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Seelarbokus BA, Menozzi E, Schapira AHV, Kalea AZ, Macnaughtan J. Mediterranean Diet Adherence, Gut Microbiota and Parkinson's Disease: A Systematic Review. Nutrients 2024; 16:2181. [PMID: 39064625 PMCID: PMC11280252 DOI: 10.3390/nu16142181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 06/28/2024] [Accepted: 07/02/2024] [Indexed: 07/28/2024] Open
Abstract
BACKGROUND There is mounting evidence to suggest that high adherence to the Mediterranean diet (MedDiet) may reduce the risk of age-related diseases, including Parkinson's disease (PD). However, evidence for the role of the MedDiet in the relief of motor and non-motor symptoms in patients with PD remains limited and inconclusive. We provide a systematic review of the effects of the MedDiet on the clinical features of PD using data from randomised controlled trials (RCT) and prospective observational studies. METHODS We searched MEDLINE, EMCare, EMBASE, Scopus and PubMed from inception until June 2023. Reference lists and the grey literature were also searched. Human studies with no restriction on language or publication date, examining associations between MedDiet adherence and the symptoms of PD, were included. We employed standard methodological procedures for data extraction and evidence synthesis and used the Quality Criteria Checklist for assessing the studies included. RESULTS Four studies from three unique cohorts, including two observational studies (n = 1213) and one RCT (n = 70), met the inclusion criteria. Despite the short study duration reported in all included reports, high MedDiet adherence was associated with changes in the gut microbiota (e.g., increased abundance of short-chain fatty acids producers). These outcomes correlated with a significant improvement in several non-motor symptoms including cognitive dysfunction, dyspepsia and constipation. However, there were no significant changes in diarrhoea, gastrointestinal reflux, abdominal pain and motor symptoms. CONCLUSION High MedDiet adherence may be associated with significant improvement in global cognition and several gastrointestinal symptoms, possibly associated to changes in gut microbiota composition. Further studies are warranted to clarify potential cause-and-effect relationships and to elucidate MedDiet impact on motor symptoms.
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Affiliation(s)
- Bibi Aliya Seelarbokus
- Division of Medicine, University College London (UCL), London WC1E 6JF, UK; (B.A.S.); (A.H.V.S.)
| | - Elisa Menozzi
- Division of Medicine, University College London (UCL), London WC1E 6JF, UK; (B.A.S.); (A.H.V.S.)
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London WC1N 3BG, UK
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD 20815, USA
| | - Anthony H. V. Schapira
- Division of Medicine, University College London (UCL), London WC1E 6JF, UK; (B.A.S.); (A.H.V.S.)
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London WC1N 3BG, UK
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD 20815, USA
| | - Anastasia Z. Kalea
- Division of Medicine, University College London (UCL), London WC1E 6JF, UK; (B.A.S.); (A.H.V.S.)
| | - Jane Macnaughtan
- Institute for Liver and Digestive Health, University College London, Royal Free Campus, London WC1E 6JF, UK
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Kula J, Kuter KZ. MUFA synthesis and stearoyl-CoA desaturase as a new pharmacological target for modulation of lipid and alpha-synuclein interaction against Parkinson's disease synucleinopathy. Neuropharmacology 2024; 249:109865. [PMID: 38342377 DOI: 10.1016/j.neuropharm.2024.109865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/25/2024] [Accepted: 02/02/2024] [Indexed: 02/13/2024]
Abstract
Protein pathology spreading within the nervous system, accompanies neurodegeneration and a spectrum of motor and cognitive dysfunctions. Currently available therapies against Parkinson's disease and other synucleinopathies are mostly symptomatic and fail to slow the disease progression in the long term. Modification of α-synuclein (αS) aggregation and toxicity of its pathogenic forms is one of the main goals in neuroprotective approach. Since the discovery of lipid component of Lewy bodies, fatty acids became a crucial, yet little explored target for research. MUFAs (monounsaturated fatty acids) are substrates for lipids, such as phospholipids, triglycerides and cholesteryl esters. They regulate membrane fluidity, take part in signal transduction, cellular differentiation and other fundamental processes. αS and MUFA interactions are essential for Lewy body pathology. αS increases levels of MUFAs, mainly oleic acid, which in turn can enhance αS toxicity and aggregation. Thus, reduction of MUFAs synthesis by inhibition of stearoyl-CoA desaturase (SCD) activity could be the new way to prevent aggravation of αS pathology. Due to the limited distribution in peripheral tissues, SCD5 is a potential target in novel therapies and therefore could be an important starting point in search for disease-modifying neuroprotective therapy. Here we summarize facts about physiology and pathology of αS, explain recently discovered lipid-αS interactions, review SCD function and involved mechanisms, present available SCD inhibitors and discuss their pharmacological potential in disease management. Modulation of MUFA synthesis, decreasing αS and lipid toxicity is clearly essential, but unexplored avenue in pharmacotherapy of Parkinson's disease and synucleinopathies.
