Transcriptomics

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Linc-ADAIN, A Human Adipose LincRNA Regulates Adipogenesis by Modulating KLF5 and IL-8 mRNA stability


ABSTRACT: Adipose tissue remodeling and dysfunction, characterized by increased inflammation and insulin resistance, play a central role in obesity-related development of type 2 diabetes (T2DM) and cardiovascular diseases. Long intergenic non-coding RNAs (lincRNAs) are important regulators of cellular functions. Here we describe the functions of linc-ADAIN (ADipose Anti-INflammatory), an adipose lincRNA that is downregulated in white adipose tissue of obese humans. We demonstrate that linc-ADAIN knockdown (KD) increases KLF5 and IL-8 mRNA stability and translation, by interacting with IGF2BP2. Upregulation of KLF5 and IL-8, via linc-ADAIN KD, led to an enhanced adipogenic program and adipose tissue inflammation, mirroring the obese state, in vitro and in vivo, KD of linc-ADAIN in human ASC hTERT adipocytes implanted into mice, increased adipocyte size and macrophage infiltration compared to implanted control adipocytes, mimicking hallmark features of obesity-induced adipose tissue remodeling. Linc-ADAIN is an anti-inflammatory lincRNA that limits adipose tissue expansion and lipid storage.

ORGANISM(S): Homo sapiens

PROVIDER: GSE263852 | GEO | 2024/04/16

REPOSITORIES: GEO

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