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Deoxyinosine triphosphate induces MLH1/PMS2- and p53-dependent cell growth arrest and DNA instability in mammalian cells.
https://repo.qst.go.jp/records/47889
https://repo.qst.go.jp/records/4788962607f71-c109-467a-a51b-e38c093166e7
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-04-27 | |||||
タイトル | ||||||
タイトル | Deoxyinosine triphosphate induces MLH1/PMS2- and p53-dependent cell growth arrest and DNA instability in mammalian cells. | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Yoneshima, Yasuto
× Yoneshima, Yasuto× Abolhassani, Nona× Iyama, Teruaki× Sakumi, Kunihiko× Shiomi, Naoko× Mori, Masahiko× Shiomi, Tadahiro× Noda, Tetsuo× Tsuchimoto, Daisuke× Nakabeppu, Yusaku× 塩見 尚子× 森 雅彦× 塩見 忠博 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Deoxyinosine (dI) occurs in DNA either by oxidative deamination of a previously incorporated deoxyadenosine residue or by misincorporation of deoxyinosine triphosphate (dITP) from the nucleotide pool during replication. To exclude dITP from the pool, mammals possess specific hydrolysing enzymes, such as inosine triphosphatase (ITPA). Previous studies have shown that deficiency in ITPA results in cell growth suppression and DNA instability. To explore the mechanisms of these phenotypes, we analysed ITPA-deficient human and mouse cells. We found that both growth suppression and accumulation of single-strand breaks in nuclear DNA of ITPA-deficient cells depended on MLH1/PMS2. The cell growth suppression of ITPA-deficient cells also depended on p53, but not on MPG, ENDOV or MSH2. ITPA deficiency significantly increased the levels of p53 protein and p21 mRNA/protein, a well-known target of p53, in an MLH1-dependent manner. Furthermore, MLH1 may also contribute to cell growth arrest by increasing the basal level of p53 activity. | |||||
書誌情報 |
Scientific reports 巻 6, p. 32849-1-32849-16, 発行日 2017-04 |
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出版者 | ||||||
出版者 | Nature Publishing Group | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 27618981 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1038/srep32849 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5020429/pdf/srep32849.pdf | |||||
関連名称 | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5020429/pdf/srep32849.pdf |