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Verma H, Kaur S, Kaur S, Gangwar P, Dhiman M, Mantha AK. Role of Cytoskeletal Elements in Regulation of Synaptic Functions: Implications Toward Alzheimer's Disease and Phytochemicals-Based Interventions. Mol Neurobiol 2024; 61:8320-8343. [PMID: 38491338 DOI: 10.1007/s12035-024-04053-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 02/13/2024] [Indexed: 03/18/2024]
Abstract
Alzheimer's disease (AD), a multifactorial disease, is characterized by the accumulation of neurofibrillary tangles (NFTs) and amyloid beta (Aβ) plaques. AD is triggered via several factors like alteration in cytoskeletal proteins, a mutation in presenilin 1 (PSEN1), presenilin 2 (PSEN2), amyloid precursor protein (APP), and post-translational modifications (PTMs) in the cytoskeletal elements. Owing to the major structural and functional role of cytoskeletal elements, like the organization of axon initial segmentation, dendritic spines, synaptic regulation, and delivery of cargo at the synapse; modulation of these elements plays an important role in AD pathogenesis; like Tau is a microtubule-associated protein that stabilizes the microtubules, and it also causes inhibition of nucleo-cytoplasmic transportation by disrupting the integrity of nuclear pore complex. One of the major cytoskeletal elements, actin and its dynamics, regulate the dendritic spine structure and functions; impairments have been documented towards learning and memory defects. The second major constituent of these cytoskeletal elements, microtubules, are necessary for the delivery of the cargo, like ion channels and receptors at the synaptic membranes, whereas actin-binding protein, i.e., Cofilin's activation form rod-like structures, is involved in the formation of paired helical filaments (PHFs) observed in AD. Also, the glial cells rely on their cytoskeleton to maintain synaptic functionality. Thus, making cytoskeletal elements and their regulation in synaptic structure and function as an important aspect to be focused for better management and targeting AD pathology. This review advocates exploring phytochemicals and Ayurvedic plant extracts against AD by elucidating their neuroprotective mechanisms involving cytoskeletal modulation and enhancing synaptic plasticity. However, challenges include their limited bioavailability due to the poor solubility and the limited potential to cross the blood-brain barrier (BBB), emphasizing the need for targeted strategies to improve therapeutic efficacy.
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Affiliation(s)
- Harkomal Verma
- Department of Zoology, School of Basic Sciences, Central University of Punjab, Village Ghudda, VPO - Ghudda, Bathinda, 151 401, Punjab, India
| | - Sharanjot Kaur
- Department of Microbiology, School of Basic Sciences, Central University of Punjab, Village Ghudda, Bathinda, Punjab, India
| | - Sukhchain Kaur
- Department of Microbiology, School of Basic Sciences, Central University of Punjab, Village Ghudda, Bathinda, Punjab, India
| | - Prabhakar Gangwar
- Department of Zoology, School of Basic Sciences, Central University of Punjab, Village Ghudda, VPO - Ghudda, Bathinda, 151 401, Punjab, India
| | - Monisha Dhiman
- Department of Microbiology, School of Basic Sciences, Central University of Punjab, Village Ghudda, Bathinda, Punjab, India
| | - Anil Kumar Mantha
- Department of Zoology, School of Basic Sciences, Central University of Punjab, Village Ghudda, VPO - Ghudda, Bathinda, 151 401, Punjab, India.
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2
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Herwerth M, Wyss MT, Schmid NB, Condrau J, Ravotto L, Mateos Melero JM, Kaech A, Bredell G, Thomas C, Stadelmann C, Misgeld T, Bennett JL, Saab AS, Jessberger S, Weber B. Astrocytes adopt a progenitor-like migratory strategy for regeneration in adult brain. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.18.594292. [PMID: 38798654 PMCID: PMC11118580 DOI: 10.1101/2024.05.18.594292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Mature astrocytes become activated upon non-specific tissue damage and contribute to glial scar formation. Proliferation and migration of adult reactive astrocytes after injury is considered very limited. However, the regenerative behavior of individual astrocytes following selective astroglial loss, as seen in astrocytopathies, such as neuromyelitis optica spectrum disorder, remains unexplored. Here, we performed longitudinal in vivo imaging of cortical astrocytes after focal astrocyte ablation in mice. We discovered that perilesional astrocytes develop a remarkable plasticity for efficient lesion repopulation. A subset of mature astrocytes transforms into reactive progenitor-like (REPL) astrocytes that not only undergo multiple asymmetric divisions but also remain in a multinucleated interstage. This regenerative response facilitates efficient migration of newly formed daughter cell nuclei towards unoccupied astrocyte territories. Our findings define the cellular principles of astrocyte plasticity upon focal lesion, unravelling the REPL phenotype as a fundamental regenerative strategy of mature astrocytes to restore astrocytic networks in the adult mammalian brain. Promoting this regenerative phenotype bears therapeutic potential for neurological conditions involving glial dysfunction.
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3
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Messaoudi S, Allam A, Stoufflet J, Paillard T, Le Ven A, Fouquet C, Doulazmi M, Trembleau A, Caille I. FMRP regulates postnatal neuronal migration via MAP1B. eLife 2024; 12:RP88782. [PMID: 38757694 PMCID: PMC11101172 DOI: 10.7554/elife.88782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024] Open
Abstract
The fragile X syndrome (FXS) represents the most prevalent form of inherited intellectual disability and is the first monogenic cause of autism spectrum disorder. FXS results from the absence of the RNA-binding protein FMRP (fragile X messenger ribonucleoprotein). Neuronal migration is an essential step of brain development allowing displacement of neurons from their germinal niches to their final integration site. The precise role of FMRP in neuronal migration remains largely unexplored. Using live imaging of postnatal rostral migratory stream (RMS) neurons in Fmr1-null mice, we observed that the absence of FMRP leads to delayed neuronal migration and altered trajectory, associated with defects of centrosomal movement. RNA-interference-induced knockdown of Fmr1 shows that these migratory defects are cell-autonomous. Notably, the primary Fmrp mRNA target implicated in these migratory defects is microtubule-associated protein 1B (MAP1B). Knocking down MAP1B expression effectively rescued most of the observed migratory defects. Finally, we elucidate the molecular mechanisms at play by demonstrating that the absence of FMRP induces defects in the cage of microtubules surrounding the nucleus of migrating neurons, which is rescued by MAP1B knockdown. Our findings reveal a novel neurodevelopmental role for FMRP in collaboration with MAP1B, jointly orchestrating neuronal migration by influencing the microtubular cytoskeleton.
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Affiliation(s)
- Salima Messaoudi
- Sorbonne Université, CNRS UMR8246, Inserm U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS)ParisFrance
| | - Ada Allam
- Sorbonne Université, CNRS UMR8246, Inserm U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS)ParisFrance
| | - Julie Stoufflet
- Sorbonne Université, CNRS UMR8246, Inserm U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS)ParisFrance
- Laboratory of Molecular Regulation of Neurogenesis, GIGA-Stem Cells and GIGA-Neurosciences, University of Liège, CHU Sart TilmanLiègeBelgium
| | - Theo Paillard
- Sorbonne Université, CNRS UMR8246, Inserm U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS)ParisFrance
| | - Anaïs Le Ven
- Sorbonne Université, CNRS UMR8246, Inserm U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS)ParisFrance
- Institut CurieParisFrance
| | - Coralie Fouquet
- Sorbonne Université, CNRS UMR8246, Inserm U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS)ParisFrance
| | - Mohamed Doulazmi
- Sorbonne Université, CNRS UMR8246, Inserm U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS)ParisFrance
| | - Alain Trembleau
- Sorbonne Université, CNRS UMR8246, Inserm U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS)ParisFrance
| | - Isabelle Caille
- Sorbonne Université, CNRS UMR8246, Inserm U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS)ParisFrance
- Université de ParisParisFrance
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4
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Tsai MH, Ke HC, Lin WC, Nian FS, Huang CW, Cheng HY, Hsu CS, Granata T, Chang CH, Castellotti B, Lin SY, Doniselli FM, Lu CJ, Franceschetti S, Ragona F, Hou PS, Canafoglia L, Tung CY, Lee MH, Wang WJ, Tsai JW. Novel lissencephaly-associated NDEL1 variant reveals distinct roles of NDE1 and NDEL1 in nucleokinesis and human cortical malformations. Acta Neuropathol 2024; 147:13. [PMID: 38194050 PMCID: PMC10776482 DOI: 10.1007/s00401-023-02665-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 01/10/2024]
Abstract
The development of the cerebral cortex involves a series of dynamic events, including cell proliferation and migration, which rely on the motor protein dynein and its regulators NDE1 and NDEL1. While the loss of function in NDE1 leads to microcephaly-related malformations of cortical development (MCDs), NDEL1 variants have not been detected in MCD patients. Here, we identified two patients with pachygyria, with or without subcortical band heterotopia (SBH), carrying the same de novo somatic mosaic NDEL1 variant, p.Arg105Pro (p.R105P). Through single-cell RNA sequencing and spatial transcriptomic analysis, we observed complementary expression of Nde1/NDE1 and Ndel1/NDEL1 in neural progenitors and post-mitotic neurons, respectively. Ndel1 knockdown by in utero electroporation resulted in impaired neuronal migration, a phenotype that could not be rescued by p.R105P. Remarkably, p.R105P expression alone strongly disrupted neuronal migration, increased the length of the leading process, and impaired nucleus-centrosome coupling, suggesting a failure in nucleokinesis. Mechanistically, p.R105P disrupted NDEL1 binding to the dynein regulator LIS1. This study identifies the first lissencephaly-associated NDEL1 variant and sheds light on the distinct roles of NDE1 and NDEL1 in nucleokinesis and MCD pathogenesis.
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Affiliation(s)
- Meng-Han Tsai
- Department of Neurology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Hao-Chen Ke
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Medical Education, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Wan-Cian Lin
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Faculty of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Fang-Shin Nian
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Clinical Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chia-Wei Huang
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Clinical Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Advanced Therapeutics Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Haw-Yuan Cheng
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chi-Sin Hsu
- Genomics Center for Clinical and Biotechnological Applications, Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Tiziana Granata
- Department of Paediatric Neuroscience, European Reference Network EPIcare, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Chien-Hui Chang
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Barbara Castellotti
- Unit of Medical Genetics and Neurogenetics, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Shin-Yi Lin
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Fabio M Doniselli
- Neuroradiology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Cheng-Ju Lu
- Faculty of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Silvana Franceschetti
- Integrated Diagnostics for Epilepsy, Department of Diagnostic and Technology, European Reference Network EPIcare, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Francesca Ragona
- Department of Paediatric Neuroscience, European Reference Network EPIcare, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Pei-Shan Hou
- Institute of Anatomy and Cell Biology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Laura Canafoglia
- Integrated Diagnostics for Epilepsy, Department of Diagnostic and Technology, European Reference Network EPIcare, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Chien-Yi Tung
- Advanced Therapeutics Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Mei-Hsuan Lee
- Institute of Clinical Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Advanced Therapeutics Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Won-Jing Wang
- Advanced Therapeutics Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Biochemistry and Molecule Biology, College of Life Science, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jin-Wu Tsai
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.
- Advanced Therapeutics Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.
- Department of Biological Science and Technology, College of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan.
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5
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Messaoudi S, Allam A, Stoufflet J, Paillard T, Fouquet C, Doulazmi M, Le Ven A, Trembleau A, Caillé I. FMRP regulates tangential neuronal migration via MAP1B. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.06.530447. [PMID: 36945472 PMCID: PMC10028813 DOI: 10.1101/2023.03.06.530447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
The Fragile X Syndrome (FXS) represents the most prevalent form of inherited intellectual disability and is the first monogenic cause of Autism Spectrum Disorder. FXS results from the absence of the RNA-binding protein FMRP (Fragile X Messenger Ribonucleoprotein). Neuronal migration is an essential step of brain development allowing displacement of neurons from their germinal niches to their final integration site. The precise role of FMRP in neuronal migration remains largely unexplored. Using live imaging of postnatal Rostral Migratory Stream (RMS) neurons in Fmr1-null mice, we observed that the absence of FMRP leads to delayed neuronal migration and altered trajectory, associated with defects of centrosomal movement. RNA-interference-induced knockdown of Fmr1 shows that these migratory defects are cell-autonomous. Notably, the primary FMRP mRNA target implicated in these migratory defects is MAP1B (Microtubule-Associated Protein 1B). Knocking-down MAP1B expression effectively rescued most of the observed migratory defects. Finally, we elucidate the molecular mechanisms at play by demonstrating that the absence of FMRP induces defects in the cage of microtubules surrounding the nucleus of migrating neurons, which is rescued by MAP1B knockdown. Our findings reveal a novel neurodevelopmental role for FMRP in collaboration with MAP1B, jointly orchestrating neuronal migration by influencing the microtubular cytoskeleton.
