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Albert L, Potheegadoo J, Herbelin B, Bernasconi F, Blanke O. Numerosity estimation of virtual humans as a digital-robotic marker for hallucinations in Parkinson's disease. Nat Commun 2024; 15:1905. [PMID: 38472203 DOI: 10.1038/s41467-024-45912-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 02/07/2024] [Indexed: 03/14/2024] Open
Abstract
Hallucinations are frequent non-motor symptoms in Parkinson's disease (PD) associated with dementia and higher mortality. Despite their high clinical relevance, current assessments of hallucinations are based on verbal self-reports and interviews that are limited by important biases. Here, we used virtual reality (VR), robotics, and digital online technology to quantify presence hallucination (vivid sensations that another person is nearby when no one is actually present and can neither be seen nor heard) in laboratory and home-based settings. We establish that elevated numerosity estimation of virtual human agents in VR is a digital marker for experimentally induced presence hallucinations in healthy participants, as confirmed across several control conditions and analyses. We translated the digital marker (numerosity estimation) to an online procedure that 170 PD patients carried out remotely at their homes, revealing that PD patients with disease-related presence hallucinations (but not control PD patients) showed higher numerosity estimation. Numerosity estimation enables quantitative monitoring of hallucinations, is an easy-to-use unobtrusive online method, reaching people far away from medical centers, translating neuroscientific findings using robotics and VR, to patients' homes without specific equipment or trained staff.
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Affiliation(s)
- Louis Albert
- Laboratory of Cognitive Neuroscience, Neuro-X Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), Geneva, Switzerland
| | - Jevita Potheegadoo
- Laboratory of Cognitive Neuroscience, Neuro-X Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), Geneva, Switzerland
| | - Bruno Herbelin
- Laboratory of Cognitive Neuroscience, Neuro-X Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), Geneva, Switzerland
| | - Fosco Bernasconi
- Laboratory of Cognitive Neuroscience, Neuro-X Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), Geneva, Switzerland
| | - Olaf Blanke
- Laboratory of Cognitive Neuroscience, Neuro-X Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), Geneva, Switzerland.
- Department of Clinical Neurosciences, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
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2
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Batzu L, Podlewska A, Gibson L, Chaudhuri KR, Aarsland D. A general clinical overview of the non-motor symptoms in Parkinson's disease: Neuropsychiatric symptoms. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2024; 174:59-97. [PMID: 38341232 DOI: 10.1016/bs.irn.2023.11.001] [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: 02/12/2024]
Abstract
The heterogeneity of non-motor features observed in people with Parkinson's disease (PD) is often dominated by one or more symptoms belonging to the neuropsychiatric spectrum, such as cognitive impairment, psychosis, depression, anxiety, and apathy. Due to their high prevalence in people with PD (PwP) and their occurrence in every stage of the disease, from the prodromal to the advanced stage, it is not surprising that PD can be conceptualised as a complex neuropsychiatric disorder. Despite progress in understanding the pathophysiological mechanisms underlying the neuropsychiatric signs and symptoms in PD, and better identification and diagnosis of these symptoms, effective treatments are still a major unmet need. The impact of these symptoms on the quality of life of PwP and caregivers, as well as their contribution to the overall non-motor symptom burden can be greater than that of motor symptoms and require a personalised, holistic approach. In this chapter, we provide a general clinical overview of the major neuropsychiatric symptoms of PD.
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Affiliation(s)
- Lucia Batzu
- Department of Basic and Clinical Neurosciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence, King's College Hospital, London, United Kingdom
| | - Aleksandra Podlewska
- Department of Basic and Clinical Neurosciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence, King's College Hospital, London, United Kingdom
| | - Lucy Gibson
- Department of Old Age Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - K Ray Chaudhuri
- Department of Basic and Clinical Neurosciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence, King's College Hospital, London, United Kingdom
| | - Dag Aarsland
- Department of Old Age Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom; Centre for Age-Related Diseases, Stavanger University Hospital, Stavanger, Norway.
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3
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Shahid M, Rawls A, Ramirez V, Ryman S, Santini VE, Yang L, Sha SJ, Hall JN, Montine TJ, Lin A, Tian L, Henderson VW, Cholerton B, Yutsis M, Poston KL. Illusory Responses across the Lewy Body Disease Spectrum. Ann Neurol 2023; 93:702-714. [PMID: 36511519 PMCID: PMC10231422 DOI: 10.1002/ana.26574] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 11/22/2022] [Accepted: 12/04/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVE This study was undertaken to study pareidolias, or perceived meaningful objects in a meaningless stimulus, in patients across the Lewy body (LB) disease spectrum, where most do not report hallucinations or delusions. METHODS We studied illusory responses on the Noise Pareidolia Task in 300 participants (38 cognitively impaired LB, 65 cognitively unimpaired LB, 51 Alzheimer disease spectrum [AD-s], 146 controls). Pairwise between-group comparisons examined how diagnosis impacts the number of illusory responses. Ordinal regression analysis compared the number of illusory responses across diagnosis groups, adjusting for age, sex, and education. Analyses were repeated after removing participants with reported hallucinations or delusions. RESULTS Cognitively impaired LB participants were 12.3, 4.9, and 4.6 times more likely than control, cognitively unimpaired LB, and AD-s participants, respectively, to endorse illusory responses. After adjusting for age, sex, and education, the probability of endorsing 1 or more illusory responses was 61% in the cognitively impaired LB group, compared to 26% in AD-s, 25% in cognitively unimpaired LB, and 12% in control participants. All results were similar after repeated analysis only in participants without hallucinations or delusions. In LB without hallucinations or delusions, 52% with mild cognitive impairment and 66.7% with dementia endorsed at least 1 illusory response. INTERPRETATION We found illusory responses are common in cognitively impaired LB patients, including those without any reported psychosis. Our data suggest that, prior to the onset of hallucinations and delusions, the Noise Pareidolia Task can easily be used to screen for unobtrusive pareidolias in all LB patients. ANN NEUROL 2023;93:702-714.
