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Acacetin and chrysin, two polyphenolic compounds, alleviate telomeric position effect in human cells.

Abstract：

:We took advantage of the ability of human telomeres to silence neighboring genes (telomere position effect or TPE) to design a high-throughput screening assay for drugs altering telomeres. We identified, for the first time, that two dietary flavones, acacetin and chrysin, are able to specifically alleviate TPE in human cells. We further investigated their influence on telomere integrity and showed that both drugs drastically deprotect telomeres against DNA damage response. However, telomere deprotection triggered by shelterin dysfunction does not affect TPE, indicating that acacetin and chrysin target several functions of telomeres. These results show that TPE-based screening assays represent valuable methods to discover new compounds targeting telomeres.Molecular Therapy-Nucleic Acids (2013) 2, e116; doi:10.1038/mtna.2013.42; published online 20 August 2013.

journal_name

Mol Ther Nucleic Acids

journal_title

Molecular therapy. Nucleic acids

authors

Boussouar A,Barette C,Nadon R,Saint-Léger A,Broucqsault N,Ottaviani A,Firozhoussen A,Lu Y,Lafanechère L,Gilson E,Magdinier F,Ye J

doi

10.1038/mtna.2013.42

subject

Has Abstract

pub_date

2013-08-20 00:00:00

pages

e116

issn

2162-2531

pii

mtna201342

journal_volume

2

pub_type

杂志文章

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