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Kaushik K, van Etten ES, Siegerink B, Kappelle LJ, Lemstra AW, Schreuder FH, Klijn CJ, Peul WC, Terwindt GM, van Walderveen MA, Wermer MJ. Iatrogenic Cerebral Amyloid Angiopathy Post Neurosurgery: Frequency, Clinical Profile, Radiological Features, and Outcome. Stroke 2023; 54:1214-1223. [PMID: 37035916 PMCID: PMC10121246 DOI: 10.1161/strokeaha.122.041690] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 03/01/2023] [Accepted: 03/14/2023] [Indexed: 04/11/2023]
Abstract
BACKGROUND Prion-like transmission of amyloid-ß through cadaveric dura, decades after neurosurgical procedures, has been hypothesized as an iatrogenic cause of cerebral amyloid angiopathy (CAA). We investigated new and previously described patients to assess the clinical profile, radiological features, and outcome of this presumed iatrogenic CAA-subtype (iCAA). METHODS Patients were collected from our prospective lobar hemorrhage and CAA database (n=251) with patients presenting to our hospital between 2008 and 2022. In addition, we identified patients with iCAA from 2 other Dutch CAA-expertise hospitals and performed a systematic literature-search for previously described patients. We classified patients according to the previously proposed diagnostic criteria for iCAA, assessed clinical and radiological disease features, and calculated intracerebral hemorrhage (ICH)-recurrence rates. We evaluated the spatial colocalization of cadaveric dura placement and CAA-associated magnetic resonance imaging markers. RESULTS We included 49 patients (74% men, mean age 43 years [range, 27-84]); 15 from our database (6% [95% CI, 3%-10%]; 45% of patients <55 years), 3 from the 2 other CAA-expertise hospitals, and 31 from the literature. We classified 43% (n=21; 1 newly identified patient) as probable and 57% (n=28) as possible iCAA. Patients presented with lobar ICH (57%), transient focal neurological episodes (12%), or seizures (8%). ICH-recurrence rate in the new patients (16/100 person-years [95% CI, 7-32], median follow-up 18 months) was lower than in the previously described patients (77/100 person-years [95% CI, 59-99], median follow-up 18 months). One patient had a 10 year interlude without ICH-recurrence. We identified no clear spatial relationship between dura placement and CAA-associated magnetic resonance imaging markers. During follow-up (median, 18 months), 20% of the patients developed transient focal neurological episodes and 20% cognitively declined. CONCLUSIONS iCAA seems common in patients presenting with nonhereditary CAA under the age of 55. Clinical and radiological features are comparable with sCAA. After diagnosis, multiple ICH-recurrences but also long symptom-free intervals can occur. Harmonized registries are necessary to identify and understand this potentially underrecognized CAA-subtype.
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Affiliation(s)
- Kanishk Kaushik
- Department of Neurology (K.K., E.S.v.E., G.M.T., M.J.H.W.), Leiden University Medical Center, the Netherlands
| | - Ellis S. van Etten
- Department of Neurology (K.K., E.S.v.E., G.M.T., M.J.H.W.), Leiden University Medical Center, the Netherlands
| | - Bob Siegerink
- Department of Clinical Epidemiology (B.S.), Leiden University Medical Center, the Netherlands
| | - L. Jaap Kappelle
- Department of Neurology, University Medical Center Utrecht, the Netherlands (L.J.K.)
| | - Afina W. Lemstra
- Department of Neurology, Alzheimer center Amsterdam, Amsterdam University Medical Center, the Netherlands (A.W.L.)
| | - Floris H.B.M. Schreuder
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, the Netherlands (F.H.B.M.S., C.J.M.K.)
| | - Catharina J.M. Klijn
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, the Netherlands (F.H.B.M.S., C.J.M.K.)
| | - Wilco C. Peul
- University Neurosurgical Center Holland, LUMC|HMC|HAGA Leiden & The Hague, the Netherlands (W.C.P.)
