Concurrent administration of acetaminophen and ethanol: impact on mouse liver and testis
Abstract
OBJECTIVES: Acetaminophen (paracetamol) and alcohol are widely consumed as analgesic/antipyretic and recreational agent, respectively. High doses of both agents induce liver and male reproductive toxicities. This study investigated the toxicological outcome of concurrent administration of paracetamol and ethanol in the liver and testis in mice.
METHODS: Animals were gavaged paracetamol (250 mg/kg), ethanol (3 g/kg) or paracetamol + ethanol for 2 d. Some groups were sacrificed 12 h after the last dose, while others were sacrificed 21 d posttreatment for reversibility study. Control group received carboxymethylcellulose sodium (0.2%). Serum levels of liver biochemical indices and epididymal sperm were analysed. Histopathological analysis of the liver and testis were also performed.
RESULTS: Alkaline phosphatase (ALP), aspartate aminotransferase (AST), alanine aminotransferase (ALT), and bilirubin in serum were elevated (p<0.001); whereas albumin and total protein were reduced (p<0.001) in paracetamol or ethanol groups compared to control. In the combination group, only mild elevation of ALT (p<0.05) was observed. Additionally, hepatocyte necrosis occurred in the livers of paracetamol and ethanol groups, while only mild inflammatory changes were seen in the combination group. All liver indices were normal in reversibility study animals. Furthermore, sperm count, motility, viability and morphology did not change in all treated animals, except that sperm count was decreased…
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