Cell surface proteins Flashcards
1
Q
T cells
A
TCR
CD3 (associated with TCR for signal transduction)
CD28 (bind to B7 on APC)
Helper: CD4 and CD40 ligand
Cytotoxic: CD8
2
Q
B cells
A
Ig CD19 CD20 CD21 (receptor for EBV) CD40
MHC II
B7 (to stimulate T cells)
3
Q
Macrophages
A
CD14 (LPS receptor) CD40 (thus activated by TH) MHCII B7 (thus activate Th) Fc and C3b receptor (enhance phagocytosis)
4
Q
NK cells
A
CD16 (bind Fc of IgG)
CD56 (unique marker for NK cells)