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Yoshioka N, Kurose M, Sano H, Tran DM, Chiken S, Tainaka K, Yamamura K, Kobayashi K, Nambu A, Takebayashi H. Sensory-motor circuit is a therapeutic target for dystonia musculorum mice, a model of hereditary sensory and autonomic neuropathy 6. SCIENCE ADVANCES 2024; 10:eadj9335. [PMID: 39058787 PMCID: PMC11277474 DOI: 10.1126/sciadv.adj9335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 06/25/2024] [Indexed: 07/28/2024]
Abstract
Mutations in Dystonin (DST), which encodes cytoskeletal linker proteins, cause hereditary sensory and autonomic neuropathy 6 (HSAN-VI) in humans and the dystonia musculorum (dt) phenotype in mice; however, the neuronal circuit underlying the HSAN-VI and dt phenotype is unresolved. dt mice exhibit dystonic movements accompanied by the simultaneous contraction of agonist and antagonist muscles and postnatal lethality. Here, we identified the sensory-motor circuit as a major causative neural circuit using a gene trap system that enables neural circuit-selective inactivation and restoration of Dst by Cre-mediated recombination. Sensory neuron-selective Dst deletion led to motor impairment, degeneration of proprioceptive sensory neurons, and disruption of the sensory-motor circuit. Restoration of Dst expression in sensory neurons using Cre driver mice or a single postnatal injection of Cre-expressing adeno-associated virus ameliorated sensory degeneration and improved abnormal movements. These findings demonstrate that the sensory-motor circuit is involved in the movement disorders in dt mice and that the sensory circuit is a therapeutic target for HSAN-VI.
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Affiliation(s)
- Nozomu Yoshioka
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
- Transdisciplinary Research Programs, Niigata University, Niigata, Japan
| | - Masayuki Kurose
- Department of Physiology, School of Dentistry, Iwate Medical University, Yahaba, Japan
- Division of Oral Physiology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Hiromi Sano
- Division of System Neurophysiology, National Institute for Physiological Sciences, Okazaki, Japan
- Physiological Sciences, SOKENDAI, Okazaki, Japan
- Division of Behavioral Neuropharmacology, International Center for Brain Science, Fujita Health University, Toyoake, Japan
| | - Dang Minh Tran
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Satomi Chiken
- Division of System Neurophysiology, National Institute for Physiological Sciences, Okazaki, Japan
- Physiological Sciences, SOKENDAI, Okazaki, Japan
| | - Kazuki Tainaka
- Department of System Pathology for Neurological Disorders, Brain Research Institute, Niigata University, Niigata, Japan
| | - Kensuke Yamamura
- Division of Oral Physiology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Kenta Kobayashi
- Section of Viral Vector Development, National Institute for Physiological Sciences, Okazaki, Japan
| | - Atsushi Nambu
- Division of System Neurophysiology, National Institute for Physiological Sciences, Okazaki, Japan
- Physiological Sciences, SOKENDAI, Okazaki, Japan
| | - Hirohide Takebayashi
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
- Center for Coordination of Research Facilities, Niigata University, Niigata, Japan
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Lalonde R, Strazielle C. The DST gene in neurobiology. J Neurogenet 2023; 37:131-138. [PMID: 38465459 DOI: 10.1080/01677063.2024.2319880] [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: 09/07/2023] [Accepted: 02/13/2024] [Indexed: 03/12/2024]
Abstract
DST is a gene whose alternative splicing yields epithelial, neuronal, and muscular isoforms. The autosomal recessive Dstdt (dystonia musculorum) spontaneous mouse mutation causes degeneration of spinocerebellar tracts as well as peripheral sensory nerves, dorsal root ganglia, and cranial nerve ganglia. In addition to Dstdt mutants, axonopathy and neurofilament accumulation in perikarya are features of two other murine lines with spontaneous Dst mutations, targeted Dst knockout mice, DstTg4 transgenic mice carrying two deleted Dst exons, DstGt mice with trapped actin-binding domain-containing isoforms, and conditional Schwann cell-specific Dst knockout mice. As a result of nerve damage, Dstdt mutants display dystonia and ataxia, as seen in several genetically modified models and their motor coordination deficits have been quantified along with the spontaneous Dst nonsense mutant, the conditional Schwann cell-specific Dst knockout, the conditional DstGt mutant, and the Dst-b isoform specific Dst mutant. Recent findings in humans have associated DST mutations of the Dst-b isoform with hereditary sensory and autonomic neuropathies type 6 (HSAN-VI). These data should further encourage the development of genetic techniques to treat or prevent ataxic and dystonic symptoms.