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Affiliation(s)
- Marian Shahid
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Ashley Rawls
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
- Department of Neurology, University of Florida, Gainesville, FL, USA
| | - Veronica Ramirez
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Sephira Ryman
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
- Department of Translational Neuroscience, Mind Research Network, Albuquerque, NM, USA
| | - Veronica E Santini
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
- Department of Neurology, Yale School of Medicine, New Haven, CT, USA
| | - Laurice Yang
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Sharon J Sha
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Jacob N Hall
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
- Neurology Center of Southern California, Temecula, CA, USA
| | - Thomas J Montine
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Amy Lin
- Department of Biomedical Data Science, Stanford University School of Medicine, Stanford, CA, USA
| | - Lu Tian
- Department of Biomedical Data Science, Stanford University School of Medicine, Stanford, CA, USA
| | - Victor W Henderson
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
- Department of Epidemiology & Population Health, Stanford University School of Medicine, Stanford, CA, USA
| | - Brenna Cholerton
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Maya Yutsis
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Kathleen L Poston
- Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, USA
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4
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Should patients with Parkinson’s disease only visit a neurologist’s office? - a narrative review of neuropsychiatric disorders among people with Parkinson’s disease. CURRENT PROBLEMS OF PSYCHIATRY 2022. [DOI: 10.2478/cpp-2022-0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Abstract
Introduction: Parkinson’s disease is a neurodegenerative disease that is often accompanied by disorders such as depression, psychotic disorders, cognitive disorders, anxiety disorders, sleep disorders, impulse control disorders. The aim of the study was to review the literature and present the characteristics of neuropsychiatric disorders occurring in people suffering from Parkinson’s disease, with the specification of the above-mentioned disorders.
Material and method: The literature available on the PubMed platform from 1986 to 2022 was reviewed using the following keywords: Parkinson’s disease, depression, anxiety disorders, psychotic disorders, sleep disorders, cognitive disorders, impulse control disorders. Original studies, reviews, meta-analyzes and internet sources were analyzed.
Results: The above-mentioned neuropsychiatric disorders appear with different frequency among people suffering from Parkinson’s disease and occur at different times of its duration or even precede its onset for many years. The non-motor symptoms in the form of depressed mood, energy loss or changes in the rhythm of the day may result in a delay of appropriate therapy and thus in complications. Neuropathological changes in the course of Parkinson’s disease as well as dopaminergic drugs used in its therapy influence the development of neuropsychiatric disorders.
Conclusions: In order to avoid misdiagnosis, practitioners should use, e.g. scales intended for patients with Parkinson’s disease. To prevent the consequences of the aforementioned disease entities, methods of early diagnosis, determination of risk factors and standardization of the treatment process must be determined. Consistent care for patients with Parkinson’s disease is significant, not only in the neurological field, but also in the psychiatric one.
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Agüera-Ortiz L, Babulal GM, Bruneau MA, Creese B, D'Antonio F, Fischer CE, Gatchel JR, Ismail Z, Kumar S, McGeown WJ, Mortby ME, Nuñez NA, de Oliveira FF, Pereiro AX, Ravona-Springer R, Rouse HJ, Wang H, Lanctôt KL. Psychosis as a Treatment Target in Dementia: A Roadmap for Designing Interventions. J Alzheimers Dis 2022; 88:1203-1228. [PMID: 35786651 PMCID: PMC9484097 DOI: 10.3233/jad-215483] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Psychotic phenomena are among the most severe and disruptive symptoms of dementias and appear in 30% to 50% of patients. They are associated with a worse evolution and great suffering to patients and caregivers. Their current treatments obtain limited results and are not free of adverse effects, which are sometimes serious. It is therefore crucial to develop new treatments that can improve this situation. We review available data that could enlighten the future design of clinical trials with psychosis in dementia as main target. Along with an explanation of its prevalence in the common diseases that cause dementia, we present proposals aimed at improving the definition of symptoms and what should be included and excluded in clinical trials. A review of the available information regarding the neurobiological basis of symptoms, in terms of pathology, neuroimaging, and genomics, is provided as a guide towards new therapeutic targets. The correct evaluation of symptoms is transcendental in any therapeutic trial and these aspects are extensively addressed. Finally, a critical overview of existing pharmacological and non-pharmacological treatments is made, revealing the unmet needs, in terms of efficacy and safety. Our work emphasizes the need for better definition and measurement of psychotic symptoms in dementias in order to highlight their differences with symptoms that appear in non-dementing diseases such as schizophrenia. Advances in neurobiology should illuminate the development of new, more effective and safer molecules for which this review can serve as a roadmap in the design of future clinical trials.
