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Huang S, Dong W, Lin X, Bian J. Na+/K+-ATPase: ion pump, signal transducer, or cytoprotective protein, and novel biological functions. Neural Regen Res 2024; 19:2684-2697. [PMID: 38595287 DOI: 10.4103/nrr.nrr-d-23-01175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 12/09/2023] [Indexed: 04/11/2024] Open
Abstract
Na+/K+-ATPase is a transmembrane protein that has important roles in the maintenance of electrochemical gradients across cell membranes by transporting three Na+ out of and two K+ into cells. Additionally, Na+/K+-ATPase participates in Ca2+-signaling transduction and neurotransmitter release by coordinating the ion concentration gradient across the cell membrane. Na+/K+-ATPase works synergistically with multiple ion channels in the cell membrane to form a dynamic network of ion homeostatic regulation and affects cellular communication by regulating chemical signals and the ion balance among different types of cells. Therefore, it is not surprising that Na+/K+-ATPase dysfunction has emerged as a risk factor for a variety of neurological diseases. However, published studies have so far only elucidated the important roles of Na+/K+-ATPase dysfunction in disease development, and we are lacking detailed mechanisms to clarify how Na+/K+-ATPase affects cell function. Our recent studies revealed that membrane loss of Na+/K+-ATPase is a key mechanism in many neurological disorders, particularly stroke and Parkinson's disease. Stabilization of plasma membrane Na+/K+-ATPase with an antibody is a novel strategy to treat these diseases. For this reason, Na+/K+-ATPase acts not only as a simple ion pump but also as a sensor/regulator or cytoprotective protein, participating in signal transduction such as neuronal autophagy and apoptosis, and glial cell migration. Thus, the present review attempts to summarize the novel biological functions of Na+/K+-ATPase and Na+/K+-ATPase-related pathogenesis. The potential for novel strategies to treat Na+/K+-ATPase-related brain diseases will also be discussed.
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Affiliation(s)
- Songqiang Huang
- Department of Pharmacology, Joint Laboratory of Guangdong-Hong Kong Universities for Vascular Homeostasis and Diseases, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, China
| | - Wanting Dong
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Xiaoqian Lin
- Department of Pharmacology, Joint Laboratory of Guangdong-Hong Kong Universities for Vascular Homeostasis and Diseases, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, China
| | - Jinsong Bian
- Department of Pharmacology, Joint Laboratory of Guangdong-Hong Kong Universities for Vascular Homeostasis and Diseases, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, China
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Ko VI, Ong K, Cleveland DW, Yu H, Ravits JM. CK1δ/ε kinases regulate TDP-43 phosphorylation and are therapeutic targets for ALS-related TDP-43 hyperphosphorylation. Neurobiol Dis 2024; 196:106516. [PMID: 38677657 DOI: 10.1016/j.nbd.2024.106516] [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: 03/04/2024] [Revised: 04/21/2024] [Accepted: 04/24/2024] [Indexed: 04/29/2024] Open
Abstract
Hyperphosphorylated TAR DNA-binding protein 43 (TDP-43) aggregates in the cytoplasm of neurons is the neuropathological hallmark of amyotrophic lateral sclerosis (ALS) and a group of neurodegenerative diseases collectively referred to as TDP-43 proteinopathies that includes frontotemporal dementia, Alzheimer's disease, and limbic onset age-related TDP-43 encephalopathy. The mechanism of TDP-43 phosphorylation is poorly understood. Previously we reported casein kinase 1 epsilon gene (CSNK1E gene encoding CK1ε protein) as being tightly correlated with phosphorylated TDP-43 (pTDP-43) pathology. Here we pursued studies to investigate in cellular models and in vitro how CK1ε and CK1δ (a closely related family sub-member) mediate TDP-43 phosphorylation in disease. We first validated the binding interaction between TDP-43 and either CK1δ and CK1ε using kinase activity assays and predictive bioinformatic database. We utilized novel inducible cellular models that generated translocated phosphorylated TDP-43 (pTDP-43) and cytoplasmic aggregation. Reducing CK1 kinase activity with siRNA or small molecule chemical inhibitors resulted in significant reduction of pTDP-43, in both soluble and insoluble protein fractions. We also established CK1δ and CK1ε are the primary kinases that phosphorylate TDP-43 compared to CK2α, CDC7, ERK1/2, p38α/MAPK14, and TTBK1, other identified kinases that have been implicated in TDP-43 phosphorylation. Throughout our studies, we were careful to examine both the soluble and insoluble TDP-43 protein fractions, the critical protein fractions related to protein aggregation diseases. These results identify CK1s as critical kinases involved in TDP-43 hyperphosphorylation and aggregation in cellular models and in vitro, and in turn are potential therapeutic targets by way of CK1δ/ε inhibitors.
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Affiliation(s)
- Vivian I Ko
- Neuroscience Graduate Program, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0624, USA; Department of Neurosciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0624, USA
| | - Kailee Ong
- Department of Neurosciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0624, USA
| | - Don W Cleveland
- Department of Cellular and Molecular Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0624, USA
| | - Haiyang Yu
- Department of Cellular and Molecular Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0624, USA
| | - John M Ravits
- Department of Neurosciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0624, USA.
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Nikel LM, Talbot K, Vahsen BF. Recent insights from human induced pluripotent stem cell models into the role of microglia in amyotrophic lateral sclerosis. Bioessays 2024:e2400054. [PMID: 38713169 DOI: 10.1002/bies.202400054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/25/2024] [Accepted: 04/29/2024] [Indexed: 05/08/2024]
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease, primarily leading to the degeneration of motor neurons. The traditional focus on motor neuron-centric mechanisms has recently shifted towards understanding the contribution of non-neuronal cells, such as microglia, in ALS pathophysiology. Advances in induced pluripotent stem cell (iPSC) technology have enabled the generation of iPSC-derived microglia monocultures and co-cultures to investigate their role in ALS pathogenesis. Here, we briefly review the insights gained from these studies into the role of microglia in ALS. While iPSC-derived microglia monocultures have revealed intrinsic cellular dysfunction due to ALS-associated mutations, microglia-motor neuron co-culture studies have demonstrated neurotoxic effects of mutant microglia on motor neurons. Based on these findings, we briefly discuss currently unresolved questions and how they could be addressed in future studies. iPSC models hold promise for uncovering disease-relevant pathways in ALS and identifying potential therapeutic targets.
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Affiliation(s)
- Lara M Nikel
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
- Dorothy Crowfoot Hodgkin Building, Kavli Institute for Nanoscience Discovery, University of Oxford, Oxford, UK
| | - Kevin Talbot
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
- Dorothy Crowfoot Hodgkin Building, Kavli Institute for Nanoscience Discovery, University of Oxford, Oxford, UK
| | - Björn F Vahsen
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
- Dorothy Crowfoot Hodgkin Building, Kavli Institute for Nanoscience Discovery, University of Oxford, Oxford, UK
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Salzinger A, Ramesh V, Das Sharma S, Chandran S, Thangaraj Selvaraj B. Neuronal Circuit Dysfunction in Amyotrophic Lateral Sclerosis. Cells 2024; 13:792. [PMID: 38786016 PMCID: PMC11120636 DOI: 10.3390/cells13100792] [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: 03/19/2024] [Revised: 04/27/2024] [Accepted: 04/30/2024] [Indexed: 05/25/2024] Open
Abstract
The primary neural circuit affected in Amyotrophic Lateral Sclerosis (ALS) patients is the corticospinal motor circuit, originating in upper motor neurons (UMNs) in the cerebral motor cortex which descend to synapse with the lower motor neurons (LMNs) in the spinal cord to ultimately innervate the skeletal muscle. Perturbation of these neural circuits and consequent loss of both UMNs and LMNs, leading to muscle wastage and impaired movement, is the key pathophysiology observed. Despite decades of research, we are still lacking in ALS disease-modifying treatments. In this review, we document the current research from patient studies, rodent models, and human stem cell models in understanding the mechanisms of corticomotor circuit dysfunction and its implication in ALS. We summarize the current knowledge about cortical UMN dysfunction and degeneration, altered excitability in LMNs, neuromuscular junction degeneration, and the non-cell autonomous role of glial cells in motor circuit dysfunction in relation to ALS. We further highlight the advances in human stem cell technology to model the complex neural circuitry and how these can aid in future studies to better understand the mechanisms of neural circuit dysfunction underpinning ALS.
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Affiliation(s)
- Andrea Salzinger
- UK Dementia Research Institute, University of Edinburgh, Edinburgh EH16 4SB, UK; (A.S.); (V.R.); (S.D.S.); (S.C.)
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh EH16 4SB, UK
| | - Vidya Ramesh
- UK Dementia Research Institute, University of Edinburgh, Edinburgh EH16 4SB, UK; (A.S.); (V.R.); (S.D.S.); (S.C.)
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh EH16 4SB, UK
| | - Shreya Das Sharma
- UK Dementia Research Institute, University of Edinburgh, Edinburgh EH16 4SB, UK; (A.S.); (V.R.); (S.D.S.); (S.C.)
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh EH16 4SB, UK
| | - Siddharthan Chandran
- UK Dementia Research Institute, University of Edinburgh, Edinburgh EH16 4SB, UK; (A.S.); (V.R.); (S.D.S.); (S.C.)
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh EH16 4SB, UK
- Anne Rowling Regenerative Neurology Clinic (ARRNC), University of Edinburgh, Edinburgh EH16 4SB, UK
| | - Bhuvaneish Thangaraj Selvaraj
- UK Dementia Research Institute, University of Edinburgh, Edinburgh EH16 4SB, UK; (A.S.); (V.R.); (S.D.S.); (S.C.)
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh EH16 4SB, UK
- Anne Rowling Regenerative Neurology Clinic (ARRNC), University of Edinburgh, Edinburgh EH16 4SB, UK
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Cerneckis J, Cai H, Shi Y. Induced pluripotent stem cells (iPSCs): molecular mechanisms of induction and applications. Signal Transduct Target Ther 2024; 9:112. [PMID: 38670977 PMCID: PMC11053163 DOI: 10.1038/s41392-024-01809-0] [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: 07/28/2023] [Revised: 03/09/2024] [Accepted: 03/17/2024] [Indexed: 04/28/2024] Open
Abstract
The induced pluripotent stem cell (iPSC) technology has transformed in vitro research and holds great promise to advance regenerative medicine. iPSCs have the capacity for an almost unlimited expansion, are amenable to genetic engineering, and can be differentiated into most somatic cell types. iPSCs have been widely applied to model human development and diseases, perform drug screening, and develop cell therapies. In this review, we outline key developments in the iPSC field and highlight the immense versatility of the iPSC technology for in vitro modeling and therapeutic applications. We begin by discussing the pivotal discoveries that revealed the potential of a somatic cell nucleus for reprogramming and led to successful generation of iPSCs. We consider the molecular mechanisms and dynamics of somatic cell reprogramming as well as the numerous methods available to induce pluripotency. Subsequently, we discuss various iPSC-based cellular models, from mono-cultures of a single cell type to complex three-dimensional organoids, and how these models can be applied to elucidate the mechanisms of human development and diseases. We use examples of neurological disorders, coronavirus disease 2019 (COVID-19), and cancer to highlight the diversity of disease-specific phenotypes that can be modeled using iPSC-derived cells. We also consider how iPSC-derived cellular models can be used in high-throughput drug screening and drug toxicity studies. Finally, we discuss the process of developing autologous and allogeneic iPSC-based cell therapies and their potential to alleviate human diseases.