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6
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Kroll J, Hauschild R, Kuznetcov A, Stefanowski K, Hermann MD, Merrin J, Shafeek L, Müller‐Taubenberger A, Renkawitz J. Adaptive pathfinding by nucleokinesis during amoeboid migration. EMBO J 2023; 42:e114557. [PMID: 37987147 PMCID: PMC10711653 DOI: 10.15252/embj.2023114557] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 11/22/2023] Open
Abstract
Motile cells encounter microenvironments with locally heterogeneous mechanochemical composition. Individual compositional parameters, such as chemokines and extracellular matrix pore sizes, are well known to provide guidance cues for pathfinding. However, motile cells face diverse cues at the same time, raising the question of how they respond to multiple and potentially competing signals on their paths. Here, we reveal that amoeboid cells require nuclear repositioning, termed nucleokinesis, for adaptive pathfinding in heterogeneous mechanochemical micro-environments. Using mammalian immune cells and the amoeba Dictyostelium discoideum, we discover that frequent, rapid and long-distance nucleokinesis is a basic component of amoeboid pathfinding, enabling cells to reorientate quickly between locally competing cues. Amoeboid nucleokinesis comprises a two-step polarity switch and is driven by myosin-II forces that readjust the nuclear to the cellular path. Impaired nucleokinesis distorts path adaptions and causes cellular arrest in the microenvironment. Our findings establish that nucleokinesis is required for amoeboid cell navigation. Given that many immune cells, amoebae, and some cancer cells utilize an amoeboid migration strategy, these results suggest that nucleokinesis underlies cellular navigation during unicellular biology, immunity, and disease.
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Affiliation(s)
- Janina Kroll
- Biomedical Center Munich (BMC), Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, University HospitalLudwig Maximilians University MunichMunichGermany
| | - Robert Hauschild
- Institute of Science and Technology AustriaKlosterneuburgAustria
| | - Artur Kuznetcov
- Biomedical Center Munich (BMC), Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, University HospitalLudwig Maximilians University MunichMunichGermany
| | - Kasia Stefanowski
- Biomedical Center Munich (BMC), Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, University HospitalLudwig Maximilians University MunichMunichGermany
| | - Monika D Hermann
- Biomedical Center Munich (BMC), Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, University HospitalLudwig Maximilians University MunichMunichGermany
| | - Jack Merrin
- Institute of Science and Technology AustriaKlosterneuburgAustria
| | - Lubuna Shafeek
- Institute of Science and Technology AustriaKlosterneuburgAustria
| | - Annette Müller‐Taubenberger
- Biomedical Center Munich (BMC), Department of Cell Biology (Anatomy III)Ludwig Maximilians University MunichMunichGermany
| | - Jörg Renkawitz
- Biomedical Center Munich (BMC), Walter Brendel Center of Experimental Medicine, Institute of Cardiovascular Physiology and Pathophysiology, University HospitalLudwig Maximilians University MunichMunichGermany
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7
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Nakazato R, Matsuda Y, Ijaz F, Ikegami K. Circadian oscillation in primary cilium length by clock genes regulates fibroblast cell migration. EMBO Rep 2023; 24:e56870. [PMID: 37971148 DOI: 10.15252/embr.202356870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 08/30/2023] [Accepted: 10/20/2023] [Indexed: 11/19/2023] Open
Abstract
Various mammalian cells have autonomous cellular clocks that are produced by the transcriptional cycle of clock genes. Cellular clocks provide circadian rhythms for cellular functions via transcriptional and cytoskeletal regulation. The vast majority of mammalian cells possess a primary cilium, an organelle protruding from the cell surface. Here, we investigated the little-known relationship between circadian rhythm and primary cilia. The length and number of primary cilia showed circadian dynamics both in vitro and in vivo. The circadian rhythm of primary cilium length was abolished by SR9011 and Bmal1 knockout. A centrosomal protein, pericentrin, transiently accumulates in centriolar satellites, the base of primary cilia at the shortest cilia phase, and induces elongation of primary cilia at the longest cilia phase in the circadian rhythm of primary cilia. In addition, rhythmic cell migration during wound healing depends on the length of primary cilia and affects the rate of wound healing. Our findings demonstrate that the circadian dynamics of primary cilium length by clock genes control fibroblast migration and could provide new insights into chronobiology.
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Affiliation(s)
- Ryota Nakazato
- Department of Anatomy and Developmental Biology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yuki Matsuda
- Hiroshima University School of Medicine, Hiroshima, Japan
| | - Faryal Ijaz
- Department of Anatomy and Developmental Biology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Koji Ikegami
- Department of Anatomy and Developmental Biology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Kawaguchi, Japan
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8
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Atkins M, Wurmser M, Darmon M, Roche F, Nicol X, Métin C. CXCL12 targets the primary cilium cAMP/cGMP ratio to regulate cell polarity during migration. Nat Commun 2023; 14:8003. [PMID: 38049397 PMCID: PMC10695954 DOI: 10.1038/s41467-023-43645-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 11/15/2023] [Indexed: 12/06/2023] Open
Abstract
Directed cell migration requires sustained cell polarisation. In migrating cortical interneurons, nuclear movements are directed towards the centrosome that organises the primary cilium signalling hub. Primary cilium-elicited signalling, and how it affects migration, remain however ill characterised. Here, we show that altering cAMP/cGMP levels in the primary cilium by buffering cAMP, cGMP or by locally increasing cAMP, influences the polarity and directionality of migrating interneurons, whereas buffering cAMP or cGMP in the apposed centrosome compartment alters their motility. Remarkably, we identify CXCL12 as a trigger that targets the ciliary cAMP/cGMP ratio to promote sustained polarity and directed migration. We thereby uncover cAMP/cGMP levels in the primary cilium as a major target of extrinsic cues and as the steering wheel of neuronal migration.
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Affiliation(s)
- Melody Atkins
- INSERM UMR-S 1270; Institut du Fer à Moulin, Sorbonne Université, F-75005, Paris, France.
| | - Maud Wurmser
- Institut de la Vision, Sorbonne Université, INSERM CNRS, F-75012, Paris, France
| | - Michèle Darmon
- INSERM UMR-S 1270; Institut du Fer à Moulin, Sorbonne Université, F-75005, Paris, France
| | - Fiona Roche
- Institut de la Vision, Sorbonne Université, INSERM CNRS, F-75012, Paris, France
| | - Xavier Nicol
- Institut de la Vision, Sorbonne Université, INSERM CNRS, F-75012, Paris, France
| | - Christine Métin
- INSERM UMR-S 1270; Institut du Fer à Moulin, Sorbonne Université, F-75005, Paris, France.
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9
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Sandeep P, Sharma P, Luhach K, Dhiman N, Kharkwal H, Sharma B. Neuron navigators: A novel frontier with physiological and pathological implications. Mol Cell Neurosci 2023; 127:103905. [PMID: 37972804 DOI: 10.1016/j.mcn.2023.103905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/31/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023] Open
Abstract
Neuron navigators are microtubule plus-end tracking proteins containing basic and serine rich regions which are encoded by neuron navigator genes (NAVs). Neuron navigator proteins are essential for neurite outgrowth, neuronal migration, and overall neurodevelopment along with some other functions as well. The navigator proteins are substantially expressed in the developing brain and have been reported to be differentially expressed in various tissues at different ages. Over the years, the research has found neuron navigators to be implicated in a spectrum of pathological conditions such as developmental anomalies, neurodegenerative disorders, neuropathic pain, anxiety, cancers, and certain inflammatory conditions. The existing knowledge about neuron navigators remains sparse owing to their differential functions, undiscovered modulators, and unknown molecular mechanisms. Investigating the possible role of neuron navigators in various physiological processes and pathological conditions pose as a novel field that requires extensive research and might provide novel mechanistic insights and understanding of these aspects.
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Affiliation(s)
- Parth Sandeep
- Department of Pharmacology, Amity Institute of Pharmacy, Amity University, Uttar Pradesh, Noida, India
| | - Poonam Sharma
- Department of Pharmacology, Amity Institute of Pharmacy, Amity University, Uttar Pradesh, Noida, India
| | - Kanishk Luhach
- Department of Pharmacology, Amity Institute of Pharmacy, Amity University, Uttar Pradesh, Noida, India
| | - Neerupma Dhiman
- Amity Institute of Pharmacy, Amity University, Uttar Pradesh, Noida, India
| | - Harsha Kharkwal
- Amity Natural and Herbal Product Research, Amity Institute of Phytochemistry and Phytomedicine, Amity University, Uttar Pradesh, India
| | - Bhupesh Sharma
- Department of Pharmacology, Amity Institute of Pharmacy, Amity University, Uttar Pradesh, Noida, India.
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10
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Yamada NO, Wenduerma, Senda T. Altered microbiota caused by disordered gut motility leads to an overactivation of intestinal immune system in APC1638T mice. Med Mol Morphol 2023; 56:177-186. [PMID: 36995439 DOI: 10.1007/s00795-023-00352-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 03/19/2023] [Indexed: 03/31/2023]
Abstract
Adenomatous polyposis coli (APC) is recognized as an antioncogene related to familial adenomatous polyposis and colorectal cancers. However, APC is a large protein with multiple binding partners, indicating APC has diverse roles besides as a tumor suppressor. We have ever studied the roles of APC by using APC1638T/1638T (APC1638T) mice. Through those studies, we have noticed stools of APC1638T mice were smaller than those of APC+/+ mice and hypothesized there be a disturbance in fecal formation processes in APC1638T mice. The gut motility was morphologically analyzed by immunohistochemical staining of the Auerbach's plexus. Gut microbiota was analyzed by terminal restriction fragment length polymorphism (T-RFLP). IgA concentration in stools was determined by enzyme-linked immunosorbent assay (ELISA). As results, macroscopic findings suggestive of large intestinal dysmotility and microscopic findings of disorganization and inflammation of the plexus were obtained in APC1638T mice. An alteration of microbiota composition, especially increased Bacteroidetes population was observed. Increases in IgA positive cells and dendritic cells in the ileum with high fecal IgA concentration were also confirmed, suggesting over-activation of gut immunity. Our findings will contribute to our understanding of APC's functions in the gastrointestinal motility, and lead to a development of novel therapies for gut dysmotility-related diseases.
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Affiliation(s)
- Nami O Yamada
- Department of Anatomy, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan.
| | - Wenduerma
- Department of Anatomy, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan
| | - Takao Senda
- Department of Anatomy, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu, 501-1194, Japan
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Cordero Cervantes D, Khare H, Wilson AM, Mendoza ND, Coulon-Mahdi O, Lichtman JW, Zurzolo C. 3D reconstruction of the cerebellar germinal layer reveals tunneling connections between developing granule cells. SCIENCE ADVANCES 2023; 9:eadf3471. [PMID: 37018410 PMCID: PMC10075961 DOI: 10.1126/sciadv.adf3471] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 03/02/2023] [Indexed: 06/19/2023]
Abstract
The difficulty of retrieving high-resolution, in vivo evidence of the proliferative and migratory processes occurring in neural germinal zones has limited our understanding of neurodevelopmental mechanisms. Here, we used a connectomic approach using a high-resolution, serial-sectioning scanning electron microscopy volume to investigate the laminar cytoarchitecture of the transient external granular layer (EGL) of the developing cerebellum, where granule cells coordinate a series of mitotic and migratory events. By integrating image segmentation, three-dimensional reconstruction, and deep-learning approaches, we found and characterized anatomically complex intercellular connections bridging pairs of cerebellar granule cells throughout the EGL. Connected cells were either mitotic, migratory, or transitioning between these two cell stages, displaying a chronological continuum of proliferative and migratory events never previously observed in vivo at this resolution. This unprecedented ultrastructural characterization poses intriguing hypotheses about intercellular connectivity between developing progenitors and its possible role in the development of the central nervous system.
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Affiliation(s)
- Diégo Cordero Cervantes
- Membrane Traffic and Pathogenesis, Institut Pasteur, Université Paris Cité, CNRS UMR 3691, F-75015 Paris, France
- Université Paris-Saclay, 91405 Orsay, France
| | - Harshavardhan Khare
- Membrane Traffic and Pathogenesis, Institut Pasteur, Université Paris Cité, CNRS UMR 3691, F-75015 Paris, France
| | - Alyssa Michelle Wilson
- Department of Neurology, Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Nathaly Dongo Mendoza
- Membrane Traffic and Pathogenesis, Institut Pasteur, Université Paris Cité, CNRS UMR 3691, F-75015 Paris, France
- Research Center in Bioengineering, Universidad de Ingeniería y Tecnología-UTEC, Lima 15049, Peru
| | - Orfane Coulon-Mahdi
- Membrane Traffic and Pathogenesis, Institut Pasteur, Université Paris Cité, CNRS UMR 3691, F-75015 Paris, France
| | - Jeff William Lichtman
- Department of Molecular and Cellular Biology, Center for Brain Science, Harvard University, Cambridge, MA 02138, USA
| | - Chiara Zurzolo
- Membrane Traffic and Pathogenesis, Institut Pasteur, Université Paris Cité, CNRS UMR 3691, F-75015 Paris, France
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12
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Goo BS, Mun DJ, Kim S, Nhung TTM, Lee SB, Woo Y, Kim SJ, Suh BK, Park SJ, Lee HE, Park K, Jang H, Rah JC, Yoon KJ, Baek ST, Park SY, Park SK. Schizophrenia-associated Mitotic Arrest Deficient-1 (MAD1) regulates the polarity of migrating neurons in the developing neocortex. Mol Psychiatry 2023; 28:856-870. [PMID: 36357673 PMCID: PMC9908555 DOI: 10.1038/s41380-022-01856-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/20/2022] [Accepted: 10/24/2022] [Indexed: 11/11/2022]
Abstract
Although large-scale genome-wide association studies (GWAS) have identified an association between MAD1L1 (Mitotic Arrest Deficient-1 Like 1) and the pathology of schizophrenia, the molecular mechanisms underlying this association remain unclear. In the present study, we aimed to address these mechanisms by examining the role of MAD1 (the gene product of MAD1L1) in key neurodevelopmental processes in mice and human organoids. Our findings indicated that MAD1 is highly expressed during active cortical development and that MAD1 deficiency leads to impairments in neuronal migration and neurite outgrowth. We also observed that MAD1 is localized to the Golgi apparatus and regulates vesicular trafficking from the Golgi apparatus to the plasma membrane, which is required for the growth and polarity of migrating neurons. In this process, MAD1 physically interacts and collaborates with the kinesin-like protein KIFC3 (kinesin family member C3) to regulate the morphology of the Golgi apparatus and neuronal polarity, thereby ensuring proper neuronal migration and differentiation. Consequently, our findings indicate that MAD1 is an essential regulator of neuronal development and that alterations in MAD1 may underlie schizophrenia pathobiology.