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Affiliation(s)
- Joanna Kula
- Department of Neuropsychopharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna St., 31-343 Krakow, Poland.
| | - Katarzyna Z Kuter
- Department of Neuropsychopharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna St., 31-343 Krakow, Poland.
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Fujita T, Iwaki M, Hatono Y. The role of nurses for patients with Parkinson's disease at home: a scoping review. BMC Nurs 2024; 23:318. [PMID: 38730392 PMCID: PMC11088224 DOI: 10.1186/s12912-024-01931-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 04/10/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Parkinson's disease is a neurodegenerative disease, and many patients are cared for at home by nurses. Parkinson's disease nurse specialists have been certified in several countries. This study aimed to provide an overview of what is known about the role of nurses in the care of patients with Parkinson's disease at home and to determine the differences between nurses and Parkinson's disease nurse specialists. METHODS A scoping review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews guidelines. PubMed, Scopus, Web of Science, and Cumulative Index to Nursing and Allied Health Literature were searched (keywords: Parkinson's disease AND nurse AND [community OR home]) for studies published in English up to September 2023 describing the nurse's role in caring for patients with Parkinson's disease at home. Studies without abstracts were removed, along with protocols, systematic reviews, and studies concerned with other diseases or including data that were difficult to distinguish from those of other diseases. Roles were described and organized by category. RESULTS A total of 26 studies were included. The nurses' roles were categorized as overall assessment and support, treatment management, safety assessment regarding falls, care for non-motor symptoms, palliative care, support for caregivers, education for care home staff, multidisciplinary collaboration, and provision of information on social resources. Medication management and education of care home staff were identified as roles of nurse specialists. CONCLUSIONS This study revealed the role of nurses caring for patients with Parkinson's disease at home. Because of the complexity of the patients' medication regimens, nurse specialists provide assistance, especially with medication management and the provision of education to care staff. This study will facilitate the preparation of nurses to acquire the knowledge and skills necessary to help patients with Parkinson's disease, even in countries where Parkinson's disease nurse specialists are not officially certified, and will help patients feel comfortable with the care they receive.
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Affiliation(s)
- Takako Fujita
- Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, 812-8582, Fukuoka, Japan.
| | - Miho Iwaki
- Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, 812-8582, Fukuoka, Japan
| | - Yoko Hatono
- Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, 812-8582, Fukuoka, Japan
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Aziz N, Wal P, Patel A, Prajapati H. A comprehensive review on the pharmacological role of gut microbiome in neurodegenerative disorders: potential therapeutic targets. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03109-4. [PMID: 38734839 DOI: 10.1007/s00210-024-03109-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 04/17/2024] [Indexed: 05/13/2024]
Abstract
Neurological disorders, including Alzheimer and Parkinson's, pose significant challenges to public health due to their complex etiologies and limited treatment options. Recent advances in research have highlighted the intricate bidirectional communication between the gut microbiome and the central nervous system (CNS), revealing a potential therapeutic avenue for neurological disorders. Thus, this review aims to summarize the current understanding of the pharmacological role of gut microbiome in neurological disorders. Mounting evidence suggests that the gut microbiome plays a crucial role in modulating CNS function through various mechanisms, including the production of neurotransmitters, neuroactive metabolites, and immune system modulation. Dysbiosis, characterized by alterations in gut microbial composition and function, has been observed in many neurological disorders, indicating a potential causative or contributory role. Pharmacological interventions targeting the gut microbiome have emerged as promising therapeutic strategies for neurological disorders. Probiotics, prebiotics, antibiotics, and microbial metabolite-based interventions have shown beneficial effects in animal models and some human studies. These interventions aim to restore microbial homeostasis, enhance microbial diversity, and promote the production of beneficial metabolites. However, several challenges remain, including the need for standardized protocols, identification of specific microbial signatures associated with different neurological disorders, and understanding the precise mechanisms underlying gut-brain communication. Further research is necessary to unravel the intricate interactions between the gut microbiome and the CNS and to develop targeted pharmacological interventions for neurological disorders.
