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Eur Arch Otorhinolaryngol. 2012 Apr;269(4):1073-83. doi: 10.1007/s00405-011-1831-4. Epub 2011 Nov 12.

Biomarkers predicting malignant progression of laryngeal epithelial precursor lesions: a systematic review.

Author information

1
Department of Otolaryngology, Hospital Universitario Central de Asturias, Oviedo, Spain.

Abstract

Some laryngeal epithelial precursor lesions progress to invasive carcinoma and others do not. Routine light microscopic classification has limited value in predicting the evolution of these lesions. This article reviews the experience to date with the use of molecular markers for the prognostic evaluation of laryngeal epithelial precursor lesions. We conducted a thorough review of the published literature to identify those studies using biomarkers to predict malignant progression of laryngeal epithelial precursor lesions. Of the 336 studies identified in this systematic search, 15 met the inclusion criteria and form the basis of this review. Limited studies suggest that certain biomarkers are potentially reliable predictors of malignant progression including various regulators of cell adhesion and invasion (e.g. FAK, cortactin, osteopontin, and CD44v6) and proliferation-associated markers such as TGF-βRII and Kv3.4. The predictive value of these markers, however, has yet to be confirmed in large-scale prospective studies. Although the cell cycle-related proteins are the most frequently studied markers, none have been consistently reliable across multiple studies. The absence of standardization in methodologies, test interpretation, and other parameters may contribute to study inconsistencies. Various biomarkers have proved to have potential prognostic value and could be clinically relevant. The utility and prognostic power of these biomarkers should be confirmed in large, well-designed, standardized prospective studies.

PMID:
22081098
DOI:
10.1007/s00405-011-1831-4
[Indexed for MEDLINE]

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