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Beghini DG, Kasai-Brunswick TH, Henriques-Pons A. Induced Pluripotent Stem Cells in Drug Discovery and Neurodegenerative Disease Modelling. Int J Mol Sci 2024; 25:2392. [PMID: 38397069 PMCID: PMC10889263 DOI: 10.3390/ijms25042392] [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: 11/18/2023] [Revised: 12/28/2023] [Accepted: 12/29/2023] [Indexed: 02/25/2024] Open
Abstract
Induced pluripotent stem cells (iPSCs) are derived from reprogrammed adult somatic cells. These adult cells are manipulated in vitro to express genes and factors essential for acquiring and maintaining embryonic stem cell (ESC) properties. This technology is widely applied in many fields, and much attention has been given to developing iPSC-based disease models to validate drug discovery platforms and study the pathophysiological molecular processes underlying disease onset. Especially in neurological diseases, there is a great need for iPSC-based technological research, as these cells can be obtained from each patient and carry the individual's bulk of genetic mutations and unique properties. Moreover, iPSCs can differentiate into multiple cell types. These are essential characteristics, since the study of neurological diseases is affected by the limited access to injury sites, the need for in vitro models composed of various cell types, the complexity of reproducing the brain's anatomy, the challenges of postmortem cell culture, and ethical issues. Neurodegenerative diseases strongly impact global health due to their high incidence, symptom severity, and lack of effective therapies. Recently, analyses using disease specific, iPSC-based models confirmed the efficacy of these models for testing multiple drugs. This review summarizes the advances in iPSC technology used in disease modelling and drug testing, with a primary focus on neurodegenerative diseases, including Parkinson's and Alzheimer's diseases.
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Affiliation(s)
- Daniela Gois Beghini
- Laboratório de Inovações em Terapias, Ensino e Bioprodutos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, RJ, Brazil;
| | - Tais Hanae Kasai-Brunswick
- Centro Nacional de Biologia Estrutural e Bioimagem, CENABIO, Universidade Federal do Rio de Janeiro, Seropédica 23890-000, RJ, Brazil;
- Instituto Nacional de Ciência e Tecnologia em Medicina Regenerativa, INCT-REGENERA, Universidade Federal do Rio de Janeiro, Seropédica 23890-000, RJ, Brazil
| | - Andrea Henriques-Pons
- Laboratório de Inovações em Terapias, Ensino e Bioprodutos, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, RJ, Brazil;
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Sullivan MA, Lane SD, McKenzie ADJ, Ball SR, Sunde M, Neely GG, Moreno CL, Maximova A, Werry EL, Kassiou M. iPSC-derived PSEN2 (N141I) astrocytes and microglia exhibit a primed inflammatory phenotype. J Neuroinflammation 2024; 21:7. [PMID: 38178159 PMCID: PMC10765839 DOI: 10.1186/s12974-023-02951-2] [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: 11/11/2022] [Accepted: 11/07/2023] [Indexed: 01/06/2024] Open
Abstract
BACKGROUND Widescale evidence points to the involvement of glia and immune pathways in the progression of Alzheimer's disease (AD). AD-associated iPSC-derived glial cells show a diverse range of AD-related phenotypic states encompassing cytokine/chemokine release, phagocytosis and morphological profiles, but to date studies are limited to cells derived from PSEN1, APOE and APP mutations or sporadic patients. The aim of the current study was to successfully differentiate iPSC-derived microglia and astrocytes from patients harbouring an AD-causative PSEN2 (N141I) mutation and characterise the inflammatory and morphological profile of these cells. METHODS iPSCs from three healthy control individuals and three familial AD patients harbouring a heterozygous PSEN2 (N141I) mutation were used to derive astrocytes and microglia-like cells and cell identity and morphology were characterised through immunofluorescent microscopy. Cellular characterisation involved the stimulation of these cells by LPS and Aβ42 and analysis of cytokine/chemokine release was conducted through ELISAs and multi-cytokine arrays. The phagocytic capacity of these cells was then indexed by the uptake of fluorescently-labelled fibrillar Aβ42. RESULTS AD-derived astrocytes and microglia-like cells exhibited an atrophied and less complex morphological appearance than healthy controls. AD-derived astrocytes showed increased basal expression of GFAP, S100β and increased secretion and phagocytosis of Aβ42 while AD-derived microglia-like cells showed decreased IL-8 secretion compared to healthy controls. Upon immunological challenge AD-derived astrocytes and microglia-like cells showed exaggerated secretion of the pro-inflammatory IL-6, CXCL1, ICAM-1 and IL-8 from astrocytes and IL-18 and MIF from microglia. CONCLUSION Our study showed, for the first time, the differentiation and characterisation of iPSC-derived astrocytes and microglia-like cells harbouring a PSEN2 (N141I) mutation. PSEN2 (N141I)-mutant astrocytes and microglia-like cells presented with a 'primed' phenotype characterised by reduced morphological complexity, exaggerated pro-inflammatory cytokine secretion and altered Aβ42 production and phagocytosis.
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Affiliation(s)
- Michael A Sullivan
- School of Medical Sciences, The Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
| | - Samuel D Lane
- School of Medical Sciences, The Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
| | - André D J McKenzie
- School of Medical Sciences, The Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
| | - Sarah R Ball
- School of Medical Sciences, The Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
| | - Margaret Sunde
- School of Medical Sciences, The Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
| | - G Gregory Neely
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney, Camperdown, Australia
| | - Cesar L Moreno
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney, Camperdown, Australia
| | - Alexandra Maximova
- School of Medical Sciences, The Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
| | - Eryn L Werry
- School of Medical Sciences, The Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia.
- School of Chemistry, The Faculty of Science, The University of Sydney, Camperdown, Australia.
- Central Clinical School, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia.
| | - Michael Kassiou
- School of Chemistry, The Faculty of Science, The University of Sydney, Camperdown, Australia.
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Fanizza F, Campanile M, Forloni G, Giordano C, Albani D. Induced pluripotent stem cell-based organ-on-a-chip as personalized drug screening tools: A focus on neurodegenerative disorders. J Tissue Eng 2022; 13:20417314221095339. [PMID: 35570845 PMCID: PMC9092580 DOI: 10.1177/20417314221095339] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 04/04/2022] [Indexed: 01/15/2023] Open
Abstract
The Organ-on-a-Chip (OoC) technology shows great potential to revolutionize the
drugs development pipeline by mimicking the physiological environment and
functions of human organs. The translational value of OoC is further enhanced
when combined with patient-specific induced pluripotent stem cells (iPSCs) to
develop more realistic disease models, paving the way for the development of a
new generation of patient-on-a-chip devices. iPSCs differentiation capacity
leads to invaluable improvements in personalized medicine. Moreover, the
connection of single-OoC into multi-OoC or body-on-a-chip allows to investigate
drug pharmacodynamic and pharmacokinetics through the study of multi-organs
cross-talks. The need of a breakthrough thanks to this technology is
particularly relevant within the field of neurodegenerative diseases, where the
number of patients is increasing and the successful rate in drug discovery is
worryingly low. In this review we discuss current iPSC-based OoC as drug
screening models and their implication in development of new therapies for
neurodegenerative disorders.
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Affiliation(s)
- Francesca Fanizza
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta,” Politecnico di Milano, Milan, Italy
| | - Marzia Campanile
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta,” Politecnico di Milano, Milan, Italy
| | - Gianluigi Forloni
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Carmen Giordano
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta,” Politecnico di Milano, Milan, Italy
| | - Diego Albani
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
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Galvin J, Curran E, Arteaga F, Goossens A, Aubuchon-Endsley N, McMurray MA, Moore J, Hansen KC, Chial HJ, Potter H, Brodsky JL, Coughlan CM. Proteasome activity modulates amyloid toxicity. FEMS Yeast Res 2022; 22:foac004. [PMID: 35150241 PMCID: PMC8906389 DOI: 10.1093/femsyr/foac004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/14/2021] [Accepted: 02/10/2022] [Indexed: 11/13/2022] Open
Abstract
Alzheimer's disease (AD) is responsible for 60%-80% of identified cases of dementia. While the generation and accumulation of amyloid precursor protein (APP) fragments is accepted as a key step in AD pathogenesis, the precise role of these fragments remains poorly understood. To overcome this deficit, we induced the expression of the soluble C-terminal fragment of APP (C99), the rate-limiting peptide for the generation of amyloid fragments, in yeast that contain thermosensitive mutations in genes encoding proteasome subunits. Our previous work with this system demonstrated that these proteasome-deficient yeast cells, expressing C99 when proteasome activity was blunted, generated amyloid fragments similar to those observed in AD patients. We now report the phenotypic repercussions of inducing C99 expression in proteasome-deficient cells. We show increased levels of protein aggregates, cellular stress and chaperone expression, electron-dense accumulations in the nuclear envelope/ER, abnormal DNA condensation, and an induction of apoptosis. Taken together, these findings suggest that the generation of C99 and its associated fragments in yeast cells with compromised proteasomal activity results in phenotypes that may be relevant to the neuropathological processes observed in AD patients. These data also suggest that this yeast model should be useful for testing therapeutics that target AD-associated amyloid, since it allows for the assessment of the reversal of the perturbed cellular physiology observed when degradation pathways are dysfunctional.
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Affiliation(s)
- John Galvin
- Department of Biological Sciences, University of Denver , Denver CO 80208, United States
| | - Elizabeth Curran
- Department of Biological Sciences, University of Denver , Denver CO 80208, United States
| | - Francisco Arteaga
- Department of Biological Sciences, University of Denver , Denver CO 80208, United States
| | - Alicia Goossens
- Department of Biological Sciences, University of Denver , Denver CO 80208, United States
| | - Nicki Aubuchon-Endsley
- Department of Biological Sciences, University of Denver , Denver CO 80208, United States
| | - Michael A McMurray
- Department of Cell and Developmental Biology, Anschutz Medical Campus, Aurora, CO 80045, United States
| | - Jeffrey Moore
- Department of Cell and Developmental Biology, Anschutz Medical Campus, Aurora, CO 80045, United States
| | - Kirk C Hansen
- Department of Biochemistry and Molecular Genetics, Anschutz Medical Campus, Aurora, CO 80045, United States
| | - Heidi J Chial
- University of Colorado Alzheimer's and Cognition Center (CUACC), Department of Neurology, School of Medicine, Anschutz Medical Campus, Aurora 80045, United States
| | - Huntington Potter
- University of Colorado Alzheimer's and Cognition Center (CUACC), Department of Neurology, School of Medicine, Anschutz Medical Campus, Aurora 80045, United States
| | - Jeffrey L Brodsky
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, United States
| | - Christina M Coughlan
- University of Colorado Alzheimer's and Cognition Center (CUACC), Department of Neurology, School of Medicine, Anschutz Medical Campus, Aurora 80045, United States
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Modeling and Targeting Neuroglial Interactions with Human Pluripotent Stem Cell Models. Int J Mol Sci 2022; 23:ijms23031684. [PMID: 35163606 PMCID: PMC8836094 DOI: 10.3390/ijms23031684] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 01/26/2022] [Accepted: 01/30/2022] [Indexed: 02/05/2023] Open
Abstract
Generation of relevant and robust models for neurological disorders is of main importance for both target identification and drug discovery. The non-cell autonomous effects of glial cells on neurons have been described in a broad range of neurodegenerative and neurodevelopmental disorders, pointing to neuroglial interactions as novel alternative targets for therapeutics development. Interestingly, the recent breakthrough discovery of human induced pluripotent stem cells (hiPSCs) has opened a new road for studying neurological and neurodevelopmental disorders “in a dish”. Here, we provide an overview of the generation and modeling of both neuronal and glial cells from human iPSCs and a brief synthesis of recent work investigating neuroglial interactions using hiPSCs in a pathophysiological context.
