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Nguyen QT, Thanh LN, Hoang VT, Phan TTK, Heke M, Hoang DM. Bone Marrow-Derived Mononuclear Cells in the Treatment of Neurological Diseases: Knowns and Unknowns. Cell Mol Neurobiol 2023; 43:3211-3250. [PMID: 37356043 DOI: 10.1007/s10571-023-01377-x] [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: 01/30/2023] [Accepted: 06/14/2023] [Indexed: 06/27/2023]
Abstract
Bone marrow-derived mononuclear cells (BMMNCs) have been used for decades in preclinical and clinical studies to treat various neurological diseases. However, there is still a knowledge gap in the understanding of the underlying mechanisms of BMMNCs in the treatment of neurological diseases. In addition, prerequisite factors for the efficacy of BMMNC administration, such as the optimal route, dose, and number of administrations, remain unclear. In this review, we discuss known and unknown aspects of BMMNCs, including the cell harvesting, administration route and dose; mechanisms of action; and their applications in neurological diseases, including stroke, cerebral palsy, spinal cord injury, traumatic brain injury, amyotrophic lateral sclerosis, autism spectrum disorder, and epilepsy. Furthermore, recommendations on indications for BMMNC administration and the advantages and limitations of BMMNC applications for neurological diseases are discussed. BMMNCs in the treatment of neurological diseases. BMMNCs have been applied in several neurological diseases. Proposed mechanisms for the action of BMMNCs include homing, differentiation and paracrine effects (angiogenesis, neuroprotection, and anti-inflammation). Further studies should be performed to determine the optimal cell dose and administration route, the roles of BMMNC subtypes, and the indications for the use of BMMNCs in neurological conditions with and without genetic abnormalities.
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Affiliation(s)
- Quyen Thi Nguyen
- Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, 458 Minh Khai, Hai Ba Trung, Hanoi, 11622, Vietnam
| | - Liem Nguyen Thanh
- Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, 458 Minh Khai, Hai Ba Trung, Hanoi, 11622, Vietnam.
- College of Health Science, Vin University, Vinhomes Ocean Park, Gia Lam District, Hanoi, 12400, Vietnam.
- Vinmec International Hospital-Times City, Vinmec Healthcare System, 458 Minh Khai, Hanoi, 11622, Vietnam.
| | - Van T Hoang
- Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, 458 Minh Khai, Hai Ba Trung, Hanoi, 11622, Vietnam
| | - Trang T K Phan
- Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, 458 Minh Khai, Hai Ba Trung, Hanoi, 11622, Vietnam
| | - Michael Heke
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Duc M Hoang
- Vinmec Research Institute of Stem Cell and Gene Technology, Vinmec Healthcare System, 458 Minh Khai, Hai Ba Trung, Hanoi, 11622, Vietnam
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Transition from Animal-Based to Human Induced Pluripotent Stem Cells (iPSCs)-Based Models of Neurodevelopmental Disorders: Opportunities and Challenges. Cells 2023; 12:cells12040538. [PMID: 36831205 PMCID: PMC9954744 DOI: 10.3390/cells12040538] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/25/2023] [Accepted: 02/02/2023] [Indexed: 02/11/2023] Open
Abstract
Neurodevelopmental disorders (NDDs) arise from the disruption of highly coordinated mechanisms underlying brain development, which results in impaired sensory, motor and/or cognitive functions. Although rodent models have offered very relevant insights to the field, the translation of findings to clinics, particularly regarding therapeutic approaches for these diseases, remains challenging. Part of the explanation for this failure may be the genetic differences-some targets not being conserved between species-and, most importantly, the differences in regulation of gene expression. This prompts the use of human-derived models to study NDDS. The generation of human induced pluripotent stem cells (hIPSCs) added a new suitable alternative to overcome species limitations, allowing for the study of human neuronal development while maintaining the genetic background of the donor patient. Several hIPSC models of NDDs already proved their worth by mimicking several pathological phenotypes found in humans. In this review, we highlight the utility of hIPSCs to pave new paths for NDD research and development of new therapeutic tools, summarize the challenges and advances of hIPSC-culture and neuronal differentiation protocols and discuss the best way to take advantage of these models, illustrating this with examples of success for some NDDs.
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3
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Nistor-Cseppentö DC, Jurcău MC, Jurcău A, Andronie-Cioară FL, Marcu F. Stem Cell- and Cell-Based Therapies for Ischemic Stroke. Bioengineering (Basel) 2022; 9:717. [PMID: 36421118 PMCID: PMC9687728 DOI: 10.3390/bioengineering9110717] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/14/2022] [Accepted: 11/18/2022] [Indexed: 09/12/2023] Open
Abstract
Stroke is the second cause of disability worldwide as it is expected to increase its incidence and prevalence. Despite efforts to increase the number of patients eligible for recanalization therapies, a significant proportion of stroke survivors remain permanently disabled. This outcome boosted the search for efficient neurorestorative methods. Stem cells act through multiple pathways: cell replacement, the secretion of growth factors, promoting endogenous reparative pathways, angiogenesis, and the modulation of neuroinflammation. Although neural stem cells are difficult to obtain, pose a series of ethical issues, and require intracerebral delivery, mesenchymal stem cells are less immunogenic, are easy to obtain, and can be transplanted via intravenous, intra-arterial, or intranasal routes. Extracellular vesicles and exosomes have similar actions and are easier to obtain, also allowing for engineering to deliver specific molecules or RNAs and to promote the desired effects. Appropriate timing, dosing, and delivery protocols must be established, and the possibility of tumorigenesis must be settled. Nonetheless, stem cell- and cell-based therapies for stroke have already entered clinical trials. Although safe, the evidence for efficacy is less impressive so far. Hopefully, the STEP guidelines and the SPAN program will improve the success rate. As such, stem cell- and cell-based therapy for ischemic stroke holds great promise.
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Affiliation(s)
- Delia Carmen Nistor-Cseppentö
- Department of Psycho-Neurosciences and Rehabilitation, Faculty of Medicine and Pharmacy, University of Oradea, 410087 Oradea, Romania
| | | | - Anamaria Jurcău
- Department of Psycho-Neurosciences and Rehabilitation, Faculty of Medicine and Pharmacy, University of Oradea, 410087 Oradea, Romania
| | - Felicia Liana Andronie-Cioară
- Department of Psycho-Neurosciences and Rehabilitation, Faculty of Medicine and Pharmacy, University of Oradea, 410087 Oradea, Romania
| | - Florin Marcu
- Department of Psycho-Neurosciences and Rehabilitation, Faculty of Medicine and Pharmacy, University of Oradea, 410087 Oradea, Romania
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Richard SA, Sackey M. Elucidating the Pivotal Neuroimmunomodulation of Stem Cells in Spinal Cord Injury Repair. Stem Cells Int 2021; 2021:9230866. [PMID: 34341666 PMCID: PMC8325586 DOI: 10.1155/2021/9230866] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 07/03/2021] [Accepted: 07/17/2021] [Indexed: 12/11/2022] Open
Abstract
Spinal cord injury (SCI) is a distressing incident with abrupt onset of the motor as well as sensory dysfunction, and most often, the injury occurs as result of high-energy or velocity accidents as well as contact sports and falls in the elderly. The key challenges associated with nerve repair are the lack of self-repair as well as neurotrophic factors and primary and secondary neuronal apoptosis, as well as factors that prevent the regeneration of axons locally. Neurons that survive the initial traumatic damage may be lost due to pathogenic activities like neuroinflammation and apoptosis. Implanted stem cells are capable of differentiating into neural cells that replace injured cells as well as offer local neurotrophic factors that aid neuroprotection, immunomodulation, axonal sprouting, axonal regeneration, and remyelination. At the microenvironment of SCI, stem cells are capable of producing growth factors like brain-derived neurotrophic factor and nerve growth factor which triggers neuronal survival as well as axonal regrowth. Although stem cells have proven to be of therapeutic value in SCI, the major disadvantage of some of the cell types is the risk for tumorigenicity due to the contamination of undifferentiated cells prior to transplantation. Local administration of stem cells via either direct cellular injection into the spinal cord parenchyma or intrathecal administration into the subarachnoid space is currently the best transplantation modality for stem cells during SCI.
