Article
Transcription-independent suppression of DNA synthesis by p53 in sperm-irradiated mouse zygotes.
Oncogene - 5 May 2005
Toyoshima Megumi, Shimura Tsutomu, Adiga Satish-Kumar, Taga Masataka, Shiraishi Kazunori, Inoue Masao, Yuan Zhi-Min, Niwa Ohtsura
Abstract excerpt
Cell cycle arrest in response to DNA damage is important for the maintenance of genomic integrity in higher eukaryotes. We have previously reported the novel p53-dependent S-phase checkpoint operating in mouse zygotes fertilized with irradiated sperm. In the present study, we analysed the detail of the p53 function required for this S-phase checkpoint in mouse zygotes. The results indicate that ATM kinase is...
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