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Coschiera A, Watts ME, Kere J, Tammimies K, Swoboda P. Human LUHMES and NES cells as models for studying primary cilia in neurons. Methods Cell Biol 2023; 176:27-41. [PMID: 37164541 DOI: 10.1016/bs.mcb.2022.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Primary cilia are antenna-like organelles emanating from the cell surface. They are involved in cell-to-cell communication and bidirectional signal transduction to/from the extracellular environment. During brain formation, cilia critically aid in neurogenesis and maturation of neuronal structures such as axons, dendrites and synapses. Aberrations in cilia function can induce neuron differentiation defects and pathological consequences of varying severity, resulting in ciliopathies and likely a number of neurodevelopmental disorders. Despite the documented relevance of cilia for proper brain development, human neuronal models to recognize and study cilia biology are still scarce. We have established two types of cell models, Lund Human Mesencephalic (LUHMES) cells and neuroepithelial stem (NES) cells derived from induced pluripotent stem cells (iPSC), to investigate cilia biology in both proliferating neuronal progenitors/precursors and during the entire neuron differentiation and maturation process. We employ improved immunocytochemistry assays able to specifically detect cilia by confocal and super-resolution microscopy. We provide straightforward and robust methods to easily maintain cells in culture, for immunostaining and characterization of cilia orientation, anatomy and shape in human neurons across all stages of differentiation.
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Affiliation(s)
- Andrea Coschiera
- Karolinska Institute, Department of Biosciences and Nutrition, Huddinge, Sweden
| | - Michelle Evelyn Watts
- Karolinska Institute, Department of Women's and Children's Health and Center for Psychiatry Research, Center of Neurodevelopmental Disorders (KIND), Division of Neuropsychiatry, Stockholm, Sweden; Astrid Lindgren Children's Hospital, Karolinska University Hospital, Region Stockholm, Stockholm, Sweden
| | - Juha Kere
- Karolinska Institute, Department of Biosciences and Nutrition, Huddinge, Sweden; University of Helsinki, Stem Cells and Metabolism Research Program and Folkhälsan Research Center, Helsinki, Finland
| | - Kristiina Tammimies
- Karolinska Institute, Department of Women's and Children's Health and Center for Psychiatry Research, Center of Neurodevelopmental Disorders (KIND), Division of Neuropsychiatry, Stockholm, Sweden; Astrid Lindgren Children's Hospital, Karolinska University Hospital, Region Stockholm, Stockholm, Sweden
| | - Peter Swoboda
- Karolinska Institute, Department of Biosciences and Nutrition, Huddinge, Sweden.
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2
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Cell models for Alzheimer’s and Parkinson’s disease: At the interface of biology and drug discovery. Biomed Pharmacother 2022; 149:112924. [DOI: 10.1016/j.biopha.2022.112924] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/31/2022] [Accepted: 04/04/2022] [Indexed: 11/23/2022] Open
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3
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Ong-Pålsson E, Njavro JR, Wilson Y, Pigoni M, Schmidt A, Müller SA, Meyer M, Hartmann J, Busche MA, Gunnersen JM, Munro KM, Lichtenthaler SF. The β-Secretase Substrate Seizure 6-Like Protein (SEZ6L) Controls Motor Functions in Mice. Mol Neurobiol 2021; 59:1183-1198. [PMID: 34958451 PMCID: PMC8857007 DOI: 10.1007/s12035-021-02660-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 11/20/2021] [Indexed: 11/03/2022]
Abstract
The membrane protein seizure 6-like (SEZ6L) is a neuronal substrate of the Alzheimer's disease protease BACE1, and little is known about its physiological function in the nervous system. Here, we show that SEZ6L constitutive knockout mice display motor phenotypes in adulthood, including changes in gait and decreased motor coordination. Additionally, SEZ6L knockout mice displayed increased anxiety-like behaviour, although spatial learning and memory in the Morris water maze were normal. Analysis of the gross anatomy and proteome of the adult SEZ6L knockout cerebellum did not reveal any major differences compared to wild type, indicating that lack of SEZ6L in other regions of the nervous system may contribute to the phenotypes observed. In summary, our study establishes physiological functions for SEZ6L in regulating motor coordination and curbing anxiety-related behaviour, indicating that aberrant SEZ6L function in the human nervous system may contribute to movement disorders and neuropsychiatric diseases.
