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Abstract
Neurons are markedly compartmentalized, which makes them reliant on axonal transport to maintain their health. Axonal transport is important for anterograde delivery of newly synthesized macromolecules and organelles from the cell body to the synapse and for the retrograde delivery of signaling endosomes and autophagosomes for degradation. Dysregulation of axonal transport occurs early in neurodegenerative diseases and plays a key role in axonal degeneration. Here, we provide an overview of mechanisms for regulation of axonal transport; discuss how these mechanisms are disrupted in neurodegenerative diseases including Alzheimer's disease, Parkinson's disease, Huntington's disease, hereditary spastic paraplegia, amyotrophic lateral sclerosis, and Charcot-Marie-Tooth disease; and discuss therapeutic approaches targeting axonal transport.
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2
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Al-Bari AA. Inhibition of autolysosomes by repurposing drugs as a promising therapeutic strategy for the treatment of cancers. ALL LIFE 2022. [DOI: 10.1080/26895293.2022.2078894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- Abdul Alim Al-Bari
- Department of Pharmacy, Faculty of Science, University of Rajshahi, Rajshahi, Bangladesh
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3
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de Boer EMJ, van Rheenen W, Goedee HS, Kamsteeg EJ, Brilstra EH, Veldink JH, van Den Berg LH, van Es MA. Genotype-phenotype correlations of KIF5A stalk domain variants. Amyotroph Lateral Scler Frontotemporal Degener 2021; 22:561-570. [PMID: 33829936 DOI: 10.1080/21678421.2021.1907412] [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] [Indexed: 12/11/2022]
Abstract
The kinesin family member 5A (KIF5A) motor domain variants are typically associated with hereditary spastic paraplegia (HSP) or Charcot-Marie-Tooth 2 (CMT2), while KIF5A tail variants predispose to amyotrophic lateral sclerosis (ALS) and neonatal intractable myoclonus. Variants within the stalk domain of KIF5A are relatively rare. We describe a family of three patients with a complex HSP phenotype and a likely pathogenic KIF5A stalk variant. More family members were reported to have walking difficulties. When reviewing the literature on KIF5A stalk variants, we found 22 other cases. The phenotypes varied with most cases having (complex) HSP/CMT2 or ALS. Symptom onset varied from childhood to adulthood and common additional symptoms for HSP are involvement of the upper limbs, sensorimotor polyneuropathy, and foot deformities. We conclude that KIF5A variants lead to a broad clinical spectrum of disease. Phenotype distribution according to variants in specific domains occurs often in the motor and tail domain but are not definite. However, variants in the stalk domain are not bound to a specific phenotype.
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Affiliation(s)
- Eva M J de Boer
- Department of Neurology, Brain Centre Rudolf Magnus, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Wouter van Rheenen
- Department of Neurology, Brain Centre Rudolf Magnus, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - H Stephan Goedee
- Department of Neurology, Brain Centre Rudolf Magnus, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Erik-Jan Kamsteeg
- Department of Human Genetics, Radboud University Medical Centre, Nijmegen, The Netherlands, and
| | - Eva H Brilstra
- Department of Genetics, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Jan H Veldink
- Department of Neurology, Brain Centre Rudolf Magnus, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Leonard H van Den Berg
- Department of Neurology, Brain Centre Rudolf Magnus, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Michael A van Es
- Department of Neurology, Brain Centre Rudolf Magnus, University Medical Centre Utrecht, Utrecht, The Netherlands
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4
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Lam AJ, Rao L, Anazawa Y, Okada K, Chiba K, Dacy M, Niwa S, Gennerich A, Nowakowski DW, McKenney RJ. A highly conserved 3 10 helix within the kinesin motor domain is critical for kinesin function and human health. SCIENCE ADVANCES 2021; 7:7/18/eabf1002. [PMID: 33931448 PMCID: PMC8087401 DOI: 10.1126/sciadv.abf1002] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 03/11/2021] [Indexed: 05/10/2023]
Abstract
KIF1A is a critical cargo transport motor within neurons. More than 100 known mutations result in KIF1A-associated neurological disorder (KAND), a degenerative condition for which there is no cure. A missense mutation, P305L, was identified in children diagnosed with KAND, but the molecular basis for the disease is unknown. We find that this conserved residue is part of an unusual 310 helix immediately adjacent to the family-specific K-loop, which facilitates a high microtubule-association rate. We find that the mutation negatively affects several biophysical parameters of the motor. However, the microtubule-association rate of the motor is most markedly affected, revealing that the presence of an intact K-loop is not sufficient for its function. We hypothesize that the 310 helix facilitates a specific K-loop conformation that is critical for its function. We find that the function of this proline is conserved in kinesin-1, revealing a fundamental principle of the kinesin motor mechanism.
