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Frequency of TERT promoter mutations in human cancers

Reactivation of telomerase has been implicated in human tumorigenesis, but the underlying mechanisms remain poorly understood. Here we report the presence of recurrent somatic mutations in the TERT promoter in cancers of the central nervous system (43%), bladder (59%), thyroid (follicular cell-derived, 10%) and skin (melanoma, 29%). In thyroid cancers, the presence of TERT promoter mutations (when occurring tog...

Health Science Research: The Role of Translation

Molecular genetics of papillary thyroid carcinoma: great expectations...

Papillary thyroid carcinoma (PTC) is the most prevalent type of endocrine cancer and, in recent epidemiological surveys, one of the types of human cancer whose incidence is growing. Despite the favourable outcome and long survival rates of most patients, some tumours display an aggressive behaviour and may progress to the highly aggressive and lethal, anaplastic thyroid carcinoma. In recent years, several progr...

Poorly differentiated and undifferentiated neoplasms of the thyroid gland. Clin...

Faz-se a revisão clinico-patológica de uma série de 34 neoplasias malignas pouco diferenciadas da tiróide reclassificadas com recurso a métodos ultrastruturais e imunocitoquímicos (demonstração da tireoglobulina, calcitonina, queratinas, antigénio leucocitário comum, cadeias leves e pesadas de imunoglobulinas e antigénio-relacionado com o Factor VIII). A maioria dos 23 carcinomas anaplásticos revelou-se total o...