Yusuke Urushihara

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Nonhomologous end joining (NHEJ) and homologous recombination (HR) are known as DNA double-strand break (DSB) repair pathways. It has been reported that DNA-PK, a member of PI3 kinase family, promotes NHEJ and aberrant DNA-PK causes NHEJ deficiency. However, in this study, we demonstrate that a wild-type cell line treated with DNA-PK inhibitor and a mutant(More)
Heat shock protein promoters (hsp promoters) are powerful tools for investigating gene functions, as the expression of targeted genes can be controlled simply by heating. However, there have been no reports of the utilization of an endogeneous medaka (Oryzias latipes) hsp promoter to induce exogenous gene expression in medaka. We identified and cloned a(More)
Nbs1 is one of the genes responsible for Nijmegen breakage syndrome, which is marked with high radiosensitivity. In human NBS1 (hNBS1), Q185E polymorphism is known as the factor to cancer risks, although its DSB repair defect has not been addressed. Here we investigated the genetic variations in medaka (Oryzias latipes) wild populations, and found 40(More)
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