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Affiliation(s)
- Jonas Cerneckis
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Hongxia Cai
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Yanhong Shi
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
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De Cock L, Bercier V, Van Den Bosch L. New developments in pre-clinical models of ALS to guide translation. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2024; 176:477-524. [PMID: 38802181 DOI: 10.1016/bs.irn.2024.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder in which selective death of motor neurons leads to muscle weakness and paralysis. Most research has focused on understanding and treating monogenic familial forms, most frequently caused by mutations in SOD1, FUS, TARDBP and C9orf72, although ALS is mostly sporadic and without a clear genetic cause. Rodent models have been developed to study monogenic ALS, but despite numerous pre-clinical studies and clinical trials, few disease-modifying therapies are available. ALS is a heterogeneous disease with complex underlying mechanisms where several genes and molecular pathways appear to play a role. One reason for the high failure rate of clinical translation from the current models could be oversimplification in pre-clinical studies. Here, we review advances in pre-clinical models to better capture the heterogeneous nature of ALS and discuss the value of novel model systems to guide translation and aid in the development of precision medicine.
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Affiliation(s)
- Lenja De Cock
- Department of Neurosciences, Experimental Neurology and Leuven Brain Institute (LBI), KU Louvain-University of Leuven, Leuven, Belgium; Center for Brain and Disease Research, Laboratory of Neurobiology, VIB, Leuven, Belgium
| | - Valérie Bercier
- Department of Neurosciences, Experimental Neurology and Leuven Brain Institute (LBI), KU Louvain-University of Leuven, Leuven, Belgium; Center for Brain and Disease Research, Laboratory of Neurobiology, VIB, Leuven, Belgium
| | - Ludo Van Den Bosch
- Department of Neurosciences, Experimental Neurology and Leuven Brain Institute (LBI), KU Louvain-University of Leuven, Leuven, Belgium; Center for Brain and Disease Research, Laboratory of Neurobiology, VIB, Leuven, Belgium.
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7
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Li Z, Su H, Lin G, Wang K, Huang Y, Wen Y, Luo D, Hou Y, Cao X, Weng J, Lin D, Wang L, Li X. Transplantation of MiR-28-5p-Modified BMSCs Promotes Functional Recovery After Spinal Cord Injury. Mol Neurobiol 2024; 61:2197-2214. [PMID: 37864767 DOI: 10.1007/s12035-023-03702-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 10/06/2023] [Indexed: 10/23/2023]
Abstract
Traumatic spinal cord injury (TSCI) is a prevalent central nervous system condition that imposes a significant burden on both families and society, affecting more than 2 million people worldwide. Recently, there has been increasing interest in bone marrow mesenchymal stem cell (BMSC) transplantation as a promising treatment for spinal cord injury (SCI) due to their accessibility and low immunogenicity. However, the mere transplantation of BMSCs has limited capacity to directly participate in the repair of host spinal cord nerve function. MiR-28-5p, identified as a key differentially expressed miRNA in spinal cord ischemia-reperfusion injury, exhibits differential expression and regulation in various neurological diseases. Nevertheless, its involvement in this process and its specific regulatory mechanisms in SCI remain unclear. Therefore, this study aimed to investigate the potential mechanisms through which miR-28-5p promotes the neuronal differentiation of BMSCs both in vivo and in vitro. Our results indicate that miR-28-5p may directly target Notch1, thereby facilitating the neuronal differentiation of BMSCs in vitro. Furthermore, the transplantation of lentivirus-mediated miR-28-5p-overexpressed BMSCs into SCI rats effectively improved footprint tests and Basso, Beattie, and Bresnahan (BBB) scores, ameliorated histological morphology (hematoxylin-eosin [HE] and Nissl staining), promoted axonal regeneration (MAP2 and growth-associated protein 43 [GAP43]), and facilitated axonal remyelination (myelin basic protein [MBP]). These findings may suggest that miR-28-5p-modified BMSCs could serve as a therapeutic target to enhance the behavioral and neurological recovery of SCI rats.
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Affiliation(s)
- Zhen Li
- State Key Laboratory of Dampness, Syndrome of Chinese Medicine, Department of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Haitao Su
- State Key Laboratory of Dampness, Syndrome of Chinese Medicine, Department of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Guandai Lin
- State Key Laboratory of Dampness, Syndrome of Chinese Medicine, Department of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Kai Wang
- State Key Laboratory of Dampness, Syndrome of Chinese Medicine, Department of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Yongming Huang
- State Key Laboratory of Dampness, Syndrome of Chinese Medicine, Department of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Yaqian Wen
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Dan Luo
- State Key Laboratory of Dampness, Syndrome of Chinese Medicine, Department of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Yu Hou
- State Key Laboratory of Dampness, Syndrome of Chinese Medicine, Department of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Xuewei Cao
- State Key Laboratory of Dampness, Syndrome of Chinese Medicine, Department of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Jiaxian Weng
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Dingkun Lin
- State Key Laboratory of Dampness, Syndrome of Chinese Medicine, Department of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Le Wang
- Department of Spine Surgery, the First Affiliated Hospital of Sun Yat-Sen University; Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, Guangzhou, 510080, Guangdong, China.
| | - Xing Li
- State Key Laboratory of Dampness, Syndrome of Chinese Medicine, Department of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China.
- The Second Clinical College of Guangzhou, University of Chinese Medicine, Guangzhou, 510120, Guangdong, China.
- Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China.
- Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China.
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Supakul S, Murakami R, Oyama C, Shindo T, Hatakeyama Y, Itsuno M, Bannai H, Shibata S, Maeda S, Okano H. Mutual interaction of neurons and astrocytes derived from iPSCs with APP V717L mutation developed the astrocytic phenotypes of Alzheimer's disease. Inflamm Regen 2024; 44:8. [PMID: 38419091 PMCID: PMC10900748 DOI: 10.1186/s41232-023-00310-5] [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: 09/05/2023] [Accepted: 11/22/2023] [Indexed: 03/02/2024] Open
Abstract
BACKGROUND The development of induced pluripotent stem cells (iPSCs) technology has enabled human cellular disease modeling for inaccessible cell types, such as neural cells in the brain. However, many of the iPSC-derived disease models established to date typically involve only a single cell type. These monoculture models are inadequate for accurately simulating the brain environment, where multiple cell types interact. The limited cell type diversity in monoculture models hinders the accurate recapitulation of disease phenotypes resulting from interactions between different cell types. Therefore, our goal was to create cell models that include multiple interacting cell types to better recapitulate disease phenotypes. METHODS To establish a co-culture model of neurons and astrocytes, we individually induced neurons and astrocytes from the same iPSCs using our novel differentiation methods, and then co-cultured them. We evaluated the effects of co-culture on neurons and astrocytes using immunocytochemistry, immuno-electron microscopy, and Ca2+ imaging. We also developed a co-culture model using iPSCs from a patient with familial Alzheimer's disease (AD) patient (APP V717L mutation) to investigate whether this model would manifest disease phenotypes not seen in the monoculture models. RESULTS The co-culture of the neurons and astrocytes increased the branching of astrocyte processes, the number of GFAP-positive cells, neuronal activities, the number of synapses, and the density of presynaptic vesicles. In addition, immuno-electron microscopy confirmed the formation of a tripartite synaptic structure in the co-culture model, and inhibition of glutamate transporters increased neuronal activity. Compared to the co-culture model of the control iPSCs, the co-culture model of familial AD developed astrogliosis-like phenotype, which was not observed in the monoculture model of astrocytes. CONCLUSIONS Co-culture of iPSC-derived neurons and astrocytes enhanced the morphological changes mimicking the in vivo condition of both cell types. The formation of the functional tripartite synaptic structures in the co-culture model suggested the mutual interaction between the cells. Furthermore, the co-culture model with the APP V717L mutation expressed in neurons exhibited an astrocytic phenotype reminiscent of AD brain pathology. These results suggest that our co-culture model is a valuable tool for disease modeling of neurodegenerative diseases.
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Affiliation(s)
- Sopak Supakul
- Department of Physiology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Rei Murakami
- Department of Physiology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Chisato Oyama
- Department of Electrical Engineering and Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, 169-8555, Japan
| | - Tomoko Shindo
- Electron Microscope Laboratory, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Yuki Hatakeyama
- Department of Physiology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Maika Itsuno
- Department of Physiology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Hiroko Bannai
- Department of Electrical Engineering and Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, 169-8555, Japan
| | - Shinsuke Shibata
- Electron Microscope Laboratory, Keio University School of Medicine, Tokyo, 160-8582, Japan
- Division of Microscopic Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, 951-8510, Japan
| | - Sumihiro Maeda
- Department of Physiology, Keio University School of Medicine, Tokyo, 160-8582, Japan.
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, Tokyo, 160-8582, Japan.
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Ndayisaba A, Pitaro AT, Willett AS, Jones KA, de Gusmao CM, Olsen AL, Kim J, Rissanen E, Woods JK, Srinivasan SR, Nagy A, Nagy A, Mesidor M, Cicero S, Patel V, Oakley DH, Tuncali I, Taglieri-Noble K, Clark EC, Paulson J, Krolewski RC, Ho GP, Hung AY, Wills AM, Hayes MT, Macmore JP, Warren L, Bower PG, Langer CB, Kellerman LR, Humphreys CW, Glanz BI, Dielubanza EJ, Frosch MP, Freeman RL, Gibbons CH, Stefanova N, Chitnis T, Weiner HL, Scherzer CR, Scholz SW, Vuzman D, Cox LM, Wenning G, Schmahmann JD, Gupta AS, Novak P, Young GS, Feany MB, Singhal T, Khurana V. Clinical Trial-Ready Patient Cohorts for Multiple System Atrophy: Coupling Biospecimen and iPSC Banking to Longitudinal Deep-Phenotyping. CEREBELLUM (LONDON, ENGLAND) 2024; 23:31-51. [PMID: 36190676 PMCID: PMC9527378 DOI: 10.1007/s12311-022-01471-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 08/26/2022] [Indexed: 11/30/2022]
Abstract
Multiple system atrophy (MSA) is a fatal neurodegenerative disease of unknown etiology characterized by widespread aggregation of the protein alpha-synuclein in neurons and glia. Its orphan status, biological relationship to Parkinson's disease (PD), and rapid progression have sparked interest in drug development. One significant obstacle to therapeutics is disease heterogeneity. Here, we share our process of developing a clinical trial-ready cohort of MSA patients (69 patients in 2 years) within an outpatient clinical setting, and recruiting 20 of these patients into a longitudinal "n-of-few" clinical trial paradigm. First, we deeply phenotype our patients with clinical scales (UMSARS, BARS, MoCA, NMSS, and UPSIT) and tests designed to establish early differential diagnosis (including volumetric MRI, FDG-PET, MIBG scan, polysomnography, genetic testing, autonomic function tests, skin biopsy) or disease activity (PBR06-TSPO). Second, we longitudinally collect biospecimens (blood, CSF, stool) and clinical, biometric, and imaging data to generate antecedent disease-progression scores. Third, in our Mass General Brigham SCiN study (stem cells in neurodegeneration), we generate induced pluripotent stem cell (iPSC) models from our patients, matched to biospecimens, including postmortem brain. We present 38 iPSC lines derived from MSA patients and relevant disease controls (spinocerebellar ataxia and PD, including alpha-synuclein triplication cases), 22 matched to whole-genome sequenced postmortem brain. iPSC models may facilitate matching patients to appropriate therapies, particularly in heterogeneous diseases for which patient-specific biology may elude animal models. We anticipate that deeply phenotyped and genotyped patient cohorts matched to cellular models will increase the likelihood of success in clinical trials for MSA.
