Evidence map›Paper›PMID 38684579›Full record

ArticleIn vitro cellular & developmental biology. Animal2024

BMSC-derived exosomes regulate the Treg/Th17 balance through the miR-21-5p/TLR4/MyD88/NF-κB pathway to alleviate dry eye symptoms in mice.

Dandan Zhao, Hao Ji, Hongxia Zhao, Yanze Xu, Anni He, Yang He

Abstract read
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In one paragraph

Article in In vitro cellular & developmental biology. Animal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 2 pooled it
–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

18 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  3. [Advances in stem cell and exosome-based therapies for dry eye disease].Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi · 2026
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  8. Exosomes in corneal diseases: advances in diagnosis and therapy.Frontiers in cell and developmental biology · 2026
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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.

Dandan Zhao *Department of Ophthalmology, Yan'an Hospital of Kunming City, Kunming, Yunnan, 650051, China.
Hao Ji *Department of Information, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, 650032, China.
Hongxia ZhaoDepartment of Ophthalmology, Yan'an Hospital of Kunming City, Kunming, Yunnan, 650051, China.
Yanze XuDepartment of Ophthalmology, Yan'an Hospital of Kunming City, Kunming, Yunnan, 650051, China.
Anni HeDepartment of Ophthalmology, Kunming Medical University, Kunming, Yunnan, 650500, China.
Yang HeDepartment of Ophthalmology, Yan'an Hospital of Kunming City, Kunming, Yunnan, 650051, China. yayyhe@163.com.

Funding

Health Research Project of Kunming Health Commission 2020-07-02-112National Natural Science and Technology Foundation project 82360201Yunnan Basic Research Program 202301AY070001-156
6 · The paper itself

Abstract

Bone marrow mesenchymal stem cell (BMSC)-derived exosomes (BMSC-Exos) have a variety of biological functions and are extensively involved in the regulation of inflammatory diseases, as well as tissue repair and regeneration. However, the mechanism of action of these compounds in dry eye disease (DED) in mice is still unclear. This study demonstrated that the Treg/Th17 ratio was strongly imbalanced in DED clinical samples. BMSC-Exos can modulate the Treg/Th17 balance, improve the integrity of the corneal epithelial layer, and ameliorate DED progression in mice. Mechanistically, BMSC-Exos dramatically decreased the levels of IL-17 and IL-22; increased the levels of IL-4, IL-10, and TGF-β1; and increased tear secretion and the number of goblet cells in the conjunctiva in mice, thus alleviating the progression of DED. This effect is achieved by BMSC-Exos through the delivery of miR-21-5p to target and restrain TLR4, thereby restraining the MyD88/NF-κB pathway. Our study showed that the upregulation of miR-21-5p in BMSC-Exos may be a therapeutic target for DED. These findings support new ideas and a basis for treating DED, as well as for further study of the application value of exosomes in alleviating DED.

Indexed as

Dry Eye SyndromesExosomesMesenchymal Stem CellsMicroRNAsMyeloid Differentiation Factor 88NF-kappa BSignal TransductionTh17 CellsT-Lymphocytes, RegulatoryToll-Like Receptor 4AnimalsFemaleHumansMaleMiceMice, Inbred C57BLMicroRNAsMIRN21 microRNA, mouseMyd88 protein, mouseMyeloid Differentiation Factor 88NF-kappa BTlr4 protein, mouseToll-Like Receptor 4Dry eye syndromeExosomesmiR-21-5pTLR4/MyD88/NF-κB pathwayTreg/Th17 balance

Identifiers

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Registered trials

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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.