Role of alpha 2 beta 1- and alpha 3 beta 1-integrin in the peritoneal implantation of scirrhous gastric carcinoma
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Interaction of integrins alpha 3 beta 1 and alpha 2 beta 1: potential role in keratinocyte intercellular adhesion
The colocalization of integrins alpha 2 beta 1 and alpha 3 beta 1 at intercellular contact sites of keratinocytes in culture and in epidermis suggests that these integrins may mediate intercellular adhesion (ICA). P1B5, an anti-alpha 3 beta 1 mAb previously reported to inhibit keratinocyte adhesion to epiligrin, was also found to induce ICA. Evidence that P1B5-induced ICA was mediated by alpha ...
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In human keratinocytes cultured in conditions which allow differentiation and stratification and are suitable to reconstitute a fully functional epidermis, alpha 6 beta 4 and two members of the beta 1 integrin family (alpha 2 beta 1 and alpha 3 beta 1) were respectively polarized to the basal and lateral domains of the plasmamembrane both in growing colonies and in the reconstituted epidermis. ...
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Osteoclasts are macrophage-related multinucleated cells that resorb bone. Osteoclastic bone-resorbing activity involves a number of differentiation and activation steps including: (i) proliferation and homing of hemopoietic precursors to bone, (ii) their differentiation into mononuclear osteoclasts, (iii) fusion of these cells to form multinucleated osteoclasts, (iv) formation of a sealing zone...
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Using a K562 cell transfection model, we have previously described a novel relationship between the integrins alpha v beta 3 and alpha 5 beta 1. alpha v beta 3 ligation was able to inhibit alpha 5 beta 1-mediated phagocytosis without effect on alpha 5 beta 1-mediated adhesion. The alpha v beta 3-dependent inhibition apparently required a signal transduction cascade as it was reversed by inhibit...
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The plasma protein fibronectin is an important opsonin in wound repair and host defense. To better understand the process of fibronectin-mediated phagocytosis, we have transfected K562 cells, which endogenously express alpha 5 beta 1, with alpha v beta 3. In these transfectants, antibodies to alpha v beta 3 block phagocytosis of fibronectin-opsonized beads completely, even though half the inges...
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ژورنال
عنوان ژورنال: British Journal of Cancer
سال: 1996
ISSN: 0007-0920,1532-1827
DOI: 10.1038/bjc.1996.556