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Affiliation(s)
- Aileen J Lam
- Department of Molecular and Cellular Biology, University of California, Davis. Davis, CA 95616, USA
| | - Lu Rao
- Department of Anatomy and Structural Biology and Gruss Lipper Biophotonics Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Yuzu Anazawa
- Department of Biology, Faculty of Science, Tohoku University, Sendai, 980-8578 Miyagi, Japan
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, 980-0845 Miyagi, Japan
| | - Kyoko Okada
- Department of Molecular and Cellular Biology, University of California, Davis. Davis, CA 95616, USA
| | - Kyoko Chiba
- Department of Molecular and Cellular Biology, University of California, Davis. Davis, CA 95616, USA
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, 980-0845 Miyagi, Japan
| | - Mariah Dacy
- Department of Molecular and Cellular Biology, University of California, Davis. Davis, CA 95616, USA
| | - Shinsuke Niwa
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, 980-0845 Miyagi, Japan
| | - Arne Gennerich
- Department of Anatomy and Structural Biology and Gruss Lipper Biophotonics Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
| | | | - Richard J McKenney
- Department of Molecular and Cellular Biology, University of California, Davis. Davis, CA 95616, USA.
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5
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Sharma G, Pfeffer G, Shutt TE. Genetic Neuropathy Due to Impairments in Mitochondrial Dynamics. BIOLOGY 2021; 10:268. [PMID: 33810506 PMCID: PMC8066130 DOI: 10.3390/biology10040268] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/19/2021] [Accepted: 03/21/2021] [Indexed: 12/12/2022]
Abstract
Mitochondria are dynamic organelles capable of fusing, dividing, and moving about the cell. These properties are especially important in neurons, which in addition to high energy demand, have unique morphological properties with long axons. Notably, mitochondrial dysfunction causes a variety of neurological disorders including peripheral neuropathy, which is linked to impaired mitochondrial dynamics. Nonetheless, exactly why peripheral neurons are especially sensitive to impaired mitochondrial dynamics remains somewhat enigmatic. Although the prevailing view is that longer peripheral nerves are more sensitive to the loss of mitochondrial motility, this explanation is insufficient. Here, we review pathogenic variants in proteins mediating mitochondrial fusion, fission and transport that cause peripheral neuropathy. In addition to highlighting other dynamic processes that are impacted in peripheral neuropathies, we focus on impaired mitochondrial quality control as a potential unifying theme for why mitochondrial dysfunction and impairments in mitochondrial dynamics in particular cause peripheral neuropathy.
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Affiliation(s)
- Govinda Sharma
- Departments of Medical Genetics and Biochemistry & Molecular Biology, Cumming School of Medicine, Alberta Children’s Hospital Research Institute, Hotchkiss Brain Institute, University of Calgary, Calgary, AB T2N 4N1, Canada;
| | - Gerald Pfeffer
- Departments of Clinical Neurosciences and Medical Genetics, Cumming School of Medicine, Hotchkiss Brain Institute, Alberta Child Health Research Institute, University of Calgary, Calgary, AB T2N 4N1, Canada;
| | - Timothy E. Shutt
- Departments of Medical Genetics and Biochemistry & Molecular Biology, Cumming School of Medicine, Alberta Children’s Hospital Research Institute, Hotchkiss Brain Institute, University of Calgary, Calgary, AB T2N 4N1, Canada;
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Guo W, Vandoorne T, Steyaert J, Staats KA, Van Den Bosch L. The multifaceted role of kinases in amyotrophic lateral sclerosis: genetic, pathological and therapeutic implications. Brain 2021; 143:1651-1673. [PMID: 32206784 PMCID: PMC7296858 DOI: 10.1093/brain/awaa022] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 11/23/2019] [Accepted: 12/11/2019] [Indexed: 02/07/2023] Open
Abstract
Amyotrophic lateral sclerosis is the most common degenerative disorder of motor neurons in adults. As there is no cure, thousands of individuals who are alive at present will succumb to the disease. In recent years, numerous causative genes and risk factors for amyotrophic lateral sclerosis have been identified. Several of the recently identified genes encode kinases. In addition, the hypothesis that (de)phosphorylation processes drive the disease process resulting in selective motor neuron degeneration in different disease variants has been postulated. We re-evaluate the evidence for this hypothesis based on recent findings and discuss the multiple roles of kinases in amyotrophic lateral sclerosis pathogenesis. We propose that kinases could represent promising therapeutic targets. Mainly due to the comprehensive regulation of kinases, however, a better understanding of the disturbances in the kinome network in amyotrophic lateral sclerosis is needed to properly target specific kinases in the clinic.