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Affiliation(s)
- Seidu A. Richard
- Department of Medicine, Princefield University, P.O. Box MA128, Ho, Ghana
| | - Marian Sackey
- Department of Pharmacy, Ho Teaching Hospital, P.O. Box MA-374, Ho, Ghana
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Panchalingam K, Wang T, Jung S, Ahmadian Baghbaderani B. Development of bioreactor protocols for stem cell‐based therapies. CAN J CHEM ENG 2021. [DOI: 10.1002/cjce.24225] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Development and Differentiation of Midbrain Dopaminergic Neuron: From Bench to Bedside. Cells 2020; 9:cells9061489. [PMID: 32570916 PMCID: PMC7349799 DOI: 10.3390/cells9061489] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/29/2020] [Accepted: 06/12/2020] [Indexed: 02/06/2023] Open
Abstract
Parkinson’s Disease (PD) is a neurodegenerative disorder affecting the motor system. It is primarily due to substantial loss of midbrain dopamine (mDA) neurons in the substantia nigra pars compacta and to decreased innervation to the striatum. Although existing drug therapy available can relieve the symptoms in early-stage PD patients, it cannot reverse the pathogenic progression of PD. Thus, regenerating functional mDA neurons in PD patients may be a cure to the disease. The proof-of-principle clinical trials showed that human fetal graft-derived mDA neurons could restore the release of dopamine neurotransmitters, could reinnervate the striatum, and could alleviate clinical symptoms in PD patients. The invention of human-induced pluripotent stem cells (hiPSCs), autologous source of neural progenitors with less ethical consideration, and risk of graft rejection can now be generated in vitro. This advancement also prompts extensive research to decipher important developmental signaling in differentiation, which is key to successful in vitro production of functional mDA neurons and the enabler of mass manufacturing of the cells required for clinical applications. In this review, we summarize the biology and signaling involved in the development of mDA neurons and the current progress and methodology in driving efficient mDA neuron differentiation from pluripotent stem cells.
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Neuralized mesenchymal stem cells (NMSC) exhibit phenotypical, and biological evidence of neuronal transdifferentiation and suppress EAE more effectively than unmodified MSC. Immunol Lett 2019; 212:6-13. [DOI: 10.1016/j.imlet.2019.05.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 05/15/2019] [Accepted: 05/20/2019] [Indexed: 12/22/2022]
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8
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Rujanapun N, Heebkaew N, Promjantuek W, Sotthibundhu A, Kunhorm P, Chaicharoenaudomrung N, Noisa P. Small molecules re-establish neural cell fate of human fibroblasts via autophagy activation. In Vitro Cell Dev Biol Anim 2019; 55:622-632. [PMID: 31321620 DOI: 10.1007/s11626-019-00381-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 06/18/2019] [Indexed: 12/19/2022]
Abstract
The generation of neural cells is of great interest in medical research because of its promising in neurodegenerative diseases. Small chemical molecules have been used for inducing specific cell types across lineage boundaries. Therefore, to direct neural cell fate, small molecule is a feasible approach for generating clinically relevant cell types without genetic alterations. Human fibroblasts have been directly induced into neural cells with different combinations of small molecules; however, the mechanism underlying neural induction is still not fully understood. In this study, human fibroblasts were induced into neural cells by using only 4 small molecules in a short time period, 5 d. Small molecules used in this study included WNT activator, DNMT inhibitor, Notch inhibitor, and retinoic acid. Neural-specific genes, including NESTIN, TUJ1, and SOX2, were upregulated upon the induction for 5 d. Noteworthy, this neural induction process by small molecules coincided with the activation of autophagy. Autophagy-related genes, such as LC3, ATG12, and LAMP1, were enhanced upon neural induction, and the number of induced-neural cells decreased when autophagy was suppressed by chloroquine. The activation of autophagy was found to reduce ROS generation within the induced-neural cells, and the inhibition of autophagy by chloroquine suppressed the expression of antioxidant genes, CATALASE, SOD, and GPX. This implied that autophagy maintained the optimal level of ROS for neural induction of human fibroblasts. Altogether, this study presented the effective and convenient condition to induce neural cells from human fibroblasts and revealed the positive roles of autophagy in controlling neural cell induction.
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Affiliation(s)
- Narawadee Rujanapun
- Laboratory of Cell-Based Assays and Innovations, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, 111 University Avenue, Nakhon Ratchasima, 30000, Thailand
| | - Nudjanad Heebkaew
- Laboratory of Cell-Based Assays and Innovations, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, 111 University Avenue, Nakhon Ratchasima, 30000, Thailand
| | - Wilasinee Promjantuek
- Laboratory of Cell-Based Assays and Innovations, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, 111 University Avenue, Nakhon Ratchasima, 30000, Thailand
| | - Areechun Sotthibundhu
- Chulabhorn International College of Medicine, Thammasat University, Rungsit Campus, Rungsit, Patumthani, 12120, Thailand
| | - Phongsakorn Kunhorm
- Laboratory of Cell-Based Assays and Innovations, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, 111 University Avenue, Nakhon Ratchasima, 30000, Thailand
| | - Nipha Chaicharoenaudomrung
- Laboratory of Cell-Based Assays and Innovations, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, 111 University Avenue, Nakhon Ratchasima, 30000, Thailand
| | - Parinya Noisa
- Laboratory of Cell-Based Assays and Innovations, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, 111 University Avenue, Nakhon Ratchasima, 30000, Thailand.
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Leung AW, Li JYH. An adherent-cell depletion technique to generate human neural progenitors and neurons. J Cell Physiol 2019; 234:19933-19941. [PMID: 30972783 DOI: 10.1002/jcp.28591] [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: 03/07/2019] [Accepted: 03/18/2019] [Indexed: 11/06/2022]
Abstract
Existing methodologies to produce human neural stem cells and neurons from embryonic stem cells frequently involve multistep processes and the use of complex and expensive media components, cytokines or small molecules. Here, we report a simple technique to generate human neuroepithelial progenitors and neurons by periodic mechanical dissection and adherent-cell depletion on regular cell-culture grade plastic surfaces. This neural induction technique does not employ growth factors, small molecules or peptide inhibitors, apart from those present in serum-free supplements. Suggestive of their central nervous system origin, we found that neural progenitors formed by this technique expressed radial glia markers, and, when differentiated, expressed TUBB3, RBFOX3 (NeuN) and serotonin, but not markers for peripheral neurons. With these data, we postulate that incorporation of periodic mechanical stimuli and plastic surface-mediated cell selection could improve and streamline existing human neuron production protocols.
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Affiliation(s)
- Alan W Leung
- Department of Genetics and Genome Sciences, University of Connecticut School of Medicine, Farmington, Connecticut
| | - James Y H Li
- Department of Genetics and Genome Sciences, University of Connecticut School of Medicine, Farmington, Connecticut
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Kim E, Hwang SU, Yoon JD, Kim H, Lee G, Hyun SH. Isolation and characterization of GFAP-positive porcine neural stem/progenitor cells derived from a GFAP-CreER T2 transgenic piglet. BMC Vet Res 2018; 14:331. [PMID: 30404643 PMCID: PMC6222979 DOI: 10.1186/s12917-018-1660-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Accepted: 10/22/2018] [Indexed: 01/17/2023] Open
Abstract
Background The porcine brain is gyrencephalic with similar gray and white matter composition and size more comparable to the human rather than the rodent brain; however, there is lack of information about neural progenitor cells derived from this model. Results Here, we isolated GFAP-positive porcine neural stem cells (NSCs) from the brain explant of a transgenic piglet, with expression of CreERT2 under the control of the GFAP promoter (pGFAP-CreERT2). The isolated pGFAP-CreERT2 NSCs showed self-renewal and expression of representative NSC markers such as Nestin and Sox2. Pharmacological inhibition studies revealed that Notch1 signaling is necessary to maintain NSC identity, whereas serum treatment induced cell differentiation into reactive astrocytes and neurons. Conclusions Collectively, these results indicate that GFAP promoter-driven porcine CreERT2 NSCs would be a useful tool to study neurogenesis of the porcine adult central nervous system and furthers our understanding of its potential clinical application in the future. Graphical abstract ᅟ![]() Electronic supplementary material The online version of this article (10.1186/s12917-018-1660-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Eunhye Kim
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, 1 Chungdae-ro, Seowon-gu, Cheongju, 28644, Republic of Korea.,Institute of Stem Cell & Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, 28644, Chungbuk, Republic of Korea
| | - Seon-Ung Hwang
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, 1 Chungdae-ro, Seowon-gu, Cheongju, 28644, Republic of Korea.,Institute of Stem Cell & Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, 28644, Chungbuk, Republic of Korea
| | - Junchul David Yoon
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, 1 Chungdae-ro, Seowon-gu, Cheongju, 28644, Republic of Korea.,Institute of Stem Cell & Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, 28644, Chungbuk, Republic of Korea
| | - Hyunggee Kim
- Department of Biotechnology, School of Life Sciences and Biotechnology, Korea University, 02841, Seoul, Republic of Korea
| | - Gabsang Lee
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Sang-Hwan Hyun
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, 1 Chungdae-ro, Seowon-gu, Cheongju, 28644, Republic of Korea. .,Institute of Stem Cell & Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, 28644, Chungbuk, Republic of Korea.
