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The interaction between energy intake, physical activity and UCP2 -866G/A gene variation on weight gain and changes in adiposity: an Indonesian Nutrigenetic Cohort (INDOGENIC)

Muhammad HFL, Sulistyoningrum DC, Huriyati E, Lee YY, Muda WAMW

Br J Nutr, 2021 03 28;125(6):611-617.
PMID: 32746947 DOI: 10.1017/S0007114520003104

The present study aimed to investigate an interaction between energy intake, physical activity and UCP2 gene variation on weight gain and adiposity changes in Indonesian adults. This is a prospective cohort study conducted in 323 healthy adults living in the city of Yogyakarta, Indonesia. Energy intake, physical activity, body weight, BMI, percentage body fat and waist:hip ratio (WHR) were measured at baseline and after 2 years while UCP2 -866G/A gene variation was determined at baseline. We reported that after 2 years subjects had a significant increment in body weight, BMI, body fat and reduction in WHR (all P < 0·05). In all subjects, total energy intake was significantly correlated with changes in body weight (β = 0·128, P = 0·023) and body fat (β = 0·123, P = 0·030). Among subjects with the GG genotype, changes in energy intake were positively correlated with changes in body weight (β = 0·232, P = 0·016) and body fat (β = 0·201, P = 0·034). These correlations were insignificant among those with AA + GA genotypes (all P > 0·05). In summary, we show that UCP2 gene variation might influence the adiposity response towards changes in energy intake. Subjects with the GG genotype of UCP2 -866G/A gene were more responsive to energy intake, thus more prone to weight gain due to overeating.

Matched MeSH terms: Uncoupling Protein 2/genetics*
Uncoupling protein 2 gene (UCP2) 45-bp I/D polymorphism is associated with adiposity among Malaysian women

Say YH, Ban ZL, Arumugam Y, Kaur T, Tan ML, Chia PP, et al.

J Biosci, 2014 Dec;39(5):867-75.
PMID: 25431415

This study investigated the association of Uncoupling Protein 2 gene (UCP2) 45-bp I/D polymorphism with obesity and adiposity in 926 Malaysian subjects (416 males;265 obese; 102/672/152 Malays/Chinese/Indians). The overall minor allele frequency (MAF) was 0.14, while MAFs according to Malay/Chinese/Indian were 0.17/0.12/0.21. The polymorphism was associated with ethnicity, obesity and overall adiposity (total body fat percentage, TBF), but not gender and central adiposity (waist-hip ratio, WHR). Gender- and ethnicity-stratified analysis revealed that within males, the polymorphism was not associated with ethnicity and anthropometric classes. However, within females, significantly more Indians, obese and those with high TBF carried I allele. Logistic regression analysis among females further showed the polymorphism was associated with obesity and overall adiposity; however, when adjusted for age and ethnicity, this association was abolished for obesity but remained significant for overall adiposity [Odds Ratio (OR) for ID genotype = 2.02 (CI=1.18, 3.45; p=0.01); I allele =1.81 (CI=1.15, 2.84; p=0.01)]. Indeed, covariate analysis controlling for age and ethnicity also showed that those carrying ID genotype or I allele had significantly higher TBF than the rest. In conclusion, UCP2 45-bp I/D polymorphism is associated with overall adiposity among Malaysian women.

Matched MeSH terms: Uncoupling Protein 2
Fulltext The Gene-Lifestyle Interaction on Leptin Sensitivity and Lipid Metabolism in Adults: A Population Based Study

Luglio HF, Sulistyoningrum DC, Huriyati E, Lee YY, Wan Muda WAM

Nutrients, 2017 Jul 07;9(7).
PMID: 28686191 DOI: 10.3390/nu9070716

BACKGROUND: Obesity has been associated with leptin resistance and this might be caused by genetic factors. The aim of this study was to investigate the gene-lifestyle interaction between -866G/A UCP2 (uncoupling protein 2) gene polymorphism, dietary intake and leptin in a population based study.
METHODS: This is a cross sectional study conducted in adults living at urban area of Yogyakarta, Indonesia. Data of adiposity, lifestyle, triglyceride, high density lipoprotein (HDL) cholesterol, leptin and UCP2 gene polymorphism were obtained in 380 men and female adults.
RESULTS: UCP2 gene polymorphism was not significantly associated with adiposity, leptin, triglyceride, HDL cholesterol, dietary intake and physical activity (allp> 0.05). Leptin was lower in overweight subjects with AA + GA genotypes than those with GG genotype counterparts (p= 0.029). In subjects with AA + GA genotypes there was a negative correlation between leptin concentration (r= -0.324;p< 0.0001) and total energy intake and this correlation was not seen in GG genotype (r= -0.111;p= 0.188).
CONCLUSIONS: In summary, we showed how genetic variation in -866G/A UCP2 affected individual response to leptin production. AA + GA genotype had a better leptin sensitivity shown by its response in dietary intake and body mass index (BMI) and this explained the protective effect of A allele to obesity.

Matched MeSH terms: Uncoupling Protein 2/genetics*

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