Abstract
LncRNAs are reported to participate in multiple biological and pathological processes, including renal fibrosis due to obstructive nephropathy. However, the function and mechanisms of each lncRNA in this context differ. In this study, we created a fibrosis model in vitro using TGF-β1 treatment and in vivo through unilateral ureteral obstruction. We demonstrated that lncRNA6524 expression increased in both models, as confirmed by qPCR. Additionally, we discovered that lncRNA6524 mediates the TGF-β1-induced accumulation of extracellular matrix (ECM) proteins in BUMPT cells. We investigated the mechanism using dual luciferase reporter assays, immunofluorescence, and qPCR. Our results indicate that lncRNA6524 acts as a sponge for miR-92a-2-5p, promoting renal fibrosis by upregulating the Dvl1/Wnt/β-catenin signaling pathway. In summary, our findings demonstrate a linear regulatory relationship among lncRNA6524, miR-92a-2-5p, and the Dvl1/Wnt/β-catenin axis in renal epithelial cells during kidney obstruction. This highlights a new potential target for treating obstruction-related renal fibrosis.
Published Version
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