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Potential of Non-Coding RNA as Biomarkers for Progressive Supranuclear Palsy.

Published version
Peer-reviewed

Change log

Authors

Peters, Oliver 
Schneider, Luisa-Sophie  ORCID logo  https://orcid.org/0000-0001-5822-1744
Priller, Josef 

Abstract

Objective markers for the neurodegenerative disorder progressive supranuclear palsy (PSP) are needed to provide a timely diagnosis with greater certainty. Non-coding RNA (ncRNA), including microRNA, piwi-interacting RNA, and transfer RNA, are good candidate markers in other neurodegenerative diseases, but have not been investigated in PSP. Therefore, as proof of principle, we sought to identify whether they were dysregulated in matched serum and cerebrospinal fluid (CSF) samples of patients with PSP. Small RNA-seq was undertaken on serum and CSF samples from healthy controls (n = 20) and patients with PSP (n = 31) in two cohorts, with reverse transcription-quantitative PCR (RT-qPCR) to confirm their dysregulation. Using RT-qPCR, we found in serum significant down-regulation in hsa-miR-92a-3p, hsa-miR-626, hsa-piR-31068, and tRNA-ValCAC. In CSF, both hsa-let-7a-5p and hsa-piR-31068 showed significant up-regulation, consistent with their changes observed in the RNA-seq results. Interestingly, we saw no correlation in the expression of hsa-piR-31068 within our matched serum and CSF samples, suggesting there is no common dysregulatory mechanism between the two biofluids. While these changes were in a small cohort of samples, we have provided novel evidence that ncRNA in biofluids could be possible diagnostic biomarkers for PSP and further work will help to expand this potential.

Description

Peer reviewed: True


Funder: My Name’5 Doddie Foundation


Funder: Marion Brownridge


Funder: PSP Association


Funder: National Institute for Health Research (NIHR) UCLH Clinical Research Facility, UCL Movement Disorders Centre and UCLH Biomedical Research Centre


Funder: Cambridge Centre for Parkinson-plus

Keywords

Article, progressive supranuclear palsy, PSP, biomarker, non-coding RNA, RNA-seq

Journal Title

Int J Mol Sci

Conference Name

Journal ISSN

1661-6596
1422-0067

Volume Title

Publisher

MDPI AG
Sponsorship
National Institute for Health Research (IS-BRC-1215-20014)
PSP Association (unknown)
Cambridge University Hospitals NHS Foundation Trust (CUH) (146281)
PSP Association (unknown)