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Jothi D, Kulka LAM. Strategies for modeling aging and age-related diseases. NPJ AGING 2024; 10:32. [PMID: 38987252 PMCID: PMC11237002 DOI: 10.1038/s41514-024-00161-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 06/18/2024] [Indexed: 07/12/2024]
Abstract
The ability to reprogram patient-derived-somatic cells to IPSCs (Induced Pluripotent Stem Cells) has led to a better understanding of aging and age-related diseases like Parkinson's, and Alzheimer's. The established patient-derived disease models mimic disease pathology and can be used to design drugs for aging and age-related diseases. However, the age and genetic mutations of the donor cells, the employed reprogramming, and the differentiation protocol might often pose challenges in establishing an appropriate disease model. In this review, we will focus on the various strategies for the successful reprogramming and differentiation of patient-derived cells to disease models for aging and age-related diseases, emphasizing the accuracy in the recapitulation of disease pathology and ways to overcome the limitations of its potential application in cell replacement therapy and drug development.
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Affiliation(s)
- D Jothi
- Department of Biochemistry II, Friedrich Schiller University, Jena, Germany.
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2
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Gainey M, Niles A, Imeh-Nathaniel S, Goodwin RL, Roley LT, Win O, Nathaniel TI, Imeh-Nathaniel A. Comorbidities in patients with vascular dementia and Alzheimer's disease with Neuropsychiatric symptoms. Geriatr Nurs 2024; 57:217-223. [PMID: 38696879 DOI: 10.1016/j.gerinurse.2024.04.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 04/10/2024] [Accepted: 04/18/2024] [Indexed: 05/04/2024]
Abstract
INTRODUCTION This study aimed to examine baseline risk factors in Alzheimer's Disease (AD) and Vascular dementia (VaD) patients with neuropsychiatry symptoms (NPS), and determine whether specific risk factors differ by subtypes of dementia for AD and VaD patients with NPS. METHODS A retrospective data analysis was conducted to evaluate similarities and differences in the risk factors for AD and VaD with NPS. The analysis included 2949 patients with VaD and 6341 patients with clinical confirmation of AD and VaD with or without NPS collected between February 2016 and August 2021. The multivariate logistic regression analysis was used to determine the risk factors associated with AD and VaD with NPS, by predicting the increasing odds (odds ratios (ORs) of an association of a specific baseline risk factor with AD or VaD with NPS. The validity of the regression models was tested using a Hosmer-Lemeshow test, while the Receiver Operating Curve (ROC) was used to test the sensitivity of the models. RESULTS In the adjusted analysis TSH (OR = 1.781, 95 % CI, p = 0.0025) and CHF (OR = 1.620, 95 %, p = 0.016) were associated with VaD with NPS, while a history of emergency department(ED) admission (OR = 0.277, 95 % CI, p = 0.003) likely to be associated with VaD patients without NPS. For AD patients, a history of CVA (OR = 1.395, 95 % CI, p = 0.032) and cancer (OR = 1.485, 95 % CI, p = 0.013) were associated with AD patients with NPS. DISCUSSION The findings of this study indicate that an abnormal thyroid gland and CHF were linked to VaD patients with behavioral disturbances, while CVA and cancer were linked to AD patients with behavioral disturbances. These findings suggest the need to develop management strategies for the care of patients with AD and VaD with NPS.
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Affiliation(s)
- Mallory Gainey
- University of South Carolina, School of Medicine-Greenville, 701 Grove Rd, Greenville, SC, 29605, USA
| | - Addison Niles
- PRISMA Health UP-State South Carolina, 701 Grove Rd, Greenville, SC, 29605, USA
| | | | | | | | - Ohmar Win
- PRISMA Health UP-State South Carolina, 701 Grove Rd, Greenville, SC, 29605, USA
| | - Thomas I Nathaniel
- University of South Carolina, School of Medicine-Greenville, 701 Grove Rd, Greenville, SC, 29605, USA.
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3
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Rodriguez-Jimenez FJ, Ureña-Peralta J, Jendelova P, Erceg S. Alzheimer's disease and synapse Loss: What can we learn from induced pluripotent stem Cells? J Adv Res 2023; 54:105-118. [PMID: 36646419 DOI: 10.1016/j.jare.2023.01.006] [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: 09/16/2022] [Revised: 12/21/2022] [Accepted: 01/08/2023] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Synaptic dysfunction is a major contributor to Alzheimeŕs disease (AD) pathogenesis in addition to the formation of neuritic β-amyloid plaques and neurofibrillary tangles of hyperphosphorylated Tau protein. However, how these features contribute to synaptic dysfunction and axonal loss remains unclear. While years of considerable effort have been devoted to gaining an improved understanding of this devastating disease, the unavailability of patient-derived tissues, considerable genetic heterogeneity, and lack of animal models that faithfully recapitulate human AD have hampered the development of effective treatment options. Ongoing progress in human induced pluripotent stem cell (hiPSC) technology has permitted the derivation of patient- and disease-specific stem cells with unlimited self-renewal capacity. These cells can differentiate into AD-affected cell types, which support studies of disease mechanisms, drug discovery, and the development of cell replacement therapies in traditional and advanced cell culture models. AIM OF REVIEW To summarize current hiPSC-based AD models, highlighting the associated achievements and challenges with a primary focus on neuron and synapse loss. KEY SCIENTIFIC CONCEPTS OF REVIEW We aim to identify how hiPSC models can contribute to understanding AD-associated synaptic dysfunction and axonal loss. hiPSC-derived neural cells, astrocytes, and microglia, as well as more sophisticated cellular organoids, may represent reliable models to investigate AD and identify early markers of AD-associated neural degeneration.
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Affiliation(s)
- Francisco Javier Rodriguez-Jimenez
- Stem Cell Therapies in Neurodegenerative Diseases Lab., Centro de Investigación Principe Felipe (CIPF), c/ Eduardo Primo Yúfera 3, 46012 Valencia, Spain.
| | - Juan Ureña-Peralta
- Stem Cell Therapies in Neurodegenerative Diseases Lab., Centro de Investigación Principe Felipe (CIPF), c/ Eduardo Primo Yúfera 3, 46012 Valencia, Spain.
| | - Pavla Jendelova
- Institute of Experimental Medicine, Department of Neuroregeneration, Czech Academy of Science, Prague, Czech Republic.
| | - Slaven Erceg
- Stem Cell Therapies in Neurodegenerative Diseases Lab., Centro de Investigación Principe Felipe (CIPF), c/ Eduardo Primo Yúfera 3, 46012 Valencia, Spain; Institute of Experimental Medicine, Department of Neuroregeneration, Czech Academy of Science, Prague, Czech Republic; National Stem Cell Bank-Valencia Node, Centro de Investigacion Principe Felipe, c/ Eduardo Primo Yúfera 3, 46012 Valencia, Spain.
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Wężyk M, Berdyński M, Figarski A, Skrzypczak M, Ginalski K, Zboch M, Winkel I, Żekanowski C. Rare A360T Mutation Alters GSK3β(Ser9) Binding in the Cytosolic Loop of Presenilin 1, Influencing β-Catenin Nuclear Localization and Pro-Death Gene Expression in Alzheimer's Disease Case. Int J Mol Sci 2023; 24:16999. [PMID: 38069323 PMCID: PMC10707597 DOI: 10.3390/ijms242316999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/21/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Presenilin 1 (PS1) forms, via its large cytosolic loop, a trimeric complex with N-cadherin and β-catenin, which is a key component of Wnt signaling. PS1 undergoes phosphorylation at 353 and 357 serines upon enhanced activity and elevated levels of the GSK3β isoform. PS1 mutations surrounding these serines may alter the stability of the β-catenin complex. Such mutations are found in some cases of familial early-onset Alzheimer's disease (fEOAD), but their functional impact remains obscure. One of such variants of PS1, the A360T substitution, is located close to GSK3β-targeted serine residues. This variant was recently demonstrated in the French population, but more detail is needed to understand its biological effects. To assess the significance of this variant, we employed functional studies using a fibroblast cell line from an Alzheimer's disease case (a female proband) carrying the A360T mutation. Based on functional transcriptomic, cellular, and biochemical assays, we demonstrated atypically impaired β-catenin/GSK3β signaling in the A360T patient's fibroblasts. In detail, this was characterized by a decreased level of active cytosolic β-catenin and bound by PS1, an increased level of nuclear β-catenin, an increased level of inhibited GSK3β phosphorylated on Ser9, and enhanced interaction of GSK3β(Ser9) with PS1. Based on the transcriptomic profile of the A360T fibroblasts, we proposed a dysregulated transcriptional activity of β-catenin, exemplified by increased expression of various cyclin-dependent kinases and cyclins, such as cyclin D1, potentially inducing neurons' cell cycle re-entry followed by apoptosis. The A360T cells did not exhibit significant amyloid pathology. Therefore, cell death in this PS1 cytosolic loop mutation may be attributed to impaired β-catenin/GSK3β signaling rather than amyloid deposition per se. We further estimated the biological and clinical relevance of the A360T variant by whole exome sequencing (WES). WES was performed on DNA from the blood of an A360T female proband, as well as an unrelated male patient carrying the A360T mutation and his mutation-free daughter (both unavailable for the derivation of the fibroblast cell lines). WES confirmed the highest-priority AD causality of the A360T variant in PS1 and also profiled the pathways and processes involved in the A360T case, highlighting the greatest importance of altered Wnt signaling.
