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Bowles KR, Pugh DA, Pedicone C, Oja L, Weitzman SA, Liu Y, Chen JL, Disney MD, Goate AM. Development of MAPT S305 mutation models exhibiting elevated 4R tau expression, resulting in altered neuronal and astrocytic function. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.02.543224. [PMID: 37333200 PMCID: PMC10274740 DOI: 10.1101/2023.06.02.543224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
Due to the importance of 4R tau in the pathogenicity of primary tauopathies, it has been challenging to model these diseases in iPSC-derived neurons, which express very low levels of 4R tau. To address this problem we have developed a panel of isogenic iPSC lines carrying the MAPT splice-site mutations S305S, S305I or S305N, derived from four different donors. All three mutations significantly increased the proportion of 4R tau expression in iPSC-neurons and astrocytes, with up to 80% 4R transcripts in S305N neurons from as early as 4 weeks of differentiation. Transcriptomic and functional analyses of S305 mutant neurons revealed shared disruption in glutamate signaling and synaptic maturity, but divergent effects on mitochondrial bioenergetics. In iPSC-astrocytes, S305 mutations induced lysosomal disruption and inflammation and exacerbated internalization of exogenous tau that may be a precursor to the glial pathologies observed in many tauopathies. In conclusion, we present a novel panel of human iPSC lines that express unprecedented levels of 4R tau in neurons and astrocytes. These lines recapitulate previously characterized tauopathy-relevant phenotypes, but also highlight functional differences between the wild type 4R and mutant 4R proteins. We also highlight the functional importance of MAPT expression in astrocytes. These lines will be highly beneficial to tauopathy researchers enabling a more complete understanding of the pathogenic mechanisms underlying 4R tauopathies across different cell types.
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Affiliation(s)
- KR Bowles
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Ronald M. Loeb Center for Alzheimer’s disease, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - DA Pugh
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Ronald M. Loeb Center for Alzheimer’s disease, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - C Pedicone
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Ronald M. Loeb Center for Alzheimer’s disease, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - L Oja
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Ronald M. Loeb Center for Alzheimer’s disease, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - SA Weitzman
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Ronald M. Loeb Center for Alzheimer’s disease, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - Y Liu
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Ronald M. Loeb Center for Alzheimer’s disease, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - JL Chen
- Department of Chemistry, Scripps Research Institute, Jupiter, FL, United States of America
| | - MD Disney
- Department of Chemistry, Scripps Research Institute, Jupiter, FL, United States of America
| | - AM Goate
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Ronald M. Loeb Center for Alzheimer’s disease, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
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Minaya MA, Mahali S, Iyer AK, Eteleeb AM, Martinez R, Huang G, Budde J, Temple S, Nana AL, Seeley WW, Spina S, Grinberg LT, Harari O, Karch CM. Conserved gene signatures shared among MAPT mutations reveal defects in calcium signaling. Front Mol Biosci 2023; 10:1051494. [PMID: 36845551 PMCID: PMC9948093 DOI: 10.3389/fmolb.2023.1051494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 01/13/2023] [Indexed: 02/11/2023] Open
Abstract
Introduction: More than 50 mutations in the MAPT gene result in heterogeneous forms of frontotemporal lobar dementia with tau inclusions (FTLD-Tau). However, early pathogenic events that lead to disease and the degree to which they are common across MAPT mutations remain poorly understood. The goal of this study is to determine whether there is a common molecular signature of FTLD-Tau. Methods: We analyzed genes differentially expressed in induced pluripotent stem cell-derived neurons (iPSC-neurons) that represent the three major categories of MAPT mutations: splicing (IVS10 + 16), exon 10 (p.P301L), and C-terminal (p.R406W) compared with isogenic controls. The genes that were commonly differentially expressed in MAPT IVS10 + 16, p.P301L, and p.R406W neurons were enriched in trans-synaptic signaling, neuronal processes, and lysosomal function. Many of these pathways are sensitive to disruptions in calcium homeostasis. One gene, CALB1, was significantly reduced across the three MAPT mutant iPSC-neurons and in a mouse model of tau accumulation. We observed a significant reduction in calcium levels in MAPT mutant neurons compared with isogenic controls, pointing to a functional consequence of this disrupted gene expression. Finally, a subset of genes commonly differentially expressed across MAPT mutations were also dysregulated in brains from MAPT mutation carriers and to a lesser extent in brains from sporadic Alzheimer disease and progressive supranuclear palsy, suggesting that molecular signatures relevant to genetic and sporadic forms of tauopathy are captured in a dish. The results from this study demonstrate that iPSC-neurons capture molecular processes that occur in human brains and can be used to pinpoint common molecular pathways involving synaptic and lysosomal function and neuronal development, which may be regulated by disruptions in calcium homeostasis.
