Evidence map›Paper›PMID 33656805›Full record

ArticleStem cells translational medicine2021

Amniotic membrane-mesenchymal stromal cells secreted factors and extracellular vesicle-miRNAs: Anti-inflammatory and regenerative features for musculoskeletal tissues.

Enrico Ragni, Andrea Papait, Carlotta Perucca Orfei, Antonietta Rosa Silini, Alessandra Colombini, Marco Viganò, Francesca Libonati, Ornella Parolini, Laura de Girolamo

Open access · goldAbstract read
In one paragraph

Article in Stem cells translational medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 61 papers.

0numbers the graph read from it
0cells of the map it votes in
61citing papers in PubMed
5.8field-weighted citation impact, top 3% 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

61 citing papers in PubMed, 80 citations in OpenAlex.

  1. Peripheral Blood Immune Cell Composition After Autologous MSC Infusion in Kidney Transplantation Recipients.Transplant international : official journal of the European Society for Organ Transplantation · 2023
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  16. Extracellular vesicles in bone aging: therapeutic strategies and applications.Extracellular vesicles and circulating nucleic acids · 2025
    Review
  17. Article
  18. Article
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  20. Article

1 more citing papers are in PubMed but not listed here.

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

9 authors at 4 institutions in 1 country.

Enrico RagniIRCCS Istituto Ortopedico Galeazzi, Laboratorio di Biotecnologie Applicate all'Ortopedia, Milan, Italy.ORCID 0000-0003-0272-7417
Andrea PapaitCentro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero, Brescia, Italy.
Carlotta Perucca OrfeiIRCCS Istituto Ortopedico Galeazzi, Laboratorio di Biotecnologie Applicate all'Ortopedia, Milan, Italy.ORCID 0000-0001-6162-8668
Antonietta Rosa SiliniCentro di Ricerca E. Menni, Fondazione Poliambulanza Istituto Ospedaliero, Brescia, Italy.ORCID 0000-0001-6208-3583
Alessandra ColombiniIRCCS Istituto Ortopedico Galeazzi, Laboratorio di Biotecnologie Applicate all'Ortopedia, Milan, Italy.
Marco ViganòIRCCS Istituto Ortopedico Galeazzi, Laboratorio di Biotecnologie Applicate all'Ortopedia, Milan, Italy.ORCID 0000-0002-6463-6564
Francesca LibonatiIRCCS Istituto Ortopedico Galeazzi, Laboratorio di Biotecnologie Applicate all'Ortopedia, Milan, Italy.
Ornella ParoliniDepartment of Life Science and Public Health, Università Cattolica del Sacro Cuore, Rome, Italy.
Laura de GirolamoIRCCS Istituto Ortopedico Galeazzi, Laboratorio di Biotecnologie Applicate all'Ortopedia, Milan, Italy.
Istituto Ortopedico Galeazzi · ITFondazione Poliambulanza Istituto Ospedaliero · ITIstituti di Ricovero e Cura a Carattere Scientifico · ITUniversità Cattolica del Sacro Cuore · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Human amniotic membrane-derived mesenchymal stromal cells (hAMSCs) are easily obtained in large quantities and free from ethical concerns. Promising therapeutic results for both hAMSCs and their secreted factors (secretome) were described by several in vitro and preclinical studies, often for treatment of orthopedic disorders such as osteoarthritis (OA) and tendinopathy. For clinical translation of the hAMSC secretome as cell-free therapy, a detailed characterization of hAMSC-secreted factors is mandatory. Herein, we tested the presence of 200 secreted factors and 754 miRNAs in extracellular vesicles (EVs). Thirty-seven cytokines/chemokines were identified at varying abundance, some of which involved in both chemotaxis and homeostasis of inflammatory cells and in positive remodeling of extracellular matrix, often damaged in tendinopathy and OA. We also found 336 EV-miRNAs, 51 of which accounted for more than 95% of the genetic message. A focused analysis based on miRNAs related to OA and tendinopathy showed that most abundant EV-miRNAs are teno- and chondro-protective, able to induce M2 macrophage polarization, inhibit inflammatory T cells, and promote Treg. Functional analysis on IL-1β treated tenocytes and chondrocytes resulted in downregulation of inflammation-associated genes. Overall, presence of key regulatory molecules and miRNAs explain the promising therapeutic results of hAMSCs and their secretome for treatment of musculoskeletal conditions and are a groundwork for similar studies in other pathologies. Furthermore, identified molecules will pave the way for future studies aimed at more sharply predicting disease-targeted clinical efficacy, as well as setting up potency and release assays to fingerprint clinical-grade batches of whole secretome or purified components.

Indexed as

Extracellular VesiclesMesenchymal Stem CellsMicroRNAsOsteoarthritisSecretomeTendinopathyAmnionChemokinesCytokinesExtracellular MatrixHumansMusculoskeletal SystemRegenerationChemokinesCytokinesMicroRNAsamnionextracellular vesiclesinflammationmesenchymal stem/stromal cellsosteoarthritistendinopathy

Identifiers

PMID33656805
PMCPMC8235131
OpenAlexW3134196934

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.