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Eun Sook Kim  (Kim ES) 31 Articles
Thyroid
Clinicopathological Characteristics and Disease-Free Survival in Patients with Hürthle Cell Carcinoma: A Multicenter Cohort Study in South Korea
Meihua Jin, Eun Sook Kim, Bo Hyun Kim, Hee Kyung Kim, Yea Eun Kang, Min Ji Jeon, Tae Yong Kim, Ho-Cheol Kang, Won Bae Kim, Young Kee Shong, Mijin Kim, Won Gu Kim
Endocrinol Metab. 2021;36(5):1078-1085.   Published online October 28, 2021
DOI: https://doi.org/10.3803/EnM.2021.1151
  • 4,703 View
  • 120 Download
  • 5 Web of Science
  • 6 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Hürthle cell carcinoma (HCC), a type of thyroid carcinoma, is rare in South Korea, and few studies have investigated its prognosis.
Methods
This long-term multicenter retrospective cohort study evaluated the clinicopathological features and clinical outcomes in patients with HCC who underwent thyroid surgery between 1996 and 2009.
Results
The mean age of the 97 patients included in the study was 50.3 years, and 26.8% were male. The mean size of the primary tumor was 3.2±1.8 cm, and three (3.1%) patients had distant metastasis at initial diagnosis. Ultrasonographic findings were available for 73 patients; the number of nodules with low-, intermediate-, and high suspicion was 28 (38.4%), 27 (37.0%), and 18 (24.7%), respectively, based on the Korean-Thyroid Imaging Reporting and Data System. Preoperatively, follicular neoplasm (FN) or suspicion for FN accounted for 65.2% of the cases according to the Bethesda category, and 13% had malignancy or suspicious for malignancy. During a median follow-up of 8.5 years, eight (8.2%) patients had persistent/recurrent disease, and none died of HCC. Older age, gross extrathyroidal extension (ETE), and widely invasive types of tumors were significantly associated with distant metastasis (all P<0.01). Gross ETE (hazard ratio [HR], 27.7; 95% confidence interval [CI], 2.2 to 346.4; P=0.01) and widely invasive classification (HR, 6.5; 95% CI, 1.1 to 39.4; P=0.04) were independent risk factors for poor disease-free survival (DFS).
Conclusion
The long-term prognosis of HCC is relatively favorable in South Korea from this study, although this is not a nation-wide data, and gross ETE and widely invasive cancer are significant prognostic factors for DFS. The diagnosis of HCC by ultrasonography and cytopathology remains challenging.

Citations

Citations to this article as recorded by  
  • Molecular Alterations and Comprehensive Clinical Management of Oncocytic Thyroid Carcinoma
    Lindsay A. Bischoff, Ian Ganly, Laura Fugazzola, Erin Buczek, William C. Faquin, Bryan R. Haugen, Bryan McIver, Caitlin P. McMullen, Kate Newbold, Daniel J. Rocke, Marika D. Russell, Mabel Ryder, Peter M. Sadow, Eric Sherman, Maisie Shindo, David C. Shonk
    JAMA Otolaryngology–Head & Neck Surgery.2024; 150(3): 265.     CrossRef
  • Oncocytic carcinoma of the thyroid: Conclusions from a 20‐year patient cohort
    Nelson R. Gruszczynski, Shahzeb S. Hasan, Ana G. Brennan, Julian De La Chapa, Adithya S. Reddy, David N. Martin, Prem P. Batchala, Edward B. Stelow, Eric M. Dowling, Katherine L. Fedder, Jonathan C. Garneau, David C. Shonka
    Head & Neck.2024; 46(8): 2042.     CrossRef
  • Oncocytic cell carcinoma of the thyroid with TERT promoter mutation presenting as asphyxia in an elderly: a case report
    Xiqian Wang, Yingao Liu, Lijie Chen, Jie Zhang, Ruoyu Jiang, Lei Zhang, Han Yan, Jie Zhang
    Frontiers in Endocrinology.2024;[Epub]     CrossRef
  • Clinical Considerations of Oncocytic Thyroid Cancer: A Review
    Soo Young Kim
    Journal of Endocrine Surgery.2024; 24(3): 49.     CrossRef
  • Hurthle cell carcinoma - a rare variant of thyroid malignancy: a case report
    Yuvraj Adhikari, Anupama Marasini, Nawaraj Adhikari, Laxman Dutta Paneru, Binit Upadhaya Regmi, Manita Raut
    Annals of Medicine & Surgery.2023;[Epub]     CrossRef
  • Hürthle Cell Carcinoma: Single Center Analysis and Considerations for Surgical Management Based on the Recent Literature
    Costanza Chiapponi, Milan J.M. Hartmann, Matthias Schmidt, Michael Faust, Christiane J. Bruns, Anne M. Schultheis, Hakan Alakus
    Frontiers in Endocrinology.2022;[Epub]     CrossRef
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Clinical Study
Clinical Implication of World Health Organization Classification in Patients with Follicular Thyroid Carcinoma in South Korea: A Multicenter Cohort Study
Meihua Jin, Eun Sook Kim, Bo Hyun Kim, Hee Kyung Kim, Hyon-Seung Yi, Min Ji Jeon, Tae Yong Kim, Ho-Cheol Kang, Won Bae Kim, Young Kee Shong, Mijin Kim, Won Gu Kim
Endocrinol Metab. 2020;35(3):618-627.   Published online September 22, 2020
DOI: https://doi.org/10.3803/EnM.2020.742
  • 6,159 View
  • 127 Download
  • 9 Web of Science
  • 10 Crossref
AbstractAbstract PDFPubReader   ePub   
Background
The study aimed to compare the prognostic value of the 4th edition of World Health Organization classification (WHO-2017) with the previous WHO classification (WHO-2004) for follicular thyroid carcinoma (FTC).
Methods
This multicenter retrospective cohort study included 318 patients with FTC from five tertiary centers who underwent thyroid surgery between 1996 and 2009. We evaluated the prognosis of patients with minimally invasive (MI), encapsulated angioinvasive (EA), and widely invasive (WI) FTC according to WHO-2017. Further, we evaluated the proportion of variation explained (PVE) and Harrell’s C-index to compare the predictability of disease-free survival (DFS) and disease-specific survival (DSS).
Results
In total, 227, 58, and 33 patients had MI-, EA-, and WI-FTC, respectively. During a median follow-up of 10.6 years, 46 (14.5%) patients had disease recurrence and 20 (6.3%) patients died from FTC. The 10-year DFS rates of patients with MI-, EA-, and WI-FTC were 91.1%, 78.2%, and 54.9%, respectively (P<0.001, PVE=7.1%, C-index=0.649). The corresponding 10-year DSS rates were 95.9%, 93.5%, and 73.5%, respectively (P<0.001, PVE=2.6%, C-index=0.624). The PVE and C-index values were higher using WHO-2017 than using WHO-2004 for the prediction of DFS, but not for DSS. In multivariate analysis, older age (P=0.02), gross extrathyroidal extension (ETE) (P=0.003), and distant metastasis (P<0.001) were independent risk factors for DSS.
Conclusion
WHO-2017 improves the predictability of DFS, but not DSS, in patients with FTC. Distant metastasis, gross ETE and older age (≥55 years) were independent risk factors for DSS.

Citations

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  • Association of Ultrasonography Features of Follicular Thyroid Carcinoma With Tumor Invasiveness and Prognosis Based on WHO Classification and TERT Promoter Mutation
    Myoung Kyoung Kim, Hyunju Park, Young Lyun Oh, Jung Hee Shin, Tae Hyuk Kim, Soo Yeon Hahn
    Korean Journal of Radiology.2024; 25(1): 103.     CrossRef
  • Clinical Outcomes and Implications of Radioactive Iodine Therapy on Cancer-specific Survival in WHO Classification of FTC
    Genpeng Li, Ziyang Ye, Tao Wei, Jingqiang Zhu, Zhihui Li, Jianyong Lei
    The Journal of Clinical Endocrinology & Metabolism.2024; 109(9): 2294.     CrossRef
  • Radioiodine whole body scan pitfalls in differentiated thyroid cancer
    Cristina Basso, Alessandra Colapinto, Valentina Vicennati, Alessandra Gambineri, Carla Pelusi, Guido Di Dalmazi, Elisa Lodi Rizzini, Elena Tabacchi, Arber Golemi, Letizia Calderoni, Stefano Fanti, Uberto Pagotto, Andrea Repaci
    Endocrine.2024; 85(2): 493.     CrossRef
  • Korean Thyroid Association Guidelines on the Management of Differentiated Thyroid Cancers; Part I. Initial Management of Differentiated Thyroid Cancers - Chapter 5. Evaluation of Recurrence Risk Postoperatively and Initial Risk Stratification in Different
    Eun Kyung Lee, Young Shin Song, Ho-Cheol Kang, Sun Wook Kim, Dong Gyu Na, Shin Je Moon, Dong-Jun Lim, Kyong Yeun Jung, Yun Jae Chung, Chan Kwon Jung, Young Joo Park
    International Journal of Thyroidology.2024; 17(1): 68.     CrossRef
  • The Prognostic Impact of Extent of Vascular Invasion in Follicular Thyroid Carcinoma
    David Leong, Anthony J. Gill, John Turchini, Michael Waller, Roderick Clifton‐Bligh, Anthony Glover, Mark Sywak, Stan Sidhu
    World Journal of Surgery.2023; 47(2): 412.     CrossRef
  • TERT Promoter Mutation as a Prognostic Marker in Encapsulated Angioinvasive and Widely Invasive Follicular Thyroid Carcinomas
    Yasuhiro Ito, Takashi Akamizu
    Clinical Thyroidology.2023; 35(5): 202.     CrossRef
  • Risk factors for death of follicular thyroid carcinoma: a systematic review and meta-analysis
    Ting Zhang, Liang He, Zhihong Wang, Wenwu Dong, Wei Sun, Ping Zhang, Hao Zhang
    Endocrine.2023; 82(3): 457.     CrossRef
  • Molecular classification of follicular thyroid carcinoma based on TERT promoter mutations
    Hyunju Park, Hyeong Chan Shin, Heera Yang, Jung Heo, Chang-Seok Ki, Hye Seung Kim, Jung-Han Kim, Soo Yeon Hahn, Yun Jae Chung, Sun Wook Kim, Jae Hoon Chung, Young Lyun Oh, Tae Hyuk Kim
    Modern Pathology.2022; 35(2): 186.     CrossRef
  • Whole-genome Sequencing of Follicular Thyroid Carcinomas Reveal Recurrent Mutations in MicroRNA Processing Subunit DGCR8
    Johan O Paulsson, Nima Rafati, Sebastian DiLorenzo, Yi Chen, Felix Haglund, Jan Zedenius, C Christofer Juhlin
    The Journal of Clinical Endocrinology & Metabolism.2021; 106(11): 3265.     CrossRef
  • Clinicopathological Characteristics and Disease-Free Survival in Patients with Hürthle Cell Carcinoma: A Multicenter Cohort Study in South Korea
    Meihua Jin, Eun Sook Kim, Bo Hyun Kim, Hee Kyung Kim, Yea Eun Kang, Min Ji Jeon, Tae Yong Kim, Ho-Cheol Kang, Won Bae Kim, Young Kee Shong, Mijin Kim, Won Gu Kim
    Endocrinology and Metabolism.2021; 36(5): 1078.     CrossRef
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Clinical Study
Modification of the Tumor-Node-Metastasis Staging System for Differentiated Thyroid Carcinoma by Considering Extra-Thyroidal Extension and Lateral Cervical Lymph Node Metastasis
Mijin Kim, Won Gu Kim, Min Ji Jeon, Hee Kyung Kim, Hyon-Seung Yi, Eun Sook Kim, Bo Hyun Kim, Won Bae Kim, Young Kee Shong, Ho-Cheol Kang, Tae Yong Kim
Endocrinol Metab. 2020;35(1):149-156.   Published online March 19, 2020
DOI: https://doi.org/10.3803/EnM.2020.35.1.149
  • 5,906 View
  • 90 Download
  • 7 Web of Science
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AbstractAbstract PDFPubReader   ePub   
Background

