Evidence map›Paper›PMID 39783853›Full record

ArticleJournal of extracellular vesicles2025

Extracellular vesicles promote the infection and pathogenicity of Japanese encephalitis virus.

Junyao Xiong, Ling'en Yang, Xiaowei Nan, Shuo Zhu, Mengxue Yan, Shengxian Xiang, Luping Zhang, Qi Li, Chengjie Yang, Xugang Wang and 5 more

Abstract read
In one paragraph

Article in Journal of extracellular vesicles, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
–field-weighted citation impact
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

13 citing papers in PubMed.

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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

15 authors.

Junyao XiongNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Ling'en YangNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Xiaowei NanNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Shuo ZhuNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Mengxue YanNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Shengxian XiangNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Luping ZhangNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Qi LiNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Chengjie YangNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Xugang WangNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Ning WeiNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Huanchun ChenNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Youhui SiNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Shengbo CaoNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.
Jing YeNational Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei, China.ORCID https://orcid.org/0000-0001-5002-5351

Funding

Fundamental Research Funds for the Central Universities Project 2662023PY005National Key Research and Development Program of China 2021YFC2600204National Key Research and Development Program of China 2022YFD1800105National Key Research and Development Program of China 2022YFD1801500National Natural Science Foundation of China 31825025National Natural Science Foundation of China 32022082National Natural Science Foundation of China 32030107
6 · The paper itself

Abstract

Japanese encephalitis virus (JEV) is a neurotropic zoonotic pathogen that poses a serious threat to public health. Currently, there is no specific therapeutic agent available for JEV infection, primarily due to the complexity of its infection mechanism and pathogenesis. Extracellular vesicles (EVs) have been known to play an important role in viral infection, but their specific functions in JEV infection remain unknown. Here, ultracentrifugation in combination with density gradient centrifugation was conducted to purify EVs from JEV-infected cells. The purified EVs were found to be infectious, with virions observed inside the EVs. Furthermore, our study showed the formation process of virion-containing EVs both in vitro and in vivo, which involved the fusion of multivesicular bodies with the cell membrane, leading to the release of virion-containing intraluminal vesicles into the extracellular space. Further studies revealed that EVs played a crucial role in JEV propagation by facilitating viral entry and assembly-release. Furthermore, EVs assisted JEV in evading the neutralizing antibodies and promoted viral capability to cross the blood-brain and placental barriers. Moreover, in vivo experiments demonstrated that EVs were beneficial for JEV infection and pathogenicity. Taken together, our findings highlight the significant contribution of EVs in JEV infection and provide valuable insights into JEV pathogenesis.

Indexed as

Encephalitis, JapaneseEncephalitis Virus, JapaneseExtracellular VesiclesAnimalsAntibodies, NeutralizingBlood-Brain BarrierCell LineFemaleHumansMiceVirionVirus InternalizationAntibodies, NeutralizingEVsJEVneutralizing antibodiespathogenicitytissue barrier

Identifiers

PMID39783853
PMCPMC11714208

What OpenQuestion holds

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Registered trials

None linked

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.