Endocrinology and Metabolism

Yea Eun Kang (Kang YE)

14 Articles

Thyroid
Efficient Dissociation Protocol for Generation of Single Cell Suspension from Human Thyroid Tissue for Single Cell RNA Sequencing: Shinae Yi, Hyun Jung Kim, Bon Seok Koo, Seong Eun Lee, Jahyun Choi, Yea Eun Kang; Endocrinol Metab. 2022;37(4):698-700. Published online August 29, 2022; DOI: https://doi.org/10.3803/EnM.2022.1536

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Thyroid
Development of Metabolic Synthetic Lethality and Its Implications for Thyroid Cancer: Sang-Hyeon Ju, Seong Eun Lee, Yea Eun Kang, Minho Shong; Endocrinol Metab. 2022;37(1):53-61. Published online February 28, 2022; DOI: https://doi.org/10.3803/EnM.2022.1402

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Abstract PDF PubReader ePub Crossref - TDM: Cancer therapies targeting genetic alterations are a topic of great interest in the field of thyroid cancer, which frequently harbors mutations in the RAS, RAF, and RET genes. Unfortunately, U.S. Food and Drug Administration-approved BRAF inhibitors have relatively low therapeutic efficacy against BRAF-mutant thyroid cancer; in addition, the cancer often acquires drug resistance, which prevents effective treatment. Recent advances in genomics and transcriptomics are leading to a more complete picture of the range of mutations, both driver and messenger, present in thyroid cancer. Furthermore, our understanding of cancer suggests that oncogenic mutations drive tumorigenesis and induce rewiring of cancer cell metabolism, which promotes survival of mutated cells. Synthetic lethality (SL) is a method of neutralizing mutated genes that were previously considered untargetable by traditional genotype-targeted treatments. Because these metabolic events are specific to cancer cells, we have the opportunity to develop new therapies that target tumor cells specifically without affecting healthy tissue. Here, we describe developments in metabolism-based cancer therapy, focusing on the concept of metabolic SL in thyroid cancer. Finally, we discuss the essential implications of metabolic reprogramming and its role in the future direction of SL for thyroid cancer.

Miscellaneous
Protocol for a Korean Multicenter Prospective Cohort Study of Active Surveillance or Surgery (KoMPASS) in Papillary Thyroid Microcarcinoma: Min Ji Jeon, Yea Eun Kang, Jae Hoon Moon, Dong Jun Lim, Chang Yoon Lee, Yong Sang Lee, Sun Wook Kim, Min-Hee Kim, Bo Hyun Kim, Ho-Cheol Kang, Minho Shong, Sun Wook Cho, Won Bae Kim; Endocrinol Metab. 2022;37(1):181-182. Published online February 28, 2022; DOI: https://doi.org/10.3803/EnM.2022.104; Corrects: Endocrinol Metab 2021;36(2):359

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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

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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.

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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

Thyroid
A Multicenter, Randomized, Controlled Trial for Assessing the Usefulness of Suppressing Thyroid Stimulating Hormone Target Levels after Thyroid Lobectomy in Low to Intermediate Risk Thyroid Cancer Patients (MASTER): A Study Protocol: Eun Kyung Lee, Yea Eun Kang, Young Joo Park, Bon Seok Koo, Ki-Wook Chung, Eu Jeong Ku, Ho-Ryun Won, Won Sang Yoo, Eonju Jeon, Se Hyun Paek, Yong Sang Lee, Dong Mee Lim, Yong Joon Suh, Ha Kyoung Park, Hyo-Jeong Kim, Bo Hyun Kim, Mijin Kim, Sun Wook Kim, Ka Hee Yi, Sue K. Park, Eun-Jae Jung, June Young Choi, Ja Seong Bae, Joon Hwa Hong, Kee-Hyun Nam, Young Ki Lee, Hyeong Won Yu, Sujeong Go, Young Mi Kang, MASTER study group; Endocrinol Metab. 2021;36(3):574-581. Published online May 26, 2021; DOI: https://doi.org/10.3803/EnM.2020.943

