Dual Inhibition of Cannabinoid-1 Receptor and iNOS Attenuates Obesity-induced Chronic Kidney Disease.

British Journal of Pharmacology banner“Obesity, an important risk factor for developing chronic kidney disease (CKD), affects the kidneys by two main molecular signaling pathways: the endocannabinoid/CB1 R system, whose activation in obesity promotes renal inflammation, fibrosis, and injury; and the inducible nitric oxide synthase (iNOS), which generates reactive oxygen species resulting in oxidative stress. Hence, a combined peripheral inhibitory molecule that targets both CB1 R and iNOS may serve as an efficacious therapeutic agent against obesity-induced CKD.

KEY RESULTS:

Enhanced expression of CB1 R and iNOS in renal tubules was found in human kidney patients with obesity and other CKDs. The hybrid inhibitor ameliorated obesity-induced kidney morphological and functional changes via decreasing kidney inflammation, fibrosis, oxidative stress, and renal injury. Some of these features were independent of the improved metabolic profile mediated via inhibition of CB1 R. An additional interesting finding is that these beneficial effects on the kidney were partially associated with modulating renal adiponectin signaling.

CONCLUSIONS AND IMPLICATIONS:

Collectively, our results highlight the therapeutic relevance of blocking CB1 R and iNOS in ameliorating obesity-induced CKD.”

https://www.ncbi.nlm.nih.gov/pubmed/31454063

https://bpspubs.onlinelibrary.wiley.com/doi/abs/10.1111/bph.14849

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