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Affiliation(s)
- Namra Aziz
- PSIT-Pranveer Singh Institute of Technology (Pharmacy), NH-19, Kanpur, UP, 209305, India
| | - Pranay Wal
- PSIT-Pranveer Singh Institute of Technology (Pharmacy), NH-19, Kanpur, UP, 209305, India.
| | - Aman Patel
- PSIT-Pranveer Singh Institute of Technology (Pharmacy), NH-19, Kanpur, UP, 209305, India
| | - Harshit Prajapati
- PSIT-Pranveer Singh Institute of Technology (Pharmacy), NH-19, Kanpur, UP, 209305, India
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Ignatyeva O, Tolyneva D, Kovalyov A, Matkava L, Terekhov M, Kashtanova D, Zagainova A, Ivanov M, Yudin V, Makarov V, Keskinov A, Kraevoy S, Yudin S. Christensenella minuta, a new candidate next-generation probiotic: current evidence and future trajectories. Front Microbiol 2024; 14:1241259. [PMID: 38274765 PMCID: PMC10808311 DOI: 10.3389/fmicb.2023.1241259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 12/26/2023] [Indexed: 01/27/2024] Open
Abstract
Background As the field of probiotic research continues to expand, new beneficial strains are being discovered. The Christensenellaceae family and its newly described member, Christensenella minuta, have been shown to offer great health benefits. We aimed to extensively review the existing literature on these microorganisms to highlight the advantages of their use as probiotics and address some of the most challenging aspects of their commercial production and potential solutions. Methods We applied a simple search algorithm using the key words "Christensenellaceae" and "Christensenella minuta" to find all articles reporting the biotherapeutic effects of these microorganisms. Only articles reporting evidence-based results were reviewed. Results The review showed that Christensenella minuta has demonstrated numerous beneficial properties and a wider range of uses than previously thought. Moreover, it has been shown to be oxygen-tolerant, which is an immense advantage in the manufacturing and production of Christensenella minuta-based biotherapeutics. The results suggest that Christensenellaceae and Christensenella munita specifically can play a crucial role in maintaining a healthy gut microbiome. Furthermore, Christensenellaceae have been associated with weight management. Preliminary studies suggest that this probiotic strain could have a positive impact on metabolic disorders like diabetes and obesity, as well as inflammatory bowel disease. Conclusion Christensenellaceae and Christensenella munita specifically offer immense health benefits and could be used in the management and therapy of a wide range of health conditions. In addition to the impressive biotherapeutic effect, Christensenella munita is oxygen-tolerant, which facilitates commercial production and storage.
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Affiliation(s)
- Olga Ignatyeva
- Centre for Strategic Planning and Management of Biomedical Health Risks, Federal Biomedical Agency, Moscow, Russia
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Ng MG, Chan BJL, Koh RY, Ng KY, Chye SM. Prevention of Parkinson's Disease: From Risk Factors to Early Interventions. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:746-760. [PMID: 37326115 DOI: 10.2174/1871527322666230616092054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 05/15/2023] [Accepted: 05/19/2023] [Indexed: 06/17/2023]
Abstract
Parkinson's disease (PD) is a debilitating neurological disorder characterized by progressively worsening motor dysfunction. Currently, available therapies merely alleviate symptoms, and there are no cures. Consequently, some researchers have now shifted their attention to identifying the modifiable risk factors of PD, with the intention of possibly implementing early interventions to prevent the development of PD. Four primary risk factors for PD are discussed including environmental factors (pesticides and heavy metals), lifestyle (physical activity and dietary intake), drug abuse, and individual comorbidities. Additionally, clinical biomarkers, neuroimaging, biochemical biomarkers, and genetic biomarkers could also help to detect prodromal PD. This review compiled available evidence that illustrates the relationship between modifiable risk factors, biomarkers, and PD. In summary, we raise the distinct possibility of preventing PD via early interventions of the modifiable risk factors and early diagnosis.
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Affiliation(s)
- Ming Guan Ng
- School of Health Science, International Medical University, 57000 Kuala Lumpur, Malaysia
| | - Brendan Jun Lam Chan
- School of Health Science, International Medical University, 57000 Kuala Lumpur, Malaysia
| | - Rhun Yian Koh
- Division of Applied Biomedical Science and Biotechnology, School of Health Science, International Medical University, Kuala Lumpur, Malaysia
| | - Khuen Yen Ng
- School of Pharmacy, Monash University, 47500 Selangor, Malaysia
| | - Soi Moi Chye
- Division of Applied Biomedical Science and Biotechnology, School of Health Science, International Medical University, Kuala Lumpur, Malaysia
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Qamar MA, Tall P, van Wamelen D, Wan YM, Rukavina K, Fieldwalker A, Matthew D, Leta V, Bannister K, Chaudhuri KR. Setting the clinical context to non-motor symptoms reflected by Park-pain, Park-sleep, and Park-autonomic subtypes of Parkinson's disease. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2023; 174:1-58. [PMID: 38341227 DOI: 10.1016/bs.irn.2023.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Non-motor symptoms (NMS) of Parkinson's disease (PD) are well described in both clinical practice and the literature, enabling their management and enhancing our understanding of PD. NMS can dominate the clinical pictures and NMS subtypes have recently been proposed, initially based on clinical observations, and later confirmed in data driven analyses of large datasets and in biomarker-based studies. In this chapter, we provide an update on what is known about three common subtypes of NMS in PD. The pain (Park-pain), sleep dysfunction (Park-sleep), and autonomic dysfunction (Park-autonomic), providing an overview of their individual classification, clinical manifestation, pathophysiology, diagnosis, and potential treatments.
