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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 101 (1981), S. 285-302 
    ISSN: 1432-1335
    Keywords: Yoshida sarcoma ; Descending colon ; 2-Chloroethyl-nitrosoureas ; Sprague-Dawley rats ; Yoshida-Sarkom ; Colon descendens ; 2-Chlorethyl-nitrosoharnstoffe ; Sprague-Dawley-Ratten
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die chemotherapeutische Wirkung von 12 neu entwickelten Nitrosoharnstoffen wurde vergleichend an Yoshida-Sarkom-Asziteszellen experimentell untersucht, die in die Wand des Colon descendens von Sprague-Dawley-Ratten implantiert worden waren. Cyclophosphamid sowie die Nitrosoharnstoffe BCNU, MeCCNU und Chlorozotocin dienten als positive Kontrolle. Unter den untersuchten Nitrosoharnstoffen zeigten 1-(2-Hydroxyethyl)-3-(2-chlorethyl)-3-nitrosoharnstoff (Hydroxyethyl-CNU), Chlorozotocin, 1-(2-Chlorethyl)-1-nitroso-3-(4-morpholino)-harnstoff, 1-(2-Chlorethyl)-1-nitroso-3-(1-piperidino)-harnstoff, 4-[1-(2-Chlorethyl)-1-nitroso]-3-[4-(2,6-dimethylmorpholino)]-harnstoff und 1-(2-Chlorethyl)-1-nitroso-3-(3,4-methylendioxybenzyl)-harnstoff die stärkste Aktivität in diesem Tumormodell. Auf Grund der vorliegenden Ergebnisse ist Morpholino-CNU als die erfolgversprechendste Substanz unter den neu synthetisierten BCNU-Analogen anzusehen.
    Notes: Summary The chemotherapeutic activity of 12 newly synthesized nitrosoureas was compared in tests using Yoshida sarcoma ascites cells implanted into the wall of the descending colon in Sprague-Dawley rats. Cyclophosphamide and the nitrosoureas, BCNU, MeCCNU, and chlorozotocin served as positive controls. Among the nitrosoureas tested, 1-(2-hydroxyethyl)-3-(2-chloroethyl)-3-nitrosourea (hydroxyethyl-CNU), chlorozotocin, 1-(2-chloroethyl)-1-nitroso-3-(4-morpholino) urea, 1-(2-chloroethyl)-1-nitroso-3-(1-piperidino) urea, 4-[1-(2-chloroethyl)-1-nitroso]-3-[4-(2,6-dimethylmorpholino)] urea, and 1-(2-chloroethyl)-1-nitroso-3-(3,4-methylenedioxybenzyl) urea were found to be the most active compounds in this tumor model. Based on the present results, morpholino-CNU is considered the most promising compound among these newly synthesized BCNU analogues.
    Type of Medium: Electronic Resource
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