The CD8b (CD8 beta) subunit of CD8 T cell coreceptor is expressed in CD8 alpha/beta heterodimers on majority of MHC I-restricted conventional T cells and thymocytes and in CD8 alpha/alpha homodimers on subsets of memory T cells, intraepithelial lymphocytes, NK cells, macrophages, mast cells, and dendritic cells. Regulation of CD8 beta level on T cell surface seems to be an important mechanism to control their effector function. Assembly of CD8 alpha/beta but not alpha/alpha dimers is connected with formation or localization to the lipid rafts. Recruiting triggered TCR complexes to these membrane microdomains as well as affinity of TCR to MHC I is modulated by CD8, thereby affecting the functional diversity of the TCR signaling.
Clonality:
Monoclonal
Concentration:
0.5 mg/ml
Clone Designation:
[341]
Isotype:
Mouse IgG1 kappa
Buffer:
Phosphate buffered saline (PBS), pH 7.4, 15 mM sodium azide
Storage:
2°C to 8°C
Target:
CD8b
Antibody Type:
Monoclonal Antibody
Application Notes:
Flow cytometry: Recommended dilution: 1-4 µg/ml.
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