Evidence map›Paper›PMID 37391774›Full record

ArticleJournal of neuroinflammation2023

Endothelial progenitor cell-derived exosomes promote anti-inflammatory macrophages via SOCS3/JAK2/STAT3 axis and improve the outcome of spinal cord injury.

Feifei Yuan, Wei Peng, Yuying Yang, Jiaqi Xu, Yudong Liu, Yong Xie, Tingmo Huang, Chaoran Shi, Yinghe Ding, Chengjun Li and 6 more

Open access · goldAbstract read
In one paragraph

Article in Journal of neuroinflammation, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
53citing papers in PubMed, 1 pooled it
10.0field-weighted citation impact, top 1% 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

53 citing papers in PubMed, 1 synthesis or guideline pooled it, 65 citations in OpenAlex.

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  15. Extracellular vesicle-based therapeutic strategies for spinal cord injury.Extracellular vesicles and circulating nucleic acids · 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

16 authors at 4 institutions in 1 country.

Feifei YuanDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
Wei PengDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
Yuying YangDepartment of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.
Jiaqi XuDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
Yudong LiuDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
Yong XieDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
Tingmo HuangDepartment of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.
Chaoran ShiDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
Yinghe DingDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
Chengjun LiDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
Tian QinDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
Shanshan XieDepartment of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.
Fengzhang ZhuDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.
Hongbin LuDepartment of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.
Jianjun HuangDepartment of Spine Surgery, Ningde City Hospital, Fujian Medical University, Ningde, China. fjhjj-a901@163.com.
Jianzhong HuDepartment of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China. jianzhonghu@csu.edu.cn.
Xiangya Hospital Central South University · CNCentral South University · CNSoil and Fertilizer Institute of Hunan Province · CNFujian Medical University · CN

Funding

Chinese Medicine Research Project of Fujian Province 2017FJZYLC305Graduate Students' Independently Explore Innovative Projects of Central South University 2022ZZTS0943National Natural Science Foundation of China 82030071the Science and Technology Bureau of Changsha kh2103008
6 · The paper itself

Abstract

backgroundMacrophage in the spinal cord injury (SCI) area imparts a chronic pro-inflammation effect that challenges the recovery of SCI. Previously, endothelial progenitor cell-produced exosomes (EPC-EXOs) have been noticed to facilitate revascularization and inflammation control after SCI. However, their effects on macrophage polarization remained unclear. This study aimed to investigate the EPC-EXOs' role in macrophage polarization and reveal its underlying mechanism.

methodsWe extracted the macrophages and EPC from the bone marrow suspension of C57BL/L mice by centrifugation. After cell identification, the EPC-EXOs were collected by ultra-high-speed centrifugation and exosome extraction kits and identified by transmission electron microscopy and nanoparticle tracking analysis. Then, macrophages were cultured with EPC-EXOs in different concentrations. We labeled the exosome to confirm its internalization by macrophage and detected the macrophage polarization marker level both in vitro and in vivo. We further estimated EPC-EXOs' protective effects on SCI by mice spinal cord tissue H&E staining and motor behavior evaluation. Finally, we performed RT-qPCR to identify the upregulated miRNA in EPC-EXOs and manipulate its expression to estimate its role in macrophage polarization, SOCS3/JAK2/STAT3 pathway activation, and motor behavior improvement.

resultsWe found that EPC-EXOs decreased the macrophages' pro-inflammatory marker expression and increased their anti-inflammatory marker expression on the 7 and 14 days after SCI. The spinal cord H&E staining results showed that EPC-EXOs raised the tissue-sparing area rate significantly after 28 days of SCI and the motor behavior evaluation indicated an increased BMS score and motor-evoked potential by EPC-EXOs treatment after SCI. The RT-qPCR assay identified that miR-222-3P upregulated in EPC-EXOs and its miRNA-mimic also decreased the pro-inflammatory macrophages and increased the anti-inflammatory macrophages. Additionally, miR-222-3P mimic activated the SOCS3/JAK2/STAT3 pathway, and SOCS3/JAK2/STAT3 pathway inhibition blocked miR-2223P's effects on macrophage polarization and mouse motor behavior.

conclusionComprehensively, we discovered that EPC-EXOs-derived miR-222-3p affected macrophage polarization via SOCS3/JAK2/STAT3 pathway and promoted mouse functional repair after SCI, which reveals EPC-EXOs' role in modulation of macrophage phenotype and will provide a novel interventional strategy to induce post-SCI recovery.

Indexed as

Endothelial Progenitor CellsExosomesMicroRNAsSpinal Cord InjuriesAnimalsAnti-Inflammatory AgentsInflammationMacrophagesMiceMice, Inbred C57BLAnti-Inflammatory AgentsMicroRNAsAnti-inflammatory macrophagesEndothelial progenitor cellsExosomesmiR-222-3pPro-inflammatory macrophagesSOCS3Spinal cord injury

Identifiers

PMID37391774
PMCPMC10314438
OpenAlexW4382777564

What OpenQuestion holds

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LicenceCC BY
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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.