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Koper MJ, Van Schoor E, Ospitalieri S, Vandenberghe R, Vandenbulcke M, von Arnim C, Tousseyn T, Reichwald J, Rabe S, Staufenbiel M, Balusu S, De Strooper B, Thal DR. Alzheimer’s disease‐related necroptotic pathology: An exclusive presence of the necrosome in granulovacuolar degeneration inclusions in human and transgenic mouse brains. Alzheimers Dement 2020. [DOI: 10.1002/alz.042460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Marta J. Koper
- KU Leuven Leuven Belgium
- VIB Center for Brain & Disease Research Leuven Belgium
| | - Evelien Van Schoor
- KU Leuven Leuven Belgium
- VIB Center for Brain & Disease Research Leuven Belgium
| | | | | | | | - Christine von Arnim
- Ulm University Hospital Ulm Germany
- University Medical Center Göttingen Göttingen Germany
| | | | - Julia Reichwald
- Novartis Institutes for Biomedical Sciences Basel Switzerland
| | - Sabine Rabe
- Novartis Institutes for Biomedical Sciences Basel Switzerland
| | | | - Sriram Balusu
- KU Leuven Leuven Belgium
- VIB Center for Brain & Disease Research Leuven Belgium
| | - Bart De Strooper
- KU Leuven Leuven Belgium
- VIB Center for Brain & Disease Research Leuven Belgium
- UK Dementia Research Institute at UCL London United Kingdom
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Gomes LA, Hipp SA, Rijal Upadhaya A, Balakrishnan K, Ospitalieri S, Koper MJ, Largo-Barrientos P, Uytterhoeven V, Reichwald J, Rabe S, Vandenberghe R, von Arnim CAF, Tousseyn T, Feederle R, Giudici C, Willem M, Staufenbiel M, Thal DR. Aβ-induced acceleration of Alzheimer-related τ-pathology spreading and its association with prion protein. Acta Neuropathol 2019; 138:913-941. [PMID: 31414210 DOI: 10.1007/s00401-019-02053-5] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 07/26/2019] [Accepted: 07/31/2019] [Indexed: 12/15/2022]
Abstract
Extracellular deposition of amyloid β-protein (Aβ) in amyloid plaques and intracellular accumulation of abnormally phosphorylated τ-protein (p-τ) in neurofibrillary tangles (NFTs) represent pathological hallmark lesions of Alzheimer's disease (AD). Both lesions develop in parallel in the human brain throughout the preclinical and clinical course of AD. Nevertheless, it is not yet clear whether there is a direct link between Aβ and τ pathology or whether other proteins are involved in this process. To address this question, we crossed amyloid precursor protein (APP) transgenic mice overexpressing human APP with the Swedish mutation (670/671 KM → NL) (APP23), human wild-type APP (APP51/16), or a proenkephalin signal peptide linked to human Aβ42 (APP48) with τ-transgenic mice overexpressing human mutant 4-repeat τ-protein with the P301S mutation (TAU58). In 6-month-old APP23xTAU58 and APP51/16xTAU58 mice, soluble Aβ was associated with the aggravation of p-τ pathology propagation into the CA1/subiculum region, whereas 6-month-old TAU58 and APP48xTAU58 mice neither exhibited significant amounts of p-τ pathology in the CA1/subiculum region nor displayed significant levels of soluble Aβ in the forebrain. In APP23xTAU58 and APP51/16xTAU58 mice showing an acceleration of p-τ propagation, Aβ and p-τ were co-immunoprecipitated with cellular prion protein (PrPC). A similar interaction between PrPC, p-τ and Aβ was observed in human AD brains. This association was particularly noticed in 60% of the symptomatic AD cases in our sample, suggesting that PrPC may play a role in the progression of AD pathology. An in vitro pull-down assay confirmed that PrPC is capable of interacting with Aβ and p-τ. Using a proximity ligation assay, we could demonstrate proximity (less than ~ 30-40 nm distance) between PrPC and Aβ and between PrPC and p-τ in APP23xTAU58 mouse brain as well as in human AD brain. Proximity between PrPC and p-τ was also seen in APP51/16xTAU58, APP48xTAU58, and TAU58 mice. Based on these findings, it is tempting to speculate that PrPC is a critical player in the interplay between Aβ and p-τ propagation at least in a large group of AD cases. Preexisting p-τ pathology interacting with PrPC, thereby, appears to be a prerequisite for Aβ to function as a p-τ pathology accelerator via PrPC.
