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Song L, Pan Q, Zhou G, Liu S, Zhu B, Lin P, Hu X, Zha J, Long Y, Luo B, Chen J, Tang Y, Tang J, Xiang X, Xie X, Deng X, Chen G. SHMT2 Mediates Small-Molecule-Induced Alleviation of Alzheimer Pathology Via the 5'UTR-dependent ADAM10 Translation Initiation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305260. [PMID: 38183387 PMCID: PMC10953581 DOI: 10.1002/advs.202305260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 11/27/2023] [Indexed: 01/08/2024]
Abstract
It is long been suggested that one-carbon metabolism (OCM) is associated with Alzheimer's disease (AD), whereas the potential mechanisms remain poorly understood. Taking advantage of chemical biology, that mitochondrial serine hydroxymethyltransferase (SHMT2) directly regulated the translation of ADAM metallopeptidase domain 10 (ADAM10), a therapeutic target for AD is reported. That the small-molecule kenpaullone (KEN) promoted ADAM10 translation via the 5' untranslated region (5'UTR) and improved cognitive functions in APP/PS1 mice is found. SHMT2, which is identified as a target gene of KEN and the 5'UTR-interacting RNA binding protein (RBP), mediated KEN-induced ADAM10 translation in vitro and in vivo. SHMT2 controls AD signaling pathways through binding to a large number of RNAs and enhances the 5'UTR activity of ADAM10 by direct interaction with GAGGG motif, whereas this motif affected ribosomal scanning of eukaryotic initiation factor 2 (eIF2) in the 5'UTR. Together, KEN exhibits therapeutic potential for AD by linking OCM with RNA processing, in which the metabolic enzyme SHMT2 "moonlighted" as RBP by binding to GAGGG motif and promoting the 5'UTR-dependent ADAM10 translation initiation.
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Affiliation(s)
- Li Song
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
| | - Qiu‐Ling Pan
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
| | - Gui‐Feng Zhou
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
| | - Sheng‐Wei Liu
- Department of PharmacyYongchuan Hospital of Chongqing Medical UniversityChongqing402160China
| | - Bing‐Lin Zhu
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
| | - Pei‐Jia Lin
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
| | - Xiao‐Tong Hu
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
- Department of Health ManagementDaping HospitalArmy Medical universityChongqing400042China
| | - Jing‐Si Zha
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
- Department of Internal MedicineThe Southwest University HospitalChongqing400715China
| | - Yan Long
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
- Department of Geriatric MedicineDaping HospitalArmy Medical universityChongqing400042China
| | - Biao Luo
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
| | - Jian Chen
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
| | - Ying Tang
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
- Department of NeurologyWest China HospitalSichuan UniversityChengdu610041China
| | - Jing Tang
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
| | - Xiao‐Jiao Xiang
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
- Department of Nuclear MedicineThe Second Affiliated Hospital of Chongqing Medical UniversityChongqing400010China
| | - Xiao‐Yong Xie
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
| | - Xiao‐Juan Deng
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
| | - Guo‐Jun Chen
- Department of NeurologyChongqing Key Laboratory of Major Neurological and Mental DisordersThe First Affiliated Hospital of Chongqing Medical UniversityChongqing400016China
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Li H, Zhang H, Chen L, Shen Y, Cao Y, Li X, Yao J. Indirubin alleviates retinal neurodegeneration through the regulation of PI3K/AKT signaling. J Biomed Res 2024; 38:256-268. [PMID: 38387889 PMCID: PMC11144936 DOI: 10.7555/jbr.37.20230078] [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: 03/31/2023] [Revised: 05/30/2023] [Accepted: 06/01/2023] [Indexed: 02/24/2024] Open
Abstract
Retinal neurodegenerative disease is a leading cause of blindness among the elderly in developed countries, including glaucoma, diabetic retinopathy, traumatic optic neuropathy and optic neuritis, etc. The current clinical treatment is not very effective. We investigated indirubin, one of the main bioactive components of the traditional Chinese medicine Danggui Longhui Pill, in the present study for its role in retinal neurodegeneration. Indirubin exhibited no detectable tissue toxicity in vivo or cytotoxicity in vitro. Moreover, indirubin improved visual function and ameliorated retinal neurodegeneration in mice after optic nerve crush injury in vivo. Furthermore, indirubin reduced the apoptosis of retinal ganglion cells induced by oxidative stress in vitro. In addition, indirubin significantly suppressed the increased production of intracellular reactive oxygen species and the decreased activity of superoxide dismutase induced by oxidative stress. Mechanically, indirubin played a neuroprotective role by regulating the PI3K/AKT/BAD/BCL-2 signaling. In conclusion, indirubin protected retinal ganglion cells from oxidative damage and alleviated retinal neurodegeneration induced by optic nerve crush injury. The present study provides a potential therapeutic medicine for retinal neurodegenerative diseases.
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Affiliation(s)
- Huan Li
- Department of Ophthalmology, the Affiliated Eye Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Department of Ophthalmology, the Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Huiying Zhang
- Department of Ophthalmology, the Affiliated Eye Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Department of Ophthalmology, the Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Lushu Chen
- Department of Ophthalmology, the Affiliated Eye Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Department of Ophthalmology, the Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Yaming Shen
- Department of Ophthalmology, the Affiliated Eye Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Department of Ophthalmology, the Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Yuan Cao
- Department of Ophthalmology, the Affiliated Eye Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Department of Ophthalmology, the Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Xiumiao Li
- Department of Ophthalmology, the Affiliated Eye Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Department of Ophthalmology, the Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Jin Yao
- Department of Ophthalmology, the Affiliated Eye Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Department of Ophthalmology, the Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
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Moon H, Kim B, Kwon I, Oh Y. Challenges involved in cell therapy for Parkinson's disease using human pluripotent stem cells. Front Cell Dev Biol 2023; 11:1288168. [PMID: 37886394 PMCID: PMC10598731 DOI: 10.3389/fcell.2023.1288168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023] Open
Abstract
Neurons derived from human pluripotent stem cells (hPSCs) provide a valuable tool for studying human neural development and neurodegenerative diseases. The investigation of hPSC-based cell therapy, involving the differentiation of hPSCs into target cells and their transplantation into affected regions, is of particular interest. One neurodegenerative disease that is being extensively studied for hPSC-based cell therapy is Parkinson's disease (PD), the second most common among humans. Various research groups are focused on differentiating hPSCs into ventral midbrain dopaminergic (vmDA) progenitors, which have the potential to further differentiate into neurons closely resembling DA neurons found in the substantia nigra pars compacta (SNpc) after transplantation, providing a promising treatment option for PD. In vivo experiments, where hPSC-derived vmDA progenitor cells were transplanted into the striatum or SNpc of animal PD models, the transplanted cells demonstrated stable engraftment and resulted in behavioral recovery in the transplanted animals. Several differentiation protocols have been developed for this specific cell therapy. However, the lack of a reliable live-cell lineage identification method presents a significant obstacle in confirming the precise lineage of the differentiated cells intended for transplantation, as well as identifying potential contamination by non-vmDA progenitors. This deficiency increases the risk of adverse effects such as dyskinesias and tumorigenicity, highlighting the importance of addressing this issue before proceeding with transplantation. Ensuring the differentiation of hPSCs into the target cell lineage is a crucial step to guarantee precise therapeutic effects in cell therapy. To underscore the significance of lineage identification, this review focuses on the differentiation protocols of hPSC-derived vmDA progenitors developed by various research groups for PD treatment. Moreover, in vivo experimental results following transplantation were carefully analyzed. The encouraging outcomes from these experiments demonstrate the potential efficacy and safety of hPSC-derived vmDA progenitors for PD cell therapy. Additionally, the results of clinical trials involving the use of hPSC-derived vmDA progenitors for PD treatment were briefly reviewed, shedding light on the progress and challenges faced in translating this promising therapy into clinical practice.
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Affiliation(s)
- Heechang Moon
- Department of Biomedical Science, Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Republic of Korea
| | - Bokwang Kim
- Department of Biomedical Science, Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Republic of Korea
| | - Inbeom Kwon
- Department of Medicine, College of Medicine, Hanyang University, Seoul, Republic of Korea
| | - Yohan Oh
- Department of Biomedical Science, Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, Republic of Korea
- Department of Biochemistry and Molecular Biology, College of Medicine, Hanyang University, Seoul, Republic of Korea
- Hanyang Institute of Bioscience and Biotechnology, Hanyang University, Seoul, Republic of Korea
- Hanyang Institute of Advanced BioConvergence, Hanyang University, Seoul, Republic of Korea
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Ramakrishna K, Nalla LV, Naresh D, Venkateswarlu K, Viswanadh MK, Nalluri BN, Chakravarthy G, Duguluri S, Singh P, Rai SN, Kumar A, Singh V, Singh SK. WNT-β Catenin Signaling as a Potential Therapeutic Target for Neurodegenerative Diseases: Current Status and Future Perspective. Diseases 2023; 11:89. [PMID: 37489441 PMCID: PMC10366863 DOI: 10.3390/diseases11030089] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/20/2023] [Accepted: 06/23/2023] [Indexed: 07/26/2023] Open
Abstract
Wnt/β-catenin (WβC) signaling pathway is an important signaling pathway for the maintenance of cellular homeostasis from the embryonic developmental stages to adulthood. The canonical pathway of WβC signaling is essential for neurogenesis, cell proliferation, and neurogenesis, whereas the noncanonical pathway (WNT/Ca2+ and WNT/PCP) is responsible for cell polarity, calcium maintenance, and cell migration. Abnormal regulation of WβC signaling is involved in the pathogenesis of several neurodegenerative diseases such as Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), amyotrophic lateral sclerosis (ALS), multiple sclerosis (MS), and spinal muscular atrophy (SMA). Hence, the alteration of WβC signaling is considered a potential therapeutic target for the treatment of neurodegenerative disease. In the present review, we have used the bibliographical information from PubMed, Google Scholar, and Scopus to address the current prospects of WβC signaling role in the abovementioned neurodegenerative diseases.
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Affiliation(s)
- Kakarla Ramakrishna
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation Deemed to be University (KLU), Green Fields, Vaddeswaram, Guntur 522502, India
| | - Lakshmi Vineela Nalla
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation Deemed to be University (KLU), Green Fields, Vaddeswaram, Guntur 522502, India
| | - Dumala Naresh
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation Deemed to be University (KLU), Green Fields, Vaddeswaram, Guntur 522502, India
| | - Kojja Venkateswarlu
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, IIT BHU, Varanasi 221005, India
| | - Matte Kasi Viswanadh
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation Deemed to be University (KLU), Green Fields, Vaddeswaram, Guntur 522502, India
| | - Buchi N Nalluri
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation Deemed to be University (KLU), Green Fields, Vaddeswaram, Guntur 522502, India
| | - Guntupalli Chakravarthy
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation Deemed to be University (KLU), Green Fields, Vaddeswaram, Guntur 522502, India
| | - Sajusha Duguluri
- Department of Biotechnology, Bharathi Institute of Higher Education and Research, Chennai 600073, India
| | - Payal Singh
- Department of Zoology, Mahila Maha Vidyalaya, Banaras Hindu University, Varanasi 221005, India
| | - Sachchida Nand Rai
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
| | - Ashish Kumar
- ICMR-Rajendra Memorial Research Institute of Medical Sciences, Agamkuan, Patna 800007, India
| | - Veer Singh
- ICMR-Rajendra Memorial Research Institute of Medical Sciences, Agamkuan, Patna 800007, India
| | - Santosh Kumar Singh
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
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Hemedan AA, Schneider R, Ostaszewski M. Applications of Boolean modeling to study the dynamics of a complex disease and therapeutics responses. FRONTIERS IN BIOINFORMATICS 2023; 3:1189723. [PMID: 37325771 PMCID: PMC10267406 DOI: 10.3389/fbinf.2023.1189723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 05/18/2023] [Indexed: 06/17/2023] Open
Abstract
Computational modeling has emerged as a critical tool in investigating the complex molecular processes involved in biological systems and diseases. In this study, we apply Boolean modeling to uncover the molecular mechanisms underlying Parkinson's disease (PD), one of the most prevalent neurodegenerative disorders. Our approach is based on the PD-map, a comprehensive molecular interaction diagram that captures the key mechanisms involved in the initiation and progression of PD. Using Boolean modeling, we aim to gain a deeper understanding of the disease dynamics, identify potential drug targets, and simulate the response to treatments. Our analysis demonstrates the effectiveness of this approach in uncovering the intricacies of PD. Our results confirm existing knowledge about the disease and provide valuable insights into the underlying mechanisms, ultimately suggesting potential targets for therapeutic intervention. Moreover, our approach allows us to parametrize the models based on omics data for further disease stratification. Our study highlights the value of computational modeling in advancing our understanding of complex biological systems and diseases, emphasizing the importance of continued research in this field. Furthermore, our findings have potential implications for the development of novel therapies for PD, which is a pressing public health concern. Overall, this study represents a significant step forward in the application of computational modeling to the investigation of neurodegenerative diseases, and underscores the power of interdisciplinary approaches in tackling challenging biomedical problems.
