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Tong H, Yang T, Xu S, Li X, Liu L, Zhou G, Yang S, Yin S, Li XJ, Li S. Huntington's Disease: Complex Pathogenesis and Therapeutic Strategies. Int J Mol Sci 2024; 25:3845. [PMID: 38612657 PMCID: PMC11011923 DOI: 10.3390/ijms25073845] [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: 02/19/2024] [Revised: 03/21/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
Huntington's disease (HD) arises from the abnormal expansion of CAG repeats in the huntingtin gene (HTT), resulting in the production of the mutant huntingtin protein (mHTT) with a polyglutamine stretch in its N-terminus. The pathogenic mechanisms underlying HD are complex and not yet fully elucidated. However, mHTT forms aggregates and accumulates abnormally in neuronal nuclei and processes, leading to disruptions in multiple cellular functions. Although there is currently no effective curative treatment for HD, significant progress has been made in developing various therapeutic strategies to treat HD. In addition to drugs targeting the neuronal toxicity of mHTT, gene therapy approaches that aim to reduce the expression of the mutant HTT gene hold great promise for effective HD therapy. This review provides an overview of current HD treatments, discusses different therapeutic strategies, and aims to facilitate future therapeutic advancements in the field.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Xiao-Jiang Li
- Guangdong Key Laboratory of Non-Human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China; (H.T.); (T.Y.); (S.X.); (X.L.); (L.L.); (G.Z.); (S.Y.); (S.Y.)
| | - Shihua Li
- Guangdong Key Laboratory of Non-Human Primate Research, Key Laboratory of CNS Regeneration (Ministry of Education), Guangdong-Hongkong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou 510632, China; (H.T.); (T.Y.); (S.X.); (X.L.); (L.L.); (G.Z.); (S.Y.); (S.Y.)
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Aishwarya L, Arun D, Kannan S. Stem cells as a potential therapeutic option for treating neurodegenerative diseases. Curr Stem Cell Res Ther 2021; 17:590-605. [PMID: 35135464 DOI: 10.2174/1574888x16666210810105136] [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: 02/25/2021] [Revised: 05/27/2021] [Accepted: 06/01/2021] [Indexed: 11/22/2022]
Abstract
In future, neurodegenerative diseases will take over cancer's place and become the major cause of death in the world, especially in developed countries. Advancements in the medical field and its facilities have led to an increase in the old age population, and thus contributing to the increase in number of people suffering from neurodegenerative diseases. Economically it is of a great burden to society and the affected family. No current treatment aims to replace, protect, and regenerate lost neurons; instead, it alleviates the symptoms, extends the life span by a few months and creates severe side effects. Moreover, people who are affected are physically dependent for performing their basic activities, which makes their life miserable. There is an urgent need for therapy that could be able to overcome the deficits of conventional therapy for neurodegenerative diseases. Stem cells, the unspecialized cells with the properties of self-renewing and potency to differentiate into various cells types can become a potent therapeutic option for neurodegenerative diseases. Stem cells have been widely used in clinical trials to evaluate their potential in curing different types of ailments. In this review, we discuss the various types of stem cells and their potential use in the treatment of neurodegenerative disease based on published preclinical and clinical studies.
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Affiliation(s)
- Aishwarya L
- Department of Biomedical Sciences, Sri Ramachandra Institute of Higher Education and Research, Chennai-600 116. India
| | - Dharmarajan Arun
- Department of Biomedical Sciences, Sri Ramachandra Institute of Higher Education and Research, Chennai-600 116. India
| | - Suresh Kannan
- Department of Biomedical Sciences, Sri Ramachandra Institute of Higher Education and Research, Chennai-600 116. India
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Armijo E, Edwards G, Flores A, Vera J, Shahnawaz M, Moda F, Gonzalez C, Sanhueza M, Soto C. Induced Pluripotent Stem Cell-Derived Neural Precursors Improve Memory, Synaptic and Pathological Abnormalities in a Mouse Model of Alzheimer's Disease. Cells 2021; 10:cells10071802. [PMID: 34359972 PMCID: PMC8303262 DOI: 10.3390/cells10071802] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/23/2021] [Accepted: 06/28/2021] [Indexed: 01/01/2023] Open
Abstract
Alzheimer’s disease (AD) is the most common type of dementia in the elderly population. The disease is characterized by progressive memory loss, cerebral atrophy, extensive neuronal loss, synaptic alterations, brain inflammation, extracellular accumulation of amyloid-β (Aβ) plaques, and intracellular accumulation of hyper-phosphorylated tau (p-tau) protein. Many recent clinical trials have failed to show therapeutic benefit, likely because at the time in which patients exhibit clinical symptoms the brain is irreversibly damaged. In recent years, induced pluripotent stem cells (iPSCs) have been suggested as a promising cell therapy to recover brain functionality in neurodegenerative diseases such as AD. To evaluate the potential benefits of iPSCs on AD progression, we stereotaxically injected mouse iPSC-derived neural precursors (iPSC-NPCs) into the hippocampus of aged triple transgenic (3xTg-AD) mice harboring extensive pathological abnormalities typical of AD. Interestingly, iPSC-NPCs transplanted mice showed improved memory, synaptic plasticity, and reduced AD brain pathology, including a reduction of amyloid and tangles deposits. Our findings suggest that iPSC-NPCs might be a useful therapy that could produce benefit at the advanced clinical and pathological stages of AD.
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Affiliation(s)
- Enrique Armijo
- Mitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, Mc Govern Medical School, University of Texas, Houston, TX 77030, USA; (E.A.); (G.E.); (A.F.); (M.S.); (F.M.); (C.G.)
- Facultad de Medicina, Universidad de los Andes, Av. San Carlos de Apoquindo 2200, Las Condes, Santiago 7550000, Chile
| | - George Edwards
- Mitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, Mc Govern Medical School, University of Texas, Houston, TX 77030, USA; (E.A.); (G.E.); (A.F.); (M.S.); (F.M.); (C.G.)
| | - Andrea Flores
- Mitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, Mc Govern Medical School, University of Texas, Houston, TX 77030, USA; (E.A.); (G.E.); (A.F.); (M.S.); (F.M.); (C.G.)
| | - Jorge Vera
- Department of Biology, Faculty of Sciences, University of Chile, Santiago 7800024, Chile; (J.V.); (M.S.)
| | - Mohammad Shahnawaz
- Mitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, Mc Govern Medical School, University of Texas, Houston, TX 77030, USA; (E.A.); (G.E.); (A.F.); (M.S.); (F.M.); (C.G.)
| | - Fabio Moda
- Mitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, Mc Govern Medical School, University of Texas, Houston, TX 77030, USA; (E.A.); (G.E.); (A.F.); (M.S.); (F.M.); (C.G.)
