AUGMENTED EXPRESSION OF HSP72 PROTEIN IN NORMAL HUMAN FIBROBLASTS IRRADIATED WITH ULTRAVIOLET-LIGHT

被引:35
|
作者
SUZUKI, K [1 ]
WATANABE, M [1 ]
机构
[1] NAGASAKI UNIV,FAC PHARMACEUT SCI,DEPT HLTH SCI,DIV RADIAT,NAGASAKI 852,JAPAN
关键词
D O I
10.1016/S0006-291X(05)81541-4
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Normal human fibroblasts synthesized heat shock protein (HSP) 72 constitutively and its expression was augmented 6 hours after UV irradiation. Maximum induction of HSP72 was obtained at 12 hours and HSP72 showed a punctuated distribution in nucleus. While unscheduled DNA synthesis was almost completed 12 hours after UV irradiation, the S phase fraction decreased immediately and recovered after 6 hours. Thus, HSP72 augmentation was occurred coincidentally with the recovery of S phase, and suggested that HSP72 had some function during the recovery of DNA replication inhibited after UV irradiation. © 1992 Academic Press, Inc.
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页码:1257 / 1264
页数:8
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