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Nephrotoxicity of orellanine, a toxin from the mushroomCortinarius orellanus - Archives of Toxicology

  • ️Cantin, Danielle
  • ️Tue Mar 01 1988

Abstract

Pure orellanine extracted from the mushroomCortinarius orellanus is highly toxic in mice both when given intraperitoneally (LD50=12.5 mg/kg) or per os (LD50 =90 mg/kg). The kidneys of mice injected i.p. with orellanine show similar tubular necrosis to that obtained with whole mushroom given per os. This demonstrates that orellanine is the true, principal toxin ofC. orellanus. The similarity of the structures of the toxin and of bipyridinium herbicides such as methylviologen (paraquat) or the nephrotoxic diquat led other authors to presume a similar mechanism for orellanine toxicity. Our study of the electrochemical behaviour of orellanine shows that its mechanism of action has to be different from that of these poisons.

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Author information

Authors and Affiliations

  1. Laboratoire de Chimie et Toxicologie, Université J. Fourier, Grenoble, BP 138-38243, Meylan Cedex, France

    Jean-Michel Richard

  2. Laboratoire de Chimie Analytique, U. F. R. de Pharmacie, Université J. Fourier, Grenoble, BP 138-38243, Meylan Cedex, France

    Danielle Cantin

  3. Laboratoire d'Histologie, Embryologie et Cytogénétique, Faculté de Médecine, Université J. Fourier, Grenoble, BP 138-38243, Meylan Cedex, France

    Josette Louis

Authors

  1. Jean-Michel Richard

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  2. Josette Louis

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  3. Danielle Cantin

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Richard, JM., Louis, J. & Cantin, D. Nephrotoxicity of orellanine, a toxin from the mushroomCortinarius orellanus . Arch Toxicol 62, 242–245 (1988). https://doi.org/10.1007/BF00570151

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  • Received: 30 November 1987

  • Accepted: 06 April 1988

  • Issue Date: March 1988

  • DOI: https://doi.org/10.1007/BF00570151

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