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Affiliation(s)
- Luis Aragão Gomes
- Laboratory for Neuropathology, Department of Imaging and Pathology, KU-Leuven, Leuven, Belgium
- Leuven Brain Institute, KU-Leuven, Leuven, Belgium
| | - Silvia Andrea Hipp
- Laboratory for Neuropathology, Institute of Pathology, University of Ulm, Ulm, Germany
- Anasthesiology and Intensive Medicine, University Hospital of Tübingen, Tübingen, Germany
| | - Ajeet Rijal Upadhaya
- Laboratory for Neuropathology, Institute of Pathology, University of Ulm, Ulm, Germany
| | - Karthikeyan Balakrishnan
- Laboratory for Neuropathology, Institute of Pathology, University of Ulm, Ulm, Germany
- Department of Gene Therapy, University of Ulm, Ulm, Germany
| | - Simona Ospitalieri
- Laboratory for Neuropathology, Department of Imaging and Pathology, KU-Leuven, Leuven, Belgium
- Leuven Brain Institute, KU-Leuven, Leuven, Belgium
| | - Marta J Koper
- Laboratory for Neuropathology, Department of Imaging and Pathology, KU-Leuven, Leuven, Belgium
- Leuven Brain Institute, KU-Leuven, Leuven, Belgium
- Laboratory for the Research of Neurodegenerative Diseases, Department of Neurosciences, KU Leuven (University of Leuven), Leuven, Belgium
- VIB, Center for Brain and Disease Research, Leuven, Belgium
| | - Pablo Largo-Barrientos
- VIB, Center for Brain and Disease Research, Leuven, Belgium
- Department of Neurosciences, KU-Leuven, Leuven, Belgium
| | - Valerie Uytterhoeven
- VIB, Center for Brain and Disease Research, Leuven, Belgium
- Department of Neurosciences, KU-Leuven, Leuven, Belgium
| | - Julia Reichwald
- Novartis Institutes for Biomedical Sciences, Basel, Switzerland
| | - Sabine Rabe
- Novartis Institutes for Biomedical Sciences, Basel, Switzerland
| | - Rik Vandenberghe
- Leuven Brain Institute, KU-Leuven, Leuven, Belgium
- Experimental Neurology Group, Department of Neurosciences, KU Leuven, Leuven, Belgium
- Department of Neurology, UZ-Leuven, Leuven, Belgium
| | - Christine A F von Arnim
- Department of Neurology, University of Ulm, Ulm, Germany
- Clinic for Neurogeriatrics and Neurological Rehabilitation, University- und Rehabilitation Hospital Ulm (RKU), Ulm, Germany
| | | | - Regina Feederle
- Institute for Diabetes and Obesity, Monoclonal Antibody Research Group, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Munich, Germany
- German Center for Neurodegenerative Diseases (DZNE) Munich, 81377, Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), 81377, Munich, Germany
| | - Camilla Giudici
- German Center for Neurodegenerative Diseases (DZNE) Munich, 81377, Munich, Germany
| | - Michael Willem
- Chair of Metabolic Biochemistry, Biomedical Center (BMC), Faculty of Medicine, Ludwig-Maximilians-University Munich, 81377, Munich, Germany
| | | | - Dietmar Rudolf Thal
- Laboratory for Neuropathology, Department of Imaging and Pathology, KU-Leuven, Leuven, Belgium.
- Leuven Brain Institute, KU-Leuven, Leuven, Belgium.
- Laboratory for Neuropathology, Institute of Pathology, University of Ulm, Ulm, Germany.
- Department of Pathology, UZ Leuven, Leuven, Belgium.
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Maia LF, Kaeser SA, Reichwald J, Lambert M, Obermüller U, Schelle J, Odenthal J, Martus P, Staufenbiel M, Jucker M. Increased CSF Aβ during the very early phase of cerebral Aβ deposition in mouse models. EMBO Mol Med 2016; 7:895-903. [PMID: 25978969 PMCID: PMC4520655 DOI: 10.15252/emmm.201505026] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Abnormalities in brains of Alzheimer's disease (AD) patients are thought to start long before the first clinical symptoms emerge. The identification of affected individuals at this ‘preclinical AD’ stage relies on biomarkers such as decreased levels of the amyloid-β peptide (Aβ) in the cerebrospinal fluid (CSF) and positive amyloid positron emission tomography scans. However, there is little information on the longitudinal dynamics of CSF biomarkers, especially in the earliest disease stages when therapeutic interventions are likely most effective. To this end, we have studied CSF Aβ changes in three Aβ precursor protein transgenic mouse models, focusing our analysis on the initial Aβ deposition, which differs significantly among the models studied. Remarkably, while we confirmed the CSF Aβ decrease during the extended course of brain Aβ deposition, a 20–30% increase in CSF Aβ40 and Aβ42 was found around the time of the first Aβ plaque appearance in all models. The biphasic nature of this observed biomarker changes stresses the need for longitudinal biomarker studies in the clinical setting and the search for new ‘preclinical AD’ biomarkers at even earlier disease stages, by using both mice and human samples. Ultimately, our findings may open new perspectives in identifying subjects at risk for AD significantly earlier, and in improving the stratification of patients for preventive treatment strategies.
