Evidence map›Paper›PMID 41316990›Full record

ArticleJournal of extracellular vesicles2025

Engineered Low-Endotoxin Bacterial Biomimetic Vesicles for Enhanced Oral Dual-Antigen Subunit Vaccine Delivery.

Xuegang Shen, Shujie Wang, Kunying Qiu, Zeqing Liu, Xiaoxiao Tian, Fandan Meng, Yan-Dong Tang, Haiwei Wang, Mingxia Sun, Xue-Hui Cai and 2 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 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Review
  2. Article
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

12 authors.

Xuegang ShenState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.
Shujie WangState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.ORCID https://orcid.org/0000-0002-7020-5410
Kunying QiuState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.
Zeqing LiuState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.
Xiaoxiao TianState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.
Fandan MengState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.
Yan-Dong TangState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.
Haiwei WangState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.ORCID https://orcid.org/0000-0002-0588-2511
Mingxia SunState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.
Xue-Hui CaiState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.ORCID https://orcid.org/0009-0007-6677-8754
Tong-Qing AnState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.ORCID https://orcid.org/0000-0003-4619-4587
Yong-Bo YangState Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.ORCID https://orcid.org/0000-0003-4131-0526

Funding

Agricultural Science and Technology Innovation Program CAAS-CSLPDCP-202301Basic Research Center, Innovation Program of Chinese Academy of Agricultural Sciences CAAS-BRC-LPDC-2025-02Central Public-Interest Scientific Institution Basal Research Fund 1610302024007Central Public-Interest Scientific Institution Basal Research Fund No. 1610302022019National Key Research and Development Program of China 2022YFD1800300Natural Science Foundation of Heilongjiang Province ZD2023C005State Key Laboratory for Animal Disease Control and Prevention SKLADCPKFKT202405Technology Integration and Demonstration Program for High-Yield and High-Efficiency Agriculture Program of Chinese Academy of Agricultural Sciences ZHJGCGX202516
6 · The paper itself

Abstract

Subunit vaccines are promising for disease prevention because of their safety and cost-effectiveness. However, their efficacy is limited by low immunogenicity and gastrointestinal degradation after oral administration. To address this issue, low-endotoxin Salmonella choleraesuis strain SC-L3 was engineered via lipid A modification to generate bacterial biomimetic vesicles (BBVs) with reduced endotoxin activity. BBVs were functionalized using ClyA-embedded SpyCatcher and Streptococcus protein G for dual antigen coupling, and further coated with chitosan oligosaccharides (COS) to enhance mucosal penetration and gastrointestinal stability. Using mCherry as a model antigen, we obtained optimized mCherry-CSS-BBV@COS that showed high antigen protection rates (83% and 63% in simulated gastric and intestinal fluids, respectively), capacity for lysosomal escape and effective stimulation of M1 macrophage polarization in vitro. Oral administration of mCherry-CSS-BBV@COS elicited robust systemic IgG and mucosal sIgA responses in mice. Furthermore, dual-antigen BBV conjugates (GDH-gD-Fc-CSS-BBV@COS) co-delivering Streptococcus suis glutamate dehydrogenase and pseudorabies virus gD-Fc induced antigen-specific humoral, mucosal and cellular immunity, conferring complete protection against lethal challenges with the respective pathogens. In summary, we generated a versatile, low-endotoxin BBV platform for oral combination subunit vaccines, offering a novel strategy for protection against viral and bacterial infections.

Indexed as

EndotoxinsExtracellular VesiclesVaccines, SubunitAdministration, OralAnimalsAntigens, BacterialChitosanFemaleMiceMice, Inbred BALB CAntigens, BacterialChitosanEndotoxinsVaccines, Subunitbacterial biomimetic vesiclecombination subunit vaccinelow‐endotoxin engineeringmucosal immunityoral antigen delivery

Identifiers

PMID41316990
PMCPMC12663866

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

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.