Receptors

Question 0

Activated T Cells

Answer 0

CD69 [S1PR1]
CTLA4 [B7 (inhibitory)]
CD25 [IL2 (treg activate)]
CD95 [FASR on all cells]
CD40L(CD154) [CD40]

Question 1

Naive T cell

Answer 1

CD28              [B7 on APCs]
CD2 (LFA-2)    [LFA3 (CD58)]
CD3                 [signal transduction]
CD45RA          [Naive marker]
CD127             [IL7 (keeps alive)]
CCR7              [CCL, CCL19]

Question 2

Homing Receptors

Answer 2

CCR4 (TEM) CCL17 (tissues)
CCL5 (inflamm)
CCL4 (remain)

CCR7 (TCM) CCL19 (HEV)

CXCR5 (Bs) CXCL13 (follicles)

S1PR1 (Ts) S1P (lymph nodes)

Question 3

B cells

Answer 3

CXCR5 CXCL13 (follicles)

CD21/81/19 C3d (EBV too)

CD27 Memory B cells