Buchner Y I, Heath R B, Collins J V, Pattison J R
J Clin Pathol. 1977 Aug;30(8):723-7. doi: 10.1136/jcp.30.8.723.
Sucrose density gradient ultracentrifugation followed by haemagglutination inhibition for demonstrating specific influenza IgM was evaluated as a means of confirming recent infection with influenza A viruses. Specific IgM antibodies were found in at least one serum obtained from 83% of patients with proven recent infection with influenza A viruses but in none of the sera from 21 individuals without evidence of infection. Influenza IgM antibodies persisted for up to 112 days after infection. The relative merits of detecting specific IgM and complement fixing antibodies for diagnostic purposes are discussed.
通过蔗糖密度梯度超速离心法结合血凝抑制试验来检测特异性流感IgM,以此作为确认近期甲型流感病毒感染的一种方法进行了评估。在确诊近期感染甲型流感病毒的患者中,83%的患者至少一份血清中发现了特异性IgM抗体,而在21名无感染证据的个体的血清中均未发现。流感IgM抗体在感染后可持续长达112天。文中讨论了检测特异性IgM和补体结合抗体用于诊断目的的相对优点。