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Brain Commun. 2020 Aug 21;2(2):fcaa133. doi: 10.1093/braincomms/fcaa133. eCollection 2020.

Haploinsufficiency of TANK-binding kinase 1 prepones age-associated neuroinflammatory changes without causing motor neuron degeneration in aged mice.

Brain communications

Clara Bruno, Kirsten Sieverding, Axel Freischmidt, Takashi Satoh, Paul Walther, B Mayer, Albert C Ludolph, Shizuo Akira, Deniz Yilmazer-Hanke, Karin M Danzer, Christian S Lobsiger, David Brenner, Jochen H Weishaupt

Affiliations

  1. Department of Neurology, University of Ulm, 89081 Ulm, Germany.
  2. Department of Host Defense, Research Institute for Microbial Diseases, Osaka University, Osaka 565-0871, Japan.
  3. Central Facility for Electron Microscopy, University of Ulm, 89081 Ulm, Germany.
  4. Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany.
  5. Department of Neurology, Clinical Neuroanatomy, Neurology, University of Ulm, 89081 Ulm, Germany.
  6. Institut du Cerveau et de la Moelle Épinière, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Sorbonne Université, 75013 Paris, France.
  7. Division of Neurodegenerative Disorders, Department of Neurology, Medical Faculty Mannheim, Mannheim Center for Translational Neurosciences, Heidelberg University, 61867 Mannheim, Germany.

PMID: 33005894 PMCID: PMC7519725 DOI: 10.1093/braincomms/fcaa133

Abstract

Loss-of-function mutations in TANK-binding kinase 1 cause genetic amyotrophic lateral sclerosis and frontotemporal dementia. Consistent with incomplete penetrance in humans, haploinsufficiency of TANK-binding kinase 1 did not cause motor symptoms in mice up to 7 months of age in a previous study. Ageing is the strongest risk factor for neurodegenerative diseases. Hypothesizing that age-dependent processes together with haploinsufficiency of TANK-binding kinase 1 could create a double hit situation that may trigger neurodegeneration, we examined mice with hemizygous deletion of

© The Author(s) (2020). Published by Oxford University Press on behalf of the Guarantors of Brain.

Keywords: ALS; TBK1; ageing; inflammation; neurogenetics

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