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  • 1
    ISSN: 1432-1335
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die Tatsache, daß die Leberzellen stärker durch Inkorporation von 3H-Aflatoxin markiert werden als die Mesenchymzellen entspricht der Beobachtung, daß Leberzellen gegenüber Aflatoxinen anfälliger sind als die Mesenchymzellen. Es zeigten sich keine signifikanten Unterschiede hinsichtlich der Inkorporation von 3H-Aflatoxin B 1, B 2 und 4HB 1 in die Leberzellen, während diese drei Mycotoxine eine weite Variation hinsichtlich ihrer Hemmwirkung auf die RNS-Synthese aufwiesen. Man kann also daraus den Schluß ziehen, daß die Toxizität von Aflatoxinen für Leberzellen in vitro eng zusammenhängt mit der Membrandurchlässigkeit und dem aktiven Teil des Aflatoxinmoleküls bzw. der Dop pelbindung in Difuranstruktur und der Carbonylgruppe in dem Cyclopentenon-Anteil von B 1.
    Notes: Summary The distribution patterns of 3H-aflatoxin B 1, B 2 and tetrahydrodesoxoaflatoxin B 1 (4H B 1) in the cultured liver cells originated from the 12-day-old chicken embryo were demonstrated. The fact that the hepatocytes were more heavily labeled than the mesenchymal cells by the incorporation of 3H-aflatoxins correlate well with the observation that the hepatocytes were more susceptible than the mesenchymal cells to the aflatoxins. There were no significant differences in the pattern of incorporation of 3H-aflatoxin B 1, B 2 and 4H B 1 into the hepatocyte, while the three mycotoxins show a wide variation in their inhibitory action in RNA synthesis. It may be concluded from the above mentioned facts that the toxicity of aflatoxins to the liver cells in vitro is closely related to the membrane permeability and the active portion of the molecule of aflatoxins, such as the double bond in the difuran structure and the carbonyl group in the cyclopentenone portion of B 1.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 70 (1937), S. 2018-2023 
    ISSN: 0365-9631
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 74 (1941), S. 1115-1126 
    ISSN: 0365-9631
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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