Cell surface markers Flashcards
1
Q
all nucleated cells
A
MHC I
2
Q
T cells in general (3)
A
TCR- binds antigen/MHC complex
CD3- associated with TCR for signal transduction
CD28- binds B7 on APC
3
Q
helper T cells (2)
A
CD4
CD40L
4
Q
cytotoxic T cells (1)
A
CD8
5
Q
regulatory T cells
A
CD4
CD25
6
Q
B cells (7)
A
Ig- binds antigen
CD19, CD20, CD21 (EBV)
CD40
MHC II, B7
7
Q
macrophages (6)
A
CD14, CD40
MHC II, B7
Fc and C3b receptors (enhanced phagocytosis)
8
Q
NK cells (2)
A
CD16- binds Fc of IgG
CD56- unique marker for NK cells
9
Q
hemapoetic stem cells
A
CD34