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通用名称：癌抗原19-9（CA 19-9）检测试剂盒（酶联免疫法）
英文名称：CA 19-9 ELISA
【预期用途】
CA19-9 ELISA试剂盒用于定量测定人血清或血浆中的癌抗原CA19-9浓度。仅供科研使用，不用于体外诊断。
【包装规格】
96人份/盒
【背景知识】
一组粘蛋白型糖蛋白唾液酰刘易斯抗原（SLA），如CA19-9和CA19-5，已被公认为胃肠道癌的循环癌相关抗原。CA19-9是最重要和最基本的碳水化合物肿瘤标记物。CA19-9在组织中的免疫组织学分布与定量测定CA19-9浓度高于正常或炎症组织的结果一致。最近的报道表明，胰腺癌、结直肠癌、胃癌和肝癌等各种胃肠道恶性肿瘤患者的血清CA19-9水平经常升高。与CEA一起，CA19-9升高提示炎症性胆囊疾病中的胆囊肿瘤。这种肿瘤相关抗原在某些非恶性疾病中也可能升高。研究表明，血清CA19-9值可用于监测上述诊断为恶性肿瘤的受试者。LFTHA已经表明，治疗后血清CA19-9值持续升高可能预示着隐性转移和/或残留疾病。持续升高的血清CA19-9值可能与进行性恶性疾病和不良治疗反应有关。CA19-9值下降可能表明预后良好，治疗反应良好。
【产品相关】
样本量：25 µl
储存温度：2-8 °C
参考文献：
1. Glenn, J., Steinberg, W.M., Kurtzman, S.H., et at. Evaluation of the utility of a radioimmunoassay for serum CA 19-9 level in patients before and after treatment of carcinoma of the pancreas. J. Clin. Oncol. 1988; 6:462-8.
2. Hayakawa, T., Kondo, T., Shibata, T. et al. Sensitive serum markers for detecting pancreatic cancer. Cancer 1988; 61:1827-31.
3. Koprowski, H., Herly, M., Steplewski, Z., et al. Specific antigen in serum of patients with colon carcinoma. Science 1981; 212:53-5
4. Malesci, A., Tommasini, M.A., Bonato, C. et al. Determination of CA19-9 antigen in serum and pancreatic juice for differential diagnosis of pancreatic adenocarcinoma from chronic pancreatitis. Gastroenteroglogy 1987; 92:60-
5. Safi, F, Roscher, R., Bittner, R., et al. High sensitivity and specificity of CA 19-9 for pancreatic carcinoma in comparison to chronic pancreatitis. Serological and immunohistochemical findings. Pancreas 1987; 2:398-403.
6. Steinberg, W. The clinical utility of CA 19-9 tumor associated antigen. American J. of Gastroenterology 1990; 85:350-355.
7. Steinberg, W.M., Gelfand, R., Anderson, K.K., et al. Comparison of the sensitivity and specificity of the CA 19-9 and carcinoembryonic antigen assays in detecting cancer of the pancreas. Gastroenterology 1986; 90:343-9.
8. Takasaki, H., Uchida, E., Tempero, M.A., et al. Correlative study on expression of CA 19-9 and DU-Pan-2 in tumor tissue and in serum of pancreatic cancer patients. Cancer Res. 1988; 48:1435-8.
9. Tatsuta, M., Yamamura, H., Iishi H., et al. Values of CA19-9 in the serum, pure pancreatic juice and aspirated pancreatic material in the diagnosis of malignant pancreatic tumor. Cancer 1985; 56:2669-73.
10. Wang, T.H. Lin, J.W., Chen, D.S., et al. Noninvasive diagnosis of advanced panceatic cancer by real-time ultrasonography, carcinoembryonic antigen, and carbohydrate antigen 19-9. Pancreas 1986; 1:219-23.
11. Strom BL, Maislin G, West SL, et al. Serum CEA and CA19-9: potential future diagnostic or screening tests for gallbladder cancer? Int. J. Cancer 1990; 45:821.