| | - Gisela M. Terwindt
- Department of Neurology (K.K., E.S.v.E., G.M.T., M.J.H.W.), Leiden University Medical Center, the Netherlands
| | | | - Marieke J.H. Wermer
- Department of Neurology (K.K., E.S.v.E., G.M.T., M.J.H.W.), Leiden University Medical Center, the Netherlands
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Mataram MBA, Hening P, Harjanti FN, Karnati S, Wasityastuti W, Nugrahaningsih DAA, Kusindarta DL, Wihadmadyatami H. The neuroprotective effect of ethanolic extract Ocimum sanctum Linn. in the regulation of neuronal density in hippocampus areas as a central autobiography memory on the rat model of Alzheimer's disease. J Chem Neuroanat 2020; 111:101885. [PMID: 33188864 DOI: 10.1016/j.jchemneu.2020.101885] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 11/05/2020] [Accepted: 11/06/2020] [Indexed: 11/24/2022]
Abstract
The aim of this study was to identify the effects of Ocimum sanctum Linn. ethanolic extract (OSE) on the neurons of the CA1, CA3, and DG hippocampal areas with the use of in vivo and in vitro models of Alzheimer's diseases (AD). Twenty-one two-month-old male rats were divided into three groups: untreated (Group A, n = 3), AD rats model pretreated with OSE followed by induction for Trimethyltin (TMT) on day 7 (group B, n = 9), and AD rats model treated with OSE both as pre-TMT introduction for 7 days and post-TMT induction for 21 days (group C, n = 9). AD rats were sacrificed on days 7, 14, and 21, and brain samples were collected and analyzed for neuronal density and neuropeptide Y (NPY) immunoreactivity. To corroborate the in vivo observations, HEK-293 cells were treated with TMT and used as an in vitro model of AD. The results were then analyzed using FITC Annexin V and flow cytometry. Nuclear fragmentation was observed in cells stained with Hoechst 33342 by confocal microscopy. The results showed a significant increase in the number of neurons and NPY expression in the AD rats that were pre- and post-treated with OSE (p < 0.05). Indeed, OSE was able to retain and promote neuronal density in the rat model of AD. Further studies of an in vitro model of neurodegeneration with Ocimum sanctum Linn. ethanolic extract inhibited apoptosis in TMT-induced HEK-293 cells. Moreover, OSE prevented nuclear fragmentation, which was confirmed by staining the nuclei of HEK-293 cells. Taken together, there findings suggest that OSE has the potential as a neuroprotective agent (retaining the autobiographical memory),and the neuroproliferation of neurons in the CA1, CA3, and DG hippocampal areas in the rats¡ model of neurodegeneration was mediated by activation of NPY expression.
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Affiliation(s)
| | - Puspa Hening
- Integrated Laboratory for Research and Testing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Fitria N Harjanti
- Department of Anatomy, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Srikanth Karnati
- Department of Anatomy and Cell Biology, Julius Maxilimilian University Wurzburg, Germany
| | - Widya Wasityastuti
- Department of Physiology, Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | | | - Dwi Liliek Kusindarta
- Department of Anatomy, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Hevi Wihadmadyatami
- Department of Anatomy, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia.
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Emborg ME. Nonhuman Primate Models of Neurodegenerative Disorders. ILAR J 2018; 58:190-201. [PMID: 28985333 DOI: 10.1093/ilar/ilx021] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Indexed: 12/15/2022] Open
Abstract
Alzheimer's (AD), Huntington's (HD), and Parkinson's (PD) disease are age-related neurodegenerative disorders characterized by progressive neuronal cell death. Although each disease has particular pathologies and symptoms, accumulated evidence points to similar mechanisms of neurodegeneration, including inflammation, oxidative stress, and protein aggregation. A significant body of research is ongoing to understand how these pathways affect each other and what ultimately triggers the onset of the disease. Experiments in nonhuman primates (NHPs) account for only 5% of all research in animals. Yet the impact of NHP studies for clinical translation is much greater, especially for neurodegenerative disorders, as NHPs have a complex cognitive and motor functions and highly developed neuroanatomy. New NHP models are emerging to better understand pathology and improve the platform in which to test novel therapies. The goal of this report is to review NHP models of AD, HD, and PD in the context of the current understanding of these diseases and their contribution to the development of novel therapies.
