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Metal-induced oxidative stress and signal transduction.

Authors
Leonard-SS; Harris-GK; Shi-X
Source
Free Radic Biol Med 2004 Dec; 37(12):1921-1942
NIOSHTIC No.
20025840
Abstract
Occupational and environmental exposures to metals are associated with the development of various cancers. Although carcinogenesis caused by metals has been intensively investigated, the mechanisms of action, especially at the molecular level, are still unclear. Accumulating evidence indicates that reactive oxygen species generated by metals may play an important role in the etiology of disease. This review covers recent advances in (1) metal-induced generation of reactive oxygen species; (2) the receptors, kinases, and nuclear transcription factors affected by metals and metal-induced oxidative stress, including growth factor receptors, src kinase, ras signaling, mitogen-activated protein kinases, the phosphoinositide 3-phosphate/Akt pathway, nuclear transcription factor kappaB, activator protein 1, p53, nuclear factor of activated T cells, and hypoxia-inducible factor 1; and (3) global cellular phenomena (signal transduction, cell cycle regulation, and apoptosis) associated with metal-induced ROS production and gene expression.
Keywords
Metals; Carcinogenesis; Carcinogenicity; Carcinogens; Free-radicals; Occupational-exposure; Environmental-exposure; Cancer; Etiology; Diseases
Contact
Dr. Stephen S. Leonard, National Institute for Occupational Safety and Health, Pathology and Physiology Research Branch, Health Effect Laboratory Division, 1095 Willowdale Road, MS/2015, Morgantown, WV 26505, USA
CODEN
FRBMEH
Publication Date
20041215
Document Type
Journal Article
Email Address
SEL5@cdc.gov
Fiscal Year
2005
NTIS Accession No.
NTIS Price
Issue of Publication
12
ISSN
0891-5849
NIOSH Division
HELD
Source Name
Free Radical Biology and Medicine
State
WV
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