T-cells--Diebel Flashcards

1
Q

Th1 differentiation cytokines

A

IL-12
IL-18
IFN-γ

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2
Q

Th1 secreted cytokines

A

IFN-γ

TNF

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3
Q

Th17 differentiation cytokines

A

IL-1
IL-6
IL-23
TGF-β

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4
Q

Th17 secreted cytokines

A

IL-17

IL-22

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5
Q

Th2 differentiation cytokines

A

IL-4

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6
Q

Th2 secreted cytokines

A

IL-4
IL-5
IL-13

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7
Q

Threg differentiation cytokines

A

IL-2

TGF-β

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8
Q

Threg secreted cytokines

A

IL-10

TGF-β

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9
Q

Thfh differentiation cytokines

A

IL-6

IL-21

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10
Q

Thfh secreted cytokines

A

IL-4

IL-21

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11
Q

Th1 transcription regulator

A

T-Bet

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12
Q

Th17 transcription regulator

A

RORγt

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13
Q

Th2 transcription regulator

A

GATA3

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14
Q

Threg transcription regulator

A

FOXD3

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15
Q

Thfh transcription regulator

A

Bcl-6

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16
Q

α and β chains are interchangeable in the MHC-I/MHC-II molecule

A

MHC-II

17
Q

IFN-γ secreted by Th1 cells does what important action

A

M1 macrophage activation

18
Q

M1 macrophages secrete…

A

IL-1

TNF-α

19
Q

Th4 T-cells secrete IL-4, IL-5, and IL-13 that activate what type of cell

A

M2 macrophage

20
Q

Follicular cells secrete IL-4 and IL-21 that function to…

A

class switch B-cells

21
Q

Regulatory T-cells suppress the function of which cells?

A
activated CD4+ T-cells
Th0 cells (decreases proliferation)
22
Q

Cytotoxic T-cells depend on what activation mechanism?

A

FAS-FAS ligand in conjunction with CD8, TCR interacting with MHC-I

23
Q

T/F

Memory T-cells can redifferentiate back into cytotoxic T-cells

A

T

24
Q

How do you get memory T-cells from CD8+ cells?

A

medium expression of IL-2 receptor, like an ‘eh’ kind of differentiation

25
Q

Which type of cell express both MHC-I and MHC-II?

A

dendritic cells

26
Q

CD3 on T-cells is analogous to what on B-cells?

A

CD79a and CD79b

27
Q

T/F

Somatic hypermutation occurs in T-cells

A

F

T-cells are fully/terminally differentiated when they leave the thymus and don’t change after that

28
Q

TCR alpha genetics

A

VJ + constant region

29
Q

TCR beta genetics

A

VDJ + constant region

30
Q

T/F

Somatic mutation occurs in T-cells

A

T

somatic mutation: adding on some nucleotides to segments

31
Q

3 Class I gene loci

A

HLA-A
HLA-B
HLA-C

32
Q

of possible options for MHC-I α chain

A

6

HLA-A, B, and C from each mother and father

33
Q

3 Class II gene loci

A

HLA-DP
HLA-DQ
HLA-DR

34
Q

of possible options for MHC-II α and β combinations

A

12
HLA-DP, DQ, DR each from mother and father
alpha and beta from each
DPs MUST interact with other DPs, for example, however