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Affiliation(s)
- Luis Agüera-Ortiz
- Department of Psychiatry, Instituto de Investigación Sanitaria (imas12), Hospital Universitario 12 de Octubre, & Centro de Investigación Biomédica en Red de Salud Mental, CIBERSAM, Instituto de Salud Carlos III, Madrid, Spain
| | - Ganesh M Babulal
- Department of Neurology, Washington University School of Medicine, St. Louis, MO, USA.,Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA.,Department of Psychology, Faculty of Humanities, University of Johannesburg, South Africa
| | - Marie-Andrée Bruneau
- Department of Psychiatry and Addictology, Faculty of Medicine, University of Montreal, Quebec, Canada.,Geriatric Institute of Montreal Research Center, Montreal, Quebec, Canada
| | - Byron Creese
- Medical School, College of Medicine and Health, University of Exeter, UK
| | | | - Corinne E Fischer
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, Ontario, Canada.,University of Toronto, Department of Psychiatry, Toronto, Ontario, Canada
| | - Jennifer R Gatchel
- Harvard Medical School; Massachusetts General Hospital, Boston MA, USA.,McLean Hospital, Belmont MA, USA
| | - Zahinoor Ismail
- Hotchkiss Brain Institute & O'Brien Institute for Public Health, University of Calgary, Calgary, Canada
| | - Sanjeev Kumar
- Adult Neurodevelopmental and Geriatric Psychiatry Division, Centre for Addiction and Mental Health, Toronto, Ontario, Canada.,Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - William J McGeown
- School of Psychological Sciences and Health, University of Strathclyde, Glasgow, UK
| | - Moyra E Mortby
- School of Psychology, University of New South Wales, Sydney, Australia & Neuroscience Research Australia, Sydney, Australia
| | - Nicolas A Nuñez
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA
| | - Fabricio F de Oliveira
- Department of Neurology and Neurosurgery, Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Arturo X Pereiro
- Facultade de Psicoloxía, Universidade de Santiago de Compostela, Spain
| | - Ramit Ravona-Springer
- Sheba Medical Center, Tel Hashomer, Israel & Sackler School of Medicine, Tel Aviv University, Israel
| | - Hillary J Rouse
- School of Aging Studies, University of South Florida, Tampa, FL, USA.,SiteRx, New York, NY, USA
| | - Huali Wang
- Dementia Care and Research Center, Peking University Institute of Mental Health; National & Clinical Research Center for Mental Disorders, Beijing, China
| | - Krista L Lanctôt
- Hurvitz Brain Sciences Program, Sunnybrook Research Institute and Departments of Psychiatry and Pharmacology, University of Toronto, Toronto, Ontario, Canada
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6
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Austgen G, Marsh L. Cognitive dysfunction and neuropsychiatric aspects of Parkinson's disease. PROGRESS IN BRAIN RESEARCH 2022; 269:59-90. [PMID: 35248207 DOI: 10.1016/bs.pbr.2022.01.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Movement abnormalities, by definition, and cognitive changes, to varying extents, affect every patient with Parkinson's disease (PD) and are attributed to the underlying neurodegenerative disease. Various psychiatric disorders occur in most patients at some point over the course of PD, including in the prodromal phase. Even though psychiatric disturbances tend to aggravate motor and cognitive deficits, they are under-recognized and under-treated, and the role of the underlying neurological disease is often minimized. To provide an integrated approach to understanding neuropsychiatric aspects of PD, this chapter reviews how cognitive changes in PD relate to the common psychiatric disturbances in PD along with the prevalence, phenomenology, pathophysiology, and treatment of each.
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Affiliation(s)
- Gabriela Austgen
- Behavioral Neurology & Neuropsychiatry, Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, United States
| | - Laura Marsh
- Mental Health Care Line, Michael E. DeBakey Veterans Affairs Medical Center, Professor, Division of Neuropsychiatry, Menninger Department of Psychiatry and Behavioral Sciences and Department of Neurology, Baylor College of Medicine, Houston, TX, United States.
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7
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Montagnese M, Vignando M, Collerton D, Ffytche D, Mosimann UP, Taylor JP, daSilva Morgan K, Urwyler P. Cognition, hallucination severity and hallucination-specific insight in neurodegenerative disorders and eye disease. Cogn Neuropsychiatry 2022; 27:105-121. [PMID: 34338592 DOI: 10.1080/13546805.2021.1960812] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Introduction: Hallucinations occur across neurodegenerative disorders, with increasing severity, poorer cognition and impaired hallucination-specific insight associated with worse outcomes and faster disease progression. It remains unclear how changes in cognition, temporal aspects of hallucinations, hallucination-specific insight and distress relate to each other.Methods: Extant samples of patients experiencing visual hallucinations were included in the analyses: Parkinson's Disease (n = 103), Parkinson's Disease Dementia (n = 41), Dementia with Lewy Bodies (n = 27) and Eye Disease (n = 113). We explored the relationship between factors of interest with Spearman's correlations and random-effect linear models.Results: Spearman's correlation analyses at the whole-group level showed that higher hallucination-specific insight was related to higher MMSE score (rs = 0.39, p < 0.001) and less severe hallucinations (rs = -0.28, p < .01). Linear mixed-models controlling for diagnostic group showed that insight was related to higher MMSE (p < .001), to hallucination severity (p = 0.003), and to VH duration (p = 0.04). Interestingly, insight was linked to the distress component but not the frequency component of severity. No significant relationship was found between MMSE and hallucination severity in these analyses.Conclusion: Our findings highlight the importance of hallucination-specific insight, distress and duration across groups. A better understanding of the role these factors play in VH may help with the development of future therapeutic interventions trans-diagnostically.
