Calico Scientists Publish Paper in eLife Demonstrating that the Naked Mole Rat’s Risk of Death Does Not Increase With Age

From Startup Calico Labs

Link to Full Article:

SOUTH SAN FRANCISCO, Calif. – January 25, 2018 – Calico scientists today
published new findings in the journal eLife demonstrating that the long-lived naked mole
rat has a flat mortality curve, defying Gompertzian laws that an animal’s risk of death
grows exponentially with age.  The paper, titled “Naked mole-rat mortality rates defy
gompertzian laws by not increasing with age,” was authored by J. Graham Ruby,
Megan Smith and Rochelle (Shelley) Buffenstein.

“We have long known that naked mole rats are unique mammals in that their 30+ year
lifespan goes well beyond what would be expected based on their ‘mouse-like’ size,”
said Dr. Buffenstein, Senior Principal Investigator at Calico.  “Research has shown that
the chance of dying for mammals such as humans, horses and mice, among others,
increases exponentially with age, according to Gompertz’ law.  Our research
demonstrates that naked mole rats do not age in the same manner as other mammals,
and in fact show little to no signs of aging, and their risk of death does not increase
even at 25 times past their time to reproductive maturity.  These findings reinforce our
belief that naked mole rats are exceptional animals to study to further our understanding
of the biological mechanisms of longevity.”

About Calico

Calico (Calico Life Sciences LLC) is an Alphabet-funded research and development
company whose mission is to harness advanced technologies to increase our
understanding of the biology that controls lifespan. Calico will use that knowledge to
devise interventions that enable people to lead longer and healthier lives. To learn more
about Calico, visit

Please visit their site for more information: Calico

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2018-07-13 05:59:07