Abstract
Salivary biomarkers for disease detection, diagnostic and prognostic assessments have become increasingly well established in recent years. In this chapter we explain the current leading technology that has been used to characterize salivary non-coding RNAs (ncRNAs) from the extracellular RNA (exRNA) fraction: HiSeq from Illumina® platform for RNA sequencing. Therefore, the chapter is divided into two main sections regarding the type of the library constructed (small and long ncRNA libraries), from saliva collection, RNA extraction and quantification to cDNA library generation and corresponding QCs. Using these invaluable technical tools, one can identify thousands of ncRNA species in saliva. These methods indicate that salivary exRNA provides an efficient medium for biomarker discovery of oral and systemic diseases.
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Acknowledgments
This work was supported by National Institutes of Health grant (UH2/UH3 TR000923). We thank Kai Kao, Leo lee, and Hui Zhou for technical suggestions.
Conflict of Interests
David Wong is cofounder of RNAmeTRIX Inc., a molecular diagnostic company. He holds equity in RNAmeTRIX, and serves as Scientific Advisor. The University of California also holds equity in RNAmeTRIX. Intellectual property that David Wong invented and which was patented by the University of California has been licensed to RNAmeTRIX.
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Majem, B., Li, F., Sun, J., Wong, D.T.W. (2017). RNA Sequencing Analysis of Salivary Extracellular RNA. In: Seymour, G., Cullinan, M., Heng, N. (eds) Oral Biology. Methods in Molecular Biology, vol 1537. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-6685-1_2
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DOI: https://doi.org/10.1007/978-1-4939-6685-1_2
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