Evidence map›Paper›PMID 25838974›Full record

ArticleTissue barriers2015

M cell-derived vesicles suggest a unique pathway for trans-epithelial antigen delivery.

Olivia S Sakhon, Brittany Ross, Veronica Gusti, An Joseph Pham, Kathy Vu, David D Lo

Open access · bronzeAbstract read
In one paragraph

Article in Tissue barriers, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
1.9field-weighted citation impact, top 15% 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

30 citing papers in PubMed, 48 citations in OpenAlex.

  1. Therapeutic peptides and proteins: Status and developments in drug delivery.Journal of controlled release : official journal of the Controlled Release Society · 2026
    Review
  2. Article
  3. Article
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  6. Article
  7. Article
  8. HumanTissue barriers · 2024
    Review
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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

6 authors at 2 institutions in 1 country.

Olivia S SakhonDivision of Biomedical Sciences; School of Medicine ; University of California , Riverside; Riverside, CA USA.
Brittany RossDivision of Biomedical Sciences; School of Medicine ; University of California , Riverside; Riverside, CA USA.
Veronica GustiDivision of Biomedical Sciences; School of Medicine ; University of California , Riverside; Riverside, CA USA.
An Joseph PhamDivision of Biomedical Sciences; School of Medicine ; University of California , Riverside; Riverside, CA USA.
Kathy VuDivision of Biomedical Sciences; School of Medicine ; University of California , Riverside; Riverside, CA USA.
David D LoDivision of Biomedical Sciences; School of Medicine ; University of California , Riverside; Riverside, CA USA.
Indiana University School of MedicineUniversity of California, Riverside · US

Funding

Genes regulating M cell differentiationR01AI063426 · NIAID · UNIVERSITY OF CALIFORNIA RIVERSIDE · PI LO, DAVID D · 2005 to 2016
$3.6M
NIAID NIH HHS R01 AI063426
6 · The paper itself

Abstract

M cells are a subset of mucosal epithelial cells with specialized capability to transport antigens across the mucosal barrier, but there is limited information on antigen transfer in the subepithelial zone due to the challenges in tracking microparticles and antigens that are transcytosed by this unique cell. Using transgenic reporter mice expressing dsRed in the cytoplasm of M cells and EGFP in myeloid cells, we observed that the M cell basolateral pocket hosts a close interaction between B lymphocytes and dendritic cells. Interestingly, we identified a population of previously undescribed M cell-derived vesicles (MCM) that are constitutively shed into the subepithelial space and readily taken up by CX3CR1(+)CD11b(+) CD11c(+) dendritic cells. These MCM are characterized by their cytoplasmic dsRed confirming their origin from the M cell cytoplasm. MCM showed preferential colocalization in dendritic cells with transcytosed bacteria but not transcytosed polystyrene beads, indicating a selective sorting of cargo fate in the subepithelial zone. The size and number of MCM were found to be upregulated by bacterial transcytosis and soluble toll-like receptor 2 (TLR2) agonist, further pointing to dynamic regulation of this mechanism. These results suggest that MCM provide a unique function by delivering to dendritic cells, various materials such as M cell-derived proteins, effector proteins, toxins, and particles found in the M cell cytoplasm during infection or surveillance.

Indexed as

cytoplasmimmune surveillanceM cellMCM, M cell-derived microvesiclePeyer's patchPGRP-S-dsRed/CX3CR1-EGFP double transgenic miceTLR2, toll-like receptor 2TLR4, toll-like receptor 4vesicle

Identifiers

PMID25838974
PMCPMC4372025
OpenAlexW1520107102

What OpenQuestion holds

Textmetadata
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.