- Fondazione IRCCS Istituto Neurologico Carlo Besta, Division of Neurology 5 and Neuropathology, 20133 Milan, Italy
| | - Cesar Gonzalez
- Mitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, Mc Govern Medical School, University of Texas, Houston, TX 77030, USA; (E.A.); (G.E.); (A.F.); (M.S.); (F.M.); (C.G.)
- Facultad de Medicina y Ciencias, Universidad San Sebastián, Puerto Montt 5480000, Chile
| | - Magdalena Sanhueza
- Department of Biology, Faculty of Sciences, University of Chile, Santiago 7800024, Chile; (J.V.); (M.S.)
| | - Claudio Soto
- Mitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, Mc Govern Medical School, University of Texas, Houston, TX 77030, USA; (E.A.); (G.E.); (A.F.); (M.S.); (F.M.); (C.G.)
- Facultad de Medicina, Universidad de los Andes, Av. San Carlos de Apoquindo 2200, Las Condes, Santiago 7550000, Chile
- Correspondence:
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Albert K, Niskanen J, Kälvälä S, Lehtonen Š. Utilising Induced Pluripotent Stem Cells in Neurodegenerative Disease Research: Focus on Glia. Int J Mol Sci 2021; 22:ijms22094334. [PMID: 33919317 PMCID: PMC8122303 DOI: 10.3390/ijms22094334] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 04/19/2021] [Accepted: 04/19/2021] [Indexed: 12/23/2022] Open
Abstract
Induced pluripotent stem cells (iPSCs) are a self-renewable pool of cells derived from an organism's somatic cells. These can then be programmed to other cell types, including neurons. Use of iPSCs in research has been two-fold as they have been used for human disease modelling as well as for the possibility to generate new therapies. Particularly in complex human diseases, such as neurodegenerative diseases, iPSCs can give advantages over traditional animal models in that they more accurately represent the human genome. Additionally, patient-derived cells can be modified using gene editing technology and further transplanted to the brain. Glial cells have recently become important avenues of research in the field of neurodegenerative diseases, for example, in Alzheimer's disease and Parkinson's disease. This review focuses on using glial cells (astrocytes, microglia, and oligodendrocytes) derived from human iPSCs in order to give a better understanding of how these cells contribute to neurodegenerative disease pathology. Using glia iPSCs in in vitro cell culture, cerebral organoids, and intracranial transplantation may give us future insight into both more accurate models and disease-modifying therapies.
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Affiliation(s)
- Katrina Albert
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0QQ, UK;
| | - Jonna Niskanen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70211 Kuopio, Finland; (J.N.); (S.K.)
| | - Sara Kälvälä
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70211 Kuopio, Finland; (J.N.); (S.K.)
| | - Šárka Lehtonen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70211 Kuopio, Finland; (J.N.); (S.K.)
- Neuroscience Center, University of Helsinki, 00014 Helsinki, Finland
- Correspondence:
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Salman M, Sharma P, Alam MI, Tabassum H, Parvez S. Naringenin mitigates behavioral alterations and provides neuroprotection against 3-nitropropinoic acid-induced Huntington's disease like symptoms in rats. Nutr Neurosci 2021; 25:1898-1908. [PMID: 33856270 DOI: 10.1080/1028415x.2021.1913319] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
BACKGROUND Naringenin is a powerful antioxidant and anti-inflammatory flavonoid which has been widely used as a therapeutic agent in various toxic models. However, few studies have clearly discussed the neuromodulatory effects of naringenin against different neurodegenerative disorders. AIM We investigated the neuroprotective efficacy of naringenin against 3-nitropropionic acid (3-NP)-induced neurobehavioral, biochemical and histopathological alterations in rats. METHODS Albino Wistar rats were randomly divided into three experimental groups. Group 1, the vehicle administered group, received saline. Group 2 received 3-NP (20 mg/kg body weight, i.p.) for 4 consecutive days. Group 3 received naringenin (50 mg/kg body weight, p.o.) twice daily for a period of 4 days, 30 min before and 6 h after the 3-NP administration. On the 5th day, neurobehavioral experiments were performed to access the behavioral outcomes and the striatum tissue was used for analysis of the monoamine oxidase (MAO) activity and serotonin (5-HT) levels. In addition, astrocytes activation was observed by glial fibrillary acidic protein (GFAP) immunostaining. RESULTS Our results showed that naringenin co-treatment provides neuroprotection against 3-NP-induced neurological disorders. Naringenin also increased the MAO activity and 5-HT levels in the striatum. Moreover, co-treatment with naringenin reduced the expression of GFAP protein in the striatal part and significantly attenuated the neuronal cell death. The findings of the present study suggest that naringenin provides neuroprotection and mitigates neurobehavioral alterations in experimental rats. CONCLUSION The results show that co-treatment with naringenin ameliorates 3-NP-induced HD-like symptoms in rats.
