Evidence map›Paper›PMID 35015859›Full record

ArticleThe international journal of neuropsychopharmacology2022

Mesenchymal Stem Cell-Derived Extracellular Vesicles Alleviate M1 Microglial Activation in Brain Injury of Mice With Subarachnoid Hemorrhage via microRNA-140-5p Delivery.

Yu Qian, Qiaoyu Li, Lulu Chen, Jinyu Sun, Kan Cao, Zhaojun Mei, Xinyu Lu

RetractedOpen access · goldAbstract readRetracted Publication
In one paragraph

Article in The international journal of neuropsychopharmacology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It has been retracted, and should not be counted. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
2.1field-weighted citation impact, top 12% 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

18 citing papers in PubMed, 25 citations in OpenAlex.

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  14. Engineered EVs designed to target diseases of the CNS.Journal of controlled release : official journal of the Controlled Release Society · 2023
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 3 institutions in 1 country.

Yu QianDepartment of Neurosurgery, the Affiliated People's Hospital of Jiangsu University, Zhenjiang, P.R. China.
Qiaoyu LiDepartment of Neurosurgery, the Affiliated People's Hospital of Jiangsu University, Zhenjiang, P.R. China.
Lulu ChenDepartment of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, P.R. China.
Jinyu SunThe First Affiliated Hospital of Nanjing Medical University, Nanjing, P.R. China.
Kan CaoDepartment of Neurosurgery, the Affiliated People's Hospital of Jiangsu University, Zhenjiang, P.R. China.
Zhaojun MeiDepartment of Neurosurgery, the Affiliated People's Hospital of Jiangsu University, Zhenjiang, P.R. China.
Xinyu LuDepartment of Neurosurgery, the Affiliated People's Hospital of Jiangsu University, Zhenjiang, P.R. China.
Jiangsu University · CNAffiliated Hospital of Jiangsu University · CNNanjing Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIt is documented that mesenchymal stem cells (MSCs) secrete extracellular vesicles (EVs) to modulate subarachnoid hemorrhage (SAH) development. miR-140-5p expression has been detected in MSC-derived EVs, while the mechanism of MSC-derived EVs containing miR-140-5p in SAH remains unknown. We aim to fill this void by establishing SAH mouse models and extracting MSCs and MSC-EVs.

methodsAfter ALK5 was silenced in SAH mice, neurological function was evaluated, neuron apoptosis was detected by TdT-mediated dUTP-biotin nick end labeling with NeuN staining, and expression of serum inflammatory factors (interleukin-6, interleukin-1β, and tumor necrosis factor-α) was determined by enzyme-linked immunosorbent assay. The effect of ALK5 on NOX2 expression was assessed by western-blot analysis. Targeting the relationship between miR-140-5p and ALK5 was evaluated by dual luciferase assay. Following extraction of MSCs and MSC-EVs, EVs and miR-140-5p were labeled by PKH67 and Cy3, respectively, to identify the transferring of miR-140-5p by MSC-EVs. SAH mice were treated with EVs from miR-140-5p mimic/inhibitor-transfected MSCs to detect effects of MSC-EV-miR-140-5p on brain injury and microglial polarization.

resultsALK5 silencing increased the neurological score and reduced neuron apoptosis and neuroinflammation in SAH mice. ALK5 silencing inhibited M1 microglia activation by inactivating NOX2. ALK5 was a target gene of miR-140-5p. MSC-derived EVs contained miR-140-5p and transferred miR-140-5p into microglia. MSC-EV-delivered miR-140-3p reduced ALK5 expression to contribute to repression of brain injury and M1 microglia activation in SAH mice.

conclusionsMSC-derived EVs transferred miR-140-5p into microglia to downregulate ALK5 and NOX2, thus inhibiting M1 microglia activation in SAH mice.

Indexed as

Brain InjuriesExtracellular VesiclesMesenchymal Stem CellsMicroRNAsSubarachnoid HemorrhageAnimalsMiceMicrogliaMicroRNAsMIRN140 microRNA, mouseALK5brain injuryextracellular vesiclesM1 microglia activationmesenchymal stem cellsmicroRNA-140-5pNOX2subarachnoid hemorrhage

Identifiers

PMID35015859
PMCPMC9017768
OpenAlexW4205458978

What OpenQuestion holds

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LicenceCC BY-NC
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.