Cited by 32Virus-based gene therapy researchRNA Interference and Gene DeliveryNeurogenetic and Muscular Disorders Research

Intramuscular Delivery of Gene Therapy for Targeting the Nervous System

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Tosolini, Andrew P., Sleigh, James N.·2020·Frontiers in Molecular Neuroscience

Abstract

Virus-mediated gene therapy has the potential to deliver exogenous genetic material into specific cell types to promote survival and counteract disease. This is particularly enticing for neuronal conditions, as the nervous system is renowned for its intransigence to therapeutic targeting. Administration of gene therapy viruses into skeletal muscle, where distal terminals of motor and sensory neurons reside, has been shown to result in extensive transduction of cells within the spinal cord, brainstem, and sensory ganglia. This route is minimally invasive and therefore clinically relevant for gene therapy targeting to peripheral nerve soma. For successful transgene expression, viruses administered into muscle must undergo a series of processes, including host cell interaction and internalization, intracellular sorting, long-range retrograde axonal transport, endosomal liberation, and nuclear import. In this review article, we outline key characteristics of major gene therapy viruses-adenovirus, adeno-associated virus (AAV), and lentivirus-and summarize the mechanisms regulating important steps in the virus journey from binding at peripheral nerve terminals to nuclear delivery. Additionally, we describe how neuropathology can negatively influence these pathways, and conclude by discussing opportunities to optimize the intramuscular administration route to maximize gene delivery and thus therapeutic potential.

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Crossref · 10.3389/fnmol.2020.00129

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Authors
Tosolini, A. P., & Sleigh, J. N.
Affiliations
  • UCL Queen Square Institute of Neurology (GB)
  • UK Dementia Research Institute (GB)
Corresponding author
  • Tosolini, Andrew P.
  • Sleigh, James N.
Venue
Frontiers in Molecular Neuroscience
Published
2020-07-17
Volume
13
Pages
129-129
ISSN
1662-5099 (ISSN-L)
OpenAlex
W3043715250
Cited by
32
References
205
Citations by year
2026: 4 · 2025: 4 · 2024: 5 · 2023: 8 · 2022: 5 · 2021: 6
FWCI
2.79
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Molecular Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • Wellcome Trust (107116/Z/15/Z)
  • Medical Research Council (MR/S006990/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Health Sciences › Medicine › Genetics › Neurogenetic and Muscular Disorders Research
Keywords
intramuscular gene delivery, gene therapy vectors, retrograde axonal transport, peripheral nerve terminals, motor neurons, sensory neurons, adeno-associated virus, adenovirus, lentivirus, viral transduction, endosomal escape, nuclear import, neuropathology

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