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Resveratrol Inhibits Proliferation and Differentiation of Porcine Preadipocytes by a Novel LincRNA-ROFM/miR-133b/AdipoQ Pathway

Overview
Journal Foods
Specialty Biotechnology
Date 2022 Sep 9
PMID 36076875
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Abstract

Resveratrol (RES) has a wide range of biological and pharmacological activities with various health benefits for humans as a food additive. In animal production, RES has been considered a potential functional feed additive for producing high-quality pork. Long noncoding RNAs (lncRNAs) have emerged as essential regulators of fat metabolism, and phytochemicals can regulate fat metabolism through lncRNA. However, it is unclear whether RES can improve back-fat thickness by regulating lncRNA. In this study, we identified a novel lncRNA, which was named a long intergenic non-protein coding RNA, a regulator of fat metabolism (), from our previous lncRNA sequencing data. can inhibit adipocyte proliferation and differentiation. In-depth analyses showed that acts as a molecular sponge for and adiponectin (AdipoQ) is a direct target of in porcine preadipocytes. In addition, the expression of was positively correlated with AdipoQ. RES can promote the expression of by α and α. Altogether, our research showed that acts as a ceRNA to sequester and is upregulated by RES, leading to heightened AdipoQ expression, and thus decreased adipocyte proliferation and differentiation, which reduces back-fat thickness of pigs. Taken together, the AdipoQ regulatory network preliminarily explains the mechanism of action of RES in inhibiting fat deposition, which provides new insight into the downstream mechanism of RES inhibition of fat deposits by regulating the lncRNA.

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