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Affiliation(s)
- Emma Ong-Pålsson
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Jasenka Rudan Njavro
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, 81675, Munich, Germany
| | - Yvette Wilson
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Martina Pigoni
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, 81675, Munich, Germany
| | - Andree Schmidt
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, 81675, Munich, Germany.,Graduate School of Systemic Neurosciences, Ludwig Maximilian University, Munich, Germany
| | - Stephan A Müller
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, 81675, Munich, Germany
| | - Michael Meyer
- Biomedical Center, Ludwig Maximilian University Munich, 82152, Planegg/Munich, Germany
| | - Jana Hartmann
- UK Dementia Research Institute at UCL, University College London, Great Britain, London, WC1E 6BT, UK.,Institute of Neuroscience, Technical University of Munich, 80802, Munich, Germany
| | - Marc Aurel Busche
- UK Dementia Research Institute at UCL, University College London, Great Britain, London, WC1E 6BT, UK
| | - Jenny M Gunnersen
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, Victoria, 3010, Australia.,The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Kathryn M Munro
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Stefan F Lichtenthaler
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany. .,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, 81675, Munich, Germany. .,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.
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William M, Singh S, Chu XP. Commentary: Large Acid-Evoked Currents, Mediated by ASIC1a, Accompany Differentiation in Human Dopaminergic Neurons. Front Cell Neurosci 2021; 15:789354. [PMID: 34880731 PMCID: PMC8646021 DOI: 10.3389/fncel.2021.789354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 10/29/2021] [Indexed: 11/18/2022] Open
Affiliation(s)
- Matthew William
- Department of Biomedical Sciences, School of Medicine, University of Missouri-Kansas City, Kansas City, MO, United States
| | - Som Singh
- Department of Biomedical Sciences, School of Medicine, University of Missouri-Kansas City, Kansas City, MO, United States
| | - Xiang-Ping Chu
- Department of Biomedical Sciences, School of Medicine, University of Missouri-Kansas City, Kansas City, MO, United States
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Tüshaus J, Müller SA, Shrouder J, Arends M, Simons M, Plesnila N, Blobel CP, Lichtenthaler SF. The pseudoprotease iRhom1 controls ectodomain shedding of membrane proteins in the nervous system. FASEB J 2021; 35:e21962. [PMID: 34613632 DOI: 10.1096/fj.202100936r] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 08/31/2021] [Accepted: 09/15/2021] [Indexed: 12/22/2022]
Abstract
Proteolytic ectodomain shedding of membrane proteins is a fundamental mechanism to control the communication between cells and their environment. A key protease for membrane protein shedding is ADAM17, which requires a non-proteolytic subunit, either inactive Rhomboid 1 (iRhom1) or iRhom2 for its activity. While iRhom1 and iRhom2 are co-expressed in most tissues and appear to have largely redundant functions, the brain is an organ with predominant expression of iRhom1. Yet, little is known about the spatio-temporal expression of iRhom1 in mammalian brain and about its function in controlling membrane protein shedding in the nervous system. Here, we demonstrate that iRhom1 is expressed in mouse brain from the prenatal stage to adulthood with a peak in early postnatal development. In the adult mouse brain iRhom1 was widely expressed, including in cortex, hippocampus, olfactory bulb, and cerebellum. Proteomic analysis of the secretome of primary neurons using the hiSPECS method and of cerebrospinal fluid, obtained from iRhom1-deficient and control mice, identified several membrane proteins that require iRhom1 for their shedding in vitro or in vivo. One of these proteins was 'multiple-EGF-like-domains protein 10' (MEGF10), a phagocytic receptor in the brain that is linked to the removal of amyloid β and apoptotic neurons. MEGF10 was further validated as an ADAM17 substrate using ADAM17-deficient mouse embryonic fibroblasts. Taken together, this study discovers a role for iRhom1 in controlling membrane protein shedding in the mouse brain, establishes MEGF10 as an iRhom1-dependent ADAM17 substrate and demonstrates that iRhom1 is widely expressed in murine brain.
