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Murakami R, Watanabe H, Hashimoto H, Kashiwagi-Hakozaki M, Hashimoto T, Karch CM, Iwatsubo T, Okano H. Inhibitory Roles of Apolipoprotein E Christchurch Astrocytes in Curbing Tau Propagation Using Human Pluripotent Stem Cell-Derived Models. J Neurosci 2024; 44:e1709232024. [PMID: 38649269 PMCID: PMC11170944 DOI: 10.1523/jneurosci.1709-23.2024] [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: 09/12/2023] [Revised: 02/08/2024] [Accepted: 03/15/2024] [Indexed: 04/25/2024] Open
Abstract
Genetic variants in the apolipoprotein E (APOE) gene affect the onset and progression of Alzheimer's disease (AD). The APOE Christchurch (APOE Ch) variant has been identified as the most prominent candidate for preventing the onset and progression of AD. In this study, we generated isogenic APOE3Ch/3Ch human-induced pluripotent stem cells (iPSCs) from APOE3/3 healthy control female iPSCs and induced them into astrocytes. RNA expression analysis revealed the inherent resilience of APOE3Ch/3Ch astrocytes to induce a reactive state in response to inflammatory cytokines. Moreover, cytokine treatment changed astrocytic morphology with more complexity in APOE3/3 astrocytes, but not in APOE3Ch/3Ch astrocytes, indicating resilience of the rare variant to a reactive state. Interestingly, we observed robust morphological alterations containing more intricate processes when cocultured with iPSC-derived cortical neurons, in which APOE3Ch/3Ch astrocytes reduced complexity compared with APOE3/3 astrocytes. To assess the impacts of tau propagation effects, we next developed a sophisticated and sensitive assay utilizing cortical neurons derived from human iPSCs, previously generated from donors of both sexes. We showed that APOE3Ch/3Ch astrocytes effectively mitigated tau propagation within iPSC-derived neurons. This study provides important experimental evidence of the characteristic functions exhibited by APOE3Ch/3Ch astrocytes, thereby offering valuable insights for the advancement of novel clinical interventions in AD research.
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Affiliation(s)
- Rei Murakami
- Department of Physiology, Keio University School of Medicine, Tokyo 160-8582, Japan
- Research fellow of Japan Society of the Promotion of Science (JSPS), Tokyo 102-0083, Japan
| | - Hirotaka Watanabe
- Department of Physiology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Hideko Hashimoto
- Department of Physiology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Mayu Kashiwagi-Hakozaki
- Department of Neuropathology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Tadafumi Hashimoto
- Department of Neuropathology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
- Department of Degenerative Neurological Diseases, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo 187-0031, Japan
| | - Celeste M Karch
- Department of Psychiatry and Hope Center for Neurological Disorders, Washington University in St. Louis, St. Louis, Missouri 63110
| | - Takeshi Iwatsubo
- Department of Neuropathology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, Tokyo 160-8582, Japan
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Basheer N, Buee L, Brion JP, Smolek T, Muhammadi MK, Hritz J, Hromadka T, Dewachter I, Wegmann S, Landrieu I, Novak P, Mudher A, Zilka N. Shaping the future of preclinical development of successful disease-modifying drugs against Alzheimer's disease: a systematic review of tau propagation models. Acta Neuropathol Commun 2024; 12:52. [PMID: 38576010 PMCID: PMC10993623 DOI: 10.1186/s40478-024-01748-5] [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: 01/11/2024] [Accepted: 02/21/2024] [Indexed: 04/06/2024] Open
Abstract
The transcellular propagation of the aberrantly modified protein tau along the functional brain network is a key hallmark of Alzheimer's disease and related tauopathies. Inoculation-based tau propagation models can recapitulate the stereotypical spread of tau and reproduce various types of tau inclusions linked to specific tauopathy, albeit with varying degrees of fidelity. With this systematic review, we underscore the significance of judicious selection and meticulous functional, biochemical, and biophysical characterization of various tau inocula. Furthermore, we highlight the necessity of choosing suitable animal models and inoculation sites, along with the critical need for validation of fibrillary pathology using confirmatory staining, to accurately recapitulate disease-specific inclusions. As a practical guide, we put forth a framework for establishing a benchmark of inoculation-based tau propagation models that holds promise for use in preclinical testing of disease-modifying drugs.