Concerns have arisen about the classification of extra-thyroidal extension (ETE) and lateral cervical lymph node metastasis (N1b) in the 8th edition of the tumor-node-metastasis staging system (TNM-8). This study evaluated the prognostic validity of a modified-TNM staging system, focusing on ETE and N1b, in differentiated thyroid carcinoma (DTC) patients.

Methods

This multicenter retrospective cohort study included 4,878 DTC patients from five tertiary hospitals. In the modified-TNM, T3b in TNM-8 was down-staged to T2, and stage II was subdivided into stages IIA and IIB. Older patients with N1b were reclassified as stage IIB.

Results

The modified-TNM resulted in staging migration in 540 patients (11%) classified as stage II according to the TNM-8, with 75 (14%), 381 (71%), and 84 patients (16%) classified as stages I, IIA, and IIB, respectively. The 10-year disease-specific survival (DSS) rates in patients classified as stages I, II, III, and IV by TNM-8 were 99.8%, 95.9%, 81.0%, and 41.6%, respectively. The DSS rates of patients classified as stages I, IIA, IIB, III, and IV according to the modified-TNM were 99.8%, 96.4%, 93.3%, 81.0%, and 41.6%, respectively. DSS curves between stages on TNM-8 (P<0.001) and modified-TNM (P<0.001) differed significantly, but the modified-TNM discriminated better than TNM-8. The proportions of variation explained values of TNM-8 and modified-TNM were 6.3% and 6.5%, respectively.

Conclusion

Modification of the TNM staging system focusing on ETE and N1b could improve the prediction of DSS in patients with DTC. Further researches are needed to validate the prognostic accuracy of this modified-TNM staging system.

Citations

Citations to this article as recorded by  
  • Clinicopathological features of differentiated thyroid carcinoma as predictors of the effects of radioactive iodine therapy
    Wen Liu, Beibei Jiang, Jingli Xue, Ruijing Liu, Yuqing Wei, Peifeng Li
    Annals of Diagnostic Pathology.2024; 69: 152243.     CrossRef
  • Prognostic significance of T3b in papillary thyroid carcinoma: Appropriateness of classifying T3bN0M0 in patients aged 55 years or older into stage II
    Yasuhiro Ito, Akira Miyauchi, Makoto Kawakami, Minoru Kihara, Akihiro Miya
    World Journal of Surgery.2024; 48(9): 2132.     CrossRef
  • Thyroid Collision Tumors: The Presence of the Medullary Thyroid Carcinoma Component Negatively Influences the Prognosis
    Ion Negura, Victor Ianole, Mihai Danciu, Cristina Preda, Diana Gabriela Iosep, Radu Dănilă, Alexandru Grigorovici, Delia Gabriela Ciobanu Apostol
    Diagnostics.2023; 13(2): 285.     CrossRef
  • Serum thyroglobulin testing after thyroid lobectomy in patients with 1–4 cm papillary thyroid carcinoma
    Ahreum Jang, Meihua Jin, Chae A Kim, Min Ji Jeon, Yu-Mi Lee, Tae-Yon Sung, Tae Yong Kim, Won Bae Kim, Young Kee Shong, Won Gu Kim
    Endocrine.2023; 81(2): 290.     CrossRef
  • Prognostic Impact of Microscopic Extra-Thyroidal Extension (mETE) on Disease Free Survival in Patients with Papillary Thyroid Carcinoma (PTC)
    Nadia Bouzehouane, Pascal Roy, Myriam Decaussin-Petrucci, Mireille Bertholon-Grégoire, Chantal Bully, Agnès Perrin, Helene Lasolle, Jean-Christophe Lifante, Françoise Borson-Chazot, Claire Bournaud
    Cancers.2022; 14(11): 2591.     CrossRef
  • Impacts of the American Joint Committee on Cancer (AJCC) 8th edition tumor, node, metastasis (TNM) staging system on outcomes of differentiated thyroid cancer in Thai patients
    Yotsapon Thewjitcharoen, Waralee Chatchomchuan, Krittadhee Karndumri, Sriurai Porramatikul, Sirinate Krittiyawong, Ekgaluck Wanothayaroj, Siriwan Butadej, Soontaree Nakasatien, Veekij Veerasomboonsin, Auchai Kanchanapituk, Rajata Rajatanavin, Thep Himatho
    Heliyon.2021; 7(3): e06624.     CrossRef
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Endocrine Research
Functional Identification of Compound Heterozygous Mutations in the CYP17A1 Gene Resulting in Combined 17α-Hydroxylase/17,20-Lyase Deficiency
Eun Yeong Mo, Ji-young Lee, Su Yeon Kim, Min Ji Kim, Eun Sook Kim, Seungok Lee, Je Ho Han, Sung-dae Moon
Endocrinol Metab. 2018;33(3):413-422.   Published online September 18, 2018
DOI: https://doi.org/10.3803/EnM.2018.33.3.413
  • 4,371 View
  • 65 Download
  • 2 Web of Science
  • 2 Crossref
AbstractAbstract PDFPubReader   ePub   
Background

We previously reported a patient with congenital adrenal hyperplasia (CAH) with compound heterozygous mutations in the cytochrome P450 17A1 (CYP17A1) gene. One allele had a p.His373Leu and the other a new p.Glu383fsX36 mutation. The aim of this study was to investigate the functional properties of a new allele present in a compound heterozygote of CYP17A1.

Methods

To understand how p.His373Leu and p.Glu383fsX36 affect P450c17 enzymatic activity, wild type and mutant CYP17A1 cDNAs were cloned into flag-tagged pcDNA3 vector and introduced into human embryonic kidney cells 293T (HEK293T) cells. Protein expression levels of CYP17A1 were then analyzed. And the activities of 17α-hydroxylase and 17,20-lyase of CYP17A1 were evaluated by measuring the conversion of progesterone to 17α-hydroxyprogesterone and of 17α-hydroxypregnenolone to dehydroepiandrosterone, respectively. In addition a computer model was used to create the three-dimensional structure of the mutant CYP17A1 enzymes.

Results

Production of the p.His373Leu mutant protein was significantly lower than that of the wild type protein, and the p.Glu383fsX36 protein was hardly produced. Similarly the enzymatic activity derived from the p.His373Leu mutant vector was significantly lower than that obtained from the wild type vector, and little activity was obtained from the p.Glu383fsX36 vector. Three-dimensional modeling of the enzyme showed that p.His373 was located in region important for heme-binding and proper folding. Neither the p.His373Leu nor the p.Glu383fsX36 mutant protein formed a heme-binding structure.

Conclusion

Enzyme activity measured in both mutants disappeared completely in both 17α-hydroxylase and 17,20-lyase. This result accounts for the clinical manifestations of the patient with the compound heterozygous CYP17A1 mutations.

