Episode
Shana Kelley: Biosensors to Track Proteins and Inflammation in Our Blood in Real Time
- Podcast
- Ground Truths
- Published
- Sep 14, 2025
- Duration seconds
- 1877
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Summary
Prof Shana Kelley is the Neena Schwartz Professor of Chemistry and Biomedical Engineering at Northwestern University and President of the CZI Chicago Biohub, which brings together life scientists at Northwestern, University of Chicago, and U. Illinois Urbana Champaign. Her lab’s website provides recent publications in the 3 major areas of biomolecular sensors, rare and single cell analysis, and intracellular molecular delivery. You are undoubtedly familiar with wearable biosensors on the wrist and rings, and continuous glucose monitoring (CGM), all of which can transmit physiologic data in real time to your smartphone. What is different about Prof Kelley’s work is the ingenious way of continuously tracking any proteins in our blood via a sensor that could function just like CGM in the future (hair thin sensor applied just below the skin and data relayed to your smartphone). A proof-of-concept paper in Science showed how exquisitely sensitive such a sensor worked to track inflammation markers [interleukin-6 (IL-6) and tumor necrosis factor (TNF)] in the diabetic rat model. As seen. below, just the injection of insulin evoked inflammation, and introduction of lipopolysaccharide (LPS) did so markedly. This capability opens up the potential for monitoring body-wide inflammation in real time, but also extends to many other conditions such as autoimmune diseases, heart failure (e.g. continuous brain natriuetic peptide monitoring), and neurodegenerative diseases (with specific markers of neuroinflammation). This innovation represents a new dimension in individualized (precision) medicine. In our conversation, Shana takes us through the discovery of these unique bimolecular sensors that have no reagents, and use electricity to shake off the protein from DNA strands. And she ma…