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Jung Won Min 2 Articles
Clustering of Metabolic Risk Factors and Its Related Risk Factors in Young Schoolchildren.
Kyoung Ae Kong, Bo Hyun Park, Jung Won Min, Juhee Hong, Young Sun Hong, Bo Eun Lee, Namsoo Chang, Sun Hwa Lee, Eun Hee Ha, Hyesook Park
J Prev Med Public Health. 2006;39(3):235-242.
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AbstractAbstract PDF
OBJECTIVES
We wanted to determine the distribution of the clustering of the metabolic risk factors and we wanted to evaluate the related factors in young schoolchildren. METHODS: A cross-sectional study of metabolic syndrome was conducted in an elementary school in Seoul, Korea. We evaluated fasting glucose, triglyceride, HDL cholesterol, blood pressures and the body mass index, and we used parent-reported questionnaires to assess the potential risk factors in 261 children (136 boys, 125 girls). We defined the metabolic risk factors as obesity or at risk for obesity (> or = 85th percentile for age and gender), a systolic or diastolic blood pressure at > or = 90th percentile for age and gender, fasting glucose at > or = 110 mg/dl, triglyceride at > or = 110 mg/dl and HDL cholesterol at @40 mg/dl. RESULTS: There were 15.7% of the subjects who showed clustering of two or more metabolic risk factors, 2.3% of the subjects who showed clustering for three or more risk factors, and 0.8% of the subjects who showed clustering for four or more risk factors. A multivariate analysis revealed that a father smoking more than 20 cigarettes per day, a mother with a body mass index of = 25 kg/m2, and the child eating precooked or frozen food more than once per day were associated with clustering of two or more components, with the odds ratios of 3.61 (95% CI=1.24-10.48), 5.50 (95% CI=1.39-21.73) and 8.04 (95% CI=1.67-38.81), respectively. CONCLUSIONS: This study shows that clustering of the metabolic risk factors is present in young schoolchildren in Korea, with the clustering being associated with parental smoking and obesity as well as the child's eating behavior. These results suggest that evaluation of metabolic risk factors and intervention for lifestyle factors may be needed in both young Korean children and their parents.
Summary
Folate and Homocysteine Levels during Pregnancy affect DNA Methylation in Human Placenta.
Bo hyun Park, Young Ju Kim, Jong soon Park, Hwa young Lee, Eun hee Ha, Jung won Min, Hye sook Park
J Prev Med Public Health. 2005;38(4):437-442.
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AbstractAbstract PDF
OBJECTIVES
DNA methylation is one of the best characterized epigenetic mechanisms that play a regulatory role in genome programming and imprinting during embryogenesis. In this present study, we investigated the association between DNA methylation in the human placenta and the maternal folate and homocysteine concentrations on the Methylenetetrahydrofolatereductase (MTHFR) genetic polymorphism during pregnancy. METHODS: We investigated 107 pregnant women who visited Ewha Woman's University Hospital for prenatal care during their 24~28 weeks-period of gestation. During the second trimester, we measured the serum homocysteine and folate concentrations. The MTHFR 677 genetic polymorphism was determine by performing PCR-RFLP assay. The expression of DNA methylation in the human placentas was estimated by using immunohistochemistry method. RESULTS: Serum folate was negatively correlated with the serum homocysteine concentration for all the MTHFR genotypes. We found positive correlation between the folate concentrations and the DNA methylation in the human placenta (p< 0.05). An increasing concentration of homocysteine was associated with reduced DNA methylation in the human placenta. The coefficient value was -2.03 (-3.77, -0.29) on the regression model (p< 0.05). CONCLUSION: These findings suggest that the maternal folate and homocysteine levels along with the MTHFR 677 genetic polymorphism during pregnancy affect the DNA methylation in the human placenta.
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JPMPH : Journal of Preventive Medicine and Public Health