Functional Polymorphism of IL-1 Alpha and Its Potential Role in Obesity in Humans and Mice

作者: Jae-Young Um , Hong-Kun Rim , Su-Jin Kim , Hye-Lin Kim , Seung-Heon Hong

DOI: 10.1371/JOURNAL.PONE.0029524

关键词: Body mass indexGenotypeImmunologyObesityTriglycerideCellular differentiationAdipose tissueIn vivoBiologyProinflammatory cytokineGeneral Biochemistry, Genetics and Molecular BiologyGeneral Agricultural and Biological SciencesGeneral Medicine

摘要: Proinflammatory cytokines secreted from adipose tissue contribute to the morbidity associated with obesity. IL-1α is one of proinflammatory cytokines; however, it has not been clarified whether may also cause In this study, we investigated polymorphisms in human A total 260 obese subjects were genotyped for C-889T (rs1800587) and G+4845T (rs17561). Analyses genotype distributions revealed that both (rs17561) an increase body mass index healthy women. addition, effect rs1800587 on transcriptional activity was explored pre-adipocyte 3T3-L1 cells. Significant difference found between polymorphism regulatory region gene activity. We extended these observations vivo a high-fat diet-induced mouse model vitro levels dramatically augmented mice, triglyceride increased 12 hours after injection. Taken together, treatment regulated differentiation preadipocytes. functional have critical function development

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