ArticleNephron. Experimental nephrology2011
The renin inhibitor aliskiren attenuates high-glucose induced extracellular matrix synthesis and prevents apoptosis in cultured podocytes.
Article in Nephron. Experimental nephrology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 12 citations in OpenAlex.
- Characterization of ferroptosis in kidney tubular cell death under diabetic conditions.Cell death & disease · 2021Article
- Inhibitory effects of peroxisome proliferator-activated receptor γ agonists on collagen IV production in podocytes.Molecular and cellular biochemistry · 2015Article
- Cells of renin lineage take on a podocyte phenotype in aging nephropathy.American journal of physiology. Renal physiology · 2014Article
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6 authors at 3 institutions in 1 country.
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Abstract
BACKGROUND/
aimsAltered extracellular matrix (ECM) remodeling and podocyte apoptosis are characteristic features of diabetic nephropathy (DN). Aliskiren (ALI) inhibits the renin-catalyzed conversion of angiotensinogen to angiotensin I. This study tested ALI's effect on podocyte ECM accretion and survival in a high-glucose environment in vitro.
methodsConditionally immortalized mouse podocytes were incubated in normal glucose (NG; 5.5 mM) or high glucose (HG; 40 mM) for 24-48 h with and without ALI (20 nM). Real-time RT-PCR was performed for fibronectin (FN), collagen α5(type IV) (Cola5IV), matrix metalloproteinases 2 and 9 (MMP2 and MMP9), and tissue inhibitor of metalloproteinases 1 and 2 (TIMP1 and TIMP2). Western blots were performed for FN, Cola5IV, MMP2, MMP9, TIMP1 and cleaved (activated) caspase-3.
resultsALI significantly reduced the mRNA and protein levels of FN, Cola5IV and TIMP1, and the mRNA of TIMP2 and cleaved caspase-3. ALI had no effect on MMP2 mRNA or protein or MMP9 mRNA tested under HG conditions. Under NG conditions, ALI had no effect on FN, Cola5IV, MMP2, MMP9 and activated caspase-3 proteins. ALI decreased the activated caspase-3 protein and evidence of apoptosis by TUNEL staining observed in podocytes cultured under HG conditions.
conclusionThese results show for the first time that renin inhibition with ALI mitigates the profibrotic and apoptotic effects of HG in cultured podocytes. These data strengthen the therapeutic rationale for renin inhibition with ALI beyond its hemodynamic effects.
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