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Inducible Nitric Oxide Synthase in the Carcinogenesis of Gastrointestinal Cancers

  1. Author:
    de Oliveira, G. A.
    Cheng, R. Y.
    Ridnour, L. A.
    Basudhar, D.
    Somasundaram, V.
    McVicar, D. W.
    Monteiro, H. P.
    Wink, D. A.

  2. Author Address

    1 Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health , Frederick, Maryland.;2 Laboratorio de Sinalizacao Celular, Universidade Federal de Sao Paulo , Sao Paulo, Brazil .
    1. Year: 2017
    2. Date: Jun 20
    3. Epub Date: 10/31/2016
  2. Journal: Antioxidants & Redox Signaling
    1. 26
    2. 18
    3. Pages: 1059-1077
  4. Type of Article: Article
  5. ISSN: 1523-0864
  1. Abstract:

    SIGNIFICANCE: Gastrointestinal (GI) cancer taken together constitutes one of the most common cancers worldwide with a broad range of etiological mechanisms. In this review, we have examined the impact of nitric oxide (NO) on the etiology of colon, colorectal, gastric, esophageal, and liver cancers. Recent Advances: Despite differences in etiology, initiation, and progression, chronic inflammation has been shown to be a common element within these cancers showing interactions of numerous pathways. NO generated at the inflammatory site contributes to the initiation and progression of disease. The amount of NO generated, time, and site vary and are an important determinant of the biological effects initiated. Among the nitric oxide synthase enzymes, the inducible isoform has the most diverse range, participating in numerous carcinogenic processes. There is emerging evidence showing that inducible nitric oxide synthase (NOS2) plays a central role in the process of tumor initiation and/or development. CRITICAL ISSUES: Redox inflammation through NOS2 and cyclooxygenase-2 participates in driving the mechanisms of initiation and progression in GI cancers. FUTURE DIRECTIONS: Understanding the underlying mechanism involved in NOS2 activation can provide new insights into important prevention and treatment strategies. Antioxid. Redox Signal. 00, 000-000.

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External Sources

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  2. DOI: 10.1089/ars.2016.6850
  3. PMID: 27494631
  4. View record in Web of Science®
  5. WOS: 000402997000003

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