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Review of MicroRNA Proposed Target Genes in Oral Cancer. Part II

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Author(s): Antonia Kolokythas | Michael Miloro | Xiaofeng Zhou

Journal: Journal of Oral & Maxillofacial Research
ISSN 2029-283X

Volume: 2;
Issue: 2;
Start page: e2;
Date: 2011;
Original page

Keywords: oral cancer | head and neck cancer | microRNA | gene targeting | carcinogenesis tests

ABSTRACT
Objectives: Cancer is the product of alterations in oncogenes, tumour suppressor genes and most recently microRNA genes not as a single event or single change but rather as a multistep process. The role of microRNA genes in carcinogenesis is recently explored and appears to be an early event in the pathogenesis of this as well as other disease processes and occurs via gene regulation by their own products, the microRNAs.Material and Methods: A review of the available literature from 2000 to 2011 regarding the potential roles assumed by microRNAs in oral cancer was undertaken using PubMed, Medline, Scholar Google and Scopus. Keywords for the search were: microRNA and oral cancer and target genes, microRNA deregulation and oral cancer, microRNA and carcinogenesis in the head and neck/oral cavity. English language full length articles were reviewed.Results: Several microRNAs deregulated in oral cancer have been functionally validated and their exact target genes have been identified. Furthermore the carcinogenesis pathways impacted by these alterations has been proposed for some of these microRNAs.Conclusions: The expanding knowledge of specific roles of certain microRNAs is further contributing to our understanding of the complexity of tumour progression and behaviour. Consideration of this information and incorporation into treatment modalities through targeted therapy could potentially enhance our abilities to improve outcome especially when other established therapies have failed.
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