PPARγ2 C1431T genotype increases metabolic syndrome risk in young men with low cardiorespiratory fitness

被引:8
作者
Sanada, Kiyoshi [1 ,2 ]
Iemitsu, Motoyuki [1 ]
Murakami, Haruka [3 ]
Tabata, Izumi [1 ]
Yamamoto, Kenta [3 ]
Gando, Yuko [4 ]
Suzuki, Katsuhiko [4 ]
Higuchi, Mitsuru [4 ]
Miyachi, Motohiko [3 ]
机构
[1] Ritsumeikan Univ, Coll Sport & Hlth Sci, Shiga 5258577, Japan
[2] Waseda Univ, Consolidated Res Inst Adv Sci & Med Care, Tokyo, Japan
[3] Natl Inst Hlth & Nutr, Tokyo 162, Japan
[4] Waseda Univ, Fac Sports Sci, Tokorozawa, Saitama, Japan
关键词
physical fitness; peroxisome proliferator-activated receptor gamma 2; health care research; maximal oxygen uptake; obesity gene; ACTIVATED-RECEPTOR-GAMMA; BODY-MASS INDEX; PPAR-GAMMA; PHYSICAL-ACTIVITY; PRO12ALA VARIANT; INSULIN-RESISTANCE; GENE; POLYMORPHISM; OBESE; SUBSTITUTION;
D O I
10.1152/physiolgenomics.00129.2010
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Sanada K, Iemitsu M, Murakami H, Tabata I, Yamamoto K, Gando Y, Suzuki K, Higuchi M, Miyachi M. PPAR gamma 2 C1431T genotype increases metabolic syndrome risk in young men with low cardiorespiratory fitness. Physiol Genomics 43: 103-109, 2011. First published December 14, 2010; doi:10.1152/physiolgenomics.00129.2010.-The peroxisome proliferator-activated receptor gamma 2 (PPAR gamma 2) genotypes are related to obesity and the metabolic syndrome (MetS). A low level of cardiorespiratory fitness is also a strong determining factor in the development of MetS. This cross-sectional study was performed to investigate the influence of the interaction between the PPAR gamma 2 genotype and cardiorespiratory fitness on the risk of MetS. Healthy Japanese men (n = 211) and women (n = 505) participated in this study. All subjects were divided into 8 groups according to sex, fitness level (high and low fitness groups), and age (younger, age < 40 yr; middle-aged/older, age >= 40 yr). The PPAR gamma 2 genotypes (Pro12Ala and C1431T) were analyzed by real-time PCR with Taq-Man probes. Two-way ANCOVA with adjustment for age as a covariate indicated that fitness and the CC genotype of C1431T in the PPAR gamma 2 gene interacted to produce a significant effect on MetS risk in younger men and that the risk of MetS in the CC genotype group with low cardiorespiratory fitness was significantly higher than that in the corresponding CT + TT genotypes or in the high fitness groups. There was no significant interaction between fitness and genotype in determining MetS risk in middle-aged/older men or in women in any group. With regard to the Pro12Ala genotype of the PPAR gamma 2 gene, there were no significant differences in fitness or genotype effects nor were there any interactions between measurement variables. We concluded that the CC genotype of C1431T in the PPAR gamma 2 gene together with low cardiorespiratory fitness may increase the risk of MetS in younger men (age < 40 yr), even with adjustment for age.
引用
收藏
页码:103 / 109
页数:7
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