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Affiliation(s)
- Michalina Wężyk
- Department of Neurogenetics and Functional Genomics, Mossakowski Medical Research Institute, Polish Academy of Sciences, 5 Pawińskiego Street, 02-106 Warsaw, Poland (C.Ż.)
| | - Mariusz Berdyński
- Department of Neurogenetics and Functional Genomics, Mossakowski Medical Research Institute, Polish Academy of Sciences, 5 Pawińskiego Street, 02-106 Warsaw, Poland (C.Ż.)
| | - Adam Figarski
- Department of Neurogenetics and Functional Genomics, Mossakowski Medical Research Institute, Polish Academy of Sciences, 5 Pawińskiego Street, 02-106 Warsaw, Poland (C.Ż.)
| | - Magdalena Skrzypczak
- Department of Experimental Hematology, Institute of Hematology and Transfusion Medicine, 14 Indiry Gandhi Street, 02-776 Warsaw, Poland
| | - Krzysztof Ginalski
- Laboratory of Bioinformatics and Systems Biology, Centre of New Technologies, University of Warsaw, 93 Żwirki i Wigury Street, 02-089 Warsaw, Poland
| | - Marzena Zboch
- Research and Education Center for Dementia Diseases in Ścinawa, Alzheimer’s Center, 12 Jana Pawła II Street, 59-330 Ścinawa, Poland
| | - Izabela Winkel
- Research and Education Center for Dementia Diseases in Ścinawa, Alzheimer’s Center, 12 Jana Pawła II Street, 59-330 Ścinawa, Poland
| | - Cezary Żekanowski
- Department of Neurogenetics and Functional Genomics, Mossakowski Medical Research Institute, Polish Academy of Sciences, 5 Pawińskiego Street, 02-106 Warsaw, Poland (C.Ż.)
- Faculty of Physical Education, Gdansk University of Physical Education and Sport, Górskiego 1 Street, 80-336 Gdansk, Poland
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5
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Vanova T, Sedmik J, Raska J, Amruz Cerna K, Taus P, Pospisilova V, Nezvedova M, Fedorova V, Kadakova S, Klimova H, Capandova M, Orviska P, Fojtik P, Bartova S, Plevova K, Spacil Z, Hribkova H, Bohaciakova D. Cerebral organoids derived from patients with Alzheimer's disease with PSEN1/2 mutations have defective tissue patterning and altered development. Cell Rep 2023; 42:113310. [PMID: 37864790 DOI: 10.1016/j.celrep.2023.113310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 08/09/2023] [Accepted: 10/04/2023] [Indexed: 10/23/2023] Open
Abstract
During the past two decades, induced pluripotent stem cells (iPSCs) have been widely used to study human neural development and disease. Especially in the field of Alzheimer's disease (AD), remarkable effort has been put into investigating molecular mechanisms behind this disease. Then, with the advent of 3D neuronal cultures and cerebral organoids (COs), several studies have demonstrated that this model can adequately mimic familial and sporadic AD. Therefore, we created an AD-CO model using iPSCs derived from patients with familial AD forms and explored early events and the progression of AD pathogenesis. Our study demonstrated that COs derived from three AD-iPSC lines with PSEN1(A246E) or PSEN2(N141I) mutations developed the AD-specific markers in vitro, yet they also uncover tissue patterning defects and altered development. These findings are complemented by single-cell sequencing data confirming this observation and uncovering that neurons in AD-COs likely differentiate prematurely.
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Affiliation(s)
- Tereza Vanova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic; International Clinical Research Center (ICRC), St. Anne's University Hospital, 60200 Brno, Czech Republic
| | - Jiri Sedmik
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Jan Raska
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic; International Clinical Research Center (ICRC), St. Anne's University Hospital, 60200 Brno, Czech Republic
| | - Katerina Amruz Cerna
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Petr Taus
- Central European Institute of Technology, Masaryk University, 62500 Brno, Czech Republic
| | - Veronika Pospisilova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Marketa Nezvedova
- RECETOX, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic
| | - Veronika Fedorova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Sona Kadakova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Hana Klimova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Michaela Capandova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Petra Orviska
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Petr Fojtik
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic; International Clinical Research Center (ICRC), St. Anne's University Hospital, 60200 Brno, Czech Republic
| | - Simona Bartova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Karla Plevova
- Central European Institute of Technology, Masaryk University, 62500 Brno, Czech Republic; Institute of Medical Genetics and Genomics, University Hospital Brno and Faculty of Medicine, Masaryk University, 61300 Brno, Czech Republic
| | - Zdenek Spacil
- RECETOX, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic
| | - Hana Hribkova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic
| | - Dasa Bohaciakova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic; International Clinical Research Center (ICRC), St. Anne's University Hospital, 60200 Brno, Czech Republic.
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Hu ML, Pan YR, Yong YY, Liu Y, Yu L, Qin DL, Qiao G, Law BYK, Wu JM, Zhou XG, Wu AG. Poly (ADP-ribose) polymerase 1 and neurodegenerative diseases: Past, present, and future. Ageing Res Rev 2023; 91:102078. [PMID: 37758006 DOI: 10.1016/j.arr.2023.102078] [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: 02/13/2023] [Revised: 08/30/2023] [Accepted: 09/22/2023] [Indexed: 09/29/2023]
Abstract
Poly (ADP-ribose) polymerase 1 (PARP1) is a first responder that recognizes DNA damage and facilitates its repair. Neurodegenerative diseases, characterized by progressive neuron loss driven by various risk factors, including DNA damage, have increasingly shed light on the pivotal involvement of PARP1. During the early phases of neurodegenerative diseases, PARP1 experiences controlled activation to swiftly address mild DNA damage, thereby contributing to maintain brain homeostasis. However, in late stages, exacerbated PARP1 activation precipitated by severe DNA damage exacerbates the disease condition. Consequently, inhibition of PARP1 overactivation emerges as a promising therapeutic approach for neurodegenerative diseases. In this review, we comprehensively synthesize and explore the multifaceted role of PARP1 in neurodegenerative diseases, with a particular emphasis on its over-activation in the aggregation of misfolded proteins, dysfunction of the autophagy-lysosome pathway, mitochondrial dysfunction, neuroinflammation, and blood-brain barrier (BBB) injury. Additionally, we encapsulate the therapeutic applications and limitations intrinsic of PARP1 inhibitors, mainly including limited specificity, intricate pathway dynamics, constrained clinical translation, and the heterogeneity of patient cohorts. We also explore and discuss the potential synergistic implementation of these inhibitors alongside other agents targeting DNA damage cascades within neurodegenerative diseases. Simultaneously, we propose several recommendations for the utilization of PARP1 inhibitors within the realm of neurodegenerative disorders, encompassing factors like the disease-specific roles of PARP1, combinatorial therapeutic strategies, and personalized medical interventions. Lastly, the encompassing review presents a forward-looking perspective along with strategic recommendations that could guide future research endeavors in this field.
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Affiliation(s)
- Meng-Ling Hu
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Yi-Ru Pan
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Yuan-Yuan Yong
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Yi Liu
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Lu Yu
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Da-Lian Qin
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Gan Qiao
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Betty Yuen-Kwan Law
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Jian-Ming Wu
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China.
| | - Xiao-Gang Zhou
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China.
| | - An-Guo Wu
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China; State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau 999078, China.
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Qu W, Canoll P, Hargus G. Molecular Insights into Cell Type-specific Roles in Alzheimer's Disease: Human Induced Pluripotent Stem Cell-based Disease Modelling. Neuroscience 2023; 518:10-26. [PMID: 35569647 PMCID: PMC9974106 DOI: 10.1016/j.neuroscience.2022.05.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 05/04/2022] [Accepted: 05/06/2022] [Indexed: 10/18/2022]
Abstract
Alzheimer's disease (AD) is the most common cause of dementia resulting in widespread degeneration of the central nervous system with severe cognitive impairment. Despite the devastating toll of AD, the incomplete understanding of the complex molecular mechanisms hinders the expeditious development of effective cures. Emerging evidence from animal studies has shown that different brain cell types play distinct roles in the pathogenesis of AD. Glutamatergic neurons are preferentially affected in AD and pronounced gliosis contributes to the progression of AD in both a cell-autonomous and a non-cell-autonomous manner. Much has been discovered through genetically modified animal models, yet frequently failed translational attempts to clinical applications call for better disease models. Emerging evidence supports the significance of human-induced pluripotent stem cell (iPSC) derived brain cells in modeling disease development and progression, opening new avenues for the discovery of molecular mechanisms. This review summarizes the function of different cell types in the pathogenesis of AD, such as neurons, microglia, and astrocytes, and recognizes the potential of utilizing the rapidly growing iPSC technology in modeling AD.
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Affiliation(s)
- Wenhui Qu
- Department of Pathology and Cell Biology, Columbia University, New York, NY, United States; Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Columbia University, New York, NY, United States
| | - Peter Canoll
- Department of Pathology and Cell Biology, Columbia University, New York, NY, United States
| | - Gunnar Hargus
- Department of Pathology and Cell Biology, Columbia University, New York, NY, United States; Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Columbia University, New York, NY, United States.
