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  • Title: Interaction between Calpain 5, Peroxisome proliferator-activated receptor-gamma and Peroxisome proliferator-activated receptor-delta genes: a polygenic approach to obesity.
    Author: Sáez ME, Grilo A, Morón FJ, Manzano L, Martínez-Larrad MT, González-Pérez A, Serrano-Hernando J, Ruiz A, Ramírez-Lorca R, Serrano-Ríos M.
    Journal: Cardiovasc Diabetol; 2008 Jul 25; 7():23. PubMed ID: 18657264.
    Abstract:
    CONTEXT: Obesity is a multifactorial disorder, that is, a disease determined by the combined effect of genes and environment. In this context, polygenic approaches are needed. OBJECTIVE: To investigate the possibility of the existence of a crosstalk between the CALPAIN 10 homologue CALPAIN 5 and nuclear receptors of the peroxisome proliferator-activated receptors family. DESIGN: Cross-sectional, genetic association study and gene-gene interaction analysis. SUBJECTS: The study sample comprise 1953 individuals, 725 obese (defined as body mass index > or = 30) and 1228 non obese subjects. RESULTS: In the monogenic analysis, only the peroxisome proliferator-activated receptor delta (PPARD) gene was associated with obesity (OR = 1.43 [1.04-1.97], p = 0.027). In addition, we have found a significant interaction between CAPN5 and PPARD genes (p = 0.038) that reduces the risk for obesity in a 55%. CONCLUSION: Our results suggest that CAPN5 and PPARD gene products may also interact in vivo.
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