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6
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Gamit N, Dharmarajan A, Sethi G, Warrier S. Want of Wnt in Parkinson's disease: Could sFRP disrupt interplay between Nurr1 and Wnt signaling? Biochem Pharmacol 2023; 212:115566. [PMID: 37088155 DOI: 10.1016/j.bcp.2023.115566] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 04/25/2023]
Abstract
Nuclear receptor related 1 (Nurr1) is a transcription factor known to regulate the development and maintenance of midbrain dopaminergic (mDA) neurons. Reports have confirmed that defect or obliteration of Nurr1 results in neurodegeneration and motor function impairment leading to Parkinson's disease (PD). Studies have also indicated that Nurr1 regulates the expression of alpha-synuclein (α-SYN) and mutations in Nurr1 cause α-SYN overexpression, thereby increasing the risk of PD. Nurr1 is modulated via various pathways including Wnt signaling pathway which is known to play an important role in neurogenesis and deregulation of it contributes to PD pathogenesis. Both Wnt/β-catenin dependent and independent pathways are implicated in the activation of Nurr1 and subsequent downregulation of α-SYN. This review highlights the interaction between Nurr1 and Wnt signaling pathways in mDA neuronal development. We further hypothesize how modulation of Wnt signaling pathway by its antagonist, secreted frizzled related proteins (sFRPs) could be a potential route to treat PD.
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Affiliation(s)
- Naisarg Gamit
- Division of Cancer Stem Cells and Cardiovascular Regeneration, Manipal Institute of Regenerative Medicine, Manipal Academy of Higher Education (MAHE), Bangalore 560 065, India
| | - Arun Dharmarajan
- Department of Biomedical Sciences, Faculty of Biomedical Sciences, Technology and Research, Sri Ramachandra Institute of Higher Education and Research, Chennai 600 116, India; School of Pharmacy and Biomedical Sciences, Curtin Medical School, Curtin University, Perth, Western Australia 6102, Australia; Curtin Health and Innovation Research Institute, Curtin University, Perth, Western Australia 6102, Australia; School of Human Sciences, Faculty of Life and Physical Sciences, The University of Western Australia, Perth, Western Australia 6009, Australia
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore 117 600, Singapore
| | - Sudha Warrier
- Division of Cancer Stem Cells and Cardiovascular Regeneration, Manipal Institute of Regenerative Medicine, Manipal Academy of Higher Education (MAHE), Bangalore 560 065, India; Cuor Stem Cellutions Pvt Ltd, Manipal Institute of Regenerative Medicine, Manipal Academy of Higher Education (MAHE), Bangalore 560 065, India.
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Salahi S, Mousavi MA, Azizi G, Hossein-Khannazer N, Vosough M. Stem Cell-based and Advanced Therapeutic Modalities for Parkinson's Disease: A Risk-effectiveness Patient-centered Analysis. Curr Neuropharmacol 2022; 20:2320-2345. [PMID: 35105291 PMCID: PMC9890289 DOI: 10.2174/1570159x20666220201100238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 01/14/2022] [Accepted: 01/26/2022] [Indexed: 12/29/2022] Open
Abstract
Treatment of Parkinson's disease (PD), the second most prevalent neurodegenerative disorder, is currently considered a challenging issue since it causes substantial disability, poor quality of life, and mortality. Despite remarkable progress in advanced conventional therapeutic interventions, the global burden of the disease has nearly doubled, prompting us to assess the riskeffectiveness of different treatment modalities. Each protocol could be considered as the best alternative treatment depending on the patient's situation. Prescription of levodopa, the most effective available medicine for this disorder, has been associated with many complications, i.e., multiple episodes of "off-time" and treatment resistance. Other medications, which are typically used in combination with levodopa, may have several adverse effects as well. As a result, the therapies that are more in line with human physiology and make the least interference with other pathways are worth investigating. On the other hand, remaining and persistent symptoms after therapy and the lack of effective response to the conventional approaches have raised expectations towards innovative alternative approaches, such as stem cell-based therapy. It is critical to not overlook the unexplored side effects of innovative approaches due to the limited number of research. In this review, we aimed to compare the efficacy and risk of advanced therapies with innovative cell-based and stemcell- based modalities in PD patients. This paper recapitulated the underlying factors/conditions, which could lead us to more practical and established therapeutic outcomes with more advantages and few complications. It could be an initial step to reconsider the therapeutic blueprint for patients with Parkinson's disease.
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Affiliation(s)
- Sarvenaz Salahi
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Maryam Alsadat Mousavi
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Gholamreza Azizi
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Nikoo Hossein-Khannazer
- Gastroenterology and Liver Diseases Research Center, Research, Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
- Experimental Cancer Medicine, Institution for Laboratory Medicine, Karolinska Institute, Stockholm, Sweden
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Sahebdel F, Parvaneh Tafreshi A, Arefian E, Roussa E, Nadri S, Zeynali B. A Wnt/β-catenin signaling pathway is involved in early dopaminergic differentiation of trabecular meshwork-derived mesenchymal stem cells. J Cell Biochem 2022; 123:1120-1129. [PMID: 35533251 DOI: 10.1002/jcb.30269] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 01/08/2023]
Abstract
Permanent degeneration and loss of dopaminergic (DA) neurons in substantia nigra is the main cause of Parkinson's disease. Considering the therapeutic application of stem cells in neurodegeneration, we sought to examine the neurogenic differentiation potential of the newly introduced neural crest originated mesenchymal stem cells (MSCs), namely, trabecular meshwork-derived mesenchymal stem cells (TM-MSCs) compared to two other sources of MSCs, adipose tissue-derived stem cells (ADSCs) and bone marrow-derived mesenchymal stem cells (BM-MSCs). The three types of cells were therefore cultured in the presence and absence of a neural induction medium followed by the analysis of their differentiation potentials. Our results showed that TM-MSCs exhibited enhanced neural morphologies as well as higher expressions of MAP2 as the general neuron marker and Nurr-1 as an early DA marker compared to the adipose tissue-derived mesenchymal stem cells (AD-MSCs) and bone marrow-derived stem cells (BMSCs). Also, analysis of Nurr-1 immunostaining showed more intense Nurr-1 stained nuclei in the neurally induced TM-MSCs compared to those in the AD-MSCs, BMSCs, and noninduced control TM-MSCs. To examine if Wnt/beta-catenin pathway drives TM-MSCs towards a DA fate, we treated them with the Wnt agonist (CHIR, 3 μM) and the Wnt antagonist (IWP-2, 3 μM). Our results showed that the expressions of Nurr-1 and MAP2, as well as the Wnt/beta-catenin target genes, c-Myc and Cyclin D1, were significantly increased in the CHIR-treated TM-MSCs, but significantly reduced in those treated with IWP-2. Altogether, we declare first a higher neural potency of TM-MSCs compared to the more commonly used MSCs, BMSCs and ADSCs, and second that Wnt/beta-catenin activation directs the neurally induced TM-MSCs towards a DA fate.
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Affiliation(s)
- Faezeh Sahebdel
- Developmental Biology Laboratory, Department of Animal Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Azita Parvaneh Tafreshi
- Developmental Biology Laboratory, Department of Animal Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran.,Department of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Ehsan Arefian
- Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Eleni Roussa
- Department of Molecular Embryology, Faculty of Medicine, Institute of Anatomy and Cell Biology, Albert Ludwigs University Freiburg, Freiburg, Germany
| | - Samad Nadri
- Department of Medical Nanotechnology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Bahman Zeynali
- Developmental Biology Laboratory, Department of Animal Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran
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Ahmadzadeh-Darinsoo M, Ahmadzadeh-Darinsoo M, Abbasi S, Arefian E, Bernard C, Tafreshi AP. Altered expression of miR-29a-3p and miR-34a-5p by specific inhibition of GSK3β in the MPP+ treated SH-SY5Y Parkinson's model. Noncoding RNA Res 2022; 7:1-6. [PMID: 35087989 PMCID: PMC8777260 DOI: 10.1016/j.ncrna.2021.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 12/15/2021] [Accepted: 12/29/2021] [Indexed: 11/26/2022] Open
Abstract
In the current study, the effects of 7-BIO as a specific GSK3β inhibitor was examined on cell survival and expression of miR-29a-3p and miR-34a-5p in neurotoxin MPP+ treated SH-SY5Y cells. Our findings revealed that while co-treatment of the cells with 7-BIO and MPP+ did not alter the toxicity induced by MPP+, pretreatment with 3.5 μM 7-BIO for 6 h increased the survival of the 2 mM MPP+ treated cells. Also, qRT-PCR analysis of gene expression showed that while miR-29a-3p was unchanged in cells treated with either 2 mM MPP+ or 3.5 μM 7-BIO alone, miR-34a-5p was increased by MPP+ but decreased by 7-BIO. Pretreatment with 3.5 μM 7-BIO prior to MPP+ however, increased miR-29a-3p but decreased miR-34a-5p induced by MPP+. We therefore suggest that 7-BIO inhibition of GSK3β alleviates the MPP+ induced neurotoxicity by regulating miR-29a-3p and miR-34a-5p expressions in Parkinson's disease model SH-SY5Y cells.
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Jha NK, Chen WC, Kumar S, Dubey R, Tsai LW, Kar R, Jha SK, Gupta PK, Sharma A, Gundamaraju R, Pant K, Mani S, Singh SK, Maccioni RB, Datta T, Singh SK, Gupta G, Prasher P, Dua K, Dey A, Sharma C, Mughal YH, Ruokolainen J, Kesari KK, Ojha S. Molecular mechanisms of developmental pathways in neurological disorders: a pharmacological and therapeutic review. Open Biol 2022; 12:210289. [PMID: 35291879 PMCID: PMC8924757 DOI: 10.1098/rsob.210289] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Developmental signalling pathways such as Wnt/β-catenin, Notch and Sonic hedgehog play a central role in nearly all the stages of neuronal development. The term 'embryonic' might appear to be a misnomer to several people because these pathways are functional during the early stages of embryonic development and adulthood, albeit to a certain degree. Therefore, any aberration in these pathways or their associated components may contribute towards a detrimental outcome in the form of neurological disorders such as Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis and stroke. In the last decade, researchers have extensively studied these pathways to decipher disease-related interactions, which can be used as therapeutic targets to improve outcomes in patients with neurological abnormalities. However, a lot remains to be understood in this domain. Nevertheless, there is strong evidence supporting the fact that embryonic signalling is indeed a crucial mechanism as is manifested by its role in driving memory loss, motor impairments and many other processes after brain trauma. In this review, we explore the key roles of three embryonic pathways in modulating a range of homeostatic processes such as maintaining blood-brain barrier integrity, mitochondrial dynamics and neuroinflammation. In addition, we extensively investigated the effect of these pathways in driving the pathophysiology of a range of disorders such as Alzheimer's, Parkinson's and diabetic neuropathy. The concluding section of the review is dedicated to neurotherapeutics, wherein we identify and list a range of biological molecules and compounds that have shown enormous potential in improving prognosis in patients with these disorders.
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Affiliation(s)
- Niraj Kumar Jha
- Department of Biotechnology, School of Engineering and Technology (SET), Sharda University, Greater Noida, Uttar Pradesh 201310, India
| | - Wei-Chih Chen
- Division of General Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei 11031, Taiwan
| | - Sanjay Kumar
- Department of Life Science, School of Basic Science and Research, Sharda University, Greater Noida, Uttar Pradesh 201310, India
| | - Rajni Dubey
- Department of Medicine Research, Taipei Medical University Hospital, Taipei 11031, Taiwan
| | - Lung-Wen Tsai
- Department of Medicine Research, Taipei Medical University Hospital, Taipei 11031, Taiwan,Department of Information Technology Office, Taipei Medical University Hospital, Taipei 11031, Taiwan,Graduate Institute of Data Science, College of Management, Taipei Medical University, Taipei 110, Taiwan
| | - Rohan Kar
- Indian Institute of Management Ahmedabad (IIMA), Gujarat 380015, India
| | - Saurabh Kumar Jha
- Department of Biotechnology, School of Engineering and Technology (SET), Sharda University, Greater Noida, Uttar Pradesh 201310, India
| | - Piyush Kumar Gupta
- Department of Life Science, School of Basic Science and Research, Sharda University, Greater Noida, Uttar Pradesh 201310, India
| | - Ankur Sharma
- Department of Life Science, School of Basic Science and Research, Sharda University, Greater Noida, Uttar Pradesh 201310, India
| | - Rohit Gundamaraju
- ER Stress and Mucosal Immunology Laboratory, School of Health Sciences, University of Tasmania, Launceston, Tasmania 7248, Australia
| | - Kumud Pant
- Department of Biotechnology, Graphic Era deemed to be University Dehradun Uttarakhand, 248002 Dehradun, India
| | - Shalini Mani
- Department of Biotechnology, Jaypee Institute of Information Technology, A-10, Sector 62, Noida, Uttar Pradesh 201301, India
| | - Sandeep Kumar Singh
- Indian Scientific Education and Technology Foundation, Lucknow 226002, India
| | - Ricardo B. Maccioni
- Laboratory of Neurosciences and Functional Medicine, International Center for Biomedicine (ICC) and Faculty of Sciences, University of Chile, Santiago de Chile, Chile
| | - Tirtharaj Datta
- Department of Biotechnology, School of Engineering and Technology (SET), Sharda University, Greater Noida, Uttar Pradesh 201310, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Gaurav Gupta
- Department of Pharmacology, School of Pharmacy, Suresh Gyan Vihar University, Mahal Road, 302017 Jagatpura, Jaipur, India
| | - Parteek Prasher
- Department of Chemistry, University of Petroleum and Energy Studies, Dehradun 248007, Uttarakhand, India
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, India,Department of Applied Physics, School of Science, and
| | - Charu Sharma
- Department of Internal Medicine, College of Medicine and Health Sciences, United Arab Emirates University, PO Box 15551, Al Ain, United Arab Emirates
| | - Yasir Hayat Mughal
- Department of Health Administration, College of Public Health and Health Informatics, Qassim University, Buraidah, Saudi Arabia
| | | | - Kavindra Kumar Kesari
- Department of Applied Physics, School of Science, and,Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Espoo 00076, Finland
| | - Shreesh Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, PO Box 15551, Al Ain, United Arab Emirates
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11
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Gianferrara T, Cescon E, Grieco I, Spalluto G, Federico S. Glycogen Synthase Kinase 3β Involvement in Neuroinflammation and Neurodegenerative Diseases. Curr Med Chem 2022; 29:4631-4697. [PMID: 35170406 DOI: 10.2174/0929867329666220216113517] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 11/24/2021] [Accepted: 12/19/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND GSK-3β activity has been strictly related to neuroinflammation and neurodegeneration. Alzheimer's disease is the most studied neurodegenerative disease, but GSK-3β seems to be involved in almost all neurodegenerative diseases including Parkinson's disease, amyotrophic lateral sclerosis, frontotemporal dementia, Huntington's disease and the autoimmune disease multiple sclerosis. OBJECTIVE The aim of this review is to help researchers both working on this research topic or not to have a comprehensive overview on GSK-3β in the context of neuroinflammation and neurodegeneration. METHOD Literature has been searched using PubMed and SciFinder databases by inserting specific keywords. A total of more than 500 articles have been discussed. RESULTS First of all, the structure and regulation of the kinase were briefly discussed and then, specific GSK-3β implications in neuroinflammation and neurodegenerative diseases were illustrated also with the help of figures, to conclude with a comprehensive overview on the most important GSK-3β and multitarget inhibitors. For all discussed compounds, the structure and IC50 values at the target kinase have been reported. CONCLUSION GSK-3β is involved in several signaling pathways both in neurons as well as in glial cells and immune cells. The fine regulation and interconnection of all these pathways are at the base of the rationale use of GSK-3β inhibitors in neuroinflammation and neurodegeneration. In fact, some compounds are now under clinical trials. Despite this, pharmacodynamic and ADME/Tox profiles of the compounds were often not fully characterized and this is deleterious in such a complex system.