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Affiliation(s)
- Wenting Guo
- KU Leuven-University of Leuven, Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), Leuven, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven, Belgium.,KU Leuven-Stem Cell Institute (SCIL), Leuven, Belgium
| | - Tijs Vandoorne
- KU Leuven-University of Leuven, Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), Leuven, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven, Belgium
| | - Jolien Steyaert
- KU Leuven-University of Leuven, Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), Leuven, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven, Belgium
| | - Kim A Staats
- Department of Stem Cell Biology and Regenerative Medicine, University of Southern California, Los Angeles, California, USA
| | - Ludo Van Den Bosch
- KU Leuven-University of Leuven, Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), Leuven, Belgium.,VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven, Belgium
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7
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Guo W, Stoklund Dittlau K, Van Den Bosch L. Axonal transport defects and neurodegeneration: Molecular mechanisms and therapeutic implications. Semin Cell Dev Biol 2019; 99:133-150. [PMID: 31542222 DOI: 10.1016/j.semcdb.2019.07.010] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 06/22/2019] [Accepted: 07/09/2019] [Indexed: 12/12/2022]
Abstract
Because of the extremely polarized morphology, the proper functioning of neurons largely relies on the efficient cargo transport along the axon. Axonal transport defects have been reported in multiple neurodegenerative diseases as an early pathological feature. The discovery of mutations in human genes involved in the transport machinery provide a direct causative relationship between axonal transport defects and neurodegeneration. Here, we summarize the current genetic findings related to axonal transport in neurodegenerative diseases, and we discuss the relationship between axonal transport defects and other pathological changes observed in neurodegeneration. In addition, we summarize the therapeutic approaches targeting the axonal transport machinery in studies of neurodegenerative diseases. Finally, we review the technical advances in tracking axonal transport both in vivo and in vitro.
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Affiliation(s)
- Wenting Guo
- KU Leuven - University of Leuven, Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), Leuven, Belgium; VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven, Belgium; KU Leuven-Stem Cell Institute (SCIL), Leuven, Belgium
| | - Katarina Stoklund Dittlau
- KU Leuven - University of Leuven, Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), Leuven, Belgium; VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven, Belgium
| | - Ludo Van Den Bosch
- KU Leuven - University of Leuven, Department of Neurosciences, Experimental Neurology, and Leuven Brain Institute (LBI), Leuven, Belgium; VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Leuven, Belgium.
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8
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Gentile F, Scarlino S, Falzone YM, Lunetta C, Tremolizzo L, Quattrini A, Riva N. The Peripheral Nervous System in Amyotrophic Lateral Sclerosis: Opportunities for Translational Research. Front Neurosci 2019; 13:601. [PMID: 31293369 PMCID: PMC6603245 DOI: 10.3389/fnins.2019.00601] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 05/27/2019] [Indexed: 12/11/2022] Open
Abstract
Although amyotrophic lateral sclerosis (ALS) has been considered as a disorder of the motor neuron (MN) cell body, recent evidences show the non-cell-autonomous pathogenic nature of the disease. Axonal degeneration, loss of peripheral axons and destruction of nerve terminals are early events in the disease pathogenic cascade, anticipating MN degeneration, and the onset of clinical symptoms. Therefore, although ALS and peripheral axonal neuropathies should be differentiated in clinical practice, they also share damage to common molecular pathways, including axonal transport, RNA metabolism and proteostasis. Thus, an extensive evaluation of the molecular events occurring in the peripheral nervous system (PNS) could be fundamental to understand the pathogenic mechanisms of ALS, favoring the discovery of potential disease biomarkers, and new therapeutic targets.
