Endocrinology and Metabolism

Original Articles

Obesity and Metabolism
Adiposity in the Relationship between Serum Vitamin D Level and Insulin Resistance in Middle-Aged and Elderly Korean Adults: The Korea National Health and Nutrition Examination Survey 2008: Ji Hyun Kang, Sang Soo Kim, Seung Su Moon, Won Jin Kim, Min Jung Bae, Bo Gwang Choi, Yun Kyung Jeon, Bo Hyun Kim, Yong Ki Kim, In Joo Kim; Endocrinol Metab. 2013;28(2):96-102. Published online June 18, 2013; DOI: https://doi.org/10.3803/EnM.2013.28.2.96

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Background

The role of adiposity in the relationship between serum vitamin D levels and insulin resistance has not yet been fully studied. This aim of this study is to clarify the role of adiposity in the relationship between serum vitamin D level and insulin resistance among middle-aged and elderly Korean adults.

Methods

We used data from 2,710 individuals aged ≥50 years based on national data from a representative sample of the fourth Korea National Health and Nutrition Examination Survey IV-2 in 2008.

Results

After adjustment for potential confounders, body mass index (BMI) was significantly associated with 25(OH) vitamin D (P=0.008). However, waist circumference was not significantly associated with 25(OH) vitamin D. In the stratified analyses, 25(OH) vitamin D was found to be negatively associated with fasting insulin and homeostasis model assessment estimate of insulin resistance (HOMA-IR) in participants with BMIs ≥25 kg/m² (P=0.003 for both insulin and HOMR-IR) but was not found to be associated in those with BMIs <23 kg/m². However, we observed a significant inverse in the association of 25(OH) vitamin D with fasting insulin and HOMA-IR in both the normal (P=0.001 and P<0.001 and the abdominally obese group (P=0.010 and P=0.009) in the stratified analyses according to abdominal obesity.

Conclusion

Our results support that the idea that endogenously-produced vitamin D might be stored in subcutaneous fat deposits. In addition, the association of vitamin D with insulin resistance in middle-aged and elderly Korean adults was stronger when it was stratified by BMI than when abdominal obesity status.

Citations

Citations to this article as recorded by

A Novel Biosensor and Algorithm to Predict Vitamin D Status by Measuring Skin Impedance
Jin-Chul Heo, Doyoon Kim, Hyunsoo An, Chang-Sik Son, Sangwoo Cho, Jong-Ha Lee
Sensors.2021; 21(23): 8118. CrossRef
Gender specific association of parathyroid hormone and vitamin D with metabolic syndrome in population with preserved renal function
Min-Hee Kim, Jeongmin Lee, Jeonghoon Ha, Kwanhoon Jo, Dong-Jun Lim, Jung-Min Lee, Sang-Ah Chang, Moo-Il Kang, Bong Yun Cha
Scientific Reports.2018;[Epub] CrossRef
Association of serum 25-hydroxyvitamin D and diabetes-related factors in Korean adults without diabetes: The Fifth Korea National Health and Nutrition Examination Survey 2010–2012
Hyunah Kim, Hyunyong Lee, Hyeon Woo Yim, Hun-Sung Kim
Primary Care Diabetes.2018; 12(1): 59. CrossRef
Does the Risk of Metabolic Syndrome Increase in Thyroid Cancer Survivors?
Min-Hee Kim, Jin-young Huh, Dong-jun Lim, Moo-Il Kang
Thyroid.2017; 27(7): 936. CrossRef
Different effect of alcohol consumption on hypertension according to metabolic health status
H K Yang, K Han, Y-M Park, H-S Kwon, K-H Yoon, S-H Lee
Journal of Human Hypertension.2016; 30(10): 591. CrossRef
Serum 25-Hydroxyvitamin D Concentration Is Independently Inversely Associated with Insulin Resistance in the Healthy, Non-Obese Korean Population
So Young Ock, Kyoung Hwa Ha, Bu Kyung Kim, Hyeon Chang Kim, Jee-Seon Shim, Myung Ha Lee, Young Me Yoon, Dae Jung Kim
Diabetes & Metabolism Journal.2016; 40(5): 367. CrossRef
The Relationship Between the Level of Serum 25-Hydroxyvitamin D and Renal Function in Patients Without Chronic Kidney Disease: A Cross-Sectional Study
Young Jin Tak, Jeong Gyu Lee, Sang Heon Song, Yun Jin Kim, Sangyeoup Lee, Dong Wook Jung, Yu Hyeon Yi, Young Hye Cho, Eun Jung Choi, Hye Rim Hwang
Journal of Renal Nutrition.2015; 25(2): 88. CrossRef
Relationship between serum 25-hydroxyvitamin D concentration and risks of metabolic syndrome in children and adolescents from Korean National Health and Nutrition Examination survey 2008-2010
Dong Yup Lee, Ah Reum Kwon, Jung Min Ahn, Ye Jin Kim, Hyun Wook Chae, Duk Hee Kim, Ho-Seong Kim
Annals of Pediatric Endocrinology & Metabolism.2015; 20(1): 46. CrossRef
Lower serum zinc levels are associated with unhealthy metabolic status in normal-weight adults: The 2010 Korea National Health and Nutrition Examination Survey
H.K. Yang, S.H. Lee, K. Han, B. Kang, S.Y. Lee, K.H. Yoon, H.S. Kwon, Y.M. Park
Diabetes & Metabolism.2015; 41(4): 282. CrossRef
The Apparent Relation between Plasma 25-Hydroxyvitamin D and Insulin Resistance Is Largely Attributable to Central Adiposity in Overweight and Obese Adults
Christian S Wright, Eileen M Weinheimer-Haus, James C Fleet, Munro Peacock, Wayne W Campbell
The Journal of Nutrition.2015; 145(12): 2683. CrossRef
Vitamin D Status and Its Relation with Abdominal Adiposity and Cardiovascular Risk Factors of Korean Adults in Certain Areas
Sae-Ron Shin, A Lum Han, Seong-Hoon Park
The Korean Journal of Obesity.2015; 24(1): 30. CrossRef
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Seung‐Hwan Lee, Kyungdo Han, Hae Kyung Yang, Mee Kyoung Kim, Kun‐Ho Yoon, Hyuk‐Sang Kwon, Yong‐Moon Park
Clinical Endocrinology.2015; 82(2): 213. CrossRef
A novel criterion for identifying metabolically obese but normal weight individuals using the product of triglycerides and glucose
S-H Lee, K Han, H K Yang, H-S Kim, J-H Cho, H-S Kwon, Y-M Park, B-Y Cha, K-H Yoon
Nutrition & Diabetes.2015; 5(4): e149. CrossRef
Brief Review of Articles in 'Endocrinology and Metabolism' in 2013
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Environmental Research.2014; 133: 253. CrossRef
Low Vitamin D Serum Levels May Be a Modifiable Risk Factor for Obesity and Cognitive Impairment in Middle-Age Egyptian Women
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Open Access Macedonian Journal of Medical Sciences.2014; 2(2): 283. CrossRef

