Cited by 127Alzheimer's disease research and treatmentsRNA Research and SplicingNeuroscience and Neuropharmacology Research

Therapeutic correction of ApoER2 splicing in Alzheimer's disease mice using antisense oligonucleotides

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Hinrich, Anthony J, Jodelka, Francine M, Chang, Jennifer L, Brutman, Daniella, Bruno, Angela M, Briggs, Clark A, James, Bryan D, Stutzmann, Grace E +5 more·2016·EMBO Molecular Medicine

Abstract

Apolipoprotein E receptor 2 (ApoER2) is an apolipoprotein E receptor involved in long‐term potentiation, learning, and memory. Given its role in cognition and its association with the Alzheimer's disease (AD) risk gene, apoE, ApoER2 has been proposed to be involved in AD, though a role for the receptor in the disease is not clear. ApoER2 signaling requires amino acids encoded by alternatively spliced exon 19. Here, we report that the balance of ApoER2 exon 19 splicing is deregulated in postmortem brain tissue from AD patients and in a transgenic mouse model of AD. To test the role of deregulated ApoER2 splicing in AD, we designed an antisense oligonucleotide (ASO) that increases exon 19 splicing. Treatment of AD mice with a single dose of ASO corrected ApoER2 splicing for up to 6 months and improved synaptic function and learning and memory. These results reveal an association between ApoER2 isoform expression and AD, and provide preclinical evidence for the utility of ASOs as a therapeutic approach to mitigate Alzheimer's disease symptoms by improving ApoER2 exon 19 splicing. ApoER2 splicing is deregulated in Alzheimer's disease (AD) patients and mouse models of AD. Correcting this splicing defect using antisense oligonucleotides (ASOs) improves synaptic function, learning, and memory in mice, suggesting ApoER2 ASOs as a promising therapeutic strategy against AD. ApoER2 splicing is deregulated in Alzheimer's disease (AD) patients and mouse models of AD. Correcting this splicing defect using antisense oligonucleotides (ASOs) improves synaptic function, learning and memory in mice, suggesting ApoER2 ASOs as a promising therapeutic strategy against AD.

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  • Alternative splicing deficits observed in both AD mice and human brains lead to reduced inclusion of the proline-rich cytoplasmic domain of ApoER2, which would reduce the ability of Reelin to modulate synaptic strength.

    “Furthermore, alternative splicing deficits observed in both AD mice and human brains leads to reduced inclusion of the proline-rich cytoplasmic domain of ApoER2 (91), which would reduce the ability of Reelin to modulate synaptic strength.”
  • Enhancing Reelin signaling by either exogenous supplementation of Reelin or reversing the ApoER2 splicing deficit with antisense oligonucleotides can improve the cognitive performance of AD mice.

    “Enhancing Reelin signaling by either exogenous supplementation of Reelin (95) or reversing the ApoER2 splicing deficit with antisense oligonucleotides (91) can improve the cognitive performance of AD mice in a murine model of AD.”

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Authors
Hinrich, A. J., Jodelka, F. M., Chang, J. L., Brutman, D., Bruno, A. M., Briggs, C. A., James, B. D., Stutzmann, G. E., Bennett, D. A., Miller, S. A., Rigo, F., Marr, R. A., & Hastings, M. L.
Affiliations
  • Rosalind Franklin University of Medicine and Science (US)
  • Lake Forest College (US)
  • Rush University Medical Center (US)
  • Ionis Pharmaceuticals (United States) (US)
Corresponding author
Hastings, Michelle L
Venue
EMBO Molecular Medicine
Published
2016-02-22
Volume
8
Issue
4
Pages
328-345
ISSN
  • 1757-4676 (ISSN-L)
  • 1757-4684
OpenAlex
W2285838982
Cited by
127
References
82
Citations by year
2026: 9 · 2025: 5 · 2024: 7 · 2023: 27 · 2022: 17 · 2021: 9 · 2020: 8 · 2019: 9 · 2018: 17 · 2017: 12 · 2016: 7
FWCI
11.98
Type
journal article
Language
en
Open access
Locations
  • EMBO Molecular Medicine (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • NIH (NS069759)
  • Midwest Proteome Center (S10 OD010662, P30AG10161, R01AG15819)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
ApoER2, Alzheimer's disease, alternative splicing, exon 19, antisense oligonucleotides, splicing correction, synaptic function, learning and memory, transgenic mouse model, apolipoprotein E receptor, gene therapy
MeSH terms
Alzheimer Disease, Animals, Brain, Disease Models, Animal, Humans, Learning, Memory, Mice, Transgenic, RNA Splicing, Oligonucleotides, Antisense, Treatment Outcome, LDL-Receptor Related Proteins, Mice

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