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Affiliation(s)
- Teresa Gianferrara
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
| | - Eleonora Cescon
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
| | - Ilenia Grieco
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
| | - Giampiero Spalluto
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
| | - Stephanie Federico
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
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12
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Zeng X, Qin H. Stem Cell Transplantation for Parkinson’s Disease: Current Challenges and Perspectives. Aging Dis 2022; 13:1652-1663. [DOI: 10.14336/ad.2022.0312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 03/12/2022] [Indexed: 11/19/2022] Open
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13
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Havins L, Capel A, Christie SD, Lewis MP, Roach P. Gradient biomimetic platforms for neurogenesis studies. J Neural Eng 2021; 19. [PMID: 34942614 DOI: 10.1088/1741-2552/ac4639] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 12/23/2021] [Indexed: 01/09/2023]
Abstract
There is a need for the development of new cellular therapies for the treatment of many diseases, with the central nervous system (CNS) currently an area of specific focus. Due to the complexity and delicacy of its biology, there is currently a limited understanding of neurogenesis and consequently a lack of reliable test platforms, resulting in several CNS based diseases having no cure. The ability to differentiate pluripotent stem cells into specific neuronal sub-types may enable scalable manufacture for clinical therapies, with a focus also on the purity and quality of the cell population. This focus is targeted towards an urgent need for the diseases that currently have no cure, e.g. Parkinson's disease. Differentiation studies carried out using traditional 2D cell culture techniques are designed using biological signals and morphogens known to be important for neurogenesis in vivo. However, such studies are limited by their simplistic nature, including a general poor efficiency and reproducibility, high reagent costs and an inability to scale-up the process to a manufacture-wide design for clinical use. Biomimetic approaches to recapitulate a more in vivo-like environment are progressing rapidly within this field, with application of bio(chemical) gradients presented both as 2D surfaces and within a 3D volume. This review focusses on the development and application of these advanced extracellular environments particularly for the neural niche. We emphasise the progress that has been made specifically in the area of stem cell derived neuronal differentiation. Increasing developments in biomaterial approaches to manufacture stem cells will enable the improvement of differentiation protocols, enhancing the efficiency and repeatability of the process with a move towards up-scaling. Progress in this area brings these techniques closer to enabling the development of therapies for the clinic.
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Affiliation(s)
- Laurissa Havins
- Department of Chemistry, Loughborough University, Dept Chemistry, School of Science, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Andrew Capel
- Loughborough University, 2National Centre for Sport and Exercise Medicine (NCSEM), School of Sport, Exercise and Health Sciences, Loughborough, LE11 3TU, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Steven D Christie
- Department of Chemistry, Loughborough University, Dept Chemistry, School of Science, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Mark P Lewis
- Loughborough University School of Sport Exercise and Health Sciences, National Centre for Sport and Exercise Medicine (NCSEM), School of Sport, Exercise and Health Sciences, Loughborough, LE11 3TU, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
| | - Paul Roach
- Chemistry, Loughborough University, Dept Chemistry, School of Science, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
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14
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Nandakumar S, Shahani P, Datta I, Pal R. Interventional Strategies for Parkinson Disease: Can Neural Precursor Cells Forge a Path Ahead? ACS Chem Neurosci 2021; 12:3785-3794. [PMID: 34628850 DOI: 10.1021/acschemneuro.1c00525] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Neural precursor cells (NPCs), derived from pluripotent stem cells (PSCs), with their unique ability to generate multiple neuronal and glial cell types are extremely useful for understanding biological mechanisms in normal and diseased states. However, generation of specific neuronal subtypes (mature) from NPCs in large numbers adequate for cell therapy is challenging due to lack of a thorough understanding of the cues that govern their differentiation. Interestingly, neural stem cells (NSCs) themselves are in consideration for therapy given their potency to form different neural cell types, release of trophic factors, and immunomodulatory effects that confer neuroprotection. With the recent COVID-19 outbreak and its accompanying neurological indications, the immunomodulatory role of NSCs may gain additional significance in the prevention of disease progression in vulnerable populations. In this regard, small-molecule mediated NPC generation from PSCs via NSC formation has become an important strategy that ensures consistency and robustness of the process. The development of the mammalian brain occurs along the rostro-caudal axis, and the establishment of anterior identity is an early event. Wnt signaling, along with fibroblast growth factor and retinoic acid, acts as a caudalization signal. Further, the increasing amount of epigenetic data available from human fetal brain development has enhanced both our understanding of and ability to experimentally manipulate these developmental regulatory programs in vitro. However, the impact on homing and engraftment after transplantation and subsequently on therapeutic efficacy of NPCs based on their derivation strategy is not yet clear. Another formidable challenge in cell replacement therapy for neurodegenerative disorders is the mode of delivery. In this Perspective, we discuss these core ideas with insights from our preliminary studies exploring the role of PSC-derived NPCs in rat models of MPTP-induced Parkinson's disease following intranasal injections.
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Affiliation(s)
- Swapna Nandakumar
- Eyestem Research, Centre for Cellular and Molecular Platforms (C-CAMP), Bengaluru 560065, Karnataka, India
| | - Pradnya Shahani
- Department of Biophysics, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru 560029, Karnataka, India
| | - Indrani Datta
- Department of Biophysics, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru 560029, Karnataka, India
| | - Rajarshi Pal
- Eyestem Research, Centre for Cellular and Molecular Platforms (C-CAMP), Bengaluru 560065, Karnataka, India
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15
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Marchetti B. Nrf2/Wnt resilience orchestrates rejuvenation of glia-neuron dialogue in Parkinson's disease. Redox Biol 2020; 36:101664. [PMID: 32863224 PMCID: PMC7395594 DOI: 10.1016/j.redox.2020.101664] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/15/2020] [Accepted: 07/27/2020] [Indexed: 12/11/2022] Open
Abstract
Oxidative stress and inflammation have long been recognized to contribute to Parkinson's disease (PD), a common movement disorder characterized by the selective loss of midbrain dopaminergic neurons (mDAn) of the substantia nigra pars compacta (SNpc). The causes and mechanisms still remain elusive, but a complex interplay between several genes and a number of interconnected environmental factors, are chiefly involved in mDAn demise, as they intersect the key cellular functions affected in PD, such as the inflammatory response, mitochondrial, lysosomal, proteosomal and autophagic functions. Nuclear factor erythroid 2 -like 2 (NFE2L2/Nrf2), the master regulator of cellular defense against oxidative stress and inflammation, and Wingless (Wnt)/β-catenin signaling cascade, a vital pathway for mDAn neurogenesis and neuroprotection, emerge as critical intertwinned actors in mDAn physiopathology, as a decline of an Nrf2/Wnt/β-catenin prosurvival axis with age underlying PD mutations and a variety of noxious environmental exposures drive PD neurodegeneration. Unexpectedly, astrocytes, the so-called "star-shaped" cells, harbouring an arsenal of "beneficial" and "harmful" molecules represent the turning point in the physiopathological and therapeutical scenario of PD. Fascinatingly, "astrocyte's fil rouge" brings back to Nrf2/Wnt resilience, as boosting the Nrf2/Wnt resilience program rejuvenates astrocytes, in turn (i) mitigating nigrostriatal degeneration of aged mice, (ii) reactivating neural stem progenitor cell proliferation and neuron differentiation in the brain and (iii) promoting a beneficial immunomodulation via bidirectional communication with mDAns. Then, through resilience of Nrf2/Wnt/β-catenin anti-ageing, prosurvival and proregenerative molecular programs, it seems possible to boost the inherent endogenous self-repair mechanisms. Here, the cellular and molecular aspects as well as the therapeutical options for rejuvenating glia-neuron dialogue will be discussed together with major glial-derived mechanisms and therapies that will be fundamental to the identification of novel diagnostic tools and treatments for neurodegenerative diseases (NDs), to fight ageing and nigrostriatal DAergic degeneration and promote functional recovery.
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Affiliation(s)
- Bianca Marchetti
- Department of Biomedical and Biotechnological Sciences (BIOMETEC), Pharmacology Section, Medical School, University of Catania, Via S. Sofia 65, 95125, Catania, Italy; Oasi Research Institute-IRCCS, Neuropharmacology Section, Via Conte Ruggero 73, 94018, Troina, EN, Italy.
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16
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Enterría-Morales D, Del Rey NLG, Blesa J, López-López I, Gallet S, Prévot V, López-Barneo J, d'Anglemont de Tassigny X. Molecular targets for endogenous glial cell line-derived neurotrophic factor modulation in striatal parvalbumin interneurons. Brain Commun 2020; 2:fcaa105. [PMID: 32954345 PMCID: PMC7472905 DOI: 10.1093/braincomms/fcaa105] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 06/05/2020] [Accepted: 06/23/2020] [Indexed: 12/20/2022] Open
Abstract
Administration of recombinant glial cell line-derived neurotrophic factor into the putamen has been tested in preclinical and clinical studies to evaluate its neuroprotective effects on the progressive dopaminergic neuronal degeneration that characterizes Parkinson’s disease. However, intracerebral glial cell line-derived neurotrophic factor infusion is a challenging therapeutic strategy, with numerous potential technical and medical limitations. Most of these limitations could be avoided if the production of endogenous glial cell line-derived neurotrophic factor could be increased. Glial cell line-derived neurotrophic factor is naturally produced in the striatum from where it exerts a trophic action on the nigrostriatal dopaminergic pathway. Most of striatal glial cell line-derived neurotrophic factor is synthesized by a subset of GABAergic interneurons characterized by the expression of parvalbumin. We sought to identify molecular targets specific to those neurons and which are putatively associated with glial cell line-derived neurotrophic factor synthesis. To this end, the transcriptomic differences between glial cell line-derived neurotrophic factor-positive parvalbumin neurons in the striatum and parvalbumin neurons located in the nearby cortex, which do not express glial cell line-derived neurotrophic factor, were analysed. Using mouse reporter models, we have defined the genomic signature of striatal parvalbumin interneurons obtained by fluorescence-activated cell sorting followed by microarray comparison. Short-listed genes were validated by additional histological and molecular analyses. These genes code for membrane receptors (Kit, Gpr83, Tacr1, Tacr3, Mc3r), cytosolic proteins (Pde3a, Crabp1, Rarres2, Moxd1) and a transcription factor (Lhx8). We also found the proto-oncogene cKit to be highly specific of parvalbumin interneurons in the non-human primate striatum, thus highlighting a conserved expression between species and suggesting that specific genes identified in mouse parvalbumin neurons could be putative targets in the human brain. Pharmacological stimulation of four G-protein-coupled receptors enriched in the striatal parvalbumin interneurons inhibited Gdnf expression presumably by decreasing cyclic adenosine monophosphate formation. Additional experiments with pharmacological modulators of adenylyl cyclase and protein kinase A indicated that this pathway is a relevant intracellular route to induce Gdnf gene activation. This preclinical study is an important step in the ongoing development of a specific pro-endo-glial cell line-derived neurotrophic factor pharmacological strategy to treat Parkinson’s disease.
