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Tam S, Wear D, Morrone CD, Yu WH. The complexity of extracellular vesicles: Bridging the gap between cellular communication and neuropathology. J Neurochem 2024. [PMID: 38650384 DOI: 10.1111/jnc.16108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 03/12/2024] [Accepted: 03/31/2024] [Indexed: 04/25/2024]
Abstract
Brain-derived extracellular vesicles (EVs) serve a prominent role in maintaining homeostasis and contributing to pathology in health and disease. This review establishes a crucial link between physiological processes leading to EV biogenesis and their impacts on disease. EVs are involved in the clearance and transport of proteins and nucleic acids, responding to changes in cellular processes associated with neurodegeneration, including autophagic disruption, organellar dysfunction, aging, and other cell stresses. In neurodegenerative disorders (e.g., Alzheimer's disease, Parkinson's disease, etc.), EVs contribute to the spread of pathological proteins like amyloid β, tau, ɑ-synuclein, prions, and TDP-43, exacerbating neurodegeneration and accelerating disease progression. Despite evidence for both neuropathological and neuroprotective effects of EVs, the mechanistic switch between their physiological and pathological functions remains elusive, warranting further research into their involvement in neurodegenerative disease. Moreover, owing to their innate ability to traverse the blood-brain barrier and their ubiquitous nature, EVs emerge as promising candidates for novel diagnostic and therapeutic strategies. The review uniquely positions itself at the intersection of EV cell biology, neurophysiology, and neuropathology, offering insights into the diverse biological roles of EVs in health and disease.
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Affiliation(s)
- Stephanie Tam
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
| | - Darcy Wear
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
| | - Christopher D Morrone
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Wai Haung Yu
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
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2
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Günal-Köroğlu D, Erskine E, Ozkan G, Capanoglu E, Esatbeyoglu T. Applications and safety aspects of bioactives obtained from by-products/wastes. ADVANCES IN FOOD AND NUTRITION RESEARCH 2023; 107:213-261. [PMID: 37898541 DOI: 10.1016/bs.afnr.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/30/2023]
Abstract
Due to the negative impacts of food loss and food waste on the environment, economy, and social contexts, it is a necessity to take action in order to reduce these wastes from post-harvest to distribution. In addition to waste reduction, bioactives obtained from by-products or wastes can be utilized by new end-users by considering the safety aspects. It has been reported that physical, biological, and chemical safety features of raw materials, instruments, environment, and processing methods should be assessed before and during valorization. It has also been indicated that meat by-products/wastes including collagen, gelatin, polysaccharides, proteins, amino acids, lipids, enzymes and chitosan; dairy by-products/wastes including whey products, buttermilk and ghee residue; fruit and vegetable by-products/wastes such as pomace, leaves, skins, seeds, stems, seed oils, gums, fiber, polyphenols, starch, cellulose, galactomannan, pectin; cereal by-products/wastes like vitamins, dietary fibers, fats, proteins, starch, husk, and trub have been utilized as animal feed, food supplements, edible coating, bio-based active packaging systems, emulsifiers, water binders, gelling, stabilizing, foaming or whipping agents. This chapter will explain the safety aspects of bioactives obtained from various by-products/wastes. Additionally, applications of bioactives obtained from by-products/wastes have been included in detail by emphasizing the source, form of bioactive compound as well as the effect of said bioactive compound.
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Affiliation(s)
- Deniz Günal-Köroğlu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Maslak, Istanbul, Turkey
| | - Ezgi Erskine
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Maslak, Istanbul, Turkey
| | - Gulay Ozkan
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Maslak, Istanbul, Turkey
| | - Esra Capanoglu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Maslak, Istanbul, Turkey
| | - Tuba Esatbeyoglu
- Institute of Food Science and Human Nutrition, Department of Food Development and Food Quality, Gottfried Wilhelm Leibniz University Hannover, Am Kleinen Felde, Hannover, Germany.
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Krishnamurthy S, Harrison W, Craft S, Lockhart SN, Bateman JR. When prion disease Isn't suspected: prion disease as the cause of terminal decline in chronic mixed dementia. Neurocase 2023; 29:92-97. [PMID: 38687122 PMCID: PMC11145467 DOI: 10.1080/13554794.2024.2346990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 04/16/2024] [Indexed: 05/02/2024]
Abstract
Alzheimer's Disease (AD) is the most common cause of dementia, although multiple pathologies are found in nearly half of the cases with clinically diagnosed AD. Prion diseases, such as Creutzfeldt-Jakob disease (CJD), are rare causes of dementia and typically manifest as a rapidly progressive dementia, where symptom onset to dementia most often occurs over the course of months. In this brief report, we describe a patient's typically progressive dementia with a precipitous decline at the end of their life who, on neuropathological evaluation, was found to have multiple neurodegenerative proteinopathies as well as spongiform encephalopathy due to CJD. This case of unsuspected CJD highlights a rare, but epidemiologically important, cause of sudden decline in well-established neurodegenerative dementias.
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Affiliation(s)
- Sudarshan Krishnamurthy
- Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest University School of Medicine, Winston-Salem, NC
| | - William Harrison
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC
| | - Suzanne Craft
- Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest University School of Medicine, Winston-Salem, NC
| | - Samuel N. Lockhart
- Department of Internal Medicine, Section on Gerontology and Geriatric Medicine, Wake Forest University School of Medicine, Winston-Salem, NC
| | - James R. Bateman
- Department of Neurology, Wake Forest University School of Medicine, Winston-Salem, NC
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4
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Broce IJ, Caverzasi E, Sacco S, Nillo RM, Paoletti M, Desikan RS, Geschwind M, Sugrue LP. PRNP expression predicts imaging findings in sporadic Creutzfeldt-Jakob disease. Ann Clin Transl Neurol 2023; 10:536-552. [PMID: 36744645 PMCID: PMC10109249 DOI: 10.1002/acn3.51739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 11/18/2022] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVE We explored the relationship between regional PRNP expression from healthy brain tissue and patterns of increased and decreased diffusion and regional brain atrophy in patients with sporadic Creutzfeldt-Jakob disease (sCJD). METHODS We used PRNP microarray data from 6 healthy adult brains from Allen Brain Institute and T1-weighted and diffusion-weighted MRIs from 34 patients diagnosed with sCJD and 30 age- and sex-matched healthy controls to construct partial correlation matrices across brain regions for specific measures of interest: PRNP expression, mean diffusivity, volume, cortical thickness, and local gyrification index, a measure of cortical folding. RESULTS Regional patterns of PRNP expression in the healthy brain correlated with regional patterns of diffusion signal abnormalities and atrophy in sCJD. Among different measures of cortical morphology, regional patterns of local gyrification index in sCJD most strongly correlated with regional patterns of PRNP expression. At the vertex-wise level, different molecular subtypes of sCJD showed distinct regional correlations in local gyrification index across the cortex. Local gyrification index correlation patterns most closely matched patterns of PRNP expression in sCJD subtypes known to have greatest pathologic involvement of the cerebral cortex. INTERPRETATION These results suggest that the specific genetic and molecular environment in which the prion protein is expressed confer variable vulnerability to misfolding across different brain regions that is reflected in patterns of imaging findings in sCJD. Further work in larger samples will be needed to determine whether these regional imaging patterns can serve as reliable markers of distinct disease subtypes to improve diagnosis and treatment targeting.
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Affiliation(s)
- Iris J. Broce
- Weill Institute for Neurosciences, Department of NeurologyUniversity of California, San Francisco, UCSFSan FranciscoCaliforniaUSA
- Department of NeurosciencesUniversity of California, San DiegoSan DiegoCaliforniaUSA
| | - Eduardo Caverzasi
- Weill Institute for Neurosciences, Department of NeurologyUniversity of California, San Francisco, UCSFSan FranciscoCaliforniaUSA
- Department of Brain and Behavioral SciencesUniversity of PaviaPaviaItaly
| | - Simone Sacco
- Weill Institute for Neurosciences, Department of NeurologyUniversity of California, San Francisco, UCSFSan FranciscoCaliforniaUSA
- Division of Neuroimaging, Department of Medical ImagingUniversity of TorontoTorontoOntarioCanada
| | - Ryan Michael Nillo
- Neuroradiology Section, Department of Radiology and Biomedical ImagingUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
| | - Matteo Paoletti
- Weill Institute for Neurosciences, Department of NeurologyUniversity of California, San Francisco, UCSFSan FranciscoCaliforniaUSA
- Advanced Imaging and Radiomics Center, Neuroradiology DepartmentIRCCS Mondino FoundationPaviaItaly
| | - Rahul S. Desikan
- Neuroradiology Section, Department of Radiology and Biomedical ImagingUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
| | - Michael Geschwind
- Weill Institute for Neurosciences, Department of NeurologyUniversity of California, San Francisco, UCSFSan FranciscoCaliforniaUSA
| | - Leo P. Sugrue
- Neuroradiology Section, Department of Radiology and Biomedical ImagingUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
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Pasko VI, Churkina AS, Shakhov AS, Kotlobay AA, Alieva IB. Modeling of Neurodegenerative Diseases: 'Step by Step' and 'Network' Organization of the Complexes of Model Systems. Int J Mol Sci 2022; 24:ijms24010604. [PMID: 36614047 PMCID: PMC9820769 DOI: 10.3390/ijms24010604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/17/2022] [Accepted: 12/25/2022] [Indexed: 12/31/2022] Open
Abstract
Neurodegenerative diseases have acquired the status of one of the leading causes of death in developed countries, which requires creating new model systems capable of accurately reproducing the mechanisms underlying these pathologies. Here we analyzed modern model systems and their contribution to the solution of unexplored manifestations of neuropathological processes. Each model has unique properties that make it the optimal tool for modeling certain aspects of neurodegenerative disorders. We concluded that to optimize research, it is necessary to combine models into complexes that include organisms and artificial systems of different organizational levels. Such complexes can be organized in two ways. The first method can be described as "step by step", where each model for studying a certain characteristic is a separate step that allows using the information obtained in the modeling process for the gradual study of increasingly complex processes in subsequent models. The second way is a 'network' approach. Studies are carried out with several types of models simultaneously, and experiments with each specific type are adjusted in conformity with the data obtained from other models. In our opinion, the 'network' approach to combining individual model systems seems more promising for fundamental biology as well as diagnostics and therapy.
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Affiliation(s)
| | - Aleksandra Sergeevna Churkina
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 1–73, Leninskye Gory, 119992 Moscow, Russia
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 1–40, Leninskye Gory, 119992 Moscow, Russia
| | - Anton Sergeevich Shakhov
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 1–40, Leninskye Gory, 119992 Moscow, Russia
| | - Anatoly Alexeevich Kotlobay
- Lopukhin Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 1a Malaya Pirogovskaya St., 119435 Moscow, Russia
| | - Irina Borisovna Alieva
- A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 1–40, Leninskye Gory, 119992 Moscow, Russia
- Correspondence:
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Castelli A, Placidi F, Bonomi CG, Di Giuliano F, Martorana A, Pizzicannella G, Liguori C, Manfredi N, Mari L, Pagano A, Bramato V, Mercuri NB, Izzi F. Periodic sharp wave complexes identify a distinctive phenotype in Creutzfeldt-Jacob disease. Clin Neurophysiol 2022; 143:124-132. [DOI: 10.1016/j.clinph.2022.08.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 08/18/2022] [Accepted: 08/21/2022] [Indexed: 11/03/2022]
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Recent Advances in Prion Inactivation by Plasma Sterilizer. Int J Mol Sci 2022; 23:ijms231810241. [PMID: 36142166 PMCID: PMC9499420 DOI: 10.3390/ijms231810241] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/27/2022] [Accepted: 09/04/2022] [Indexed: 12/31/2022] Open
Abstract
Prions, which cause transmissible spongiform encephalopathies (TSEs), are a notorious group of infectious agents with possibly the highest resistance to complete inactivation. Although various gas plasma instruments have been developed, studies on prion inactivation using gas plasma instruments are limited. Among them, the hydrogen peroxide gas plasma instrument, STERRAD® (Advanced Sterilization Products; ASP, Johnson & Johnson, Irvine, CA, USA), is recommended for prion inactivation of heat-sensitive medical devices. However, STERRAD® is not a plasma sterilizer but a hydrogen peroxide gas sterilizer. In STERRAD®, plasma generated by radio frequency (RF) discharge removes excess hydrogen peroxide gas and does not contribute to sterilization. This is also supported by evidence that the instrument was not affected by the presence or absence of RF gas plasma. However, recent studies have shown that other gas plasma instruments derived from air, nitrogen, oxygen, Ar, and a mixture of gases using corona, dielectric barrier, microwave, and pulse discharges can inactivate scrapie prions. As inactivation studies on prions other than scrapie are limited, further accumulation of evidence on the effectiveness of gas plasma using human-derived prion samples is warranted for practical purposes.