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Affiliation(s)
- Mohd Salman
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
| | - Pooja Sharma
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
| | - Md Iqbal Alam
- Department of Medical Physiology, HIMSR, Jamia Hamdard, New Delhi, India
| | - Heena Tabassum
- Division of Basic Medical Sciences, Indian Council of Medical Research, Ministry of Health and Family Welfare, Govt. of India, V. Ramalingaswamy Bhawan, New Delhi, India
| | - Suhel Parvez
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
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Ahani-Nahayati M, Shariati A, Mahmoodi M, Olegovna Zekiy A, Javidi K, Shamlou S, Mousakhani A, Zamani M, Hassanzadeh A. Stem cell in neurodegenerative disorders; an emerging strategy. Int J Dev Neurosci 2021; 81:291-311. [PMID: 33650716 DOI: 10.1002/jdn.10101] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/13/2021] [Accepted: 02/24/2021] [Indexed: 01/28/2023] Open
Abstract
Neurodegenerative disorders are a diversity of disorders, surrounding Alzheimer's (AD), Parkinson's (PD), Huntington's diseases (HD), and amyotrophic lateral sclerosis (ALS) accompanied by some other less common diseases generally characterized by either developed deterioration of central or peripheral nervous system structurally or functionally. Today, with the viewpoint of an increasingly aging society, the number of patients with neurodegenerative diseases and sociomedical burdens will spread intensely. During the last decade, stem cell technology has attracted great attention for treating neurodegenerative diseases worldwide because of its unique attributes. As acknowledged, there are several categories of stem cells being able to proliferate and differentiate into various cellular lineages, highlighting their significance in the context of regenerative medicine. In preclinical models, stem cell therapy using mesenchymal stem/stromal cells (MSCs), hematopoietic stem cells (HSCs), and neural progenitor or stem cells (NPCs or NSCs) along with pluripotent stem cells (PSCs)-derived neuronal cells could elicit desired therapeutic effects, enabling functional deficit rescue partially. Regardless of the noteworthy progress in our scientific awareness and understanding of stem cell biology, there still exist various challenges to defeat. In the present review, we provide a summary of the therapeutic potential of stem cells and discuss the current status and prospect of stem cell strategy in neurodegenerative diseases, in particular, AD, PD, ALS, and HD.
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Affiliation(s)
- Milad Ahani-Nahayati
- Department of Tissue Engineering and Applied Cell Science, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Science, Tehran, Iran
| | - Ali Shariati
- Stem Cell Research Center, Tehran University of Medical Science, Tehran, Iran
| | - Mahnaz Mahmoodi
- Department of Biology, School of Basic Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Angelina Olegovna Zekiy
- Department of Prosthetic Dentistry, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Kamran Javidi
- School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.,Immunology Research Center (IRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Somayeh Shamlou
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Akbar Mousakhani
- Department of Plant Sciences, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Majid Zamani
- Department of Medical Laboratory Sciences, Faculty of Allied Medicine, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Ali Hassanzadeh
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Neurosciences Research Center, Tehran University of Medical Sciences, Tehran, Iran
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Sarkar A, Saha S, Paul A, Maji A, Roy P, Maity TK. Understanding stem cells and its pivotal role in regenerative medicine. Life Sci 2021; 273:119270. [PMID: 33640402 DOI: 10.1016/j.lfs.2021.119270] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/06/2021] [Accepted: 02/14/2021] [Indexed: 02/07/2023]
Abstract
Stem cells (SCs) are clonogenic cells that develop into the specialized cells which later responsible for making up various types of tissue in the human body. SCs are not only the appropriate source of information for cell division, molecular and cellular processes, and tissue homeostasis but also one of the major putative biological aids to diagnose and cure various degenerative diseases. This study emphasises on various research outputs that occurred in the past two decades. This will give brief information on classification, differentiation, detection, and various isolation techniques of SCs. Here, the various signalling pathways which includes WNT, Sonic hedgehog, Notch, BMI1 and C-met pathways and how does it effect on the regeneration of various classes of SCs and factors that regulates the potency of the SCs are also been discussed. We also focused on the application of SCs in the area of regenerative medicine along with the cellular markers that are useful as salient diagnostic or curative tools or in both, by the process of reprogramming, which includes diabetes, cancer, cardiovascular disorders and neurological disorders. The biomarkers that are mentioned in various literatures and experiments include PDX1, FOXA2, HNF6, and NKX6-1 (for diabetes); CD33, CD24, CD133 (for cancer); c-Kit, SCA-1, Wilm's tumor 1 (for cardiovascular disorders); and OCT4, SOX2, c-MYC, EN1, DAT and VMAT2 (for neurological disorders). In this review, we come to know the advancements and scopes of potential SC-based therapies, its diverse applications in clinical fields that can be helpful in the near future.
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Affiliation(s)
- Arnab Sarkar
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India
| | - Sanjukta Saha
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India
| | - Abhik Paul
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India
| | - Avik Maji
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India
| | - Puspita Roy
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India
| | - Tapan Kumar Maity
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India.
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He L, Chen Z, Peng L, Tang B, Jiang H. Human stem cell models of polyglutamine diseases: Sources for disease models and cell therapy. Exp Neurol 2020; 337:113573. [PMID: 33347831 DOI: 10.1016/j.expneurol.2020.113573] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 12/19/2022]
Abstract
Polyglutamine (polyQ) diseases are a group of neurodegenerative disorders involving expanded CAG repeats in pathogenic genes that are translated into extended polyQ tracts and lead to progressive neuronal degeneration in the affected brain. To date, there is no effective therapy for these diseases. Due to the complex pathologic mechanisms of these diseases, intensive research on the pathogenesis of their progression and potential treatment strategies is being conducted. However, animal models cannot recapitulate all aspects of neuronal degeneration. Pluripotent stem cells (PSCs), such as induced pluripotent stem cells (iPSCs) and embryonic stem cells (ESCs), can be used to study the pathological mechanisms of polyQ diseases, and the ability of autologous stem cell transplantation to treat these diseases. Differentiated PSCs, neuronal precursor cells/neural progenitor cells (NPCs) and mesenchymal stem cells (MSCs) are valuable resources for preclinical and clinical cell transplantation therapies. Here, we discuss diverse stem cell models and their ability to generate neurons involved in polyQ diseases, such as medium spiny neurons (MSNs), cortical neurons, cerebellar Purkinje cells (PCs) and motor neurons. In addition, we discuss potential therapeutic approaches, including stem cell replacement therapy and gene therapy.
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Affiliation(s)
- Lang He
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhao Chen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China; Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, China; National Clinical Research Center for Geriatric Diseases, Central South University, Changsha, Hunan, China
| | - Linliu Peng
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Beisha Tang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China; Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, China; National Clinical Research Center for Geriatric Diseases, Central South University, Changsha, Hunan, China; Laboratory of Medical Genetics, Central South University, Changsha, Hunan, China
| | - Hong Jiang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan, China; Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, China; National Clinical Research Center for Geriatric Diseases, Central South University, Changsha, Hunan, China; Laboratory of Medical Genetics, Central South University, Changsha, Hunan, China.