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Abstract
Ischemic stroke is the second most common cause of death worldwide and a major cause of disability. It takes place when the brain does not receive sufficient blood supply due to the blood clot in the vessels or narrowing of vessels' inner space due to accumulation of fat products. Apart from thrombolysis (dissolving of blood clot) and thrombectomy (surgical removal of blood clot or widening of vessel inner area) during the first hours after an ischemic stroke, no effective treatment to improve functional recovery exists in the post-ischemic phase. Due to their narrow therapeutic time window, thrombolysis and thrombectomy are unavailable to more than 80% of stroke patients.Many experimental studies carried out in animal models of stroke have demonstrated that stem cell transplantation may become a new therapeutic strategy in stroke. Transplantation of stem cells of different origin and stage of development has been shown to lead to improvement in experimental models of stroke through several mechanisms including neuronal replacement, modulation of cellular and synaptic plasticity and inflammation, neuroprotection and stimulation of angiogenesis. Several clinical studies and trials based on stem cell delivery in stroke patients are in progress with goal of improvements of functional recovery through mechanisms other than neuronal replacement. These approaches may provide therapeutic benefit, but generation of specific neurons for reconstruction of stroke-injured neural circuitry remains ultimate challenge. For this purpose, neural stem cells could be developed from multiple sources and fated to adopt required neuronal phenotype.
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Affiliation(s)
- Zaal Kokaia
- Laboratory of Stem Cells and Restorative Neurology, Lund Stem Cell Center, University Hospital, Lund, Sweden.
| | - Vladimer Darsalia
- Department of Clinical Science and Education, Södersjukhuset, Internal Medicine, Karolinska Institutet, Stockholm, Sweden
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Wulansari N, Kim EH, Sulistio YA, Rhee YH, Song JJ, Lee SH. Vitamin C-Induced Epigenetic Modifications in Donor NSCs Establish Midbrain Marker Expressions Critical for Cell-Based Therapy in Parkinson's Disease. Stem Cell Reports 2017; 9:1192-1206. [PMID: 28943252 PMCID: PMC5639382 DOI: 10.1016/j.stemcr.2017.08.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 08/24/2017] [Accepted: 08/24/2017] [Indexed: 11/20/2022] Open
Abstract
Cultured neural stem/precursor cells (NSCs) are regarded as a potential systematic cell source to treat Parkinson's disease (PD). However, the therapeutic potential of these cultured NSCs is lost during culturing. Here, we show that treatment of vitamin C (VC) enhances generation of authentic midbrain-type dopamine (mDA) neurons with improved survival and functions from ventral midbrain (VM)-derived NSCs. VC acted by upregulating a series of mDA neuron-specific developmental and phenotype genes via removal of DNA methylation and repressive histone code (H3K9m3, H3K27m3) at associated gene promoter regions. Notably, the epigenetic changes induced by transient VC treatment were sustained long after VC withdrawal. Accordingly, transplantation of VC-treated NSCs resulted in improved behavioral restoration, along with enriched DA neuron engraftment, which faithfully expressed midbrain-specific markers in PD model rats. These results indicate that VC treatment to donor NSCs could be a simple, efficient, and safe therapeutic strategy for PD in the future. Vitamin C (VC) potentiates therapeutic capacity of donor NSCs to treat PD Long-lasting epigenetic activation of VM-specific genes underlies the VC effects The VC effects enhanced mDA neuron engraftment
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Affiliation(s)
- Noviana Wulansari
- Department of Biochemistry and Molecular Biology, College of Medicine, Hanyang University, 17 Haengdang-dong, Sungdong-gu, Seoul 133-791, Korea; Hanyang Biomedical Research Institute, Hanyang University, Seoul, Korea; Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Korea
| | - Eun-Hee Kim
- Department of Biochemistry and Molecular Biology, College of Medicine, Hanyang University, 17 Haengdang-dong, Sungdong-gu, Seoul 133-791, Korea; Hanyang Biomedical Research Institute, Hanyang University, Seoul, Korea; Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Korea
| | - Yanuar Alan Sulistio
- Department of Biochemistry and Molecular Biology, College of Medicine, Hanyang University, 17 Haengdang-dong, Sungdong-gu, Seoul 133-791, Korea; Hanyang Biomedical Research Institute, Hanyang University, Seoul, Korea; Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Korea
| | - Yong-Hee Rhee
- Department of Biochemistry and Molecular Biology, College of Medicine, Hanyang University, 17 Haengdang-dong, Sungdong-gu, Seoul 133-791, Korea; Hanyang Biomedical Research Institute, Hanyang University, Seoul, Korea; Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Korea
| | - Jae-Jin Song
- Department of Biochemistry and Molecular Biology, College of Medicine, Hanyang University, 17 Haengdang-dong, Sungdong-gu, Seoul 133-791, Korea; Hanyang Biomedical Research Institute, Hanyang University, Seoul, Korea; Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Korea
| | - Sang-Hun Lee
- Department of Biochemistry and Molecular Biology, College of Medicine, Hanyang University, 17 Haengdang-dong, Sungdong-gu, Seoul 133-791, Korea; Hanyang Biomedical Research Institute, Hanyang University, Seoul, Korea; Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Korea.
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Guerrero-Flores G, Bastidas-Ponce A, Collazo-Navarrete O, Guerra-Crespo M, Covarrubias L. Functional determination of the differentiation potential of ventral mesencephalic neural precursor cells during dopaminergic neurogenesis. Dev Biol 2017; 429:56-70. [PMID: 28733161 DOI: 10.1016/j.ydbio.2017.07.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 07/17/2017] [Accepted: 07/17/2017] [Indexed: 11/29/2022]
Abstract
The ventral mesencephalic neural precursor cells (vmNPCs) that give rise to dopaminergic (DA) neurons have been identified by the expression of distinct genes (e.g., Lmx1a, Foxa2, Msx1/2). However, the commitment of these NPCs to the mesencephalic DA neuronal fate has not been functionally determined. Evaluation of the plasticity of vmNPCs suggests that their commitment occurs after E10.5. Here we show that E9.5 vmNPCs implanted in an ectopic area of E10.5 mesencephalic explants, retained their specification marker Lmx1a and efficiently differentiated into neurons but did not express the gene encoding tyrosine hydroxylase (Th), the limiting enzyme for dopamine synthesis. A proportion of E10.5-E11.5 implanted vmNPCs behaved as committed, deriving into Th+ neurons in ectopic sites. Interestingly, implanted cells from E12.5 embryos were unable to give rise to a significant number of Th+ neurons. Concomitantly, differentiation assays in culture and in mesencephalic explants treated with Fgf2+LIF detected vmNPCs with astrogenic potential since E11.5. Despite this, a full suspension of E12.5 vmNPCs give rise to DA neurons in a similar proportion as those of E10.5 when they were transplanted into adult brain, but astrocytes were only detected with the former population. These data suggest that the subventricular postmitotic progenitors present in E12.5 ventral mesencephalon are unable to implant in embryonic explants and are the source of DA neurons in the transplanted adult brain. Based on our findings we propose that during DA differentiation committed vmNPCs emerge at E10.5 and they exhaust their neurogenic capacity with the rise of NPCs with astrogenic potential.
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Affiliation(s)
- Gilda Guerrero-Flores
- Department of Developmental Genetics and Molecular Physiology, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos 62210, Mexico
| | - Aimée Bastidas-Ponce
- Department of Developmental Genetics and Molecular Physiology, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos 62210, Mexico
| | - Omar Collazo-Navarrete
- Department of Molecular Neuropathology, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México 04510, Mexico
| | - Magdalena Guerra-Crespo
- Department of Molecular Neuropathology, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México 04510, Mexico
| | - Luis Covarrubias
- Department of Developmental Genetics and Molecular Physiology, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos 62210, Mexico.
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Englund-Johansson U, Netanyah E, Johansson F. Tailor-Made Electrospun Culture Scaffolds Control Human Neural Progenitor Cell Behavior—Studies on Cellular Migration and Phenotypic Differentiation. ACTA ACUST UNITED AC 2017. [DOI: 10.4236/jbnb.2017.81001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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15
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Rhee YH, Kim TH, Jo AY, Chang MY, Park CH, Kim SM, Song JJ, Oh SM, Yi SH, Kim HH, You BH, Nam JW, Lee SH. LIN28A enhances the therapeutic potential of cultured neural stem cells in a Parkinson’s disease model. Brain 2016; 139:2722-2739. [DOI: 10.1093/brain/aww203] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 06/30/2016] [Indexed: 01/23/2023] Open
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Bokara KK, Kim JH, Kim JY, Lee JE. Transfection of arginine decarboxylase gene increases the neuronal differentiation of neural progenitor cells. Stem Cell Res 2016; 17:256-265. [PMID: 27591482 DOI: 10.1016/j.scr.2016.08.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 07/26/2016] [Accepted: 08/16/2016] [Indexed: 10/21/2022] Open
Abstract
Growing evidence suggests that the clinical use of neural progenitor cells (NPCs) is hampered by heterogeneity, poor neuronal yield and low survival rate. Recently, we reported that retrovirus-delivered human arginine decarboxylase (hADC) genes improve cell survival against oxidative insult in murine NPCs in vitro. This study investigates whether the induced expression of hADC gene in mNPCs induces any significant change in the cell fate commitment. The evaluation of induced hADC gene function was assessed by knockdown of hADC gene using specific siRNA. The hADC gene delivery triggered higher expression of N-CAM, cell adhesion molecule and MAP-2, neuronal marker. However, the hADC gene knockdown showed downregulation of N-CAM and MAP-2 expression suggesting that hADC gene delivery favors cell fate commitment of mNPCs towards neuronal lineage. Neurite outgrowth was significantly longer in the hADC infected cells. The neurotrophic signal, BDNF aided in the neuronal commitment, differentiation, and maturation of hADC-mNPCs through PI3K and ERK1/2 activation. The induction of neuron-like differentiation is believed to be regulated by the expression of GSK-3β and Wnt/β-catenin signaling pathways. Our findings suggest that hADC gene delivery favors cell fate commitment of mNPCs towards neuronal lineage, bring new advances in the field of neurogenesis and cell therapy.
