SURFACE MARKERS ON T, B, and NK CELLS

Question 1

involved in T CELL ACTIVATION

Answer 1

CD2

Question 2

FOUND ON ALL T CELLS; associated with T-cell antigen receptor

Answer 2

CD3

Question 3

identifies t-helper cells; also found on most T REGULATORY CELLS; CO-RECEPTOR FOR MHC CLASS II; RECEPTOR FOR HIV

Answer 3

CD4

Question 4

positive or negative modulation of T and B cell receptor signaling

Answer 4

CD5

Question 5

IDENTIFIES CYTOTOXIC T CELLS; co-receptor for MHC CLASS II

Answer 5

CD8

Question 6

protease; marker for PRE-B CALLA

Answer 6

CD10

Question 7

low affinity Fc receptor for Antibody; mediates phagocytosis

Answer 7

CD16

Question 8

Part of B-cell receptor; REGULATES B CELL DEVELOPMENT AND ACTIVATION

Answer 8

CD19

Question 9

RECEPTOR FOR COMPLEMENT COMPONENT C3d; part of B-cell coreceptor with CD19

Answer 9

CD21

Question 10

REGULATION OF IgE SYNTHESIS; triggers release of GM-CSF from monocytes

Answer 10

CD23

Question 11

RECEPTOR FOR IL-2

Answer 11

CD25

Question 12

adhesion molecules mediating homing to peripheral lymphoid organs

Answer 12

CD44

Question 13

essential in T and B cell antigen-stimulated activation

Answer 13

CD45R

Question 14

cell adhesion and signaling (FOR CYTOTOXICITY)

Answer 14

CD56

Question 15

subunit of NKG2-A complex involved in inhibition of NK cell cytotoxicity

Answer 15

CD94

Question 16

markers for NK CELLS

Answer 16

1. CD16
2. CD56
3. CD94

Question 17

surface markers for PRO-B CELL

Answer 17

1. CD19
2. CD 45R
3. CD43
4. CD24
5. C-KIT

Question 18

surface markers for IMMATURE B CELLS

Answer 18

1. CD21
2. CD40
3. MHC CLASS II

Question 19

surface markers for MATURE B CELLS

Answer 19

IgM, IgD

“pag Brainy ka, mag MD ka”

Question 20

surface marker for ACTIVATED B CELLS

Answer 20

CD25

Question 21

surface marker for MATURE T CELL

Answer 21

CD4, CD8

Question 22

marker for T REGULATORY CELLS

Answer 22

CD4, CD25