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Affiliation(s)
- Marina E Emborg
- Preclinical Parkinson's Research Program, Wisconsin National Primate Research Center.,Department of Medical Physics, University of Wisconsin, Madison, Wisconsin
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Lichtenegger A, Harper DJ, Augustin M, Eugui P, Muck M, Gesperger J, Hitzenberger CK, Woehrer A, Baumann B. Spectroscopic imaging with spectral domain visible light optical coherence microscopy in Alzheimer's disease brain samples. BIOMEDICAL OPTICS EXPRESS 2017; 8:4007-4025. [PMID: 28966843 PMCID: PMC5611919 DOI: 10.1364/boe.8.004007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 08/02/2017] [Accepted: 08/02/2017] [Indexed: 05/18/2023]
Abstract
A visible light spectral domain optical coherence microscopy system was developed. A high axial resolution of 0.88 μm in tissue was achieved using a broad visible light spectrum (425 - 685 nm). Healthy human brain tissue was imaged to quantify the difference between white (WM) and grey matter (GM) in intensity and attenuation. The high axial resolution enables the investigation of amyloid-beta plaques of various sizes in human brain tissue and animal models of Alzheimer's disease (AD). By performing a spectroscopic analysis of the OCM data, differences in the characteristics for WM, GM, and neuritic amyloid-beta plaques were found. To gain additional contrast, Congo red stained AD brain tissue was investigated. A first effort was made to investigate optically cleared mouse brain tissue to increase the penetration depth and visualize hyperscattering structures in deeper cortical regions.
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Affiliation(s)
- Antonia Lichtenegger
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna,
Austria
| | - Danielle J. Harper
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna,
Austria
| | - Marco Augustin
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna,
Austria
| | - Pablo Eugui
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna,
Austria
| | - Martina Muck
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna,
Austria
- Institute of Neurology, General Hospital and Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna,
Austria
| | - Johanna Gesperger
- Institute of Neurology, General Hospital and Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna,
Austria
| | - Christoph K. Hitzenberger
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna,
Austria
| | - Adelheid Woehrer
- Institute of Neurology, General Hospital and Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna,
Austria
| | - Bernhard Baumann
- Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna,
Austria
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Ritchie DL, Adlard P, Peden AH, Lowrie S, Le Grice M, Burns K, Jackson RJ, Yull H, Keogh MJ, Wei W, Chinnery PF, Head MW, Ironside JW. Amyloid-β accumulation in the CNS in human growth hormone recipients in the UK. Acta Neuropathol 2017; 134:221-240. [PMID: 28349199 PMCID: PMC5508038 DOI: 10.1007/s00401-017-1703-0] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 03/15/2017] [Accepted: 03/18/2017] [Indexed: 12/31/2022]
Abstract
Human-to-human transmission of Creutzfeldt-Jakob disease (CJD) has occurred through medical procedures resulting in iatrogenic CJD (iCJD). One of the commonest causes of iCJD was the use of human pituitary-derived growth hormone (hGH) to treat primary or secondary growth hormone deficiency. As part of a comprehensive tissue-based analysis of the largest cohort yet collected (35 cases) of UK hGH-iCJD cases, we describe the clinicopathological phenotype of hGH-iCJD in the UK. In the 33/35 hGH-iCJD cases with sufficient paraffin-embedded tissue for full pathological examination, we report the accumulation of the amyloid beta (Aβ) protein associated with Alzheimer's disease (AD) in the brains and cerebral blood vessels in 18/33 hGH-iCJD patients and for the first time in 5/12 hGH recipients who died from causes other than CJD. Aβ accumulation was markedly less prevalent in age-matched patients who died from sporadic CJD and variant CJD. These results are consistent with the hypothesis that Aβ, which can accumulate in the pituitary gland, was present in the inoculated hGH preparations and had a seeding effect in the brains of around 50% of all hGH recipients, producing an AD-like neuropathology and cerebral amyloid angiopathy (CAA), regardless of whether CJD neuropathology had occurred. These findings indicate that Aβ seeding can occur independently and in the absence of the abnormal prion protein in the human brain. Our findings provide further evidence for the prion-like seeding properties of Aβ and give insights into the possibility of iatrogenic transmission of AD and CAA.
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Affiliation(s)
- Diane L Ritchie
- National CJD Research & Surveillance Unit, Centre for Clinical Brain Sciences, Deanery of Clinical Medicine, University of Edinburgh, Edinburgh, EH4 2XU, UK.
