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Analyzing the Association of Visceral Adipose Tissue Growth Differentiation Factor-15 and MicroRNA in Type 2 Diabetes Mellitus

D. Roy,P. Purohit,Manoj Khokhar,A. Modi,R. Shukla,Ramkaran Chaudhary,Shrimanjunath Sakanagoudar,P. Sharma

Published 2023 in Journal of Obesity & Metabolic Syndrome

ABSTRACT

Background Growth differentiation factor-15 (GDF-15) is involved in insulin resistance and diabetes. In this study, we determine the associations of GDF-15 with miR-181b-5p, miR-330-3p, mothers against decapentaplegic homolog 7 (SMAD7), and insulin resistance in visceral adipose tissue (VAT) and peripheral blood mononuclear cells (PBMCs) in type 2 diabetes mellitus (T2DM) patients. Methods Sixty patients, equally divided into those with T2DM and non-diabetic controls, were recruited for gene expression analysis. Protein-protein interaction (STRING), target prediction (miRNet), and functional enrichment were conducted accordingly. Results Our study showed that VAT and PBMCs had similar expression profiles, where GDF-15 and miR-181b-5p were upregulated, whereas SMAD7 and miR-330-3p were downregulated. Serum GDF-15 could differentiate between T2DM and non-diabetic patients (P<0.001). Target prediction revealed a microRNA (miRNA)-messenger RNA regulatory network, transcription factors, and functional enrichment for the miRNA that suggested involvement in T2DM pathogenesis. Conclusion VAT GDF-15 is associated with insulin resistance and is possibly regulated by miR-181b-5p, miR-330-3p, and SMAD7 in T2DM.

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