The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Base Modification and Strand Breakage in Isolated Calf Thymus DNA and in DNA from Human Skin Epidermal Keratinocytes Exposed to Peroxynitrite or 3-Morpholinosydnonimine
Abstract
Exposure of isolated calf thymus DNA and human skin epidermal keratinocytes to peroxynitrite or the peroxynitrite generator, 3-morpholinosydnonimine (SIN-1), led to extensive DNA base modification. Large increases in xanthine and hypoxanthine, possible deamination products of guanine and adenine, respectively, and in 8-nitroguanine were observed, but only small changes in some oxidized base products were seen. This pattern of damage suggests that hydroxyl radicals were not major contributors to base modification caused by peroxynitrite, as OH is known to cause multiple oxidative modifications to all four DNA bases. Instead, it seems that reactive nitrogen species play a much greater role in the mechanism of base damage, producing both nitration and deamination of purine bases when DNA or whole cells are exposed to peroxynitrite. If this pattern of damage is unique to peroxynitrite, it might act as a marker of cellular damage by this species in vivo.
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Citations
Cites
Normal keratinization in a spontaneously immortalized aneuploid human keratinocyte cell line.
Boukamp, P., Petrussevska, R. T., Breitkreutz, D., Hornung, J., Markham, A., & Fusenig, N. E. (1988) · The Journal of cell biology · doi:10.1083/jcb.106.3.761 · Cited by 4,170
Cited by
Halliwell, B., & Whiteman, M. (2004) · British Journal of Pharmacology · doi:10.1038/sj.bjp.0705776 · Cited by 2,238
Self-citationFree radicals, oxidative stress, and antioxidants in human health and disease
Aruoma, O. I. (1998) · Journal of the American Oil Chemists' Society · doi:10.1007/s11746-998-0032-9 · Cited by 1,682
Self-citationUnraveling peroxynitrite formation in biological systems
Radi, R., Peluffo, G., Alvarez, M. N., Naviliat, M., & Cayota, A. (2001) · Free Radical Biology and Medicine · doi:10.1016/s0891-5849(00)00373-7 · Cited by 735
What nitrates tyrosine? Is nitrotyrosine specific as a biomarker of peroxynitrite formation in vivo?
Halliwell, B. (1997) · FEBS Letters · doi:10.1016/s0014-5793(97)00469-9 · Cited by 472
Self-citationSite‐specific DNA damage at GGG sequence by oxidative stress may accelerate telomere shortening
Oikawa, S., & Kawanishi, S. (1999) · FEBS Letters · doi:10.1016/s0014-5793(99)00748-6 · Cited by 435
Metadata
- Authors
- Spencer, J. P. E., Wong, J., Jenner, A., Aruoma, O. I., Cross, C. E., & Halliwell, B.
- Venue
- Chemical Research in Toxicology
- Publisher
- American Chemical Society (ACS)
- Published
- 1996-01-01
- Volume
- 9
- Issue
- 7
- Pages
- 1152-1158
- ISSN
- 0893-228X (ISSN-L)
- 1520-5010
- OpenAlex
- W2005921112
- Cited by
- 159
- References
- 1
- FWCI
- 6.63
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Base Modification and Strand Breakage in Isolated Calf Thymus DNA and in DNA from Human Skin Epidermal Keratinocytes Exposed to Peroxynitrite or 3-Morpholinosydnonimine. https://app.cochat.ai/papers/10.1021/tx960084i
- The paper
- Spencer, J. P. E., Wong, J., Jenner, A., Aruoma, O. I., Cross, C. E., & Halliwell, B. (1996). Base Modification and Strand Breakage in Isolated Calf Thymus DNA and in DNA from Human Skin Epidermal Keratinocytes Exposed to Peroxynitrite or 3-Morpholinosydnonimine. Chemical Research in Toxicology. https://doi.org/10.1021/tx960084i
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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