Evidence map›Paper›PMID 38932118›Full record

ArticleViruses2024

Exosomes as Conduits: Facilitating Hepatitis B Virus-Independent Hepatitis D Virus Transmission and Propagation in Hepatocytes.

Marwa Khabir, Matthieu Blanchet, Léna Angelo, Hamza Loucif, Julien van Grevenynghe, Terence Ndonyi Bukong, Patrick Labonté

Abstract read
In one paragraph

Article in Viruses, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

  1. Review
  2. Review
  3. Article
  4. Virus infection and vesicle trafficking.Frontiers in immunology · 2025
    Review
  5. Hepatitis B virus entry, assembly, and egress.Microbiology and molecular biology reviews : MMBR · 2024
    Review
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

7 authors.

Marwa KhabirINRS-Centre Armand-Frappier Santé Biotechnologie, Laval, QC H7V 1B7, Canada.
Matthieu BlanchetINRS-Centre Armand-Frappier Santé Biotechnologie, Laval, QC H7V 1B7, Canada.ORCID 0009-0008-3420-4374
Léna AngeloINRS-Centre Armand-Frappier Santé Biotechnologie, Laval, QC H7V 1B7, Canada.ORCID 0009-0001-2569-4323
Hamza LoucifINRS-Centre Armand-Frappier Santé Biotechnologie, Laval, QC H7V 1B7, Canada.ORCID 0000-0002-2646-524X
Julien van GrevenyngheINRS-Centre Armand-Frappier Santé Biotechnologie, Laval, QC H7V 1B7, Canada.
Terence Ndonyi BukongINRS-Centre Armand-Frappier Santé Biotechnologie, Laval, QC H7V 1B7, Canada.ORCID 0000-0003-3898-0617
Patrick LabontéINRS-Centre Armand-Frappier Santé Biotechnologie, Laval, QC H7V 1B7, Canada.

Funding

National Sciences and Engineering Research Council of Canada RGPIN06932
6 · The paper itself

Abstract

A number of research studies, including ours, have spotlighted exosomes as critical facilitators of viral dissemination. While hepatitis B virus (HBV) transmission through exosomes has been studied, the focus on its satellite virus, the hepatitis delta virus (HDV), has been unexplored in this context. HDV, although being a defective virus, can replicate its genome autonomously within hepatocytes, independently of HBV. Investigations on Huh7 cells revealed an intriguing phenomenon: the HDV proteins, S-HDAg and L-HDAg, are transmitted between cells without a complete viral structure. Detailed analysis further revealed that the expression of these proteins not only bolstered exosome secretion but also ensured their enrichment within these vesicles. Our experimental approach utilized transfection of various plasmids to examine the role of HDV RNA and proteins in the process. One salient finding was the differential propagation of the HDV proteins S-HDAg and L-HDAg, suggesting intricate molecular mechanisms behind their transmission. Notably, the purity of our exosome preparations was monitored using markers such as TSG101 and CD81. Importantly, these exosomes were found to carry both HDV RNA and proteins, highlighting their role in HDV dissemination. This novel study underscores the role of exosomes in mediating the transmission of HDV components between hepatocytes independent of HBV. These revelations about the exosomal pathway of HDV transmission provide a foundation for the development of innovative therapeutic strategies against HDV infections.

Indexed as

ExosomesHepatitis B virusHepatitis Delta VirusHepatocytesVirus ReplicationCell LineHepatitis BHepatitis DHepatitis delta AntigensHumansRNA, ViralHepatitis delta AntigensRNA, ViralexosomesHBV-independent transmissionhepatitis delta virus (HDV)

Identifiers

PMID38932118
PMCPMC11209184

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.