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Although accumulated evidence suggests that α-particle irradiation induced bystander effect may relevant to lung injury and cancer risk assessment, the exact mechanisms are not yet elucidated. In the present study, a cell co-culture system was used to investigate the interaction between α-particle irradiated human bronchial epithelial cells (Beas-2B) and its bystander macrophage U937 cells. It was...
p53 mutations are critical players in etiopathogenesis of oral cancer. Interestingly, they show differences in terms of type and codon specificity. These differences might be attributed to geographical variations in tobacco use. We aimed to analyze the frequency of p53 mutations in oral cancer patients from Gujarat, India and their effect on clinico-pathological features, local recurrence and survival...
Using a zinc finger nuclease (ZFN) that creates a site-specific DNA double-strand break (DSB) at the endogenous ADH1 locus, we provide genetic evidence that histone H2AX and DSB-induced small RNAs modulate DNA repair by both non-homologous end-joining (NHEJ) and homologous recombination (HR) in the model plant Arabidopsis thaliana.
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