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甲型H1N1流感病毒疫苗中mOMV佐剂功效的评估。

Assessment of mOMV adjuvant efficacy in the pathogenic H1N1 influenza virus vaccine.

作者信息

Lee Byeong-Jae, Kwon Hyeok-Il, Kim Eun-Ha, Park Su-Jin, Lee Sang-Ho, Choi Young Ki, Kim Sang-Hyun

机构信息

College of Medicine and Medical Research Institute, Chungbuk National University, Cheongju, Korea.

Viral Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Korea.

出版信息

Clin Exp Vaccine Res. 2014 Jul;3(2):194-201. doi: 10.7774/cevr.2014.3.2.194. Epub 2014 Jun 20.

DOI:10.7774/cevr.2014.3.2.194
PMID:25003093
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4083072/
Abstract

PURPOSE

Since the pandemic (H1N1) 2009 virus has been a seasonal flu which still poses great human health concerns worldwide, vaccination would be considered as the most effective strategy to control the influenza virus spreading. Here, we assessed adjuvant efficacy of modified outer membrane vesicle (mOMV) towards the pandemic H1N1 split antigen.

MATERIALS AND METHODS

For this study, mice were vaccinated twice with various amount of antigen (0.05, 0.1, and 0.5 µg/dose hemagglutinin [HA]) that were mixed with mOMV, aluminum hydroxide (alum), and MF59, as well as the combined adjuvant comprising the mOMV plus alum.

RESULTS

We found that all the adjuvanted vaccines of A/California/04/09 (CA04, H1N1) containing HA antigen more than 0.1 µg/dose protected effectively from lethal challenge (maCA04, H1N1) virus, compared to the antigen only group. Furthermore, vaccinated mice received as low as 0.05 µg/dose of the split vaccine containing the combined adjuvant (10 µg of mOMV plus alum) showed a full protection against lethal challenge with H1N1 virus. Taken together, these results suggest that mOMV can exert not only the self-adjuvanticity but also a synergy effect for the vaccine efficacy when combined with alum.

CONCLUSION

Our results indicate that mOMV could be a promising vaccine adjuvant by itself and it could be used as a vaccine platform for development of various vaccine formulations to prepare future influenza pandemic.

摘要

目的

由于2009年甲型H1N1流感大流行病毒已成为一种季节性流感,仍在全球范围内对人类健康构成重大威胁,接种疫苗被认为是控制流感病毒传播的最有效策略。在此,我们评估了改良外膜囊泡(mOMV)对甲型H1N1流感裂解抗原的佐剂效果。

材料与方法

在本研究中,用不同剂量的抗原(0.05、0.1和0.5μg/剂量血凝素[HA])对小鼠进行两次接种,这些抗原分别与mOMV、氢氧化铝(明矾)、MF59以及由mOMV加明矾组成的联合佐剂混合。

结果

我们发现,与仅含抗原的组相比,所有含有HA抗原且剂量超过0.1μg/剂量的A/加利福尼亚/04/09(CA04,H1N1)佐剂疫苗均能有效保护小鼠免受致死性攻击(maCA04,H1N)病毒感染。此外,接种低至含有联合佐剂(10μg mOMV加明矾)的0.05μg/剂量裂解疫苗的小鼠,对H1N1病毒的致死性攻击显示出完全保护作用。综上所述,这些结果表明mOMV不仅可以发挥自身佐剂作用,而且与明矾联合使用时对疫苗效力具有协同作用。

结论

我们的结果表明,mOMV本身可能是一种有前景的疫苗佐剂,并且可以用作疫苗平台来开发各种疫苗制剂,以应对未来的流感大流行。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0d4/4083072/64d45fd5cfb5/cevr-3-194-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0d4/4083072/3cf62ecf96a0/cevr-3-194-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0d4/4083072/571008c6d022/cevr-3-194-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0d4/4083072/64d45fd5cfb5/cevr-3-194-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0d4/4083072/3cf62ecf96a0/cevr-3-194-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0d4/4083072/571008c6d022/cevr-3-194-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f0d4/4083072/64d45fd5cfb5/cevr-3-194-g003.jpg

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