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Genetic factors regulate 3'-azido-3'-deoxythymidine-induced cytogenetic damage.

Vaccine Weekly

| May 05, 2004 | COPYRIGHT 2004 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

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 ...

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