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题目:: Cell cycle traverse and protein metabolism in human NHIK 3025 cells: the role of anchorage.
作者:: Rogne(S),Rønning(O W),Myklebost(O),Seglen(P O),Pettersen(E O)
状态:: 发布时间1985-12-27 , 更新时间 2006-11-15
期刊:: J Cell Physiol
摘要:: We have studied the effect of cell anchorage on the human cell line NHIK 3025 in vitro, to see whether the growth regulating effect of cell anchorage primarily affected DNA division cycle or mass growth cycle. It was found that cell to cell anchorage had the same effect on cell cycle progression as anchorage to a solid surface, which indicates that it is anchorage per se and not cell shape that is important for growth control in NHIK 3025 cells. When NHIK 3025 cells were grown without attachment to a solid surface, both G1 and cell cycle duration was prolonged by 6 h, which means that the prolonged cell cycle was due to a prolonged G1. During the first part of the cell cycle the rate of protein synthesis and degradation was constant, and at the same level in cells grown with and without attachment. This means that the prolonged G1 was not due to a reduced protein accumulation or mass growth. Towards the end of the cell cycle protein accumulation was reduced. This effect was either due to a size control before cell division or a secondary effect of the prolonged G1. We therefore conclude that cell anchorage as a growth regulator primarily affects the DNA/cell division cycle.
语言:: eng
DOI:: 10.1002/jcp.1041250324

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