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Affiliation(s)
- Daniel Enterría-Morales
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío, CSIC, Universidad de Sevilla, Seville, Spain.,Departamento de Fisiología Médica y Biofísica, Facultad de Medicina, Universidad de Sevilla, Seville, Spain
| | | | - Javier Blesa
- HM CINAC, Hospital Universitario HM Puerta del Sur, Móstoles, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Ivette López-López
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío, CSIC, Universidad de Sevilla, Seville, Spain
| | - Sarah Gallet
- Univ. Lille, Inserm, CHU Lille, Lille Neuroscience & Cognition, Laboratory of Development and Plasticity of the Neuroendocrine Brain, UMR-S 1172, Lille, France
| | - Vincent Prévot
- Univ. Lille, Inserm, CHU Lille, Lille Neuroscience & Cognition, Laboratory of Development and Plasticity of the Neuroendocrine Brain, UMR-S 1172, Lille, France
| | - José López-Barneo
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío, CSIC, Universidad de Sevilla, Seville, Spain.,Departamento de Fisiología Médica y Biofísica, Facultad de Medicina, Universidad de Sevilla, Seville, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Xavier d'Anglemont de Tassigny
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío, CSIC, Universidad de Sevilla, Seville, Spain.,Departamento de Fisiología Médica y Biofísica, Facultad de Medicina, Universidad de Sevilla, Seville, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
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17
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LncRNA H19 diminishes dopaminergic neuron loss by mediating microRNA-301b-3p in Parkinson's disease via the HPRT1-mediated Wnt/β-catenin signaling pathway. Aging (Albany NY) 2020; 12:8820-8836. [PMID: 32434961 PMCID: PMC7288916 DOI: 10.18632/aging.102877] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 02/04/2020] [Indexed: 01/07/2023]
Abstract
Long non-coding RNAs (lncRNA) and microRNAs (miRNAs) are a subject of active investigation in neurodegenerative disorders including Parkinson's disease (PD). We hypothesized a regulatory role of lncRNA H19 with involvement of hypoxanthine phosphoribosyltransferase 1 (HPRT1) in dopaminergic neuron loss in PD model mice obtained by 6-hydroxydopamine (6-OHDA) lesions. We predicted the differentially expressed genes and related mechanisms by microarray analysis. We measured the expression of tyrosine hydroxylase (TH) and proneural genes in the substantia nigra of lesioned mice before and after treatment with lentiviral oe-HPRT1, agomir-miR-301b-3p and inhibition of the Wnt/β-catenin pathway. We also evaluated the relationship among lncRNA H19, HPRT1 and miR-301b-3p as well as the Wnt/β-catenin signaling pathway in these mice. The obtained results predicted and further confirmed a low level of HPRT1 in lesioned mice. We found low expression of lncRNA H19 and showed that its forced overexpression regulated HPRT1 by binding to miR-301b-3p. The overexpression of HPRT1 increased TH expression and inhibited dopaminergic neuron loss via activating the Wnt/β-catenin pathway, as reflected by increased expressions of Nurr-1, Pitx-3, Ngn-2 and NeuroD1. Thus, overexpressed lncRNA H19 protects against dopaminergic neuron loss in this PD model through activating the Wnt/β-catenin pathway via impairing miR-301b-3p-targeted inhibition of HPRT1 expression.
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18
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Marchetti B, Tirolo C, L'Episcopo F, Caniglia S, Testa N, Smith JA, Pluchino S, Serapide MF. Parkinson's disease, aging and adult neurogenesis: Wnt/β-catenin signalling as the key to unlock the mystery of endogenous brain repair. Aging Cell 2020; 19:e13101. [PMID: 32050297 PMCID: PMC7059166 DOI: 10.1111/acel.13101] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 11/27/2019] [Accepted: 12/25/2019] [Indexed: 12/14/2022] Open
Abstract
A common hallmark of age-dependent neurodegenerative diseases is an impairment of adult neurogenesis. Wingless-type mouse mammary tumor virus integration site (Wnt)/β-catenin (WβC) signalling is a vital pathway for dopaminergic (DAergic) neurogenesis and an essential signalling system during embryonic development and aging, the most critical risk factor for Parkinson's disease (PD). To date, there is no known cause or cure for PD. Here we focus on the potential to reawaken the impaired neurogenic niches to rejuvenate and repair the aged PD brain. Specifically, we highlight WβC-signalling in the plasticity of the subventricular zone (SVZ), the largest germinal region in the mature brain innervated by nigrostriatal DAergic terminals, and the mesencephalic aqueduct-periventricular region (Aq-PVR) Wnt-sensitive niche, which is in proximity to the SNpc and harbors neural stem progenitor cells (NSCs) with DAergic potential. The hallmark of the WβC pathway is the cytosolic accumulation of β-catenin, which enters the nucleus and associates with T cell factor/lymphoid enhancer binding factor (TCF/LEF) transcription factors, leading to the transcription of Wnt target genes. Here, we underscore the dynamic interplay between DAergic innervation and astroglial-derived factors regulating WβC-dependent transcription of key genes orchestrating NSC proliferation, survival, migration and differentiation. Aging, inflammation and oxidative stress synergize with neurotoxin exposure in "turning off" the WβC neurogenic switch via down-regulation of the nuclear factor erythroid-2-related factor 2/Wnt-regulated signalosome, a key player in the maintenance of antioxidant self-defense mechanisms and NSC homeostasis. Harnessing WβC-signalling in the aged PD brain can thus restore neurogenesis, rejuvenate the microenvironment, and promote neurorescue and regeneration.
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Affiliation(s)
- Bianca Marchetti
- Department of Biomedical and Biotechnological Sciences (BIOMETEC)Pharmacology and Physiology SectionsMedical SchoolUniversity of CataniaCataniaItaly
- Neuropharmacology SectionOASI Research Institute‐IRCCSTroinaItaly
| | - Cataldo Tirolo
- Neuropharmacology SectionOASI Research Institute‐IRCCSTroinaItaly
| | | | | | - Nunzio Testa
- Neuropharmacology SectionOASI Research Institute‐IRCCSTroinaItaly
| | - Jayden A. Smith
- Department of Clinical Neurosciences and NIHR Biomedical Research CentreUniversity of CambridgeCambridgeUK
| | - Stefano Pluchino
- Department of Clinical Neurosciences and NIHR Biomedical Research CentreUniversity of CambridgeCambridgeUK
| | - Maria F. Serapide
- Department of Biomedical and Biotechnological Sciences (BIOMETEC)Pharmacology and Physiology SectionsMedical SchoolUniversity of CataniaCataniaItaly
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19
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Fan Y, Winanto, Ng SY. Replacing what's lost: a new era of stem cell therapy for Parkinson's disease. Transl Neurodegener 2020; 9:2. [PMID: 31911835 PMCID: PMC6945567 DOI: 10.1186/s40035-019-0180-x] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 11/26/2019] [Indexed: 12/31/2022] Open
Abstract
Background Stem cells hold tremendous promise for regenerative medicine because they can be expanded infinitely, giving rise to large numbers of differentiated cells required for transplantation. Stem cells can be derived from fetal sources, embryonic origins (embryonic stem cells or ESCs) or reprogrammed from adult cell types (induced pluripotent stem cells or iPSCs). One unique property of stem cells is their ability to be directed towards specific cell types of clinical interest, and can mature into functional cell types in vivo. While transplantations of fetal or ESC-derived tissues are known to illicit a host immunogenic response, autologous transplantations using cell types derived from one’s own iPSCs eliminate risks of tissue rejection and reduce the need for immunosuppressants. However, even with these benefits, cell therapy comes with significant hurdles that researchers are starting to overcome. In this review, we will discuss the various steps to ensure safety, efficacy and clinical practicality of cell replacement therapy in neurodegenerative diseases, in particular, Parkinson’s disease. Main body Parkinson’s disease (PD) results from a loss of dopaminergic neurons from the substantia nigra and is an ideal target for cell replacement therapy. Early trials using fetal midbrain material in the late 1980s have resulted in long term benefit for some patients, but there were multiple shortcomings including the non-standardization and quality control of the transplanted fetal material, and graft-induced dyskinesia that some patients experience as a result. On the other hand, pluripotent stem cells such as ESCs and iPSCs serve as an attractive source of cells because they can be indefinitely cultured and is an unlimited source of cells. Stem cell technologies and our understanding of the developmental potential of ESCs and iPSCs have deepened in recent years and a clinical trial for iPSC-derived dopaminergic cells is currently undergoing for PD patients in Japan. In this focused review, we will first provide a historical aspect of cell therapies in PD, and then discuss the various challenges pertaining to the safety and efficacy of stem cell-based cell transplantations, and how these hurdles were eventually overcome. Conclusion With the maturity of the iPSC technology, cell transplantation appears to be a safe and effective therapy. Grafts in non-human primates survive and remain functional for more than 2 years after transplantation, with no signs of tumorigenesis, indicating safety and efficacy of the treatment. However, immunosuppressants are still required because of the lack of “universal stem cells” that would not evoke an immune response. The results of ongoing and upcoming trials by a global consortium known as GForce-PD would be highly anticipated because the success of these trials would open up possibilities for using cell therapy for the treatment of PD and other degenerative diseases.
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Affiliation(s)
- Yong Fan
- 1The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150 China
| | - Winanto
- 2Institute of Molecular and Cell Biology, ASTAR Research Entities, Singapore, 138673 Singapore
| | - Shi-Yan Ng
- 1The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150 China.,2Institute of Molecular and Cell Biology, ASTAR Research Entities, Singapore, 138673 Singapore.,3Yong Loo Lin School of Medicine (Physiology), National University of Singapore, Singapore, 117456 Singapore.,4National Neuroscience Institute, Singapore, 308433 Singapore
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Brodski C, Blaess S, Partanen J, Prakash N. Crosstalk of Intercellular Signaling Pathways in the Generation of Midbrain Dopaminergic Neurons In Vivo and from Stem Cells. J Dev Biol 2019; 7:jdb7010003. [PMID: 30650592 PMCID: PMC6473842 DOI: 10.3390/jdb7010003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 01/07/2019] [Accepted: 01/09/2019] [Indexed: 12/25/2022] Open
Abstract
Dopamine-synthesizing neurons located in the mammalian ventral midbrain are at the center stage of biomedical research due to their involvement in severe human neuropsychiatric and neurodegenerative disorders, most prominently Parkinson’s Disease (PD). The induction of midbrain dopaminergic (mDA) neurons depends on two important signaling centers of the mammalian embryo: the ventral midline or floor plate (FP) of the neural tube, and the isthmic organizer (IsO) at the mid-/hindbrain boundary (MHB). Cells located within and close to the FP secrete sonic hedgehog (SHH), and members of the wingless-type MMTV integration site family (WNT1/5A), as well as bone morphogenetic protein (BMP) family. The IsO cells secrete WNT1 and the fibroblast growth factor 8 (FGF8). Accordingly, the FGF8, SHH, WNT, and BMP signaling pathways play crucial roles during the development of the mDA neurons in the mammalian embryo. Moreover, these morphogens are essential for the generation of stem cell-derived mDA neurons, which are critical for the modeling, drug screening, and cell replacement therapy of PD. This review summarizes our current knowledge about the functions and crosstalk of these signaling pathways in mammalian mDA neuron development in vivo and their applications in stem cell-based paradigms for the efficient derivation of these neurons in vitro.
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Affiliation(s)
- Claude Brodski
- Department of Physiology and Cell Biology, Zlotowski Center for Neuroscience, Faculty of Health Sciences, Ben-Gurion University of the Negev, Be'er Sheva 84105, Israel.
| | - Sandra Blaess
- Institute of Reconstructive Neurobiology, University of Bonn Medical Center, 53127 Bonn, Germany.
| | - Juha Partanen
- Faculty of Biological and Environmental Sciences, FIN00014-University of Helsinki, P.O. Box 56, Viikinkaari 9, FIN-00014 Helsinki, Finland.
| | - Nilima Prakash
- Department Hamm 2, Hamm-Lippstadt University of Applied Sciences, 59063 Hamm, Germany.
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21
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Singh S, Mishra A, Mohanbhai SJ, Tiwari V, Chaturvedi RK, Khurana S, Shukla S. Axin-2 knockdown promote mitochondrial biogenesis and dopaminergic neurogenesis by regulating Wnt/β-catenin signaling in rat model of Parkinson's disease. Free Radic Biol Med 2018; 129:73-87. [PMID: 30176346 DOI: 10.1016/j.freeradbiomed.2018.08.033] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 08/23/2018] [Accepted: 08/27/2018] [Indexed: 12/24/2022]
Abstract
Wnts and the components of Wnt/β-catenin signaling are widely expressed in midbrain and required to control the fate specification of dopaminergic (DAergic) neurons, a neuronal population that specifically degenerate in Parkinson's disease (PD). Accumulating evidence suggest that mitochondrial dysfunction plays a key role in pathogenesis of PD. Axin-2, a negative regulator of Wnt/β-catenin signaling affects mitochondrial biogenesis and death/birth of new DAergic neurons is not fully explored. We investigated the functional role of Axin-2/Wnt/β-catenin signaling in mitochondrial biogenesis and DAergic neurogenesis in 6-hydroxydopamine (6-OHDA) induced rat model of PD-like phenotypes. We demonstrate that single unilateral injection of 6-OHDA into the medial forebrain bundle (MFB) potentially dysregulates Wnt/β-catenin signaling in substantia nigra pars compacta (SNpc). We used shRNA lentiviruses to genetically knockdown Axin-2 to up-regulate Wnt/β-catenin signaling in SNpc in parkinsonian rats. Genetic knockdown of Axin-2 up-regulates Wnt/β-catenin signaling by destabilizing the β-catenin degradation complex in SNpc in parkinsonian rats. Axin-2 shRNA mediated activation of Wnt/β-catenin signaling improved behavioural functions and protected the nigral DAergic neurons by increasing mitochondrial functionality in parkinsonian rats. Axin-2 shRNA treatment reduced apoptotic signaling, autophagy and ROS generation and improved mitochondrial membrane potential which promotes mitochondrial biogenesis in SNpc in parkinsonian rats. Interestingly, Axin-2 shRNA-mediated up-regulation of Wnt/β-catenin signaling enhanced net DAergic neurogenesis by regulating proneural genes (Nurr-1, Pitx-3, Ngn-2, and NeuroD1) and mitochondrial biogenesis in SNpc in parkinsonian rats. Therefore, our data suggest that pharmacological/genetic manipulation of Wnt signaling that enhances the endogenous regenerative capacity of DAergic neurons may have implication for regenerative approaches in PD.
