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题目:: Rabbit embryo-fetal fluid decreases the cell cycle activities of DU-145 cells.
作者:: Lambert(R D),Dufour(M),Blouin(L)
状态:: 发布时间1992-05-01 , 更新时间 2006-11-15
期刊:: Cell Prolif
摘要:: Successful reproduction requires tight control of cell proliferation and differentiation. Rabbit blastocoelic fluid contains such regulatory factors. For instance, it inhibits tumour or transformed cell proliferation. In this study, DU-145 cells have been used to characterize further this inhibitory activity. Maximal inhibition of cell proliferation is observed at day 12 of embryo-fetal development and this is accompanied by a strong reduction of [3H]-thymidine incorporation. DNA specific staining and analysis by flow cytometry show that cells are not stopped at any specific stage of the cell cycle. Using bromodeoxyuridine incorporation in combination with propidium iodide labelling, it has been possible to estimate the percentage of labelled cells, the duration of the S phase of the cell cycle derived from their relative movement and also the proportion of cells participating to the cell cycle. In the presence of embryonic and fetal fluids collected on day 12 (EFF D-12) the duration of the S phase and the doubling time are considerably increased and the percentage of cells participating in the cell cycle is decreased. The results also show that treatment with EFF D-12 induces the release of the cells from the monolayer. Taken altogether, these results suggest that EFF D-12 increases the duration of the cell cycle. This reduction of the mitotic activities lead up to cell death with subsequent release of cells into the culture medium.
语言:: eng
DOI:

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