Advancing Extracellular RNA (exRNA) Communication Research: Improved Isolation and Analysis of exRNA-Carrier Subclasses (UG3/UH3 Clinical Trial Not Allowed)

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Circulating extracellular RNAs (exRNAs) can act as endocrine signaling molecules, both locally and systemically, representing a novel paradigm in intercellular communication. ExRNAs are transported in body fluids in association with a variety of carrier vehicles of varying complexity including extracellular vesicles (EVs), ribonucleoproteins (RNPs), and lipoproteins (LPPs). These distinct carriers protect exRNAs from degradation and are thought to contribute to the biodistribution, uptake, and functional impact of exRNAs in target cells. The overarching goal of this Funding Opportunity Announcement (FOA) is to develop and evaluate innovative separation tools, technologies, and approaches that will enable the scientific community to rapidly and reproducibly sort complex biofluids into homogenous carrier populations of EVs, (including EV subsets), RNPs, and LPPs, and that also support high-throughput isolation and analysis of their extracellular RNA content and associated molecular cargo.

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