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Affiliation(s)
- Alain Ndayisaba
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
- Division of Clinical Neurobiology, Department of Neurology, Medical University of Innsbruck, Anichstraße 35, 6020, Innsbruck, Austria
| | - Ariana T Pitaro
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Andrew S Willett
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Kristie A Jones
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Claudio Melo de Gusmao
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Abby L Olsen
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Jisoo Kim
- Department of Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Eero Rissanen
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Jared K Woods
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Sharan R Srinivasan
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
- Department of Neurology, University of Michigan, Ann Arbor, MI , 48103, USA
| | - Anna Nagy
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Amanda Nagy
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Merlyne Mesidor
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Steven Cicero
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Viharkumar Patel
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Derek H Oakley
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Idil Tuncali
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Katherine Taglieri-Noble
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Emily C Clark
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Jordan Paulson
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Richard C Krolewski
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Gary P Ho
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Albert Y Hung
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Anne-Marie Wills
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Michael T Hayes
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Jason P Macmore
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | | | - Pamela G Bower
- The Multiple System Atrophy Coalition, Inc., 7918 Jones Branch Drive, Suite 300, McLean, VA, 22102, USA
| | - Carol B Langer
- The Multiple System Atrophy Coalition, Inc., 7918 Jones Branch Drive, Suite 300, McLean, VA, 22102, USA
| | - Lawrence R Kellerman
- The Multiple System Atrophy Coalition, Inc., 7918 Jones Branch Drive, Suite 300, McLean, VA, 22102, USA
| | - Christopher W Humphreys
- Department of Pulmonary, Sleep and Critical Care Medicine, Salem Hospital, MassGeneral Brigham, Salem, MA, 01970, USA
| | - Bonnie I Glanz
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Elodi J Dielubanza
- Department of Urology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Matthew P Frosch
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Roy L Freeman
- Department of Neurology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02115, USA
| | - Christopher H Gibbons
- Department of Neurology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02115, USA
| | - Nadia Stefanova
- Division of Clinical Neurobiology, Department of Neurology, Medical University of Innsbruck, Anichstraße 35, 6020, Innsbruck, Austria
| | - Tanuja Chitnis
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Howard L Weiner
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Clemens R Scherzer
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Sonja W Scholz
- Laboratory of Neurogenetics, Disorders and Stroke, National Institute of Neurological, National Institute of Neurological Disorders and Stroke, Bethesda, MD, 20892, USA
- Department of Neurology, Johns Hopkins University Medical Center, Baltimore, MD, 21287, USA
| | - Dana Vuzman
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA
| | - Laura M Cox
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Gregor Wenning
- Division of Clinical Neurobiology, Department of Neurology, Medical University of Innsbruck, Anichstraße 35, 6020, Innsbruck, Austria
| | - Jeremy D Schmahmann
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Anoopum S Gupta
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Peter Novak
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Geoffrey S Young
- Department of Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Mel B Feany
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Tarun Singhal
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA
| | - Vikram Khurana
- Department of Neurology, Building for Transformative Medicine Room 10016L, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, 02115, USA.
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10
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Beirute-Herrera J, López-Amo Calvo B, Edenhofer F, Esk C. The promise of genetic screens in human in vitro brain models. Biol Chem 2024; 405:13-24. [PMID: 37697643 DOI: 10.1515/hsz-2023-0174] [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: 04/04/2023] [Accepted: 08/21/2023] [Indexed: 09/13/2023]
Abstract
Advances of in vitro culture models have allowed unprecedented insights into human neurobiology. At the same time genetic screening has matured into a robust and accessible experimental strategy allowing for the simultaneous study of many genes in parallel. The combination of both technologies is a newly emerging tool for neuroscientists, opening the door to identifying causal cell- and tissue-specific developmental and disease mechanisms. However, with complex experimental genetic screening set-ups new challenges in data interpretation and experimental scope arise that require a deep understanding of the benefits and challenges of individual approaches. In this review, we summarize the literature that applies genetic screening to in vitro brain models, compare experimental strengths and weaknesses and point towards future directions of these promising approaches.
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Affiliation(s)
- Julianne Beirute-Herrera
- Institute of Molecular Biology, University Innsbruck, Technikerstr. 25, A-6020 Innsbruck, Austria
- Center for Molecular Biosciences, University Innsbruck, Technikerstr. 25, A-6020 Innsbruck, Austria
| | - Beatriz López-Amo Calvo
- Institute of Molecular Biology, University Innsbruck, Technikerstr. 25, A-6020 Innsbruck, Austria
- Center for Molecular Biosciences, University Innsbruck, Technikerstr. 25, A-6020 Innsbruck, Austria
| | - Frank Edenhofer
- Institute of Molecular Biology, University Innsbruck, Technikerstr. 25, A-6020 Innsbruck, Austria
- Center for Molecular Biosciences, University Innsbruck, Technikerstr. 25, A-6020 Innsbruck, Austria
| | - Christopher Esk
- Institute of Molecular Biology, University Innsbruck, Technikerstr. 25, A-6020 Innsbruck, Austria
- Center for Molecular Biosciences, University Innsbruck, Technikerstr. 25, A-6020 Innsbruck, Austria
- Institute of Molecular Biotechnology of the Austrian Academy of Science (IMBA), Vienna BioCenter (VBC), Dr. Bohr Gasse 3, 1030 Vienna, Austria
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11
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Wang C, Cerneckis J, Shi Y. Directed Differentiation of Neurons from Human iPSCs for Modeling Neurological Disorders. Methods Mol Biol 2024; 2794:141-155. [PMID: 38630226 DOI: 10.1007/978-1-0716-3810-1_12] [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] [Indexed: 04/19/2024]
Abstract
Human-induced pluripotent stem cell (hiPSC) technology has enabled comprehensive human cell-based disease modeling in vitro. Due to limited accessibility of primary human neurons as well as species-specific divergence between human and rodent brain tissues, hiPSC-derived neurons have become a popular tool for studying neuronal biology in a dish. Here, we provide methods for transcription factor-driven directed differentiation of neurons from hiPSCs via a neural progenitor cell (NPC) intermediate. Doxycycline-inducible expression of neuron fate-determining transcription factors neurogenin 2 (NGN2) and achaete-scute homolog 1 (ASCL1) enables rapid and controllable differentiation of human neurons for disease modeling applications. The provided method is also designed to improve the reproducibility of human neuron differentiation by reducing the batch-to-batch variation of NPC differentiation and lentiviral transduction.
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Affiliation(s)
- Cheng Wang
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Jonas Cerneckis
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, USA
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Yanhong Shi
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, USA.
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, USA.
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12
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Xu X, Li M, Su Y, Wang Q, Qin P, Huang H, Zhang Y, Zhou Y, Yan J. Cdk5 phosphorylation-dependent C9orf72 degradation promotes neuronal death in Parkinson's disease models. CNS Neurosci Ther 2023; 29:3952-3966. [PMID: 37353944 PMCID: PMC10651984 DOI: 10.1111/cns.14319] [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: 09/02/2022] [Revised: 04/08/2023] [Accepted: 05/22/2023] [Indexed: 06/25/2023] Open
Abstract
AIMS Chromosome 9 open reading frame 72 (C9orf72) is one of the most dazzling molecules in neurodegenerative diseases, albeit that its role in Parkinson's disease (PD) remains unknown. This article aimed to explore the potential mechanism of C9orf72 involved in the pathogenesis of PD. METHODS The expression and phosphorylation levels of C9orf72 were examined by Western blotting, RT-PCR, and immunoprecipitation using PD models. Multiple bioinformatics software was used to predict the potential phosphorylation sites of C9orf72 by Cdk5, followed by verification of whether Cdk5-inhibitor ROSCOVITINE could reverse the degradation of C9orf72 in PD. By constructing the sh-C9orf72-knockdown adenovirus and overexpressing the FLAG-C9orf72 plasmid, the effects of C9orf72 knockdown and overexpression, respectively, were determined. A short peptide termed Myr-C9orf72 was used to verify whether interfering with Cdk5 phosphorylation at the Ser9 site of the C9orf72 protein could alleviate autophagy disorder, neuronal death, and movement disorder in PD models. RESULTS The expression level of the C9orf72 protein was significantly reduced, albeit the mRNA expression was not changed in the PD models. Moreover, the phosphorylation level was enhanced, and its reduction was mainly degraded by the ubiquitin-proteasome pathway. The key nervous system kinase Cdk5 directly phosphorylated the S9 site of the C9orf72 protein, which promoted the degradation of the C9orf72 protein. The knockdown of C9orf72 aggravated autophagy dysfunction and increased neuronal loss and motor dysfunction in substantia nigra neurons of PD mice. The overexpression of C9orf72 alleviated autophagy dysfunction in PD neurons. Specifically, interference with Cdk5 phosphorylation at the S9 site of C9orf72 alleviated autophagy dysfunction, neuronal death, and motor dysfunction mediated by C9orf72 protein degradation during PD. CONCLUSIONS Cumulatively, our findings illustrate the importance of the role of C9orf72 in the regulation of neuronal death during PD progression via the Cdk5-dependent degradation.