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Benchoua A, Lasbareilles M, Tournois J. Contribution of Human Pluripotent Stem Cell-Based Models to Drug Discovery for Neurological Disorders. Cells 2021; 10:cells10123290. [PMID: 34943799 PMCID: PMC8699352 DOI: 10.3390/cells10123290] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/19/2021] [Accepted: 11/23/2021] [Indexed: 02/07/2023] Open
Abstract
One of the major obstacles to the identification of therapeutic interventions for central nervous system disorders has been the difficulty in studying the step-by-step progression of diseases in neuronal networks that are amenable to drug screening. Recent advances in the field of human pluripotent stem cell (PSC) biology offers the capability to create patient-specific human neurons with defined clinical profiles using reprogramming technology, which provides unprecedented opportunities for both the investigation of pathogenic mechanisms of brain disorders and the discovery of novel therapeutic strategies via drug screening. Many examples not only of the creation of human pluripotent stem cells as models of monogenic neurological disorders, but also of more challenging cases of complex multifactorial disorders now exist. Here, we review the state-of-the art brain cell types obtainable from PSCs and amenable to compound-screening formats. We then provide examples illustrating how these models contribute to the definition of new molecular or functional targets for drug discovery and to the design of novel pharmacological approaches for rare genetic disorders, as well as frequent neurodegenerative diseases and psychiatric disorders.
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Affiliation(s)
- Alexandra Benchoua
- Neuroplasticity and Therapeutics, CECS, I-STEM, AFM, 91100 Corbeil-Essonnes, France;
- High Throughput Screening Platform, CECS, I-STEM, AFM, 91100 Corbeil-Essonnes, France;
- Correspondence:
| | - Marie Lasbareilles
- Neuroplasticity and Therapeutics, CECS, I-STEM, AFM, 91100 Corbeil-Essonnes, France;
- UEVE UMR 861, I-STEM, AFM, 91100 Corbeil-Essonnes, France
| | - Johana Tournois
- High Throughput Screening Platform, CECS, I-STEM, AFM, 91100 Corbeil-Essonnes, France;
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Bubnys A, Tsai LH. Harnessing cerebral organoids for Alzheimer's disease research. Curr Opin Neurobiol 2021; 72:120-130. [PMID: 34818608 DOI: 10.1016/j.conb.2021.10.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/20/2021] [Accepted: 10/19/2021] [Indexed: 12/12/2022]
Abstract
Alzheimer's disease (AD) is a devastating neurodegenerative disorder affecting the aging population. Despite many studies, there remains an urgent need to identify the root causes of AD, together with potential treatments. Cerebral organoid technology has made it possible to model human neurophysiology and disease with increasing accuracy in patient-derived tissue cultures. Here, we review the most recent advances in modeling AD in organoids and other engineered three-dimensional cell culture systems. Early studies demonstrated that familial AD patient-derived organoids robustly develop disease pathology. Ongoing work has expanded this focus to investigate the genetic and environmental causes of late-onset sporadic AD and harness organoids for high-throughput drug screens. Future organoid models will need to incorporate additional cell types and tissues implicated in disease pathogenesis, including microglia and vasculature. We anticipate the continuation of this rapid progress in developing cerebral organoid technology toward facilitating our understanding of and informing treatment strategies for AD.
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Li J, Fraenkel E. Phenotyping Neurodegeneration in Human iPSCs. Annu Rev Biomed Data Sci 2021; 4:83-100. [PMID: 34465166 DOI: 10.1146/annurev-biodatasci-092820-025214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Induced pluripotent stem cell (iPSC) technology holds promise for modeling neurodegenerative diseases. Traditional approaches for disease modeling using animal and cellular models require knowledge of disease mutations. However, many patients with neurodegenerative diseases do not have a known genetic cause. iPSCs offer a way to generate patient-specific models and study pathways of dysfunction in an in vitro setting in order to understand the causes and subtypes of neurodegeneration. Furthermore, iPSC-based models can be used to search for candidate therapeutics using high-throughput screening. Here we review how iPSC-based models are currently being used to further our understanding of neurodegenerative diseases, as well as discuss their challenges and future directions.
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Affiliation(s)
- Jonathan Li
- Computational and Systems Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA;
| | - Ernest Fraenkel
- Computational and Systems Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA; .,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
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9
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Modeling leukemia with pediatric acute leukemia patient-derived iPSCs. Stem Cell Res 2021; 54:102404. [PMID: 34111697 DOI: 10.1016/j.scr.2021.102404] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 05/14/2021] [Accepted: 05/19/2021] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE ediatric acute leukemia (AL) is the most common hematological malignancy in childhood. However, the limitation of clinical specimens hindered the progress of research. Therefore, new research platforms are urgently needed to establish and clarify the pathogenesis of pediatric AL, and it is necessary to try to find novel targeted therapies for the clinical use. Here, the induced pluripotent stem cells (iPSCs) derived from AL provide a reliable model for basic research. METHODS eukemia cells were sorted by flow cytometry and then reprogrammed into iPSCs by Sendai virus. Cell cycle assay was used to analyze cell proliferation. RESULTS iPS cell lines from T cell acute lymphoblastic leukemia (T-ALL) and acute myeloid leukemia (AML) cells were successfully established. The reprogramming efficiency of AML cells was much higher than that of ALL cells. Disease iPS cells switched off the expression of the disease marker genes at iPS and HPC stage. When different subtypes of AML-iPSCs were differentiated into hematopoietic progenitor cells, iPS derived from acute megakaryocytic leukemia was more readily differentiated into megakaryocyte-erythroid progenitors. Whereas, the differentiation of multipotent lymphoid progenitor (MLP) and granulocyte macrophage progenitor (GMP) were blocked. The iPS derived from acute monocyte leukemia (AMCL) also showed the differentiation of common myeloid progenitors (CMP), GMP and monocytes significantly increased but MLP differentiation was inhibited. The AML-iPSC could form teratomas and we could obverse three germ layers in vivo, indicating that the AML-iPSCs have full pluripotency. However, there were not enough blood cells in teratoma to identify the leukemia. CONCLUSIONS Our results provide a novel platform for AL research and critical insight into the difference of hematopoietic differentiation between ALL and AML.
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Charvériat M, Lafon V, Mouthon F, Zimmer L. Innovative approaches in CNS drug discovery. Therapie 2021; 76:101-109. [DOI: 10.1016/j.therap.2020.12.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 09/04/2020] [Indexed: 12/15/2022]
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Bagheri-Mohammadi S. Stem cell-based therapy as a promising approach in Alzheimer's disease: current perspectives on novel treatment. Cell Tissue Bank 2021; 22:339-353. [PMID: 33398492 DOI: 10.1007/s10561-020-09896-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 12/19/2020] [Indexed: 12/12/2022]
Abstract
Alzheimer's disease (AD) is a neuronal disorder with insidious onset and slow progression, leading to growing global concern with huge implications for individuals and society. The occurrence of AD has been increased and has become an important health issue throughout the world. In recent years, the care of more than 35 million patients with AD costs over $ 600 billion per year, it is approximately 1 percent of the global Gross Domestic Product. Currently, the therapeutic approach is not effective for neurological deficits especially after the development of these major neurological disorders. The discovery of the technique called cell-based therapy has shown promising results and made important conclusions beyond AD using the stem cells approach. Here we review recent progress on stem cell-based therapy in the context of AD.
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Affiliation(s)
- Saeid Bagheri-Mohammadi
- Department of Physiology and Neurophysiology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran. .,Department of Physiology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran. .,Department of Applied Cell Sciences, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran.
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Loser D, Schaefer J, Danker T, Möller C, Brüll M, Suciu I, Ückert AK, Klima S, Leist M, Kraushaar U. Human neuronal signaling and communication assays to assess functional neurotoxicity. Arch Toxicol 2021; 95:229-252. [PMID: 33269408 PMCID: PMC7811517 DOI: 10.1007/s00204-020-02956-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/16/2020] [Indexed: 01/08/2023]
Abstract
Prediction of drug toxicity on the human nervous system still relies mainly on animal experiments. Here, we developed an alternative system allowing assessment of complex signaling in both individual human neurons and on the network level. The LUHMES cultures used for our approach can be cultured in 384-well plates with high reproducibility. We established here high-throughput quantification of free intracellular Ca2+ concentrations [Ca2+]i as broadly applicable surrogate of neuronal activity and verified the main processes by patch clamp recordings. Initially, we characterized the expression pattern of many neuronal signaling components and selected the purinergic receptors to demonstrate the applicability of the [Ca2+]i signals for quantitative characterization of agonist and antagonist responses on classical ionotropic neurotransmitter receptors. This included receptor sub-typing and the characterization of the anti-parasitic drug suramin as modulator of the cellular response to ATP. To exemplify potential studies on ion channels, we characterized voltage-gated sodium channels and their inhibition by tetrodotoxin, saxitoxin and lidocaine, as well as their opening by the plant alkaloid veratridine and the food-relevant marine biotoxin ciguatoxin. Even broader applicability of [Ca2+]i quantification as an end point was demonstrated by measurements of dopamine transporter activity based on the membrane potential-changing activity of this neurotransmitter carrier. The substrates dopamine or amphetamine triggered [Ca2+]i oscillations that were synchronized over the entire culture dish. We identified compounds that modified these oscillations by interfering with various ion channels. Thus, this new test system allows multiple types of neuronal signaling, within and between cells, to be assessed, quantified and characterized for their potential disturbance.
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Affiliation(s)
- Dominik Loser
- NMI Natural and Medical Sciences Institute at the University of Tuebingen, 72770, Reutlingen, Germany
- NMI TT GmbH, 72770, Reutlingen, Germany
- Life Sciences Faculty, Albstadt-Sigmaringen University, 72488, Sigmaringen, Germany
| | - Jasmin Schaefer
- NMI Natural and Medical Sciences Institute at the University of Tuebingen, 72770, Reutlingen, Germany
- NMI TT GmbH, 72770, Reutlingen, Germany
| | | | - Clemens Möller
- Life Sciences Faculty, Albstadt-Sigmaringen University, 72488, Sigmaringen, Germany
| | - Markus Brüll
- In Vitro Toxicology and Biomedicine, Department Inaugurated by the Doerenkamp-Zbinden Foundation, University of Konstanz, Universitaetsstr. 10, 78457, Constance, Germany
| | - Ilinca Suciu
- In Vitro Toxicology and Biomedicine, Department Inaugurated by the Doerenkamp-Zbinden Foundation, University of Konstanz, Universitaetsstr. 10, 78457, Constance, Germany
| | - Anna-Katharina Ückert
- In Vitro Toxicology and Biomedicine, Department Inaugurated by the Doerenkamp-Zbinden Foundation, University of Konstanz, Universitaetsstr. 10, 78457, Constance, Germany
| | - Stefanie Klima
- In Vitro Toxicology and Biomedicine, Department Inaugurated by the Doerenkamp-Zbinden Foundation, University of Konstanz, Universitaetsstr. 10, 78457, Constance, Germany
| | - Marcel Leist
- In Vitro Toxicology and Biomedicine, Department Inaugurated by the Doerenkamp-Zbinden Foundation, University of Konstanz, Universitaetsstr. 10, 78457, Constance, Germany.
| | - Udo Kraushaar
- NMI Natural and Medical Sciences Institute at the University of Tuebingen, 72770, Reutlingen, Germany
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Pasteuning-Vuhman S, de Jongh R, Timmers A, Pasterkamp RJ. Towards Advanced iPSC-based Drug Development for Neurodegenerative Disease. Trends Mol Med 2020; 27:263-279. [PMID: 33121873 DOI: 10.1016/j.molmed.2020.09.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/27/2020] [Accepted: 09/28/2020] [Indexed: 12/12/2022]
Abstract
Neurodegenerative diseases (NDDs) are a heterogeneous group of diseases that are characterized by the progressive loss of neurons leading to motor, sensory, and/or cognitive defects. Currently, NDDs are not curable and treatment focuses on alleviating symptoms and halting disease progression. Phenotypic heterogeneity between individual NDD patients, lack of robust biomarkers, the limited translational potential of experimental models, and other factors have hampered drug development for the treatment of NDDs. This review summarizes and discusses the use of induced pluripotent stem cell (iPSC) approaches for improving drug discovery and testing. It highlights challenges associated with iPSC modeling and also discusses innovative approaches such as brain organoids and microfluidic-based technology which will improve drug development for NDDs.
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Affiliation(s)
- Svetlana Pasteuning-Vuhman
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Rianne de Jongh
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Annabel Timmers
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - R Jeroen Pasterkamp
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands.
