...cells. The researchers have since tried to use it to increase the activity of the immune system against cancer and chronic infections by decreasing IDO and an IDO-inhibitor in phase II clinical trials in cancer, Mellor said. But they have also...

...HEPATITIS C'S TOLL Hepatitis C has infected about 3.9 million people, and about 2.7 million suffer from a chronic infection from the virus, which attacks the liver and is the No. 1 cause of liver transplants, according to the Centers...

...wondered if the end of AIDS might be near. Perhaps the pills that miraculously changed HIV from a death sentence to a chronic infection would go the final step, they thought, eventually curing the infection by purging every trace of the virus from...

...boost recently from research at Brigham and Women's Hospital in Boston. It showed that men with blood evidence of chronic infections have triple the risk of heart disease. The study, though, could not trace the source of the infection, and there...

...this micro-inflammation, as doctors call it, happens is still a mystery. However, a leading theory is that chronic infection with common germs might be the cause. If so, the study raises the possibility that antibiotics and vaccines, along...

...attack by the mother's immune system. IDO has since been implicated in immune problems such as tumor survival, chronic infections such as HIV and autoimmune diseases. The chemical might be one reason some vaccines fail to get an adequate immune...

...HEPATITIS C'S TOLL Hepatitis C has infected about 3.9 million people, and about 2.7 million suffer from a chronic infection from the virus, which attacks the liver and is the No. 1 cause of liver transplants, according to the Centers...