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MESH Headings
- Adaptor Proteins, Signal Transducing/antagonists & inhibitors
- Adaptor Proteins, Signal Transducing/genetics
- Adaptor Proteins, Signal Transducing/metabolism
- Animals
- Basic Helix-Loop-Helix Transcription Factors/genetics
- Basic Helix-Loop-Helix Transcription Factors/metabolism
- Carrier Proteins/antagonists & inhibitors
- Carrier Proteins/genetics
- Carrier Proteins/metabolism
- Dopaminergic Neurons/drug effects
- Dopaminergic Neurons/metabolism
- Dopaminergic Neurons/pathology
- Gene Expression Regulation
- Homeodomain Proteins/genetics
- Homeodomain Proteins/metabolism
- Injections, Intraventricular
- Male
- Medial Forebrain Bundle/drug effects
- Medial Forebrain Bundle/metabolism
- Medial Forebrain Bundle/pathology
- Mesencephalon/drug effects
- Mesencephalon/metabolism
- Mesencephalon/pathology
- Mitochondria/genetics
- Mitochondria/metabolism
- Nerve Tissue Proteins/genetics
- Nerve Tissue Proteins/metabolism
- Neurogenesis/genetics
- Nuclear Receptor Subfamily 4, Group A, Member 2/genetics
- Nuclear Receptor Subfamily 4, Group A, Member 2/metabolism
- Organelle Biogenesis
- Oxidopamine/administration & dosage
- Parkinson Disease, Secondary/chemically induced
- Parkinson Disease, Secondary/genetics
- Parkinson Disease, Secondary/metabolism
- Parkinson Disease, Secondary/pathology
- Pars Compacta/drug effects
- Pars Compacta/metabolism
- Pars Compacta/pathology
- RNA, Small Interfering/genetics
- RNA, Small Interfering/metabolism
- Rats
- Rats, Sprague-Dawley
- Stereotaxic Techniques
- Transcription Factors/genetics
- Transcription Factors/metabolism
- Wnt Proteins/genetics
- Wnt Proteins/metabolism
- Wnt Signaling Pathway
- beta Catenin/genetics
- beta Catenin/metabolism
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Affiliation(s)
- Sonu Singh
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, U.P., India
| | - Akanksha Mishra
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, U.P., India; Academy of Scientific and Innovative Research, New Delhi, India
| | | | - Virendra Tiwari
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, U.P., India; Academy of Scientific and Innovative Research, New Delhi, India
| | - Rajnish Kumar Chaturvedi
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow, Uttar Pradesh 226001, India
| | - Sukant Khurana
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, U.P., India
| | - Shubha Shukla
- Division of Pharmacology, CSIR-Central Drug Research Institute, Lucknow, U.P., India; Academy of Scientific and Innovative Research, New Delhi, India.
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Wnt/β-Catenin Signaling Pathway Governs a Full Program for Dopaminergic Neuron Survival, Neurorescue and Regeneration in the MPTP Mouse Model of Parkinson's Disease. Int J Mol Sci 2018; 19:ijms19123743. [PMID: 30477246 PMCID: PMC6321180 DOI: 10.3390/ijms19123743] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/12/2018] [Accepted: 11/17/2018] [Indexed: 12/18/2022] Open
Abstract
Wingless-type mouse mammary tumor virus (MMTV) integration site (Wnt) signaling is one of the most critical pathways in developing and adult tissues. In the brain, Wnt signaling contributes to different neurodevelopmental aspects ranging from differentiation to axonal extension, synapse formation, neurogenesis, and neuroprotection. Canonical Wnt signaling is mediated mainly by the multifunctional β-catenin protein which is a potent co-activator of transcription factors such as lymphoid enhancer factor (LEF) and T-cell factor (TCF). Accumulating evidence points to dysregulation of Wnt/β-catenin signaling in major neurodegenerative disorders. This review highlights a Wnt/β-catenin/glial connection in Parkinson's disease (PD), the most common movement disorder characterized by the selective death of midbrain dopaminergic (mDAergic) neuronal cell bodies in the subtantia nigra pars compacta (SNpc) and gliosis. Major findings of the last decade document that Wnt/β-catenin signaling in partnership with glial cells is critically involved in each step and at every level in the regulation of nigrostriatal DAergic neuronal health, protection, and regeneration in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of PD, focusing on Wnt/β-catenin signaling to boost a full neurorestorative program in PD.
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23
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Najafi H, Hosseini SM, Tavallaie M, Soltani BM. A Predicted Molecular Model for Development of Human Intelligence. NEUROCHEM J+ 2018. [DOI: 10.1134/s1819712418030091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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24
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Liao D, Li X, Dong Y, Sun G. The Role of Wnt/β-Catenin Signaling Pathway in the Transdifferentiation from Periodontal Ligament Stem Cells to Schwann Cells. Cell Reprogram 2018; 19:384-388. [PMID: 29215941 DOI: 10.1089/cell.2017.0017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
This study was aimed to investigate the role of Wnt/β-catenin signaling pathway in the differentiation from periodontal ligament stem cells (PDLSCs) to Schwann cells (SCs) and the possible mechanisms. FzB was applied to inhibit the Wnt/β-catenin signaling pathway of differentiated PDLSCs (dPDLSCs), and then immunofluorescence, polymerase chain reaction (PCR), and Western blotting analysis were performed to detect SC marker genes and proteins such as S100, glial fibrillary acidic protein (GFAP), and P75NTR. Results showed that when the Wnt/β-catenin signaling pathway was inhibited, the expression of S100, GFAP, and P75NTR protein significantly decreased in dPDLSCs, p < 0.05, whereas PCR results showed that expression of SC myelinogenesis-related genes krox-20, Oct-6, P0, and PMP-22 was significantly downregulated at the same time, p < 0.05. These results showed that Wnt/β-catenin signaling pathway participated in the differentiation from PDLSCs to SCs, and inhibiting it could inhibit the differentiation process.
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Affiliation(s)
- Dapeng Liao
- 1 Department of Dentistry, Second Affiliated Hospital, School of Medicine, Zhejiang University , China
| | - Xiaojie Li
- 2 Department of Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University , China
| | - Yan Dong
- 1 Department of Dentistry, Second Affiliated Hospital, School of Medicine, Zhejiang University , China
| | - Gang Sun
- 1 Department of Dentistry, Second Affiliated Hospital, School of Medicine, Zhejiang University , China
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25
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Agbay A, De La Vega L, Nixon G, Willerth S. Guggulsterone-releasing microspheres direct the differentiation of human induced pluripotent stem cells into neural phenotypes. ACTA ACUST UNITED AC 2018; 13:034104. [PMID: 29368696 DOI: 10.1088/1748-605x/aaaa77] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Parkinson's disease (PD), a common neurodegenerative disorder, results from the loss of motor function when dopaminergic neurons (DNs) in the brain selectively degenerate. While pluripotent stem cells (PSCs) show promise for generating replacement neurons, current protocols for generating terminally differentiated DNs require a complicated cocktail of factors. Recent work demonstrated that a naturally occurring steroid called guggulsterone effectively differentiated PSCs into DNs, simplifying this process. In this study, we encapsulated guggulsterone into novel poly-ε-caprolactone-based microspheres and characterized its release profile over 44 d in vitro, demonstrating we can control its release over time. These guggulsterone-releasing microspheres were also successfully incorporated in human induced pluripotent stem cell-derived cellular aggregates under feeder-free and xeno-free conditions and cultured for 20 d to determine their effect on differentiation. All cultures stained positive for the early neuronal marker TUJ1 and guggulsterone microsphere-incorporated aggregates did not adversely affect neurite length and branching. Guggulsterone microsphere incorporated aggregates exhibited the highest levels of TUJ1 expression as well as high Olig 2 expression, an inhibitor of the STAT3 astrogenesis pathway previously known as a target for guggulsterone in cancer treatment. Together, this study represents an important first step towards engineered neural tissues consisting of guggulsterone microspheres and PSCs for generating DNs that could eventually be evaluated in a pre-clinical model of PD.
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Affiliation(s)
- Andrew Agbay
- Department of Neuroscience, Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
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26
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Pipo-Deveza J, Fehlings D, Chitayat D, Yoon G, Sroka H, Tein I. Rationale for dopa-responsive CTNNB1/ß-catenin deficient dystonia. Mov Disord 2018; 33:656-657. [PMID: 29436745 DOI: 10.1002/mds.27320] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Revised: 12/23/2017] [Accepted: 01/05/2018] [Indexed: 11/12/2022] Open
Affiliation(s)
- Judy Pipo-Deveza
- Division of Neurology, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada
| | - Darcy Fehlings
- Holland Bloorview Kids Rehabilitation Hospital, Department of Pediatrics, University of Toronto, Toronto, ON, Canada
| | - David Chitayat
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada.,The Prenatal Diagnosis and Medical Genetics Program, Department. of Obstetrics and Gynecology, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Grace Yoon
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada
| | - Hana Sroka
- The Prenatal Diagnosis and Medical Genetics Program, Department. of Obstetrics and Gynecology, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada
| | - Ingrid Tein
- Division of Neurology, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
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Impaired Wnt signaling in dopamine containing neurons is associated with pathogenesis in a rotenone triggered Drosophila Parkinson's disease model. Sci Rep 2018; 8:2372. [PMID: 29403026 PMCID: PMC5799194 DOI: 10.1038/s41598-018-20836-w] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 01/25/2018] [Indexed: 12/18/2022] Open
Abstract
Parkinson’s disease, which is the one of the most common neurodegenerative movement disorder, is characterized by a progressive loss of dopamine containing neurons. The mechanisms underlying disease initiation and development are not well understood and causative therapies are currently not available. To elucidate the molecular processes during early stages of Parkinson’s disease, we utilized a Drosophila model. To induce Parkinson’s disease-like phenotypes, we treated flies with the pesticide rotenone and isolated dopamine producing neurons of animals that were at an early disease stage. Transcriptomic analyses revealed that gene ontologies associated with regulation of cell death and neuronal functions were significantly enriched. Moreover, the activities of the MAPK/EGFR- and TGF-β signaling pathways were enhanced, while the Wnt pathway was dampened. In order to evaluate the role of Wnt signaling for survival of dopaminergic neurons in the disease model, we rescued the reduced Wnt signaling activity by ectopic overexpression of armadillo/β-catenin. This intervention rescued the rotenone induced movement impairments in the Drosophila model. Taken together, this initial study showed a highly relevant role of Wnt signaling for dopamine producing neurons during pathogenesis in Parkinson’s disease and it implies that interfering with this pathway might by a suitable therapeutic option for the future.
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28
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Expression of Gas1 in Mouse Brain: Release and Role in Neuronal Differentiation. Cell Mol Neurobiol 2017; 38:841-859. [PMID: 29110208 DOI: 10.1007/s10571-017-0559-0] [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: 07/26/2017] [Accepted: 10/14/2017] [Indexed: 10/18/2022]
Abstract
Growth arrest-specific 1 (Gas1) is a pleiotropic protein that induces apoptosis of tumor cells and has important roles during development. Recently, the presence of two forms of Gas1 was reported: one attached to the cell membrane by a GPI anchor; and a soluble extracellular form shed by cells. Previously, we showed that Gas1 is expressed in different areas of the adult mouse CNS. Here, we report the levels of Gas1 mRNA protein in different regions and analyzed its expressions in glutamatergic, GABAergic, and dopaminergic neurons. We found that Gas1 is expressed in GABAergic and glutamatergic neurons in the Purkinje-molecular layer of the cerebellum, hippocampus, thalamus, and fastigial nucleus, as well as in dopaminergic neurons of the substantia nigra. In all cases, Gas1 was found in the cell bodies, but not in the neuropil. The Purkinje and the molecular layers show the highest levels of Gas1, whereas the granule cell layer has low levels. Moreover, we detected the expression and release of Gas1 from primary cultures of Purkinje cells and from hippocampal neurons as well as from neuronal cell lines, but not from cerebellar granular cells. In addition, using SH-SY5Y cells differentiated with retinoic acid as a neuronal model, we found that extracellular Gas1 promotes neurite outgrowth, increases the levels of tyrosine hydroxylase, and stimulates the inhibition of GSK3β. These findings demonstrate that Gas1 is expressed and released by neurons and promotes differentiation, suggesting an important role for Gas1 in cellular signaling in the CNS.
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Wianny F, Vezoli J. Transplantation in the nonhuman primate MPTP model of Parkinson's disease: update and perspectives. Primate Biol 2017; 4:185-213. [PMID: 32110706 PMCID: PMC7041537 DOI: 10.5194/pb-4-185-2017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 08/31/2017] [Indexed: 12/22/2022] Open
Abstract
In order to calibrate stem cell exploitation for cellular therapy in neurodegenerative diseases, fundamental and preclinical research in NHP (nonhuman primate) models is crucial. Indeed, it is consensually recognized that it is not possible to directly extrapolate results obtained in rodent models to human patients. A large diversity of neurological pathologies should benefit from cellular therapy based on neural differentiation of stem cells. In the context of this special issue of Primate Biology on NHP stem cells, we describe past and recent advances on cell replacement in the NHP model of Parkinson's disease (PD). From the different grafting procedures to the various cell types transplanted, we review here diverse approaches for cell-replacement therapy and their related therapeutic potential on behavior and function in the NHP model of PD.