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Buijsen RAM, Toonen LJA, Gardiner SL, van Roon-Mom WMC. Genetics, Mechanisms, and Therapeutic Progress in Polyglutamine Spinocerebellar Ataxias. Neurotherapeutics 2019; 16:263-286. [PMID: 30607747 PMCID: PMC6554265 DOI: 10.1007/s13311-018-00696-y] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Autosomal dominant cerebellar ataxias (ADCAs) are a group of neurodegenerative disorders characterized by degeneration of the cerebellum and its connections. All ADCAs have progressive ataxia as their main clinical feature, frequently accompanied by dysarthria and oculomotor deficits. The most common spinocerebellar ataxias (SCAs) are 6 polyglutamine (polyQ) SCAs. These diseases are all caused by a CAG repeat expansion in the coding region of a gene. Currently, no curative treatment is available for any of the polyQ SCAs, but increasing knowledge on the genetics and the pathological mechanisms of these polyQ SCAs has provided promising therapeutic targets to potentially slow disease progression. Potential treatments can be divided into pharmacological and gene therapies that target the toxic downstream effects, gene therapies that target the polyQ SCA genes, and stem cell replacement therapies. Here, we will provide a review on the genetics, mechanisms, and therapeutic progress in polyglutamine spinocerebellar ataxias.
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Affiliation(s)
- Ronald A M Buijsen
- Department of Human Genetics, LUMC, P.O. Box 9600, 2300 RC, Leiden, The Netherlands.
| | - Lodewijk J A Toonen
- Department of Human Genetics, LUMC, P.O. Box 9600, 2300 RC, Leiden, The Netherlands
| | - Sarah L Gardiner
- Department of Human Genetics, LUMC, P.O. Box 9600, 2300 RC, Leiden, The Netherlands
- Department of Neurology, LUMC, P.O. Box 9600, 2300 RC, Leiden, The Netherlands
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Haake K, Ackermann M, Lachmann N. Concise Review: Towards the Clinical Translation of Induced Pluripotent Stem Cell-Derived Blood Cells-Ready for Take-Off. Stem Cells Transl Med 2018; 8:332-339. [PMID: 30585439 PMCID: PMC6431684 DOI: 10.1002/sctm.18-0134] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 11/16/2018] [Indexed: 12/19/2022] Open
Abstract
Since their discovery in 2006, induced pluripotent stem cells (iPSCs) have opened up a world of possibilities for regenerative medicine and novel cell‐based therapeutics. Now, over a decade later, robust reprogramming and expansion and differentiation protocols have been developed, and iPSC‐derived cells have been used in a wide variety of small and large animal models to treat many different diseases. Furthermore, the first iPSC derivatives are on their way into clinical trials. In this line, (i) GMP‐compliant generation, cultivation, and differentiation, (ii) preclinical efficacy and safety, as well as (iii) ethical and regulatory compliance of stem cell research represent important aspects that need to be evaluated for proper clinical translation of iPSCs and their derivatives. In this review article, we provide an overview of the current advances and challenges of the clinical translation of iPSC‐derived blood cells and highlight the most pressing problems that have to be overcome in the next years. stem cells translational medicine2019;8:332–339
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Affiliation(s)
- Kathrin Haake
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany.,JRG Translational Hematology of Congenital Diseases, REBIRTH Cluster of Excellence, Hannover Medical School, Hannover, Germany
| | - Mania Ackermann
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany.,JRG Translational Hematology of Congenital Diseases, REBIRTH Cluster of Excellence, Hannover Medical School, Hannover, Germany
| | - Nico Lachmann
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany.,JRG Translational Hematology of Congenital Diseases, REBIRTH Cluster of Excellence, Hannover Medical School, Hannover, Germany
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11
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Stem Cell-Based Therapies for Polyglutamine Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1049:439-466. [DOI: 10.1007/978-3-319-71779-1_21] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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12
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Al-Gharaibeh A, Culver R, Stewart AN, Srinageshwar B, Spelde K, Frollo L, Kolli N, Story D, Paladugu L, Anwar S, Crane A, Wyse R, Maiti P, Dunbar GL, Rossignol J. Induced Pluripotent Stem Cell-Derived Neural Stem Cell Transplantations Reduced Behavioral Deficits and Ameliorated Neuropathological Changes in YAC128 Mouse Model of Huntington's Disease. Front Neurosci 2017; 11:628. [PMID: 29209158 PMCID: PMC5701605 DOI: 10.3389/fnins.2017.00628] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 10/27/2017] [Indexed: 01/01/2023] Open
Abstract
Huntington's disease (HD) is a genetic neurodegenerative disorder characterized by neuronal loss and motor dysfunction. Although there is no effective treatment, stem cell transplantation offers a promising therapeutic strategy, but the safety and efficacy of this approach needs to be optimized. The purpose of this study was to test the potential of intra-striatal transplantation of induced pluripotent stem cell-derived neural stem cells (iPS-NSCs) for treating HD. For this purpose, we developed mouse adenovirus-generated iPSCs, differentiated them into neural stem cells in vitro, labeled them with Hoechst, and transplanted them bilaterally into striata of 10-month old wild type (WT) and HD YAC128 mice. We assessed the efficiency of these transplanted iPS-NSCs to reduce motor deficits in YAC128 mice by testing them on an accelerating rotarod task at 1 day prior to transplantation, and then weekly for 10 weeks. Our results showed an amelioration of locomotor deficits in YAC128 mice that received iPS-NSC transplantations. Following testing, the mice were sacrificed, and their brains were analyzed using immunohistochemistry and Western blot (WB). The results from our histological examinations revealed no signs of tumors and evidence that many iPS-NSCs survived and differentiated into region-specific neurons (medium spiny neurons) in both WT and HD mice, as confirmed by co-labeling of Hoechst-labeled transplanted cells with NeuN and DARPP-32. Also, counts of Hoechst-labeled cells revealed that a higher proportion were co-labeled with DARPP-32 and NeuN in HD-, compared to WT- mice, suggesting a dissimilar differentiation pattern in HD mice. Whereas significant decreases were found in counts of NeuN- and DARPP-32-labeled cells, and for neuronal density measures in striata of HD vehicle controls, such decrements were not observed in the iPS-NSCs-transplanted-HD mice. WB analysis showed increase of BDNF and TrkB levels in striata of transplanted HD mice compared to HD vehicle controls. Collectively, our data suggest that iPS-NSCs may provide an effective option for neuronal replacement therapy in HD.
