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Molecular profile of tongue squamous cell carcinoma with linfonodal mtastasis: microarray and functional analysis

Grant number: 10/18568-5
Support Opportunities:Regular Research Grants
Duration: April 01, 2012 - November 30, 2015
Field of knowledge:Health Sciences - Dentistry
Principal Investigator:Fabio Daumas Nunes
Grantee:Fabio Daumas Nunes
Host Institution: Faculdade de Odontologia (FO). Universidade de São Paulo (USP). São Paulo , SP, Brazil


The oral squamous cell carcinoma is a common cancer disease with tobacco and alcohol consumption as main risk factors. Nowadays, patient's survival in five years after the disease diagnosis is low, although the efforts in cancer research and the progress in diagnosis and therapy strategies. The presence of lymph node metastasis is one of most important prognosis indicator of oral squamous cell carcinoma. Until now, the cellular and molecular mechanisms of oral squamous cell carcinoma metastasis are not well comprehended. The microarray methodology allows individual gene evaluation but also gene groups that are tidily expressed to generate a molecular signature of biological state. However, the expression is affected by clinical variables as age, location, clinical staging, among others. The objective of this project is to understand the genes function with high and low expression in the oral squamous cell carcinoma patient's group with a defined clinical profile and staging T3N+. The gene profile of this group will be compared with the gene profile of other group with similar clinical information but staging T3N0, by the microarray methodology. The selected genes will be analyzed using over expression and silencing of genes techniques in oral squamous cell carcinoma lineages. This study is the first initiative to find important genes of metastasis mechanism of oral squamous cell carcinoma in a defined profile of patients group. (AU)

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