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Mackie PM, Koshy J, Bhogade M, Hammoor T, Hachmeister W, Lloyd GM, Paterno G, Bolen M, Tansey MG, Giasson BI, Khoshbouei H. Complement C1q-dependent engulfment of alpha-synuclein induces ENS-resident macrophage exhaustion and accelerates Parkinson's-like gut pathology. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.24.563832. [PMID: 37961460 PMCID: PMC10634831 DOI: 10.1101/2023.10.24.563832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Deposition of misfolded α-synuclein (αsyn) in the enteric nervous system (ENS) is found in multiple neurodegenerative diseases. It is hypothesized that ENS synucleinopathy contributes to both the pathogenesis and non-motor morbidity in Parkinson's Disease (PD), but the cellular and molecular mechanisms that shape enteric histopathology and dysfunction are poorly understood. Here, we demonstrate that ENS-resident macrophages, which play a critical role in maintaining ENS homeostasis, initially respond to enteric neuronal αsyn pathology by upregulating machinery for complement-mediated engulfment. Pharmacologic depletion of ENS-macrophages or genetic deletion of C1q enhanced enteric neuropathology. Conversely, C1q deletion ameliorated gut dysfunction, indicating that complement partially mediates αsyn-induced gut dysfunction. Internalization of αsyn led to increased endo-lysosomal stress that resulted in macrophage exhaustion and temporally correlated with the progression of ENS pathology. These novel findings highlight the importance of enteric neuron-macrophage interactions in removing toxic protein aggregates that putatively shape the earliest stages of PD in the periphery.
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Affiliation(s)
- P M Mackie
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
| | - J Koshy
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
| | - M Bhogade
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
| | - T Hammoor
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
| | - W Hachmeister
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
| | - G M Lloyd
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
- Center for Translational Research in Neurodegenerative Disease, University of Florida College of Medicine. Gainesville, FL, 32610
| | - G Paterno
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
- Center for Translational Research in Neurodegenerative Disease, University of Florida College of Medicine. Gainesville, FL, 32610
| | - M Bolen
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
- Center for Translational Research in Neurodegenerative Disease, University of Florida College of Medicine. Gainesville, FL, 32610
| | - M G Tansey
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
- Center for Translational Research in Neurodegenerative Disease, University of Florida College of Medicine. Gainesville, FL, 32610
- Department of Neurology and Fixel Institute for Neurological Diseases, University of Florida Health, Gainesville, Florida, 32610
| | - B I Giasson
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
- Center for Translational Research in Neurodegenerative Disease, University of Florida College of Medicine. Gainesville, FL, 32610
| | - H Khoshbouei
- Department of Neuroscience, University of Florida College of Medicine. Gainesville, FL, 32610
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Menezes-Rodrigues FS, de Oliveira MP, Araújo EA, Ferraz HB, Finsterer J, Olszewer E, Taha MO, Scorza CA, Caricati-Neto A, Scorza FA. Role of cardiac β 1-adrenergic and A 1-adenosine receptors in severe arrhythmias related to Parkinson's disease. Clinics (Sao Paulo) 2023; 78:100243. [PMID: 37459671 PMCID: PMC10757299 DOI: 10.1016/j.clinsp.2023.100243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 06/02/2023] [Accepted: 06/19/2023] [Indexed: 07/27/2023] Open
Abstract
AIMS Although reduced life expectancy in Parkinson's Disease (PD) patients has been related to severe cardiac arrhythmias due to autonomic dysfunctions, its molecular mechanisms remain unclear. To investigate the role of cardiac β1-Adrenergic (β1AR) and A1-Adenosine (A1R) receptors in these dysfunctions, the pharmacological effects of stimulation of cardiac β1AR (isoproterenol, ISO), in the absence and presence of cardiac β1AR (atenolol, AT) or A1R (1,3-dipropyl-8-cyclopentyl xanthine, DPCPX) blockade, on the arrhythmias induced by Ischemia/Reperfusion (CIR) in an animal PD model were studied. METHODS PD was produced by dopaminergic lesions (confirmed by immunohistochemistry analysis) caused by the injection of 6-hydroxydopamine (6-OHDA, 6 μg) in rat striatum. CIR was produced by a surgical interruption for 10 min followed by reestablishment of blood circulation in the descendent left coronary artery. On the incidence of CIR-Induced Ventricular Arrhythmias (VA), Atrioventricular Block (AVB), and Lethality (LET), evaluated by Electrocardiogram (ECG) analysis, the effects of intravenous treatment with ISO, AT and DPCPX (before CIR) were studied. RESULTS VA, AVB and LET incidences were significantly higher in 6-OHDA (83%, 92%, 100%, respectively) than in control rats (58%, 67% and 67%, respectively). ISO treatment significantly reduced these incidences in 6-OHDA (33%, 33% and 42%, respectively) and control rats (25%, 25%, 33%, respectively), indicating that stimulation of cardiac β1AR induced cardioprotection. This response was prevented by pretreatment with AT and DPCPX, confirming the involvement of cardiac β1AR and A1R. CONCLUSION Pharmacological modulation of cardiac β1AR and A1R could be a potential therapeutic strategy to reduce severe arrhythmias and increase life expectancy in PD patients.
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Affiliation(s)
- Francisco Sandro Menezes-Rodrigues
- Laboratory of Autonomic and Cardiovascular Pharmacology, Department of Pharmacology, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil; Neuroscience Discipline, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil; PostGraduate Program in Cardiology, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Marcelo Pires de Oliveira
- School of Medicine, Centro Universitário UNIFAS, União Metropolitana para a Educação e Cultura, Lauro de Freitas, BA, Brazil
| | - Erisvaldo Amarante Araújo
- Laboratory of Autonomic and Cardiovascular Pharmacology, Department of Pharmacology, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Henrique Ballalai Ferraz
- Neuroscience Discipline, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | | | - Efrain Olszewer
- Fundação de Apoio à Pesquisa e Estudo na Área de Saúde (FAPES), São Paulo, SP, Brazil
| | - Murched Omar Taha
- Department of Surgery, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Carla Alessandra Scorza
- Neuroscience Discipline, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Afonso Caricati-Neto
- Laboratory of Autonomic and Cardiovascular Pharmacology, Department of Pharmacology, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil.
| | - Fúlvio Alexandre Scorza
- Neuroscience Discipline, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
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Yan Y, Shimoga D, Sharma A. Parkinson's Disease and Diabetes Mellitus: Synergistic Effects on Pathophysiology and GI Motility. Curr Gastroenterol Rep 2023; 25:106-113. [PMID: 37067721 DOI: 10.1007/s11894-023-00868-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/14/2023] [Indexed: 04/18/2023]
Abstract
PURPOSE OF REVIEW Parkinson's disease and diabetes affect an increasing proportion of the aging global population. Both conditions extensively affect gastrointestinal (GI) motility with similar and differing clinical symptoms. Nonetheless, GI symptoms in Parkinson's disease and diabetes pose significant morbidity and impairment of quality of life. Their pathophysiology is poorly understood, and therefore, effective treatment options are lacking. RECENT FINDINGS Parkinson's disease patients have oropharyngeal dysphagia and constipation. They also have mild or absent upper GI symptoms associated with delayed gastric emptying, which is prevalent in 70% of patients. Delayed gastric emptying in Parkinson's disease leads to erratic medication absorption and fluctuating motor symptoms. Half of diabetics have upper GI symptoms, which correlate to gastric emptying and changes in brain activity of the insular cortex. The majority of diabetics also have constipation. Diabetics have an increased risk for developing Parkinson's disease and anti-diabetic medications are associated with risk reduction of developing Parkinson's disease. Hyperglycemia is associated with advanced glycated end products formation and acceleration of α-synuclein aggregation. GLP-1 receptor agonists have also demonstrated efficacy in improving motor symptoms and cognition in Parkinson's disease patients with diabetes. Parkinson's disease and diabetes are pan-enteric disorders with significant GI symptoms and impairment of gut motility. Both conditions have synergistic pathophysiologies that propagate neurodegenerative changes. Treatment options for GI symptoms in diabetic and Parkinson's disease patients are lacking. Anti-diabetic treatment improves motor symptoms in Parkinson's disease, however, its effect on GI symptoms is unclear.
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Affiliation(s)
- Yun Yan
- Division of Gastroenterology and Hepatology, Department of Medicine, Medical College of Georgia, Augusta University, 1120 15th Street, AD 2226, Augusta, GA, 30912, USA
| | - Dhanush Shimoga
- Division of Gastroenterology and Hepatology, Department of Medicine, Medical College of Georgia, Augusta University, 1120 15th Street, AD 2226, Augusta, GA, 30912, USA
| | - Amol Sharma
- Division of Gastroenterology and Hepatology, Department of Medicine, Medical College of Georgia, Augusta University, 1120 15th Street, AD 2226, Augusta, GA, 30912, USA.
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Santos-García D, de Deus Fonticoba T, Cores Bartolomé C, Feal Painceiras MJ, Íñiguez-Alvarado MC, Jesús S, Buongiorno MT, Planellas L, Cosgaya M, García Caldentey J, Caballol N, Legarda I, Hernández Vara J, Cabo I, López Manzanares L, González Aramburu I, Ávila Rivera MA, Gómez Mayordomo V, Nogueira V, Puente V, Dotor García-Soto J, Borrué C, Solano Vila B, Álvarez Sauco M, Vela L, Escalante S, Cubo E, Carrillo Padilla F, Martínez Castrillo JC, Sánchez Alonso P, Alonso Losada MG, López Ariztegui N, Gastón I, Kulisevsky J, Blázquez Estrada M, Seijo M, Rúiz Martínez J, Valero C, Kurtis M, de Fábregues O, González Ardura J, Alonso Redondo R, Ordás C, López Díaz LML, McAfee D, Martinez-Martin P, Mir P, COPPADIS SG. Prevalence and Factors Associated with Drooling in Parkinson’s Disease: Results from a Longitudinal Prospective Cohort and Comparison with a Control Group. PARKINSON'S DISEASE 2023; 2023:3104425. [PMID: 37065970 PMCID: PMC10101739 DOI: 10.1155/2023/3104425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/08/2022] [Accepted: 12/20/2022] [Indexed: 04/09/2023]
Abstract
Introduction. Drooling in Parkinson’s disease (PD) is frequent but often goes underrecognized. Our aim was to examine the prevalence of drooling in a PD cohort and compare it with a control group. Specifically, we identified factors associated with drooling and conducted subanalyses in a subgroup of very early PD patients. Patients and Methods. PD patients who were recruited from January 2016 to November 2017 (baseline visit; V0) and evaluated again at a 2-year ± 30-day follow-up (V2) from 35 centers in Spain from the COPPADIS cohort were included in this longitudinal prospective study. Subjects were classified as with or without drooling according to item 19 of the NMSS (Nonmotor Symptoms Scale) at V0, V1 (1-year ± 15 days), and V2 for patients and at V0 and V2 for controls. Results. The frequency of drooling in PD patients was 40.1% (277/691) at V0 (2.4% (5/201) in controls;
< 0.0001), 43.7% (264/604) at V1, and 48.2% (242/502) at V2 (3.2% (4/124) in controls;
< 0.0001), with a period prevalence of 63.6% (306/481). Being older (OR = 1.032;
= 0.012), being male (OR = 2.333;
< 0.0001), having greater nonmotor symptom (NMS) burden at the baseline (NMSS total score at V0; OR = 1.020;
< 0.0001), and having a greater increase in the NMS burden from V0 to V2 (change in the NMSS total score from V0 to V2; OR = 1.012;
< 0.0001) were identified as independent predictors of drooling after the 2-year follow-up. Similar results were observed in the group of patients with ≤2 years since symptom onset, with a cumulative prevalence of 64.6% and a higher score on the UPDRS-III at V0 (OR = 1.121;
= 0.007) as a predictor of drooling at V2. Conclusion. Drooling is frequent in PD patients even at the initial onset of the disease and is associated with a greater motor severity and NMS burden.