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Affiliation(s)
- Neha Basheer
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10, Bratislava, Slovakia
| | - Luc Buee
- Inserm, CHU Lille, CNRS, LilNCog - Lille Neuroscience & Cognition, University of Lille, 59000, Lille, France.
| | - Jean-Pierre Brion
- Faculty of Medicine, Laboratory of Histology, Alzheimer and Other Tauopathies Research Group (CP 620), ULB Neuroscience Institute (UNI), Université Libre de Bruxelles, 808, Route de Lennik, 1070, Brussels, Belgium
| | - Tomas Smolek
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10, Bratislava, Slovakia
| | - Muhammad Khalid Muhammadi
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10, Bratislava, Slovakia
| | - Jozef Hritz
- CEITEC Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic
- Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic
| | - Tomas Hromadka
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10, Bratislava, Slovakia
| | - Ilse Dewachter
- Biomedical Research Institute, BIOMED, Hasselt University, 3500, Hasselt, Belgium
| | - Susanne Wegmann
- German Center for Neurodegenerative Diseases, Charitéplatz 1, 10117, Berlin, Germany
- Einstein Center for Neurosciences Berlin, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Isabelle Landrieu
- CNRS EMR9002 - BSI - Integrative Structural Biology, 59000, Lille, France
- Inserm, CHU Lille, Institut Pasteur de Lille, U1167 - RID-AGE - Risk Factors and Molecular Determinants of Aging-Related Diseases, University of Lille, 59000, Lille, France
| | - Petr Novak
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10, Bratislava, Slovakia
| | - Amritpal Mudher
- School of Biological Sciences, Faculty of Environment and Life Sciences, University of Southampton, Highfield Campus, Southampton, SO17 1BJ, UK
| | - Norbert Zilka
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10, Bratislava, Slovakia.
- AXON Neuroscience R&D Services SE, Dubravska Cesta 9, 845 10, Bratislava, Slovakia.
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Eisenbaum M, Pearson A, Ortiz C, Koprivica M, Cembran A, Mullan M, Crawford F, Ojo J, Bachmeier C. Repetitive head trauma and apoE4 induce chronic cerebrovascular alterations that impair tau elimination from the brain. Exp Neurol 2024; 374:114702. [PMID: 38301863 PMCID: PMC10922621 DOI: 10.1016/j.expneurol.2024.114702] [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: 12/04/2023] [Accepted: 01/25/2024] [Indexed: 02/03/2024]
Abstract
Repetitive mild traumatic brain injuries (r-mTBI) sustained in the military or contact sports have been associated with the accumulation of extracellular tau in the brain, which may contribute to the pathogenesis of neurodegenerative tauopathies. The expression of the apolipoprotein E4 (apoE4) isoform has been associated with higher levels of tau in the brain, and worse clinical outcomes after r-mTBI, though the influence of apoE genotype on extracellular tau dynamics in the brain is poorly understood. We recently demonstrated that extracellular tau can be eliminated across blood-brain barrier (BBB), which is progressively impaired following r-mTBI. The current studies investigated the influence of repetitive mild TBI (r-mTBI) and apoE genotype on the elimination of extracellular solutes from the brain. Following intracortical injection of biotin-labeled tau into humanized apoE-Tr mice, the levels of exogenous tau residing in the brain of apoE4 mice were elevated compared to other isoforms, indicating reduced tau elimination. Additionally, we found exposure to r-mTBI increased tau residence in apoE2 mice, similar to our observations in E2FAD animals. Each of these findings may be the result of diminished tau efflux via LRP1 at the BBB, as LRP1 inhibition significantly reduced tau uptake in endothelial cells and decreased tau transit across an in vitro model of the BBB (basolateral-to-apical). Notably, we showed that injury and apoE status, (particularly apoE4) resulted in chronic alterations in BBB integrity, pericyte coverage, and AQP4 polarization. These aberrations coincided with an atypical reactive astrocytic gene signature indicative of diminished CSF-ISF exchange. Our work found that CSF movement was reduced in the chronic phase following r-mTBI (>18 months post injury) across all apoE genotypes. In summary, we show that apoE genotype strongly influences cerebrovascular homeostasis, which can lead to age-dependent deficiencies in the elimination of toxic proteins from the brain, like tau, particularly in the aftermath of head trauma.
