Cited by 16Extracellular vesicles in diseaseMicroRNA in disease regulationAlzheimer's disease research and treatments

miR-92a-3p and miR-320a are Upregulated in Plasma Neuron-Derived Extracellular Vesicles of Patients with Frontotemporal Dementia

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Manzini, Valeria, Cappelletti, Pamela, Orefice, Nicola S., Brentari, Ilaria, Rigby, Michael J., Lo Giudice, Maria, Feligioni, Marco, Rivabene, Roberto +8 more·2025·Molecular Neurobiology

Abstract

Despite the efforts to identify fluid biomarkers to improve diagnosis of Frontotemporal dementia (FTD), only a few candidates have been described in recent years. In a previous study, we identified three circulating miRNAs (miR-92a-3p, miR-320a and miR-320b) differentially expressed in FTD patients with respect to healthy controls and/or Alzheimer’s disease (AD) patients. Now, we investigated whether those changes could be due to miRNAs contained in neuron-derived extracellular vesicles (NDEVs). We also evaluated miRNAs content in total plasma EVs and in CSF samples. The analysis of plasma NDEVs carried out on 40 subjects including controls (n = 13), FTD (n = 13) and AD (n = 14) patients, showed that both miR-92a-3p and miR-320a levels were triplicated in the FTD group if compared with CT and AD patients. Increased levels of the same miRNAs were found also in CSF derived from FTD group compared to CTs. No differences were observed in expression levels of miR-320b among the three groups. Worthy of note, all miRNAs analysed were increased in an FTD cell model, MAPT IVS10 + 16 neurons. Our results suggest that miR-92a and miR-320a in NDEVs could be proposed as FTD biomarkers.

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Authors
Manzini, V., Cappelletti, P., Orefice, N. S., Brentari, I., Rigby, M. J., Lo Giudice, M., Feligioni, M., Rivabene, R., Crestini, A., Manfredi, F., Talarico, G., Bruno, G., Corbo, M., Puglielli, L., Denti, M. A., & Piscopo, P.
Affiliations
  • Istituto Superiore di Sanità (IT)
  • Northwestern University (US)
  • University of Trento (IT)
  • Mayo Clinic (US)
  • European Brain Research Institute (IT)
  • Sapienza University of Rome (IT)
  • University of Wisconsin–Madison (US)
Corresponding author
  • Denti, Michela A.
  • Piscopo, Paola
Venue
Molecular Neurobiology
Published
2024-08-14
Volume
62
Issue
2
Pages
2573-2586
ISSN
  • 0893-7648 (ISSN-L)
  • 1559-1182
OpenAlex
W4401556606
Cited by
16
References
71
Citations by year
2026: 10 · 2025: 6
FWCI
1.89
Type
journal article
Language
en
Open access
Locations
  • Molecular Neurobiology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion, cc-by)
  • Iris (University of Trento) (submittedVersion, cc-by)
Funders
  • Fondazione Valorizzazione Ricerca Trentina; University of Trento (AB32 CUP I85H20000200005)
  • Istituto Superiore di Sanità (BFC1)
  • Università degli Studi di Trento
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
frontotemporal dementia, miR-92a-3p, miR-320a, miR-320b, circulating microRNAs, neuron-derived extracellular vesicles, plasma biomarkers, cerebrospinal fluid, Alzheimer's disease, liquid biopsy
MeSH terms
Extracellular Vesicles, Aged, Alzheimer Disease, Female, Humans, Male, Middle Aged, Neurons, Biomarkers, Up-Regulation, MicroRNAs, Frontotemporal Dementia

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