Vedolizumab
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Vedolizumab is a humanized monoclonal antibody that targets the α4β7 integrin for the treatment of Crohn’s disease and ulcerative colitis.
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| Description | Vedolizumab is a humanized monoclonal antibody that targets the α4β7 integrin for the treatment of Crohn’s disease and ulcerative colitis. |
| Kinase Assay | Vedolizumab inhibition of high-affinity binding of MAdCAM-1 to human peripheral blood memory CD4+ T lymphocytes is tested. Peripheral blood (90 μL) is incubated with a saturating concentration (3 μg/mL) of MAdCAM-1-murine-Fc fusion protein and 4 mM MnCl2 in a final volume of 100 μL for 1 h at room temperature, in the presence or absence of vedolizumab. After washing with assay buffer, the cells are stained with fluorescentlabeled anti-mouse IgG for 15 min at room temperature. After washing again, cells are incubated with mouse serum for 10 min at room temperature, followed by staining with anti-CD4 and anti-CD45RO antibodies for 15 min at room temperature. After washing, red blood cells are lysed with BD FACS lysing solution and analyzed by flow cytometry in a FACSCalibur with CellQuest Pro software[1]. |
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[accordion title= “References and Literature“]
[accordion title= “References and Literature“]
1. Soler D, et al. The binding specificity and selective antagonism of vedolizumab, an anti-alpha4beta7 integrintherapeutic antibody in development for inflammatory bowel diseases. J Pharmacol Exp Ther. 2009 Sep;330(3):864-75.2. Singh H, et al. Vedolizumab: A novel anti-integrin drug for treatment of inflammatory bowel disease. J Nat Sci Biol Med. 2016 Jan-Jun;7(1):4-9.
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