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A Thermostable mRNA Vaccine against COVID-19
Author(s) -
Na-Na Zhang,
Xiao-Feng Li,
YongQiang Deng,
Hui Zhao,
Yi-Jiao Huang,
Guan Yang,
Weijin Huang,
Peng Gao,
Chao Zhou,
Rong-Rong Zhang,
Yan Guo,
Shi-Hui Sun,
Hang Fan,
Shu-Long Zu,
Qi Chen,
Qi He,
Tian-Shu Cao,
XingYao Huang,
Hong-Ying Qiu,
Jian-Hui Nie,
Yuhang Jiang,
Hua-Yuan Yan,
Qing Ye,
Xia Zhong,
Xia-Lin Xue,
Zhen-Yu Zha,
Dongsheng Zhou,
Xiao Yang,
You-Chun Wang,
Bo Ying,
ChengFeng Qin
Publication year - 2020
Publication title -
cell
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 26.304
H-Index - 776
eISSN - 1097-4172
pISSN - 0092-8674
DOI - 10.1016/j.cell.2020.07.024
Subject(s) - biology , covid-19 , virology , messenger rna , computational biology , genetics , gene , infectious disease (medical specialty) , outbreak , medicine , disease , pathology
There is an urgent need for vaccines against coronavirus disease 2019 (COVID-19) because of the ongoing SARS-CoV-2 pandemic. Among all approaches, a messenger RNA (mRNA)-based vaccine has emerged as a rapid and versatile platform to quickly respond to this challenge. Here, we developed a lipid nanoparticle-encapsulated mRNA (mRNA-LNP) encoding the receptor binding domain (RBD) of SARS-CoV-2 as a vaccine candidate (called ARCoV). Intramuscular immunization of ARCoV mRNA-LNP elicited robust neutralizing antibodies against SARS-CoV-2 as well as a Th1-biased cellular response in mice and non-human primates. Two doses of ARCoV immunization in mice conferred complete protection against the challenge of a SARS-CoV-2 mouse-adapted strain. Additionally, ARCoV is manufactured as a liquid formulation and can be stored at room temperature for at least 1 week. ARCoV is currently being evaluated in phase 1 clinical trials.

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