The rs1800629 polymorphism in the TNF gene interacts with physical activity on the changes in C-reactive protein levels in the finnish diabetes prevention study

  • T.O. K
  • D.E. L
  • T.A. L
  • et al.
ISSN: 0947-7349
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Abstract

Physical activity exerts anti-inflammatory effects, but genetic variation may modify its influence. In particular, the rs1800629 single-nucleotide polymorphism (SNP) in the tumor necrosis factor (TNF) gene and the rs1800795 SNP in the interleukin-6 (IL6) gene have been found to modify the effect of exercise training on circulating levels of C-reactive protein (CRP) and IL-6, respectively. We assessed whether rs1800629 and rs1800795 modified the effect of moderate-to-vigorous physical activity on changes in serum levels of high-sensitivity CRP and IL-6 in the Finnish Diabetes Prevention Study (DPS). Genotype and 1-year data on changes in physical activity, serum CRP and IL-6 were available for 390 overweight subjects with impaired glucose tolerance. The rs1800629 SNP in TNF interacted with the 1-year change in moderate-to-vigorous physical activity on changes in CRP among those who had high (≥3mg/L) baseline CRP levels (P=0.034 for interaction). Carriers of the GG genotype showed a greater decrease in CRP with increasing physical activity than the individuals with the A allele. No interaction between the rs1800795 SNP in IL6 and changes in moderate-to-vigorous physical activity on the 1-year change in serum IL6 was found. In conclusion, the rs1800629 SNP in the TNF gene may modify the effect of moderate-to-vigorous physical activity on serum levels of CRP. © Georg Thieme Verlag KG Stuttgart • New York.

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T.O., K., D.E., L., T.A., L., C., H., W., K., J., L., … J., T. (2010). The rs1800629 polymorphism in the TNF gene interacts with physical activity on the changes in C-reactive protein levels in the finnish diabetes prevention study. Experimental and Clinical Endocrinology and Diabetes, 118(10), 757–759. Retrieved from http://www.embase.com/search/results?subaction=viewrecord&from=export&id=L51159358

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