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Endocrinol Metab : Endocrinology and Metabolism


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Hyun Kim  (Kim H) 4 Articles
Polarized and Stage-Dependent Distribution of Immunoreactivity for Novel PDZ-Binding Protein Preso1 in Adult Neurogenic Regions
Eun Soo Lee, Woon Ryoung Kim, Younghwa Kim, Hyun Woo Lee, Hyun Kim, Woong Sun
Endocrinol Metab. 2014;29(3):349-355.   Published online September 25, 2014
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  • 35 Download
  • 1 Citations
AbstractAbstract PDFPubReader   

Adult neural stem cells have the potential for self-renewal and differentiation into multiple cell lineages via symmetric or asymmetric cell division. Preso1 is a recently identified protein involved in the formation of dendritic spines and the promotion of axonal growth in developing neurons. Preso1 can also bind to cell polarity proteins, suggesting a potential role for Preso1 in asymmetric cell division.


To investigate the distribution of Preso1, we performed immunohistochemistry with adult mouse brain slice. Also, polarized distribution of Preso1 was assessed by immunocytochemistry in cultured neural stem cells.


Immunoreactivity for Preso1 (Preso1-IR) was strong in the rostral migratory stream and subventricular zone, where proliferating transit-amplifying cells and neuroblasts are prevalent. In cultured neural stem cells, Preso1-IR was unequally distributed in the cell cytosol. We also observed the distribution of Preso1 in the subgranular zone of the hippocampal dentate gyrus, another neurogenic region in the adult brain. Interestingly, Preso1-IR was transiently observed in the nuclei of doublecortin-expressing neuroblasts immediately after asymmetric cell division.


Our study demonstrated that Preso1 is asymmetrically distributed in the cytosol and nuclei of neural stem/progenitor cells in the adult brain, and may play a significant role in cell differentiation via association with cell polarity machinery.


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  • Articles in 'Endocrinology and Metabolism' in 2014
    Won-Young Lee
    Endocrinology and Metabolism.2015; 30(1): 47.     CrossRef
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A Case of MELAS Syndrome Manifested by Insulin-deficient Diabetes Mellitus.
Hee Seog Jeong, Ji Young Kang, Hyun Kim, Kyu Ho Lee, Dal Sic Lee, Guan Yong Choi, Tae Geun Oh, Hyen Jeong Jeon
J Korean Endocr Soc. 2008;23(6):444-449.   Published online December 1, 2008
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  • 43 Download
  • 1 Citations
AbstractAbstract PDF
MELAS (mitochondrial encephalopathy, lactic acidosis, and stroke-like episodes) syndrome is characterized by stroke-like episodes before the age of 40, encephalopathy, seizures, dementia and lactic acidosis, and is caused by mutations in mitochondrial DNA. Diabetes mellitus and cardiac involvement are also frequently seen in MELAS syndrome. It is a classic mitochondrial disorder that shows a slow, chronic, progressive course, and presents with multiple organ involvement including the central nervous system, skeletal muscle, eye, cardiac muscle and gastrointestinal system.


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  • Characteristic Neuroimaging Findings in a Patient with Acute Metabolic Encephalopathy, Lactic Acidosis and Stroke-Like Episodes Syndrome Distinguishable from that of Acute Ischemic Stroke
    Hyodong Kim, Jung-ju Lee, Byung-kun Kim, Ohyun Kwon, Jong-moo Park, Kyusik Kang, Woong-woo Lee
    Journal of the Korean Neurological Association.2020; 38(1): 37.     CrossRef
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A Case of Ioslated TSH Deficiency.
Hyun Kim, Won Seob Kim, Soo Jin Choi, Dong Yoon Kim, Se Hyun Kim, Seung Min Park, Wan Koo Lee, Young Nam Kim
J Korean Endocr Soc. 1999;14(2):392-395.   Published online January 1, 2001
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Although complete or partial deficiency of anterior pituitary hormone is well known,but isolated TSH deficiency is relatively rare throughout the world. Hypothyroidism due to isolated TSH deficiency is diagnosed by 1)symptoms or signs of thyroid deficiency, 2)demonstration of an absent or impaired TSH response to TRH stimulation, 3)intact other pituitary hormones. We report a case of hypothyroidism due to isolated TSH deficiency. The patient was 75 years old man and his complaints were generalized edema and weight gain. On laboratory study, T3, T4, TSH was low and TSH response to TRH stimulation was blunted, but other piutuitary hormones were intact. After thyroxine replacement, TFT and his symptoms were recovered.
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A Case of Atypical Retroperitonealk Paraganglioma: Fatal paroxysmal adrenergic crisis and geart failure after sonographically guided biopsy of unsuspected paraganglioma.
Sung Koo Kang, Jong Min Lee, Sung Ro Yoon, Seok Young Kim, Jin Sung Moon, Hye Soo Kim, Young Jae Lee, Hye Kyung Bae, Hye Kyung Lee, Hyun Kim
J Korean Endocr Soc. 1998;13(2):280-287.   Published online January 1, 2001
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  • 16 Download
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Paraganglioma is an extraadrenal pheochromocytoma originating from chromaffin ceIls distributed in sympathetic nervous systems. This tumor often can produce catecholamines and induce sustained or paroxysmal hypertension, with or without the typical symptams of headache, palpitation and sweating. Paraganglioma without the usual clinical manifestations is not easy to suspect and diagnose. Herein, we report a case of atypical retroperitoneal paraganglioma which was thought to be the pancreas tail mass and result in a paroxysmal adrenergic crisis and fatal dilated cardiomyopathy after the sonographically guided percutaneous biopsy. This rare case warns against the usual practice of percutaneous biopsy for the preoperative diagnosis of intraabdominal or retmperitoneal tumors.
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