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Science 28 September 1979:
Vol. 205. no. 4413, pp. 1414 - 1416
DOI: 10.1126/science.38505
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Articles

Science, Vol 205, Issue 4413, 1414-1416
Copyright © 1979 by American Association for the Advancement of Science

articles

Acetaminophen: potentially toxic metabolite formed by human fetal and adult liver microsomes and isolated fetal liver cells

DE Rollins, C von Bahr, H Glaumann, P Moldeus, and A Rane

A reactive metabolite of acetaminophen is hepatotoxic in humans when the drug is ingested in large overdoses. The ability of the human fetal and adult liver to oxidize acetaminophen by trapping the potentially toxic metabolite as a glutathione conjugate has been measured. Oxidation by fetal liver was approximately ten times slower than by adult liver. However, there was a definite increase in acetaminophen oxidation with fetal age. Isolated human fetal liver cells conjugated acetaminophen with sulfate but not with glucuronic acid. The results indicate that the human fetal liver is able to detoxify acetaminophen by conjugation. However, it also catalyzes the formation of an active metabolite of acetaminophen through oxidation. Hence the fetus remains at risk should a large dose of the drug cross into the fetal circulation.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Use of genetically manipulated Salmonella typhimurium strains to evaluate the role of sulfotransferases and acetyltransferases in nitrofen mutagenicity.
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Pharmacokinetics and metabolism of rectally administered paracetamol in preterm neonates.
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Human and Experimental Toxicology 9, 147-153
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Acetaminophen Poisoning in Infancy.
J. W. Greene, L. Craft, and F. Ghishan (1983)
Arch Pediatr Adolesc Med 137, 386-387
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Acetaminophen Overdose in the Third Trimester of Pregnancy.
A. J. Byer, T. R. Traylor, and J. R. Semmer (1982)
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