نتایج جستجو برای: cell adhesion
تعداد نتایج: 1717244 فیلتر نتایج به سال:
The conversion of physical signals, such as contractile forces or external mechanical perturbations, into chemical signaling events is a fundamental cellular process that occurs at cell-extracellular matrix contacts, known as focal adhesions. At these sites, transmembrane integrin receptors are associated via their cytoplasmic domains with the actin cytoskeleton. This interaction with actin is ...
Adhesive interactions play a central role in cell migration. The regulation of these interactions requires the coordination of a multiplicity of signals, both spatially and temporally. The role of the integrin family has received considerable recent attention. Progress has been made in the elucidation of the mechanisms by which growth factors and other motogenic factors stimulate migration. Maj...
Normal and transformed baby hamster kidney (BHK) cells attach to Falcon polystyrene with the same first order rate constant. The longer the cells are attached to the bottles, the more difficult they are to remove. Sulfhydryl (-SH) binding reagents inhibit both the attachment of BHK cells and the increase in adhesive strength of attached cells. Attached BHK cells bind fewer molecules of [1-(14)C...
The interaction between cell surface glycans and extracellular matrix (ECM) including galectins is known to be closely associated with tumor cell adhesion, invasion and metastasis. We analyzed the roles of cell surface sialylation or glycosylation in galectin or ECM‑mediated cell adhesion and invasion of human malignant lymphoma cells. Neuraminidase from Arthrobacter ureafaciens (AU) treatment ...
In connective tissues, intercellular adhesion is essential for tissue morphogenesis, development and wound healing. However, the signaling mechanisms initiated by cell-cell adhesion in fibroblasts and that regulate it are not known. In this study we tested the hypothesis that intracellular calcium signaling is required to mediate intercellular adhesion between fibroblasts. Fura-2 or fluo-3 labe...
This study was carried out to further characterize the RGD-dependent cell adhesion activity which was previously observed in the vitamin K-dependent matrix Gla protein (MGP) (Loeser, R. F., and Wallin, R. (1992) J. Biol. Chem. 267, 9459-9462). We have found that this cell adhesion activity can be completely removed from the 10-kDa MGP by gel filtration over Sephacryl S-200-HR. The higher molecu...
Confluent monolayers of human umbilical vein endothelial cells (HUVECs) on a poly(2-methoxyethyl acrylate) (PMEA) antithrombogenic surface play major role in mimicking the inner native blood vessels. In this study, we extensively investigated behavior cell–polymer and cell–cell interactions by measuring adhesion strength using single-cell force spectroscopy. addition, attachment migration HUVEC...
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