Citations

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  • A rare case of 17α-hydroxylase/17, 20-lyase deficiency: Clinical and genetic findings and follow-up outcomes
    Li-Zhen Dai, Hong Ma, Jian-Fang Ke, Chen-Shi Lin, Yanling Huang, Yuan Tian, Danling Chen
    Women's Health.2022; 18: 174550572211225.     CrossRef
  • Novel mutations of the CYP17A1 gene in four Chinese 46,XX cases with partial 17a-hydroxylase/17,20-lyase deficiency
    Yanjie Xia, Panlai Shi, Junke Xia, Huijuan Zhang, Lijun Xu, Xiangdong Kong
    Steroids.2021; 173: 108873.     CrossRef
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Thyroid
Combined Effects of Baicalein and Docetaxel on Apoptosis in 8505c Anaplastic Thyroid Cancer Cells via Downregulation of the ERK and Akt/mTOR Pathways
Chan Ho Park, Se Eun Han, Il Seong Nam-Goong, Young Il Kim, Eun Sook Kim
Endocrinol Metab. 2018;33(1):121-132.   Published online March 21, 2018
DOI: https://doi.org/10.3803/EnM.2018.33.1.121
  • 5,701 View
  • 65 Download
  • 42 Web of Science
  • 36 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background

Anaplastic thyroid cancer (ATC) is one of the most lethal human malignancies. Docetaxel, a microtubule stabilizer, is a common chemotherapeutic agent used to treat various metastatic cancers. However, prolonged use results in various side effects and drug resistance. Flavonoids, such as baicalein, are accepted chemotherapeutic and dietary chemopreventive agents with many advantages, such as greater accessibility, affordability, and lower toxicity, compared with traditional chemotherapy agents. In this study, we evaluated whether baicalein enhances the effects of docetaxel on apoptosis and metastasis in 8505c ATC cells.

Methods

The 8505c cells were treated with baicalein or docetaxel individually and in combination. Cell viability was measured by MTT (thiazolyl blue tetrazolium bromide) assay, and apoptosis was detected by fluorescence microscopy of Hoechst-stained cells. The expression of apoptotic (Bax and caspase-3), anti-apoptotic (Bcl-2), angiogenic (vascular endothelial growth factor [VEGF], transforming growth factor β [TGF-β], E-cadherin, and N-cadherin), and signaling (extracellular signal-regulated kinase [ERK] mitogen activated protein kinase [MAPK], Akt, and mammalian target of rapamycin [mTOR]) proteins was determined by Western blot analysis.

Results

The combination of baicalein (50 or 100 µM) and docetaxel (10 nM) significantly inhibited proliferation and induced apoptosis compared with monotherapies. The combination treatment significantly inhibited the expression of Bax, caspase-3, VEGF, TGF-β1, E-cadherin, N-cadherin, and mTOR, but decreased the expression of Bcl-2 and significantly decreased the phosphorylation of ERK and Akt.

Conclusion

The combination of baicalein and docetaxel effectively induced apoptosis and inhibited metastasis in 8505c cells through downregulation of apoptotic and angiogenic protein expression and blocking of the ERK and Akt/mTOR pathways in 8505c cells. These results suggest that baicalein enhances the anticancer effects of docetaxel in ATC.

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    Jiaojiao Hu, Runkun Wang, Yi Liu, Jianbo Zhou, Ka Shen, Yun Dai
    OncoTargets and Therapy.2021; Volume 14: 905.     CrossRef
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    Stefania Bulotta, Francesca Capriglione, Marilena Celano, Valeria Pecce, Diego Russo, Valentina Maggisano
    Endocrine.2021; 73(1): 8.     CrossRef
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    Jeehoon Ham, Bin Wang, Joseph William Po, Amandeep Singh, Navin Niles, Cheok Soon Lee
    Journal of Clinical Pathology.2021; 74(12): 759.     CrossRef
  • Clinical Study of Virtual Reality Augmented Technology Combined with Contrast-Enhanced Ultrasound in the Assessment of Thyroid Cancer
    Qinghua Liu, Jian Cheng, Jingjing Li, Lei Liu, Hongbo Li, Zhihan Lv
    Journal of Healthcare Engineering.2021; 2021: 1.     CrossRef
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    Elika Verma, Aviral Kumar, Uzini Devi Daimary, Dey Parama, Sosmitha Girisa, Gautam Sethi, Ajaikumar B. Kunnumakkara
    Journal of Functional Foods.2021; 86: 104660.     CrossRef
  • E-cadherin on epithelial–mesenchymal transition in thyroid cancer
    Xiaoyu Zhu, Xiaoping Wang, Yifei Gong, Junlin Deng
    Cancer Cell International.2021;[Epub]     CrossRef
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    Gheysen Laetitia, Saussez Sven, Journe Fabrice
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    Daniela Gentile, Paola Orlandi, Marta Banchi, Guido Bocci
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Close layer
Clinical Study
Disease-Specific Mortality of Differentiated Thyroid Cancer Patients in Korea: A Multicenter Cohort Study
Min Ji Jeon, Won Gu Kim, Tae Hyuk Kim, Hee Kyung Kim, Bo Hyun Kim, Hyon-Seung Yi, Eun Sook Kim, Hosu Kim, Young Nam Kim, Eun Heui Kim, Tae Yong Kim, Sun Wook Kim, Ho-Cheol Kang, Jae Hoon Chung, Young Kee Shong, Won Bae Kim
Endocrinol Metab. 2017;32(4):434-441.   Published online November 22, 2017
DOI: https://doi.org/10.3803/EnM.2017.32.4.434
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AbstractAbstract PDFSupplementary MaterialPubReader   
Background

Little is known regarding disease-specific mortality of differentiated thyroid cancer (DTC) patients and its risk factors in Korea.

Methods

We retrospectively reviewed a large multi-center cohort of thyroid cancer from six Korean hospitals and included 8,058 DTC patients who underwent initial surgery between 1996 and 2005.

Results

Mean age of patients at diagnosis was 46.2±12.3 years; 87% were females. Most patients had papillary thyroid cancer (PTC; 97%) and underwent total thyroidectomy (85%). Mean size of the primary tumor was 1.6±1.0 cm. Approximately 40% of patients had cervical lymph node (LN) metastases and 1.3% had synchronous distant metastases. During 11.3 years of follow-up, 150 disease-specific mortalities (1.9%) occurred; the 10-year disease-specific survival (DSS) rate was 98%. According to the year of diagnosis, the number of disease-specific mortality was not different. However, the rate of disease-specific mortality decreased during the study period (from 7.7% to 0.7%). Older age (≥45 years) at diagnosis, male, follicular thyroid cancer (FTC) versus PTC, larger tumor size (>2 cm), presence of extrathyroidal extension (ETE), lateral cervical LN metastasis, distant metastasis and tumor node metastasis (TNM) stage were independent risk factors of disease-specific mortality of DTC patients.

Conclusion

The rate of disease-specific mortality of Korean DTC patients was 1.9%; the 10-year DSS rate was 98% during 1996 to 2005. Older age at diagnosis, male, FTC, larger tumor size, presence of ETE, lateral cervical LN metastasis, distant metastasis, and TNM stages were significant risk factors of disease-specific mortality of Korean DTC patients.

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Thyroid
Curcumin Enhances Docetaxel-Induced Apoptosis of 8505C Anaplastic Thyroid Carcinoma Cells
Jung Min Hong, Chan Sung Park, Il Seong Nam-Goong, Yon Seon Kim, Jong Cheol Lee, Myung Weol Han, Jung Il Choi, Young Il Kim, Eun Sook Kim
Endocrinol Metab. 2014;29(1):54-61.   Published online March 14, 2014
DOI: https://doi.org/10.3803/EnM.2014.29.1.54
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AbstractAbstract PDFPubReader   
Background

Anaplastic thyroid cancer (ATC) is one of the most aggressive malignancies in humans, and its progression is poorly controlled by existing therapeutic methods. Curcumin has been shown to suppress inflammation and angiogenesis. In this study, we evaluated whether curcumin could augment docetaxel-induced apoptosis of ATC cells. We also analyzed changes in nuclear factor κB (NF-κB) and cyclooxygenase-2 (COX-2) expression levels to delineate possible mechanisms of their combined action.

Methods

ATC cells were cultured and treated with curcumin and docetaxel alone or in combination. The effects on cell viability were determined by MTS assay. Apoptosis was assessed by annexin V staining and confirmed by flow cytometric analysis. Caspase, COX-2, NF-κB levels were assayed by Western blotting.

Results

Curcumin combined with docetaxel led to lower cell viability than treatment with docetaxel or curcumin alone. Annexin V staining followed by flow cytometric analysis demonstrated that curcumin treatment enhanced the docetaxel-induced apoptosis of ATC cells. Additionally, curcumin inhibited docetaxel-induced p65 activation and COX-2 expression.

Conclusion

We conclude that curcumin may enhance docetaxel's antitumor activity in ATC cells by interfering with NF-κB and COX-2. Our results suggest that curcumin may emerge as an attractive therapeutic candidate to enhance the antitumor activity of taxanes in ATC treatment.

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Close layer
Targeted Therapies in Thyroid Cancer.
Eun Sook Kim
Endocrinol Metab. 2010;25(2):94-97.   Published online June 1, 2010
DOI: https://doi.org/10.3803/EnM.2010.25.2.94
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AbstractAbstract PDF
No abstract available.

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    Kyung-Rae Hyun, Sungwook Kang, Sunmi Lee
    Endocrinology and Metabolism.2014; 29(3): 257.     CrossRef
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Central Diabetes Insipidus Surmised as from Post-obstructive Diuresis after Decompression Treatment for Neurogenic Bladder.
Kang Woo Lee, Chul Woo Yang, Dong Jun Lim, Hyuk Sang Kwon, Mi Ja Kang, Eun Sook Kim, Kun Ho Yoon, Ho Young Son, Bong Yun Cha
J Korean Endocr Soc. 2009;24(2):144-147.   Published online June 1, 2009
DOI: https://doi.org/10.3803/jkes.2009.24.2.144
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AbstractAbstract PDF
Post-obstructive diuresis after treatment for neurogenic bladder-induced obstructive kidney disease is a common symptom. As polyuria may develop in many other conditions as well, the present case is about a patient with a chief complaint of polyuria accompanied by nocturia, that was initially diagnosed as hydronephrosis due to the presence of neurogenic bladder and bladder dysfunction. The result of the water deprivation test, which was conducted for persistent diluted polyuria, yielded a final diagnosis of central diabetes insipidus, notwithstanding the strong impression of post-obstructive diuresis initially made because of a sudden increase in urine output after an indwelling catheter was inserted for bladder decompression.

