Role of Nitrative and Oxidative DNA Damage in Inflammation-Related Carcinogenesis
Joint Authors
Ma, Ning
Thanan, Raynoo
Kawanishi, Shosuke
Murata, Mariko
Source
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-10-17
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
Chronic inflammation induced by biological, chemical, and physical factors has been found to be associated with the increased risk of cancer in various organs.
We revealed that infectious agents including liver fluke, Helicobacter pylori, and human papilloma virus and noninfectious agents such as asbestos fiber induced iNOS-dependent formation of 8-nitroguanine and 8-oxo-7, 8-dihydro-2′-deoxyguanosine (8-oxodG) in cancer tissues and precancerous regions.
Our results with the colocalization of phosphorylated ATM and γ-H2AX with 8-oxodG and 8-nitroguanine in inflammation-related cancer tissues suggest that DNA base damage leads to double-stranded breaks.
It is interesting from the aspect of genetic instability.
We also demonstrated IL-6-modulated iNOS expression via STAT3 and EGFR in Epstein-Barr-virus-associated nasopharyngeal carcinoma and found promoter hypermethylation in several tumor suppressor genes.
Such epigenetic alteration may occur by controlling the DNA methylation through IL-6-mediated JAK/STAT3 pathways.
Collectively, 8-nitroguanine would be a useful biomarker for predicting the risk of inflammation-related cancers.
American Psychological Association (APA)
Murata, Mariko& Thanan, Raynoo& Ma, Ning& Kawanishi, Shosuke. 2011. Role of Nitrative and Oxidative DNA Damage in Inflammation-Related Carcinogenesis. BioMed Research International،Vol. 2012, no. 2012, pp.1-11.
https://search.emarefa.net/detail/BIM-991811
Modern Language Association (MLA)
Murata, Mariko…[et al.]. Role of Nitrative and Oxidative DNA Damage in Inflammation-Related Carcinogenesis. BioMed Research International No. 2012 (2012), pp.1-11.
https://search.emarefa.net/detail/BIM-991811
American Medical Association (AMA)
Murata, Mariko& Thanan, Raynoo& Ma, Ning& Kawanishi, Shosuke. Role of Nitrative and Oxidative DNA Damage in Inflammation-Related Carcinogenesis. BioMed Research International. 2011. Vol. 2012, no. 2012, pp.1-11.
https://search.emarefa.net/detail/BIM-991811
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-991811