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Affiliation(s)
- Xingfeng Xu
- Department of PhysiologyGuilin Medical UniversityGuilinGuangxiChina
- Guangxi Key Laboratory of Brain and Cognitive NeuroscienceGuilin Medical UniversityGuilinGuangxiChina
| | - Mao Li
- Department of PhysiologyGuilin Medical UniversityGuilinGuangxiChina
- Guangxi Key Laboratory of Brain and Cognitive NeuroscienceGuilin Medical UniversityGuilinGuangxiChina
| | - Yan Su
- Department of PhysiologyGuilin Medical UniversityGuilinGuangxiChina
- Guangxi Key Laboratory of Brain and Cognitive NeuroscienceGuilin Medical UniversityGuilinGuangxiChina
| | - Qi Wang
- Department of PhysiologyGuilin Medical UniversityGuilinGuangxiChina
- Guangxi Key Laboratory of Brain and Cognitive NeuroscienceGuilin Medical UniversityGuilinGuangxiChina
| | - Peifang Qin
- Department of MicrobiologyGuilin Medical UniversityGuilinGuangxiChina
| | - Haitao Huang
- Department of MicrobiologyGuilin Medical UniversityGuilinGuangxiChina
| | - Yuting Zhang
- Department of MicrobiologyGuilin Medical UniversityGuilinGuangxiChina
| | - Yali Zhou
- Department of MicrobiologyGuilin Medical UniversityGuilinGuangxiChina
| | - Jianguo Yan
- Department of PhysiologyGuilin Medical UniversityGuilinGuangxiChina
- Guangxi Key Laboratory of Brain and Cognitive NeuroscienceGuilin Medical UniversityGuilinGuangxiChina
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13
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Prateeksha P, Naidu P, Das M, Barthels D, Das H. KLF2 Regulates Neural Differentiation of Dental Pulp-derived Stem Cells by Modulating Autophagy and Mitophagy. Stem Cell Rev Rep 2023; 19:2886-2900. [PMID: 37642902 DOI: 10.1007/s12015-023-10607-0] [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] [Accepted: 08/09/2023] [Indexed: 08/31/2023]
Abstract
BACKGROUND Transplantation of stem cells for treating neurodegenerative disorders is a promising future therapeutic approach. However, the molecular mechanism underlying the neuronal differentiation of dental pulp-derived stem cells (DPSC) remains inadequately explored. The current study aims to define the regulatory role of KLF2 (Kruppel-like factor 2) during the neural differentiation (ND) of DPSC. METHODS We first investigated the transcriptional and translational expression of KLF2, autophagy, and mitophagy-associated markers during the ND of DPSC by using quantitative RT-PCR and western blot methods. After that, we applied the chemical-mediated loss- and gain-of-function approaches using KLF2 inhibitor, GGPP (geranylgeranyl pyrophosphate), and KLF2 activator, GGTI-298 (geranylgeranyl transferase inhibitor-298) to delineate the role of KLF2 during ND of DPSC. The western blot, qRT-PCR, and immunocytochemistry were performed to determine the molecular changes during ND after KLF2 deficiency and KLF2 sufficiency. We also analyzed the oxygen consumption rate (OCR) and the extracellular acidification rate (ECAR) using the Seahorse XFe24 analyzer. RESULTS Our study demonstrated that the expression level of KLF2, autophagy, and mitophagy-associated markers were significantly elevated during the ND of DPSC. Next, we found that the KLF2 inhibitor, GGPP significantly reduced the ND of DPSC. Inversely, KLF2 overexpression accelerated the molecular phenomenon of DPSC's commitment towards ND, indicating the crucial role of KLF2 in neurogenesis. Moreover, we found that the KLF2 positively regulated autophagy, mitophagy, and the Wnt5a signaling pathway during neurogenesis. Seahorse XFe24 analysis revealed that the ECAR and OCR parameters were significantly increased during ND, and inhibition of KLF2 marginally reversed them towards DPSC's cellular bioenergetics. However, KLF2 overexpression shifted the cellular energy metabolism toward the quiescent stage. CONCLUSION Collectively, our findings provide the first evidence that the KLF2 critically regulates the neurogenesis of DPSC by inducing autophagy and mitophagy.
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Affiliation(s)
- Prateeksha Prateeksha
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Prathyusha Naidu
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Manjusri Das
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Derek Barthels
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA
| | - Hiranmoy Das
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, ARB Suite 2116, 1406 South Coulter Street, Amarillo, TX, 79106, USA.
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14
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Ying C, Zhang J, Zhang H, Gao S, Guo X, Lin J, Wu H, Hong Y. Stem cells in central nervous system diseases: Promising therapeutic strategies. Exp Neurol 2023; 369:114543. [PMID: 37743001 DOI: 10.1016/j.expneurol.2023.114543] [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: 07/09/2023] [Revised: 09/11/2023] [Accepted: 09/14/2023] [Indexed: 09/26/2023]
Abstract
Central nervous system (CNS) diseases are a leading cause of death and disability. Due to CNS neurons have no self-renewal and regenerative ability as they mature, their loss after injury or disease is irreversible and often leads to functional impairments. Unfortunately, therapeutic options for CNS diseases are still limited, and effective treatments for these notorious diseases are warranted to be explored. At present, stem cell therapy has emerged as a potential therapeutic strategy for improving the prognosis of CNS diseases. Accumulating preclinical and clinical evidences have demonstrated that multiple molecular mechanisms, such as cell replacement, immunoregulation and neurotrophic effect, underlie the use of stem cell therapy for CNS diseases. However, several issues have yet to be addressed to support its clinical application. Thus, this review article aims to summarize the role and underlying mechanisms of stem cell therapy in treating CNS diseases. And it is worthy of further evaluation for the potential therapeutic applications of stem cell treatment in CNS disease.
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Affiliation(s)
- Caidi Ying
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Jiahao Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Haocheng Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Shiqi Gao
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Xiaoming Guo
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Jun Lin
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Haijian Wu
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
| | - Yuan Hong
- Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
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15
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Mitevska A, Santacruz C, Martin EJ, Jones IE, Ghiacy A, Dixon S, Mostafazadeh N, Peng Z, Kiskinis E, Finan JD. Polyurethane Culture Substrates Enable Long-Term Neuron Monoculture in a Human in vitro Model of Neurotrauma. Neurotrauma Rep 2023; 4:682-692. [PMID: 37908320 PMCID: PMC10615064 DOI: 10.1089/neur.2023.0060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023] Open
Abstract
Human induced pluripotent stem cell (hiPSC)-derived cells can reproduce human-specific pathophysiology, patient-specific vulnerability, and gene-environment interactions in neurological disease. Human in vitro models of neurotrauma therefore have great potential to advance the field. However, this potential cannot be realized until important biomaterials challenges are addressed. Status quo stretch injury models of neurotrauma culture cells on sheets of polydimethylsiloxane (PDMS) that are incompatible with long-term monoculture of hiPSC-derived neurons. Here, we overcame this challenge in an established human in vitro neurotrauma model by replacing PDMS with a highly biocompatible form of polyurethane (PU). This substitution allowed long-term monoculture of hiPSC-derived neurons. It also changed the biomechanics of stretch injury. We quantified these changes experimentally using high-speed videography and digital image correlation. We used finite element modeling to quantify the influence of the culture substrate's thickness, stiffness, and coefficient of friction on membrane stretch and concluded that the coefficient of friction explained most of the observed biomechanical changes. Despite these changes, we demonstrated that the modified model produced a robust, dose-dependent trauma phenotype in hiPSC-derived neuron monocultures. In summary, the introduction of this PU film makes it possible to maintain hiPSC-derived neurons in monoculture for long periods in a human in vitro neurotrauma model. In doing so, it opens new horizons in the field of neurotrauma by enabling the unique experimental paradigms (e.g., isogenic models) associated with hiPSC-derived neurons.
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Affiliation(s)
- Angela Mitevska
- Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Citlally Santacruz
- Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Eric J. Martin
- The Ken & Ruth Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Ian E. Jones
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Arian Ghiacy
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Simon Dixon
- Biomer Technology Ltd., Warrington, United Kingdom
| | - Nima Mostafazadeh
- Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Zhangli Peng
- Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Evangelos Kiskinis
- The Ken & Ruth Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
- Department of Neuroscience, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - John D. Finan
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois, USA
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16
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Goutman SA, Savelieff MG, Jang DG, Hur J, Feldman EL. The amyotrophic lateral sclerosis exposome: recent advances and future directions. Nat Rev Neurol 2023; 19:617-634. [PMID: 37709948 PMCID: PMC11027963 DOI: 10.1038/s41582-023-00867-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/08/2023] [Indexed: 09/16/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal disease of motor neuron degeneration with typical survival of only 2-5 years from diagnosis. The causes of ALS are multifactorial: known genetic mutations account for only around 70% of cases of familial ALS and 15% of sporadic cases, and heritability estimates range from 8% to 61%, indicating additional causes beyond genetics. Consequently, interest has grown in environmental contributions to ALS risk and progression. The gene-time-environment hypothesis posits that ALS onset occurs through an interaction of genes with environmental exposures during ageing. An alternative hypothesis, the multistep model of ALS, suggests that several hits, at least some of which could be environmental, are required to trigger disease onset, even in the presence of highly penetrant ALS-associated mutations. Studies have sought to characterize the ALS exposome - the lifetime accumulation of environmental exposures that increase disease risk and affect progression. Identifying the full scope of environmental toxicants that enhance ALS risk raises the prospect of preventing disease by eliminating or mitigating exposures. In this Review, we summarize the evidence for an ALS exposome, discussing the strengths and limitations of epidemiological studies that have identified contributions from various sources. We also consider potential mechanisms of exposure-mediated toxicity and suggest future directions for ALS exposome research.
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Affiliation(s)
- Stephen A Goutman
- Department of Neurology, University of Michigan, Ann Arbor, MI, USA
- NeuroNetwork for Emerging Therapies, University of Michigan, Ann Arbor, MI, USA
| | - Masha G Savelieff
- Department of Biomedical Sciences, University of North Dakota, Grand Forks, ND, USA
| | - Dae-Gyu Jang
- Department of Neurology, University of Michigan, Ann Arbor, MI, USA
- NeuroNetwork for Emerging Therapies, University of Michigan, Ann Arbor, MI, USA
| | - Junguk Hur
- Department of Biomedical Sciences, University of North Dakota, Grand Forks, ND, USA
| | - Eva L Feldman
- Department of Neurology, University of Michigan, Ann Arbor, MI, USA.
- NeuroNetwork for Emerging Therapies, University of Michigan, Ann Arbor, MI, USA.
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17
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Mazzini L, De Marchi F. iPSC-based research in ALS precision medicine. Cell Stem Cell 2023; 30:748-749. [PMID: 37267911 DOI: 10.1016/j.stem.2023.05.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 05/10/2023] [Accepted: 05/10/2023] [Indexed: 06/04/2023]
Abstract
Clinical trials in amyotrophic lateral sclerosis (ALS) are challenged by the lack of pre-clinical models and biomarkers of disease onset and progression. In this issue, Morimoto et al. use induced pluripotent stem cell (iPSC)-derived motor neurons from patients with ALS to study therapeutic mechanisms of ropinirole in a clinical trial and identify treatment responders.
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Affiliation(s)
- Letizia Mazzini
- ALS Centre, Neurology Unit, Department of Translational Medicine, Maggiore della Carità Hospital, University of Piemonte Orientale, Novara, Italy.
| | - Fabiola De Marchi
- ALS Centre, Neurology Unit, Department of Translational Medicine, Maggiore della Carità Hospital, University of Piemonte Orientale, Novara, Italy
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18
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Amin ND, Kelley KW, Hao J, Miura Y, Narazaki G, Li T, McQueen P, Kulkarni S, Pavlov S, Paşca SP. Generating human neural diversity with a multiplexed morphogen screen in organoids. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.31.541819. [PMID: 37398073 PMCID: PMC10312596 DOI: 10.1101/2023.05.31.541819] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Morphogens choreograph the generation of remarkable cellular diversity in the developing nervous system. Differentiation of stem cells toward particular neural cell fates in vitro often relies upon combinatorial modulation of these signaling pathways. However, the lack of a systematic approach to understand morphogen-directed differentiation has precluded the generation of many neural cell populations, and knowledge of the general principles of regional specification remain in-complete. Here, we developed an arrayed screen of 14 morphogen modulators in human neural organoids cultured for over 70 days. Leveraging advances in multiplexed RNA sequencing technology and annotated single cell references of the human fetal brain we discovered that this screening approach generated considerable regional and cell type diversity across the neural axis. By deconvoluting morphogen-cell type relationships, we extracted design principles of brain region specification, including critical morphogen timing windows and combinatorics yielding an array of neurons with distinct neuro-transmitter identities. Tuning GABAergic neural subtype diversity unexpectedly led to the derivation of primate-specific interneurons. Taken together, this serves as a platform towards an in vitro morphogen atlas of human neural cell differentiation that will bring insights into human development, evolution, and disease.
