Single dose of multi-clade virus-like particle vaccine protects chickens against clade 2.3.2.1 and clade 2.3.4.4 highly pathogenic avian influenza viruses
Abstract Virus-like particles (VLPs) are recognized as an alternative vaccine platform that provide effective protection against various highly pathogenic avian influenza viruses (HPAIVs). Here, we developed multi-clade VLPs expressing two HAs (a chimera of clade 2.3.2.1c and clade 2.3.4.4c HA) with...
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2021
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oai:doaj.org-article:7cc92c40f6c94ae3abae698aad48eac62021-12-02T16:10:36ZSingle dose of multi-clade virus-like particle vaccine protects chickens against clade 2.3.2.1 and clade 2.3.4.4 highly pathogenic avian influenza viruses10.1038/s41598-021-93060-82045-2322https://doaj.org/article/7cc92c40f6c94ae3abae698aad48eac62021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93060-8https://doaj.org/toc/2045-2322Abstract Virus-like particles (VLPs) are recognized as an alternative vaccine platform that provide effective protection against various highly pathogenic avian influenza viruses (HPAIVs). Here, we developed multi-clade VLPs expressing two HAs (a chimera of clade 2.3.2.1c and clade 2.3.4.4c HA) within a single vector. We then compared its protective efficacy with that of a monovalent VLP and evaluated its potency against each homologous strain. Chickens vaccinated with the multi-clade VLP shed less virus and were better protected against challenge than birds receiving monovalent vaccines. Single vaccination with a multi-clade VLP resulted in 100% survival, with no clinical symptoms and high levels of pre-challenge protective immunity (7.6–8.5 log2). Moreover, the multi-clade VLP showed high productivity (128–256 HAU) both in the laboratory and on a large scale, making it cheaper than whole inactivated vaccines produced in eggs. However, the PD50 (protective dose 50%) of the multi-clade VLP against clades 2.3.2.1c and 2.3.4.4c was < 50 PD50 (28 and 42 PD50, respectively), and effective antibody response was maintained for 2–3 months. This multi-clade VLP protects against both clades of HPAI viruses and can be produced in high amounts at low cost. Thus, the vaccine has potential as a pandemic preparedness vaccine.Yong-Myung KangHyun-Kyu ChoJu Hun KimSu Jin LeeSeo-Jeong ParkDo-Young KimSeong Yup KimJung-won ParkMyoung-Heon LeeMin-Chul KimHyun-Mi KangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021) |
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Medicine R Science Q Yong-Myung Kang Hyun-Kyu Cho Ju Hun Kim Su Jin Lee Seo-Jeong Park Do-Young Kim Seong Yup Kim Jung-won Park Myoung-Heon Lee Min-Chul Kim Hyun-Mi Kang Single dose of multi-clade virus-like particle vaccine protects chickens against clade 2.3.2.1 and clade 2.3.4.4 highly pathogenic avian influenza viruses |
description |
Abstract Virus-like particles (VLPs) are recognized as an alternative vaccine platform that provide effective protection against various highly pathogenic avian influenza viruses (HPAIVs). Here, we developed multi-clade VLPs expressing two HAs (a chimera of clade 2.3.2.1c and clade 2.3.4.4c HA) within a single vector. We then compared its protective efficacy with that of a monovalent VLP and evaluated its potency against each homologous strain. Chickens vaccinated with the multi-clade VLP shed less virus and were better protected against challenge than birds receiving monovalent vaccines. Single vaccination with a multi-clade VLP resulted in 100% survival, with no clinical symptoms and high levels of pre-challenge protective immunity (7.6–8.5 log2). Moreover, the multi-clade VLP showed high productivity (128–256 HAU) both in the laboratory and on a large scale, making it cheaper than whole inactivated vaccines produced in eggs. However, the PD50 (protective dose 50%) of the multi-clade VLP against clades 2.3.2.1c and 2.3.4.4c was < 50 PD50 (28 and 42 PD50, respectively), and effective antibody response was maintained for 2–3 months. This multi-clade VLP protects against both clades of HPAI viruses and can be produced in high amounts at low cost. Thus, the vaccine has potential as a pandemic preparedness vaccine. |
format |
article |
author |
Yong-Myung Kang Hyun-Kyu Cho Ju Hun Kim Su Jin Lee Seo-Jeong Park Do-Young Kim Seong Yup Kim Jung-won Park Myoung-Heon Lee Min-Chul Kim Hyun-Mi Kang |
author_facet |
Yong-Myung Kang Hyun-Kyu Cho Ju Hun Kim Su Jin Lee Seo-Jeong Park Do-Young Kim Seong Yup Kim Jung-won Park Myoung-Heon Lee Min-Chul Kim Hyun-Mi Kang |
author_sort |
Yong-Myung Kang |
title |
Single dose of multi-clade virus-like particle vaccine protects chickens against clade 2.3.2.1 and clade 2.3.4.4 highly pathogenic avian influenza viruses |
title_short |
Single dose of multi-clade virus-like particle vaccine protects chickens against clade 2.3.2.1 and clade 2.3.4.4 highly pathogenic avian influenza viruses |
title_full |
Single dose of multi-clade virus-like particle vaccine protects chickens against clade 2.3.2.1 and clade 2.3.4.4 highly pathogenic avian influenza viruses |
title_fullStr |
Single dose of multi-clade virus-like particle vaccine protects chickens against clade 2.3.2.1 and clade 2.3.4.4 highly pathogenic avian influenza viruses |
title_full_unstemmed |
Single dose of multi-clade virus-like particle vaccine protects chickens against clade 2.3.2.1 and clade 2.3.4.4 highly pathogenic avian influenza viruses |
title_sort |
single dose of multi-clade virus-like particle vaccine protects chickens against clade 2.3.2.1 and clade 2.3.4.4 highly pathogenic avian influenza viruses |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/7cc92c40f6c94ae3abae698aad48eac6 |
work_keys_str_mv |
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