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Affiliation(s)
- Florence Wianny
- Univ Lyon, Université Claude Bernard Lyon 1, Inserm, Stem Cell and Brain Research Institute U1208, 69500 Bron, France
| | - Julien Vezoli
- Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society, 60528 Frankfurt, Germany
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Abstract
HIV-associated neurocognitive disorder (HAND) remains highly prevalent in HIV infected individuals and represents a special group of neuropathological disorders, which are associated with HIV-1 viral proteins, such as transactivator of transcription (Tat) protein. Cocaine abuse increases the incidence of HAND and exacerbates its severity by enhancing viral replication. Perturbation of dopaminergic transmission has been implicated as a risk factor of HAND. The presynaptic dopamine (DA) transporter (DAT) is essential for DA homeostasis and dopaminergic modulation of the brain function including cognition. Tat and cocaine synergistically elevate synaptic DA levels by acting directly on human DAT (hDAT), ultimately leading to dysregulation of DA transmission. Through integrated computational modeling and experimental validation, key residues have been identified in hDAT that play a critical role in Tat-induced inhibition of DAT and induce transporter conformational transitions. This review presents current information regarding neurological changes in DAT-mediated dopaminergic system associated with HIV infection, DAT-mediated adaptive responses to Tat as well as allosteric modulatory effects of novel compounds on hDAT. Understanding the molecular mechanisms by which Tat induces DAT-mediated dysregulation of DA system is of great clinical interest for identifying new targets for an early therapeutic intervention for HAND.
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31
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Szegő ÉM, Gerhardt E, Outeiro TF. Sirtuin 2 enhances dopaminergic differentiation via the AKT/GSK-3β/β-catenin pathway. Neurobiol Aging 2017; 56:7-16. [DOI: 10.1016/j.neurobiolaging.2017.04.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 03/19/2017] [Accepted: 04/01/2017] [Indexed: 01/02/2023]
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Abstract
Wnt signals regulate cell proliferation, migration and differentiation during development, as well as synaptic transmission and plasticity in the adult brain. Abnormal Wnt signaling is central to a number of brain pathologies. We review here, the significance of this pathway focused in the contribution of the most frequent alterations in receptors, secretable modulators and downstream targets in Alzheimer's disease (AD) and Glioblastoma (GBM). β-catenin and GSK3 levels are pivotal in the neurodegeneration associated to AD contributing to memory deficits, tau phosphorylation, increased β-amyloid production and modulation of Apolipoprotein E in the brain. In consequence, β-catenin and GSK3 are targets for potential treatments in AD. Also, Wnt pathway components and secreted molecules interfering with this signaling contribute to the progression of tumoral cells. Wnt pathway activation is a bad prognosis in brain cancer; however, mutations in WNT or Frizzled (FZD) genes do not account for the cases of GBM. Instead, recent studies indicate that epigenetic modifications contribute to the development of GBMs opening novel strategies to study GBM progression.
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Kim S, Lim J, Bang Y, Moon J, Kwon MS, Hong JT, Jeon J, Seo H, Choi HJ. Alpha-Synuclein Suppresses Retinoic Acid-Induced Neuronal Differentiation by Targeting the Glycogen Synthase Kinase-3β/β-Catenin Signaling Pathway. Mol Neurobiol 2017; 55:1607-1619. [PMID: 28190238 DOI: 10.1007/s12035-016-0370-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Accepted: 12/28/2016] [Indexed: 11/27/2022]
Abstract
Alpha-synuclein (α-SYN) is expressed during neuronal development and is mainly involved in the modulation of synaptic transmission. Missense mutations and amplifications of this gene have been associated with the pathogenesis of Parkinson's disease. Here, we evaluate whether α-SYN plays a detrimental role in the phenotypic and morphological regulation of neurons. We also identify the underlying mechanisms of this process in all-trans-retinoic acid (RA)-induced differentiated SH-SY5Y cells, which represents dopaminergic (DAergic) phenotype. Our results indicate that overexpression of wild-type or mutant A53T α-SYN attenuated the RA-induced upregulation of tyrosine hydroxylase and dopamine transporter as well as neurite outgrowth in SH-SY5Y cells. In addition, GSK-3β inactivation and downstream β-catenin stabilization were associated with RA-induced differentiation, which was attenuated by α-SYN. Moreover, protein phosphatase 2A was positively regulated by α-SYN and was implicated in the α-SYN-mediated interference with RA signaling. The results obtained from SH-SY5Y cells were verified in primary cultures of mesencephalic DAergic neurons from A53T α-SYN transgenic mice, which represent high levels of α-SYN and protein phosphatase 2A in the midbrain. The number and length of neurites in tyrosine hydroxylase-positive as well as Tau-positive cells from A53T α-SYN transgenic mice were significantly lower than those in littermate controls. The current results provide novel insight into the role of α-SYN in the regulation of neuronal differentiation, including DAergic neurons. Identifying the signaling pathway involved in the α-SYN-mediated dysregulation of neuronal differentiation could lead to a better understanding of the developmental processes underlying α-SYN-related pathologies and facilitate the discovery of specifically targeted therapeutics.
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Affiliation(s)
- Sasuk Kim
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, Seongnam, 13488, Republic of Korea
| | - Juhee Lim
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, Seongnam, 13488, Republic of Korea
| | - Yeojin Bang
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, Seongnam, 13488, Republic of Korea
| | - Jisook Moon
- Department of Bioengineering, College of Life Science, CHA University, Seongnam, 13488, Republic of Korea
| | - Min-Soo Kwon
- Department of Pharmacology, School of Medicine, CHA University, Seongnam, 13488, Republic of Korea
| | - Jin Tae Hong
- College of Pharmacy, Chungbuk National University, Cheongju, 28644, Republic of Korea
| | - Jeha Jeon
- Department of Molecular and Life Sciences, Hanyang University, Ansan, 15588, Republic of Korea
| | - Hyemyung Seo
- Department of Molecular and Life Sciences, Hanyang University, Ansan, 15588, Republic of Korea
| | - Hyun Jin Choi
- College of Pharmacy and Institute of Pharmaceutical Sciences, CHA University, Seongnam, 13488, Republic of Korea.
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Mesman S, van Hooft JA, Smidt MP. Mest/Peg1 Is Essential for the Development and Maintenance of a SNc Neuronal Subset. Front Mol Neurosci 2017; 9:166. [PMID: 28133444 PMCID: PMC5233686 DOI: 10.3389/fnmol.2016.00166] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 12/21/2016] [Indexed: 11/23/2022] Open
Abstract
Mesodiencephalic dopaminergic (mdDA) neurons originate at the floor plate and floor plate-basal plate boundary of the midbrain ventricular zone. During development mdDA neurons are specified by a unique set of transcription factors and signaling cascades, to form the different molecular subsets of the mdDA neuronal population. In a time series micro-array study performed previously, mesoderm specific transcript (Mest) was found to be one of the most upregulated genes during early mdDA neuronal development. Here, we show that Mest transcript is expressed in the midbrain throughout development and becomes restricted to the substantia nigra (SNc) at late stages. In Mest KO animals mdDA neurons are progressively lost in the adult, mostly affecting the SNc, reflected by a 50% decrease of TH protein and DA release in the striatum and a reduction of climbing behavior. Analysis of Lrp6 KO embryos suggest a subtle opposite phenotype to the Mest KO, hinting toward the possibility that specific loss of mdDA neurons in Mest ablated animals could be due to affected WNT-signaling. Interestingly, the mdDA neuronal region affected by the loss of Mest remains relatively unaffected in Pitx3 mutants, suggesting that both genes are essential for the development and/or maintenance of different mdDA neuronal subsets within the SNc. Overall, the neuroanatomical and phenotypical consequences detected upon the loss of Mest, resemble the loss of SNc neurons and loss of movement control as seen in Parkinson’s Disease (PD), suggesting that the Mest mouse model may be used as a model-system for PD.
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Affiliation(s)
- Simone Mesman
- Swammerdam Institute for Life Sciences, FNWI University of Amsterdam Amsterdam, Netherlands
| | - Johannes A van Hooft
- Swammerdam Institute for Life Sciences, FNWI University of Amsterdam Amsterdam, Netherlands
| | - Marten P Smidt
- Swammerdam Institute for Life Sciences, FNWI University of Amsterdam Amsterdam, Netherlands
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Neuroprotective effects of ginsenoside Rg1 through the Wnt/β-catenin signaling pathway in both in vivo and in vitro models of Parkinson's disease. Neuropharmacology 2016; 101:480-9. [DOI: 10.1016/j.neuropharm.2015.10.024] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 09/07/2015] [Accepted: 10/20/2015] [Indexed: 01/13/2023]
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Chen Y, Sakamuru S, Huang R, Reese DH, Xia M. Identification of compounds that modulate retinol signaling using a cell-based qHTS assay. Toxicol In Vitro 2016; 32:287-96. [PMID: 26820057 DOI: 10.1016/j.tiv.2016.01.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 01/15/2016] [Accepted: 01/20/2016] [Indexed: 01/12/2023]
Abstract
In vertebrates, the retinol (vitamin A) signaling pathway (RSP) controls the biosynthesis and catabolism of all-trans retinoic acid (atRA), which regulates transcription of genes essential for embryonic development. Chemicals that interfere with the RSP to cause abnormal intracellular levels of atRA are potential developmental toxicants. To assess chemicals for the ability to interfere with retinol signaling, we have developed a cell-based RARE (Retinoic Acid Response Element) reporter gene assay to identify RSP disruptors. To validate this assay in a quantitative high-throughput screening (qHTS) platform, we screened the Library of Pharmacologically Active Compounds (LOPAC) in both agonist and antagonist modes. The screens detected known RSP agonists, demonstrating assay reliability, and also identified novel RSP agonists including kenpaullone, niclosamide, PD98059 and SU4312, and RSP antagonists including Bay 11-7085, LY294002, 3,4-Methylenedioxy-β-nitrostyrene, and topoisomerase inhibitors (camptothecin, topotecan, amsacrine hydrochloride, and idarubicin). When evaluated in the P19 pluripotent cell, these compounds were found to affect the expression of the Hoxa1 gene that is essential for embryo body patterning. These results show that the RARE assay is an effective qHTS approach for screening large compound libraries to identify chemicals that have the potential to adversely affect embryonic development through interference with retinol signaling.
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Affiliation(s)
- Yanling Chen
- Division of Molecular Biology, Office of Applied Research and Safety Assessment, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, United States.
| | - Srilatha Sakamuru
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, United States
| | - Ruili Huang
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, United States
| | - David H Reese
- Division of Molecular Biology, Office of Applied Research and Safety Assessment, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, United States
| | - Menghang Xia
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, United States
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Rhim JH, Luo X, Xu X, Gao D, Zhou T, Li F, Qin L, Wang P, Xia X, Wong STC. A High-content screen identifies compounds promoting the neuronal differentiation and the midbrain dopamine neuron specification of human neural progenitor cells. Sci Rep 2015; 5:16237. [PMID: 26542303 PMCID: PMC4635364 DOI: 10.1038/srep16237] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Accepted: 10/14/2015] [Indexed: 12/30/2022] Open
Abstract
Small molecule compounds promoting the neuronal differentiation of stem/progenitor cells are of pivotal importance to regenerative medicine. We carried out a high-content screen to systematically characterize known bioactive compounds, on their effects on the neuronal differentiation and the midbrain dopamine (mDA) neuron specification of neural progenitor cells (NPCs) derived from the ventral mesencephalon of human fetal brain. Among the promoting compounds three major pharmacological classes were identified including the statins, TGF-βRI inhibitors, and GSK-3 inhibitors. The function of each class was also shown to be distinct, either to promote both the neuronal differentiation and mDA neuron specification, or selectively the latter, or promote the former but suppress the latter. We then carried out initial investigation on the possible mechanisms underlying, and demonstrated their applications on NPCs derived from human pluripotent stem cells (PSCs). Our study revealed the potential of several small molecule compounds for use in the directed differentiation of human NPCs. The screening result also provided insight into the signaling network regulating the differentiation of human NPCs.
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Affiliation(s)
- Ji Heon Rhim
- Chao Center for BRAIN, Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030
| | - Xiangjian Luo
- Chao Center for BRAIN, Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030
| | - Xiaoyun Xu
- Chao Center for BRAIN, Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030
| | - Dongbing Gao
- Chao Center for BRAIN, Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030
| | - Tieling Zhou
- Chao Center for BRAIN, Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030
| | - Fuhai Li
- Chao Center for BRAIN, Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030.,Weill Cornell Medical College, Cornell University, New York, NY 10065
| | - Lidong Qin
- Department of Nanomedicine, Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030.,Weill Cornell Medical College, Cornell University, New York, NY 10065
| | - Ping Wang
- Department of Pathology and Genomic Medicine, Houston Methodist Research Institute, Houston, TX 77030.,Weill Cornell Medical College, Cornell University, New York, NY 10065
| | - Xiaofeng Xia
- Chao Center for BRAIN, Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030.,Weill Cornell Medical College, Cornell University, New York, NY 10065
| | - Stephen T C Wong
- Chao Center for BRAIN, Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, 6670 Bertner Avenue, Houston, TX 77030.,Weill Cornell Medical College, Cornell University, New York, NY 10065
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Nakano R, Edamura K, Nakayama T, Narita T, Okabayashi K, Sugiya H. Fibroblast Growth Factor Receptor-2 Contributes to the Basic Fibroblast Growth Factor-Induced Neuronal Differentiation in Canine Bone Marrow Stromal Cells via Phosphoinositide 3-Kinase/Akt Signaling Pathway. PLoS One 2015; 10:e0141581. [PMID: 26523832 PMCID: PMC4629880 DOI: 10.1371/journal.pone.0141581] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 10/09/2015] [Indexed: 11/26/2022] Open
Abstract
Bone marrow stromal cells (BMSCs) are considered as candidates for regenerative therapy and a useful model for studying neuronal differentiation. The role of basic fibroblast growth factor (bFGF) in neuronal differentiation has been previously studied; however, the signaling pathway involved in this process remains poorly understood. In this study, we investigated the signaling pathway in the bFGF-induced neuronal differentiation of canine BMSCs. bFGF induced the mRNA expression of the neuron marker, microtubule associated protein-2 (MAP2) and the neuron-like morphological change in canine BMSCs. In the presence of inhibitors of fibroblast growth factor receptors (FGFR), phosphatidylinositol 3-kinase (PI3K) and Akt, i.e., SU5402, LY294002, and MK2206, respectively, bFGF failed to induce the MAP2 mRNA expression and the neuron-like morphological change. bFGF induced Akt phosphorylation, but it was attenuated by the FGFR inhibitor SU5402 and the PI3K inhibitor LY294002. In canine BMSCs, expression of FGFR-1 and FGFR-2 was confirmed, but only FGFR-2 activation was detected by cross-linking and immunoprecipitation analysis. Small interfering RNA-mediated knockdown of FGFR-2 in canine BMSCs resulted in the attenuation of bFGF-induced Akt phosphorylation. These results suggest that the FGFR-2/PI3K/Akt signaling pathway is involved in the bFGF-induced neuronal differentiation of canine BMSCs.
