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Secreted protein acidic and rich in cysteine(SPARC) expression in gastric adenocarcinoma and its rela-tionship with the prognosis of patients with of gastric cancer / 实用肿瘤学杂志
Practical Oncology Journal ; (6): 501-506, 2015.
Artículo en Chino | WPRIM | ID: wpr-499183
ABSTRACT
Objective To study the expression of acid secreted proteins that are rich in cysteine protein (SPARC protein)in gastric adenocarcinoma tissue and its relationship with the prognosis of patients with gastric cancer.Methods In order to detect SPARC protein expression levels in gastric adenocarcinoma ,104 primary gastric adenocarcinoma samples as well as 30 normal gastric tissues adjacent to carcinoma were studied by immu-nohistochemistry .Results The positive rate of SPARC protein in 30 cases of gastric mucosa adjacent to carcino-ma is 20%,and with weak expression or no expression;The positive rate in 104 cases of gastric cancer tissues was 76.1%,the difference was significant(P<0.01).The high expression rate of SPARC and lymph node metastasis in gastric adenocarcinoma were positively correlated (P<0.01).The SPARC expression rate of well and moderate differentiation of gastric adenocarcinoma were significantly lower than that of the low differentiation ( P<0 .05 ) . The average survival time of gastric cancer patients with high SPARC expression was 27.4 months.However,the average survival time of the patients with low SPARC expression was 40.9 months.The difference was significant (P<0.05).Conclusion SPARC protein is mainly high expressed in gastric cancer stromal tissue cells and fi-broblasts .The expression level of SPARC protein is significantly associated with lymph node metastasis and tumor differentiation degree .The high expression of SPARC patients survival time is short and the prognosis is poor . However ,SPARC protein is not an independent prognostic factor .

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Estudio pronóstico Idioma: Chino Revista: Practical Oncology Journal Año: 2015 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Estudio pronóstico Idioma: Chino Revista: Practical Oncology Journal Año: 2015 Tipo del documento: Artículo