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Affiliation(s)
| | | | | | | | | | - Silvia Jesús
- Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío, CSIC, Universidad de Sevilla, Seville, Spain
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Madrid, Spain
| | | | | | | | | | - Nuria Caballol
- Consorci Sanitari Integral, Hospital Moisés Broggi, Sant Joan Despí, Barcelona, Spain
| | - Ines Legarda
- Hospital Universitario Son Espases, Palma de Mallorca, Spain
| | - Jorge Hernández Vara
- Hospital Universitario Vall d’Hebron, Barcelona, Spain
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Madrid, Spain
| | - Iria Cabo
- Complejo Hospitalario Universitario de Pontevedra (CHOP), Pontevedra, Spain
| | | | - Isabel González Aramburu
- Hospital Universitario Marqués de Valdecilla, Santander, Spain
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Madrid, Spain
| | - Maria A. Ávila Rivera
- Consorci Sanitari Integral, Hospital General de L´Hospitalet, L´Hospitalet de Llobregat, Barcelona, Spain
| | | | | | | | | | | | - Berta Solano Vila
- Institut d’Assistència Sanitària (IAS), Institut Català de La Salut, Girona, Spain
| | | | - Lydia Vela
- Fundación Hospital de Alcorcón, Madrid, Spain
| | - Sonia Escalante
- Hospital de Tortosa Verge de La Cinta (HTVC), Tortosa, Tarragona, Spain
| | - Esther Cubo
- Complejo Asistencial Universitario de Burgos, Burgos, Spain
| | | | | | | | - Maria G. Alonso Losada
- Hospital Álvaro Cunqueiro, Complejo Hospitalario Universitario de Vigo (CHUVI), Vigo, Spain
| | | | | | - Jaime Kulisevsky
- Hospital de Sant Pau, Barcelona, Spain
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Madrid, Spain
| | | | - Manuel Seijo
- Complejo Hospitalario Universitario de Pontevedra (CHOP), Pontevedra, Spain
| | | | | | | | | | | | | | | | | | - Darrian McAfee
- University of Maryland School of Medicine, Baltimore, MD, USA
| | - Pablo Martinez-Martin
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Madrid, Spain
| | - Pablo Mir
- Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío, CSIC, Universidad de Sevilla, Seville, Spain
- CIBERNED (Centro de Investigación Biomédica en Red Enfermedades Neurodegenerativas), Madrid, Spain
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Skidmore S, Barker RA. Challenges in the clinical advancement of cell therapies for Parkinson's disease. Nat Biomed Eng 2023; 7:370-386. [PMID: 36635420 PMCID: PMC7615223 DOI: 10.1038/s41551-022-00987-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 11/04/2022] [Indexed: 01/14/2023]
Abstract
Cell therapies as potential treatments for Parkinson's disease first gained traction in the 1980s, owing to the clinical success of trials that used transplants of foetal midbrain dopaminergic tissue. However, the poor standardization of the tissue for grafting, and constraints on its availability and ethical use, have hindered this treatment strategy. Recent advances in stem-cell technologies and in the understanding of the development of dopaminergic neurons have enabled preclinical advancements of promising stem-cell therapies. To move these therapies to the clinic, appropriate levels of safety screening, as well as optimization of the cell products and the scalability of their manufacturing, will be required. In this Review, we discuss how challenges pertaining to cell sources, functional and safety testing, manufacturing and storage, and clinical-trial design are being addressed to advance the translational and clinical development of cell therapies for Parkinson's disease.
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Affiliation(s)
- Sophie Skidmore
- Wellcome and MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre Cambridge Biomedical Campus, Cambridge, UK
| | - Roger A Barker
- Wellcome and MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre Cambridge Biomedical Campus, Cambridge, UK.
- John van Geest Centre for Brain Repair, Department of Clinical Neuroscience, For vie Site, Cambridge, UK.
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Verhoeff MC, Koutris M, Vries RD, Berendse HW, Dijk KDV, Lobbezoo F. Salivation in Parkinson's disease: A scoping review. Gerodontology 2023; 40:26-38. [PMID: 35246869 DOI: 10.1111/ger.12628] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 11/30/2022]
Abstract
OBJECTIVES We aimed to provide an overview of the available literature that includes both objective assessments (namely hypersalivation and hyposalivation) and the subjective experience (namely xerostomia and drooling) of salivary problems in patients with Parkinson's disease. BACKGROUND In patients with Parkinson's disease, there may be complaints of salivary problems such as xerostomia or drooling. This can have consequences for their oral health and quality of life. To date, systematic reviews have focused on drooling only. MATERIALS AND METHODS A literature search in 4 databases was performed up to 12 February 2021. Two researchers independently assessed studies for eligibility. RESULTS In total, 63 studies were included. The prevalence of self-reported xerostomia ranged from 49% to 77%, and that of self-reported drooling ranged from 5% to 80%. Ten articles reported a significantly lower mean salivary flow in patients with Parkinson's disease than in controls. None of the articles with both a control group and a patient group reported a significantly higher salivary flow in patients with Parkinson's disease. When questioned about subjective salivary problems, a significantly higher prevalence of both xerostomia (7 studies) and drooling (14 studies) was found in patients with Parkinson's disease than in controls. Patients with Parkinson's disease have a lower salivary flow rate and higher prevalence of both xerostomia and drooling than controls. CONCLUSION The complexity of salivary problems present in patients with Parkinson's disease necessitates a multidisciplinary approach in order to avoid mutually counteracting treatments from different healthcare professionals.
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Affiliation(s)
- Merel C Verhoeff
- Department of Orofacial Pain and Dysfunction, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Michail Koutris
- Department of Orofacial Pain and Dysfunction, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Ralph de Vries
- Medical Library, Vrije Universiteit, Amsterdam, Amsterdam, The Netherlands
| | - Henk W Berendse
- Amsterdam University Medical Centres (Amsterdam UMC), Neurology, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Karin D van Dijk
- Amsterdam University Medical Centres (Amsterdam UMC), Neurology, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Sleep Wake Centre, Stichting Epilepsie Instellingen Nederland (SEIN), Heemstede, The Netherlands
| | - Frank Lobbezoo
- Department of Orofacial Pain and Dysfunction, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
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Motor and non-motor features in Parkinson's Disease patients carrying GBA gene mutations. Acta Neurol Belg 2023; 123:221-226. [PMID: 36609835 DOI: 10.1007/s13760-022-02165-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 12/11/2022] [Indexed: 01/09/2023]
Abstract
BACKGROUND Mutations of the Glucocerebrosidase (GBA) gene are the most common genetic risk factor yet discovered for Parkinson's Disease (PD), being found in about 5-14% of Caucasian patients. OBJECTIVE We aimed to assess motor and non-motor symptoms (NMS) in patients with GBA-related PD (GBA-PD) in comparison with idiopathic PD (iPD) subjects using standardized and validated scales. METHODS Eleven (4 M, 7 F) patients with GBA-PD and 22 iPD patients, selected from the same cohort and matched for gender, age, and disease duration, were enrolled. The disease severity was assessed by Unified Parkinson's Disease Rating Scale-section III, gait disorder and falls by Freezing of Gait Questionnaire, and motor fluctuations by Wearing off questionnaire. NMS were evaluated using the following scales: Mini-Mental State Examination and extended neuropsychological battery, if required, Non-Motor Symptoms Scale, SCOPA-AUT Questionnaire, Apathy Evaluation Scale, Beck Depression Inventory, Epworth Sleepiness Scale, Restless Legs Syndrome Rating Scale, REM Sleep Behavior Disorder Screening Questionnaire, and Questionnaire for Impulsive-Compulsive Disorders in Parkinson's disease. RESULTS GBA-PD patients showed a more severe and rapidly progressive disease, and more frequent positive family history for PD, akinetic-rigid phenotype, postural instability, dementia, and psychosis in comparison to iPD. Two of three subjects carrying L444P mutation presented with early dementia. We also found a higher occurrence of fatigue, diurnal sleepiness, and intolerance to heat/cold in the carriers group. CONCLUSIONS Our results confirm that NMS and a more severe and faster disease course more frequently occur among GBA-PD patients in comparison to iPD.
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Younger DS. Autonomic failure: Clinicopathologic, physiologic, and genetic aspects. HANDBOOK OF CLINICAL NEUROLOGY 2023; 195:55-102. [PMID: 37562886 DOI: 10.1016/b978-0-323-98818-6.00020-0] [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: 08/12/2023]
Abstract
Over the past century, generations of neuroscientists, pathologists, and clinicians have elucidated the underlying causes of autonomic failure found in neurodegenerative, inherited, and antibody-mediated autoimmune disorders, each with pathognomonic clinicopathologic features. Autonomic failure affects central autonomic nervous system components in the α-synucleinopathy, multiple system atrophy, characterized clinically by levodopa-unresponsive parkinsonism or cerebellar ataxia, and pathologically by argyrophilic glial cytoplasmic inclusions (GCIs). Two other central neurodegenerative disorders, pure autonomic failure characterized clinically by deficits in norepinephrine synthesis and release from peripheral sympathetic nerve terminals; and Parkinson's disease, with early and widespread autonomic deficits independent of the loss of striatal dopamine terminals, both express Lewy pathology. The rare congenital disorder, hereditary sensory, and autonomic neuropathy type III (or Riley-Day, familial dysautonomia) causes life-threatening autonomic failure due to a genetic mutation that results in loss of functioning baroreceptors, effectively separating afferent mechanosensing neurons from the brain. Autoimmune autonomic ganglionopathy caused by autoantibodies targeting ganglionic α3-acetylcholine receptors instead presents with subacute isolated autonomic failure affecting sympathetic, parasympathetic, and enteric nervous system function in various combinations. This chapter is an overview of these major autonomic disorders with an emphasis on their historical background, neuropathological features, etiopathogenesis, diagnosis, and treatment.
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Affiliation(s)
- David S Younger
- Department of Clinical Medicine and Neuroscience, CUNY School of Medicine, New York, NY, United States; Department of Medicine, Section of Internal Medicine and Neurology, White Plains Hospital, White Plains, NY, United States.
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Salim S, Ahmad F, Banu A, Mohammad F. Gut microbiome and Parkinson's disease: Perspective on pathogenesis and treatment. J Adv Res 2022:S2090-1232(22)00242-9. [PMID: 36332796 PMCID: PMC10403695 DOI: 10.1016/j.jare.2022.10.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/26/2022] [Accepted: 10/26/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Parkinson's disease (PD) is a disease of ⍺-synuclein aggregation-mediated dopaminergic neuronal loss in the substantia nigra pars compacta, which leads to motor and non-motor symptoms. Through the last two decades of research, there has been growing consensus that inflammation-mediated oxidative stress, mitochondrial dysfunction, and cytokine-induced toxicity are mainly involved in neuronal damage and loss associated with PD. However, it remains unclear how these mechanisms relate to sporadic PD, a more common form of PD. Both enteric and central nervous systems have been implicated in the pathogenesis of sporadic PD, thus highlighting the crosstalk between the gut and brain. AIM of Review: In this review, we summarize how alterations in the gut microbiome can affect PD pathogenesis. We highlight various mechanisms increasing/decreasing the risk of PD development. Based on the previous supporting evidence, we suggest how early interventions could protect against PD development and how controlling specific factors, including our diet, could modify our perspective on disease mechanisms and therapeutics. We explain the strong relationship between the gut microbiota and the brain in PD subjects, by delineating the multiple mechanisms involved inneuroinflammation and oxidative stress. We conclude that the neurodetrimental effects of western diet (WD) and the neuroprotective effects of Mediterranean diets should be further exploredin humans through clinical trials. Key Scientific Concepts of Review: Alterations in the gut microbiome and associated metabolites may contribute to pathogenesis in PD. In some studies, probiotics have been shown to exert anti-oxidative effects in PD via improved mitochondrial dynamics and homeostasis, thus reducing PD-related consequences. However, there is a significant unmet need for randomized clinical trials to investigate the effectiveness of microbial products, probiotic-based supplementation, and dietary intervention in reversing gut microbial dysbiosis in PD.
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Gong S, Gao Y, Liu J, Li J, Tang X, Ran Q, Tang R, Liao C. The prevalence and associated factors of dysphagia in Parkinson's disease: A systematic review and meta-analysis. Front Neurol 2022; 13:1000527. [PMID: 36277913 PMCID: PMC9582284 DOI: 10.3389/fneur.2022.1000527] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 09/21/2022] [Indexed: 11/13/2022] Open
Abstract
Background The prevalence and associated factors of dysphagia in Parkinson's disease (PD) are different in studies conducted in different countries. The purpose of our systematic review and meta-analysis was to evaluate the prevalence of dysphagia in PD and to clarify its associated factors. Methods Two researchers systematically searched PubMed, Embase, Web of Science, Cochrane Library, CNKI, Wanfang Database, SinoMed and VIP databases and manually searched references in the retrieved articles to identify potential research subjects. The last search was conducted on June 28, 2022. Finally, a total of 58 studies including 60 observations with 20,530 PD patients were included in our meta-analysis. Results The meta-analysis estimated that the pooled prevalence rate of dysphagia in PD was 36.9% (95% CI: 30.7–43.6%) and instrumental examination showed a higher prevalence (57.3%, 95% CI: 44.3–69.1%). Oceania showed the highest prevalence of dysphagia in PD (56.3%) compared to Africa (39.5%), Asia (38.6%), Europe (36.1%) and America (28.9%). Dysphagia in PD was associated with older age, lower body mass index, longer disease duration, higher Hoehn and Yahr stage and levodopa equivalent daily dose, PIGD subtype, severe motor symptoms, drooling and higher levels of depression, and lower quality of life. Conclusions In conclusion, our meta-analysis showed that dysphagia occurs in more than one-third of PD patients and was associated with several demographic characteristics and PD-related characteristics, motor symptoms, non-motor symptoms, as well as decreased quality of life. It deserves early screening, diagnosis, and treatment in clinical practice to prevent serious complications from dysphagia.
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Affiliation(s)
- Siyuan Gong
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yan Gao
- Nursing Department, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jihong Liu
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jia Li
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xueqin Tang
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qian Ran
- Endocrinology Department, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Rongzhu Tang
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chunlian Liao
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
- *Correspondence: Chunlian Liao
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11
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Araújo B, Caridade-Silva R, Soares-Guedes C, Martins-Macedo J, Gomes ED, Monteiro S, Teixeira FG. Neuroinflammation and Parkinson's Disease-From Neurodegeneration to Therapeutic Opportunities. Cells 2022; 11:cells11182908. [PMID: 36139483 PMCID: PMC9497016 DOI: 10.3390/cells11182908] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/10/2022] [Accepted: 09/13/2022] [Indexed: 11/17/2022] Open
Abstract
Parkinson’s disease (PD) is the second most prevalent neurodegenerative disorder worldwide. Clinically, it is characterized by a progressive degeneration of dopaminergic neurons (DAn), resulting in severe motor complications. Preclinical and clinical studies have indicated that neuroinflammation can play a role in PD pathophysiology, being associated with its onset and progression. Nevertheless, several key points concerning the neuroinflammatory process in PD remain to be answered. Bearing this in mind, in the present review, we cover the impact of neuroinflammation on PD by exploring the role of inflammatory cells (i.e., microglia and astrocytes) and the interconnections between the brain and the peripheral system. Furthermore, we discuss both the innate and adaptive immune responses regarding PD pathology and explore the gut–brain axis communication and its influence on the progression of the disease.