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Affiliation(s)
- Bon Seong Goo
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Dong Jin Mun
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Seunghyun Kim
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Truong Thi My Nhung
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Su Been Lee
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Youngsik Woo
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Soo Jeong Kim
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Bo Kyoung Suh
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Sung Jin Park
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA, 01655, USA
| | - Hee-Eun Lee
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Kunyou Park
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Hyunsoo Jang
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Jong-Cheol Rah
- Korea Brain Research Institute, Daegu, 41062, Republic of Korea
| | - Ki-Jun Yoon
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Seung Tae Baek
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Seung-Yeol Park
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.
| | - Sang Ki Park
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.
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13
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Scharrenberg R, Richter M, Johanns O, Meka DP, Rücker T, Murtaza N, Lindenmaier Z, Ellegood J, Naumann A, Zhao B, Schwanke B, Sedlacik J, Fiehler J, Hanganu-Opatz IL, Lerch JP, Singh KK, de Anda FC. TAOK2 rescues autism-linked developmental deficits in a 16p11.2 microdeletion mouse model. Mol Psychiatry 2022; 27:4707-4721. [PMID: 36123424 PMCID: PMC9734055 DOI: 10.1038/s41380-022-01785-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 09/02/2022] [Accepted: 09/05/2022] [Indexed: 12/14/2022]
Abstract
The precise development of the neocortex is a prerequisite for higher cognitive and associative functions. Despite numerous advances that have been made in understanding neuronal differentiation and cortex development, our knowledge regarding the impact of specific genes associated with neurodevelopmental disorders on these processes is still limited. Here, we show that Taok2, which is encoded in humans within the autism spectrum disorder (ASD) susceptibility locus 16p11.2, is essential for neuronal migration. Overexpression of de novo mutations or rare variants from ASD patients disrupts neuronal migration in an isoform-specific manner. The mutated TAOK2α variants but not the TAOK2β variants impaired neuronal migration. Moreover, the TAOK2α isoform colocalizes with microtubules. Consequently, neurons lacking Taok2 have unstable microtubules with reduced levels of acetylated tubulin and phosphorylated JNK1. Mice lacking Taok2 develop gross cortical and cortex layering abnormalities. Moreover, acute Taok2 downregulation or Taok2 knockout delayed the migration of upper-layer cortical neurons in mice, and the expression of a constitutively active form of JNK1 rescued these neuronal migration defects. Finally, we report that the brains of the Taok2 KO and 16p11.2 del Het mouse models show striking anatomical similarities and that the heterozygous 16p11.2 microdeletion mouse model displayed reduced levels of phosphorylated JNK1 and neuronal migration deficits, which were ameliorated upon the introduction of TAOK2α in cortical neurons and in the developing cortex of those mice. These results delineate the critical role of TAOK2 in cortical development and its contribution to neurodevelopmental disorders, including ASD.
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Affiliation(s)
- Robin Scharrenberg
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Melanie Richter
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany.
| | - Ole Johanns
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Durga Praveen Meka
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Tabitha Rücker
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Nadeem Murtaza
- Krembil Research Institute, Donald K. Johnson Eye Institute, University Health Network, 60 Leonard Ave, Toronto, ON, M5T 0S8, Canada
- Faculty of Medicine, University of Toronto, Medical Sciences Building, 1 King's College Cir, Toronto, ON, M5S 1A8, Canada
- Department of Biochemistry and Biomedical Sciences, Faculty of Health Sciences, McMaster University, Hamilton, ON, L8S 4A9, Canada
| | - Zsuzsa Lindenmaier
- Mouse Imaging Centre, Hospital for Sick Children, Toronto, ON, M5T 3H7, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, M5S 1A1, Canada
| | - Jacob Ellegood
- Mouse Imaging Centre, Hospital for Sick Children, Toronto, ON, M5T 3H7, Canada
| | - Anne Naumann
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Bing Zhao
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Birgit Schwanke
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Jan Sedlacik
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Jens Fiehler
- Department of Neuroradiology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Ileana L Hanganu-Opatz
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Jason P Lerch
- Mouse Imaging Centre, Hospital for Sick Children, Toronto, ON, M5T 3H7, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, M5S 1A1, Canada
- Wellcome Centre for Integrative Neuroimaging, The University of Oxford, Oxford, OX3 9DU, UK
| | - Karun K Singh
- Krembil Research Institute, Donald K. Johnson Eye Institute, University Health Network, 60 Leonard Ave, Toronto, ON, M5T 0S8, Canada
- Faculty of Medicine, University of Toronto, Medical Sciences Building, 1 King's College Cir, Toronto, ON, M5S 1A8, Canada
| | - Froylan Calderon de Anda
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany.
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14
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Stoufflet J, Caillé I. The Primary Cilium and Neuronal Migration. Cells 2022; 11:3384. [PMID: 36359777 PMCID: PMC9658458 DOI: 10.3390/cells11213384] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 09/29/2023] Open
Abstract
The primary cilium (PC) is a microtubule-based tiny sensory organelle emanating from the centrosome and protruding from the surface of most eukaryotic cells, including neurons. The extremely severe phenotypes of ciliopathies have suggested their paramount importance for multiple developmental events, including brain formation. Neuronal migration is an essential step of neural development, with all neurons traveling from their site of birth to their site of integration. Neurons perform a unique type of cellular migration called cyclic saltatory migration, where their soma periodically jumps along with the stereotyped movement of their centrosome. We will review here how the role of the PC on cell motility was first described in non-neuronal cells as a guide pointing to the direction of migration. We will see then how these findings are extended to neuronal migration. In neurons, the PC appears to regulate the rhythm of cyclic saltatory neuronal migration in multiple systems. Finally, we will review recent findings starting to elucidate how extracellular cues sensed by the PC could be intracellularly transduced to regulate the machinery of neuronal migration. The PC of migrating neurons was unexpectedly discovered to display a rhythmic extracellular emergence during each cycle of migration, with this transient exposure to the external environment associated with periodic transduction of cyclic adenosine monophosphate (cAMP) signaling at the centrosome. The PC in migrating neurons thus uniquely appears as a beat maker, regulating the tempo of cyclic saltatory migration.
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Affiliation(s)
- Julie Stoufflet
- Laboratory of Molecular Regulation of Neurogenesis, GIGA-Stem Cells and GIGA-Neurosciences, Interdisciplinary Cluster for Applied Genoproteomics (GIGA-R), University of Liège, CHU Sart Tilman, 4000 Liège, Belgium
| | - Isabelle Caillé
- Inserm U1130, Institut de Biologie Paris Seine (IBPS), Neuroscience Paris Seine (NPS), Sorbonne University, CNRS UMR8246, 75005 Paris, France
- University of Paris Cité, 75020 Paris, France
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15
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Kalukula Y, Stephens AD, Lammerding J, Gabriele S. Mechanics and functional consequences of nuclear deformations. Nat Rev Mol Cell Biol 2022; 23:583-602. [PMID: 35513718 PMCID: PMC9902167 DOI: 10.1038/s41580-022-00480-z] [Citation(s) in RCA: 121] [Impact Index Per Article: 60.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/29/2022] [Indexed: 02/08/2023]
Abstract
As the home of cellular genetic information, the nucleus has a critical role in determining cell fate and function in response to various signals and stimuli. In addition to biochemical inputs, the nucleus is constantly exposed to intrinsic and extrinsic mechanical forces that trigger dynamic changes in nuclear structure and morphology. Emerging data suggest that the physical deformation of the nucleus modulates many cellular and nuclear functions. These functions have long been considered to be downstream of cytoplasmic signalling pathways and dictated by gene expression. In this Review, we discuss an emerging perspective on the mechanoregulation of the nucleus that considers the physical connections from chromatin to nuclear lamina and cytoskeletal filaments as a single mechanical unit. We describe key mechanisms of nuclear deformations in time and space and provide a critical review of the structural and functional adaptive responses of the nucleus to deformations. We then consider the contribution of nuclear deformations to the regulation of important cellular functions, including muscle contraction, cell migration and human disease pathogenesis. Collectively, these emerging insights shed new light on the dynamics of nuclear deformations and their roles in cellular mechanobiology.
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Affiliation(s)
- Yohalie Kalukula
- University of Mons, Soft Matter and Biomaterials group, Interfaces and Complex Fluids Laboratory, Research Institute for Biosciences, CIRMAP, Place du Parc, 20 B-7000 Mons, Belgium
| | - Andrew D. Stephens
- Biology Department, University of Massachusetts Amherst, Amherst, MA, USA
| | - Jan Lammerding
- Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853, USA,Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Sylvain Gabriele
- University of Mons, Soft Matter and Biomaterials group, Interfaces and Complex Fluids Laboratory, Research Institute for Biosciences, CIRMAP, Place du Parc, 20 B-7000 Mons, Belgium
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16
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Langlois-Lemay L, D’Amours D. Moonlighting at the Poles: Non-Canonical Functions of Centrosomes. Front Cell Dev Biol 2022; 10:930355. [PMID: 35912107 PMCID: PMC9329689 DOI: 10.3389/fcell.2022.930355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 06/17/2022] [Indexed: 11/13/2022] Open
Abstract
Centrosomes are best known as the microtubule organizing centers (MTOCs) of eukaryotic cells. In addition to their classic role in chromosome segregation, centrosomes play diverse roles unrelated to their MTOC activity during cell proliferation and quiescence. Metazoan centrosomes and their functional doppelgängers from lower eukaryotes, the spindle pole bodies (SPBs), act as important structural platforms that orchestrate signaling events essential for cell cycle progression, cellular responses to DNA damage, sensory reception and cell homeostasis. Here, we provide a critical overview of the unconventional and often overlooked roles of centrosomes/SPBs in the life cycle of eukaryotic cells.
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Affiliation(s)
- Laurence Langlois-Lemay
- Department of Cellular and Molecular Medicine, Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON, Canada
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17
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Kamikawa Y, Saito A, Imaizumi K. Impact of Nuclear Envelope Stress on Physiological and Pathological Processes in Central Nervous System. Neurochem Res 2022; 47:2478-2487. [PMID: 35486254 DOI: 10.1007/s11064-022-03608-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 04/07/2022] [Accepted: 04/12/2022] [Indexed: 01/10/2023]
Abstract
The nuclear envelope (NE) separates genomic DNA from the cytoplasm and provides the molecular platforms for nucleocytoplasmic transport, higher-order chromatin organization, and physical links between the nucleus and cytoskeleton. Recent studies have shown that the NE is often damaged by various stresses termed "NE stress", leading to critical cellular dysfunction. Accumulating evidence has revealed the crucial roles of NE stress in the pathology of a broad spectrum of diseases. In the central nervous system (CNS), NE dysfunction impairs neural development and is associated with several neurological disorders, such as Alzheimer's disease and autosomal dominant leukodystrophy. In this review, the structure and functions of the NE are summarized, and the concepts of NE stress and NE stress responses are introduced. Additionally, the significant roles of the NE in the development of CNS and the mechanistic connections between NE stress and neurological disorders are described.
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Affiliation(s)
- Yasunao Kamikawa
- Department of Biochemistry, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan.
| | - Atsushi Saito
- Department of Biochemistry, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Kazunori Imaizumi
- Department of Biochemistry, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan.
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18
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Meka DP, Kobler O, Hong S, Friedrich CM, Wuesthoff S, Henis M, Schwanke B, Krisp C, Schmuelling N, Rueter R, Ruecker T, Betleja E, Cheng T, Mahjoub MR, Soba P, Schlüter H, Fornasiero EF, Calderon de Anda F. Centrosome-dependent microtubule modifications set the conditions for axon formation. Cell Rep 2022; 39:110686. [PMID: 35443171 PMCID: PMC10150443 DOI: 10.1016/j.celrep.2022.110686] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 12/27/2021] [Accepted: 03/24/2022] [Indexed: 11/29/2022] Open
Abstract
Microtubule (MT) modifications are critical during axon development, with stable MTs populating the axon. How these modifications are spatially coordinated is unclear. Here, via high-resolution microscopy, we show that early developing neurons have fewer somatic acetylated MTs restricted near the centrosome. At later stages, however, acetylated MTs spread out in soma and concentrate in growing axon. Live imaging in early plated neurons of the MT plus-end protein, EB3, show increased displacement and growth rate near the MTOC, suggesting local differences that might support axon selection. Moreover, F-actin disruption in early developing neurons, which show fewer somatic acetylated MTs, does not induce multiple axons, unlike later stages. Overexpression of centrosomal protein 120 (Cep120), which promotes MT acetylation/stabilization, induces multiple axons, while its knockdown downregulates proteins modulating MT dynamics and stability, hampering axon formation. Collectively, we show how centrosome-dependent MT modifications contribute to axon formation.
