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Immunotherapy for cancer using Interleukin-2

Immunotherapy for cancer using Interleukin-2

G442/0011

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Credit

PHILIPPE PLAILLY / SCIENCE PHOTO LIBRARY PHILIPPE PLAILLY / SCIENCE PHOTO LIBRARY

Caption

Immunotherapy for cancer: an autmomated machine adds nutrient medium to cell culture wells containing lymphocytes that have been doped with Interleukin-2 (IL-2). IL-2 is released naturally by certain key cells of the immune system (T- lymphocytes) after they have been activated by foreign antigens - of cancer cells, for instance. IL-2 amplifies the proliferation of other cell types, including lymphokine-activated natural killer (LANAK) cells that attack cancer cells directly. In this technique, blood is removed, doped with IL-2 & cultured in vitro for 3-4 weeks to raise the population of LANAK cells. The product is then re-injected into the patient. Photographed at Institut Gustave Roussy, Villejuif, France, 1989.

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