Objective To determine whether the serum vasular endothelial growth factor(VEGF) level could be used as a predictor of recurrence and disease progression in patients with colorectal cancer.Methods Serum levels of VEGF...Objective To determine whether the serum vasular endothelial growth factor(VEGF) level could be used as a predictor of recurrence and disease progression in patients with colorectal cancer.Methods Serum levels of VEGF in 30 healthy controls,85 patients with colorectal cancer and 21 patients between half and 4 years after colorectal cancer operation were measured with a sandwich enzyme immunoassay(ELISA),and the results were analyzed.Results Significant differences in the VEGF level were observed between controls and the patients with Duke′s A stage( P <0.01).Whereas there was no significant difference between healthy controls and high differentiation cancers( P >0.05).The VEGF level was significantly associated with Duke′s stage of the patients( P <0.05).Patients with lymph node metastasis(Duke′s C) had higher VEGF levels than those without it(Duke′s B, P < 0.01 ).There were significantly differences between patients with recurrence and no recurrence after surgical resection( P <0.01).Conclusion The results of this study suggest that the serum VEGF level is a useful marker for colorectal cancer and the elevation of serum VEGF level may be used as a new independent predictor of recurrence and disease progression.展开更多
目的:探讨血浆m i R-210联合血清肿瘤标志物糖链抗原199(carbohydrate antigen 199,CA199)、CA242、癌胚抗原(carcino-embryonic antigen,CEA)对胰腺癌的诊断价值.方法:对60例胰腺癌患者、20例慢性胰腺炎患者及10例正常对照组的血标本进...目的:探讨血浆m i R-210联合血清肿瘤标志物糖链抗原199(carbohydrate antigen 199,CA199)、CA242、癌胚抗原(carcino-embryonic antigen,CEA)对胰腺癌的诊断价值.方法:对60例胰腺癌患者、20例慢性胰腺炎患者及10例正常对照组的血标本进行RNA抽提,并进行mi R-210的实时PCR检测,同时对血清肿瘤标志物CA199、CA242、CEA进行检测,分析血浆mi R-210相对表达量与临床特征的关系,评估血浆mi R-210联合血清肿瘤标志物CA199、CA242、CEA对胰腺癌的诊断效能.结果:mi R-2l0在胰腺癌血浆中的相对表达量显著高于慢性胰腺炎组及正常对照组(4.12±4.51 vs 1.49±3.94,-1.73±4.82;均P<0.01),胰腺癌患者血浆m i R-21水平与C A199、C A242、C E A、肿瘤最大直径、T N M分期及临床分期无关.经二分类Logistic回归模型分析发现,血浆mi R-210单独在胰腺癌组比正常组、胰腺癌组比慢性胰腺炎组和胰腺癌组比慢性胰腺炎组+正常组中的敏感性、特异性分别为:96.7%、50.0%;95.0%、25.0%;86.7%、40.0%.血浆m i R-210联合肿瘤标志物CA199、CA242、CEA后在以上三组中的敏感性、特异性分别为:96.7%、70.0%;90.0%、85.0%;86.7%、90.0%.结论:血浆m i R-210联合血清肿瘤标志物C A199、C A242、C E A能提高胰腺癌的诊断效能.展开更多
文摘Objective To determine whether the serum vasular endothelial growth factor(VEGF) level could be used as a predictor of recurrence and disease progression in patients with colorectal cancer.Methods Serum levels of VEGF in 30 healthy controls,85 patients with colorectal cancer and 21 patients between half and 4 years after colorectal cancer operation were measured with a sandwich enzyme immunoassay(ELISA),and the results were analyzed.Results Significant differences in the VEGF level were observed between controls and the patients with Duke′s A stage( P <0.01).Whereas there was no significant difference between healthy controls and high differentiation cancers( P >0.05).The VEGF level was significantly associated with Duke′s stage of the patients( P <0.05).Patients with lymph node metastasis(Duke′s C) had higher VEGF levels than those without it(Duke′s B, P < 0.01 ).There were significantly differences between patients with recurrence and no recurrence after surgical resection( P <0.01).Conclusion The results of this study suggest that the serum VEGF level is a useful marker for colorectal cancer and the elevation of serum VEGF level may be used as a new independent predictor of recurrence and disease progression.
文摘目的:探讨血浆m i R-210联合血清肿瘤标志物糖链抗原199(carbohydrate antigen 199,CA199)、CA242、癌胚抗原(carcino-embryonic antigen,CEA)对胰腺癌的诊断价值.方法:对60例胰腺癌患者、20例慢性胰腺炎患者及10例正常对照组的血标本进行RNA抽提,并进行mi R-210的实时PCR检测,同时对血清肿瘤标志物CA199、CA242、CEA进行检测,分析血浆mi R-210相对表达量与临床特征的关系,评估血浆mi R-210联合血清肿瘤标志物CA199、CA242、CEA对胰腺癌的诊断效能.结果:mi R-2l0在胰腺癌血浆中的相对表达量显著高于慢性胰腺炎组及正常对照组(4.12±4.51 vs 1.49±3.94,-1.73±4.82;均P<0.01),胰腺癌患者血浆m i R-21水平与C A199、C A242、C E A、肿瘤最大直径、T N M分期及临床分期无关.经二分类Logistic回归模型分析发现,血浆mi R-210单独在胰腺癌组比正常组、胰腺癌组比慢性胰腺炎组和胰腺癌组比慢性胰腺炎组+正常组中的敏感性、特异性分别为:96.7%、50.0%;95.0%、25.0%;86.7%、40.0%.血浆m i R-210联合肿瘤标志物CA199、CA242、CEA后在以上三组中的敏感性、特异性分别为:96.7%、70.0%;90.0%、85.0%;86.7%、90.0%.结论:血浆m i R-210联合血清肿瘤标志物C A199、C A242、C E A能提高胰腺癌的诊断效能.