Acute myocardial effects of chloramphenicol in newborn pigs: A possible insight into the gray baby syndrome

John C. Werner, Victor Whitman, H. Gregg Schuler, Raymond R. Fripp, Anne M. Rannels, Claudia Kasales, Kathryn F. La Noue

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Mechanical function and mitochondrial respiration were observed in newborn pig hearts in the presence of chloramphenicol. Isolated perfused hearts exposed to chloramphenicol (25, 50, or 100) demonstrated acute reductions in pressure development and cardiac output accompanied by elevated left atrial filling pressure. The effects of chloramphenicol and chloramphenicol succinate (25, 50, 100, or 200) on oxidative activity of isolated mitochondria were also investigated. With unesterified chloramphenicol, inhibition of state 3 respiration was most apparent when glutamate and palmity1carnitine were supplied as substrates. Inhibition of mitochondrial oxidation of succinate or glutamate was only detectable at 200. Inhibition of ketoglutarate oxidation was not seen at any concentration of antibiotic studied. Chloramphenicol succinate most strongly inhibited state 3 oxidation of succinate and ketoglutarate and had relatively mild effects on oxidation of glutamate and palmitylcarnitine. Succinate oxidation by submitochondrial particles was unaffected by chloramphenicol succinate, a result suggesting interference with succinate transport.

Original languageEnglish (US)
Pages (from-to)344-350
Number of pages7
JournalJournal of Infectious Diseases
Volume152
Issue number2
DOIs
StatePublished - Aug 1 1985

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Succinic Acid
Chloramphenicol
Swine
Glutamic Acid
Respiration
Palmitoylcarnitine
Submitochondrial Particles
Atrial Pressure
Cardiac Output
Mitochondria
Anti-Bacterial Agents
Pressure
chloramphenicol succinate

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Infectious Diseases

Cite this

Werner, John C. ; Whitman, Victor ; Schuler, H. Gregg ; Fripp, Raymond R. ; Rannels, Anne M. ; Kasales, Claudia ; La Noue, Kathryn F. / Acute myocardial effects of chloramphenicol in newborn pigs : A possible insight into the gray baby syndrome. In: Journal of Infectious Diseases. 1985 ; Vol. 152, No. 2. pp. 344-350.
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Acute myocardial effects of chloramphenicol in newborn pigs : A possible insight into the gray baby syndrome. / Werner, John C.; Whitman, Victor; Schuler, H. Gregg; Fripp, Raymond R.; Rannels, Anne M.; Kasales, Claudia; La Noue, Kathryn F.

In: Journal of Infectious Diseases, Vol. 152, No. 2, 01.08.1985, p. 344-350.

Research output: Contribution to journalArticle

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