Cited by 47Genetic Neurodegenerative DiseasesGenetics and Neurodevelopmental DisordersAmyotrophic Lateral Sclerosis Research

The striatal kinase DCLK3 produces neuroprotection against mutant huntingtin

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Galvan, Laurie, Francelle, Laetitia, Gaillard, Marie-Claude, de Longprez, Lucie, Carrillo-de Sauvage, Maria-Angeles, Liot, Géraldine, Cambon, Karine, Stimmer, Lev +20 more·2018·Brain

Abstract

The neurobiological functions of a number of kinases expressed in the brain are unknown. Here, we report new findings on DCLK3 (doublecortin like kinase 3), which is preferentially expressed in neurons in the striatum and dentate gyrus. Its function has never been investigated. DCLK3 expression is markedly reduced in Huntington's disease. Recent data obtained in studies related to cancer suggest DCLK3 could have an anti-apoptotic effect. Thus, we hypothesized that early loss of DCLK3 in Huntington's disease may render striatal neurons more susceptible to mutant huntingtin (mHtt). We discovered that DCLK3 silencing in the striatum of mice exacerbated the toxicity of an N-terminal fragment of mHtt. Conversely, overexpression of DCLK3 reduced neurodegeneration produced by mHtt. DCLK3 also produced beneficial effects on motor symptoms in a knock-in mouse model of Huntington's disease. Using different mutants of DCLK3, we found that the kinase activity of the protein plays a key role in neuroprotection. To investigate the potential mechanisms underlying DCLK3 effects, we studied the transcriptional changes produced by the kinase domain in human striatal neurons in culture. Results show that DCLK3 regulates in a kinase-dependent manner the expression of many genes involved in transcription regulation and nucleosome/chromatin remodelling. Consistent with this, histological evaluation showed DCLK3 is present in the nucleus of striatal neurons and, protein-protein interaction experiments suggested that the kinase domain interacts with zinc finger proteins, including the transcriptional activator adaptor TADA3, a core component of the Spt-ada-Gcn5 acetyltransferase (SAGA) complex which links histone acetylation to the transcription machinery. Our novel findings suggest that the presence of DCLK3 in striatal neurons may play a key role in transcription regulation and chromatin remodelling in these brain cells, and show that reduced expression of the kinase in Huntington's disease could render the striatum highly vulnerable to neurodegeneration.

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  • Genes where putatively causal eQTLs captured high FINEMAP posterior probability, greater than 95%, include ACE with schizophrenia under-expression, DCLK3 with under-expression, and SNAP91 with over-expression.

    “Genes where putatively causal eQTLs captured a particularly high FINEMAP PP (>95%) (Supplementary Table 17g) include ACE encoding angiotensin converting enzyme, the target of a major class of anti-hypertensive drugs (schizophrenia under-expression), DCLK3 encoding a neuroprotective kinase29(schizophrenia under-expression) and SNAP91 (discussed below; schizophrenia over-expression).”

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  1. Francelle L, Galvan L, Gaillard MC, Guillermier M, Houitte D, Bonvento G, Loss of the thyroid hormone-binding protein Crym renders striatal neurons more vulnerable to mutant huntingtin in Huntington's disease. Hum Mol Genet 2015b; 24: 1563– 73. 25398949 PMC4381754
  2. Francelle L, Galvan L, Gaillard MC, Petit F, Bernay B, Guillermier M, The striatal long noncoding RNA Abhd11os is neuroprotective against an N-terminal fragment of mutant huntingtin in vivo. Neurobiol Aging 2015d; 36: 1601.e7– 16. 25619660

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Authors
Galvan, L., Francelle, L., Gaillard, M.-C., de Longprez, L., Carrillo-de Sauvage, M.-A., Liot, G., Cambon, K., Stimmer, L., Luccantoni, S., Flament, J., Valette, J., de Chaldée, M., Auregan, G., Guillermier, M., Joséphine, C., Petit, F., Jan, C., Jarrige, M., Dufour, N., Bonvento, G., Humbert, S., Saudou, F., Hantraye, P., Merienne, K., Bemelmans, A.-P., Perrier, A. L., Déglon, N., & Brouillet, E.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • CEA, DRF, Institut François Jacob, Molecular Imaging Research Center (MIRCen), F-92265 Fontenay-aux-Roses, France
  • Inserm (FR)
  • Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay, 91191 Gif-sur-Yvette Cedex, France
  • CNRS/Strasbourg University UMR 7364, Laboratory of Adaptive and Cognitive Neuroscience (LNCA), Strasbourg F-67000, France
  • Centre Hospitalier Universitaire Vaudois (CH)
Corresponding author
Brouillet, Emmanuel
Venue
Brain
Published
2018-03-09
Volume
141
Issue
5
Pages
1434-1454
ISSN
  • 0006-8950 (ISSN-L)
  • 1460-2156
OpenAlex
W2790952913
Cited by
47
References
58
Citations by year
2026: 2 · 2025: 10 · 2023: 12 · 2022: 6 · 2021: 4 · 2020: 7 · 2019: 4 · 2018: 2
FWCI
1.94
Type
journal article
Language
en
Open access
Locations
  • Brain (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • SERVAL (Université de Lausanne) (publishedVersion, cc-by-nc)
  • HAL (submittedVersion, other-oa)
  • IRIS (submittedVersion, cc-by-nc)
  • HAL (submittedVersion)
Funders
Agence Nationale de la Recherche (ANR-17-CE12-0027, ANR-11-INBS, ANR-11-INBS-0011)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
Keywords
Huntington's disease, mutant huntingtin, neuroprotection, striatal neurons, kinase activity, transcriptional regulation, chromatin remodeling, SAGA complex, histone acetylation, zinc finger proteins, neurodegeneration, motor symptoms
MeSH terms
Huntingtin Protein, Doublecortin-Like Kinases, Animals, Cells, Cultured, Corpus Striatum, Electron Transport Complex IV, Disease Models, Animal, Huntington Disease, Macaca fascicularis, Male, Mice, Inbred C57BL, Mice, Transgenic, Motor Activity, Mutation, Neurons, Phosphopyruvate Hydratase, Transcription Factors, Trans-Activators, Down-Regulation, Protein Serine-Threonine Kinases, Hand Strength, RNA, Small Interfering, Mice

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