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8
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Pan M, Li X, Xu G, Tian X, Li Y, Fang W. Tripartite Motif Protein Family in Central Nervous System Diseases. Cell Mol Neurobiol 2023:10.1007/s10571-023-01337-5. [PMID: 36988770 DOI: 10.1007/s10571-023-01337-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 03/13/2023] [Indexed: 03/30/2023]
Abstract
Tripartite motif (TRIM) protein superfamily is a group of E3 ubiquitin ligases characterized by the conserved RING domain, the B-box domain, and the coiled-coil domain (RBCC). It is widely involved in various physiological and pathological processes, such as intracellular signal transduction, cell cycle regulation, oncogenesis, and innate immune response. Central nervous system (CNS) diseases are composed of encephalopathy and spinal cord diseases, which have a high disability and mortality rate. Patients are often unable to take care of themselves and their life quality can be seriously declined. Initially, the function research of TRIM proteins mainly focused on cancer. However, in recent years, accumulating attention is paid to the roles they play in CNS diseases. In this review, we integrate the reported roles of TRIM proteins in the pathological process of CNS diseases and related signaling pathways, hoping to provide theoretical bases for further research in treating CNS diseases targeting TRIM proteins. TRIM proteins participated in CNS diseases. TRIM protein family is characterized by a highly conserved RBCC domain, referring to the RING domain, the B-box domain, and the coiled-coil domain. Recent research has discovered the relations between TRIM proteins and various CNS diseases, especially Alzheimer's disease, Parkinson's disease, and ischemic stroke.
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Affiliation(s)
- Mengtian Pan
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Tongjiaxiang 24, Nanjing, Jiangsu, 210009, People's Republic of China
| | - Xiang Li
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Tongjiaxiang 24, Nanjing, Jiangsu, 210009, People's Republic of China
| | - Guangchen Xu
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Tongjiaxiang 24, Nanjing, Jiangsu, 210009, People's Republic of China
| | - Xinjuan Tian
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Tongjiaxiang 24, Nanjing, Jiangsu, 210009, People's Republic of China
| | - Yunman Li
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Tongjiaxiang 24, Nanjing, Jiangsu, 210009, People's Republic of China.
| | - Weirong Fang
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Tongjiaxiang 24, Nanjing, Jiangsu, 210009, People's Republic of China.
- Department of Physiology, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Mailbox 207, Tongjiaxiang 24, Nanjing, Jiangsu, 210009, People's Republic of China.
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9
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Bhardwaj A, Liyanage SI, Weaver DF. Cancer and Alzheimer's Inverse Correlation: an Immunogenetic Analysis. Mol Neurobiol 2023; 60:3086-3099. [PMID: 36797545 DOI: 10.1007/s12035-023-03260-8] [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: 12/06/2022] [Accepted: 02/05/2023] [Indexed: 02/18/2023]
Abstract
Numerous studies have demonstrated an inverse link between cancer and Alzheimer's disease (AD), with data suggesting that people with Alzheimer's have a decreased risk of cancer and vice versa. Although other studies have investigated mechanisms to explain this relationship, the connection between these two diseases remains largely unexplained. Processes seen in cancer, such as decreased apoptosis and increased cell proliferation, seem to be reversed in AD. Given the need for effective therapeutic strategies for AD, comparisons with cancer could yield valuable insights into the disease process and perhaps result in new treatments. Here, through a review of existing literature, we compared the expressions of genes involved in cell proliferation and apoptosis to establish a genetic basis for the reciprocal association between AD and cancer. We discuss an array of genes involved in the aforementioned processes, their relevance to both diseases, and how changes in those genes produce varying effects in either disease.
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Affiliation(s)
- Aditya Bhardwaj
- Krembil Discovery Tower, Krembil Brain Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON, M5T 0S8, Canada
| | - S Imindu Liyanage
- Krembil Discovery Tower, Krembil Brain Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON, M5T 0S8, Canada
| | - Donald F Weaver
- Krembil Discovery Tower, Krembil Brain Institute, Toronto Western Hospital, University Health Network, 60 Leonard Avenue, Toronto, ON, M5T 0S8, Canada.
- Departments of Medicine and Chemistry, University of Toronto, Toronto, Canada.
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Downregulation of CDC25C in NPCs Disturbed Cortical Neurogenesis. Int J Mol Sci 2023; 24:ijms24021505. [PMID: 36675024 PMCID: PMC9863197 DOI: 10.3390/ijms24021505] [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: 12/11/2022] [Revised: 01/04/2023] [Accepted: 01/09/2023] [Indexed: 01/13/2023] Open
Abstract
Cell division regulators play a vital role in neural progenitor cell (NPC) proliferation and differentiation. Cell division cycle 25C (CDC25C) is a member of the CDC25 family of phosphatases which positively regulate cell division by activating cyclin-dependent protein kinases (CDKs). However, mice with the Cdc25c gene knocked out were shown to be viable and lacked the apparent phenotype due to genetic compensation by Cdc25a and/or Cdc25b. Here, we investigate the function of Cdc25c in developing rat brains by knocking down Cdc25c in NPCs using in utero electroporation. Our results indicate that Cdc25c plays an essential role in maintaining the proliferative state of NPCs during cortical development. The knockdown of Cdc25c causes early cell cycle exit and the premature differentiation of NPCs. Our study uncovers a novel role of CDC25C in NPC division and cell fate determination. In addition, our study presents a functional approach to studying the role of genes, which elicit genetic compensation with knockout, in cortical neurogenesis by knocking down in vivo.
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Konopka A, Atkin JD. The Role of DNA Damage in Neural Plasticity in Physiology and Neurodegeneration. Front Cell Neurosci 2022; 16:836885. [PMID: 35813507 PMCID: PMC9259845 DOI: 10.3389/fncel.2022.836885] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 05/09/2022] [Indexed: 12/15/2022] Open
Abstract
Damage to DNA is generally considered to be a harmful process associated with aging and aging-related disorders such as neurodegenerative diseases that involve the selective death of specific groups of neurons. However, recent studies have provided evidence that DNA damage and its subsequent repair are important processes in the physiology and normal function of neurons. Neurons are unique cells that form new neural connections throughout life by growth and re-organisation in response to various stimuli. This “plasticity” is essential for cognitive processes such as learning and memory as well as brain development, sensorial training, and recovery from brain lesions. Interestingly, recent evidence has suggested that the formation of double strand breaks (DSBs) in DNA, the most toxic form of damage, is a physiological process that modifies gene expression during normal brain activity. Together with subsequent DNA repair, this is thought to underlie neural plasticity and thus control neuronal function. Interestingly, neurodegenerative diseases such as Alzheimer’s disease, amyotrophic lateral sclerosis, frontotemporal dementia, and Huntington’s disease, manifest by a decline in cognitive functions, which are governed by plasticity. This suggests that DNA damage and DNA repair processes that normally function in neural plasticity may contribute to neurodegeneration. In this review, we summarize current understanding about the relationship between DNA damage and neural plasticity in physiological conditions, as well as in the pathophysiology of neurodegenerative diseases.
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Affiliation(s)
- Anna Konopka
- Centre for Motor Neuron Disease Research, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, NSW, Australia
- *Correspondence: Anna Konopka
| | - Julie D. Atkin
- Centre for Motor Neuron Disease Research, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, NSW, Australia
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC, Australia
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Shadfar S, Brocardo M, Atkin JD. The Complex Mechanisms by Which Neurons Die Following DNA Damage in Neurodegenerative Diseases. Int J Mol Sci 2022; 23:ijms23052484. [PMID: 35269632 PMCID: PMC8910227 DOI: 10.3390/ijms23052484] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/12/2022] [Accepted: 02/17/2022] [Indexed: 01/18/2023] Open
Abstract
Human cells are exposed to numerous exogenous and endogenous insults every day. Unlike other molecules, DNA cannot be replaced by resynthesis, hence damage to DNA can have major consequences for the cell. The DNA damage response contains overlapping signalling networks that repair DNA and hence maintain genomic integrity, and aberrant DNA damage responses are increasingly described in neurodegenerative diseases. Furthermore, DNA repair declines during aging, which is the biggest risk factor for these conditions. If unrepaired, the accumulation of DNA damage results in death to eliminate cells with defective genomes. This is particularly important for postmitotic neurons because they have a limited capacity to proliferate, thus they must be maintained for life. Neuronal death is thus an important process in neurodegenerative disorders. In addition, the inability of neurons to divide renders them susceptible to senescence or re-entry to the cell cycle. The field of cell death has expanded significantly in recent years, and many new mechanisms have been described in various cell types, including neurons. Several of these mechanisms are linked to DNA damage. In this review, we provide an overview of the cell death pathways induced by DNA damage that are relevant to neurons and discuss the possible involvement of these mechanisms in neurodegenerative conditions.
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Affiliation(s)
- Sina Shadfar
- Centre for Motor Neuron Disease Research, Macquarie Medical School, Macquarie University, Sydney, NSW 2109, Australia; (S.S.); (M.B.)
| | - Mariana Brocardo
- Centre for Motor Neuron Disease Research, Macquarie Medical School, Macquarie University, Sydney, NSW 2109, Australia; (S.S.); (M.B.)
| | - Julie D. Atkin
- Centre for Motor Neuron Disease Research, Macquarie Medical School, Macquarie University, Sydney, NSW 2109, Australia; (S.S.); (M.B.)