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Affiliation(s)
- Durga Praveen Meka
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Oliver Kobler
- Combinatorial Neuroimaging Core Facility, Leibniz Institute for Neurobiology, 39118 Magdeburg, Germany
| | - Shuai Hong
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Carina Meta Friedrich
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Souhaila Wuesthoff
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Melad Henis
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; Department of Anatomy and Histology, Faculty of Veterinary Medicine, New Valley University, 72511 El-Kharga, Egypt
| | - Birgit Schwanke
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Christoph Krisp
- Institute for Clinical Chemistry and Laboratory Medicine, Mass Spectrometric Proteomics Group, Campus Forschung, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Nessa Schmuelling
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - René Rueter
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Tabitha Ruecker
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Ewelina Betleja
- Department of Medicine (Nephrology Division), Washington University, St. Louis, MO 63110, USA
| | - Tao Cheng
- Department of Medicine (Nephrology Division), Washington University, St. Louis, MO 63110, USA
| | - Moe R Mahjoub
- Department of Medicine (Nephrology Division), Washington University, St. Louis, MO 63110, USA
| | - Peter Soba
- LIMES Institute, Department of Molecular Brain Physiology and Behavior, University of Bonn, 53115 Bonn, Germany; Institute of Physiology and Pathophysiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Hartmut Schlüter
- Institute for Clinical Chemistry and Laboratory Medicine, Mass Spectrometric Proteomics Group, Campus Forschung, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Eugenio F Fornasiero
- Department of Neuro- and Sensory Physiology, University Medical Center Göttingen, 37073 Göttingen, Germany
| | - Froylan Calderon de Anda
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany.
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19
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Centrosomes and Centrosome Equivalents in Other Systems. THE CENTROSOME AND ITS FUNCTIONS AND DYSFUNCTIONS 2022; 235:85-104. [DOI: 10.1007/978-3-031-20848-5_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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20
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Hakanen J, Parmentier N, Sommacal L, Garcia-Sanchez D, Aittaleb M, Vertommen D, Zhou L, Ruiz-Reig N, Tissir F. The Celsr3-Kif2a axis directs neuronal migration in the postnatal brain. Prog Neurobiol 2021; 208:102177. [PMID: 34582949 DOI: 10.1016/j.pneurobio.2021.102177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 08/12/2021] [Accepted: 09/20/2021] [Indexed: 12/27/2022]
Abstract
The tangential migration of immature neurons in the postnatal brain involves consecutive migration cycles and depends on constant remodeling of the cell cytoskeleton, particularly in the leading process (LP). Despite the identification of several proteins with permissive and empowering functions, the mechanisms that specify the direction of migration remain largely unknown. Here, we report that planar cell polarity protein Celsr3 orients neuroblasts migration from the subventricular zone (SVZ) to olfactory bulb (OB). In Celsr3-forebrain conditional knockout mice, neuroblasts loose directionality and few can reach the OB. Celsr3-deficient neuroblasts exhibit aberrant branching of LP, de novo LP formation, and decreased growth rate of microtubules (MT). Mechanistically, we show that Celsr3 interacts physically with Kif2a, a MT depolymerizing protein and that conditional inactivation of Kif2a in the forebrain recapitulates the Celsr3 knockout phenotype. Our findings provide evidence that Celsr3 and Kif2a cooperatively specify the directionality of neuroblasts tangential migration in the postnatal brain.
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Affiliation(s)
- Janne Hakanen
- Université catholique de Louvain, Institute of Neuroscience, Developmental Neurobiology, Brussels, Belgium
| | - Nicolas Parmentier
- Université catholique de Louvain, Institute of Neuroscience, Developmental Neurobiology, Brussels, Belgium
| | - Leonie Sommacal
- Université catholique de Louvain, Institute of Neuroscience, Developmental Neurobiology, Brussels, Belgium
| | - Dario Garcia-Sanchez
- Université catholique de Louvain, Institute of Neuroscience, Developmental Neurobiology, Brussels, Belgium
| | - Mohamed Aittaleb
- College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Didier Vertommen
- Université catholique de Louvain, de Duve Institute, Massprot Platform, Brussels, Belgium
| | - Libing Zhou
- Guangdong-Hongkong-Macau Institute of CNS Regeneration, Ministry of Education CNS Regeneration Collaborative Joint Laboratory, Jinan University, Guangzhou, 510632, PR China
| | - Nuria Ruiz-Reig
- Université catholique de Louvain, Institute of Neuroscience, Developmental Neurobiology, Brussels, Belgium
| | - Fadel Tissir
- Université catholique de Louvain, Institute of Neuroscience, Developmental Neurobiology, Brussels, Belgium; College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar.
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21
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Parcerisas A, Ortega-Gascó A, Pujadas L, Soriano E. The Hidden Side of NCAM Family: NCAM2, a Key Cytoskeleton Organization Molecule Regulating Multiple Neural Functions. Int J Mol Sci 2021; 22:10021. [PMID: 34576185 PMCID: PMC8471948 DOI: 10.3390/ijms221810021] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/12/2021] [Accepted: 09/14/2021] [Indexed: 02/07/2023] Open
Abstract
Although it has been over 20 years since Neural Cell Adhesion Molecule 2 (NCAM2) was identified as the second member of the NCAM family with a high expression in the nervous system, the knowledge of NCAM2 is still eclipsed by NCAM1. The first studies with NCAM2 focused on the olfactory bulb, where this protein has a key role in axonal projection and axonal/dendritic compartmentalization. In contrast to NCAM1, NCAM2's functions and partners in the brain during development and adulthood have remained largely unknown until not long ago. Recent studies have revealed the importance of NCAM2 in nervous system development. NCAM2 governs neuronal morphogenesis and axodendritic architecture, and controls important neuron-specific processes such as neuronal differentiation, synaptogenesis and memory formation. In the adult brain, NCAM2 is highly expressed in dendritic spines, and it regulates synaptic plasticity and learning processes. NCAM2's functions are related to its ability to adapt to the external inputs of the cell and to modify the cytoskeleton accordingly. Different studies show that NCAM2 interacts with proteins involved in cytoskeleton stability and proteins that regulate calcium influx, which could also modify the cytoskeleton. In this review, we examine the evidence that points to NCAM2 as a crucial cytoskeleton regulation protein during brain development and adulthood. This key function of NCAM2 may offer promising new therapeutic approaches for the treatment of neurodevelopmental diseases and neurodegenerative disorders.
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Affiliation(s)
- Antoni Parcerisas
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, University of Barcelona, 08028 Barcelona, Spain; (A.O.-G.); (L.P.)
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
- Department of Basic Sciences, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain
| | - Alba Ortega-Gascó
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, University of Barcelona, 08028 Barcelona, Spain; (A.O.-G.); (L.P.)
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
| | - Lluís Pujadas
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, University of Barcelona, 08028 Barcelona, Spain; (A.O.-G.); (L.P.)
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
| | - Eduardo Soriano
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, University of Barcelona, 08028 Barcelona, Spain; (A.O.-G.); (L.P.)
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
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22
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Okuda S, Sato M, Kato S, Nagashima S, Inatome R, Yanagi S, Fukuda T. Oscillation of Cdc20-APC/C-mediated CAMDI stability is critical for cortical neuron migration. J Biol Chem 2021; 297:100986. [PMID: 34298015 PMCID: PMC8353494 DOI: 10.1016/j.jbc.2021.100986] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 06/28/2021] [Accepted: 07/14/2021] [Indexed: 11/08/2022] Open
Abstract
Radial migration during cortical development is required for formation of the six-layered structure of the mammalian cortex. Defective migration of neurons is linked to several developmental disorders such as autism and schizophrenia. A unique swollen structure called the dilation is formed in migrating neurons and is required for movement of the centrosome and nucleus. However, the detailed molecular mechanism by which this dilation forms is unclear. We report that CAMDI, a gene whose deletion is associated with psychiatric behavior, is degraded by cell division cycle protein 20 (Cdc20)–anaphase-promoting complex/cyclosome (APC/C) cell-cycle machinery after centrosome migration into the dilation in mouse brain development. We also show that CAMDI is restabilized in the dilation until the centrosome enters the dilation, at which point it is once again immediately destabilized. CAMDI degradation is carried out by binding to Cdc20–APC/C via the destruction box degron of CAMDI. CAMDI destruction box mutant overexpression inhibits dilation formation and neuronal cell migration via maintaining the stabilized state of CAMDI. These results indicate that CAMDI is a substrate of the Cdc20–APC/C system and that the oscillatory regulation of CAMDI protein correlates with dilation formation for proper cortical migration.
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Affiliation(s)
- Shohei Okuda
- Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Mariko Sato
- Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Saho Kato
- Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Shun Nagashima
- Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan
| | - Ryoko Inatome
- Department of Life Science, Faculty of Science, Gakushuin University, Toshima-ku, Tokyo, Japan
| | - Shigeru Yanagi
- Department of Life Science, Faculty of Science, Gakushuin University, Toshima-ku, Tokyo, Japan
| | - Toshifumi Fukuda
- Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan.
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23
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Centrosome regulation and function in mammalian cortical neurogenesis. Curr Opin Neurobiol 2021; 69:256-266. [PMID: 34303132 DOI: 10.1016/j.conb.2021.06.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 06/29/2021] [Accepted: 06/30/2021] [Indexed: 02/06/2023]
Abstract
As the primary microtubule-organizing center in animal cells, centrosomes regulate microtubule cytoskeleton to support various cellular behaviors. They also serve as the base for nucleating primary cilia, the hub of diverse signaling pathways. Cells typically possess one centrosome that contains two inequal centrioles and undergoes semi-conservative duplication during cell division, resulting in two centrosomes with an inherent asymmetry in age and properties. While the centrosome is ubiquitously present, mutations of centrosome proteins are strongly associated with human microcephaly characterized by a small cerebral cortex, underscoring the importance of an intact centrosome in supporting cortical neurogenesis. Here we review recent advances on centrosome regulation and function in mammalian cortical neural progenitors and discuss the implications for a better understanding of cortical neurogenesis and related disease mechanisms.
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24
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Afanasyeva EA, Gartlgruber M, Ryl T, Decaesteker B, Denecker G, Mönke G, Toprak UH, Florez A, Torkov A, Dreidax D, Herrmann C, Okonechnikov K, Ek S, Sharma AK, Sagulenko V, Speleman F, Henrich KO, Westermann F. Kalirin-RAC controls nucleokinetic migration in ADRN-type neuroblastoma. Life Sci Alliance 2021; 4:e201900332. [PMID: 33658318 PMCID: PMC8017594 DOI: 10.26508/lsa.201900332] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 02/12/2021] [Accepted: 02/17/2021] [Indexed: 12/12/2022] Open
Abstract
The migrational propensity of neuroblastoma is affected by cell identity, but the mechanisms behind the divergence remain unknown. Using RNAi and time-lapse imaging, we show that ADRN-type NB cells exhibit RAC1- and kalirin-dependent nucleokinetic (NUC) migration that relies on several integral components of neuronal migration. Inhibition of NUC migration by RAC1 and kalirin-GEF1 inhibitors occurs without hampering cell proliferation and ADRN identity. Using three clinically relevant expression dichotomies, we reveal that most of up-regulated mRNAs in RAC1- and kalirin-GEF1-suppressed ADRN-type NB cells are associated with low-risk characteristics. The computational analysis shows that, in a context of overall gene set poverty, the upregulomes in RAC1- and kalirin-GEF1-suppressed ADRN-type cells are a batch of AU-rich element-containing mRNAs, which suggests a link between NUC migration and mRNA stability. Gene set enrichment analysis-based search for vulnerabilities reveals prospective weak points in RAC1- and kalirin-GEF1-suppressed ADRN-type NB cells, including activities of H3K27- and DNA methyltransferases. Altogether, these data support the introduction of NUC inhibitors into cancer treatment research.
