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J. Cardiovasc. Dev. Dis. 2018, 5(4), 50;

Gene Therapy Approaches to Biological Pacemakers

Centre for Heart Research, the Westmead Institute for Medical Research, The University of Sydney, Sydney, NSW 2145, Australia
Sydney Medical School, The University of Sydney, Sydney, NSW 2006, Australia
Department of Cardiology, Westmead Hospital, Westmead, NSW 2145, Australia
Departments of Pediatrics and Biomedical Engineering, Emory University, Atlanta, GA 30322, USA
Author to whom correspondence should be addressed.
Received: 28 September 2018 / Revised: 16 October 2018 / Accepted: 17 October 2018 / Published: 19 October 2018
(This article belongs to the Special Issue Cardiaovascular Gene Therapy)
Full-Text   |   PDF [653 KB, uploaded 19 October 2018]   |  


Bradycardia arising from pacemaker dysfunction can be debilitating and life threatening. Electronic pacemakers serve as effective treatment options for pacemaker dysfunction. They however present their own limitations and complications. This has motivated research into discovering more effective and innovative ways to treat pacemaker dysfunction. Gene therapy is being explored for its potential to treat various cardiac conditions including cardiac arrhythmias. Gene transfer vectors with increasing transduction efficiency and biosafety have been developed and trialed for cardiovascular disease treatment. With an improved understanding of the molecular mechanisms driving pacemaker development, several gene therapy targets have been identified to generate the phenotypic changes required to correct pacemaker dysfunction. This review will discuss the gene therapy vectors in use today along with methods for their delivery. Furthermore, it will evaluate several gene therapy strategies attempting to restore biological pacing, having the potential to emerge as viable therapies for pacemaker dysfunction. View Full-Text
Keywords: atrioventricular node; bradycardia; gene therapy; heart; pacemaker; sinoatrial node; viral vector atrioventricular node; bradycardia; gene therapy; heart; pacemaker; sinoatrial node; viral vector

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Farraha, M.; Kumar, S.; Chong, J.; Cho, H.C.; Kizana, E. Gene Therapy Approaches to Biological Pacemakers. J. Cardiovasc. Dev. Dis. 2018, 5, 50.

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