The Science of Interdisciplinary Salivary Bioscience: History and Future Directions

Hamilton, KR et al. (2022) Biomark Med

ABSTRACT: Salivary bioscience is noteworthy in its history, as well as in the breadth and scope of its impact. The minimally invasive nature of sampling oral fluid allows for evaluation of individual and intra-individual change in biological processes in ways and settings not possible with traditional biospecimens. The range of measurements is expansive (e.g., DNA, hormones, cytokines, antibodies) and modern technologies enable simultaneous multisystem assessment from a singlet specimen. Used in combination with modern multivariate analytical models, the capacity to repeatedly assess multisystem and level measurements collected from the same individual over time enable operationalization, testing and refinement of complex biobehavioral models. This review describes the emerging narrative of salivary bioscience, and aims to inform and reveal opportunity for innovation and discovery.

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Keywords: Salivary bioscience, oral fluids, intra-individual change, interdisciplinary salivary bioscience, salivary biomarkers, minimally invasive, salivary testing integration