Scientists at the University of Washington and other institutions have identified 25 genes regulating lifespan in two organisms separated by about 1.5 billion years in evolutionary change. At least 15 of those genes have very similar versions in humans, suggesting that scientists may be able to target those genes to help slow down the aging process and treat age-related conditions.
These findings also give new insight into the genetic basis of aging, the scientists said, and provide some of the first quantitative evidence that genes regulating aging have been conserved during the process of evolution. Earlier evolutionary theories suggested that aging was not genetically controlled, since an organism does not get any advantage in natural selection by having a very long lifespan that goes far past their reproductive age.
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