ArticleThe Journal of clinical investigation2020
A role for connexin-43 in Duchenne muscular dystrophy cardiomyopathy.
Article in The Journal of clinical investigation, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- The Double-Edged Effect of Connexins and Pannexins of Glial Cells in Central and Peripheral Nervous System After Nerve Injury.Molecular neurobiology · 2025Review
- A scalable, clinically severe pig model for Duchenne muscular dystrophy.Disease models & mechanisms · 2021Article
- Cellular pathology of the human heart in Duchenne muscular dystrophy (DMD): lessons learned from in vitro modeling.Pflugers Archiv : European journal of physiology · 2021Review
- Peptidic Connexin43 Therapeutics in Cardiac Reparative Medicine.Journal of cardiovascular development and disease · 2021Review
- "Betwixt Mine Eye and Heart a League Is Took": The Progress of Induced Pluripotent Stem-Cell-Based Models of Dystrophin-Associated Cardiomyopathy.International journal of molecular sciences · 2020Review
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2 authors.
Funding
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Abstract
The cardiomyopathy of Duchenne muscular dystrophy (DMD) is an important cause of morbidity and mortality in affected males with this dreaded muscle disease. Previous studies have implicated changes in expression and subcellular localization of connexin-43 (Cx43), the major ventricular gap junction protein, in DMD cardiomyopathy. In this issue of the JCI, Himelman et al. explore how hypophosphorylation of Cx43 at a triplet of serine residues (S325/S328/S330) in the regulatory C-terminus contributes to multiple features of the cardiomyopathy phenotype. Using a mouse model of DMD cardiomyopathy in which phosphomimetic glutamic acids are substituted for serines at these residues in Cx43, Himelman et al. observed reduced gap junction remodeling and lateralization of Cx43 immunosignals, protection against isoproterenol-induced arrhythmias, and improved Ca2+ homeostasis. This study contributes to the understanding of pathologic Cx43 remodeling and encourages further research into developing strategic interventions to mitigate cardiac dysfunction and arrhythmias in DMD patients.
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