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Behold… the Mighty Naked Mole Rats!

Naked mole rats may be ugly, but they have an advantage -- you can get cancer, and they can't. Naked mole rats are the only known cancerless animal. Scientists have found that there is a very straightforward and interesting reason why. From the press release:

Despite a 30-year lifespan that gives ample time for cells to grow cancerous, a small rodent species called a naked mole rat has never been found with tumors of any kind—and now biologists at the University of Rochester think they know why.

The findings, presented in today's issue of the Proceedings of the National Academy of Sciences, show that the mole rat's cells express a gene called p16 that makes the cells "claustrophobic," stopping the cells' proliferation when too many of them crowd together, cutting off runaway growth before it can start. The effect of p16 is so pronounced that when researchers mutated the cells to induce a tumor, the cells' growth barely changed, whereas regular mouse cells became fully cancerous.

"We think we've found the reason these mole rats don't get cancer, and it's a bit of a surprise," say Vera Gorbunova and Andrei Seluanov, professors of biology at the University of Rochester and lead investigators on the discovery. "It's very early to speculate about the implications, but if the effect of p16 can be simulated in humans we might have a way to halt cancer before it starts."

Next, all we need to do is cross our genes with naked mole rats, and we'll become cancerless mole people for all eternity. Problem solved!

Comments (6) Trackbacks (1)
  1. Well, better a Morlock than an Eloi I guess.

  2. That’s an interesting post. I heard of these lucky animals but never looked into the subject thoroughly.

    As a biochemist I learnt that cancer is an biological inevitability. (Which s*cks, of cause.)
    Given enough time any multi cellular organism will sooner or later develop cancer.

    I suspect that it’s not different in mole rats only that they’re especially resistant
    to cancer because they own an efficient extra safeguard that other animals lack.

    By the way in my opinion modern cancer research merely s*cks.
    We need more scientist that, like Aubrey, think in terms of solving problems creatively rather than in the acquisition of knowledge with
    doubtful usefulness.

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