Cited by 65DNA Repair MechanismsMetal complexes synthesis and propertiesCell death mechanisms and regulation

The involvement of ataxia-telangiectasia mutated protein activation in nucleotide excision repair-facilitated cell survival with cisplatin treatment

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Colton, Stephanie L., Xu, Xiaoxin S., Wang, Y. Alan, Wang, Gan·2006·Journal of Biological Chemistry

Abstract

DNA damage can lead to either DNA repair with cell survival or to apoptotic cell death. Although the biochemical processes underlying DNA repair and apoptosis have been extensively studied, the mechanisms by which cells determine whether the damage will be repaired or the apoptotic pathway will be activated is largely unknown. We have studied the role of nucleotide excision repair (NER) in cisplatin DNA damage-induced apoptotic cell death using both normal human fibroblasts and NER-defective xeroderma pigmentosum (XP) XPA and XPG cells. The caspase-3 activation experiment demonstrated a greatly increased casapse-3 activation in the NER-defective cells following cisplatin treatment. The flow cytometry experiment revealed an altered cell cycle arrest pattern of the NER-defective cells following cisplatin treatment. The results obtained from the Western blot experiment showed that NER defects resulted in enhanced CHK1 phosphorylation and p21 induction after cisplatin treatment. The cisplatin treatment-induced ATM phosphorylation, however, was attenuated in NER-defective cells. The results obtained from our immunoprecipitation experiment further demonstrated that the ATM protein interacted with the TFIIH basal transcription factor and the XPG protein of the NER pathway. It also showed that a functional XPC protein was required for the association of the ATM protein to genomic DNA. These results suggest that the NER process may prevent the cisplatin treatment-induced apoptosis by activating the ATM protein, and that the presence of the XPC protein is essential for recruiting the ATM protein to the DNA template.

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  1. Park, C. H., and Sancar, A. (1994) Proc. Natl. Acad. Sci. U. S. A. 91, 5017-5021
  2. Matsuoka, S., Rotman, G., Ogawa, A., Shiloh, Y., Tamai, K., and Elledge, S. J. (2000) Proc. Natl. Acad. Sci. U. S. A. 97, 10389 -10394
  3. Shen, K., Wang, Y., Brooks, S. C., Raz, A., and Wang, Y. A. (2006) J. Cell Biol., in press

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Authors
Colton, S. L., Xu, X. S., Wang, Y. A., & Wang, G.
Affiliations
Wayne State University (US)
Corresponding author
Wang, Gan
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2006-09
Volume
281
Issue
37
Pages
27117-27125
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1974533828
Cited by
65
References
74
Citations by year
2024: 4 · 2023: 5 · 2022: 4 · 2021: 1 · 2020: 1 · 2019: 5 · 2018: 2 · 2016: 2 · 2015: 8 · 2014: 3 · 2013: 4 · 2012: 3
FWCI
1.88
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Wayne State University
  • National Institutes of Health (5p30es006639-15, ES06639, P30 ES06639)
  • National Institute of Environmental Health Sciences (P-30-ES06639, T32ES01216, R01ES009699)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Oncology › Metal complexes synthesis and properties
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
Keywords
ATM, nucleotide excision repair, cisplatin, apoptosis, xeroderma pigmentosum, XPA, XPG, XPC, caspase-3 activation, cell cycle arrest, Chk1 phosphorylation, p21, TFIIH, DNA damage response
MeSH terms
Checkpoint Kinase 1, Antineoplastic Agents, Cell Survival, Cisplatin, DNA Damage, DNA Repair, DNA-Binding Proteins, Enzyme Activation, Fibroblasts, Humans, Nucleotides, Phosphorylation, Protein Kinases, Apoptosis, Protein Serine-Threonine Kinases, Cell Cycle Proteins, Caspases, Tumor Suppressor Proteins, Caspase 3, Ataxia Telangiectasia Mutated Proteins

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