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Affiliation(s)
- Marcella Montagnese
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Miriam Vignando
- Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Daniel Collerton
- School of Psychology, Newcastle University, Newcastle upon Tyne, UK
| | - Dominic Ffytche
- Department of Old Age Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Urs Peter Mosimann
- Gerontechnology and Rehabilitation, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland
| | - John-Paul Taylor
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Katrina daSilva Morgan
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Prabitha Urwyler
- Gerontechnology and Rehabilitation, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland.,Department of Neurology, University Neurorehabilitation Unit, Inselspital, Bern, Switzerland
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8
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Vignando M, Ffytche D, Lewis SJG, Lee PH, Chung SJ, Weil RS, Hu MT, Mackay CE, Griffanti L, Pins D, Dujardin K, Jardri R, Taylor JP, Firbank M, McAlonan G, Mak HKF, Ho SL, Mehta MA. Mapping brain structural differences and neuroreceptor correlates in Parkinson's disease visual hallucinations. Nat Commun 2022; 13:519. [PMID: 35082285 PMCID: PMC8791961 DOI: 10.1038/s41467-022-28087-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 12/14/2021] [Indexed: 12/16/2022] Open
Abstract
Parkinson's psychosis (PDP) describes a spectrum of symptoms that may arise in Parkinson's disease (PD) including visual hallucinations (VH). Imaging studies investigating the neural correlates of PDP have been inconsistent in their findings, due to differences in study design and limitations of scale. Here we use empirical Bayes harmonisation to pool together structural imaging data from multiple research groups into a large-scale mega-analysis, allowing us to identify cortical regions and networks involved in VH and their relation to receptor binding. Differences of morphometrics analysed show a wider cortical involvement underlying VH than previously recognised, including primary visual cortex and surrounding regions, and the hippocampus, independent of its role in cognitive decline. Structural covariance analyses point to the involvement of the attentional control networks in PD-VH, while associations with receptor density maps suggest neurotransmitter loss may be linked to the cortical changes.
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Affiliation(s)
- Miriam Vignando
- Department of Neuroimaging, King's College London, Institute of Psychiatry, Psychology and Neuroscience, De Crespigny Park, London, SE5 8AF, UK.
| | - Dominic Ffytche
- Department of Old Age Psychiatry, King's College London, Institute of Psychiatry, Psychology and Neuroscience, De Crespigny Park, London, SE5 8AF, UK
| | - Simon J G Lewis
- ForeFront Parkinson's Disease Research Clinic, Brain and Mind Centre, School of Medical Sciences, University of Sydney, Camperdown, NSW, Australia
| | - Phil Hyu Lee
- Yonsei University College of Medicine, Seoul, South Korea
| | | | - Rimona S Weil
- Dementia Research Centre, University College London, 8-11 Queen Square, London, WC1M 3BG, UK
- Wellcome Centre for Neuroimaging, University College London, London, UK
| | - Michele T Hu
- Oxford Parkinson's Disease Centre, Oxford, UK
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Clare E Mackay
- Oxford Parkinson's Disease Centre, Oxford, UK
- Wellcome Centre for Integrative Neuroimaging, Oxford Centre for Human Brain Activity, Department of Psychiatry, University of Oxford, Oxford, UK
| | - Ludovica Griffanti
- Oxford Parkinson's Disease Centre, Oxford, UK
- Wellcome Centre for Integrative Neuroimaging, Oxford Centre for Human Brain Activity, Department of Psychiatry, University of Oxford, Oxford, UK
| | - Delphine Pins
- Univ. Lille, Inserm, CHU Lille, U1172 - Centre Lille Neuroscience & Cognition, 59000, Lille, France
| | - Kathy Dujardin
- Univ. Lille, Inserm, CHU Lille, U1172 - Centre Lille Neuroscience & Cognition, 59000, Lille, France
| | - Renaud Jardri
- Univ. Lille, Inserm, CHU Lille, U1172 - Centre Lille Neuroscience & Cognition, 59000, Lille, France
| | - John-Paul Taylor
- Newcastle University, Translational and Clinical Research Institute, Biomedical Research Building, Campus for Ageing and Vitality, Newcastle Upon Tyne, NE4 5PL, UK
| | - Michael Firbank
- Newcastle University, Translational and Clinical Research Institute, Biomedical Research Building, Campus for Ageing and Vitality, Newcastle Upon Tyne, NE4 5PL, UK
| | - Grainne McAlonan
- King's College London, Institute of Psychiatry, Psychology and Neuroscience, De Crespigny Park, London, SE5 8AF, UK
| | - Henry K F Mak
- Division of Neurology, Dept of Medicine, LKS Faculty of Medicine, University of Hong Kong, Hong Kong, Hong Kong
| | - Shu Leong Ho
- Division of Neurology, Dept of Medicine, LKS Faculty of Medicine, University of Hong Kong, Hong Kong, Hong Kong
| | - Mitul A Mehta
- Department of Neuroimaging, King's College London, Institute of Psychiatry, Psychology and Neuroscience, De Crespigny Park, London, SE5 8AF, UK
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9
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Abstract
Advanced Parkinson's disease (PD) often brings a set of motor and non-motor features that are particularly challenging to manage. Medication options can be limited by side-effects and quality of life can be severely affected by an accumulating burden of nonmotor symptoms. Here, we reviewed the literature and our clinical experience with the aim of providing a practical approach to the management of advanced PD. We provide guidelines for treatment of physical and neurobehavioral concerns, that occur in advanced PD.