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Affiliation(s)
| | | | | | | | | | | | - Fiona Crawford
- The Roskamp Institute, Sarasota, FL, USA; James A. Haley Veterans' Hospital, Tampa, FL, USA
| | - Joseph Ojo
- The Roskamp Institute, Sarasota, FL, USA
| | - Corbin Bachmeier
- The Roskamp Institute, Sarasota, FL, USA; Bay Pines VA Healthcare System, Bay Pines, FL, USA
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Li X, Quan M, Wei Y, Wang W, Xu L, Wang Q, Jia J. Critical thinking of Alzheimer's transgenic mouse model: current research and future perspective. SCIENCE CHINA. LIFE SCIENCES 2023; 66:2711-2754. [PMID: 37480469 DOI: 10.1007/s11427-022-2357-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 04/23/2023] [Indexed: 07/24/2023]
Abstract
Transgenic models are useful tools for studying the pathogenesis of and drug development for Alzheimer's Disease (AD). AD models are constructed usually using overexpression or knock-in of multiple pathogenic gene mutations from familial AD. Each transgenic model has its unique behavioral and pathological features. This review summarizes the research progress of transgenic mouse models, and their progress in the unique mechanism of amyloid-β oligomers, including the first transgenic mouse model built in China based on a single gene mutation (PSEN1 V97L) found in Chinese familial AD. We further summarized the preclinical findings of drugs using the models, and their future application in exploring the upstream mechanisms and multitarget drug development in AD.
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Affiliation(s)
- Xinyue Li
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Meina Quan
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- National Medical Center for Neurological Diseases and National Clinical Research Center for Geriatric Diseases, Beijing, 100053, China
| | - Yiping Wei
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Wei Wang
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- National Medical Center for Neurological Diseases and National Clinical Research Center for Geriatric Diseases, Beijing, 100053, China
| | - Lingzhi Xu
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Qi Wang
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- National Medical Center for Neurological Diseases and National Clinical Research Center for Geriatric Diseases, Beijing, 100053, China
| | - Jianping Jia
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
- National Medical Center for Neurological Diseases and National Clinical Research Center for Geriatric Diseases, Beijing, 100053, China.
- Beijing Key Laboratory of Geriatric Cognitive Disorders, Beijing, 100053, China.
- Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, Beijing, 100053, China.
- Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, 100053, China.
- Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, 100053, China.
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5
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Williams T, Bathe T, Vo Q, Sacilotto P, McFarland K, Ruiz AJ, Hery GP, Sullivan P, Borchelt DR, Prokop S, Chakrabarty P. Humanized APOE genotypes influence lifespan independently of tau aggregation in the P301S mouse model of tauopathy. Acta Neuropathol Commun 2023; 11:99. [PMID: 37337279 DOI: 10.1186/s40478-023-01581-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 05/09/2023] [Indexed: 06/21/2023] Open
Abstract
Apolipoprotein (APOE) E4 isoform is a major risk factor of Alzheimer's disease and contributes to metabolic and neuropathological abnormalities during brain aging. To provide insights into whether APOE4 genotype is related to tau-associated neurodegeneration, we have generated human P301S mutant tau transgenic mice (PS19) that carry humanized APOE alleles (APOE2, APOE3 or APOE4). In aging mice that succumbed to paralysis, PS19 mice homozygous for APOE3 had the longest lifespan when compared to APOE4 and APOE2 homozygous mice (APOE3 > APOE4 ~ APOE2). Heterozygous mice with one human APOE and one mouse Apoe allele did not show any variations in lifespan. At end-stage, PS19 mice homozygous for APOE3 and APOE4 showed equivalent levels of phosphorylated tau burden, inflammation levels and ventricular volumes. Compared to these cohorts, PS19 mice homozygous for APOE2 showed lower induction of phosphorylation on selective epitopes, though the effect sizes were small and variable. In spite of this, the APOE2 cohort showed shorter lifespan relative to APOE3 homozygous mice. None of the cohorts accumulated appreciable levels of phosphorylated tau compartmentalized in the insoluble cell fraction. RNAseq analysis showed that the induction of immune gene expression was comparable across all the APOE genotypes in PS19 mice. Notably, the APOE4 homozygous mice showed additional induction of transcripts corresponding to the Alzheimer's disease-related plaque-induced gene signature. In human Alzheimer's disease brain tissues, we found no direct correlation between higher burden of phosphorylated tau and APOE4 genotype. As expected, there was a strong correlation between phosphorylated tau burden with amyloid deposition in APOE4-positive Alzheimer's disease cases. Overall, our results indicate that APOE3 genotype may confer some resilience to tauopathy, while APOE4 and APOE2 may act through multiple pathways to increase the pathogenicity in the context of tauopathy.