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Melbourne, VIC 3086, Australia
- Correspondence:
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Preferential Involvement of BRCA1/BARD1, Not Tip60/Fe65, in DNA Double-Strand Break Repair in Presenilin-1 P117L Alzheimer Models. Neural Plast 2022; 2022:3172861. [PMID: 35237315 PMCID: PMC8885292 DOI: 10.1155/2022/3172861] [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: 08/09/2021] [Revised: 01/11/2022] [Accepted: 01/28/2022] [Indexed: 11/20/2022] Open
Abstract
Recently, we showed that DNA double-strand breaks (DSBs) are increased by the Aβ42-amyloid peptide and decreased by all-trans retinoic acid (RA) in SH-SY5Y cells and C57BL/6J mice. The present work was aimed at investigating DSBs in cells and murine models of Alzheimer's disease carrying the preseniline-1 (PS1) P117L mutation. We observed that DSBs could hardly decrease following RA treatment in the mutated cells compared to the wild-type cells. The activation of the amyloidogenic pathway is proposed in the former case as Aβ42- and RA-dependent DSBs changes were reproduced by an α-secretase and a γ-secretase inhibitions, respectively. Unexpectedly, the PS1 P117L cells showed lower DSB levels than the controls. As the DSB repair proteins Tip60 and Fe65 were less expressed in the mutated cell nuclei, they do not appear to contribute to this difference. On the contrary, full-length BRCA1 and BARD1 proteins were significantly increased in the chromatin compartment of the mutated cells, suggesting that they decrease DSBs in the pathological situation. These Western blot data were corroborated by in situ proximity ligation assays: the numbers of BRCA1-BARD1, not of Fe65-Tip60 heterodimers, were increased only in the mutated cell nuclei. RA also enhanced the expression of BARD1 and of the 90 kDa BRCA1 isoform. The increased BRCA1 expression in the mutated cells can be related to the enhanced difficulty to inhibit this pathway by BRCA1 siRNA in these cells. Overall, our study suggests that at earlier stages of the disease, similarly to PS1 P117L cells, a compensatory mechanism exists that decreases DSB levels via an activation of the BRCA1/BARD1 pathway. This supports the importance of this pathway in neuroprotection against Alzheimer's disease.
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Barak M, Fedorova V, Pospisilova V, Raska J, Vochyanova S, Sedmik J, Hribkova H, Klimova H, Vanova T, Bohaciakova D. Human iPSC-Derived Neural Models for Studying Alzheimer's Disease: from Neural Stem Cells to Cerebral Organoids. Stem Cell Rev Rep 2022; 18:792-820. [PMID: 35107767 PMCID: PMC8930932 DOI: 10.1007/s12015-021-10254-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2021] [Indexed: 12/05/2022]
Abstract
During the past two decades, induced pluripotent stem cells (iPSCs) have been widely used to study mechanisms of human neural development, disease modeling, and drug discovery in vitro. Especially in the field of Alzheimer’s disease (AD), where this treatment is lacking, tremendous effort has been put into the investigation of molecular mechanisms behind this disease using induced pluripotent stem cell-based models. Numerous of these studies have found either novel regulatory mechanisms that could be exploited to develop relevant drugs for AD treatment or have already tested small molecules on in vitro cultures, directly demonstrating their effect on amelioration of AD-associated pathology. This review thus summarizes currently used differentiation strategies of induced pluripotent stem cells towards neuronal and glial cell types and cerebral organoids and their utilization in modeling AD and potential drug discovery.
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Affiliation(s)
- Martin Barak
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Veronika Fedorova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Veronika Pospisilova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Jan Raska
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Simona Vochyanova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Jiri Sedmik
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
- International Clinical Research Center, St. Anne's Faculty Hospital Brno, Brno, Czech Republic
| | - Hana Hribkova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Hana Klimova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Tereza Vanova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
- International Clinical Research Center, St. Anne's Faculty Hospital Brno, Brno, Czech Republic
| | - Dasa Bohaciakova
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic.
- International Clinical Research Center, St. Anne's Faculty Hospital Brno, Brno, Czech Republic.
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Tecalco-Cruz AC, Pedraza-Chaverri J, Briones-Herrera A, Cruz-Ramos E, López-Canovas L, Zepeda-Cervantes J. Protein degradation-associated mechanisms that are affected in Alzheimer´s disease. Mol Cell Biochem 2022; 477:915-925. [PMID: 35083609 DOI: 10.1007/s11010-021-04334-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 12/15/2021] [Indexed: 12/28/2022]
Abstract
Alzheimer's disease (AD) is the most common type of dementia associated with age-related neurodegeneration. Alteration of several molecular mechanisms has been correlated with the progression of AD. In recent years, dysregulation of proteostasis-associated pathways has emerged as a potential risk factor for neurodegenerative diseases. This review investigated the ubiquitin-proteasome system, lysosome-associated degradation, endoplasmic-reticulum-associated degradation, and the formation of advanced glycation end products. These pathways involved in proteostasis have been reported to be altered in AD, suggesting that their study may be critical for identifying new biomarkers and target molecules for AD.
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Affiliation(s)
- Angeles C Tecalco-Cruz
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México (UACM), Apdo. Postal 03100, Ciudad de México, Mexico.
| | - José Pedraza-Chaverri
- Departamento de Biología. Facultad de Química, Universidad Nacional Autónoma de México, Apdo. Postal 04510, Ciudad de México, Mexico
| | - Alfredo Briones-Herrera
- Departamento de Biología. Facultad de Química, Universidad Nacional Autónoma de México, Apdo. Postal 04510, Ciudad de México, Mexico
| | - Eduardo Cruz-Ramos
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México (UACM), Apdo. Postal 03100, Ciudad de México, Mexico
| | - Lilia López-Canovas
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México (UACM), Apdo. Postal 03100, Ciudad de México, Mexico
| | - Jesús Zepeda-Cervantes
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Apdo. Postal 04510, Ciudad de México, Mexico
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Human-Induced Pluripotent Stem Cell-Based Models for Studying Sex-Specific Differences in Neurodegenerative Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1387:57-88. [PMID: 34921676 DOI: 10.1007/5584_2021_683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The prevalence of neurodegenerative diseases is steadily increasing worldwide, and epidemiological studies strongly suggest that many of the diseases are sex-biased. It has long been suggested that biological sex differences are crucial for neurodegenerative diseases; however, how biological sex affects disease initiation, progression, and severity is not well-understood. Sex is a critical biological variable that should be taken into account in basic research, and this review aims to highlight the utility of human-induced pluripotent stem cells (iPSC)-derived models for studying sex-specific differences in neurodegenerative diseases, with advantages and limitations. In vitro systems utilizing species-specific, renewable, and physiologically relevant cell sources can provide powerful platforms for mechanistic studies, toxicity testings, and drug discovery. Matched healthy, patient-derived, and gene-corrected human iPSCs, from both sexes, can be utilized to generate neuronal and glial cell types affected by specific neurodegenerative diseases to study sex-specific differences in two-dimensional (2D) and three-dimensional (3D) human culture systems. Such relatively simple and well-controlled systems can significantly contribute to the elucidation of molecular mechanisms underlying sex-specific differences, which can yield effective, and potentially sex-based strategies, against neurodegenerative diseases.
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Engrafted stem cell therapy for Alzheimer's disease: A promising treatment strategy with clinical outcome. J Control Release 2021; 338:837-857. [PMID: 34509587 DOI: 10.1016/j.jconrel.2021.09.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 09/06/2021] [Accepted: 09/07/2021] [Indexed: 12/27/2022]
Abstract
To date, although the microscopic alterations present in Alzheimer's disease (AD) have been well known for over a century only a handful of symptomatic treatments have been developed which are a far cry from a full cure providing volatile benefits. In this context, the intervention of stem cell therapy (SCT) has been proposed as an auxiliary treatment for AD as suggested by the rising number of pre-clinical studies that stem cell engraftment could provide an exciting future treatment regimen against neurodegeneration. Although, most of the primary enthusiasm about this approach was based on replacing deteriorating neurons, the latest studies have implied that the positive modulations fostered by stem cells are fuelled by bystander effects. Present review provides a detailed update on stem cell therapy for AD along with meticulous discussion regarding challenges in developing different stem cells from an aspect of experiment to clinical research and their potential in the milieu of AD hallmarks. Specifically, we focus and provide in depth view on recent advancements in the discipline of SCT aiming to repopulate or regenerate the degenerating neuronal circuitry in AD using stem-cell-on-a-chip and 3D bioprinting techniques. The focus is specifically on the successful restoration of cognitive functions upon engraftment of stem cells on in vivo models for the benefit of the current researchers and their understanding about the status of SCT in AD and finally summarizing on what future holds for SCT in the treatment of AD.
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Iatrou A, Clark EM, Wang Y. Nuclear dynamics and stress responses in Alzheimer's disease. Mol Neurodegener 2021; 16:65. [PMID: 34535174 PMCID: PMC8447732 DOI: 10.1186/s13024-021-00489-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 09/01/2021] [Indexed: 02/06/2023] Open
Abstract
In response to extracellular and intracellular stressors, the nucleus and nuclear compartments undergo distinct molecular changes to maintain cell homeostasis. In the context of Alzheimer’s disease, misfolded proteins and various cellular stressors lead to profound structural and molecular changes at the nucleus. This review summarizes recent research on nuclear alterations in AD development, from the nuclear envelope changes to chromatin and epigenetic regulation and then to common nuclear stress responses. Finally, we provide our thoughts on the importance of understanding cell-type-specific changes and identifying upstream causal events in AD pathogenesis and highlight novel sequencing and gene perturbation technologies to address those challenges.
