Epithelial integrin alpha 6 beta 4: complete primary structure of alpha 6 and variant forms of beta 4.

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Epithelial integrin alpha 6 beta 4: complete primary structure of alpha 6 and variant forms of beta 4

The integrin alpha 6 beta 4 is a heterodimer predominantly expressed by epithelia. While no definite receptor function has yet been assigned to it, this integrin may mediate adhesive and/or migratory functions of epithelial cells. We have determined the complete primary structure of both the alpha 6 and beta 4 subunits from cDNA clones isolated from pancreatic carcinoma cell line libraries. The...

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Epithelial Integrin O/6~4: Complete Primary Structure of and Variant Forms of ~4

The integrin ~6/34 is a heterodimer predominantly expressed by epithelia. While no definite receptor function has yet been assigned to it, this integrin may mediate adhesive and/or migratory functions of epithelial cells. We have determined the complete primary structure of both the as and/34 subunits from cDNA clones isolated from pancreatic carcinoma cell line libraries. The deduced amino aci...

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The integrin alpha 6 beta 4 is a laminin receptor

In this study, the putative laminin receptor function of the alpha 6 beta 4 integrin was assessed. For this purpose, we used a human cell line, referred to as clone A, that was derived from a highly invasive, colon adenocarcinoma. This cell line, which expresses the alpha 6 beta 4 integrin, adheres to the E8 and not to the P1 fragment of laminin. The adhesion of clone A cells to laminin is extr...

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Integrin alpha 6 beta 4 mediates dynamic interactions with laminin.

We present here a novel form of dynamic adhesion in which both the integrin receptor and the ligand supporting dynamic adhesion have been identified. Laminar flow assays showed that laminin supported attachment of alpha 6 beta 4-positive cells in the presence of fluid shear stress (tau < or = 2 dyn/cm2), indicating that these cells adhered to laminin within a fraction of a second. Further incre...

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The alpha 4 integrin chain is a ligand for alpha 4 beta 7 and alpha 4 beta 1

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ژورنال

عنوان ژورنال: Journal of Cell Biology

سال: 1990

ISSN: 0021-9525,1540-8140

DOI: 10.1083/jcb.111.4.1593