Scientists have made an important discovery that could lead to new drugs that reduce the severity of blood infections leading to sepsis. Research presented in the August 2010 issue of Journal of Leukocyte Biology shows how interfering with the function of the cell membrane protein called "Programmed Death 1" (PD-1) improves survival in a clinically relevant model of severe infection. "Clinical trials of anti-PD-1 are currently underway in patients with cancer and in patients with hepatitis C," said Richard S. Hotchkiss, M.D... 
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