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Affiliation(s)
- Artemis Iatrou
- Rush Alzheimer's Disease Center, Rush University Medical Center, 1750 W. Harrison St., Chicago, IL, 60612, USA
| | - Eric M Clark
- Rush Alzheimer's Disease Center, Rush University Medical Center, 1750 W. Harrison St., Chicago, IL, 60612, USA
| | - Yanling Wang
- Rush Alzheimer's Disease Center, Rush University Medical Center, 1750 W. Harrison St., Chicago, IL, 60612, USA.
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Bergantin LB. Diabetes and inflammatory diseases: An overview from the perspective of Ca 2+/3'-5'-cyclic adenosine monophosphate signaling. World J Diabetes 2021; 12:767-779. [PMID: 34168726 PMCID: PMC8192245 DOI: 10.4239/wjd.v12.i6.767] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 12/29/2020] [Accepted: 03/08/2021] [Indexed: 02/06/2023] Open
Abstract
A large amount of evidence has supported a clinical link between diabetes and inflammatory diseases, e.g., cancer, dementia, and hypertension. In addition, it is also suggested that dysregulations related to Ca2+ signaling could link these diseases, in addition to 3'-5'-cyclic adenosine monophosphate (cAMP) signaling pathways. Thus, revealing this interplay between diabetes and inflammatory diseases may provide novel insights into the pathogenesis of these diseases. Publications involving signaling pathways related to Ca2+ and cAMP, inflammation, diabetes, dementia, cancer, and hypertension (alone or combined) were collected by searching PubMed and EMBASE. Both signaling pathways, Ca2+ and cAMP signaling, control the release of neurotransmitters and hormones, in addition to neurodegeneration, and tumor growth. Furthermore, there is a clear relationship between Ca2+ signaling, e.g., increased Ca2+ signals, and inflammatory responses. cAMP also regulates pro- and anti-inflammatory responses. Due to the experience of our group in this field, this article discusses the role of Ca2+ and cAMP signaling in the correlation between diabetes and inflammatory diseases, including its pharmacological implications. As a novelty, this article also includes: (1) A timeline of the major events in Ca2+/cAMP signaling; and (2) As coronavirus disease 2019 (COVID-19) is an emerging and rapidly evolving situation, this article also discusses recent reports on the role of Ca2+ channel blockers for preventing Ca2+ signaling disruption due to COVID-19, including the correlation between COVID-19 and diabetes.
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20
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Leung E, Hazrati LN. Breast cancer type 1 and neurodegeneration: consequences of deficient DNA repair. Brain Commun 2021; 3:fcab117. [PMID: 34222870 PMCID: PMC8242133 DOI: 10.1093/braincomms/fcab117] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/09/2021] [Accepted: 04/13/2021] [Indexed: 12/20/2022] Open
Abstract
Numerous cellular processes, including toxic protein aggregation and oxidative stress, have been studied extensively as potential mechanisms underlying neurodegeneration. However, limited therapeutic efficacy targeting these processes has prompted other mechanisms to be explored. Previous research has emphasized a link between cellular senescence and neurodegeneration, where senescence induced by excess DNA damage and deficient DNA repair results in structural and functional changes that ultimately contribute to brain dysfunction and increased vulnerability for neurodegeneration. Specific DNA repair proteins, such as breast cancer type 1, have been associated with both stress-induced senescence and neurodegenerative diseases, however, specific mechanisms remain unclear. Therefore, this review explores DNA damage-induced senescence in the brain as a driver of neurodegeneration, with particular focus on breast cancer type 1, and its potential contribution to sex-specific differences associated with neurodegenerative disease.
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Affiliation(s)
- Emily Leung
- Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 Kings College Cir, Toronto, ON M5S 1A8, Canada
- The Hospital for Sick Children, 555 University Ave, Toronto, ON M5G 1X8, Canada
| | - Lili-Naz Hazrati
- Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 Kings College Cir, Toronto, ON M5S 1A8, Canada
- The Hospital for Sick Children, 555 University Ave, Toronto, ON M5G 1X8, Canada
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The Moringin/α-CD Pretreatment Induces Neuroprotection in an In Vitro Model of Alzheimer's Disease: A Transcriptomic Study. Curr Issues Mol Biol 2021; 43:197-214. [PMID: 34073287 PMCID: PMC8929117 DOI: 10.3390/cimb43010017] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/19/2021] [Accepted: 05/24/2021] [Indexed: 12/23/2022] Open
Abstract
Alzheimer’s disease (AD) is a progressive neurodegenerative disorder and represents the most common form of senile dementia. Autophagy and mitophagy are cellular processes that play a key role in the aggregation of β-amyloid (Aβ) and tau phosphorylation. As a consequence, impairment of these processes leads to the progression of AD. Thus, interest is growing in the search for new natural compounds, such as Moringin (MOR), with neuroprotective, anti-amyloidogenic, antioxidative, and anti-inflammatory properties that could be used for AD prevention. However, MOR appears to be poorly soluble and stable in water. To increase its solubility MOR was conjugated with α-cyclodextrin (MOR/α-CD). In this work, it was evaluated if MOR/α-CD pretreatment was able to exert neuroprotective effects in an AD in vitro model through the evaluation of the transcriptional profile by next-generation sequencing (NGS). To induce the AD model, retinoic acid-differentiated SH-SY5Y cells were exposed to Aβ1-42. The MOR/α-CD pretreatment reduced the expression of the genes which encode proteins involved in senescence, autophagy, and mitophagy processes. Additionally, MOR/α-CD was able to induce neuronal remodeling modulating the axon guidance, principally downregulating the Slit/Robo signaling pathway. Noteworthy, MOR/α-CD, modulating these important pathways, may induce neuronal protection against Aβ1-42 toxicity as demonstrated also by the reduction of cleaved caspase 3. These data indicated that MOR/α-CD could attenuate the progression of the disease and promote neuronal repair.
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Cancer Patients Have an Increased Incidence of Dementia: A Retrospective Cohort Study of 185,736 Outpatients in Germany. Cancers (Basel) 2021; 13:cancers13092027. [PMID: 33922235 PMCID: PMC8122712 DOI: 10.3390/cancers13092027] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/18/2021] [Accepted: 04/19/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Cancer is the second leading cause of death worldwide and incidence rates for several tumor entities are rising. Many patients develop additional comorbidities after cancer diagnosis. Among these, several psychological morbidities have been extensively studied in the past, but findings on the association between cancer and dementia have remained conflicting. We showed that the overall cumulative incidence of dementia was significantly higher in cancer patients than in non-cancer patients, which should raise awareness of this important comorbidity in cancer patients. Abstract Background: Cancer is the second leading cause of death worldwide and incidence rates for several tumor entities are rising. In addition to a high cancer-specific mortality rate, many cancer patients also suffer from additional comorbidities. Among these, several psychological morbidities have been extensively studied in the past, but findings on the association between cancer and dementia have remained conflicting. In the present study, we evaluated the possibility of an association between cancer and dementia. Methods: Based on data from the IQVIA Disease Analyzer database, a total of 92,868 cancer outpatients initially diagnosed between 2000 and 2018 were matched by age, gender, index year, and yearly consultation frequency to 92,868 individuals without cancer. Ten-year incidence rates of dementia were compared for the two cohorts. Results: The overall cumulative incidence of dementia was significantly higher in cancer patients (19.7%) than in non-cancer patients (16.7%, p < 0.001). Cox regression models confirmed that this association was significant for both male (HR: 1.35 [1.30–1.41], p < 0.001) and female (HR: 1.26 [1.21–1.31], p < 0.001) patients and was consistent among all age groups analyzed (65–70, 71–75, 76–80, 81–85, and >85 years). In addition, the association between cancer and dementia was significant for all cancer entities analyzed (skin, digestive organs, prostate, breast, urinary tract, lymphoid and hematopoietic tissue, and lung cancer) and most pronounced in patients with lung cancer (HR: 1.44 [1.28–1.62], p < 0.001). Conclusions: Our data provide strong evidence for an increased incidence of dementia in a large cohort of patients with different cancer entities, which should raise awareness of this important comorbidity in cancer patients.
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Crosstalk between Different DNA Repair Pathways Contributes to Neurodegenerative Diseases. BIOLOGY 2021; 10:biology10020163. [PMID: 33669593 PMCID: PMC7922961 DOI: 10.3390/biology10020163] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/11/2021] [Accepted: 02/16/2021] [Indexed: 02/07/2023]
Abstract
Simple Summary Constant exposure to endogenous and environmental factors induces oxidative stress and DNA damage. Rare brain disorders caused by defects in DNA repair and DNA damage response (DDR) signaling establish that failure to process DNA damage may lead to neurodegeneration. In this review, we present mechanisms that link DDR with neurodegeneration in these disorders and discuss their relevance for common age-related neurodegenerative diseases (NDDs). Moreover, we highlight recent insight into the crosstalk between the DDR and other cellular processes known to be disturbed during NDDs. Abstract Genomic integrity is maintained by DNA repair and the DNA damage response (DDR). Defects in certain DNA repair genes give rise to many rare progressive neurodegenerative diseases (NDDs), such as ocular motor ataxia, Huntington disease (HD), and spinocerebellar ataxias (SCA). Dysregulation or dysfunction of DDR is also proposed to contribute to more common NDDs, such as Parkinson’s disease (PD), Alzheimer’s disease (AD), and Amyotrophic Lateral Sclerosis (ALS). Here, we present mechanisms that link DDR with neurodegeneration in rare NDDs caused by defects in the DDR and discuss the relevance for more common age-related neurodegenerative diseases. Moreover, we highlight recent insight into the crosstalk between the DDR and other cellular processes known to be disturbed during NDDs. We compare the strengths and limitations of established model systems to model human NDDs, ranging from C. elegans and mouse models towards advanced stem cell-based 3D models.
