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Background: Paracetamol (acetaminophen) is an over-the-counter non-steroidal anti-inflammatory drug that may cause acute toxic overdosage particularly in neuropsychiatric patients. Paracetamol is also very commonly prescribed as an analgesic and antipyretic agent. Paracetamol toxicity causes decreased reduced glutathione and oxidative tissue damage. Aleppo galls is a promising natural remedy exerting antioxidant and tissue-protective effects that may combat acetaminophen-induced oxidative tissue damage., Methodology: Biochemical and toxicological effects of a toxic dose of paracetamol (250 mg/kg) were investigated for three consecutive days versus the tissue-protective effects of Aleppo galls. Eighteen white albino mice were randomly allocated in this study and divided into three experimental groups (six mice per group): negative control (received intraperitoneal sterile water injection), paracetamol toxicity group (received intraperitoneal paracetamol injection) and the third group (received paracetamol injection at 250 mg/kg/day together with oral Aleppo galls treatment at 250 mg/kg/day for 3 consecutive days). All mice were sacrificed by the end of the study., Results: Our data revealed that paracetamol toxicity exerted significant oxidative stress damaging effects (high serum malondialdehyde, decreased serum catalase and decreased total antioxidant capacity), and significant inflammatory effects (high serum IL-6) and significant tissue-damaging effects (high serum LDH). Aleppo galls treatment significantly protected against acetaminophen toxicity-induced oxidative stress effects (P<0.001), inflammatory effects (P<0.001) and tissue-damaging effects (P<0.001)., Conclusion: Aleppo galls are promising for future drug therapeutics and for the synthesis of natural remedies for treating paracetamol toxicity. We recommend formulating Aleppo galls extract as a pharmaceutical nutrition and to be given to those who need to take large doses of paracetamol., Competing Interests: None., (IJPPP Copyright © 2023.)

Background: Acute paracetamol toxicity is a common and potentially life-threatening emergency causing liver failure that may necessitate liver transplantation. Unfortunately, current therapies are still defective., Objectives: To investigate the protective effects exerted by Aleppo galls (Quercus infectoria Olivier) extract against acute paracetamol toxicity in mice., Methodology: Eighteen mice were divided into three experimental groups, each included six mice in each group. The groups included: negative control group, paracetamol toxicity group that received an acute toxic intraperitoneal dose of paracetamol (250 mg/kg) for four consecutive days, and treatment group (received 250 mg/kg paracetamol followed few hours later by Aleppo galls extract for the same duration). Animals were anaesthetized using ether anaesthesia. Animals were sacrificed by decapitation and blood samples were drawn. Paracetamol toxicity effects versus Aleppo galls protection were evaluated on liver function tests, liver histology, serum cholesterol and serum triglycerides., Results: Acute paracetamol toxicity caused significantly elevated serum transaminases (ALT and AST), decreased serum albumin, and increased serum cholesterol and triglycerides. Aleppo galls extract exerted significant protective effects and restored near normal serum levels of the previously-mentioned parameters. Upon histopathological evaluation, mice in the control group showed normal hepatic architecture with preserved hepatic cords and sinuses. Acute paracetamol toxicity induced peripheral zonal degeneration with focal necrosis of the hepatic tissue. The hepatocytes showed cytoplasmic vacuolation with indistinct cell borders. Central hepatic venules were congested. Administration of Aleppo galls extract reduced the tissue damaging effects induced by paracetamol toxicity with only minimal residual degenerative changes that were observed with absent necrosis., Conclusion: Quercus infectoria Olivier (Aleppo galls) is a promising source of phytochemicals and future therapeutics., Competing Interests: None., (IJBMB Copyright © 2023.)