首都医科大学学报 ›› 2005, Vol. 26 ›› Issue (3): 293-295.

• 论著·基础研究 • 上一篇    下一篇

SARS-CoV抗原化学发光免疫分析法的应用

甄亚平1, 刘红2, 齐娜1, 单若明1, 王巧巧3, 吴晓东3   

  1. 1. 首都医科大学临床检验中心;2. 北京大学人民医院;3. 北京源德生物医学工程有限公司
  • 收稿日期:2004-09-21 修回日期:1900-01-01 出版日期:2005-06-24 发布日期:2005-06-24

Chemiluminescence Immunoassay for Detection of SARS-CoV Protein Antigen

Zhen Yaping1, Liu Hong2, Qi Na1, Shan Ruoming1, Wang Qiaoqiao3, Wu Xiaodong3   

  1. 1. Clinical Inspect Center, Capital University of Medical Sciences;2. People's Hospital, Peking University;3. Beijing Yuande Biomedical Engineering Co.LTD
  • Received:2004-09-21 Revised:1900-01-01 Online:2005-06-24 Published:2005-06-24

摘要:

目的 建立一种可用于严重急性呼吸综合征(SARS)早期诊断的简便、快速、灵敏的实验室检测方法.方法 采用化学发光免疫分析方法(chemiluminescence immunosaasy,CLIA)测定12种不同病毒培养上清和人血中SARS冠状病毒核衣壳蛋白 (nucleocapsid protein)抗原(SARS-CoV-N).结果 7种不同SARS毒株测定均为阳性,12种非SARS毒株测定均为阴性,最低可检出核酸定量为6.3×101 PFU/mL的SARS-CoV培养上清;测定63例临床确诊SARS的阳性血清样本,发病6~10 d的样本检出率最高,可达100%;测定1 066例正常人样本,99.35%为阴性.结论 SARS-CoV的CLIA的灵敏度和特异性较高,并且简便、快速,在SARS的早期诊断中展示了良好的应用前景.

关键词: 化学发光, 免疫分析, 严重急性呼吸综合征, N蛋白

Abstract:

Objective To establish a laboratory method for rapid, simple and sensitive diagnosis of SARS. Methods Culture supernote of 34 viruses strains and sera of SARS patients were assayed by CLIA. Results The experiments indicated high specificity and sensitivity to viruses strains, reactivity with 6 SARS strains and not cross-reactivity with 11 others strains, the detectability was on more then 6.3×101 PFU/mL of SARS-CoV strain. For the 63 SARS patients, positive rate was found to be 100% during the disease day of 6~10 and for the 1 066 normal sample, negative rate was 99.35%. Conclusion The sensitivity and specificity of CLIA for SARS-CoV detection is higher satisfying. It is rapid and simple. It might be used to earliest diagnosis of SARS-CoV infection.

Key words: chemiluminescence, immunosaasy, SARS, N protein

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