Cigarette smoke cannot only cause cancer, but it's also responsible for the spread of it, according to research by UC Merced biochemistry Professor Henry Jay Forman.
Forman discovered tobacco smoke activates an enzyme — called Src — that causes cancer cells to spread to other parts of the body. The study will appear in the April 15 edition of Free Radical Biology and Medicine.
Cigarette smoke is the major cause of lung cancer, Forman said, but nearly half of lung cancer patients remain active smokers. Nonetheless, researchers haven't understood how cigarette smoke causes cancer to metastasize.
The lab was also able to prevent cigarette smoke from activating the enzyme by introducing an antioxidant. Forman's discovery could prove useful in the fight against cancer, as it creates more understanding on how it spreads and how antioxidants can help combat this.
Forman will present his findings on April 21 at the Experimental Biology 2012 conference in San Diego.
Forman coauthored the paper with a professor from the University of Padova in Italy. Forman served as a visiting professor during the summer while also conducting research.
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