| | - Peter Adlard
- UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK
| | - Alexander H Peden
- National CJD Research & Surveillance Unit, Centre for Clinical Brain Sciences, Deanery of Clinical Medicine, University of Edinburgh, Edinburgh, EH4 2XU, UK
| | - Suzanne Lowrie
- National CJD Research & Surveillance Unit, Centre for Clinical Brain Sciences, Deanery of Clinical Medicine, University of Edinburgh, Edinburgh, EH4 2XU, UK
| | - Margaret Le Grice
- National CJD Research & Surveillance Unit, Centre for Clinical Brain Sciences, Deanery of Clinical Medicine, University of Edinburgh, Edinburgh, EH4 2XU, UK
| | - Kimberley Burns
- National CJD Research & Surveillance Unit, Centre for Clinical Brain Sciences, Deanery of Clinical Medicine, University of Edinburgh, Edinburgh, EH4 2XU, UK
| | - Rosemary J Jackson
- Centre for Cognitive and Neural Systems, University of Edinburgh, 1 George Square, Edinburgh, EH8 9JZ, UK
| | - Helen Yull
- National CJD Research & Surveillance Unit, Centre for Clinical Brain Sciences, Deanery of Clinical Medicine, University of Edinburgh, Edinburgh, EH4 2XU, UK
| | - Michael J Keogh
- Department of Clinical Neurosciences, University of Cambridge, Cambridge Biomedical Campus, Cambridge, CB2 0QQ, UK
| | - Wei Wei
- MRC Mitochondrial Biology Unit, University of Cambridge, Cambridge Biomedical Campus, Cambridge, CB2 0XY, UK
| | - Patrick F Chinnery
- MRC Mitochondrial Biology Unit, University of Cambridge, Cambridge Biomedical Campus, Cambridge, CB2 0XY, UK
| | - Mark W Head
- National CJD Research & Surveillance Unit, Centre for Clinical Brain Sciences, Deanery of Clinical Medicine, University of Edinburgh, Edinburgh, EH4 2XU, UK
| | - James W Ironside
- National CJD Research & Surveillance Unit, Centre for Clinical Brain Sciences, Deanery of Clinical Medicine, University of Edinburgh, Edinburgh, EH4 2XU, UK
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Baumann B, Woehrer A, Ricken G, Augustin M, Mitter C, Pircher M, Kovacs GG, Hitzenberger CK. Visualization of neuritic plaques in Alzheimer's disease by polarization-sensitive optical coherence microscopy. Sci Rep 2017; 7:43477. [PMID: 28262719 PMCID: PMC5337955 DOI: 10.1038/srep43477] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/24/2017] [Indexed: 12/16/2022] Open
Abstract
One major hallmark of Alzheimer's disease (AD) and cerebral amyloid angiopathy (CAA) is the deposition of extracellular senile plaques and vessel wall deposits composed of amyloid-beta (Aβ). In AD, degeneration of neurons is preceded by the formation of Aβ plaques, which show different morphological forms. Most of them are birefringent owing to the parallel arrangement of amyloid fibrils. Here, we present polarization sensitive optical coherence microscopy (PS-OCM) for imaging mature neuritic Aβ plaques based on their birefringent properties. Formalin-fixed, post-mortem brain samples of advanced stage AD patients were investigated. In several cortical brain regions, neuritic Aβ plaques were successfully visualized in tomographic and three-dimensional (3D) images. Cortical grey matter appeared polarization preserving, whereas neuritic plaques caused increased phase retardation. Consistent with the results from PS-OCM imaging, the 3D structure of senile Aβ plaques was computationally modelled for different illumination settings and plaque sizes. Furthermore, the birefringent properties of cortical and meningeal vessel walls in CAA were investigated in selected samples. Significantly increased birefringence was found in smaller vessels. Overall, these results provide evidence that PS-OCM is able to assess amyloidosis based on intrinsic birefringent properties.
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Affiliation(s)
- Bernhard Baumann
- Medical University of Vienna, Center for Medical Physics and Biomedical Engineering, A-1090, Vienna, Austria
| | - Adelheid Woehrer
- General Hospital and Medical University of Vienna, Institute of Neurology, A-1090, Vienna, Austria
| | - Gerda Ricken
- General Hospital and Medical University of Vienna, Institute of Neurology, A-1090, Vienna, Austria
| | - Marco Augustin
- Medical University of Vienna, Center for Medical Physics and Biomedical Engineering, A-1090, Vienna, Austria
| | - Christian Mitter
- General Hospital and Medical University of Vienna, Institute of Neurology, A-1090, Vienna, Austria
- General Hospital and Medical University of Vienna, Department of Biomedical Imaging and Image-guided Therapy, A-1090, Vienna, Austria
| | - Michael Pircher
- Medical University of Vienna, Center for Medical Physics and Biomedical Engineering, A-1090, Vienna, Austria
| | - Gabor G. Kovacs
- General Hospital and Medical University of Vienna, Institute of Neurology, A-1090, Vienna, Austria
| | - Christoph K. Hitzenberger
- Medical University of Vienna, Center for Medical Physics and Biomedical Engineering, A-1090, Vienna, Austria
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