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Affiliation(s)
- Kiran Kumar Bokara
- Department of Anatomy, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; CSIR-Centre for Cellular and Molecular Biology, Medical Biotechnology Complex, ANNEXE II, Uppal Road, Uppal, Hyderabad 500007, India.
| | - Jae Hwan Kim
- Department of Anatomy, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Center for Neuroscience Imaging Research, Institute for Basic Science (IBS), Suwon, 16419, Republic of Korea; Department of Biomedical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea.
| | - Jae Young Kim
- Department of Anatomy, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Brain Research Institute, Yonsei University College of Medicine, Seoul 03722, Republic of Korea.
| | - Jong Eun Lee
- Department of Anatomy, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; BK 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; Brain Research Institute, Yonsei University College of Medicine, Seoul 03722, Republic of Korea.
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17
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Ali SA, Yin N, Rehman A, Justilien V. Parkinson Disease-Mediated Gastrointestinal Disorders and Rational for Combinatorial Therapies. Med Sci (Basel) 2016; 4:medsci4010001. [PMID: 29083365 PMCID: PMC5635767 DOI: 10.3390/medsci4010001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Revised: 12/24/2015] [Accepted: 01/13/2016] [Indexed: 12/29/2022] Open
Abstract
A gradual loss of dopamine-producing nerve cells gives rise to a common neurodegenerative Parkinson’s disease (PD). This disease causes a neurotransmitter imbalance in the brain and initiates a cascade of complications in the rest of the body that appears as distressing symptoms which include gait problems, tremor, gastrointestinal (GI) disorders and cognitive decline. To aid dopamine deficiency, treatment in PD patients includes oral medications, in addition to other methods such as deep brain stimulation and surgical lesioning. Scientists are extensively studying molecular and signaling mechanisms, particularly those involving phenotypic transcription factors and their co-regulatory proteins that are associated with neuronal stem cell (SC) fate determination, maintenance and disease state, and their role in the pathogenesis of PD. Advancement in scientific research and “personalized medicine” to augment current therapeutic intervention and minimize the side effects of chemotherapy may lead to the development of more effective therapeutic strategies in the near future. This review focuses on PD and associated GI complications and summarizes the current therapeutic modalities that include stem cell studies and combinatorial drug treatment.
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Affiliation(s)
- Syed A Ali
- Department of Cancer Biology, Mayo Clinic Cancer Center, Jacksonville, FL 32224, USA.
| | - Ning Yin
- Department of Cancer Biology, Mayo Clinic Cancer Center, Jacksonville, FL 32224, USA.
| | - Arkam Rehman
- Department of Pain Medicine, Baptist Medical Center, Jacksonville, FL 32258, USA.
| | - Verline Justilien
- Department of Cancer Biology, Mayo Clinic Cancer Center, Jacksonville, FL 32224, USA.
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18
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Cell surface heparan sulfate proteoglycans as novel markers of human neural stem cell fate determination. Stem Cell Res 2016; 16:92-104. [DOI: 10.1016/j.scr.2015.12.011] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 11/13/2015] [Accepted: 12/15/2015] [Indexed: 12/22/2022] Open
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Fu MH, Li CL, Lin HL, Chen PC, Calkins MJ, Chang YF, Cheng PH, Yang SH. Stem cell transplantation therapy in Parkinson's disease. SPRINGERPLUS 2015; 4:597. [PMID: 26543732 PMCID: PMC4628010 DOI: 10.1186/s40064-015-1400-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/09/2015] [Accepted: 10/06/2015] [Indexed: 02/06/2023]
Abstract
Ineffective therapeutic treatments and inadequate repair ability in the central nervous system are disturbing problems for several neurological diseases. Fortunately, the development of clinically applicable populations of stem cells has provided an avenue to overcome the failure of endogenous repair systems and substitute new cells into the damaged brain. However, there are still several existing obstacles to translating into clinical application. Here we review the stem-cell based therapies for Parkinson’s disease and discuss the potential advantages and drawbacks. We hope this review may provide suggestions for viable strategies to overcome the current technical and biological issues associated with the application of stem cells in Parkinson’s disease.
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Affiliation(s)
- Mu-Hui Fu
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 70101 Taiwan.,Department of Neurology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 83301 Taiwan
| | - Chia-Ling Li
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 70101 Taiwan
| | - Hsiu-Lien Lin
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 70101 Taiwan.,Division of Breeding and Genetics, Livestock Research Institute, Council of Agriculture, Tainan, 71246 Taiwan
| | - Pei-Chun Chen
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 70101 Taiwan.,Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, 70101 Taiwan
| | - Marcus J Calkins
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, 70101 Taiwan
| | - Yu-Fan Chang
- Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, 70101 Taiwan
| | - Pei-Hsun Cheng
- Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, 70101 Taiwan
| | - Shang-Hsun Yang
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 70101 Taiwan.,Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, 70101 Taiwan
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20
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The protective effect of melatonin on neural stem cell against LPS-induced inflammation. BIOMED RESEARCH INTERNATIONAL 2015; 2015:854359. [PMID: 25705693 PMCID: PMC4331478 DOI: 10.1155/2015/854359] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2014] [Revised: 11/05/2014] [Accepted: 11/13/2014] [Indexed: 12/29/2022]
Abstract
Stem cell therapy for tissue regeneration has several limitations in the fact that transplanted cells could not survive for a long time. For solving these limitations, many studies have focused on the antioxidants to increase survival rate of neural stem cells (NSCs). Melatonin, an antioxidant synthesized in the pineal gland, plays multiple roles in various physiological mechanisms. Melatonin exerts neuroprotective effects in the central nervous system. To determine the effect of melatonin on NSCs which is in LPS-induced inflammatory stress state, we first investigated nitric oxide (NO) production and cytotoxicity using Griess reagent assays, LDH assay, and neurosphere counting. Also, we investigated the effect of melatonin on NSCs by measuring the mRNA levels of SOX2, TLX, and FGFR-2. In addition, western blot analyses were performed to examine the activation of PI3K/Akt/Nrf2 signaling in LPS-treated NSCs. In the present study, we suggested that melatonin inhibits NO production and protects NSCs against LPS-induced inflammatory stress. In addition, melatonin promoted the expression of SOX2 and activated the PI3K/Akt/Nrf2 signaling under LPS-induced inflammation condition. Based on our results, we conclude that melatonin may be an important factor for the survival and proliferation of NSCs in neuroinflammatory diseases.
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21
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García-González D, Murcia-Belmonte V, Esteban PF, Ortega F, Díaz D, Sánchez-Vera I, Lebrón-Galán R, Escobar-Castañondo L, Martínez-Millán L, Weruaga E, García-Verdugo JM, Berninger B, de Castro F. Anosmin-1 over-expression increases adult neurogenesis in the subventricular zone and neuroblast migration to the olfactory bulb. Brain Struct Funct 2014; 221:239-60. [PMID: 25300351 DOI: 10.1007/s00429-014-0904-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 09/23/2014] [Indexed: 12/30/2022]
Abstract
New subventricular zone (SVZ)-derived neuroblasts that migrate via the rostral migratory stream are continuously added to the olfactory bulb (OB) of the adult rodent brain. Anosmin-1 (A1) is an extracellular matrix protein that binds to FGF receptor 1 (FGFR1) to exert its biological effects. When mutated as in Kallmann syndrome patients, A1 is associated with severe OB morphogenesis defects leading to anosmia and hypogonadotropic hypogonadism. Here, we show that A1 over-expression in adult mice strongly increases proliferation in the SVZ, mainly with symmetrical divisions, and produces substantial morphological changes in the normal SVZ architecture, where we also report the presence of FGFR1 in almost all SVZ cells. Interestingly, for the first time we show FGFR1 expression in the basal body of primary cilia in neural progenitor cells. Additionally, we have found that A1 over-expression also enhances neuroblast motility, mainly through FGFR1 activity. Together, these changes lead to a selective increase in several GABAergic interneuron populations in different OB layers. These specific alterations in the OB would be sufficient to disrupt the normal processing of sensory information and consequently alter olfactory memory. In summary, this work shows that FGFR1-mediated A1 activity plays a crucial role in the continuous remodelling of the adult OB.
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Affiliation(s)
- Diego García-González
- Grupo de Neurobiología del Desarrollo-GNDe, Hospital Nacional de Parapléjicos, Toledo, Spain.
