Cited by 262Amyotrophic Lateral Sclerosis ResearchGenetic Neurodegenerative DiseasesAlzheimer's disease research and treatments

Drosophila screen connects nuclear transport genes to DPR pathology in c9ALS/FTD

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Boeynaems, Steven, Bogaert, Elke, Michiels, Emiel, Gijselinck, Ilse, Sieben, Anne, Jovičić, Ana, De Baets, Greet, Scheveneels, Wendy +12 more·2016·Scientific Reports

Abstract

Hexanucleotide repeat expansions in C9orf72 are the most common cause of amyotrophic lateral sclerosis (ALS) and frontotemporal degeneration (FTD) (c9ALS/FTD). Unconventional translation of these repeats produces dipeptide repeat proteins (DPRs) that may cause neurodegeneration. We performed a modifier screen in Drosophila and discovered a critical role for importins and exportins, Ran-GTP cycle regulators, nuclear pore components and arginine methylases in mediating DPR toxicity. These findings provide evidence for an important role for nucleocytoplasmic transport in the pathogenic mechanism of c9ALS/FTD.

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  • In automated primary neuron survival analyses, cell death was scored by criteria including rounding of the soma, loss of fluorescence, and degeneration of neuritic processes.

    “Custom Python scripts were used to track ROIs over time, and cell death marked a set of criteria that include rounding of the soma, loss of fluorescence and degeneration of neuritic processes (63, 64).”

    From Nemo-like kinase disrupts nuclear import and drives TDP43 mislocalization in ALS (2025) · cites this paper as [63]

    The Material & Methods sections on microscopy and cell culture describe fixed-cell imaging and HeLa and SH-SY5Y cultures, but do not describe automated primary-neuron survival analysis. Searches for soma rounding, fluorescence loss, neurite degeneration, and Python-based cell tracking found no cell-death scoring criteria in our copy; page numbers were unavailable. (LLM, conf=0.73)

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  1. Mizielinska, S. et al. C9orf72 repeat expansions cause neurodegeneration in Drosophila through arginine-rich proteins. Science 345, 1192–1194 (2014). · DOI · Paper page

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Authors
Boeynaems, S., Bogaert, E., Michiels, E., Gijselinck, I., Sieben, A., Jovičić, A., De Baets, G., Scheveneels, W., Steyaert, J., Cuijt, I., Verstrepen, K. J., Callaerts, P., Rousseau, F., Schymkowitz, J., Cruts, M., Van Broeckhoven, C., Van Damme, P., Gitler, A. D., Robberecht, W., & Van Den Bosch, L.
Affiliations
  • VIB-KU Leuven Center for Brain & Disease Research (BE)
  • University of Antwerp (BE)
  • Stanford Medicine (US)
  • KU Leuven (BE)
Venue
Scientific Reports
Published
2016-02-12
Volume
6
Issue
1
Pages
20877-20877
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2309375248
Cited by
262
References
30
Citations by year
2026: 6 · 2025: 6 · 2024: 14 · 2023: 25 · 2022: 15 · 2021: 47 · 2020: 37 · 2019: 29 · 2018: 40 · 2017: 27 · 2016: 16
FWCI
28.08
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Lirias (submittedVersion, cc-by)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion, cc-by)
Funders
  • Association Belge contre les Maladies Neuro-Musculaires
  • Johns Hopkins University
  • Target ALS
  • Belgian Federal Science Policy Office (P7/16)
  • Fonds Wetenschappelijk Onderzoek (G098314N)
  • KU Leuven
  • Onderzoeksraad, KU Leuven
  • Universiteit Antwerpen (FP7/2007-2013)
  • Vlaamse regering
  • Fondation pour la Recherche sur Alzheimer
  • National Institutes of Health (FP7/2007-2013)
  • National Institute of Neurological Disorders and Stroke (R01NS073660, R01NS065317)
  • FP7 Ideas: European Research Council (241426, 340429)
Topics
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
C9orf72, hexanucleotide repeat expansion, dipeptide repeat proteins, nuclear transport, importins, exportins, nuclear pore complex, modifier screen, Drosophila model, amyotrophic lateral sclerosis, frontotemporal lobar degeneration
MeSH terms
Amyotrophic Lateral Sclerosis, Animals, Arginine, Cell Nucleus, Dipeptides, Disease Models, Animal, Drosophila melanogaster, Eye, Genetic Testing, HeLa Cells, Humans, Methylation, Genes, Insect, Repetitive Sequences, Amino Acid, Active Transport, Cell Nucleus, RNA Interference, Frontotemporal Dementia

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