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Affiliation(s)
- Francesco Gentile
- Experimental Neuropathology Unit, Division of Neuroscience, Institute of Experimental Neurology – San Raffaele Scientific Institute, Milan, Italy
| | - Stefania Scarlino
- Experimental Neuropathology Unit, Division of Neuroscience, Institute of Experimental Neurology – San Raffaele Scientific Institute, Milan, Italy
| | - Yuri Matteo Falzone
- Experimental Neuropathology Unit, Division of Neuroscience, Institute of Experimental Neurology – San Raffaele Scientific Institute, Milan, Italy
- Department of Neurology, San Raffaele Scientific Institute, Milan, Italy
| | | | - Lucio Tremolizzo
- Neurology Unit, ALS Clinic, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy
| | - Angelo Quattrini
- Experimental Neuropathology Unit, Division of Neuroscience, Institute of Experimental Neurology – San Raffaele Scientific Institute, Milan, Italy
| | - Nilo Riva
- Experimental Neuropathology Unit, Division of Neuroscience, Institute of Experimental Neurology – San Raffaele Scientific Institute, Milan, Italy
- Department of Neurology, San Raffaele Scientific Institute, Milan, Italy
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9
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Andréasson M, Lagerstedt-Robinson K, Samuelsson K, Solders G, Blennow K, Paucar M, Svenningsson P. Altered CSF levels of monoamines in hereditary spastic paraparesis 10: A case series. NEUROLOGY-GENETICS 2019; 5:e344. [PMID: 31403080 PMCID: PMC6659133 DOI: 10.1212/nxg.0000000000000344] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 05/13/2019] [Indexed: 12/13/2022]
Abstract
Objective To perform a comprehensive clinical characterization and biochemical CSF profile analyses in 2 Swedish families with hereditary spastic paraparesis (HSP) 10 (SPG10) caused by 2 different mutations in the neuronal kinesin heavy chain gene (KIF5A). Methods Structured clinical assessment, genetic studies, and neuroradiologic and electrophysiological evaluations were performed in 4 patients from 2 families with SPG10. Additional CSF analysis was conducted in 3 patients with regard to levels of neurodegenerative markers and monoamine metabolism. Results All patients exhibited a complex form of HSP with a mild to moderate concurrent axonal polyneuropathy. The heterozygous missense mutations c.767A>G and c.967C>T in KIF5A were found. Wide intrafamilial phenotype variability was evident in both families. CSF analysis demonstrated a mild elevation of neurofilament light (NFL) chain in the patient with longest disease duration. Unexpectedly, all patients exhibited increased levels of the dopamine metabolite, homovanillic acid, whereas decreased levels of the noradrenergic metabolite, 3-methoxy-4-hydroxyphenylglycol, were found in 2 of 3 patients. Conclusions We report on CSF abnormalities in SPG10, demonstrating that NFL elevation is not a mandatory finding but may appear after long-standing disease. Impaired transportation of synaptic proteins may be a possible explanation for the increased dopaminergic turnover and noradrenergic deficiency identified. The reasons for these selective abnormalities, unrelated to obvious clinical features, remain to be explained. Our findings need further confirmation in larger cohorts of patients harboring KIF5A mutations.
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Affiliation(s)
- Mattias Andréasson
- Department of Neurology (M.A., K.S., G.S., M.P., P.S.), Karolinska University Hospital; Center for Neurology (M.A., P.S.), Academic Specialist Center; Department of Molecular Medicine and Surgery (K.L.-R.), Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital; Department of Clinical Neurophysiology (G.S.), Karolinska University Hospital, Stockholm; Department of Clinical Neuroscience (K.B.), University of Gothenburg; and Department of Clinical Neuroscience (M.A., K.S., G.S., M.P., P.S.), Karolinska Institutet, Stockholm, Sweden
| | - Kristina Lagerstedt-Robinson
- Department of Neurology (M.A., K.S., G.S., M.P., P.S.), Karolinska University Hospital; Center for Neurology (M.A., P.S.), Academic Specialist Center; Department of Molecular Medicine and Surgery (K.L.-R.), Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital; Department of Clinical Neurophysiology (G.S.), Karolinska University Hospital, Stockholm; Department of Clinical Neuroscience (K.B.), University of Gothenburg; and Department of Clinical Neuroscience (M.A., K.S., G.S., M.P., P.S.), Karolinska Institutet, Stockholm, Sweden
| | - Kristin Samuelsson
