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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 95 (1979), S. 39-42 
    ISSN: 1432-1335
    Keywords: Tumors of the forestomach ; Acetoxymethyl-methyl nitrosamine ; Experimental chemotherapy ; Bleomycin, methotrexate, 5-fluorouracil, 1,2-bis-(2-chloroethyl)-1-nitrosourea
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Tumors of the forestomach were induced in male Sprague-Dawley rats by oral application of acetoxymethyl-methylnitrosamine (AMMN) in single weekly doses of 3.5 mg/kg body weight for 10 weeks. 100±5 days after the beginning of carcinogen treatment exploratory laparotomy was performed. One hundred animals in the same stage of tumor development were divided at random into one control group and four groups treated with cytostatics. Bleomycin (BLM), methotrexate (MTX), 5-fluorouracil (5FU), and 1,2-bis-(2-chloroethyl)-1-nitrosourea (BCNU) were tested in groups of 20 rats each. Only in animals receiving repeated doses of BLM a slight tumor response was observed but no increase in median survival times was seen. No therapeutic effects of the other drugs used were demonstrable.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 91 (1978), S. 317-322 
    ISSN: 1432-1335
    Keywords: Alkyl-Acetoxymethyl-Nitrosamines ; Carcinogenic action in SD rats ; Tumors of the forestomach ; Alkyl-Acetoxymethyl-Nitrosamine ; Carcinogene Wirkung bei SD-Ratten ; Tumoren des Vormagens
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die homologe Reihe der Alkyl-Acetoxymethyl-Nitrosamine wurden auf ihre carcinogene Wirkung an SD Ratten getestet. Alle Verbindungen induzieren bei oraler Gabe innerhalb der gleichen Zeit Vormagentoumoren. Die benötigten Gesamtdosen sind dabei abhängig von der Länge der Alkyl-Kette und damit der Wasserlöslichkeit. Diese Ergebnisse werden diskutiert.
    Notes: Summary The homologons alkyl-acetoxymethyl-nitrosamines were tested for carcinogenicity in SD rats. All compounds were found to be carcinogenic and induced within the same time carcinomas of the forestomach. The total doses necessary for induction of tumors are related to the length of the alkyl chain and hence to the watersolubility. These results are discussed.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1335
    Keywords: Benzo(a)pyrene ; Caffeine ; Oral administration ; Tumors of the forestomach
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In a lifetime experiment benzo(a)pyrene (B(a)P) was administered to Sprague-Dawley rats either as an admixture to the diet or by gavage in an aqueous 1.5% caffeine solution. Dissolved benzo(a)pyrene induced more tumors of the forestomach than undissolved benzo(a)pyrene. The 1.5% caffeine solution (annual dose 27 g/kg) did not exert any carcinogenic activity under the conditions of this bioassay.
    Type of Medium: Electronic Resource
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