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2004 MAY 5 - (NewsRx.com & NewsRx.net) -- Genetic factors regulate 3'-azido-3'-deoxythymidine-induced cytogenetic damage.
"The activation of telomerase in phytohemagglutinin-stimulated peripheral lymphocytes is thought to play a role in telomere maintenance and DNA repair. Considering the importance of this enzyme in both cancer and senescence" the "telomerase inhibitor 3'-azido-3'-deoxythymidine was studied for its effect "on the frequency of chromosomal aberrations and micronuclei induced in peripheral blood lymphocytes (PBL) of elderly monozygotic and dizygotic twins, evaluated with respect to the genotoxic effects induced in unrelated young subjects," wrote scientists in Italy.
Results "show that the cytogenetic damage induced by 3'-azido-3'-deoxythymidine in human PBL was mainly regulated by genetic factors and allowed the identification of hypersensitive subjects," D. Caporossi and colleagues report.
"Ageing, which did not modify the individual susceptibility to 3'-azido-3'-deoxythymidine induction of chromosome ...