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8
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The cognitive phenotypes of Creutzfeldt-Jakob disease: comparison with secondary metabolic encephalopathy. Neurol Sci 2022; 43:3703-3716. [DOI: 10.1007/s10072-021-05795-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/29/2021] [Indexed: 10/19/2022]
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9
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How Similar Are Proteins and Origami? Biomolecules 2022; 12:biom12050622. [PMID: 35625549 PMCID: PMC9138822 DOI: 10.3390/biom12050622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/16/2022] [Accepted: 04/19/2022] [Indexed: 02/01/2023] Open
Abstract
Protein folding and structural biology are highly active disciplines that combine basic research in various fields, including biology, chemistry, physics, and computer science, with practical applications in biomedicine and nanotechnology. However, there are still gaps in the understanding of the detailed mechanisms of protein folding, and protein structure-function relations. In an effort to bridge these gaps, this paper studies the equivalence of proteins and origami. Research on proteins and origami provides strong evidence to support the use of origami folding principles and mechanical models to explain aspects of proteins formation and function. Although not identical, the equivalence of origami and proteins emerges in: (i) the folding processes, (ii) the shape and structure of proteins and origami models, and (iii) the intrinsic mechanical properties of the folded structures/models, which allows them to synchronically fold/unfold and effectively distribute forces to the whole structure. As a result, origami can contribute to the understanding of various key protein-related mechanisms and support the design of de novo proteins and nanomaterials.
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10
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Guo Y, Xu Y, Lin X, Zhen Z, Yi F, Guan H, Shi Q, Sun W, Yang A, Dong X, Wang J. Creutzfeldt-Jakob Disease: Alterations of Gut Microbiota. Front Neurol 2022; 13:832599. [PMID: 35493823 PMCID: PMC9051076 DOI: 10.3389/fneur.2022.832599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 02/18/2022] [Indexed: 12/03/2022] Open
Abstract
Introduction Human gut dysbiosis has been implicated with the onset of many neurodegenerative disorders. However, the current data focused on the gut microbiota of patients with Creutzfeldt-Jakob disease (CJD) are still lacking. In our study, we explored the gut microbiota alteration in patients with CJD. Method We performed 16S ribosomal RNA MiSeq sequencing in stool samples of patients with CJD and controls. Functional analysis of the gut microbiota between these two groups was based on Kyoto Encyclopedia of Genes and Genomes and Phylogenetic Investigation of Communities by Reconstruction of Unobserved States 2. Clinical rating scales were used to evaluate the association between cognitive impairment and gut microbiota alteration. Result We identified a significant alteration in both the structure and the richness of the CJD group. Function analysis revealed that the gut microbiota of patients with CJD enriched in immune signaling molecule interactions and xenobiotics biodegradation. MoCA and survival times were found to be associated with gut microbiota in patients with CJD. Conclusion We demonstrated an altered gut microbiota in patients with CJD, which was associated with the cognitive impairment and the survival time of these patients.
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Affiliation(s)
- Yanjun Guo
- Department of Neurology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
- *Correspondence: Yanjun Guo
| | - Yichen Xu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xue Lin
- Department of Neurology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Zhen Zhen
- Department of Neurology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Fang Yi
- Department of Neurology, Lishilu Outpatient, Central Medical Branch of PLA General Hospital, Beijing, China
| | - Hongzhi Guan
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Qi Shi
- State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Wenjie Sun
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Anchao Yang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xiaoping Dong
- State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jiawei Wang
- Department of Neurology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
- Jiawei Wang
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Hara S, Inoshita A, Miyamoto N, Takata Y, Matsuoka R, Anzai T, Nakamura M, Ikeda K, Matsumoto F. Creutzfeldt-Jakob disease with dizziness initially presenting to the otolaryngology department. Auris Nasus Larynx 2022; 50:458-462. [PMID: 35443921 DOI: 10.1016/j.anl.2022.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 03/06/2022] [Accepted: 04/04/2022] [Indexed: 11/24/2022]
Abstract
Creutzfeldt-Jakob disease is a fatal transmissible prion disease of the central nervous system. Dizziness as an initial manifestation of Creutzfeldt-Jakob disease is rare. However, patients with Creutzfeldt-Jakob disease and dizziness may initially visit the otolaryngology department, but this is uncommon. We report the case of a 56-year-old woman with Creutzfeldt-Jakob disease who initially presented with dizziness as an emergency patient to the otolaryngology department. Primary position upbeat nystagmus was identified using a charge-coupled device camera with infrared illumination. Electronystagmography revealed impaired smooth pursuit and diminished optokinetic nystagmus. Based on these findings, we immediately suspected an intracranial cause of dizziness and reached a presumptive diagnosis of sporadic Creutzfeldt-Jakob disease, thus preventing severe transmission. This case emphasizes that Creutzfeldt-Jakob disease should be included as a differential diagnosis for patients with dizziness and abnormal eye movements, such as primary position upbeat nystagmus, which might be caused by intracranial disease.
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12
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Belkozhayev AM, Al-Yozbaki M, George A, Niyazova RY, Sharipov KO, Byrne LJ, Wilson CM. Extracellular Vesicles, Stem Cells and the Role of miRNAs in Neurodegeneration. Curr Neuropharmacol 2022; 20:1450-1478. [PMID: 34414870 PMCID: PMC9881087 DOI: 10.2174/1570159x19666210817150141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/16/2021] [Accepted: 06/14/2021] [Indexed: 11/22/2022] Open
Abstract
There are different modalities of intercellular communication governed by cellular homeostasis. In this review, we will explore one of these forms of communication called extracellular vesicles (EVs). These vesicles are released by all cells in the body and are heterogeneous in nature. The primary function of EVs is to share information through their cargo consisting of proteins, lipids and nucleic acids (mRNA, miRNA, dsDNA etc.) with other cells, which have a direct consequence on their microenvironment. We will focus on the role of EVs of mesenchymal stem cells (MSCs) in the nervous system and how these participate in intercellular communication to maintain physiological function and provide neuroprotection. However, deregulation of this same communication system could play a role in several neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease, Amyotrophic lateral sclerosis, multiple sclerosis, prion disease and Huntington's disease. The release of EVs from a cell provides crucial information to what is happening inside the cell and thus could be used in diagnostics and therapy. We will discuss and explore new avenues for the clinical applications of using engineered MSC-EVs and their potential therapeutic benefit in treating neurodegenerative diseases.
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Affiliation(s)
- Ayaz M. Belkozhayev
- Al-Farabi Kazakh National University, Faculty of Biology and Biotechnology, Almaty, Republic of Kazakhstan
- Structural and Functional Genomics Laboratory of M.A. Aitkhozhin Institute of Molecular Biology and Biochemistry, Almaty, Republic of Kazakhstan
| | - Minnatallah Al-Yozbaki
- Canterbury Christ Church University, School of Human and Life Sciences, Life Sciences Industry Liaison Lab, Sandwich, UK
| | - Alex George
- Canterbury Christ Church University, School of Human and Life Sciences, Life Sciences Industry Liaison Lab, Sandwich, UK
- Jubilee Centre for Medical Research, Jubilee Mission Medical College & Research Institute, Thrissur, Kerala, India
| | - Raigul Ye Niyazova
- Al-Farabi Kazakh National University, Faculty of Biology and Biotechnology, Almaty, Republic of Kazakhstan
| | - Kamalidin O. Sharipov
- Structural and Functional Genomics Laboratory of M.A. Aitkhozhin Institute of Molecular Biology and Biochemistry, Almaty, Republic of Kazakhstan
| | - Lee J. Byrne
- Canterbury Christ Church University, School of Human and Life Sciences, Life Sciences Industry Liaison Lab, Sandwich, UK
| | - Cornelia M. Wilson
- Canterbury Christ Church University, School of Human and Life Sciences, Life Sciences Industry Liaison Lab, Sandwich, UK
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de Melo ASLF, Lima JLD, Malta MCS, Marroquim NF, Moreira ÁR, de Almeida Ladeia I, dos Santos Cardoso F, Gonçalves DB, Dutra BG, dos Santos JCC. The role of microglia in prion diseases and possible therapeutic targets: a literature review. Prion 2021; 15:191-206. [PMID: 34751640 PMCID: PMC8583147 DOI: 10.1080/19336896.2021.1991771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 10/01/2021] [Indexed: 11/19/2022] Open
Abstract
Creutzfeldt-Jakob disease (CJD) is a rare and fatal condition that leads to progressive neurodegeneration due to gliosis, vacuolation of central nervous system tissue, and loss of neurons. Microglia play a crucial role in maintaining Central Nervous System (CNS) homoeostasis, both in health and disease, through phagocytosis and cytokine production. In the context of CJD, the immunomodulatory function of microglia turns it into a cell of particular interest. Microglia would be activated by infectious prion proteins, initially acquiring a phagocytic and anti-inflammatory profile (M2), and producing cytokines such as IL-4, IL-10, and TGF-β. Therefore, microglia are seen as a key target for the development of new treatment approaches, with many emerging strategies to guide it towards a beneficial role upon neuroinflammation, by manipulating its metabolic pathways. In such a setting, many cellular targets in microglia that can be involved in phenotype modulation, such as membrane receptors, have been identified and pointed out as possible targets for further experiments and therapeutic approaches. In this article, we review the major findings about the role of microglia in CJD, including its relationship to some risk factors associated with the development of the disease. Furthermore, considering its central role in neural immunity, we explore microglial connection with other elements of the immune system and cell signalling, such as inflammasomes, the complement and purinergic systems, and the latest finding strategies to guide these cells from harmful to beneficial roles.
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Affiliation(s)
| | | | | | | | - Álvaro Rivelli Moreira
- Department of Neurology, Centro Universitário Governador Ozanam Coelho, UniFacog, Ubá, MG, Brazil
| | | | - Fabrizio dos Santos Cardoso
- Núcleo de Pesquisas Tecnológicas, Universidade De Mogi Das Cruzes, Mogi das Cruzes, SP, Brazil
- Department of Psychology and Institute for Neuroscience, University of Texas (Ut), Austin, TX, USA
| | | | | | - Júlio César Claudino dos Santos
- Laboratório de Neurociências, Departamento De Neurologia E Neurocirurgia, Universidade Federal de São Paulo, São Paulo, Sp, Brazil
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14
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Salehian R, Sina F, Moudi S. Creutzfeldt-Jakob disease: A case report. CASPIAN JOURNAL OF INTERNAL MEDICINE 2021; 12:S359-S362. [PMID: 34760082 PMCID: PMC8559638 DOI: 10.22088/cjim.12.0.359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 05/25/2019] [Accepted: 07/30/2019] [Indexed: 11/15/2022]
Abstract
Background: Creutzfeldt-Jakob disease (CJD) as a life-threatening neurodegenerative disorder is not usually diagnosed in early stages of the disease because of a variety in its clinical manifestations. This study aimed to present a middle-aged woman with psychiatric symptoms who ultimately was diagnosed as a CJD case. Case presentation: This 48-year-old woman had progressive symptoms of depressed mood, decreased sleep and appetite and mutism which started two months before the first visit. Gradually, slowness in movements, dysarthria and decreased performance were observed. Subsequently, when antidepressant and antipsychotic drugs were prescribed other symptoms such as ataxia and rigidity manifested in the patient. The problem list which led to final confirmation of the disease included non-specific neuropsychological presentations, hypersignality in caudate and putamen areas in brain MRI, generalized high frequency sharp waves in EEG, and protein 14-3-3 identification in cerebrospinal fluid. Conclusion: Although CJD is not a common disease, it should be considered in differential diagnoses whenever neuropsychological manifestations, especially progressive decline in cognition, along with symptoms such as visual hallucinations, myoclonus and ataxia are observed in the patient.
