Evidence map›Paper›PMID 34423905›Full record

ArticleEMBO molecular medicine2021

Gene therapy in the putamen for curing AADC deficiency and Parkinson's disease.

Paul Wuh-Liang Hwu, Karl Kiening, Irina Anselm, David R Compton, Takeshi Nakajima, Thomas Opladen, Phillip L Pearl, Agathe Roubertie, Thomas Roujeau, Shin-Ichi Muramatsu

Open access · goldAbstract read
In one paragraph

Article in EMBO molecular medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 1 pooled it
2.7field-weighted citation impact, top 9% 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

23 citing papers in PubMed, 1 synthesis or guideline pooled it, 35 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Review
  5. Article
  6. Article
  7. Review
  8. Review
  9. Current clinical applications of AAV-mediated gene therapy.Molecular therapy : the journal of the American Society of Gene Therapy · 2025
    Review
  10. Article
  11. Review
  12. From lab bench to hope: a review of gene therapies in clinical trials for Parkinson's disease and challenges.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2024
    Review
  13. Article
  14. Patient selection considerations for AADC deficiency gene therapy.Annals of the Child Neurology Society · 2024
    Review
  15. Gene therapy for neurotransmitter-related disorders.Journal of inherited metabolic disease · 2024
    Review
  16. Review
  17. PET reporter systems for the brain.Trends in neurosciences · 2023
    Review
  18. Article
  19. Review
  20. Article
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 7 institutions in 5 countries.

Paul Wuh-Liang HwuDepartment of Medical Genetics and Pediatrics, National Taiwan University Hospital, Taipei, Taiwan.ORCID 0000-0001-6690-4879
Karl KieningDivision of Stereotactic Neurosurgery, Department of Neurosurgery, University of Heidelberg Medical Center, Heidelberg, Germany.
Irina AnselmDepartment of Neurology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.ORCID 0000-0003-2089-0699
David R ComptonPreclinical Development (Gene Therapy), PTC Therapeutics, South Plainfield, NJ, USA.ORCID 0000-0001-9669-1616
Takeshi NakajimaDepartment of Neurosurgery, Jichi Medical University, Tochigi, Japan.
Thomas OpladenDivision of Child Neurology and Metabolic Disorders, University Children's Hospital, Heidelberg, Germany.ORCID 0000-0003-4349-7662
Phillip L PearlEpilepsy and Clinical Neurophysiology, William G. Lennox Chair and Professor of Neurology, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA.ORCID 0000-0002-6373-1068
Agathe RoubertiePediatric Neurology Department, INM, INSERM, CHU Montpellier, University of Montpellier, Montpellier, France.ORCID 0000-0002-8180-4857
Thomas RoujeauDepartment of Neurosurgery, Gui-de-Chauliac Hospital, Montpellier University Hospital, Montpellier, France.
Shin-Ichi MuramatsuDivision of Neurological Gene Therapy, Jichi Medical University, Shimotsuke, Tochigi, Japan.ORCID 0000-0002-3185-7790
Boston Children's Hospital · USHeidelberg University · DEJichi Medical University · JPInserm · FRNational Taiwan University · TWPTC Therapeutics (United States) · USUniversité de Montpellier · FR

Funding

Genetic Analysis and Manipulation Core (GAEC)P50HD105351 · NICHD · BOSTON CHILDREN'S HOSPITAL · PI Hisashi Umemori · 2021 to 2026
$9.4M
NICHD NIH HHS P50 HD105351
6 · The paper itself

Abstract

This commentary provides an overview of the putamen as an established target site for gene therapy in treating aromatic l-amino acid decarboxylase (AADC) deficiency and Parkinson's disease, two debilitating neurological disorders that involve motor dysfunction caused by dopamine deficiencies. The neuroanatomy and the function of the putamen in motor control provide good rationales for targeting this brain structure. Additionally, the efficacy and safety of intraputaminal gene therapy demonstrate that restoration of dopamine synthesis in the putamen by using low doses of adeno-associated viral vector serotype 2 to deliver the hAADC gene is well tolerated. This restoration leads to sustained improvements in motor and nonmotor symptoms of AADC deficiency and improved uptake and conversion of exogenous l-DOPA into dopamine in Parkinson's patients.

Indexed as

Carboxy-LyasesParkinson DiseaseAromatic-L-Amino-Acid DecarboxylasesGenetic TherapyHumansPutamenAromatic-L-Amino-Acid DecarboxylasesCarboxy-LyasesAADC deficiencyaromatic l-amino acid decarboxylasedopaminegene therapyputamen

Identifiers

PMID34423905
PMCPMC8422070
OpenAlexW3193643359

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.