II. Definitions
- Integrin
- Integrins are cell surface Glycoprotein receptors with alpha and beta subunits
- Integrins are involved in Leukocyte adhesion, signaling, proliferation, and migration
- Integrin Alpha4
- Unique subunit to Integrins
- Integrin Receptor Antagonist
- Monoclonal antibodies against Integrin (binds alpha 4 subunit)
- Prevents immune cell migration in Autoimmune Disease
III. Medications: Integrin Receptor Antagonists
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Vedolizumab (Entyvio)
- Indicated in active Inflammatory Bowel Disease (Crohns Disease, Ulcerative Colitis)
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Natalizumab (Tysabri)
- Indicated in Multiple Sclerosis and refractory Crohns Disease