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Affiliation(s)
- Razieh Salehian
- Mental Health Research Center, Rasoul-e-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Farzad Sina
- Department of Neurology, Rasoul-e-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Sussan Moudi
- Social Determinants of Health Reseach Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
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Stamatelos P, Kontokostas K, Liantinioti C, Giavasi C, Ioakeimidis M, Antonelou R, Papathanasiou M, Arvaniti C, Bonakis A, Tsivgoulis G, Voumvourakis K, Stefanis L, Papageorgiou SG. Evolving Causes of Rapidly Progressive Dementia: A 5-Year Comparative Study. Alzheimer Dis Assoc Disord 2021; 35:315-320. [PMID: 34654042 DOI: 10.1097/wad.0000000000000472] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 06/05/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Rapidly progressive dementia (RPD) is a clinical syndrome developing in <1 to 2 years. Recent progress in RPD evaluation is significant, so RPD's prevalence may change over time. The aim of our new case series was to estimate the relative frequency of RPDs' causative entities, considering the recent advances in RPDs' diagnosis, and compare the results with those of our previous report. PATIENTS AND METHODS We retrospectively reviewed the medical records of 47 patients who were referred to Attikon University Hospital during a 5-year period for a suspected RPD. RESULTS Neurodegenerative diseases were the most frequent causes (38%), followed by prion disease (19%) and autoimmune encephalopathy (AE, 17%). AE cases were by far more common than in our previous report, while other than AE secondary causes were significantly decreased. Mean time to dementia was 9 months in neurodegenerative diseases and 5 months in non-neurodegenerative. Main clinical findings across all patients were memory impairment (66%) and behavioral-emotional disturbances (48%). CONCLUSIONS Neurodegenerative diseases are common causes of RPD and have a slower evolution than non-neurodegenerative. Diagnostic novelties enabled the recognition of AE, whereas more common secondary causes are probably now diagnosed in primary settings since the recognition of RPD as distinct clinical entity is continually increasing.
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Affiliation(s)
| | | | | | - Christina Giavasi
- Neurology Department, Nottingham University Hospital, Nottingham, UK
| | | | | | - Matilda Papathanasiou
- 2nd Department of Radiology, Attikon University General Hospital, National and Kapodistrian University of Athens
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16
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Pankiewicz JE, Lizińczyk AM, Franco LA, Diaz JR, Martá-Ariza M, Sadowski MJ. Absence of Apolipoprotein E is associated with exacerbation of prion pathology and promotes microglial neurodegenerative phenotype. Acta Neuropathol Commun 2021; 9:157. [PMID: 34565486 PMCID: PMC8474943 DOI: 10.1186/s40478-021-01261-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 09/08/2021] [Indexed: 12/27/2022] Open
Abstract
Prion diseases or prionoses are a group of rapidly progressing and invariably fatal neurodegenerative diseases. The pathogenesis of prionoses is associated with self-replication and connectomal spread of PrPSc, a disease specific conformer of the prion protein. Microglia undergo activation early in the course of prion pathogenesis and exert opposing roles in PrPSc mediated neurodegeneration. While clearance of PrPSc and apoptotic neurons have disease-limiting effect, microglia-driven neuroinflammation bears deleterious consequences to neuronal networks. Apolipoprotein (apo) E is a lipid transporting protein with pleiotropic functions, which include controlling of the phagocytic and inflammatory characteristics of activated microglia in neurodegenerative diseases. Despite the significance of microglia in prion pathogenesis, the role of apoE in prionoses has not been established. We showed here that infection of wild type mice with 22L mouse adapted scrapie strain is associated with significant increase in the total brain apoE protein and mRNA levels and also with a conspicuous cell-type shift in the apoE expression. There is reduced expression of apoE in activated astrocytes and marked upregulation of apoE expression by activated microglia. We also showed apoE ablation exaggerates PrPSc mediated neurodegeneration. Apoe−/− mice have shorter disease incubation period, increased load of spongiform lesion, pronounced neuronal loss, and exaggerated astro and microgliosis. Astrocytes of Apoe−/− mice display salient upregulation of transcriptomic markers defining A1 neurotoxic astrocytes while microglia show upregulation of transcriptomic markers characteristic for microglial neurodegenerative phenotype. There is impaired clearance of PrPSc and dying neurons by microglia in Apoe−/− mice along with increased level of proinflammatory cytokines. Our work indicates that apoE absence renders clearance of PrPSc and dying neurons by microglia inefficient, while the excess of neuronal debris promotes microglial neurodegenerative phenotype aggravating the vicious cycle of neuronal death and neuroinflammation.
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17
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Lavigna G, Masone A, Bouybayoune I, Bertani I, Lucchetti J, Gobbi M, Porcu L, Zordan S, Rigamonti M, Imeri L, Restelli E, Chiesa R. Doxycycline rescues recognition memory and circadian motor rhythmicity but does not prevent terminal disease in fatal familial insomnia mice. Neurobiol Dis 2021; 158:105455. [PMID: 34358614 PMCID: PMC8463834 DOI: 10.1016/j.nbd.2021.105455] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 01/15/2023] Open
Abstract
Fatal familial insomnia (FFI) is a dominantly inherited prion disease linked to the D178N mutation in the gene encoding the prion protein (PrP). Symptoms, including insomnia, memory loss and motor abnormalities, appear around 50 years of age, leading to death within two years. No treatment is available. A ten-year clinical trial of doxycycline (doxy) is under way in healthy individuals at risk of FFI to test whether presymptomatic doxy prevents or delays the onset of disease. To assess the drug's effect in a tractable disease model, we used Tg(FFI-26) mice, which accumulate aggregated and protease-resistant PrP in their brains and develop a fatal neurological illness highly reminiscent of FFI. Mice were treated daily with 10 mg/kg doxy starting from a presymptomatic stage for twenty weeks. Doxy rescued memory deficits and restored circadian motor rhythmicity in Tg(FFI-26) mice. However, it did not prevent the onset and progression of motor dysfunction, clinical signs and progression to terminal disease. Doxy did not change the amount of aggregated and protease-resistant PrP, but reduced microglial activation in the hippocampus. Presymptomatic doxy treatment rescues cognitive impairment and the motor correlates of sleep dysfunction in Tg(FFI-26) mice but does not prevent fatal disease.
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Affiliation(s)
- Giada Lavigna
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Antonio Masone
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Ihssane Bouybayoune
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Ilaria Bertani
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Jacopo Lucchetti
- Department of Molecular Biochemistry and Pharmacology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Marco Gobbi
- Department of Molecular Biochemistry and Pharmacology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Luca Porcu
- Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | | | | | - Luca Imeri
- Department of Health Sciences, University of Milan, Milan, Italy
| | - Elena Restelli
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Roberto Chiesa
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy.
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18
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Brandel JP. [Prion diseases or transmissible spongiform encephalopathies]. Rev Med Interne 2021; 43:106-115. [PMID: 34148672 DOI: 10.1016/j.revmed.2021.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 05/09/2021] [Indexed: 11/24/2022]
Abstract
Prion diseases or transmissible spongiform encephalopathies (TSEs) are human and animal diseases naturally or experimentally transmissible with a long incubation period and a fatal course without remission. The nature of the transmissible agent remains debated but the absence of a structure evoking a conventional microorganism led Stanley B. Prusiner to hypothesize that it could be an infectious protein (proteinaceous infectious particle or prion). The prion would be the abnormal form of a normal protein, cellular PrP (PrPc) which will change its spatial conformation and be converted into scrapie prion protein (PrPsc) with properties of partial resistance to proteases, aggregation and insolubility in detergents. No inflammatory or immune response are detected in TSEs which are characterized by brain damage combining spongiosis, neuronal loss, astrocytic gliosis, and deposits of PrPsc that may appear as amyloid plaques. Although the link between the accumulation of PrPsc and the appearance of lesions remains debated, the presence of PrPsc is constant during TSE and necessary for a definitive diagnosis. Even if they remain rare diseases (2 cases per million), the identification of kuru, at the end of the 1950s, of iatrogenic cases in the course of the 1970s and of the variant of Creutzfeldt-Jakob disease (CJD) in the mid-1990s explain the interest in these diseases but also the fears they can raise for public health. They remain an exciting research model because they belong both to the group of neurodegenerative diseases with protein accumulation (sporadic CJD), to the group of communicable diseases (iatrogenic CJD, variant of CJD) but also to the group of genetic diseases with a transmission Mendelian dominant (genetic CJD, Gerstmann-Straussler-Scheinker syndrome, fatal familial insomnia).
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Affiliation(s)
- J-P Brandel
- Cellule nationale de référence des maladies de Creutzfeldt-Jakob, Groupe hospitalier Pitié-Salpêtrière, 47-83, boulevard de l'Hôpital, 75651 Paris cedex 13, France; Inserm U1127/Institut du cerveau et de la moelle épinière (ICM), Groupe hospitalier Pitié-Salpêtrière, Centre national de référence des agents transmissibles non conventionnels, 47-83, boulevard de l'Hôpital, 75651 Paris cedex 13, France.
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19
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Autopsy-diagnosed neurodegenerative dementia cases support the use of cerebrospinal fluid protein biomarkers in the diagnostic work-up. Sci Rep 2021; 11:10837. [PMID: 34035398 PMCID: PMC8149718 DOI: 10.1038/s41598-021-90366-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 05/10/2021] [Indexed: 01/09/2023] Open
Abstract
Various proteins play a decisive role in the pathology of different neurodegenerative diseases. Nonetheless, most of these proteins can only be detected during a neuropathological assessment, although some non-specific biomarkers are routinely tested for in the cerebrospinal fluid (CSF) as a part of the differential diagnosis of dementia. In antemortem CSF samples from 117 patients with different types of neuropathologically confirmed neurodegenerative disease with dementia, we assessed total-tau (t-tau), phosphorylated-tau (181P) (p-tau), amyloid-beta (1–42) (Aβ42), TAR DNA binding protein (TDP)-43, progranulin (PGRN), and neurofilament light (NfL) chain levels, and positivity of protein 14-3-3. We found t-tau levels and the t-tau/p-tau ratios were significantly higher in prion diseases compared to the other neurodegenerative diseases. Statistically significant differences in the t-tau/Aβ42 ratio predominantly corresponded to t-tau levels in prion diseases and Aβ42 levels in AD. TDP-43 levels were significantly lower in prion diseases. Additionally, the TDP-43/Aβ42 ratio was better able to distinguish Alzheimer’s disease from other neurodegenerative diseases compared to using Aβ42 alone. In frontotemporal lobar degeneration, PRGN levels were significantly higher in comparison to other neurodegenerative diseases. There is an increasing need for biomarkers suitable for diagnostic workups for neurodegenerative diseases. It appears that adding TDP-43 and PGRN to the testing panel for neurodegenerative diseases could improve the resolution of differential diagnoses.
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20
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De Vries K, Cousins E, Harrison Dening K. Palliative care in Creutzfeldt-Jakob disease: looking back, thinking ahead. BMJ Support Palliat Care 2021:bmjspcare-2020-002799. [PMID: 33483321 DOI: 10.1136/bmjspcare-2020-002799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 12/23/2020] [Indexed: 11/03/2022]
Abstract
Creutzfeldt-Jakob disease (CJD) is a rare and fatal neurodegenerative disease for which there is no cure. However, it is difficult to diagnose and is unique in that it is both a genetic and transmissible disease. The disease is characterised by symptoms of a rapidly progressive dementia. Palliation is the only treatment and early diagnosis is an important aspect in relation to gaining speedy access to palliative and end-of-life care services. People with CJD may be cared for in a diversity of settings including; general hospital wards, neurological units, hospices; care homes and in their own home. Management of physical and psychosocial symptoms and dealing with family bereavement is complex and challenging. Due to the complexity of the physical symptoms input from clinicians with palliative care expertise is an important consideration. Given transmission risk and the latent incidence of infection in the general population, following the emergence of variant CJD; plus the recent hypothesis of a potential relationship between immune responses to COVID-19 and the acceleration of preclinical or evident neurodegenerative disease, there is a need for renewed interest in research in this field. Over the past 20 years, many thousands of articles have been published on CJD. These have been predominately in the medical and science literature and very few publications have addressed the nursing care of persons and families dealing with CJD. There is a need for renewed interest in the management of the disease by supportive and palliative care services.
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Affiliation(s)
- Kay De Vries
- Faculty Health & Life Sciences, De Montfort University, Leicester, UK
| | - Emily Cousins
- Faculty Health & Life Sciences, De Montfort University, Leicester, UK
| | - Karen Harrison Dening
- Research & Publications, Dementia UK, London, UK
- De Montfort University, Leicester, UK
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21
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Kagabo W, Imam K, Liu A. Pulvinar sign and abnormally high CSF WBC in posterior reversible encephalopathy syndrome. Clin Case Rep 2020; 8:2661-2663. [PMID: 33363800 PMCID: PMC7752459 DOI: 10.1002/ccr3.3219] [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: 01/05/2020] [Revised: 05/20/2020] [Accepted: 07/09/2020] [Indexed: 12/03/2022] Open
Abstract
Posterior reversible encephalopathy syndrome (PRES) is a reversible disease process in which cerebral edema is secondary to a trigger causes neurological symptoms. Our case presents an unusual MRI location and CSF analysis in a patient with PRES.
