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题目:: Rapid molecular and morphological responses of prostate cell lines to cell-cell contact.
作者:: Bazou(Despina),Davies(Gaynor),Jiang(Wen G),Coakley(Terence)
状态:: 发布时间2006-12-12 , 更新时间 2006-12-12
期刊:: Cell Commun Adhes
摘要:: Cell-cell adhesion in 2-D PZ-HPV-7 prostate epithelial and DU-145 prostate cancer cell aggregates (monolayers), synchronously and rapidly (within 30 s) formed in suspension in an ultrasound trap has been examined over 60 min. The intracellular distributions of the cadherin/catenin complex components for both cell lines were time-dependent and were clearly identifiable as early as 150 s following cell-cell contact in the trap, while equilibrium positions were reached within 60 min following cell-cell contact. The accumulation of E-cadherin at the cell-cell interface was greater for PZ-HPV-7 than for DU-145 cells over 60 min in the trap, with the apparent formation of adherens junctions over that time scale in PZ-HPV-7 but not in DU-145 cells. The amounts of F-actin, alpha-, beta-, and gamma-catenins recruited to the cell-cell interface of PZ-HPV-7 cells were on average 2.4 times higher than those of DU-145 cells. The ability of different cell types to spread along neighboring cells was 1.5-fold greater for the PZ-HPV-7 than for the DU-145 cells. These results, discussed also in the context of earlier studies of cell adhesion in an ultrasound trap, characterize a reduced adhesiveness of DU-145 cells compared to PZ-HPV-7 cells.
语言:: eng
DOI:: 10.1080/15419060601077909

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