
癌胚抗原
Background: Carcinoembryonic antigen (CEA), one of the most widely used tumor markers, has been recently associated with carotid atherosclerosis.
背景: 癌胚抗原(CEA)是应用最为广泛的肿瘤标志物,近来有研究认为它与颈动脉粥样硬化相关。
The Procedures of isolation and purification of the carcinoembryonic antigen from hepatic metastatic tissue of colonic carcinoma were presented.
本文报道从结肠癌肝转移灶中提取和纯化癌胚抗原的步骤。
And compared with the serum level of carcinoembryonic antigen.
并与血清癌胚抗原水平进行比较。
We also found that the amount of carcinoembryonic antigen(CEA) per unit volume of tumor in serum of tumor bearing animals decreased as the number of passage was incerased.
带瘤裸鼠血清中单位瘤体积癌胚抗原(CEA)含量也逐渐下降。 这一结果提示:异体恶性细胞在免疫缺陷动物体内连续传代有可能导致恶性的逆转。
OBJECTIVE To prepare and study the oral carcinoembryonic antigen (CEA) positive tumor gene vaccine capsules.
目的研制癌胚抗原(CEA)阳性肿瘤基因疫苗结肠溶胶囊。
OBJECTIVE:To study the clinical value of carcinoembryonic antigen (CEA) and cancer antigen 199 (CA199) in the diagnosis of lung cancer.
目的:探讨癌胚抗原(CEA)及癌抗原199(CA199)对肺腺癌诊断的应用价值。
Carcinoembryonic antigen (CEA) assay: A test that measures the level of CEA in the blood.
测定:是对血液中癌胚抗原水平进行检测的一个检验。
Objective To assess the value of combined detection of cytology and carcinoembryonic antigen(CEA)in cerebrospinal fluid(CSF)for clinical diagnosis of meningeal carcinomatosis(MC).
目的探讨脑脊液细胞学与脑脊液CEA联合检测对脑膜癌病临床检测价值。
Methods Pleural and serum levels of cytokeratin 19 fragment (CYFRA21-1) and carcinoembryonic antigen (CEA) were determined in 108 patients with pleural effusions(68 malignant and 40 tuberculous).
方法胸水患者108例,其中癌性68例,结核性40例,分别测定其血清、胸水中CYFRA_(21-1)和CEA的浓度。
Objective To investigate the relationship between the serum levels of alpha fetoprotein (AFP), carcinoembryonic (CEA), cancer antigen 125 (CA125) and chronic heart failure (CHF).
目的研究糖蛋白性肿瘤相关抗原甲胎蛋白(AFP)、癌胚抗原(CEA)及癌抗原125(CA125)与慢性心力衰竭(CHF)的关系。
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 peripheral lung cancer of carcinoembryonic antigen(CEA)in bronchoalveolar lavage fluid(BALF).
目的探讨支气管肺泡灌洗液(BALF)中癌胚抗原(CEA)测定对周围型肺癌的诊断价值。
Methods: The correlation of FOBT with gross blood stool, carcinoembryonic antigen (CEA), tumor site, histopathologic type and the stage of tumor was analyzed in 382 patients with colorectal cancer.
方法:对382例结直肠癌患者粪便隐血试验与肉眼血便、癌胚抗原(CEA)、肿瘤部位、病理分型、肿瘤分期的关系进行分析。
Objective To appraise the value on combined detection of telomerase activity (TA), DNA aneuploid and carcinoembryonic antigen (CEA) for the laboratory diagnosis of malignant pleural effusion.
目的评价联合检测胸腔积液中端粒酶活性(TA)、DNA异倍体和癌胚抗原(CEA)对实验诊断恶性胸腔积液的价值。
Objective:To study the diagnostic and prognostic value of detection of carcinoembryonic antigen (CEA) and tumor specific growth factor (TSGF) in patients with colon cancer.
目的:探讨检测结肠癌患者血清中癌胚抗原(CEA)、特异性肿瘤生长因子(TSGF)的浓度以评估其在结肠癌检查中的价值。
Are serum carcinoembryonic antigen levels associated with carotid atherosclerosis in Japanese men?
日本人血清癌胚抗原水平与颈动脉粥样硬化是否相关?
Objective To investigate the positive rate of cancerous patients determined by carcinoembryonic antigen.