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  • A Case of Septo-Optic Dysplasia Resulting in Central Diabetes Insipidus and Nonobstructive Bilateral Hydronephrosis
    Jong Hyun Kim, Kwang Bok Lee, Jeonghun Lee, Soo Min Nam, Kang-Woo Lee, Eu Gene Hwang, Geon Gil
    Korean Journal of Medicine.2014; 87(2): 209.     CrossRef
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Retraction: Completion Thyroidectomy in Patient with Differentiated Thyroid Cancer Who Initially Underwent Ipsilateral Operation.
Eun Sook Kim, Jung Min Koh, Won Bae Kim, Suck Joon Hong, Young Kee Shong
J Korean Endocr Soc. 2007;22(6):480.   Published online December 1, 2007
DOI: https://doi.org/10.3803/jkes.2007.22.6.480
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A Case of Parathyroid Carcinoma Underwent Radiation Therapy on the Metastatic Bone Lesions.
Jun Ho Lee, Young Min Kim, Dae Seong Hwang, Young Tae Hwang, Jun Bum Eum, Jung Min Seo, Dae Hwa Choi, Byeong Seong Kang, Young Ju Noh, Il Seong Nam-Goong, Young Il Kim, Eun Sook Kim
J Korean Endocr Soc. 2007;22(5):344-352.   Published online October 1, 2007
DOI: https://doi.org/10.3803/jkes.2007.22.5.344
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AbstractAbstract PDF
Parathyroid carcinoma is a rare malignancy that is responsible for only 0.5 to 4% of all cases of primary hyperparathyroidism. Surgery is the only curative treatment. We report a case of a 46-year-old woman referred for a severe osteoporosis with frequent bone fracture associated with hypercalcemia. Initially, though she had multiple osteolytic lesions, we thought that the lesions were brown tumors resulting from hyperparathyroidism. The patient underwent surgery and was diagnosed with parathyroid carcinoma. After surgery, her intact PTH level normalized for brief period of time, but it was again elevated at 6 weeks after surgery. We suggest that the multiple osteolytic lesions were metastases because there was no evidence of local recurrence of parathyroid carcinoma, and the lesions looked like metastases on CT and PET-CT. The patient was treated with radiation therapy on the lumbar vertebra, one a site of the metastatic lesions. After radiotherapy, her serum intact PTH was decreased.

Citations

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  • Successful Localization of Distant Metastasis in Parathyroid Carcinoma Using Intraoperative Parathyroid Hormone Assay
    Ho Cheol Hong, Sun Won Kim, Tae Hyung Kim, In Hye Cha, Jae Hee Ahn, Hye Jin Yoo, Hee Young Kim, Ji A Seo, Hyun Koo Kim, Sin Gon Kim, Nan Hee Kim, Kyung Mook Choi, Jae Bok Lee, Sei Hyun Baik, Dong Seop Choi
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    Sang Gyu Choi
    The Journal of the Korean Society for Therapeutic Radiology and Oncology.2010; 28(2): 111.     CrossRef
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Suppression of Pathogenic Autoreactive CD4+ T Cells by CD137-mediated Expansion of CD4+CD25+ Regulatory T Cells in Graves' Disease.
Eun Sook Kim, Hyo Won Jung, Jung Il Choi, Il Seung Nam-Goong, Soon Hyung Hong, Young Il Kim
J Korean Endocr Soc. 2007;22(5):332-338.   Published online October 1, 2007
DOI: https://doi.org/10.3803/jkes.2007.22.5.332
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AbstractAbstract PDF
BACKGROUND
Graves' disease (GD) is an organ-specific autoimmune disease that is characterized by lymphocyte infiltration of the thyroid, which finally leads to follicular destruction. The CD4+CD25+ regulatory T cells are important for maintaining peripheral tolerance to self-antigens and impaired activity can cause autoimmune diseases. CD137 (4-1BB), a member of the tumor necrosis factor receptor superfamily and expressed on activated T cells, is a candidate molecule for a co-stimulatory role in autoimmune thyroid disease. In this study, we aimed to assay the frequency of CD4+CD25+ T cells in GD patients and to investigate the role of CD137-mediated costimulation in CD4+CD25+ T cells. METHODS: The frequencies of the CD4+CD25+ T cells in the peripheral blood (PB) of GD patients were determined by flow cytometric analysis. After the CD4+CD25+ T cells were isolated from PB mononuclear cells (PBMC) of the GD patients using immunomagnetic beads, the functional activity of the CD4+CD25+ T cells was characterized by use of a proliferation assay. mRNA expression of Foxp 3 in the CD4+CD25+ T cells of the GD patients was observed by real-time RT-PCR. RESULTS: In this study, we found that GD patients had a low proportion of CD4+CD25+ T cells (mean +/- SD; 1.47 +/- 0.31%) in PBMC as compared with normal subjects. CD137-mediated costimulation increased the expression of CD25 and Foxp 3 in CD4+ T cells in GD patients as compared with normal subjects. Moreover, the CD137-mediated costimulation also induced the proliferation of CD4+CD25+ T cells in GD patients, and the expanded CD4+CD25+ T cells could suppress other CD4+CD25- T cells in a co-culture. CONCLUSION: These results suggest that the peripheral expansion of CD4+CD25+ T cells by CD137-mediated co-stimulation can suppress effector T cells and may be a potent therapy for Graves' disease.

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  • Effects of Gastrodia elata Blume on Apoptotic Cell Death of Liver Cancer Cells by Expression of Bcl-2, Bax, and AMPKα
    Jae Hyun Park, Min Ho Kang, Ji Woo Hong, So Hee Kim, Yoon Seon Hwang, Jae Hoon Park, Jin Woo Kim
    Korean Journal of Medicinal Crop Science.2022; 30(5): 311.     CrossRef
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A Case of Antineutrophil Cytoplasmic Antibody (ANCA) Positive, Propylthiouracil-Induced Diffuse Alveolar Hemorrhage in Graves' Disease.
Der Sheng Sun, Dong Kyu Kim, Hyo Jin Lee, Hee Yun Lee, Dae Jun Kim, Eun Sook Kim, Jae Hyoung Cho, Seung Hyun Ko, Wan Ook Kim, Chi Hong Kim, Ki Ho Song, Yu Bae Ahn
J Korean Endocr Soc. 2007;22(3):215-219.   Published online June 1, 2007
DOI: https://doi.org/10.3803/jkes.2007.22.3.215
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AbstractAbstract PDF
Graves' disease is one of the common autoimmune diseases, and it has been controlled by such antithyroid drugs as propylthiouracil (PTU) or methimazole. There are a number of side effects, including agranulocytosis, skin rash, hepatotoxicity, fever, arthralgia and a lupus-like syndrome during treatment. PTU has been recently observed to be associated with the development of antineutrophil cytoplasmic antibody (ANCA) positive vasculitis, and this can cause diffuse alveolar hemorrhage. A 32-year-old woman with Graves' disease had been treated with PTU for 4 years, and she had experienced intermittent hemoptysis for 2 weeks before she visited the hospital. Both myeloperoxidase and proteinase 3 ANCA were positive without other organ systems being involved. She was diagnosed with PTU-induced vasculitis. Cessation of PTU and administration of corticosteroids improved the clinical manifestations.

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  • A Case of Diffuse Alveolar Hemorrhage with Glomerulonephritis after Propylthiouracil Treatment
    Ji Hyun Lee, Min Su Kim, Jae Gon Lee, Dae Sik Kim, Hae Jin Yang, Kyung Woo Kang
    Tuberculosis and Respiratory Diseases.2012; 72(1): 93.     CrossRef
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Expression of 4-1BB and 4-1BBL in Graves'Disease.
Eun Sook Kim, Hyo Won Jung, Il Sung Nam-Goong, Soon Joo Woo, Jung Il Choi, Young Il Kim
J Korean Endocr Soc. 2006;21(2):116-124.   Published online April 1, 2006
DOI: https://doi.org/10.3803/jkes.2006.21.2.116
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  • 1 Crossref
AbstractAbstract PDF
BACKGROUND
4-1BB mediated costimulatory signal is a recently identified immunotherapeutic strategy for treating autoimmune diseases without depressing the immune response. In this study, we investigated the expression of 4-1BB and 4-1BBL on the peripheral blood mononuclear cells (PBMC) and we assessed whether the serum levels of soluble (s) 4-1BB and s4-1BBL in the patients with Graves' disease (GD) and compared them with normal subjects. METHODS: Expression of 4-1BB and 4-1BBL on PBMC of GD patients was determined by flow cytometry. The concentrations of s4-1BB and s4-1BBL were assessed in the sera of GD patients by performing ELISA. RESULTS: 4-1BB was constitutively expressed on naive CD4+ and CD8+ T cells of the GD patients and this was increased by stimulation. 4-1BBL was also expressed on the antigen-presenting cells such as CD19+ B cells, monocytes and dendritic cells in GD patients. The serum levels of s4-1BB and s4-1BBL were significantly higher in GD patients than those in controls, and these levels were significantly correlated with the serum levels of thyroid-binding inhibitory immunoglobulin and free T4. CONCLUSION: These results indicate that effector T cells of GD patients can be activated through the 4-1BB-mediated costimulatory signal. Elevated s4-1BB and s4-1BBL levels in the sera of GD patients may affect modulation of the clinical course in GD patients.

