Article
Radiation-generated short DNA fragments may perturb non-homologous end-joining and induce genomic instability.
Journal of radiation research - 1 Jan 2011
Pang Dalong, Winters Thomas A, Jung Mira, Purkayastha Shubhadeep, Cavalli Luciane R, Chasovkikh Sergey, Haddad Bassem R, Dritschilo Anatoly
Abstract excerpt
Cells exposed to densely ionizing radiation (high-LET) experience more severe biological damage than do cells exposed to sparsely ionizing radiation (low-LET). The prevailing hypothesis is that high-LET radiations induce DNA double strand-breaks (DSB) that are more complex and clustered, and are thereby more challenging to repair. Here, we present experimental data obtained by atomic force microscopy imaging,...
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