Cell surface proteins Flashcards
1
Q
All T-cells
A
TCR (binds Ag-MHC complex)
CD3 (associated w/TCR for signal transduction)
CD28 (binds B7 on APC)
2
Q
Helper T-cells
A
CD4
CD40 ligand
3
Q
Cytotoxic T-cells
A
CD8
4
Q
B-cells
A
Ig (binds Ag) CD19 CD20 CD21 (receptor for EBV) CD40 MHC II, B7
5
Q
Macrophages
A
CD14
CD40
MHC II, B7
Fc & C3b receptors (enhanced phagocytosis)
6
Q
NK cells
A
CD16 (binds Fc of IgG)
CD56 (unique marker for NK)