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Affiliation(s)
- Whitney Kagabo
- Loma Linda University School of MedicineLoma LindaCalifornia
| | - Kamran Imam
- Department of NeurologyAdventist Health White MemorialLos AngelesCalifornia
| | - Antonio Liu
- Department of NeurologyAdventist Health White MemorialLos AngelesCalifornia
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22
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Parobkova E, van der Zee J, Dillen L, Van Broeckhoven C, Rusina R, Matej R. Sporadic Creutzfeldt-Jakob Disease and Other Proteinopathies in Comorbidity. Front Neurol 2020; 11:596108. [PMID: 33329348 PMCID: PMC7735378 DOI: 10.3389/fneur.2020.596108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 10/23/2020] [Indexed: 12/14/2022] Open
Abstract
Background: Sporadic Creutzfeldt–Jakob disease (sCJD) is the most common type of a group of transmissible spongiform encephalopathies (prion diseases). The etiology of the sporadic form of CJD is still unclear. sCJD can occur in combination with other neurodegenerative diseases, which further complicates the diagnosis. Alzheimer's disease (AD), e.g., is often seen in conjunction with sCJD. Method: In this study, we performed a systematic analysis of 15 genes related to the most important neurodegenerative diseases - AD, frontotemporal dementia, amyotrophic lateral sclerosis, prion disease, and Parkinson's disease - in a cohort of sCJD and sCJD in comorbidity with AD and primary age-related proteinopathy (PART). A total of 30 neuropathologically verified cases of sCJD with and without additional proteinopathies were included in the study. In addition, we compared microtubule-associated protein tau (MAPT) haplotypes between sCJD patients and patients with sCJD and PART or sCJD and AD. Then we studied the interaction between the Apolipoprotein E gene (APOE) and PRNP in sCJD patients. Results: We did not find any causal mutations in the neurodegenerative disease genes. We did detect a p.E318G missense variant of uncertain significance (VUS) in PSEN1 in three patients. In PRNP, we also found a previously described non-pathogenic insertion (p.P84_Q91Q). Conclusion: Our pilot study failed to find any critical differences between pure sCJD and sCJD in conjunction with other comorbid neurodegenerative diseases. Further investigations are needed to better understand this phenomenon.
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Affiliation(s)
- Eva Parobkova
- Department of Pathology and Molecular Medicine, Third Faculty of Medicine, Charles University and Thomayer Hospital, Prague, Czechia.,National Reference Laboratory for Human Prion Diseases, Thomayer Hospital, Prague, Czechia
| | - Julie van der Zee
- Neurodegenerative Brain Diseases Group, VIB Center for Molecular Neurology, Vlaams Instituut voor Biotechnologie (VIB), Antwerp, Belgium.,Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
| | - Lubina Dillen
- Neurodegenerative Brain Diseases Group, VIB Center for Molecular Neurology, Vlaams Instituut voor Biotechnologie (VIB), Antwerp, Belgium.,Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
| | - Christine Van Broeckhoven
- Neurodegenerative Brain Diseases Group, VIB Center for Molecular Neurology, Vlaams Instituut voor Biotechnologie (VIB), Antwerp, Belgium.,Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
| | - Robert Rusina
- National Reference Laboratory for Human Prion Diseases, Thomayer Hospital, Prague, Czechia.,Department of Neurology, Third Faculty of Medicine, Charles University and Thomayer Hospital, Prague, Czechia
| | - Radoslav Matej
- Department of Pathology and Molecular Medicine, Third Faculty of Medicine, Charles University and Thomayer Hospital, Prague, Czechia.,National Reference Laboratory for Human Prion Diseases, Thomayer Hospital, Prague, Czechia.,Department of Pathology, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czechia.,Department of Pathology, Third Faculty of Medicine, Charles University and Kralovske Vinohrady University Hospital, Prague, Czechia
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23
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Mehmood M, Ghazanfar H, Dhallu MS, Omoregie E. Cerebellar Vertigo as an Unspecific Initial Presentation of Creutzfeldt-Jakob Disease. AMERICAN JOURNAL OF CASE REPORTS 2020; 21:e927955. [PMID: 33223515 PMCID: PMC7701018 DOI: 10.12659/ajcr.927955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Creutzfeldt-Jakob disease (CJD) is a human prion disease characterized by severe and rapidly progressive fatal neurodegeneration. Currently, there is no cure for CJD, and death from CJD usually occurs within 1 year from the onset of the symptom, and the median survival time is 6 months. CASE REPORT The patient was a 63-year-old woman who presented to the hospital reporting having vertigo for the past 1 week and involuntary muscle contraction resulting in slow repetitive movement and abnormal posture for the past 3 days. A physical examination at the time of admission revealed unsteady gait, dystonia, and dysmetria of the left upper limb. There was no nystagmus on examination. Electroencephalography done on the same day showed focal epileptiform discharge on bilateral temporal lobes, which were more on the right side than the left. It also showed mild diffuse cerebral slowing. Cerebrospinal fluid analysis showed positive for RT-QulC, T tau protein, and 14-3-3. A diagnosis of CJD was made based on clinical course, imaging, and cerebrospinal fluid analysis. CONCLUSIONS The diagnosis of CJD can be suspected based on clinical signs and symptoms and can be confirmed after performing MRI, EEG, and lumbar puncture. Therefore, it is important to recognize vertigo as an unspecific symptom of CJD so that a timely diagnosis can be made and unnecessary procedures can be avoided.
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Affiliation(s)
- Maham Mehmood
- Department of Internal Medicine, BronxCare Health System, Bronx, NY, USA
| | - Haider Ghazanfar
- Department of Internal Medicine, BronxCare Health System, Bronx, NY, USA
| | - Manjeet S Dhallu
- Department of Neurology, BronxCare Health System, Bronx, NY, USA
| | - Eghosa Omoregie
- Department of Neurology, BronxCare Health System, Bronx, NY, USA
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24
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Dautaj A, Mandarà L, Tassi V, Dhuli K, Bertelli M. Genetic analysis of genes associated with Mendelian dementia. ACTA BIO-MEDICA : ATENEI PARMENSIS 2020; 91:e2020004. [PMID: 33170157 PMCID: PMC8023123 DOI: 10.23750/abm.v91i13-s.10602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 09/16/2020] [Indexed: 11/23/2022]
Abstract
Background and aim: Dementia is a disease associated with cognitive and/or behavioral changes that interfere with the ability to perform daily activities. Alzheimer’s disease is the most common type of dementia. The aim of this mini-review is to summarize all the syndromes characterized by dementia and for which the associated gene is known. Methods: We searched those syndromes in PubMed and OMIM database. Results: Two forms of dementia exist: the multifactorial dementia results from the interaction of different genetic and environmental factors, the hereditary dementia associated with a single gene. Individuals with a family history of dementia and early onset of the disease are more likely to have a hereditary form of dementia. Dementias are mainly autosomal dominant, but they can also be autosomal recessive or X-linked. Conclusions: Since dementia has high clinical and genetic heterogeneity, the use in diagnostics of a large panel of genes may greatly help to speed up the determination of the molecular diagnosis and/or establish a risk of recurrence in family members for the purpose of planning appropriate preventive and/or therapeutic measures. (www.actabiomedica.it)
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Affiliation(s)
| | - Luana Mandarà
- Medical Genetics Unit, Maria Paternò Arezzo Hospital, Ragusa, Italy.
| | - Vittorio Tassi
- UOC Medicina Molecolare, Ospedale G. Panico, Tricase (LE), Italy.
| | | | - Matteo Bertelli
- EBTNA-LAB, Rovereto (TN), Italy; MAGI'S LAB, Rovereto (TN), Italy; MAGI EUREGIO, Bolzano, Italy.
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25
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A Case of Rapidly Progressive Neurological Decline. INFECTIOUS DISEASES IN CLINICAL PRACTICE 2020. [DOI: 10.1097/ipc.0000000000000885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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26
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Velásquez-Torres A, Díaz-Forero A, Talero-Gutiérrez C. The Insomnia Plague in Fictional Macondo. Perm J 2020; 24:19.192. [PMID: 32663127 DOI: 10.7812/tpp/19.192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Disease and medicine are found throughout Gabriel García Márquez's work. This article examines the insomnia plague described in the novel One Hundred Years of Solitude and performs a differential diagnosis exercise with conditions that affect both sleep and memory. The main finding is that the insomnia plague narrated by García Márquez, with its clinical manifestations, the sequence of symptoms, and its resolution, cannot be associated with any specific diagnosis. However, similarities to and differences from several clinical conditions are discussed, as well as the relation between the neurophysiologic phenomena of sleep and memory.
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Affiliation(s)
- Alejandro Velásquez-Torres
- Neuroscience Research Group Neuros, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogota, Colombia
| | - Andrés Díaz-Forero
- Undergraduate Neuroscience Research Group Semineuros, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogota, Colombia
| | - Claudia Talero-Gutiérrez
- Neuroscience Research Group Neuros, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogota, Colombia
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Abstract
PURPOSE OF REVIEW Prion diseases are rapidly progressive neurodegenerative conditions that can be difficult to diagnose and are transmissible under specific circumstances. The authors will provide background regarding prion disease and focus on diagnostic tools. RECENT FINDINGS Prion disease is caused by misfolded prion protein. The three possible causes of prion disease include sporadic (85%), genetic (10-15%), and acquired (<1%). Acquired prion diseases include kuru, iatrogenic, and variant Creutzfeldt-Jakob disease. Prion diseases differ in their clinical manifestation, neuropathology, and diagnostic test results. A variety of recent diagnostic tools have evolved that allow more reliable antemortem diagnosis of prion disease such as brain MRI and cerebrospinal fluid real-time quaking-induced conversion. Special infectivity guidelines must be followed when dealing with central nervous system tissue, but only standard precautions are needed for routine clinical care of patients with prion disease. SUMMARY The only way to definitely diagnose prion disease and determine its type is via neuropathologic examination. However, brain MRI and cerebrospinal fluid real-time quaking-induced conversion have drastically increased diagnostic accuracy and are important tests to use when evaluating patients with suspected prion disease.
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28
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Melis M, Molari A, Floris G, Vascellari S, Balestrino L, Ladogana A, Poleggi A, Parchi P, Cossu G, Melis M, Orrù S, Defazio G. Genetic Creutzfeldt-Jakob disease in Sardinia: a case series linked to the PRNP R208H mutation due to a single founder effect. Neurogenetics 2020; 21:251-257. [PMID: 32458274 DOI: 10.1007/s10048-020-00618-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 05/19/2020] [Indexed: 01/03/2023]
Abstract
In genetic prion diseases (gPrD), five genetic variants (E200K, V210I, V180I, P102L, and D178N) are responsible for about 85% of cases. The R208H is one of the several additional rare mutations and to date, only 16 cases carrying this mutation have been reported worldwide. To describe the phenotypic features of 5 affected patients belonging to apparently unrelated Sardinian (Italian) families with R208H gPrD, and provide evidence for a possible founder effect are the aims of this study. The R208H PRNP mutation has a much higher relative frequency in Sardinia than elsewhere in Italy (72% vs. 4.4% of gCJD cases). Our cohort shared similar phenotypic features to the previously described patients with R208H-129M haplotype with most patients showing the classical Creutzfeldt-Jakob disease (CJD) phenotype. The analysis of 10 controls and 5 patients by NGS sequencing identified 4 haplotypes, 3 associated with the wild type variant, and one (H1) shared by all patients carrying the 208His variant. This is the first report of a regional cluster for R208H mutation in gPrD and the first report of the presence of a common ancestor for this Sardinian R208H cluster, confirming the probable consequences of genetic isolation process even for rare diseases.
