目的探讨食管癌组织中CT10激酶调节子样蛋白(CT10 regulator of kinase like protein,CRKL)及细胞增殖核抗原Ki67的表达及与病理学特征的相关性。方法采用免疫组化(SP)法,检测60例食管癌组织及与其配对的56例正常癌旁组织中的CRKL及Ki6...目的探讨食管癌组织中CT10激酶调节子样蛋白(CT10 regulator of kinase like protein,CRKL)及细胞增殖核抗原Ki67的表达及与病理学特征的相关性。方法采用免疫组化(SP)法,检测60例食管癌组织及与其配对的56例正常癌旁组织中的CRKL及Ki67蛋白表达情况。结果 CRKL蛋白在食管癌中阳性表达率为56.7%(34/60),明显高于在正常癌旁组织的阳性表达率5.4%(3/56,P<0.01);其表达与食管癌分化程度(P=0.027)、TMN分期(P=0.029)、浸润深度(P=0.049)及淋巴结转移(P=0.012)有关,与患者年龄、性别、肿瘤大小、部位无关(P>0.05)。Ki67蛋白在食管癌中阳性表达率为68.3%(41/60),明显高于在正常癌旁组织的阳性表达率9.1%(5/56)(P<0.01);其表达与肿瘤的TMN分期(P=0.006)、淋巴结转移(P=0.028)有关,与患者年龄、性别、肿瘤大小、部位、分化程度、浸润深度无关(P>0.05)。CRKL及Ki67蛋白在食管癌组织中的表达呈正相关(r=0.352,P=0.006)。结论检测CRKL及Ki67可判断食管癌的恶性程度,CRKL可成为食管癌预后的临床预测指标及分子治疗的新靶点。展开更多
Phosphatase and tensin homolog deleted on chromosome 10（PTEN） and the proliferating antigen Ki67 have been widely studied in several tumors.However,their role as indicator in non-small cell lung cancer（NSCLC）remai...Phosphatase and tensin homolog deleted on chromosome 10（PTEN） and the proliferating antigen Ki67 have been widely studied in several tumors.However,their role as indicator in non-small cell lung cancer（NSCLC）remains unknown.Here,we investigated the expression of PTEN and Ki67 in NSCLC tissues and paired normal lung tissues to identify whether these proteins are associated with lung cancer development and survival.Immunohistochemistry for PTEN and Ki67 was performed on 67 lung cancer tissues and 41 paired adjacent normal lung tissues to detect the expression of these two proteins.The expression of PTEN in NSCLC tissues（32.8%） was significantly lower than that in normal tissues（82.9%,P 〈 0.05）.In contrast,the expression of Ki67 in NSCLC tissues（76.1%） was significantly higher than that in normal tissues（27.3%,P 〈 0.05）.Expression of both PTEN and Ki67 were strongly associated with tumor histology,clinical stage,lymph node metastasis,differentiation and4-year postoperative survival rate（P 〈 0.05）.However,PTEN expression was negatively correlated with Ki67 expression（r =-0.279,P 〈 0.05）.In conclusion,low PTEN expression and Ki67 overexpression are associated with malignant invasion and lymph node metastasis of NSCLC.These proteins may serve as diagnostic and prognostic biomarkers of NSCLC.展开更多
目的探讨脑胶质瘤组织中磷酸酯酶及张力蛋白同源物(phosphatase and tensin homologue deleted on chromosome 10,PTEN)和细胞核相关抗原Ki-67的表达及其相关性。方法对43例脑胶质瘤患者手术切除的胶质瘤标本进行病理分级,采用免疫组织...目的探讨脑胶质瘤组织中磷酸酯酶及张力蛋白同源物(phosphatase and tensin homologue deleted on chromosome 10,PTEN)和细胞核相关抗原Ki-67的表达及其相关性。方法对43例脑胶质瘤患者手术切除的胶质瘤标本进行病理分级,采用免疫组织化学方法检测PTEN、Ki-67的阳性表达率,并与9例正常脑组织进行比较。结果PTEN在正常脑组织中阳性表达率为100.0%,在胶质瘤组织中阳性表达率为51.2%,差异有统计学意义(P<0.05);Ki-67在正常脑组织阳性表达率为0,在胶质瘤组织中阳性表达率为55.8%,差异有统计学意义(P<0.05)。结论PTEN在胶质瘤组织中表达随恶性程度增加呈下降趋势;Ki-67仅在胶质瘤标本中表达,且随恶性程度增加呈增高趋势。展开更多
