Is G2-arrest an active cellular response to irradiation?

Is G2-arrest an active cellular response to irradiation?
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G2 停滞是细胞对辐射的主动反应吗?

DOI:
10.1080/09553008514551911
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发表时间:
1985
期刊:
International journal of radiation biology and related studies in physics, chemistry, and medicine
影响因子:
--
通讯作者:
R. Rowley
R. Rowley
中科院分区:
--
文献类型:
--
作者:
R. Rowley

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蛋白质合成通常是G2细胞进展和从辐射诱导的G2停滞恢复所需的。在5 mM咖啡因的存在下,这一要求得到缓解,表明负责G2细胞进展的机制实际上在辐照或蛋白质合成底物处理的细胞中保持完整。有人建议,辐射和环己酰亚胺诱导的G2期阻滞,因此,细胞缺陷的被动后果,而是积极的细胞反应的状态下的细胞的完整性,这意味着存在的G2细胞进展控制。
Protein synthesis is normally required for G2-cell progression and for recovery from radiation-induced G2-arrest. In the presence of 5 mM caffeine this requirement is alleviated, indicating that the mechanism responsible for G2 cell progression actually remains intact in irradiated or protein synthesis inhibitor-treated cells. It is suggested that both radiation and cycloheximide-induced G2-arrest are not, therefore, passive consequences of cellular defects, but are rather, active cellular responses to the state of cellular integrity, implying the existence of G2 cell progression controls.
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影响因子: --
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