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题目:: The anti-invasive flavonoid (+)-catechin binds to laminin and abrogates the effect of laminin on cell morphology and adhesion.
作者:: Bracke(M E),Castronovo(V),Van Cauwenberge(R M),Coopman(P),Vakaet(L),Strojny(P),Foidart(J M),Mareel(M M)
状态:: 发布时间1987-12-29 , 更新时间 2014-11-20
期刊:: Exp Cell Res
摘要:: To study the effect of the flavonoid (+)-catechin on cell-matrix interactions two cell types with a different morphology on and adhesion to laminin were used. MO4 virally transformed fetal mouse cells adhere and spread when cultured on top of laminin-coated coverslips or on human amnion basement membrane. M5076 mouse reticulum cell sarcoma cells poorly adhere to these substrates and remain round. Both cell types are invasive in confronting cultures with embryonic chick heart fragments. (+)-Catechin binds to laminin in a pH-dependent way. Pretreatment of laminin-coated coverslips or amnion basement membrane with 0.5 mM (+)-catechin abrogates the effect of laminin on cell morphology and adhesion. MO4 cells do not adhere to the pretreated substrates and remain round, while M5076 cells now adhere and spread. (+)-Catechin inhibits the invasion of MO4 cells but not of M5076 cells into embryonic chick heart in vitro. We speculate that the anti-invasive activity of the flavonoid to MO4 cells is the result of its interference with MO4 cell adhesion to laminin. Invasion of M5076 cells does not imply adhesion to and spreading on laminin.
语言:: eng
DOI:

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