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Affiliation(s)
- Abeer Al-Gharaibeh
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States
| | - Rebecca Culver
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States
| | - Andrew N Stewart
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States
| | - Bhairavi Srinageshwar
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States
| | - Kristin Spelde
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States
| | - Laura Frollo
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States
| | - Nivya Kolli
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States
| | - Darren Story
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States.,Department of Psychology, Central Michigan University, Mount Pleasant, MI, United States
| | - Leela Paladugu
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States
| | - Sarah Anwar
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States
| | - Andrew Crane
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States
| | - Robert Wyse
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States
| | - Panchanan Maiti
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States.,Department of Psychology, Central Michigan University, Mount Pleasant, MI, United States.,Field Neurosciences Institute, St. Mary's of Michigan, Saginaw, MI, United States
| | - Gary L Dunbar
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States.,Department of Psychology, Central Michigan University, Mount Pleasant, MI, United States.,Field Neurosciences Institute, St. Mary's of Michigan, Saginaw, MI, United States
| | - Julien Rossignol
- Field Neurosciences Institute Laboratory for Restorative Neurology, Central Michigan University, Mount Pleasant, MI, United States.,Program in Neuroscience, Central Michigan University, Mount Pleasant, MI, United States.,College of Medicine, Central Michigan University, Mt Pleasant, MI, United States
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13
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Tartaglione AM, Popoli P, Calamandrei G. Regenerative medicine in Huntington's disease: Strengths and weaknesses of preclinical studies. Neurosci Biobehav Rev 2017; 77:32-47. [PMID: 28223129 DOI: 10.1016/j.neubiorev.2017.02.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 01/26/2017] [Accepted: 02/17/2017] [Indexed: 01/22/2023]
Abstract
Huntington's disease (HD) is an inherited neurodegenerative disorder, characterized by impairment in motor, cognitive and psychiatric domains. Currently, there is no specific therapy to act on the onset or progression of HD. The marked neuronal death observed in HD is a main argument in favour of stem cells (SCs) transplantation as a promising therapeutic perspective to replace the population of lost neurons and restore the functionality of the damaged circuitry. The availability of rodent models of HD encourages the investigation of the restorative potential of SCs transplantation longitudinally. However, the results of preclinical studies on SCs therapy in HD are so far largely inconsistent; this hampers the individuation of the more appropriate model and precludes the comparative analysis of transplant efficacy on behavioural end points. Thus, this review will describe the state of the art of in vivo research on SCs therapy in HD, analysing in a translational perspective the strengths and weaknesses of animal studies investigating the therapeutic potential of cell transplantation on HD progression.
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Affiliation(s)
- A M Tartaglione
- Centre for Behavioral Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy
| | - P Popoli
- National Centre for Medicines Research and Preclinical/Clinical Evaluation, Rome, Italy
| | - G Calamandrei
- Centre for Behavioral Sciences and Mental Health, Istituto Superiore di Sanità, Rome, Italy.
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14
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Gervois P, Wolfs E, Ratajczak J, Dillen Y, Vangansewinkel T, Hilkens P, Bronckaers A, Lambrichts I, Struys T. Stem Cell-Based Therapies for Ischemic Stroke: Preclinical Results and the Potential of Imaging-Assisted Evaluation of Donor Cell Fate and Mechanisms of Brain Regeneration. Med Res Rev 2016; 36:1080-1126. [DOI: 10.1002/med.21400] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 05/27/2016] [Accepted: 06/17/2016] [Indexed: 12/15/2022]
Affiliation(s)
- Pascal Gervois
- Morphology Research Group, Biomedical Research Institute, Hasselt University; Campus Diepenbeek; Bioville Diepenbeek Belgium
| | - Esther Wolfs
- Morphology Research Group, Biomedical Research Institute, Hasselt University; Campus Diepenbeek; Bioville Diepenbeek Belgium
| | - Jessica Ratajczak
- Morphology Research Group, Biomedical Research Institute, Hasselt University; Campus Diepenbeek; Bioville Diepenbeek Belgium
| | - Yörg Dillen
- Morphology Research Group, Biomedical Research Institute, Hasselt University; Campus Diepenbeek; Bioville Diepenbeek Belgium
| | - Tim Vangansewinkel
- Morphology Research Group, Biomedical Research Institute, Hasselt University; Campus Diepenbeek; Bioville Diepenbeek Belgium
| | - Petra Hilkens
- Morphology Research Group, Biomedical Research Institute, Hasselt University; Campus Diepenbeek; Bioville Diepenbeek Belgium
| | - Annelies Bronckaers
- Morphology Research Group, Biomedical Research Institute, Hasselt University; Campus Diepenbeek; Bioville Diepenbeek Belgium
| | - Ivo Lambrichts
- Morphology Research Group, Biomedical Research Institute, Hasselt University; Campus Diepenbeek; Bioville Diepenbeek Belgium
| | - Tom Struys
- Morphology Research Group, Biomedical Research Institute, Hasselt University; Campus Diepenbeek; Bioville Diepenbeek Belgium
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15
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Fink KD, Deng P, Torrest A, Stewart H, Pollock K, Gruenloh W, Annett G, Tempkin T, Wheelock V, Nolta JA. Developing stem cell therapies for juvenile and adult-onset Huntington's disease. Regen Med 2016; 10:623-46. [PMID: 26237705 PMCID: PMC6785015 DOI: 10.2217/rme.15.25] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Stem cell therapies have been explored as a new avenue for the treatment of neurologic disease and damage within the CNS in part due to their native ability to mimic repair mechanisms in the brain. Mesenchymal stem cells have been of particular clinical interest due to their ability to release beneficial neurotrophic factors and their ability to foster a neuroprotective microenviroment. While early stem cell transplantation therapies have been fraught with technical and political concerns as well as limited clinical benefits, mesenchymal stem cell therapies have been shown to be clinically beneficial and derivable from nonembryonic, adult sources. The focus of this review will be on emerging and extant stem cell therapies for juvenile and adult-onset Huntington’s disease.