目的观察癌胚抗原对患者肿瘤发生的阳性符合率。
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 compare the reliability of serum tumour specific growth factor (TSGF) with carcinoembryonic antigen (CEA) in the diagnosis of tumour.
目的比较恶性肿瘤特异性生长因子(TSGF)和癌胚抗原(CEA)在肿瘤诊断中的价值。
Objective To investigate the diagnostic value of alpha-fetoproteins(AFP)and determination of serum carcinoembryonic antigen(CEA)levels for primary liver carcinoma and metastatic liver cancer.
目的探讨血清甲胎蛋白联合癌胚抗原检测在原发性肝癌和转移性肝癌诊断中的应用价值。
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.
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)。
The HRP-SPA immunohistochemical technique was used to observe Presence of CEA(carcinoembryonic antigen) in Paraffin sections of 62 stomach cancer specimens and 94 endoscopic gastric smears.
采用金葡菌A蛋白标记辣根*********酶(HRP-SPA)免疫组化方法,观察62例胃癌切片和94例胃涂片癌胚抗原(CEA)反应。
Objective To study the diagnostic value of carcinoembryonic antigen(CEA)and salic acid (SA) level in saliva of patients with malignant tumors.
目的探讨唾液中癌胚抗原(CEA)和唾液酸(SA)含量在口腔颌面部鳞癌诊断中的意义。
The article is to prepare the working standard of carcinoembryonic antigen (CEA) for immunoassay and determine its potency.
制备供免疫分析用的癌胚抗原工作标准品并标定其免疫效价。
Cytokeratin and Carcinoembryonic Antigen (CEA) in bladder cancer cells were stu***d in 28 and 26 cases respectively using Avitin-Biotin-peroxidase Complex (ABC) method.
本文应用ABC免疫*********酶技术分别对28例和26例膀胱癌细胞角蛋白和癌胚抗原进行了检查。
The serum levels of colon cancer antigen (CCA) and carcinoembryonic antigen (CEA) in 186 cases of malignant tumours were detected by enzyme linked double antibody sandwich technique.
采用酶联免疫双抗体夹心法检测186例恶性肿瘤患者血清结肠癌抗原(CCA)和癌胚抗原(CEA)。
The results of detection of carcinoembryonic antigen(CEA) indicated that the synthesized DNA-gold nanoparticles networks could be a possible candidate of detecting early cancer.
一种DNA-金纳米粒子导电复合物被成功的制备并应用于癌胚抗原(CEA)的早期检测中。
癌胚抗原(Carcinoembryonic Antigen, CEA)是一种重要的肿瘤标志物,其详细解释如下:
1. 定义与基本性质 癌胚抗原(CEA)是一种分子量约为180-200 kDa的糖蛋白,属于免疫球蛋白超家族成员。它主要由胎儿胃肠道、肝脏和胰腺组织合成,在胚胎发育阶段表达量较高,但在正常成人组织中表达水平极低或检测不到。CEA的生理功能尚未完全阐明,但研究表明它可能在细胞间识别、粘附及免疫调节中发挥作用 。
2. 临床意义与肿瘤相关性 CEA在多种恶性肿瘤中异常高表达,尤其在结直肠癌的诊断、疗效评估和复发监测中具有核心价值:
3. 检测与解读 CEA通过血液样本检测(血清或血浆),常用方法为化学发光免疫分析法。健康成人血清浓度通常<5 ng/mL(参考值因实验室略有差异)。结果解读需结合临床:
权威参考文献来源:
癌胚抗原(Carcinoembryonic Antigen,简称CEA)是一种与肿瘤相关的生物标志物,其详细解释如下:
CEA是一种酸性糖蛋白,属于免疫球蛋白超家族成员,具有胚胎抗原特性。它最初在胎儿发育时期的消化道组织(如肠道、胰腺)中表达,出生后正常成人体内含量极低或无法检出。
CEA于1965年由Gold和Freedman首次从结直肠癌组织和胚胎肠黏膜中分离鉴定,成为首个被广泛研究的肿瘤标志物。
通过血液、胸腹水、脑脊液等体液检测,常用技术包括化学发光法、酶联免疫吸附试验(ELISA)。
提示:若需了解具体检测数值范围或临床案例,建议参考权威医学指南或咨询专科医生。
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