Abstract
Overdoses of Panadol (APAP) result in hepatic and renal toxicity. Up till now, there is no effective drug for APAP-enhanced nephrotoxicity. This work aims to explore the protective effects of N-acetylcysteine, Thymoquinone (THQ), Curcumin (CUR) and α-Lipoic acid (LA) either alone or in combination against APAP nephrotoxicity, focused on modulation of Bax/Bcl2 pathway. APAP was administrated at a single dose then treated with the fore mentioned antioxidants. APAP administration increased serum creatinine, urea, uric acid, tumor necrosis factor-α (TNF-α), and interleukin-1β (IL-1β) levels compared to control group. There is a marked depletion of reduced glutathione (GSH) levels and superoxide dismutase activity (SOD), Bax level was overexpressed, whereas Bcl2 was downregulated in renal tissue. Histopathological examination of the kidney tissue supported these biochemical findings. Treatment with the fore mentioned anti-oxidants ameliorated most of the previous evaluated parameters and returned the kidney nearly to its normal architecture. The expression of Bax and Bcl2 is considered one of the mechanisms underlying APAP-induced nephrotoxicity. The administration of THQ along with CUR could be a promising antidote for APAP renal damage through their antioxidant potential.
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