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Background
Postoperative thyroid stimulating hormone (TSH) suppression therapy is recommended for patients with intermediate- and high-risk differentiated thyroid cancer to prevent the recurrence of thyroid cancer. With the recent increase in small thyroid cancer cases, the extent of resection during surgery has generally decreased. Therefore, questions have been raised about the efficacy and long-term side effects of TSH suppression therapy in patients who have undergone a lobectomy.
Methods
This is a multicenter, prospective, randomized, controlled clinical trial in which 2,986 patients with papillary thyroid cancer are randomized into a high-TSH group (intervention) and a low-TSH group (control) after having undergone a lobectomy. The principle of treatment includes a TSH-lowering regimen aimed at TSH levels between 0.3 and 1.99 μIU/mL in the low-TSH group. The high-TSH group targets TSH levels between 2.0 and 7.99 μIU/mL. The dose of levothyroxine will be adjusted at each visit to maintain the target TSH level. The primary outcome is recurrence-free survival, as assessed by neck ultrasound every 6 to 12 months. Secondary endpoints include disease-free survival, overall survival, success rate in reaching the TSH target range, the proportion of patients with major cardiovascular diseases or bone metabolic disease, the quality of life, and medical costs. The follow-up period is 5 years.
Conclusion
The results of this trial will contribute to establishing the optimal indication for TSH suppression therapy in low-risk papillary thyroid cancer patients by evaluating the benefit and harm of lowering TSH levels in terms of recurrence, metabolic complications, costs, and quality of life.

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ASO Author Reflections: Active Surveillance may be Possible in Patients with T1b Papillary Thyroid Carcinoma Over 55 Years of Age Without High-Risk Features on Preoperative Examinations
Ho-Ryun Won, Eonju Jeon, Da Beom Heo, Jae Won Chang, Minho Shong, Je Ryong Kim, Hyemi Ko, Yea Eun Kang, Hyon-Seung Yi, Ju Hee Lee, Kyong Hye Joung, Ji Min Kim, Younju Lee, Sung-Woo Kim, Young Ju Jeong, Yong Bae Ji, Kyung Tae, Bon Seok Koo
Annals of Surgical Oncology.2023;[Epub] CrossRef
Outcomes and Trends of Treatments in High‐Risk Differentiated Thyroid Cancer
Arash Abiri, Khodayar Goshtasbi, Sina J. Torabi, Edward C. Kuan, William B. Armstrong, Tjoson Tjoa, Yarah M. Haidar
Otolaryngology–Head and Neck Surgery.2023;[Epub] CrossRef
Current Controversies in Low-Risk Differentiated Thyroid Cancer: Reducing Overtreatment in an Era of Overdiagnosis
Timothy M Ullmann, Maria Papaleontiou, Julie Ann Sosa
The Journal of Clinical Endocrinology & Metabolism.2023; 108(2): 271. CrossRef
Thyroid stimulating hormone suppression and recurrence after thyroid lobectomy for papillary thyroid carcinoma
Mi Rye Bae, Sung Hoon Nam, Jong-Lyel Roh, Seung-Ho Choi, Soon Yuhl Nam, Sang Yoon Kim
Endocrine.2022; 75(2): 487. CrossRef
Age-Dependent Clinicopathological Characteristics of Patients with T1b Papillary Thyroid Carcinoma: Implications for the Possibility of Active Surveillance
Ho-Ryun Won, Eonju Jeon, Da Beom Heo, Jae Won Chang, Minho Shong, Je Ryong Kim, Hyemi Ko, Yea Eun Kang, Hyon-Seung Yi, Ju Hee Lee, Kyong Hye Joung, Ji Min Kim, Younju Lee, Sung-Woo Kim, Young Ju Jeong, Yong Bae Ji, Kyung Tae, Bon Seok Koo
Annals of Surgical Oncology.2022;[Epub] CrossRef
The Concept of Economic Evaluation and Its Application in Thyroid Cancer Research
Kyungsik Kim, Mijin Kim, Woojin Lim, Bo Hyun Kim, Sue K. Park
Endocrinology and Metabolism.2021; 36(4): 725. CrossRef

Diabetes, Obesity and Metabolism
Expression of LONP1 Is High in Visceral Adipose Tissue in Obesity, and Is Associated with Glucose and Lipid Metabolism: Ju Hee Lee, Saet-Byel Jung, Seong Eun Lee, Ji Eun Kim, Jung Tae Kim, Yea Eun Kang, Seul Gi Kang, Hyon-Seung Yi, Young Bok Ko, Ki Hwan Lee, Bon Jeong Ku, Minho Shong, Hyun Jin Kim; Endocrinol Metab. 2021;36(3):661-671. Published online June 22, 2021; DOI: https://doi.org/10.3803/EnM.2021.1023