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pS421 huntingtin modulates mitochondrial phenotypes and confers neuroprotection in an HD hiPSC model. Cell Death Dis 2020; 11:809. [PMID: 32978366 PMCID: PMC7519662 DOI: 10.1038/s41419-020-02983-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 09/02/2020] [Accepted: 09/04/2020] [Indexed: 12/13/2022]
Abstract
Huntington disease (HD) is a hereditary neurodegenerative disorder caused by mutant huntingtin (mHTT). Phosphorylation at serine-421 (pS421) of mHTT has been shown to be neuroprotective in cellular and rodent models. However, the genetic context of these models differs from that of HD patients. Here we employed human pluripotent stem cells (hiPSCs), which express endogenous full-length mHTT. Using genome editing, we generated isogenic hiPSC lines in which the S421 site in mHTT has been mutated into a phospho-mimetic aspartic acid (S421D) or phospho-resistant alanine (S421A). We observed that S421D, rather than S421A, confers neuroprotection in hiPSC-derived neural cells. Although we observed no effect of S421D on mHTT clearance or axonal transport, two aspects previously reported to be impacted by phosphorylation of mHTT at S421, our analysis revealed modulation of several aspects of mitochondrial form and function. These include mitochondrial surface area, volume, and counts, as well as improved mitochondrial membrane potential and oxidative phosphorylation. Our study validates the protective role of pS421 on mHTT and highlights a facet of the relationship between mHTT and mitochondrial changes in the context of human physiology with potential relevance to the pathogenesis of HD.
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15
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Silva MC, Haggarty SJ. Human pluripotent stem cell-derived models and drug screening in CNS precision medicine. Ann N Y Acad Sci 2020; 1471:18-56. [PMID: 30875083 PMCID: PMC8193821 DOI: 10.1111/nyas.14012] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 01/02/2019] [Accepted: 01/07/2019] [Indexed: 12/12/2022]
Abstract
Development of effective therapeutics for neurological disorders has historically been challenging partly because of lack of accurate model systems in which to investigate disease etiology and test new therapeutics at the preclinical stage. Human stem cells, particularly patient-derived induced pluripotent stem cells (iPSCs) upon differentiation, have the ability to recapitulate aspects of disease pathophysiology and are increasingly recognized as robust scalable systems for drug discovery. We review advances in deriving cellular models of human central nervous system (CNS) disorders using iPSCs along with strategies for investigating disease-relevant phenotypes, translatable biomarkers, and therapeutic targets. Given their potential to identify novel therapeutic targets and leads, we focus on phenotype-based, small-molecule screens employing human stem cell-derived models. Integrated efforts to assemble patient iPSC-derived cell models with deeply annotated clinicopathological data, along with molecular and drug-response signatures, may aid in the stratification of patients, diagnostics, and clinical trial success, shifting translational science and precision medicine approaches. A number of remaining challenges, including the optimization of cost-effective, large-scale culture of iPSC-derived cell types, incorporation of aging into neuronal models, as well as robustness and automation of phenotypic assays to support quantitative drug efficacy, toxicity, and metabolism testing workflows, are covered. Continued advancement of the field is expected to help fully humanize the process of CNS drug discovery.
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Affiliation(s)
- M. Catarina Silva
- Chemical Neurobiology Laboratory, Departments of Neurology and Psychiatry, Massachusetts General Hospital, Center for Genomic Medicine, Harvard Medical School, Boston MA, USA
| | - Stephen J. Haggarty
- Chemical Neurobiology Laboratory, Departments of Neurology and Psychiatry, Massachusetts General Hospital, Center for Genomic Medicine, Harvard Medical School, Boston MA, USA
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16
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Lambrou GI, Hatziagapiou K, Vlahopoulos S. Inflammation and tissue homeostasis: the NF-κB system in physiology and malignant progression. Mol Biol Rep 2020; 47:4047-4063. [PMID: 32239468 DOI: 10.1007/s11033-020-05410-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 03/26/2020] [Indexed: 02/07/2023]
Abstract
Disruption of tissue function activates cellular stress which triggers a number of mechanisms that protect the tissue from further damage. These mechanisms involve a number of homeostatic modules, which are regulated at the level of gene expression by the transactivator NF-κB. This transcription factor shifts between activation and repression of discrete, cell-dependent gene expression clusters. Some of its target genes provide feedback to NF-κB itself, thereby strengthening the inflammatory response of the tissue and later terminating inflammation to facilitate restoration of tissue homeostasis. Disruption of key feedback modules for NF-κB in certain cell types facilitates the survival of clones with genomic aberrations, and protects them from being recognized and eliminated by the immune system, to enable thereby carcinogenesis.
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Affiliation(s)
- George I Lambrou
- First Department of Pediatrics, National and Kapodistrian University of Athens, Thivon & Levadeias 8, 11527, Goudi-Athens, Greece
| | - Kyriaki Hatziagapiou
- First Department of Pediatrics, National and Kapodistrian University of Athens, Thivon & Levadeias 8, 11527, Goudi-Athens, Greece
| | - Spiros Vlahopoulos
- First Department of Pediatrics, National and Kapodistrian University of Athens, Thivon & Levadeias 8, 11527, Goudi-Athens, Greece.
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17
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Zhang X, Hu D, Shang Y, Qi X. Using induced pluripotent stem cell neuronal models to study neurodegenerative diseases. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165431. [PMID: 30898538 PMCID: PMC6751032 DOI: 10.1016/j.bbadis.2019.03.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 02/09/2019] [Accepted: 03/14/2019] [Indexed: 12/12/2022]
Abstract
Current application of human induced pluripotent stem cells (hiPSCs) technology in patient-specific models of neurodegenerative disorders recapitulate some of key phenotypes of diseases, representing disease-specific cellular modeling and providing a unique platform for therapeutics development. We review recent efforts toward advancing hiPSCs-derived neuronal cell types and highlight their potential use for the development of more complex in vitro models of neurodegenerative diseases by focusing on Alzheimer's disease, Parkinson's disease, Huntington's disease and Amyotrophic lateral sclerosis. We present evidence from previous works on the important phenotypic changes of various neuronal types in these neurological diseases. We also summarize efforts on conducting low- and high-throughput screening experiments with hiPSCs toward developing potential therapeutics for treatment of neurodegenerative diseases. Lastly, we discuss the limitations of hiPSCs culture system in studying neurodegenerative diseases and alternative strategies to overcome these hurdles.
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Affiliation(s)
- Xinwen Zhang
- Center of Implant Dentistry, School of Stomatology, China Medical University, Shenyang 110002, China; Department of Physiology & Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Di Hu
- Department of Physiology & Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Yutong Shang
- Department of Physiology & Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Xin Qi
- Department of Physiology & Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA; Center for Mitochondrial Diseases, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.
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18
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Wu YY, Chiu FL, Yeh CS, Kuo HC. Opportunities and challenges for the use of induced pluripotent stem cells in modelling neurodegenerative disease. Open Biol 2020; 9:180177. [PMID: 30958120 PMCID: PMC6367134 DOI: 10.1098/rsob.180177] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Adult-onset neurodegenerative diseases are among the most difficult human health conditions to model for drug development. Most genetic or toxin-induced cell and animal models cannot faithfully recapitulate pathology in disease-relevant cells, making it excessively challenging to explore the potential mechanisms underlying sporadic disease. Patient-derived induced pluripotent stem cells (iPSCs) can be differentiated into disease-relevant neurons, providing an unparalleled platform for in vitro modelling and development of therapeutic strategies. Here, we review recent progress in generating Alzheimer's, Parkinson's and Huntington's disease models from patient-derived iPSCs. We also describe novel discoveries of pathological mechanisms and drug evaluations that have used these patient iPSC-derived neuronal models. Additionally, current human iPSC technology allows researchers to model diseases with 3D brain organoids, which are more representative of tissue architecture than traditional neuronal cultures. We discuss remaining challenges and emerging opportunities for the use of three-dimensional brain organoids in modelling brain development and neurodegeneration.
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Affiliation(s)
- Yi-Ying Wu
- 1 Institute of Cellular and Organismic Biology, Academia Sinica , Taipei 11529 , Taiwan, Republic of China
| | - Feng-Lan Chiu
- 1 Institute of Cellular and Organismic Biology, Academia Sinica , Taipei 11529 , Taiwan, Republic of China
| | - Chan-Shien Yeh
- 1 Institute of Cellular and Organismic Biology, Academia Sinica , Taipei 11529 , Taiwan, Republic of China
| | - Hung-Chih Kuo
- 1 Institute of Cellular and Organismic Biology, Academia Sinica , Taipei 11529 , Taiwan, Republic of China.,2 Genomics Research Center, Academia Sinica , Taipei 11529 , Taiwan, Republic of China.,3 Graduate Institute of Medical Genomics and Proteomics, College of Medicine, National Taiwan University , Taipei , Taiwan, Republic of China
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19
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Robert J, Button EB, Martin EM, McAlary L, Gidden Z, Gilmour M, Boyce G, Caffrey TM, Agbay A, Clark A, Silverman JM, Cashman NR, Wellington CL. Cerebrovascular amyloid Angiopathy in bioengineered vessels is reduced by high-density lipoprotein particles enriched in Apolipoprotein E. Mol Neurodegener 2020; 15:23. [PMID: 32213187 PMCID: PMC7093966 DOI: 10.1186/s13024-020-00366-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 02/13/2020] [Indexed: 12/21/2022] Open
Abstract
Background Several lines of evidence suggest that high-density lipoprotein (HDL) reduces Alzheimer’s disease (AD) risk by decreasing vascular beta-amyloid (Aβ) deposition and inflammation, however, the mechanisms by which HDL improve cerebrovascular functions relevant to AD remain poorly understood. Methods Here we use a human bioengineered model of cerebral amyloid angiopathy (CAA) to define several mechanisms by which HDL reduces Aβ deposition within the vasculature and attenuates endothelial inflammation as measured by monocyte binding. Results We demonstrate that HDL reduces vascular Aβ accumulation independently of its principal binding protein, scavenger receptor (SR)-BI, in contrast to the SR-BI-dependent mechanism by which HDL prevents Aβ-induced vascular inflammation. We describe multiple novel mechanisms by which HDL acts to reduce CAA, namely: i) altering Aβ binding to collagen-I, ii) forming a complex with Aβ that maintains its solubility, iii) lowering collagen-I protein levels produced by smooth-muscle cells (SMC), and iv) attenuating Aβ uptake into SMC that associates with reduced low density lipoprotein related protein 1 (LRP1) levels. Furthermore, we show that HDL particles enriched in apolipoprotein (apo)E appear to be the major drivers of these effects, providing new insights into the peripheral role of apoE in AD, in particular, the fraction of HDL that contains apoE. Conclusion The findings in this study identify new mechanisms by which circulating HDL, particularly HDL particles enriched in apoE, may provide vascular resilience to Aβ and shed new light on a potential role of peripherally-acting apoE in AD.
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Affiliation(s)
- Jerome Robert
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada. .,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada. .,Present address: Institute of Clinical Chemistry, University Hospital Zurich, 8000, Zurich, Switzerland.
| | - Emily B Button
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Emma M Martin
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Luke McAlary
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, Canada
| | - Zoe Gidden
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Megan Gilmour
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Guilaine Boyce
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Tara M Caffrey
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Andrew Agbay
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Amanda Clark
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada
| | - Judith M Silverman
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,Department of Neurology, University of British Columbia, Vancouver, British Columbia, V6T 2B5, Canada
| | - Neil R Cashman
- Department of Neurology, University of British Columbia, Vancouver, British Columbia, V6T 2B5, Canada
| | - Cheryl L Wellington
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,School of Biomedical Engineering, University of British Columbia, Vancouver, British Columbia, V6T 1Z3, Canada.,International Collaboration on Repair Discoveries, University of British Columbia, Vancouver, British Columbia, V5Z 1M9, Canada
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20
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Porterfield V, Khan SS, Foff EP, Koseoglu MM, Blanco IK, Jayaraman S, Lien E, McConnell MJ, Bloom GS, Lazo JS, Sharlow ER. A three-dimensional dementia model reveals spontaneous cell cycle re-entry and a senescence-associated secretory phenotype. Neurobiol Aging 2020; 90:125-134. [PMID: 32184029 DOI: 10.1016/j.neurobiolaging.2020.02.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/31/2020] [Accepted: 02/12/2020] [Indexed: 12/12/2022]
Abstract
A hexanucleotide repeat expansion on chromosome 9 open reading frame 72 (C9orf72) is associated with familial amyotrophic lateral sclerosis (ALS) and a subpopulation of patients with sporadic ALS and frontotemporal dementia. We used inducible pluripotent stem cells from neurotypic and C9orf72+ (C9+) ALS patients to derive neuronal progenitor cells. We demonstrated that C9+ and neurotypic neuronal progenitor cells differentiate into neurons. The C9+ neurons, however, spontaneously re-expressed cyclin D1 after 12 weeks, suggesting cell cycle re-engagement. Gene profiling revealed significant increases in senescence-associated genes in C9+ neurons. Moreover, C9+ neurons expressed high levels of mRNA for CXCL8, a chemokine overexpressed by senescent cells, while media from C9+ neurons contained significant levels of CXCL8, CXCL1, IL13, IP10, CX3CL1, and reactive oxygen species, which are components of the senescence-associated secretory phenotype. Thus, re-engagement of cell cycle-associated proteins and a senescence-associated secretory phenotype could be fundamental components of neuronal dysfunction in ALS and frontotemporal dementia.
