Journal
BMC PHARMACOLOGY & TOXICOLOGY
Volume 22, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s40360-021-00494-x
Keywords
Alamandine; Doxorubicin; Kidney; Cytokine; Oxidative Stress; Apoptosis; Immunohistochemistry
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This study demonstrated that alamandine can protect against doxorubicin-induced nephrotoxicity in rats by reducing pro-inflammatory cytokines and pro-fibrotic proteins levels, as well as preserving renal function.
Background This study aimed to evaluate the protective effects of alamandine, a new member of the angiotensin family, against doxorubicin (DOX)-induced nephrotoxicity in rats. Methods Rats were intraperitoneally injected with DOX (3.750 mg/kg/week) to reach a total cumulative dose of 15 mg/kg by day 35. Alamandine (50 mu g/kg/day) was administered to the rats via mini-osmotic pumps for 42 days. At the end of the experiment, rats were placed in the metabolic cages for 24 h so that their water intake and urine output could be measured. After scarification, the rats' serum and kidney tissues were collected, and biochemical, histopathological, and immunohistochemical studies were carried out. Results DOX administration yielded increases in pro-inflammatory cytokines, including interleukin (IL)-1 beta and IL-6, pro-fibrotic proteins transforming growth factor-beta (TGF-beta), pro-inflammatory transcription factor nuclear kappa B (NF-kappa B), kidney malondialdehyde (MDA), creatinine clearance, blood urea nitrogen (BUN), and water intake. On the other hand, the DOX-treated group exhibited decreased renal superoxide dismutase (SOD), renal glutathione peroxidase (GPx) activity, and urinary output. Alamandine co-therapy decreased these effects, as confirmed by histopathology and immunohistochemical analysis. Conclusions The results suggest that alamandine can prevent nephrotoxicity induced by DOXleft-to-right mark in rats.
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