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Affiliation(s)
- Bruna Araújo
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s-PT Government Associate Laboratory, 4710-057/4805-017 Braga/Guimarães, Portugal
- Medical and Industrial Biotechnology Laboratory (LABMI), Porto Research, Technology, and Innovation Center (PORTIC), Porto Polytechnic Institute, 4200-375 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
| | - Rita Caridade-Silva
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s-PT Government Associate Laboratory, 4710-057/4805-017 Braga/Guimarães, Portugal
- Medical and Industrial Biotechnology Laboratory (LABMI), Porto Research, Technology, and Innovation Center (PORTIC), Porto Polytechnic Institute, 4200-375 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
| | - Carla Soares-Guedes
- Medical and Industrial Biotechnology Laboratory (LABMI), Porto Research, Technology, and Innovation Center (PORTIC), Porto Polytechnic Institute, 4200-375 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
| | - Joana Martins-Macedo
- Medical and Industrial Biotechnology Laboratory (LABMI), Porto Research, Technology, and Innovation Center (PORTIC), Porto Polytechnic Institute, 4200-375 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
| | - Eduardo D. Gomes
- Medical and Industrial Biotechnology Laboratory (LABMI), Porto Research, Technology, and Innovation Center (PORTIC), Porto Polytechnic Institute, 4200-375 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
| | - Susana Monteiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s-PT Government Associate Laboratory, 4710-057/4805-017 Braga/Guimarães, Portugal
| | - Fábio G. Teixeira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s-PT Government Associate Laboratory, 4710-057/4805-017 Braga/Guimarães, Portugal
- Medical and Industrial Biotechnology Laboratory (LABMI), Porto Research, Technology, and Innovation Center (PORTIC), Porto Polytechnic Institute, 4200-375 Porto, Portugal
- I3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
- Correspondence:
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12
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Woodard PK. Assessment of myocardial sympathetic innervation with 18F-FDOPA-PET/CT in patients with autonomic dysfunction: Feasibility study in IPD patients. J Nucl Cardiol 2022; 29:1291-1292. [PMID: 33751475 DOI: 10.1007/s12350-021-02572-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 02/01/2021] [Indexed: 10/22/2022]
Affiliation(s)
- Pamela K Woodard
- Hugh Monroe Wilson Professor of Radiology, Washington University School of Medicine, St. Louis, MO, USA.
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13
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Goyal H, Sharma A, Patel C, Deepak KK, Tripathi M, Gupta P, Kumar R, Bal CS, Goyal V. Assessment of myocardial sympathetic innervation with 18F-FDOPA-PET/CT in patients with autonomic dysfunction: feasibility study in IPD patients. J Nucl Cardiol 2022; 29:1280-1290. [PMID: 33426586 DOI: 10.1007/s12350-020-02474-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 12/02/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Dysfunction and denervation of myocardial nor-adrenergic sympathetic neurons has been documented in IPD patients with dysautonomia. The aim of this study was to evaluate the feasibility of single tracer imaging of myocardial sympathetic and cerebral striatal involvement in these patients. METHODS Twenty-two controls (mean-age 59.09 ± 12.39 years, 15 men) with no clinical autonomic-dysfunction and normal striatal-uptake in 18F-FDOPA-PET/CT; and 28 patients (mean-age 58.18 ± 8.25 years, 18 men) with autonomic-dysfunction (in Autonomic Function Tests) and striatal dopaminergic-dysfunction were enrolled. Both cardiac-PET/CT (40 minutes post IV-injection of 185-259MBq 18F-FDOPA) and Brain-PET/CT (60 minutes post-IV) were acquired in same session. ROIs were drawn over the entire left ventricular myocardium, individual walls and mediastinum for quantification. Patients and controls were followed-up for 26.93 ± 5.43 months and 37.91 ± 8.63 months, respectively. RESULTS Striatal and myocardial-parameters were significantly lower in patients compared to controls; with Myocardium/mediastinal ratio (MwMR) yielding the area-under-the-curve of .941 (P < .001). MwMR correlated negatively with the drop in systolic blood pressure (SBP) during AFTs {Pearson-coefficient (-).565, P = .002}. Mean MwMR in patients with abnormal-AFTs was significantly lower than patients with borderline-AFTs (1.39 ± .12 vs 1.55 ± .10; P = .002). 9/20 patients with abnormal-AFTs showed functional worsening during follow-up, compared to 2/8 with borderline-AFTs. CONCLUSION Single tracer, single session imaging of striatal and cardiac sympathetic dysfunction in patients with advanced IPD is feasible with use of 18F-FDOPA. Significantly reduced 18F-FDOPA uptake is seen in the myocardium of the IPD patients with sympathetic dysfunction.
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Affiliation(s)
- Harish Goyal
- Department of Nuclear Medicine, AIIMS, New Delhi, 110029, India
| | - Anshul Sharma
- Department of Nuclear Medicine, AIIMS, New Delhi, 110029, India
| | - Chetan Patel
- Department of Nuclear Medicine, AIIMS, New Delhi, 110029, India.
- Department of Nuclear Medicine, Cardio-neuro Centre, AIIMS, Room 36, New Delhi, 110029, India.
| | - K K Deepak
- Department of Physiology, AIIMS, New Delhi, India
| | | | - Priyanka Gupta
- Department of Nuclear Medicine, AIIMS, New Delhi, 110029, India
| | - Rajeev Kumar
- Department of Nuclear Medicine, AIIMS, New Delhi, 110029, India
| | | | - Vinay Goyal
- Department of Neurology, AIIMS, New Delhi, India
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14
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Siebner TH, Fuglsang S, Madelung CF, Løkkegaard A, Bendtsen F, Hove JD, Damgaard M, Madsen JL, Siebner HR. Gastric Emptying Is Not Delayed and Does Not Correlate With Attenuated Postprandial Blood Flow Increase in Medicated Patients With Early Parkinson's Disease. Front Neurol 2022; 13:828069. [PMID: 35280265 PMCID: PMC8910363 DOI: 10.3389/fneur.2022.828069] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 01/24/2022] [Indexed: 11/13/2022] Open
Abstract
Background We have recently used phase-contrast magnetic resonance imaging (PC-MRI) to demonstrate an attenuated postprandial blood flow response in the superior mesenteric artery (SMA) in 23 medicated patients with Parkinson's disease (PD) compared to 23 age- and sex-matched healthy controls. Objective To investigate in a sub-sample of the original cohort whether the observed blood flow response in SMA after oral food intake is related to a delay in gastric emptying. Methods We studied 15 patients with PD in an “ON-medication” state with a mean disease duration of 3.9 ± 2.2 years and 15 healthy age- and sex-matched individuals. Participants underwent dynamic gastric scintigraphy 0, 30, 60, 120, 180 and 240 minutes after the intake of a standardized radiolabeled test meal. Gastric emptying was compared between groups. 14 of the 15 PD patients and 12 of the 15 healthy control subjects had previously undergone serial postprandial PC-MRI measurements. In these individuals, we tested for a relationship between gastric emptying and postprandial blood flow response in the SMA. Results The dynamics of gastric emptying did not differ between groups (p = 0.68). There was substantial inter-subject variability of gastric emptying in PD patients and healthy participants. Only a single PD patient had delayed gastric emptying. In those participants who had undergone PC-MRI, postprandial increase in SMA blood flow was attenuated in PD compared to healthy controls as reported previously (p = 0.006). Gastric emptying did not correlate with the timing and amplitude of postprandial blood flow increase in SMA. Conclusion Our preliminary results, obtained in a small group of early-stage PD patients who continued their usual dopamine replacement therapy, suggest that variations in gastric emptying after solid meal intake is within the normal range in the majority of cases. There is also no evidence for a tight relationship between the attenuated postprandial blood flow response in the SMA and normal variations in gastric emptying.
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Affiliation(s)
- Thomas Hartwig Siebner
- Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital—Amager and Hvidovre, Copenhagen, Denmark
- Department of Cardiology, Copenhagen University Hospital—Amager and Hvidovre, Copenhagen, Denmark
- *Correspondence: Thomas Hartwig Siebner
| | - Stefan Fuglsang
- Department of Clinical Physiology and Nuclear Medicine, Centre for Functional Imaging and Research, Copenhagen University Hospital—Amager and Hvidovre, Copenhagen, Denmark
| | - Christopher Fugl Madelung
- Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital—Amager and Hvidovre, Copenhagen, Denmark
- Department of Neurology, Copenhagen University Hospital—Bispebjerg and Frederiksberg, Copenhagen, Denmark
| | - Annemette Løkkegaard
- Department of Neurology, Copenhagen University Hospital—Bispebjerg and Frederiksberg, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Flemming Bendtsen
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
- Gastrounit, Medical Division, Copenhagen University Hospital—Amager and Hvidovre, Copenhagen, Denmark
| | - Jens Dahlgaard Hove
- Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital—Amager and Hvidovre, Copenhagen, Denmark
- Department of Cardiology, Copenhagen University Hospital—Amager and Hvidovre, Copenhagen, Denmark
| | - Morten Damgaard
- Department of Clinical Physiology and Nuclear Medicine, Centre for Functional Imaging and Research, Copenhagen University Hospital—Amager and Hvidovre, Copenhagen, Denmark
| | - Jan Lysgård Madsen
- Department of Clinical Physiology and Nuclear Medicine, Centre for Functional Imaging and Research, Copenhagen University Hospital—Amager and Hvidovre, Copenhagen, Denmark
| | - Hartwig Roman Siebner
- Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital—Amager and Hvidovre, Copenhagen, Denmark
- Department of Neurology, Copenhagen University Hospital—Bispebjerg and Frederiksberg, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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15
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Geertsma HM, Suk TR, Ricke KM, Horsthuis K, Parmasad JLA, Fisk ZA, Callaghan SM, Rousseaux MWC. Constitutive nuclear accumulation of endogenous alpha-synuclein in mice causes motor impairment and cortical dysfunction, independent of protein aggregation. Hum Mol Genet 2022; 31:3613-3628. [PMID: 35179202 PMCID: PMC9616578 DOI: 10.1093/hmg/ddac035] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 01/20/2022] [Accepted: 01/31/2022] [Indexed: 11/14/2022] Open
Abstract
A growing body of evidence suggests that nuclear alpha-synuclein (αSyn) plays a role in the pathogenesis of Parkinson’s disease (PD). However, this question has been difficult to address as controlling the localization of αSyn in experimental systems often requires protein overexpression, which affects its aggregation propensity. To overcome this, we engineered SncaNLS mice, which localize endogenous αSyn to the nucleus. We characterized these mice on a behavioral, histological and biochemical level to determine whether the increase of nuclear αSyn is sufficient to elicit PD-like phenotypes. SncaNLS mice exhibit age-dependent motor deficits and altered gastrointestinal function. We found that these phenotypes were not linked to αSyn aggregation or phosphorylation. Through histological analyses, we observed motor cortex atrophy in the absence of midbrain dopaminergic neurodegeneration. We sampled cortical proteomes of SncaNLS mice and controls to determine the molecular underpinnings of these pathologies. Interestingly, we found several dysregulated proteins involved in dopaminergic signaling, including Darpp32, Pde10a and Gng7, which we further confirmed was decreased in cortical samples of the SncaNLS mice compared with controls. These results suggest that chronic endogenous nuclear αSyn can elicit toxic phenotypes in mice, independent of its aggregation. This model raises key questions related to the mechanism of αSyn toxicity in PD and provides a new model to study an underappreciated aspect of PD pathogenesis.
