期刊
CYTOKINE
卷 43, 期 1, 页码 45-53出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cyto.2008.04.008
关键词
polymorphisms; cytokines; metabolic syndrome
资金
- NINDS NIH HHS [R01 NS40606, R01 NS040606-04, R01 NS040606] Funding Source: Medline
The aims of this study were to examine associations between two SNPs in the human IL-15 gene and three SNPs in the IL-15R alpha gene with predictors of metabolic syndrome and phenotypes in muscle, strength, and bone at baseline and in response to resistance training (RT). Subjects were Caucasians who had not performed RT in the previous year and consisted of a strength cohort (n = 748), volumetric cohort (n = 722), and serum cohort (n = 544). Subjects completed 12 weeks of unilateral RT of the non-dominant arm, using their dominant arm as an untrained control. ANCOVA analyses revealed gender-specific associations with: (1) IL-15 SNP (rs1589241) and cholesterol (p = 0.04), LDL (p = 0.02), the homeostasis model assessment (HOMA; p = 0.03), and BMI (p = 0.002); (2) IL-15 SNP (rs 1057972) and the pre- to post-training absolute difference in 1RM strength (p = 0.02), BMI (p = 0.008), and fasting glucose (p, = 0.03); (3) IL-15R alpha SNP (rs2296135) and baseline total bone volume (p = 0.04) and the pre- to post-training absolute difference in isometric strength (p = 0.01); and 4) IL-15R alpha SNP (rs2228059) and serum triglycerides (p = 0.04), baseline whole muscle volume (p = 0.04), baseline cortical bone volume (p = 0.04), and baseline muscle quality (p, = 0.04). All associations were consistent in showing a potential involvement of the IL-15 pathway with muscle and bone phenotypes and predictors of metabolic syndrome. (C) 2008 Elsevier Ltd. All rights reserved.
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