Obtaining miRNA from Saliva-Comparison of Sampling and Purification Methods
Urbizu, Aintzane (Institut Germans Trias i Pujol. Hospital Universitari Germans Trias i Pujol)
Arnaldo, Laura (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular)
Beyer, Katrin (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular)

Date:	2023
Abstract:	The use of saliva as a biomarker source has advantages over other biofluids and imaging techniques, and miRNAs are ideal biomarker candidates. They are involved in numerous cellular processes, and their altered expression suggests that miRNAs play a crucial regulatory role in disease development. We wanted to find an easily reproducible and executable miRNA-obtaining methodology suitable for quantification. Three commercial miRNA extraction kits (mirVana, Nucleospin and miRNeasy) and three saliva collectors (50 mL tubes, Salimetrics and Oragene) were tested. Several features, including RNA quality and technical parameters, were evaluated. The expression of five synthetic spike-in controls and seven saliva-miRNAs was analyzed independently and grouped by the collectors and the extraction kits. The combination of Oragene and miRNeasy assured the most sensitive detection of all seven saliva miRNAs. Testing different combinations of saliva collectors and RNA purification kits permitted the establishment of combinations for different uses. The results of our study highlight that optimization of resources for biomarker studies is possible after careful planning of each study.
Grants:	Instituto de Salud Carlos III PI18/00276 Instituto de Salud Carlos III PI21/00833
Rights:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Language:	Anglès
Document:	Article ; recerca ; Versió publicada
Subject:	Mirnas ; Saliva biomarker ; Purification methods ; Mirna quantification
Published in:	International journal of molecular sciences, Vol. 24 (january 2023) , ISSN 1422-0067

DOI: 10.3390/ijms24032386
PMID: 36768706

20 p, 2.2 MB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (research output) > Health sciences and biosciences > Institut d'Investigació en Ciencies de la Salut Germans Trias i Pujol (IGTP)
Articles > Research articles
Articles > Published articles