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Type: Artigo de periódico
Title: Gst Genes Expression As Prognostic Factor In Papillary Thyroidcancer [sistema Glutation-s-transferase Como Fator Prognóstico No Carcinoma Papilífero Da Tireoide]
Author: Goncalves A.J.
Monte O.
Morari E.C.
Ward L.S.
Nakasako D.S.
Nieto J.
Nakai M.Y.
Abstract: Purposes. Analyze the relationship between the AMES classification and molecular factors from Glutation-S-Transferase System, specifically the GSTT1 and GSTM1 in patients with well differentiated thyroid cancer. Methods. Samples of thyroid tissue of 66 patients with papillary thyroid carcinoma were obtained (53 women and 13 men). Patients were divided in two groups (high and low risk) according to the AMES classification. In each group, presence of the null genotype of both GST enzymes system was studied. These results were compared with the AMES classification. Samples were obtained in the operating room immediately after thyroidectomy, placed in cryotubes, immersed in liquid nitrogen and stored in a freezer at - 80°C. DNA of this enzymes was extracted by the fenol-cloroformium method. Results. There were 17 high risk patients and 49 low risk patients. The null genotype of the high risk group was 5.8% and in the other group was 6.1%. Conclusion. There was no relationship between absence of genes GSTT1 and GSTM1 and prognosis of the papillary thyroid carcinoma when compared to the AMES classifications.
Rights: fechado
Identifier DOI: 
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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