Evidence mapPaperPMID 41514432Full record

ArticleStem cell research & therapy2026

Molecular and functional characterization of GMP-manufactured neural stem cells and their extracellular vesicles for innovative therapeutic applications.

Martina Guzzetti, Letizia Mezzasoma, Davide Chiasserini, Lara Macchioni, Magdalena Davidescu, Alessandro di Michele, Marco Gargaro, Nicola Di-Iacovo, Giorgia Manni, Gianmarco Muzi and 8 more

Abstract read
In one paragraph

Article in Stem cell research & therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

18 authors.

Martina Guzzetti *Department of Medicine and Surgery, University of Perugia, Perugia, Italy.
Letizia Mezzasoma *Department of Medicine and Surgery, University of Perugia, Perugia, Italy.
Davide ChiasseriniDepartment of Medicine and Surgery, University of Perugia, Perugia, Italy.
Lara MacchioniDepartment of Medicine and Surgery, University of Perugia, Perugia, Italy.
Magdalena DavidescuDepartment of Medicine and Surgery, University of Perugia, Perugia, Italy.
Alessandro di MicheleExtracellular Vesicles Network (EV-net) of the University of Perugia, Perugia, Italy.
Marco GargaroDepartment of Pharmaceutical Sciences, University of Perugia, Perugia, Italy.
Nicola Di-IacovoDepartment of Medicine and Surgery, University of Perugia, Perugia, Italy.
Giorgia ManniDepartment of Medicine and Surgery, University of Perugia, Perugia, Italy.
Gianmarco MuziLaboratorio Cellule Staminali, Cell Factory e Biobanca, Santa Maria Hospital, Terni, Italy.
Ilaria ProiettiLaboratorio Cellule Staminali, Cell Factory e Biobanca, Santa Maria Hospital, Terni, Italy.
Giuseppina BevacquaDepartment of Neuroscience, Neurosurgery Unit, Santa Maria Hospital, Terni, Italy.
Eleonora BecattiniDepartment of Neuroscience, Neurosurgery Unit, Santa Maria Hospital, Terni, Italy.
Carlo ContiDepartment of Neuroscience, Neurosurgery Unit, Santa Maria Hospital, Terni, Italy.
Vincenzo Nicola TalesaDepartment of Medicine and Surgery, University of Perugia, Perugia, Italy.
Rita RomaniDepartment of Medicine and Surgery, University of Perugia, Perugia, Italy.
Ilaria Bellezza *Department of Medicine and Surgery, University of Perugia, Perugia, Italy. ilaria.bellezza@unipg.it.
Valentina Grespi *Department of Neuroscience, Neurosurgery Unit, Santa Maria Hospital, Terni, Italy. v.grespi@aospterni.it.ORCID http://orcid.org/0000-0002-1439-5969

Funding

Fondazione Cassa di Risparmio di Terni e Narni BANDO 1/2023 Settore A
6 · The paper itself

Abstract

Human neural stem cells (hNSCs) are promising candidates for regenerative medicine due to their self-renewal capacity, differentiation potential, and ability to modulate inflammation. However, several reports showed that the regenerative properties of stem cells are tied to the extracellular vesicles (EVs) they secrete. This study aimed at characterizing hNSCs produced under Good Manufacturing Practice (GMP) conditions and at elucidating the molecular and functional properties of their secreted extracellular vesicles (hNSC-EVs). hNSCs were first assessed for proliferation, and differentiation potential, showing a stable growth profile and expression of neural stem cell markers. High-resolution proteomic analysis identified over 5000 proteins, with about 40% overlap with previous NSCs studies. hNSCs expressed mostly markers for different cell lineage precursors. The molecular characterization of hNSC-derived EVs (hNSC-EVs) showed a size distribution, as measured by nanoparticle tracking analysis, ranging from 140 to 200 nm and an enrichment in EV markers, detected by western blotting. Functional analyses showed that hNSC-EVs, reduce nitric oxide generation and inducible nitric oxide expression in LPS-treated microglial cells and inhibit caspase-1 activation in monocytic cell models through uptake-dependent and independent mechanism, respectively. Our findings show that hNSC possess a strong stemness signature and secrete EVs with immunomodulatory properties, suggesting the worth of hNSC-EVs as either alternative to cell-based therapies or primer to boost anti-inflammatory properties of hNSCs in the treatment of neurological disorders.

Indexed as

Extracellular VesiclesNeural Stem CellsCell DifferentiationCell ProliferationHumansLipopolysaccharidesMicrogliaNitric OxideProteomicsLipopolysaccharidesNitric OxideExtracellular vesiclesGood manufacturing practiceImmunomodulationNeural stem cellsProteomics

Identifiers

PMID41514432
PMCPMC12882627

What Socratic holds

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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 Socratic graph.