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Journal of Environmental Pathology, Toxicology and Oncology
Импакт фактор: 1.625 5-летний Импакт фактор: 1.63 SJR: 0.402 SNIP: 0.613 CiteScore™: 2.3

ISSN Печать: 0731-8898
ISSN Онлайн: 2162-6537

Выпуски:
Том 39, 2020 Том 38, 2019 Том 37, 2018 Том 36, 2017 Том 35, 2016 Том 34, 2015 Том 33, 2014 Том 32, 2013 Том 31, 2012 Том 30, 2011 Том 29, 2010 Том 28, 2009 Том 27, 2008 Том 26, 2007 Том 25, 2006 Том 24, 2005 Том 23, 2004 Том 22, 2003 Том 21, 2002 Том 20, 2001

Journal of Environmental Pathology, Toxicology and Oncology

DOI: 10.1615/JEnvPathToxOncol.v23.i1.50
8 pages

Expression of NF-κB and ERK Following Heavy Ion Irradiation

Anirban Kumar Mitra
Radiation Biology Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India
Asiti Sarma
Nuclear Science Centre, New Delhi, India
Malini Krishna
Radioprotection and Decontamination Section, Radiation Biology and Health Sciences Division, Bhabha Atomic Research Centre, Mumbai-400085, India
Naresh C. Verma
Radiation Biology Division, Bhabha Atomic Research Centre, Mumbai, Pin. (400 085), India

Краткое описание

Heavy ion irradiation of cells is known to increase cytotoxic, mutagenic, and carcinogenic effects. The increased biological effectiveness of these ions is as yet unexplained, except for the fact that, unlike γ-radiation, they result in clustered damage. It is likely that the increased biological effectiveness is a consequence of altered signaling pattern, which in turn may be due to the difference in the nature of damage produced. Gamma irradiation has been known to activate both pro- and anti-apoptotic signaling pathways. Nuclear factor-κB (NF-κB) and extracellular signal regulated kinase (ERK) contribute to the survival of the irradiated cell. Moreover, NF-κB acts as a redox sensor. In the present study, we examined NF-κB and ERK as antiapoptotic factors that could lead to the inhibition of apoptosis and, consequently, to increased mutagenicity. Both these signaling factors show a fluctuation in their levels with time.


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