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Medical AI Inquiry: You was designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.  Labels: OBJECTIVE, METHODS, RESULTS. Meshes: Adult, Body Weight, Data Interpretation, Statistical, Female, Gene Frequency, Genotype, Humans, Insulin, Insulin Resistance, Linkage Disequilibrium, Lipids, Middle Aged, Obesity, Polymorphism, Single Nucleotide, Registries, Signal Transduction, Suppressor of Cytokine Signaling 3 Protein, Suppressor of Cytokine Signaling Proteins, United Kingdom.
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Are common polymorphisms in SOCS3 associated with body weight , insulin sensitivity or lipid profile in normal female twins? Context: Inhibition of signal transduction by suppressor of cytokine signalling-3 (SOCS-3) potentially influences resistance to insulin and leptin. The aim of this study was to test the association between three single-nucleotide polymorphisms (SNPs) representative of common linkage disequilibrium clusters in SOCS3 (rs4969169, rs12953258 and rs8064821) and obesity measures, insulin sensitivity measures and serum lipids in the general population. The three SNPs, which had rare allele frequencies >0.06, were genotyped in 2,777 female twins of European extraction (mean age 47.4+/-12.5 years) from the St Thomas' UK Adult Twin Registry (Twins UK). Minor allele frequencies were as follows: rs4969169=0.067, rs12953258=0.097 and rs8064821=0.101. Individual SOCS3 SNPs were not associated with general or central obesity, or with two indices of insulin sensitivity (homeostasis model assessment and insulin sensitivity measure).
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The results do not indicate that any of the three SNPs studied are associated with obesity, insulin measures or lipid measures. Final Decision: no