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integrin
(redirected from Integrins)

   Also found in: Medical, Wikipedia 0.01 sec.
integrin [in′teg·rən]
(cell molecular)
A heterodimeric transmembrane receptor protein of animal cells that binds to components of the extracellular matrix on the outside of a cell and to the cytoskeleton on the inside of the cell, functionally connecting the cell interior to its exterior; in blood cells, integrins are also involved in cell-cell adhesion.


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Several changes were observed after collagen glycation: (1) fibroblast shape and distribution (vimentin staining) were modified; (2) extracellular matrix molecules and the dermal-epidermal junction zone seemed to be enhanced (procollagen I and III, collagen IV and VII stainings); (3) stainings for beta1 and alpha6 integrins were also increased in the epidermal cell layer; and (4) collagenase activity was increased.
Among the topics are cadherins, adherens junctions and desmosomes, integrins and focal contacts, receptor tyrosine phosphatases, Notch and Slit-Robo signaling, adhesive binding to collagen and fibrillin, and complex adhesive mechanisms involved in leukocyte migration and malaria.
He further says that the study also describes how this relates to the protein's role in the signaling ability of integrins - a large family of adhesion molecules that transfer information between the inside and outside of a cell.
 
 
 
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