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Background
The nature and role of the mitochondrial stress response in adipose tissue in relation to obesity are not yet known. To determine whether the mitochondrial unfolded protein response (UPR^mt) in adipose tissue is associated with obesity in humans and rodents.
Methods
Visceral adipose tissue (VAT) was obtained from 48 normoglycemic women who underwent surgery. Expression levels of mRNA and proteins were measured for mitochondrial chaperones, intrinsic proteases, and components of electron-transport chains. Furthermore, we systematically analyzed metabolic phenotypes with a large panel of isogenic BXD inbred mouse strains and Genotype-Tissue Expression (GTEx) data.
Results
In VAT, expression of mitochondrial chaperones and intrinsic proteases localized in inner and outer mitochondrial membranes was not associated with body mass index (BMI), except for the Lon protease homolog, mitochondrial, and the corresponding gene LONP1, which showed high-level expression in the VAT of overweight or obese individuals. Expression of LONP1 in VAT positively correlated with BMI. Analysis of the GTEx database revealed that elevation of LONP1 expression is associated with enhancement of genes involved in glucose and lipid metabolism in VAT. Mice with higher Lonp1 expression in adipose tissue had better systemic glucose metabolism than mice with lower Lonp1 expression.
Conclusion
Expression of mitochondrial LONP1, which is involved in the mitochondrial quality control stress response, was elevated in the VAT of obese individuals. In a bioinformatics analysis, high LONP1 expression in VAT was associated with enhanced glucose and lipid metabolism.

Citations

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Mitochondrial quality control proteases and their modulation for cancer therapy
Jiangnan Zhang, Wenliang Qiao, Youfu Luo
Medicinal Research Reviews.2023; 43(2): 399. CrossRef
The mitochondrial unfolded protein response: A multitasking giant in the fight against human diseases
Zixin Zhou, Yumei Fan, Ruikai Zong, Ke Tan
Ageing Research Reviews.2022; 81: 101702. CrossRef

Clinical Study
Protocol for a Korean Multicenter Prospective Cohort Study of Active Surveillance or Surgery (KoMPASS) in Papillary Thyroid Microcarcinoma: Min Ji Jeon, Yea Eun Kang, Jae Hoon Moon, Dong Jun Lim, Chang Yoon Lee, Yong Sang Lee, Sun Wook Kim, Min-Hee Kim, Bo Hyun Kim, Ho-Cheol Kang, Minho Shong, Sun Wook Cho, Won Bae Kim; Endocrinol Metab. 2021;36(2):359-364. Published online March 23, 2021; DOI: https://doi.org/10.3803/EnM.2020.890; Correction in: Endocrinol Metab 2022;37(1):181

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Background
A Korean Multicenter Prospective cohort study of Active Surveillance or Surgery (KoMPASS) for papillary thyroid microcarcinomas (PTMCs) has been initiated. The aim is to compare clinical outcomes between active surveillance (AS) and an immediate lobectomy for low-risk PTMCs. We here outline the detailed protocol for this study.
Methods
Adult patients with a cytopathologically confirmed PTMC sized 6.0 to 10.0 mm by ultrasound (US) will be included. Patients will be excluded if they have a suspicious extra-thyroidal extension or metastasis of a PTMC or multiple thyroid nodules or other thyroid diseases which require a total thyroidectomy. Printed material describing the prognosis of PTMCs, and the pros and cons of each management option, will be provided to eligible patients to select their preferred intervention. For the AS group, thyroid US, thyroid function, and quality of life (QoL) parameters will be monitored every 6 months during the first year, and then annually thereafter. Disease progression will be defined as a ≥3 mm increase in maximal diameter of a PTMC, or the development of new thyroid cancers or metastases. If progression is detected, patients should undergo appropriate surgery. For the lobectomy group, a lobectomy with prophylactic central neck dissection will be done within 6 months. After initial surgery, thyroid US, thyroid function, serum thyroglobulin (Tg), anti-Tg antibody, and QoL parameters will be monitored every 6 months during the first year and annually thereafter. Disease progression will be defined in these cases as the development of new thyroid cancers or metastases.
Conclusion
KoMPASS findings will help to confirm the role of AS, and develop individualized management strategies, for low-risk PTMCs.

