Shanko Andrei, Shuklina Marina, Kovaleva Anna, Zabrodskaya Yana, Vidyaeva Inna, Shaldzhyan Aram, Fadeev Artem, Korotkov Alexander, Zaitceva Marina, Stepanova Liudmila, Tsybalova Liudmila, Kordyukova Larisa, Katlinski Anton
Research and Development Department, FORT LLC, 119435 Moscow, Russia.
N. F. Gamaleya Federal Research Center for Epidemiology and Microbiology, Ivanovsky Institute of Virology, 123098 Moscow, Russia.
Vaccines (Basel). 2020 Dec 12;8(4):756. doi: 10.3390/vaccines8040756.
A series of commercial inactivated influenza vaccines (IIVs) used in the Russian National Immunization Program were characterized to evaluate their protective properties on an animal model. Standard methods for quantifying immune response, such as hemagglutination inhibition (HAI) assay and virus neutralization (VN) assay, allowed us to distinguish the immunogenic effect of various IIVs from that of placebo. However, these standard approaches are not suitable to determine the role of various vaccine components in immune response maturation. The expanded methodological base including an enzyme-linked immunosorbent assay (ELISA) and a neuraminidase ELISA (NA-ELISA) helped us to get wider characteristics and identify the effectiveness of various commercial vaccines depending on the antigen content. Investigations conducted showed that among the IIVs tested, Ultrix Ultrix Quadri and VAXIGRIP elicit the most balanced immune response, including a good NA response. For Ultrix, Ultrix Quadri, and SOVIGRIPP (FORT LLC), the whole-virus specific antibody subclass IgG1, measured in ELISA, seriously prevailed over IgG2a, while, for VAXIGRIP and SOVIGRIPP (NPO Microgen JSC) preparations, the calculated IgG1/IgG2a ratio was close to 1. So, the immune response varied drastically across different commercial IIVs injected in mice.
对俄罗斯国家免疫规划中使用的一系列商业化灭活流感疫苗(IIV)进行了特性分析,以评估其在动物模型上的保护特性。用于量化免疫反应的标准方法,如血凝抑制(HAI)试验和病毒中和(VN)试验,使我们能够区分各种IIV与安慰剂的免疫原性效果。然而,这些标准方法并不适合确定各种疫苗成分在免疫反应成熟过程中的作用。包括酶联免疫吸附测定(ELISA)和神经氨酸酶ELISA(NA-ELISA)在内的扩展方法基础,帮助我们获得了更广泛的特性,并根据抗原含量确定了各种商业化疫苗的有效性。所进行的研究表明,在测试的IIV中,Ultrix Ultrix Quadri和VAXIGRIP引发的免疫反应最为平衡,包括良好的NA反应。对于Ultrix、Ultrix Quadri和SOVIGRIPP(FORT LLC),在ELISA中测量的全病毒特异性抗体亚类IgG1显著高于IgG2a,而对于VAXIGRIP和SOVIGRIPP(NPO Microgen JSC)制剂,计算出的IgG1/Igg2a比值接近1。因此,在小鼠中注射的不同商业化IIV的免疫反应差异很大。