Evidence map›Paper›PMID 34640324›Full record

ArticleJournal of clinical medicine2021

Attenuation of Knee Osteoarthritis Progression in Mice through Polarization of M2 Macrophages by Intra-Articular Transplantation of Non-Cultured Human Adipose-Derived Regenerative Cells.

Kohei Kamada, Takehiko Matsushita, Takahiro Yamashita, Tomoyuki Matsumoto, Hideki Iwaguro, Satoshi Sobajima, Ryosuke Kuroda

Open access · goldAbstract read
In one paragraph

Article in Journal of clinical medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
1.5field-weighted citation impact, top 17% 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

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 19 citations in OpenAlex.

  1. Pooled it
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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

7 authors at 2 institutions in 1 country.

Kohei KamadaDepartment of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan.ORCID 0000-0001-5021-3168
Takehiko MatsushitaDepartment of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan.
Takahiro YamashitaDepartment of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan.
Tomoyuki MatsumotoDepartment of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan.
Hideki IwaguroSobajima Clinic, Higashiosaka, Osaka 577-0011, Japan.
Satoshi SobajimaSobajima Clinic, Higashiosaka, Osaka 577-0011, Japan.ORCID 0000-0003-3829-7084
Ryosuke KurodaDepartment of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan.
Kobe University · JPOsaka Nishi Clinic · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Adipose-derived regenerative cells (ADRCs) are non-cultured heterogeneous or mixed populations of cells obtained from adipose tissue by collagenase digestion. The injection of ADRCs have been tried clinically for the treatment of osteoarthritis (OA). The purpose of this study was to evaluate the effect of intra-articular transplantation of human ADRCs on OA progression in mice and the effect of ADRCs on macrophage polarization. In in vivo experiments, BALB/c-nu mice with knee OA received intra-articular transplantation of either phosphate buffered-saline or human ADRCs. OA progression was evaluated histologically and significantly attenuated in the ADRC group at both four and eight weeks postoperatively. The expression of OA-related proteins in the cartilage and macrophage-associated markers in the synovium were examined by immunohistochemistry. The numbers of MMP-13-, ADAMTS-5-, IL-1β-, IL-6- and iNOS-positive cells significantly decreased, and type II collagen- and CD206-positive cells were more frequently detected in the ADRC group compared with that in the control group. In vitro co-culture experiments showed that ADRCs induced macrophage polarization toward M2. The results of this study suggest that the intra-articular transplantation of human ADRCs could attenuate OA progression possibly by reducing catabolic factors in chondrocytes and modulating macrophage polarization.

Indexed as

adipose-derived regenerative cellsmacrophageosteoarthritisstromal vascular fraction

Identifiers

PMID34640324
PMCPMC8509129
OpenAlexW3199385532

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.