Riociguat ameliorates kidney injury and fibrosis in an animal model
2020
Sravani, Seereddy | Saifi, Mohd Aslam | Godugu, Chandraiah
Chronic kidney disease (CKD) is one of the greatest health burdens with an increasing global prevalence. Renal fibrosis (RF) is the hallmark of all forms of CKD which shows a strong positive correlation with severity of the disease. However, there are no therapeutic options available for treatment of RF. In the present study, we used an animal model based on unilateral ureteral obstruction (UUO), for renal injury and fibrosis. The UUO animals were treated with soluble guanylyl cyclase (sGC) stimulator, riociguat (RIO) (1, 3 and 10 mg/kg) to investigate its possible renoprotective effects. Kidneys of animals treated with RIO were found to show less abnormalities as compared to UUO control. Further, the levels of proinflammatory cytokines were reduced in RIO treated group. Furthermore, administration of RIO reduced expression of collagen-1, TGF-β, CTGF, α-SMA, vimentin along with transcription factors including Snail and Slug. The results of the present study provided strong evidence to support the antifibrotic activity of RIO.
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