- Clinical Neurobiology, German Center for Cancer Research (DKFZ), Heidelberg, Germany.
| | - Verónica Murcia-Belmonte
- Grupo de Neurobiología del Desarrollo-GNDe, Hospital Nacional de Parapléjicos, Toledo, Spain
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Alicante, Spain
| | - Pedro F Esteban
- Grupo de Neurobiología del Desarrollo-GNDe, Hospital Nacional de Parapléjicos, Toledo, Spain
| | - Felipe Ortega
- University Medical Center Johannes Gutenberg, University of Mainz, Mainz, Germany
| | - David Díaz
- Instituto de Neurociencias de Castilla y León-INCyL, Universidad de Salamanca, Salamanca, Spain
| | - Irene Sánchez-Vera
- Laboratorio de Neurobiología Comparada, Instituto Cavanilles, Universidad de Valencia, CIBERNED, Valencia, Spain
- Unidad mixta de Esclerosis múltiple y neurorregeneración, IIS Hospital La Fe, Valencia, Spain
| | - Rafael Lebrón-Galán
- Grupo de Neurobiología del Desarrollo-GNDe, Hospital Nacional de Parapléjicos, Toledo, Spain
| | | | - Luis Martínez-Millán
- Departmento de Neurosciencias, Facultad de Medicina, Universidad del País Vasco, Leioa, Spain
| | - Eduardo Weruaga
- Instituto de Neurociencias de Castilla y León-INCyL, Universidad de Salamanca, Salamanca, Spain
| | - José Manuel García-Verdugo
- Laboratorio de Neurobiología Comparada, Instituto Cavanilles, Universidad de Valencia, CIBERNED, Valencia, Spain
| | - Benedikt Berninger
- University Medical Center Johannes Gutenberg, University of Mainz, Mainz, Germany
| | - Fernando de Castro
- Grupo de Neurobiología del Desarrollo-GNDe, Hospital Nacional de Parapléjicos, Toledo, Spain.
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22
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Crompton LA, Byrne ML, Taylor H, Kerrigan TL, Bru-Mercier G, Badger JL, Barbuti PA, Jo J, Tyler SJ, Allen SJ, Kunath T, Cho K, Caldwell MA. Stepwise, non-adherent differentiation of human pluripotent stem cells to generate basal forebrain cholinergic neurons via hedgehog signaling. Stem Cell Res 2013; 11:1206-21. [PMID: 24013066 DOI: 10.1016/j.scr.2013.08.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2013] [Revised: 07/12/2013] [Accepted: 08/02/2013] [Indexed: 10/26/2022] Open
Abstract
Basal forebrain cholinergic neurons (bfCNs) which provide innervation to the hippocampus and cortex, are required for memory and learning, and are primarily affected in Alzheimer's Disease (AD), resulting in related cognitive decline. Therefore generation of a source of bfCNs from human pluripotent stem cells (hPSCs) is crucial for in vitro disease modeling and development of novel AD therapies. In addition, for the advancement of regenerative approaches there is a requirement for an accurate developmental model to study the neurogenesis and survival of this population. Here we demonstrate the efficient production of bfCNs, using a novel embryoid body (EB) based non-adherent differentiation (NAdD) protocol. We establish a specific basal forebrain neural stem cell (NSC) phenotype via expression of the basal forebrain transcription factors NKX2.1 and LHX8, as well as the general forebrain marker FOXG1. We present evidence that this lineage is achieved via recapitulation of embryonic events, with induction of intrinsic hedgehog signaling, through the use of a 3D non-adherent differentiation system. This is the first example of hPSC-derived basal forebrain-like NSCs, which are scalable via self-renewal in prolonged culture. Furthermore upon terminal differentiation these basal forebrain-like NSCs generate high numbers of cholinergic neurons expressing the specific markers ChAT, VACht and ISL1. These hPSC-derived bfCNs possess characteristics that are crucial in a model to study AD related cholinergic neuronal loss in the basal forebrain. Examples are expression of the therapeutic target p75(NTR), the release of acetylcholine, and demonstration of a mature, and functional electrophysiological profile. In conclusion, this work provides a renewable source of human functional bfCNs applicable for studying AD specifically in the cholinergic system, and also provides a model of the key embryonic events in human bfCN development.
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Affiliation(s)
- Lucy A Crompton
- Henry Wellcome Laboratory for Integrative Neuroscience and Endocrinology, School of Clinical Sciences, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol BS1 3NY, UK
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23
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Peng Y, Huang S, Cheng B, Nie X, Enhe J, Feng C, Fu X. Mesenchymal stem cells: a revolution in therapeutic strategies of age-related diseases. Ageing Res Rev 2013; 12:103-15. [PMID: 22569401 DOI: 10.1016/j.arr.2012.04.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Revised: 04/11/2012] [Accepted: 04/23/2012] [Indexed: 02/06/2023]
Abstract
The great evolutionary biologist Theodosius Dobzhansky once said: "Nothing in biology makes sense except in the light of evolution". Aging is a complex biological phenomenon and the factors governing the process of aging and age-related diseases are only beginning to be understood, oxidative stress, telomere shortening in DNA components and genetic changes were shown to be the mainly regulating mechanisms during the recent decades. Although a considerable amount of both animal and clinical data that demonstrate the extensive and safe use of mesenchymal stromal cells (MSCs) is available, the precise summarization and identification of MSCs in age-related diseases remains a challenge. Along this line, this review discussed several typical age-related diseases for which MSCs have been proved to confer protection and put forward a hypothesis for the association among MSCs and age-related diseases from an evolutionary perspective. Above all, we hope further and more research efforts could be aroused to elucidate the role and mechanisms that MSCs involved in the age-related diseases.
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24
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Hibaoui Y, Feki A. Human pluripotent stem cells: applications and challenges in neurological diseases. Front Physiol 2012; 3:267. [PMID: 22934023 PMCID: PMC3429043 DOI: 10.3389/fphys.2012.00267] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2012] [Accepted: 06/25/2012] [Indexed: 12/16/2022] Open
Abstract
The ability to generate human pluripotent stem cells (hPSCs) holds great promise for the understanding and the treatment of human neurological diseases in modern medicine. The hPSCs are considered for their in vitro use as research tools to provide relevant cellular model for human diseases, drug discovery, and toxicity assays and for their in vivo use in regenerative medicine applications. In this review, we highlight recent progress, promises, and challenges of hPSC applications in human neurological disease modeling and therapies.
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Affiliation(s)
- Youssef Hibaoui
- Stem Cell Research Laboratory, Department of Obstetrics and Gynecology, Geneva University Hospitals Geneva, Switzerland
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25
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Lee YS, Arinzeh TL. The influence of piezoelectric scaffolds on neural differentiation of human neural stem/progenitor cells. Tissue Eng Part A 2012; 18:2063-72. [PMID: 22646285 DOI: 10.1089/ten.tea.2011.0540] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Human neural stem/progenitor cells (hNSCs/NPCs) are a promising cell source for neural tissue engineering because of their ability to differentiate into various neural lineages. In this study, hNSC/NPC differentiation was evaluated on piezoelectric, fibrous scaffolds. These smart materials have an intrinsic material property where transient electric potential can be generated in the material upon minute mechanical deformation. hNSCs/NPCs cultured on the scaffolds and films differentiated into β-III tubulin-positive cells, a neuronal cell marker, with or without the presence of inductive factors. In contrast, hNSCs/NPCs cultured on laminin-coated plates were predominantly nestin positive, a NSC marker, in the control medium. Gene expression results suggest that the scaffolds may have promoted the formation of mature neural cells exhibiting neuron-like characteristics. hNSCs/NPCs differentiated mostly into β-III tubulin-positive cells and had the greatest average neurite length on micron-sized, annealed (more piezoelectric), aligned scaffolds, demonstrating their potential for neural tissue-engineering applications.
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Affiliation(s)
- Yee-Shuan Lee
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, NJ 07102-1982, USA
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26
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Lepski G. What do we know about the neurogenic potential of different stem cell types? ARQUIVOS DE NEURO-PSIQUIATRIA 2012; 70:540-6. [DOI: 10.1590/s0004-282x2012000700013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Accepted: 03/12/2012] [Indexed: 11/22/2022]
Abstract
Cell therapies, based on transplantation of immature cells, are being considered as a promising tool in the treatment of neurological disorders. Many efforts are being concentrated on the development of safe and effective stem cell lines. Nevertheless, the neurogenic potential of some cell lines, i.e., the ability to generate mature neurons either in vitro or in vivo, is largely unknown. Recent evidence indicate that this potential might be distinct among different cell lines, therefore limiting their broad use as replacement cells in the central nervous system. Here, we have reviewed the latest advancements regarding the electrophysiological maturation of stem cells, focusing our attention on fetal-derived-, embryonic-, and induced pluripotent stem cells. In summary, a large body of evidence supports the biological safety, high neurogenic potential, and in some diseases probable clinical efficiency related to fetal-derived cells. By contrast, reliable data regarding embryonic and induced pluripotent stem cells are still missing.