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Affiliation(s)
- Marta Melis
- SC Neurologia AOU Policlinico di Monserrato, Cagliari, Sardinia, Italy.
| | | | - Gianluca Floris
- SC Neurologia AOU Policlinico di Monserrato, Cagliari, Sardinia, Italy
| | - Sarah Vascellari
- Dipartimento di Scienze Biomediche, Sezione di Microbiologia e Virologia, Università degli Studi di Cagliari, Cagliari, Italy
| | - Luisa Balestrino
- Genetica Medica, Dipartimento di Scienze Mediche e Sanità Pubblica, Università di Cagliari, Caligria, Italy
| | - Anna Ladogana
- Department of Neuroscience, Istituto Superiore di Sanità, 00161, Rome, Italy
| | - Anna Poleggi
- Department of Neuroscience, Istituto Superiore di Sanità, 00161, Rome, Italy
| | - Piero Parchi
- IRCCS Istituto delle Scienze Neurologiche di Bologna, 40139, Bologna, Italy.,Department of Experimental Diagnostic and Specialty Medicine (DIMES), Università di Bologna, 40138, Bologna, Italy
| | | | | | - Sandro Orrù
- Genetica Medica, Dipartimento di Scienze Mediche e Sanità Pubblica, Università di Cagliari, Caligria, Italy
| | - Giovanni Defazio
- SC Neurologia AOU Policlinico di Monserrato, Cagliari, Sardinia, Italy
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Ehrenberg AJ, Khatun A, Coomans E, Betts MJ, Capraro F, Thijssen EH, Senkevich K, Bharucha T, Jafarpour M, Young PNE, Jagust W, Carter SF, Lashley T, Grinberg LT, Pereira JB, Mattsson-Carlgren N, Ashton NJ, Hanrieder J, Zetterberg H, Schöll M, Paterson RW. Relevance of biomarkers across different neurodegenerative diseases. ALZHEIMERS RESEARCH & THERAPY 2020; 12:56. [PMID: 32404143 PMCID: PMC7222479 DOI: 10.1186/s13195-020-00601-w] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 03/16/2020] [Indexed: 01/11/2023]
Abstract
Background The panel of fluid- and imaging-based biomarkers available for neurodegenerative disease research is growing and has the potential to close important gaps in research and the clinic. With this growth and increasing use, appropriate implementation and interpretation are paramount. Various biomarkers feature nuanced differences in strengths, limitations, and biases that must be considered when investigating disease etiology and clinical utility. For example, neuropathological investigations of Alzheimer’s disease pathogenesis can fall in disagreement with conclusions reached by biomarker-based investigations. Considering the varied strengths, limitations, and biases of different research methodologies and approaches may help harmonize disciplines within the neurodegenerative disease field. Purpose of review Along with separate review articles covering fluid and imaging biomarkers in this issue of Alzheimer’s Research and Therapy, we present the result of a discussion from the 2019 Biomarkers in Neurodegenerative Diseases course at the University College London. Here, we discuss themes of biomarker use in neurodegenerative disease research, commenting on appropriate use, interpretation, and considerations for implementation across different neurodegenerative diseases. We also draw attention to areas where biomarker use can be combined with other disciplines to understand issues of pathophysiology and etiology underlying dementia. Lastly, we highlight novel modalities that have been proposed in the landscape of neurodegenerative disease research and care.
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Affiliation(s)
- Alexander J Ehrenberg
- Memory and Aging Center, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA. .,Department of Integrative Biology, University of California, Berkeley, Berkeley, CA, USA. .,Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA, USA.
| | - Ayesha Khatun
- Dementia Research Centre, University College London Institute of Neurology, London, UK
| | - Emma Coomans
- Department of Radiology & Nuclear Medicine, Amsterdam UMC, location VUmc, Amsterdam Neuroscience, Amsterdam, The Netherlands
| | - Matthew J Betts
- German Center for Neurodegenerative Diseases (DZNE), Magdeburg, Germany.,Institute of Cognitive Neurology and Dementia Research, Otto von Guericke University Magdeburg, Magdeburg, Germany
| | - Federica Capraro
- The Francis Crick Institute, London, UK.,Department of Neuromuscular Diseases, University College London Queen Square Institute of Neurology, London, UK
| | - Elisabeth H Thijssen
- Memory and Aging Center, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA.,Department of Clinical Chemistry, Amsterdam UMC, Amsterdam, The Netherlands
| | - Konstantin Senkevich
- Petersburg Nuclear Physics Institute names by B.P. Konstantinov of National Research Center, Kurchatov Institute, St. Petersburg, Russia.,First Pavlov State Medical University of St. Petersburg, St. Petersburg, Russia
| | - Tehmina Bharucha
- Oxford Glycobiology Institute, Department of Biochemistry , University of Oxford, Oxford, UK
| | - Mehrsa Jafarpour
- Department of Neurodegenerative Disease, UCL Queen Square, Institute of Neurology, University College London, London, UK
| | - Peter N E Young
- Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden.,Wallenberg Center for Molecular and Translational Medicine, Lund University, Lund, Sweden
| | - William Jagust
- Helen Wills Neuroscience Institute, University of California, Berkeley, Berkeley, CA, USA.,Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Stephen F Carter
- Department of Psychiatry, School of Clinical Medicine, University of Cambridge, Cambridge, UK.,Wolfson Molecular Imaging Centre, Division of Neuroscience and Experimental Psychology, University of Manchester, Manchester, UK
| | - Tammaryn Lashley
- Department of Neurodegenerative Disease, UCL Queen Square, Institute of Neurology, University College London, London, UK.,Queen Square Brain Bank for Neurological Disorders, UCL Queen Square Institute of Neurology, London, UK
| | - Lea T Grinberg
- Memory and Aging Center, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA.,University of São Paulo Medical School, São Paulo, Brazil.,Global Brain Health Institute, San Francisco, CA, USA
| | - Joana B Pereira
- Division of Clinical Geriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden.,Clinical Memory Research Unit, Department of Clinical Sciences, Faculty of Medicine, Lund University, Lund, Sweden
| | - Niklas Mattsson-Carlgren
- Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden.,Wallenberg Center for Molecular and Translational Medicine, Lund University, Lund, Sweden
| | - Nicholas J Ashton
- Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden.,Wallenberg Center for Molecular and Translational Medicine, Lund University, Lund, Sweden.,King's College London, Institute of Psychiatry, Psychology & Neuroscience, Maurice Wohl Clinical Neuroscience Institute, London, UK.,NIHR Biomedical Research Centre for Mental Health & Biomedical Research Unit for Dementia at South London & Maudsley NHS Foundation, London, UK
| | - Jörg Hanrieder
- Department of Neurodegenerative Disease, UCL Queen Square, Institute of Neurology, University College London, London, UK.,Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden
| | - Henrik Zetterberg
- Department of Neurodegenerative Disease, UCL Queen Square, Institute of Neurology, University College London, London, UK.,Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden.,Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden.,UK Dementia Research Institute at University College London, London, UK
| | - Michael Schöll
- Department of Neurodegenerative Disease, UCL Queen Square, Institute of Neurology, University College London, London, UK.,Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden.,Clinical Memory Research Unit, Department of Clinical Sciences, Faculty of Medicine, Lund University, Lund, Sweden
| | - Ross W Paterson
- Dementia Research Centre, University College London Institute of Neurology, London, UK
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Not Just Homeless, Creutzfeldt-Jakob Disease: A Case Report. J Nerv Ment Dis 2020; 208:435-438. [PMID: 32282552 DOI: 10.1097/nmd.0000000000001136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Over a 3-month period, a homeless person was admitted several times to emergency departments after displaying severe behavioral changes and paranoia. No psychiatric tests were performed but all other tests were repeatedly normal; antianxiety treatments or painkillers were the common outcome. It may seem that any diagnosis rested on the patient's immediately apparent social circumstances. Indeed, the patient was admitted to our internal medicine department after a diagnosis of acute delirium within a context of social disadvantage. This social predicament, namely, the patient's evident homelessness, proved to be a false but significant and overarching influence on several misdiagnoses until that moment. Subsequently, actual psychological observations, assessments and tests indicated and confirmed the presence of Creutzfeldt-Jakob disease. Creutzfeldt-Jakob disease is an uncommon and fatal disease; however, early diagnosis can enable the implementation of an important palliative care program. The starkly impoverished social circumstances of a patient should never distract a medical practitioner from a comprehensive diagnosis. Homelessness, for example, may invite certain physical and mental considerations, but it must not overdetermine our response and must not obscure or detract from a wider diagnosis. Homelessness is not a medical condition.
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31
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Anti-neurofilament antibodies and neurodegeneration: Markers and generators. J Neuroimmunol 2020; 344:577248. [PMID: 32344161 DOI: 10.1016/j.jneuroim.2020.577248] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 04/19/2020] [Accepted: 04/21/2020] [Indexed: 11/24/2022]
Abstract
Neuroaxonal injury and loss result in the release of cytoskeleton components, including neurofilaments, into the cerebrospinal fluid and peripheral blood. Once released, neurofilaments are highly immunogenic, inducing a specific antibody response. Anti-neurofilament antibody levels correlate with the progression of diverse neurological diseases; however, their role both in the pathogenesis of disease and as a tool for monitoring disease progression is not well understood. This study reviews the current literature on anti-neurofilament antibodies. We suggest the testing of anti-neurofilament antibodies be further developed for diagnosis and targeted for treatment.
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32
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Gil-Martins E, Barbosa DJ, Silva V, Remião F, Silva R. Dysfunction of ABC transporters at the blood-brain barrier: Role in neurological disorders. Pharmacol Ther 2020; 213:107554. [PMID: 32320731 DOI: 10.1016/j.pharmthera.2020.107554] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 04/07/2020] [Indexed: 12/14/2022]
Abstract
ABC (ATP-binding cassette) transporters represent one of the largest and most diverse superfamily of proteins in living species, playing an important role in many biological processes such as cell homeostasis, cell signaling, drug metabolism and nutrient uptake. Moreover, using the energy generated from ATP hydrolysis, they mediate the efflux of endogenous and exogenous substrates from inside the cells, thereby reducing their intracellular accumulation. At present, 48 ABC transporters have been identified in humans, which were classified into 7 different subfamilies (A to G) according to their phylogenetic analysis. Nevertheless, the most studied members with importance in drug therapeutic efficacy and toxicity include P-glycoprotein (P-gp), a member of the ABCB subfamily, the multidrug-associated proteins (MPRs), members of the ABCC subfamily, and breast cancer resistance protein (BCRP), a member of the ABCG subfamily. They exhibit ubiquitous expression throughout the human body, with a special relevance in barrier tissues like the blood-brain barrier (BBB). At this level, they play a physiological function in tissue protection by reducing or limiting the brain accumulation of neurotoxins. Furthermore, dysfunction of ABC transporters, at expression and/or activity level, has been associated with many neurological diseases, including epilepsy, multiple sclerosis, Alzheimer's disease, and amyotrophic lateral sclerosis. Additionally, these transporters are strikingly associated with the pharmacoresistance to central nervous system (CNS) acting drugs, because they contribute to the decrease in drug bioavailability. This article reviews the signaling pathways that regulate the expression and activity of P-gp, BCRP and MRPs subfamilies of transporters, with particular attention at the BBB level, and their mis-regulation in neurological disorders.
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Affiliation(s)
- Eva Gil-Martins
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Daniel José Barbosa
- Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, 4200-135 Porto, Portugal.
| | - Vera Silva
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Fernando Remião
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Renata Silva
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
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33
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Zetterberg H, Bozzetta E, Favole A, Corona C, Cavarretta MC, Ingravalle F, Blennow K, Pocchiari M, Meloni D. Neurofilaments in blood is a new promising preclinical biomarker for the screening of natural scrapie in sheep. PLoS One 2019; 14:e0226697. [PMID: 31856243 PMCID: PMC6922435 DOI: 10.1371/journal.pone.0226697] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 12/02/2019] [Indexed: 12/14/2022] Open
Abstract
Scrapie is a fatal neurodegenerative disease of sheep and goats belonging to the group of Transmissible Spongiform Encephalopathy or prion diseases. The EU has adopted mandatory measures for scrapie surveillance to safeguard public and animal health because it is highly contagious and might decimate all genetic susceptible animals in affected flocks. Definite diagnosis of scrapie relies on the detection of the pathological prion protein in brain tissues and there are still no blood biomarkers available for making diagnosis in living animals that can be used for the screening of sheep in scrapie-affected flocks. Neurofilament light (NfL) protein, a valid biomarker for neuronal and axonal damages, can now be easily measured in blood by the ultra-sensitive single molecule array (Simoa) technology. Recent work reported that serum NfL is increased in neurodegenerative diseases, including human prion diseases, but no data are available for scrapie or other animal prion diseases. Here, we found that the median serum NfL concentration in scrapie animals (56.2, IQR 42.2–84.8, n = 9) was more than 15 times higher (p = 0.00084) than that found in control samples (3.4, IQR 3.0–26.3, n = 11). Moreover, serum NfL concentration in scrapie sheep with clinical signs (n = 2; 75.3, 15.7 pg/ml) did not significantly (p = 0.541; t-test) differ from scrapie animals without clinical signs (n = 7; 61.0, 10.7 pg/ml). The receiver operating characteristic (ROC) curve analysis estimated the cut-off value of 31 pg/ml serum NfL for distinguishing scrapie-infected sheep from controls. The application of this cut-off value gives an accuracy of the test of 95% (percent error of 5.23%). These data indicate that the Simoa test for serum NfL might be a useful screening method for detecting preclinical scrapie in living sheep. Finally, the preliminary data reported here need confirmation in large and more structured studies.
