Business Services Industry
Sun-seeking immune cells rise up to fight skin cancer.
Australasian Business Intelligence, February, 2007
Feb 06, 2007 (New Scientist - ABIX via COMTEX) -- Researchers in the US have added to the body of knowledge about skin cancer. They have found that a burst of sunshine on the human skin can help to fight skin cancer and other diseases by attracting immune cells to the surface of the skin. Human skin produces the inactive form of vitamin D3 when the skin is exposed to sun. Immune cells convert the vitamin D3 to its active form and cause T-cells to change so that they can migrate to the upper layers of skin to repair sun damage. There is evidence that dendritic cells, which live in tissues in the nose and skin, act as "traffic controllers" for the human immune system. They "read" the environment and direct T-cells to where they are needed.
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