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Affiliation(s)
- Veronica Porterfield
- Department of Neurology, University of Virginia, Charlottesville, VA, USA; University of Virginia Stem Cell Core, Office of Research Core Administration, University of Virginia, Charlottesville, VA, USA; Department of Cell Biology, University of Virginia, Charlottesville, VA, USA
| | - Shahzad S Khan
- Department of Biology, University of Virginia, Charlottesville, VA, USA
| | - Erin P Foff
- Department of Neurology, University of Virginia, Charlottesville, VA, USA
| | - Mehmet Murat Koseoglu
- Department of Biology, University of Virginia, Charlottesville, VA, USA; Department of Pharmacology, University of Virginia, Charlottesville, VA, USA; Fiske Drug Discovery Laboratory, University of Virginia, Charlottesville, VA, USA
| | - Isabella K Blanco
- Department of Pharmacology, University of Virginia, Charlottesville, VA, USA
| | - Sruthi Jayaraman
- Department of Pharmacology, University of Virginia, Charlottesville, VA, USA
| | - Eric Lien
- Department of Pharmacology, University of Virginia, Charlottesville, VA, USA
| | - Michael J McConnell
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA; Department of Neuroscience, University of Virginia, Charlottesville, VA, USA
| | - George S Bloom
- Department of Cell Biology, University of Virginia, Charlottesville, VA, USA; Department of Biology, University of Virginia, Charlottesville, VA, USA; Department of Neuroscience, University of Virginia, Charlottesville, VA, USA
| | - John S Lazo
- Department of Pharmacology, University of Virginia, Charlottesville, VA, USA; Fiske Drug Discovery Laboratory, University of Virginia, Charlottesville, VA, USA
| | - Elizabeth R Sharlow
- Department of Pharmacology, University of Virginia, Charlottesville, VA, USA; Fiske Drug Discovery Laboratory, University of Virginia, Charlottesville, VA, USA.
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21
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Seranova E, Palhegyi AM, Verma S, Dimova S, Lasry R, Naama M, Sun C, Barrett T, Rosenstock TR, Kumar D, Cohen MA, Buganim Y, Sarkar S. Human Induced Pluripotent Stem Cell Models of Neurodegenerative Disorders for Studying the Biomedical Implications of Autophagy. J Mol Biol 2020; 432:2754-2798. [PMID: 32044344 DOI: 10.1016/j.jmb.2020.01.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/22/2020] [Accepted: 01/23/2020] [Indexed: 12/12/2022]
Abstract
Autophagy is an intracellular degradation process that is essential for cellular survival, tissue homeostasis, and human health. The housekeeping functions of autophagy in mediating the clearance of aggregation-prone proteins and damaged organelles are vital for post-mitotic neurons. Improper functioning of this process contributes to the pathology of myriad human diseases, including neurodegeneration. Impairment in autophagy has been reported in several neurodegenerative diseases where pharmacological induction of autophagy has therapeutic benefits in cellular and transgenic animal models. However, emerging studies suggest that the efficacy of autophagy inducers, as well as the nature of the autophagy defects, may be context-dependent, and therefore, studies in disease-relevant experimental systems may provide more insights for clinical translation to patients. With the advancements in human stem cell technology, it is now possible to establish disease-affected cellular platforms from patients for investigating disease mechanisms and identifying candidate drugs in the appropriate cell types, such as neurons that are otherwise not accessible. Towards this, patient-derived human induced pluripotent stem cells (hiPSCs) have demonstrated considerable promise in constituting a platform for effective disease modeling and drug discovery. Multiple studies have utilized hiPSC models of neurodegenerative diseases to study autophagy and evaluate the therapeutic efficacy of autophagy inducers in neuronal cells. This review provides an overview of the regulation of autophagy, generation of hiPSCs via cellular reprogramming, and neuronal differentiation. It outlines the findings in various neurodegenerative disorders where autophagy has been studied using hiPSC models.
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Affiliation(s)
- Elena Seranova
- Institute of Cancer and Genomic Sciences, Institute of Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Adina Maria Palhegyi
- Institute of Cancer and Genomic Sciences, Institute of Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Surbhi Verma
- Institute of Cancer and Genomic Sciences, Institute of Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom; Cellular Immunology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Simona Dimova
- Institute of Cancer and Genomic Sciences, Institute of Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Rachel Lasry
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, The Hebrew University Hadassah Medical School, Jerusalem, 91120, Israel
| | - Moriyah Naama
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, The Hebrew University Hadassah Medical School, Jerusalem, 91120, Israel
| | - Congxin Sun
- Institute of Cancer and Genomic Sciences, Institute of Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Timothy Barrett
- Institute of Cancer and Genomic Sciences, Institute of Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Tatiana Rosado Rosenstock
- Department of Physiological Science, Santa Casa de São Paulo School of Medical Sciences, São Paulo, SP, 01221-020, Brazil
| | - Dhiraj Kumar
- Cellular Immunology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Malkiel A Cohen
- Whitehead Institute for Biomedical Research, Cambridge, MA, 02142, USA
| | - Yosef Buganim
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, The Hebrew University Hadassah Medical School, Jerusalem, 91120, Israel
| | - Sovan Sarkar
- Institute of Cancer and Genomic Sciences, Institute of Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom.
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22
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Penney J, Ralvenius WT, Tsai LH. Modeling Alzheimer's disease with iPSC-derived brain cells. Mol Psychiatry 2020; 25:148-167. [PMID: 31391546 PMCID: PMC6906186 DOI: 10.1038/s41380-019-0468-3] [Citation(s) in RCA: 235] [Impact Index Per Article: 58.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 04/10/2019] [Accepted: 05/13/2019] [Indexed: 12/21/2022]
Abstract
Alzheimer's disease is a devastating neurodegenerative disorder with no cure. Countless promising therapeutics have shown efficacy in rodent Alzheimer's disease models yet failed to benefit human patients. While hope remains that earlier intervention with existing therapeutics will improve outcomes, it is becoming increasingly clear that new approaches to understand and combat the pathophysiology of Alzheimer's disease are needed. Human induced pluripotent stem cell (iPSC) technologies have changed the face of preclinical research and iPSC-derived cell types are being utilized to study an array of human conditions, including neurodegenerative disease. All major brain cell types can now be differentiated from iPSCs, while increasingly complex co-culture systems are being developed to facilitate neuroscience research. Many cellular functions perturbed in Alzheimer's disease can be recapitulated using iPSC-derived cells in vitro, and co-culture platforms are beginning to yield insights into the complex interactions that occur between brain cell types during neurodegeneration. Further, iPSC-based systems and genome editing tools will be critical in understanding the roles of the numerous new genes and mutations found to modify Alzheimer's disease risk in the past decade. While still in their relative infancy, these developing iPSC-based technologies hold considerable promise to push forward efforts to combat Alzheimer's disease and other neurodegenerative disorders.
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Affiliation(s)
- Jay Penney
- Department of Brain and Cognitive Sciences, Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - William T Ralvenius
- Department of Brain and Cognitive Sciences, Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Li-Huei Tsai
- Department of Brain and Cognitive Sciences, Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
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23
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Zhang FQ, Jiang JL, Zhang JT, Niu H, Fu XQ, Zeng LL. Current status and future prospects of stem cell therapy in Alzheimer's disease. Neural Regen Res 2020; 15:242-250. [PMID: 31552889 PMCID: PMC6905342 DOI: 10.4103/1673-5374.265544] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Alzheimer’s disease is a common progressive neurodegenerative disorder, pathologically characterized by the presence of β-amyloid plaques and neurofibrillary tangles. Current treatment approaches using drugs only alleviate the symptoms without curing the disease, which is a serious issue and influences the quality of life of the patients and their caregivers. In recent years, stem cell technology has provided new insights into the treatment of neurodegenerative diseases, including Alzheimer’s disease, Parkinson’s disease, and amyotrophic lateral sclerosis. Currently, the main sources of stem cells include neural stem cells, embryonic stem cells, mesenchymal stem cells, and induced pluripotent stem cells. In this review, we discuss the pathophysiology and general treatment of Alzheimer’s disease, and the current state of stem cell transplantation in the treatment of Alzheimer’s disease. We also assess future challenges in the clinical application and drug development of stem cell transplantation as a treatment for Alzheimer’s disease.
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Affiliation(s)
- Fu-Qiang Zhang
- Scientific Research Centre of China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - Jin-Lan Jiang
- Scientific Research Centre of China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - Jing-Tian Zhang
- School of Life Sciences, Jilin University, Changchun, Jilin Province, China
| | - Han Niu
- School of Life Sciences, Jilin University, Changchun, Jilin Province, China
| | - Xue-Qi Fu
- School of Life Sciences, Jilin University, Changchun, Jilin Province, China
| | - Lin-Lin Zeng
- School of Life Sciences, Jilin University, Changchun, Jilin Province, China
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24
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Oxidative DNA Damage Signalling in Neural Stem Cells in Alzheimer's Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:2149812. [PMID: 31814869 PMCID: PMC6877938 DOI: 10.1155/2019/2149812] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 10/25/2019] [Indexed: 01/06/2023]
Abstract
The main pathological symptoms of Alzheimer's disease (AD) are β-amyloid (Aβ) lesions and intracellular neurofibrillary tangles of hyperphosphorylated tau protein. Unfortunately, existing symptomatic therapies targeting Aβ and tau remain ineffective. In addition to these pathogenic factors, oxidative DNA damage is one of the major threats to newborn neurons. It is necessary to consider in detail what causes neurons to be extremely susceptible to oxidative damage, especially in the early stages of development. Accordingly, the regulation of redox status is crucial for the functioning of neural stem cells (NSCs). The redox-dependent balance, of NSC proliferation and differentiation and thus the neurogenesis process, is controlled by a series of signalling pathways. One of the most important signalling pathways activated after oxidative stress is the DNA damage response (DDR). Unfortunately, our understanding of adult neurogenesis in AD is still limited due to the research material used (animal models or post-mortem tissue), providing inconsistent data. Now, thanks to the advances in cellular reprogramming providing patient NSCs, it is possible to fill this gap, which becomes urgent in the light of the potential of their therapeutic use. Therefore, a decent review of redox signalling in NSCs under physiological and pathological conditions is required. At this moment, we attempt to integrate knowledge on the influence of oxidative stress and DDR signalling in NSCs on adult neurogenesis in Alzheimer's disease.
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25
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Soldner F, Jaenisch R. Stem Cells, Genome Editing, and the Path to Translational Medicine. Cell 2019; 175:615-632. [PMID: 30340033 DOI: 10.1016/j.cell.2018.09.010] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/31/2018] [Accepted: 09/05/2018] [Indexed: 12/22/2022]
Abstract
The derivation of human embryonic stem cells (hESCs) and the stunning discovery that somatic cells can be reprogrammed into human induced pluripotent stem cells (hiPSCs) holds the promise to revolutionize biomedical research and regenerative medicine. In this Review, we focus on disorders of the central nervous system and explore how advances in human pluripotent stem cells (hPSCs) coincide with evolutions in genome engineering and genomic technologies to provide realistic opportunities to tackle some of the most devastating complex disorders.
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Affiliation(s)
- Frank Soldner
- The Whitehead Institute for Biomedical Research, 455 Main Street, Cambridge, MA 02142, USA
| | - Rudolf Jaenisch
- The Whitehead Institute for Biomedical Research, 455 Main Street, Cambridge, MA 02142, USA; Department of Biology, Massachusetts Institute of Technology, 31 Ames Street, Cambridge, MA 02139, USA.