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Affiliation(s)
- Rei Nakano
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, College of Bioresource Sciences, Nihon University, Kameino, Fujisawa, Kanagawa, Japan
- Laboratory of Veterinary Biochemistry, Department of Veterinary Medicine, College of Bioresource Sciences, Nihon University, Kameino, Fujisawa, Kanagawa, Japan
| | - Kazuya Edamura
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, College of Bioresource Sciences, Nihon University, Kameino, Fujisawa, Kanagawa, Japan
| | - Tomohiro Nakayama
- Laboratory of Veterinary Radiology, Department of Veterinary Medicine, College of Bioresource Sciences, Nihon University, Kameino, Fujisawa, Kanagawa, Japan
| | - Takanori Narita
- Laboratory of Veterinary Biochemistry, Department of Veterinary Medicine, College of Bioresource Sciences, Nihon University, Kameino, Fujisawa, Kanagawa, Japan
| | - Ken Okabayashi
- Laboratory of Veterinary Biochemistry, Department of Veterinary Medicine, College of Bioresource Sciences, Nihon University, Kameino, Fujisawa, Kanagawa, Japan
| | - Hiroshi Sugiya
- Laboratory of Veterinary Biochemistry, Department of Veterinary Medicine, College of Bioresource Sciences, Nihon University, Kameino, Fujisawa, Kanagawa, Japan
- * E-mail:
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L'Episcopo F, Tirolo C, Testa N, Caniglia S, Morale MC, Serapide MF, Pluchino S, Marchetti B. Wnt/β-catenin signaling is required to rescue midbrain dopaminergic progenitors and promote neurorepair in ageing mouse model of Parkinson's disease. Stem Cells 2015; 32:2147-63. [PMID: 24648001 DOI: 10.1002/stem.1708] [Citation(s) in RCA: 87] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Revised: 02/12/2014] [Accepted: 02/24/2014] [Indexed: 12/28/2022]
Abstract
Wnt/β-catenin signaling is required for specification and neurogenesis of midbrain dopaminergic (mDA) neurons, the pivotal neuronal population that degenerates in Parkinson's disease (PD), and in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of PD. Wnt/β-catenin signaling plays a vital role in adult neurogenesis but whether it might engage DA neurogenesis/neurorepair in the affected PD brain is yet unresolved. Recently, the adult midbrain aqueduct periventricular regions (Aq-PVRs) were shown to harbor multipotent clonogenic neural stem/progenitor cells (mNPCs) with DA potential in vitro, but restrictive mechanisms in vivo are believed to limit their DA regenerative capacity. Using in vitro mNPC culture systems we herein demonstrate that aging is one most critical factor restricting mNPC neurogenic potential via dysregulation of Wnt/β-catenin signaling. Coculture paradigms between young/aged (Y/A) mNPCs and Y/A astrocytes identified glial age and a decline of glial-derived factors including Wnts as key determinants of impaired neurogenic potential, whereas Wnt activation regimens efficiently reversed the diminished proliferative, neuronal, and DA differentiation potential of A-mNPCs. Next, in vivo studies in wild (Wt) and transgenic β-catenin reporter mice uncovered Wnt/β-catenin signaling activation and remarkable astrocyte remodeling of Aq-PVR in response to MPTP-induced DA neuron death. Spatio-temporal analyses unveiled β-catenin signaling in predopaminergic (Nurr1(+)/TH(-)) and imperiled or rescuing DAT(+) neurons during MPTP-induced DA neuron injury and self-repair. Aging inhibited Wnt signaling, whereas β-catenin activation in situ with a specific GSK-3β antagonist promoted a significant degree of DA neurorestoration associated with reversal of motor deficit, with implications for neurorestorative approaches in PD.
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Affiliation(s)
- Francesca L'Episcopo
- Oasi Institute for Research on Mental Retardation and Brain Aging (IRCCS), Neuropharmacology Section, Troina, Enna, Italy
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Li W, Chen S, Li JY. Human induced pluripotent stem cells in Parkinson's disease: A novel cell source of cell therapy and disease modeling. Prog Neurobiol 2015; 134:161-77. [PMID: 26408505 DOI: 10.1016/j.pneurobio.2015.09.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 09/15/2015] [Accepted: 09/17/2015] [Indexed: 12/16/2022]
Abstract
Human induced pluripotent stem cells (hiPSCs) and human embryonic stem cells (hESCs) are two novel cell sources for studying neurodegenerative diseases. Dopaminergic neurons derived from hiPSCs/hESCs have been implicated to be very useful in Parkinson's disease (PD) research, including cell replacement therapy, disease modeling and drug screening. Recently, great efforts have been made to improve the application of hiPSCs/hESCs in PD research. Considerable advances have been made in recent years, including advanced reprogramming strategies without the use of viruses or using fewer transcriptional factors, optimized methods for generating highly homogeneous neural progenitors with a larger proportion of mature dopaminergic neurons and better survival and integration after transplantation. Here we outline the progress that has been made in these aspects in recent years, particularly during the last year, and also discuss existing issues that need to be addressed.
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Affiliation(s)
- Wen Li
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197, Rui Jin Er Road, Shanghai 200025, China; Neural Plasticity and Repair Unit, Wallenberg Neuroscience Center, Lund University, BMC A10, 221 84 Lund, Sweden
| | - Shengdi Chen
- Department of Neurology and Institute of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197, Rui Jin Er Road, Shanghai 200025, China.
| | - Jia-Yi Li
- Institute of Neuroscience, College of Life and Health Sciences, Northeastern University, Shenyang, China; Neural Plasticity and Repair Unit, Wallenberg Neuroscience Center, Lund University, BMC A10, 221 84 Lund, Sweden.
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Dyer C, Blanc E, Stanley RJ, Knight RD. Dissecting the role of Wnt signaling and its interactions with FGF signaling during midbrain neurogenesis. NEUROGENESIS 2015; 2:e1057313. [PMID: 27606327 PMCID: PMC4973611 DOI: 10.1080/23262133.2015.1057313] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 05/07/2015] [Accepted: 05/27/2015] [Indexed: 11/14/2022]
Abstract
Interactions between FGF and Wnt/ bcat signaling control development of the midbrain. The nature of this interaction and how these regulate patterning, growth and differentiation is less clear, as it has not been possible to temporally dissect the effects of one pathway relative to the other. We have employed pharmacological and genetic tools to probe the temporal and spatial roles of FGF and Wnt in controlling the specification of early midbrain neurons. We identify a β-catenin (bcat) independent role for GSK-3 in modulating FGF activity and hence neuronal patterning. This function is complicated by an overlap with bcat-dependent regulation of FGF signaling, through the regulation of sprouty4. Additionally we reveal how attenuation of Axin protein function can promote fluctuating levels of bcat activity that are dependent on FGF activity. This highlights the complex nature of the interactions between FGF and Wnt/ bcat and reveals that they act at multiple levels to control each others activity in the midbrain.
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Affiliation(s)
- Carlene Dyer
- Craniofacial Development and Stem Cell Biology; King's College London ; London, UK
| | - Eric Blanc
- MRC Centre for Developmental Neurobiology; King's College London ; London, UK
| | - Rob J Stanley
- Department of Cell and Developmental Biology; University College London; London, UK; CoMPLEX; University College London; London, UK
| | - Robert D Knight
- Craniofacial Development and Stem Cell Biology; King's College London ; London, UK
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Jackson TC, Manole MD, Kotermanski SE, Jackson EK, Clark RSB, Kochanek PM. Cold stress protein RBM3 responds to temperature change in an ultra-sensitive manner in young neurons. Neuroscience 2015; 305:268-78. [PMID: 26265550 DOI: 10.1016/j.neuroscience.2015.08.012] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Revised: 08/02/2015] [Accepted: 08/05/2015] [Indexed: 12/21/2022]
Abstract
Extremely mild hypothermia to 36.0 °C is not thought to appreciably differ clinically from 37.0 °C. However, it is possible that 36.0 °C stimulates highly sensitive hypothermic signaling mechanism(s) and alters biochemistry. To the best of our knowledge, no such ultra-sensitive pathway/mechanisms have been described. Here we show that cold stress protein RNA binding motif 3 (RBM3) increases in neuron and astrocyte cultures maintained at 33 °C or 36 °C for 24 or 48 h, compared to 37 °C controls. Neurons cultured at 36 °C also had increased global protein synthesis (GPS). Finally, we found that melatonin or fibroblast growth factor 21 (FGF21) augmented RBM3 upregulation in young neurons cooled to 36 °C. Our results show that a 1 °C reduction in temperature can induce pleiotropic biochemical changes by upregulating GPS in neurons which may be mediated by RBM3 and that this process can be pharmacologically mimicked and enhanced with melatonin or FGF21.
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Affiliation(s)
- T C Jackson
- University of Pittsburgh School of Medicine, Safar Center for Resuscitation Research, 200 Hill Building, 3434 Fifth Avenue, Pittsburgh, PA 15260, United States; University of Pittsburgh School of Medicine, Department of Critical Care Medicine, 3550 Terrace Street, Pittsburgh, PA 15261, United States.
| | - M D Manole
- University of Pittsburgh School of Medicine, Safar Center for Resuscitation Research, 200 Hill Building, 3434 Fifth Avenue, Pittsburgh, PA 15260, United States; University of Pittsburgh School of Medicine, Department of Pediatrics, 4401 Penn Avenue, Pittsburgh, PA 15224, United States
| | - S E Kotermanski
- University of Pittsburgh School of Medicine, Department of Pharmacology and Chemical Biology, Bridgeside Point Building 1, 100 Technology Drive, Pittsburgh, PA 15219, United States
| | - E K Jackson
- University of Pittsburgh School of Medicine, Department of Pharmacology and Chemical Biology, Bridgeside Point Building 1, 100 Technology Drive, Pittsburgh, PA 15219, United States
| | - R S B Clark
- University of Pittsburgh School of Medicine, Safar Center for Resuscitation Research, 200 Hill Building, 3434 Fifth Avenue, Pittsburgh, PA 15260, United States; University of Pittsburgh School of Medicine, Department of Critical Care Medicine, 3550 Terrace Street, Pittsburgh, PA 15261, United States
| | - P M Kochanek
- University of Pittsburgh School of Medicine, Safar Center for Resuscitation Research, 200 Hill Building, 3434 Fifth Avenue, Pittsburgh, PA 15260, United States; University of Pittsburgh School of Medicine, Department of Critical Care Medicine, 3550 Terrace Street, Pittsburgh, PA 15261, United States
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ALCAR Exerts Neuroprotective and Pro-Neurogenic Effects by Inhibition of Glial Activation and Oxidative Stress via Activation of the Wnt/β-Catenin Signaling in Parkinsonian Rats. Mol Neurobiol 2015. [DOI: 10.1007/s12035-015-9361-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Wei L, Ding L, Mo MS, Lei M, Zhang L, Chen K, Xu P. Wnt3a protects SH-SY5Y cells against 6-hydroxydopamine toxicity by restoration of mitochondria function. Transl Neurodegener 2015; 4:11. [PMID: 26085927 PMCID: PMC4470059 DOI: 10.1186/s40035-015-0033-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Accepted: 06/09/2015] [Indexed: 01/07/2023] Open
Abstract
Background Wnt/β-catenin signal has been reported to exert cytoprotective effects in cellular models of several diseases, including Parkinson’s disease (PD). This study aimed to investigate the neuroprotective effects of actived Wnt/β-catenin signal by Wnt3a on SH-SY5Y cells treated with 6-hydroxydopamine (6-OHDA). Methods Wnt3a-conditioned medium (Wnt3a-CM) was used to intervene dopaminegic SH-SY5Y cells treated with 6-OHDA. Cell toxicity was determined by cell viability and lactate dehydrogenase leakage (LDH) assay. The mitochondria function was measured by the mitochondrial membrane potential, while oxidative stress was monitored with intracellular reactive oxygen species (ROS). Western blot analysis was used to detect the expression of GSK3β, β-catenin as well as Akt. Results Our results showed that 100 μM 6-OHDA treated for 24 h significantly decreased cell viability and mitochondrial transmembrane potential, reduced the level of β-catenin and p-Akt, increased LDH leakage, ROS production and the ratio of p-GSK3β (Tyr216) to p-GSK3β (Ser9). However, Wnt3a-conditioned medium reversing SH-SY5Y cells against 6-OHDA-induced neurotoxicity by reversing these changes. Conclusions Activating of Wnt/β-catenin pathway by Wnt3a-CM attenuated 6-OHDA-induced neurotoxicity significantly, which related to the inhibition of oxidative stress and maintenance of normal mitochondrial function.