Predictive Factors for Incidental Contralateral Carcinoma in Patients with Unilateral Micropapillary Thyroid Carcinoma.: Jung Eun Huh, Sang Soo Kim, Ji Hyun Kang, Bo Gwang Choi, Byung Joo Lee, Jin Choon Lee, Yun Kyung Jeon, Bo Hyun Kim, Soo Geun Wang, Yong Ki Kim, In Joo Kim; Endocrinol Metab. 2012;27(3):194-199. Published online September 19, 2012; DOI: https://doi.org/10.3803/EnM.2012.27.3.194

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1 Crossref

Abstract PDF

BACKGROUND
Whether thyroid lobectomy alone is a sufficient treatment for papillary thyroid microcarcinoma (PTMC) remains controversial. The aim of this study is to evaluate the predictive factors for incidental contralateral carcinoma in patients confirmed of unilateral PTMC preoperatively. METHODS: Between January 2007 and December 2009, 393 patients underwent thyroid surgery for unifocal and unilateral PTMC preoperatively at Pusan National University Hospital. A total thyroidectomy with central neck dissection was routinely performed for these patients during this study period. RESULTS: Among the 393 cases in the cohort, 77 patients (19.6%) had incidental PTMC in the contralateral lobe. In patients with incidental contralateral carcinoma, there was higher prevalence in extrathyroid extension, occult ipsilateral carcinoma, pathologic Hashimoto's thyroiditis, and central lymph node metastasis compared to those without contralateral carcinoma. The mean tumor size also increased in patients with contralateral carcinoma. Multivariate logistic regression showed that extrathyroid extension (P = 0.049), occult ipsilateral carcinoma (P < 0.001), pathologic Hashimoto's thyroiditis (P = 0.038), and central lymph node metastasis (P = 0.002) were predictive factors for incidental contralateral carcinoma. CONCLUSION: In conclusion, multifocality in the ipsilateral lobe, central lymph node metastasis, extrathyroid extension, and Hashimoto's thyroiditis is associated with the presence of contralateral carcinoma. Thus, if these factors are found by preoperative and/or postoperative evaluation, total thyroidectomy or completion thyroidectomy is necessary for the treatment of PTMC.

Citations

Citations to this article as recorded by

Extent of surgery did not affect recurrence during 7‐years follow‐up in papillary thyroid cancer sized 1‐4 cm: Preliminary results
Min Joo Kim, Myung‐Chul Lee, Guk Haeng Lee, Hoon Sung Choi, Sun Wook Cho, Su‐jin Kim, Kyu Eun Lee, Young Joo Park, Do Joon Park
Clinical Endocrinology.2017; 87(1): 80. CrossRef

Case Report

Thyroid Dysfunction Induced by Metastatic Thyroid Cancer: Report of Two Cases.: Kang Hee Ahn, Bo Kyung Choi, Won Jin Kim, Bo Gwang Choi, Yun Kyung Jeon, Sang Soo Kim, Soo Hyung Lee, Bo Hyun Kim, Yong Ki Kim, In Ju Kim; Endocrinol Metab. 2010;25(4):370-373. Published online December 1, 2010; DOI: https://doi.org/10.3803/EnM.2010.25.4.370

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Abstract PDF: Metastases to the thyroid gland are not frequently observed in clinical practice, although an overall incidence of secondary thyroid malignant tumors has been reported to range from 1.25% to 24% in autopsy series. Generally, patients with metastatic thyroid cancer present with euthyroidism and they do not develop thyroid dysfunction. Thyroid dysfunctions, including hypothyroidism and hyperthyroidism, rarely occur in patients with metastatic thyroid cancer. We describe here a case of hypothyroidism induced by thyroid metastasis from cancer of an unknown primary site in a 53-year-old man and another case of thyrotoxicosis induced by thyroid metastasis from lung cancer in a 65-year-old man.

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