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19
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Buchner F, Dokuzluoglu Z, Grass T, Rodriguez-Muela N. Spinal Cord Organoids to Study Motor Neuron Development and Disease. Life (Basel) 2023; 13:1254. [PMID: 37374039 DOI: 10.3390/life13061254] [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: 05/02/2023] [Accepted: 05/18/2023] [Indexed: 06/29/2023] Open
Abstract
Motor neuron diseases (MNDs) are a heterogeneous group of disorders that affect the cranial and/or spinal motor neurons (spMNs), spinal sensory neurons and the muscular system. Although they have been investigated for decades, we still lack a comprehensive understanding of the underlying molecular mechanisms; and therefore, efficacious therapies are scarce. Model organisms and relatively simple two-dimensional cell culture systems have been instrumental in our current knowledge of neuromuscular disease pathology; however, in the recent years, human 3D in vitro models have transformed the disease-modeling landscape. While cerebral organoids have been pursued the most, interest in spinal cord organoids (SCOs) is now also increasing. Pluripotent stem cell (PSC)-based protocols to generate SpC-like structures, sometimes including the adjacent mesoderm and derived skeletal muscle, are constantly being refined and applied to study early human neuromuscular development and disease. In this review, we outline the evolution of human PSC-derived models for generating spMN and recapitulating SpC development. We also discuss how these models have been applied to exploring the basis of human neurodevelopmental and neurodegenerative diseases. Finally, we provide an overview of the main challenges to overcome in order to generate more physiologically relevant human SpC models and propose some exciting new perspectives.
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Affiliation(s)
- Felix Buchner
- German Center for Neurodegenerative Diseases, 01307 Dresden, Germany
| | | | - Tobias Grass
- German Center for Neurodegenerative Diseases, 01307 Dresden, Germany
| | - Natalia Rodriguez-Muela
- German Center for Neurodegenerative Diseases, 01307 Dresden, Germany
- Center for Regenerative Therapies Dresden, Technische Universität Dresden, 01307 Dresden, Germany
- Max Planck Institute for Molecular Cell Biology and Genetics, 01307 Dresden, Germany
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20
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Workman MJ, Lim RG, Wu J, Frank A, Ornelas L, Panther L, Galvez E, Perez D, Meepe I, Lei S, Valencia V, Gomez E, Liu C, Moran R, Pinedo L, Tsitkov S, Ho R, Kaye JA, Thompson T, Rothstein JD, Finkbeiner S, Fraenkel E, Sareen D, Thompson LM, Svendsen CN. Large-scale differentiation of iPSC-derived motor neurons from ALS and control subjects. Neuron 2023; 111:1191-1204.e5. [PMID: 36764301 PMCID: PMC10557526 DOI: 10.1016/j.neuron.2023.01.010] [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: 08/03/2022] [Revised: 11/29/2022] [Accepted: 01/17/2023] [Indexed: 02/11/2023]
Abstract
Using induced pluripotent stem cells (iPSCs) to understand the mechanisms of neurological disease holds great promise; however, there is a lack of well-curated lines from a large array of participants. Answer ALS has generated over 1,000 iPSC lines from control and amyotrophic lateral sclerosis (ALS) patients along with clinical and whole-genome sequencing data. The current report summarizes cell marker and gene expression in motor neuron cultures derived from 92 healthy control and 341 ALS participants using a 32-day differentiation protocol. This is the largest set of iPSCs to be differentiated into motor neurons, and characterization suggests that cell composition and sex are significant sources of variability that need to be carefully controlled for in future studies. These data are reported as a resource for the scientific community that will utilize Answer ALS data for disease modeling using a wider array of omics being made available for these samples.
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Affiliation(s)
- Michael J Workman
- The Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Ryan G Lim
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, CA, USA
| | - Jie Wu
- Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Aaron Frank
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Loren Ornelas
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Lindsay Panther
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Erick Galvez
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Daniel Perez
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Imara Meepe
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Susan Lei
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Viviana Valencia
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Emilda Gomez
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Chunyan Liu
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Ruby Moran
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Louis Pinedo
- Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Stanislav Tsitkov
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Ritchie Ho
- The Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Center for Neural Science and Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Department of Neurology, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Julia A Kaye
- Center for Systems and Therapeutics, Gladstone Institutes, University of California, San Francisco, San Francisco, CA, USA; Taube/Koret Center for Neurodegenerative Disease, Gladstone Institutes, University of California, San Francisco, San Francisco, CA, USA; Departments of Neurology and Physiology, University of California, San Francisco, San Francisco, CA, USA
| | | | - Jeffrey D Rothstein
- Brain Science Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Steven Finkbeiner
- Center for Systems and Therapeutics, Gladstone Institutes, University of California, San Francisco, San Francisco, CA, USA; Taube/Koret Center for Neurodegenerative Disease, Gladstone Institutes, University of California, San Francisco, San Francisco, CA, USA; Departments of Neurology and Physiology, University of California, San Francisco, San Francisco, CA, USA
| | - Ernest Fraenkel
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Dhruv Sareen
- The Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
| | - Leslie M Thompson
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, CA, USA; Department of Biological Chemistry, University of California, Irvine, CA, USA; Department of Neurobiology and Behavior, University of California, Irvine, CA, USA; Department of Psychiatry and Human Behavior and Sue and Bill Gross Stem Cell Center, University of California, Irvine, CA, USA.
| | - Clive N Svendsen
- The Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Cedars-Sinai Biomanufacturing Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
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21
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Cecerska-Heryć E, Pękała M, Serwin N, Gliźniewicz M, Grygorcewicz B, Michalczyk A, Heryć R, Budkowska M, Dołęgowska B. The Use of Stem Cells as a Potential Treatment Method for Selected Neurodegenerative Diseases: Review. Cell Mol Neurobiol 2023:10.1007/s10571-023-01344-6. [PMID: 37027074 DOI: 10.1007/s10571-023-01344-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 03/30/2023] [Indexed: 04/08/2023]
Abstract
Stem cells have been the subject of research for years due to their enormous therapeutic potential. Most neurological diseases such as multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS), Alzheimer's disease (AD), Parkinson's disease (PD), and Huntington's disease (HD) are incurable or very difficult to treat. Therefore new therapies are sought in which autologous stem cells are used. They are often the patient's only hope for recovery or slowing down the progress of the disease symptoms. The most important conclusions arise after analyzing the literature on the use of stem cells in neurodegenerative diseases. The effectiveness of MSC cell therapy has been confirmed in ALS and HD therapy. MSC cells slow down ALS progression and show early promising signs of efficacy. In HD, they reduced huntingtin (Htt) aggregation and stimulation of endogenous neurogenesis. MS therapy with hematopoietic stem cells (HSCs) inducted significant recalibration of pro-inflammatory and immunoregulatory components of the immune system. iPSC cells allow for accurate PD modeling. They are patient-specific and therefore minimize the risk of immune rejection and, in long-term observation, did not form any tumors in the brain. Extracellular vesicles derived from bone marrow mesenchymal stromal cells (BM-MSC-EVs) and Human adipose-derived stromal/stem cells (hASCs) cells are widely used to treat AD. Due to the reduction of Aβ42 deposits and increasing the survival of neurons, they improve memory and learning abilities. Despite many animal models and clinical trial studies, cell therapy still needs to be refined to increase its effectiveness in the human body.
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Affiliation(s)
- Elżbieta Cecerska-Heryć
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, PowstancowWielkopolskich 72, 70-111, Szczecin, Poland.
| | - Maja Pękała
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, PowstancowWielkopolskich 72, 70-111, Szczecin, Poland
| | - Natalia Serwin
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, PowstancowWielkopolskich 72, 70-111, Szczecin, Poland
| | - Marta Gliźniewicz
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, PowstancowWielkopolskich 72, 70-111, Szczecin, Poland
| | - Bartłomiej Grygorcewicz
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, PowstancowWielkopolskich 72, 70-111, Szczecin, Poland
| | - Anna Michalczyk
- Department of Psychiatry, Pomeranian Medical University of Szczecin, Broniewskiego 26, 71-460, Szczecin, Poland
| | - Rafał Heryć
- Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University of Szczecin, PowstancowWielkopolskich 72, 70-111, Szczecin, Poland
| | - Marta Budkowska
- Department of Medical Analytics, Pomeranian Medical University of Szczecin, PowstancowWielkopolskich 72, 70-111, Szczecin, Poland
| | - Barbara Dołęgowska
- Department of Laboratory Medicine, Pomeranian Medical University of Szczecin, PowstancowWielkopolskich 72, 70-111, Szczecin, Poland
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22
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Du H, Huo Z, Chen Y, Zhao Z, Meng F, Wang X, Liu S, Zhang H, Zhou F, Liu J, Zhang L, Zhou S, Guan Y, Wang X. Induced Pluripotent Stem Cells and Their Applications in Amyotrophic Lateral Sclerosis. Cells 2023; 12:cells12060971. [PMID: 36980310 PMCID: PMC10047679 DOI: 10.3390/cells12060971] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/20/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease that results in the loss of motor function in the central nervous system (CNS) and ultimately death. The mechanisms underlying ALS pathogenesis have not yet been fully elucidated, and ALS cannot be treated effectively. Most studies have applied animal or single-gene intervention cell lines as ALS disease models, but they cannot accurately reflect the pathological characteristics of ALS. Induced pluripotent stem cells (iPSCs) can be reprogrammed from somatic cells, possessing the ability to self-renew and differentiate into a variety of cells. iPSCs can be obtained from ALS patients with different genotypes and phenotypes, and the genetic background of the donor cells remains unchanged during reprogramming. iPSCs can differentiate into neurons and glial cells related to ALS. Therefore, iPSCs provide an excellent method to evaluate the impact of diseases on ALS patients. Moreover, patient-derived iPSCs are obtained from their own somatic cells, avoiding ethical concerns and posing only a low risk of immune rejection. The iPSC technology creates new hope for ALS treatment. Here, we review recent studies on iPSCs and their applications in disease modeling, drug screening and cell therapy in ALS, with a particular focus on the potential for ALS treatment.
