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Percutaneous Sampling of Local Biomolecule Gradients Across Coronary Artery Atherosclerotic Plaques

20 Dec 2017

A percutaneous catheter device, the Liquid Biopsy System, was developed to sample the unstirred boundary layer of blood upstream and downstream of intact and disrupted human coronary atherosclerotic plaques. Using multiplexed proximity extension assays, release of 20 biomolecules was simultaneously detected in samples taken across plaques before balloon angioplasty, including the soluble form of the endothelial lectin-like oxidized LDL receptor. Additional biomolecules, including matrix metalloproteinase-12, were released after plaque disruption with angioplasty. These experiments demonstrate the power of the Liquid Biopsy System to yield new scientific insights and its ultimate potential to generate new biomarkers and surrogate endpoints for clinical trials.

2016 Euro PCR Liquid Biopsy System Proof of Concept Presentation

06 Jul 2016

2016 TCT Conference PlaqueTec Abstract

06 Oct 2016

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