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10
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Stang CD, Mullan AF, Camerucci E, Hajeb M, Turcano P, Martin P, Mielke MM, Josephs KA, Splett M, Abler V, Boeve BF, Bower JH, Savica R. Incidence, Prevalence, and Mortality of Psychosis Associated with Parkinson's Disease (1991-2010). JOURNAL OF PARKINSON'S DISEASE 2022; 12:1319-1327. [PMID: 35213389 PMCID: PMC9336204 DOI: 10.3233/jpd-213035] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Parkinson's disease (PD)-associated psychosis is a well-known non-motor complication, occurring years after diagnosis of PD. Incidence data vary across different studies highlighting a need for long-term observation and clinical definition. OBJECTIVE To determine the incidence of psychosis in patients with PD and to investigate their survival in an incident cohort study from 1991-2010 in Olmsted County, MN. METHODS We used the Rochester Epidemiology Project to define an incident-cohort study of parkinsonism (1991-2010) in Olmsted County, MN. A movement-disorder specialist reviewed the electronic medical records and applied diagnosis criteria to PD. Psychosis was diagnosed using of NINDS/NIMH unified criteria. RESULTS We identified 669 cases of parkinsonism; 297 patients were clinically diagnosed with PD. 114/297 (38.4%) patients had evidence of psychosis (60% male); the median onset age of psychosis was 79.4 years. The incidence of Parkinson's disease psychosis (PDP) was 4.28/100 person-years. PDP patients had a 71% increased risk of death compared to PD patients. In PD patients without psychosis, men had 73.4% increased risk of death compared to women, whereas no significant sex difference was observed among PDP men vs. women. Of 114 patients diagnosed with psychosis, 59 were treated with antipsychotics. There was no significant difference in survival between treated and untreated patients. CONCLUSION PDP increased the odds of death compared to PD patients. Men with PD without psychosis had greater odds of death compared to women; however, in PD with psychosis the odds of death were comparable among sexes. Lastly, treatment with anti-psychotics did not significantly affect survival.
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Affiliation(s)
- Cole D. Stang
- Mayo Clinic Department of Neurology, Rochester, Minnesota, USA
| | - Aidan F. Mullan
- Mayo Clinic Department of Health Sciences Research, Rochester, Minnesota, USA
| | | | - Mania Hajeb
- Mayo Clinic Department of Neurology, Rochester, Minnesota, USA
| | | | - Peter Martin
- Mayo Clinic Department of Health Sciences Research, Rochester, Minnesota, USA
| | - Michelle M. Mielke
- Mayo Clinic Department of Health Sciences Research, Rochester, Minnesota, USA
| | | | | | - Victor Abler
- ACADIA Pharmaceuticals Inc., San Diego, California, USA
| | | | - James H. Bower
- Mayo Clinic Department of Neurology, Rochester, Minnesota, USA
| | - Rodolfo Savica
- Mayo Clinic Department of Neurology, Rochester, Minnesota, USA,Mayo Clinic Department of Health Sciences Research, Rochester, Minnesota, USA,Corresponding Author: Rodolfo Savica, MD, PhD, Department of Neurology, Mayo Clinic, 200 First Street, SW, Rochester, MN 55905, (507) 284-2120/
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11
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McLaughlin J, Young T. Neurology in the psychiatric patient: how to think about differentials in altered mental status and diagnoses not to miss. BJPSYCH ADVANCES 2021. [DOI: 10.1192/bja.2021.67] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
SUMMARY
A wide variety of neurological conditions may present first to a psychiatrist and it is important to be aware of these in differential diagnosis. A careful history, examination and a broad differential diagnosis can help set up an appropriate management plan – with room to change if things change in unexpected ways. In this article we explore common ground shared by psychiatry and neurology and show how incorporation of neurological knowledge can improve the practice of psychiatry. Using four fictional case vignettes of altered mental status we explore important neurological differential diagnoses which could present to the Psychiatrist.