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Affiliation(s)
- Haley M Geertsma
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON K1H8M5, Canada
- University of Ottawa Brain and Mind Research Institute, Ottawa, ON K1H8M5, Canada
| | - Terry R Suk
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON K1H8M5, Canada
- University of Ottawa Brain and Mind Research Institute, Ottawa, ON K1H8M5, Canada
| | - Konrad M Ricke
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON K1H8M5, Canada
- University of Ottawa Brain and Mind Research Institute, Ottawa, ON K1H8M5, Canada
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD
| | - Kyra Horsthuis
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON K1H8M5, Canada
- University of Ottawa Brain and Mind Research Institute, Ottawa, ON K1H8M5, Canada
| | - Jean-Louis A Parmasad
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON K1H8M5, Canada
- University of Ottawa Brain and Mind Research Institute, Ottawa, ON K1H8M5, Canada
| | - Zoe A Fisk
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON K1H8M5, Canada
- University of Ottawa Brain and Mind Research Institute, Ottawa, ON K1H8M5, Canada
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD
| | - Steve M Callaghan
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON K1H8M5, Canada
- University of Ottawa Brain and Mind Research Institute, Ottawa, ON K1H8M5, Canada
| | - Maxime W C Rousseaux
- To whom correspondence should be addressed at: University of Ottawa, 451 Smyth Road, Ottawa, K1H8M5, Canada. Tel: +1 6138625800 ext. 8611;
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16
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Han MN, Finkelstein DI, McQuade RM, Diwakarla S. Gastrointestinal Dysfunction in Parkinson’s Disease: Current and Potential Therapeutics. J Pers Med 2022; 12:jpm12020144. [PMID: 35207632 PMCID: PMC8875119 DOI: 10.3390/jpm12020144] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 02/04/2023] Open
Abstract
Abnormalities in the gastrointestinal (GI) tract of Parkinson’s disease (PD) sufferers were first reported over 200 years ago; however, the extent and role of GI dysfunction in PD disease progression is still unknown. GI dysfunctions, including dysphagia, gastroparesis, and constipation, are amongst the most prevalent non-motor symptoms in PD. These symptoms not only impact patient quality of life, but also complicate disease management. Conventional treatment pathways for GI dysfunctions (i.e., constipation), such as increasing fibre and fluid intake, and the use of over-the-counter laxatives, are generally ineffective in PD patients, and approved compounds such as guanylate cyclase C agonists and selective 5-hyroxytryptamine 4 receptor agonists have demonstrated limited efficacy. Thus, identification of potential targets for novel therapies to alleviate PD-induced GI dysfunctions are essential to improve clinical outcomes and quality of life in people with PD. Unlike the central nervous system (CNS), where PD pathology and the mechanisms involved in CNS damage are relatively well characterised, the effect of PD at the cellular and tissue level in the enteric nervous system (ENS) remains unclear, making it difficult to alleviate or reverse GI symptoms. However, the resurgence of interest in understanding how the GI tract is involved in various disease states, such as PD, has resulted in the identification of novel therapeutic avenues. This review focuses on common PD-related GI symptoms, and summarizes the current treatments available and their limitations. We propose that by targeting the intestinal barrier, ENS, and/or the gut microbiome, may prove successful in alleviating PD-related GI symptoms, and discuss emerging therapies and potential drugs that could be repurposed to target these areas.
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Affiliation(s)
- Myat Noe Han
- Gut-Axis Injury and Repair Laboratory, Department of Medicine Western Health, University of Melbourne, Melbourne, VIC 3021, Australia; (M.N.H.); (S.D.)
- The Florey Institute of Neuroscience and Mental Health, Parkville, VIC 3010, Australia
- Australian Institute of Musculoskeletal Science (AIMSS), Melbourne, VIC 3021, Australia
| | - David I. Finkelstein
- Parkinson’s Disease Laboratory, The Florey Institute of Neuroscience and Mental Health, Parkville, VIC 3010, Australia;
| | - Rachel M. McQuade
- Gut-Axis Injury and Repair Laboratory, Department of Medicine Western Health, University of Melbourne, Melbourne, VIC 3021, Australia; (M.N.H.); (S.D.)
- The Florey Institute of Neuroscience and Mental Health, Parkville, VIC 3010, Australia
- Australian Institute of Musculoskeletal Science (AIMSS), Melbourne, VIC 3021, Australia
- Correspondence: ; Tel.: +61-3-8395-8114
| | - Shanti Diwakarla
- Gut-Axis Injury and Repair Laboratory, Department of Medicine Western Health, University of Melbourne, Melbourne, VIC 3021, Australia; (M.N.H.); (S.D.)
- The Florey Institute of Neuroscience and Mental Health, Parkville, VIC 3010, Australia
- Australian Institute of Musculoskeletal Science (AIMSS), Melbourne, VIC 3021, Australia
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17
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Sklerov M, Browner N, Dayan E, Rubinow D, Frohlich F. Autonomic and Depression Symptoms in Parkinson's Disease: Clinical Evidence for Overlapping Physiology. JOURNAL OF PARKINSON'S DISEASE 2022; 12:1059-1067. [PMID: 35124662 DOI: 10.3233/jpd-213075] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
BACKGROUND Autonomic dysfunction and depression are common non-motor symptoms of Parkinson's disease (PD) that confer poorer prognosis. These PD symptoms may have overlapping pathophysiologic underpinnings. OBJECTIVE To investigate associations between autonomic and depression symptoms in early PD, and their evolution over time. METHODS We obtained data from the Parkinson's Progression Markers Initiative, a prospective open-access database of early PD. Regression analyses were used to model effects of depression on autonomic symptoms in controls and in PD at baseline, visit 6 (24 months after baseline), and visit 12 (60 months after baseline), correcting for multiple comparisons. RESULTS Data from 421 people with PD at baseline, 360 at visit 6, 300 at visit 12, and 193 controls were included. When controlling for age, depression, and anti-hypertensive medications, depression predicted autonomic symptoms in all groups. Accounting for motor symptoms did not alter these associations. When comparing groups, the influence of depression on autonomic symptoms was stronger in all PD groups compared to controls, and strongest in PD at visit 12. Depression predicted the presence of orthostatic hypotension only in the PD group at visit 12. CONCLUSION We demonstrated the important impact of depression on autonomic symptoms in early and middle stages of PD, which are independent of motor symptoms. Though the physiologic basis of these two PD symptoms are not fully understood, our findings add to pathologic evidence of a shared mechanistic substrate, separate from that responsible for PD motor symptoms. These findings may influence clinical management and development of novel therapies.
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Affiliation(s)
- Miriam Sklerov
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Nina Browner
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Eran Dayan
- Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, NC, USA
| | - David Rubinow
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Flavio Frohlich
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Carolina Center for Neurostimulation, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Neuroscience Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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18
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Katunina E, Shipilova N, Katunin D. Mechanisms of development of constipation in Parkinson’s disease and therapeutic approaches. Zh Nevrol Psikhiatr Im S S Korsakova 2022; 122:21-26. [DOI: 10.17116/jnevro202212208121] [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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19
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Conway JA, Kramer ER. Is activation of GDNF/RET signaling the answer for successful treatment of Parkinson's disease? A discussion of data from the culture dish to the clinic. Neural Regen Res 2021; 17:1462-1467. [PMID: 34916419 PMCID: PMC8771118 DOI: 10.4103/1673-5374.327330] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The neurotrophic signaling of glial cell line-derived neurotrophic factor (GDNF) with its canonical receptor, the receptor tyrosine kinase RET, coupled together with the GDNF family receptor alpha 1 is important for dopaminergic neuron survival and physiology in cell culture experiments and animal models. This prompted the idea to try GDNF/RET signaling as a therapeutic approach to treat Parkinson's disease with the hallmark of dopaminergic cell death in the substantia nigra of the midbrain. Despite several clinical trials with GDNF in Parkinson's disease patients, which mainly focused on optimizing the GDNF delivery technique, benefits were only seen in a few patients. In general, the endpoints did not show significant improvements. This suggests that it will be helpful to learn more about the basic biology of this fascinating but complicated GDNF/RET signaling system in the dopaminergic midbrain and about recent developments in the field to facilitate its use in the clinic. Here we will refer to the latest publications and point out important open questions in the field.
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Affiliation(s)
- James A Conway
- Institute of Translational and Stratified Medicine, Peninsula Medical School, Faculty of Health, University of Plymouth, Devon, UK
| | - Edgar R Kramer
- Institute of Translational and Stratified Medicine, Peninsula Medical School, Faculty of Health, University of Plymouth, Devon, UK
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20
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Coloman II, Levin OS. [Thermoregulatory dysfunction in Parkinson's disease]. Zh Nevrol Psikhiatr Im S S Korsakova 2021; 121:69-75. [PMID: 34870917 DOI: 10.17116/jnevro202112110269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Thermoregulatory dysfunction is considered to be the least investigated among all the autonomic disorders in Parkinson disease. Pathophysiological mechanisms of this phenomena involve as central, as peripheric parts of nervous system. Dopamine deficiency in combination with peripheric autonomic dysfunction leads to temperature balance disturbance, which may be expressed by various clinical symptoms. Dopaminergic innervation of preoptic-anterior hypothalamus area plays a crucial role in thermoregulation function of central nervous system. Current thermoregulatory tests give possibility not only to reveal sudomotor and heat dissipation disorders in patients with Parkinson disease, but also to make differential diagnosis with other neurodegenerative disorders. Early detection and treatment of thermoregulatory dysfunction may improve quality of life in patients with Parkinson disease.
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Affiliation(s)
- I I Coloman
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
| | - O S Levin
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
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21
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Soliman H, Coffin B, Gourcerol G. Gastroparesis in Parkinson Disease: Pathophysiology, and Clinical Management. Brain Sci 2021; 11:831. [PMID: 34201699 PMCID: PMC8301889 DOI: 10.3390/brainsci11070831] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/16/2021] [Accepted: 06/22/2021] [Indexed: 02/07/2023] Open
Abstract
Patients with Parkinson disease (PD) experience a range of non-motor symptoms, including gastrointestinal symptoms. These symptoms can be present in the prodromal phase of the disease. Recent advances in pathophysiology reveal that α-synuclein aggregates that form Lewy bodies and neurites, the hallmark of PD, are present in the enteric nervous system and may precede motor symptoms. Gastroparesis is one of the gastrointestinal involvements of PD and is characterized by delayed gastric emptying of solid food in the absence of mechanical obstruction. Gastroparesis has been reported in nearly 45% of PD. The cardinal symptoms include early satiety, postprandial fullness, nausea, and vomiting. The diagnosis requires an appropriate test to confirm delayed gastric emptying, such as gastric scintigraphy, or breath test. Gastroparesis can lead to malnutrition and impairment of quality of life. Moreover, it might interfere with the absorption of antiparkinsonian drugs. The treatment includes dietary modifications, and pharmacologic agents both to accelerate gastric emptying and relieve symptoms. Alternative treatments have been recently developed in the management of gastroparesis, and their use in patients with PD will be reported in this review.
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Affiliation(s)
- Heithem Soliman
- Centre de Recherche sur l’Inflammation, Université de Paris, Inserm UMRS 1149, 75018 Paris, France;
- Département d’Hépato Gastro Entérologie, Hôpital Louis Mourier, DMU ESPRIT—GHU (AP-HP), 92700 Colombes, France
| | - Benoit Coffin
- Centre de Recherche sur l’Inflammation, Université de Paris, Inserm UMRS 1149, 75018 Paris, France;
- Département d’Hépato Gastro Entérologie, Hôpital Louis Mourier, DMU ESPRIT—GHU (AP-HP), 92700 Colombes, France
| | - Guillaume Gourcerol
- Centre Hospitalo-Universitaire de Rouen, INSERM UMR 1073, CIC-CRB 1404, 76000 Rouen, France;
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22
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Beach TG, Adler CH, Sue LI, Shill HA, Driver-Dunckley E, Mehta SH, Intorcia AJ, Glass MJ, Walker JE, Arce R, Nelson CM, Serrano GE. Vagus Nerve and Stomach Synucleinopathy in Parkinson's Disease, Incidental Lewy Body Disease, and Normal Elderly Subjects: Evidence Against the "Body-First" Hypothesis. JOURNAL OF PARKINSONS DISEASE 2021; 11:1833-1843. [PMID: 34151862 PMCID: PMC10082635 DOI: 10.3233/jpd-212733] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Braak and others have proposed that Lewy-type α-synucleinopathy in Parkinson's disease (PD) may arise from an exogenous pathogen that passes across the gastric mucosa and then is retrogradely transported up the vagus nerve to the medulla. OBJECTIVE We tested this hypothesis by immunohistochemically staining, with a method specific for p-serine 129 α-synuclein (pSyn), stomach and vagus nerve tissue from an autopsy series of 111 normal elderly subjects, 33 with incidental Lewy body disease (ILBD) and 53 with PD. METHODS Vagus nerve samples were taken adjacent to the carotid artery in the neck. Stomach samples were taken from the gastric body, midway along the greater curvature. Formalin-fixed paraffin-embedded sections were immunohistochemically stained for pSyn, shown to be highly specific and sensitive for α-synuclein pathology. RESULTS Median disease duration for the PD group was 13 years. In the vagus nerve none of the 111 normal subjects had pSyn in the vagus, while 12/26 ILBD (46%) and 32/36 PD (89%) subjects were pSyn-positive. In the stomach none of the 102 normal subjects had pSyn while 5/30 (17%) ILBD and 42/52 (81%) of PD subjects were pSyn-positive. CONCLUSION As there was no pSyn in the vagus nerve or stomach of subjects without brain pSyn, these results support initiation of pSyn in the brain. The presence of pSyn in the vagus nerve and stomach of a subset of ILBD cases indicates that synucleinopathy within the peripheral nervous system may occur, within a subset of individuals, at preclinical stages of Lewy body disease.
