基于重组改良安卡拉痘苗病毒的候选流感疫苗。

Candidate influenza vaccines based on recombinant modified vaccinia virus Ankara.

作者信息

Rimmelzwaan Guus F, Sutter Gerd

机构信息

Erasmus Medical Center, Department of Virology, Rotterdam, The Netherlands.

出版信息

Expert Rev Vaccines. 2009 Apr;8(4):447-54. doi: 10.1586/erv.09.4.

Abstract

Recombinant modified vaccinia virus Ankara (MVA) is attractive and promising as a novel viral vector for the expression of foreign genes of interest because it possesses unique properties. In particular, its excellent safety profile and the availability of versatile vector technologies have frequently made MVA the vaccinia virus of choice for preclinical and clinical studies. Owing to its avirulence and deficiency to productively replicate after in vivo inoculation, MVA can be used under biosafety level 1 conditions. In addition to a better safety profile than replication competent vaccinia viruses, the use of MVA leads to similar levels of gene expression and has better immunostimulatory properties and improved efficacy as a recombinant vaccine. In animal models, recombinant MVA vaccines were immunogenic and induced protective immunity against various infectious agents, including viruses, bacteria and parasites. Here we review the progress that has been made in the development of recombinant MVA as a viral vector and candidate pandemic influenza H5N1 vaccine. Specifically, we will focus on the preclinical evaluation of recombinant MVA vector as pandemic influenza A/H5N1 vaccine candidates and discuss the possible future approaches for the use of these novel MVA-based vaccines.

摘要

重组改良安卡拉痘苗病毒(MVA)作为一种用于表达感兴趣的外源基因的新型病毒载体,因其具有独特的特性而颇具吸引力且前景广阔。特别是,其出色的安全性以及通用载体技术的可用性,常常使MVA成为临床前和临床研究中痘苗病毒的首选。由于其无毒力且在体内接种后无法有效复制,MVA可在生物安全1级条件下使用。除了比具有复制能力的痘苗病毒具有更好的安全性外,使用MVA还能达到相似水平的基因表达,并且作为重组疫苗具有更好的免疫刺激特性和更高的效力。在动物模型中,重组MVA疫苗具有免疫原性,并能诱导针对包括病毒、细菌和寄生虫在内的各种感染因子的保护性免疫。在此,我们综述了重组MVA作为病毒载体和候选大流行性H5N1流感疫苗的研发进展。具体而言,我们将重点关注重组MVA载体作为大流行性甲型H5N1流感疫苗候选物的临床前评估,并讨论使用这些新型基于MVA的疫苗的未来可能途径。

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