滴金法检测幽门螺杆菌细胞毒素相关蛋白A抗体试剂盒的研制及应用
目的 建立一种快速、简易的检测血清中抗幽门螺杆菌(Hp)细胞毒素相关蛋白A(CagA)抗体的胶体金免疫渗滤法(DIGFA)。方法 采用柠檬酸三钠还原法制备胶体金颗粒,标记葡萄球菌A蛋白(SPA),将重组的CagA抗原固定于硝酸纤维素膜上,制成免疫渗滤试剂盒。血清中抗CagA抗体与试剂盒上金标记物及硝酸纤维素膜上的固相抗原结合后,形成肉眼可见的红色斑点。结果 用DIGFA与酶联免疫吸附试验(ELISA)试剂盒对比检测了326份血清标本中抗CagA抗体,本方法的特异性为95.8%,敏感性为97.3%,两种方法符合率为96.6%。结论 DIGFA检测血清中的抗CagA抗体特异性强、灵敏度高、简便快速...
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          | Published in | Xi'an jiao tong da xue xue bao. Journal of Xi'an Jiaotong University (medical sciences). Yi xue ban Vol. 24; no. 5; p. 520 | 
|---|---|
| Main Author | |
| Format | Journal Article | 
| Language | Chinese | 
| Published | 
            第四军医大学吉林军医学院组胚教研室,吉林,132013%第四军医大学全军基因诊断技术研究所,陕西西安,710033
    
        2003
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| Subjects | |
| Online Access | Get full text | 
| ISSN | 1671-8259 | 
| DOI | 10.3969/j.issn.1671-8259.2003.05.036 | 
Cover
| Abstract | 目的 建立一种快速、简易的检测血清中抗幽门螺杆菌(Hp)细胞毒素相关蛋白A(CagA)抗体的胶体金免疫渗滤法(DIGFA)。方法 采用柠檬酸三钠还原法制备胶体金颗粒,标记葡萄球菌A蛋白(SPA),将重组的CagA抗原固定于硝酸纤维素膜上,制成免疫渗滤试剂盒。血清中抗CagA抗体与试剂盒上金标记物及硝酸纤维素膜上的固相抗原结合后,形成肉眼可见的红色斑点。结果 用DIGFA与酶联免疫吸附试验(ELISA)试剂盒对比检测了326份血清标本中抗CagA抗体,本方法的特异性为95.8%,敏感性为97.3%,两种方法符合率为96.6%。结论 DIGFA检测血清中的抗CagA抗体特异性强、灵敏度高、简便快速,无需特殊仪器设备,有广泛应用价值。 | 
    
|---|---|
| AbstractList | 目的 建立一种快速、简易的检测血清中抗幽门螺杆菌(Hp)细胞毒素相关蛋白A(CagA)抗体的胶体金免疫渗滤法(DIGFA)。方法 采用柠檬酸三钠还原法制备胶体金颗粒,标记葡萄球菌A蛋白(SPA),将重组的CagA抗原固定于硝酸纤维素膜上,制成免疫渗滤试剂盒。血清中抗CagA抗体与试剂盒上金标记物及硝酸纤维素膜上的固相抗原结合后,形成肉眼可见的红色斑点。结果 用DIGFA与酶联免疫吸附试验(ELISA)试剂盒对比检测了326份血清标本中抗CagA抗体,本方法的特异性为95.8%,敏感性为97.3%,两种方法符合率为96.6%。结论 DIGFA检测血清中的抗CagA抗体特异性强、灵敏度高、简便快速,无需特殊仪器设备,有广泛应用价值。 R573; 目的建立一种快速、简易的检测血清中抗幽门螺杆菌(Hp)细胞毒素相关蛋白A(CagA)抗体的胶体金免疫渗滤法(DIGFA).方法采用柠檬酸三钠还原法制备胶体金颗粒,标记葡萄球菌A蛋白(SPA),将重组的CagA抗原固定于硝酸纤维素膜上,制成免疫渗滤试剂盒.血清中抗CagA抗体与试剂盒上金标记物及硝酸纤维素膜上的固相抗原结合后,形成肉眼可见的红色斑点.结果用DIGFA与酶联免疫吸附试验(ELISA)试剂盒对比检测了326份血清标本中抗CagA抗体,本方法的特异性为95.8%,敏感性为97.3%,两种方法符合率为96.6%.结论 DIGFA检测血清中的抗CagA抗体特异性强、灵敏度高、简便快速,无需特殊仪器设备,有广泛应用价值.  | 
    
| Author | 侯瑜 张菊 李质馨 田洪艳 刘晓冬 徐冶 | 
    
| AuthorAffiliation | 第四军医大学吉林军医学院组胚教研室,吉林132013 第四军医大学全军基因诊断技术研究所,陕西西安710033 | 
    
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| Keywords | 抗体 胶体金 渗滤法 幽门螺杆菌 细胞毒素相关蛋白A  | 
    
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| Title | 滴金法检测幽门螺杆菌细胞毒素相关蛋白A抗体试剂盒的研制及应用 | 
    
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