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Affiliation(s)
- Kyle D Fink
- Stem Cell Program & Institute for Regenerative Cures, University of California Davis Health Systems, 2921 Stockton Blvd. Sacramento, CA, USA 95817
| | - Peter Deng
- Stem Cell Program & Institute for Regenerative Cures, University of California Davis Health Systems, 2921 Stockton Blvd. Sacramento, CA, USA 95817
| | - Audrey Torrest
- Stem Cell Program & Institute for Regenerative Cures, University of California Davis Health Systems, 2921 Stockton Blvd. Sacramento, CA, USA 95817
| | - Heather Stewart
- Stem Cell Program & Institute for Regenerative Cures, University of California Davis Health Systems, 2921 Stockton Blvd. Sacramento, CA, USA 95817
| | - Kari Pollock
- Stem Cell Program & Institute for Regenerative Cures, University of California Davis Health Systems, 2921 Stockton Blvd. Sacramento, CA, USA 95817
| | - William Gruenloh
- Stem Cell Program & Institute for Regenerative Cures, University of California Davis Health Systems, 2921 Stockton Blvd. Sacramento, CA, USA 95817
| | - Geralyn Annett
- Stem Cell Program & Institute for Regenerative Cures, University of California Davis Health Systems, 2921 Stockton Blvd. Sacramento, CA, USA 95817
| | - Teresa Tempkin
- GenomeCenter, Biochemistry & Molecular Medicine, University of California, 451 Health Sciences Dr. Davis, CA 95616 USA
| | - Vicki Wheelock
- Department of Neurology, University of California Davis Health Systems, 4860 Y Street Sacramento, CA, 95817 USA
| | - Jan A Nolta
- Stem Cell Program & Institute for Regenerative Cures, University of California Davis Health Systems, 2921 Stockton Blvd. Sacramento, CA, USA 95817
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16
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Emerging landscape of cell penetrating peptide in reprogramming and gene editing. J Control Release 2016; 226:124-37. [DOI: 10.1016/j.jconrel.2016.02.002] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 01/31/2016] [Accepted: 02/01/2016] [Indexed: 12/11/2022]
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17
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Fisher SP, Schwartz MD, Wurts-Black S, Thomas AM, Chen TM, Miller MA, Palmerston JB, Kilduff TS, Morairty SR. Quantitative Electroencephalographic Analysis Provides an Early-Stage Indicator of Disease Onset and Progression in the zQ175 Knock-In Mouse Model of Huntington's Disease. Sleep 2016; 39:379-91. [PMID: 26446107 DOI: 10.5665/sleep.5448] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Accepted: 09/05/2015] [Indexed: 01/09/2023] Open
Abstract
STUDY OBJECTIVES Patients with Huntington's disease (HD) show a high prevalence of sleep disorders that typically occur prior to the onset of motoric symptoms and neurodegeneration. Our understanding of the pathophysiological alterations in premanifest HD is limited, hindering the ability to measure disease modification in response to treatment. We used a full-length knock-in HD model to determine early changes in the electroencephalogram (EEG) and sleep that may predict the onset and progression of the disease. METHODS A 10-month longitudinal study was designed to determine the effect of the HD mutation on the EEG and sleep/wake changes in heterozygous (HET) and homozygous (HOM) zQ175 mice and wild-type (WT) littermates from 8 to 48 w of age. Mice were instrumented with tethered headmounts to record EEG/electromyography signals. Telemeters were implanted to continuously measure locomotor activity (LMA) and body temperature (Tb). Sleep deprivation (SDep) was performed at 8, 12, 16, 24, 32, and 48 w of age. RESULTS The HD mutation disrupted the EEG field potential from 8-12 w in an age- and mutant huntington dose-dependent manner, prior to changes in sleep/wake states, LMA, and Tb. Prominent effects of the HD mutation on the EEG included a progressive reduction in low frequency power, a slowing of rapid eye movement peak theta frequency, and the emergence of state-dependent beta/gamma oscillations. There was no effect of genotype on the relative increase in nonrapid eye movement delta power or sleep time in response to SDep. CONCLUSIONS The expression of the Huntington's disease (HD) mutation results in complex EEG alterations that occur prior to deficits in behavioral measures and are one of the earliest phenotypes uncovered in this mouse model. Despite these EEG changes, homeostatic responses to sleep loss were preserved in HET and HOM zQ175 mice. Greater insight into the localization and response of these EEG alterations to novel therapies may enable early intervention and improve outcomes for patients with HD.
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Affiliation(s)
- Simon P Fisher
- Center for Neuroscience, Biosciences Division, SRI International, Menlo Park, California
| | - Michael D Schwartz
- Center for Neuroscience, Biosciences Division, SRI International, Menlo Park, California
| | - Sarah Wurts-Black
- Center for Neuroscience, Biosciences Division, SRI International, Menlo Park, California
| | - Alexia M Thomas
- Center for Neuroscience, Biosciences Division, SRI International, Menlo Park, California
| | - Tsui-Ming Chen
- Center for Neuroscience, Biosciences Division, SRI International, Menlo Park, California
| | - Michael A Miller
- Center for Neuroscience, Biosciences Division, SRI International, Menlo Park, California
| | - Jeremiah B Palmerston
- Center for Neuroscience, Biosciences Division, SRI International, Menlo Park, California
| | - Thomas S Kilduff
- Center for Neuroscience, Biosciences Division, SRI International, Menlo Park, California
| | - Stephen R Morairty
- Center for Neuroscience, Biosciences Division, SRI International, Menlo Park, California
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18
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Liu L, Huang JS, Han C, Zhang GX, Xu XY, Shen Y, Li J, Jiang HY, Lin ZC, Xiong N, Wang T. Induced Pluripotent Stem Cells in Huntington's Disease: Disease Modeling and the Potential for Cell-Based Therapy. Mol Neurobiol 2015; 53:6698-6708. [PMID: 26659595 DOI: 10.1007/s12035-015-9601-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 12/01/2015] [Indexed: 12/31/2022]
Abstract
Huntington's disease (HD) is an incurable neurodegenerative disorder that is characterized by motor dysfunction, cognitive impairment, and behavioral abnormalities. It is an autosomal dominant disorder caused by a CAG repeat expansion in the huntingtin gene, resulting in progressive neuronal loss predominately in the striatum and cortex. Despite the discovery of the causative gene in 1993, the exact mechanisms underlying HD pathogenesis have yet to be elucidated. Treatments that slow or halt the disease process are currently unavailable. Recent advances in induced pluripotent stem cell (iPSC) technologies have transformed our ability to study disease in human neural cells. Here, we firstly review the progress made to model HD in vitro using patient-derived iPSCs, which reveal unique insights into illuminating molecular mechanisms and provide a novel human cell-based platform for drug discovery. We then highlight the promises and challenges for pluripotent stem cells that might be used as a therapeutic source for cell replacement therapy of the lost neurons in HD brains.
