In a new study, researchers chip away again at the traditional view of carbon monoxide as a menace. They found that administering carbon monoxide to cancer cells in a dish could increase the cells’ susceptibility to chemotherapy 1,000-fold, while protecting normal cells. In mice with prostate and lung cancer, carbon monoxide inhibited tumor growth. Leo Otterbein, HMS associate professor of surgery at Beth Israel Deaconess Medical Center, led the research.
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