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Safety and Efficacy of Intravenous and Intrathecal Delivery of AAV9-Mediated ARSA in Minipigs

Int J Mol Sci .. 2023-05; 
Aysilu Mullagulova , Alisa Shaimardanova , Valeriya Solovyeva , Yana Mukhamedshina , Daria Chulpanova , Alexander Kostennikov, Shaza Issa, Albert Rizvanov
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Gene Synthesis Primers and probes specific to human ARSA were designed using the GenScript Online Real-time PCR (TaqMan) Primer Design Tool (GenScript, Piscataway, NJ, USA) and synthesized by Evrogen (Moscow,Russia). Get A Quote


Metachromatic leukodystrophy (MLD) is a hereditary neurodegenerative disease characterized by demyelination and motor and cognitive impairments due to deficiencies of the lysosomal enzyme arylsulfatase A (ARSA) or the saposin B activator protein (SapB). Current treatments are limited; however, gene therapy using adeno-associated virus (AAV) vectors for ARSA delivery has shown promising results. The main challenges for MLD gene therapy include optimizing the AAV dosage, selecting the most effective serotype, and determining the best route of administration for ARSA delivery into the central nervous system. This study aims to evaluate the safety and efficacy of AAV serotype 9 encoding ARSA (AAV9-ARSA) gene therap... More


adeno-associated virus; arylsulfatase A; central nervous system; gene therapy; metachromatic leukodystrophy; neurodegeneration; peripheral nervous system.