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Evaluation between PTEN, Akt, Mdm2 and p53 signaling pathways in different HNSCC cell lines treated with epidermal growth factor and 17-AAG

Grant number: 06/06728-2
Support Opportunities:Regular Research Grants
Duration: February 01, 2007 - January 31, 2009
Field of knowledge:Health Sciences - Dentistry
Principal Investigator:Decio dos Santos Pinto Junior
Grantee:Decio dos Santos Pinto Junior
Host Institution: Faculdade de Odontologia (FO). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Head and neck squamous cell carcinoma (HNSCC) represents 90% of all head and neck malignancies. Cancer growth, invasion and metastasis are due to several signaling pathways that, unfortunately, are not completely understood. The aim of this study will be the crosstalk evaluation between PTEN, Akt, Mdm2 and p53 signaling pathways in four different HNSCC cell lines (HN6, HN19, HN30 and HN31) and HaCat cell line (immortalized keratinocytes), treated with 10ng/ml EGF (epidermal growth factor) and 17-AAG. Western blot and imunofluorescence will be perform in order to analyze PTEN and PI3K signaling key target proteins: PTEN, Akt, Mdm2 and p53. (AU)

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