Sirt1 activation prevents anti-Thy 1.1 mesangial proliferative glomerulonephritis in the rat through the Nrf2/ARE pathway

European Journal of Pharmacology
Kaipeng HuangWentao Wei

Abstract

Mesangial proliferative glomerulonephritis (MsPGN) is characterized by glomerular mesangial cells proliferation and extracellular matrix deposition in mesangial area, which develop into glomerulosclerosis. Both silent information regulator 2-related protein 1 (Sirt1) and nuclear factor erythroid 2-related factor 2/anti-oxidant response element (Nrf2/ARE) pathway had remarkable renoprotective effects. However, whether Sirt1 and Nrf2/ARE pathway can regulate the pathological process of MsPGN remains unknown. Here, we found that Sirt1 activation by SRT1720 decreased mesangial hypercellularity and mesangial matrix areas, reduced renal Col4 and α-SMA expressions, lowered 24 h proteinuria, and eventually reduced FN and TGF-β1 expressions in rats received anti-Thy 1.1 IgG. Further study showed that SRT1720 markedly enhanced the activity of Nrf2/ARE pathway including promoting the nuclear content and ARE-binding ability of Nrf2, elevating the protein levels of HO-1 and SOD1, two target genes of Nrf2, which eventually increased total SOD activity and decreased malondialdehyde level in the kidney tissues of experimental anti-Thy 1.1 MsPGN rats. Taken together, Sirt1 prevented the pathological process of experimental anti-Thy 1.1 MsPGN th...Continue Reading

Citations

Sep 23, 2018·Journal of Pineal Research·Rüdiger Hardeland
Sep 6, 2020·International Journal of Molecular Sciences·Olga Martinez-ArroyoRaquel Cortes
Mar 14, 2019·International Journal of Molecular Sciences·Rüdiger Hardeland
Jul 3, 2021·International Journal of Molecular Sciences·Sonia TerriacaAugusto Orlandi

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