If we can figure out a way to increase the efficiency of telomere repair in human cells , would you expect human lifespan to increase or decrease ?
Added by Joshua B.
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Step 1: There are multiple factors related to mortality in humans, such as neuron lifespan, mitochondrial dysfunction, stem cell exhaustion, and accumulation of errors in DNA. Show more…
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Telomere shortening puts limit on the number of times a cell can divide. Research has shown that the enzyme telomerase can extend the life span of cultured human cells: How might adding telomerase affect cellular aging? Telomerase will speed up the rate of cell proliferation Telomerase eliminates telomere shortening and slows aging: Telomerase shortens telomeres, which delays cellular aging: Telomerase would have no effect on cellular aging_
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If we could turn on telomerase activity in all our cells, we could prevent aging.
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What is a telomere? Describe how telomere shortening is thought to influence variation in life span among individuals. Is telomere length associated with life span in zebra finches? In elderly humans? In different mammal species, after controlling for shared evolutionary history? What is different about the role of telomeres in the biology of aging in mice versus humans?
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