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Affiliation(s)
| | - Charles H Adler
- Mayo Clinic College of Medicine, Mayo Clinic Arizona, Scottsdale, AZ, USA
| | - Lucia I Sue
- Banner Sun Health Research Institute, Sun City, AZ, USA
| | | | | | - Shyamal H Mehta
- Mayo Clinic College of Medicine, Mayo Clinic Arizona, Scottsdale, AZ, USA
| | | | | | | | - Richard Arce
- Banner Sun Health Research Institute, Sun City, AZ, USA
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23
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Rocchi C, Cerroni R, Conti M, Lauretti B, Mercuri NB, Stefani A, Pierantozzi M. Sudomotor and cardiovascular autonomic function in de novo Parkinson's disease assessed by sudoscan and cardiovascular reflexes. J Neurol Sci 2021; 427:117502. [PMID: 34044239 DOI: 10.1016/j.jns.2021.117502] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 05/06/2021] [Accepted: 05/17/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE The prevalence of autonomic involvement in early stage of Parkinson 's disease (PD) is still debated. Aim of this study is to assess the autonomic functions in de novo PD patients (dnPD) in comparison with PD patients on therapy (PDot) and healthy controls (HC). METHODS Twenty-eight dnPD and 24 PDot, to whom Unified Parkinson's Rating Scale (UPDRS) was administered, and 23 HC underwent electrochemical skin conductance (ESC) measured with sudoscan, cardiovascular reflexes (head-up tilt test HUTT, Valsalva maneuver, deep breathing, hand grip, and cold face),and Scales for Outcomes in Parkinson's Disease-Autonomic Dysfunction (SCOPA-AUT) questionnaire. RESULTS The mean SCOPA-AUT total score was significantly higher in dnPD group compared with HC group (p < 0.001) and significantly lower than PDot (p = 0.004). No significant difference of ESC mean values were found between dnPD and HC group. DnPD had a significantly lower diastolic blood pressure (BP) response at handgrip test (p = 0.005) compared with HC. Hands and feet ESC significantly negatively correlated with disease duration (p = 0.014; p = 0.025) and feet ESC significantly negatively correlated with UPDRS III (p = 0.039). Systolic and diastolic BP responses at 3rd minute of HUTT correlated significantly negatively with disease duration (p < 0.001; p = 0.003) and with UPDRSIII (p = 0.001; p < 0.001). BP response to Valsalva maneuver negatively correlated with UPDRSIII (p = 0.006). CONCLUSION Although dnPD patients complain of thermoregulatory symptoms, we found no alteration in the sudomotor function investigated with sudoscan. Furthermore, a deficit of the sympathetic vasoconstrictive response to the isometric exercise was detected, suggesting an early involvement of the autonomic cardiovascular components in dnPD.
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Affiliation(s)
- Camilla Rocchi
- Neurology Unit, Department of Systems Medicine, Policlinico Tor Vergata, University of Rome "Tor Vergata", Rome, Italy.
| | - Rocco Cerroni
- Parkinson's Disease Center, Department of Systems Medicine, Policlinico Tor Vergata, University of Rome 'Tor Vergata', Rome, Italy
| | - Matteo Conti
- Parkinson's Disease Center, Department of Systems Medicine, Policlinico Tor Vergata, University of Rome 'Tor Vergata', Rome, Italy
| | - Benedetta Lauretti
- Neurology Unit, Department of Systems Medicine, Policlinico Tor Vergata, University of Rome "Tor Vergata", Rome, Italy
| | - Nicola Biagio Mercuri
- Neurology Unit, Department of Systems Medicine, Policlinico Tor Vergata, University of Rome "Tor Vergata", Rome, Italy
| | - Alessandro Stefani
- Parkinson's Disease Center, Department of Systems Medicine, Policlinico Tor Vergata, University of Rome 'Tor Vergata', Rome, Italy
| | - Mariangela Pierantozzi
- Parkinson's Disease Center, Department of Systems Medicine, Policlinico Tor Vergata, University of Rome 'Tor Vergata', Rome, Italy
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24
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Yu Z, Li Y. Association of autonomic symptoms with cerebrospinal fluid biomarkers in Parkinson disease and scans without evidence of dopaminergic deficit. Medicine (Baltimore) 2021; 100:e24837. [PMID: 33607852 PMCID: PMC7899893 DOI: 10.1097/md.0000000000024837] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 01/25/2021] [Indexed: 01/05/2023] Open
Abstract
Dysautonomia is common in patients with Parkinson disease (PD) since disease early phase. Scales for Outcomes in Parkinson's disease - Autonomic (SCOPA-AUT) is a well-designed scale assessing the autonomic dysfunctions of PD patients. Our objectives were to examine the autonomic dysfunction in PD and scan without evidence of dopaminergic deficit (SWEDD) patients and to assess the correlation of autonomic dysfunctions with cerebrospinal fluid (CSF) biomarkers.An analysis of the Parkinson's Progression Markers Initiative (PPMI) data including 414 PD patients, 60 SWEDD patients, and 170 healthy controls (HCs) with baseline CSF biomarker measurements and SCOPA-AUT assessments was presented. Autonomic symptoms including gastrointestinal, urinary, cardiovascular, pupillomotor, thermoregulatory and sexual dysfunctions were assessed by SCOPA-AUT scales. Spearman correlation test was used to examine the correlations between CSF measurements and each section of SCOPA-AUT scales in HCs and subjects with PD or SWEDD.More severe autonomic dysfunctions were observed in patients with SWEDD than those with PD (P < .001). Specifically, patients with PD have lower scores on the urinary scale [4 (0-17) vs 5 (1-18)], pupillomotor scale [0 (0-3) vs 0 (0-3)], thermoregulatory scale [0 (0-4) vs 1.5 (0-10)] and sexual scale [1 (0-6) vs 2 (0-6)] compared with SWEDD patients. Thermoregulatory dysfunction scores were found correlated with CSF α-syn levels in SWEDD group, and gastrointestinal dysfunction scores were correlated with CSF Abeta1-42 in PD group. Additionally, urinary dysfunction scores were correlated with CSF total tau and tau phosphorylated at threonine 181(p-tau181) levels in both HCs and PD patients.
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Affiliation(s)
- Zhenwei Yu
- Beijing Neurosurgical Institute, Capital Medical University
| | - Yang Li
- Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
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25
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Autonomic Dysfunctions in Parkinson's Disease: Prevalence, Clinical Characteristics, Potential Diagnostic Markers, and Treatment. PARKINSON'S DISEASE 2021; 2020:8740732. [PMID: 33425317 PMCID: PMC7775181 DOI: 10.1155/2020/8740732] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 10/07/2020] [Accepted: 10/27/2020] [Indexed: 12/13/2022]
Abstract
Parkinson's disease (PD) is a common neurodegenerative disease in the middle-aged and the elderly. Symptoms of autonomic dysfunctions are frequently seen in PD patients, severely affecting the quality of life. This review summarizes the epidemiology, clinical manifestations, and treatment options of autonomic dysfunctions. The clinical significance of autonomic dysfunctions in PD early diagnosis and differential diagnosis is also discussed.
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26
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Kenna JE, Bakeberg MC, Gorecki AM, Chin Yen Tay A, Winter S, Mastaglia FL, Anderton RS. Characterization of Gastrointestinal Symptom Type and Severity in Parkinson's Disease: A Case-Control Study in an Australian Cohort. Mov Disord Clin Pract 2021; 8:245-253. [PMID: 33553495 DOI: 10.1002/mdc3.13134] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 11/19/2020] [Accepted: 12/02/2020] [Indexed: 12/15/2022] Open
Abstract
Background While constipation is a well-known non-motor symptom which may precede the onset of the classical motor symptoms of PD, there have been few comprehensive studies of gastrointestinal (GI) symptoms in people with PD (PwP). Objectives To investigate the spectrum of GI symptoms in an Australian PwP cohort and their relationship to use of anti-parkinsonian medications dietary habits and smoking. Methods The prevalence and severity of GI symptoms were compared in a group of 163 PwP and 113 healthy control subjects using the Gastrointestinal Symptom Rating Scale (GSRS). Corrected linear regression models were used to determine differences between PwP and controls, and to investigate the influence of different classes of anti-Parkinsonian medications. Results PwP reported a greater frequency of constipation and GI-associated illnesses when compared to healthy controls. Total GSRS scores (P < 0.0001), upper GI symptoms (P < 0.0001), and hypoactive GI Symptoms (P < 0.0001) were all significantly greater in the PD cohort than controls. Further analyses revealed a positive association between the use of anti-Parkinsonian medications and total GSRS scores (P < 0.001), as well as upper GI symptoms (P < 0.001) and hypoactive GI function (P < 0.001). Conclusions This study illustrates the frequency and array of GI symptoms in a large PD cohort. The findings indicate that anti-parkinsonian medications play an important role in the presentation and development of GI symptoms.
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Affiliation(s)
- Jade E Kenna
- Perron Institute for Neurological and Translational Science Nedlands Western Australia Australia.,Centre for Neuromuscular and Neurological Disorders University of Western Australia Perth Western Australia Australia.,Centre for Clinical Neurosciences and Neurological Research St. Vincent's Hospital Melbourne Melbourne Australia
| | - Megan C Bakeberg
- Perron Institute for Neurological and Translational Science Nedlands Western Australia Australia.,Centre for Neuromuscular and Neurological Disorders University of Western Australia Perth Western Australia Australia
| | - Anastazja M Gorecki
- Perron Institute for Neurological and Translational Science Nedlands Western Australia Australia.,School of Biological Sciences University of Western Australia Perth Australia
| | - Alfred Chin Yen Tay
- School of Biological Sciences University of Western Australia Perth Australia.,Marshall Centre for Infectious Diseases Research and Training Nedlands Western Australia Australia
| | - Samantha Winter
- Perron Institute for Neurological and Translational Science Nedlands Western Australia Australia.,Institute for Health Research and School of Health Sciences University of Notre Dame Australia Fremantle Western Australia Australia
| | - Frank L Mastaglia
- Perron Institute for Neurological and Translational Science Nedlands Western Australia Australia.,Centre for Neuromuscular and Neurological Disorders University of Western Australia Perth Western Australia Australia
| | - Ryan S Anderton
- Perron Institute for Neurological and Translational Science Nedlands Western Australia Australia.,Centre for Neuromuscular and Neurological Disorders University of Western Australia Perth Western Australia Australia.,Institute for Health Research and School of Health Sciences University of Notre Dame Australia Fremantle Western Australia Australia
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27
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Rajput C, Sarkar A, Sachan N, Rawat N, Singh MP. Is Gut Dysbiosis an Epicenter of Parkinson's Disease? Neurochem Res 2021; 46:425-438. [PMID: 33400024 DOI: 10.1007/s11064-020-03187-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 11/16/2020] [Accepted: 11/19/2020] [Indexed: 12/11/2022]
Abstract
Once recognized as one of the most esoteric diseases of the central nervous system, Parkinson's disease (PD) is now deemed to be a chronic illness contributed by the central, autonomic and enteric nervous systems. Most likely, an accumulation of α-synuclein in the central and enteric nervous systems is the key that supports this viewpoint. Constipation, one of the non-motor hallmarks in roughly two-third of PD patients, is regulated by the composition of gut bacteria, which is assumed to set off the enteric α-synuclein accrual. Vagus nerve is suggested to direct the signal for α-synuclein over-expression and accumulation to the brain. While trillions of microorganisms reside in the intestinal tract, only one third of the proportion inhabits evenly in all individuals. Existence of an impaired gut-microbe-brain axis consonant with dysbiosis could be an epicenter of this inexplicable disorder. Any alteration in the structure and function of the gastrointestinal tract owing to exposure of endogenous or exogenous chemicals or toxicants could lead to dysbiosis. However, inconsistency in the symptoms even after exposure to same chemical or toxicant in PD patients emphatically creates a conundrum. While the level of a few specific neurotransmitters and metabolites is influenced by microbes, implication of dysbiosis is still debatable. Nevertheless, the scientific literature is overflowing with the remarkable observations supporting the role of dysbiosis in PD. Lack of specificity to differentially diagnose PD with non-PD or PD-plus syndrome, to identify highly precise drug targets and to develop therapeutic stratagems to encounter the disease on the basis of this approach, causes us to be open-minded about the dysbiosis theory. The article reviews the facts supporting gut dysbiosis as the foremost trigger for PD onset along with disagreements.
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Affiliation(s)
- Charul Rajput
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, Uttar Pradesh, India
| | - Alika Sarkar
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, Uttar Pradesh, India
| | - Nidhi Sachan
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India
| | - Neeraj Rawat
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, Uttar Pradesh, India
| | - Mahendra Pratap Singh
- Toxicogenomics and Predictive Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India. .,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, Uttar Pradesh, India.
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28
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Dayan E, Sklerov M. Autonomic disorders in Parkinson disease: Disrupted hypothalamic connectivity as revealed from resting-state functional magnetic resonance imaging. HANDBOOK OF CLINICAL NEUROLOGY 2021; 182:211-222. [PMID: 34266593 DOI: 10.1016/b978-0-12-819973-2.00014-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Converging evidence from diverse methodologies implicate the hypothalamus in the pathophysiology of Parkinson's disease (PD). Pathology in the hypothalamus and in hypothalamic pathways has been linked primarily to autonomic dysfunction, routinely experienced by individuals with PD throughout the course of the disease, sometimes predating onset of motor symptoms. Postmortem and molecular imaging studies have delineated pathologic changes in the hypothalamus and demonstrated alterations in neurotransmitter systems within this structure and associated pathways, which track the progression of the disease. More recently, functional interactions between the hypothalamus, thalamus, and striatum, as assessed using resting-state functional magnetic resonance imaging, were shown to be reduced in PD patients with high in comparison to those with low autonomic symptom burden. These functional changes may relate to micro- and macrostructural alterations which are also observed in PD. An examination of the hypothalamus and hypothalamic pathways can also shed light on atypical parkinsonian disorders and their distinct pathophysiologic characteristics relative to idiopathic PD. Altogether, the current state of knowledge on the involvement of the hypothalamus in PD is profound, yet emerging methodological advances are likely to move our understanding of hypothalamic pathology in PD significantly forward.
