Urinary bladder neoplasms in Syrian hamsters after administration of N-nitroso-N-methyl-N-dodecylamine
- 1 January 1977
- journal article
- conference paper
- Published by Springer Nature in Zeitschrift für Krebsforschung und Klinische Onkologie
- Vol. 90 (3) , 227-231
- https://doi.org/10.1007/bf00284296
Abstract
The biological effect of N-nitroso-N-methyl-N-dodecylamine (NMDA) was examined in Syrian hamsters as part of a comparative study. Data obtained show that after intragastric administration of NMDA, the urinary bladder was the main target organ for the carcinogenic effect. Transitional cell neoplasms developed and a positive dose response relationship was observed. Lung tumors occurred only in female hamsters, whereas males more frequently showed neoplasms of the nasal cavity and digestive tract. Die biologische Wirkung von N-Nitroso-N-Methyl-N-Dodecylamin (NMDA) wurde bei Syrischen Hamstern in einer vergleichenden Untersuchung geprüft. Die Ergebnisse zeigten, daß nach intragastrischer Verabreichung von NMDA vorwiegend die Harnblase von der carcinogenen Wirkung betroffen ist. Übergangsepithel-Geschwülste entwickelten sich, und eine positive Dosis Wirkungsbeziehung wurde beobachtet. Lungentumoren entstanden nur bei weiblichen Hamstern, während männliche Tiere häufiger Geschwülste der Nasenhöhle und des Verdauungstraktes zeigten.Keywords
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