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Affiliation(s)
- Miguel A. Minaya
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, United States
| | - Sidhartha Mahali
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, United States
| | - Abhirami K. Iyer
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, United States
| | - Abdallah M. Eteleeb
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, United States
| | - Rita Martinez
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, United States
| | - Guangming Huang
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, United States
| | - John Budde
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, United States
| | - Sally Temple
- Neural Stem Cell Institute, Rensselaer, NY, United States
| | - Alissa L. Nana
- Department of Neurology, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States
| | - William W. Seeley
- Department of Neurology, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States
| | - Salvatore Spina
- Department of Neurology, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States
| | - Lea T. Grinberg
- Department of Neurology, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, United States
- Department of Pathology, University of Sao Paulo, Sao Paulo, Brazil
| | - Oscar Harari
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, United States
- Hope Center for Neurological Disorders, Washington University in St Louis, St Louis, MO, United States
- NeuroGenomics and Informatics Center, Washington University in St Louis, St Louis, MO, United States
| | - Celeste M. Karch
- Department of Psychiatry, Washington University in St Louis, St Louis, MO, United States
- Hope Center for Neurological Disorders, Washington University in St Louis, St Louis, MO, United States
- NeuroGenomics and Informatics Center, Washington University in St Louis, St Louis, MO, United States
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Hromadkova L, Siddiqi MK, Liu H, Safar JG. Populations of Tau Conformers Drive Prion-like Strain Effects in Alzheimer's Disease and Related Dementias. Cells 2022; 11:2997. [PMID: 36230957 PMCID: PMC9562632 DOI: 10.3390/cells11192997] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/13/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022] Open
Abstract
Recent findings of diverse populations of prion-like conformers of misfolded tau protein expand the prion concept to Alzheimer's disease (AD) and monogenic frontotemporal lobar degeneration (FTLD)-MAPT P301L, and suggest that distinct strains of misfolded proteins drive the phenotypes and progression rates in many neurodegenerative diseases. Notable progress in the previous decades has generated many lines of proof arguing that yeast, fungal, and mammalian prions determine heritable as well as infectious traits. The extraordinary phenotypic diversity of human prion diseases arises from structurally distinct prion strains that target, at different progression speeds, variable brain structures and cells. Although human prion research presents beneficial lessons and methods to study the mechanism of strain diversity of protein-only pathogens, the fundamental molecular mechanism by which tau conformers are formed and replicate in diverse tauopathies is still poorly understood. In this review, we summarize up to date advances in identification of diverse tau conformers through biophysical and cellular experimental paradigms, and the impact of heterogeneity of pathological tau strains on personalized structure- and strain-specific therapeutic approaches in major tauopathies.
