Surface Markers on T and B Cells

Question 1

What does the accronym “CD” stand for?

Answer 1

Cluster of Designation

Question 2

What are the cell types of the CD2 antigen?

Answer 2

Thymocytes
T cells
NK cells

Question 3

What are the cell types of the CD3 antigen?

Answer 3

Thymocytes
T cells
T cell Receptor

Question 4

What are the cell types of the CD4 antigen?

Answer 4

Helper T cells

Monocytes and Macrophages

Question 5

What are the cell types of the CD5 antigen?

Answer 5

Mature T cells
Thymocytes
Subset of B cells (B1)

Question 6

What are the cell types of the CD8 antigen?

Answer 6

Thymocyte subsets

Cytotoxic T cells

Question 7

What are the cell types of the CD10 antigen?

Answer 7

B and T cell precursors

Bone marrow stromal cells

Question 8

What are the cell types of the CD16 antigen?

Answer 8

Macrophages
NK cells
Neutrophils

Question 9

What are the cell types of the CD19 antigen?

Answer 9

B cells

Follicular Dendritic cells

Question 10

What are the cell types of the CD21 antigen?

Answer 10

B cells
Follicular Dendritic cells
Subset of immature Thymocyte

Question 11

What are the cell types of the CD23 antigen?

Answer 11

B cells
Monocytes
Follicular Dendritic cells

Question 12

What are the cell types of the CD25 antigen?

Answer 12

Activated T and B cells

Monocytes

Question 13

What are the cell types of the CD44 antigen?

Answer 13

Most leukocytes

Question 14

What are the cell types of the CD45R antigen?

Answer 14

Different forms on all hematopoietic cells

Question 15

What are the cell types of the CD56 antigen?

Answer 15

NK cells

Subsets of T cells

Question 16

What are the cell types of the CD94 antigen?

Answer 16

NK cells

Subset of T cells

Question 17

What is the function of the CD2 antigen?

Answer 17

Involved in T cell activiation

Question 18

It is associated with T CELL ANTIGEN RECEPTOR and has a role in TCR transduction

Answer 18

CD3

Question 19

Co-receptor for MHC Class II and a receptor for HIV

Answer 19

CD4

Question 20

Positive or negative modulation of T and B cell receptor signaling

Answer 20

CD5

Question 21

Co-receptor for MHC Class I

Answer 21

CD8

Question 22

A protease

Marker for pre-B CALLA (Common Acute Lymphoblastic Leukemia Antigen)

Answer 22

CD10

Question 23

Has Low affinity Fc receptor, mediates phagocytosis and ADCC

Answer 23

CD16

Question 24

Part of the B cell co-receptor

Signal transduction molecule that regulates B cell development adn activation

Answer 24

CD19

Question 25

Receptor for Complement component C3d | Part of B cell co-recetor with CD 19

Answer 25

CD21

Question 26

Regulation of IgE synthesis | Triggers releaseof GM-CSF from monocytes

Answer 26

CD23

Question 27

Receptor for IL-2

Answer 27

CD25

Question 28

Adhesion molecule mediating homing to peripheral lymphoid organs

Answer 28

CD44

Question 29

Essential in T and B cell antigen-stimulation activiation

Answer 29

CD45R

Question 30

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

Answer 30

CD94

Question 31

What is the function of the CD56 antigen?

Answer 31

Unknown