- Department of Neurology (M.A., K.S., G.S., M.P., P.S.), Karolinska University Hospital; Center for Neurology (M.A., P.S.), Academic Specialist Center; Department of Molecular Medicine and Surgery (K.L.-R.), Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital; Department of Clinical Neurophysiology (G.S.), Karolinska University Hospital, Stockholm; Department of Clinical Neuroscience (K.B.), University of Gothenburg; and Department of Clinical Neuroscience (M.A., K.S., G.S., M.P., P.S.), Karolinska Institutet, Stockholm, Sweden
| | - Göran Solders
- Department of Neurology (M.A., K.S., G.S., M.P., P.S.), Karolinska University Hospital; Center for Neurology (M.A., P.S.), Academic Specialist Center; Department of Molecular Medicine and Surgery (K.L.-R.), Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital; Department of Clinical Neurophysiology (G.S.), Karolinska University Hospital, Stockholm; Department of Clinical Neuroscience (K.B.), University of Gothenburg; and Department of Clinical Neuroscience (M.A., K.S., G.S., M.P., P.S.), Karolinska Institutet, Stockholm, Sweden
| | - Kaj Blennow
- Department of Neurology (M.A., K.S., G.S., M.P., P.S.), Karolinska University Hospital; Center for Neurology (M.A., P.S.), Academic Specialist Center; Department of Molecular Medicine and Surgery (K.L.-R.), Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital; Department of Clinical Neurophysiology (G.S.), Karolinska University Hospital, Stockholm; Department of Clinical Neuroscience (K.B.), University of Gothenburg; and Department of Clinical Neuroscience (M.A., K.S., G.S., M.P., P.S.), Karolinska Institutet, Stockholm, Sweden
| | - Martin Paucar
- Department of Neurology (M.A., K.S., G.S., M.P., P.S.), Karolinska University Hospital; Center for Neurology (M.A., P.S.), Academic Specialist Center; Department of Molecular Medicine and Surgery (K.L.-R.), Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital; Department of Clinical Neurophysiology (G.S.), Karolinska University Hospital, Stockholm; Department of Clinical Neuroscience (K.B.), University of Gothenburg; and Department of Clinical Neuroscience (M.A., K.S., G.S., M.P., P.S.), Karolinska Institutet, Stockholm, Sweden
| | - Per Svenningsson
- Department of Neurology (M.A., K.S., G.S., M.P., P.S.), Karolinska University Hospital; Center for Neurology (M.A., P.S.), Academic Specialist Center; Department of Molecular Medicine and Surgery (K.L.-R.), Karolinska Institutet, and Department of Clinical Genetics, Karolinska University Hospital; Department of Clinical Neurophysiology (G.S.), Karolinska University Hospital, Stockholm; Department of Clinical Neuroscience (K.B.), University of Gothenburg; and Department of Clinical Neuroscience (M.A., K.S., G.S., M.P., P.S.), Karolinska Institutet, Stockholm, Sweden
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10
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Kinesins: Motor Proteins as Novel Target for the Treatment of Chronic Pain. Mol Neurobiol 2018; 56:3854-3864. [DOI: 10.1007/s12035-018-1327-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 08/21/2018] [Indexed: 10/28/2022]
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11
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Cuperfain AB, Zhang ZL, Kennedy JL, Gonçalves VF. The Complex Interaction of Mitochondrial Genetics and Mitochondrial Pathways in Psychiatric Disease. MOLECULAR NEUROPSYCHIATRY 2018; 4:52-69. [PMID: 29998118 DOI: 10.1159/000488031] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 02/27/2018] [Indexed: 12/18/2022]
Abstract
While accounting for only 2% of the body's weight, the brain utilizes up to 20% of the body's total energy. Not surprisingly, metabolic dysfunction and energy supply-and-demand mismatch have been implicated in a variety of neurological and psychiatric disorders. Mitochondria are responsible for providing the brain with most of its energetic demands, and the brain uses glucose as its exclusive energy source. Exploring the role of mitochondrial dysfunction in the etiology of psychiatric disease is a promising avenue to investigate further. Genetic analysis of mitochondrial activity is a cornerstone in understanding disease pathogenesis related to metabolic dysfunction. In concert with neuroimaging and pathological study, genetics provides an important bridge between biochemical findings and clinical correlates in psychiatric disease. Mitochondrial genetics has several unique aspects to its analysis, and corresponding special considerations. Here, we review the components of mitochondrial genetic analysis - nuclear DNA, mitochon-drial DNA, mitochondrial pathways, pseudogenes, nuclear-mitochondrial mismatch, and microRNAs - that could contribute to an observable clinical phenotype. Throughout, we highlight psychiatric diseases that can arise due to dysfunction in these processes, with a focus on schizophrenia and bipolar disorder.