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Affiliation(s)
- Lenka Hromadkova
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | | | - He Liu
- Department of Nutrition, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Jiri G. Safar
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Department of Neurology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Department of Neuroscience, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
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Silva MC, Nandi G, Donovan KA, Cai Q, Berry BC, Nowak RP, Fischer ES, Gray NS, Ferguson FM, Haggarty SJ. Discovery and Optimization of Tau Targeted Protein Degraders Enabled by Patient Induced Pluripotent Stem Cells-Derived Neuronal Models of Tauopathy. Front Cell Neurosci 2022; 16:801179. [PMID: 35317195 PMCID: PMC8934437 DOI: 10.3389/fncel.2022.801179] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 01/26/2022] [Indexed: 12/21/2022] Open
Abstract
Accumulation of misfolded, aggregating proteins concurrent with disease onset and progression is a hallmark of neurodegenerative proteinopathies. An important class of these are tauopathies, such as frontotemporal dementia (FTD) and Alzheimer’s disease (AD), associated with accumulation of aberrant forms of tau protein in the brain. Pathological tau undergoes abnormal post-translational modifications, misfolding, oligomerization and changes in solubility, cellular redistribution, and spreading. Development and testing of experimental therapeutics that target these pathological tau conformers requires use of cellular models that recapitulate neuronal endogenous, non-heterologous tau expression under genomic and physiological contexts relevant to disease. In this study, we employed FTD-patient induced pluripotent stem cells (iPSC)-derived neurons, expressing a tau variant or mutation, as primary models for driving a medicinal chemistry campaign around tau targeting degrader series. Our screening goal was to establish structure-activity relationships (SAR) for the different chemical series to identify the molecular composition that most efficiently led to tau degradation in human FTD ex vivo neurons. We describe the identification of the lead compound QC-01-175 and follow-up optimization strategies for this molecule. We present three final lead molecules with tau degradation activity in mutant neurons, which establishes potential disease relevance and will drive future studies on specificity and pharmacological properties.
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Affiliation(s)
- M. Catarina Silva
- Chemical Neurobiology Laboratory, Department of Neurology and Psychiatry, Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, United States
- Department of Neurology, Harvard Medical School, Boston, MA, United States
| | - Ghata Nandi
- Chemical Neurobiology Laboratory, Department of Neurology and Psychiatry, Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, United States
| | - Katherine A. Donovan
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, United States
| | - Quan Cai
- Department of Neurology, Harvard Medical School, Boston, MA, United States
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, United States
| | - Bethany C. Berry
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, United States
| | - Radoslaw P. Nowak
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, United States
| | - Eric S. Fischer
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, United States
| | - Nathanael S. Gray
- Department of Neurology, Harvard Medical School, Boston, MA, United States
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, United States
| | - Fleur M. Ferguson
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, United States
- *Correspondence: Fleur M. Ferguson,
| | - Stephen J. Haggarty
- Chemical Neurobiology Laboratory, Department of Neurology and Psychiatry, Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, United States
- Department of Neurology, Harvard Medical School, Boston, MA, United States
- Stephen J. Haggarty,
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5
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Bowles KR, Silva MC, Whitney K, Bertucci T, Berlind JE, Lai JD, Garza JC, Boles NC, Mahali S, Strang KH, Marsh JA, Chen C, Pugh DA, Liu Y, Gordon RE, Goderie SK, Chowdhury R, Lotz S, Lane K, Crary JF, Haggarty SJ, Karch CM, Ichida JK, Goate AM, Temple S. ELAVL4, splicing, and glutamatergic dysfunction precede neuron loss in MAPT mutation cerebral organoids. Cell 2021; 184:4547-4563.e17. [PMID: 34314701 PMCID: PMC8635409 DOI: 10.1016/j.cell.2021.07.003] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 05/06/2021] [Accepted: 06/30/2021] [Indexed: 12/21/2022]
Abstract
Frontotemporal dementia (FTD) because of MAPT mutation causes pathological accumulation of tau and glutamatergic cortical neuronal death by unknown mechanisms. We used human induced pluripotent stem cell (iPSC)-derived cerebral organoids expressing tau-V337M and isogenic corrected controls to discover early alterations because of the mutation that precede neurodegeneration. At 2 months, mutant organoids show upregulated expression of MAPT, glutamatergic signaling pathways, and regulators, including the RNA-binding protein ELAVL4, and increased stress granules. Over the following 4 months, mutant organoids accumulate splicing changes, disruption of autophagy function, and build-up of tau and P-tau-S396. By 6 months, tau-V337M organoids show specific loss of glutamatergic neurons as seen in individuals with FTD. Mutant neurons are susceptible to glutamate toxicity, which can be rescued pharmacologically by the PIKFYVE kinase inhibitor apilimod. Our results demonstrate a sequence of events that precede neurodegeneration, revealing molecular pathways associated with glutamate signaling as potential targets for therapeutic intervention in FTD.