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Thyroid-Stimulating Hormone, Age, and Tumor Size are Risk Factors for Progression During Active Surveillance of Low-Risk Papillary Thyroid Microcarcinoma in Adults
Yasuhiro Ito, Akira Miyauchi, Makoto Fujishima, Takuya Noda, Tsutomu Sano, Takahiro Sasaki, Taketoshi Kishi, Tomohiko Nakamura
World Journal of Surgery.2023; 47(2): 392. CrossRef
Thermal ablation for papillary thyroid microcarcinoma located in the isthmus: a study with 3 years of follow-up
Lin Zheng, Fang-yi Liu, Jie Yu, Zhi-gang Cheng, Xiao-ling Yu, Xiao-cong Dong, Zhi-yu Han, Ping Liang
Future Oncology.2022; 18(4): 471. CrossRef
Trends in the Management of Localized Papillary Thyroid Carcinoma in the United States (2000–2018)
Elisa Pasqual, Julie Ann Sosa, Yingxi Chen, Sara J. Schonfeld, Amy Berrington de González, Cari M. Kitahara
Thyroid.2022; 32(4): 397. CrossRef
Management of Low-Risk Thyroid Cancers: Is Active Surveillance a Valid Option? A Systematic Review of the Literature
Renato Patrone, Nunzio Velotti, Stefania Masone, Alessandra Conzo, Luigi Flagiello, Chiara Cacciatore, Marco Filardo, Vincenza Granata, Francesco Izzo, Domenico Testa, Stefano Avenia, Alessandro Sanguinetti, Andrea Polistena, Giovanni Conzo
Journal of Clinical Medicine.2021; 10(16): 3569. CrossRef
Cost-Effectiveness Analysis of Active Surveillance Compared to Early Surgery in Small Papillary Thyroid Cancer: A Systemic Review
Han-sang Baek, Chai-ho Jeong, Jeonghoon Ha, Ja-Seong Bae, Jeong-soo Kim, Dong-Jun Lim, Chul-Min Kim
Cancer Management and Research.2021; Volume 13: 6721. CrossRef
Active Surveillance as an Effective Management Option for Low-Risk Papillary Thyroid Microcarcinoma
Min Ji Jeon, Won Gu Kim, Tae Yong Kim, Young Kee Shong, Won Bae Kim
Endocrinology and Metabolism.2021; 36(4): 717. CrossRef

Clinical Study
Genetic Analysis of CLCN7 in an Old Female Patient with Type II Autosomal Dominant Osteopetrosis: Seon Young Kim, Younghak Lee, Yea Eun Kang, Ji Min Kim, Kyong Hye Joung, Ju Hee Lee, Koon Soon Kim, Hyun Jin Kim, Bon Jeong Ku, Minho Shong, Hyon-Seung Yi; Endocrinol Metab. 2018;33(3):380-386. Published online September 18, 2018; DOI: https://doi.org/10.3803/EnM.2018.33.3.380

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Background

Type II autosomal dominant osteopetrosis (ADO II) is a rare genetically heterogeneous disorder characterized by osteosclerosis and increased bone mass, predominantly involving spine, pelvis, and skull. It is closely related to functional defect of osteoclasts caused by chloride voltage-gated channel 7 (CLCN7) gene mutations. In this study, we aimed to identify the pathogenic mutation in a Korean patient with ADO II using whole exome sequencing.

Methods

We evaluated the clinical, biochemical, and radiographic analysis of a 68-year-old woman with ADO II. We also performed whole exome sequencing to identify pathogenic mutation of a rare genetic disorder of the skeleton. Moreover, a polymorphism phenotyping program, Polymorphism Phenotyping v2 (PolyPhen-2), was used to assess the effect of the identified mutation on protein function.

Results

Whole exome sequencing using peripheral leukocytes revealed a heterozygous c.296A>G missense mutation in the CLCN7 gene. The mutation was also confirmed using Sanger sequencing. The mutation c.296A>G was regarded to have a pathogenic effect by PolyPhen-2 software.

Conclusion

We detect a heterozygous mutation in CLCN7 gene of a patient with ADO II, which is the first report in Korea. Our present findings suggest that symptoms and signs of ADO II patient having a c.296A>G mutation in CLCN7 may appear at a very late age. The present study would also enrich the database of CLCN7 mutations and improve our understanding of ADO II.

