探讨职业病工作人员甲胎蛋白（AFP）、癌胚抗原（CEA）及CA199在各年龄段的变化。
To discuss AFP, CEA and CA199 change in every age group of occupational disease staffs.
癌胚抗原(CEA)是存在于血液中和某些肿瘤细胞表面的一种高分子量糖蛋白(200kd)。
Carcinoembryonic Antigen (CEA) is one kind of glycoprotein with high molecular weight (200kd), existing in the blood or on the surface of some tumor cells.
目的构建癌胚抗原（CEA）与热休克蛋白70（HSP70）的真核双表达质粒，并检测其在体外的表达。
Objective To construct the eukaryotic coexpression plasmid encoding carcinoembryonic antigen(CEA) and heat shock proteins 70 (HSP70), then detect the expression of the plasmid in vitro.
目的探讨支气管肺泡灌洗液(BALF)、血清中铁蛋白(SF)、糖链抗原199 (CA- 199)和癌胚抗原(CEA)测定对肺癌的诊断价值。
Objective To explore the diagnostic value of lung cancer of serum ferritin (SF), carbohydrate antigen (CA-199) and carcinoembryonic antigen (CEA) in bronchoalveolar lavage fluid (BALF) and serum.
目的探讨联合检测血清中肿瘤标志物甲胎蛋白（AFP）、癌胚抗原（CEA）、糖类抗原125（CA125）、CA19-9对消化系恶性肿瘤的诊断价值。
Objective To explore the clinical value of combined detection of alpha fetoprotein(AFP), carcinoembryonic antigen(CEA), CA125 and CA19-9 in the diagnosis of malignant tumors in digestive system.
目的：探讨贲门癌患者根治术治疗前后血清可溶性上皮型钙黏蛋白(SE - CAD)和癌胚抗原(CEA)水平的变化。
Objective To investigate the changes of serum SE-CAD and CEA levels after definitive surgery in patients with cardiac cancer.
目的：探讨贲门癌患者根治术治疗前后血清可溶性上皮型钙黏蛋白(SE - CAD)和癌胚抗原(CEA)水平的变化。
Objective To investigate the changes of serum SE-CAD and CEA levels after definitive surgery in patients with cardiac cancer.
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