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Our previous study revealed that miR‑148a, a cyclic adenosine monophosphate‑response element binding protein‑modulated microRNA that promotes adipocyte differentiation by inhibiting Wnt1, is a biomarker of obesity in human subjects and a mouse model. The present study investigated the expression of miR‑148a in human adipose tissue‑derived mesenchymal stem cells (hMSCs‑Ad) in response to inflammatory cytokines and adipokines to clarify its underlying mechanism. miR‑148a expression was detected using reverse transcription‑quantitative polymerase chain reaction analysis and its promoter activity was detected with a luciferase assay. miR‑148a expression levels decreased when differentiated hMSCs‑Ad were exposed to inflammatory cytokines or adipokines, which suggested that miR‑148a may be important in adipocyte metabolism and inflammation. Furthermore, the promoter activity of miR‑148a decreased following treatment of cells with inflammatory cytokines or adipokines. The results of the present study indicated a novel role of miR‑148a in adipocyte inflammation; therefore, miR‑148a may be involved in obesity complications via its own underlying transcriptional mechanism.

Obesity-associated miR-148a is regulated by cytokines and adipokines via a transcriptional mechanism