Citations

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Autosomal dominant osteopetrosis type II resulting from a de novo mutation in the CLCN7 gene: A case report
Xiu-Li Song, Li-Yuan Peng, Dao-Wen Wang, Hong Wang
World Journal of Clinical Cases.2022; 10(20): 6936. CrossRef
Magnetic resonance findings in a Cavalier King Charles spaniel with osteopetrosis, Chiari‐like malformation and syringomyelia
Ricardo Fernandes, C J Jordan, Colin Driver
Veterinary Record Case Reports.2019;[Epub] CrossRef

Clinical Study
The Eosinophil Count Tends to Be Negatively Associated with Levels of Serum Glucose in Patients with Adrenal Cushing Syndrome: Younghak Lee, Hyon-Seung Yi, Hae Ri Kim, Kyong Hye Joung, Yea Eun Kang, Ju Hee Lee, Koon Soon Kim, Hyun Jin Kim, Bon Jeong Ku, Minho Shong; Endocrinol Metab. 2017;32(3):353-359. Published online September 18, 2017; DOI: https://doi.org/10.3803/EnM.2017.32.3.353

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Background

Cushing syndrome is characterized by glucose intolerance, cardiovascular disease, and an enhanced systemic inflammatory response caused by chronic exposure to excess cortisol. Eosinopenia is frequently observed in patients with adrenal Cushing syndrome, but the relationship between the eosinophil count in peripheral blood and indicators of glucose level in patients with adrenal Cushing syndrome has not been determined.

Methods

A retrospective study was undertaken of the clinical and laboratory findings of 40 patients diagnosed with adrenal Cushing syndrome at Chungnam National University Hospital from January 2006 to December 2016. Clinical characteristics, complete blood cell counts with white blood cell differential, measures of their endocrine function, description of imaging studies, and pathologic findings were obtained from their medical records.

Results

Eosinophil composition and count were restored by surgical treatment of all of the patients with adrenal Cushing disease. The eosinophil count was inversely correlated with serum and urine cortisol, glycated hemoglobin, and inflammatory markers in the patients with adrenal Cushing syndrome.

Conclusion

Smaller eosinophil populations in patients with adrenal Cushing syndrome tend to be correlated with higher levels of blood sugar and glycated hemoglobin. This study suggests that peripheral blood eosinophil composition or count may be associated with serum glucose levels in patients with adrenal Cushing syndrome.

Citations

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Inverse relationship between eosinophil profiles and serum glucose concentration in dogs with naturally occurring hypercortisolism
Jimin Oh, Dohee Lee, Taesik Yun, Yoonhoi Koo, Yeon Chae, Mhan-Pyo Yang, Byeong-Teck Kang, Hakhyun Kim
Domestic Animal Endocrinology.2022; 80: 106727. CrossRef
Serum Cortisol and Its Correlation with Leucocyte Profile and Circulating Lipids in Donkeys (Equus asinus)
Daniela Alberghina, Alessandra Statelli, Vincenzo Monteverde, Irene Vazzana, Giuseppe Cascone, Michele Panzera
Animals.2022; 12(7): 841. CrossRef
Changes in leukocytes and CRP in different stages of major depression
Deepti Singh, Paul C. Guest, Henrik Dobrowolny, Veronika Vasilevska, Gabriela Meyer-Lotz, Hans-Gert Bernstein, Katrin Borucki, Alexandra Neyazi, Bernhard Bogerts, Roland Jacobs, Johann Steiner
Journal of Neuroinflammation.2022;[Epub] CrossRef
HIF1α is a direct regulator of steroidogenesis in the adrenal gland
Deepika Watts, Johanna Stein, Ana Meneses, Nicole Bechmann, Ales Neuwirth, Denise Kaden, Anja Krüger, Anupam Sinha, Vasileia Ismini Alexaki, Luis Gustavo Perez-Rivas, Stefan Kircher, Antoine Martinez, Marily Theodoropoulou, Graeme Eisenhofer, Mirko Peitz
Cellular and Molecular Life Sciences.2021; 78(7): 3577. CrossRef
The Immune System in Cushing’s Syndrome
Valeria Hasenmajer, Emilia Sbardella, Francesca Sciarra, Marianna Minnetti, Andrea M. Isidori, Mary Anna Venneri
Trends in Endocrinology & Metabolism.2020; 31(9): 655. CrossRef

Clinical Study
The Role of Circulating Slit2, the One of the Newly Batokines, in Human Diabetes Mellitus: Yea Eun Kang, Sorim Choung, Ju Hee Lee, Hyun Jin Kim, Bon Jeong Ku; Endocrinol Metab. 2017;32(3):383-388. Published online September 18, 2017; DOI: https://doi.org/10.3803/EnM.2017.32.3.383

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Background

Slit2 is a new secreted protein from adipose tissue that improves glucose hemostasis in mice; however, there is no study about the serum levels and precise role of Slit2 in human. The aim of this study is to explore the serum level of Slit2 in human, and to identify the role of Slit2 in diabetes mellitus (DM).

