Molecular mechanisms of arsenic carcinogenesis

Chuanshu Huang, Qingdong Ke, Max Costa, Xianglin Shi

Research output: Contribution to journalReview articlepeer-review

230 Scopus citations


Arsenic is a metalloid compound that is widely distributed in the environment. Human exposure of this compound has been associated with increased cancer incidence. Although the exact mechanisms remain to be investigated, numerous carcinogenic pathways have been proposed. Potential carcinogenic actions for arsenic include oxidative stress, genotoxic damage, DNA repair inhibition, epigenetic events, and activation of certain signal transduction pathways leading to abberrant gene expression. In this article, we summarize current knowledge on the molecular mechanisms of arsenic carcinogenesis with an emphasis on ROS and signal transduction pathways.

Original languageEnglish
Pages (from-to)57-66
Number of pages10
JournalMolecular and Cellular Biochemistry
Issue number1-2
StatePublished - Jan 2004

Bibliographical note

Funding Information:
This work was supported by grants CA094964 and CA103180 from NIH/NCI.


  • Arsenic
  • Carcinogenesis
  • Gene expression
  • Genetic toxicity
  • Kinase
  • Methylation
  • Reactive oxygen species
  • Signal transduction

ASJC Scopus subject areas

  • Molecular Biology
  • Clinical Biochemistry
  • Cell Biology


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