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Affiliation(s)
- Henrik Zetterberg
- Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden
- Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden
- Department of Neurodegenerative Disease, UCL Institute of Neurology, Queen Square, London, United Kingdom
- UK Dementia Research Institute at UCL, University College London, London, United Kingdom
| | - Elena Bozzetta
- Istituto zooprofilattico del Piemonte Liguria e Valle d’Aosta, Turin, Italy
| | - Alessandra Favole
- Istituto zooprofilattico del Piemonte Liguria e Valle d’Aosta, Turin, Italy
| | - Cristiano Corona
- Istituto zooprofilattico del Piemonte Liguria e Valle d’Aosta, Turin, Italy
| | | | | | - Kaj Blennow
- Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden
- Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden
| | | | - Daniela Meloni
- Istituto zooprofilattico del Piemonte Liguria e Valle d’Aosta, Turin, Italy
- * E-mail:
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34
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Dar KB, Bhat AH, Amin S, Reshi BA, Zargar MA, Masood A, Ganie SA. Elucidating Critical Proteinopathic Mechanisms and Potential Drug Targets in Neurodegeneration. Cell Mol Neurobiol 2019; 40:313-345. [PMID: 31584139 DOI: 10.1007/s10571-019-00741-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 08/06/2019] [Indexed: 12/18/2022]
Abstract
Neurodegeneration entails progressive loss of neuronal structure as well as function leading to cognitive failure, apathy, anxiety, irregular body movements, mood swing and ageing. Proteomic dysregulation is considered the key factor for neurodegeneration. Mechanisms involving deregulated processing of proteins such as amyloid beta (Aβ) oligomerization; tau hyperphosphorylation, prion misfolding; α-synuclein accumulation/lewy body formation, chaperone deregulation, acetylcholine depletion, adenosine 2A (A2A) receptor hyperactivation, secretase deregulation, leucine-rich repeat kinase 2 (LRRK2) mutation and mitochondrial proteinopathies have deeper implications in neurodegenerative disorders. Better understanding of such pathological mechanisms is pivotal for exploring crucial drug targets. Herein, we provide a comprehensive outlook about the diverse proteomic irregularities in Alzheimer's, Parkinson's and Creutzfeldt Jakob disease (CJD). We explicate the role of key neuroproteomic drug targets notably Aβ, tau, alpha synuclein, prions, secretases, acetylcholinesterase (AchE), LRRK2, molecular chaperones, A2A receptors, muscarinic acetylcholine receptors (mAchR), N-methyl-D-aspartate receptor (NMDAR), glial cell line-derived neurotrophic factor (GDNF) family ligands (GFLs) and mitochondrial/oxidative stress-related proteins for combating neurodegeneration and associated cognitive and motor impairment. Cross talk between amyloidopathy, synucleinopathy, tauopathy and several other proteinopathies pinpoints the need to develop safe therapeutics with ability to strike multiple targets in the aetiology of the neurodegenerative disorders. Therapeutics like microtubule stabilisers, chaperones, kinase inhibitors, anti-aggregation agents and antibodies could serve promising regimens for treating neurodegeneration. However, drugs should be target specific, safe and able to penetrate blood-brain barrier.
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Affiliation(s)
- Khalid Bashir Dar
- Department of Clinical Biochemistry, Faculty of Biological Sciences, University of Kashmir, Srinagar, India.,Department of Biochemistry, Faculty of Biological Sciences, University of Kashmir, Srinagar, India
| | - Aashiq Hussain Bhat
- Department of Clinical Biochemistry, Faculty of Biological Sciences, University of Kashmir, Srinagar, India.,Department of Biochemistry, Faculty of Biological Sciences, University of Kashmir, Srinagar, India
| | - Shajrul Amin
- Department of Biochemistry, Faculty of Biological Sciences, University of Kashmir, Srinagar, India
| | - Bilal Ahmad Reshi
- Department of Biotechnology, Faculty of Biological Sciences, University of Kashmir, Srinagar, India
| | - Mohammad Afzal Zargar
- Department of Clinical Biochemistry, Faculty of Biological Sciences, University of Kashmir, Srinagar, India
| | - Akbar Masood
- Department of Biochemistry, Faculty of Biological Sciences, University of Kashmir, Srinagar, India
| | - Showkat Ahmad Ganie
- Department of Clinical Biochemistry, Faculty of Biological Sciences, University of Kashmir, Srinagar, India.
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35
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Clinical Laboratory Tests Used To Aid in Diagnosis of Human Prion Disease. J Clin Microbiol 2019; 57:JCM.00769-19. [PMID: 31366689 DOI: 10.1128/jcm.00769-19] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Prion diseases are a group of rapidly progressive and always fatal neurodegenerative disorders caused by misfolded prion protein in the brain. Although autopsy remains the gold-standard diagnostic tool, antemortem laboratory testing can be performed to aid in the diagnosis of prion disease. This review is meant to help laboratory directors and physicians in their interpretation of test results. Laboratory assays to detect both nonspecific biomarkers of prion disease and prion-specific biomarkers can be used. The levels of nonspecific biomarkers in cerebrospinal fluid (CSF) are elevated when rapid neurodegeneration is occurring in the patient, and these markers include 14-3-3, tau, neuron-specific enolase, S100B, and alpha-synuclein. These markers have various sensitivities and specificities but are overall limited, as the levels of any of these analytes can be elevated in nonprion disease that is causing rapid damage of brain tissue. Prion-specific assays used in clinical laboratory testing are currently limited to two options. The first option is second-generation real-time quaking-induced conversion (RT-QuIC) performed on CSF, and the second option is Western blotting of a brain biopsy specimen used to detect protease-resistant prion protein. Although both tests have exquisite specificity, RT-QuIC has a sensitivity of 92 to 97.2% in symptomatic individuals, compared to the brain biopsy Western blot sensitivity of 20 to 60%. RT-QuIC was added to the Centers for Disease Control and Prevention's diagnostic criteria for prion disease in 2018. Other caveats of laboratory testing need to be considered, as sporadic, genetic, and acquired forms of prion disease have different clinical and laboratory presentations, and these caveats are discussed. Laboratory testing plays an important role in the diagnosis of prion disease, which is often challenging to diagnose.
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36
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Bagyinszky E, Yang Y, Giau VV, Youn YC, An SSA, Kim S. Novel prion mutation (p.Tyr225Cys) in a Korean patient with atypical Creutzfeldt-Jakob disease. Clin Interv Aging 2019; 14:1387-1397. [PMID: 31447551 PMCID: PMC6683949 DOI: 10.2147/cia.s210909] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 07/04/2019] [Indexed: 02/06/2023] Open
Abstract
Background: A novel prion variant, PRNP p.Tyr225Cys (c.674A>G; p.Y225C), was identified in an atypical Creutzfeldt–Jakob disease (CJD) patient. The patient had a 5-year history of progressive cognitive impairment with speech and gait disturbances. From the basic neurological examination at his first hospital visit, rigidity and myoclonic jerks in all limbs were observed without focal weakness. Electroencephalogram showed the diffuse slow continuous delta activity in the bilateral cerebral hemisphere. Magnetic resonance imaging revealed abnormalities in the brain, such as cortical signal changes and edema in the frontotemporoparietal lobes and the basal ganglia. Cerebrospinal fluid 14–3-3 protein analysis showed a weakly positive signal. Family history remained unclear, but the patient’s mother and sister were diagnosed with cognitive impairment but both refused genetic testing. Methods: Targeted next generation sequencing (NGS) was performed on 50 genes, involved in different neurodegeneratives diseases, such as Alzheimer's, Parkinson's, frontotemporal dementia or prion diseases. In silico analyses and structure predictions were performed on the potential patohgenic mutations. Results: NGS and standard sequencing revealed the novel PRNP p.Tyr225Cys mutation in the patient. Structure predictions revealed that this may make the helix more flexible. In addition, the extra cysteine residue in TM-III of prion protein may result in disturbances of natural disulfide bond. Conclusion: Hence, the pathogenicity of PRNP p.Tyr225Cys was not fully confirmed at present, and its penetrance was suggested to be low. However, its possible pathogenic nature in prion diseases cannot be ignored, since Tyr/Cys exchange could disturb the helix dynamics and contribute to conformational alteration and disease progression.
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Affiliation(s)
- Eva Bagyinszky
- Department of Bionano Technology, Gachon University, Sungnam, Korea
| | - YoungSoon Yang
- Department of Neurology, Veteran Health Service Medical Center, Seoul, Korea
| | - Vo Van Giau
- Department of Bionano Technology, Gachon University, Sungnam, Korea
| | - Young Chul Youn
- Department of Neurology, Chungang University Hospital, Chungang University, Seoul, Korea
| | - Seong Soo A An
- Department of Bionano Technology, Gachon University, Sungnam, Korea
| | - SangYun Kim
- Department of Neurology, Seoul National University College of Medicine Seoul National University Bundang Hospital, Sungnam, Korea
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37
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Baiardi S, Capellari S, Bartoletti Stella A, Parchi P. Unusual Clinical Presentations Challenging the Early Clinical Diagnosis of Creutzfeldt-Jakob Disease. J Alzheimers Dis 2019; 64:1051-1065. [PMID: 30010123 DOI: 10.3233/jad-180123] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The introduction of prion RT-QuIC, an ultrasensitive specific assay for the in vivo detection of the abnormal prion protein, has significantly increased the potential for an early and accurate clinical diagnosis of Creutzfeldt-Jakob disease (CJD). However, in the clinical setting, the early identification of patients with possible CJD is often challenging. Indeed, CJD patients may present with isolated symptoms that remain the only clinical manifestation for some time, or with neurological syndromes atypical for CJD. To enhance awareness of unusual disease presentations and promote earlier diagnosis, we reviewed the entire spectrum of atypical early manifestations of CJD, mainly reported to date as case descriptions or small case series. They included sensory either visual or auditory disturbances, seizures, isolated psychiatric manifestations, atypical parkinsonian syndromes (corticobasal syndrome, progressive supranuclear palsy-like), pseudobulbar syndrome, isolated involuntary movements (dystonia, myoclonus, chorea, blepharospasm), acute or subacute onsets mimicking a stroke, isolated aphasia, and neuropathy. Since CJD is a rare disease and its clinical course rapidly progressive, an in-depth understanding and awareness of early clinical features are mandatory to enhance the overall diagnostic accuracy in its very early stages and to recruit optimal candidates for future therapeutic trials.
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Affiliation(s)
- Simone Baiardi
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Sabina Capellari
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.,IRCCS Institute of Neurological Sciences, Bologna, Italy
| | | | - Piero Parchi
- IRCCS Institute of Neurological Sciences, Bologna, Italy.,Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
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38
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Appleby BS, Rhoads DD, Mente K, Cohen ML. A Practical Primer on Prion Pathology. J Neuropathol Exp Neurol 2019; 77:346-352. [PMID: 29608707 DOI: 10.1093/jnen/nly019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Prion diseases comprise a group of transmissible degenerative encephalopathies resulting from propagation of a misfolded cellular protein of uncertain function. As is generally the case with rare diseases, lack of institutional experience compromises individual familiarity with the varying, and apparently protean, manifestations of prion diseases, both clinically and pathologically. Coupled with the documented transmissibility of these diseases both within and between species, the Centers for Disease Control and Prevention (CDC) has established the National Prion Disease Pathology Surveillance Center to both aid with diagnosis of prion disease and to survey the United States for evidence of zoonotic transmission. We have assembled this primer with the hope that our accumulated experience will enable the neuropathological community to help the CDC "save lives and protect people."