Methods

The participants of this study consist of 38 subjects with newly diagnosed DM, and 75 healthy subjects as a control group. Serum Slit2 levels were measured using an enzyme-linked immunosorbent assay. Relationship between circulating Slit2 and diabetic related factors was investigated in diabetic group compared with non-diabetic group. Additionally, the correlations between the serum level of Slit2 and diverse metabolic parameters were analyzed.

Results

Circulating Slit2 level was more decreased in diabetic group than in control group, but there was no significant difference statistically. Interestingly, serum levels of Slit2 were significantly negatively correlated to the serum concentrations of fasting glucose (coefficient r=–0.246, P=0.008), the serum concentrations of postprandial glucose (coefficient r=–0.233, P=0.017), and glycosylated hemoglobin (HbA1c; coefficient r=–0.357, P<0.001).

Conclusion

From our study, the first report of circulating Slit2 levels in human, circulating Slit2 level significantly negatively correlated with serum glucose and HbA1c. Our results suggest that the circulating Slit2 may play a role in maintainence of glucose homeostasis in human, even though exact contribution and mechanism are not yet known.

Citations

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Adipokines from white adipose tissue in regulation of whole body energy homeostasis
Bijayashree Sahu, Naresh C. Bal
Biochimie.2023; 204: 92. CrossRef
The Role of Slit-2 in Gestational Diabetes Mellitus and Its Effect on Pregnancy Outcome
Yan Wang, Shihua Zhao, Wei Peng, Ying Chen, Jingwei Chi, Kui Che, Yangang Wang
Frontiers in Endocrinology.2022;[Epub] CrossRef
The Heartwarming Effect of Brown Adipose Tissue
Kelsey M. Pinckard, Kristin I. Stanford
Molecular Pharmacology.2022; 102(1): 39. CrossRef
New players of the adipose secretome: Therapeutic opportunities and challenges
Laetitia Coassolo, Niels Banhos Dannieskiold-Samsøe, Meng Zhao, Hobson Allen, Katrin J. Svensson
Current Opinion in Pharmacology.2022; 67: 102302. CrossRef
Serum CD14 concentration is associated with obesity and insulin resistance in non-diabetic individuals
Yea Eun Kang, Kyong Hye Joung, Ji Min Kim, Ju Hee Lee, Hyun Jin Kim, Bon Jeong Ku
Journal of International Medical Research.2022; 50(10): 030006052211300. CrossRef
Brown/Beige adipose tissues and the emerging role of their secretory factors in improving metabolic health: The batokines
Bilal Ahmad, Muhammad Sufyan Vohra, Mansab Ali Saleemi, Christopher J. Serpell, Isabel Lim Fong, Eng Hwa Wong
Biochimie.2021; 184: 26. CrossRef
Thermogenic Fat: Development, Physiological Function, and Therapeutic Potential
Bruna B. Brandão, Ankita Poojari, Atefeh Rabiee
International Journal of Molecular Sciences.2021; 22(11): 5906. CrossRef
Brown Adipose Crosstalk in Tissue Plasticity and Human Metabolism
Camilla Scheele, Christian Wolfrum
Endocrine Reviews.2020; 41(1): 53. CrossRef
Development of a Cell-Based Assay for the Detection of Neutralizing Antibodies to PF-06730512 Using Homogenous Time-Resolved Fluorescence
Michael Luong, Ying Wang, Stephen P. Berasi, Janet E. Buhlmann, Hongying Yang, Boris Gorovits
The AAPS Journal.2020;[Epub] CrossRef
Brown and beige fat: From molecules to physiology and pathophysiology
Stefania Carobbio, Anne-Claire Guénantin, Isabella Samuelson, Myriam Bahri, Antonio Vidal-Puig
Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids.2019; 1864(1): 37. CrossRef
Serum R-Spondin 1 Is a New Surrogate Marker for Obesity and Insulin Resistance
Yea Eun Kang, Ji Min Kim, Hyon-Seung Yi, Kyong Hye Joung, Ju Hee Lee, Hyun Jin Kim, Bon Jeong Ku
Diabetes & Metabolism Journal.2019; 43(3): 368. CrossRef
Deletion of Robo4 prevents high‐fat diet‐induced adipose artery and systemic metabolic dysfunction
Tam T. T. Phuong, Ashley E. Walker, Grant D. Henson, Daniel R. Machin, Dean Y. Li, Anthony J. Donato, Lisa A. Lesniewski
Microcirculation.2019; : e12540. CrossRef
Adipose Tissue-Derived Signatures for Obesity and Type 2 Diabetes: Adipokines, Batokines and MicroRNAs
Min-Woo Lee, Mihye Lee, Kyoung-Jin Oh
Journal of Clinical Medicine.2019; 8(6): 854. CrossRef
The role of brown and beige adipose tissue in glycaemic control
Katarina Klepac, Anastasia Georgiadi, Matthias Tschöp, Stephan Herzig
Molecular Aspects of Medicine.2019; 68: 90. CrossRef

