What are cytokines and how are they relevant to melanoma?

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KimMargolinMD (Physician - Oncology - Hematology/Oncology (Verified) ) - 08 / 06 / 2012

Cytokines are substances that mediate communication between cells, in particular those of the immune system that require very specific types of cytokine to function correctly. It is possible to administer large amounts of purified cytokines to patients with melanoma and to activate a large number of T- and related other lymphocytes that possess sufficient anti-melanoma activity to provide remission. Interferon is such a cytokine, although its activity is very modest in both advanced melanoma and in the adjuvant setting. Interleukin-2 is a cytokine approved for advanced melanoma that can provide remissions in about one-fifth of patients, some of which are longlasting and may be cures. Cytokines are also important for more complex therapies under investigation, such as T cells expanded outside of the body and then re-infused, followed by cytokines to stimulate the cells’ activity and numbers. Cytokines may also be important as part of cancer vaccines under investigation.
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