BNIP3L promotes cardiac fibrosis in cardiac fibroblasts through [Ca²⁺]_i-TGF-β-Smad2/3 pathway.

ABSTRACT: Fibrosis is an important, structurally damaging event that occurs in pathological cardiac remodeling, leading to cardiac dysfunction. BNIP3L is up-regulated in pressure overload-induced heart failure and has been reported to play an important role in cardiomyocyte apoptosis; however, its involvement in cardiac fibroblasts (CFs) remains unknown. We prove for the first time that the expression of BNIP3L is significantly increased in the CFs of rats undergoing pressure overload-induced heart failure. Furthermore, this increased BNIP3L expression was confirmed in cultured neonatal rat CFs undergoing proliferation and extracellular matrix (ECM) protein over-expression that was induced by norepinephrine (NE). The overexpression or suppression of BNIP3L promoted or inhibited NE-induced proliferat

SUBMITTER: Liu W 

PROVIDER: S-EPMC5432493 | biostudies-literature | 2017 May

REPOSITORIES: biostudies-literature