USMLE

IL-3

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Cytokines
  1. TNF-alpha
  2. IL-1
  3. IL-2
  4. IL-3
  5. IL-4
  6. IL-5
  7. IL-6
  8. IL-8
  9. IL-10
  10. IL-12
  11. TGF-beta
  12. IFN-alpha and IFN-beta
  13. IFN-gamma

Summary

Interleukin-3 (IL-3) is a cytokine primarily produced by Helper T-Cells. IL-3 is important for the growth and differentiation of blood cells in the bone marrow.

Key Points

  • Interleukin-3 (IL-3)
    • Secreted by all activated Helper T-cells
    • Supports growth and differentiation of bone marrow stem cells
      • Similar function to GM-CSF