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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 263 (1978), S. 37-46 
    ISSN: 1432-069X
    Keywords: Sister chromatid exchange ; 8-MOP ; ultraviolet light ; Schwester-chromatiden-Austausch ; 8-MOP, langwelliges UV-Licht
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die unmittelbare Wirkung von 8-Methoxypsoralen (8-MOP) sowie von 8-MOP+langwelligem UV-Licht (UVA) auf Schwesterchromatiden-Austausch (SCE) wurde in einem in vitro-Experiment untersucht. Der SCE nach 8-MOP allein war signifikant erhöht, aber die Wirkung war wesentlich größer (50%) nach der Behandlung mit 8-MOP+UVA. Dazu wurden nach der Behandlung mit 8-MOP-Mitosen mit «gestreifter» Färbung der Chromosomen beobachtet. Die Veränderungen sind dosisabhängig und bilden möglicherweise die Ursache für die nach PUVA-Behandlung verminderte Zellteilung in Psoriasisflecken.
    Notes: Summary The acute effect of 8-methoxypsoralen (8-MOP) and 8-MOP+long wave ultraviolet light (UVA) on sister chromatid exchange (SCE) has been examined in an in vitro experiment. The SCE count was significantly increased by 8-MOP without light, but the effect was substantially greater (50%) by 8-MOP+UVA. In addition, mitoses with banded staining of the chromosomes were seen after 8-MOP and UVA. These changes were dose dependent, and they might be responsible for the reduced cell turnover in psoriasis plaque after PUVA.
    Type of Medium: Electronic Resource
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