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Expression of melanoma antigen gene in urinary transitional cell carcinomas / 中华外科杂志
Chinese Journal of Surgery ; (12): 667-671, 2005.
Artigo em Chinês | WPRIM | ID: wpr-264445
ABSTRACT
<p><b>OBJECTIVE</b>To evaluate the significance of melanoma antigen (MAGE) gene expression in bladder transitional cell carcinoma (TCC).</p><p><b>METHODS</b>MAGE-A1, A2, A3, A4 mRNA expression was detected by reverse transcription polymerase chain reaction (RT-PCR) in 3 clusters bladder TCC cells and 20 samples of bladder TCC patients (T(1) 7 samples, T(2) 5 samples, T(3) 6 samples, T(4) 2 samples, G(1) 1 samples, G(2) 11 samples, G(3) 8 samples). MAGE-A4 protein was detected by immunohistochemistry in 105 samples of bladder TCC patients (T(1) 35 samples, T(2) 12 samples, T(3) 26 samples, T(4) 13 samples, G(1) 13 samples, G(2) 44 samples, G(3) 48 samples).</p><p><b>RESULTS</b>Three clusters bladder TCC cells had MAGE gene mRNA expression. In detection of MAGE mRNA of 20 samples of bladder TCC patients, 12 samples (60%) expressed MAGE-A1, 16 samples (80%) expressed MAGE-A2, 11 samples (55%) expressed MAGE-A3, 18 samples (90%) expressed MAGE-A4, 8 samples (40%) expressed all of MAGE-A1--A4. In 105 bladder TCC samples, 53 samples (50%) expressed MAGE-A4 protein. Strong expression (++ or +++) was significant higher in higher grade (13 samples/48 samples) or stage (14 samples/51 samples) than in lower grade (2 samples/57 samples) or stage (0 samples/35 samples).</p><p><b>CONCLUSION</b>MAGE gene highly expresses in bladder TCC. Bladder TCC of high grade or high stage has higher MAGE-A4 protein strong expression.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Neoplasias da Bexiga Urinária / RNA Mensageiro / Células Tumorais Cultivadas / Carcinoma de Células de Transição / Expressão Gênica / Reação em Cadeia da Polimerase Via Transcriptase Reversa / Antígenos Específicos de Melanoma / Genética / Metabolismo / Antígenos de Neoplasias Limite: Adulto / Idoso / Aged80 / Feminino / Humanos / Masculino Idioma: Chinês Revista: Chinese Journal of Surgery Ano de publicação: 2005 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Neoplasias da Bexiga Urinária / RNA Mensageiro / Células Tumorais Cultivadas / Carcinoma de Células de Transição / Expressão Gênica / Reação em Cadeia da Polimerase Via Transcriptase Reversa / Antígenos Específicos de Melanoma / Genética / Metabolismo / Antígenos de Neoplasias Limite: Adulto / Idoso / Aged80 / Feminino / Humanos / Masculino Idioma: Chinês Revista: Chinese Journal of Surgery Ano de publicação: 2005 Tipo de documento: Artigo