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  • Suppression of Pathogenic Autoreactive CD4+ T Cells by CD137-mediated Expansion of CD4+CD25+ Regulatory T Cells in Graves' Disease
    Eun Sook Kim, Hyo Won Jung, Jung Il Choi, Il Seung Nam-Goong, Soon Hyung Hong, Young IL Kim
    Journal of Korean Endocrine Society.2007; 22(5): 332.     CrossRef
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Regulation of Prolactin Gene Expression by Hypothalamic Pituitary Adenylate Cyclase-Activating Polypeptide (PACAP) in the Female Rat Pituitary Gland.
Young Il Kim, Tae Young Ha, Eun Sook Kim, Il Seong Nam-Goong, M S O'Dorisio, Min Kyu Hur, Sang Kyu Park
J Korean Endocr Soc. 2004;19(2):152-164.   Published online April 1, 2004
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BACKGROUND
Pituitary adenylate cyclase-activating polypeptide (PACAP) plays the role of a hypophysiotropic factor, which regulates the synthesis and secretion of pituitary hormones through the hypothalamo-hypophysial portal system. No clear evidence has yet been reported regarding the regulation of prolactin (PRL) by PACAP. In the present study, we tested a hypothesis that PACAP regulates the synthetic machinery of PRL during the estrus cycle and pubertal process using intracerebroventricular (i.c.v.) injection of an antisense oligodeoxynucleotide (ODN) against type I PACAP receptor (PAC1). METHODS: An RNase protection assay (RPA) was used to determine the pattern of hypothalamic PACAP and PAC1 mRNA expressions during the estrus cycle. Antisense PAC1 ODN was administered via i.c.v. injection to the female rats in normal estrus cycle of pubertal process. Northern blot analysis was used to determine the mRNA ievel of PRL in the pituitary gland. RESULTS: 1) PACAP mRNA in the medial basal hypothalamus was significantly increased at the diestrus I, while PAC1 mRNA showed no significant change. 2) PRL mRNA level of pituitary was increased by an injection of antisense PAC1 ODN at the proestrus and estrus stages. 3) PRL mRNA level of pituitary was significantly decreased by antisense PAC1 ODN injection at stage of prepuberty and initiate puberty, while its level was increased at stage of puberty. CONCLUSION: These data suggest that PACAP suppresses PRL mRNA synthesis through the PAC1 signaling pathway in the certain estrus cycle environments. It may be also involved in the regulation of pituitary PRL gene expression during the pubertal process
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Effects of USF-1, USF-2, PTEN and Thyroid Transcription Factors on the Function and Growth in FRTL-5 Cells.
Yun Jae Chung, eun Sook Kim, Yong Ki Min, Myung Shik Lee, Moon Kyu Lee, Kwang Won Kim, Jae Hoon Chung
J Korean Endocr Soc. 2004;19(2):127-140.   Published online April 1, 2004
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BACKGROUND
Upstream stimulatory factors (USFs) and PTEN are known to be tumor suppressants. USFs and PAX-8 were reported to be the functional competitors in sodium iodide symporter (NIS) gene expression. We investigated the effects of USF-1, USF-2, PTEN, and thyroid-specific transcription factors (TTF-1, PAX-8) on the function and growth of thyrocytes of FRTL 5 rat thyroid cells. METHODS: Complementary DNAs of the USF-1, USF-2, PTEN, TTF-1 (homeodomain), and PAX-8 were synthesized from RNA extracted from FRTL-5using an RT-PCR kit. Each of them was transiently transfected to the FRTL-5 cells using the lipofectamine after being cloned into the pcDNA3.1 vectors. Stable cell lines, which were transfected by USF-1, PTEN, TTF-1, and PAX-8, were also obtained from the FRTL-5 cells, respectively. Extracellular cAMP concentrations were measured after 24 hours of incubation with varying concentrations of bTSH (0.1~100 mIU/mL). After, [Methyl-3H] thymidine uptake or 5-bromo-2'-deoxyuridine (BrdU) assay was performed. RESULTS: USF-1 and USF-2 significantly increased cAMP levels and decreased thymidine uptake in both transiently and stably transfected cells (p<0.01). PTEN had a tendency to increase both the cAMP levels and BrdU uptake in stable cells, but had a tendency to decrease thymidine uptake in transiently transfected cells. TTF-1 significantly increased the cAMP levels and either thymidine or BrdU uptake in both transiently and stably transfected cells (p<0.05). PAX-8 significantly increased both the cAMP levels and BrdU assay in stable cells, but in transiently transfected cells, it significantly decreased cAMP concentrations (p<0.01). CONCLUSIONS: These results suggested that both the USF-1 and USF-2 play a role in suppressing the growth of thyrocytes but at the same time, they kept the ability to produce cAMP after TSH stimulation. They had opposing effects on TTF-1 and PAX-8 in terms of the proliferation of thyrocytes
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Completion Thyroidectomy in Patient with Differentiated Thyroid Cancer Who Initially Underwent Ipsilateral Operation.
Eun Sook Kim, Jung Min Koh, Won Bae Kim, Suck Joon Hong, Young Kee Shong
J Korean Endocr Soc. 2002;17(5):657-663.   Published online October 1, 2002
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BACKGROUND
In some instances, thyroid cancer may be diagnosed only after resection of a putative or suspected benign nodule. In these cases a complete thyroidectomy is usually recommended to prevent recurrence. We analyzed the frequency of malignancy in the contralateral lobe after a complete thyroidectomy, and assessed the factors that may predict the presence of a malignancy, which might necessitate a complete thyroidectomy. METHODS: Between 1995 and 2001, 65 patients, who initially underwent a lobectomy and isthmectomy, but were finally diagnosed with differentiated thyroid carcinoma, underwent complete thyroidectomies. Their mean age was 39.8 +/- 12.4 years, ranging, 14 to 71 years. After initial surgery, 45 proved to have follicular carcinomas, 18 papillary carcinomas, 1 medullary and 1 insular carcinoma. The mean tumor size was 4.0 +/- 1.8 cm, ranging from 0.3 to 8.5 cm. After a complete thyroidectomy, the presence of a tumor the at contralateral lobe was assessed according to clinical parameters and the pathological findings in the ipsilateral lobe. RESULTS: The first surgeries revealed tumor multifocality in 27 cases, perithyroidal tumor extension in 4 and lymph node metastasis in 1. On completion of the thyroidectomy, 22 of the 65 patients had a malignancy in the contralateral lobe. Age, sex, size or the pathological primary tumor type, were not associated with the presence of additional tumors at the contralateral lobe. Tumor multifocality at the first surgery was the only significant variable to predict the presence of a tumor in the contralateral lobe. CONCLUSION: When thyroid cancer is diagnosed after ipsilateral surgery, the only predictive factor for the presence of a contralateral tumor was multifocality. We believe that a complete thyroidectomy is mandatory in these cases.
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Association Between Peak Bone Mass and Genetic Polymorphisms of the Vitamin D Receptor, Estrogen Receptor, and Type I Collagen 1 Genes in Healthy Young Korean Women.
Hong Kyu Kim, Sang Wook Kim, Eun Sook Kim, Ghi Su Kim
J Korean Endocr Soc. 2001;16(1):97-114.   Published online February 1, 2001
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BACKGROUND
Genetic suggest that strongest effect is observed in the premenopausal peak bone mass, which become less with age. However, the evaluation of candidate genes polymorphisms has been most frequently done in postmenopausal women and the results have been controversial. Therefore, we studied the possible association of the peak bone mass and candidate for osteoporosis genes polymorphism in premenopausal women. METHODS: The associations between BMD and polymorphisms of the vitamin D receptor (3'-end region by BsmI restriction enzyme and start codon by FokI restriction enzyme), estrogen receptor (by PvuII and XbaI restriction enzyme), and type I collagen 1 (Sp1 binding site by MscI and BalI restriction enzyme) genes were examined in 100 healthy young Korean women who had a peak bone mass (age 20-35 years). Bone mineral densities were measured by dual energy X-ray absorptiometry (DEXA). Dietary calcium intake was also measured using a food frequency questionnaire. RESULTS: The frequencies of the B allele of the vitamin D receptor gene BsmI polymorphism and the X allele in the estrogen receptor gene, XbaI polymorphisms were lower in Koreans than those in Caucasians. The allelic frequencies of the vitamin vitamin D receptor gene FokI polymorphism and the estrogen receptor gene PvuII polymorphism were similar to those of Caucasians. No significant association was found between BMD and the vitamin D receptor genotype according to BsmI or FokI polymorphisms. There was also no significant relation between the PvuII or XbaI polymorphisms of the estrogen receptor gene and BMD. The associations between BMD and cross-genotypes combining the vitamin D receptor gene (BsmI and FokI) and estrogen receptor gene (PvuII and XbaI) polymorphisms were also analyzed. Among the subjects who lacked the Bf haplotype of the vitamin D receptor gene, the BMD of the femoral neck area was significantly higher in subjects lacking Px haplotypes of the estrogen receptor gene than in those having Px haplotype (p < 0.05). When dietary calcium intake was taken into consideration, there were significant differences in BMD according to the cross-genotype in the group having a low calcium intake (< 500 mg/day). The subjects that lacked the Bf and Px haplotypes had a significantly higher BMD in the femoral neck (p < 0.01), Ward's triangle (p < 0.05), and in the trochanteric area (p < 0.05) than those who lacked Bf but a Px haplotype. We did not find a polymorphism in the Sp1 binding site of the type I collagen 1 gene in our subjects. CONCLUSION: These data suggest that a complex interaction of vitamin D and the estrogen receptor gene with the dietary calcium intake, rather than a polymorphism of a single gene, may influence peak bone mass in healthy young Korean women.
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A Comparison Technetium-99m and Iodine-123 Scan in Thyroid Hot Nodules.
Eun Sook Kim, Seok Jun Hong, Young Ki Song, Jin Sook Ryu, Dae Hyuk Moon, Ki Soo Kim
J Korean Endocr Soc. 1999;14(2):339-345.   Published online January 1, 2001
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AbstractAbstract PDF
BACKGROUND
