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- VLA-4 abstract "Integrin alpha4beta1 (Very Late Antigen-4) is an integrin dimer. It is composed of CD49d (alpha 4) and CD29 (beta 1).Vascular cell adhesion molecule-1 (VCAM-1 - an integrin receptor) located on an endothelial cell, binds to the integrin VLA-4 which are normally expressed on leukocyte plasma membranes, but they do not adhere to their appropriate ligands until the leukocytes are activated by chemotactic agents or other stimuli (often produced by the endothelium or other cells at the site of injury). Only then do the integrins undergo the conformational change necessary to confer high binding affinity for the endothelial adhesion molecules.In multiple sclerosis, the VLA-4 integrin is essential in the processes by which T-cells gain access to the brain by allowing the cells to penetrate the blood brain barrier that normally restricts immune cell access. One approach to prevent an autoimmune reaction has been to block the action of VLA-4 so that self-reactive T-cells are unable to enter the brain and thus unable to attack myelin protein.In recent years antagonists of VLA-4 have shown great promise in treating inflammatory disorders in a number of animal models. However, the usage of Natalizumab, an antagonist of VLA-4 integrin, remains controversial due to several side effects including Progressive multifocal leukoencephalopathy.".
- VLA-4 wikiPageExternalLink report.cgi?report=compl_overview&compl_acc=cc00000018.
- VLA-4 wikiPageExternalLink index.shtml.
- VLA-4 wikiPageID "10247050".
- VLA-4 wikiPageLength "2318".
- VLA-4 wikiPageOutDegree "15".
- VLA-4 wikiPageRevisionID "618373059".
- VLA-4 wikiPageWikiLink Autoimmune_disease.
- VLA-4 wikiPageWikiLink Blood–brain_barrier.
- VLA-4 wikiPageWikiLink CD29.
- VLA-4 wikiPageWikiLink CD49d.
- VLA-4 wikiPageWikiLink Category:Integrins.
- VLA-4 wikiPageWikiLink Integrin.
- VLA-4 wikiPageWikiLink Ligand.
- VLA-4 wikiPageWikiLink Multiple_sclerosis.
- VLA-4 wikiPageWikiLink Natalizumab.
- VLA-4 wikiPageWikiLink Progressive_multifocal_leukoencephalopathy.
- VLA-4 wikiPageWikiLink Protein_dimer.
- VLA-4 wikiPageWikiLink T_cell.
- VLA-4 wikiPageWikiLink VCAM-1.
- VLA-4 wikiPageWikiLink White_blood_cell.
- VLA-4 wikiPageWikiLinkText "VLA-4".
- VLA-4 wikiPageWikiLinkText "α4β1-integrin receptor molecules".
- VLA-4 wikiPageUsesTemplate Template:Cell_adhesion_molecules.
- VLA-4 wikiPageUsesTemplate Template:Immunology-stub.
- VLA-4 wikiPageUsesTemplate Template:Integrins.
- VLA-4 wikiPageUsesTemplate Template:MeshName.
- VLA-4 subject Category:Integrins.
- VLA-4 hypernym Dimer.
- VLA-4 type ChemicalCompound.
- VLA-4 comment "Integrin alpha4beta1 (Very Late Antigen-4) is an integrin dimer.".
- VLA-4 label "VLA-4".
- VLA-4 sameAs Q4052540.
- VLA-4 sameAs m.02q6dwv.
- VLA-4 sameAs VLA-4.
- VLA-4 sameAs Q4052540.
- VLA-4 wasDerivedFrom VLA-4?oldid=618373059.
- VLA-4 isPrimaryTopicOf VLA-4.