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12
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d'Errico A, Strippoli E, Vasta R, Ferrante G, Spila Alegiani S, Ricceri F. Use of antipsychotics and long-term risk of parkinsonism. Neurol Sci 2021; 43:2545-2553. [PMID: 34652577 PMCID: PMC8918175 DOI: 10.1007/s10072-021-05650-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 08/01/2021] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Few epidemiological studies have assessed the risk of parkinsonisms after prolonged use of neuroleptics. We aimed to examine the long-term risk of degenerative parkinsonisms (DP) associated with previous use of neuroleptics. METHODS All residents in Piedmont, Northern-west Italy, older than 39 years (2,526,319 subjects), were retrospectively followed up from 2013 to 2017. Exposure to neuroleptics was assessed through the regional archive of drug prescriptions. The development of DP was assessed using the regional archives of both drug prescriptions and hospital admissions. We excluded prevalent DP cases at baseline as well as those occurred in the first 18 months (short-term risk). The risk of DP associated with previous use of neuroleptics was examined through Cox regression, using a matched cohort design. RESULTS The risk of DP was compared between 63,356 exposed and 316,779 unexposed subjects. A more than threefold higher risk of DP was observed among subjects exposed to antipsychotics, compared to those unexposed (HR = 3.27, 95% CI 3.00-3.57), and was higher for exposure to atypical than typical antipsychotics. The risk decreased after 2 years from therapy cessation but remained significantly elevated (HR = 2.38, 95% CI 1.76-3.21). CONCLUSIONS These results indicate a high risk of developing DP long time from the start of use and from the cessation for both typical and atypical neuroleptics, suggesting the need of monitoring treated patients even after long-term use and cessation.
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Affiliation(s)
- Angelo d'Errico
- Epidemiology Unit, Piedmont Region, ASL TO3, Grugliasco, Italy
| | - Elena Strippoli
- Epidemiology Unit, Piedmont Region, ASL TO3, Grugliasco, Italy
| | - Rosario Vasta
- ALS Center, 'Rita Levi Montalcini' Department of Neuroscience, University of Turin, Via Cherasco, 15, 10126, Turin, Italy.
| | - Gianluigi Ferrante
- National Centre for Drug Research and Evaluation, National Institute of Health (ISS), Rome, Italy.,Center for Oncology Prevention Piemonte, Città della Salute e della Scienza, Turin, Italy
| | - Stefania Spila Alegiani
- National Centre for Drug Research and Evaluation, National Institute of Health (ISS), Rome, Italy
| | - Fulvio Ricceri
- Epidemiology Unit, Piedmont Region, ASL TO3, Grugliasco, Italy.,Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
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13
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Sönmez Güngör E, Durmaz O, Halilbeyoğlu B, Domaç SF. An atypical case of corticobasal syndrome with psychotic depression and delusional jealousy. Neurocase 2021; 27:425-429. [PMID: 34587867 DOI: 10.1080/13554794.2021.1984539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Corticobasal syndrome (CBS) is one of the Parkinson-plus disorders. While initially defined as a movement disorder rather than cognition, it is now known that CBS is related to various psychiatric symptoms. We describe a patient clinically diagnosed with CBS whose initial presentation was psychiatric and rather atypical. His clinical picture included psychotic depression and delusional jealousy. Misdiagnosing these syndromes may delay the initiation of the treatment and worsen the patients' condition, as well as increase the burden of the caretakers. Finally, COVID-19-related changes in the organization of health services complicated the diagnosis and follow-up processes of this patient.
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Affiliation(s)
- Ekin Sönmez Güngör
- Department of Psychiatry, University of Health Sciences Erenköy Mental Health and Neurological Diseases Training and Research Hospital, Istanbul, Turkey
| | - Onur Durmaz
- Department of Psychiatry, University of Health Sciences Erenköy Mental Health and Neurological Diseases Training and Research Hospital, Istanbul, Turkey
| | - Berk Halilbeyoğlu
- Department of Neurology, University of Health Sciences Erenköy Mental Health and Neurological Diseases Training and Research Hospital, Istanbul, Turkey
| | - Saime Füsun Domaç
- Department of Neurology, University of Health Sciences Erenköy Mental Health and Neurological Diseases Training and Research Hospital, Istanbul, Turkey
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14
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Murakami H, Shiraishi T, Umehara T, Omoto S, Takahashi M, Motegi H, Maku T, Sato T, Takatsu H, Komatsu T, Bono K, Sakai K, Mitsumura H, Iguchi Y. Face pareidolia is associated with right striatal dysfunction in drug-naïve patients with Parkinson's disease. Neurol Sci 2021; 42:5327-5334. [PMID: 33884529 DOI: 10.1007/s10072-021-05238-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 04/07/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND AND AIM Some patients with Parkinson's disease (PD) present with pareidolia, an illusion of a meaningless stimulus as a familiar object known to the observer. Since the striatum is associated with processing of visual information, we investigated correlations of pareidolia with motor symptoms and striatal dopaminergic function. METHOD A noise pareidolia test, assessment of motor symptoms using MDS-UPDRS and 123I-Ioflupane SPECT were performed in 58 drug-naïve PD patients. A number of images in which a participant noticed an illusory face (number of illusory responses) were compared with motor assessment scores and uptake of 123I-ioflupane in the striatum. RESULTS Of the 58 participants, 22 had at least one illusory response. Mean scores for MDS-UPDRS part III (p<0.05), rigidity (p<0.05), and rigidity on the left side of the body (p<0.01) in patients with pareidolia were significantly higher than those in patients without pareidolia. Uptake of 123I-ioflupane in the right caudate nucleus (p<0.05), anterior putamen (p<0.01), and posterior putamen (p<0.01) in patients with pareidolia was significantly lower than in patients without pareidolia. In the 22 patients with pareidolia, the number of illusory responses was significantly correlated with total scores for MDS-UPDRS part III (r=0.443, p<0.05) and subscores for bradykinesia (r=0.440, p<0.05) and bradykinesia on the left side of the body (r=0.564, p<0.01). The prevalence of pareidolia in left-dominant parkinsonism (16/30 patients) was higher than that in right-dominant parkinsonism (6/28 patients) (p<0.05 by chi-square test). CONCLUSION Pareidolia in PD patients is associated with dysfunction in the right striatum.
