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  Contents > Previous page > Article detail print Download
o Issue N# 1 - 1999 o

CERVICO-FACIAL CARCINOLOGY

Elements of epidemiology and initiation of carcinogenesis in carcinomas of the upper aerodigestive tract. Future therapeutic consequence ?


Authors : G. Dolivet, P. Colosetti, J. L. Merlin, Cl. Depardieu, M. Lapeyre, E. Wattel, J. Sarini, J. Ton Van, L. Geoffrois, Ph. Lagarde (Vandoeuvre les Nancy)

Ref. : Rev Laryngol Otol Rhinol 1999;120,1:5-12.

Article published in french



Summary : The study of epidemiology and of the carcinogenesis in epidermoid carcinomas of the upper aerodigestive tract shows that their occurrence is not random. Tobacco abuse plays a major role, especially because of benzopyrene, mutagen of the P53 gene, however it is associated with many other potentiating factors : alcohol, metals, hydrocarbures, virus, food, climate, genetic fragility that create genetic lesions at the origin of carcinogenesis. The latter occurs as "field cancerization" with multiple alterations of the mucosa and general attack of the control systems of the differentiation, growth and cell apoptosis which usually protect the cell against the phenomena of carcinogenesis. The P53 protein gene, retinoid receptors as well as the system of detoxifying glutathion S transferase are modified at the very early stage of these diseases, these abnormalities can be logically related to epidemiological data. These date lead us therefore to imagine complementary specific reverting therapies of induced genetic abnormalities, through the reexpression of non mutated gene encoding P53 protein and the use of retinoid. These various modalities are reported hereafter.


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