Evidence map›Paper›PMID 39587645›Full record

ArticleJournal of orthopaedic surgery and research2024

Exosomes secreted from human-derived adipose stem cells prevent progression of osteonecrosis of the femoral head.

Tatsuhito Ikezaki, Yutaka Kuroda, Toshiyuki Kawai, Yaichiro Okuzu, Yugo Morita, Koji Goto, Shuichi Matsuda

Erratum issuedAbstract read
In one paragraph

Article in Journal of orthopaedic surgery and research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

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

12 citing papers in PubMed.

  1. Article
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  7. Article
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  9. Effects of exosomes from different origins on osteoclasts.Journal of orthopaedic surgery and research · 2025
    Review
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  11. Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors.

Tatsuhito IkezakiDepartment of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606- 8507, Japan. tatsu_ike@kuhp.kyoto-u.ac.jp.
Yutaka KurodaDepartment of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606- 8507, Japan.
Toshiyuki KawaiDepartment of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606- 8507, Japan.
Yaichiro OkuzuDepartment of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606- 8507, Japan.
Yugo MoritaDepartment of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606- 8507, Japan.
Koji GotoDepartment of Orthopaedic Surgery, Kindai University Graduate School of Medicine, Onohigashi, Osakasayama, Osaka, 589-8511, Japan.
Shuichi MatsudaDepartment of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, 606- 8507, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundOsteonecrosis of the femoral head (ONFH) primarily affects young individuals and is a leading cause of total hip arthroplasty in this population. Joint-preserving regenerative therapies involving core decompression (CD), enhanced with cells, growth factors, and bone substitutes, have been developed but lack extensive validation. Exosomes are emerging as a promising regenerative therapy. Human adipose stem cell (hADSC)-derived exosomes exhibit angiogenic and wound-healing effects on damaged and diseased tissues, suggesting their potential efficacy in treating early-stage ONFH. We aimed to investigate the efficacy of hADSC-derived exosomes based on CD in a medium-sized animal model (rabbit).

methodsExosomes were extracted using the ultrafiltration filter technique from the culture supernatants of two types of hADSCs. Characterization of exosomes was performed through nanoparticle tracking analysis, transmission electron microscopy, and the detection of specific biomarkers (CD9, CD63, and CD81) by western blotting. Eighteen rabbits underwent surgical vascular occlusion and intramuscular corticosteroid injections to induce ONFH. Concurrently, CD treatment with local administration of hADSC-derived exosomes (exosome group) or saline (control group) was performed. Femoral heads were harvested at 4, 8, and 12 weeks postoperatively and evaluated using micro-computed tomography and tissue staining to assess the protective effects on osteonecrosis, angiogenesis, and osteogenesis.

resultsExosomes had average particle concentrations of 1.8 × 10

conclusionshADSC-derived exosomes can prevent the progression of ONFH by inhibiting osteonecrosis and cartilage damage. The ultrafiltration filter technique is effective for exosome extraction, indicating that exosomes hold potential as a therapeutic agent for ONFH.

Indexed as

Adult Stem CellsExosomesFemur Head NecrosisSubcutaneous Fat, AbdominalAnimalsCell FractionationCells, CulturedDisease Models, AnimalDisease ProgressionFemaleHumansPrimary Cell CultureRabbitsRegenerative MedicineTreatment OutcomeUltrafiltrationADSCExosomeHydrogelOsteonecrosis of the femoral headRegenerative treatment

Identifiers

PMID39587645
PMCPMC11590306

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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.