Diabetes & Metabolism Journal

Kee Ho Song (Song KH)

6 Articles

Hypoglycemia due to Focal Nesidioblastosis in a Patient with Type 2 Diabetes Mellitus.: Eun Jung Lee, Kee Ho Song, Suk Kyeong Kim, Seong Hwan Chang, Dong Lim Kim; Korean Diabetes J. 2009;33(3):251-256. Published online June 1, 2009; DOI: https://doi.org/10.4093/kdj.2009.33.3.251

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Abstract PDF: We report a 45-year-old man with type 2 diabetes who presented with recurrent hypoglycemia. Biochemical and imagingstudies did not show any mass-like lesion in the pancreas, so prednisolone and diazoxide were administered for the treatment of hypoglycemia. However, the hypoglycemia persisted during and after the medical treatment. A selective arterial calcium stimulation test was performed and revealed a suspicious lesion at the head of the pancreas. The patient underwent enucleation of the pancreas head lesion. The lesion was confirmed histologically to be focal nesidioblastosis and surgical resection was successfully performed. The patient showed no hypoglycemic symptoms postoperatively.

A Case of Ketosis-Prone Type 2 Diabetes Mellitus.: Dong Lim Kim, Suk Kyeong Kim, Kee Ho Song; Korean Diabetes J. 2007;31(3):293-296. Published online May 1, 2007; DOI: https://doi.org/10.4093/jkda.2007.31.3.293

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Ketosis-prone type 2 diabetes (KPD) has been characterized as diabetes with severe insulin deficiency at diagnosis associated with ketosis or ketoacidosis without a precipitating cause. Improvement in beta-cell function and insulin sensitivity by aggressive diabetic management could allow discontinuation of insulin therapy within a few month of therapy. These subjects are usually obese, have a strong family history of diabetes, absence of beta-cell autoimmune markers and lack of human leukocyte antigen genetic association. This clinical presentation has been reported primarily in African and African Americans, but rare in Asian and white person. We recently experienced a case of KPD in Korea and present it with literature review.

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A Case of Autoantibody-Positive Ketosis-Prone Diabetes Mellitus
Bora Yoon, Gyuri Kim, Jae Hyun Bae, Yu Jung Yun, Yong Ho Lee, Byung Wan Lee, Chul Woo Ahn, Bong Soo Cha, Hyun Chul Lee, Eun Seok Kang
The Journal of Korean Diabetes.2016; 17(1): 60. CrossRef

Changes in the Prevalence of Metabolic Syndrome in a Rural Area of Korea Defined by Two Criteria, Revised National Cholesterol Education Program and International Diabetes Federation.: Jong Chul Won, Joong Yeol Park, Kee Ho Song, Woo Je Lee, Eun Hee Koh, Il Sung Nam-Goong, Sung Min Han, Moo Song Lee, Min Seon Kim, Ki Up Lee; Korean Diabetes J. 2007;31(3):284-292. Published online May 1, 2007; DOI: https://doi.org/10.4093/jkda.2007.31.3.284

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Abstract PDF

BACKGROUND
The prevalence of obesity is increasing in Korea, including rural areas. We examined the changes in the prevalence of metabolic syndrome (MetS), defined by revised National Cholesterol Education Program (NCEP) or International Diabetes Federation (IDF) criteria, in a rural area of Korea during the past 6 years. METHODS: A total of 1,119 subjects (424 men and 695 women) aged > or = 30 years were initially recruited in 1997. Baseline clinical data and various laboratory values were obtained. Six years later, we performed a follow-up study in 814 subjects (316 men and 498 women) of which 558 were original participants and 256 subjects were new. The prevalence of MetS was assessed by the criteria of NCEP or IDF. RESULTS: The prevalence of central obesity and impaired fasting glucose increased in both sexes during the period between 1997 and 2003. The prevalence of MetS according to the IDF criteria also increased. In men, the age-adjusted prevalence of MetS was 10.9% in 1997 and 23.3% in 2003. In women, it was 42.2% in 1997 and 43.4% in 2003. However, the prevalence of MetS according to the NCEP criteria increased only in men. CONCLUSION: There have been increases in the prevalence of central obesity and MetS according to the IDF criteria during the recent 6 years in a rural area of Korea.

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The Association between Midnight Salivary Cortisol and Metabolic Syndrome in Korean Adults
Yun-Mi Jang, Eun Jung Lee, Dong Lim Kim, Suk Kyeong Kim, Kee-Ho Song
Diabetes & Metabolism Journal.2012; 36(3): 245. CrossRef
The Diagnostic Criteria of Metabolic Syndrome and the Risk of Coronary Heart Disease according to Definitions in Men
Hyouk-Soo Seo, Sung-Hi Kim, Soon-Woo Park, Jong-Yeon Kim, Geon-Ho Lee, Hye-Mi Lee
Korean Journal of Family Medicine.2010; 31(3): 198. CrossRef
Metabolic syndrome is associated with erosive esophagitis
Jung Ho Park, Dong IL Park, Hong Joo Kim, Yong Kyun Cho, Chong IL Sohn, Woo Kyu Jeon, Byung Ik Kim
World Journal of Gastroenterology.2008; 14(35): 5442. CrossRef

