Evidence map›Paper›PMID 40537786›Full record

ArticleJournal of inflammation (London, England)2025

Mesenchymal stem cell-derived exosomal CBLB ameliorates infantile pneumonia progression probably by ubiquitinating MAPK14.

Fang Guo, Fuxing Song, Zhenjiang Chen, Na Niu, Lina Sun, Min Yan, Min Liu

Abstract read
In one paragraph

Article in Journal of inflammation (London, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. 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

7 authors.

Fang GuoDepartment of Pediatrics, Jinan City People's Hospital, No. 001, Xuehu Street, Changshao North Road, Laiwu District, Jinan, 271100, China.
Fuxing SongDepartment of Pediatrics, Jinan City People's Hospital, No. 001, Xuehu Street, Changshao North Road, Laiwu District, Jinan, 271100, China.
Zhenjiang ChenDepartment of Pediatrics, Jinan City People's Hospital, No. 001, Xuehu Street, Changshao North Road, Laiwu District, Jinan, 271100, China.
Na NiuDepartment of Pediatrics, Jinan City People's Hospital, No. 001, Xuehu Street, Changshao North Road, Laiwu District, Jinan, 271100, China.
Lina SunDepartment of Pediatrics, Jinan City People's Hospital, No. 001, Xuehu Street, Changshao North Road, Laiwu District, Jinan, 271100, China.
Min YanDepartment of Pediatrics, Jinan City People's Hospital, No. 001, Xuehu Street, Changshao North Road, Laiwu District, Jinan, 271100, China.
Min LiuDepartment of Pediatrics, Jinan City People's Hospital, No. 001, Xuehu Street, Changshao North Road, Laiwu District, Jinan, 271100, China. 15660477633@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundInfantile pneumonia (IP) is a significant cause of morbidity and mortality in young children. Mesenchymal stem cells (MSCs) have emerged as potential therapeutic agents in pneumonia due to their immunomodulatory properties. The study analyzed the role of MSCs from bone marrow in IP and the underlying mechanism.

methodsHuman embryonic lung fibroblasts (WI-38) were stimulated using lipopolysaccharide (LPS) to mimic an IP cell model. This study employed flow cytometry to analyze the expression of hematopoietic markers and marker proteins on MSCs. The differentiation potential of MSCs was assessed through microscopy, oil red O staining, and alkaline phosphatase (ALP) assays. The localization of exosomes in WI-38 cells was observed using the cell membrane green fluorescent probe DIO. Quantitative reverse transcription polymerase chain reaction (qRT-PCR), western blotting and immunohistochemistry assays were used to analyze the expression of mRNA or protein. Cell viability, proliferation, and apoptosis were evaluated using Cell counting kit-8, 5-Ethynyl-2'-deoxyuridine, and flow cytometry assays, respectively. Enzyme-linked immunosorbent assays were conducted to measure cytokine levels. A mouse model of pneumonia was utilized to assess the therapeutic potential of MSC-derived exosomes on lung injury. Co-immunoprecipitation (Co-IP) assay was performed to study the interaction between Cbl proto-oncogene B (CBLB) and mitogen-activated protein kinase 14 (MAPK14).

resultsMSC-derived exosomes could be transferred into LPS-induced WI-38 cells, where they mitigated the inhibitory effects of LPS on CBLB mRNA expression. These exosomes improved WI-38 cell proliferation, reduced apoptosis, and decreased the production of pro-inflammatory cytokines including IL-6, IL-1β, and TNF-α by regulating CBLB after LPS treatment. Moreover, in a mouse model, MSC-derived exosomes protected against LPS-induced lung injury, whereas the effect was reversed after treatment with the exosomes isolated from CBLB-deficient MSCs. In addition, CBLB was found to destabilize MAPK14 protein expression in WI-38 cells. Further, overexpression of CBLB ameliorated LPS-induced inhibitory effect on cell proliferation and promoting effects on cell apoptosis and inflammation in WI-38 cells by regulating MAPK14.

conclusionMSC-derived exosomal CBLB has therapeutic potential in ameliorating the progression of IP probably by ubiquitinating MAPK14, which could lead to novel clinical interventions for treating this condition.

Indexed as

Cbl proto-oncogene BInfantile pneumoniaMesenchymal stem cellsMitogen-activated protein kinase 14

Identifiers

PMID40537786
PMCPMC12180271

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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.