Pertechnetate ( Tc) has been widely employed for thyroid imaging. While pertechnetate and radioiodide have usually similar results in identifying thyroid nodules, occasionally differences have been noted. We intended to observe that the thyroid nodules which appeared to be hot on pertechnetate and to compare them with the images by radioiodide. METHODS: 'I scan was performed to thirty-eight cases (mean age: 48.9 +/- 13.2) presenting as hot nodule on Tc scan. Thyroid function test and pathologic diagnosis were obtained in all patients. RESULTS: Of the 38 patients, 24 had euthyroidism, 13 had hyperthyroidism, and 1 had hypothyroidism. Thirty patients had adenomatous goiter, 4 papillary carcinoma, 3 Hashimotos thyroiditis, and 1 had HQrthle cell tumor. 28 of 38 patients showed similar images, but the remaining 10 patients(26.3%) revealed discordant images on Tc and 131I scan. Among the concordant cases, 23 had adenomatous goiter, 3 had papillary carcinoma, and 2 had Hashimotos thyroiditis. Among the discordant cases, 7 had adenomatous goiter, 1 had papillary carcinoma, 1 had Hashimotos thyroiditis, and 1 had HQrthle cell tumor. The incidence of malignancy was 10.7% of concordant cases, and 20% of discordant cases and was revealed statistically insignificant (p>0.05). CONCLUSION: We observed higher incidence of malignancy in patients presenting hot nodules on 99mTc scan than ever reported. Fine needle aspiration should be performed to all patients with hot nodules and the 'I scan would not be recommended for further diagnostic study.
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Effect of Radioactive Iodine Therapy in Patients with Scan-Negative, Thyroglobulin-Positive Thyroid Cancer.
Eun Sook Kim, Seok Jun Hong, Jin Yub Kim, Young Ki Song, Jin Sook Ryu, Dae Hyuk Moon, Ki Soo Kim, Sang Wook Kim
J Korean Endocr Soc. 1999;14(2):330-338.   Published online January 1, 2001
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AbstractAbstract PDF
BACKGROUND
After total thyroidectomy the presence of detectable serum thyroglobulin(Tg) concentration is an index of residual or metastatic thyroid tissue and is usually well correlated with positive I whole body scan. However, it is not rare to find a patient with detectable serum Tg levels but without any uptake on I whole-body scan. At present it is not certain how to manage such patients. We performed whole body scan after administration of therapeutic dose of 131I to evaluate the usefulness of radioactive iodine therapy in the above setting. METHODS: Fifteen patients (4 males and 11 females, ranging in age from 17 to 74 years) were studied. They had been previously treated with total thyroidectomy for papillary thyroid cancer followed by therapy with 131I for ablation of their thyroid residue. Tg levels were determined by immunoradiometric assay method. 131I (100-200 mCi) therapy was administered and whole body scan was performed. 99mTc MIBI scans were taken in 9 patients. Follow up data of Tg were available in 12 patients at time interval of 6 12 months from the first study and treatment. RESULTS: Tg(on) levels of these patients were in a range of 2.2210 ng/mL (mean 36.1 +/- 59.1 ng/mL) and Tg(off) levels were 17.3 1,592 ng/mL (mean 197.3 +/- 400.3 ng/mL). After radioiodide therapy, Tg(on) levels were in 1.48.5 ng/mL (mean 11.0 +/- 13.5 ng/mL), Tg (off) were 11.9 478.0 ng/mL (mean 159.3 +/- 159.8 ng/mL). The Tg (on) levels were decreased significantly after RAI therapy, but Tg (off) levels had no significant difference, In 8 of the 15 patients (53.3%), posttreatment whole body scan showed definite positive uptakes which were not evident in pretreatment diagnostic scan. There were local recurrence in 3 cases, regional lymph node metastasis in 4 cases, and lung in I case. Diffuse hepatic uptake was definitely seen in 7 cases. The MIBI scan showed abnorml uptakes in 4 of 9 cases. CONCLUSION: The therapeutic usefulness of 100 to 200 mCi of 131I treatment in patients with 131I scan-negative and Tg-positive was unclear. And the MIBI scan was only partially effective. Further studies with other diagnostic and therapeutic approachs are required to evaluate the exact lesions and to improve prognosis.
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Comparosin of Pretreatment and Postreatment Whole Body Iodine-131 Scans in Patients with Differentiated Thyroid Carcinoma.
Eun Sook Kim, Young Ki Song, Jin Sook Ryu, Dae Hyuk Moon
J Korean Endocr Soc. 1999;14(2):323-329.   Published online January 1, 2001
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AbstractAbstract PDF
BACKGROUND
Whole body 131I scan is routinely performed in the postoperative evaluation of patients with differentiated thyroid carcinoma to detect recurrence and functioning metastasis. Previous reports suggested that posttreatment whole body scan had higher rate of detecting metastatic lesions that were not visualized by pretreatment images. We observed the frequency of discordance of the two scans and analysed the clinical significances. METHODS: Forty-one patients with differentiated thyroid carcinoma underwent radioactive iodine-131 whole body scans after administration of diagnostic dose (4 mCi) and then therapeutic dose (100~200 mCi of iodine-131). The median age of the patients was 46.9 +/- 15.7 years (range, 17~76). RESULTS: In 16 of the 41 patients (39.0%), pretreatment scan showed additional uptakes that were not seen in the pretreatment scan. Serum thyroglobulin was elevated in 13 of the 16 patients. Of the 22 patients who had been received radioactive iodine therapy previously, eight patients showed new additional lesions in the therapeutic scans but there was no significance according to the history of radioactive iodine therapy, Addisional uptakes after therapeutic dose were noted in neck area in 9 cases, lung in 2 cases, bone in 4 cases and mediastinum in one case. Diffuse hepatic uptake was definitely seen in 7 cases and there were 2 cases whose scans showed liver uptake without any thyroid uptake. CONCLUSION: Posttreatment whole body scan is more sensitive to detect residual tissues and metastasis compared to the usual pretreatment diagnostic whole body scan, and it is suggested that posttreatment whole body scan should be routinely performed after 'I therapy in patients with differentiated thyroid carcinoma for exact evaluation.
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Allelotyping and Comparative Genomin Hybridization Studies in Papillary Thyroid Carcinomas and Follicular Adenomas.
Il Min Ahn, Eun Sook Kim, Hyun Soo Park, Ki Young Park, Seok Jun Hong, Kyung Yub Gong, Jin Yub Kim, Sung Bae Kim, Sang Hee Kim, Sung Jin Lee, Jung Hee Han, Kwan Ja Jee
J Korean Endocr Soc. 1999;14(2):314-322.   Published online January 1, 2001
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AbstractAbstract PDF
BACKGROUND
In our previous study, the prevalence of the known causes of thyroid tumorigenesis was relatively rare in Korean population, suggesting genetic and environmental differences exist. Screening of genetic alteration in papillary thyroid carcinoma(PTC) and follicular adenoma(FA) in whole genomic scale was needed prior to search on individual genes of possible causes. METHODS: Ten cases of PTC without ret/PTC-I, -2, -3 rearrangement and 5 cases of follicular adenoma were included in the study of microsatellite marker allelotyping. Sixty two microsatellite markers available, were chosen to cover the known sites of loss of heterozygosity(LOH) involved in thyroid tumors, tumor suppressor genes and terminal portion of each chromosomes. PCR was performed on tumor DNA and leukocytes DNA from each patient with MDE gel electrophoresis to detect LOH. Same specitnens as above, 3 case of normal thyroid tissues and NPA, ARO cell lines were included in the study of comparative genomic hybridization(CGH). Tumor and control DNAs were hybridized to metaphase chromosome with differential stainings with fluorescein and rhoda-mine-dUTP. Obtained results were analyzed by multicolor fluorescence computer assisted image analyzer. RESULTS: In allelotyping, LOH were detected in 5 cases of PTC, 2 cases on D10S1435, 1 case each on D2S1780, DSS1099, D11S1986, D16S539, 1 case of PTC revealed LOH on DSS1099, D11S1986. In FA, LOH were detected in 3 cases on D1S534, D1S226, Dl 1S907, D22S683, DXS9807. In CGH, Xp addition was noticed in 1 case of PTC, 12q and 10p addition was noticed in 1 case each, 16q deletion and 17q addition in 1 case of FA. CONCLUSION: No hot spot of LOH was noticed in microsatellite marker allelotyping, neither of common chromosomal change in CGH study suggesting unbalanced translocation or gene amplification more than 5-10 Mb may be involved in the genetic alteration of PTC and FA.
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A Case of Graves' Disease with Spuriously Elevsted TSH due to Interference of Heterophilin Actibodies.
Jeong Hee Han, Sung Jin Lee, Young Rok Sin, Eun Ju Lee, Eun Sook Kim, Sang Wook Kim, Jin Yub Kim, Il Min Ahn
J Korean Endocr Soc. 1999;14(1):160-164.   Published online January 1, 2001
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AbstractAbstract PDF
