Diabetes & Metabolism Journal

Nam Keong Kim (Kim NK)

2 Articles

A Case of Cured Diabetes Mellitus after Occult Malignant Pheochromocytoma Removal.: Ho Chan Cho, Hye Soon Kim, Yoon Jung Kim, Yu Jin Hah, Nam Keong Kim, Mi Kyung Kim, Keun Gyu Park, Yong Hoon Kim, Sun Young Kwon; Korean Diabetes J. 2007;31(6):520-524. Published online November 1, 2007; DOI: https://doi.org/10.4093/jkda.2007.31.6.520

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Pheochromocytoma is characterized by a combination of various clinical manifestations that include the classic triad of severe headache, palpitations and diaphoresis. In addition, hyperglycemia can be caused by overproduction of catecholamines, which are secreted by a catecholamine-secreting neoplasm of adrenal or extra-adrenal chromaffin tissue. We encountered a case of diabetes with an occult malignant adrenal pheochromocytoma, who did not have any classic manifestations. A 37-year-old male was admitted because of polydipsia, polyuria, and weight loss. Fasting blood glucose level was 497 mg/dL, hemoglobin A1c level was 15%, and diabetic retinopathy and peripheral polyneuropathy were also accompanied. Incidentally, right adrenal mass was detected by ultrasonography of abdomen. Urinary excretion of total metanephrine and epinephrine were elevated. Adrenal CT showed a 7.1 cm sized right adrenal cystic mass with enhancing solid portion and hemorrhagic content. The scan with 123I-MIBG revealed the cystic mass with increased rim uptake in the region of right adrenal gland. After removal of the tumor, the increased levels of catecholamine were normalized. Moreover, blood glucose level was normalized without administration of insulin or oral hypoglycemic agents. The pathologic examination showed that the neoplasm was a malignant adrenal pheochromocytoma. We report this case that diabetes was cured after removal of malignant tumor with literature review at first in Korea.

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Pheochromocytoma with Markedly Abnormal Liver Function Tests and Severe Leukocytosis
Chai Ryoung Eun, Jae Hee Ahn, Ji A Seo, Nan Hee Kim
Endocrinology and Metabolism.2014; 29(1): 83. CrossRef

Ascochlorin Derivative, AS-6, Inhibits TNF-alpha-Induced fractalkine, MCP-1 and VCAM-1 Expression in Rat Aortic Smooth Muscle Cells.: Young Yun Jang, Sang Yoon Kim, Nam Keong Kim, Mi Kyung Kim, Hee Kyoung Kim, Hye Soon Kim, Chang Wook Nam, Seong Yeol Ryu, Sung Il Nam, Keun Gyu Park; Korean Diabetes J. 2005;29(5):401-408. Published online September 1, 2005

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Abstract PDF: BACKGOUND: Inflammation is one of the key mechanisms in the development and progression of atherosclerosis. Accumulating evidence suggests that peroxisome proliferators- activated receptorgamma(PPARgamma) plays an important role in the prevention of arterial inflammation and the formation of atherogenesis. This study was designed to evaluate whether the new synthetic PPARgamma, ascochlorin-6(AS-6) has anti-inflammatory and anti-atherogenic effects in primary cultured rat vascular smooth muscle cells(VSMCs). METHODS: Rat VSMCs were isolated and cultured. Northern and Western blot analyses were performed to evaluate the effects of AS-6 on the expressions of tumor necrosis factor (TNF)-alpha-stimulated fractalkine, monocyte chemoattractant protein(MCP)-1 and vascular cell adhesion molecule (VCAM)-1 in VSMCs. A gel shift assay was performed to examine the mechanism by which AS-6 inhibits the expressions of fractalkine, MCP-1 and VCAM-1. RESULTS: TNF-alpha markedly induced the expressions of fractalkine, MCP-1 and VCAM-1 in primary cultured VSMCs. AS-6 inhibited the expressions of TNF-alpha-stimulated fractalkine, MCP-1 and VCAM-1 in primary cultured VSMCs. The result of the gel shift assay suggested the inhibitory effects of AS-6 on the expressions of TNF-alpha-stimulated fractalkine, MCP-1 and VCAM-1 were mediated through a nuclear factor kappaB associated pathway. CONCLUSION: The present study shows that AS-6 has anti-inflammatory effects on VSMCs, suggesting the possibility for the use of AS-6 for prevention of the development and progression of atherosclerosis.

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