The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Hypoxia Links ATR and p53 through Replication Arrest
Open accessAbstract
Previous studies have demonstrated that phosphorylation of human p53 on serine 15 contributes to protein stabilization after DNA damage and that this is mediated by the ATM family of kinases. However, cellular exposure to hypoxia does not induce any detectable level of DNA lesions compared to ionizing radiation, and the oxygen dependency of p53 protein accumulation differs from that of HIF-1, the hypoxia-inducible transcription factor. Here we show that, under severe hypoxic conditions, p53 protein accumulates only in S phase and this accumulation correlates with replication arrest. Inhibition of ATR kinase activity substantially reduces hypoxia-induced phosphorylation of p53 protein on serine 15 as well as p53 protein accumulation. Thus, hypoxia-induced cell growth arrest is tightly linked to an ATR-signaling pathway that is required for p53 modification and accumulation. These studies indicate that the ATR kinase plays an important role during tumor development in responding to hypoxia-induced replication arrest, and hypoxic conditions could select for the loss of key components of ATR-dependent checkpoint controls.
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Cites
Mice deficient for p53 are developmentally normal but susceptible to spontaneous tumours
Donehower, L. A., Harvey, M., Slagle, B. L., McArthur, M. J., Montgomery, C. A., Butel, J. S., & Bradley, A. (1992) · Nature · doi:10.1038/356215a0 · Cited by 4,649
Mdm2 promotes the rapid degradation of p53
Haupt, Y., Maya, R., Kazaz, A., & Oren, M. (1997) · Nature · doi:10.1038/387296a0 · Cited by 4,506
Regulation of p53 stability by Mdm2
Kubbutat, M. H. G., Jones, S. N., & Vousden, K. H. (1997) · Nature · doi:10.1038/387299a0 · Cited by 3,312 · cited 1×
“The product of the mdm-2 oncogene, itself a transcriptional target of p53, was shown to bind to the N terminus of p53 and inhibit p53 transactivation properties as well as promote its proteolytic degradation (26, 31, 37).”
BackgroundMomand, J., Zambetti, G. P., Olson, D. C., George, D., & Levine, A. J. (1992) · Cell · doi:10.1016/0092-8674(92)90644-r · Cited by 3,113
Hypoxia-mediated selection of cells with diminished apoptotic potential in solid tumours
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Self-citationDNA damage-induced phosphorylation of p53 alleviates inhibition by MDM2
Shieh, S.-Y., Ikeda, M., Taya, Y., & Prives, C. (1997) · Cell · doi:10.1016/s0092-8674(00)80416-x · Cited by 2,100
ATR-Mediated Checkpoint Pathways Regulate Phosphorylation and Activation of Human Chk1
Zhao, H., & Piwnica-Worms, H. (2001) · Molecular and Cellular Biology · doi:10.1128/mcb.21.13.4129-4139.2001 · Cited by 1,091
Regulation of tumor angiogenesis by p53-induced degradation of hypoxia-inducible factor 1α
Ravi, R., Mookerjee, B., Bhujwalla, Z. M., Sutter, C. H., Artemov, D., Zeng, Q., Dillehay, L. E., Madan, A., Semenza, G. L., & Bedi, A. (2000) · Genes & Development · doi:10.1101/gad.14.1.34 · Cited by 967
ATR disruption leads to chromosomal fragmentation and early embryonic lethality
Brown, E. J., & Baltimore, D. (2000) · Genes & Development · doi:10.1101/gad.14.4.397 · Cited by 951
DNA damage induces phosphorylation of the amino terminus of p53
Siliciano, J. D., Canman, C. E., Taya, Y., Sakaguchi, K., Appella, E., & Kastan, M. B. (1997) · Genes & Development · doi:10.1101/gad.11.24.3471 · Cited by 818
Cited by
Cell-cycle checkpoints and cancer
Kastan, M. B., & Bartek, J. (2004) · Nature · doi:10.1038/nature03097 · Cited by 2,836
ATM and related protein kinases: safeguarding genome integrity
Shiloh, Y. (2003) · Nature Reviews Cancer · doi:10.1038/nrc1011 · Cited by 2,577
DNA repair pathways as targets for cancer therapy
Helleday, T., Petermann, E., Lundin, C., Hodgson, B., & Sharma, R. A. (2008) · Nature Reviews Cancer · doi:10.1038/nrc2342 · Cited by 1,666
Vousden, K. H., & Ryan, K. M. (2009) · Nature Reviews Cancer · doi:10.1038/nrc2715 · Cited by 959
Hypoxia and Metabolic Adaptation of Cancer Cells
Eales, K. L., Hollinshead, K. E. R., & Tennant, D. A. (2016) · Oncogenesis · doi:10.1038/oncsis.2015.50 · Cited by 724
Metadata
- Authors
- Hammond, E. M., Denko, N. C., Dorie, M. J., Abraham, R. T., & Giaccia, A. J.
- Venue
- Molecular and Cellular Biology
- Publisher
- Informa UK Limited
- Published
- 2002-03
- Volume
- 22
- Issue
- 6
- Pages
- 1834-1843
- ISSN
- 0270-7306 (ISSN-L)
- 1098-5549
- OpenAlex
- W2108667455
- Cited by
- 324
- References
- 12
- FWCI
- 9.05
- Type
- journal article
- Language
- en
- Open access
- green
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