Effects of Lovastatin on Free Fatty Acid Oxidation in Cultured L6 Rat Skeletal Muscle Cells.: Dong Lim Kim, Kee Ho Song, Hae Rim Kim, Suk Kyeong Kim; Korean Diabetes J. 2007;31(3):230-235. Published online May 1, 2007; DOI: https://doi.org/10.4093/jkda.2007.31.3.230

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Abstract PDF

BACKGROUND
Recent clinical studies suggest that statins improve insulin resistance and glucose metabolism in patients with metabolic syndrome and type 2 diabetes. To evaluate the possible mechanism of this action, we measured free fatty acid oxidation in cultured L6 rat skeletal muscle cell line. METHODS: Cultured L6 myotubes were treated with or without lovastatin (1, 5, 20 micrometer) for 24 hours or 48 hours and palmitate oxidation was measured. We also measured protein concentration of the cells. RESULTS: Lovastain increased palmitate oxidation in dose and time dependent manner in L6 myotubes (24 hr; 1 micrometer 119.2 +/- 11.9% of control, 5 micrometer 140.9 +/- 8.1%, 20 micrometer 150 +/- 5%, P = 0.05 vs control, respectively, 48 hr 1 micrometer 120.9 +/- 14.5%, 5 micrometer 176.6 +/- 28.2%, 20 micrometer 196.0 +/- 19.9%, P < 0.01 vs control, respectively). However, lovastatin decreased total cellular protein (24 hr: 1 micrometer 89.2 +/- 6.1% of control, 5 micrometer 79.3 +/- 7.6%, 20 micrometer 65.4 +/- 4.2%, P = 0.05 vs control, respectively, 48 hr: 1 micrometer 81.7 +/- 5.1%, 5 micrometer 58.6 +/- 11.9%, 20 micrometer 48.1 +/- 6.9%, P < 0.01 vs control, respectively). CONCLUSION: Lovastatin increased skeletal muscle free fatty acid oxidation in L6 rat skeletal muscle cells. This would be one of the mechanisms which lovastatin improves insulin resistance.

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Characterization and Mechanisms of Action of Avocado Extract Enriched in Mannoheptulose as a Candidate Calorie Restriction Mimetic
Donald K. Ingram, Paul J. Pistell, Zhong Q. Wang, Yongmei Yu, Stefan Massimino, Gary M. Davenport, Michael Hayek, George S. Roth
Journal of Agricultural and Food Chemistry.2021; 69(26): 7367. CrossRef

The Role of Plasma Adiponectin and Polymorphism of Adiponectin Gene in the Development of Type 2 Diabetes Mellitus.: Kee Ho Song, Joong Yeol Park; Korean Diabetes J. 2003;27(6):433-437. Published online December 1, 2003

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Abstract PDF: No abstract available.

Anti-obesity Effects of alpha-lipoic Acid in OLETF Rats.: Kee Ho Song, Ji Young Youn, Chul Nam Koong, Min Jeong Shin, Jae Won Ryu, Hye Sun Park, Min Seon Kim, Joong Youl Park, Ki Up Lee; Korean Diabetes J. 2002;26(6):460-468. Published online December 1, 2002

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Abstract PDF: BACKGROUND
Obesity is closely related to the development of type 2 diabetes mellitus, hypertension and cardiovascular disease. While the prevalence of obesity is rapidly increasing in most parts of the world, its effective treatment is not available due to the limited efficacy, and the side effects, of anti-obesity drugs. We unexpectedly found that administration of alpha-lipoic acid (ALA) resulted in a significant reduction in the body weight of rodents. This study aimed to investigate the mechanisms of the anti-obesity effect of ALA in the obese diabetic models of Otsuka Long Evans Tokushima (OLETF) rats. MATERIALS AND METHODS: Ten weeks old male OLETF rats were randomly assigned into one of three groups (n=6 per group): 1) the control group, fed with normal rat chow 2) the ALA group, fed with rat chow containing ALA (0.5% of food weight) and 3) the pair-fed group, fed with normal rat chow, but given the same amount of food as consumed by the ALA group. The body weight and food intakes were monitored for 3 weeks. At the end of the study, abdominal CT scans were performed to measure the visceral fat content. The energy expenditure and respiratory quotient were measured on days 3, 9 and 21 using an indirect calorimeter. The expression of the uncoupling protein-1 mRNA in the white and brown adipose tissues were determined by Northern blot analyses. The oxidation of fatty acids in the skeletal muscle, liver and adipose tissue was also measured. RESULTS: The administration of ALA induced a significant weight loss and reduction in food intake throughout the study period. The weight loss in the ALA group was greater than in the pair-fed group (p<0.05), suggesting an enhanced energy metabolism in the ALA group. In the ALA treated animals, the energy expenditure was significantly increased together with an elevated expression of UCP-1 mRNA in the brown, and an ectopic expression of UCP-1 mRNA in the white adipose tissues. The oxidation of fat in the brown adipose tissue and skeletal muscle was also increased after the ALA treatment, which was in line with the reduced respiratory quotient in the ALA group. The abdominal CT scan revealed a reduction in the visceral fat content in the ALA group compared to the control group. CONCLUSION: The present study demonstrated, for the first time, a novel anti-obesity action of ALA in obese OLETF rats, which proceeds through at least three different mechanisms: 1) reduction in food intake, 2) increase in energy expenditure and 3) enhancement of fat oxidation.

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