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CD28 Polyclonal Antibody, Invitrogen™
Rabbit Polyclonal Antibody
Brand: Invitrogen PA123388
Code : LD
Additional Details : Weight : 0.01000kg
Description
PA1-23388 detects CD28 in human samples.
CD28 antigen is a 44 kDa disulfide linked homodimeric T cell specific surface glycoprotein. CD28 is a cell adhesion molecule of the immunoglobulin superfamily which is constitutively expressed on most peripheral blood T lymphocytes. Moreover, CD28 is the critical T cell costimulatory receptor that provides the cell the important second activation signal by binding CD80 and CD86 which are expressed by antigen presenting cells. In addition to its co-stimulation role, CD28 functions by preventing T cells from entering an anergic-hyporesponsive state or from undergoing premature apoptotic cell death. In murine peripheral lymphoid organs and in the blood, all CD4+ and CD8+ T cells express CD28. In the thymus, CD28 expression is highest on immature CD3-, CD8+ and CD4+8+ cells, and on CD4-8- cells that express alpha/beta and gamma/delta TCR. The level of CD28 on mature CD4+ and CD8+ alpha/beta TCR+ thymocytes is two- to fourfold lower than on the immature cells. Diseases associated with CD28 dysfunction include mycosis fungiodes and Sezary's Disease.Specifications
CD28 | |
Polyclonal | |
Unconjugated | |
Cd28 | |
antigen CD28; CD28; CD28 antigen; CD28 antigen (Tp44); CD28 isoform; CD28 isoform 2; Cd28 molecule; CD28 precursor protein; CD28 protein; CD28 protein precursor; CD28RNA; cell surface protein; CHT28; contains partial extracellular domain; costimulatory molecule B7 receptor CD28; EGK_04709; MGC138290; sCD28; soluble CD28; T44; T-cell costimulatory molecule CD28; T-cell costimulatory molecule Tp44; T-cell-specific surface glycoprotein CD28; T-cell-specific surface glycoprotein CD28 homolog; TP44 | |
Rabbit | |
Affinity chromatography | |
RUO | |
940 | |
Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles. | |
Liquid |
ELISA, Western Blot | |
1 mg/mL | |
PBS with 0.02% sodium azide | |
P10747 | |
Cd28 | |
Synthetic peptide corresponding to residues S(75) Q Q L Q V Y S K T G F N(85) of the v-like region of human CD28. | |
100 μg | |
Primary | |
Human | |
Antibody | |
IgG |