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Affiliation(s)
- Ari B Cuperfain
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.,Neuroscience Section, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Zhi Lun Zhang
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.,Neuroscience Section, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - James L Kennedy
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.,Neuroscience Section, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Vanessa F Gonçalves
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.,Neuroscience Section, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
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12
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Dohrn MF, Glöckle N, Mulahasanovic L, Heller C, Mohr J, Bauer C, Riesch E, Becker A, Battke F, Hörtnagel K, Hornemann T, Suriyanarayanan S, Blankenburg M, Schulz JB, Claeys KG, Gess B, Katona I, Ferbert A, Vittore D, Grimm A, Wolking S, Schöls L, Lerche H, Korenke GC, Fischer D, Schrank B, Kotzaeridou U, Kurlemann G, Dräger B, Schirmacher A, Young P, Schlotter-Weigel B, Biskup S. Frequent genes in rare diseases: panel-based next generation sequencing to disclose causal mutations in hereditary neuropathies. J Neurochem 2017; 143:507-522. [DOI: 10.1111/jnc.14217] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Revised: 08/30/2017] [Accepted: 09/07/2017] [Indexed: 12/26/2022]
Affiliation(s)
- Maike F. Dohrn
- CeGaT GmbH and Praxis für Humangenetik Tübingen; Tuebingen Germany
- Department of Neurology; Medical Faculty; RWTH Aachen University; Aachen Germany
| | - Nicola Glöckle
- CeGaT GmbH and Praxis für Humangenetik Tübingen; Tuebingen Germany
| | | | - Corina Heller
- CeGaT GmbH and Praxis für Humangenetik Tübingen; Tuebingen Germany
| | - Julia Mohr
- CeGaT GmbH and Praxis für Humangenetik Tübingen; Tuebingen Germany
| | - Christine Bauer
- CeGaT GmbH and Praxis für Humangenetik Tübingen; Tuebingen Germany
| | - Erik Riesch
- CeGaT GmbH and Praxis für Humangenetik Tübingen; Tuebingen Germany
| | - Andrea Becker
- CeGaT GmbH and Praxis für Humangenetik Tübingen; Tuebingen Germany
| | - Florian Battke
- CeGaT GmbH and Praxis für Humangenetik Tübingen; Tuebingen Germany
| | | | - Thorsten Hornemann
- Institute for Clinical Chemistry; University Hospital Zürich; Zurich Switzerland
| | | | - Markus Blankenburg
- Department of Pediatric Neurology Klinikum Stuttgart; Olgahospital, Stuttgart Germany
- Faculty of Health; Witten/Herdecke University; Witten Germany
| | - Jörg B. Schulz
- Department of Neurology; Medical Faculty; RWTH Aachen University; Aachen Germany
- JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging; Forschungszentrum Jülich GmbH and RWTH Aachen University; Aachen Germany
| | - Kristl G. Claeys
- Department of Neurology; University Hospitals Leuven and University of Leuven (KU Leuven); Leuven Belgium
| | - Burkhard Gess
- Department of Neurology; Medical Faculty; RWTH Aachen University; Aachen Germany
| | - Istvan Katona
- Institute of Neuropathology; Medical Faculty; RWTH Aachen University; Aachen Germany
| | | | - Debora Vittore
- Department of Neurology and Epileptology; Hertie Institute for Clinical Brain Research; University of Tübingen; Tuebingen Germany
| | - Alexander Grimm
- Department of Neurology and Epileptology; Hertie Institute for Clinical Brain Research; University of Tübingen; Tuebingen Germany
| | - Stefan Wolking
- Department of Neurology and Epileptology; Hertie Institute for Clinical Brain Research; University of Tübingen; Tuebingen Germany
| | - Ludger Schöls
- Department of Neurology and Epileptology; Hertie Institute for Clinical Brain Research; University of Tübingen; Tuebingen Germany
| | - Holger Lerche
- Department of Neurology and Epileptology; Hertie Institute for Clinical Brain Research; University of Tübingen; Tuebingen Germany
| | | | - Dirk Fischer
- Department of Neurology; University of Basel Hospital; Basel Switzerland
| | - Bertold Schrank
- Department of Neurology; Deutsche Klinik für Diagnostik; Wiesbaden Germany
| | - Urania Kotzaeridou
- Department of General Pediatrics; Division of Inherited Metabolic Diseases; University Children's Hospital; Heidelberg Germany
| | - Gerhard Kurlemann
- Department of Neuropediatrics; University Hospital Münster; Muenster Germany
| | - Bianca Dräger
- Department of Sleep Medicine and Neuromuscular Disorders; University Hospital Münster; Muenster Germany
| | - Anja Schirmacher
- Department of Sleep Medicine and Neuromuscular Disorders; University Hospital Münster; Muenster Germany
| | - Peter Young
- Department of Sleep Medicine and Neuromuscular Disorders; University Hospital Münster; Muenster Germany