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Affiliation(s)
- Luis F Maia
- Department of Cellular Neurology, Hertie Institute for Clinical Brain Research University of Tübingen, Tübingen, Germany DZNE, German Center for Neurodegenerative Diseases, Tübingen, Germany Department of Neurology, Hospital de Santo António-CHP, Porto, Portugal
| | - Stephan A Kaeser
- Department of Cellular Neurology, Hertie Institute for Clinical Brain Research University of Tübingen, Tübingen, Germany DZNE, German Center for Neurodegenerative Diseases, Tübingen, Germany
| | - Julia Reichwald
- Novartis Institutes for Biomedical Research Neuroscience Discovery Basel, Basel, Switzerland
| | - Marius Lambert
- Department of Cellular Neurology, Hertie Institute for Clinical Brain Research University of Tübingen, Tübingen, Germany DZNE, German Center for Neurodegenerative Diseases, Tübingen, Germany
| | - Ulrike Obermüller
- Department of Cellular Neurology, Hertie Institute for Clinical Brain Research University of Tübingen, Tübingen, Germany DZNE, German Center for Neurodegenerative Diseases, Tübingen, Germany
| | - Juliane Schelle
- Department of Cellular Neurology, Hertie Institute for Clinical Brain Research University of Tübingen, Tübingen, Germany DZNE, German Center for Neurodegenerative Diseases, Tübingen, Germany
| | - Jörg Odenthal
- Department of Cellular Neurology, Hertie Institute for Clinical Brain Research University of Tübingen, Tübingen, Germany DZNE, German Center for Neurodegenerative Diseases, Tübingen, Germany
| | - Peter Martus
- Institute of Clinical Epidemiology and applied Biostatistics University of Tübingen, Tübingen, Germany
| | - Matthias Staufenbiel
- Department of Cellular Neurology, Hertie Institute for Clinical Brain Research University of Tübingen, Tübingen, Germany DZNE, German Center for Neurodegenerative Diseases, Tübingen, Germany Novartis Institutes for Biomedical Research Neuroscience Discovery Basel, Basel, Switzerland
| | - Mathias Jucker
- Department of Cellular Neurology, Hertie Institute for Clinical Brain Research University of Tübingen, Tübingen, Germany DZNE, German Center for Neurodegenerative Diseases, Tübingen, Germany
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Balakrishnan K, Rijal Upadhaya A, Steinmetz J, Reichwald J, Abramowski D, Fändrich M, Kumar S, Yamaguchi H, Walter J, Staufenbiel M, Thal DR. Impact of amyloid β aggregate maturation on antibody treatment in APP23 mice. Acta Neuropathol Commun 2015; 3:41. [PMID: 26141728 PMCID: PMC4491274 DOI: 10.1186/s40478-015-0217-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 06/08/2015] [Indexed: 12/31/2022] Open
Abstract
Introduction The deposition of the amyloid β protein (Aβ) in the brain is a hallmark of Alzheimer's disease (AD). Removal of Aβ by Aβ-antibody treatment has been developed as a potential treatment strategy against AD. First clinical trials showed neither a stop nor a reduction of disease progression. Recently, we have shown that the formation of soluble and insoluble Aβ aggregates in the human brain follows a hierarchical sequence of three biochemical maturation stages (B-Aβ stages). To test the impact of the B-Aβ stage on Aβ immunotherapy, we treated transgenic mice expressing human amyloid precursor protein (APP) carrying the Swedish mutation (KM670/671NL; APP23) with the Aβ-antibody β1 or phosphate-buffered saline (PBS) beginning 1) at 3 months, before the onset of dendrite degeneration and plaque deposition, and 2) at 7 months, after the start of Aβ plaque deposition and dendrite degeneration. Results At 5 months of age, first Aβ aggregates in APP23 brain consisted of non-modified Aβ (representing B-Aβ stage 1) whereas mature Aβ-aggregates containing N-terminal truncated, pyroglutamate-modified AβN3pE and phosphorylated Aβ (representing B-Aβ stage 3) were found at 11 months of age in both β1- and PBS-treated animals. Protective effects on commissural neurons with highly ramified dendritic trees were observed only in 3-month-old β1-treated animals sacrificed at 5 months. When treatment started at 7 months of age, no differences in the numbers of healthy commissural neurons were observed between β1- and PBS-treated APP23 mice sacrificed with 11 months. Conclusions Aβ antibody treatment was capable of protecting neurons from dendritic degeneration as long as Aβ aggregation was absent or represented B-Aβ stage 1 but had no protective or curative effect in later stages with mature Aβ aggregates (B-Aβ stage 3). These data indicate that the maturation stage of Aβ aggregates has impact on potential treatment effects in APP23 mice. Electronic supplementary material The online version of this article (doi:10.1186/s40478-015-0217-z) contains supplementary material, which is available to authorized users.
