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Bs-452758-4 combined gene therapy approach targets parasympathetic signaling and oxidative stress to attenuate persistent atrial fibrillation development in a canine model
Atrial fibrillation (AF) is the most common arrhythmia, a major risk factor for stroke and is associated with substantial morbidity and mortality. Unfortunately, current pharmacological and interventional treatment approaches are suboptimal. Parasympathetic nervous system (PNS) activity upregulation and oxidative stress (OS), mainly generated by NADPH oxidase 2 (NOX2), have been shown as key players in AF induction and maintenance. A deeper understanding of these molecular mechanisms underlying AF and their interplay will be instrumental to the development of new, mechanism-targeted therapies for AF.
Source: Heart Rhythm - May 1, 2023 Category: Cardiology Authors: Aleksei Mikhailov, Azaria Panni, Anna Pfenniger, Shin Yoo, David Johnson, Wenwei Zhang, Markus Rottmann, William Marszalec, Asish Ghosh, Rod S. Passman, Bradley P. Knight, Rishi Arora Source Type: research

Po-626-03 preclinical safety of adkcnh2-g628s for post-op af
Post-operative atrial fibrillation (POAF) occurs in 30% of cardiac surgeries, increasing risk of stroke, MI, and death. We propose gene therapy with an adenovirus encoding the G628S mutation of KCNH2 (AdKCNH2-G628S) to prevent POAF. We have reported preclinical efficacy in pigs.
Source: Heart Rhythm - April 29, 2022 Category: Cardiology Authors: J. Kevin Donahue, David D. McManus Source Type: research