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26
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Pimentel RN, Navarro PA, Wang F, Robinson LG, Cammer M, Liang F, Kramer Y, Keefe DL. Amyloid-like substance in mice and human oocytes and embryos. J Assist Reprod Genet 2019; 36:1877-1890. [PMID: 31332596 DOI: 10.1007/s10815-019-01530-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 07/09/2019] [Indexed: 11/30/2022] Open
Abstract
PURPOSE To identify and characterize amyloid-like substance (ALS) in human and mouse oocytes and preimplantation embryos. METHODS An experimental prospective pilot study. A total of 252 mouse oocytes and preimplantation embryos and 50 immature and in vitro matured human oocytes and parthenogenetic human embryos, from 11 consenting fertility patients, ages 18-45. Fluorescence intensity from immunofluorescent staining and data from confocal microscopy were quantified. Data were compared by one-way analysis of variance, with the least square-MEANS post-test, Pearson correlation coefficients (r), and bivariate analyses (t tests). ALS morphology was verified using transmission electron microscopy. RESULTS Immunostaining for ALS appears throughout the zona pellucida, as well as in the cytoplasm and nucleus of mouse and human oocytes, polar bodies, and parthenogenetic embryos, and mouse preimplantation embryos. In mouse, 2-cell embryos exhibited the highest level of ALS (69000187.4 ± 6733098.07). Electron microscopy confirmed the presence of ALS. In humans, fresh germinal vesicle stage oocytes exhibited the highest level of ALS (4164.74088 ± 1573.46) followed by metaphase I and II stages (p = 0.008). There was a significant negative association between levels of ALS and patient body mass index, number of days of ovarian stimulation, dose of gonadotropin used, time between retrieval and fixation, and time after the hCG trigger. Significantly higher levels of ALS were found in patients with AMH between 1 and 3 ng/ml compared to < 1 ng/ml. CONCLUSION We demonstrate for the first time the presence, distribution, and change in ALS throughout some stages of mouse and human oocyte maturation and embryonic development. We also determine associations between ALS in human oocytes with clinical characteristics.
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Affiliation(s)
- Ricardo N Pimentel
- Research Scientist from the Department of Obstetrics and Gynecology, New York University School of Medicine, 550 First Avenue, NBV 9N1, New York, NY, USA.,Human Reproduction Division, Department of Obstetrics and Gynecology, Faculty of Medicine of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Paula A Navarro
- Human Reproduction Division, Department of Obstetrics and Gynecology, Faculty of Medicine of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Fang Wang
- Department of Obstetrics and Gynecology, Langone Medical Center, New York University, New York, NY, USA
| | - LeRoy G Robinson
- Department of Obstetrics and Gynecology, Langone Medical Center, New York University, New York, NY, USA
| | - Michael Cammer
- DART Microscopy Laboratory, New York University School of Medicine, New York, NY, USA
| | - Fengxia Liang
- DART Microscopy Laboratory, New York University School of Medicine, New York, NY, USA
| | - Yael Kramer
- Department of Obstetrics and Gynecology, Langone Medical Center, New York University, New York, NY, USA
| | - David Lawrence Keefe
- Department of Obstetrics and Gynecology, Langone Medical Center, New York University, New York, NY, USA.
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27
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Linsley JW, Reisine T, Finkbeiner S. Cell death assays for neurodegenerative disease drug discovery. Expert Opin Drug Discov 2019; 14:901-913. [PMID: 31179783 DOI: 10.1080/17460441.2019.1623784] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Introduction: Neurodegenerative diseases affect millions of people worldwide. Neurodegeneration is gradual over time, characterized by neuronal death that causes deterioration of cognitive or motor functions, ultimately leading to the patient's death. Currently, there are no treatments that effectively slow the progression of any neurodegenerative disease, but improved microscopy assays and models for neurodegeneration could lead the way to the discovery of disease-modifying therapeutics. Areas covered: Herein, the authors describe cell-based assays used to discover drugs with the potential to slow neurodegeneration, and their associated disease models. They focus on microscopy technologies that can be adapted to a high-throughput screening format that both detect cell death and monitor early signs of neurodegeneration and functional changes to identify drugs that the block early stages of neurodegeneration. Expert opinion: Many different phenotypes have been used in screens for the development of therapeutics towards neurodegenerative disease. The context of each phenotype in relation to neurodegeneration must be established to identify therapeutics likely to successfully target and treat disease. The use of improved models of neurodegeneration, statistical analyses, computational models, and improved markers of neuronal death will help in this pursuit and lead to better screening methods to identify therapeutic compounds against neurodegenerative disease.
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Affiliation(s)
- Jeremy W Linsley
- a Gladstone Center for Systems and Therapeutics , San Francisco , CA , USA
| | - Terry Reisine
- b Independent scientific consultant , Santa Cruz , CA , USA
| | - Steven Finkbeiner
- a Gladstone Center for Systems and Therapeutics , San Francisco , CA , USA.,c Neuroscience Graduate Program, University of California , San Francisco , CA , USA.,d Biomedical Sciences and Neuroscience Graduate Program, University of California , San Francisco , CA , USA.,e Taube/Koret Center for Neurodegenerative Disease, Gladstone Institutes , San Francisco , CA , USA.,f Department of Neurology, University of California , San Francisco , CA , USA.,g Department of Physiology, University of California , San Francisco , CA , USA
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28
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Chowdury MA, Heileman KL, Moore TA, Young EWK. Biomicrofluidic Systems for Hematologic Cancer Research and Clinical Applications. SLAS Technol 2019; 24:457-476. [PMID: 31173533 DOI: 10.1177/2472630319846878] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A persistent challenge in developing personalized treatments for hematologic cancers is the lack of patient specific, physiologically relevant disease models to test investigational drugs in clinical trials and to select therapies in a clinical setting. Biomicrofluidic systems and organ-on-a-chip technologies have the potential to change how researchers approach the fundamental study of hematologic cancers and select clinical treatment for individual patient. Here, we review microfluidics cell-based technology with application toward studying hematologic tumor microenvironments (TMEs) for the purpose of drug discovery and clinical treatment selection. We provide an overview of state-of-the-art microfluidic systems designed to address questions related to hematologic TMEs and drug development. Given the need to develop personalized treatment platforms involving this technology, we review pharmaceutical drugs and different modes of immunotherapy for hematologic cancers, followed by key considerations for developing a physiologically relevant microfluidic companion diagnostic tool for mimicking different hematologic TMEs for testing with different drugs in clinical trials. Opportunities lie ahead for engineers to revolutionize conventional drug discovery strategies of hematologic cancers, including integrating cell-based microfluidics technology with machine learning and automation techniques, which may stimulate pharma and regulatory bodies to promote research and applications of microfluidics technology for drug development.
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Affiliation(s)
- Mosfera A Chowdury
- Department of Mechanical & Industrial Engineering, University of Toronto, Toronto, ON, Canada
| | - Khalil L Heileman
- Department of Mechanical & Industrial Engineering, University of Toronto, Toronto, ON, Canada.,Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
| | - Thomas A Moore
- Department of Mechanical & Industrial Engineering, University of Toronto, Toronto, ON, Canada
| | - Edmond W K Young
- Department of Mechanical & Industrial Engineering, University of Toronto, Toronto, ON, Canada.,Institute of Biomaterials & Biomedical Engineering, University of Toronto, Toronto, ON, Canada
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29
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Use of human pluripotent stem cell-derived cells for neurodegenerative disease modeling and drug screening platform. Future Med Chem 2019; 11:1305-1322. [DOI: 10.4155/fmc-2018-0520] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Most neurodegenerative diseases are characterized by a complex and mostly still unresolved pathology. This fact, together with the lack of reliable disease models, has precluded the development of effective therapies counteracting the disease progression. The advent of human pluripotent stem cells has revolutionized the field allowing the generation of disease-relevant neural cell types that can be used for disease modeling, drug screening and, possibly, cell transplantation purposes. In this Review, we discuss the applications of human pluripotent stem cells, the development of efficient protocols for the derivation of the different neural cells and their applicability for robust in vitro disease modeling and drug screening platforms for most common neurodegenerative conditions.
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30
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Hawkins KE, Duchen M. Modelling mitochondrial dysfunction in Alzheimer’s disease using human induced pluripotent stem cells. World J Stem Cells 2019; 11:236-253. [PMID: 31171953 PMCID: PMC6545525 DOI: 10.4252/wjsc.v11.i5.236] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 02/22/2019] [Accepted: 03/26/2019] [Indexed: 02/06/2023] Open
Abstract
Alzheimer’s disease (AD) is the most common form of dementia. To date, only five pharmacological agents have been approved by the Food and Drug Administration for clinical use in AD, all of which target the symptoms of the disease rather than the cause. Increasing our understanding of the underlying pathophysiology of AD will facilitate the development of new therapeutic strategies. Over the years, the major hypotheses of AD etiology have focused on deposition of amyloid beta and mitochondrial dysfunction. In this review we highlight the potential of experimental model systems based on human induced pluripotent stem cells (iPSCs) to provide novel insights into the cellular pathophysiology underlying neurodegeneration in AD. Whilst Down syndrome and familial AD iPSC models faithfully reproduce features of AD such as accumulation of Aβ and tau, oxidative stress and mitochondrial dysfunction, sporadic AD is much more difficult to model in this way due to its complex etiology. Nevertheless, iPSC-based modelling of AD has provided invaluable insights into the underlying pathophysiology of the disease, and has a huge potential for use as a platform for drug discovery.
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Affiliation(s)
- Kate Elizabeth Hawkins
- Cell and Developmental Biology, Division of Biosciences, University College London, London WC1E 6BT, United Kingdom
| | - Michael Duchen
- Cell and Developmental Biology, Division of Biosciences, University College London, London WC1E 6BT, United Kingdom
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31
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Sharlow ER, Koseoglu MM, Bloom GS, Lazo JS. The Promise and Perils of Compound Discovery Screening with Inducible Pluripotent Cell-Derived Neurons. Assay Drug Dev Technol 2019; 18:97-103. [PMID: 31095406 DOI: 10.1089/adt.2019.914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Neurological diseases comprise more than a thousand ailments that adversely affect the brain and nervous system. When grouped together, these neurological conditions impact an estimated 100 million individuals in the United States and up to a billion people worldwide, making drug discovery efforts imperative. However, recent research and development efforts for these neurological diseases, including Alzheimer's disease and amyotrophic lateral sclerosis, have been exceedingly disappointing and typify the challenges associated with translating in vitro and cell-based discoveries to successful preclinical models and subsequent human clinical trials. Our viewpoint is that neuronal progenitor cells and neurons derived from inducible pluripotent stem cells afford an innovative translational bridge, with higher pathological relevancy than previous cellular models. We outline some of the opportunities and challenges associated with their evolving usage in drug discovery and development.
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Affiliation(s)
- Elizabeth R Sharlow
- Department of Pharmacology, University of Virginia, Charlottesville, Virginia.,Fiske Drug Discovery Laboratory, University of Virginia, Charlottesville, Virginia
| | - Mehmet Murat Koseoglu
- Department of Pharmacology, University of Virginia, Charlottesville, Virginia.,Fiske Drug Discovery Laboratory, University of Virginia, Charlottesville, Virginia
| | - George S Bloom
- Department of Biology, University of Virginia, Charlottesville, Virginia.,Department of Cell Biology, University of Virginia, Charlottesville, Virginia.,Department of Neuroscience, University of Virginia, Charlottesville, Virginia
| | - John S Lazo
- Department of Pharmacology, University of Virginia, Charlottesville, Virginia.,Fiske Drug Discovery Laboratory, University of Virginia, Charlottesville, Virginia.,Department of Chemistry, University of Virginia, Charlottesville, Virginia.,Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia
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32
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Little D, Ketteler R, Gissen P, Devine MJ. Using stem cell-derived neurons in drug screening for neurological diseases. Neurobiol Aging 2019; 78:130-141. [PMID: 30925301 DOI: 10.1016/j.neurobiolaging.2019.02.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 02/07/2019] [Accepted: 02/09/2019] [Indexed: 12/22/2022]
Abstract
Induced pluripotent stem cells and their derivatives have become an important tool for researching disease mechanisms. It is hoped that they could be used to discover new therapies by providing the most reliable and relevant human in vitro disease models for drug discovery. This review will summarize recent efforts to use stem cell-derived neurons for drug screening. We also explain the current hurdles to using these cells for high-throughput pharmaceutical screening and developments that may help overcome these hurdles. Finally, we critically discuss whether induced pluripotent stem cell-derived neurons will come to fruition as a model that is regularly used to screen for drugs to treat neurological diseases.