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Affiliation(s)
- Johanna Tüshaus
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Stephan A Müller
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Joshua Shrouder
- Institute for Stroke and Dementia Research (ISD), Klinikum der Universität München, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Martina Arends
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Institute of Neuronal Cell Biology, Technical University Munich, Munich, Germany
| | - Mikael Simons
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Institute of Neuronal Cell Biology, Technical University Munich, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Nikolaus Plesnila
- Institute for Stroke and Dementia Research (ISD), Klinikum der Universität München, Ludwig-Maximilians-University Munich, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Carl P Blobel
- Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medicine, New York, New York, USA.,Department of Medicine, Weill Cornell Medicine, New York, New York, USA.,Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, New York, USA
| | - Stefan F Lichtenthaler
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany.,Neuroproteomics, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
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Koszła O, Stępnicki P, Zięba A, Grudzińska A, Matosiuk D, Kaczor AA. Current Approaches and Tools Used in Drug Development against Parkinson's Disease. Biomolecules 2021; 11:897. [PMID: 34208760 PMCID: PMC8235487 DOI: 10.3390/biom11060897] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/12/2021] [Accepted: 06/13/2021] [Indexed: 12/12/2022] Open
Abstract
Parkinson's disease is a progressive neurodegenerative disorder characterized by the death of nerve cells in the substantia nigra of the brain. The treatment options for this disease are very limited as currently the treatment is mainly symptomatic, and the available drugs are not able to completely stop the progression of the disease but only to slow it down. There is still a need to search for new compounds with the most optimal pharmacological profile that would stop the rapidly progressing disease. An increasing understanding of Parkinson's pathogenesis and the discovery of new molecular targets pave the way to develop new therapeutic agents. The use and selection of appropriate cell and animal models that better reflect pathogenic changes in the brain is a key aspect of the research. In addition, computer-assisted drug design methods are a promising approach to developing effective compounds with potential therapeutic effects. In light of the above, in this review, we present current approaches for developing new drugs for Parkinson's disease.
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Affiliation(s)
- Oliwia Koszła
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20-093 Lublin, Poland; (O.K.); (P.S.); (A.Z.); (A.G.); (D.M.)
| | - Piotr Stępnicki
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20-093 Lublin, Poland; (O.K.); (P.S.); (A.Z.); (A.G.); (D.M.)
| | - Agata Zięba
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20-093 Lublin, Poland; (O.K.); (P.S.); (A.Z.); (A.G.); (D.M.)
| | - Angelika Grudzińska
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20-093 Lublin, Poland; (O.K.); (P.S.); (A.Z.); (A.G.); (D.M.)
| | - Dariusz Matosiuk
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20-093 Lublin, Poland; (O.K.); (P.S.); (A.Z.); (A.G.); (D.M.)
| | - Agnieszka A. Kaczor
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20-093 Lublin, Poland; (O.K.); (P.S.); (A.Z.); (A.G.); (D.M.)
- School of Pharmacy, University of Eastern Finland, Yliopistonranta 1, P.O. Box 1627, FI-70211 Kuopio, Finland
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Alrashidi H, Eaton S, Heales S. Biochemical characterization of proliferative and differentiated SH-SY5Y cell line as a model for Parkinson's disease. Neurochem Int 2021; 145:105009. [PMID: 33684546 DOI: 10.1016/j.neuint.2021.105009] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 02/24/2021] [Accepted: 03/01/2021] [Indexed: 12/13/2022]
Abstract
Parkinson's disease is a multifactorial neurodegenerative disease. The cellular pathology includes dopamine depletion, decrease in mitochondrial complex I enzyme activity, lysosomal glucocerebrosidase enzyme activity and glutathione levels. The SH-SY5Y human neuroblastoma cell line is one of the most widely used cell line models for Parkinson's disease. However, the consensus on its suitability as a model in its proliferative or differentiated state is lacking. In this study, we characterized and compared the biochemical processes most often studied in PD. This in proliferative and differentiated phenotypes of SH-SY5Y cells and several differences were found. Most notably, extracellular dopamine metabolism was significantly higher in differentiated SH-SY5Y. Furthermore, there was a greater variability in glutathione levels in proliferative phenotype (+/- 49%) compared to differentiated (+/- 16%). Finally, enzyme activity assay revealed significant increase in the lysosomal enzyme glucocerebrosidase activity in differentiated phenotype. In contrast, our study has found similarities between the two phenotypes in mitochondrial electron transport chain activity and tyrosine hydroxylase protein expression. The results of this study demonstrate that despite coming from the same cell line, these cells possess some key differences in their biochemistry. This highlights the importance of careful characterization of relevant disease pathways to assess the suitability of cell lines, such as SH-SY5Y cells, for modelling PD or other diseases, i.e. when using the same cell line but different differentiation states.
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Affiliation(s)
- Haya Alrashidi
- Genetics and Genomic Medicine, GOS Institute of Child Health, University College London, London, UK; Biochemistry Division, Faculty of Science, Kuwait University, Kuwait
| | - Simon Eaton
- Development Biology and Cancer, GOS Institute of Child Health, University College London, London, UK.
| | - Simon Heales
- Genetics and Genomic Medicine, GOS Institute of Child Health, University College London, London, UK; Neurometabolic Unit, National Hospital for Neurology and Neurosurgery, Queen Square, London, UK.
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