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Effects of soluble guanylate cyclase stimulator on renal function in ZSF-1 model of diabetic nephropathy. | LitMetric

Effects of soluble guanylate cyclase stimulator on renal function in ZSF-1 model of diabetic nephropathy.

PLoS One

Department of Cardiometabolic Diseases, Merck & Co., Inc., Kenilworth, NJ, United States of America.

Published: February 2022

AI Article Synopsis

Article Abstract

Background: Diabetic nephropathy is associated with endothelial dysfunction and oxidative stress, in which the nitric oxide-soluble guanylate cyclase-cyclic guanosine monophosphate (NO-sGC-cGMP) signaling pathway is impaired. We hypothesize that sGC stimulator Compound 1 can enhance NO signaling, reduce proteinuria in a diabetic nephropathy preclinical model with diminished NO bioavailability and increased oxidized sGC. Therefore, we evaluated the effect of sGC stimulator Compound 1 on the renal effect in obese ZSF1 (ZSF1 OB) rats.

Materials And Methods: The sGC stimulator Compound 1, the standard of care agent Enalapril, and a combination of Compound 1 and Enalapril were administered chronically to obese ZSF1 rats for 6 months. Mean arterial pressure, heart rate, creatinine clearance for glomerular filtration rate (eGFR), urinary protein excretion to creatinine ratio (UPCR), and urinary albumin excretion ratio (UACR) were determined during the study. The histopathology of glomerular and interstitial lesions was assessed at the completion of the study.

Results: While both Compound 1 and Enalapril significantly reduced blood pressure, the combination of Compound 1 and Enalapril normalized blood pressure levels. Compound 1 improved eGFR and reduced UPCR and UACR. A combination of Enalapril and Compound 1 resulted in a marked reduction in UPCR and UACR and improved GFR.

Conclusion: The sGC stimulator Compound 1 as a monotherapy slowed renal disease progression, and a combination of the sGC stimulator with Enalapril provided greater renal protection in a rodent model of diabetic nephropathy.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8794189PMC
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0261000PLOS

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