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依帕列净调节糖尿病相关非编码RNA表达机制

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摘要 目的探讨依帕列净调节糖尿病相关非编码RNA表达的机制。方法选取6周龄的T2DM STZ模型小鼠,分成对照组和依帕列净组。依帕列净组小鼠通过饮食给药法,按照每天300 mg/kg给予依帕列净治疗,连续给药12 w。对照组小鼠给予相同饮食,但不含依帕列净。Western印迹法检测两组钠-葡萄糖协同转运蛋白(SGLT)2、核转录因子(NF-κB)的蛋白表达。比较两组不同时间体重及血糖。qRT-PCR检测两组SGLT2、Lnc-P12792、MALAT1、KCNQOT1、miR-370 mRNA表达。结果各时间点依帕列净组血糖均显著低于对照组(P<0.01)。但两组体重差异无统计学意义。与对照组比较,依帕列净组SGLT2蛋白及mRNA显著降低,Lnc-P12792、MALAT1 mRNA显著降低(P<0.05)。两组KCNQOT1 mRNA差异无统计学意义。结论依帕列净抑制SGLT2的分子机制可能是通过促进miR-370表达从而介导SGLT2 mRNA的降解并抑制其蛋白表达。
作者 上官同琴
出处 《中国老年学杂志》 CAS 北大核心 2022年第5期1183-1185,共3页 Chinese Journal of Gerontology
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