Gyeong Im Yu1, Sang Eun Jun2, Dong Hoon Shin3. 1. Department of Preventive Medicine, School of Medicine, Keimyung University, 1095 Dalgubeoldaero, Dalseo-Gu, Daegu, 42601, Korea. 2. College of Nursing, Keimyung University, 1095 Dalgubeoldaero, Dalseo-Gu, Daegu, 42601, Korea. 3. Department of Preventive Medicine, School of Medicine, Keimyung University, 1095 Dalgubeoldaero, Dalseo-Gu, Daegu, 42601, Korea. dhshin825@gmail.com.
Abstract
OBJECTIVE: Among the inflammatory mediators involved in the pathogenesis of obesity, cell adhesion molecules such as intercellular adhesion molecule-1 (ICAM-1) and vascular adhesion molecule-1 (VCAM-1) stand out. The aim of this study was to investigate the associations of ICAM-1 and VCAM-1 gene variants with obesity and to investigate the associations between these genetic polymorphisms and CRP, UA, and WBC count. METHOD: Four SNPs of the VCAM-1 gene (rs3176860, rs2392221, rs3917010 and rs3176879) and two SNPs of the ICAM-1 gene (rs281432 and rs5498) were analyzed in 181 control (18 < BMI < 23) and 144 obese (BMI ≥ 25) subjects. The SNPs were genotyped by direct sequencing. RESULTS: In allele frequency analysis, the G allelic frequency of rs3176860 in the VCAM-1 gene was lower in the obese group (30.9%) than in the controls (41.2%) (P = 0.007). The C allelic frequency of rs3917010 was lower in the obese group (18.1%) than in the control (25.1%) (P = 0.03). In the haplotype analysis of VCAM-1 gene, the ht1 (ACA) was higher and ht2 (GCC) was lower in the obese subjects than in the controls (P = 0.0057 and P = 0.037, respectively). In the obese group, participants carrying the G allele of rs3176860 of the VCAM-1 gene showed a higher percentage of segmented neutrophils and CRP levels than those carrying only the A allele (P = 0.028 and P = 0.042, respectively). CONCLUSIONS: The results of this study suggest that VCAM-1 gene variants may be related to obesity and inflammatory markers in the Korean population.
OBJECTIVE: Among the inflammatory mediators involved in the pathogenesis of obesity, cell adhesion molecules such as intercellular adhesion molecule-1 (ICAM-1) and vascular adhesion molecule-1 (VCAM-1) stand out. The aim of this study was to investigate the associations of ICAM-1 and VCAM-1 gene variants with obesity and to investigate the associations between these genetic polymorphisms and CRP, UA, and WBC count. METHOD: Four SNPs of the VCAM-1 gene (rs3176860, rs2392221, rs3917010 and rs3176879) and two SNPs of the ICAM-1 gene (rs281432 and rs5498) were analyzed in 181 control (18 < BMI < 23) and 144 obese (BMI ≥ 25) subjects. The SNPs were genotyped by direct sequencing. RESULTS: In allele frequency analysis, the G allelic frequency of rs3176860 in the VCAM-1 gene was lower in the obese group (30.9%) than in the controls (41.2%) (P = 0.007). The C allelic frequency of rs3917010 was lower in the obese group (18.1%) than in the control (25.1%) (P = 0.03). In the haplotype analysis of VCAM-1 gene, the ht1 (ACA) was higher and ht2 (GCC) was lower in the obese subjects than in the controls (P = 0.0057 and P = 0.037, respectively). In the obese group, participants carrying the G allele of rs3176860 of the VCAM-1 gene showed a higher percentage of segmented neutrophils and CRP levels than those carrying only the A allele (P = 0.028 and P = 0.042, respectively). CONCLUSIONS: The results of this study suggest that VCAM-1 gene variants may be related to obesity and inflammatory markers in the Korean population.
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