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Affiliation(s)
- Hongmei Du
- Department of Histology and Embryology, School of Basic Medical Sciences, Weifang Medical University, Weifang 261053, China
- Neurologic Disorders and Regenerative Repair Laboratory, Weifang Medical University, Weifang 261053, China
| | - Zijun Huo
- Department of Histology and Embryology, School of Basic Medical Sciences, Weifang Medical University, Weifang 261053, China
| | - Yanchun Chen
- Department of Histology and Embryology, School of Basic Medical Sciences, Weifang Medical University, Weifang 261053, China
- Neurologic Disorders and Regenerative Repair Laboratory, Weifang Medical University, Weifang 261053, China
| | - Zhenhan Zhao
- Department of Histology and Embryology, School of Basic Medical Sciences, Weifang Medical University, Weifang 261053, China
| | - Fandi Meng
- Department of Histology and Embryology, School of Basic Medical Sciences, Weifang Medical University, Weifang 261053, China
| | - Xuemei Wang
- Department of Histology and Embryology, School of Basic Medical Sciences, Weifang Medical University, Weifang 261053, China
| | - Shiyue Liu
- Neurologic Disorders and Regenerative Repair Laboratory, Weifang Medical University, Weifang 261053, China
| | - Haoyun Zhang
- Neurologic Disorders and Regenerative Repair Laboratory, Weifang Medical University, Weifang 261053, China
| | - Fenghua Zhou
- Neurologic Disorders and Regenerative Repair Laboratory, Weifang Medical University, Weifang 261053, China
- Department of Pathology, School of Basic Medical Sciences, Weifang Medical University, Weifang 261053, China
| | - Jinmeng Liu
- Neurologic Disorders and Regenerative Repair Laboratory, Weifang Medical University, Weifang 261053, China
| | - Lingyun Zhang
- Neurologic Disorders and Regenerative Repair Laboratory, Weifang Medical University, Weifang 261053, China
| | - Shuanhu Zhou
- Harvard Medical School and Harvard Stem Cell Institute, Harvard University, Boston, MA 02115, USA
| | - Yingjun Guan
- Department of Histology and Embryology, School of Basic Medical Sciences, Weifang Medical University, Weifang 261053, China
- Neurologic Disorders and Regenerative Repair Laboratory, Weifang Medical University, Weifang 261053, China
| | - Xin Wang
- Harvard Medical School and Harvard Stem Cell Institute, Harvard University, Boston, MA 02115, USA
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
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23
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Oliveira NAS, Pinho BR, Oliveira JMA. Swimming against ALS: How to model disease in zebrafish for pathophysiological and behavioral studies. Neurosci Biobehav Rev 2023; 148:105138. [PMID: 36933816 DOI: 10.1016/j.neubiorev.2023.105138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 03/02/2023] [Accepted: 03/14/2023] [Indexed: 03/18/2023]
Abstract
Amyotrophic Lateral Sclerosis (ALS) is a neurodegenerative disease that leads to progressive disability and motor impairment. Existing therapies provide modest improvements in patient survival, raising a need for new treatments for ALS. Zebrafish is a promising model animal for translational and fundamental research in ALS - it is an experimentally tractable vertebrate, with high homology to humans and an ample experimental toolbox. These advantages allow high-throughput study of behavioral and pathophysiological phenotypes. The last decade saw an increased interest in modelling ALS in zebrafish, leading to the current abundance and variety of available methods and models. Additionally, the rise of gene editing techniques and toxin combination studies has created novel opportunities for ALS studies in zebrafish. In this review, we address the relevance of zebrafish as a model animal for ALS studies, the strategies for model induction and key phenotypical evaluation. Furthermore, we discuss established and emerging zebrafish models of ALS, analyzing their validity, including their potential for drug testing, and highlighting research opportunities in this area.
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Affiliation(s)
- Nuno A S Oliveira
- UCIBIO-REQUIMTE, Applied Molecular Biosciences Unit, Mitochondria and Neurobiology Lab, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; Associate Laboratory i4HB, Institute for Health and Bioeconomy, Faculty of Pharmacy, Department of Drug Sciences, Pharmacology Lab, University of Porto, 4050-313 Porto, Portugal
| | - Brígida R Pinho
- UCIBIO-REQUIMTE, Applied Molecular Biosciences Unit, Mitochondria and Neurobiology Lab, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; Associate Laboratory i4HB, Institute for Health and Bioeconomy, Faculty of Pharmacy, Department of Drug Sciences, Pharmacology Lab, University of Porto, 4050-313 Porto, Portugal
| | - Jorge M A Oliveira
- UCIBIO-REQUIMTE, Applied Molecular Biosciences Unit, Mitochondria and Neurobiology Lab, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; Associate Laboratory i4HB, Institute for Health and Bioeconomy, Faculty of Pharmacy, Department of Drug Sciences, Pharmacology Lab, University of Porto, 4050-313 Porto, Portugal.
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24
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Ranson JM, Bucholc M, Lyall D, Newby D, Winchester L, Oxtoby NP, Veldsman M, Rittman T, Marzi S, Skene N, Al Khleifat A, Foote IF, Orgeta V, Kormilitzin A, Lourida I, Llewellyn DJ. Harnessing the potential of machine learning and artificial intelligence for dementia research. Brain Inform 2023; 10:6. [PMID: 36829050 PMCID: PMC9958222 DOI: 10.1186/s40708-022-00183-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 12/26/2022] [Indexed: 02/26/2023] Open
Abstract
Progress in dementia research has been limited, with substantial gaps in our knowledge of targets for prevention, mechanisms for disease progression, and disease-modifying treatments. The growing availability of multimodal data sets opens possibilities for the application of machine learning and artificial intelligence (AI) to help answer key questions in the field. We provide an overview of the state of the science, highlighting current challenges and opportunities for utilisation of AI approaches to move the field forward in the areas of genetics, experimental medicine, drug discovery and trials optimisation, imaging, and prevention. Machine learning methods can enhance results of genetic studies, help determine biological effects and facilitate the identification of drug targets based on genetic and transcriptomic information. The use of unsupervised learning for understanding disease mechanisms for drug discovery is promising, while analysis of multimodal data sets to characterise and quantify disease severity and subtype are also beginning to contribute to optimisation of clinical trial recruitment. Data-driven experimental medicine is needed to analyse data across modalities and develop novel algorithms to translate insights from animal models to human disease biology. AI methods in neuroimaging outperform traditional approaches for diagnostic classification, and although challenges around validation and translation remain, there is optimism for their meaningful integration to clinical practice in the near future. AI-based models can also clarify our understanding of the causality and commonality of dementia risk factors, informing and improving risk prediction models along with the development of preventative interventions. The complexity and heterogeneity of dementia requires an alternative approach beyond traditional design and analytical approaches. Although not yet widely used in dementia research, machine learning and AI have the potential to unlock current challenges and advance precision dementia medicine.
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Affiliation(s)
- Janice M Ranson
- University of Exeter Medical School, College House, St Luke's Campus, Heavitree Road, Exeter, EX1 2LU, UK.
| | - Magda Bucholc
- Cognitive Analytics Research Lab, School of Computing, Engineering & Intelligent Systems, Ulster University, Derry, UK
| | - Donald Lyall
- Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK
| | - Danielle Newby
- Department of Psychiatry, University of Oxford, Oxford, UK
| | | | - Neil P Oxtoby
- Department of Computer Science, UCL Centre for Medical Image Computing, University College London, London, UK
| | | | - Timothy Rittman
- Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
| | - Sarah Marzi
- UK Dementia Research Institute, Imperial College London, London, UK
- Department of Brain Sciences, Imperial College London, London, UK
| | - Nathan Skene
- UK Dementia Research Institute, Imperial College London, London, UK
- Department of Brain Sciences, Imperial College London, London, UK
| | - Ahmad Al Khleifat
- Department of Basic and Clinical Neuroscience, King's College London, London, UK
| | | | - Vasiliki Orgeta
- Division of Psychiatry, University College London, London, UK
| | | | - Ilianna Lourida
- University of Exeter Medical School, College House, St Luke's Campus, Heavitree Road, Exeter, EX1 2LU, UK
| | - David J Llewellyn
- University of Exeter Medical School, College House, St Luke's Campus, Heavitree Road, Exeter, EX1 2LU, UK
- The Alan Turing Institute, London, UK
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25
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Tahraoui-Bories J, Mérien A, González-Barriga A, Lainé J, Leteur C, Polvèche H, Carteron A, De Lamotte JD, Nicoleau C, Polentes J, Jarrige M, Gomes-Pereira M, Ventre E, Poydenot P, Furling D, Schaeffer L, Legay C, Martinat C. MBNL-dependent impaired development within the neuromuscular system in myotonic dystrophy type 1. Neuropathol Appl Neurobiol 2023; 49:e12876. [PMID: 36575942 PMCID: PMC10107781 DOI: 10.1111/nan.12876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/27/2022] [Accepted: 12/12/2022] [Indexed: 12/29/2022]
Abstract
AIMS Myotonic dystrophy type I (DM1) is one of the most frequent muscular dystrophies in adults. Although DM1 has long been considered mainly a muscle disorder, growing evidence suggests the involvement of peripheral nerves in the pathogenicity of DM1 raising the question of whether motoneurons (MNs) actively contribute to neuromuscular defects in DM1. METHODS By using micropatterned 96-well plates as a coculture platform, we generated a functional neuromuscular model combining DM1 and muscleblind protein (MBNL) knock-out human-induced pluripotent stem cells-derived MNs and human healthy skeletal muscle cells. RESULTS This approach led to the identification of presynaptic defects which affect the formation or stability of the neuromuscular junction at an early developmental stage. These neuropathological defects could be reproduced by the loss of RNA-binding MBNL proteins, whose loss of function in vivo is associated with muscular defects associated with DM1. These experiments indicate that the functional defects associated with MNs can be directly attributed to MBNL family proteins. Comparative transcriptomic analyses also revealed specific neuronal-related processes regulated by these proteins that are commonly misregulated in DM1. CONCLUSIONS Beyond the application to DM1, our approach to generating a robust and reliable human neuromuscular system should facilitate disease modelling studies and drug screening assays.
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Affiliation(s)
| | - Antoine Mérien
- INSERM/UEVE UMR 861, Université Paris Saclay, I-STEM, Corbeil-Essonnes, France
| | - Anchel González-Barriga
- INSERM, Institut de Myologie, Centre de Recherche en Myologie, Sorbonne Université, Paris, France
| | - Jeanne Lainé
- INSERM, Institut de Myologie, Centre de Recherche en Myologie, Sorbonne Université, Paris, France
| | | | | | | | | | | | | | | | - Mário Gomes-Pereira
- INSERM, Institut de Myologie, Centre de Recherche en Myologie, Sorbonne Université, Paris, France
| | | | | | - Denis Furling
- INSERM, Institut de Myologie, Centre de Recherche en Myologie, Sorbonne Université, Paris, France
| | - Laurent Schaeffer
- INMG, INSERM U1217, CNRS UMR5310, Université Lyon 1, Université de Lyon, Hospices Civils de Lyon, Lyon, France
| | - Claire Legay
- CNRS, SPINN-Saint-Pères Paris Institute for the Neurosciences, Université Paris Cité, Paris, France
| | - Cécile Martinat
- INSERM/UEVE UMR 861, Université Paris Saclay, I-STEM, Corbeil-Essonnes, France
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26
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Smeyers J, Mordes DA. Running up that pill for amyotrophic lateral sclerosis. Brain 2023; 146:4-5. [PMID: 36329511 DOI: 10.1093/brain/awac408] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 11/01/2022] [Indexed: 11/06/2022] Open
Abstract
This scientific commentary refers to ‘Maiden voyage: induced pluripotent stem cell-based drug screening for amyotrophic lateral sclerosis’ by Ito et al. (https://doi.org/10.1093/brain/awac306).
