Development of a chimeric Zika vaccine using a licensed live-attenuated flavivirus vaccine as backbone

Xiao Feng Li; Hao Long Dong; Hong Jiang Wang; Xing Yao Huang; Ye Feng Qiu; Xue Ji; Qing Ye; Chunfeng Li; Yang Liu; Yong Qiang Deng; Tao Jiang; Gong Cheng; Fu Chun Zhang; Andrew D. Davidson; Ya Jun Song; Pei Yong Shi; Cheng Feng Qin

doi:10.1038/s41467-018-02975-w

Development of a chimeric Zika vaccine using a licensed live-attenuated flavivirus vaccine as backbone

Xiao Feng Li, Hao Long Dong, Hong Jiang Wang, Xing Yao Huang, Ye Feng Qiu, Xue Ji, Qing Ye, Chunfeng Li, Yang Liu, Yong Qiang Deng, Tao Jiang, Gong Cheng, Fu Chun Zhang, Andrew D. Davidson, Ya Jun Song, Pei Yong Shi, Cheng Feng Qin

Biochemistry & Molecular Biology

Research output: Contribution to journal › Article

37 Scopus citations

Abstract

The global spread of Zika virus (ZIKV) and its unexpected association with congenital defects necessitates the rapid development of a safe and effective vaccine. Here we report the development and characterization of a recombinant chimeric ZIKV vaccine candidate (termed ChinZIKV) that expresses the prM-E proteins of ZIKV using the licensed Japanese encephalitis live-attenuated vaccine SA14-14-2 as the genetic backbone. ChinZIKV retains its replication activity and genetic stability in vitro, while exhibiting an attenuation phenotype in multiple animal models. Remarkably, immunization of mice and rhesus macaques with a single dose of ChinZIKV elicits robust and long-lasting immune responses, and confers complete protection against ZIKV challenge. Significantly, female mice immunized with ChinZIKV are protected against placental and fetal damage upon ZIKV challenge during pregnancy. Overall, our study provides an alternative vaccine platform in response to the ZIKV emergency, and the safety, immunogenicity, and protection profiles of ChinZIKV warrant further clinical development.

Original language	English (US)
Article number	673
Journal	Nature communications
Volume	9
Issue number	1
DOIs	https://doi.org/10.1038/s41467-018-02975-w
State	Published - Dec 1 2018

ASJC Scopus subject areas

Chemistry(all)
Biochemistry, Genetics and Molecular Biology(all)
Physics and Astronomy(all)

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Li, X. F., Dong, H. L., Wang, H. J., Huang, X. Y., Qiu, Y. F., Ji, X., Ye, Q., Li, C., Liu, Y., Deng, Y. Q., Jiang, T., Cheng, G., Zhang, F. C., Davidson, A. D., Song, Y. J., Shi, P. Y., & Qin, C. F. (2018). Development of a chimeric Zika vaccine using a licensed live-attenuated flavivirus vaccine as backbone. Nature communications, 9(1), [673]. https://doi.org/10.1038/s41467-018-02975-w

Development of a chimeric Zika vaccine using a licensed live-attenuated flavivirus vaccine as backbone. / Li, Xiao Feng; Dong, Hao Long; Wang, Hong Jiang; Huang, Xing Yao; Qiu, Ye Feng; Ji, Xue; Ye, Qing; Li, Chunfeng; Liu, Yang; Deng, Yong Qiang; Jiang, Tao; Cheng, Gong; Zhang, Fu Chun; Davidson, Andrew D.; Song, Ya Jun; Shi, Pei Yong; Qin, Cheng Feng.

In: Nature communications, Vol. 9, No. 1, 673, 01.12.2018.

Research output: Contribution to journal › Article

Li, Xiao Feng ; Dong, Hao Long ; Wang, Hong Jiang ; Huang, Xing Yao ; Qiu, Ye Feng ; Ji, Xue ; Ye, Qing ; Li, Chunfeng ; Liu, Yang ; Deng, Yong Qiang ; Jiang, Tao ; Cheng, Gong ; Zhang, Fu Chun ; Davidson, Andrew D. ; Song, Ya Jun ; Shi, Pei Yong ; Qin, Cheng Feng. / Development of a chimeric Zika vaccine using a licensed live-attenuated flavivirus vaccine as backbone. In: Nature communications. 2018 ; Vol. 9, No. 1.

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