Actividad de tirosina-proteina-quinasas en cáncer de mama: comparación con la actividad obtenida en patologías benognas y en tejidos normales / Tyrosina-protein-kinase activity in breath cancer: comparison between benign pathologies and normal tissues activity
Rev. méd. Chile
;
123(2): 165-75, feb. 1995. tab, ilus
Artigo
em Espanhol
| LILACS
| ID: lil-151169
RESUMO
Tyrosine protein kinase (TPK) activity is associated to malignant cellular transformation. This work compares TPK activity in 27 surgical biopsy samples of mammary carcinoma, 10 samples of normal mammary tissue. TPK activity was determined in tissue homogenates using (Val5) angiotensin II as exogenous substrate. In samples of mammary carcinoma, TPK activity was 33.86 ñ 31.98 pmol P32/mg protein/30 min. This value was significantly higher that those observed in fibrocystic disease (3.92 ñ 2.35), fibroadenomas (13.86 ñ 10.9) and normal tissue (3.56 ñ 3.02)
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Índice:
LILACS (Américas)
Assunto principal:
Proteínas Tirosina Quinases
/
Neoplasias da Mama
Tipo de estudo:
Estudo observacional
/
Fatores de risco
Limite:
Adulto
/
Feminino
/
Humanos
Idioma:
Espanhol
Revista:
Rev. méd. Chile
Assunto da revista:
Medicina
Ano de publicação:
1995
Tipo de documento:
Artigo
/
Documento de projeto
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