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Affiliation(s)
- Tristan Williams
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
- Department of Neuroscience, University of Florida, Gainesville, FL, 32610, USA
- Eli Lilly & Company, Indianapolis, IN, 46285, USA
| | - Tim Bathe
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
- Department of Neuroscience, University of Florida, Gainesville, FL, 32610, USA
| | - Quan Vo
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
| | - Patricia Sacilotto
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
- Department of Neuroscience, University of Florida, Gainesville, FL, 32610, USA
| | - Karen McFarland
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
- Department of Neurology, University of Florida, Gainesville, FL, 32610, USA
| | - Alejandra Jolie Ruiz
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
| | - Gabriela P Hery
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
| | | | - David R Borchelt
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
- Department of Neuroscience, University of Florida, Gainesville, FL, 32610, USA
- McKnight Brain Institute, University of Florida, Gainesville, FL, 32610, USA
| | - Stefan Prokop
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA
- Department of Pathology, Immunology & Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA
- Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, 32608, USA
| | - Paramita Chakrabarty
- Center for Translational Research in Neurodegenerative Disease, University of Florida, Gainesville, FL, 32610, USA.
- Department of Neuroscience, University of Florida, Gainesville, FL, 32610, USA.
- McKnight Brain Institute, University of Florida, Gainesville, FL, 32610, USA.
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Ng CAS, Biran LP, Galvano E, Mandelblatt J, Vicini S, Rebeck GW. Chemotherapy promotes astrocytic response to Aβ deposition, but not Aβ levels, in a mouse model of amyloid and APOE. Neurobiol Dis 2022; 175:105915. [PMID: 36336241 PMCID: PMC9794416 DOI: 10.1016/j.nbd.2022.105915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/19/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022] Open
Abstract
Many cancer survivors experience cancer-related cognitive impairment (CRCI), which is characterized by problems of attention, working memory, and executive function following chemotherapy and/or hormonal treatment. APOE4, the strongest genetic risk factor for Alzheimer's Disease (AD), is also a risk factor for CRCI, especially among survivors exposed to chemotherapy. We explored whether the effects of APOE genotype to chemotherapy were associated with an increase in AD pathological processes, using a mouse model of amyloid (5XFAD) along with the E3 or E4 alleles of human APOE (E3FAD and E4FAD). Six-month-old female E3FAD mice (control n = 5, treated n = 5) and E4FAD (control n = 6, treated n = 6) were treated with two doses of doxorubicin (total 10 mg/kg) or DMSO vehicle. After six weeks, mice were euthanized and brains were analyzed by immunohistochemistry and biochemical assays. Doxorubicin-treated mice had the same level of Aβ in the brain as control mice, as measured by 6E10 immunohistochemistry, Aβ40 and Aβ42 ELISAs, and plaque morphologies. Doxorubicin significantly increased the level of the astrocytic response to Aβ deposits, which was independent of APOE genotype; no effects of doxorubicin were observed on the microglial responses. These data are consistent with a model in which the effects of doxorubicin on risk of CRCI are unrelated amyloid accumulation, but possibly related to glial responses to damage.
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Affiliation(s)
- Christi Anne S. Ng
- Department of Neuroscience, Georgetown University, Washington, DC, United States of America
| | - Lucas P. Biran
- Department of Neuroscience, Georgetown University, Washington, DC, United States of America
| | - Elena Galvano
- Department of Neuroscience, Georgetown University, Washington, DC, United States of America
| | - Jeanne Mandelblatt
- Department of Oncology, Cancer Prevention and Control Program and Georgetown Lombardi Institute for Cancer and Aging Research, Georgetown University, Washington, DC, United States of America
| | - Stefano Vicini
- Department of Pharmacology and Physiology, Georgetown University, Washington, DC, United States of America,Interdisciplinary Program in Neuroscience, Georgetown University, Washington, DC, United States of America
| | - G. William Rebeck
- Department of Neuroscience, Georgetown University, Washington, DC, United States of America,Interdisciplinary Program in Neuroscience, Georgetown University, Washington, DC, United States of America,Corresponding author at: 3970 Reservoir Rd, NW, Washington, DC 20007, United States of America. (G.W. Rebeck)
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