Title : Ursolic acid attenuates diabetic mesangial cell injury through the up-regulation of autophagy via miRNA-21/PTEN/Akt/mTOR suppression.

Pub. Date : 2015

PMID : 25689721






4 Functional Relationships(s)
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1 Ursolic acid attenuates diabetic mesangial cell injury through the up-regulation of autophagy via miRNA-21/PTEN/Akt/mTOR suppression. ursolic acid microRNA 21 Homo sapiens
2 OBJECTIVE: To investigate the effect of ursolic acid on autophagy mediated through the miRNA-21-targeted phosphoinositide 3 kinase (PI3K)/protein kinase B (Akt)/mammalian target of rapamycin (mTOR) pathway in rat mesangial cells cultured under high glucose (HG) conditions. ursolic acid microRNA 21 Homo sapiens
3 Ursolic acid down-regulated miRNA-21 expression and up-regulated PTEN protein and mRNA expression. ursolic acid microRNA 21 Homo sapiens
4 CONCLUSIONS: Ursolic acid inhibits the glucose-induced up-regulation of mesangial cell miRNA-21 expression, up-regulates PTEN expression, inhibits the activation of PI3K/Akt/mTOR signaling pathway, and enhances autophagy to reduce the accumulation of the extracellular matrix and ameliorate cell hypertrophy and proliferation. ursolic acid microRNA 21 Homo sapiens