Thyroid-stimulating hormone (TSH) is the most sensitive marker reflecting thyroid function. TraditionaUy, TSH concentration was measured by the method of RadioImmunoAssay (RIA) with the detection limits around 1 to 2 mIU/L, which was unable to differentiate hyperthyroid status. Since 1980s, owing to the sensitive assay for TSH, immunoradiometric assay (IRMA), it has been possible to detect low concentration of TSH by 0.001 mlU/L. TSH is composed of two glycopeptide subunits, a-subunit and B-subunit. Monoclonal antibodies, directed against two different sites of the TSH peptides, are used in IRMA. One antibody is directed toward the specific B-subunit of TSH molecule and is used to extract it from serum, a second antibody labelled with a radioactive material is then attached to the separated TSH to form "sandwhich" molecule that can be measured. Generally, mouse monoclonal antibodies are used as capture and detection antibodies. Infrequently, when there is heterophilic antibody, i.e. human anti-mouse antibody (HAMA), TSH can be measured as spuriously elevated, since HAMA may form a link between the signal and capture molecules. We report a case of inappropriately elevated TSH concentration due to heterophilic antibody, later diagnosed as Graves disease. A 41-year-old woman visited our clinic with the chief complaints of hand tremor, hyperphagia, weight loss for 3 months. Two years earlier, she underwent total colectomy due to colon cancer and had treat on multiple chemotherapies. The results of thyroid function test shows that TSH was 0.77 mIU/L, free T was 7.1 ng/dL (0.8~1.9), free T was 11.3 pg/mL (0.2~5.5). Thyroid specific auto- antibody results were anti-Tg-Ab 21.3 m/mL(0 100), anti-TPO-Ab 87.9m/mL(0100), TBIAb 7.8% (-15/15). Thyroid scan showed that radioactiveiodine uptake was increased and thyroid gland wasenlarged diffusely. Because TSH level was elevated, further evaluations were performed to differentiate with TSH producing pituitary tumor and pituitary resistance to thyroid hormone. Sellar MRI was normal, TRH stimulation test showed flat response. Since spurious elevation of TSH is possible at the presence of hetrophilic antibody, we rechecked TSH concentration after adding mouse monoclonal antibody to the patients serum with result of TSH less than 0.05 mIU/L. She was able to be diagnosed as Graves disease, and started with methimazole. Three months later, thyroid function test showed that TSH was 10.5 mIU/L, free T4 was 1.0 ng/dL, free T3 was 4.0 pg/mL. TSH level after removal the effect of heterophilic antibody with mouse monoclonal antibody was 0.71 mIU/L. Neutropenia was developed 5 months after methimazole therapy, to stop antithyroid medication. With the plan of radioactive iodine therapy if she relapses, she is being followed with periodic thyroid function test. We report a case of Graves disease with spuriously elevated TSH due to the effect of heterophilic antibodies.
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Thallium-291 Whole Body Scintigraphy in Postoperative Follow-up of Differentiated Thyroid Carcinoma.
Eun Sook Kim, Hong Kyu Kim, Sung Jin Lee, Jin Sook Ryu, Dae Hyuk Moon, Young Kee Shong
J Korean Endocr Soc. 1999;14(1):63-70.   Published online January 1, 2001
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AbstractAbstract PDF
BACKGROUND
The advantages of thallium (Tl)-201 whole body scan in follow-up of patients with thyroid carcinoma include no need to discontinue thyroid hormone replacement, a shorter period of time between injection and imaging, a lower radiation dose, and preservation of affinity for subsequent therapeutic dose of 131I. To evaluate the reliability of whole body scintigraphy using Tl-201 in postoperative follow-up of thyroid carcinoma, this procedure was performed in patients after total thyroidectomy for thyroid carcinoma. The results were compared with those of 131I scintigraphy. METHODS: One hundred nineteen cases (119 patients) with a median age of 43 years (range, 20 85 years) were included in the study. After optimal endogenous thyroid-stimulating hormone stimulation (>50 mIU/mL), 131I (4 mCi) scan and Tl 201 (3 mCi) scan were simultaneously performed. Concomitantly serum thyroglobulin and anti-thyroglobulin antibody levels were checked. If abnormal findings on any of the scintigraphic methods or high levels of thyroglobulin (> 10 ng/mL) were detected, high dose (150~200mCi) 131I was administered as therapy and then whole body scans were performed repeatedly after the therapy. The presence or absence of thyroid cancer was established by pathologic, radiologic, and/or high dose 131I scan findings. RESULTS: In 12 patients, ll-201 scan revealed positive accumulations which were not found on 131I scan, of whom 9 had elevated thyroglobulin levels. In these cases, 5 cases were interpreted to have normal thyroid remnant and 7 cases showed pathologic findings (1 lung, 2 lymph node, 1 bone, and 2 lung and lymph node metastasis, and 1 false positive accumulation of thallium). Metastasis were confirmed histologically in 2 and radiologically in 5 cases. Negative Tl-201 scans, despite of positive 131I scans, occurred in 20 patients, of whom 6 had abnormal thyroglobulin levels. Seventeen cases were interpreted to have thyroid remnant, 2 cases were diagnosed to have thyroid carcinoma metastasis (1 lung, 1 lung and lymph node), and 1 case was not confumed. CONCLUSION: These results suggest that 131I scan is superior to 11-201 scan for detection of residual or metastatic differentiated thyroid carcinoma. However, the use of combined modalities may provide a higher diagnostic yield. TI-201 scan can be useful especially in cases in which 'I scan is negative despite of abnormal thyroglobulin levels.
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Technetium-99m sestamibi whole Body Scintigraphy in Postoperative Follow-up of Differentiated Thyroid Carcinoma.
Hong Kyu Kim, Eun Sook Kim, Young Ki Song, Jin Sook Ryu, Dae Hyuk Moon
J Korean Endocr Soc. 1998;13(4):572-579.   Published online January 1, 2001
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BACKGROUND
Recently technetium-99m sestamibi (99mTc MIBI), which dose not require withdrawal of thyroid hormone, has been used for imaging of thyroid carcinoma. The aim of this study was to determine the clinical usefulness of Tc MIBI scintigraphy after total thyroidectomy for thyroid carcinoma. The results were compared with those of standard 131I scintigraphy. METHODS: One hundred twelve patients with a median age of 44 years (range, 14-76 years) were included in the study. After optimal endogenous thyroid stimulating hormone stimulation (>50 mIU/mL), whole body scintigraphy using 4 mCi of 'I and 20 mCi of Tc sestamibi were done simultaneously. Concomitantly serum thyroglobulin and anti-thyroglobulin antibody levels were checked. If abnormal findings on any of the scintigraphic methods or high levels of thyroglobulin (> 10ng/mL) were detected, diagnostic imaging studies were done to confirm the existence of the disease. And high dose (150-200 mCi) 'I was administered as therapy and then whole body scans were performed again after the therapy. The presence or absence of thyroid cancer was established by pathologic, radiologic, and/or high dose I scan findings. RESULTS: In 11 patients, Tc MIBI scan revealed positive accumulations which were not found on 131I scan, of whom 6 had elevated thyroglobulin levels. In these cases, 5 cases were interpreted to have normal thyroid remnant and 6 cases showed pathologic findings (2 lung, 1 lymph node, 1 lung and lymph node, 1 local recurrent cancer, and 1 false positive accumulation of 99mTc MIBI). Metastasis or residual cancer were confirmed histologically in 1 and radiologically in 4 cases. Negative 99mTc MIBI scans, despite of positive I scans, occurred in 9 patients, of whom 2 had abnormal thyroglobulin levels. Seven cases were interpreted to have thyroid remnant, 2 cases were confirmed to have lung metastasis, and another one was misinterpreted due to breast shadow. CONCLUSION: In conclusion, these results suggest that 99mTc MIBI scan may have similar sensitivity and specificity for the detection of residual or metastatic differentiated thyroid carcinoma. The 99mTc MIBI scan, especially in cases of negative 131I scan despite of abnormal thyroglobulin levels, can be used as a very useful complementary diagnostic tool.
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The Expression of the Bcl-2 Family Proteins in Thyroid Neoplasms.
Il Min Ahn, Eun Sook Kim, Seok Jun Hong, Kyung Yub Gong, Tae Jin Lee, Jin Yub Kim, Sung Bae Kim, Sang Hee Kim
J Korean Endocr Soc. 1998;13(3):359-365.   Published online January 1, 2001
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BACKGROUND
Proteins of the Bcl-2 family are intracellular membrane-associated proteins that regulate programmed cell death either positively or negatively by as yet unknown mechanism. Bcl-2 family proteins have an antiapoptotic function, such as the Bcl-2, the long form of Bcl-x and Mcl-l, or a proapoptotic function, like the short form of Bcl-x and Bax. To investigate the potential role of Bcl-2 family proteins in thyroid tumorigenesis, the authors examined the pattern of expression of the Bel-2 family proteins in various thyroid neoplasms. METHODS: Bcl-2 family proteins, including Bcl-2, Bcl-x, Mcl-1 and Bax proteins were immunohistochemically stained in 57 cases of various thyroid neoplasms using formalin-fixed and paraffin embedded tissues; 18 cases of papillary carcinoma, 6 cases of medullary carcinoma, 4 cases of anaplastic carcinoma, 10 cases of follicular adenoma, 9 cases of adenomatous goiter, and 10 autopsy cases of fetal thyroid galnd. The intensity and frequency of the immunostaining were evaluated with the program of Image-Pro Plus Version 3.0 for image analysis. RESULT: Consistent expression of Bcl-2, Mcl-1, and Bax proteins were present in the surrounding normal thyroid tissue, however the expression of Bcl-x protein was not observed. Compare to the expression patterns of adenomatous goiter, and fetal and surrounding normal thyroid tissues, papillary and anaplastic carcinomas showed the decreased Bcl-2 and increased Bcl-x protein expressions(p (0.05). Medullary carcinoma revealed the increased Bcl-x protein expression only(p 0.05). CONCLUSION: These data suggest that combined patterns of decreased Bcl-2 and increased Bcl-x protein expressions may eontribute to the carcinogenesis of thyroid cancers originated from thyroid follicular cells, and an increased expression of Bcl-x protein may be related to the pathogenesis of medullary carcinoma from parafollicular C cells.
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Serum Immunoreactive-Leptin Concentrations and its Relation to Adiposity and Other biochemical Parameters in Korean Males.
Sung Kil Lim, Bong Soo Cha, Young Duk Song, Hyun Chul Lee, Kap Bum Huh, Eun Sook Kim, Sang Kyu Na, Jae Ho Shin, Kyung Rae Kim, Soo Yeon Nam
J Korean Endocr Soc. 1998;13(2):216-223.   Published online January 1, 2001
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BACKGROUND
