Scientists extend telomeres to slow cell aging

A modified RNA that encodes a telomere-extending protein to cultured human cell yielded large numbers of cells for study Scientists at the Stanford University School of Medicine have developed a new procedure that uses modified messenger RNA to quickly and efficiently increase the length of human telomeres , the protective caps on the ends of chromosomes that are associated with aging and disease. Treated cells behave as if they are much younger than untreated cells, multiplying with abandon in the laboratory dish rather than stagnating or dying.

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