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Carcinogenic effects in the syrian golden hamster of N-methyl-N-formylhydrazine of the false morel mushroom gyromitra esculenta

Carcinogene Wirkungen von N-Methyl-N-formylhydrazin aus der eßbaren Frühlingslorchel Gyromitra esculenta auf Syrische Goldhamster

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  • Experimental Oncology
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Zusammenfassung

N-Methyl-N-formylhydrazin (MFH)_wurde als 0,0078% ige Lösung in Trinkwasser an Syrische Goldhamster eigener Kolonie ab einem Alter von 6 Wochen auf Lebenszeit verabreicht. Die Behandlung rief benigne und maligne Leberzelltumoren, maligne Histiocytome und Tumoren der Gallenblase und der Gallengänge vor. Die Tumorinzidenz erreichte in diesen vier untersuchten Geweben 43, 34, 11 bzw. 8%, während sie bei den unbehandelten Kontrollen jeweils 0% betrug. Histologisch wurden die Tumoren als benigne Hepatome, hepatozelluläre Carcinome, maligne Histiocytome, Adenome und Ardenocarcinome der Gallenblase, Cholangiome und Cholangiocarcinome klassifiziert. Die eßbare Frühlingslorchel enthält eine beträchtliche Menge an N-Methyl-N-formylhydrazin. In Anbetracht seiner bereits früher berichteten Carcinogenität an Mäusen und jetzt an Hamstern, sollten Menschen auf den Genuß dieses Pilzes verzichten.

Summary

N-Methyl-N-formylhydrazine (MFH) was administered in drinking water as a 0.0078% solution oto randomly bred Syrian golden hamsters for life beginning at 6 weeks of age. The treatment gave rise to benign and malignant liver cell tumors, malignant histiocytomas and tumors of tha gall bladder and bile ducts. The tumor incidence in these four treated tissues was 43, 34, 11,8%, while in untreated controls it was 0, 0, 0, 0%, respectively. Histopathologically, tumors were classified as benign hepatomas, liver cell carcinomas, malignant histiocytomas, adenomas and adenocarcinomas of the gall bladder, cholangiomas, and cholangiocarcinomas.

The edible false morel mushroom contains a substantial amount of N-methyl-N-formylhydrazine. In view of its earlier reported carcinogenicity in mice and now in hamsters, the human population should obviously abandon the consumption of this fungus.

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Supported by USPHS Contract NO1 CP33278 from the National Cancer Institute, NIH, USA

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Toth, B., Patil, K. Carcinogenic effects in the syrian golden hamster of N-methyl-N-formylhydrazine of the false morel mushroom gyromitra esculenta. J Cancer Res Clin Oncol 93, 109–121 (1979). https://doi.org/10.1007/BF00406569

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  • DOI: https://doi.org/10.1007/BF00406569

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