Unraveling HCM Heterogeneity Using Circulating microRNAs | JACC Baran
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Unraveling HCM Heterogeneity Using Circulating microRNAs | JACC Baran
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Summary
Hosts Mitsuaki Sawano, MD, Shun Kohsaka, MD, and Nobuhiro Ikemura, MD welcome Dr. Yuichi J. Shimada (Columbia University) to discuss his ACC presentation on plasma microRNA profiling in hypertrophic cardiomyopathy (HCM). In this episode, we explore how transcriptomic analysis of 1,600+ circulating microRNAs in 280 patients identified three distinct molecular subtypes of HCM, each associated with different risks of major adverse cardiovascular events. Moving beyond traditional phenotyping, this work highlights the biological heterogeneity of HCM and the potential of molecular stratification to refine risk prediction and guide future therapies. From early ACC experiences to building a research career across the U.S., Dr. Shimada also shares insights into the evolving landscape of HCM—from current therapies to the future promise of gene-based approaches.