Cytokines Flashcards
GM-CSF
Producing Cell: Th
Target Cell: progenitor cells
Function: Growth and differentiation of monocytes and DC
IL-1alpha and IL-1beta
Producing: monocytes, macs,bcells,DC
Target: Th cells, b cells, nk cells, inflammation, acute phase response, fever
Th cells do what?
co stimulation
Il-2
Producing: Th1 cells
Target Cell: Activated T and B cells, NK cells
Function: growth, proliferation, activation
IL-3
Producing: Th Cells and natural killer cells
Target cell:
- Stem cell: growth and differentiation
- Mast cell: growth and histamine release
Il-4
producing: Th2 cells
Target cell
-Activated B cell: proliferation and differentiation, IgG and IgE synthesis
-Macrophages: MHC Class II
T Cells: proliferation
IL-5
Producing: Th2
Target cells: activated B cell
to do proliferation and differentiation
IgA synthesis
IL-6
Producing: monocytes, macrophages, Th2 cells, stromal cells
Target cell:
- Activated B cells: differentiation into plasma cells
- Plasma Cells: antibody secretion
- Stem cells: differentiation
- Various: acute phase response
IL-7
Producing cell: marrow stroma and thymus stroma
Target: stem cells to differentiation into progenitor B and T cells
IL-8
Producing: macrophages and endothelial cells
Target: neutrophils to do chemotaxis
Il-10
Producing cell: Th2
Target
- Cell: macrophages: cytokine production
- b cell activation
IL-12
Producing cell: macrophages and B cells
Target:
- activated T cells: differentiate into CTL(cytotoxic t lymphocytes) (with Il-2)
- NK cell activation
IFN-alpha
Producing cell: leukocytes
Function: Various: viral replication and MHC I expression
IFN-beta
Producing cell: Fibroblasts
Function: various viral replication and MHC I expression
IFN-gama
Producing cell: TH1, Tc cells, NK cells
Function:
- viral replication
- Macrophages: MHC expression and pathogen elimination
- Ig class switch to IgG2a
- Th2 cells: proliferation