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Maia LF, Kaeser SA, Reichwald J, Hruscha M, Martus P, Staufenbiel M, Jucker M. Changes in Amyloid- and Tau in the Cerebrospinal Fluid of Transgenic Mice Overexpressing Amyloid Precursor Protein. Sci Transl Med 2013; 5:194re2. [DOI: 10.1126/scitranslmed.3006446] [Citation(s) in RCA: 131] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Paganetti P, Reichwald J, Bleckmann D, Abramowski D, Ammaturo D, Barske C, Danner S, Molinari M, Müller M, Papin S, Rabe S, Schmid P, Staufenbiel M. Transgenic expression of β1 antibody in brain neurons impairs age-dependent amyloid deposition in APP23 mice. Neurobiol Aging 2013; 34:2866-78. [PMID: 23870837 DOI: 10.1016/j.neurobiolaging.2013.06.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Revised: 05/22/2013] [Accepted: 06/18/2013] [Indexed: 11/19/2022]
Abstract
Heterologous expression of the functional amyloid beta (Aβ) antibody β1 in the central nervous system was engineered to maximize antibody exposure in the brain and assess the effects on Aβ production and accumulation in these conditions. A single open reading frame encoding the heavy and light chains of β1 linked by the mouth and foot virus peptide 2A was expressed in brain neurons of transgenic mice. Two of the resulting BIN66 transgenic lines were crossed with APP23 mice, which develop severe central amyloidosis. Brain concentrations at steady-state 5 times greater than those found after peripheral β1 administration were obtained. Similar brain and plasma β1 concentrations indicated robust antibody efflux from the brain. In preplaque mice, β1 formed a complex with Aβ that caused a modest Aβ increase in brain and plasma. At 11 months of age, β1 expression reduced amyloid by 97% compared with age-matched APP23 mice. Interference of β1 with β-secretase cleavage of amyloid precursor protein was relatively small. Our data suggest that severely impaired amyloid formation was primarily mediated by a complex of β1 with soluble Aβ, which might have prevented Aβ aggregation or favored transport out of the brain.
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Affiliation(s)
- Paolo Paganetti
- Novartis Institutes for Biomedical Research, Basel, Switzerland.
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Rabe S, Reichwald J, Ammaturo D, de Strooper B, Saftig P, Neumann U, Staufenbiel M. The Swedish APP mutation alters the effect of genetically reduced BACE1 expression on the APP processing. J Neurochem 2011; 119:231-9. [DOI: 10.1111/j.1471-4159.2011.07412.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Reichwald J, Danner S, Wiederhold KH, Staufenbiel M. Expression of complement system components during aging and amyloid deposition in APP transgenic mice. J Neuroinflammation 2009; 6:35. [PMID: 19917141 PMCID: PMC2784442 DOI: 10.1186/1742-2094-6-35] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2009] [Accepted: 11/17/2009] [Indexed: 12/02/2022] Open
Abstract
Background A causal role of the complement system in Alzheimer's disease pathogenesis has been postulated based on the identification of different activated components up to the membrane attack complex at amyloid plaques in brain. However, histological studies of amyloid plaque bearing APP transgenic mice provided only evidence for an activation of the early parts of the complement cascade. To better understand the contribution of normal aging and amyloid deposition to the increase in complement activation we performed a detailed characterization of the expression of the major mouse complement components. Methods APP23 mice expressing human APP751 with the Swedish double mutation as well as C57BL/6 mice were used at different ages. mRNA was quantified by Realtime PCR and the age- as well as amyloid induced changes determined. The protein levels of complement C1q and C3 were analysed by Western blotting. Histology was done to test for amyloid plaque association and activation of the complement cascade. Results High mRNA levels were detected for C1q and some inhibitory complement components. The expression of most activating components starting at C3 was low. Expression of C1q, C3, C4, C5 and factor B mRNA increased with age in control C57BL/6 mice. C1q and C3 mRNA showed a substantial additional elevation during amyloid formation in APP23 mice. This increase was confirmed on the protein level using Western blotting, whereas immunohistology indicated a recruitment of complement to amyloid plaques up to the C3 convertase. Conclusion Early but not late components of the mouse complement system show an age-dependent increase in expression. The response to amyloid deposition is comparatively smaller. The low expression of C3 and C5 and failure to upregulate C5 and downstream components differs from human AD brain and likely contributes to the lack of full complement activation in APP transgenic mice.