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Affiliation(s)
- Kathryn R Bowles
- Ronald M. Loeb Center for Alzheimer's Disease, Friedman Brain Institute, Departments of Genetics and Genomic Sciences, Neuroscience, and Neurology, Icahn School of Medicine at Mount Sinai (ISMMS), New York, NY 10029, USA
| | - M Catarina Silva
- Chemical Neurobiology Laboratory, Center for Genomic Medicine, Departments of Neurology and Psychiatry, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Kristen Whitney
- Ronald M. Loeb Center for Alzheimer's Disease, Friedman Brain Institute, Departments of Genetics and Genomic Sciences, Neuroscience, and Neurology, Icahn School of Medicine at Mount Sinai (ISMMS), New York, NY 10029, USA; Department of Pathology, Neuropathology Brain Bank and Research Core, ISMMS, New York, NY 10029, USA
| | | | - Joshua E Berlind
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Jesse D Lai
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA; Amgen Research, One Amgen Center Dr., Thousand Oaks, CA 91320, USA
| | - Jacob C Garza
- Chemical Neurobiology Laboratory, Center for Genomic Medicine, Departments of Neurology and Psychiatry, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | | | - Sidhartha Mahali
- Department of Psychiatry, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - Kevin H Strang
- Ronald M. Loeb Center for Alzheimer's Disease, Friedman Brain Institute, Departments of Genetics and Genomic Sciences, Neuroscience, and Neurology, Icahn School of Medicine at Mount Sinai (ISMMS), New York, NY 10029, USA; Department of Pathology, Neuropathology Brain Bank and Research Core, ISMMS, New York, NY 10029, USA
| | - Jacob A Marsh
- Department of Psychiatry, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - Cynthia Chen
- Department of Psychiatry, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - Derian A Pugh
- Ronald M. Loeb Center for Alzheimer's Disease, Friedman Brain Institute, Departments of Genetics and Genomic Sciences, Neuroscience, and Neurology, Icahn School of Medicine at Mount Sinai (ISMMS), New York, NY 10029, USA
| | - Yiyuan Liu
- Ronald M. Loeb Center for Alzheimer's Disease, Friedman Brain Institute, Departments of Genetics and Genomic Sciences, Neuroscience, and Neurology, Icahn School of Medicine at Mount Sinai (ISMMS), New York, NY 10029, USA
| | - Ronald E Gordon
- Department of Pathology, Neuropathology Brain Bank and Research Core, ISMMS, New York, NY 10029, USA
| | | | | | - Steven Lotz
- Neural Stem Cell Institute, Rensselaer, NY 12144, USA
| | - Keith Lane
- Neural Stem Cell Institute, Rensselaer, NY 12144, USA
| | - John F Crary
- Department of Pathology, Neuropathology Brain Bank and Research Core, ISMMS, New York, NY 10029, USA
| | - Stephen J Haggarty
- Chemical Neurobiology Laboratory, Center for Genomic Medicine, Departments of Neurology and Psychiatry, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Celeste M Karch
- Department of Psychiatry, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - Justin K Ichida
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Alison M Goate
- Ronald M. Loeb Center for Alzheimer's Disease, Friedman Brain Institute, Departments of Genetics and Genomic Sciences, Neuroscience, and Neurology, Icahn School of Medicine at Mount Sinai (ISMMS), New York, NY 10029, USA.
| | - Sally Temple
- Neural Stem Cell Institute, Rensselaer, NY 12144, USA.
