Integrin intra-heterodimer affinity inversely correlates with integrin activatability

Antibodies Correlates Inversely with Affinity The Potency of Erythropoietin-Mimic

Integrin heterodimer and receptor complexity in avian and mammalian cells

We report data showing that the integrin receptor complex in chickens contains several discrete heterodimers all sharing the beta 1-integrin subunit combined separately with different alpha-subunits. Using antisera to synthetic peptides based on cDNA sequences of chicken and human alpha-integrin subunits to analyze the integrin complement of avian and mammalian cells, we show that band 2 of the...

Regulation of integrin affinity on cell surfaces.

Lymphocyte activation triggers adhesiveness of lymphocyte function-associated antigen-1 (LFA-1; integrin α(L)β(2)) for intercellular adhesion molecules (ICAMs) on endothelia or antigen-presenting cells. Whether the activation signal, after transmission through multiple domains to the ligand-binding αI domain, results in affinity changes for ligand has been hotly debated. Here, we present the fi...

Affinity Regulation of the Integrin Avidity 1

Chemokines and the Signaling Modules Regulating Integrin Affinity

Integrin-mediated adhesion is a general concept referring to a series of adhesive phenomena including tethering-rolling, affinity, valency, and binding stabilization altogether controlling cell avidity (adhesiveness) for the substrate. Arrest chemokines modulate each aspect of integrin activation, although integrin affinity regulation has been recognized as the prominent event in rapid leukocyt...