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Affiliation(s)
- Brian S Appleby
- National Prion Disease Pathology Surveillance Center, Case Western Reserve University, Cleveland, Ohio.,Department of Neurology and Psychiatry, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Daniel D Rhoads
- National Prion Disease Pathology Surveillance Center, Case Western Reserve University, Cleveland, Ohio.,Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Karin Mente
- Louis Stokes Cleveland Veteran's Affairs Medical Center, Cleveland, Ohio
| | - Mark L Cohen
- National Prion Disease Pathology Surveillance Center, Case Western Reserve University, Cleveland, Ohio.,Department of Pathology, University Hospitals Cleveland Medical Center, Cleveland, Ohio
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39
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Kumagai S, Daikai T, Onodera T. Bovine Spongiform Encephalopathy
- A Review from the Perspective of Food Safety. Food Saf (Tokyo) 2019; 7:21-47. [PMID: 31998585 PMCID: PMC6978881 DOI: 10.14252/foodsafetyfscj.2018009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 02/01/2019] [Indexed: 12/04/2022] Open
Abstract
Bovine spongiform encephalopathy (BSE) is a fatal neurodegenerative disease that belongs to transmissible spongiform encephalopathy (TSE). Since the first case was identified in the UK in 1986, BSE spread to other countries including Japan. Its incidence peaked in 1992 in the UK and from 2001 to 2006 in many other countries, but a feed ban aimed at eliminating the recycling of the BSE agent and other control measures aimed at preventing food and feed contamination with the agent were highly effective at reducing the spread of BSE. In 2004, two types of atypical BSE, H-type BSE (H-BSE) and L-type BSE (L-BSE), which differ from classical BSE (C-BSE), were found in France and Italy. Atypical BSE, which is assumed to occur spontaneously, has also been detected among cattle in other countries including Japan. The BSE agent including atypical BSE agent is a unique food-safety hazard with different chemical and biological properties from the microbial pathogens and toxic chemicals that contaminate food. In this review, we summarize the reported findings on the tissue distribution of BSE prions in infected cattle and other aspects of BSE, as well as the control measures against the disease employed in Japan. Topics that require further studies are discussed based on the summarized findings from the perspective of food safety.
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Affiliation(s)
- Susumu Kumagai
- Research Center for Food Safety, The University of
Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657,
Japan
| | - Takateru Daikai
- Food Safety Commission of Japan Secretariat, Akasaka
Park Bld. 22F, Akasaka 5-2-20, Minato-ku,
Tokyo 107-6122, Japan
- Cooperative Department of Veterinary Medicine,
Graduate School of Veterinary Sciences, Iwate University, Morioka-shi,
Iwate 020-8550, Japan
| | - Takashi Onodera
- Research Center for Food Safety, The University of
Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657,
Japan
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40
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Xu Y, Xu J, Zhang J, Cai Z, Wei H, Yu M, Li Y. Sporadic Creutzfeldt-Jakob disease presenting as dizziness and cognitive decline: A case report. Medicine (Baltimore) 2019; 98:e16002. [PMID: 31192942 PMCID: PMC6587618 DOI: 10.1097/md.0000000000016002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
RATIONALE Creutzfeldt-Jakob disease (CJD) is an infrequent and rapidly fatal neurodegenerative disease without effective cure. Common presentations of CJD include rapidly progressive cognitive decline, behavioral changes, cerebellar dysfunction, and visual disturbances. Since clinicians may see only very few cases during their professional career, it is important to be familiar with the clinical presentation and progression, and allow for quick diagnosis. PATIENT CONCERNS We reported an elderly woman had recurrent attacks of dizziness in the preceding month. She began to suffer progression of memory disturbance half a month before admission and was admitted to our department in a coma. DIAGNOSIS The accessory examinations of magnetic resonance imaging (MRI), electroencephalography (EEG), 14-3-3 protein in cerebrospinal fluid and S100 protein in serum support the diagnosis of sporadic CJD (sCJD). Combined with this evidence and clinical symptom, we made a clinical diagnosis of sCJD. INTERVENTIONS Supportive treatment. OUTCOMES After 2 months of active treatment, the patient's condition had not improved, and the patient died 82 days after admission. LESSONS Clinicians should attach importance to sCJD, which is significant for the prevention of transmission and treatment.
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Affiliation(s)
| | | | | | | | | | | | - Yuefeng Li
- Department of Radiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
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41
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da S. Hage-Melim LI, Ferreira JV, de Oliveira NK, Correia LC, Almeida MR, Poiani JG, Taft CA, de Paula da Silva CH. The Impact of Natural Compounds on the Treatment of Neurodegenerative Diseases. CURR ORG CHEM 2019. [DOI: 10.2174/1385272823666190327100418] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Neurodegenerative diseases (NDDs) are characterized by a progressive deterioration of the motor and/or cognitive function, that are often accompanied by psychiatric disorders, caused by a selective loss of neurons in the central nervous system. Among the NDDs we can mention Alzheimer’s disease (AD), Parkinson’s disease (PD), Huntington’s disease (HD), amyotrophic lateral sclerosis (ALS), spinocerebellar ataxia 3 (SCA3), spinal and bulbar muscular atrophy (SBMA) and Creutzfeldt-Jakob disease (CJD). AD and HD are characterized mainly by massive neuronal loss. PD, ALS, SCA3 and SBMA are agerelated diseases which have characteristic motor symptoms. CJD is an NDD caused by prion proteins. With increasing life expectancy, elderly populations tend to have more health problems, such as chronic diseases related to age and disability. Therefore, the development of therapeutic strategies to treat or prevent multiple pathophysiological conditions in the elderly can improve the expectation and quality of life. The attention of researchers has been focused on bioactive natural compounds that represent important resources in the discovery and development of drug candidates against NDDs. In this review, we discuss the pathogenesis, symptoms, potential targets, treatment and natural compounds effective in the treatment of AD, PD, HD, ALS, SCA3, SBMA and CJD.
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Affiliation(s)
- Lorane I. da S. Hage-Melim
- Laboratorio de Quimica Farmaceutica e Medicinal (PharMedChem), Universidade Federal do Amapa, Macapa, Brazil
| | - Jaderson V. Ferreira
- Laboratorio de Quimica Farmaceutica e Medicinal (PharMedChem), Universidade Federal do Amapa, Macapa, Brazil
| | - Nayana K.S. de Oliveira
- Laboratorio de Quimica Farmaceutica e Medicinal (PharMedChem), Universidade Federal do Amapa, Macapa, Brazil
| | - Lenir C. Correia
- Laboratorio de Quimica Farmaceutica e Medicinal (PharMedChem), Universidade Federal do Amapa, Macapa, Brazil
| | - Marcos R.S. Almeida
- Laboratorio de Quimica Farmaceutica e Medicinal (PharMedChem), Universidade Federal do Amapa, Macapa, Brazil
| | - João G.C. Poiani
- Laboratorio Computacional de Química Farmaceutica, Departamento de Ciencias Farmaceuticas, Faculdade de Ciencias Farmaceuticas de Ribeirao Preto, Universidade de Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
| | - Carlton A. Taft
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Carlos H.T. de Paula da Silva
- Laboratorio Computacional de Química Farmaceutica, Departamento de Ciencias Farmaceuticas, Faculdade de Ciencias Farmaceuticas de Ribeirao Preto, Universidade de Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
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42
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Tiple D, Poleggi A, Mellina V, Morocutti A, Brusa L, Iani C, Colaizzo E, Vaianella L, Baiardi S, Ladogana A, Parchi P, Pocchiari M. Clinicopathological features of the rare form of Creutzfeldt-Jakob disease in R208H-V129V PRNP carrier. Acta Neuropathol Commun 2019; 7:47. [PMID: 30898147 PMCID: PMC6429782 DOI: 10.1186/s40478-019-0699-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 03/15/2019] [Indexed: 12/30/2022] Open
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Baiardi S, Rossi M, Capellari S, Parchi P. Recent advances in the histo-molecular pathology of human prion disease. Brain Pathol 2019; 29:278-300. [PMID: 30588685 DOI: 10.1111/bpa.12695] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 12/11/2018] [Indexed: 02/06/2023] Open
Abstract
Prion diseases are progressive neurodegenerative disorders affecting humans and other mammalian species. The term prion, originally put forward to propose the concept that a protein could be infectious, refers to PrPSc , a misfolded isoform of the cellular prion protein (PrPC ) that represents the pathogenetic hallmark of these disorders. The discovery that other proteins characterized by misfolding and seeded aggregation can spread from cell to cell, similarly to PrPSc , has increased interest in prion diseases. Among neurodegenerative disorders, however, prion diseases distinguish themselves for the broader phenotypic spectrum, the fastest disease progression and the existence of infectious forms that can be transmitted through the exposure to diseased tissues via ingestion, injection or transplantation. The main clinicopathological phenotypes of human prion disease include Creutzfeldt-Jakob disease, by far the most common, fatal insomnia, variably protease-sensitive prionopathy, and Gerstmann-Sträussler-Scheinker disease. However, clinicopathological manifestations extend even beyond those predicted by this classification. Because of their transmissibility, the phenotypic diversity of prion diseases can also be propagated into syngenic hosts as prion strains with distinct characteristics, such as incubation period, pattern of PrPSc distribution and regional severity of histopathological changes in the brain. Increasing evidence indicates that different PrPSc conformers, forming distinct ordered aggregates, encipher the phenotypic variants related to prion strains. In this review, we summarize the most recent advances concerning the histo-molecular pathology of human prion disease focusing on the phenotypic spectrum of the disease including co-pathologies, the characterization of prion strains by experimental transmission and their correlation with the physicochemical properties of PrPSc aggregates.
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Affiliation(s)
- Simone Baiardi
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Marcello Rossi
- IRCCS, Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Sabina Capellari
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.,IRCCS, Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Piero Parchi
- IRCCS, Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy.,Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
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44
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Di Fede G, Catania M, Atzori C, Moda F, Pasquali C, Indaco A, Grisoli M, Zuffi M, Guaita MC, Testi R, Taraglio S, Sessa M, Gusmaroli G, Spinelli M, Salzano G, Legname G, Tarletti R, Godi L, Pocchiari M, Tagliavini F, Imperiale D, Giaccone G. Clinical and neuropathological phenotype associated with the novel V189I mutation in the prion protein gene. Acta Neuropathol Commun 2019; 7:1. [PMID: 30606247 PMCID: PMC6317215 DOI: 10.1186/s40478-018-0656-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 12/21/2018] [Indexed: 12/29/2022] Open
Abstract
Prion diseases are neurodegenerative disorders which are caused by an accumulation of the abnormal, misfolded prion protein known as scrapie prion protein (PrPSc). These disorders are unique as they occur as sporadic, genetic and acquired forms. Sporadic Creutzfeldt-Jakob Disease (CJD) is the most common human prion disease, accounting for approximately 85-90% of cases, whereas autosomal dominant genetic forms, due to mutations in the prion protein gene (PRNP), account for 10-15% of cases. Genetic forms show a striking variability in their clinical and neuropathological picture and can sometimes mimic other neurodegenerative diseases.We report a novel PRNP mutation (V189I) in four CJD patients from three unrelated pedigrees. In three patients, the clinical features were typical for CJD and the diagnosis was pathologically confirmed, while the fourth patient presented with a complex phenotype including rapidly progressive dementia, behavioral abnormalities, ataxia and extrapyramidal features, and the diagnosis was probable CJD by current criteria, on the basis of PrPSc detection in CSF by Real Time Quaking-Induced Conversion assay. In all the three patients with autopsy findings, the neuropathological analysis revealed diffuse synaptic type deposition of proteinase K-resistant prion protein (PrPres), and type 1 PrPres was identified in the brain by western blot analysis. So, the histopathological and biochemical profile associated with the V189I mutation was indistinguishable from the MM1/MV1 subtype of sporadic CJD.Our findings support a pathogenic role for the V189I PRNP variant, confirm the heterogeneity of the clinical phenotypes associated to PRNP mutations and highlight the importance of PrPSc detection assays as diagnostic tools to unveil prion diseases presenting with atypical phenotypes.