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Ercan-Herbst E, Ehrig J, Schöndorf DC, Behrendt A, Klaus B, Gomez Ramos B, Prat Oriol N, Weber C, Ehrnhoefer DE. A post-translational modification signature defines changes in soluble tau correlating with oligomerization in early stage Alzheimer's disease brain. Acta Neuropathol Commun 2019; 7:192. [PMID: 31796124 PMCID: PMC6892178 DOI: 10.1186/s40478-019-0823-2] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 09/29/2019] [Indexed: 02/07/2023] Open
Abstract
Tau is a microtubule-binding protein that can receive various post-translational modifications (PTMs) including phosphorylation, methylation, acetylation, glycosylation, nitration, sumoylation and truncation. Hyperphosphorylation of tau is linked to its aggregation and the formation of neurofibrillary tangles (NFTs), which are a hallmark of Alzheimer's disease (AD). While more than 70 phosphorylation sites have been detected previously on NFT tau, studies of oligomeric and detergent-soluble tau in human brains during the early stages of AD are lacking. Here we apply a comprehensive electrochemiluminescence ELISA assay to analyze twenty-five different PTM sites as well as tau oligomerization in control and sporadic AD brain. The samples were classified as Braak stages 0-I, II or III-IV, corresponding to the progression of microscopically detectable tau pathology throughout different brain regions. We found that soluble tau multimers are strongly increased at Braak stages III-IV in all brain regions under investigation, including the temporal cortex, which does not contain NFTs or misfolded oligomers at this stage of pathology. We additionally identified five phosphorylation sites that are specifically and consistently increased across the entorhinal cortex, hippocampus and temporal cortex in the same donors. Three of these sites correlate with tau multimerization in all three brain regions, but do not overlap with the epitopes of phospho-sensitive antibodies commonly used for the immunohistochemical detection of NFTs. Our results thus suggest that soluble multimers are characterized by a small set of specific phosphorylation events that differ from those dominating in mature NFTs. These findings shed light on early PTM changes of tau during AD pathogenesis in human brains.
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Affiliation(s)
- Ebru Ercan-Herbst
- BioMed X Innovation Center, Im Neuenheimer Feld 515, 69120, Heidelberg, Germany
| | - Jens Ehrig
- B CUBE - Center for Molecular Bioengineering, Technische Universitaet Dresden, 01307, Dresden, Germany
| | - David C Schöndorf
- BioMed X Innovation Center, Im Neuenheimer Feld 515, 69120, Heidelberg, Germany
| | - Annika Behrendt
- BioMed X Innovation Center, Im Neuenheimer Feld 515, 69120, Heidelberg, Germany
| | - Bernd Klaus
- Centre for Statistical Data Analysis, European Molecular Biology Laboratory (EMBL), 69117, Heidelberg, Germany
| | - Borja Gomez Ramos
- BioMed X Innovation Center, Im Neuenheimer Feld 515, 69120, Heidelberg, Germany
- Present address: Life Sciences Research Unit, University of Luxembourg, L-4367, Belvaux, Luxembourg
- Present address: Luxembourg Centre for Systems Biomedicine, University of Luxembourg, L-4362, Esch-sur-Alzette, Luxembourg
| | - Nuria Prat Oriol
- BioMed X Innovation Center, Im Neuenheimer Feld 515, 69120, Heidelberg, Germany
| | - Christian Weber
- BioMed X Innovation Center, Im Neuenheimer Feld 515, 69120, Heidelberg, Germany
| | - Dagmar E Ehrnhoefer
- BioMed X Innovation Center, Im Neuenheimer Feld 515, 69120, Heidelberg, Germany.
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