CN2643322Y - 鼻咽癌早期诊断试剂盒 - Google Patents

鼻咽癌早期诊断试剂盒 Download PDF

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CN2643322Y
CN2643322Y CN 03222821 CN03222821U CN2643322Y CN 2643322 Y CN2643322 Y CN 2643322Y CN 03222821 CN03222821 CN 03222821 CN 03222821 U CN03222821 U CN 03222821U CN 2643322 Y CN2643322 Y CN 2643322Y
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nasopharyngeal carcinoma
plates
plate
antigen
utility
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汪慧民
李满枝
李端
简少文
刘庆伦
郑美莲
张玲
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TUMOR PREVENTION AND THERAPY CENTER ZHONGSHAN UNIV
Sun Yat Sen University Cancer Center
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TUMOR PREVENTION AND THERAPY CENTER ZHONGSHAN UNIV
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Abstract

本实用新型涉及一种鼻咽癌早期诊断试剂盒。它由2-4块冻干固相捕捉抗原板块、2-4块抗人IgA抗体板块、2-4块联苯二胺板块以及唾液收集器所构成,各板块并列排列,捕捉抗原板块上含有属反式激活蛋白的一段短肽。本实用新型适用于临床与鼻咽癌高发现场,为鼻咽癌早期诊断与预防提供了特异、简便而快速的有用工具。

Description

鼻咽癌早期诊断试剂盒
[技术领域]
本实用新型涉及一种与鼻咽癌相关的EB病毒抗原生物学特性而建立的分子水平的诊断试剂盒,适用于临床与鼻咽癌高发现场,为鼻咽癌早期诊断与预防提供了特异、简便而快速的有用工具。
[背景技术]
我国人群普遍感染EB病毒(Epstein-Barr Virus,EBV),由于EBV具有多种结构和特异性抗原,包括壳抗原(VCA)、早期抗原(EA)、核抗原(EBNA)和膜抗原(MA)等,在与EBV有关的不同疾病中,显现出不同的反应抗体,这些不同的抗体反应模式,反映了EBV急性、慢性、恢复期、持续感染或既往感染等状况。检测这些抗原的相应抗体反应,有助与疾病的诊断和治疗。
现已公认EBV是鼻咽癌的重要病因之一,大量研究证实鼻咽癌患者体液中EBV-IgA抗体增高是其特征。鼻咽癌患者血清中含有较高滴度的IgA/VCA、IgA/EA抗体和抑制DNA酶活性的抗体,且抗体滴度随病情发展而升高。故在鼻咽癌高发地区和临床均以检测EBVIgA/VCA、EA和DNA抗体作为鼻咽癌早期发现、预后判断以及疗效观察的有用指标。
由于鼻咽癌治疗5年生存率徘徊在50%左右,鼻咽癌的早诊和治疗是提高患者生存率,改善生存质量的重要手段之一。而鼻咽癌早期症状不明显,原发部位隐蔽,不易发现,病程发展迅速,近30年临床与现场检验均用免疫组化法,带有一定主观性,耗时,耗眼力和繁琐。因此寻找敏感性高、特异性强以及安全、简便、经济的早诊方法是急待解决的课题。
[发明内容]
本实用新型由2-4块冻干固相捕捉抗原板块、2-4块抗人IgA抗体板块、2-4块联苯二胺板块以及唾液收集器所构成,各板块并列排列,捕捉抗原板块上含有属反式激活蛋白的一段短肽。
本诊断试剂盒特异性和敏感性均高,性能稳定,使用简便,便于携带,肯定较以往的免疫组化法试剂盒优越。
[附图说明]
图1为本实用新型之结构示意图。
[具体实施方式]
参阅图1所示,本实用新型由2块冻干固相捕捉抗原板块(1)、2块抗人IgA抗体板块(2)、2块联苯二胺板块(3)以及唾液收集器(4)所组成,各板块并列排列,捕捉抗原板块(1)上含有属反式激活蛋白的一段短肽,其量为40ug/块,将其包被在固体面(固相化),抗人IgA抗体板块(2)的量为1.5uL/块,联苯二胺板块(3)的量为6.7mg/块。
在检测在受试者的血清和唾液中相应IgA/EA抗体反应,经反复验证发现在BMLF1读码框架中一段基因的编码蛋白最适宜作为捕捉抗原,对诊断鼻咽癌具有较高的特异性和敏感性。
本实用新型适合于临床诊断和现场人群筛查应用。由于是以唾液为样本,除采样较新颖外,又在人群中易于推广。

Claims (1)

1、一种鼻咽癌早期诊断试剂盒,其特征在于它由2-4块冻干固相捕捉抗原板块、2-4块抗人IgA抗体板块、2-4块联苯二胺板块以及唾液收集器所构成,各板块并列排列,捕捉抗原板块上含有属反式激活蛋白的一段短肽。
CN 03222821 2003-01-08 2003-01-08 鼻咽癌早期诊断试剂盒 Expired - Fee Related CN2643322Y (zh)

Priority Applications (1)

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CN 03222821 CN2643322Y (zh) 2003-01-08 2003-01-08 鼻咽癌早期诊断试剂盒

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03222821 CN2643322Y (zh) 2003-01-08 2003-01-08 鼻咽癌早期诊断试剂盒

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CN2643322Y true CN2643322Y (zh) 2004-09-22

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