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27
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Feline Neural Progenitor Cells I: Long-Term Expansion under Defined Culture Conditions. Stem Cells Int 2012; 2012:108340. [PMID: 22577394 PMCID: PMC3347782 DOI: 10.1155/2012/108340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2011] [Accepted: 02/03/2012] [Indexed: 11/23/2022] Open
Abstract
Neural progenitor cells (NPCs) of feline origin (cNPCs) have demonstrated utility in transplantation experiments, yet are difficult to grow in culture beyond the 1 month time frame. Here we use an enriched, serum-free base medium (Ultraculture) and report the successful long-term propagation of these cells. Primary cultures were derived from fetal brain tissue and passaged in DMEM/F12-based or Ultraculture-based proliferation media, both in the presence of EGF + bFGF. Cells in standard DMEM/F12-based medium ceased to proliferate by 1-month, whereas the cells in the Ultraculture-based medium continued to grow for at least 5 months (end of study) with no evidence of senescence. The Ultraculture-based cultures expressed lower levels of progenitor and lineage-associated markers under proliferation conditions but retained multipotency as evidenced by the ability to differentiate into neurons and glia following growth factor removal in the presence of FBS. Importantly, later passage cNPCs did not develop chromosomal aberrations.
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Precious SV, Rosser AE. Producing striatal phenotypes for transplantation in Huntington's disease. Exp Biol Med (Maywood) 2012; 237:343-51. [PMID: 22490511 DOI: 10.1258/ebm.2011.011359] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Neural transplantation as a therapeutic strategy in neurodegenerative disorders offers to replace cells lost during the disease process, with the potential to reconstruct dysfunctional circuitry, thus alleviating associated disease symptoms. The focal loss of striatal cells, specifically medium-sized spiny neurons (MSN) in Huntington's disease (HD), makes transplantation a therapeutic option. Here, we review the progress made in generating striatal MSN phenotypes for transplantation in HD. We discuss the use of primary fetal tissue as a donor source in both preclinical and clinical studies and assess the options for renewable cell sources. We evaluate progress in directing the differentiation of renewable cells towards a striatal MSN phenotype for HD.
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Affiliation(s)
- Sophie V Precious
- Brain Repair Group, School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3AX, UK.
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29
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Spitzer N, Sammons GS, Butts HM, Grover LM, Price EM. Multipotent progenitor cells derived from adult peripheral blood of swine have high neurogenic potential in vitro. J Cell Physiol 2011; 226:3156-68. [PMID: 21321934 DOI: 10.1002/jcp.22670] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Peripheral blood-derived multipotent adult progenitor cells (PBD-MAPCs) are a novel population of stem cells, isolated from venous blood of green fluorescent protein transgenic swine, which proliferate as multicellular non-adherent spheroids. Using a simple differentiation protocol, a large proportion of these cells developed one of five distinct neural cell phenotypes, indicating that these primordial cells have high neurogenic potential. Cells exhibiting neural morphologies developed within 48 h of exposure to differentiation conditions, increased in percentage over 2 weeks, and stably maintained the neural phenotype for three additional weeks in the absence of neurogenic signaling molecules. Cells exhibited dynamic neural-like behaviors including extension and retraction of processes with growth cone-like structures rich in filamentous actin, cell migration following a leading process, and various cell-cell interactions. Differentiated cells expressed neural markers, NeuN, β-tubulin III and synaptic proteins, and progenitor cells expressed the stem cell markers nestin and NANOG. Neurally differentiated PBD-MAPCs exhibited voltage-dependent inward and outward currents and expressed voltage-gated sodium and potassium channels, suggestive of neural-like membrane properties. PBD-MAPCs expressed early neural markers and developed neural phenotypes when provided with an extracellular matrix of laminin without the addition of cytokines or growth factors, suggesting that these multipotent cells may be primed for neural differentiation. PBD-MAPCs provide a model for understanding the mechanisms of neural differentiation from non-neural sources of adult stem cells. A similar population of cells, from humans or xenogeneic sources, may offer the potential of an accessible, renewable and non-tumorigenic source of stem cells for treating neural disorders.
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Affiliation(s)
- Nadja Spitzer
- Department of Biological Sciences, Marshall University, Huntington, West Virginia 25755, USA.
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30
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Anderson AJ, Haus DL, Hooshmand MJ, Perez H, Sontag CJ, Cummings BJ. Achieving stable human stem cell engraftment and survival in the CNS: is the future of regenerative medicine immunodeficient? Regen Med 2011; 6:367-406. [PMID: 21548741 DOI: 10.2217/rme.11.22] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
There is potential for a variety of stem cell populations to mediate repair in the diseased or injured CNS; in some cases, this theoretical possibility has already transitioned to clinical safety testing. However, careful consideration of preclinical animal models is essential to provide an appropriate assessment of stem cell safety and efficacy, as well as the basic biological mechanisms of stem cell action. This article examines the lessons learned from early tissue, organ and hematopoietic grafting, the early assumptions of the stem cell and CNS fields with regard to immunoprivilege, and the history of success in stem cell transplantation into the CNS. Finally, we discuss strategies in the selection of animal models to maximize the predictive validity of preclinical safety and efficacy studies.
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Affiliation(s)
- Aileen J Anderson
- Sue & Bill Gross Stem Cell Center, 845 Health Science Road, UC Irvine, Irvine, CA 92697-1705, USA.
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31
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Baghbaderani BA, Behie LA, Mukhida K, Hong M, Mendez I. New bioengineering insights into human neural precursor cell expansion in culture. Biotechnol Prog 2011; 27:776-87. [PMID: 21485037 DOI: 10.1002/btpr.583] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2010] [Revised: 02/22/2011] [Indexed: 01/12/2023]
Abstract
Understanding initial cell growth, interactions associated with the process of expansion of human neural precursor cells (hNPCs), and cellular events pre- and postdifferentiation are important for developing bioprocessing protocols to reproducibly generate multipotent cells that can be used in basic research or the treatment of neurodegenerative disorders. Herein, we report the in vitro responses of telencephalon hNPCs grown in a serum-free growth medium using time-lapse live imaging as well as cell-surface marker, aggregate size, and immunocytochemical analyses. Time-lapse analysis of hNPC initial expansion indicated that cell-surface attachment in stationary culture and the frequency of cell-cell interaction in suspension conditions are important for subsequent aggregate formation and hNPC growth. In the absence of cell-surface attachment in low-attachment stationary culture, large aggregates of cells were formed and expansion was adversely affected. The majority of the telencephalon hNPCs expressed CD29, CD90, and CD44 (cell surface markers involved in cell-ECM and cell-cell interactions to regulate biological functions such as proliferation), suggesting that cell-surface attachment and cell-cell interactions play a significant role in the subsequent formation of cell aggregates and the expansion of hNPCs. Before differentiation, about 90% of the cells stained positive for nestin and expressed two neural precursor cells surface markers (CD133 and CD24). Upon withdrawal of growth cytokines, hNPCs first underwent cell division and then differentiated preferentially towards a neuronal rather than a glial phenotype. This study provides key information regarding human NPC behavior under different culture conditions and favorable culture conditions that are important in establishing reproducible hNPC expansion protocols.
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Affiliation(s)
- Behnam A Baghbaderani
- Pharmaceutical Production Research Facility, Schulich School of Engineering, University of Calgary, Calgary, Alta T2N 1N4
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Delayed functional maturation of human neuronal progenitor cells in vitro. Mol Cell Neurosci 2011; 47:36-44. [PMID: 21362477 DOI: 10.1016/j.mcn.2011.02.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2010] [Revised: 02/19/2011] [Accepted: 02/21/2011] [Indexed: 01/19/2023] Open
Abstract
INTRODUCTION Differentiation of neuronal progenitor cells (NPCs) in vitro into functional neurons is dependent on a complex cascade of molecular signaling pathways, many of which remain unknown. More specifically, in human NPCs the relationship between the expression of typical neuronal marker proteins and functional properties, such as firing action potential and synaptic transmission, is not well understood. In the present report, the immunocytochemical, morphological and electrophysiological changes that human NPCs undergo during neuronal differentiation in vitro were investigated. METHODS Human NPCs were differentiated toward a neuronal phenotype. The time course of the expression of neuronal markers and morphological cell changes was mapped and passive and active electrophysiological membrane properties assessed, throughout the neuronal maturation process. RESULTS The acquisition of neuronal markers preceded functional physiological maturation by several weeks. Cell input resistance decreased in the first 2 weeks as cells became less sensitive to input current, while cell capacitance progressively increased with continued neuronal process growth. Functional maturation was observed only by the fifth/sixth week, preceded by a marked increase in Na+ and K+ currents. In contrast, electrophysiological maturation of rodent precursor cells was observed at the end of the first week in vitro. Functionally, human neuronal cells became capable of firing action potentials and forming active synaptic contacts. Many features of the firing pattern however remained immature. CONCLUSIONS The results showed that human NPCs develop remarkably slowly and retain immature neuronal features for a prolonged period. The importance of Na-dependent activity for proper neuronal maturation is emphasized.