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Affiliation(s)
- Elena A Afanasyeva
- Department of Neuroblastoma Genomics, Hopp-Children's Cancer Center at the (NCT) Nationales Centrum für Tumorerkrankungen Heidelberg (KiTZ), Heidelberg, Germany
| | - Moritz Gartlgruber
- Department of Neuroblastoma Genomics, Hopp-Children's Cancer Center at the (NCT) Nationales Centrum für Tumorerkrankungen Heidelberg (KiTZ), Heidelberg, Germany
| | - Tatsiana Ryl
- Department of Neurosurgery, University of Duisburg Essen, Essen, Germany
| | - Bieke Decaesteker
- Center for Medical Genetics, Ghent University, and Cancer Research Institute Ghent, Ghent, Belgium
| | - Geertrui Denecker
- Center for Medical Genetics, Ghent University, and Cancer Research Institute Ghent, Ghent, Belgium
| | - Gregor Mönke
- European Molecular Biology Laboratories, Heidelberg, Germany
| | - Umut H Toprak
- Department of Neuroblastoma Genomics, Hopp-Children's Cancer Center at the (NCT) Nationales Centrum für Tumorerkrankungen Heidelberg (KiTZ), Heidelberg, Germany
| | - Andres Florez
- Department of Neuroblastoma Genomics, Hopp-Children's Cancer Center at the (NCT) Nationales Centrum für Tumorerkrankungen Heidelberg (KiTZ), Heidelberg, Germany
- Center for Systems Biology, Faculty of Arts and Sciences, Harvard University, Cambridge, MA, USA
| | - Alica Torkov
- Department of Neuroblastoma Genomics, Hopp-Children's Cancer Center at the (NCT) Nationales Centrum für Tumorerkrankungen Heidelberg (KiTZ), Heidelberg, Germany
| | - Daniel Dreidax
- Department of Neuroblastoma Genomics, Hopp-Children's Cancer Center at the (NCT) Nationales Centrum für Tumorerkrankungen Heidelberg (KiTZ), Heidelberg, Germany
| | - Carl Herrmann
- Group of Cancer Regulatory Genomics B086, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Konstantin Okonechnikov
- Department of Pediatric Neurooncology, Hopp-Children's Cancer Center at the (NCT) Nationales Centrum für Tumorerkrankungen Heidelberg (KiTZ), Heidelberg, Germany
| | - Sara Ek
- Department of Immunotechnology, CREATE Health, Faculty of Engineering, Lund University, Lund, Sweden
| | - Ashwini Kumar Sharma
- Institute for Pharmacy and Molecular Biotechnology and BioQuant, Heidelberg University, Heidelberg, Germany
- Division of Theoretical Bioinformatics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Vitaliya Sagulenko
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - Frank Speleman
- Center for Medical Genetics, Ghent University, and Cancer Research Institute Ghent, Ghent, Belgium
| | - Kai-Oliver Henrich
- Department of Neuroblastoma Genomics, Hopp-Children's Cancer Center at the (NCT) Nationales Centrum für Tumorerkrankungen Heidelberg (KiTZ), Heidelberg, Germany
| | - Frank Westermann
- Department of Neuroblastoma Genomics, Hopp-Children's Cancer Center at the (NCT) Nationales Centrum für Tumorerkrankungen Heidelberg (KiTZ), Heidelberg, Germany
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25
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Lindhout FW, Portegies S, Kooistra R, Herstel LJ, Stucchi R, Hummel JJA, Scheefhals N, Katrukha EA, Altelaar M, MacGillavry HD, Wierenga CJ, Hoogenraad CC. Centrosome-mediated microtubule remodeling during axon formation in human iPSC-derived neurons. EMBO J 2021; 40:e106798. [PMID: 33835529 PMCID: PMC8126955 DOI: 10.15252/embj.2020106798] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 02/09/2021] [Accepted: 02/17/2021] [Indexed: 12/21/2022] Open
Abstract
Axon formation critically relies on local microtubule remodeling and marks the first step in establishing neuronal polarity. However, the function of the microtubule‐organizing centrosomes during the onset of axon formation is still under debate. Here, we demonstrate that centrosomes play an essential role in controlling axon formation in human‐induced pluripotent stem cell (iPSC)‐derived neurons. Depleting centrioles, the core components of centrosomes, in unpolarized human neuronal stem cells results in various axon developmental defects at later stages, including immature action potential firing, mislocalization of axonal microtubule‐associated Trim46 proteins, suppressed expression of growth cone proteins, and affected growth cone morphologies. Live‐cell imaging of microtubules reveals that centriole loss impairs axonal microtubule reorganization toward the unique parallel plus‐end out microtubule bundles during early development. We propose that centrosomes mediate microtubule remodeling during early axon development in human iPSC‐derived neurons, thereby laying the foundation for further axon development and function.
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Affiliation(s)
- Feline W Lindhout
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Sybren Portegies
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Robbelien Kooistra
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Lotte J Herstel
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Riccardo Stucchi
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands.,Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Jessica J A Hummel
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Nicky Scheefhals
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Eugene A Katrukha
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Maarten Altelaar
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Harold D MacGillavry
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Corette J Wierenga
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Casper C Hoogenraad
- Cell Biology, Neurobiology and Biophysics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands.,Department of Neuroscience, Genentech, Inc, South San Francisco, CA, USA
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26
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Theisen U, Ernst AU, Heyne RLS, Ring TP, Thorn-Seshold O, Köster RW. Microtubules and motor proteins support zebrafish neuronal migration by directing cargo. J Cell Biol 2021; 219:151951. [PMID: 32668451 PMCID: PMC7659711 DOI: 10.1083/jcb.201908040] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 04/08/2020] [Accepted: 06/18/2020] [Indexed: 11/22/2022] Open
Abstract
Neuronal migration during development is necessary to form an ordered and functional brain. Postmitotic neurons require microtubules and dynein to move, but the mechanisms by which they contribute to migration are not fully characterized. Using tegmental hindbrain nuclei neurons in zebrafish embryos together with subcellular imaging, optogenetics, and photopharmacology, we show that, in vivo, the centrosome's position relative to the nucleus is not linked to greatest motility in this cell type. Nevertheless, microtubules, dynein, and kinesin-1 are essential for migration, and we find that interference with endosome formation or the Golgi apparatus impairs migration to a similar extent as disrupting microtubules. In addition, an imbalance in the traffic of the model cargo Cadherin-2 also reduces neuronal migration. These results lead us to propose that microtubules act as cargo carriers to control spatiotemporal protein distribution, which in turn controls motility. This adds crucial insights into the variety of ways that microtubules can support successful neuronal migration in vivo.
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Affiliation(s)
- Ulrike Theisen
- Technical University of Braunschweig, Zoological Institute, Cellular and Molecular Neurobiology, Braunschweig, Germany
| | - Alexander U Ernst
- Technical University of Braunschweig, Zoological Institute, Cellular and Molecular Neurobiology, Braunschweig, Germany.,University of Bern, Institute of Anatomy, Bern, Switzerland
| | - Ronja L S Heyne
- Technical University of Braunschweig, Zoological Institute, Cellular and Molecular Neurobiology, Braunschweig, Germany.,Danish Stem Cell Center, University of Copenhagen, Copenhagen, Denmark
| | - Tobias P Ring
- Technical University of Braunschweig, Institute for Acoustics, Braunschweig, Germany
| | - Oliver Thorn-Seshold
- Department of Pharmacy, Ludwig Maximilians University of Munich, Munich, Germany
| | - Reinhard W Köster
- Technical University of Braunschweig, Zoological Institute, Cellular and Molecular Neurobiology, Braunschweig, Germany
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27
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Bressan C, Saghatelyan A. Intrinsic Mechanisms Regulating Neuronal Migration in the Postnatal Brain. Front Cell Neurosci 2021; 14:620379. [PMID: 33519385 PMCID: PMC7838331 DOI: 10.3389/fncel.2020.620379] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 12/08/2020] [Indexed: 01/19/2023] Open
Abstract
Neuronal migration is a fundamental brain development process that allows cells to move from their birthplaces to their sites of integration. Although neuronal migration largely ceases during embryonic and early postnatal development, neuroblasts continue to be produced and to migrate to a few regions of the adult brain such as the dentate gyrus and the subventricular zone (SVZ). In the SVZ, a large number of neuroblasts migrate into the olfactory bulb (OB) along the rostral migratory stream (RMS). Neuroblasts migrate in chains in a tightly organized micro-environment composed of astrocytes that ensheath the chains of neuroblasts and regulate their migration; the blood vessels that are used by neuroblasts as a physical scaffold and a source of molecular factors; and axons that modulate neuronal migration. In addition to diverse sets of extrinsic micro-environmental cues, long-distance neuronal migration involves a number of intrinsic mechanisms, including membrane and cytoskeleton remodeling, Ca2+ signaling, mitochondria dynamics, energy consumption, and autophagy. All these mechanisms are required to cope with the different micro-environment signals and maintain cellular homeostasis in order to sustain the proper dynamics of migrating neuroblasts and their faithful arrival in the target regions. Neuroblasts in the postnatal brain not only migrate into the OB but may also deviate from their normal path to migrate to a site of injury induced by a stroke or by certain neurodegenerative disorders. In this review, we will focus on the intrinsic mechanisms that regulate long-distance neuroblast migration in the adult brain and on how these pathways may be modulated to control the recruitment of neuroblasts to damaged/diseased brain areas.
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Affiliation(s)
- Cedric Bressan
- CERVO Brain Research Center, Quebec City, QC, Canada.,Department of Psychiatry and Neuroscience, Université Laval, Quebec City, QC, Canada
| | - Armen Saghatelyan
- CERVO Brain Research Center, Quebec City, QC, Canada.,Department of Psychiatry and Neuroscience, Université Laval, Quebec City, QC, Canada
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28
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Leonard CE, Baydyuk M, Stepler MA, Burton DA, Donoghue MJ. EphA7 isoforms differentially regulate cortical dendrite development. PLoS One 2020; 15:e0231561. [PMID: 33275600 PMCID: PMC7717530 DOI: 10.1371/journal.pone.0231561] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 11/22/2020] [Indexed: 02/06/2023] Open
Abstract
The shape of a neuron facilitates its functionality within neural circuits. Dendrites integrate incoming signals from axons, receiving excitatory input onto small protrusions called dendritic spines. Therefore, understanding dendritic growth and development is fundamental for discerning neural function. We previously demonstrated that EphA7 receptor signaling during cortical development impacts dendrites in two ways: EphA7 restricts dendritic growth early and promotes dendritic spine formation later. Here, the molecular basis for this shift in EphA7 function is defined. Expression analyses reveal that EphA7 full-length (EphA7-FL) and truncated (EphA7-T1; lacking kinase domain) isoforms are dynamically expressed in the developing cortex. Peak expression of EphA7-FL overlaps with dendritic elaboration around birth, while highest expression of EphA7-T1 coincides with dendritic spine formation in early postnatal life. Overexpression studies in cultured neurons demonstrate that EphA7-FL inhibits both dendritic growth and spine formation, while EphA7-T1 increases spine density. Furthermore, signaling downstream of EphA7 shifts during development, such that in vivo inhibition of mTOR by rapamycin in EphA7-mutant neurons ameliorates dendritic branching, but not dendritic spine phenotypes. Finally, direct interaction between EphA7-FL and EphA7-T1 is demonstrated in cultured cells, which results in reduction of EphA7-FL phosphorylation. In cortex, both isoforms are colocalized to synaptic fractions and both transcripts are expressed together within individual neurons, supporting a model where EphA7-T1 modulates EphA7-FL repulsive signaling during development. Thus, the divergent functions of EphA7 during cortical dendrite development are explained by the presence of two variants of the receptor.
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Affiliation(s)
- Carrie E. Leonard
- Department of Biology, Georgetown University, Washington, DC, United States of America
- Interdisciplinary Program in Neuroscience, Georgetown University, Washington, DC, United States of America
| | - Maryna Baydyuk
- Department of Biology, Georgetown University, Washington, DC, United States of America
| | - Marissa A. Stepler
- Department of Biology, Georgetown University, Washington, DC, United States of America
| | - Denver A. Burton
- Department of Biology, Georgetown University, Washington, DC, United States of America
| | - Maria J. Donoghue
- Department of Biology, Georgetown University, Washington, DC, United States of America
- Interdisciplinary Program in Neuroscience, Georgetown University, Washington, DC, United States of America
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29
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Wang J, Li T, Wang JL, Xu Z, Meng W, Wu QF. Talpid3-Mediated Centrosome Integrity Restrains Neural Progenitor Delamination to Sustain Neurogenesis by Stabilizing Adherens Junctions. Cell Rep 2020; 33:108495. [DOI: 10.1016/j.celrep.2020.108495] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 08/03/2020] [Accepted: 11/17/2020] [Indexed: 12/21/2022] Open
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30
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Chen NY, Kim PH, Fong LG, Young SG. Nuclear membrane ruptures, cell death, and tissue damage in the setting of nuclear lamin deficiencies. Nucleus 2020; 11:237-249. [PMID: 32910721 PMCID: PMC7529418 DOI: 10.1080/19491034.2020.1815410] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/19/2020] [Accepted: 08/21/2020] [Indexed: 12/26/2022] Open
Abstract
The nuclear membranes function as a barrier to separate the cell nucleus from the cytoplasm, but this barrier can be compromised by nuclear membrane ruptures, leading to intermixing of nuclear and cytoplasmic contents. Spontaneous nuclear membrane ruptures (i.e., ruptures occurring in the absence of mechanical stress) have been observed in cultured cells, but they are more frequent in the setting of defects or deficiencies in nuclear lamins and when cells are subjected to mechanical stress. Nuclear membrane ruptures in cultured cells have been linked to DNA damage, but the relevance of ruptures to developmental or physiologic processes in vivo has received little attention. Recently, we addressed that issue by examining neuronal migration in the cerebral cortex, a developmental process that subjects the cell nucleus to mechanical stress. In the setting of lamin B1 deficiency, we observed frequent nuclear membrane ruptures in migrating neurons in the developing cerebral cortex and showed that those ruptures are likely the cause of observed DNA damage, neuronal cell death, and profound neuropathology. In this review, we discuss the physiologic relevance of nuclear membrane ruptures, with a focus on migrating neurons in cell culture and in the cerebral cortex of genetically modified mice.