Leptin, the product of obese(ob) gene, is thought to be a lipostatic hormone that contributes to body weight regulation through modulating food intake and energy expenditure. Animals with leptin deficiency are obese and lose body weight when they are given leptin. However little is known about the physiologic actions of leptin in humans. Plasma leptin concentrations are shown to be elevated in obese humans. So far, the factors that regulate plasma leptin concentrations remain to be identified. This work is undertaken, therefore, to examine the basal leptin concentrations in lean and obese korean males, and relation between leptin concentrations, body fat and other biochemical pararneters. METHODS: We measured the height, weight, waist/ hip ratio, fasting blood glucose, insulin, total cholesterol, triglyceride, free fatty acid and leptin concentrations in 45 obese and 45 normalweight males without medical and surgical problems. RESULTS: Means of percent IBW were 136.3+/-10.3%(mean+/-SD) and 97.2+/-6.5% in obese and control group respectively. Pasting blood sugar, free fatty acid, total cholesterol concentrations were not different between obese and control group. But the insulin and triglyceride concentrations were higher in obese group than those in control group(p< 0.05). Also, the mean leptin concentrstion was higher in obese group than that in control group(5.8+/-3.5 vs 3.0+/-2.1). The leptin concentrations were not correlated with fasting blood sugar, free fatty acid, total cholesterol levels, triglyceride, insulin or age, but correlated with WHR(r2=0.203), BMI and percent IBW. CONCLUSIONS: These findings suggest that the leptin coneentrations are positively correlated with adiposity. The mean serum leptin concentrations in korean obese males were lower than those reported in other studies, probably because the subjects of this study were only males and had lower fat amount compared to other studies, and the change of body weight and calorie intake before study was not considered.
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Expression of Human Sodium Iodide Symporter mRNA in Papillary Thyroid Carcinoma.
Hong Kyu Kim, Il Min Ahn, Young Il Kim, Eun Sook Kim, Hyun Soo Park, Ki Young Park, Seok Jun Hong
J Korean Endocr Soc. 1998;13(2):181-188.   Published online January 1, 2001
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BACKGROUND
The sodium iodide symporter(NIS) is a plasma membrane protein which is respoasibIe for iodide transport into thyroid cell. The cDNA sequence of NIS has recently been cloned from rat and human. Intrinsic ability and its differences in iodide accumulation have been exploited as a useful tool for diagnosis and therapy of thyroid diseases. It is also known that some differentiated thyroid cancers do not take up radioactive iodine at therapeutic dose. METHODS: To understand the expression and regulation of NIS in thyroid tumars, we measured the expressons of human NIS(hNIS), TSH-receptor(R), and thyroglohulin(Tg) mRNAs from papillary thyroid carcinoma(PTC) tissues by reverse transcriptase-polymerase chain reaction (RT-PCR) and RNase protection assay(RPA). RESULT: By RT-PCR analysis, 87% of PTC expressed hNIS mRNA, but the degree of expression were variable. Interestingly, 32% of PTC showed significant level of hNIS expression even though pre-operative technetium thyroid scan of all thyroid tumors were cold but the level was lower than normal control tissues. All of PTC showed the expressions of Tg and TSH-R mRNAs and there was a correlation between hNIS mRNA and TSH-R mRNA(Rsq 0.35, p=0.01). By RPA, the expression of hNIS and TSH-R in normal control tissue were detected with 20microgram and 40microgram of total RNA respectively, but the higher concentrations(> or =60microgram for hNIS and > or =40microgram for TSH-R) were required to detect in PTC, showing that tbe expression of hNIS in FTC was lower than TSH-R expression. CONCLUSION: PTC tends to lose hNIS mRNA expression earlier than TSH-R mRNA and the measurement of hNIS mRNA in PTC may be useful as an indicator of the therapeutic response to radioactive iodine.
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The Benificial Effects of Growth Hormone Therapy with Diet Restriction in Obese Adults.
Sung Kil Lim, Bong Soo Cha, Young Duk Song, Hyun Chul Lee, Kap Bum Huh, Eun Sook Kim, Jae Ho Shin, Kyung Rae Kim, Soo Yeon Nam
J Korean Endocr Soc. 1997;12(4):571-583.   Published online January 1, 2001
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BACKGROUND
Carolic restriction as a treatment for obesity causes catabolism of body protein stores and produces negative nitrogen balance. GH administration causes acceleration of lipolysis and promotion of nitrogen conservation. We evaluated the effects of GH treatment and caloric restriction on lipolysis, anabolic effects and body composition in obese subjects. METHODS: 24 obese (20% over IBW) subjects (22 women and 2 men; 22-46yr old) were fed a diet of 25kcal/kg IBW with 1.2g protein/kg IBW daily during treatment. The subjects were assigned at random to either treatment with recombinent human GH (n=12, 0.06U/kg IBW every other day) or placebo (n 12, vehicle injection) for 12 weeks. Body fat was assessed by impedence and abdominal fat, visceral fat area at the umbilicus level and muscle area of mid thigh level were measured using computed tomography. RESULTS: Fraction of body weight lost as fat lost was significantly greater in GH treatment than in placebo group (1.21+-0.48%/kg, vs 0.52+-0.28%/kg, p0.05). GH treatment caused significant decrease in visceral fat area (35.3% vs 28.5%, p<0.05). In placebo group, there were significant loss of muscle area (-4.8 +-2.6cm ) and lean body mass (-2.62 +-1.51kg) after treatment. In contrast, GH treatment group had more increase in muscle area (3.5+-2.3cm ) and lean body mass (1.13 +-1.04kg) and positive nitrogen balance (1.81+-4.06g/day). GH injections cuased a 1.6-fold increase in IGF-I, despite caloric restriction. GH responses to L-dopa stimulation were blunted in all subjects and GH responses were increased after treatment. Both group showed hyperinsulinemia during oral glucose tolerance test (OGTT), and after treatment, they had decreased in insulin secretion. However, GH treatmnent group had not significant decrease, because GH might induce insulin resistance. FFA response areas during OGTT markedly decreased after treatment in both group. In GH treatment group, more decrease of FFA responses might result from the antilipolytic effect by higher level of insulin or more decrease in amount of fat. CONCLUSION: This study has demonstrated that in obese subjects fed hypocaloric diet, GH accelerates body fat loss and exerts anabolic effects.
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Clinical use of Urinary Androgen Metabolites in Hyperprolactinemia.
Kyoung Rae Kim, Sung Kil Lim, Young Duk Song, Hyun Chul Lee, Kap Bum Huh, Eun Sook Kim, Su Youn Nam, Eun Jig Lee, Bong Chul Jung, Byeong Kee Choi, Jae Ho Shin
J Korean Endocr Soc. 1997;12(3):443-449.   Published online January 1, 2001
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BACKGROUND
Hyperprolactinemia has been linked with hyperandrogenism and hirsutism in some women. High plasma Dihydroandrosterone and DHA-S levels were reported in patients with hyperprolactinemia and a dissociation of adrenal androgen and cortisol secretion occurs in normal subjects. The mechanism has not been elucidated, but it has been suggested that pituitary factors other than ACTH modulate adrenal androgen synthesis, One candidate hormone is prolactin. Adrenal tissue has been found to possess prolactin receptors and prolactin has been shown to act synergistically with ACTH and lowers the activity of the enzyme 5a-reductase or 3B-hydroxysteroid dehydrogenase (3B-HSD). The aim of this study was to investigate the secretion of adrenal androgen metabolites in patients with idiopathic hyperprolactinemia and prolactinoma and to deterrnine the relationship with prolactin and androgens. METHODS: We measured 24 hour-urinary DHEA, androstenedione, androsterone, pregnenolone, tetrahydrocorticoid and cortisol in 16 normal controls and 5 patients with idiopathic hyperprolac-tinemia (HP) and 12 patients with prolactonoma in the early follicular phase. RESULTS: Urinary DHEA, AD (androsteredione), and androsterone, the metabolites of adrenal androgen, were significantly higher in both patients with idiopathic HP and prolactinoma compared with those in normal controls (p<0.05), whereas they were not different in both disease groups. Urinary pregnenolone levels, early metabolite of adrenal steroid synthesis, were lower in patients. In contrast, urinary tetrahydorcortisol and cortisol were higher in patients compared to controls. There was no difference in DHEA:androsterone ratio between patients and controls. And there were no correlation between prolactin levels and the levels of androgenic metabolites or clinical symptoms. CONCLUSION: Prolactin has a tropic effct on the secretion of androgens and steroids by the adrenal cortex. But prolactin levels were not correlated with androgen levels or clinical symptoms (amenorrhea), and it might have little effect on lowering the activity of 3B-HSD.
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Primary empty sella syndrome.
Kyoung Rae Kim, Sung Kil Lim, Young Duk Song, Hyun Chul Lee, Kap Bum Huh, Eun Sook Kim, In Jai Kim, Yoon Jae Moon, Sang Kyu Na, Su Youn Nam, Eun Jig Lee
J Korean Endocr Soc. 1997;12(3):386-392.   Published online January 1, 2001
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BACKGROUND
Primary empty sella syndrome (PES) is thought to arise from an incompetent diaphragma allowing progressive herniation of arachnoid membrane with secondary compression and atrophy of the pituitary gland. As a consequence of the improvement and widespread use of neuroradiological techniques, such as computerized tomography (CT) and magnetic resonance imaging (MRI), empty sella is more frequently disclosed. The aim of this study is to assess the associated clinical characteristics and endocrinologic disturbance in empty sella syndrome. METHODS: From January 1986 to June 1996, 171 patients with empty sella syndrome have undergone analysis for clinical characteristics and associated disease. RESULT: In our study, PES was diagnosed in 131 of the 171 patients (77%). Primary empty sella syndrome was frequent in middle aged women (female:male 115:16, mean age: 50.6+12.6 years). The common clinical features were headache (80.2%), obesity (72.5%), and hypertension (27.5%). Most of patients with PES have normal pituitary function (75%). The frequent pituitary dysfunction was hyperprolactinemia in PES (21%). Partial and total emptiness of sella on sella CT or MRI were in 111 (84.7%) patients, and in 20 (15.4%) patients, respectively. The most common associated disease with empty sella syndrome was pituitary adenoma. CONCLUSION: PES should be considered as a possible cause in obese middle aged women with unexplained headache. The combined pituitary function test should be considered for evaluation of pituitary dysfunction when clinically suspected.
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Endocrinol Metab : Endocrinology and Metabolism
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