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Affiliation(s)
- Daniel Little
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK.
| | - Robin Ketteler
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Paul Gissen
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Michael J Devine
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK; Department of Neuroscience, Physiology and Pharmacology, University College London, London, UK
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33
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Reinhardt L, Kordes S, Reinhardt P, Glatza M, Baumann M, Drexler HCA, Menninger S, Zischinsky G, Eickhoff J, Fröb C, Bhattarai P, Arulmozhivarman G, Marrone L, Janosch A, Adachi K, Stehling M, Anderson EN, Abo-Rady M, Bickle M, Pandey UB, Reimer MM, Kizil C, Schöler HR, Nussbaumer P, Klebl B, Sterneckert JL. Dual Inhibition of GSK3β and CDK5 Protects the Cytoskeleton of Neurons from Neuroinflammatory-Mediated Degeneration In Vitro and In Vivo. Stem Cell Reports 2019; 12:502-517. [PMID: 30773488 PMCID: PMC6409486 DOI: 10.1016/j.stemcr.2019.01.015] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 01/16/2019] [Accepted: 01/17/2019] [Indexed: 12/13/2022] Open
Abstract
Neuroinflammation is a hallmark of neurological disorders and is accompanied by the production of neurotoxic agents such as nitric oxide. We used stem cell-based phenotypic screening and identified small molecules that directly protected neurons from neuroinflammation-induced degeneration. We demonstrate that inhibition of CDK5 is involved in, but not sufficient for, neuroprotection. Instead, additional inhibition of GSK3β is required to enhance the neuroprotective effects of CDK5 inhibition, which was confirmed using short hairpin RNA-mediated knockdown of CDK5 and GSK3β. Quantitative phosphoproteomics and high-content imaging demonstrate that neurite degeneration is mediated by aberrant phosphorylation of multiple microtubule-associated proteins. Finally, we show that our hit compound protects neurons in vivo in zebrafish models of motor neuron degeneration and Alzheimer's disease. Thus, we demonstrate an overlap of CDK5 and GSK3β in mediating the regulation of the neuronal cytoskeleton and that our hit compound LDC8 represents a promising starting point for neuroprotective drugs. Phenotypic screening identifies CDK inhibitors protecting neurons from inflammation Inhibition of CDK5 is involved in neuroprotection but is not sufficient Dual inhibition of CDK5 and GSK3β is neuroprotective in vitro and in vivo Quantitative phosphoproteomics links neuroprotection to microtubule dynamics
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Affiliation(s)
- Lydia Reinhardt
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany; Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
| | - Susanne Kordes
- Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany; Lead Discovery Center GmbH, Otto-Hahn-Strasse 15, 44227 Dortmund, Germany
| | - Peter Reinhardt
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany; Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
| | - Michael Glatza
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany; Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
| | - Matthias Baumann
- Lead Discovery Center GmbH, Otto-Hahn-Strasse 15, 44227 Dortmund, Germany
| | - Hannes C A Drexler
- Bioanalytical Mass Spectrometry, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
| | - Sascha Menninger
- Lead Discovery Center GmbH, Otto-Hahn-Strasse 15, 44227 Dortmund, Germany
| | - Gunther Zischinsky
- Lead Discovery Center GmbH, Otto-Hahn-Strasse 15, 44227 Dortmund, Germany
| | - Jan Eickhoff
- Lead Discovery Center GmbH, Otto-Hahn-Strasse 15, 44227 Dortmund, Germany
| | - Claudia Fröb
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany
| | - Prabesh Bhattarai
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany; German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, Tatzberg 41, 01307 Dresden, Germany
| | - Guruchandar Arulmozhivarman
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany
| | - Lara Marrone
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany
| | - Antje Janosch
- Max Planck Institute of Molecular Cell Biology and Genetics, 01307 Dresden, Germany
| | - Kenjiro Adachi
- Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
| | - Martin Stehling
- Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany
| | - Eric N Anderson
- Department of Pediatrics, Division of Child Neurology, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA; Department of Human Genetics, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA 15261, USA
| | - Masin Abo-Rady
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany
| | - Marc Bickle
- Max Planck Institute of Molecular Cell Biology and Genetics, 01307 Dresden, Germany
| | - Udai Bhan Pandey
- Department of Pediatrics, Division of Child Neurology, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA; Department of Human Genetics, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA 15261, USA; Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
| | - Michell M Reimer
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany
| | - Caghan Kizil
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany; German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, Tatzberg 41, 01307 Dresden, Germany
| | - Hans R Schöler
- Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany; University of Münster, Medical Faculty, Domagkstrasse 3, 48149 Münster, Germany
| | - Peter Nussbaumer
- Lead Discovery Center GmbH, Otto-Hahn-Strasse 15, 44227 Dortmund, Germany
| | - Bert Klebl
- Lead Discovery Center GmbH, Otto-Hahn-Strasse 15, 44227 Dortmund, Germany
| | - Jared L Sterneckert
- Technische Universität Dresden, DFG-Research Center for Regenerative Therapies Dresden (CRTD), Fetscherstrasse 105, 01307 Dresden, Germany; Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Röntgenstrasse 20, 48149 Münster, Germany.
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Koseoglu MM, Norambuena A, Sharlow ER, Lazo JS, Bloom GS. Aberrant Neuronal Cell Cycle Re-Entry: The Pathological Confluence of Alzheimer's Disease and Brain Insulin Resistance, and Its Relation to Cancer. J Alzheimers Dis 2019; 67:1-11. [PMID: 30452418 PMCID: PMC8363205 DOI: 10.3233/jad-180874] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Aberrant neuronal cell cycle re-entry (CCR) is a phenomenon that precedes and may mechanistically lead to a majority of the neuronal loss observed in Alzheimer's disease (AD). Recent developments concerning the regulation of aberrant neuronal CCR in AD suggest that there are potential intracellular signaling "hotspots" in AD, cancer, and brain insulin resistance, the latter of which is characteristically associated with AD. Critically, these common signaling nodes across different human diseases may represent currently untapped therapeutic opportunities for AD. Specifically, repurposing of existing US Food and Drug Administration-approved pharmacological agents, including experimental therapeutics that target the cell cycle in cancer, may be an innovative avenue for future AD-directed drug discovery and development. In this review we discuss overlapping aspects of AD, cancer, and brain insulin resistance from the perspective of neuronal CCR, and consider strategies to exploit them for prevention or therapeutic intervention of AD.
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Affiliation(s)
| | - Andrés Norambuena
- Department of Biology, University of Virginia, Charlottesville, VA, USA
| | - Elizabeth R Sharlow
- Department of Pharmacology, University of Virginia, Charlottesville, VA, USA
| | - John S Lazo
- Department of Pharmacology, University of Virginia, Charlottesville, VA, USA
- Department of Chemistry, University of Virginia, Charlottesville, VA, USA
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA
| | - George S Bloom
- Department of Biology, University of Virginia, Charlottesville, VA, USA
- Department of Cell Biology, University of Virginia, Charlottesville, VA, USA
- Department of Neuroscience, University of Virginia, Charlottesville, VA, USA
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35
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Little D, Luft C, Pezzini-Picart O, Mosaku O, Ketteler R, Devine MJ, Gissen P. Seeding Induced Pluripotent Stem Cell-Derived Neurons onto 384-Well Plates. Methods Mol Biol 2019; 1994:159-164. [PMID: 31124113 DOI: 10.1007/978-1-4939-9477-9_14] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Induced pluripotent stem cell (iPSC) derived neurons are an excellent in vitro model of neurological diseases that are often used in early stage drug discovery projects. Thus far, the use of iPSC-derived cells in small molecule drug screening has been limited, and one of the reasons for this has been the challenge of miniaturization of iPSC culture and differentiation in low volume microwell plate formats. Here we describe a method of seeding iPSC-derived neurons into 384-well plates towards the end of the differentiation procedure. This method covers coating the plates with substrates to aid attachment, dissociation of the cells into a single cell suspension, and seeding onto 384-well plates to give an even distribution of neurons. This method facilitates the use of iPSC-derived neurons for high-content imaging, whole-well assays, and small-molecule drug screening.
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Affiliation(s)
- Daniel Little
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK.
| | - Christin Luft
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
| | | | - Olukunbi Mosaku
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Robin Ketteler
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Michael J Devine
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Paul Gissen
- MRC Laboratory for Molecular Cell Biology, University College London, London, UK
- Great Ormond Street Institute of Child Health, University College London, London, UK
- NIHR Great Ormond Street Hospital Biomedical Research Centre, University College London, London, UK
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36
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Engle SJ, Blaha L, Kleiman RJ. Best Practices for Translational Disease Modeling Using Human iPSC-Derived Neurons. Neuron 2018; 100:783-797. [DOI: 10.1016/j.neuron.2018.10.033] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 09/07/2018] [Accepted: 10/19/2018] [Indexed: 01/26/2023]
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Plasminogen binding inhibitors demonstrate unwanted activities on GABA A and glycine receptors in human iPSC derived neurons. Neurosci Lett 2018; 681:37-43. [PMID: 29758302 DOI: 10.1016/j.neulet.2018.05.018] [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: 02/22/2018] [Revised: 05/08/2018] [Accepted: 05/10/2018] [Indexed: 11/20/2022]
Abstract
Plasminogen binding inhibitors (PBIs) reduce the risk of bleeding in hemorrhagic conditions. However, generic PBIs are also associated with an increased risk of seizures, an adverse effect linked to unwanted activities towards inhibitory neuronal receptors. Development of novel PBIs serve to remove compounds with such properties, but progress is limited by a lack of higher throughput methods with human translatability. Herein we apply human induced pluripotent stem cell (hiPSC) derived neurons in combination with dynamic mass redistribution (DMR) technology to demonstrate robust and reproducible modulation of both GABAA and glycine receptors. These cells respond to GABA (EC50 0.33 ± 0.18 μM), glycine (EC50 11.0 ± 3.7 μM) and additional ligands in line with previous reports from patch clamp technologies. Additionally, we identify and characterize a competitive antagonistic behavior of the prototype inhibitor and drug tranexamic acid (TXA). Finally, we demonstrate proof of concept for effective counter-screening of lead series compounds towards unwanted GABAA receptor activities. No activity was observed for a previously identified PBI candidate drug, AZD6564, whereas a discontinued analog, AZ13267257, could be characterized as a potent GABAA receptor agonist.
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38
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Hu J, Zhao Q, Feng Y, Li N, Gu Y, Sun R, Duan L, Wu Y, Shan Z, Lei L. Embryonic germ cell extracts erase imprinted genes and improve the efficiency of induced pluripotent stem cells. Sci Rep 2018; 8:10955. [PMID: 30026469 PMCID: PMC6053380 DOI: 10.1038/s41598-018-29339-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 07/10/2018] [Indexed: 02/06/2023] Open
Abstract
Patient-specific induced pluripotent stem cells (iPSCs) have the potential to be useful in the treatment of human diseases. While prior studies have reported multiple methods to generate iPSCs, DNA methylation continues to limit the totipotency and reprogramming efficiency of iPSCs. Here, we first show the competency of embryonic germ cells (EGCs) as a reprogramming catalyst capable of effectively promoting reprogramming induced by four defined factors, including Oct4, Sox2, Klf4 and c-Myc. Combining EGC extracts with these four factors resulted in formation of more embryonic stem cell-like colonies than did factors alone. Notably, expression of imprinted genes was higher with combined induction than with factors alone. Moreover, iPSCs derived from the combined inductors tended to have more global hypomethylation. Our research not only provides evidence that EGC extracts could activate DNA demethylation and reprogram imprinted genes, but also establishes a new way to enhance reprogramming of iPSCs, which remains a critical safety concern for potential use of iPSCs in regenerative medicine.
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Affiliation(s)
- Jing Hu
- Department of Histology and Embryology, Harbin Medical University, Harbin, 150081, P. R. China.,Department of Histology and Embryology, Mudanjiang Medical University, Mudanjiang, 157011, P. R. China
| | - Qiaoshi Zhao
- Department of Histology and Embryology, Harbin Medical University, Harbin, 150081, P. R. China
| | - Yukuan Feng
- Key Laboratory of Tumor Prevention and Treatment of Heilongjiang Province, Mudanjiang Medical University, Mudanjiang, 157011, P. R. China
| | - Na Li
- Department of Histology and Embryology, Harbin Medical University, Harbin, 150081, P. R. China
| | - Yanli Gu
- Department of Histology and Embryology, Harbin Medical University, Harbin, 150081, P. R. China
| | - Ruizhen Sun
- Department of Histology and Embryology, Harbin Medical University, Harbin, 150081, P. R. China
| | - Lian Duan
- Department of Histology and Embryology, Harbin Medical University, Harbin, 150081, P. R. China
| | - Yanshuang Wu
- Department of Histology and Embryology, Harbin Medical University, Harbin, 150081, P. R. China
| | - Zhiyan Shan
- Department of Histology and Embryology, Harbin Medical University, Harbin, 150081, P. R. China.
| | - Lei Lei
- Department of Histology and Embryology, Harbin Medical University, Harbin, 150081, P. R. China.
