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Non-coding RNAs in saliva: emerging biomarkers for molecular diagnostics
Blanca Majem1, Marina Rigau2, Jaume Reventós3,4
1Research Unit in Biomedicine and Translational Oncology, Lab 209, Collserola Building, Vall Hebron Research Institute (VHIR) and University Hospital, Pg. Vall Hebron 119-129, 08035 Barcelona, Spain. blanca.majem@vhir.org.
International Journal of Molecular Sciences
|April 22, 2015
Summary
Saliva contains non-coding RNAs (ncRNAs) that can serve as biomarkers for diseases like cancer. Developing ncRNA-based saliva tests offers a non-invasive, cost-effective diagnostic approach for improved patient care.
Area of Science:
- Biochemistry
- Molecular Biology
- Genomics
Background:
- Saliva, a complex bodily fluid, contains molecules like proteins, DNA, and RNA originating from plasma.
- Studies indicate saliva's utility in diagnosing oral and systemic diseases, including cancer, often through mRNA and proteomic signatures.
- Non-coding RNAs (ncRNAs) are increasingly recognized for their regulatory roles in biological functions and disease, including oncogenesis.
Purpose of the Study:
- To review the current understanding of non-coding RNAs (ncRNAs) in human saliva.
- To explore the clinical implications of using ncRNAs in saliva as biological information.
- To highlight the potential of ncRNA profiles for non-invasive disease diagnostics.
Main Methods:
- Literature review of studies investigating ncRNAs in saliva.
- Analysis of ncRNA stability and potential as biomarkers compared to mRNA.
- Discussion of the clinical applicability and benefits of ncRNA-based salivary diagnostics.
Main Results:
- ncRNAs are stable in body fluids like saliva, unlike more degradable mRNAs.
- ncRNA profiles show promise as biomarkers for various diseases, including cancer.
- Saliva-based ncRNA detection offers a stable and reliable source of biological information.
Conclusions:
- ncRNAs in saliva represent a valuable, stable source of biomarkers for disease detection.
- Non-invasive salivary ncRNA tests could significantly reduce healthcare costs and improve patient outcomes.
- Further research into ncRNA profiles can advance non-invasive diagnostics and personalized medicine.
