Evidence mapPaperPMID 39444002Full record

ArticleStem cell research & therapy2024

Promotion of nerve regeneration and motor function recovery in SCI rats using LOCAS-iPSCs-NSCs.

Gang Xu, Rui Ge, Chunli Zhang, Ziteng Zhao, Liwei Han, Wanhao Zhang, WenJie Yue, Jing Zhang, Yantao Zhao, Shuxun Hou and 2 more

Abstract read
In one paragraph

Article in Stem cell research & therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

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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

5 citing papers in PubMed.

  1. 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

12 authors.

Gang Xu *Department of Orthopaedics, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning Province, China. xugang@dmu.edu.cn.ORCID 0000-0002-3550-2882
Rui Ge *Department of Orthopaedics, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning Province, China.
Chunli ZhangSenior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China.
Ziteng ZhaoSenior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China.
Liwei HanSenior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China.
Wanhao ZhangDepartment of Orthopaedics, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning Province, China.
WenJie YueDepartment of Orthopaedics, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning Province, China.
Jing ZhangDepartment of Orthopaedics, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning Province, China.
Yantao ZhaoSenior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China.
Shuxun HouSenior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China.
Li LiSenior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital, Beijing, 100048, China. lili304@126.com.
Peng WangDepartment of Neurosurgery, The First Medical Center of PLA General Hospital, Beijing, 100853, China. wangpeng301@foxmail.com.

Funding

Haidian Frontier Project of Beijing Natural Science Foundation L212066National Natural Science Foundation of China 82151312National Natural Science Foundation of China 82204820National Natural Science Foundation of China 82272493The Beijing Science Nova Program 20220484155the Teaching Reform Research Project of Dalian Medical University DYLX22025
6 · The paper itself

Abstract

backgroundSpinal cord injury (SCI) is a severe traumatic spinal condition with a poor prognosis. In this study, a scaffold called linearly ordered collagen aggregates (LOCAS) was created and loaded with induced pluripotent stem cells (iPSCs)-derived neural stem cells (NSCs) from human umbilical cord blood derived mesenchymal stem cells (hUCB-MSCs) to treat SCI in a rat model.

methodsThe rats underwent a complete transection SCI resulting in a 3-mm break at either the T9 or T10 level of the spinal cord.

resultsScanning electron microscope analysis revealed a uniform pore structure on the coronal plane of the scaffold. The LOCAS had a porosity of 88.52% and a water absorption of 1161.67%. Its compressive modulus and stress were measured at 4.1 MPa and 205 kPa, respectively, with a degradation time of 10 weeks. After 12 weeks, rats in the LOCAS-iPSCs-NSCs group exhibited significantly higher BBB scores (8.6) compared to the LOCAS-iPSCs-NSCs group (5.6) and the Model group (4.2). The CatWalk analysis showed improved motion trajectory, regularity index (RI), and swing speed in the LOCAS-iPSCs-NSCs group compared to the other groups. Motor evoked potentials latency was lower and amplitude was higher in the LOCAS-iPSCs-NSCs group, indicating better neural function recovery. Histological analysis demonstrated enhanced neuronal differentiation of NSCs and nerve fiber regeneration promoted by LOCAS-iPSCs-NSCs, leading to improved motor function recovery in rats. The LOCAS scaffold facilitated ordered neurofilament extension and guided nerve regeneration.

conclusionsThe combination of LOCAS and iPSCs-NSCs demonstrated a positive therapeutic impact on motor function recovery and tissue repair in rats with SCI. This development offers a more resilient bionic microenvironment and presents novel possibilities for clinical SCI repair.

Indexed as

Induced Pluripotent Stem CellsNerve RegenerationNeural Stem CellsRecovery of FunctionSpinal Cord InjuriesAnimalsCell DifferentiationCollagenFemaleHumansMesenchymal Stem CellsRatsRats, Sprague-DawleyTissue ScaffoldsCollagenBiomaterialCollagen aggregatesInduced pluripotent stem cellsNeural stem cellsSpinal cord injuryTissue engineering

Identifiers

PMID39444002
PMCPMC11515548

What Socratic holds

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LicenceCC BY-NC-ND
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 Socratic graph.