Evidence map›Paper›PMID 37288876›Full record

ArticleEmerging microbes & infections2023

Three neutralizing mAbs induced by MPXV A29L protein recognizing different epitopes act synergistically against orthopoxvirus.

Mengjun Li, Zuning Ren, Yuelin Wang, Yushan Jiang, Minghui Yang, Delin Li, Jiayin Chen, Zuxin Liang, Yuhao Lin, Zhujun Zeng and 12 more

Open access · goldAbstract read
In one paragraph

Article in Emerging microbes & infections, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
5.8field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

34 citing papers in PubMed, 41 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

22 authors at 8 institutions in 1 country.

Mengjun LiBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Zuning RenBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Yuelin WangBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Yushan JiangBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Minghui YangAdvanced Research Institute of Multidisciplinary Sciences, Beijing Institute of Technology, Beijing, People's Republic of China.
Delin LiLaboratory of Protein Engineering and Vaccines, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, People's Republic of China.
Jiayin ChenBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Zuxin LiangBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Yuhao LinBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Zhujun ZengBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Rui XuMedical Laboratory Dept, Guangdong Provincial Hospital of Chinese Medicine, Zhuhai, People's Republic of China.
Yiting WangDepartment of Laboratory, Shenzhen Longhua Maternity and Child Healthcare Hospital, Shenzhen, People's Republic of China.
Li ZhuBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Weiwei XiaoBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Qinghua WuBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Bao ZhangBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Chengsong WanBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Yang YangShenzhen Key Laboratory of Pathogen and Immunity, State Key Discipline of Infectious Disease, Shenzhen Third People's Hospital, Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen, People's Republic of China.
Bo WuHoyotek Biomedical Co., Ltd., Tianjin, People's Republic of China.
Jie PengState Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China.
Wei ZhaoBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Chenguang ShenBSL-3 Laboratory (Guangdong), Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health; Department of Laboratory Medicine, Zhujiang Hospital; Southern Medical University, Guangzhou, People's Republic of China.
Southern Medical University · CNZhujiang Hospital · CNNanfang Hospital · CNBeijing Institute of Technology · CNChinese Academy of Sciences · CNGuangdong Provincial Hospital of Traditional Chinese Medicine · CNShenzhen Maternity and Child Healthcare Hospital · CNSouthern University of Science and Technology · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The worldwide outbreak of the monkeypox virus (MPXV) has become a "Public Health Emergency of International Concern" (PHEIC). Severe monkeypox virus infection can be fatal, however, effective therapeutic methods are yet to be developed. Mice were immunized with A35R protein and A29L protein of MPXV, and the binding and neutralizing activities of the immune sera against poxvirus-associated antigens and viruses were identified. A29L protein and A35R protein-specific monoclonal antibodies (mAbs) were generated and their antiviral activities of these mAbs were characterized in vitro and in vivo. Immunization with the MPXV A29L protein and A35R protein induced neutralizing antibodies against the orthopoxvirus in mice. None of the mAbs screened in this study against A35R could effectively neutralize the vaccinia virus (VACV), while three mAbs against A29L protein, 9F8, 3A1 and 2D1 were confirmed to have strong broad binding and neutralizing activities against orthopoxvirus, among which 9F8 showed the best neutralizing activity. 9F8, 3A1, and 2D1 recognized different epitopes on MPXV A29L protein, showing synergistic antiviral activity in vitro against the VACV Tian Tan and WR strains; the best activity was observed when the three antibodies were combined. In the vivo antiviral prophylactic and therapeutic experiments, 9F8 showed complete protective activity, whereas 3A1 and 2D1 showed partial protective activity. Similarly, the three antibodies showed synergistic antiviral protective activity against the two VACVs. In conclusion, three mAbs recognized different epitopes on MPXV A29L protein were developed and showed synergistic effects against orthopoxvirus.

Indexed as

Communicable DiseasesMpox, MonkeypoxOrthopoxvirusAnimalsAntibodies, MonoclonalAntibodies, NeutralizingAntibodies, ViralEpitopesMiceMonkeypox virusVaccinia virusViral ProteinsAntibodies, MonoclonalAntibodies, NeutralizingAntibodies, ViralEpitopesViral ProteinsA29L proteinMPXVNeutralizing mAbsorthopoxvirussynergistic effects

Identifiers

PMID37288876
PMCPMC10286687
OpenAlexW4379768500

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.