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Si Z, Wang X. Stem Cell Therapies in Alzheimer's Disease: Applications for Disease Modeling. J Pharmacol Exp Ther 2021; 377:207-217. [PMID: 33558427 DOI: 10.1124/jpet.120.000324] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 02/03/2021] [Indexed: 12/19/2022] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease with complex pathologic and biologic characteristics. Extracellular β-amyloid deposits, such as senile plaques, and intracellular aggregation of hyperphosphorylated tau, such as neurofibrillary tangles, remain the main neuropathological criteria for the diagnosis of AD. There is currently no effective treatment of the disease, and many clinical trials have failed to prove any benefits of new therapeutics. More recently, there has been increasing interest in harnessing the potential of stem cell technologies for drug discovery, disease modeling, and cell therapies, which have been used to study an array of human conditions, including AD. The recently developed and optimized induced pluripotent stem cell (iPSC) technology is a critical platform for screening anti-AD drugs and understanding mutations that modify AD. Neural stem cell (NSC) transplantation has been investigated as a new therapeutic approach to treat neurodegenerative diseases. Mesenchymal stem cells (MSCs) also exhibit considerable potential to treat neurodegenerative diseases by secreting growth factors and exosomes, attenuating neuroinflammation. This review highlights recent progress in stem cell research and the translational applications and challenges of iPSCs, NSCs, and MSCs as treatment strategies for AD. Even though these treatments are still in relative infancy, these developing stem cell technologies hold considerable promise to combat AD and other neurodegenerative disorders. SIGNIFICANCE STATEMENT: Alzheimer's disease (AD) is a neurodegenerative disease that results in learning and memory defects. Although some drugs have been approved for AD treatment, fewer than 20% of patients with AD benefit from these drugs. Therapies based on stem cells, including induced pluripotent stem cells, neural stem cells, and mesenchymal stem cells, provide promising therapeutic strategies for AD.
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Affiliation(s)
- Zizhen Si
- Department of Physiology and Pharmacology, School of Medicine, Ningbo University, Ningbo, China (Z.S.) and Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China (X.W.)
| | - Xidi Wang
- Department of Physiology and Pharmacology, School of Medicine, Ningbo University, Ningbo, China (Z.S.) and Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China (X.W.)
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Colnaghi L, Rondelli D, Muzi-Falconi M, Sertic S. Tau and DNA Damage in Neurodegeneration. Brain Sci 2020; 10:E946. [PMID: 33297375 PMCID: PMC7762255 DOI: 10.3390/brainsci10120946] [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: 10/16/2020] [Revised: 11/29/2020] [Accepted: 12/02/2020] [Indexed: 12/11/2022] Open
Abstract
Neurodegenerative disorders are a family of incurable conditions. Among them, Alzheimer's disease and tauopathies are the most common. Pathological features of these two disorders are synaptic loss, neuronal cell death and increased DNA damage. A key pathological protein for the onset and progression of the conditions is the protein tau, a microtubule-binding protein highly expressed in neurons and encoded by the MAPT (microtubule-associated protein tau) gene. Tau is predominantly a cytosolic protein that interacts with numerous other proteins and molecules. Recent findings, however, have highlighted new and unexpected roles for tau in the nucleus of neuronal cells. This review summarizes the functions of tau in the metabolism of DNA, describing them in the context of the disorders.
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Affiliation(s)
- Luca Colnaghi
- Department of Molecular Biochemistry and Pharmacology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Negri 2, 20156 Milan, Italy
| | - Diego Rondelli
- Dipartimento di Bioscienze, Università degli Studi di Milano, Via Celoria 26, 20133 Milan, Italy; (D.R.); (M.M.-F.)
| | - Marco Muzi-Falconi
- Dipartimento di Bioscienze, Università degli Studi di Milano, Via Celoria 26, 20133 Milan, Italy; (D.R.); (M.M.-F.)
| | - Sarah Sertic
- Dipartimento di Bioscienze, Università degli Studi di Milano, Via Celoria 26, 20133 Milan, Italy; (D.R.); (M.M.-F.)
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Lee C, Willerth SM, Nygaard HB. The Use of Patient-Derived Induced Pluripotent Stem Cells for Alzheimer’s Disease Modeling. Prog Neurobiol 2020; 192:101804. [DOI: 10.1016/j.pneurobio.2020.101804] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 03/31/2020] [Accepted: 04/09/2020] [Indexed: 01/10/2023]
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Nakamura M, Kaneko S, Dickson DW, Kusaka H. Aberrant Accumulation of BRCA1 in Alzheimer Disease and Other Tauopathies. J Neuropathol Exp Neurol 2020; 79:22-33. [PMID: 31750914 DOI: 10.1093/jnen/nlz107] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/22/2019] [Indexed: 12/17/2022] Open
Abstract
BRCA1 plays an important roles in several biological events during the DNA damage response (DDR). Recently, some reports have indicated that BRCA1 dysfunction is involved in the pathogenesis of Alzheimer disease (AD). Furthermore, it has also been reported that BRCA1 accumulates within neurofibrillary tangles (NFTs) in the AD brain. In this study, we examined the immunohistochemical distribution of BRCA1 and another DDR protein, p53-Binding Protein 1 (53BP1), in AD, Pick disease (PiD), progressive supranuclear palsy (PSP), corticobasal degeneration, and frontotemporal dementia with parkinsonism linked to chromosome 17. In control subjects, neither BRCA1 nor phosphorylated BRCA1 (pBRCA1; Ser1524) immunoreactivity was observed in neurons or glial cells; and that for pBRCA1 (Ser1423) and 53BP1 were slightly detected in neuronal nuclei. The immunoreactivity for both BRCA1 and pBRCA1 (Ser1423) was localized within phosphorylated tau inclusions in all tauopathies, whereas that for pBRCA1 (Ser1524) was mainly associated with Pick bodies in PiD and to a lesser extent with NFTs in AD. On the other hand, 53BP1-immunoreactive deposits tended to be increased in the nucleus of neurons in AD and PSP compared with those in control cases. Our results suggest that DDR dysfunction due to cytoplasmic sequestration of BRCA1 could be involved in the pathogenesis of tauopathies.
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Affiliation(s)
- Masataka Nakamura
- Department of Neurology, Kansai Medical University, Hirakata, Osaka, Japan (MN, SK, HK); and Department of Neuroscience, Mayo Clinic, Jacksonville, Florida (DWD)
| | - Satoshi Kaneko
- Department of Neurology, Kansai Medical University, Hirakata, Osaka, Japan (MN, SK, HK); and Department of Neuroscience, Mayo Clinic, Jacksonville, Florida (DWD)
| | - Dennis W Dickson
- Department of Neurology, Kansai Medical University, Hirakata, Osaka, Japan (MN, SK, HK); and Department of Neuroscience, Mayo Clinic, Jacksonville, Florida (DWD)
| | - Hirofumi Kusaka
- Department of Neurology, Kansai Medical University, Hirakata, Osaka, Japan (MN, SK, HK); and Department of Neuroscience, Mayo Clinic, Jacksonville, Florida (DWD)
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Chew H, Solomon VA, Fonteh AN. Involvement of Lipids in Alzheimer's Disease Pathology and Potential Therapies. Front Physiol 2020; 11:598. [PMID: 32581851 PMCID: PMC7296164 DOI: 10.3389/fphys.2020.00598] [Citation(s) in RCA: 156] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 05/14/2020] [Indexed: 12/15/2022] Open
Abstract
Lipids constitute the bulk of the dry mass of the brain and have been associated with healthy function as well as the most common pathological conditions of the brain. Demographic factors, genetics, and lifestyles are the major factors that influence lipid metabolism and are also the key components of lipid disruption in Alzheimer's disease (AD). Additionally, the most common genetic risk factor of AD, APOE ϵ4 genotype, is involved in lipid transport and metabolism. We propose that lipids are at the center of Alzheimer's disease pathology based on their involvement in the blood-brain barrier function, amyloid precursor protein (APP) processing, myelination, membrane remodeling, receptor signaling, inflammation, oxidation, and energy balance. Under healthy conditions, lipid homeostasis bestows a balanced cellular environment that enables the proper functioning of brain cells. However, under pathological conditions, dyshomeostasis of brain lipid composition can result in disturbed BBB, abnormal processing of APP, dysfunction in endocytosis/exocytosis/autophagocytosis, altered myelination, disturbed signaling, unbalanced energy metabolism, and enhanced inflammation. These lipid disturbances may contribute to abnormalities in brain function that are the hallmark of AD. The wide variance of lipid disturbances associated with brain function suggest that AD pathology may present as a complex interaction between several metabolic pathways that are augmented by risk factors such as age, genetics, and lifestyles. Herewith, we examine factors that influence brain lipid composition, review the association of lipids with all known facets of AD pathology, and offer pointers for potential therapies that target lipid pathways.
