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Samples were acquired and analyzed using 405 nm excitation specified band pass emission filter on a BD LSR II flow cytometer (BD Biosciences, San Jose, CA). The black line histograms represent cells stained with anti-human CD4 antibody conjugate, and the gray line represents unstained cells.
|Tested species reactivity||Mouse|
|Host / Isotype||Rat / IgG2a|
|Storage buffer||0.05M borate, pH 8.3, with 1M betaine|
|Contains||0.05% sodium azide|
|Storage Conditions||4° C, store in dark, DO NOT FREEZE!|
|Tested Applications||Dilution *|
|Flow Cytometry (Flow)||Assay Dependent|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
The CD4 antigen is involved in the recognition of the type II MHC antigen. It is also a receptor for HIV. It is present on most T helper cells and normal thymocytes. The cytoplasmic portion of CD4 is associated with p56lck tyrosine kinase. CD4 expression is commonly found in human lymph nodes and tonsils. CD44 is a type 1 transmembrane glycoprotein also known as Phagocytic Glycoprotein-1 (pgp-1) and HCAM. CD44 is the receptor for hyaluronate and exists as a large number of different isoforms due to alternative RNA splicing. The major isoform expressed on lymphocytes, myeloid cells, and erythrocytes is a glycosylated type 1 transmembrane protein. Other isoforms contain glycosaminoglycans and are expressed on hematopoietic and non-hematopoietic cells. CD44 is involved in adhesion of leukocytes to endothelial cells, stromal cells, and the extracellular matrix.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
T-cell differentiation antigen L3T4, T-cell surface antigen T4/Leu-3, T-cell surface glycoprotein CD4, T-cell surface glycoprotein CD4 precursor (T-cell surface antigen T4/Leu-3) (T-cell differentiation antigen L3T4), CD4 antigen p55, CD4 receptor