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Affiliation(s)
- Hidetomo Murakami
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan.
| | - Tomotaka Shiraishi
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Tadashi Umehara
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Shusaku Omoto
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Maki Takahashi
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Haruhiko Motegi
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Takahiro Maku
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Takeo Sato
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Hiroki Takatsu
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Teppei Komatsu
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Keiko Bono
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Kenichiro Sakai
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Hidetaka Mitsumura
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
| | - Yasuyuki Iguchi
- Department of Neurology, The Jikei University School of Medicine, 3-25-8 Nishi-shimbashi, Minato-ku, Tokyo, 108-8461, Japan
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15
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Abo Hamza EG, Kéri S, Csigó K, Bedewy D, Moustafa AA. Pareidolia in Schizophrenia and Bipolar Disorder. Front Psychiatry 2021; 12:746734. [PMID: 34955913 PMCID: PMC8702957 DOI: 10.3389/fpsyt.2021.746734] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Accepted: 11/12/2021] [Indexed: 11/13/2022] Open
Abstract
While there are many studies on pareidolia in healthy individuals and patients with schizophrenia, to our knowledge, there are no prior studies on pareidolia in patients with bipolar disorder. Accordingly, in this study, we, for the first time, measured pareidolia in patients with bipolar disorder (N = 50), and compared that to patients with schizophrenia (N = 50) and healthy controls (N = 50). We have used (a) the scene test, which consists of 10 blurred images of natural scenes that was previously found to produce illusory face responses and (b) the noise test which had 32 black and white images consisting of visual noise and 8 images depicting human faces; participants indicated whether a face was present on these images and to point to the location where they saw the face. Illusory responses were defined as answers when observers falsely identified objects that were not on the images in the scene task (maximum illusory score: 10), and the number of noise images in which they reported the presence of a face (maximum illusory score: 32). Further, we also calculated the total pareidolia score for each task (the sum number of images with illusory responses in the scene and noise tests). The responses were scored by two independent raters with an excellent congruence (kappa > 0.9). Our results show that schizophrenia patients scored higher on pareidolia measures than both healthy controls and patients with bipolar disorder. Our findings are agreement with prior findings on more impaired cognitive processes in schizophrenia than in bipolar patients.
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Affiliation(s)
- Eid G Abo Hamza
- Psychology Department, College of Humanities and Sciences, Ajman University, Ajman, United Arab Emirates.,College of Education, Tanta University, Tanta, Egypt
| | - Szabolcs Kéri
- National Institute of Psychiatry and Addictions, Budapest, Hungary.,Department of Cognitive Science, Budapest University of Technology and Economics, Budapest, Hungary.,Department of Physiology, University of Szeged, Szeged, Hungary
| | - Katalin Csigó
- National Institute of Psychiatry and Addictions, Budapest, Hungary
| | - Dalia Bedewy
- Psychology Department, College of Humanities and Sciences, Ajman University, Ajman, United Arab Emirates.,College of Education, Tanta University, Tanta, Egypt
| | - Ahmed A Moustafa
- Department of Human Anatomy and Physiology, the Faculty of Health Sciences, University of Johannesburg, Johannesburg, South Africa.,School of Psychology & Marcs Institute for Brain and Behaviour, Western Sydney University, Sydney, NSW, Australia
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16
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Bhoopatiraju S, Grossberg G. Emerging Perspectives in the Diagnosis and Management of Depression and Psychosis in Parkinson's Disease. Neurology 2021. [DOI: 10.17925/usn.2021.17.2.97] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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17
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Neuropsychiatric aspects of Parkinson disease psychopharmacology: Insights from circuit dynamics. HANDBOOK OF CLINICAL NEUROLOGY 2020; 165:83-121. [PMID: 31727232 DOI: 10.1016/b978-0-444-64012-3.00007-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Parkinson disease (PD) is a neurodegenerative disorder with a complex pathophysiology characterized by the progressive loss of dopaminergic neurons within the substantia nigra. Persons with PD experience several motoric and neuropsychiatric symptoms. Neuropsychiatric features of PD include depression, anxiety, psychosis, impulse control disorders, and apathy. In this chapter, we will utilize the National Institutes of Mental Health Research Domain Criteria (RDoC) to frame and integrate observations from two prevailing disease constructions: neurotransmitter anomalies and circuit physiology. When there is available evidence, we posit how unified translational observations may have clinical relevance and postulate importance outside of PD. Finally, we review the limited evidence available for pharmacologic management of these symptoms.