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Affiliation(s)
- Natalie Y. Chen
- Department of Medicine, University of California, Los Angeles, CA, USA
| | - Paul H. Kim
- Department of Medicine, University of California, Los Angeles, CA, USA
| | - Loren G. Fong
- Department of Medicine, University of California, Los Angeles, CA, USA
| | - Stephen G. Young
- Department of Medicine, University of California, Los Angeles, CA, USA
- Department of Human Genetics, University of California, Los Angeles, CA, USA
- Department of Molecular Biology Institute, University of California, Los Angeles, CA, USA
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31
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Li X, Han X, Tu X, Zhu D, Feng Y, Jiang T, Yang Y, Qu J, Chen JG. An Autism-Related, Nonsense Foxp1 Mutant Induces Autophagy and Delays Radial Migration of the Cortical Neurons. Cereb Cortex 2020; 29:3193-3208. [PMID: 30124790 DOI: 10.1093/cercor/bhy185] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 07/16/2018] [Accepted: 07/19/2018] [Indexed: 12/21/2022] Open
Abstract
Autism spectrum disorder (ASD) is a complex neurodevelopmental disorder that has a strong genetic component. Disruptions of FOXP1, a transcription factor expressed in the developing cerebral cortex, were associated with ASD. FOXP1(R525X) is a de novo heterozygous mutation found in patients with autism and severe mental retardation. To explore the neuronal basis of FOXP1(R525X) in ASD, we created Foxp1(R521X), a mouse homolog of the human variant. Ectopic expression of Foxp1(R521X) led to cytoplasmic aggregates and activated macroautophagy in neuroblastoma N2a cells and the developing neuronal cells. Cortical neurons expressing Foxp1(R521X) exhibited delayed migration and altered dendritic morphology. As a control, mutant Y435X that was expressed diffusively in the cytoplasm did not induce autophagy and migration delay in the cortex. The embryonic cortical cells had a minimal activity of nonsense-mediated mRNA decay (NMD) as assayed by a splicing-dependent NMD reporter. We hypothesize that the developing neuronal cells use autophagy but not NMD as a safeguard mechanism against nonsense mutant aggregates, resulting in impairment of the cortical development. This study suggests a novel mechanism other than heterozygous loss of FOXP1 for the development of ASD and may advance our understanding of the complex relationships between gene mutation and the related psychiatric disorders.
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Affiliation(s)
- Xue Li
- School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, PR China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, PR China.,Zhejiang Provincial Key Laboratory of Optometry and Ophthalmology, Wenzhou, Zhejiang, PR China
| | - Xin Han
- School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, PR China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, PR China.,Zhejiang Provincial Key Laboratory of Optometry and Ophthalmology, Wenzhou, Zhejiang, PR China
| | - Xiaomeng Tu
- School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, PR China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, PR China.,Zhejiang Provincial Key Laboratory of Optometry and Ophthalmology, Wenzhou, Zhejiang, PR China
| | - Dan Zhu
- School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, PR China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, PR China.,Zhejiang Provincial Key Laboratory of Optometry and Ophthalmology, Wenzhou, Zhejiang, PR China
| | - Yue Feng
- School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, PR China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, PR China.,Zhejiang Provincial Key Laboratory of Optometry and Ophthalmology, Wenzhou, Zhejiang, PR China
| | - Tian Jiang
- Research Center for Translational Medicine, the Affiliated Wenling Hospital of Wenzhou Medical University, Wenling, Zhejiang, PR China
| | - Youping Yang
- Research Center for Translational Medicine, the Affiliated Wenling Hospital of Wenzhou Medical University, Wenling, Zhejiang, PR China
| | - Jia Qu
- School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, PR China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, PR China.,Zhejiang Provincial Key Laboratory of Optometry and Ophthalmology, Wenzhou, Zhejiang, PR China
| | - Jie-Guang Chen
- School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, PR China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, PR China.,Zhejiang Provincial Key Laboratory of Optometry and Ophthalmology, Wenzhou, Zhejiang, PR China
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Minegishi T, Inagaki N. Forces to Drive Neuronal Migration Steps. Front Cell Dev Biol 2020; 8:863. [PMID: 32984342 PMCID: PMC7490296 DOI: 10.3389/fcell.2020.00863] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 08/10/2020] [Indexed: 11/13/2022] Open
Abstract
To establish and maintain proper brain architecture and elaborate neural networks, neurons undergo massive migration. As a unique feature of their migration, neurons move in a saltatory manner by repeating two distinct steps: extension of the leading process and translocation of the cell body. Neurons must therefore generate forces to extend the leading process as well as to translocate the cell body. In addition, neurons need to switch these forces alternately in order to orchestrate their saltatory movement. Recent studies with mechanobiological analyses, including traction force microscopy, cell detachment analyses, live-cell imaging, and loss-of-function analyses, have begun to reveal the forces required for these steps and the molecular mechanics underlying them. Spatiotemporally organized forces produced between cells and their extracellular environment, as well as forces produced within cells, play pivotal roles to drive these neuronal migration steps. Traction force produced by the leading process growth cone extends the leading processes. On the other hand, mechanical tension of the leading process, together with reduction in the adhesion force at the rear and the forces to drive nucleokinesis, translocates the cell body. Traction forces are generated by mechanical coupling between actin filament retrograde flow and the extracellular environment through clutch and adhesion molecules. Forces generated by actomyosin and dynein contribute to the nucleokinesis. In addition to the forces generated in cell-intrinsic manners, external forces provided by neighboring migratory cells coordinate cell movement during collective migration. Here, we review our current understanding of the forces that drive neuronal migration steps and describe the molecular machineries that generate these forces for neuronal migration.
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Affiliation(s)
- Takunori Minegishi
- Laboratory of Systems Neurobiology and Medicine, Division of Biological Science, Nara Institute of Science and Technology, Nara, Japan
| | - Naoyuki Inagaki
- Laboratory of Systems Neurobiology and Medicine, Division of Biological Science, Nara Institute of Science and Technology, Nara, Japan
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JNK Signaling Regulates Cellular Mechanics of Cortical Interneuron Migration. eNeuro 2020; 7:ENEURO.0132-20.2020. [PMID: 32737185 PMCID: PMC7642122 DOI: 10.1523/eneuro.0132-20.2020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 07/01/2020] [Accepted: 07/15/2020] [Indexed: 12/27/2022] Open
Abstract
Aberrant migration of inhibitory interneurons can alter the formation of cortical circuitry and lead to severe neurologic disorders including epilepsy, autism, and schizophrenia. However, mechanisms involved in directing the migration of interneurons remain incompletely understood. Using a mouse model, we performed live-cell confocal microscopy to explore the mechanisms by which the c-Jun NH2-terminal kinase (JNK) pathway coordinates leading process branching and nucleokinesis, two cell biological processes that are essential for the guided migration of cortical interneurons. Pharmacological inhibition of JNK signaling disrupts the kinetics of leading process branching, rate and amplitude of nucleokinesis, and leads to the rearward mislocalization of the centrosome and primary cilium to the trailing process. Genetic loss of Jnk from interneurons also impairs leading process branching and nucleokinesis, suggesting that important mechanics of interneuron migration depend on the intrinsic activity of JNK. These findings highlight key roles for JNK signaling in leading process branching, nucleokinesis, and the trafficking of centrosomes and cilia during interneuron migration, and further implicates JNK signaling as an important mediator of cortical development.
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Naito Y, Asada N, Nguyen MD, Sanada K. AMP-activated protein kinase regulates cytoplasmic dynein behavior and contributes to neuronal migration in the developing neocortex. Development 2020; 147:dev187310. [PMID: 32554528 DOI: 10.1242/dev.187310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 06/05/2020] [Indexed: 11/20/2022]
Abstract
The microtubule motor cytoplasmic dynein contributes to radial migration of newborn pyramidal neurons in the developing neocortex. Here, we show that AMP-activated protein kinase (AMPK) mediates the nucleus-centrosome coupling, a key process for radial neuronal migration that relies on dynein. Depletion of the catalytic subunit of AMPK in migrating neurons impairs this coupling as well as neuronal migration. AMPK shows overlapping subcellular distribution with cytoplasmic dynein and the two proteins interact with each other. Pharmacological inhibition or activation of AMPK modifies the phosphorylation states of dynein intermediate chain (DIC) and dynein functions. Furthermore, AMPK phosphorylates DIC at Ser81. Expression of a phospho-resistant mutant of DIC retards neuronal migration in a similar way to AMPK depletion. Conversely, expression of the phospho-mimetic mutant of DIC alleviates impaired neuronal migration caused by AMPK depletion. Thus, AMPK-regulated dynein function via Ser81 DIC phosphorylation is crucial for radial neuronal migration.
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Affiliation(s)
- Yasuki Naito
- Department of Biophysics and Biochemistry, Graduate School of Science, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Naoyuki Asada
- Department of Biophysics and Biochemistry, Graduate School of Science, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Minh Dang Nguyen
- Hotchkiss Brain Institute, University of Calgary, Departments of Clinical Neurosciences, Cell Biology and Anatomy, Biochemistry & Molecular Biology, Calgary, Alberta, Canada T2N4N1
| | - Kamon Sanada
- Molecular Genetics Research Laboratory, Graduate School of Science, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
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35
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Razavipour SF, Harikumar KB, Slingerland JM. p27 as a Transcriptional Regulator: New Roles in Development and Cancer. Cancer Res 2020; 80:3451-3458. [PMID: 32341036 DOI: 10.1158/0008-5472.can-19-3663] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 03/25/2020] [Accepted: 04/21/2020] [Indexed: 11/16/2022]
Abstract
p27 binds and inhibits cyclin-CDK to arrest the cell cycle. p27 also regulates other processes including cell migration and development independent of its cyclin-dependent kinase (CDK) inhibitory action. p27 is an atypical tumor suppressor-deletion or mutational inactivation of the gene encoding p27, CDKN1B, is rare in human cancers. p27 is rarely fully lost in cancers because it can play both tumor suppressive and oncogenic roles. Until recently, the paradigm was that oncogenic deregulation results from either loss of growth restraint due to excess p27 proteolysis or from an oncogenic gain of function through PI3K-mediated C-terminal p27 phosphorylation, which disrupts the cytoskeleton to increase cell motility and metastasis. In cancers, C-terminal phosphorylation alters p27 protein-protein interactions and shifts p27 from CDK inhibitor to oncogene. Recent data indicate p27 regulates transcription and acts as a transcriptional coregulator of cJun. C-terminal p27 phosphorylation increases p27-cJun recruitment to and action on target genes to drive oncogenic pathways and repress differentiation programs. This review focuses on noncanonical, CDK-independent functions of p27 in migration, invasion, development, and gene expression, with emphasis on how transcriptional regulation by p27 illuminates its actions in cancer. A better understanding of how p27-associated transcriptional complexes are regulated might identify new therapeutic targets at the interface between differentiation and growth control.
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Affiliation(s)
- Seyedeh Fatemeh Razavipour
- Breast Cancer Program, Lombardi Comprehensive Cancer Center, Department of Oncology, Georgetown University, Washington DC
| | - Kuzhuvelil B Harikumar
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala, India
| | - Joyce M Slingerland
- Breast Cancer Program, Lombardi Comprehensive Cancer Center, Department of Oncology, Georgetown University, Washington DC.
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36
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Meka DP, Scharrenberg R, Calderon de Anda F. Emerging roles of the centrosome in neuronal development. Cytoskeleton (Hoboken) 2020; 77:84-96. [DOI: 10.1002/cm.21593] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 12/16/2019] [Accepted: 01/04/2020] [Indexed: 12/24/2022]
Affiliation(s)
- Durga Praveen Meka
- RG Neuronal Development, Center for Molecular Neurobiology Hamburg (ZMNH)University Medical Center Hamburg‐Eppendorf Hamburg Germany
| | - Robin Scharrenberg
- RG Neuronal Development, Center for Molecular Neurobiology Hamburg (ZMNH)University Medical Center Hamburg‐Eppendorf Hamburg Germany
| | - Froylan Calderon de Anda
- RG Neuronal Development, Center for Molecular Neurobiology Hamburg (ZMNH)University Medical Center Hamburg‐Eppendorf Hamburg Germany
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37
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Accogli A, Addour-Boudrahem N, Srour M. Neurogenesis, neuronal migration, and axon guidance. HANDBOOK OF CLINICAL NEUROLOGY 2020; 173:25-42. [PMID: 32958178 DOI: 10.1016/b978-0-444-64150-2.00004-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Development of the central nervous system (CNS) is a complex, dynamic process that involves a precisely orchestrated sequence of genetic, environmental, biochemical, and physical factors from early embryonic stages to postnatal life. Duringthe past decade, great strides have been made to unravel mechanisms underlying human CNS development through the employment of modern genetic techniques and experimental approaches. In this chapter, we review the current knowledge regarding the main developmental processes and signaling mechanisms of (i) neurogenesis, (ii) neuronal migration, and (iii) axon guidance. We discuss mechanisms related to neural stem cells proliferation, migration, terminal translocation of neuronal progenitors, and axon guidance and pathfinding. For each section, we also provide a comprehensive overview of the underlying regulatory processes, including transcriptional, posttranscriptional, and epigenetic factors, and a myriad of signaling pathways that are pivotal to determine the fate of neuronal progenitors and newly formed migrating neurons. We further highlight how impairment of this complex regulating system, such as mutations in its core components, may cause cortical malformation, epilepsy, intellectual disability, and autism in humans. A thorough understanding of normal human CNS development is thus crucial to decipher mechanisms responsible for neurodevelopmental disorders and in turn guide the development of effective and targeted therapeutic strategies.
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Affiliation(s)
- Andrea Accogli
- Unit of Medical Genetics, Istituto Giannina Gaslini Pediatric Hospital, Genova, Italy; Departments of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal-Child Science, Università degli Studi di Genova, Genova, Italy
| | | | - Myriam Srour
- Research Institute, McGill University Health Centre, Montreal, QC, Canada; Department of Pediatrics, Division of Pediatric Neurology, McGill University, Montreal, QC, Canada.