Plasma Adiponectin Levels in Elderly Patients with Prediabetes: Si Eun Kong, Yea Eun Kang, Kyong Hye Joung, Ju Hee Lee, Hyun Jin Kim, Bon Jeong Ku; Endocrinol Metab. 2015;30(3):326-333. Published online August 4, 2015; DOI: https://doi.org/10.3803/EnM.2015.30.3.326

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Background

The significance of adiponectin levels in elderly individuals with prediabetes has yet to be determined. Thus, the present study was performed to evaluate the relationships between adiponectin levels and anthropometric variables, body composition parameters, insulin sensitivity, and lipid profiles in elderly prediabetic patients.

Methods

The present study included 120 subjects with prediabetes who were >65 years of age and were selected from among 1,993 subjects enrolled in the Korea Rural Genomic Cohort Study. All subjects underwent a 75 g oral glucose tolerance test and tests for measurement of insulin sensitivity. All diagnoses of prediabetes satisfied the criteria of the American Diabetes Association.

Results

Plasma adiponectin levels were lower in elderly prediabetic subjects than elderly subjects with normal glucose tolerance (P<0.01) as well as in elderly prediabetic patients with metabolic syndrome (MetS) than in those without MetS (P<0.02). When the subjects were categorized into two groups according to plasma adiponectin levels, the waist-to-hip ratio and 2-hour insulin levels were significantly lower in individuals with high plasma adiponectin levels than in those with low plasma adiponectin levels. Additionally, the plasma adiponectin levels of elderly prediabetic subject were inversely correlated with body mass index (BMI), waist circumference (WC), waist-to-hip ratio, visceral fat, visceral fat ratio, and 2-hour insulin levels.

Conclusion

The present findings demonstrated that the major factors correlated with adiponectin levels in elderly prediabetic subjects were BMI, WC, waist-to-hip ratio, visceral fat, visceral fat ratio, and 2-hour insulin levels.

Citations

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Differential Association of Selected Adipocytokines, Adiponectin, Leptin, Resistin, Visfatin and Chemerin, with the Pathogenesis and Progression of Type 2 Diabetes Mellitus (T2DM) in the Asir Region of Saudi Arabia: A Case Control Study
Mohammad Muzaffar Mir, Rashid Mir, Mushabab Ayed Abdullah Alghamdi, Javed Iqbal Wani, Zia Ul Sabah, Mohammed Jeelani, Vijaya Marakala, Shahzada Khalid Sohail, Mohamed O’haj, Muffarah Hamid Alharthi, Mohannad Mohammad S. Alamri
Journal of Personalized Medicine.2022; 12(5): 735. CrossRef
Postloading insulinemia is independently associated with arterial stiffness in young Japanese persons
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Mitochondrial Energy Metabolism and Thyroid Cancers: Junguee Lee, Joon Young Chang, Yea Eun Kang, Shinae Yi, Min Hee Lee, Kyong Hye Joung, Kun Soon Kim, Minho Shong; Endocrinol Metab. 2015;30(2):117-123. Published online June 30, 2015; DOI: https://doi.org/10.3803/EnM.2015.30.2.117

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Primary thyroid cancers including papillary, follicular, poorly differentiated, and anaplastic carcinomas show substantial differences in biological and clinical behaviors. Even in the same pathological type, there is wide variability in the clinical course of disease progression. The molecular carcinogenesis of thyroid cancer has advanced tremendously in the last decade. However, specific inhibition of oncogenic pathways did not provide a significant survival benefit in advanced progressive thyroid cancer that is resistant to radioactive iodine therapy. Accumulating evidence clearly shows that cellular energy metabolism, which is controlled by oncogenes and other tumor-related factors, is a critical factor determining the clinical phenotypes of cancer. However, the role and nature of energy metabolism in thyroid cancer remain unclear. In this article, we discuss the role of cellular energy metabolism, particularly mitochondrial energy metabolism, in thyroid cancer. Determining the molecular nature of metabolic remodeling in thyroid cancer may provide new biomarkers and therapeutic targets that may be useful in the management of refractory thyroid cancers.

