Cited by 72Virus-based gene therapy researchParkinson's Disease Mechanisms and TreatmentsRNA Interference and Gene Delivery

Transgene Expression, Bioactivity, and Safety of CERE-120 (AAV2-Neurturin) Following Delivery to the Monkey Striatum

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Herzog, Christopher D, Dass, Biplob, Gasmi, Mehdi, Bakay, Roy, Stansell, James E, Tuszynski, Mark, Bankiewicz, Krystof, Chen, Er-Yun +4 more·2008·Molecular Therapy

Abstract

Neurturin (NTN) is a neurotrophic factor for dopaminergic neurons that may be therapeutic for patients with Parkinson's disease (PD). As a crucial component in a series of nonclinical translational studies aimed at testing whether CERE-120 should advance into clinical trials in PD subjects, we characterized the expression, bioactivity and safety of CERE-120, an adeno-associated virus type-2 (AAV2) vector encoding NTN, following delivery to the striatum of nonhuman primates. Monkeys received bilateral injections of CERE-120 across a tenfold range of doses (6 x 10(10) to 6 x 10(11) vector genomes per animal) or formulation buffer (FB) control. We report here, for the first time, a dose-related: increase in NTN protein expression within the striatum and substantia nigra (SN) pars compacta of nonhuman primates; increase in nigrostriatal tyrosine hydroxylase (TH), (the rate-limited enzyme for dopamine); and activation of phosphorylated signal-regulated kinase (a common neurotrophic signaling event). Additionally, extensive toxicology testing revealed no adverse effects of CERE-120 on in-life measures, neurotoxicity (in any site throughout the brain) or systemic pathology (in any organ or tissue) across the tenfold range of doses. Collectively, these data provide substantial novel evidence for the potential utility of CERE-120 as a novel treatment for PD and support ongoing clinical trials testing CERE-120 in PD patients.

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Crossref · 10.1038/mt.2008.170

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  • Luxol Fast Blue and pSer-129 staining of rhesus macaques 3-months after receiving intrastriatal injections of AAV2-neurturin or stem cells, as well as untreated animals, displayed no demyelination or aggregated α-syn.

    “Luxol Fast Blue and pSer-129 staining of rhesus macaques 3-months after receiving intrastriatal injections of AAV2-neurturin [25] or stem cells, as well as untreated animals, displayed no demyelination or aggregated α-syn which supports the specificity of effects observed with Olig001-GFP and Olig001-α-syn.”

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Authors
Herzog, C. D., Dass, B., Gasmi, M., Bakay, R., Stansell, J. E., Tuszynski, M., Bankiewicz, K., Chen, E.-Y., Chu, Y., Bishop, K., Kordower, J. H., & Bartus, R. T.
Affiliations
  • Rush University Medical Center (US)
  • University of California San Diego (US)
  • University of California, San Francisco (US)
Corresponding author
Bartus, Raymond T
Venue
Molecular Therapy
Publisher
Elsevier BV
Published
2008-10
Volume
16
Issue
10
Pages
1737-1744
ISSN
1525-0016 (ISSN-L)
OpenAlex
W1995724825
Cited by
72
References
39
Citations by year
2024: 3 · 2021: 4 · 2020: 2 · 2019: 1 · 2018: 2 · 2017: 7 · 2016: 4 · 2015: 5 · 2014: 6 · 2013: 5 · 2012: 8
FWCI
4.56
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
Keywords
neurturin, AAV2 vector, Parkinson's disease, striatum, substantia nigra pars compacta, dopaminergic neurons, tyrosine hydroxylase, neurotoxicity, dose escalation
MeSH terms
Dependovirus, Animals, Corpus Striatum, Female, Genetic Vectors, Immunohistochemistry, Macaca fascicularis, Male, Phosphorylation, Tyrosine 3-Monooxygenase, Transgenes, Extracellular Signal-Regulated MAP Kinases, Neurturin

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