National Repository of Grey Literature 52 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Molecular analysis of head and neck carcinomas associated with HPV infection
Glendová, Kristýna ; Staněk, Libor (advisor) ; Tachezy, Ruth (referee)
Head and neck cancers (HNSCC) are highly heterogeneous disease, results from two major carcinogens - tobacco and/or alcohol, or HR HPV infection. This thesis was based on 60 biopsies of head and neck tumours embedded into paraffin after histological verification. HPV infection, including particular types was monitored in different HNSCC regions by multiplex qPCR. Subsequent IHC demonstrated expression of p16INK4A and p53 as a possible diagnostic biomarker. Based on the information, patients with HNSCC can benefit from antiEGFR therapy by Cetuximab, but so far without defined predictors, the analysis of point mutations of Ras gene family (Kras, Nras) and Braf gene was performed. These mutations were monitored as potential predictive biomarkers, in correlation with gender, age and other risk factors. For all statistical processing the Chi-x2 test was used. Key words: Head and neck cancers, biopsy, HPV types, PCR, p16INK4A, p53, molecular predictors, Kras, Nras, Braf

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