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Affiliation(s)
- Ling Liu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jin-Sha Huang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Chao Han
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Guo-Xin Zhang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiao-Yun Xu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yan Shen
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jie Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hai-Yang Jiang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhi-Cheng Lin
- Department of Psychiatry, Harvard Medical School; Division of Alcohol and Drug Abuse, and Mailman Neuroscience Research Center, McLean Hospital, Belmont, MA, USA
| | - Nian Xiong
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Tao Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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19
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Chen W, Huang J, Yu X, Lin X, Dai Y. Generation of induced pluripotent stem cells from renal tubular cells of a patient with Alport syndrome. Int J Nephrol Renovasc Dis 2015; 8:101-9. [PMID: 26345127 PMCID: PMC4551301 DOI: 10.2147/ijnrd.s85733] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Alport syndrome (AS) is a hereditary disease that leads to kidney failure and is caused by mutations in the COL4A3, COL4A4, and COL4A5 genes that lead to the absence of collagen α3α4α5 (IV) networks in the mature kidney glomerular basement membrane. Approximately 80% of AS is X-linked because of mutations in COL4A5, the gene encoding the alpha 5 chain of type IV collagen. To investigate the pathogenesis of AS at the genetic level, we generated induced pluripotent stem cells (iPSCs) from renal tubular cells of a patient with AS. The successful iPSC generation laid the foundation to master the repair of the COL4A5 gene and to evaluate the differentiation of iPSC into Sertoli cells and the accompanying epigenetic changes at each stage. The generation of iPSCs from AS patients not only confirms that iPSCs could be generated from renal tubular cells, but also provides a novel type of genetic therapy for AS patients. In this study, we generated iPSCs from renal tubular cells via ectopic expression of four transcription factors (Oct4, Sox2, c-myc, and Klf4). According to the human embryonic stem cell (hESC) charter, iPSC formation was confirmed by comparatively analyzing hESC markers via colony morphology, immunohistochemistry, qRT-PCR, flow cytometry, gene expression profiling of the three germ layers, and karyotyping. Our results demonstrated that iPSCs were similar to hESCs with regard to morphology, proliferation, hESC-specific surface marker expression, and differentiation into the cell types of the three germ layers. The efficient generation of iPSCs from the renal tubular cells of an AS patient would provide a novel model to investigate the mechanisms underlying AS and to develop new treatments for AS.
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Affiliation(s)
- Wenbiao Chen
- The Clinical Medical Research Center, Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, Guangdong, People's Republic of China
| | - Jianrong Huang
- Department of Hemodialysis, The Third People's Hospital of Shenzhen, Shenzhen, Guangdong, People's Republic of China
| | - Xiangqi Yu
- The Clinical Medical Research Center, Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, Guangdong, People's Republic of China
| | - Xiaocong Lin
- Institute of Biochemistry and Molecular Biology, Guangdong Medical College, Zhanjiang, People's Republic of China
| | - Yong Dai
- The Clinical Medical Research Center, Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, Guangdong, People's Republic of China
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20
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Bradford AB, McNutt PM. Importance of being Nernst: Synaptic activity and functional relevance in stem cell-derived neurons. World J Stem Cells 2015; 7:899-921. [PMID: 26240679 PMCID: PMC4515435 DOI: 10.4252/wjsc.v7.i6.899] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Revised: 02/28/2015] [Accepted: 05/11/2015] [Indexed: 02/06/2023] Open
Abstract
Functional synaptogenesis and network emergence are signature endpoints of neurogenesis. These behaviors provide higher-order confirmation that biochemical and cellular processes necessary for neurotransmitter release, post-synaptic detection and network propagation of neuronal activity have been properly expressed and coordinated among cells. The development of synaptic neurotransmission can therefore be considered a defining property of neurons. Although dissociated primary neuron cultures readily form functioning synapses and network behaviors in vitro, continuously cultured neurogenic cell lines have historically failed to meet these criteria. Therefore, in vitro-derived neuron models that develop synaptic transmission are critically needed for a wide array of studies, including molecular neuroscience, developmental neurogenesis, disease research and neurotoxicology. Over the last decade, neurons derived from various stem cell lines have shown varying ability to develop into functionally mature neurons. In this review, we will discuss the neurogenic potential of various stem cells populations, addressing strengths and weaknesses of each, with particular attention to the emergence of functional behaviors. We will propose methods to functionally characterize new stem cell-derived neuron (SCN) platforms to improve their reliability as physiological relevant models. Finally, we will review how synaptically active SCNs can be applied to accelerate research in a variety of areas. Ultimately, emphasizing the critical importance of synaptic activity and network responses as a marker of neuronal maturation is anticipated to result in in vitro findings that better translate to efficacious clinical treatments.
