Sentences with phrase «adding telomerase»
Adding telomerase to dividing cells in culture can lengthen their lifespan (ScienceNOW, 13 January 1998), but no one has found a direct link between telomeres and animal aging.
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Researchers hoped that adding telomerase would keep cells dividing long enough to replace tissues lost to injury or disease.
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The enzyme telomerase slows this degradation by adding new DNA to the ends of telomeres.
Telomerase adds back the lost DNA and keeps cancer cells, for example, forever young.
«Telomerase is a unique protein - RNA complex where the protein subunit uses its RNA component as a template to add identical fragments of DNA to the end of chromosomes,» said Emmanuel Skordalakes, Ph.D., associate professor in the Gene Expression and Regulation program of Wistar's NCI - designated Cancer Center.
Telomerase offsets cellular aging by lengthening the telomeres, adding back lost DNA repeats to add time onto the molecular clock countdown, effectively extending the lifespan of the cell.
The suspected immortalizing agent is an enzyme called telomerase (tee - LOW - mer - ace) that adds DNA to the endcaps, or telomeres, of the cell's chromosomes.
Telomere shortening occurs in human cells because the enzyme telomerase that adds DNA to the telomere is only active in few cell types, namely stem cells, and is turned off in most other human cells.
The Nobel Prize in Medicine was awarded to three scientists in 2009 for describing an enzyme, telomerase, that can add length to telomeres and holds the potential to slow or reverse aging.