Cited by 668RNA Interference and Gene DeliveryCRISPR and Genetic EngineeringVirus-based gene therapy research

Engineered Virus-like Particles for Efficient in Vivo Delivery of Therapeutic Proteins

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Banskota, Samagya, Raguram, Aditya, Suh, Susie, Du, Samuel W., Davis, Jessie R., Choi, Elliot H., Wang, Xiao, Nielsen, Sarah C. +6 more·2022·Cell

Abstract

Methods to deliver gene editing agents in vivo as ribonucleoproteins could offer safety advantages over nucleic acid delivery approaches. We report the development and application of engineered DNA-free virus-like particles (eVLPs) that efficiently package and deliver base editor or Cas9 ribonucleoproteins. By engineering VLPs to overcome cargo packaging, release, and localization bottlenecks, we developed fourth-generation eVLPs that mediate efficient base editing in several primary mouse and human cell types. Using different glycoproteins in eVLPs alters their cellular tropism. Single injections of eVLPs into mice support therapeutic levels of base editing in multiple tissues, reducing serum Pcsk9 levels 78% following 63% liver editing, and partially restoring visual function in a mouse model of genetic blindness. In vitro and in vivo off-target editing from eVLPs was virtually undetected, an improvement over AAV or plasmid delivery. These results establish eVLPs as promising vehicles for therapeutic macromolecule delivery that combine key advantages of both viral and nonviral delivery.

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Authors
Banskota, S., Raguram, A., Suh, S., Du, S. W., Davis, J. R., Choi, E. H., Wang, X., Nielsen, S. C., Newby, G. A., Randolph, P. B., Osborn, M. J., Musunuru, K., Palczewski, K., & Liu, D. R.
Affiliations
  • Broad Institute (US)
  • University of California, Irvine (US)
  • University of Pennsylvania (US)
  • University of Minnesota (US)
Corresponding author
Liu, David R.
Venue
Cell
Publisher
Elsevier BV
Published
2022-01
Volume
185
Issue
2
Pages
250-265.e16
ISSN
0092-8674 (ISSN-L)
OpenAlex
W4206390074
Cited by
668
References
92
Citations by year
2026: 162 · 2025: 158 · 2024: 129 · 2023: 137 · 2022: 81 · 2012: 1
FWCI
41.23
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
Funders
  • NIH (RM1HG009490, U01AI142756, UG3AI150551, R35GM118062, R01EY009339)
  • National Science Foundation (T32EY024236, F30EY029136, T32GM007250, T32GM008620)
  • Bill & Melinda Gates Foundation
  • Helen Hay Whitney Foundation
  • Howard Hughes Medical Institute (T32GM095450)
  • Broad Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
Keywords
base editing, Cas9 ribonucleoprotein, cell tropism, PCSK9, off-target editing, non-viral vectors
MeSH terms
Proprotein Convertase 9, Gene Editing, Animals, Base Sequence, Blindness, Brain, Disease Models, Animal, DNA, Fibroblasts, Genetic Engineering, Humans, Liver, Mice, Inbred C57BL, Proteins, Retroviridae, Virion, Vision, Ocular, Drug Delivery Systems, Mice, Retinal Pigment Epithelium, HEK293 Cells

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