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18
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Titze-de-Almeida SS, Soto-Sánchez C, Fernandez E, Koprich JB, Brotchie JM, Titze-de-Almeida R. The Promise and Challenges of Developing miRNA-Based Therapeutics for Parkinson's Disease. Cells 2020; 9:cells9040841. [PMID: 32244357 PMCID: PMC7226753 DOI: 10.3390/cells9040841] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/16/2020] [Accepted: 03/18/2020] [Indexed: 02/07/2023] Open
Abstract
MicroRNAs (miRNAs) are small double-stranded RNAs that exert a fine-tuning sequence-specific regulation of cell transcriptome. While one unique miRNA regulates hundreds of mRNAs, each mRNA molecule is commonly regulated by various miRNAs that bind to complementary sequences at 3’-untranslated regions for triggering the mechanism of RNA interference. Unfortunately, dysregulated miRNAs play critical roles in many disorders, including Parkinson’s disease (PD), the second most prevalent neurodegenerative disease in the world. Treatment of this slowly, progressive, and yet incurable pathology challenges neurologists. In addition to L-DOPA that restores dopaminergic transmission and ameliorate motor signs (i.e., bradykinesia, rigidity, tremors), patients commonly receive medication for mood disorders and autonomic dysfunctions. However, the effectiveness of L-DOPA declines over time, and the L-DOPA-induced dyskinesias commonly appear and become highly disabling. The discovery of more effective therapies capable of slowing disease progression –a neuroprotective agent–remains a critical need in PD. The present review focus on miRNAs as promising drug targets for PD, examining their role in underlying mechanisms of the disease, the strategies for controlling aberrant expressions, and, finally, the current technologies for translating these small molecules from bench to clinics.
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Affiliation(s)
- Simoneide S. Titze-de-Almeida
- Technology for Gene Therapy Laboratory, Central Institute of Sciences, FAV, University of Brasilia, Brasília 70910-900, Brazil;
| | - Cristina Soto-Sánchez
- Neuroprosthetics and Visual Rehabilitation Research Unit, Bioengineering Institute, Miguel Hernández University, 03202 Alicante, Spain; (C.S.-S.); (E.F.)
| | - Eduardo Fernandez
- Neuroprosthetics and Visual Rehabilitation Research Unit, Bioengineering Institute, Miguel Hernández University, 03202 Alicante, Spain; (C.S.-S.); (E.F.)
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine—CIBER-BBN, 28029 Madrid, Spain
| | - James B. Koprich
- Krembil Neuroscience Centre, Toronto Western Hospital, University Health Network, Toronto, Ontario M5T 2S8, Canada; (J.B.K.); (J.M.B.)
| | - Jonathan M. Brotchie
- Krembil Neuroscience Centre, Toronto Western Hospital, University Health Network, Toronto, Ontario M5T 2S8, Canada; (J.B.K.); (J.M.B.)
| | - Ricardo Titze-de-Almeida
- Technology for Gene Therapy Laboratory, Central Institute of Sciences, FAV, University of Brasilia, Brasília 70910-900, Brazil;
- Correspondence: ; Tel.: +55-61-3107-7222
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19
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Dujardin K, Sgambato V. Neuropsychiatric Disorders in Parkinson's Disease: What Do We Know About the Role of Dopaminergic and Non-dopaminergic Systems? Front Neurosci 2020; 14:25. [PMID: 32063833 PMCID: PMC7000525 DOI: 10.3389/fnins.2020.00025] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 01/10/2020] [Indexed: 12/13/2022] Open
Abstract
Besides the hallmark motor symptoms (rest tremor, hypokinesia, rigidity, and postural instability), patients with Parkinson’s disease (PD) have non-motor symptoms, namely neuropsychiatric disorders. They are frequent and may influence the other symptoms of the disease. They have also a negative impact on the quality of life of patients and their caregivers. In this article, we will describe the clinical manifestations of the main PD-related behavioral disorders (depression, anxiety disorders, apathy, psychosis, and impulse control disorders). We will also provide an overview of the clinical and preclinical literature regarding the underlying mechanisms with a focus on the role of the dopaminergic and non-dopaminergic systems.
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Affiliation(s)
- Kathy Dujardin
- Inserm U1171 Degenerative and Vascular Cognitive Disorders, Lille University Medical Center, Lille, France
| | - Véronique Sgambato
- CNRS, Institut des Sciences Cognitives Marc Jeannerod, UMR 5229, Lyon University, Bron, France
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20
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Dujardin K, Roman D, Baille G, Pins D, Lefebvre S, Delmaire C, Defebvre L, Jardri R. What can we learn from fMRI capture of visual hallucinations in Parkinson’s disease? Brain Imaging Behav 2019; 14:329-335. [DOI: 10.1007/s11682-019-00185-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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21
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Neuropsychiatric aspects of Parkinson’s disease. J Neural Transm (Vienna) 2019; 126:889-896. [DOI: 10.1007/s00702-019-02019-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 05/22/2019] [Indexed: 12/12/2022]
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22
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Pimavanserin for Psychotic Symptoms in People With Parkinsonism: A Second Chart Review. Clin Neuropharmacol 2018; 41:156-159. [DOI: 10.1097/wnf.0000000000000296] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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