文摘目的探讨食管癌组织中CT10激酶调节子样蛋白(CT10 regulator of kinase like protein,CRKL)及细胞增殖核抗原Ki67的表达及与病理学特征的相关性。方法采用免疫组化(SP)法,检测60例食管癌组织及与其配对的56例正常癌旁组织中的CRKL及Ki67蛋白表达情况。结果 CRKL蛋白在食管癌中阳性表达率为56.7%(34/60),明显高于在正常癌旁组织的阳性表达率5.4%(3/56,P<0.01);其表达与食管癌分化程度(P=0.027)、TMN分期(P=0.029)、浸润深度(P=0.049)及淋巴结转移(P=0.012)有关,与患者年龄、性别、肿瘤大小、部位无关(P>0.05)。Ki67蛋白在食管癌中阳性表达率为68.3%(41/60),明显高于在正常癌旁组织的阳性表达率9.1%(5/56)(P<0.01);其表达与肿瘤的TMN分期(P=0.006)、淋巴结转移(P=0.028)有关,与患者年龄、性别、肿瘤大小、部位、分化程度、浸润深度无关(P>0.05)。CRKL及Ki67蛋白在食管癌组织中的表达呈正相关(r=0.352,P=0.006)。结论检测CRKL及Ki67可判断食管癌的恶性程度,CRKL可成为食管癌预后的临床预测指标及分子治疗的新靶点。
基金supported by Nanjing Medical University Focus Development and Natural Science Foundation of China
文摘Phosphatase and tensin homolog deleted on chromosome 10（PTEN） and the proliferating antigen Ki67 have been widely studied in several tumors.However,their role as indicator in non-small cell lung cancer（NSCLC）remains unknown.Here,we investigated the expression of PTEN and Ki67 in NSCLC tissues and paired normal lung tissues to identify whether these proteins are associated with lung cancer development and survival.Immunohistochemistry for PTEN and Ki67 was performed on 67 lung cancer tissues and 41 paired adjacent normal lung tissues to detect the expression of these two proteins.The expression of PTEN in NSCLC tissues（32.8%） was significantly lower than that in normal tissues（82.9%,P 〈 0.05）.In contrast,the expression of Ki67 in NSCLC tissues（76.1%） was significantly higher than that in normal tissues（27.3%,P 〈 0.05）.Expression of both PTEN and Ki67 were strongly associated with tumor histology,clinical stage,lymph node metastasis,differentiation and4-year postoperative survival rate（P 〈 0.05）.However,PTEN expression was negatively correlated with Ki67 expression（r =-0.279,P 〈 0.05）.In conclusion,low PTEN expression and Ki67 overexpression are associated with malignant invasion and lymph node metastasis of NSCLC.These proteins may serve as diagnostic and prognostic biomarkers of NSCLC.
文摘目的探讨脑胶质瘤组织中磷酸酯酶及张力蛋白同源物(phosphatase and tensin homologue deleted on chromosome 10,PTEN)和细胞核相关抗原Ki-67的表达及其相关性。方法对43例脑胶质瘤患者手术切除的胶质瘤标本进行病理分级,采用免疫组织化学方法检测PTEN、Ki-67的阳性表达率,并与9例正常脑组织进行比较。结果PTEN在正常脑组织中阳性表达率为100.0%,在胶质瘤组织中阳性表达率为51.2%,差异有统计学意义(P<0.05);Ki-67在正常脑组织阳性表达率为0,在胶质瘤组织中阳性表达率为55.8%,差异有统计学意义(P<0.05)。结论PTEN在胶质瘤组织中表达随恶性程度增加呈下降趋势;Ki-67仅在胶质瘤标本中表达,且随恶性程度增加呈增高趋势。