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Affiliation(s)
- Eran Dayan
- Department of Radiology and Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.
| | - Miriam Sklerov
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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29
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Bodi I, Hagen EM, Ingle GT, Lunn MP. Fatal autonomic failure due to premanifesting Parkinson's disease only diagnosed at autopsy. Clin Case Rep 2020; 8:1997-1999. [PMID: 33088537 PMCID: PMC7562892 DOI: 10.1002/ccr3.3042] [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: 01/23/2020] [Revised: 04/30/2020] [Accepted: 05/28/2020] [Indexed: 11/08/2022] Open
Abstract
A 46-year-old male had 11-year history of cryptic autonomic dysfunction. He developed a fatal autonomic failure with diffuse hypoxic brain injury. Histology examination of medulla oblongata and the celiac ganglion revealed many α-synuclein immunoreactive Lewy bodies confirming the diagnosis of premanifesting Parkinson's disease (PD). PNS involvement in PD is underappreciated.
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Affiliation(s)
- Istvan Bodi
- Clinical NeuropathologyKing's College HospitalNHS Foundation TrustLondonUK
| | | | | | - Michael P Lunn
- Centre for Neuromuscular DiseaseNational Hospital for Neurology and NeurosurgeryLondonUK
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30
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Abstract
Recognition of the importance of nonmotor dysfunction as a component of Parkinson's disease has exploded over the past three decades. Autonomic dysfunction is a frequent and particularly important nonmotor feature because of the broad clinical spectrum it covers. Cardiovascular, gastrointestinal, urinary, sexual, and thermoregulatory abnormalities all can appear in the setting of Parkinson's disease. Cardiovascular dysfunction is characterized most prominently by orthostatic hypotension. Gastrointestinal dysfunction can involve virtually all levels of the gastrointestinal tract. Urinary dysfunction can entail either too frequent voiding or difficulty voiding. Sexual dysfunction is frequent and frustrating for both patient and partner. Alterations in sweating and body temperature are not widely recognized but often are present. Autonomic dysfunction can significantly and deleteriously impact quality of life for individuals with Parkinson's disease. Because effective treatment for many aspects of autonomic dysfunction is available, it is vitally important that assessment of autonomic dysfunction be a regular component of the neurologic history and exam and that appropriate treatment be initiated and maintained.
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Affiliation(s)
- Ronald F Pfeiffer
- Department of Neurology, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239-3098, USA.
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31
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Sathe AG, Tuite P, Chen C, Ma Y, Chen W, Cloyd J, Low WC, Steer CJ, Lee BY, Zhu XH, Coles LD. Pharmacokinetics, Safety, and Tolerability of Orally Administered Ursodeoxycholic Acid in Patients With Parkinson's Disease-A Pilot Study. J Clin Pharmacol 2020; 60:744-750. [PMID: 32052462 PMCID: PMC7245554 DOI: 10.1002/jcph.1575] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 12/06/2019] [Indexed: 12/14/2022]
Abstract
Mitochondrial dysfunction is implicated in the pathogenesis of Parkinson's disease. Preliminary data have shown lower brain adenosine triphosphate (ATP) levels in Parkinson's disease versus age-matched healthy controls. Ursodeoxycholic acid (UDCA) may improve impaired mitochondrial function. Our objective was to evaluate UDCA tolerability, pharmacokinetics, and its effect on brain bioenergetics in individuals with Parkinson's disease. An open-label, prospective, multiple-ascending-dose study of oral UDCA in 5 individuals with Parkinson's disease was completed. A blood safety panel, plasma concentrations of UDCA and UDCA conjugates, and brain ATP levels were measured before and after therapy (week 1: 15 mg/kg/day; week 2: 30 mg/kg/day; and weeks 3-6: 50 mg/kg/day). UDCA and conjugates were measured using liquid chromatography-mass spectrometry. ATP levels and ATPase activity were measured using 7-Tesla 31 P magnetic resonance spectroscopy. Secondary measures included the Unified Parkinson's Disease Rating Scale and Montreal Cognitive Assessment. UDCA was generally well tolerated. The most frequent adverse event was gastrointestinal discomfort, rated by subjects as mild to moderate. Noncompartmental pharmacokinetic analysis resulted in (mean ± standard deviation) a maximum concentration of 8749 ± 2840 ng/mL and half-life of 2.1 ± 0.71 hr. Magnetic resonance spectroscopy data were obtained in 3 individuals with Parkinson's disease and showed modest increases in ATP and decreases in ATPase activity. Changes in Unified Parkinson's Disease Rating Scale (parts I-IV) and Montreal Cognitive Assessment scores (mean ± standard deviation) were -4.6 ± 6.4 and 2 ± 1.7, respectively. This is the first report of UDCA use in individuals with Parkinson's disease. Its pharmacokinetics are variable, and at high doses it appears reasonably well tolerated. Our findings warrant additional studies of its effect on brain bioenergetics.
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Affiliation(s)
- Abhishek G. Sathe
- Center for Orphan Drug Research and Department of Experimental and Clinical Pharmacology, College of Pharmacy, Minneapolis, Minnesota, USA
| | - Paul Tuite
- Department of Neurology, Medical School, University of Minnesota, Minneapolis, Minnesota, USA
| | - Chi Chen
- Department of Food Science and Nutrition, College of Food, Agricultural and Natural Resource Sciences, University of Minnesota, St. Paul, Minnesota, USA
| | - Yiwei Ma
- Department of Food Science and Nutrition, College of Food, Agricultural and Natural Resource Sciences, University of Minnesota, St. Paul, Minnesota, USA
| | - Wei Chen
- Center for Magnetic Resonance Research, Department of Radiology, Medical School, University of Minnesota, Minneapolis, Minnesota, USA
| | - James Cloyd
- Center for Orphan Drug Research and Department of Experimental and Clinical Pharmacology, College of Pharmacy, Minneapolis, Minnesota, USA
| | - Walter C. Low
- Department of Neurosurgery, Medical School, University of Minnesota, Minneapolis, Minnesota, USA
| | - Clifford J. Steer
- Departments of Medicine and Genetics, Cell Biology and Development, Medical School, University of Minnesota, Minneapolis, Minnesota, USA
| | - Byeong-Yeul Lee
- Center for Magnetic Resonance Research, Department of Radiology, Medical School, University of Minnesota, Minneapolis, Minnesota, USA
| | - Xiao-Hong Zhu
- Center for Magnetic Resonance Research, Department of Radiology, Medical School, University of Minnesota, Minneapolis, Minnesota, USA
| | - Lisa D. Coles
- Center for Orphan Drug Research and Department of Experimental and Clinical Pharmacology, College of Pharmacy, Minneapolis, Minnesota, USA
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32
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O'Hara DM, Kalia SK, Kalia LV. Methods for detecting toxic α-synuclein species as a biomarker for Parkinson's disease. Crit Rev Clin Lab Sci 2020; 57:291-307. [PMID: 32116096 DOI: 10.1080/10408363.2019.1711359] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Parkinson's disease (PD) is the most common neurodegenerative movement disorder and is characterized by the accumulation of α-synuclein (α-syn) into insoluble aggregates known as Lewy bodies and Lewy neurites in the brain. However, prior to the formation of these large aggregates, α-syn forms oligomers and small fibrils, which are believed to be the pathogenic species leading to the death of neurons in the substantia nigra in disease. The majority of aggregated α-syn is phosphorylated, and it is thought that this post-translational modification may be critical in disease pathogenesis. Thus, early detection of the toxic forms of α-syn may provide a window of opportunity for an intervention to halt or slow the progression of neurodegeneration in PD. Expression of α-syn is not restricted to the central nervous system and the protein can be found elsewhere, including bodily fluids and peripheral tissues. This review will examine current methods for detecting toxic forms of α-syn in accessible biospecimens and outline emerging techniques that may provide reliable identification of biomarkers for PD.
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Affiliation(s)
- Darren M O'Hara
- Krembil Research Institute, Toronto Western Hospital, University Health Network, Toronto, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
| | - Suneil K Kalia
- Krembil Research Institute, Toronto Western Hospital, University Health Network, Toronto, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada.,Department of Surgery, Division of Neurosurgery, University of Toronto, Toronto, Canada
| | - Lorraine V Kalia
- Krembil Research Institute, Toronto Western Hospital, University Health Network, Toronto, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada.,Department of Medicine, Division of Neurology, University of Toronto, Toronto, Canada.,Department of Medicine, Division of Neurology, Edmond J. Safra Program in Parkinson's Disease and the Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, University Health Network, Toronto, Canada.,Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Toronto, Canada
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33
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Sasmita AO. Modification of the gut microbiome to combat neurodegeneration. Rev Neurosci 2019; 30:795-805. [DOI: 10.1515/revneuro-2019-0005] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 02/16/2019] [Indexed: 12/11/2022]
Abstract
Abstract
The gut microbiome was extensively researched for its biological variety and its potential role in propagating diseases outside of the gastrointestinal (GI) tract. Recently, a lot of effort was focused on comprehending the gut-brain axis and the bizarre communication between the GI system and the nervous system. Ample amount of studies being carried out also revealed the involvement of the gut microbiome in enhancing the degree of many neurological disorders, including neurodegenerative diseases. It was widely observed that there were distinct microbiome profiles and dysbiosis within patients suffering from Alzheimer’s disease, Parkinson’s disease, amyotrophic lateral sclerosis, and multiple sclerosis. Various approaches to re-establish the balance of the gut microbiome, from antibiotic therapy, fecal microbiota transplant, or ingestion of psychobiotics, are discussed within this review within the specific context of combating neurodegenerative diseases. Present studies and clinical trials indicate that although there is an immense potential of gut microbiome modification to be preventive or therapeutic, there are still many intercalated components of the gut-brain axis at play and thus, more research needs to be carried out to delineate microbiome factors that may potentially alleviate symptoms of neurodegeneration.
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Rodrigues LD, Oliveira LF, Shinoda L, Scorza CA, Faber J, Ferraz HB, Britto LRG, Scorza FA. Cardiovascular alterations in rats with Parkinsonism induced by 6-OHDA and treated with Domperidone. Sci Rep 2019; 9:8965. [PMID: 31222185 PMCID: PMC6586896 DOI: 10.1038/s41598-019-45518-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 06/10/2019] [Indexed: 01/10/2023] Open
Abstract
After Alzheimer, Parkinson disease (PD) is the most frequently occurring progressive, degenerative neurological disease. It affects both sympathetic and parasympathetic nervous systems in a variable fashion. Cardiovascular symptoms are present in almost all stages of PD and narrower heart rate variability is the earliest sign. Administration of Levodopa to PD patients has proven to provide some degree of neurological protection. This drug, however, causes side effects including nausea and vomiting, lessened by the administration of domperidone. Autopsies in PD patients led some researchers to suggest the involvement of the ventricular arrhythmia induced by domperidone. The aim of the present study was to determine the impact of the adjusted human maximal dose of domperidone, on cardiological features of Wistar rats. domperidone was administered to both 6-hydroxydopamine Parkinsonism models and regular Wistar rats. Quantitative analysis of ranges of heart beat variation showed significant abnormal distribution in both groups receiving domperidone as compared with respective sham counterparts. However, qualitative analysis of Poincaré plots showed that 6-hydroxydopamine Parkinsonism models receiving domperidone had the narrowest full range of heart beat and the worst distribution heart beat ranges as compared with all study groups corroborating with previous suggestion that domperidone administration to PD patients is likely to play a role in sudden unexpected death in this group of patients.
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Affiliation(s)
- Laís D Rodrigues
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil.
| | - Leandro F Oliveira
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil.
| | - Lucas Shinoda
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil
| | - Carla A Scorza
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil
| | - Jean Faber
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil
| | - Henrique B Ferraz
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil
| | - Luiz R G Britto
- Laboratory of Cellular Neurobiology, Department of Physiology and Biophysics -University of São Paulo, São Paulo, Brazil
| | - Fulvio A Scorza
- Department of Neurology and Neurosurgery, UNIFESP/EPM, São Paulo, Brazil
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Brudek T. Inflammatory Bowel Diseases and Parkinson's Disease. JOURNAL OF PARKINSON'S DISEASE 2019; 9:S331-S344. [PMID: 31609699 PMCID: PMC6839501 DOI: 10.3233/jpd-191729] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Accepted: 09/20/2019] [Indexed: 12/19/2022]
Abstract
The etiology of Parkinson's disease (PD) is multifactorial, with genetics, aging, and environmental agents all a part of the PD pathogenesis. Widespread aggregation of the α-synuclein protein in the form of Lewy bodies and Lewy neurites, and degeneration of substantia nigra dopamine neurons are the pathological hallmarks of PD. Inflammatory responses manifested by glial reactions, T cell infiltration, and increased expression of inflammatory cytokines, as well as other toxic mediators derived from activated glial cells, are currently recognized as prominent features of PD. Experimental, clinical and epidemiological data suggest that intestinal inflammation contributes to the pathogenesis of PD, and the increasing number of studies suggests that the condition may start in the gastrointestinal system years before any motor symptoms develop. Patients with inflammatory bowel disease (IBD) have a higher risk of developing PD compared with non-IBD individuals. Gene association study has found a genetic link between IBD and PD, and an evidence from animal studies suggests that gut inflammation, similar to that observed in IBD, may induce loss of dopaminergic neurons. Based on preclinical models of PD, it is suggested that the enteric microbiome changes early in PD, and gut infections trigger α-synuclein release and aggregation. In this paper, the possible link between IBD and PD is reviewed based on the available literature. Given the potentially critical role of gastrointestinal pathology in PD pathogenesis, there is reason to suspect that IBD or its treatments may impact PD risk. Thus, clinicians should be aware of PD symptoms in IBD patients.