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Affiliation(s)
- Robert Lalonde
- Université de Lorraine, Laboratoire Stress, Immunité, Pathogènes (EA7300), Faculté de Médecine, Vandœuvre-les-Nancy, France
| | - Catherine Strazielle
- Université de Lorraine, Laboratoire Stress, Immunité, Pathogènes (EA7300), Faculté de Médecine, Vandœuvre-les-Nancy, France
- CHRU Nancy, Vandœuvre-les-Nancy, France
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Horie M, Yoshioka N, Kusumi S, Sano H, Kurose M, Watanabe‐Iida I, Hossain I, Chiken S, Abe M, Yamamura K, Sakimura K, Nambu A, Shibata M, Takebayashi H. Disruption of
dystonin
in Schwann cells results in late‐onset neuropathy and sensory ataxia. Glia 2020; 68:2330-2344. [DOI: 10.1002/glia.23843] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/26/2020] [Accepted: 04/28/2020] [Indexed: 01/26/2023]
Affiliation(s)
- Masao Horie
- Division of Neurobiology and AnatomyGraduate School of Medical and Dental Sciences, Niigata University Niigata Japan
- Department of Morphological SciencesKagoshima University Kagoshima Japan
- Department of NursingNiigata College of Nursing Niigata Japan
| | - Nozomu Yoshioka
- Division of Neurobiology and AnatomyGraduate School of Medical and Dental Sciences, Niigata University Niigata Japan
| | - Satoshi Kusumi
- Department of Morphological SciencesKagoshima University Kagoshima Japan
| | - Hiromi Sano
- Division of System NeurophysiologyNational Institute for Physiological Sciences Okazaki Japan
- Department of Physiological SciencesSOKENDAI Okazaki Japan
| | - Masayuki Kurose
- Division of Oral PhysiologyGraduate School of Medical and Dental Sciences, Niigata University Niigata Japan
- Department of Physiology, School of Dentistry, Iwate Medical University Morioka Japan
| | - Izumi Watanabe‐Iida
- Department of Cellular NeurobiologyBrain Research Institute, Niigata University Niigata Japan
- Division of Oral Biochemistry, Graduate School of Medical and Dental Sciences, Niigata University Niigata Japan
| | - Ibrahim Hossain
- Division of Neurobiology and AnatomyGraduate School of Medical and Dental Sciences, Niigata University Niigata Japan
- Department of Biochemistry and Molecular BiologyJahangirnagar University Savar Dhaka Bangladesh
| | - Satomi Chiken
- Division of System NeurophysiologyNational Institute for Physiological Sciences Okazaki Japan
- Department of Physiological SciencesSOKENDAI Okazaki Japan
| | - Manabu Abe
- Department of Cellular NeurobiologyBrain Research Institute, Niigata University Niigata Japan
- Department of Animal Model DevelopmentBrain Research Institute, Niigata University Niigata Japan
| | - Kensuke Yamamura
- Division of Oral PhysiologyGraduate School of Medical and Dental Sciences, Niigata University Niigata Japan
| | - Kenji Sakimura
- Department of Cellular NeurobiologyBrain Research Institute, Niigata University Niigata Japan
- Department of Animal Model DevelopmentBrain Research Institute, Niigata University Niigata Japan
| | - Atsushi Nambu
- Division of System NeurophysiologyNational Institute for Physiological Sciences Okazaki Japan
- Department of Physiological SciencesSOKENDAI Okazaki Japan
| | - Masahiro Shibata
- Department of Morphological SciencesKagoshima University Kagoshima Japan
| | - Hirohide Takebayashi
- Division of Neurobiology and AnatomyGraduate School of Medical and Dental Sciences, Niigata University Niigata Japan
- Center for Coordination of Research FacilitiesNiigata University Niigata Japan
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Yoshioka N, Kabata Y, Kuriyama M, Bizen N, Zhou L, Tran DM, Yano M, Yoshiki A, Ushiki T, Sproule TJ, Abe R, Takebayashi H. Diverse dystonin gene mutations cause distinct patterns of Dst isoform deficiency and phenotypic heterogeneity in Dystonia musculorum mice. Dis Model Mech 2020; 13:dmm041608. [PMID: 32482619 PMCID: PMC7325434 DOI: 10.1242/dmm.041608] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 03/11/2020] [Indexed: 02/02/2023] Open
Abstract
Loss-of-function mutations in dystonin (DST) can cause hereditary sensory and autonomic neuropathy type 6 (HSAN-VI) or epidermolysis bullosa simplex (EBS). Recently, DST-related diseases were recognized to be more complex than previously thought because a patient exhibited both neurological and skin manifestations, whereas others display only one or the other. A single DST locus produces at least three major DST isoforms: DST-a (neuronal isoform), DST-b (muscular isoform) and DST-e (epithelial isoform). Dystonia musculorum (dt) mice, which have mutations in Dst, were originally identified as spontaneous mutants displaying neurological phenotypes. To reveal the mechanisms underlying the phenotypic heterogeneity of DST-related diseases, we investigated two mutant strains with different mutations: a spontaneous Dst mutant (Dstdt-23Rbrc mice) and a gene-trap mutant (DstGt mice). The Dstdt-23Rbrc allele possesses a nonsense mutation in an exon shared by all Dst isoforms. The DstGt allele is predicted to inactivate Dst-a and Dst-b isoforms but not Dst-e There was a decrease in the levels of Dst-a mRNA in the neural tissue of both Dstdt-23Rbrc and DstGt homozygotes. Loss of sensory and autonomic nerve ends in the skin was observed in both Dstdt-23Rbrc and DstGt mice at postnatal stages. In contrast, Dst-e mRNA expression was reduced in the skin of Dstdt-23Rbrc mice but not in DstGt mice. Expression levels of Dst proteins in neural and cutaneous tissues correlated with Dst mRNAs. Because Dst-e encodes a structural protein in hemidesmosomes (HDs), we performed transmission electron microscopy. Lack of inner plaques and loss of keratin filament invasions underneath the HDs were observed in the basal keratinocytes of Dstdt-23Rbrc mice but not in those of DstGt mice; thus, the distinct phenotype of the skin of Dstdt-23Rbrc mice could be because of failure of Dst-e expression. These results indicate that distinct mutations within the Dst locus can cause different loss-of-function patterns among Dst isoforms, which accounts for the heterogeneous neural and skin phenotypes in dt mice and DST-related diseases.
