Sun-seeking immune cells rise up to fight skin cancer

 作者:潘坨岁     |      日期:2019-03-02 05:03:01
A BLAST of sunshine doesn’t just ward off depression. It could also help fight skin cancer and other skin diseases by attracting immune cells to the skin surface. Skin produces the inactive form of vitamin D3 in response to sun exposure. Now Eugene Butcher of Stanford University in California and his colleagues have shown that immune cells in the skin known as dendritic cells convert the inactive vitamin D3 into its active form. The active form then causes T-cells – immune cells that destroy damaged and infected cells,