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linc-ADAIN是一种人类脂肪的lincRNA,通过调节KLF5和IL-8mRNA稳定性来调节脂肪生成

Marcella E O'Reilly¹, Sebastian Ho¹, Johana Coronel¹

¹Cardiometabolic Genomics Program, Division of Cardiology, Department of Medicine, Columbia University Medical Center, New York, NY, USA.

|May 16, 2024

概括

长非编码RNAADIPOSE抗炎药 (linc-ADAIN) 通常限制脂肪组织的扩张. 它对肥胖的下调促进炎症和胰岛素抵抗,导致2型糖尿病和心血管疾病.

科学领域:

分子生物学分子生物学
细胞生物学细胞生物学
内分泌学在内分泌学.

背景情况:

脂肪组织功能障碍,炎症和胰岛素抵抗是与肥胖相关的2型糖尿病和心血管疾病的关键.
长跨基因非编码RNAs (lincRNAs) 调节细胞功能,并与代谢疾病有关.

研究的目的:

为了研究linc-ADAIN的功能,一个脂肪特异性的lincRNA,在脂肪组织重塑和炎症.
阐明linc-ADAIN影响脂肪细胞功能和与肥胖有关的病理的分子机制.

主要方法:

在人类脂肪 stromal 细胞 (ASC) 和 in vivo 小鼠模型中,linc-ADAIN 的 Knockdown (KD).
对KLF5和IL-8 (IL-8) mRNA稳定性和翻译的分析.
在植入的ASC中评估脂肪细胞大小,脂质储存和巨细胞透.

主要成果:

linc-ADAIN KD通过与IGF2BP2的相互作用增加了KLF5和IL-8的mRNA稳定性和翻译.
KLF5和IL-8的上调导致体外和体内增强脂肪生成和炎症.
linc-ADAIN KD在植入的人类脂肪细胞中模仿肥胖引起的脂肪组织重塑,增加脂肪细胞大小和巨细胞透.

结论:

linc-ADAIN作为一种抗炎 lincRNA 作用,限制脂肪组织扩张和脂质积累.
林克-ADAIN的下调有助于脂肪组织功能障碍和炎症,加剧与肥胖相关的代谢疾病.

关键词:

CP:新陈代谢过程中的新陈代谢.科普:分子生物学分子生物学这就是 HuRR 的意思.在IGF2BP2BP2的基础上.它们的IL-8和IL-8是不同的.在KLF5KLF5KLF5KLF5 脂质生成 (adipogenesis) 是一种链接-ADAININ 在线链接-DMRT2 链接链接0123030 的链接长非编码RNA是什么意思肥胖肥胖肥胖肥胖肥胖肥胖肥胖肥胖

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