鼻咽癌病人的EB病毒免疫球蛋白G和A(IgG和IgA)抗体的测定

被引:12
作者
Laboratory of Tumor viruses
Cancer Institute
Laboratory of Tumor viruses
Institute of Epidemiology
Department of Radiotherapy
Cancer Institute
Chinese Academy of Medical Sciences
Department of Otolaryngology
Beijing Worker-Peasant-Soldier Hospital Beijing
机构
[1] 中国医学科学院肿瘤研究所病毒室(北京)
[2] 中国医学科学院流行病研究所肿瘤组(北京)
[3] 中国医学科学院肿瘤研究所放射科(北京)
[4] 北京工农兵医院耳鼻咽喉科(北京)
关键词
鼻咽癌; EA; 鼻咽肿瘤; IgG; 抗体滴度; IgA; 病人; EB; 免疫球蛋白;
D O I
10.13343/j.cnki.wsxb.1978.03.009
中图分类号
学科分类号
摘要
用间接免疫荧光试验检查了鼻咽癌等恶性肿瘤病人和正常人血清共746份。鼻咽癌放疗前病人的EA-IgG抗体阳性率为96%,几何平均滴度为1:22.72,VCA-IgA抗体的阳性率为81.3%,几何平均滴度为1:13.81。其他恶性肿瘤病人和正常人的这二种抗体的阳性率低于6%,几何平均滴度为1:1.25—1:1.46。鼻咽癌放疗前病人的EA-IgG和VCA-IgA抗体的阳性率和几何平均滴度显著高于其他恶性肿瘤病人和正常人,故检测这二种抗体可以作为鼻咽癌病人的血清学诊断方法。鼻咽癌放疗前病人的EA-IgA抗体阳性率较低,为48.6%,其他三组均阴性。鼻咽癌病人的VCA-IgA抗体水平随病人存活时间的延长而逐渐下降,在放疗后4—18年者仅30%阳性,几何平均滴度也很低,为1:2.8。当肿瘤复发或远处转移时又上升至放疗前水平,其阳性率和几何平均滴度为78.4%和1:16.27。因此,定期测定放疗后鼻咽癌病人VCA-IgA抗体的消长情况,可能作为鼻咽癌病人的预后指标。Ⅱ—Ⅳ期鼻咽癌病人的EA-IgG和VCA-IgA的抗体水平差别不大。
引用
收藏
页码:253 / 258
页数:6
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