New York: Scientists have discovered the chemical that makes naked mole rats cancer-proof, a finding that could eventually lead to new cancer treatments. Naked mole rats are small, hairless, subterranean rodents that have never been known to get cancer, despite having a 30-year lifespan. Researchers led by Andrei Seluanov and Vera Gorbunova from the University of Rochester discovered that these rodents are protected from cancer because their tissues are very rich with high molecular weight hyaluronan (HMW-HA). The biologists` focus on HMW-HA began after they noticed that a gooey substance in the naked mole rat culture was clogging the vacuum pumps and tubing.
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