| | - Beate Schlotter-Weigel
- Department of Neurology; Friedrich-Baur-Institute; Ludwig-Maximilians-University of Munich; Munich Germany
| | - Saskia Biskup
- CeGaT GmbH and Praxis für Humangenetik Tübingen; Tuebingen Germany
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13
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Nam DE, Yoo DH, Choi SS, Choi BO, Chung KW. Wide phenotypic spectrum in axonal Charcot-Marie-Tooth neuropathy type 2 patients with KIF5A mutations. Genes Genomics 2017; 40:77-84. [PMID: 29892902 DOI: 10.1007/s13258-017-0612-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 09/14/2017] [Indexed: 01/07/2023]
Abstract
The kinesin heavy chain isoform 5A (KIF5A) gene, which encodes a microtubule-based motor protein, plays an important role in the transport of organelles in the nerve cells. Mutations in the KIF5A showed a wide phenotypic spectrum from hereditary spastic paraplegia (HSP) to axonal Charcot-Marie-Tooth peripheral neuropathy type 2 (CMT2). This study identified three pathogenic KIF5A mutations in Korean CMT2 patients by whole exome sequencing. Two mutations (p.Arg204Trp and p.Arg280His) were previously reported, but p.Leu558Pro was determined to be a novel de novo mutation. All the mutations were not observed in the healthy controls and were located in highly conserved domains among vertebrate species. The p.Arg204Trp mutation was identified from a CMT2 patient with additional complex phenotypes of HSP, ataxia, fatigability and pyramidal sign, but the p.Arg280His and p.Leu588Pro mutations were identified in each axonal CMT2 patient. The p.Arg204Trp mutation was previously reported in a HSP patient with no CMT symptom. The p.Arg280His mutation was reported in a CMT2 patient, which was similarly with our case. However, it was also once reported in a HSP patient with pes cavus. As the first report in Korea, this study identified three KIF5A mutations as the underlying cause of axonal peripheral neuropathy with or without the HSP phenotype. We confirmed a wide inter- and intra-allelic phenotypic spectrum by the mutations in the KIF5A.
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Affiliation(s)
- Da Eun Nam
- Department of Biological Sciences, Kongju National University, 56 Gonjudaehak-ro, Gongju, 32588, South Korea
| | - Da Hye Yoo
- Department of Biological Sciences, Kongju National University, 56 Gonjudaehak-ro, Gongju, 32588, South Korea
| | - Sun Seong Choi
- Department of Biological Sciences, Kongju National University, 56 Gonjudaehak-ro, Gongju, 32588, South Korea
| | - Byung-Ok Choi
- Department of Neurology, and Stem Cell & Regenerative Medicine Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul, 06351, South Korea. .,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Science & Technology, Sungkyunkwan University, 81 Irwon-ro, Gangnam-gu, Seoul, 06351, South Korea.
| | - Ki Wha Chung
- Department of Biological Sciences, Kongju National University, 56 Gonjudaehak-ro, Gongju, 32588, South Korea.
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An emerging role for mitochondrial dynamics in schizophrenia. Schizophr Res 2017; 187:26-32. [PMID: 28526279 PMCID: PMC5646380 DOI: 10.1016/j.schres.2017.05.003] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 04/25/2017] [Accepted: 05/01/2017] [Indexed: 12/27/2022]
Abstract
Abnormal brain development has long been thought to contribute to the pathophysiology of schizophrenia. Impaired dendritic arborization, synaptogenesis, and long term potentiation and memory have been demonstrated in animal models of schizophrenia. In addition to aberrant nervous system development, altered brain metabolism and mitochondrial function has long been observed in schizophrenic patients. Single nucleotide polymorphisms in the mitochondrial genome as well as impaired mitochondrial function have both been associated with increased risk for developing schizophrenia. Mitochondrial function in neurons is highly dependent on fission, fusion, and transport of the organelle, collectively referred to as mitochondrial dynamics. Indeed, there is mounting evidence that mitochondrial dynamics strongly influences neuron development and synaptic transmission. While there are a few studies describing altered mitochondrial shape in schizophrenic patients, as well as in animal and in vitro models of schizophrenia, the precise role of mitochondrial dynamics in the pathophysiology of schizophrenia is all but unexplored. Here we discuss the influence of mitochondrial dynamics and mitochondrial function on nervous system development, and highlight recent work suggesting a link between aberrant mitochondrial dynamics and schizophrenia.