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Development of Metabolic Synthetic Lethality and Its Implications for Thyroid Cancer
Sang-Hyeon Ju, Seong Eun Lee, Yea Eun Kang, Minho Shong
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Monensin Inhibits Anaplastic Thyroid Cancer via Disrupting Mitochondrial Respiration and AMPK/mTOR Signaling
Yanli Li, Qianshu Sun, Sisi Chen, Xiongjie Yu, Hongxia Jing
Anti-Cancer Agents in Medicinal Chemistry.2022; 22(14): 2539. CrossRef
Growth Differentiation Factor 15 is a Cancer Cell-Induced Mitokine That Primes Thyroid Cancer Cells for Invasiveness
Yea Eun Kang, Jin Man Kim, Mi Ae Lim, Seong Eun Lee, Shinae Yi, Jung Tae Kim, Chan Oh, Lihua Liu, Yanli Jin, Seung-Nam Jung, Ho-Ryun Won, Jae Won Chang, Jeong Ho Lee, Hyun Jung Kim, Hyun Yong Koh, Sangmi Jun, Sun Wook Cho, Minho Shong, Bon Seok Koo
Thyroid.2021; 31(5): 772. CrossRef
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Lei Wang, He-Xiang Cheng, Yan-Hui Zhou, Min Ma
OncoTargets and Therapy.2021; Volume 14: 3461. CrossRef
Transcriptomic and Genetic Associations between Alzheimer’s Disease, Parkinson’s Disease, and Cancer
Jaume Forés-Martos, Cesar Boullosa, David Rodrigo-Domínguez, Jon Sánchez-Valle, Beatriz Suay-García, Joan Climent, Antonio Falcó, Alfonso Valencia, Joan Anton Puig-Butillé, Susana Puig, Rafael Tabarés-Seisdedos
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A Novel PHEX Gene Mutation in a Patient with Sporadic Hypophosphatemic Rickets: Yea Eun Kang, Jun Hwa Hong, Jimin Kim, Kyong Hye Joung, Hyun Jin Kim, Bon Jeong Ku, Koon Soon Kim; Endocrinol Metab. 2014;29(2):195-201. Published online June 26, 2014; DOI: https://doi.org/10.3803/EnM.2014.29.2.195

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Phosphate regulating gene with homologies to endopeptidases on the X-chromosome (PHEX) is a common cause of X-linked hypophosphatemic (XLH) rickets. Diverse PHEX gene mutations have been reported; however, gene mutations in sporadic rickets are less common than in XLH rickets. Herein, we describe a 50-year-old female patient with sporadic hypophosphatemic rickets harboring a novel splicing-site mutation in the PHEX gene (c.663+1G>A) at the exon 5-intron 5 boundary. The patient had recently suffered from right thigh pain and an aggravated waddling gait. She also presented with very short stature, generalized bone pain, and muscle weakness. Despite low serum phosphate levels, her phosphate reabsorption rate was lower than normal. Additionally, her 1,25-dihydroxyvitamin D₃ concentration was lower than normal, although FGF23 level was normal. After treatment with alfacalcidol and elemental phosphate, her rachitic symptoms subsided, and callus formation was observed in the fracture site on the right femur.

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A pathogenic PHEX variant (c.1483-1G>C) in a Korean patient with X-linked hypophosphatemic rickets
In Hwa Jeong, Jae-Ho Yoo, Namhee Kim
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A novel de novo mosaic mutation in PHEX in a Korean patient with hypophosphatemic rickets
Misun Yang, Jinsup Kim, Aram Yang, Jahyun Jang, Tae Yeon Jeon, Sung Yoon Cho, Dong-Kyu Jin
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Propylthiouracil-Induced Antineutrophil Cytoplasmic Antibody-Positive Vasculitis and Agranulocytosis: A Rare Case with Life-Threatening Multiple Systemic Manifestations: Da Hyun Kang, Mi-Kyung Song, Sang-Hyeon Ju, Song-I Lee, Yea Eun Kang; Received December 14, 2022 Accepted February 14, 2023 Published online March 13, 2023; DOI: https://doi.org/10.3803/EnM.2022.1643 [Epub ahead of print]

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