Single delivery of an adeno-associated viral construct to transfer the CASQ2 gene to knock-in mice affected by catecholaminergic polymorphic ventricular tachycardia is able to cure the disease from birth to advanced age
Background. Catecholaminergic polymorphic ventricular tachycardia is an inherited arrhythmogenic disorder characterized by sudden cardiac death in children. Drug therapy is still insufficient to provide full protection against cardiac arrest, and the use of implantable defibrillators in the pediatri...
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| Formato: | Articulo |
| Lenguaje: | Inglés |
| Publicado: |
2014
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| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/85144 |
| Aporte de: |
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I19-R120-10915-85144 |
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dspace |
| institution |
Universidad Nacional de La Plata |
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I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Inglés |
| topic |
Ciencias Médicas Arrhythmias cardiac Calsequestrin Death sudden Genetic therapy Recovery of function |
| spellingShingle |
Ciencias Médicas Arrhythmias cardiac Calsequestrin Death sudden Genetic therapy Recovery of function Denegri, Marco Bongianino, Rossana Lodola, Francesco Boncompagni, Simona De Giusti, Verónica Celeste Avelino Cruz, Jossé E. Liu, Nian Persampieri, Simone Curcio, Antonio Esposito, Francesca Pietrangelo, Laura Marty, Isabelle Villani, Laura Moyaho, Alejandro Baiardi, Paola Auricchio, Alberto Protasi, Feliciano Napolitano, Carlo Priori, Silvia G. Single delivery of an adeno-associated viral construct to transfer the CASQ2 gene to knock-in mice affected by catecholaminergic polymorphic ventricular tachycardia is able to cure the disease from birth to advanced age |
| topic_facet |
Ciencias Médicas Arrhythmias cardiac Calsequestrin Death sudden Genetic therapy Recovery of function |
| description |
Background. Catecholaminergic polymorphic ventricular tachycardia is an inherited arrhythmogenic disorder characterized by sudden cardiac death in children. Drug therapy is still insufficient to provide full protection against cardiac arrest, and the use of implantable defibrillators in the pediatric population is limited by side effects. There is therefore a need to explore the curative potential of gene therapy for this disease. We investigated the efficacy and durability of viral gene transfer of the calsequestrin 2 (<i>CASQ2</i>) wild-type gene in a catecholaminergic polymorphic ventricular tachycardia knock-in mouse model carrying the <i>CASQ2</i><SUP>R33Q/R33Q</SUP> (R33Q) mutation.
Methods and Results. We engineered an adeno-associated viral vector serotype 9 (AAV9) containing cDNA of <i>CASQ2</i>wild-type (AAV9-<i>CASQ2</i>) plus the <i>green fluorescent protein</i> (<i>GFP</i>) gene to infect newborn R33Q mice studied by in vivo and in vitro protocols at 6, 9, and 12 months to investigate the ability of the infection to prevent the disease and adult R33Q mice studied after 2 months to assess whether the AAV9-<i>CASQ2</i> delivery could revert the catecholaminergic polymorphic ventricular tachycardia phenotype. In both protocols, we observed the restoration of physiological expression and interaction of <i>CASQ2</i>, junctin, and triadin; the rescue of electrophysiological and ultrastructural abnormalities in calcium release units present in R33Q mice; and the lack of life-threatening arrhythmias.
Conclusions. Our data demonstrate that viral gene transfer of wild-type <i>CASQ2</i> into the heart of R33Q mice prevents and reverts severe manifestations of catecholaminergic polymorphic ventricular tachycardia and that this curative effect lasts for 1 year after a single injection of the vector, thus posing the rationale for the design of a clinical trial. |
| format |
Articulo Articulo |
| author |
Denegri, Marco Bongianino, Rossana Lodola, Francesco Boncompagni, Simona De Giusti, Verónica Celeste Avelino Cruz, Jossé E. Liu, Nian Persampieri, Simone Curcio, Antonio Esposito, Francesca Pietrangelo, Laura Marty, Isabelle Villani, Laura Moyaho, Alejandro Baiardi, Paola Auricchio, Alberto Protasi, Feliciano Napolitano, Carlo Priori, Silvia G. |
| author_facet |
Denegri, Marco Bongianino, Rossana Lodola, Francesco Boncompagni, Simona De Giusti, Verónica Celeste Avelino Cruz, Jossé E. Liu, Nian Persampieri, Simone Curcio, Antonio Esposito, Francesca Pietrangelo, Laura Marty, Isabelle Villani, Laura Moyaho, Alejandro Baiardi, Paola Auricchio, Alberto Protasi, Feliciano Napolitano, Carlo Priori, Silvia G. |
| author_sort |
Denegri, Marco |
| title |
Single delivery of an adeno-associated viral construct to transfer the CASQ2 gene to knock-in mice affected by catecholaminergic polymorphic ventricular tachycardia is able to cure the disease from birth to advanced age |
| title_short |
Single delivery of an adeno-associated viral construct to transfer the CASQ2 gene to knock-in mice affected by catecholaminergic polymorphic ventricular tachycardia is able to cure the disease from birth to advanced age |
| title_full |
Single delivery of an adeno-associated viral construct to transfer the CASQ2 gene to knock-in mice affected by catecholaminergic polymorphic ventricular tachycardia is able to cure the disease from birth to advanced age |
| title_fullStr |
Single delivery of an adeno-associated viral construct to transfer the CASQ2 gene to knock-in mice affected by catecholaminergic polymorphic ventricular tachycardia is able to cure the disease from birth to advanced age |
| title_full_unstemmed |
Single delivery of an adeno-associated viral construct to transfer the CASQ2 gene to knock-in mice affected by catecholaminergic polymorphic ventricular tachycardia is able to cure the disease from birth to advanced age |
| title_sort |
single delivery of an adeno-associated viral construct to transfer the casq2 gene to knock-in mice affected by catecholaminergic polymorphic ventricular tachycardia is able to cure the disease from birth to advanced age |
| publishDate |
2014 |
| url |
http://sedici.unlp.edu.ar/handle/10915/85144 |
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Repositorios |
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1764820489010675712 |