Lysosomes, the cell's 'recycling centers,' found to help control heart rhythm
Researchers have discovered that lysosomes, traditionally known as cellular recycling centers, play a critical role in regulating heart rhythm. By acting as signaling hubs, these structures help the heart's natural pacemaker respond to the body's need for increased heart rates.
Why it matters
This discovery provides new biological insights into heart rhythm disorders like atrial fibrillation, potentially opening doors for future medical treatments.
edited by Lisa Lock , reviewed by Andrew Zinin
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Add to Preferred Sources (Top) Representative images and zoomed-in insets of lysosomes (Ly), sarcoplasmic reticulum (SR arrow) and mitochondria (Mito) in patient with sinus rhythm. (Bottom) Representative images and zoomed-in insets of lysosomes (Ly), sarcoplasmic reticulum (SR arrow) and mitochondria (Mito) in patient with persistent atrial fibrillation. Credit: Cardiovascular Research (2026). DOI: 10.1093/cvr/cvag207 Scientists have discovered that lysosomes, structures traditionally viewed as the cell's recycling centers, also play a role in regulating the heart's natural rhythm. Researchers at the University of Liverpool and University of Oxford, working with national and international collaborators, found that lysosomes act as signaling centers in heart cells, helping the heart's natural pacemaker respond when the heart needs to beat faster.
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