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Abstract
AbstractHuman neurospheres are free-floating spherical clusters generated from a single neural stem cell and comprising cells at different stages of maturation in the neuronal and glial lineages. Although recent findings have disproved the original idea of clonally derived neurospheres according to the paradigm of one stem cell — one neurosphere, they still represent a valid model for growing neural stem cell cultures in vitro. While the immunocytochemical approach to the identification of stem cells, progenitor cells, and mature cells has been extensively used, scant data are available about the ultrastructural arrangement of different cell types within the neurosphere. This paper provides, by means of scanning electron microscopy, some new insights into the three-dimensional assembly of human neurospheres, trying to correlate some parameters such as cell density, shape and growing strategies with the immunolocalization of some antigens such as nestin, GFAP, α-internexin and βIII-tubulin. The major findings from this study are: a) regardless of the stage of in vitro maturation, the growth of the spheres is the result of mitotic divisions producing the aspect of an irregular budding mechanism in the outermost layer look like; b) analysis of the volumetric composition of the inner core has revealed the presence of two alternative shape pattern (pyramidal vs rounded cells) possibly related to both the ongoing maturation stages and GFAP and internexin expression.
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Abstract
Human neural progenitors are increasingly being employed in drug screens and emerging cell therapies targeted towards neurological disorders where neurogenesis is thought to play a key role including developmental disorders, Alzheimer’s disease, and depression. Key to the success of these applications is understanding the mechanisms by which neurons arise. Our understanding of development can provide some guidance but since little is known about the specifics of human neural development and the requirement that cultures be expanded in vitro prior to use, it is unclear whether neural progenitors obey the same developmental mechanisms that exist in vivo. In previous studies we have shown that progenitors derived from fetal cortex can be cultured for many weeks in vitro as undifferentiated neurospheres and then induced to undergo neurogenesis by removing mitogens and exposing them to supportive substrates. Here we use live time lapse imaging and immunocytochemical analysis to show that neural progenitors use developmental mechanisms to generate neurons. Cells with morphologies and marker profiles consistent with radial glia and recently described outer radial glia divide asymmetrically and symmetrically to generate multipolar intermediate progenitors, a portion of which express ASCL1. These multipolar intermediate progenitors subsequently divide symmetrically to produce CTIP2+ neurons. This 3-cell neurogenic scheme echoes observations in rodents in vivo and in human fetal slice cultures in vitro, providing evidence that hNPCs represent a renewable and robust in vitro assay system to explore mechanisms of human neurogenesis without the continual need for fresh primary human fetal tissue. Knowledge provided by this and future explorations of human neural progenitor neurogenesis will help maximize the safety and efficacy of new stem cell therapies by providing an understanding of how to generate physiologically-relevant cell types that maintain their identities when placed in diagnostic or transplantation environments.
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Abstract
The central nervous system has limited capacity of regenerating lost tissue in slowly progressive, degenerative neurological conditions such as Parkinson's disease (PD), Alzheimer's disease or Huntington's disease (HD), or in acute injuries resulting in rapid cell loss for example, in cerebrovascular damage (for example, stroke) or spinal cord injury. Although the adult brain contains small numbers of stem cells in restricted areas, they do not contribute significantly to functional recovery. Transplantation of stem cells or stem cell-derived progenitors has long been seen as a therapeutic solution to repair the damaged brain. With the advent of the induced pluripotent stem cells technique a new and potentially better source for transplantable cells may be available in future. This review aims to highlight current strategies to replace lost cellular populations in neurodegenerative diseases with the focus on HD and PD and traumatic brain injuries such as stroke, discussing many of the technical and biological issues associated with central nervous system cell transplantation.
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Hewitt CA, Ling KH, Merson TD, Simpson KM, Ritchie ME, King SL, Pritchard MA, Smyth GK, Thomas T, Scott HS, Voss AK. Gene network disruptions and neurogenesis defects in the adult Ts1Cje mouse model of Down syndrome. PLoS One 2010; 5:e11561. [PMID: 20661276 PMCID: PMC2905390 DOI: 10.1371/journal.pone.0011561] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2010] [Accepted: 05/31/2010] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Down syndrome (DS) individuals suffer mental retardation with further cognitive decline and early onset Alzheimer's disease. METHODOLOGY/PRINCIPAL FINDINGS To understand how trisomy 21 causes these neurological abnormalities we investigated changes in gene expression networks combined with a systematic cell lineage analysis of adult neurogenesis using the Ts1Cje mouse model of DS. We demonstrated down regulation of a number of key genes involved in proliferation and cell cycle progression including Mcm7, Brca2, Prim1, Cenpo and Aurka in trisomic neurospheres. We found that trisomy did not affect the number of adult neural stem cells but resulted in reduced numbers of neural progenitors and neuroblasts. Analysis of differentiating adult Ts1Cje neural progenitors showed a severe reduction in numbers of neurons produced with a tendency for less elaborate neurites, whilst the numbers of astrocytes was increased. CONCLUSIONS/SIGNIFICANCE We have shown that trisomy affects a number of elements of adult neurogenesis likely to result in a progressive pathogenesis and consequently providing the potential for the development of therapies to slow progression of, or even ameliorate the neuronal deficits suffered by DS individuals.
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Affiliation(s)
- Chelsee A. Hewitt
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
- Department of Pathology, The Peter MacCallum Cancer Centre, Melbourne, Australia
| | - King-Hwa Ling
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
- Department of Molecular Pathology, The Centre for Cancer Biology, The Institute of Medical and Veterinary Science and The Hanson Institute, SA Pathology, and The Adelaide Cancer Research Institute, School of Medicine, University of Adelaide, Adelaide, Australia
- Department of Obstetrics and Gynaecology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia
| | - Tobias D. Merson
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
| | - Ken M. Simpson
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
| | - Matthew E. Ritchie
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
| | - Sarah L. King
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
| | - Melanie A. Pritchard
- Department of Biochemistry and Molecular Biology, Monash University, Victoria, Australia
| | - Gordon K. Smyth
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
| | - Tim Thomas
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
- Department of Medical Biology, University of Melbourne, Melbourne, Australia
| | - Hamish S. Scott
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
- Department of Molecular Pathology, The Centre for Cancer Biology, The Institute of Medical and Veterinary Science and The Hanson Institute, SA Pathology, and The Adelaide Cancer Research Institute, School of Medicine, University of Adelaide, Adelaide, Australia
| | - Anne K. Voss
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
- Department of Medical Biology, University of Melbourne, Melbourne, Australia
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Baghbaderani BA, Mukhida K, Sen A, Kallos MS, Hong M, Mendez I, Behie LA. Bioreactor expansion of human neural precursor cells in serum-free media retains neurogenic potential. Biotechnol Bioeng 2010; 105:823-33. [PMID: 19882735 DOI: 10.1002/bit.22590] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Human neural precursor cells (hNPCs), harvested from somatic tissue and grown in vitro, may serve as a source of cells for cell replacement strategies aimed at treating neurodegenerative disorders such as Parkinson's disease (PD), Huntington's disease (HD), and intractable spinal cord pain. A crucial element in a robust clinical production method for hNPCs is a serum-free growth medium that can support the rapid expansion of cells while retaining their multipotency. Here, we report the development of a cell growth medium (PPRF-h2) for the expansion of hNPCs, achieving an overall cell-fold expansion of 10(13) over a period of 140 days in stationary culture which is significantly greater than other literature results. More importantly, hNPC expansion could be scaled-up from stationary culture to suspension bioreactors using this medium. Serial subculturing of the cells in suspension bioreactors resulted in an overall cell-fold expansion of 7.8 x 10(13) after 140 days. These expanded cells maintained their multipotency including the capacity to generate large numbers of neurons (about 60%). In view of our previous studies regarding successful transplantation of the bioreactor-expanded hNPCs in animal models of neurological disorders, these results have demonstrated that PPRF-h2 (containing dehydroepiandrosterone, basic fibroblast growth factor and human leukemia inhibitory factor) can successfully facilitate the production of large quantities of hNPCs with potential to be used in the treatment of neurodegenerative disorders.
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Affiliation(s)
- Behnam A Baghbaderani
- Pharmaceutical Production Research Facility (PPRF), Schulich School of Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta, Canada
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Brundin P, Barker RA, Parmar M. Neural grafting in Parkinson’s disease. PROGRESS IN BRAIN RESEARCH 2010; 184:265-94. [DOI: 10.1016/s0079-6123(10)84014-2] [Citation(s) in RCA: 102] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Bhattacharyya A, McMillan E, Chen SI, Wallace K, Svendsen CN. A critical period in cortical interneuron neurogenesis in down syndrome revealed by human neural progenitor cells. Dev Neurosci 2009; 31:497-510. [PMID: 19738365 DOI: 10.1159/000236899] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2008] [Accepted: 05/30/2009] [Indexed: 12/11/2022] Open
Abstract
Down syndrome (DS) is a developmental disorder whose mental impairment is due to defective cortical development. Human neural progenitor cells (hNPCs) derived from fetal DS cortex initially produce normal numbers of neurons, but generate fewer neurons with time in culture, similar to the pattern of neurogenesis that occurs in DS in vivo. Microarray analysis of DS hNPCs at this critical time reveals gene changes indicative of defects in interneuron progenitor development. In addition, dysregulated expression of many genes involved in neural progenitor cell biology points to changes in the progenitor population and subsequent reduction in interneuron neurogenesis. Delineation of a critical period in interneuron development in DS provides a foundation for investigation of the basis of reduced neurogenesis in DS and defines a time when these progenitor cells may be amenable to therapeutic treatment.
