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PCB 4233C Immunology
Matching/Definitions/Terms


Chapter 13  
Match each Cytokine to its main biological activity. Utilize your book or link to Resources for help. 
Print this page and fill in  your answers--be prepared to discuss items in class. 
Innate Immunity 
Description 
Answer
a. Interleukin 1 (IL-1a,IL-1b)  1.  Stimulates proliferation and differentation; induces class switch to IgA 
b. Interleukin 2 (IL-2)  2.  Suppresses cytokine production and thus indirectly reduces cytokine production by TH1 cells 
c. Interleukin 3 (IL-3)  3.  Inhibits activation and release of inflammatory cytokines; important regulator of inflammatory response. 
d.  Interleukin 4 (IL-4)  4.  Acts synergistically with IL-2 to induce differentation into CTLs. Stimulates proliferation of NK, LAK, and activated TH1 cells 
e. interleukin 5  5.  Co-stimulates activation TH. Promotes maturation and clonal expansion of B-cells. 
f. Interleukin 6  6.  Co-stimulates activation of B-cells. Stimulates proliferation and differentiation; induces class switch to IgG1 and IgE. 
g. Interleukin 8 (IL-8)  7.  Supports growth and differentiation of hematopoietic cells. Stimulates growth and histamine secretion from Mast cells. 
h. Interleukin 10 (IL-10)  8. Promotes terminal differentiation of B-cells into plasma cells. Induces synthesis of acute-phase proteins. 
i. Interleukin 12 (IL-12)  9. Chemokine; chemotactically attracts; induces adherence to vascular endothelium and extravasation into tissues. 
j. Interleukin 13 (IL-13) 

 
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