Evidence map›Paper›PMID 28918020›Full record

ArticleMolecular therapy. Nucleic acids2017

Rationally Engineered AAV Capsids Improve Transduction and Volumetric Spread in the CNS.

Nicholas M Kanaan, Rhyomi C Sellnow, Sanford L Boye, Ben Coberly, Antonette Bennett, Mavis Agbandje-McKenna, Caryl E Sortwell, William W Hauswirth, Shannon E Boye, Fredric P Manfredsson

Open access · goldAbstract read
In one paragraph

Article in Molecular therapy. Nucleic acids, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.

0numbers the graph read from it
0cells of the map it votes in
53citing papers in PubMed
6.4field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

53 citing papers in PubMed, 70 citations in OpenAlex.

  1. Review
  2. Article
  3. Tissue-specific gene delivery approaches.Bioengineering & translational medicine · 2026
    Review
  4. Article
  5. Article
  6. Article
  7. The amazing AAV capsids: Into the structure-verse.Molecular therapy. Methods & clinical development · 2025
    Review
  8. Review
  9. Disease-modifying, multidimensional efficacy of putaminal CaMolecular therapy : the journal of the American Society of Gene Therapy · 2025
    Article
  10. Article
  11. Article
  12. Recombinant adeno-associated virus as a delivery platform for ocular gene therapy: A comprehensive review.Molecular therapy : the journal of the American Society of Gene Therapy · 2024
    Review
  13. Review
  14. Molecular Engineering of Virus Tropism.International journal of molecular sciences · 2024
    Review
  15. Review
  16. Review
  17. Article
  18. Review
  19. Review
  20. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 1 country.

Nicholas M KanaanDepartment of Translational Science and Molecular Medicine, Michigan State University, Grand Rapids, MI 49503, USA; Mercy Health Saint Mary's, Grand Rapids, MI 49503, USA.
Rhyomi C SellnowDepartment of Translational Science and Molecular Medicine, Michigan State University, Grand Rapids, MI 49503, USA.
Sanford L BoyeDepartment of Ophthalmology, University of Florida, Gainesville, FL 32610, USA.
Ben CoberlyDepartment of Translational Science and Molecular Medicine, Michigan State University, Grand Rapids, MI 49503, USA; Neuroscience Program, Michigan State University, East Lansing, MI 48825, USA.
Antonette BennettDepartment of Biochemistry and Molecular Biology, The McKnight Brain Institute, College of Medicine, University of Florida, Gainesville, FL 32610, USA.
Mavis Agbandje-McKennaDepartment of Biochemistry and Molecular Biology, The McKnight Brain Institute, College of Medicine, University of Florida, Gainesville, FL 32610, USA.
Caryl E SortwellDepartment of Translational Science and Molecular Medicine, Michigan State University, Grand Rapids, MI 49503, USA; Mercy Health Saint Mary's, Grand Rapids, MI 49503, USA.
William W HauswirthDepartment of Ophthalmology, University of Florida, Gainesville, FL 32610, USA.
Shannon E BoyeDepartment of Ophthalmology, University of Florida, Gainesville, FL 32610, USA.
Fredric P ManfredssonDepartment of Translational Science and Molecular Medicine, Michigan State University, Grand Rapids, MI 49503, USA; Mercy Health Saint Mary's, Grand Rapids, MI 49503, USA. Electronic address: fredric.manfredsson@hc.msu.edu.
University of Florida · USMichigan State University · USMercy Health Saint Mary's · US

Funding

Engineering AAV for safe and efficient gene delivery to the human retinaR01EY024280 · NEI · UNIVERSITY OF FLORIDA · PI Shannon Elizabeth Boye · 2014 to 2026
$7.5M
Genetic Silencing of Striatal CaV1.3 Calcium Channels as a Potent Antidyskinetic Therapy for PDR01NS110398 · NINDS · MICHIGAN STATE UNIVERSITY · PI Jeffrey H Kordower, Fredric Manfredsson · 2018 to 2026
$5.3M
Vision Research CoreP30EY021721 · NEI · UNIVERSITY OF FLORIDA · PI HAUSWIRTH, WILLIAM W · 2011 to 2015
$2.8M
Tau-induced axonal degeneration in Alzheimer's disease and tauopathiesR01AG044372 · NIA · MICHIGAN STATE UNIVERSITY · PI KANAAN, NICHOLAS M · 2014 to 2018
$1.9M
Viral Vector Transduction Deficiencies in the Aged Nigrostriatal SystemR56AG052328 · NIA · MICHIGAN STATE UNIVERSITY · PI MANFREDSSON, FREDRIC, SORTWELL, CARYL E · 2016 to 2016
$578k
NEI NIH HHS P30 EY021721NEI NIH HHS R01 EY024280NIA NIH HHS R01 AG044372NIA NIH HHS R56 AG052328NINDS NIH HHS R01 NS110398
6 · The paper itself

Abstract

Adeno-associated virus (AAV) is the most common vector for clinical gene therapy of the CNS. This popularity originates from a high safety record and the longevity of transgene expression in neurons. Nevertheless, clinical efficacy for CNS indications is lacking, and one reason for this is the relatively limited spread and transduction efficacy in large regions of the human brain. Using rationally designed modifications of the capsid, novel AAV capsids have been generated that improve intracellular processing and result in increased transgene expression. Here, we sought to improve AAV-mediated neuronal transduction to minimize the existing limitations of CNS gene therapy. We investigated the efficacy of CNS transduction using a variety of tyrosine and threonine capsid mutants based on AAV2, AAV5, and AAV8 capsids, as well as AAV2 mutants incapable of binding heparan sulfate (HS). We found that mutating several tyrosine residues on the AAV2 capsid significantly enhanced neuronal transduction in the striatum and hippocampus, and the ablation of HS binding also increased the volumetric spread of the vector. Interestingly, the analogous tyrosine substitutions on AAV5 and AAV8 capsids did not improve the efficacy of these serotypes. Our results demonstrate that the efficacy of CNS gene transfer can be significantly improved with minor changes to the AAV capsid and that the effect is serotype specific.

Indexed as

AAVcapsidCNSmutant

Identifiers

PMID28918020
PMCPMC5503098
OpenAlexW2631870955

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.