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38
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Postmitotic Cone Migration Mechanisms in the Mammalian Retina. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019. [PMID: 31884659 DOI: 10.1007/978-3-030-27378-1_80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register]
Abstract
High visual acuity and the ability to identify colours is solely dependent upon healthy cone photoreceptors in the retina. Little is known about cone migration mechanisms during postmitotic retinal maturation which, if it occurs erroneously, can result in non-functional cells and altered vision. This review provides an overview of neuronal and cone somal migration mechanisms and the potential molecular partners and nuclear structures driving this process. Furthermore, it will also review foveal formation and how that differs from peripheral cone migration in the human retina.
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39
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Brenneis G, Beltz BS. Adult neurogenesis in crayfish: Origin, expansion, and migration of neural progenitor lineages in a pseudostratified neuroepithelium. J Comp Neurol 2019; 528:1459-1485. [PMID: 31743442 DOI: 10.1002/cne.24820] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 09/05/2019] [Accepted: 11/14/2019] [Indexed: 02/04/2023]
Abstract
Two decades after the discovery of adult-born neurons in the brains of decapod crustaceans, the deutocerebral proliferative system (DPS) producing these neural lineages has become a model of adult neurogenesis in invertebrates. Studies on crayfish have provided substantial insights into the anatomy, cellular dynamics, and regulation of the DPS. Contrary to traditional thinking, recent evidence suggests that the neurogenic niche in the crayfish DPS lacks self-renewing stem cells, its cell pool being instead sustained via integration of hemocytes generated by the innate immune system. Here, we investigated the origin, division and migration patterns of the adult-born neural progenitor (NP) lineages in detail. We show that the niche cell pool is not only replenished by hemocyte integration but also by limited numbers of symmetric cell divisions with some characteristics reminiscent of interkinetic nuclear migration. Once specified in the niche, first generation NPs act as transit-amplifying intermediate NPs that eventually exit and produce multicellular clones as they move along migratory streams toward target brain areas. Different clones may migrate simultaneously in the streams but occupy separate tracks and show spatio-temporally flexible division patterns. Based on this, we propose an extended DPS model that emphasizes structural similarities to pseudostratified neuroepithelia in other arthropods and vertebrates. This model includes hemocyte integration and intrinsic cell proliferation to synergistically counteract niche cell pool depletion during the animal's lifespan. Further, we discuss parallels to recent findings on mammalian adult neurogenesis, as both systems seem to exhibit a similar decoupling of proliferative replenishment divisions and consuming neurogenic divisions.
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Affiliation(s)
- Georg Brenneis
- Wellesley College, Neuroscience Program, Wellesley, Massachusetts, USA.,Universität Greifswald, Zoologisches Institut und Museum, AG Cytologie und Evolutionsbiologie, Greifswald, Germany
| | - Barbara S Beltz
- Wellesley College, Neuroscience Program, Wellesley, Massachusetts, USA
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40
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Pfeifer CR, Irianto J, Discher DE. Nuclear Mechanics and Cancer Cell Migration. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1146:117-130. [PMID: 31612457 DOI: 10.1007/978-3-030-17593-1_8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
As a cancer cell invades adjacent tissue, penetrates a basement membrane barrier, or squeezes into a blood capillary, its nucleus can be greatly constricted. Here, we examine: (1) the passive and active deformation of the nucleus during 3D migration; (2) the nuclear structures-namely, the lamina and chromatin-that govern nuclear deformability; (3) the effect of large nuclear deformation on DNA and nuclear factors; and (4) the downstream consequences of mechanically stressing the nucleus. We focus especially on recent studies showing that constricted migration causes nuclear envelope rupture and excess DNA damage, leading to cell cycle suppression, possibly cell death, and ultimately it seems to heritable genomic variation. We first review the latest understanding of nuclear dynamics during cell migration, and then explore the functional effects of nuclear deformation, especially in relation to genome integrity and potentially cancerous mutations.
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Affiliation(s)
- Charlotte R Pfeifer
- Biophysical Engineering Labs: Molecular & Cell Biophysics and NanoBio-Polymers, University of Pennsylvania, Philadelphia, PA, USA
| | - Jerome Irianto
- Biophysical Engineering Labs: Molecular & Cell Biophysics and NanoBio-Polymers, University of Pennsylvania, Philadelphia, PA, USA
| | - Dennis E Discher
- Biophysical Engineering Labs: Molecular & Cell Biophysics and NanoBio-Polymers, University of Pennsylvania, Philadelphia, PA, USA.
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41
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Monzon AM, Carraro M, Chiricosta L, Reggiani F, Han J, Ozturk K, Wang Y, Miller M, Bromberg Y, Capriotti E, Savojardo C, Babbi G, Martelli PL, Casadio R, Katsonis P, Lichtarge O, Carter H, Kousi M, Katsanis N, Andreoletti G, Moult J, Brenner SE, Ferrari C, Leonardi E, Tosatto SCE. Performance of computational methods for the evaluation of pericentriolar material 1 missense variants in CAGI-5. Hum Mutat 2019; 40:1474-1485. [PMID: 31260570 PMCID: PMC7354699 DOI: 10.1002/humu.23856] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/30/2019] [Accepted: 06/23/2019] [Indexed: 12/11/2022]
Abstract
The CAGI-5 pericentriolar material 1 (PCM1) challenge aimed to predict the effect of 38 transgenic human missense mutations in the PCM1 protein implicated in schizophrenia. Participants were provided with 16 benign variants (negative controls), 10 hypomorphic, and 12 loss of function variants. Six groups participated and were asked to predict the probability of effect and standard deviation associated to each mutation. Here, we present the challenge assessment. Prediction performance was evaluated using different measures to conclude in a final ranking which highlights the strengths and weaknesses of each group. The results show a great variety of predictions where some methods performed significantly better than others. Benign variants played an important role as negative controls, highlighting predictors biased to identify disease phenotypes. The best predictor, Bromberg lab, used a neural-network-based method able to discriminate between neutral and non-neutral single nucleotide polymorphisms. The CAGI-5 PCM1 challenge allowed us to evaluate the state of the art techniques for interpreting the effect of novel variants for a difficult target protein.
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Affiliation(s)
| | - Marco Carraro
- Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Luigi Chiricosta
- Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Francesco Reggiani
- Department of Biomedical Sciences, University of Padua, Padua, Italy
- Department of Information Engineering, University of Padua, Padua, Italy
| | - James Han
- Department of Medicine, University of California San Diego, La Jolla, California
| | - Kivilcim Ozturk
- Department of Medicine, University of California San Diego, La Jolla, California
| | - Yanran Wang
- Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, New Jersey
| | - Maximilian Miller
- Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, New Jersey
| | - Yana Bromberg
- Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, New Jersey
- Institute for Advanced Study, Technical University of Munich (TUM), Munich, Germany
| | - Emidio Capriotti
- Department of Pharmacy and Biotechnology, BioFolD Unit, University of Bologna, Bologna, Italy
| | - Castrense Savojardo
- Department of Pharmacy and Biotechnology, Biocomputing Group, University of Bologna, Bologna, Italy
| | - Giulia Babbi
- Department of Pharmacy and Biotechnology, Biocomputing Group, University of Bologna, Bologna, Italy
| | - Pier L Martelli
- Department of Pharmacy and Biotechnology, Biocomputing Group, University of Bologna, Bologna, Italy
| | - Rita Casadio
- Department of Pharmacy and Biotechnology, Biocomputing Group, University of Bologna, Bologna, Italy
| | - Panagiotis Katsonis
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Olivier Lichtarge
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Hannah Carter
- Department of Medicine, University of California San Diego, La Jolla, California
| | - Maria Kousi
- MIT Computer Science and Artificial Intelligence Laboratory (CSAIL), Broad Institute of MIT and Harvard, Cambridge, Massachusetts
| | - Nicholas Katsanis
- Center for Human Disease Modeling, Duke University Medical Center, Durham, North Carolina
| | - Gaia Andreoletti
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, USA
| | - John Moult
- Institute for Bioscience and Biotechnology Research, University of Maryland, Rockville, Maryland
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, Maryland
| | - Steven E Brenner
- Department of Plant and Microbial Biology, University of California, Berkeley, CA, USA
| | - Carlo Ferrari
- Department of Information Engineering, University of Padua, Padua, Italy
| | | | - Silvio C E Tosatto
- Department of Biomedical Sciences, University of Padua, Padua, Italy
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, California
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42
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Penisson M, Ladewig J, Belvindrah R, Francis F. Genes and Mechanisms Involved in the Generation and Amplification of Basal Radial Glial Cells. Front Cell Neurosci 2019; 13:381. [PMID: 31481878 PMCID: PMC6710321 DOI: 10.3389/fncel.2019.00381] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 08/05/2019] [Indexed: 12/22/2022] Open
Abstract
The development of the cerebral cortex relies on different types of progenitor cell. Among them, the recently described basal radial glial cell (bRG) is suggested to be of critical importance for the development of the brain in gyrencephalic species. These cells are highly numerous in primate and ferret brains, compared to lissencephalic species such as the mouse in which they are few in number. Their somata are located in basal subventricular zones in gyrencephalic brains and they generally possess a basal process extending to the pial surface. They sometimes also have an apical process directed toward the ventricular surface, similar to apical radial glial cells (aRGs) from which they are derived, and whose somata are found more apically in the ventricular zone. bRGs share similarities with aRGs in terms of gene expression (SOX2, PAX6, and NESTIN), whilst also expressing a range of more specific genes (such as HOPX). In primate brains, bRGs can divide multiple times, self-renewing and/or generating intermediate progenitors and neurons. They display a highly specific cytokinesis behavior termed mitotic somal translocation. We focus here on recently identified molecular mechanisms associated with the generation and amplification of bRGs, including bRG-like cells in the rodent. These include signaling pathways such as the FGF-MAPK cascade, SHH, PTEN/AKT, PDGF pathways, and proteins such as INSM, GPSM2, ASPM, TRNP1, ARHGAP11B, PAX6, and HIF1α. A number of these proteins were identified through transcriptome comparisons in human aRGs vs. bRGs, and validated by modifying their activities or expression levels in the mouse. This latter experiment often revealed enhanced bRG-like cell production, even in some cases generating folds (gyri) on the surface of the mouse cortex. We compare the features of the identified cells and methods used to characterize them in each model. These important data converge to indicate pathways essential for the production and expansion of bRGs, which may help us understand cortical development in health and disease.
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Affiliation(s)
- Maxime Penisson
- Inserm, Institut du Fer à Moulin, Sorbonne Université, Paris, France.,Inserm UMR-S 1270, Paris, France.,Institut du Fer à Moulin, Paris, France
| | - Julia Ladewig
- Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.,Hector Institute for Translational Brain Research (gGmbH), Mannheim, Germany.,German Cancer Research Center, Heidelberg, Germany
| | - Richard Belvindrah
- Inserm, Institut du Fer à Moulin, Sorbonne Université, Paris, France.,Inserm UMR-S 1270, Paris, France.,Institut du Fer à Moulin, Paris, France
| | - Fiona Francis
- Inserm, Institut du Fer à Moulin, Sorbonne Université, Paris, France.,Inserm UMR-S 1270, Paris, France.,Institut du Fer à Moulin, Paris, France
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43
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Yanakieva I, Erzberger A, Matejčić M, Modes CD, Norden C. Cell and tissue morphology determine actin-dependent nuclear migration mechanisms in neuroepithelia. J Cell Biol 2019; 218:3272-3289. [PMID: 31420451 PMCID: PMC6781452 DOI: 10.1083/jcb.201901077] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 04/29/2019] [Accepted: 07/18/2019] [Indexed: 11/22/2022] Open
Abstract
Using quantitative live imaging in the developing zebrafish embryo, Yanakieva et al. show that distinct actin-dependent mechanisms position nuclei in neuroepithelia of different morphology. In curved neuroepithelia, a novel formin-dependent mechanism is discovered for which the authors propose a proof-of-principle theoretical model. Correct nuclear position is crucial for cellular function and tissue development. Depending on cell context, however, the cytoskeletal elements responsible for nuclear positioning vary. While these cytoskeletal mechanisms have been intensely studied in single cells, how nuclear positioning is linked to tissue morphology is less clear. Here, we compare apical nuclear positioning in zebrafish neuroepithelia. We find that kinetics and actin-dependent mechanisms of nuclear positioning vary in tissues of different morphology. In straight neuroepithelia, nuclear positioning is controlled by Rho-ROCK–dependent myosin contractility. In contrast, in basally constricted neuroepithelia, a novel formin-dependent pushing mechanism is found for which we propose a proof-of-principle force generation theory. Overall, our data suggest that correct nuclear positioning is ensured by the adaptability of the cytoskeleton to cell and tissue shape. This in turn leads to robust epithelial maturation across geometries. The conclusion that different nuclear positioning mechanisms are favored in tissues of different morphology highlights the importance of developmental context for the execution of intracellular processes.
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Affiliation(s)
- Iskra Yanakieva
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany
| | - Anna Erzberger
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany.,Max Planck Institute for the Physics of Complex Systems, Dresden, Germany
| | - Marija Matejčić
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany
| | - Carl D Modes
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany.,Max Planck Center for Systems Biology, Dresden, Germany
| | - Caren Norden
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany
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44
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Liang C, Carrel D, Omelchenko A, Kim H, Patel A, Fanget I, Firestein BL. Cortical Neuron Migration and Dendrite Morphology are Regulated by Carboxypeptidase E. Cereb Cortex 2019; 29:2890-2903. [PMID: 29982499 PMCID: PMC6611459 DOI: 10.1093/cercor/bhy155] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 06/08/2018] [Accepted: 06/12/2018] [Indexed: 12/28/2022] Open
Abstract
Higher brain function relies on proper development of the cerebral cortex, including correct positioning of neurons and dendrite morphology. Disruptions in these processes may result in various neurocognitive disorders. Mutations in the CPE gene, which encodes carboxypeptidase E (CPE), have been linked to depression and intellectual disability. However, it remains unclear whether CPE is involved in early brain development and in turn contributes to the pathophysiology of neurocognitive disorders. Here, we investigate the effects of CPE knockdown on early brain development and explore the functional significance of the interaction between CPE and its binding partner p150Glued. We demonstrate that CPE is required for cortical neuron migration and dendrite arborization. Furthermore, we show that expression of CPE-C10 redistributes p150Glued from the centrosome and that disruption of CPE interaction with p150Glued leads to abnormal neuronal migration and dendrite morphology, suggesting that a complex between CPE and p150Glued is necessary for proper neurodevelopment.
