Cytokines, Interferons, and T-Helpers COPY Flashcards
What are the 5 Main T-Helpers?
- TH1
- TH2
- TH17
- TFH
- T-Reg

CD40Ligand function?
- Binds on CD40 (often on B-cells)
- Promotes Class Switch
- Can Activate Macrophage (working with IFN-Gamma)
What’s the main Type 2 interferon?
IFN-Gamma
“Macro Activator”

What cytokines does TFH Produce?

- IL-21
- AND ICOS
“Six members in 21 pilots”

What cytokine(s) make TH2?

IL-4
via GATA3

What cytokines does TH17 produce?

- IL-17
- IL-22
- And IL-6
“One after Sweet Sixteen and Big 2-1”

What cytokines does TH2 Produce?

- IL-4
- IL-5
- IL-13
“TH2 is the Even-Odd Creator”

Five Inflammo-kines?
- TNF
- CXCL8
- IL-1 (L +)
- IL-6 (L +)
- IL-12
What cytokines create Treg?

- TGF-B
- IL-2
via FoxP3
“TGIF, Peace out work week!”
“Gotta Relax for the 2-day weekend”

What’re the two Type 1 interferons?
IFN-a and IFN-B
Made by most cells
Activate NKs

What cytokines create TFH Cells?

- IL-6
via Bcl6
“Six members in 21 pilots”

Cytokine for early B-cell development?
IL-7
“Jackpot for lympho growth”
Works on T AND B Development

What cytokines create Th1?

- IFN-Gamma
- IL-12
via T-bet
“TH1 is the Auto-Gamma Radiator”

TH2 Main functions?

- Promote B-cell ab production
- Pump out IgE
- Activate Mast Cells
TH1 main functions in immune response?

- Activate Macrophages
- Stimulate B-cells to make abs
- Activate NK cells
What does Treg produce?

- TGF-B
- IL-10
“TGIF, Peace out work week!”
“Palms out (10 fingers) means stop!”

IL-3 Function?
Hematopoiesis; create lots o’ guys.

What cytokines does TH1 produce?

-IFN-Gamma
(Also IL-2, IL-3&GM-CSF)
“Th1 is the Auto-Gamma Radiator”

IL-12 Function?
Activate NK cells!
(and TH1)
“Dial 12 for the Ninja Killer hot-line!”

TFH Main Functions?

- B-cell Iso-Switching
- Ab production
Three functions of IL-2?

- Self-T-Cell Proliferation
- Augment IG synthesis
- Activate NK cells!
What cytokine(s) make TH17?

- TGF-Beta
- IL-6
- IL-23
“Thank God it’s Friday, June 23rd”
“Sweet 17 Birthday Cake”

TH17 main functions?

- (+) Neutrophil
- (+) Barrier Integrity
Five Innate Cytokines?
- IFN-a
- IFN-b
- TNF-a
- IL-12
- (Mid-phase) IFN-Gamma
Two Adaptive (Late Phase) cytokines?
- IL-2
- IFN-Gamma