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Affiliation(s)
- Hannah Chew
- Huntington Medical Research Institutes, Pasadena, CA, United States
- University of California, Los Angeles, Los Angeles, CA, United States
| | | | - Alfred N. Fonteh
- Huntington Medical Research Institutes, Pasadena, CA, United States
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Zhang X, Hu D, Shang Y, Qi X. Using induced pluripotent stem cell neuronal models to study neurodegenerative diseases. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165431. [PMID: 30898538 PMCID: PMC6751032 DOI: 10.1016/j.bbadis.2019.03.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 02/09/2019] [Accepted: 03/14/2019] [Indexed: 12/12/2022]
Abstract
Current application of human induced pluripotent stem cells (hiPSCs) technology in patient-specific models of neurodegenerative disorders recapitulate some of key phenotypes of diseases, representing disease-specific cellular modeling and providing a unique platform for therapeutics development. We review recent efforts toward advancing hiPSCs-derived neuronal cell types and highlight their potential use for the development of more complex in vitro models of neurodegenerative diseases by focusing on Alzheimer's disease, Parkinson's disease, Huntington's disease and Amyotrophic lateral sclerosis. We present evidence from previous works on the important phenotypic changes of various neuronal types in these neurological diseases. We also summarize efforts on conducting low- and high-throughput screening experiments with hiPSCs toward developing potential therapeutics for treatment of neurodegenerative diseases. Lastly, we discuss the limitations of hiPSCs culture system in studying neurodegenerative diseases and alternative strategies to overcome these hurdles.
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Affiliation(s)
- Xinwen Zhang
- Center of Implant Dentistry, School of Stomatology, China Medical University, Shenyang 110002, China; Department of Physiology & Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Di Hu
- Department of Physiology & Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Yutong Shang
- Department of Physiology & Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Xin Qi
- Department of Physiology & Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA; Center for Mitochondrial Diseases, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.
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Contributions of DNA Damage to Alzheimer's Disease. Int J Mol Sci 2020; 21:ijms21051666. [PMID: 32121304 PMCID: PMC7084447 DOI: 10.3390/ijms21051666] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 02/20/2020] [Accepted: 02/25/2020] [Indexed: 12/16/2022] Open
Abstract
Alzheimer’s disease (AD) is the most common type of neurodegenerative disease. Its typical pathology consists of extracellular amyloid-β (Aβ) plaques and intracellular tau neurofibrillary tangles. Mutations in the APP, PSEN1, and PSEN2 genes increase Aβ production and aggregation, and thus cause early onset or familial AD. Even with this strong genetic evidence, recent studies support AD to result from complex etiological alterations. Among them, aging is the strongest risk factor for the vast majority of AD cases: Sporadic late onset AD (LOAD). Accumulation of DNA damage is a well-established aging factor. In this regard, a large amount of evidence reveals DNA damage as a critical pathological cause of AD. Clinically, DNA damage is accumulated in brains of AD patients. Genetically, defects in DNA damage repair resulted from mutations in the BRAC1 and other DNA damage repair genes occur in AD brain and facilitate the pathogenesis. Abnormalities in DNA damage repair can be used as diagnostic biomarkers for AD. In this review, we discuss the association, the causative potential, and the biomarker values of DNA damage in AD pathogenesis.
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Penney J, Ralvenius WT, Tsai LH. Modeling Alzheimer's disease with iPSC-derived brain cells. Mol Psychiatry 2020; 25:148-167. [PMID: 31391546 PMCID: PMC6906186 DOI: 10.1038/s41380-019-0468-3] [Citation(s) in RCA: 240] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 04/10/2019] [Accepted: 05/13/2019] [Indexed: 12/21/2022]
Abstract
Alzheimer's disease is a devastating neurodegenerative disorder with no cure. Countless promising therapeutics have shown efficacy in rodent Alzheimer's disease models yet failed to benefit human patients. While hope remains that earlier intervention with existing therapeutics will improve outcomes, it is becoming increasingly clear that new approaches to understand and combat the pathophysiology of Alzheimer's disease are needed. Human induced pluripotent stem cell (iPSC) technologies have changed the face of preclinical research and iPSC-derived cell types are being utilized to study an array of human conditions, including neurodegenerative disease. All major brain cell types can now be differentiated from iPSCs, while increasingly complex co-culture systems are being developed to facilitate neuroscience research. Many cellular functions perturbed in Alzheimer's disease can be recapitulated using iPSC-derived cells in vitro, and co-culture platforms are beginning to yield insights into the complex interactions that occur between brain cell types during neurodegeneration. Further, iPSC-based systems and genome editing tools will be critical in understanding the roles of the numerous new genes and mutations found to modify Alzheimer's disease risk in the past decade. While still in their relative infancy, these developing iPSC-based technologies hold considerable promise to push forward efforts to combat Alzheimer's disease and other neurodegenerative disorders.
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Affiliation(s)
- Jay Penney
- Department of Brain and Cognitive Sciences, Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - William T Ralvenius
- Department of Brain and Cognitive Sciences, Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Li-Huei Tsai
- Department of Brain and Cognitive Sciences, Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
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Kurihara M, Mano T, Saito Y, Murayama S, Toda T, Iwata A. Colocalization of BRCA1 with Tau Aggregates in Human Tauopathies. Brain Sci 2019; 10:brainsci10010007. [PMID: 31861888 PMCID: PMC7016802 DOI: 10.3390/brainsci10010007] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 12/14/2019] [Accepted: 12/18/2019] [Indexed: 12/11/2022] Open
Abstract
The mechanism of neuronal dysfunction via tau aggregation in tauopathy patients is controversial. In Alzheimer’s disease (AD), we previously reported mislocalization of the DNA repair nuclear protein BRCA1, its coaggregation with tau, and the possible importance of the subsequent DNA repair dysfunction. However, whether this dysfunction in BRCA1 also occurs in other tauopathies is unknown. The aim of this study was to evaluate whether BRCA1 colocalizes with tau aggregates in the cytoplasm in the brains of the patients with tauopathy. We evaluated four AD, two Pick’s disease (PiD), three progressive supranuclear palsy (PSP), three corticobasal degeneration (CBD), four normal control, and four disease control autopsy brains. Immunohistochemistry was performed using antibodies against BRCA1 and phosphorylated tau (AT8). Colocalization was confirmed by immunofluorescence double staining. Colocalization of BRCA1 with tau aggregates was observed in neurofibrillary tangles and neuropil threads in AD, pick bodies in PiD, and globose neurofibrillary tangles and glial coiled bodies in PSP. However, only partial colocalization was observed in tuft-shaped astrocytes in PSP, and no colocalization was observed in CBD. Mislocalization of BRCA1 was not observed in disease controls. BRCA1 was mislocalized to the cytoplasm and colocalized with tau aggregates in not only AD but also in PiD and PSP. Mislocalization of BRCA1 by tau aggregates may be involved in the pathogenesis of PiD and PSP.
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Affiliation(s)
- Masanori Kurihara
- Department of Neurology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan; (M.K.)
- Research Fellow, Japan Society for the Promotion of Science, Tokyo 102-0083, Japan
| | - Tatsuo Mano
- Department of Neurology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan; (M.K.)
| | - Yuko Saito
- Department of Pathology and Laboratory Medicine, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo 187-8551, Japan
| | - Shigeo Murayama
- Department of Neurology and Neuropathology (the Brain Bank for Aging Research), Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo 173-0015, Japan
| | - Tatsushi Toda
- Department of Neurology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan; (M.K.)
| | - Atsushi Iwata
- Department of Neurology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan; (M.K.)
- Correspondence: ; Tel.: +81-3-5800-8672
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Zhu J, Wang Y, Yu W, Xia K, Huang Y, Wang J, Liu B, Tao H, Liang C, Li F. Long Noncoding RNA: Function and Mechanism on Differentiation of Mesenchymal Stem Cells and Embryonic Stem Cells. Curr Stem Cell Res Ther 2019; 14:259-267. [PMID: 30479219 DOI: 10.2174/1574888x14666181127145809] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/20/2018] [Accepted: 11/22/2018] [Indexed: 12/30/2022]
Abstract
Background:Long suspected as transcriptional noise, recently recognized, long non-coding
RNAs (lncRNAs) are emerging as an indicator, biomarker and therapy target in the physiologic and
pathologic process. Mesenchymal stem cells and embryonic stem cells are important source for normal
and therapeutic tissue repair. However, the mechanism of stem cell differentiation is not completely
understood. Research on lncRNAs may provide novel insights into the mechanism of differentiation
process of the stem cell which is important for the application of stem cell therapy. The lncRNAs field
is still very young, new insights into lncRNAs function are emerging to a greater understanding of biological
processes.
Objective:
In this review, we summarize the recent researches studying lncRNAs and illustrate how
they act in the differentiation of the mesenchymal stem cells and embryonic stem cells, and discuss
some future directions in this field.
Results:
Numerous lncRNAs were differentially expressed during differentiation of mesenchymal stem
cells and embryonic stem cells. LncRNAs were able to regulate the differentiation processes through
epigenetic regulation, transcription regulation and post-transcription regulation.
Conclusion:
LncRNAs are involved in the differentiation process of mesenchymal stem cells and embryonic
stem cells, and they could become promising indicator, biomarker and therapeutic targets in the
physiologic and pathologic process. However, the mechanisms of the role of lncRNAs still require further
investigation.