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Affiliation(s)
- Tomasz Brudek
- Research Laboratory for Stereology and Neuroscience, Copenhagen University Hospital, Bispebjerg-Frederiksberg Hospital, Copenhagen, Denmark
- Copenhagen Center for Translational Research, Copenhagen University Hospital, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark
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Khan AU, Akram M, Daniyal M, Zainab R. Awareness and current knowledge of Parkinson’s disease: a neurodegenerative disorder. Int J Neurosci 2018; 129:55-93. [DOI: 10.1080/00207454.2018.1486837] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Asmat Ullah Khan
- Department of Pharmacology, Laboratory of Neuroanatomy and Neuropsychobiology, Ribeirão Preto Medical School of the University of São Paulo (FMRP-USP), São Paulo, Brazil
- Department of Eastern Medicine and Surgery, School of Medical and Health Sciences, The University of Poonch Rawalakot, Rawalakot, Pakistan
| | - Muhammad Akram
- Department of Eastern Medicine and Surgery, Directorate of Medical Sciences, Old Campus, Allama Iqbal Road, Government College University, Faisalabad, Pakistan
| | - Muhammad Daniyal
- TCM and Ethnomedicine Innovation and Development Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, China
- College of Biology, Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, State Key Laboratory of Hunan University, Changsha, China
| | - Rida Zainab
- Department of Eastern Medicine and Surgery, Directorate of Medical Sciences, Old Campus, Allama Iqbal Road, Government College University, Faisalabad, Pakistan
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Pavy-Le Traon A, Cotterill N, Amarenco G, Duerr S, Kaufmann H, Lahrmann H, Tison F, Wenning GK, Goetz CG, Poewe W, Sampaio C, Schrag A, Rascol O, Martinez-Martin P, Stebbins GT. Clinical Rating Scales for Urinary Symptoms in Parkinson Disease: Critique and Recommendations. Mov Disord Clin Pract 2018; 5:479-491. [PMID: 30515437 DOI: 10.1002/mdc3.12636] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 03/12/2018] [Accepted: 04/15/2018] [Indexed: 12/18/2022] Open
Abstract
Background The prevalence of lower urinary tract symptoms (LUTS) is high in Parkinson's disease (PD). These problems negatively affect quality of life and include both storage and voiding problems. The International Parkinson and Movement Disorder Society established a task force to review clinical rating scales/questionnaires for the assessment of urinary symptoms in PD. Methods According to prespecified criteria, these scales/questionnaires were classified as "Recommended" or "Recommended with caveats" when clinimetric properties were satisfactory for Recommended status but had not been assessed specifically in PD, "Suggested" or "Listed." These assessments were applied to rate scales as screening tools for the diagnosis of LUTS and for the rating of symptom severity. Results Among scales that included LUTS but focused on overall autonomic or non-motor symptoms in PD, no scale reached the clinimetric rigor to be designated as Recommended or Recommended with caveats, but some were Suggested for either diagnostic screening tools or severity measures. Among primary urological scales, most are well validated in urological setting, but none was validated specifically in PD. DAN-PSS (Danish PSS), ICIQ (International Consultation for Incontinence Questionnaire)-MLUTS (Male Lower Urinary Tract Symptoms), OABq, OABq-SF (ICIQ-OABqol), OAB-V8 (as screening tool), and OABSS (OAB Symptom Score) met criteria for Recommended with caveats. Conclusion The Task Force does not recommend the development of a new scale. However, all above-mentioned questionnaires need to be studied further and specifically validated in PD.
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Affiliation(s)
- Anne Pavy-Le Traon
- French Reference Center for MSA, Department of Neurology University Hospital of Toulouse France
- Institute of Cardiovascular and Metabolic Diseases (I2MC-UMR1048) Toulouse France
| | - Nikki Cotterill
- Bristol Urological Institute, Southmead Hospital Westbury-on-Trym Bristol United Kingdom
| | - Gerard Amarenco
- Neuro-Urology Department Hôpital Tenon, and GRC01 UPMC Paris France
| | - Susanne Duerr
- Department of Neurology University Hospital Innsbruck Austria
| | | | | | - François Tison
- Institute for Neurodegenerative Diseases, University of Bordeaux University Hospital of Bordeaux Bordeaux France
| | | | - Christopher G Goetz
- Department of Neurological Services Rush University School of Medicine Chicago IL USA
| | - Werner Poewe
- Department of Neurology University Hospital Innsbruck Austria
| | - Cristina Sampaio
- Laboratory of Clinical Pharmacology and Therapeutics Lisbon School of Medicine Lisbon Portugal
| | - Anette Schrag
- Department of Clinical Neurosciences, Royal Free Hospital University College London London United Kingdom
| | - Olivier Rascol
- French Reference Center for MSA, Department of Neurology University Hospital of Toulouse France
- Laboratoire de Pharmacologie Médicale et Clinique Toulouse France
| | - Pablo Martinez-Martin
- National Center of Epidemiology and CIBERNED Carlos III Institute of Health Madrid Spain
| | - Glenn T Stebbins
- Department of Neurological Services Rush University School of Medicine Chicago IL USA
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Parkinson's Disease and Current Treatments for Its Gastrointestinal Neurogastromotility Effects. ACTA ACUST UNITED AC 2018; 16:489-510. [PMID: 30361854 DOI: 10.1007/s11938-018-0201-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW Gastrointestinal disturbances are seen in nearly all patients with Parkinson's disease and lead to impaired quality of life, affect drug pharmacodynamics, and potentially worsen patient's existing motor fluctuations, leading to further disability. Recent evidence links abnormal accumulations of α-synuclein aggregates in the periphery (gut) as seen in the cortex which causes dysfunctions impacting every level of the gastrointestinal tract from the esophagus, to the stomach, small bowel, colon, and rectum and can even predate the onset of the central neurologic disorder itself. Many treatments exist for the clinical phenotypes that result from the autonomic dysfunction and neuropathy involved in this neurodegenerative disorder. The treatments for the gut dysfunction seen in Parkinson's disease (PD) depend on the specific area of the gastrointestinal tract affected. For dysphagia, behavioral therapies with speech pathology, neuromuscular electrical stimulation, or botulinum toxin injection may be helpful. For gastroparesis, domperidone may serve as an antiemetic while also blunting the hypotensive potential of Levodopa while new treatments such as ghrelin agonists may prove beneficial to help appetite, satiety, gastric emptying in those with constipation, and even improve constipation. Antibiotics such as rifaximin with poor systemic absorption may be used to treat small bacterial overgrowth also found in those with PD while the benefits of probiotics is yet to be determined. Finally, constipation in PD can be a reflection of pelvic floor dyssynergia, slow transit constipation, or both, thus treatments targeting the specific anorectal dysfunction is necessary for better outcomes.
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Pedrosa Carrasco AJ, Timmermann L, Pedrosa DJ. Management of constipation in patients with Parkinson's disease. NPJ Parkinsons Dis 2018; 4:6. [PMID: 29560414 PMCID: PMC5856748 DOI: 10.1038/s41531-018-0042-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 01/30/2018] [Accepted: 02/06/2018] [Indexed: 12/13/2022] Open
Abstract
A considerable body of research has recently emerged around nonmotor symptoms in Parkinson's disease (PD) and their substantial impact on patients' well-being. A prominent example is constipation which occurs in up to two thirds of all PD-patients thereby effecting psychological and social distress and consequently reducing quality of life. Despite the significant clinical relevance of constipation, unfortunately little knowledge exists on effective treatments. Therefore this systematic review aims at providing a synopsis on clinical effects and safety of available treatment options for constipation in PD. For this purpose, three electronic databases (MEDLINE, EMBASE, PsycINFO) were searched for experimental and quasi-experimental studies investigating the efficacy/effectiveness of interventions in the management of PD-associated constipation. Besides, adverse events were analyzed as secondary outcome. In total, 18 publications were identified involving 15 different interventions, of which none can be attributed sufficient evidence to derive strong recommendations. Nevertheless, some evidence indicates that dietetic interventions with probiotics and prebiotics may reduce symptom burden while providing a very favorable side-effects profile. Furthermore, the use of lubiprostone, macrogol and in the specific case of isolated or prominent outlet obstruction constipation injections of botulinum neurotoxin A into the puborectal muscles may as well be moderately supported. In summary, too little attention has been paid to treatment options for constipation in PD leaving abundant room for further research addressing this topic.
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Affiliation(s)
- Anna J. Pedrosa Carrasco
- Sir Michael Sobell House, Oxford University Hospitals, Oxford, UK
- King’s College London, Cicely Saunders Institute, Department of Palliative Care, Policy and Rehabilitation, London, UK
- Department of Internal Medicine V, University Hospital of Gießen and Marburg, Gießen, Germany
| | - Lars Timmermann
- Department of Neurology, University Hospital of Gießen and Marburg, Marburg, Germany
| | - David J. Pedrosa
- Department of Neurology, University Hospital of Gießen and Marburg, Marburg, Germany
- Department of Psychiatry, University Hospital of Gießen and Marburg, Marburg, Germany
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Smith LM, Parr-Brownlie LC. A neuroscience perspective of the gut theory of Parkinson's disease. Eur J Neurosci 2018; 49:817-823. [DOI: 10.1111/ejn.13869] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 01/31/2018] [Accepted: 02/09/2018] [Indexed: 12/30/2022]
Affiliation(s)
- Lisa M. Smith
- Department of Anatomy; Brain Health Research Centre, and Brain Research New Zealand; University of Otago; PO Box 913 Dunedin 9054 New Zealand
| | - Louise C. Parr-Brownlie
- Department of Anatomy; Brain Health Research Centre, and Brain Research New Zealand; University of Otago; PO Box 913 Dunedin 9054 New Zealand
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Sharma A, Kurek J, Morgan JC, Wakade C, Rao SSC. Constipation in Parkinson's Disease: a Nuisance or Nuanced Answer to the Pathophysiological Puzzle? Curr Gastroenterol Rep 2018; 20:1. [PMID: 29350301 DOI: 10.1007/s11894-018-0609-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Chronic constipation is a common, nonmotor, and prodromal symptom in Parkinson's disease (PD). Its underlying neuropathology may provide pathophysiological insight into PD. Here, we critically review what is currently known about the neuroanatomical and brain-gut interactions, and the origin and progression of Lewy pathology (LP) at three levels-brain/brainstem, spinal cord, and enteric nervous system. RECENT FINDINGS Many recent studies have illustrated the challenges of examining LP in tissues obtained from colon biopsies of PD patients. Large-scale epidemiological studies have not confirmed the widely accepted Braakpostula. In this review, we propose an alternative origin and route of spread of LP in PD. We describe novel, noninvasive neurophysiological testing that could advance the understanding of LP and complex bidirectional brain-pelvic floor neural pathways in PD-a true disease model of a neurogastrointestinal disorder. This review may provide the impetus for future studies investigating gut and brain interaction and constipation in PD.
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Affiliation(s)
- Amol Sharma
- Division of Gastroenterology/Hepatology, Medical College of Georgia, Augusta University Medical Center, 1120 15th Street, AD-2226, Augusta, GA, 30912, USA.
| | - Julie Kurek
- Parkinson's Foundation Center of Excellence, Movement Disorders Program, Department of Neurology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - John C Morgan
- Parkinson's Foundation Center of Excellence, Movement Disorders Program, Department of Neurology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Chandramohan Wakade
- Department of Physical Therapy, College of Allied Health Sciences, Augusta University & Charlie Norwood VAMC, Augusta, GA, USA
| | - Satish S C Rao
- Division of Gastroenterology/Hepatology, Medical College of Georgia, Augusta University Medical Center, 1120 15th Street, AD-2226, Augusta, GA, 30912, USA
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Wollmer E, Klein S. A review of patient-specific gastrointestinal parameters as a platform for developing in vitro models for predicting the in vivo performance of oral dosage forms in patients with Parkinson’s disease. Int J Pharm 2017; 533:298-314. [DOI: 10.1016/j.ijpharm.2017.08.126] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 08/25/2017] [Accepted: 08/31/2017] [Indexed: 02/06/2023]
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Pflug C, Bihler M, Emich K, Niessen A, Nienstedt JC, Flügel T, Koseki JC, Plaetke R, Hidding U, Gerloff C, Buhmann C. Critical Dysphagia is Common in Parkinson Disease and Occurs Even in Early Stages: A Prospective Cohort Study. Dysphagia 2017; 33:41-50. [PMID: 28828545 DOI: 10.1007/s00455-017-9831-1] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 07/29/2017] [Indexed: 01/20/2023]
Abstract
To assess the prevalence of dysphagia and its typical findings in unselected "real-world" Parkinson patients using an objective gold-standard method. This was a prospective, controlled, cross-sectional study conducted in 119 consecutive Parkinson patients of all stages independent of subjective dysphagia. Patients and 32 controls were clinically and endoscopically examined by flexible endoscopic evaluation of swallowing (FEES) to evaluate the deglutition with regard to three consistencies (water, biscuit, and bread). Typical findings of dysphagia like penetration and aspiration, residues, and leakage were assessed. Dysphagia was common in Parkinson patients and occurred in all, even early, disease stages. Only 5% (6/119) of patients showed a completely unremarkable deglutition. Aspiration was seen in 25% (30/119) of patients and always related to water. Residues occurred in 93% (111/119), most commonly for bread. Leakage was much less frequent and was found in only 3-18%, depending on consistency. In a significant fraction of patients, objective dysphagia was not subjectively perceived. A total of 16% of asymptomatic patients suffered from critical aspiration. Significant swallowing deficiencies already occurred in early disease. Aspiration was found in 4 of 20 (20%) patients with disease duration of less than 2 years. Seven of 57 patients (12%) with Hoehn and Yahr stage 2 suffered from severe aspiration. Given the high frequency of critical aspiration in Parkinson disease, these patients should be evaluated early for dysphagia to avoid complications and recommend an adequate therapy. FEES is a simple, cost efficient, minimally invasive method that is ideally suited for this purpose.