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Affiliation(s)
- Nozomu Yoshioka
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
- Transdiciplinary Research Programs, Niigata University, Niigata 950-2181, Japan
| | - Yudai Kabata
- Division of Dermatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | - Momona Kuriyama
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | - Norihisa Bizen
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | - Li Zhou
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
- Center for Coordination of Research Facilities, Niigata University, Niigata 951-8510, Japan
| | - Dang M Tran
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | - Masato Yano
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | | | - Tatsuo Ushiki
- Division of Microscopic Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | | | - Riichiro Abe
- Division of Dermatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | - Hirohide Takebayashi
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
- Center for Coordination of Research Facilities, Niigata University, Niigata 951-8510, Japan
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Temporal and partial inhibition of GLI1 in neural stem cells (NSCs) results in the early maturation of NSC derived oligodendrocytes in vitro. Stem Cell Res Ther 2019; 10:272. [PMID: 31455382 PMCID: PMC6712625 DOI: 10.1186/s13287-019-1374-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 08/05/2019] [Accepted: 08/06/2019] [Indexed: 11/30/2022] Open
Abstract
Background Oligodendrocytes are a type of glial cells that synthesize the myelin sheath around the axons and are critical for the nerve conduction in the CNS. Oligodendrocyte death and defects are the leading causes of several myelin disorders such as multiple sclerosis, progressive multifocal leukoencephalopathy, periventricular leukomalacia, and several leukodystrophies. Temporal activation of the Sonic Hedgehog (SHH) pathway is critical for the generation of oligodendrocyte progenitors, and their differentiation and maturation in the brain and spinal cord during embryonic development in mammals. Methods Our protocol utilized adherent cultures of human induced pluripotent stem cells (iPSC) and human embryonic stem cells (hESCs) with a green fluorescent protein (GFP) reporter knocked into one allele of the OLIG2 gene locus, dual SMAD inhibition, and transient partial inhibition of glioma-associated oncogene 1 (GLI1) by the small molecule GANT61 during the formation of the SOX2/PAX6-positive neural stem cells (NSCs). The SHH pathway was later restimulated by a Smoothened agonist purmorphamine to induce the generation of OLIG2 glial precursors. One hundred ninety-two individual oligodendrocyte precursor cells (OPCs) from GANT61 and control group were analyzed by single-cell RNA sequencing (RNA-Seq). Results We demonstrate here that transient and partial inhibition of the SHH pathway transcription factor GLI1 in NSCs by a small molecule inhibitor GANT61 was found to generate OPCs that were more migratory and could differentiate earlier toward myelin-producing oligodendrocytes. Single-cell transcriptomic analysis (RNA-Seq) showed that GANT61-NSC-derived oligodendrocyte precursor cells (OPCs) had differential activation of some of the genes in the cytoskeleton rearrangement pathways that are involved in OPC motility and induction of maturation. At the protein level, this was also associated with higher levels of myelin-specific genes in the GANT61 group compared to controls. GANT61-NSC-derived OPCs were functional and could generate compact myelin in vitro and in vivo after transplantation in myelin-deficient shiverer mice. Conclusions This is a small molecule-based in vitro protocol that leads to the faster generation of functional oligodendrocytes. The development of protocols that lead to efficient and faster differentiation of oligodendrocytes from progenitors provides important advances toward the development of autologous neural stem cell-based therapies using human iPSCs. Electronic supplementary material The online version of this article (10.1186/s13287-019-1374-y) contains supplementary material, which is available to authorized users.
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