Step 1 Immunology > Cell surface proteins > Flashcards

Cell surface proteins Flashcards

(9 cards)

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1
Q

All T cells

A

1) TCR (binds MHC)
2) CD3 (amplifies TCR signal)
3) CD28 (binds B7)
4) CXCR4/CCR5 (HIV co-receptor)

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2
Q

Helper T cells

A

CD4

CD40L

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3
Q

Cytotoxic T cells

A

CD8

CXCR4/CCR5

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4
Q

All nucleated host cells

A

MHC I

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5
Q

Regulatory T cells

A

CD4

CD25

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6
Q

B cells

A 
IgG (Antigen receptor)
CD19
CD20
CD21 (EBV Receptor)
CD40
MHCII
B7
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7
Q

Macrophages

A 
CD14 (PAMP receptor)
CD40
CCR5
MHC II
B7
Fc and C3b receptors
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8
Q

NK Cells

A

CD16 (Fc receptor)

CD56 (Characteristic marker)

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9
Q

Hematopoietic Stem Cells

A

CD34

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