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Little D, Luft C, Mosaku O, Lorvellec M, Yao Z, Paillusson S, Kriston-Vizi J, Gandhi S, Abramov AY, Ketteler R, Devine MJ, Gissen P. A single cell high content assay detects mitochondrial dysfunction in iPSC-derived neurons with mutations in SNCA. Sci Rep 2018; 8:9033. [PMID: 29899557 PMCID: PMC5998042 DOI: 10.1038/s41598-018-27058-0] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 05/25/2018] [Indexed: 12/21/2022] Open
Abstract
Mitochondrial dysfunction is implicated in many neurodegenerative diseases including Parkinson's disease (PD). Induced pluripotent stem cells (iPSCs) provide a unique cell model for studying neurological diseases. We have established a high-content assay that can simultaneously measure mitochondrial function, morphology and cell viability in iPSC-derived dopaminergic neurons. iPSCs from PD patients with mutations in SNCA and unaffected controls were differentiated into dopaminergic neurons, seeded in 384-well plates and stained with the mitochondrial membrane potential dependent dye TMRM, alongside Hoechst-33342 and Calcein-AM. Images were acquired using an automated confocal screening microscope and single cells were analysed using automated image analysis software. PD neurons displayed reduced mitochondrial membrane potential and altered mitochondrial morphology compared to control neurons. This assay demonstrates that high content screening techniques can be applied to the analysis of mitochondria in iPSC-derived neurons. This technique could form part of a drug discovery platform to test potential new therapeutics for PD and other neurodegenerative diseases.
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Affiliation(s)
- Daniel Little
- MRC Laboratory for Molecular Cell Biology, University College London, Gower Street, London, United Kingdom.
| | - Christin Luft
- MRC Laboratory for Molecular Cell Biology, University College London, Gower Street, London, United Kingdom
| | - Olukunbi Mosaku
- MRC Laboratory for Molecular Cell Biology, University College London, Gower Street, London, United Kingdom
| | - Maëlle Lorvellec
- MRC Laboratory for Molecular Cell Biology, University College London, Gower Street, London, United Kingdom
| | - Zhi Yao
- Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, United Kingdom
- The Francis Crick Institute, 1 Midland Road, King's Cross, London, United Kingdom
| | - Sébastien Paillusson
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London, United Kingdom
| | - Janos Kriston-Vizi
- MRC Laboratory for Molecular Cell Biology, University College London, Gower Street, London, United Kingdom
| | - Sonia Gandhi
- Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, United Kingdom
- The Francis Crick Institute, 1 Midland Road, King's Cross, London, United Kingdom
| | - Andrey Y Abramov
- Department of Molecular Neuroscience, University College London, Institute of Neurology, Queen Square, London, United Kingdom
| | - Robin Ketteler
- MRC Laboratory for Molecular Cell Biology, University College London, Gower Street, London, United Kingdom
| | - Michael J Devine
- MRC Laboratory for Molecular Cell Biology, University College London, Gower Street, London, United Kingdom.
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, London, United Kingdom.
| | - Paul Gissen
- MRC Laboratory for Molecular Cell Biology, University College London, Gower Street, London, United Kingdom
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40
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Manipulating cell fate while confronting reproducibility concerns. Biochem Pharmacol 2018; 151:144-156. [DOI: 10.1016/j.bcp.2018.01.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 01/04/2018] [Indexed: 12/13/2022]
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41
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Neagoe I, Liu C, Stumpf A, Lu Y, He D, Francis R, Chen J, Reynen P, Alaoui-Ismaili MH, Fukui H. The GluN2B subunit represents a major functional determinant of NMDA receptors in human induced pluripotent stem cell-derived cortical neurons. Stem Cell Res 2018; 28:105-114. [PMID: 29454156 DOI: 10.1016/j.scr.2018.02.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 01/08/2018] [Accepted: 02/05/2018] [Indexed: 12/22/2022] Open
Abstract
Abnormal signaling pathways mediated by N-methyl-d-aspartate receptors (NMDARs) have been implicated in the pathogenesis of various CNS disorders and have been long considered as promising points of therapeutic intervention. However, few efforts have been previously described concerning evaluation of therapeutic modulators of NMDARs and their downstream pathways in human neurons with endogenous expression of NMDARs. In the present study, we assessed expression, functionality, and subunit composition of endogenous NMDARs in human induced pluripotent stem cell (hiPSC)-derived cortical neurons (iCell Neurons and iCell GlutaNeurons). We initially confirmed the expected pharmacological response of iCell Neurons and iCell GlutaNeurons to NMDA by patch-clamp recordings. Subsequent pharmacological interrogation using GluN2 subunit-selective antagonists revealed the predominance of GluN2B in both iCell Neurons and iCell GlutaNeurons. This observation was also supported by qRT-PCR and Western blot analyses of GluN2 subunit expression as well as pharmacological experiments using positive allosteric modulators with distinct GluN2 subunit selectivity. We conclude that iCell Neurons and iCell GlutaNeurons express functional GluN2B-containing NMDARs and could serve as a valuable system for development and validation of GluN2B-modulating pharmaceutical agents.
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Affiliation(s)
- Ioana Neagoe
- Evotec AG, Essener Bogen 7, 22419 Hamburg, Germany
| | - Chang Liu
- Department of Biochemical and Cellular Pharmacology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA
| | - Alexander Stumpf
- Institute for Neurophysiology, Goethe University, Theodor-Stern-Kai 7, Frankfurt 60590, Germany
| | - Yanmei Lu
- Department of Biochemical and Cellular Pharmacology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA
| | - Dongping He
- Department of Biochemical and Cellular Pharmacology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA
| | - Ross Francis
- Department of Biochemical and Cellular Pharmacology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA
| | - Jun Chen
- Department of Biochemical and Cellular Pharmacology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA
| | - Paul Reynen
- Department of Biochemical and Cellular Pharmacology, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA
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42
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Human Neurospheroid Arrays for In Vitro Studies of Alzheimer's Disease. Sci Rep 2018; 8:2450. [PMID: 29402979 PMCID: PMC5799361 DOI: 10.1038/s41598-018-20436-8] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 01/17/2018] [Indexed: 01/11/2023] Open
Abstract
Neurospheroids are commonly used for in vitro disease modeling and drug screening. However, the heterogeneity in size of the neurospheroids mixtures available through current methods limits their utility when employed for basic mechanistic studies of neurodegenerative diseases or screening for new interventions. Here, we generate neurospheroids from immortalized neural progenitor cells and human induced pluripotent stem cells that are uniform in size, into large-scale arrays. In proof of concept experiments, we validate the neurospheroids array as a sensitive and robust tool for screening compounds over extended time. We show that when suspended in three-dimensional extracellular matrix up to several weeks, the stem cell-derived neurospheroids display extensive neurite outgrowth and extend thick bundles of dendrites outward. We also cultivate genetically-engineered stem cell-derived neurospheroids with familial Alzheimer's disease mutations for eight weeks in our microarray system. Interestingly, we observed robust accumulation of amyloid-β and phosphorylated tau, key hallmarks of Alzheimer's disease. Overall, our in vitro model for engineering neurospheroid arrays is a valuable tool for studying complex neurodegenerative diseases and accelerating drug discovery.
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43
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Harrill JA. Human-Derived Neurons and Neural Progenitor Cells in High Content Imaging Applications. Methods Mol Biol 2018; 1683:305-338. [PMID: 29082500 DOI: 10.1007/978-1-4939-7357-6_18] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Due to advances in the fields of stem cell biology and cellular engineering, a variety of commercially available human-derived neurons and neural progenitor cells (NPCs) are now available for use in research applications, including small molecule efficacy or toxicity screening. The use of human-derived neural cells is anticipated to address some of the uncertainties associated with the use of nonhuman culture models or transformed cell lines derived from human tissues. Many of the human-derived neurons and NPCs currently available from commercial sources recapitulate critical process of nervous system development including NPC proliferation, neurite outgrowth, synaptogenesis, and calcium signaling, each of which can be evaluated using high content image analysis (HCA). Human-derived neurons and NPCs are also amenable to culture in multiwell plate formats and thus may be adapted for use in HCA-based screening applications. This article reviews various types of HCA-based assays that have been used in conjunction with human-derived neurons and NPC cultures. This article also highlights instances where lower throughput analysis of neurodevelopmental processes has been performed and which demonstrate a potential for adaptation to higher-throughout imaging methods. Finally, a generic protocol for evaluating neurite outgrowth in human-derived neurons using a combination of immunocytochemistry and HCA is presented. The information provided in this article is intended to serve as a resource for cell model and assay selection for those interested in evaluating neurodevelopmental processes in human-derived cells.
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Affiliation(s)
- Joshua A Harrill
- Center for Toxicology and Environmental Health, LLC, 5120 Northshore Drive, Little Rock, AR, 72118, USA.
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44
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Virdee JK, Saro G, Fouillet A, Findlay J, Ferreira F, Eversden S, O'Neill MJ, Wolak J, Ursu D. A high-throughput model for investigating neuronal function and synaptic transmission in cultured neuronal networks. Sci Rep 2017; 7:14498. [PMID: 29101377 PMCID: PMC5670206 DOI: 10.1038/s41598-017-15171-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 10/23/2017] [Indexed: 12/30/2022] Open
Abstract
Loss of synapses or alteration of synaptic activity is associated with cognitive impairment observed in a number of psychiatric and neurological disorders, such as schizophrenia and Alzheimer’s disease. Therefore successful development of in vitro methods that can investigate synaptic function in a high-throughput format could be highly impactful for neuroscience drug discovery. We present here the development, characterisation and validation of a novel high-throughput in vitro model for assessing neuronal function and synaptic transmission in primary rodent neurons. The novelty of our approach resides in the combination of the electrical field stimulation (EFS) with data acquisition in spatially separated areas of an interconnected neuronal network. We integrated our methodology with state of the art drug discovery instrumentation (FLIPR Tetra) and used selective tool compounds to perform a systematic pharmacological validation of the model. We investigated pharmacological modulators targeting pre- and post-synaptic receptors (AMPA, NMDA, GABA-A, mGluR2/3 receptors and Nav, Cav voltage-gated ion channels) and demonstrated the ability of our model to discriminate and measure synaptic transmission in cultured neuronal networks. Application of the model described here as an unbiased phenotypic screening approach will help with our long term goals of discovering novel therapeutic strategies for treating neurological disorders.
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Affiliation(s)
- Jasmeet K Virdee
- Eli Lilly and Company, Lilly Research Centre, Windlesham, GU20 6PH, UK
| | - Gabriella Saro
- Eli Lilly and Company, Lilly Research Centre, Windlesham, GU20 6PH, UK
| | - Antoine Fouillet
- Eli Lilly and Company, Lilly Research Centre, Windlesham, GU20 6PH, UK
| | - Jeremy Findlay
- Eli Lilly and Company, Lilly Research Centre, Windlesham, GU20 6PH, UK
| | - Filipa Ferreira
- Eli Lilly and Company, Lilly Research Centre, Windlesham, GU20 6PH, UK
| | - Sarah Eversden
- Eli Lilly and Company, Lilly Research Centre, Windlesham, GU20 6PH, UK
| | - Michael J O'Neill
- Eli Lilly and Company, Lilly Research Centre, Windlesham, GU20 6PH, UK
| | - Joanna Wolak
- Eli Lilly and Company, Lilly Research Centre, Windlesham, GU20 6PH, UK
| | - Daniel Ursu
- Eli Lilly and Company, Lilly Research Centre, Windlesham, GU20 6PH, UK.
