Estrogen-dependent Switch Tempers Killing Activity Of Immune Cells

The sex hormone estrogen tempers the killing activity of a specific group of immune cells, the cytotoxic T cells, which are known to attack tumor cells and cells infected by viruses. The key player in this process is a cytotoxic T cell molecule which has been known for a long time and which scientists have named EBAG9. Cancer researchers in Berlin, Germany, have now unraveled the function of EBAG9.

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