Add time:07/30/2019         Source:sciencedirect.com

The administration of N-[4-(5-nitro-2-furyl)-2-thiazolyl]-formamide FANFT) by gavage to female NMRI-mice resulted in a high incidence of neoplasms of the forestomach. From 117 effective animals which were pooled from 3 dosed groups, 30 squamous cell carcinomas and 26117 papillomas of the forestomach were diagnosed. Only 5117 neoplasms of the urinary bladder occurred. The average cumulative dose administered was 1180 mg/mouse, and the mean latent period for the induction of forestomach tumours was 574 days. The mode of application seems to be an important factor in the carcinogenicity of FANFT.

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