Recognizes a glycoprotein of 44-88kDa, which is identified as CD28. It is the critical T-cell co-stimulatory receptor which provides to the cell the important second activation signal by binding CD80 and CD86 that are expressed by antigen presenting cells. Besides its co-stimulation role, CD28 functions in preventing T-cells from anergic hyporesponsive state or from undergoing premature apoptotic cell death. CD28 is also expressed on human fetal NK cells and some NK cell lines, whereas on murine NK cells the CD28 expression is much broader.
200ug/ml of Ab Purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.
SDS-PAGE Analysis of Purified CD28 Mouse Monoclonal Antibody (C28/1636).
Flow Cytometric Analysis of paraformaldehyde-fixed Jurkat cells using CD28 Mouse Monoclonal Antibody (C28/1636) followed by goat anti-Mouse IgG-CF488 (Blue), Isotype control (Red).
SDS-PAGE Analysis of Purified CD28 Mouse Monoclonal Antibody (C28/1636). Confirmation of Integrity and Purity of Antibody.
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