Lymphokine
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Lymphokines are a subset of cytokines that are produced by a type of immune cell known as a lymphocyte.[1] They are protein mediators typically produced by T cells to direct the immune system response by signalling between its cells. Lymphokines have many roles, including the attraction of other immune cells, including macrophages and other lymphocytes, to an infected site and their subsequent activation to prepare them to mount an immune response. Circulating lymphocytes can detect a very small concentration of lymphokine and then move up the concentration gradient towards where the immune response is required. Lymphokines aid B cells to produce antibodies.
Important lymphokines secreted by the T helper cell include:[2]
- Interleukin 2
- Interleukin 3
- Interleukin 4
- Interleukin 5
- Interleukin 6
- Granulocyte-macrophage colony-stimulating factor
- Interferon-gamma
[edit] References
- ^ Julius M. Cruse; Robert Edwin Lewis (20 April 2009). Illustrated dictionary of immunology. CRC Press. pp. 208–. ISBN 9780849379871. http://books.google.com/books?id=X4X8d2SmQB0C&pg=PA208. Retrieved 24 April 2011.
- ^ Guyton, AC; Hall, JE. (2006) Medical Physiology, Elsevier Saunders. 11th edition, pp.447.
[edit] External links
- MeSH Lymphokines
- lymphokine at eMedicine Dictionary
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