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Oxygen Uptake in Neonatal Rats: A Developmental Study with Particular Reference to the Effects of Chloramphenicol

Oxygen Uptake in Neonatal Rats: A Developmental Study with Particular Reference to the Effects of... Extract: Chloramphenicol (CHL) treatment in rats begun 0–2 hr after birth inhibited the increase in oxygen uptake, particularly the metabolic response to cold, during the first neonatal days. In rats treated for 5 days with CHL, a few hours after elimination of the drug from the body the tissue levels of ADP and Pi were significantly higher and the levels of ATP significantly lower than in controls. Furthermore, the presence of more than 0.2 mM free CHL in serum and liver caused a decrease in oxygen consumption and ATP levels and an increase in Pi levels. These changes, progressive with increasing CHL concentrations, appeared to be due to direct interference of CHL with mitochondrial electron transport. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pediatric Research Springer Journals

Oxygen Uptake in Neonatal Rats: A Developmental Study with Particular Reference to the Effects of Chloramphenicol

Pediatric Research , Volume 7 (11) – Nov 1, 1973

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References (20)

Publisher
Springer Journals
Copyright
Copyright © 1973 by International Pediatrics Research Foundation, Inc.
Subject
Medicine & Public Health; Medicine/Public Health, general; Pediatrics; Pediatric Surgery
ISSN
0031-3998
eISSN
1530-0447
DOI
10.1203/00006450-197311000-00009
Publisher site
See Article on Publisher Site

Abstract

Extract: Chloramphenicol (CHL) treatment in rats begun 0–2 hr after birth inhibited the increase in oxygen uptake, particularly the metabolic response to cold, during the first neonatal days. In rats treated for 5 days with CHL, a few hours after elimination of the drug from the body the tissue levels of ADP and Pi were significantly higher and the levels of ATP significantly lower than in controls. Furthermore, the presence of more than 0.2 mM free CHL in serum and liver caused a decrease in oxygen consumption and ATP levels and an increase in Pi levels. These changes, progressive with increasing CHL concentrations, appeared to be due to direct interference of CHL with mitochondrial electron transport.

Journal

Pediatric ResearchSpringer Journals

Published: Nov 1, 1973

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