Is the nephrotoxicity of (R)-3-chlorolactate in the rat caused by 3-chloropyruvate?

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  • Author(s): Dobbie MS;Dobbie MS; Porter KE; Jones AR
  • Source:
    Xenobiotica; the fate of foreign compounds in biological systems [Xenobiotica] 1988 Dec; Vol. 18 (12), pp. 1389-99.
  • Publication Type:
    Journal Article; Research Support, Non-U.S. Gov't
  • Language:
    English
  • Additional Information
    • Source:
      Publisher: Informa Healthcare Country of Publication: England NLM ID: 1306665 Publication Model: Print Cited Medium: Print ISSN: 0049-8254 (Print) Linking ISSN: 00498254 NLM ISO Abbreviation: Xenobiotica Subsets: MEDLINE
    • Publication Information:
      Publication: London : Informa Healthcare
      Original Publication: London, Taylor & Francis.
    • Subject Terms:
      Kidney/*drug effects ; Lactates/*toxicity; Animals ; Biotransformation ; In Vitro Techniques ; Kidney/metabolism ; Kidney Tubules/drug effects ; Kidney Tubules/metabolism ; Male ; Mitochondria/drug effects ; Mitochondria/metabolism ; Pyruvate Dehydrogenase Complex/antagonists & inhibitors ; Rats ; Rats, Inbred Strains ; Stereoisomerism
    • Abstract:
      1. When (R, S)-[3-36 Cl]chlorolactate was administered to male rats, two radioactive constituents were excreted in the urine. These were identified as 36Cl- and [3-36 Cl]chlorolactate which was subsequently shown to be essentially the (S)-isomer. 2. Analysis of the urinary oxalate content from rats receiving either (R)- or (S)-3-chlorolactate revealed that elevated levels were produced by the (R)-isomer whereas normal levels followed the administration of the (S)-isomer. 3. Treatment of (R,S)-3-chlorolactate with a modified Fenton's oxidizing system produced oxalate and an intermediate which was identified as 3-chloropyruvate. 4. 3-Chloropyruvate is a potent nephrotoxin in the rat producing a brief phase of diuresis when administered, increasing the urinary excretion of oxalate and inhibiting the oxidative metabolic capability of rat kidney tubules and rat kidney mitochondria in vitro. 5. Both (R)-3-chlorolactate and 3-chloropyruvate were shown to be inhibitors of the commercially-available pyruvate dehydrogenase complex. 6. 3-Chloropyruvate inhibits kidney mitochondrial metabolism possibly at the pyruvate dehydrogenase complex level and appears to be a metabolite of (R)- but not (S)-3-chlorolactate.
    • Accession Number:
      0 (Lactates)
      0 (Pyruvate Dehydrogenase Complex)
      1713-85-5 (3-chlorolactate)
    • Publication Date:
      Date Created: 19881201 Date Completed: 19890526 Latest Revision: 20141120
    • Publication Date:
      20221213
    • Accession Number:
      10.3109/00498258809042262
    • Accession Number:
      3245232