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[Association of peroxisome proliferator-activated-receptors-gamma C161-->T gene polymorphism with metabolic syndrome and dietary predisposition].

OBJECTIVE
To study the genotype frequencies of peroxisome proliferators-activated -receptors-gamma C161-->T gene and its possible association with the metabolic syndrome and dietary intakes.


METHODS
The PCR-PFLP method was used to detect the polymorphism of PPARgammaC161-->T gene of 224 adults with metabolic syndrome and 224 normal adults in Shanghai. Their physical examinations, dietary investigation and the serum biochemistry were analyzed.


RESULTS
(1) The genotype frequencies of PPARgamma C161-->T CC, CT and TT were 32.4%, 49.6% and 18.0% respectively, which were in agreement with Hardy-Weinberg equilibrium. There was no significant difference in the distribution of genotypes or allele between the metabolic syndrome group and the control group, and the result was the same between male and female subjects. (2) The levels of body mass index,waist width and hip width were significantly different among three genotypes groups. Subjects of the CT genotype had the highest levels. (3) There was significant difference in the negative correlation with the intake of protein and serum TG levels in the metabolic syndrome group.


CONCLUSION
The results suggested PPARgamma gene C161-->T should be associated with body mass index, waist width and hip width. It might contribute to the heterogeneity in diet response to TG.