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Detection and Characterization of Oncogene Mutations in Preneoplastic and Early Neoplastic Lesions

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Molecular Toxicology Protocols

Part of the book series: Methods in Molecular Biology ((MIMB,volume 1105))

Abstract

While it has been nearly 30 years since its discovery, the ras family of genes has not yet lost its impact on basic and clinical oncology. These genes remain central to the field of molecular oncology as tools for investigating carcinogenesis and oncogenic signaling, as powerful biomarkers for the identification of those who have or are at high risk of developing cancer, and as oncogene targets for the design and development of new chemotherapeutic drugs. Mutational activation of the K-RAS proto-oncogene is an early event in the development and progression of the colorectal, pancreatic, and lung cancers that are the major causes of cancer death in the world. The presence of point mutational “hot spots” at sites necessary for the activation of this proto-oncogene has led to the development of a number of highly sensitive PCR-based methods that are feasible for the early detection of K-RAS oncogene mutations in the clinical setting. In light of these facts, mutation at the K-RAS oncogene has the potential to serve as a useful biomarker in the early diagnosis and risk assessment of cancers with oncogenic ras signaling. This chapter describes a highly sensitive method for detecting mutant K-RAS, enriched PCR, and its application to early detection of alterations in this oncogene in preneoplastic and early neoplastic lesions of the colon and rectum.

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Authors and Affiliations

  1. Divisions of Translational and Clinical Oncology and Surgical Oncology, Cancer Research Institute, Kanazawa University and Hospital, 13-1 Takara-machi, Kanazawa, 920-0934, Japan

    Toshinari Minamoto

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  1. Toshinari Minamoto
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Correspondence to Toshinari Minamoto .

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Editors and Affiliations

  1. Occupational Health, University of Pittsburgh Dept. Environmental &, Pittsburgh, Pennsylvania, USA

    Phouthone Keohavong

  2. Dept. of Pharmaceutical Sciences, Nova Southeastern University College of Pharmacy, Fort Lauderdale, Florida, USA

    Stephen G. Grant

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© 2014 Humana Press

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Minamoto, T. (2014). Detection and Characterization of Oncogene Mutations in Preneoplastic and Early Neoplastic Lesions. In: Keohavong, P., Grant, S. (eds) Molecular Toxicology Protocols. Methods in Molecular Biology, vol 1105. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-62703-739-6_29

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  • DOI: https://doi.org/10.1007/978-1-62703-739-6_29

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  • Publisher Name: Humana Press, Totowa, NJ

  • Print ISBN: 978-1-62703-738-9

  • Online ISBN: 978-1-62703-739-6

  • eBook Packages: Springer Protocols

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