中国寄生虫学与寄生虫病杂志 ›› 1994, Vol. 12 ›› Issue (2): 115-118.

• • 上一篇    下一篇

肺孢子虫病实验与临床研究 Ⅱ.免疫印迹试验检测人血清肺孢子虫抗体

陈雅棠,梅芹,刘约翰,王其南   

  1. 重庆医科大学
  • 出版日期:1994-05-31 发布日期:2017-01-06
  • 基金资助:
    四川省重庆市科学技术委员会小额博士研究基金

LABORATORY AND CLINICAL STUDY ON PNEUMOCYSTIS CARINII Ⅱ.IMMUNOBLOT ANALYSIS FOR DETECTION OF ANTI PNEUMOCYSTIS CARINII ANTIBODIES IN THE SERA FROM HEALTHY BLOOD DONORS

  • Online:1994-05-31 Published:2017-01-06

摘要: 采用SDS-PAGE分析鼠源卡氏肺孢子虫包囊可溶性抗原呈现20条以上多肽区带,主带分子量分别为>100、85-94、67、52和34kDa。EITB检测表明重庆地区健康人血清中存在识别110、105、85、67、52和46kDa的IgG型抗体,抗体阳性率为56.7%(59/104)。其中85kDa抗原能与抗人源肺孢子虫单克隆抗体2G2起反应。健康人血清抗85kDa抗原的抗体阳性率为37.5%(39/104),但IgM型抗体均为阴性。另外检测7例确诊的卡氏肺孢子虫病患者,4例血清IgG型抗体阳性,其中3例抗85kDaIgG型抗体阳性。

关键词: 卡氏肺孢子虫, 免疫印迹试验

Abstract: Rat Pneumocystis carinii cyst soluble antigen (CSA) was analysed by SDS-PAGE,and more than 20 polypeptide bands were found.The molecular weights of the major bands were 100kDa,85-94kDa,67kDa,52kDa and 34kDa,respectively.The specific IgG antibodies in the sera from healthy blood donors recognizing the 110kDa,105kDa,85kDa,67kDa,52kDa and 46kDa polypeptide antigens were identified by immunoblot analysis.The total positive rate of IgG specific antibodies was 56.7%(59/104).The 85kDa polypeptide antigen could also react with the monoclonal antibody derived from human Pneumocystis carinii .The positive rate of the specific anti 85kDa IgG antibody was 37.5%(39/104),but the specific anti Pneumocystis carinii IgM antibodies were not detected in all the sera examined.Three of 7 serum samples from the patients with Pneumocystis carinii pneumonia were positive for specific anti 85kDa IgG antibody(Figs 1 4).

中图分类号: