Cellular Immune 1- Part 3 Flashcards

1
Q

FIRST:
CD154-CD __

A

40

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2
Q

SECOND:
CD28-CD__
CD28-CD87 with _ cells

A

80
B

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3
Q

What is the function of the following:
CD28-80
CD28-86 B cells

A

Activation of T cells or APC

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4
Q

What IL- _ cells up regulate survival genes, increase energy metabolism and promotes T cell division?

A

IL-2 T cells

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5
Q

CD152-80/86= T cell ___________

A

Suppression

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6
Q

What is the following:
Production of Indoleamine dioxygenase - destroys tryptophan

A

T cell suppression

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7
Q

T cell suppression: (CD152-80/86)
Absence of tryptophan = T cells cannot respond to antigen = T cell response is __________

A

Terminated

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8
Q

After binding to an antigen the TCR causes the T cell to _______ CD40 ligand

A

Express

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9
Q

Dendritic cells and macrophages are stimulated through TLR2 secrete IL-__

A

23

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10
Q

Th0 differentiate into Th__ cell

A

17

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11
Q

Th0 with IL-6 and IL-23 and transforming growth factor beta= Th__

A

17

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12
Q

Th17 —> IL-__

A

17

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13
Q

IL-__ = neutrophil accumulation and activation = promotes __________

A

17
Inflammation

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14
Q

Interaction between APC and T cells generates a supramolecular structure = ___________ synapse

A

Immunological

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15
Q

What has the main function of gene expression = proteins?

A

Transcription factors:
Nuclear factor kB, activated T cells
Activator protein-1

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16
Q

Stimulation of T cells require, _______ signals

A

Multiple

17
Q

How many MHC 1 molecules + antigens are required to activate 1 CD8 T cell?

A

1

18
Q

How many MHC 2 + antigens are required to activate 1 CD4 T cell molecule

A

1000

19
Q

With NO or WITH CD28= 8000 MHC + antigens = _____ TCR

A

8000

20
Q

Only antigen + 1 TCR= _____ signal
Multiple antigens and TCR= ______ strong

A

Weak strong

21
Q

With costimulation and LESS antigen = ______ signal

A

Strong