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饮食诱导肥胖大鼠脂肪细胞对瘦素反应影响 被引量:3

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摘要 瘦素具有促进脂肪分解、调节体重作用,但许多肥胖者血清瘦素水平增高,说明存在瘦素抵抗。细胞因子信号转导抑制因子3(suppressor of cytokine signaling-3,SOCS-3)可由瘦素诱导产生,而SOCS-3又可抑制瘦素信号通路。瘦素作用细胞SOCS-3活性增强是瘦素抵抗的潜在机制,也是人类肥胖的特性。瘦素可以直接调节脂肪细胞代谢,在脂肪细胞水平的瘦素抵抗可能也有助于肥胖发展,并且与2型糖尿病等疾病相联系。因此,本研究拟通过高脂膳食诱导大鼠发生肥胖,采用瘦素处理成熟脂肪细胞,检测细胞内甘油三酯含量及SOCS-3mRNA表达,为探讨肥胖及其相关疾病发病机制提供依据。
出处 《中国公共卫生》 CAS CSCD 北大核心 2012年第5期625-626,共2页 Chinese Journal of Public Health
基金 国家自然科学基金(30500409)
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