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21
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Applications of Induced Pluripotent Stem Cells in Studying the Neurodegenerative Diseases. Stem Cells Int 2015; 2015:382530. [PMID: 26240571 PMCID: PMC4512612 DOI: 10.1155/2015/382530] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Accepted: 12/05/2014] [Indexed: 12/21/2022] Open
Abstract
Neurodegeneration is the umbrella term for the progressive loss of structure or function of neurons. Incurable neurodegenerative disorders such as Alzheimer's disease (AD) and Parkinson's disease (PD) show dramatic rising trends particularly in the advanced age groups. However, the underlying mechanisms are not yet fully elucidated, and to date there are no biomarkers for early detection or effective treatments for the underlying causes of these diseases. Furthermore, due to species variation and differences between animal models (e.g., mouse transgenic and knockout models) of neurodegenerative diseases, substantial debate focuses on whether animal and cell culture disease models can correctly model the condition in human patients. In 2006, Yamanaka of Kyoto University first demonstrated a novel approach for the preparation of induced pluripotent stem cells (iPSCs), which displayed similar pluripotency potential to embryonic stem cells (ESCs). Currently, iPSCs studies are permeating many sectors of disease research. Patient sample-derived iPSCs can be used to construct patient-specific disease models to elucidate the pathogenic mechanisms of disease development and to test new therapeutic strategies. Accordingly, the present review will focus on recent progress in iPSC research in the modeling of neurodegenerative disorders and in the development of novel therapeutic options.
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22
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Garbett KA, Vereczkei A, Kálmán S, Brown JA, Taylor WD, Faludi G, Korade Ž, Shelton RC, Mirnics K. Coordinated messenger RNA/microRNA changes in fibroblasts of patients with major depression. Biol Psychiatry 2015; 77:256-265. [PMID: 25016317 PMCID: PMC4254393 DOI: 10.1016/j.biopsych.2014.05.015] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 04/30/2014] [Accepted: 05/22/2014] [Indexed: 12/22/2022]
Abstract
BACKGROUND Peripheral biomarkers for major psychiatric disorders have been an elusive target for the last half a century. Dermal fibroblasts are a simple, relevant, and much underutilized model for studying molecular processes of patients with affective disorders, as they share considerable similarity of signal transduction with neuronal tissue. METHODS Cultured dermal fibroblast samples from patients with major depressive disorder (MDD) and matched control subjects (n = 16 pairs, 32 samples) were assayed for genome-wide messenger RNA (mRNA) expression using microarrays. In addition, a simultaneous quantitative polymerase chain reaction-based assessment of >1000 microRNA (miRNA) species was performed. Finally, to test the relationship between the mRNA-miRNA expression changes, the two datasets were correlated with each other. RESULTS Our data revealed that MDD fibroblasts, when compared with matched control subjects, showed a strong mRNA gene expression pattern change in multiple molecular pathways, including cell-to-cell communication, innate/adaptive immunity, and cell proliferation. Furthermore, the same patient fibroblasts showed altered expression of a distinct panel of 38 miRNAs, which putatively targeted many of the differentially expressed mRNAs. The miRNA-mRNA expression changes appeared to be functionally connected, as the majority of the miRNA and mRNA changes were in the opposite direction. CONCLUSIONS Our data suggest that combined miRNA-mRNA assessments are informative about the disease process and that analyses of dermal fibroblasts might lead to the discovery of promising peripheral biomarkers of MDD that could be potentially used to aid the diagnosis and allow mechanistic testing of disturbed molecular pathways.
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Affiliation(s)
| | - Andrea Vereczkei
- Department of Psychiatry, Vanderbilt University, Nashville, Tennessee; Institute for Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University, Budapest
| | - Sára Kálmán
- Department of Psychiatry, Vanderbilt University, Nashville, Tennessee; Department of Psychiatry, University of Szeged, Szeged
| | - Jacquelyn A Brown
- Department of Psychiatry, Vanderbilt University, Nashville, Tennessee
| | - Warren D Taylor
- Department of Psychiatry, Vanderbilt University, Nashville, Tennessee
| | - Gábor Faludi
- Department of Psychiatry, Kútvölgyi Clinical Centre, Semmelweis University, Budapest, Hungary
| | - Željka Korade
- Department of Psychiatry, Vanderbilt University, Nashville, Tennessee; Vanderbilt Kennedy Center for Research on Human Development (ZK, KM), Vanderbilt University, Nashville, Tennessee
| | - Richard C Shelton
- Department of Psychiatry, University of Alabama, Birmingham, Alabama
| | - Károly Mirnics
- Department of Psychiatry, Vanderbilt University, Nashville, Tennessee; Department of Psychiatry, University of Szeged, Szeged; Vanderbilt Kennedy Center for Research on Human Development (ZK, KM), Vanderbilt University, Nashville, Tennessee..
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23
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Use of Genetically Altered Stem Cells for the Treatment of Huntington's Disease. Brain Sci 2014; 4:202-19. [PMID: 24961705 PMCID: PMC4066244 DOI: 10.3390/brainsci4010202] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Revised: 02/18/2014] [Accepted: 02/19/2014] [Indexed: 12/14/2022] Open
Abstract
Transplantation of stem cells for the treatment of Huntington’s disease (HD) garnered much attention prior to the turn of the century. Several studies using mesenchymal stem cells (MSCs) have indicated that these cells have enormous therapeutic potential in HD and other disorders. Advantages of using MSCs for cell therapies include their ease of isolation, rapid propagation in culture, and favorable immunomodulatory profiles. However, the lack of consistent neuronal differentiation of transplanted MSCs has limited their therapeutic efficacy to slowing the progression of HD-like symptoms in animal models of HD. The use of MSCs which have been genetically altered to overexpress brain derived neurotrophic factor to enhance support of surviving cells in a rodent model of HD provides proof-of-principle that these cells may provide such prophylactic benefits. New techniques that may prove useful for cell replacement therapies in HD include the use of genetically altering fate-restricted cells to produce induced pluripotent stem cells (iPSCs). These iPSCs appear to have certain advantages over the use of embryonic stem cells, including being readily available, easy to obtain, less evidence of tumor formation, and a reduced immune response following their transplantation. Recently, transplants of iPSCs have shown to differentiate into region-specific neurons in an animal model of HD. The overall successes of using genetically altered stem cells for reducing neuropathological and behavioral deficits in rodent models of HD suggest that these approaches have considerable potential for clinical use. However, the choice of what type of genetically altered stem cell to use for transplantation is dependent on the stage of HD and whether the end-goal is preserving endogenous neurons in early-stage HD, or replacing the lost neurons in late-stage HD. This review will discuss the current state of stem cell technology for treating the different stages of HD and possible future directions for stem-cell therapy in HD.
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