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Affiliation(s)
- Jian Zhu
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, #88 Jie Fang Road, Hangzhou, 310009, Zhejiang, China
| | - Yitian Wang
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, #88 Jie Fang Road, Hangzhou, 310009, Zhejiang, China
| | - Wei Yu
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, #88 Jie Fang Road, Hangzhou, 310009, Zhejiang, China
| | - Kaishun Xia
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, #88 Jie Fang Road, Hangzhou, 310009, Zhejiang, China
| | - Yuluan Huang
- Department of Gynecologic Oncology, Women`s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Junjie Wang
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, #88 Jie Fang Road, Hangzhou, 310009, Zhejiang, China
| | - Bing Liu
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, #88 Jie Fang Road, Hangzhou, 310009, Zhejiang, China
| | - Huimin Tao
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, #88 Jie Fang Road, Hangzhou, 310009, Zhejiang, China
| | - Chengzhen Liang
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, #88 Jie Fang Road, Hangzhou, 310009, Zhejiang, China
| | - Fangcai Li
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, #88 Jie Fang Road, Hangzhou, 310009, Zhejiang, China
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Huang F, Wang M, Liu R, Wang JZ, Schadt E, Haroutunian V, Katsel P, Zhang B, Wang X. CDT2-controlled cell cycle reentry regulates the pathogenesis of Alzheimer's disease. Alzheimers Dement 2019; 15:217-231. [PMID: 30321504 PMCID: PMC6758558 DOI: 10.1016/j.jalz.2018.08.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 07/07/2018] [Accepted: 08/31/2018] [Indexed: 12/29/2022]
Abstract
INTRODUCTION Altered cell cycle reentry has been observed in Alzheimer's disease (AD). Denticleless (DTL) was predicted as the top driver of a cell cycle subnetwork associated with AD. METHODS We systematically investigated DTL expression in AD and studied the molecular, cellular, and behavioral endophenotypes triggered by DTL overexpression. RESULTS We experimentally validated that CDT2, the protein encoded by DTL, activated cyclin-dependent kinases through downregulating P21, which induced tau hyperphosphorylation and Aβ toxicity, two hallmarks of AD. We demonstrated that cyclin-dependent kinases inhibition by roscovitine not only rescued CDT2-induced cognitive defects but also reversed expression changes induced by DTL overexpression. RNA-seq data from the DTL overexpression experiments revealed the molecular mechanisms underlying CDT2 controlled cell cycle reentry in AD. DISCUSSION These findings provide new insights into the molecular mechanisms of AD pathogenesis and thus pave a way for developing novel therapeutics for AD by targeting AD specific cell cycle networks and drivers.
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Affiliation(s)
- Fang Huang
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Minghui Wang
- Department of Genetics and Genomic Sciences, Mount Sinai Center for Transformative Disease Modeling, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, NY, USA
| | - Rong Liu
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jian-Zhi Wang
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Eric Schadt
- Department of Genetics and Genomic Sciences, Mount Sinai Center for Transformative Disease Modeling, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, NY, USA
| | - Vahram Haroutunian
- Departments of Psychiatry and Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Psychiatry, JJ Peters VA Medical Center, Bronx, NY, USA; Fishberg Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA; The Alzheimer's Disease Research Center, Icahn School of Medicine at Mount Sinai, New York NY, USA
| | - Pavel Katsel
- Departments of Psychiatry and Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Bin Zhang
- Department of Genetics and Genomic Sciences, Mount Sinai Center for Transformative Disease Modeling, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, NY, USA.
| | - Xiaochuan Wang
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Co-innovation Center of Neuroregeneration, Nantong University, Nantong, JS, China.
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Farkhondeh A, Li R, Gorshkov K, Chen KG, Might M, Rodems S, Lo DC, Zheng W. Induced pluripotent stem cells for neural drug discovery. Drug Discov Today 2019; 24:992-999. [PMID: 30664937 DOI: 10.1016/j.drudis.2019.01.007] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 12/31/2018] [Accepted: 01/15/2019] [Indexed: 12/12/2022]
Abstract
Neurological diseases such as Alzheimer's disease and Parkinson's disease are growing problems, as average life expectancy is increasing globally. Drug discovery for neurological disease remains a major challenge. Poor understanding of disease pathophysiology and incomplete representation of human disease in animal models hinder therapeutic drug development. Recent advances with induced pluripotent stem cells (iPSCs) have enabled modeling of human diseases with patient-derived neural cells. Utilizing iPSC-derived neurons advances compound screening and evaluation of drug efficacy. These cells have the genetic backgrounds of patients that more precisely model disease-specific pathophysiology and phenotypes. Neural cells derived from iPSCs can be produced in a large quantity. Therefore, application of iPSC-derived human neurons is a new direction for neuronal drug discovery.
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Affiliation(s)
- Atena Farkhondeh
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD, USA
| | - Rong Li
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD, USA
| | - Kirill Gorshkov
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD, USA
| | - Kevin G Chen
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Matthew Might
- University of Alabama at Birmingham, Birmingham, AL, USA
| | | | - Donald C Lo
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD, USA
| | - Wei Zheng
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD, USA.
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van der Willik KD, Schagen SB, Ikram MA. Cancer and dementia: Two sides of the same coin? Eur J Clin Invest 2018; 48:e13019. [PMID: 30112764 PMCID: PMC6220770 DOI: 10.1111/eci.13019] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 08/13/2018] [Indexed: 12/12/2022]
Abstract
Noncentral nervous system cancer and the brain share an interesting and complex relation, with an emerging body of evidence showing that cancer patients are at an increased risk of developing cognitive problems. In contrast, population-based studies consistently find an inverse link between cancer and dementia, that is patients with dementia having a lower risk of subsequently developing cancer, and cancer patients being less often diagnosed with dementia. Different biological processes such as inversely activated cell proliferation and survival pathways have been suggested to have an important role underlying this inverse association. However, the effect of methodological biases including surveillance or survival bias has not been completely ruled out, calling into question the inverse direction of the association between cancer and dementia. In fact, emerging evidence now suggests that cancer and dementia might share a positive association. This narrative review summarises the current literature on cancer, cognitive problems and dementia. Moreover, different strategies will be discussed to reduce the impact of potential methodological biases on the association between cancer and dementia, trying to reveal the true direction of this link.
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Affiliation(s)
- Kimberly D. van der Willik
- Department of Psychosocial Research and EpidemiologyNetherlands Cancer InstituteAmsterdamThe Netherlands
- Department of EpidemiologyErasmus Medical CenterRotterdamThe Netherlands
| | - Sanne B. Schagen
- Department of Psychosocial Research and EpidemiologyNetherlands Cancer InstituteAmsterdamThe Netherlands
- Brain and CognitionDepartment of PsychologyUniversity of AmsterdamAmsterdamThe Netherlands
| | - M. Arfan Ikram
- Department of EpidemiologyErasmus Medical CenterRotterdamThe Netherlands
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Abstract
Oxidative damage of DNA has recently been indicated as one of the strong pathogenic agent in Alzheimer's disease (AD). Oxidative stress induces numerous signaling pathways, including DNA damage response (DDR), associated with the breast cancer type 1 susceptibility protein (BRCA1) protein, known to date from numerous reports in the cancer field. In this Viewpoint, we discuss the latest discoveries related to the role of BRCA1 in the death of neurons in AD. We underline the role of BRCA1 in the development of neurons and speculate on the consequences of BRCA1 dysfunction in the dying brain. In general, this Viewpoint is in a line with several recent reports on the processes and players common at the molecular and genetic level for neurodegenerative and cancerous diseases.
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Affiliation(s)
- M. Wezyk
- Laboratory of Neurogenetics, Department of Neurodegenerative Disorders, Mossakowski Medical Research Centre, Polish Academy of Sciences, 5 Pawinskiego Street, 02-106 Warsaw, Poland
| | - C. Zekanowski
- Laboratory of Neurogenetics, Department of Neurodegenerative Disorders, Mossakowski Medical Research Centre, Polish Academy of Sciences, 5 Pawinskiego Street, 02-106 Warsaw, Poland
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Hypermethylation of TRIM59 and KLF14 Influences Cell Death Signaling in Familial Alzheimer's Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:6918797. [PMID: 29849909 PMCID: PMC5904768 DOI: 10.1155/2018/6918797] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 01/14/2018] [Accepted: 02/04/2018] [Indexed: 12/11/2022]
Abstract
Epigenetic mechanisms play an important role in the development and progression of various neurodegenerative diseases. Abnormal methylation of numerous genes responsible for regulation of transcription, DNA replication, and apoptosis has been linked to Alzheimer's disease (AD) pathology. We have recently performed whole transcriptome profiling of familial early-onset Alzheimer's disease (fEOAD) patient-derived fibroblasts. On this basis, we demonstrated a strong dysregulation of cell cycle checkpoints and DNA damage response (DDR) in both fibroblasts and reprogrammed neurons. Here, we show that the aging-correlated hypermethylation of KLF14 and TRIM59 genes associates with abnormalities in DNA repair and cell cycle control in fEOAD. Based on the resulting transcriptome networks, we found that the hypermethylation of KLF14 might be associated with epigenetic regulation of the chromatin organization and mRNA processing followed by hypermethylation of TRIM59 likely associated with the G2/M cell cycle phase and p53 role in DNA repair with BRCA1 protein as the key player. We propose that the hypermethylation of KLF14 could constitute a superior epigenetic mechanism for TRIM59 hypermethylation. The methylation status of both genes affects genome stability and might contribute to proapoptotic signaling in AD. Since this study combines data obtained from various tissues from AD patients, it reinforces the view that the genetic methylation status in the blood may be a valuable predictor of molecular processes occurring in affected tissues. Further research is necessary to define a detailed role of TRIM59 and KLF4 in neurodegeneration of neurons.
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