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Cited by 185

The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.

C9orf72 expansion disrupts ATM-mediated chromosomal break repair

Open access
Walker, Callum, Herranz-Martin, Saul, Karyka, Evangelia, Liao, Chunyan, Lewis, Katherine, Elsayed, Waheba, Lukashchuk, Vera, Chiang, Shih-Chieh, Ray, Swagat, Mulcahy, Padraig J, Jurga, Mateusz, Tsagakis, Ioannis, Iannitti, Tommaso, Chandran, Jayanth, Coldicott, Ian, De Vos, Kurt J, Hassan, Mohamed K, Higginbottom, Adrian, Shaw, Pamela J, Hautbergue, Guillaume M, Azzouz, Mimoun, El-Khamisy, Sherif F·2017·Nature Neuroscience

Abstract

Hexanucleotide repeat expansions represent the most common genetic cause of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia, though the mechanisms by which such expansions cause neurodegeneration are poorly understood. We report elevated levels of DNA–RNA hybrids (R-loops) and double strand breaks in rat neurons, human cells and C9orf72 ALS patient spinal cord tissues. Accumulation of endogenous DNA damage is concomitant with defective ATM-mediated DNA repair signaling and accumulation of protein-linked DNA breaks. We reveal that defective ATM-mediated DNA repair is a consequence of P62 accumulation, which impairs H2A ubiquitylation and perturbs ATM signaling. Virus-mediated expression of C9orf72-related RNA and dipeptide repeats in the mouse central nervous system increases double strand breaks and ATM defects and triggers neurodegeneration. These findings identify R-loops, double strand breaks and defective ATM-mediated repair as pathological consequences of C9orf72 expansions and suggest that C9orf72-linked neurodegeneration is driven at least partly by genomic instability.

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Metadata

Authors
Walker, C., Herranz-Martin, S., Karyka, E., Liao, C., Lewis, K., Elsayed, W., Lukashchuk, V., Chiang, S.-C., Ray, S., Mulcahy, P. J., Jurga, M., Tsagakis, I., Iannitti, T., Chandran, J., Coldicott, I., De Vos, K. J., Hassan, M. K., Higginbottom, A., Shaw, P. J., Hautbergue, G. M., Azzouz, M., & El-Khamisy, S. F.
Venue
Nature Neuroscience
Published
2017-07-17
Volume
20
Issue
9
Pages
1225-1235
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2734373506
Cited by
185
References
13
FWCI
12.20
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: C9orf72 expansion disrupts ATM-mediated chromosomal break repair. https://app.cochat.ai/papers/10.1038/nn.4604
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Walker, C., Herranz-Martin, S., Karyka, E., Liao, C., Lewis, K., Elsayed, W., Lukashchuk, V., Chiang, S.-C., Ray, S., Mulcahy, P. J., Jurga, M., Tsagakis, I., Iannitti, T., Chandran, J., Coldicott, I., De Vos, K. J., Hassan, M. K., Higginbottom, A., Shaw, P. J., . . . El-Khamisy, S. F. (2017). C9orf72 expansion disrupts ATM-mediated chromosomal break repair. Nature Neuroscience. https://doi.org/10.1038/nn.4604

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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