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L-methionine suppresses pathological sequelae of cis-platinum in the rat.

Abstract
The pathological changes characteristically observed in the kidney, bone marrow, thymus, spleen, and duodenum of the rat given 12.2 mg/kg of cis-platinum (CDDP) ip are reduced or eliminated when a CDDP solution containing a 20-fold excess of L-methionine to cis-platinum is administered. L-Methionine was also effective in reducing the renal toxicity induced by CDDP when given orally 20 min before the iv administration of 7.5 mg CDDP/kg. L-Methionine did not compromise the efficacy of CDDP when the antitumor activity of the combination of L-methionine and CDDP was measured against the Walker 256 carcinosarcoma in the rat. No significant reduction in the antitumor activity of the CDDP resulted from the parenteral administration of L-Methionine when evaluated against the L1210 murine leukemia. The oral administration of L-methionine (500 mg/kg) 30 min after the administration of CDDP has no significant effect on the antitumor activity of CDDP in mice bearing the L1210 murine leukemia. The results suggest that L-methionine may have some practical utility in the control of certain aspects of CDDP toxicity.
AuthorsM A Basinger, M M Jones, M A Holscher
JournalFundamental and applied toxicology : official journal of the Society of Toxicology (Fundam Appl Toxicol) Vol. 14 Issue 3 Pg. 568-77 (Apr 1990) ISSN: 0272-0590 [Print] UNITED STATES
PMID2340984 (Publication Type: Journal Article, Research Support, U.S. Gov't, P.H.S.)
Chemical References
  • Platinum
  • Methionine
  • Creatinine
  • Cisplatin
Topics
  • Animals
  • Blood Urea Nitrogen
  • Bone Marrow (pathology)
  • Carcinoma 256, Walker (drug therapy)
  • Cisplatin (antagonists & inhibitors, therapeutic use, toxicity)
  • Creatinine (blood)
  • Female
  • Kidney (pathology)
  • Leukemia L1210 (drug therapy)
  • Methionine (pharmacology)
  • Platinum (pharmacokinetics)
  • Rats
  • Rats, Inbred Strains
  • Spleen (pathology)
  • Thymus Gland (pathology)

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