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Can a person live for more than 120 years?
What is the upper limit of human life and when humanity will be able to achieve immortality ? Human somatic cells die after about 50 divisions, and showing signs of aging on the approach to this boundary. This is called the Hayflick limit or limit the number of divisions of somatic cells.
Under the Hayflick limit the maximum duration of a person’s life is 120 years, but recent research shows that the upper limit of human life can be calculated correctly.
In vitro murine cells can divide indefinitely, whereas cells of other animals, to overcome the Hayflick limit, need only minimal amounts of oxygen.
Other promising research takes into account the telomeres, sections of DNA repeat sequences of nucleotides that serve as a kind of “biological clock”. These studies have shown that telomeres do not play a big role in the aging process and can be restored by using the correct enzymes.
It’s not a panacea for old age, but suggests that the limit of 120 years is not as insurmountable as once thought.
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Tags: Life , Cells , Hayflick limit , Telomeres , Humanity .
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