Contact lenses as novel tear fluid sampling vehicles for total RNA isolation, precipitation, and amplification.
Biomarkers
Contact lenses
Housekeeping genes
Ocular diseases
RNA
Tear fluid
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
22 May 2024
22 May 2024
Historique:
received:
08
03
2024
accepted:
14
05
2024
medline:
23
5
2024
pubmed:
23
5
2024
entrez:
22
5
2024
Statut:
epublish
Résumé
The tear fluid is a readily accessible, potential source for biomarkers of disease and could be used to monitor the ocular response to contact lens (CL) wear or ophthalmic pathologies treated by therapeutic CLs. However, the tear fluid remains largely unexplored as a biomarker source for RNA-based molecular analyses. Using a rabbit model, this study sought to determine whether RNA could be collected from commercial CLs and whether the duration of CL wear would impact RNA recovery. The results were referenced to standardized strips of filtered paper (e.g., Shirmer Strips) placed in the inferior fornix. By performing total RNA isolation, precipitation, and amplification with commercial kits and RT-PCR methods, CLs were found to have no significant differences in RNA concentration and purity compared to Schirmer Strips. The study also identified genes that could be used to normalize RNA levels between tear samples. Of the potential control genes or housekeeping genes, GAPDH was the most stable. This study, which to our knowledge has never been done before, provides a methodology for the detection of RNA and gene expression changes from tear fluid that could be used to monitor or study eye diseases.
Identifiants
pubmed: 38778161
doi: 10.1038/s41598-024-62215-8
pii: 10.1038/s41598-024-62215-8
doi:
Substances chimiques
RNA
63231-63-0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
11727Subventions
Organisme : Schepens Eye Research Institute Core Grant
ID : P30EY003790
Organisme : NIH HHS
ID : R01EY012963
Pays : United States
Informations de copyright
© 2024. The Author(s).
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