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Affiliation(s)
- Giuseppe Di Fede
- Neurology V - Neuropathology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, 20133, Milan, Italy.
| | - Marcella Catania
- Neurology V - Neuropathology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, 20133, Milan, Italy
| | - Cristiana Atzori
- Centro Regionale Malattie da Prioni (DOMP), ASL 'Città di Torino', Turin, Italy
| | - Fabio Moda
- Neurology V - Neuropathology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, 20133, Milan, Italy
| | - Claudio Pasquali
- Neurology V - Neuropathology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, 20133, Milan, Italy
| | - Antonio Indaco
- Neurology V - Neuropathology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, 20133, Milan, Italy
| | - Marina Grisoli
- Neuroradiology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Marta Zuffi
- Neurology Unit, Multimedica, Castellanza, Italy
| | | | - Roberto Testi
- Centro Regionale Malattie da Prioni (DOMP), ASL 'Città di Torino', Turin, Italy
| | - Stefano Taraglio
- Centro Regionale Malattie da Prioni (DOMP), ASL 'Città di Torino', Turin, Italy
| | - Maria Sessa
- Neurology Unit, Foundation IRCCS Centro s. Raffaele del Monte Tabor, Milan, Italy
- Neurology Unit - ASST Cremona, Cremona, Italy
| | | | | | - Giulia Salzano
- Laboratory of Prion Biology, Department of Neuroscience, Scuola Internazionale Superiore di Studi Avanzati (SISSA), Trieste, Italy
| | - Giuseppe Legname
- Laboratory of Prion Biology, Department of Neuroscience, Scuola Internazionale Superiore di Studi Avanzati (SISSA), Trieste, Italy
| | | | - Laura Godi
- Neurology Unit, ASL Novara, Ospedale di Borgomanero, Borgomanero, Italy
| | | | - Fabrizio Tagliavini
- Scientific Directorate, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Daniele Imperiale
- Centro Regionale Malattie da Prioni (DOMP), ASL 'Città di Torino', Turin, Italy
| | - Giorgio Giaccone
- Neurology V - Neuropathology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, 20133, Milan, Italy
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45
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Dudchenko NG, Vasenina EE. Rapidly progressive dementia. Zh Nevrol Psikhiatr Im S S Korsakova 2019; 119:78-84. [DOI: 10.17116/jnevro201911909278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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46
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Ruiz M, Del Agua E, Piñol-Ripoll G. Psychosis as debut of sporadic Creutzfeldt-Jakob disease. REVISTA DE PSIQUIATRIA Y SALUD MENTAL 2018; 12:131-133. [PMID: 30552004 DOI: 10.1016/j.rpsm.2018.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 10/06/2018] [Accepted: 11/02/2018] [Indexed: 10/27/2022]
Affiliation(s)
- Maria Ruiz
- Servicio Neurología, Clinical Neuroscience Research, IRBLleida-Hospital Universitari Arnau Vilanova, Lleida, España
| | - Enrique Del Agua
- Servicio Psiquiatría, Hospital Universitari Santa Maria, Lleida, España
| | - Gerard Piñol-Ripoll
- Servicio Neurología, Clinical Neuroscience Research, IRBLleida-Hospital Universitari Arnau Vilanova, Lleida, España; Unitat Trastorns Cognitius, Clinical Neuroscience Research, IRBLleida-Hospital Universitari Santa Maria, Lleida, España.
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47
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Takayanagi M, Suzuki K, Nakamura T, Hirata K, Satoh K, Kitamoto T. [Genetic Creutzfeldt-Jakob disease with a glutamate-to-lysine substitution at codon 219 (E219K) in the presence of the E200K mutation presenting with rapid progressive dementia following slowly progressive clinical course]. Rinsho Shinkeigaku 2018; 58:682-687. [PMID: 30369528 DOI: 10.5692/clinicalneurol.cn-001206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
A 57-year-old man developed rapidly progressive dementia and a gait disturbance over 4 months. The patient had a slowly progressive executive dysfunction and speech problems for 4 years and was previously monitored in our outpatient clinic following a diagnosis of frontotemporal dementia. Diffusion-weighted MRI revealed high signal intensities in the right caudate nucleus and the bilateral cortices. Cerebrospinal fluid analysis showed increased levels of the 14-3-3 and total tau proteins. Periodic synchronous discharge was not evident on an electroencephalogram. Prion protein gene analysis identified a glutamate-to-lysine substitution at codon 219 (E219K) in the presence of the E200K mutation, leading to a genetic diagnosis of genetic Creutzfeldt-Jakob disease (CJD). The E219K polymorphism found on the allele of the E200K mutation may have influenced the characteristic clinical course of our patient that differed from that of typical E200K genetic CJD.
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Affiliation(s)
| | | | | | | | - Katsuya Satoh
- Department of Locomotive Rehabilitation Sciences, Nagasaki University Graduate School of Medicine
| | - Tetsuyuki Kitamoto
- Division of CJD Science and Technology, Department of Prion Research, Center for Translational and Advanced Animal Research on Human Diseases, Tohoku University School of Medicine
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48
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Saraceno L, Ricigliano VAG, Cavalli M, Cagol A, Bosco G, Moda F, Caroppo P, Meola G. Sporadic MM-1 Type Creutzfeldt-Jakob Disease With Hemiballic Presentation and No Cognitive Impairment Until Death: How New NCJDRSU Diagnostic Criteria May Allow Early Diagnosis. Front Neurol 2018; 9:739. [PMID: 30233486 PMCID: PMC6134320 DOI: 10.3389/fneur.2018.00739] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 08/14/2018] [Indexed: 12/05/2022] Open
Abstract
Sporadic Creutzfeldt-Jakob disease is the most common human prion disorder. Although associated with heterogeneous clinical phenotypes, its distinctive feature is the presence of a rapidly progressive multidomain cognitive impairment. We describe the atypical case of a patient affected by sporadic Methionine/Methionine type 1 Creutzfeldt-Jakob disease (typically associated with early cognitive decline) who presented with an isolated hemiballic syndrome and no signs of cognitive involvement until death. We review sporadic Creutzfeldt-Jakob disease diagnostic criteria and their updates since their first formulation, highlighting their limitations in clinical diagnostic work-up. Finally, we discuss the recently introduced National Creutzfeldt-Jakob Disease Research and Surveillance Unit diagnostic criteria, suggesting how their application could support an early clinical diagnosis, even in atypical cases, such as the one presented.
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Affiliation(s)
- Lorenzo Saraceno
- Department of Biomedical Sciences for Health, University of Milan, IRCCS Policlinico San Donato, Milan, Italy
| | - Vito A G Ricigliano
- Department of Biomedical Sciences for Health, University of Milan, IRCCS Policlinico San Donato, Milan, Italy
| | - Michele Cavalli
- Department of Biomedical Sciences for Health, University of Milan, IRCCS Policlinico San Donato, Milan, Italy
| | - Alessandro Cagol
- Department of Biomedical Sciences for Health, University of Milan, IRCCS Policlinico San Donato, Milan, Italy
| | - Giovanna Bosco
- Department of Neurology, IRCCS Policlinico San Donato, Milan, Italy
| | - Fabio Moda
- Carlo Besta Neurological Institute, IRCCS Foundation, Milan, Italy
| | - Paola Caroppo
- Carlo Besta Neurological Institute, IRCCS Foundation, Milan, Italy
| | - Giovanni Meola
- Department of Biomedical Sciences for Health, University of Milan, IRCCS Policlinico San Donato, Milan, Italy.,Department of Neurology, IRCCS Policlinico San Donato, Milan, Italy
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Pankiewicz JE, Sanchez S, Kirshenbaum K, Kascsak RB, Kascsak RJ, Sadowski MJ. Anti-prion Protein Antibody 6D11 Restores Cellular Proteostasis of Prion Protein Through Disrupting Recycling Propagation of PrP Sc and Targeting PrP Sc for Lysosomal Degradation. Mol Neurobiol 2018; 56:2073-2091. [PMID: 29987703 DOI: 10.1007/s12035-018-1208-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 06/26/2018] [Indexed: 10/28/2022]
Abstract
PrPSc is an infectious and disease-specific conformer of the prion protein, which accumulation in the CNS underlies the pathology of prion diseases. PrPSc replicates by binding to the cellular conformer of the prion protein (PrPC) expressed by host cells and rendering its secondary structure a likeness of itself. PrPC is a plasma membrane anchored protein, which constitutively recirculates between the cell surface and the endocytic compartment. Since PrPSc engages PrPC along this trafficking pathway, its replication process is often referred to as "recycling propagation." Certain monoclonal antibodies (mAbs) directed against prion protein can abrogate the presence of PrPSc from prion-infected cells. However, the precise mechanism(s) underlying their therapeutic propensities remains obscure. Using N2A murine neuroblastoma cell line stably infected with 22L mouse-adapted scrapie strain (N2A/22L), we investigated here the modus operandi of the 6D11 clone, which was raised against the PrPSc conformer and has been shown to permanently clear prion-infected cells from PrPSc presence. We determined that 6D11 mAb engages and sequesters PrPC and PrPSc at the cell surface. PrPC/6D11 and PrPSc/6D11 complexes are then endocytosed from the plasma membrane and are directed to lysosomes, therefore precluding recirculation of nascent PrPSc back to the cell surface. Targeting PrPSc by 6D11 mAb to the lysosomal compartment facilitates its proteolysis and eventually shifts the balance between PrPSc formation and degradation. Ongoing translation of PrPC allows maintaining the steady-state level of prion protein within the cells, which was not depleted under 6D11 mAb treatment. Our findings demonstrate that through disrupting recycling propagation of PrPSc and promoting its degradation, 6D11 mAb restores cellular proteostasis of prion protein.
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Affiliation(s)
- Joanna E Pankiewicz
- Department of Neurology, New York University School of Medicine, 550 First Avenue, Science Building, Room 1007, New York, NY, 10016, USA.,Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY, 10016, USA
| | - Sandrine Sanchez
- Department of Neurology, New York University School of Medicine, 550 First Avenue, Science Building, Room 1007, New York, NY, 10016, USA
| | - Kent Kirshenbaum
- Department of Chemistry, New York University, New York, NY, 10003, USA
| | - Regina B Kascsak
- New York State Institute for Basic Research in Developmental Disabilities, Staten Island, NY, 10314, USA
| | - Richard J Kascsak
- New York State Institute for Basic Research in Developmental Disabilities, Staten Island, NY, 10314, USA
| | - Martin J Sadowski
- Department of Neurology, New York University School of Medicine, 550 First Avenue, Science Building, Room 1007, New York, NY, 10016, USA. .,Department of Psychiatry, New York University School of Medicine, New York, NY, 10016, USA. .,Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY, 10016, USA.
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50
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Bagyinszky E, Giau VV, Youn YC, An SSA, Kim S. Characterization of mutations in PRNP (prion) gene and their possible roles in neurodegenerative diseases. Neuropsychiatr Dis Treat 2018; 14:2067-2085. [PMID: 30147320 PMCID: PMC6097508 DOI: 10.2147/ndt.s165445] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Abnormal prion proteins are responsible for several fatal neurodegenerative diseases in humans and in animals, including Creutzfeldt-Jakob disease (CJD), Gerstmann-Sträussler-Scheinker disease, and fatal familial insomnia. Genetics is important in prion diseases, but in the most cases, cause of diseases remained unknown. Several mutations were found to be causative for prion disorders, and the effect of mutations may be heterogeneous. In addition, different prion mutations were suggested to play a possible role in additional phenotypes, such as Alzheimer's type pathology, spongiform encephalopathy, or frontotemporal dementia. Pathogenic nature of several prion mutations remained unclear, such as M129V and E219K. These two polymorphic sites were suggested as either risk factors for different disorders, such as Alzheimer's disease (AD), variant CJD, or protease-sensitive prionopathy, and they can also be disease-modifying factors. Pathological overlap may also be possible with AD or progressive dementia, and several patients with prion mutations were initially diagnosed with AD. This review also introduces briefly the diagnosis of prion diseases and the issues with their diagnosis. Since prion diseases have quite heterogeneous phenotypes, a complex analysis, a combination of genetic screening, cerebrospinal fluid biomarker analysis and imaging technologies could improve the early disease diagnosis.
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Affiliation(s)
- Eva Bagyinszky
- Department of Bionano Technology, Gachon Bionano Research Institute, Gachon University, Gyeonggi-do, South Korea,
| | - Vo Van Giau
- Department of Bionano Technology, Gachon Bionano Research Institute, Gachon University, Gyeonggi-do, South Korea,
| | - Young Chul Youn
- Department of Neurology, Chung-Ang University College of Medicine, Seoul, South Korea
| | - Seong Soo A An
- Department of Bionano Technology, Gachon Bionano Research Institute, Gachon University, Gyeonggi-do, South Korea,
| | - SangYun Kim
- Department of Neurology, Seoul National University College of Medicine & Neurocognitive Behavior Center, Seoul National University Bundang Hospital, Seongnam, South Korea
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