Nanotechnology Approaches for Intraprocedural Molecular Diagnostics
Abstract
Intraoperative and minimally invasive procedures are increasingly performed to generate molecular diagnostic information (e.g., to establish cancer subtype, phenotype, or treatment response) and enable molecular decision points (e.g., resection margin determination). Conventional analyses (e.g., immunohistopathology, flow cytometry, sequencing) remain time-consuming, thus precluding real-time analysis. Instead, a new generation of miniaturized point-of-care devices are poised to change the field. Based on advances in nanotechnology, microfluidics, miniaturization, and new chemistries, it has become possible to analyze cellular proteins, nucleic acids, and other biomarkers in short periods of time. Different platforms are actively being developed, each having unique strengths and weaknesses. To achieve widespread clinical adoption, successful platforms will need to offer providers rapid, inexpensive, and multiplex readouts while realizing the accuracy of conventional analyses. Here, we review recent advances in the nanotechnology field from our labs, which integrate accurate molecular diagnostics with the clinical workflow in standard of care or clinical trials.
Keywords
Cancer Diagnostics Profiling Nanotechnology Biopsies Circulating tumor cells Exosomes Nuclear magnetic resonance Surface plasmon resonanceNotes
Acknowledgments
We would like to acknowledge Drs. Arezou Ghazani, Jered Haun, Adeeti Ullal, and David Issadore, as well as many others, for their invaluable contributions to the optimization of the abovementioned POC technologies and in assay development over the years.
Disclosures
Ralph Weissleder is a founding member of T2 Biosystems.
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