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Affiliation(s)
- Christina Pflug
- Department of Voice, Speech and Hearing Disorders, Center for Clinical Neurosciences, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany.
| | - Moritz Bihler
- Department of Neurology, Center for Clinical Neurosciences, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Katharina Emich
- Department of Neurology, Center for Clinical Neurosciences, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Almut Niessen
- Department of Voice, Speech and Hearing Disorders, Center for Clinical Neurosciences, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany
| | - Julie Cläre Nienstedt
- Department of Voice, Speech and Hearing Disorders, Center for Clinical Neurosciences, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany
| | - Till Flügel
- Department of Voice, Speech and Hearing Disorders, Center for Clinical Neurosciences, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany
| | - Jana-Christiane Koseki
- Department of Voice, Speech and Hearing Disorders, Center for Clinical Neurosciences, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany
| | - Rosemarie Plaetke
- Institute of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ute Hidding
- Department of Neurology, Center for Clinical Neurosciences, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christian Gerloff
- Department of Neurology, Center for Clinical Neurosciences, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Carsten Buhmann
- Department of Neurology, Center for Clinical Neurosciences, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Evolution of Orofacial Symptoms and Disease Progression in Idiopathic Parkinson's Disease: Longitudinal Data from the Jönköping Parkinson Registry. PARKINSONS DISEASE 2017; 2017:7802819. [PMID: 28798882 PMCID: PMC5534316 DOI: 10.1155/2017/7802819] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Accepted: 06/08/2017] [Indexed: 02/08/2023]
Abstract
BACKGROUND Orofacial symptoms are common in Parkinson's disease (PD) both as initial manifestations and late markers of disease complications. We aimed to investigate the evolution of orofacial manifestations and their prognostic value throughout PD progression. METHODS Data was obtained from "Jönköping Parkinson Registry" database on routine care visits of 314 people with idiopathic PD in southern Sweden. Information on baseline symptomatology, orofacial features, UPDRS, and medications was recorded at baseline and during each follow-up visit within an average of 4.2 (range: 1-12) years. RESULTS Hypomimia, affected speech, drooling, and impaired swallowing were present in 37.3%/91.6%, 14.1%/65.5%, 11.7%/55.3%, and 10.2%/34.5% at baseline/follow-up, respectively. Male sex [OR = 2.4 (95% CI: 1.0-5.9)], UPDRS motor scores [OR = 1.2 (95% CI: 1.1-1.3)], dominant rigidity [OR = 5.2 (95% CI: 1.4-19.1)], and autonomic disturbance [OR = 3.4 (95% CI: 1.1-10.9)] were risk factors for drooling. Individuals with more severe orofacial burden at baseline had shorter median time to develop UPDRS-Part III > 28 [3rd tertile = 4.7 yr, 2nd tertile = 6.2 yr, and 1st tertile = 7.8 yr; p = 0.014]. CONCLUSIONS Majority of people with PD manifest orofacial manifestations at either early or late stages of the disease. PD severity, symmetry of motor disturbances, and autonomic disorders correlate with orofacial symptoms. Individuals with more severe orofacial burden at baseline progressed faster to more advanced stages.
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Song N, Wang W, Jia F, Du X, Xie A, He Q, Shen X, Zhang J, Rogers JT, Xie J, Jiang H. Assessments of plasma ghrelin levels in the early stages of parkinson's disease. Mov Disord 2017; 32:1487-1491. [PMID: 28681931 DOI: 10.1002/mds.27095] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 06/05/2017] [Accepted: 06/07/2017] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Gastrointestinal symptoms are early events in Parkinson's disease (PD). The gastrointestinal hormone ghrelin was neuroprotective in the nigrostriatal dopamine system. The objective of this study was to assess ghrelin levels in the early stages of PD. METHODS Plasma was collected in the fasting state in 291 PD patients in stages 1-3 and 303 age- and sex-matched healthy controls. Additional samples were taken in the glucose response test to assess nutrition-related ghrelin levels in 20 PD patients and 20 healthy controls. The enzyme-linked immunosorbent assay was used to measure total and active plasma ghrelin levels. RESULTS We reported that total and active plasma ghrelin levels were decreased in PD, although there was no difference across progressive PD stages. Postprandial ghrelin suppression and preprandial peak responses were both attenuated in PD. CONCLUSIONS Plasma ghrelin levels were decreased in PD; however, this event might be irrelevant to PD progression. Ghrelin responses to meals were also impaired in PD. © 2017 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Ning Song
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Weiwei Wang
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Fengjv Jia
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Xixun Du
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Anmu Xie
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China.,Department of Neurology, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Qing He
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Xiaoli Shen
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Jing Zhang
- Department of Pathology, University of Washington School of Medicine, Seattle, Washington, USA
| | - Jack T Rogers
- Neurochemistry Laboratory, Department of Psychiatry-Neuroscience, Massachusetts General Hospital (East), Harvard Medical School, Charlestown, Masssachusetts, USA
| | - Junxia Xie
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Hong Jiang
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
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Rodríguez-Violante M, de Saráchaga AJ, Cervantes-Arriaga A, Davila-Avila NM, Carreón-Bautista E, Estrada-Bellmann I, Parra-López G, Cruz-Fino D, Pascasio-Astudillo F. Premotor symptoms and the risk of Parkinson's disease: A case-control study in Mexican population. Clin Neurol Neurosurg 2017. [PMID: 28644969 DOI: 10.1016/j.clineuro.2017.06.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To assess the prevalence of pre-motor symptoms and estimate the risk for developing Parkinson's disease in Mexican population. PATIENTS AND METHODS A case-control study was carried out with consecutive subjects with Parkinson's disease from two different referral centers in Mexico. Gender- and age-matched controls were randomly selected from the participating hospitals. All subjects were assessed using a structured questionnaire for the assessment of pre-motor symptoms (hyposmia, depression, anxiety, constipation, and sleep disorders). Odds ratios (OR) were calculated using logistic regression analysis. RESULTS A total of 430 subjects with PD and 430 healthy subjects were included. Premotor symptoms prevalence was 77.7% (n=334) for the PD group, compared to 41.3% (n=178) in the control group (p<0.001). After logistic multivariate analysis, previous history of hyposmia (OR 2.02 [95% CI 1.33-3.06]), depression (OR 2.52 [95% CI 1.67-3.84]), anxiety (OR 4.37 [95% CI 2.73-6.98]) and sleep disorders (OR 2.03 [95% CI 1.41-2.93]) were independently associated with Parkinson's disease. Overall prediction success of the model was 81.2% for controls and 61.2% for subjects with PD. CONCLUSION All five premotor symptoms assessed were more commonly reported in PD subjects than healthy controls. The presence of non-motor symptoms yield a prediction success of 71.2% to discriminate between PD subjects and healthy controls.
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Affiliation(s)
- Mayela Rodríguez-Violante
- Clinical Neurodegenerative Research Unit, National Institute of Neurology and Neurosurgery, Mexico City, Mexico; Movement Disorder Clinic, National Institute of Neurology and Neurosurgery, Mexico City, Mexico.
| | - Adib Jorge de Saráchaga
- Clinical Neurodegenerative Research Unit, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | - Amin Cervantes-Arriaga
- Clinical Neurodegenerative Research Unit, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | - Ned Merari Davila-Avila
- Clinical Neurodegenerative Research Unit, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | - Edith Carreón-Bautista
- Clinical Neurodegenerative Research Unit, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | | | - Guillermo Parra-López
- Clinical Neurodegenerative Research Unit, National Institute of Neurology and Neurosurgery, Mexico City, Mexico; Movement Disorder Clinic, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | - Diego Cruz-Fino
- Clinical Neurodegenerative Research Unit, National Institute of Neurology and Neurosurgery, Mexico City, Mexico; Movement Disorder Clinic, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
| | - Francisco Pascasio-Astudillo
- Clinical Neurodegenerative Research Unit, National Institute of Neurology and Neurosurgery, Mexico City, Mexico; Movement Disorder Clinic, National Institute of Neurology and Neurosurgery, Mexico City, Mexico
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Yuruyen M, Gokturk A, Yavuzer H, Döventas A, Erdincler DS. Applied botulinum neurotoxin injection in a patient with dementia to reduce hypersalivation. Geriatr Gerontol Int 2017. [DOI: 10.1111/ggi.12994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mehmet Yuruyen
- Istanbul University Cerrahpasa School of Medicine; Department of Internal Medicine, Division of Geriatrics; Istanbul Turkey
| | - Aycan Gokturk
- Istanbul University Cerrahpasa School of Medicine; Department of Internal Medicine, Division of Geriatrics; Istanbul Turkey
| | - Hakan Yavuzer
- Istanbul University Cerrahpasa School of Medicine; Department of Internal Medicine, Division of Geriatrics; Istanbul Turkey
| | - Alper Döventas
- Istanbul University Cerrahpasa School of Medicine; Department of Internal Medicine, Division of Geriatrics; Istanbul Turkey
| | - Deniz Suna Erdincler
- Istanbul University Cerrahpasa School of Medicine; Department of Internal Medicine, Division of Geriatrics; Istanbul Turkey
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48
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A practical review of gastrointestinal manifestations in Parkinson's disease. Parkinsonism Relat Disord 2017; 39:17-26. [DOI: 10.1016/j.parkreldis.2017.02.029] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 02/06/2017] [Accepted: 02/21/2017] [Indexed: 02/06/2023]
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Martinez-Martin P, Rodriguez-Blazquez C, Forjaz MJ, Kurtis MM, Skorvanek M. Measurement of Nonmotor Symptoms in Clinical Practice. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2017; 133:291-345. [PMID: 28802923 DOI: 10.1016/bs.irn.2017.04.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nonmotor symptoms constitute a prominent part of Parkinson's disease manifestations. They are present since the first phases of the disease, increase their number and severity with disease progression, and importantly impact on patients' health and quality of life, caregivers' burden, and social resources. Research on Parkinson's disease has traditionally focused on the motor aspects of the disease, but an increasing interest in the nonmotor manifestations has risen in the past decade. The availability of assessment instruments for detecting and measuring these symptoms has allowed understanding of their importance and course over time, as well as estimation of therapeutic effects on them. In this chapter, a review of the basic characteristics of nonmotor symptom assessments used in clinical practice and research are presented.
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Affiliation(s)
- Pablo Martinez-Martin
- National Center of Epidemiology and CIBERNED, Institute of Health Carlos III, Madrid, Spain.
| | | | - Maria João Forjaz
- National School of Public Health and REDISSEC, Institute of Health Carlos III, Madrid, Spain
| | - Monica M Kurtis
- Movement Disorders Unit, Hospital Ruber Internacional, Madrid, Spain
| | - Matej Skorvanek
- P.J. Safarik University, Kosice, Slovakia; University Hospital of L. Pasteur, Kosice, Slovakia
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The gut-brain axis: is intestinal inflammation a silent driver of Parkinson's disease pathogenesis? NPJ PARKINSONS DISEASE 2017. [PMID: 28649603 PMCID: PMC5445611 DOI: 10.1038/s41531-016-0002-0] [Citation(s) in RCA: 336] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The state of the intestinal environment can have profound effects on the activity of the central nervous system through the physiological contributions of the microbiota, regulation of intestinal barrier function, and altered activity of peripheral neurons. The common language employed for much of the gut-brain communication is the modulation of immune activity. Chronic proinflammatory immune activity is increasingly being recognized as a fundamental element of neurodegenerative disorders, and in Parkinson's disease, inflammation in the intestine appears particularly relevant in pathogenesis. We review the evidence that intestinal dysfunction is present in Parkinson's disease and that it may reflect the earliest manifestations of Parkinson's disease pathology, and we link these findings to dysregulated immune activity. Based on this, we present a model for Parkinson's disease pathogenesis in which the disorder originates in the intestine and progresses with inflammation as its underlying mechanism. More in-depth investigations into the physiological mechanisms underlying peripheral pre-motor symptoms in Parkinson's disease are expected to lead to the development of novel diagnostic and therapeutic measures that can slow or limit progression of the disease to more advanced stages involving debilitating motor and cognitive symptoms.
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