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45
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Abstract
Human-induced pluripotent stem cells (iPSCs) offer a novel, timely approach for investigating the aetiology of neuropsychiatric disorders. Although we are starting to gain more insight into the specific mechanisms that cause Alzheimer's disease and other forms of dementia, this has not resulted in therapies to slow the pathological processes. Animal models have been paramount in studying the neurobiological processes underlying psychiatric disorders. Nonetheless, these human conditions cannot be entirely recapitulated in rodents. Human cell models derived from patients' cells now offer new hope for improving our understanding of the early molecular stages of these diseases, through to validating therapeutics. The impact of dementia is increasing, and a new model to investigate the early stages of this disease is heralded as an essential, new platform for translational research. In this paper, we review current literature using iPSCs to study Alzheimer's disease, describe drug discovery efforts using this platform, and discuss the future potential for this technology in psychiatry research.
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Affiliation(s)
- J P Robbins
- Department of Basic and Clinical Neuroscience,Institute of Psychiatry, Psychology and Neuroscience, King's College London,London,UK
| | - J Price
- Department of Basic and Clinical Neuroscience,Institute of Psychiatry, Psychology and Neuroscience, King's College London,London,UK
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46
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Adegbola A, Bury LA, Fu C, Zhang M, Wynshaw-Boris A. Concise Review: Induced Pluripotent Stem Cell Models for Neuropsychiatric Diseases. Stem Cells Transl Med 2017; 6:2062-2070. [PMID: 29027744 PMCID: PMC5702513 DOI: 10.1002/sctm.17-0150] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 09/14/2017] [Indexed: 01/05/2023] Open
Abstract
The major neuropsychiatric conditions of schizophrenia, affective disorders, and infantile autism are characterized by chronic symptoms of episodic, stable, or progressive nature that result in significant morbidity. Symptomatic treatments are the mainstay but do not resolve the underlying disease processes, which are themselves poorly understood. The prototype psychotropic drugs are of variable efficacy, with therapeutic mechanisms of action that are still uncertain. Thus, neuropsychiatric disorders are ripe for new technologies and approaches with the potential to revolutionize mechanistic understanding and drive the development of novel targeted treatments. The advent of methods to produce patient‐derived stem cell models and three‐dimensional organoids with the capacity to differentiate into neurons and the various neuronal cellular lineages mark such an advance. We discuss numerous techniques involved, their applications, and areas that require further optimization. Stem Cells Translational Medicine2017;6:2062–2070
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Affiliation(s)
- Abidemi Adegbola
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA.,Department of Psychiatry, Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Luke A Bury
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Chen Fu
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Meixiang Zhang
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA.,Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China.,Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Anthony Wynshaw-Boris
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
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47
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Robert J, Button EB, Yuen B, Gilmour M, Kang K, Bahrabadi A, Stukas S, Zhao W, Kulic I, Wellington CL. Clearance of beta-amyloid is facilitated by apolipoprotein E and circulating high-density lipoproteins in bioengineered human vessels. eLife 2017; 6. [PMID: 28994390 PMCID: PMC5634784 DOI: 10.7554/elife.29595] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 09/03/2017] [Indexed: 12/11/2022] Open
Abstract
Amyloid plaques, consisting of deposited beta-amyloid (Aβ), are a neuropathological hallmark of Alzheimer’s Disease (AD). Cerebral vessels play a major role in AD, as Aβ is cleared from the brain by pathways involving the cerebrovasculature, most AD patients have cerebrovascular amyloid (cerebral amyloid angiopathy (CAA), and cardiovascular risk factors increase dementia risk. Here we present a notable advance in vascular tissue engineering by generating the first functional 3-dimensioinal model of CAA in bioengineered human vessels. We show that lipoproteins including brain (apoE) and circulating (high-density lipoprotein, HDL) synergize to facilitate Aβ transport across bioengineered human cerebral vessels. These lipoproteins facilitate Aβ42 transport more efficiently than Aβ40, consistent with Aβ40 being the primary species that accumulates in CAA. Moreover, apoE4 is less effective than apoE2 in promoting Aβ transport, also consistent with the well-established role of apoE4 in Aβ deposition in AD. Alzheimer’s disease causes gradual loss of memory and difficulties in learning. The brains of patients with the disease show several abnormalities including deposits of a peptide molecule called beta-amyloid that is known to be toxic to nerve cells. This peptide can also cause damage to the brain by accumulating within the muscular walls of large blood vessels, a condition known as cerebral amyloid angiopathy (CAA) and is present in most Alzheimer’s disease patients. A group of molecules known as lipoproteins, which transport fats throughout body fluids, are thought to be involved in the process by which beta-amyloid leaves the brain. Apolipoprotein E (apoE) is one such molecule and it is made in the brain by cells called astrocytes. There are three different versions of apoE that are associated with different levels of risk of developing Alzheimer’s disease. Other lipoproteins, such as high-density lipoprotein, which is present in the blood, may also play a role in clearing beta-amyloid proteins from the brain. However, it has been difficult to investigate the roles of these lipoproteins in Alzheimer’s disease because current test-tube models do not fully mimic the composition of human brain blood vessels or show how they work. Robert et al. have used a tissue engineering approach to generate the first three-dimensional model of human brain blood vessels that can reproduce cerebral amyloid angiopathy. To make the model, different types of human cells similar to those found in real blood vessels and astrocytes were grown under conditions that resemble real-life conditions, including mimicking blood flow through the engineered vessels. Having established that the engineered vessels behaved similarly to normal blood vessels, Robert et al. used them to test whether lipoproteins helped to clear beta-amyloid proteins from the vessels. These experiments showed that a form of apoE that protects against Alzheimer’s disease was more effective in transporting beta-amyloid proteins across the walls of blood vessels than other forms of apoE. Further experiments showed that high-density lipoprotein in the blood and apoE on the brain side of the vessel work together to help transport beta-amyloid into the vessels. Together, these findings show that the model of CAA developed by Robert et al. provides a valuable new tool for exploring how this condition develops. The model could also be used more widely in the future, for example, to study how to deliver new drugs that could help treat Alzheimer’s disease into the brain.
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Affiliation(s)
- Jerome Robert
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
| | - Emily B Button
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
| | - Brian Yuen
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
| | - Megan Gilmour
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
| | - Kevin Kang
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
| | - Arvin Bahrabadi
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
| | - Sophie Stukas
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
| | - Wenchen Zhao
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
| | - Iva Kulic
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
| | - Cheryl L Wellington
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada.,Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
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48
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Neuroregeneration versus neurodegeneration: toward a paradigm shift in Alzheimer's disease drug discovery. Future Med Chem 2017. [DOI: 10.4155/fmc-2017-0038] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Alzheimer's disease represents an enormous global burden in terms of human suffering and economic cost. To tackle the current lack of effective drugs and the continuous clinical trial failures might require a shift from the prevailing paradigm targeting pathogenesis to the one targeting neural stem cells (NSCs) regeneration. In this context, small molecules have come to the forefront for their potential to manipulate NSCs, provide therapeutic tools and unveil NSCs biology. Classically, these molecules have been generated either by target-based or phenotypic approaches. To circumvent specific liabilities, nanomedicines emerge as a feasible alternative. However, this review is not intended to be comprehensive. Its purpose is to focus on recent examples that could accelerate development of neuroregenerative drugs against Alzheimer's disease.
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49
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Ardhanareeswaran K, Mariani J, Coppola G, Abyzov A, Vaccarino FM. Human induced pluripotent stem cells for modelling neurodevelopmental disorders. Nat Rev Neurol 2017; 13:265-278. [PMID: 28418023 DOI: 10.1038/nrneurol.2017.45] [Citation(s) in RCA: 106] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We currently have a poor understanding of the pathogenesis of neurodevelopmental disorders, owing to the fact that postmortem and imaging studies can only measure the postnatal status quo and offer little insight into the processes that give rise to the observed outcomes. Human induced pluripotent stem cells (hiPSCs) should, in principle, prove powerful for elucidating the pathways that give rise to neurodevelopmental disorders. hiPSCs are embryonic-stem-cell-like cells that can be derived from somatic cells. They retain the unique genetic signature of the individual from whom they were derived, and thus enable researchers to recapitulate that individual's idiosyncratic neural development in a dish. In the case of individuals with disease, we can re-enact the disease-altered trajectory of brain development and examine how and why phenotypic and molecular abnormalities arise in these diseased brains. Here, we review hiPSC biology and possible experimental designs when using hiPSCs to model disease. We then discuss existing hiPSC models of neurodevelopmental disorders. Our hope is that, as some studies have already shown, hiPSCs will illuminate the pathophysiology of developmental disorders of the CNS and lead to therapeutic options for the millions that are affected by these conditions.
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Affiliation(s)
- Karthikeyan Ardhanareeswaran
- Child Study Center, Yale University School of Medicine, 230 South Frontage Road, New Haven, Connecticut 06520, USA
| | - Jessica Mariani
- Child Study Center, Yale University School of Medicine, 230 South Frontage Road, New Haven, Connecticut 06520, USA
| | - Gianfilippo Coppola
- Child Study Center, Yale University School of Medicine, 230 South Frontage Road, New Haven, Connecticut 06520, USA
| | - Alexej Abyzov
- Department of Health Sciences Research, Center for Individualized Medicine, 200 First Street SW, Rochester, Minnesota 55905, USA
| | - Flora M Vaccarino
- Child Study Center, Yale University School of Medicine, 230 South Frontage Road, New Haven, Connecticut 06520, USA.,Department of Neuroscience, Yale Kavli Institute for Neuroscience, Yale University School of Medicine, 200 South Frontage Road, New Haven, Connecticut 06510, USA
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50
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Espargaró A, Ginex T, Vadell MDM, Busquets MA, Estelrich J, Muñoz-Torrero D, Luque FJ, Sabate R. Combined in Vitro Cell-Based/in Silico Screening of Naturally Occurring Flavonoids and Phenolic Compounds as Potential Anti-Alzheimer Drugs. JOURNAL OF NATURAL PRODUCTS 2017; 80:278-289. [PMID: 28128562 DOI: 10.1021/acs.jnatprod.6b00643] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Alzheimer's disease (AD) is the main cause of dementia in people over 65 years. One of the major culprits in AD is the self-aggregation of amyloid-β peptide (Aβ), which has stimulated the search for small molecules able to inhibit Aβ aggregation. In this context, we recently reported a simple, but effective in vitro cell-based assay to evaluate the potential antiaggregation activity of putative Aβ aggregation inhibitors. In this work this assay was used together with docking and molecular dynamics simulations to analyze the anti-Aβ aggregation activity of several naturally occurring flavonoids and phenolic compounds. The results showed that rosmarinic acid, melatonin, and o-vanillin displayed zero or low inhibitory capacity, curcumin was found to have an intermediate inhibitory potency, and apigenin and quercetin showed potent antiaggregation activity. Finally, the suitability of the combined in vitro cell-based/in silico approach to distinguish between active and inactive compounds was further assessed for an additional set of flavonols and dihydroflavonols.
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Affiliation(s)
- Alba Espargaró
- Department of Pharmacy and Pharmaceutical Technology and Physical-Chemistry, School of Pharmacy, and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona , E-08028, Barcelona, Spain
| | - Tiziana Ginex
- Department of Nutrition, Food Sciences, and Gastronomy, School of Pharmacy and Institute of Biomedicine, Campus Torribera, University of Barcelona , Prat de la Riba 171, E-08921, Santa Coloma de Gramenet, Spain
| | - Maria Del Mar Vadell
- Department of Pharmacy and Pharmaceutical Technology and Physical-Chemistry, School of Pharmacy, and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona , E-08028, Barcelona, Spain
| | - Maria A Busquets
- Department of Pharmacy and Pharmaceutical Technology and Physical-Chemistry, School of Pharmacy, and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona , E-08028, Barcelona, Spain
| | - Joan Estelrich
- Department of Pharmacy and Pharmaceutical Technology and Physical-Chemistry, School of Pharmacy, and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona , E-08028, Barcelona, Spain
| | - Diego Muñoz-Torrero
- Laboratory of Pharmaceutical Chemistry (CSIC Associated Unit), School of Pharmacy, and Institute of Biomedicine (IBUB), University of Barcelona , E-08028, Barcelona, Spain
| | - F Javier Luque
- Department of Nutrition, Food Sciences, and Gastronomy, School of Pharmacy and Institute of Biomedicine, Campus Torribera, University of Barcelona , Prat de la Riba 171, E-08921, Santa Coloma de Gramenet, Spain
| | - Raimon Sabate
- Department of Pharmacy and Pharmaceutical Technology and Physical-Chemistry, School of Pharmacy, and Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona , E-08028, Barcelona, Spain
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