Evidence map›Paper›PMID 36994461›Full record

ArticleJOR spine2023

Homing of vertebral-delivered mesenchymal stromal cells for degenerative intervertebral discs repair - an in vivo proof-of-concept study.

Jordy Schol, Daisuke Sakai, Takayuki Warita, Tadashi Nukaga, Kosuke Sako, Sebastian Wangler, Shota Tamagawa, Stephan Zeiter, Mauro Alini, Sibylle Grad

Open access · goldAbstract read
In one paragraph

Article in JOR spine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
2.2field-weighted citation impact, top 11% 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

14 citing papers in PubMed, 1 synthesis or guideline pooled it, 16 citations in OpenAlex.

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  11. ISSLS PRIZE in Basic Science 2024: superiority of nucleus pulposus cell- versus mesenchymal stromal cell-derived extracellular vesicles in attenuating disc degeneration and alleviating pain.European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2024
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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

10 authors at 3 institutions in 2 countries.

Jordy ScholDepartment of Orthopaedic Surgery Tokai University School of Medicine Isehara Japan.ORCID https://orcid.org/0000-0001-5489-2591
Daisuke SakaiDepartment of Orthopaedic Surgery Tokai University School of Medicine Isehara Japan.ORCID https://orcid.org/0000-0003-4189-9270
Takayuki WaritaResearch Center for Regenerative Medicine Tokai University School of Medicine Isehara Japan.
Tadashi NukagaDepartment of Orthopaedic Surgery Tokai University School of Medicine Isehara Japan.
Kosuke SakoDepartment of Orthopaedic Surgery Tokai University School of Medicine Isehara Japan.ORCID https://orcid.org/0000-0002-4305-7774
Sebastian WanglerAO Research Institute Davos Davos Switzerland.ORCID https://orcid.org/0000-0003-0166-5525
Shota TamagawaDepartment of Orthopaedic Surgery Tokai University School of Medicine Isehara Japan.ORCID https://orcid.org/0000-0002-5384-8158
Stephan ZeiterAO Research Institute Davos Davos Switzerland.ORCID https://orcid.org/0000-0002-8155-4202
Mauro AliniAO Research Institute Davos Davos Switzerland.ORCID https://orcid.org/0000-0002-0262-1412
Sibylle GradAO Research Institute Davos Davos Switzerland.ORCID https://orcid.org/0000-0001-9552-3653
Tokai University · JPAO Foundation · CHUniversity of Bern · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction: Cell transplantation shows promising results for intervertebral disc (IVD) repair, however, contemporary strategies present concerns regarding needle puncture damage, cell retention, and straining the limited nutrient availability. Mesenchymal stromal cell (MSC) homing is a natural mechanism of long-distance cellular migration to sites of damage and regeneration. Previous ex vivo studies have confirmed the potential of MSC to migrate over the endplate and enhance IVD-matrix production. In this study, we aimed to exploit this mechanism to engender IVD repair in a rat disc degeneration model. Methods: Female Sprague Dawley rats were subjected to coccygeal disc degeneration through nucleus pulposus (NP) aspiration. In part 1; MSC or saline was transplanted into the vertebrae neighboring healthy or degenerative IVD subjected to irradiation or left untouched, and the ability to maintain the IVD integrity for 2 and 4 weeks was assessed by disc height index (DHI) and histology. For part 2, ubiquitously GFP expressing MSC were transplanted either intradiscally or vertebrally, and regenerative outcomes were compared at days 1, 5, and 14 post-transplantation. Moreover, the homing potential from vertebrae to IVD of the GFP Results: Part 1 of the study revealed significantly improved maintenance of DHI for IVD vertebrally receiving MSC. Moreover, histological observations revealed a trend of IVD integrity maintenance. Part 2 of the study highlighted the enhanced DHI and matrix integrity for discs receiving MSC vertebrally compared with intradiscal injection. Moreover, GFP rates highlighted MSC migration and integration in the IVD at similar rates as the intradiscally treated cohort. Conclusion: Vertebrally transplanted MSC had a beneficial effect on the degenerative cascade in their neighboring IVD, and thus potentially present an alternative administration strategy. Further investigation will be needed to determine the long-term effects, elucidate the role of cellular homing versus paracrine signaling, and validate our observations on a large animal model.

Indexed as

cell therapydegenerationhomingintervertebral discmesenchymal stromal cellsrat model

Identifiers

PMID36994461
PMCPMC10041374
OpenAlexW4309199044

What OpenQuestion holds

Textmetadata
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 OpenQuestion graph.