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Affiliation(s)
- Julie Smeyers
- Institute for Neurodegenerative Diseases, Department of Pathology, University of California, San Francisco, CA 94158, USA
| | - Daniel A Mordes
- Institute for Neurodegenerative Diseases, Department of Pathology, University of California, San Francisco, CA 94158, USA
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27
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Tang YM, Pulimood NS, Stifani S. Comparing the Characteristics of Microglia Preparations Generated Using Different Human iPSC-Based Differentiation Methods to Model Neurodegenerative Diseases. ASN Neuro 2022; 14:17590914221145105. [PMID: 36524236 PMCID: PMC9761225 DOI: 10.1177/17590914221145105] [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] [Indexed: 12/23/2022] Open
Abstract
As the resident immune cells of the healthy nervous system, homeostatic microglia can rapidly become activated in response to injury/disease. Dysregulated microglia activation is a hallmark of nervous system disorders including neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS) and Alzheimer's disease. The elucidation of the biological and pathological roles of microglia has recently benefitted from the development of microglia-like cells using human induced pluripotent stem cell (iPSC)-based approaches. The success of iPSC-derived microglia preparations as a disease-relevant model system depends on their representation of the in vivo spatial and temporal heterogeneity of microglia under pathological conditions. Little is currently known about the potential of human iPSC-derived microglia generated using different methods for the study of neurodegenerative diseases. We compared the transcriptomes of human iPSC-derived microglia generated using two frequently used in vitro differentiation methods to determine whether separate strategies can generate microglia with distinct transcriptional signatures in vitro. We show that microglia derived using different differentiation methods display distinct maturation characteristics after equivalent times in culture. We also reveal that iPSC-derived microglia preparations generated using these two methods are composed of different subpopulations with transcriptomic signatures resembling those of in vivo regionally distinct microglia subtypes, specifically white-matter and gray-matter microglia. These findings highlight the need to better characterize the subtype composition of each microglia preparation prior to its use to model neurodegenerative diseases.
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Affiliation(s)
- Ye Man Tang
- Department of Neurology and Neurosurgery, Montreal Neurological
Institute-Hospital, McGill
University, Montreal, Quebec, Canada
| | - Nisha S. Pulimood
- Department of Neurology and Neurosurgery, Montreal Neurological
Institute-Hospital, McGill
University, Montreal, Quebec, Canada
| | - Stefano Stifani
- Department of Neurology and Neurosurgery, Montreal Neurological
Institute-Hospital, McGill
University, Montreal, Quebec, Canada,Stefano Stifani, Department of Neurology
and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University,
Montreal, Quebec, Canada H3A 2B4.
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28
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Luo HM, Xu J, Huang DX, Chen YQ, Liu YZ, Li YJ, Chen H. Mitochondrial dysfunction of induced pluripotent stem cells-based neurodegenerative disease modeling and therapeutic strategy. Front Cell Dev Biol 2022; 10:1030390. [DOI: 10.3389/fcell.2022.1030390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 10/31/2022] [Indexed: 11/22/2022] Open
Abstract
Neurodegenerative diseases (NDDs) are disorders in which neurons are lost owing to various factors, resulting in a series of dysfunctions. Their rising prevalence and irreversibility have brought physical pain to patients and economic pressure to both individuals and society. However, the pathogenesis of NDDs has not yet been fully elucidated, hampering the use of precise medication. Induced pluripotent stem cell (IPSC) modeling provides a new method for drug discovery, and exploring the early pathological mechanisms including mitochondrial dysfunction, which is not only an early but a prominent pathological feature of NDDs. In this review, we summarize the iPSC modeling approach of Alzheimer’s disease, Parkinson’s disease, and Amyotrophic lateral sclerosis, as well as outline typical mitochondrial dysfunction and recapitulate corresponding therapeutic strategies.
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29
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Limone F, Klim JR, Mordes DA. Pluripotent stem cell strategies for rebuilding the human brain. Front Aging Neurosci 2022; 14:1017299. [PMID: 36408113 PMCID: PMC9667068 DOI: 10.3389/fnagi.2022.1017299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 09/27/2022] [Indexed: 01/03/2023] Open
Abstract
Neurodegenerative disorders have been extremely challenging to treat with traditional drug-based approaches and curative therapies are lacking. Given continued progress in stem cell technologies, cell replacement strategies have emerged as concrete and potentially viable therapeutic options. In this review, we cover advances in methods used to differentiate human pluripotent stem cells into several highly specialized types of neurons, including cholinergic, dopaminergic, and motor neurons, and the potential clinical applications of stem cell-derived neurons for common neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, Huntington's disease, ataxia, and amyotrophic lateral sclerosis. Additionally, we summarize cellular differentiation techniques for generating glial cell populations, including oligodendrocytes and microglia, and their conceivable translational roles in supporting neural function. Clinical trials of specific cell replacement therapies in the nervous system are already underway, and several attractive avenues in regenerative medicine warrant further investigation.
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Affiliation(s)
- Francesco Limone
- Department of Stem Cell and Regenerative Biology, Harvard Stem Cell Institute, Cambridge, MA, United States,Department of Molecular and Cellular Biology, Harvard Stem Cell Institute, Cambridge, MA, United States,Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, United States,Leiden University Medical Center, Leiden, Netherlands
| | - Joseph R. Klim
- Faze Medicines, Cambridge, MA, United States,*Correspondence: Joseph R. Klim,
| | - Daniel A. Mordes
- Institute for Neurodegenerative Diseases, Department of Pathology, University of California, San Francisco, San Francisco, CA, United States,Daniel A. Mordes,
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30
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Zheng Y, Gallegos CM, Xue H, Li S, Kim DH, Zhou H, Xia X, Liu Y, Cao Q. Transplantation of Human Induced Pluripotent Stem Cell-Derived Neural Progenitor Cells Promotes Forelimb Functional Recovery after Cervical Spinal Cord Injury. Cells 2022; 11:cells11172765. [PMID: 36078173 PMCID: PMC9454923 DOI: 10.3390/cells11172765] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/29/2022] [Accepted: 09/02/2022] [Indexed: 01/05/2023] Open
Abstract
Locomotor function after spinal cord injury (SCI) is critical for assessing recovery. Currently, available means to improve locomotor function include surgery, physical therapy rehabilitation and exoskeleton. Stem cell therapy with neural progenitor cells (NPCs) transplantation is a promising reparative strategy. Along this line, patient-specific induced pluripotent stem cells (iPSCs) are a remarkable autologous cell source, which offer many advantages including: great potential to generate isografts avoiding immunosuppression; the availability of a variety of somatic cells without ethical controversy related to embryo use; and vast differentiation. In this current work, to realize the therapeutic potential of iPSC-NPCs for the treatment of SCI, we transplanted purified iPSCs-derived NPCs into a cervical contusion SCI rat model. Our results showed that the iPSC-NPCs were able to survive and differentiate into both neurons and astrocytes and, importantly, improve forelimb locomotor function as assessed by the grooming task and horizontal ladder test. Purified iPSC-NPCs represent a promising cell type that could be further tested and developed into a clinically useful cell source for targeted cell therapy for cervical SCI patients.
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Affiliation(s)
- Yiyan Zheng
- Center for Translational Science, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
- Robert Stempel College of Public Health and Social Work, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, TX 77030, USA
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Chrystine M. Gallegos
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, TX 77030, USA
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Haipeng Xue
- Center for Translational Science, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
- Robert Stempel College of Public Health and Social Work, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, TX 77030, USA
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Shenglan Li
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, TX 77030, USA
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Dong H. Kim
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, TX 77030, USA
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Hongxia Zhou
- Center for Translational Science, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
- Robert Stempel College of Public Health and Social Work, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
| | - Xugang Xia
- Center for Translational Science, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
- Robert Stempel College of Public Health and Social Work, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
| | - Ying Liu
- Center for Translational Science, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
- Robert Stempel College of Public Health and Social Work, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, TX 77030, USA
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
- Correspondence: (Y.L.); (Q.C.); Tel.: +1-(772)-345-4734 (Y.L.); +1-(772)-345-4622 (Q.C.)
| | - Qilin Cao
- Center for Translational Science, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
- Robert Stempel College of Public Health and Social Work, Florida International University, 11350 SW Village Pkwy, Port St. Lucie, FL 34987, USA
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, TX 77030, USA
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
- Correspondence: (Y.L.); (Q.C.); Tel.: +1-(772)-345-4734 (Y.L.); +1-(772)-345-4622 (Q.C.)
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31
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Inagaki E, Yoshimatsu S, Okano H. Accelerated neuronal aging in vitro ∼melting watch ∼. Front Aging Neurosci 2022; 14:868770. [PMID: 36016855 PMCID: PMC9397486 DOI: 10.3389/fnagi.2022.868770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 07/04/2022] [Indexed: 11/13/2022] Open
Abstract
In developed countries, the aging of the population and the associated increase in age-related diseases are causing major unresolved medical, social, and environmental matters. Therefore, research on aging has become one of the most important and urgent issues in life sciences. If the molecular mechanisms of the onset and progression of neurodegenerative diseases are elucidated, we can expect to develop disease-modifying methods to prevent neurodegeneration itself. Since the discovery of induced pluripotent stem cells (iPSCs), there has been an explosion of disease models using disease-specific iPSCs derived from patient-derived somatic cells. By inducing the differentiation of iPSCs into neurons, disease models that reflect the patient-derived pathology can be reproduced in culture dishes, and are playing an active role in elucidating new pathological mechanisms and as a platform for new drug discovery. At the same time, however, we are faced with a new problem: how to recapitulate aging in culture dishes. It has been pointed out that cells differentiated from pluripotent stem cells are juvenile, retain embryonic traits, and may not be fully mature. Therefore, attempts are being made to induce cell maturation, senescence, and stress signals through culture conditions. It has also been reported that direct conversion of fibroblasts into neurons can reproduce human neurons with an aged phenotype. Here, we outline some state-of-the-art insights into models of neuronal aging in vitro. New frontiers in which stem cells and methods for inducing differentiation of tissue regeneration can be applied to aging research are just now approaching, and we need to keep a close eye on them. These models are forefront and intended to advance our knowledge of the molecular mechanisms of aging and contribute to the development of novel therapies for human neurodegenerative diseases associated with aging.
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Affiliation(s)
- Emi Inagaki
- Department of Physiology, Keio University School of Medicine, Tokyo, Japan
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
- Japanese Society for the Promotion of Science (JSPS), Tokyo, Japan
| | - Sho Yoshimatsu
- Department of Physiology, Keio University School of Medicine, Tokyo, Japan
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, Tokyo, Japan
- *Correspondence: Hideyuki Okano,
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32
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Vahsen BF, Gray E, Candalija A, Cramb KML, Scaber J, Dafinca R, Katsikoudi A, Xu Y, Farrimond L, Wade-Martins R, James WS, Turner MR, Cowley SA, Talbot K. Human iPSC co-culture model to investigate the interaction between microglia and motor neurons. Sci Rep 2022; 12:12606. [PMID: 35871163 PMCID: PMC9308778 DOI: 10.1038/s41598-022-16896-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 07/18/2022] [Indexed: 11/23/2022] Open
Abstract
Motor neuron diseases such as amyotrophic lateral sclerosis are primarily characterized by motor neuron degeneration with additional involvement of non-neuronal cells, in particular, microglia. In previous work, we have established protocols for the differentiation of iPSC-derived spinal motor neurons and microglia. Here, we combine both cell lineages and establish a novel co-culture of iPSC-derived spinal motor neurons and microglia, which is compatible with motor neuron identity and function. Co-cultured microglia express key identity markers and transcriptomically resemble primary human microglia, have highly dynamic ramifications, are phagocytically competent, release relevant cytokines and respond to stimulation. Further, they express key amyotrophic lateral sclerosis-associated genes and release disease-relevant biomarkers. This novel and authentic human model system facilitates the study of physiological motor neuron-microglia crosstalk and will allow the investigation of non-cell-autonomous phenotypes in motor neuron diseases such as amyotrophic lateral sclerosis.
