Key result
TRPM4 gene variants are linked to early-onset pediatric arrhythmias, conduction disease, and reduced contractility.
Why the study?
Pathogenic variants in TRPM4 are associated with conduction disorders and arrhythmic syndromes in children and adolescents, prompting a synthesis of current knowledge and molecular mechanisms.
TRPM4 mutations in pediatric patients contribute to early-onset cardiac arrhythmias and transiently decreased left ventricular contractility, suggesting a role for TRPM4 in both cardiac conduction and myocardial adaptation to stress.
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May inform genetic panels for early-onset pediatric arrhythmias; leaves open prospective validation before clinical adoption.
Melnik et al. (2026) conducted a review in Pediatric arrhythmic syndromes and cardiac conduction disorders (n=2). TRPM4 gene variants was evaluated. TRPM4 gene variants are associated with early-onset pediatric arrhythmic syndromes, cardiac conduction abnormalities, and decreased myocardial contractility.
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