Cited by 21Multiple Sclerosis Research StudiesPlatelet Disorders and TreatmentsExtracellular vesicles in disease

Blood platelet RNA enables the detection of multiple sclerosis

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Sol, Nik, Leurs, Cyra E, Veld, Sjors GJG In ’t, Strijbis, Eva M, Vancura, Adrienne, Schweiger, Markus W, Teunissen, Charlotte E, Mateen, Farrah J +4 more·2020·Multiple Sclerosis Journal - Experimental, Translational and Clinical

Abstract

Background: In multiple sclerosis (MS), clinical assessment, MRI and cerebrospinal fluid are important in the diagnostic process. However, no blood biomarker has been confirmed as a useful tool in the diagnostic work-up. Objectives: Blood platelets contain a rich spliced mRNA repertoire that can alter during megakaryocyte development but also during platelet formation and platelet circulation. In this proof of concept study, we evaluate the diagnostic potential of spliced blood platelet RNA for the detection of MS. Methods: We isolated and sequenced platelet RNA of blood samples obtained from 57 MS patients and 66 age- and gender-matched healthy controls (HCs). 60% was used to develop a particle swarm-optimized (PSO) support vector machine classification algorithm. The remaining 40% served as an independent validation series. Results: In total, 1249 RNAs with differential spliced junction expression levels were identified between platelets of MS patients as compared to HCs, including EPSTI1, IFI6, and RPS6KA3, in line with reported inflammatory signatures in the blood of MS patients. The RNAs were subsequently used as input for a MS classifier, capable of detecting MS with 80% accuracy in the independent validation series. Conclusions: Spliced platelet RNA may enable the blood-based diagnosis of MS, warranting large-scale validation.

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Authors
Sol, N., Leurs, C. E., Veld, S. G. I. ’., Strijbis, E. M., Vancura, A., Schweiger, M. W., Teunissen, C. E., Mateen, F. J., Tannous, B. A., Best, M. G., Würdinger, T., & Killestein, J.
Affiliations
  • Amsterdam University Medical Centers (NL)
  • Brain Tumor Center Amsterdam, Amsterdam UMC, VU University Medical Center, Amsterdam, the Netherlands
  • Harvard University (US)
  • Amsterdam Neuroscience (NL)
Venue
Multiple Sclerosis Journal - Experimental, Translational and Clinical
Published
2020-07
Volume
6
Issue
3
Pages
2055217320946784-2055217320946784
ISSN
2055-2173 (ISSN-L)
OpenAlex
W3046137862
Cited by
21
References
20
Citations by year
2025: 2 · 2024: 3 · 2023: 2 · 2022: 10 · 2021: 3 · 2020: 1
FWCI
2.63
Type
journal article
Language
en
Open access
Locations
  • Multiple Sclerosis Journal - Experimental Translational and Clinical (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Pure Amsterdam UMC (submittedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
Funders
  • stichting STOPhersentumoren.nl
  • KWF Kankerbestrijding
  • European research council (336540, 713727)
  • Stichting MS Research
  • Dutch organisation of scientific research (91711366)
Topics
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
  • Health Sciences › Medicine › Hematology › Platelet Disorders and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
Keywords
multiple sclerosis, platelet RNA, spliced mRNA, blood-based diagnosis, blood biomarkers, particle swarm optimization, support vector machine classification, EPSTI1, IFI6, RPS6KA3, inflammatory signature, megakaryocyte development

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