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中国农学通报 ›› 2011, Vol. 27 ›› Issue (3): 374-377.

所属专题: 畜牧兽医

• 畜牧 动物医学 蚕 蜂 • 上一篇    下一篇

猪流行性腹泻胶体金抗体检测技术的建立及其应用

张利勃 周铁忠 王珅 高慎阳   

  • 收稿日期:2010-08-27 修回日期:2010-09-27 出版日期:2011-02-05 发布日期:2011-02-05
  • 基金资助:

    辽宁省教育厅高等学校科学研究项目

Development and Preliminary Application of a Gold-ImmunochromatoGraphy Assay for PED

  • Received:2010-08-27 Revised:2010-09-27 Online:2011-02-05 Published:2011-02-05

摘要:

摘 要:目的:建立一种高效、经济、简便适用于基层防疫检疫人员使用的猪流行性腹泻(PED)疾病的检测方法。方法:参考已知的胶体金免疫层析法(GICA)工作原理基础之上,将葡萄球菌蛋白A(SPA)进胶体金标记作为指示介质,将基因工程表达PEDV M蛋白抗原和自制的抗SPA多抗血清包被硝酸纤维素膜(NCM) 分别作为检测线和质控线,由此制成一种检测PEDV血清抗体的快速诊断试纸。其特异性、敏感性试验与ELISA进行比较。结果:该GICA与参考检测方法ELISA具有相近的灵敏度,在二者检测的75份临床样本中有65份共同检测为阳性结果,7份共同检测为阴性结果,其符合率达96%。结论:该GICA检测技术的建立为检测PEDV抗体提供了一种快速简便的方法。

关键词: 农民专业合作社, 农民专业合作社, 农村人力资本团队, probit模型, 影响因素

Abstract:

Abstract: Objective: To establish a highly efficient, cost-effective and handily detection method for the diagnosis of porcine epidemic diarrhea; Method: Based on the well known working principle of Gold-Immunochromatography Assay (GICA), a batch of in-house GICA test strips were made by assembling the following elements, which were included the protein SPA labeled with HAuCl4 as indicating reagent as well as the recombinant PEDV M protein and multiple anti-SPA serum coated onto the NC membrane as detective line and control line respectively. Results: Compared with the reference ELISA method, the established GICA shared the similar test sensitivity. Especially, the clinical test agreement rate of both methods reached 96%, which was calculated by the sum percent of positive (65) and negative (7) samples among total 75 clinical samples. Conclusion: This GICA method provided the most rapid and convenient means for detection of PEDV infection in field.

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