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01 Cluster of Differentiation CD In the field of cell biology and immunology, the term CD is an abbreviation of "Cluster of Differentiation" (differentiation cluster or group of differentiation), also known as leukocyte differentiation antigens, which are a class of proteins or glycoproteins on the cell membrane
Partially differentiated cluster (CD) number grouping
grouping |
Types of CD Molecules |
T cells |
CD2, CD3, CD4, CD5, CD8, CD28, CD152 (CTLA-4), CD154 (CD40L), CD278 (ICOS) |
B cells |
CD19, CD20, CD21, CD40, CD79a (iga), CD79b (igaβ), CD80 (B7-1), CD86 (B7-2) |
myeloid cells |
CD14, CD35 (CR1), CD64, CD284 (TLR4) |
blood cells |
CD36, CD41 (Integrin αII β), CD51 (Integrin av), CD61 (Integrin β3), CD62P (P-selectin) |
NK cells |
CD16 (FcγRIII), CD56 (NCAM-1), CD94, CD158 (KIR), CD161 (NKR-P1A), CD314 (NKG2D), CD335 (NKp46), CD336 (NKp44), CD337 (NKp30) |
adhesion molecule |
CD11a-CD11c, CD15s (sLe x ), CD18 (integrin β2), CD29 (integrin β1), CD49a-CD49f, CD54 (ICAM-1), CD62E (E-selectin), CD62L (L-selectin) |
Cytokine/Chemokine Receptors |
CD25 (IL-2Ra), CD95 (Fas), CD178 (FasL), CD183 (CXCR3), CD184 (CXCR4), CD195 (CCR5) |
CD3 is mainly used to label thymocytes, T lymphocytes and T-cell lymphomas.
CD3 key structure
TCR/CD3 complex structure
Teplizumab is a humanized anti-CD3 monoclonal antibody that prevents T cells from attacking pancreatic beta cells by preventing the formation of the CD3-TCR complex
Features
- High purity and high safety
- High activity and high stability
- Humanization and cell preparation
- High batch stability, available from stock
references:
[1]Deconstructing the form and function of the TCR/CD3 complex.