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Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
09:44

Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen

Published on: November 27, 2019

[Modification of liver enzymes in undernourished rats treated with acetaminophen]

Miriam González-Mendoza1, Nelson Vicuña-Fernández

  • 1Departamento de nutrición y alimentación, Escuela de Nutrición, Facultad de Medicina, Universidad de Los Andes, Mérida Venezuela.

Gaceta Medica De Mexico
|November 26, 2003
PubMed

Insights

Acetaminophen, commonly used for pain and fever, may cause liver damage in malnourished rats. This study highlights potential risks in undernourished populations, even at standard doses.

Area of Science:

  • Pharmacology
  • Toxicology
  • Nutritional Science

Context:

  • Acetaminophen is a widely used analgesic and antipyretic, often considered safe for children and pregnant women.
  • Undernutrition can alter drug metabolism and increase susceptibility to toxicity.
  • Assessing the safety of common medications in vulnerable populations is crucial.

Purpose:

  • To investigate the effects of a therapeutic dose of acetaminophen on undernourished rats.
  • To evaluate potential acetaminophen-induced hepatic lesions in the context of malnutrition.

Summary:

  • Undernourished rats treated with acetaminophen (100 mg/kg) showed decreased body and hepatic weight.
  • Serum albumin levels significantly decreased in undernourished rats, with or without acetaminophen treatment.
  • Activity of liver enzymes alanine aminotransferase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase significantly decreased in undernourished rats treated with acetaminophen.

Impact:

  • This study suggests that acetaminophen, even at a single non-toxic dose, can induce hepatic lesions in undernourished rats.
  • Malnutrition may increase susceptibility to acetaminophen-induced hepatotoxicity.
  • Findings underscore the need for caution when administering acetaminophen to undernourished individuals.

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