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Affiliation(s)
- Anita Bhattacharyya
- Stem Cell Research Group, The Waisman Center, University of Wisconsin, Madison, Wisc. 53705, USA.
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Maciaczyk J, Singec I, Maciaczyk D, Klein A, Nikkhah G. Restricted Spontaneous In Vitro Differentiation and Region-Specific Migration of Long-Term Expanded Fetal Human Neural Precursor Cells After Transplantation Into the Adult Rat Brain. Stem Cells Dev 2009; 18:1043-58. [DOI: 10.1089/scd.2008.0346] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Affiliation(s)
- Jaroslaw Maciaczyk
- Laboratory of Molecular Neurosurgery, Department of Stereotactic and Functional Neurosurgery, Neurocenter, University of Freiburg, Freiburg, Germany
- Department of General Neurosurgery, Neurocenter, University of Freiburg, Freiburg, Germany
| | - Ilyas Singec
- Burnham Institute for Medical Research, Stem Cell and Regeneration Program, La Jolla, California
| | - Donata Maciaczyk
- Laboratory of Molecular Neurosurgery, Department of Stereotactic and Functional Neurosurgery, Neurocenter, University of Freiburg, Freiburg, Germany
| | - Alexander Klein
- The Brain Research Group, School of Biosciences, University of Cardiff, Cardiff, United Kingdom
| | - Guido Nikkhah
- Laboratory of Molecular Neurosurgery, Department of Stereotactic and Functional Neurosurgery, Neurocenter, University of Freiburg, Freiburg, Germany
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Differentiation and migration of neural crest stem cells are stimulated by pancreatic islets. Neuroreport 2009; 20:833-8. [PMID: 19421078 DOI: 10.1097/wnr.0b013e32832b8e20] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Neural crest stem cells (NCSCs) migrate during embryonic development towards the endoderm-derived pancreas and the interaction between NCSCs and beta-cell progenitors is crucial for their mutual differentiation. In diabetes, loss of beta-cells or impaired beta-cell function is accompanied by nerve degeneration, which contributes to the progression of the disease. Here we show that adult pancreatic islets markedly promote differentiation of NCSCs towards neuronal phenotype in vitro and in vivo after transplantation and increase their migration towards islets. These findings indicate that pancreatic islets can be used to promote differentiation of NCSCs towards neuronal phenotype and that this in-vitro system may help elucidate interactions between NCSCs and healthy or diseased beta-cells.
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Wakeman DR, Hofmann MR, Redmond DE, Teng YD, Snyder EY. Long-term multilayer adherent network (MAN) expansion, maintenance, and characterization, chemical and genetic manipulation, and transplantation of human fetal forebrain neural stem cells. ACTA ACUST UNITED AC 2009; Chapter 2:Unit2D.3. [PMID: 19455542 DOI: 10.1002/9780470151808.sc02d03s9] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Human neural stem/precursor cells (hNSC/hNPC) have been targeted for application in a variety of research models and as prospective candidates for cell-based therapeutic modalities in central nervous system (CNS) disorders. To this end, the successful derivation, expansion, and sustained maintenance of undifferentiated hNSC/hNPC in vitro, as artificial expandable neurogenic micro-niches, promises a diversity of applications as well as future potential for a variety of experimental paradigms modeling early human neurogenesis, neuronal migration, and neurogenetic disorders, and could also serve as a platform for small-molecule drug screening in the CNS. Furthermore, hNPC transplants provide an alternative substrate for cellular regeneration and restoration of damaged tissue in neurodegenerative disorders such as Parkinson's disease and Alzheimer's disease. Human somatic neural stem/progenitor cells (NSC/NPC) have been derived from a variety of cadaveric sources and proven engraftable in a cytoarchitecturally appropriate manner into the developing and adult rodent and monkey brain while maintaining both functional and migratory capabilities in pathological models of disease. In the following unit, we describe a new procedure that we have successfully employed to maintain operationally defined human somatic NSC/NPC from developing fetal, pre-term post-natal, and adult cadaveric forebrain. Specifically, we outline the detailed methodology for in vitro expansion, long-term maintenance, manipulation, and transplantation of these multipotent precursors.
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Affiliation(s)
- Dustin R Wakeman
- University of California at San Diego, La Jolla, California, USA
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Ogawa D, Okada Y, Nakamura M, Kanemura Y, Okano HJ, Matsuzaki Y, Shimazaki T, Ito M, Ikeda E, Tamiya T, Nagao S, Okano H. Evaluation of human fetal neural stem/progenitor cells as a source for cell replacement therapy for neurological disorders: Properties and tumorigenicity after long-term in vitro maintenance. J Neurosci Res 2009; 87:307-17. [DOI: 10.1002/jnr.21843] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Abstract
The lack of disease-modifying treatments currently available for not just some but most neurodegenerative diseases, including Parkinson's disease, Huntington's disease, and even stroke, helps explain increasing interest in cell-based therapies. One key aim of such treatment is to replace neurons or glia lost as a result of the disease, with a view to the cells integrating functionally within the host tissue in order to reconstruct neural circuitry. Clinical trials using primary human fetal tissue as a cell source commenced in Parkinson's disease (PD) in the 1980s; currently, comparable neural transplantation trials in Huntington's disease are underway. Disappointing results of later controlled trials in PD illustrated not least the vital importance of methodological issues relating to the structure and implementation of clinical trials, and these issues will be considered here in more depth.
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Maciaczyk J, Singec I, Maciaczyk D, Nikkhah G. Combined use of BDNF, ascorbic acid, low oxygen, and prolonged differentiation time generates tyrosine hydroxylase-expressing neurons after long-term in vitro expansion of human fetal midbrain precursor cells. Exp Neurol 2008; 213:354-62. [DOI: 10.1016/j.expneurol.2008.06.014] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2008] [Revised: 06/11/2008] [Accepted: 06/17/2008] [Indexed: 02/05/2023]
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Abstract
PURPOSE OF REVIEW To review recent developments in the application of stem cells for transplantation therapies in neurodegenerative diseases. RECENT FINDINGS Stem cell transplantation has the potential to improve function by replacing cells lost to the disease and reconstructing elements of neural circuitry or by providing support for host cells (e.g. by secretion of trophic factors). Other mechanisms, such as modulation of the immune system by bone marrow stem cell transplantation, pertinent to conditions such as multiple sclerosis, are emerging as therapies but will not be discussed here. There have been substantial advances in our understanding of stem cell biology and some recent important advances in controlling their differentiated phenotype. Using stem cells to provide trophic support places less stringent requirements on the cells and this is the area in which many of the first clinical studies are taking place. SUMMARY There are real prospects of stem cell technology having a place in clinical management of neurodegenerative conditions, but directing the differentiation of stem cells towards the appropriate neural phenotype remains a challenge. This is a relatively new and rapidly evolving area, and caution should be applied when advising patients.
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Zietlow R, Lane EL, Dunnett SB, Rosser AE. Human stem cells for CNS repair. Cell Tissue Res 2007; 331:301-22. [PMID: 17901985 DOI: 10.1007/s00441-007-0488-1] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2007] [Accepted: 07/25/2007] [Indexed: 12/31/2022]
Abstract
Although most peripheral tissues have at least a limited ability for self-repair, the central nervous system (CNS) has long been known to be relatively resistant to regeneration. Small numbers of stem cells have been found in the adult brain but do not appear to be able to affect any significant recovery following disease or insult. In the last few decades, the idea of being able to repair the brain by introducing new cells to repair damaged areas has become an accepted potential treatment for neurodegenerative diseases. This review focuses on the suitability of various human stem cell sources for such treatments of both slowly progressing conditions, such as Parkinson's disease, Huntington's disease and multiple sclerosis, and acute insult, such as stroke and spinal cord injury. Despite stem cell transplantation having now moved a step closer to the clinic with the first trials of autologous mesenchymal stem cells, the effects shown are moderate and are not yet at the stage of development that can fulfil the hopes that have been placed on stem cells as a means to replace degenerating cells in the CNS. Success will depend on careful investigation in experimental models to enable us to understand not just the practicalities of stem cell use, but also the underlying biological principles.
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Affiliation(s)
- Rike Zietlow
- Brain Repair Group, School of Biosciences, Cardiff University, Cardiff, CF10 3US, UK.
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