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Affiliation(s)
- Julia Reichwald
- Novartis Institutes for BioMedical Research, Forum1, Novartis Campus, CH-4056 Basel, Switzerland.
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Staufenbiel M, Beibel M, Danner S, Reichwald J, Wiederhold K. O2‐05‐06: Strong parenchymal amyloid reduction following CAD106 immunotherapy is associated with an increase in vascular Aβ but not microhemorrhages. Alzheimers Dement 2009. [DOI: 10.1016/j.jalz.2009.05.357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Martin Beibel
- Novartis Institutes for BioMedical ResearchBaselSwitzerland
| | - Simone Danner
- Novartis Institutes for BioMedical ResearchBaselSwitzerland
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Abramowski D, Wiederhold KH, Furrer U, Jaton AL, Neuenschwander A, Runser MJ, Danner S, Reichwald J, Ammaturo D, Staab D, Stoeckli M, Rueeger H, Neumann U, Staufenbiel M. Dynamics of Abeta turnover and deposition in different beta-amyloid precursor protein transgenic mouse models following gamma-secretase inhibition. J Pharmacol Exp Ther 2008; 327:411-24. [PMID: 18687920 DOI: 10.1124/jpet.108.140327] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Human beta-amyloid precursor protein (APP) transgenic mice are commonly used to test potential therapeutics for Alzheimer's disease. We have characterized the dynamics of beta-amyloid (Abeta) generation and deposition following gamma-secretase inhibition with compound LY-411575 [N(2)-[(2S)-2-(3,5-difluorophenyl)-2-hydroxyethanoyl]-N(1)-[(7S)-5-methyl-6-oxo-6,7-dihydro-5H-dibenzo[b,d]azepin-7-yl]-L-alaninamide]. Kinetic studies in preplaque mice distinguished a detergent-soluble Abeta pool in brain with rapid turnover (half-lives for Abeta40 and Abeta42 were 0.7 and 1.7 h) and a much more stable, less soluble pool. Abeta in cerebrospinal fluid (CSF) reflected the changes in the soluble brain Abeta pool, whereas plasma Abeta turned over more rapidly. In brain, APP C-terminal fragments (CTF) accumulated differentially. The half-lives for gamma-secretase degradation were estimated as 0.4 and 0.1 h for C99 and C83, respectively. Three different APP transgenic lines responded very similarly to gamma-secretase inhibition regardless of the familial Alzheimer's disease mutations in APP. Amyloid deposition started with Abeta42, whereas Abeta38 and Abeta40 continued to turn over. Chronic gamma-secretase inhibition lowered amyloid plaque formation to a different degree in different brain regions of the same mice. The extent was inversely related to the initial amyloid load in the region analyzed. No evidence for plaque removal below baseline was obtained. gamma-Secretase inhibition led to a redistribution of intracellular Abeta and an elevation of CTFs in neuronal fibers. In CSF, Abeta showed a similar turnover as in preplaque animals demonstrating its suitability as marker of newly generated, soluble Abeta in plaque-bearing brain. This study supports the use of APP transgenic mice as translational models to characterize Abeta-lowering therapeutics.
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Reichwald J, Danner S, Wiederhold KH, Staufenbiel M. P3–282: Expression of complement system components during amyloid deposition in APP transgenic mice. Alzheimers Dement 2006. [DOI: 10.1016/j.jalz.2006.05.1551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | - Simone Danner
- Novartis Institutes for BioMedical ResearchBaselSwitzerland
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