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Human Skin Bacteria Have Cancer-fighting Powers

Published:15 Mar.2018    Source:Science News

Certain skin-dwelling microbes may be anticancer superheroes, reining in uncontrolled cell growth. This surprise discovery could one day lead to drugs that treat or maybe even prevent skin cancer.

The bacteria’s secret weapon is a chemical compound that stops DNA formation in its tracks. Mice slathered with one strain of Staphylococcus epidermidis that makes the compound developed fewer tumors after exposure to damaging ultraviolet radiation compared with those treated with a strain lacking the compound.

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