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Zhang YN, Zhang HQ, Wang GF, Zhang ZR, Li JQ, Chen XL, Hu YY, Zeng XY, Shi YJ, Wang J, Li YH, Li XD, Wang CH, Zhu B, Zhang B. Intranasal delivery of replicating mRNA encoding hACE2-targeting antibody against SARS-CoV-2 Omicron infection in the hamster. Antiviral Res 2023; 209:105507. [PMID: 36565755 PMCID: PMC9769068 DOI: 10.1016/j.antiviral.2022.105507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/24/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
The Omicron variant is sweeping the world, which displays striking immune escape potential through mutations at key antigenic sites on the spike protein, making broad-spectrum SARS-CoV-2 prevention or therapeutical strategies urgently needed. Previously, we have reported a hACE2-targeting neutralizing antibody 3E8, which could efficiently block both prototype SARS-CoV-2 and Delta variant infections in prophylactic mouse models, having the potential of broad-spectrum to prevent SARS-CoV-2. However, preparation of monoclonal neutralizing antibodies is severely limited by the time-consuming process and the relative high cost. Here, we utilized a modified VEEV replicon with two subgenomic (sg) promoters engineered to express the light and heavy chains of the 3E8 mAb. The feasibility and protective efficacy of replicating mRNA encoding 3E8 against Omicron infection in the hamster were demonstrated through the lung targeting delivery with the help of VEEV-VRP. Overall, we developed a safe and cost-effective platform of broad-spectrum to prevent SARS-CoV-2 infection.
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Affiliation(s)
- Ya-Nan Zhang
- Center Laboratory, Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, China,Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Hong-Qing Zhang
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Gui-Feng Wang
- Biotherapeutics Discovery Research Center, Shanghai Institute of Materia Medica, Shanghai, China
| | - Zhe-Rui Zhang
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Jia-Qi Li
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiao-Ling Chen
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yan-Yan Hu
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiang-Yue Zeng
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yu-Jia Shi
- Hunan Normal University, School of Medicine, Changsha, 410081, China
| | - Jing Wang
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ying-Hua Li
- Center Laboratory, Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, China
| | - Xiao-Dan Li
- Hunan Normal University, School of Medicine, Changsha, 410081, China
| | - Chun-He Wang
- Biotherapeutics Discovery Research Center, Shanghai Institute of Materia Medica, Shanghai, China,Corresponding author
| | - Bing Zhu
- Center Laboratory, Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, China,Corresponding author
| | - Bo Zhang
- Center Laboratory, Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, China,Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China,Corresponding author. Center Laboratory, Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, China
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