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15
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De Vos KJ, Hafezparast M. Neurobiology of axonal transport defects in motor neuron diseases: Opportunities for translational research? Neurobiol Dis 2017; 105:283-299. [PMID: 28235672 PMCID: PMC5536153 DOI: 10.1016/j.nbd.2017.02.004] [Citation(s) in RCA: 146] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 01/26/2017] [Accepted: 02/20/2017] [Indexed: 12/12/2022] Open
Abstract
Intracellular trafficking of cargoes is an essential process to maintain the structure and function of all mammalian cell types, but especially of neurons because of their extreme axon/dendrite polarisation. Axonal transport mediates the movement of cargoes such as proteins, mRNA, lipids, membrane-bound vesicles and organelles that are mostly synthesised in the cell body and in doing so is responsible for their correct spatiotemporal distribution in the axon, for example at specialised sites such as nodes of Ranvier and synaptic terminals. In addition, axonal transport maintains the essential long-distance communication between the cell body and synaptic terminals that allows neurons to react to their surroundings via trafficking of for example signalling endosomes. Axonal transport defects are a common observation in a variety of neurodegenerative diseases, and mutations in components of the axonal transport machinery have unequivocally shown that impaired axonal transport can cause neurodegeneration (reviewed in El-Kadi et al., 2007, De Vos et al., 2008; Millecamps and Julien, 2013). Here we review our current understanding of axonal transport defects and the role they play in motor neuron diseases (MNDs) with a specific focus on the most common form of MND, amyotrophic lateral sclerosis (ALS).
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Affiliation(s)
- Kurt J De Vos
- Sheffield Institute for Translational Neuroscience, Department of Neuroscience, University of Sheffield, Sheffield S10 2HQ, UK.
| | - Majid Hafezparast
- Neuroscience, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QG, UK.
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16
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Jennings S, Chenevert M, Liu L, Mottamal M, Wojcik EJ, Huckaba TM. Characterization of kinesin switch I mutations that cause hereditary spastic paraplegia. PLoS One 2017; 12:e0180353. [PMID: 28678816 PMCID: PMC5498027 DOI: 10.1371/journal.pone.0180353] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 06/14/2017] [Indexed: 11/18/2022] Open
Abstract
Kif5A is a neuronally-enriched isoform of the Kinesin-1 family of cellular transport motors. 23 separate mutations in the motor domain of Kif5A have been identified in patients with the complicated form of hereditary spastic paraplegia (HSP). We performed in vitro assays on dimeric recombinant Kif5A with HSP-causing mutations in the Switch I domain, which participates in the coordination and hydrolysis of ATP by kinesin. We observed a variety of significantly reduced catalytic and mechanical activities as a result of each mutation, with the shared phenotype from each that motility was significantly reduced. Substitution of Mn2+ for Mg2+ in our reaction buffers provides a dose-dependent rescue in both the catalytic and ensemble mechanical properties of the S203C mutant. This work provides mechanistic insight into the cause of HSP in patients with these mutations and points to future experiments to further dissect the root cause of this disease.
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Affiliation(s)
- Scott Jennings
- Department of Biology, Xavier University of Louisiana, New Orleans, Louisiana, United States of America
| | - Madeline Chenevert
- Department of Biology, Xavier University of Louisiana, New Orleans, Louisiana, United States of America
| | - Liqiong Liu
- Department of Biochemistry and Molecular Biology, LSU School of Medicine & Health Sciences Center, New Orleans, Louisiana, United States of America
| | - Madhusoodanan Mottamal
- RCMI Molecular Modeling Core, Xavier University of Louisiana, New Orleans, Louisiana, United States of America
| | - Edward J. Wojcik
- Department of Biochemistry and Molecular Biology, LSU School of Medicine & Health Sciences Center, New Orleans, Louisiana, United States of America
| | - Thomas M. Huckaba
- Department of Biology, Xavier University of Louisiana, New Orleans, Louisiana, United States of America
- * E-mail:
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