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Affiliation(s)
- Lei Wei
- Department of Neurology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630 China ; Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080 China
| | - Li Ding
- Department of pathology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080 China
| | - Ming-Shu Mo
- Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080 China
| | - Ming Lei
- Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080 China
| | - Limin Zhang
- Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080 China
| | - Kang Chen
- Division of Clinical Laboratory, Zhongshan Hospital of Sun Yat-sen University, Zhongshan, 528403 China
| | - Pingyi Xu
- Department of Neurology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080 China ; Department of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120 China
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Abstract
ABSTRACT
Midbrain dopaminergic (mDA) neuron development has been an intense area of research during recent years. This is due in part to a growing interest in regenerative medicine and the hope that treatment for diseases affecting mDA neurons, such as Parkinson's disease (PD), might be facilitated by a better understanding of how these neurons are specified, differentiated and maintained in vivo. This knowledge might help to instruct efforts to generate mDA neurons in vitro, which holds promise not only for cell replacement therapy, but also for disease modeling and drug discovery. In this Primer, we will focus on recent developments in understanding the molecular mechanisms that regulate the development of mDA neurons in vivo, and how they have been used to generate human mDA neurons in vitro from pluripotent stem cells or from somatic cells via direct reprogramming. Current challenges and future avenues in the development of a regenerative medicine for PD will be identified and discussed.
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Affiliation(s)
- Ernest Arenas
- Laboratory of Molecular Neurobiology, Dept. Medical Biochemistry and Biophysics, Center of Developmental Biology for Regenerative Medicine, Karolinska Institutet, Stockholm 171 77, Sweden
| | - Mark Denham
- Laboratory of Molecular Neurobiology, Dept. Medical Biochemistry and Biophysics, Center of Developmental Biology for Regenerative Medicine, Karolinska Institutet, Stockholm 171 77, Sweden
- Danish Research Institute of Translational Neuroscience, Nordic EMBL Partnership for Molecular Medicine, Aarhus University, Aarhus 8000, Denmark
| | - J. Carlos Villaescusa
- Laboratory of Molecular Neurobiology, Dept. Medical Biochemistry and Biophysics, Center of Developmental Biology for Regenerative Medicine, Karolinska Institutet, Stockholm 171 77, Sweden
- Institute of Experimental Biology, Faculty of Science, Masaryk University, Brno 61137, Czech Republic
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Miyamoto Y, Sakane F, Hashimoto K. N-cadherin-based adherens junction regulates the maintenance, proliferation, and differentiation of neural progenitor cells during development. Cell Adh Migr 2015; 9:183-92. [PMID: 25869655 DOI: 10.1080/19336918.2015.1005466] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
This review addresses our current understanding of the regulatory mechanism by which N-cadherin, a classical cadherin, affects neural progenitor cells (NPCs) during development. N-cadherin is responsible for the integrity of adherens junctions (AJs), which develop in the sub-apical region of NPCs in the neural tube and brain cortex. The apical domain, which contains the sub-apical region, is involved in the switching from symmetric proliferative division to asymmetric neurogenic division of NPCs. In addition, N-cadherin-based AJ is deeply involved in the apico-basal polarity of NPCs and the regulation of Wnt-β-catenin, hedgehog (Hh), and Notch signaling. In this review, we discuss the roles of N-cadherin in the maintenance, proliferation, and differentiation of NPCs through components of AJ, β-catenin and αE-catenin.
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Key Words
- AJ, adherens junction
- EC, extracellular
- Fox, forkhead box
- Frz, frizzled
- GFAP, glial fibrillary acidic protein
- GSK3β, glycogen synthase kinase 3β
- Hes, hairly/enhancer of split
- Hh, hedgehog
- IP, intermediate progenitor
- KO, knockout
- LEF, lymphocyte enhancer factor
- N-cadherin
- NPC, neural progenitor cell
- Par, partition defective complex protein
- Ptc, Pached
- Smo, smoothened
- Sox2, sry (sex determining region Y)-box containing gene 2
- TA cell, transient amplifying cell; ZO-1, Zonula Occludens-1.
- TCF, T-cell factor
- aPKC, atypical protein kinase C
- adherens junction
- apico-basal polarity
- iPSC, induced pluripotent stem cell
- neural progenitor cells
- ngn2, neurogenin 2
- shRNA, short hairpin RNA
- β-catenin
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Affiliation(s)
- Yasunori Miyamoto
- a The Graduate School of Humanities and Sciences; Ochanomizu University ; Tokyo , Japan
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Lim J, Choi HS, Choi HJ. Estrogen-related receptor gamma regulates dopaminergic neuronal phenotype by activating GSK3β/NFAT signaling in SH-SY5Y cells. J Neurochem 2015; 133:544-57. [PMID: 25727910 DOI: 10.1111/jnc.13085] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 02/17/2015] [Accepted: 02/26/2015] [Indexed: 01/22/2023]
Abstract
The orphan nuclear receptor estrogen-related receptor gamma (ERRγ) is highly expressed in the nervous system during embryogenesis and in adult brains, but its physiological role in neuronal development remains unknown. In this study, we evaluated the relevance of ERRγ in regulating dopaminergic (DAergic) phenotype and the corresponding signaling pathway. We used retinoic acid (RA) to differentiate human neuroblastoma SH-SY5Y cells. RA induced neurite outgrowth of SH-SY5Y cells with an increase in DAergic neuron-like properties, including up-regulation of tyrosine hydroxylase, dopamine transporter, and vesicular monoamine transporter 2. ERRγ, but not ERRα, was up-regulated by RA, and participated in RA effect on SH-SY5Y cells. ERRγ over-expression enhanced mature DAergic neuronal phenotype with neurite outgrowth as with RA treatment; and RA-induced increase in DAergic phenotype was attenuated by silencing ERRγ expression. ERRγ appears to have a crucial role in morphological and functional regulation of cells that is selective for DAergic neurons. Polo-like kinase 2 was up-regulated in ERRγ-over-expressing SH-SY5Y cells, which was involved in phosphorylation of glycogen synthase kinase 3β and resulting downstream activation of nuclear factor of activated T cells. The likely involvement of ERRγ in regulating the DAergic neuronal phenotype makes this orphan nuclear receptor a novel target for understanding DAergic neuronal differentiation. We propose the relevance of estrogen-related receptor gamma (ERRγ) in regulating dopaminergic neuronal phenotype: ERRγ is up-regulated by retinoic acid in SH-SY5Y cells, and enhances dopaminergic phenotypes and induces neurite outgrowth; Polo-like kinase 2 (PLK2) and glycogen synthase kinase 3 beta/nuclear factor of activated T cells (GSK3β/NFAT) signaling are responsible for the ERRγ effect. Our findings provide the first insights into the role of ERRγ in the brain, as a novel approach toward understanding dopaminergic differentiation.
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Affiliation(s)
- Juhee Lim
- College of Pharmacy, CHA University, Seongnam, Korea
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Tsai HL, Deng WP, Lai WFT, Chiu WT, Yang CB, Tsai YH, Hwang SM, Renshaw PF. Wnts enhance neurotrophin-induced neuronal differentiation in adult bone-marrow-derived mesenchymal stem cells via canonical and noncanonical signaling pathways. PLoS One 2014; 9:e104937. [PMID: 25170755 PMCID: PMC4149376 DOI: 10.1371/journal.pone.0104937] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2014] [Accepted: 07/16/2014] [Indexed: 01/01/2023] Open
Abstract
Wnts were previously shown to regulate the neurogenesis of neural stem or progenitor cells. Here, we explored the underlying molecular mechanisms through which Wnt signaling regulates neurotrophins (NTs) in the NT-induced neuronal differentiation of human mesenchymal stem cells (hMSCs). NTs can increase the expression of Wnt1 and Wnt7a in hMSCs. However, only Wnt7a enables the expression of synapsin-1, a synaptic marker in mature neurons, to be induced and triggers the formation of cholinergic and dopaminergic neurons. Human recombinant (hr)Wnt7a and general neuron makers were positively correlated in a dose- and time-dependent manner. In addition, the expression of synaptic markers and neurites was induced by Wnt7a and lithium, a glycogen synthase kinase-3β inhibitor, in the NT-induced hMSCs via the canonical/β-catenin pathway, but was inhibited by Wnt inhibitors and frizzled-5 (Frz5) blocking antibodies. In addition, hrWnt7a triggered the formation of cholinergic and dopaminergic neurons via the non-canonical/c-jun N-terminal kinase (JNK) pathway, and the formation of these neurons was inhibited by a JNK inhibitor and Frz9 blocking antibodies. In conclusion, hrWnt7a enhances the synthesis of synapse and facilitates neuronal differentiation in hMSCS through various Frz receptors. These mechanisms may be employed widely in the transdifferentiation of other adult stem cells.
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Affiliation(s)
- Hung-Li Tsai
- Graduate Institute of Medical Sciences, Taipei Medical University, Taipei, Taiwan
| | - Wing-Ping Deng
- Graduate Institute of Biomedical Materials and Engineering, Taipei Medical University, Taipei, Taiwan
| | - Wen-Fu Thomas Lai
- Graduate Institute of Medical Sciences, Taipei Medical University, Taipei, Taiwan
- Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei, Taiwan
- McLean Imaging Center, McLean Hospital/Harvard Medical School, Belmont, Massachusetts, United States of America
- Center for Nano-Tissue Engineering and Image Research, Taipei Medical University Hospital, Taipei, Taiwan
- * E-mail:
| | - Wen-Ta Chiu
- Center for Nano-Tissue Engineering and Image Research, Taipei Medical University Hospital, Taipei, Taiwan
- Department of Neurosurgery, Taipei Medical University-Shuan-Ho Hospital, Taipei, Taiwan
| | - Charn-Bing Yang
- Department of Orthopedics, Taipei County Hospital, Taipei, Taiwan
| | - Yu-Hui Tsai
- Graduate Institute of Medical Sciences, Taipei Medical University, Taipei, Taiwan
| | - Shiaw-Min Hwang
- Bioresource Collection and Research Center, Food Industry Research and Development Institute, Hsinchu, Taiwan
| | - Perry F. Renshaw
- Department of Psychiatry and The Brain Institute, University of Utah, Salt Lake City, Utah, United States of America
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Oh SH, Kim HN, Park HJ, Shin JY, Lee PH. Mesenchymal Stem Cells Increase Hippocampal Neurogenesis and Neuronal Differentiation by Enhancing the Wnt Signaling Pathway in an Alzheimer's Disease Model. Cell Transplant 2014; 24:1097-109. [PMID: 24612635 DOI: 10.3727/096368914x679237] [Citation(s) in RCA: 113] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Neurogenesis in the subgranular zone of the hippocampal dentate gyrus may act as an endogenous repair mechanism in Alzheimer's disease (AD), and the Wnt signaling pathway has been suggested to closely modulate neurogenesis in amyloid-β (Aβ)-related AD models. The present study investigated whether mesenchymal stem cells (MSCs) would modulate hippocampal neurogenesis via modulation of the Wnt signaling pathway in a model of AD. In Aβ-treated neuronal progenitor cells (NPCs), the coculture with MSCs increased significantly the expression of Ki-67, GFAP, SOX2, nestin, and HuD compared to Aβ treatment alone. In addition, MSC treatment in Aβ-treated NPCs enhanced the expression of β-catenin and Ngn1 compared to Aβ treatment alone. MSC treatment in Aβ-treated animals significantly increased the number of BrdU-ir cells in the hippocampus at 2 and 4 weeks compared to Aβ treatment alone. In addition, quantitative analysis showed that the number of BrdU and HuD double-positive cells in the dentate gyrus was significantly higher in the MSC-treated group than in controls or after Aβ treatment alone. These results demonstrate that MSC administration significantly augments hippocampal neurogenesis and enhances the differentiation of NPCs into mature neurons in AD models by augmenting the Wnt signaling pathway. The use of MSCs to modulate endogenous adult neurogenesis may have a significant impact on future strategies for AD treatment.
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Affiliation(s)
- Se Hee Oh
- Department of Neurology and Brain Research Institute, Yonsei University College of Medicine, Seoul, South Korea
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Ahn J, Jang J, Choi J, Lee J, Oh SH, Lee J, Yoon K, Kim S. GSK3β, but not GSK3α, inhibits the neuronal differentiation of neural progenitor cells as a downstream target of mammalian target of rapamycin complex1. Stem Cells Dev 2014; 23:1121-33. [PMID: 24397546 DOI: 10.1089/scd.2013.0397] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Glycogen synthase kinase 3 (GSK3) acts as an important regulator during the proliferation and differentiation of neural progenitor cells (NPCs), but the roles of the isoforms of this molecule (GSK3α and GSK3β) have not been clearly defined. In this study, we investigated the functions of GSK3α and GSK3β in the context of neuronal differentiation of murine NPCs. Treatment of primary NPCs with a GSK3 inhibitor (SB216763) resulted in an increase in the percentage of TuJ1-positive immature neurons, suggesting an inhibitory role of GSK3 in embryonic neurogenesis. Downregulation of GSK3β expression increased the percentage of TuJ1-positive cells, while knock-down of GSK3α seemed to have no effect. When primary NPCs were engineered to stably express either isoform of GSK3 using retroviral vectors, GSK3β, but not GSK3α, inhibited neuronal differentiation and helped the cells to maintain the characteristics of NPCs. Mutant GSK3β (Y216F) failed to suppress neuronal differentiation, indicating that the kinase activity of GSK3β is important for this regulatory function. Similar results were obtained in vivo when a retroviral vector expressing GSK3β was delivered to E9.5 mouse brains using the ultrasound image-guided gene delivery technique. In addition, SB216763 was found to block the rapamycin-mediated inhibition of neuronal differentiation of NPCs. Taken together, our results demonstrate that GSK3β, but not GSK3α, negatively controls the neuronal differentiation of progenitor cells and that GSK3β may act downstream of the mammalian target of rapamycin complex1 signaling pathway.
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Affiliation(s)
- Jyhyun Ahn
- 1 School of Biological Sciences, Seoul National University , Seoul, Korea
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