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Affiliation(s)
- Björn F Vahsen
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
- Kavli Institute for Nanoscience Discovery, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QU, UK
| | - Elizabeth Gray
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | - Ana Candalija
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | - Kaitlyn M L Cramb
- Kavli Institute for Nanoscience Discovery, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QU, UK
- Oxford Parkinson's Disease Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QX, UK
| | - Jakub Scaber
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
- Kavli Institute for Nanoscience Discovery, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QU, UK
| | - Ruxandra Dafinca
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
- Kavli Institute for Nanoscience Discovery, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QU, UK
| | - Antigoni Katsikoudi
- Kavli Institute for Nanoscience Discovery, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QU, UK
- Molecular Neurodegeneration Research Group, Nuffield Department of Clinical Neurosciences, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QU, UK
| | - Yinyan Xu
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
- Kavli Institute for Nanoscience Discovery, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QU, UK
- Chinese Academy of Medical Sciences (CAMS), CAMS Oxford Institute (COI), Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK
| | - Lucy Farrimond
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
- Kavli Institute for Nanoscience Discovery, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QU, UK
| | - Richard Wade-Martins
- Kavli Institute for Nanoscience Discovery, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QU, UK
- Oxford Parkinson's Disease Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QX, UK
| | - William S James
- James and Lillian Martin Centre for Stem Cell Research, Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK
| | - Martin R Turner
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK
| | - Sally A Cowley
- James and Lillian Martin Centre for Stem Cell Research, Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK.
| | - Kevin Talbot
- Oxford Motor Neuron Disease Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DU, UK.
- Kavli Institute for Nanoscience Discovery, University of Oxford, Dorothy Crowfoot Hodgkin Building, South Parks Road, Oxford, OX1 3QU, UK.
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33
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Rosholm KR, Badone B, Karatsiompani S, Nagy D, Seibertz F, Voigt N, Bell DC. Adventures and Advances in Time Travel With Induced Pluripotent Stem Cells and Automated Patch Clamp. Front Mol Neurosci 2022; 15:898717. [PMID: 35813069 PMCID: PMC9258620 DOI: 10.3389/fnmol.2022.898717] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/13/2022] [Indexed: 01/21/2023] Open
Abstract
In the Hollywood blockbuster “The Curious Case of Benjamin Button” a fantastical fable unfolds of a man’s life that travels through time reversing the aging process; as the tale progresses, the frail old man becomes a vigorous, vivacious young man, then man becomes boy and boy becomes baby. The reality of cellular time travel, however, is far more wondrous: we now have the ability to both reverse and then forward time on mature cells. Four proteins were found to rewind the molecular clock of adult cells back to their embryonic, “blank canvas” pluripotent stem cell state, allowing these pluripotent stem cells to then be differentiated to fast forward their molecular clocks to the desired adult specialist cell types. These four proteins – the “Yamanaka factors” – form critical elements of this cellular time travel, which deservedly won Shinya Yamanaka the Nobel Prize for his lab’s work discovering them. Human induced pluripotent stem cells (hiPSCs) hold much promise in our understanding of physiology and medicine. They encapsulate the signaling pathways of the desired cell types, such as cardiomyocytes or neurons, and thus act as model cells for defining the critical ion channel activity in healthy and disease states. Since hiPSCs can be derived from any patient, highly specific, personalized (or stratified) physiology, and/or pathophysiology can be defined, leading to exciting developments in personalized medicines and interventions. As such, hiPSC married with high throughput automated patch clamp (APC) ion channel recording platforms provide a foundation for significant physiological, medical and drug discovery advances. This review aims to summarize the current state of affairs of hiPSC and APC: the background and recent advances made; and the pros, cons and challenges of these technologies. Whilst the authors have yet to finalize a fully functional time traveling machine, they will endeavor to provide plausible future projections on where hiPSC and APC are likely to carry us. One future projection the authors are confident in making is the increasing necessity and adoption of these technologies in the discovery of the next blockbuster, this time a life-enhancing ion channel drug, not a fantastical movie.
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Affiliation(s)
- Kadla R. Rosholm
- Sophion Bioscience A/S, Ballerup, Denmark
- *Correspondence: Kadla R. Rosholm,
| | | | | | - David Nagy
- Sophion Bioscience Inc., Woburn, MA, United States
| | - Fitzwilliam Seibertz
- Institute of Pharmacology and Toxicology, University Medical Center Göttingen, Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Göttingen, Germany
| | - Niels Voigt
- Institute of Pharmacology and Toxicology, University Medical Center Göttingen, Göttingen, Germany
- German Center for Cardiovascular Research (DZHK), Göttingen, Germany
- Cluster of Excellence “Multiscale Bioimaging: from Molecular Machines to Networks of Excitable Cells” (MBExC), University of Göttingen, Göttingen, Germany
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Labib D, Wang Z, Prakash P, Zimmer M, Smith MD, Frazel PW, Barbar L, Sapar ML, Calabresi PA, Peng J, Liddelow SA, Fossati V. Proteomic Alterations and Novel Markers of Neurotoxic Reactive Astrocytes in Human Induced Pluripotent Stem Cell Models. Front Mol Neurosci 2022; 15:870085. [PMID: 35592112 PMCID: PMC9113221 DOI: 10.3389/fnmol.2022.870085] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 03/29/2022] [Indexed: 12/20/2022] Open
Abstract
Astrocytes respond to injury, infection, and inflammation in the central nervous system by acquiring reactive states in which they may become dysfunctional and contribute to disease pathology. A sub-state of reactive astrocytes induced by proinflammatory factors TNF, IL-1α, and C1q ("TIC") has been implicated in many neurodegenerative diseases as a source of neurotoxicity. Here, we used an established human induced pluripotent stem cell (hiPSC) model to investigate the surface marker profile and proteome of TIC-induced reactive astrocytes. We propose VCAM1, BST2, ICOSL, HLA-E, PD-L1, and PDPN as putative, novel markers of this reactive sub-state. We found that several of these markers colocalize with GFAP+ cells in post-mortem samples from people with Alzheimer's disease. Moreover, our whole-cells proteomic analysis of TIC-induced reactive astrocytes identified proteins and related pathways primarily linked to potential engagement with peripheral immune cells. Taken together, our findings will serve as new tools to purify reactive astrocyte subtypes and to further explore their involvement in immune responses associated with injury and disease.
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Affiliation(s)
- David Labib
- The New York Stem Cell Foundation Research Institute, New York, NY, United States
| | - Zhen Wang
- Department of Structural Biology, St. Jude Children’s Research Hospital, Memphis, TN, United States
- Department of Developmental Neurobiology, St. Jude Children’s Research Hospital, Memphis, TN, United States
| | - Priya Prakash
- Neuroscience Institute, NYU Grossman School of Medicine, New York, NY, United States
| | - Matthew Zimmer
- The New York Stem Cell Foundation Research Institute, New York, NY, United States
| | - Matthew D. Smith
- Department of Neurology, Johns Hopkins University, Baltimore, MD, United States
| | - Paul W. Frazel
- Neuroscience Institute, NYU Grossman School of Medicine, New York, NY, United States
| | - Lilianne Barbar
- The New York Stem Cell Foundation Research Institute, New York, NY, United States
| | - Maria L. Sapar
- The New York Stem Cell Foundation Research Institute, New York, NY, United States
| | - Peter A. Calabresi
- Department of Neurology, Johns Hopkins University, Baltimore, MD, United States
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University, Baltimore, MD, United States
| | - Junmin Peng
- Department of Structural Biology, St. Jude Children’s Research Hospital, Memphis, TN, United States
- Department of Developmental Neurobiology, St. Jude Children’s Research Hospital, Memphis, TN, United States
- Center for Proteomics and Metabolomics, St. Jude Children’s Research Hospital, Memphis, TN, United States
| | - Shane A. Liddelow
- Neuroscience Institute, NYU Grossman School of Medicine, New York, NY, United States
- Department of Neuroscience and Physiology, NYU Grossman School of Medicine, New York, NY, United States
- Department of Ophthalmology, NYU Grossman School of Medicine, New York, NY, United States
- Parekh Center for Interdisciplinary Neurology, NYU Grossman School of Medicine, New York, NY, United States
| | - Valentina Fossati
- The New York Stem Cell Foundation Research Institute, New York, NY, United States
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Muhtaseb AW, Duan J. Modeling common and rare genetic risk factors of neuropsychiatric disorders in human induced pluripotent stem cells. Schizophr Res 2022:S0920-9964(22)00156-6. [PMID: 35459617 PMCID: PMC9735430 DOI: 10.1016/j.schres.2022.04.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/05/2022] [Accepted: 04/07/2022] [Indexed: 12/13/2022]
Abstract
Recent genome-wide association studies (GWAS) and whole-exome sequencing of neuropsychiatric disorders, especially schizophrenia, have identified a plethora of common and rare disease risk variants/genes. Translating the mounting human genetic discoveries into novel disease biology and more tailored clinical treatments is tied to our ability to causally connect genetic risk variants to molecular and cellular phenotypes. When combined with the Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/CRISPR-associated (Cas) nuclease-mediated genome editing system, human induced pluripotent stem cell (hiPSC)-derived neural cultures (both 2D and 3D organoids) provide a promising tractable cellular model for bridging the gap between genetic findings and disease biology. In this review, we first conceptualize the advances in understanding the disease polygenicity and convergence from the past decade of iPSC modeling of different types of genetic risk factors of neuropsychiatric disorders. We then discuss the major cell types and cellular phenotypes that are most relevant to neuropsychiatric disorders in iPSC modeling. Finally, we critically review the limitations of iPSC modeling of neuropsychiatric disorders and outline the need for implementing and developing novel methods to scale up the number of iPSC lines and disease risk variants in a systematic manner. Sufficiently scaled-up iPSC modeling and a better functional interpretation of genetic risk variants, in combination with cutting-edge CRISPR/Cas9 gene editing and single-cell multi-omics methods, will enable the field to identify the specific and convergent molecular and cellular phenotypes in precision for neuropsychiatric disorders.
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Affiliation(s)
- Abdurrahman W Muhtaseb
- Center for Psychiatric Genetics, NorthShore University HealthSystem, Evanston, IL 60201, United States of America; Department of Human Genetics, The University of Chicago, Chicago, IL 60637, United States of America
| | - Jubao Duan
- Center for Psychiatric Genetics, NorthShore University HealthSystem, Evanston, IL 60201, United States of America; Department of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, IL 60637, United States of America.
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Okano H, Morimoto S. iPSC-based disease modeling and drug discovery in cardinal neurodegenerative disorders. Cell Stem Cell 2022; 29:189-208. [PMID: 35120619 DOI: 10.1016/j.stem.2022.01.007] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
It has been 15 years since the birth of human induced pluripotent stem cell (iPSC) technology in 2007, and the scope of its application has been expanding. In addition to the development of cell therapies using iPSC-derived cells, pathological analyses using disease-specific iPSCs and clinical trials to confirm the safety and efficacy of drugs developed using iPSCs are progressing. With the innovation of related technologies, iPSC applications are about to enter a new stage. This review outlines advances in iPSC modeling and therapeutic development for cardinal neurodegenerative diseases, such as amyotrophic lateral sclerosis, Parkinson's disease, and Alzheimer's disease.
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Affiliation(s)
- Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, Japan; Laboratory for Marmoset Neural Architecture, RIKEN Center for Brain Science, Wako-shi, Saitama 351-0198, Japan.
| | - Satoru Morimoto
- Department of Physiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, Japan
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