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Affiliation(s)
- Chen Liang
- Department of Cell Biology and Neuroscience, Rutgers, The State University of New Jersey, 604 Allison Road, Piscataway, NJ, USA
- Molecular Biosciences Graduate Program, Rutgers, The State University of New Jersey, 604 Allison Road, Piscataway, NJ, USA
| | - Damien Carrel
- Neurophotonics Laboratory, Université Paris Descartes, Sorbonne Paris Cité, Centre National de la Recherche Scientifique UMR 8250, Paris, France
| | - Anton Omelchenko
- Department of Cell Biology and Neuroscience, Rutgers, The State University of New Jersey, 604 Allison Road, Piscataway, NJ, USA
- Neuroscience Graduate Program, Rutgers, The State University of New Jersey, 683 Hoes Lane West, USA
| | - Hyuck Kim
- Department of Cell Biology and Neuroscience, Rutgers, The State University of New Jersey, 604 Allison Road, Piscataway, NJ, USA
| | - Aashini Patel
- Department of Cell Biology and Neuroscience, Rutgers, The State University of New Jersey, 604 Allison Road, Piscataway, NJ, USA
| | - Isabelle Fanget
- Neurophotonics Laboratory, Université Paris Descartes, Sorbonne Paris Cité, Centre National de la Recherche Scientifique UMR 8250, Paris, France
| | - Bonnie L Firestein
- Department of Cell Biology and Neuroscience, Rutgers, The State University of New Jersey, 604 Allison Road, Piscataway, NJ, USA
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45
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Hakanen J, Ruiz-Reig N, Tissir F. Linking Cell Polarity to Cortical Development and Malformations. Front Cell Neurosci 2019; 13:244. [PMID: 31213986 PMCID: PMC6558068 DOI: 10.3389/fncel.2019.00244] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 05/16/2019] [Indexed: 01/23/2023] Open
Abstract
Cell polarity refers to the asymmetric distribution of signaling molecules, cellular organelles, and cytoskeleton in a cell. Neural progenitors and neurons are highly polarized cells in which the cell membrane and cytoplasmic components are compartmentalized into distinct functional domains in response to internal and external cues that coordinate polarity and behavior during development and disease. In neural progenitor cells, polarity has a prominent impact on cell shape and coordinate several processes such as adhesion, division, and fate determination. Polarity also accompanies a neuron from the beginning until the end of its life. It is essential for development and later functionality of neuronal circuitries. During development, polarity governs transitions between multipolar and bipolar during migration of postmitotic neurons, and directs the specification and directional growth of axons. Once reaching final positions in cortical layers, neurons form dendrites which become compartmentalized to ensure proper establishment of neuronal connections and signaling. Changes in neuronal polarity induce signaling cascades that regulate cytoskeletal changes, as well as mRNA, protein, and vesicle trafficking, required for synapses to form and function. Hence, defects in establishing and maintaining cell polarity are associated with several neural disorders such as microcephaly, lissencephaly, schizophrenia, autism, and epilepsy. In this review we summarize the role of polarity genes in cortical development and emphasize the relationship between polarity dysfunctions and cortical malformations.
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Affiliation(s)
- Janne Hakanen
- Université catholique de Louvain, Institute of Neuroscience, Developmental Neurobiology, Brussels, Belgium
| | - Nuria Ruiz-Reig
- Université catholique de Louvain, Institute of Neuroscience, Developmental Neurobiology, Brussels, Belgium
| | - Fadel Tissir
- Université catholique de Louvain, Institute of Neuroscience, Developmental Neurobiology, Brussels, Belgium
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46
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Horigane SI, Ozawa Y, Yamada H, Takemoto-Kimura S. Calcium signalling: a key regulator of neuronal migration. J Biochem 2019; 165:401-409. [PMID: 30753600 DOI: 10.1093/jb/mvz012] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Accepted: 02/10/2019] [Indexed: 12/12/2022] Open
Abstract
Neuronal migration is a crucial event in neuronal development for the construction of brain architecture and neuronal networks. Newborn neurons proliferate in the germinal zone and start migration toward their final destination. Migrating neurons adopt different routes, cell shapes and migratory modes depending on extracellular factors and outer physical substrates. Intracellular Ca2+ is an essential second messenger that regulates diverse cellular functions by activating Ca2+-dependent signalling molecules that underlie Ca2+-responsive cellular functions. Neuronal migration during brain architecture construction is no exception. Spontaneous Ca2+ transients are observed in several types of migrating neurons, and a series of Ca2+-dependent signalling molecules governing neuronal migration has been identified. In this review, we first summarize the molecular mechanisms that trigger intracellular Ca2+ elevation in migrating neurons. In the latter half of this review, we provide an overview of the literature on Ca2+-dependent signalling molecules underlying neuronal migration.
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Affiliation(s)
- Shin-Ichiro Horigane
- Department of Neuroscience I, Research Institute of Environmental Medicine, Nagoya University, Nagoya, Japan.,Molecular/Cellular Neuroscience, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yukihiro Ozawa
- Department of Neuroscience I, Research Institute of Environmental Medicine, Nagoya University, Nagoya, Japan.,Molecular/Cellular Neuroscience, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Hirokazu Yamada
- Department of Neuroscience I, Research Institute of Environmental Medicine, Nagoya University, Nagoya, Japan.,Molecular/Cellular Neuroscience, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Sayaka Takemoto-Kimura
- Department of Neuroscience I, Research Institute of Environmental Medicine, Nagoya University, Nagoya, Japan.,Molecular/Cellular Neuroscience, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency, Saitama, Japan
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47
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Abstract
Mutations causing dysfunction of the tubulins and microtubule-associated proteins, otherwise known as tubulinopathies, are a group of recently described entities, that lead to complex brain malformations. An understanding of the fundamental principles of operation of the cytoskeleton and compounds in particular microtubules, actin, and microtubule-associated proteins, can assist in the interpretation of the imaging findings of tubulinopathies. Somewhat consistent morphological imaging patterns have been described in tubulinopathies such as dysmorphic basal ganglia-the hallmark (found in 75% of cases), callosal dysgenesis, cerebellar hypoplasia/dysplasia, and cortical malformations, most notably lissencephaly. Recognizing the common imaging phenotypes present in tubulinopathies can prove invaluable in directing the genetic workup for a patient with brain malformations.
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48
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Broix L, Asselin L, Silva CG, Ivanova EL, Tilly P, Gilet JG, Lebrun N, Jagline H, Muraca G, Saillour Y, Drouot N, Reilly ML, Francis F, Benmerah A, Bahi-Buisson N, Belvindrah R, Nguyen L, Godin JD, Chelly J, Hinckelmann MV. Ciliogenesis and cell cycle alterations contribute to KIF2A-related malformations of cortical development. Hum Mol Genet 2019; 27:224-238. [PMID: 29077851 DOI: 10.1093/hmg/ddx384] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 10/17/2017] [Indexed: 11/13/2022] Open
Abstract
Genetic findings reported by our group and others showed that de novo missense variants in the KIF2A gene underlie malformations of brain development called pachygyria and microcephaly. Though KIF2A is known as member of the Kinesin-13 family involved in the regulation of microtubule end dynamics through its ATP dependent MT-depolymerase activity, how KIF2A variants lead to brain malformations is still largely unknown. Using cellular and in utero electroporation approaches, we show here that KIF2A disease-causing variants disrupts projection neuron positioning and interneuron migration, as well as progenitors proliferation. Interestingly, further dissection of this latter process revealed that ciliogenesis regulation is also altered during progenitors cell cycle. Altogether, our data suggest that deregulation of the coupling between ciliogenesis and cell cycle might contribute to the pathogenesis of KIF2A-related brain malformations. They also raise the issue whether ciliogenesis defects are a hallmark of other brain malformations, such as those related to tubulins and MT-motor proteins variants.
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Affiliation(s)
- Loïc Broix
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France.,Institut Cochin, INSERM U1016, CNRS U8104, Paris Descartes University, Paris 75000, France
| | - Laure Asselin
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Carla G Silva
- GIGA-Neurosciences, University of Liège, C.H.U. Sart Tilman, Liège 4000, Belgium
| | - Ekaterina L Ivanova
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Peggy Tilly
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Johan G Gilet
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Nicolas Lebrun
- Institut Cochin, INSERM U1016, CNRS U8104, Paris Descartes University, Paris 75000, France
| | - Hélène Jagline
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Giuseppe Muraca
- Institut Cochin, INSERM U1016, CNRS U8104, Paris Descartes University, Paris 75000, France
| | - Yoann Saillour
- Institut Cochin, INSERM U1016, CNRS U8104, Paris Descartes University, Paris 75000, France
| | - Nathalie Drouot
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Madeline Louise Reilly
- Paris Diderot University, Paris 75013, France.,INSERM UMR 1163, Paris 75015, France.,Paris Descartes - Sorbonne Paris Cité University, Imagine Institute, Paris 75015, France
| | - Fiona Francis
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Université, Université Pierre et Marie Curie, Paris 75000, France.,Institut du Fer à Moulin, Paris 75000, France
| | - Alexandre Benmerah
- INSERM UMR 1163, Paris 75015, France.,Paris Descartes - Sorbonne Paris Cité University, Imagine Institute, Paris 75015, France
| | - Nadia Bahi-Buisson
- Paris Diderot University, Paris 75013, France.,INSERM UMR 1163, Paris 75015, France
| | - Richard Belvindrah
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Université, Université Pierre et Marie Curie, Paris 75000, France.,Institut du Fer à Moulin, Paris 75000, France
| | - Laurent Nguyen
- GIGA-Neurosciences, University of Liège, C.H.U. Sart Tilman, Liège 4000, Belgium
| | - Juliette D Godin
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
| | - Jamel Chelly
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France.,Service de Diagnostic Génétique, Hôpital Civil de Strasbourg, Hôpitaux Universitaires de Strasbourg, Strasbourg 67000, France
| | - Maria-Victoria Hinckelmann
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch 67400, France.,CNRS U7104, Illkirch 67400, France.,INSERM U964, Illkirch 67400, France.,Université de Strasbourg, Illkirch 67400, France
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49
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The Golgi Apparatus in Polarized Neuroepithelial Stem Cells and Their Progeny: Canonical and Noncanonical Features. Results Probl Cell Differ 2019; 67:359-375. [PMID: 31435803 DOI: 10.1007/978-3-030-23173-6_15] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Neurons forming the central nervous system are generated by neural stem and progenitor cells, via a process called neurogenesis (Götz and Huttner, Nat Rev Mol Cell Biol, 6:777-788, 2005). In this book chapter, we focus on neurogenesis in the dorsolateral telencephalon, the rostral-most region of the neural tube, which contains the part of the central nervous system that is most expanded in mammals (Borrell and Reillo, Dev Neurobiol, 72:955-971, 2012; Wilsch-Bräuninger et al., Curr Opin Neurobiol 39:122-132, 2016). We will discuss recent advances in the dissection of the cell biological mechanisms of neurogenesis, with particular attention to the organization and function of the Golgi apparatus and its relationship to the centrosome.
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50
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Rahimi-Balaei M, Bergen H, Kong J, Marzban H. Neuronal Migration During Development of the Cerebellum. Front Cell Neurosci 2018; 12:484. [PMID: 30618631 PMCID: PMC6304365 DOI: 10.3389/fncel.2018.00484] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 11/27/2018] [Indexed: 01/19/2023] Open
Abstract
Neuronal migration is a fundamental process in central nervous system (CNS) development. The assembly of functioning neuronal circuits relies on neuronal migration occurring in the appropriate spatio-temporal pattern. A defect in the neuronal migration may result in a neurological disorder. The cerebellum, as a part of the CNS, plays a pivotal role in motor coordination and non-motor functions such as emotion, cognition and language. The excitatory and inhibitory neurons within the cerebellum originate from different distinct germinal zones and migrate through complex routes to assemble in a well-defined neuronal organization in the cerebellar cortex and nuclei. In this review article, the neuronal migration modes and pathways from germinal zones to the final position in the cerebellar cortex and nuclei will be described. The cellular and molecular mechanisms involved in cerebellar neuronal migration during development will also be reviewed. Finally, some diseases and animal models associated with defects in neuronal migration will be presented.
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Affiliation(s)
- Maryam Rahimi-Balaei
- Department of Human Anatomy and Cell Science, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada.,The Children's Hospital Research Institute of Manitoba (CHRIM), Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Hugo Bergen
- Department of Human Anatomy and Cell Science, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Jiming Kong
- Department of Human Anatomy and Cell Science, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Hassan Marzban
- Department of Human Anatomy and Cell Science, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada.,The Children's Hospital Research Institute of Manitoba (CHRIM), Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
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