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Affiliation(s)
- Mubasher A Qamar
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom.
| | - Phoebe Tall
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom
| | - Daniel van Wamelen
- Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom; Department of Neuroimaging, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom; Radboud University Medical Center, Donders Institute for Brain, Cognition and Behaviour, Department of Neurology, Centre of Expertise for Parkinson & Movement Disorders, Nijmegen, The Netherlands
| | - Yi Min Wan
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom; Department of Psychiatry, Ng Teng Fong General Hospital, Singapore, Singapore
| | - Katarina Rukavina
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom
| | - Anna Fieldwalker
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Central Modulation of Pain Lab, Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Donna Matthew
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom
| | - Valentina Leta
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom; Department of Clinical Neurosciences, Parkinson, and Movement Disorders Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Kirsty Bannister
- Central Modulation of Pain Lab, Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - K Ray Chaudhuri
- Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom; Parkinson's Foundation Centre of Excellence and Department of Neurology and Neurosciences, King's College Hospital NHS Trust, London, United Kingdom
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Thomasi B, Valdetaro L, Ricciardi MC, Gonçalves de Carvalho M, Fialho Tavares I, Tavares-Gomes AL. Enteric glia as a player of gut-brain interactions during Parkinson's disease. Front Neurosci 2023; 17:1281710. [PMID: 38027511 PMCID: PMC10644407 DOI: 10.3389/fnins.2023.1281710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/10/2023] [Indexed: 12/01/2023] Open
Abstract
The enteric glia has been shown as a potential component of neuroimmune interactions that signal in the gut-brain axis during Parkinson's disease (PD). Enteric glia are a peripheral glial type found in the enteric nervous system (ENS) that, associated with enteric neurons, command various gastrointestinal (GI) functions. They are a unique cell type, with distinct phenotypes and distribution in the gut layers, which establish relevant neuroimmune modulation and regulate neuronal function. Comprehension of enteric glial roles during prodromal and symptomatic phases of PD should be a priority in neurogastroenterology research, as the reactive enteric glial profile, gastrointestinal dysfunction, and colonic inflammation have been verified during the prodromal phase of PD-a moment that may be interesting for interventions. In this review, we explore the mechanisms that should govern enteric glial signaling through the gut-brain axis to understand pathological events and verify the possible windows and pathways for therapeutic intervention. Enteric glia directly modulate several functional aspects of the intestine, such as motility, visceral sensory signaling, and immune polarization, key GI processes found deregulated in patients with PD. The search for glial biomarkers, the investigation of temporal-spatial events involving glial reactivity/signaling, and the proposal of enteric glia-based therapies are clearly demanded for innovative and intestine-related management of PD.
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Affiliation(s)
- Beatriz Thomasi
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Luisa Valdetaro
- Department of Molecular Pathobiology, NYU College of Dentistry, New York, NY, United States
| | - Maria Carolina Ricciardi
- Neuroglial Interaction Lab, Neuroscience Program, Universidade Federal Fluminense, Niterói, Brazil
| | | | - Isabela Fialho Tavares
- Neuroglial Interaction Lab, Neurobiology Department, Universidade Federal Fluminense, Niterói, Brazil
| | - Ana Lucia Tavares-Gomes
- Neuroglial Interaction Lab, Neuroscience Program, Universidade Federal Fluminense, Niterói, Brazil
- Neuroglial Interaction Lab, Neurobiology Department, Universidade Federal Fluminense, Niterói, Brazil
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Chhetri JK, Mei S, Wang C, Chan P. New horizons in Parkinson's disease in older populations. Age Ageing 2023; 52:afad186. [PMID: 37847793 DOI: 10.1093/ageing/afad186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 07/07/2023] [Indexed: 10/19/2023] Open
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disorder after Alzheimer's disease. Ageing is considered to be the greatest risk factor for PD, with a complex interplay between genetics and the environment. With population ageing, the prevalence of PD is expected to escalate worldwide; thus, it is of utmost importance to reduce the burden of PD. To date, there are no therapies to cure the disease, and current treatment strategies focus on the management of symptoms. Older adults often have multiple chronic diseases and geriatric syndromes, which further complicates the management of PD. Healthcare systems and care models necessary to address the broad needs of older PD patients are largely unavailable. In this New Horizon article, we discuss various aspects of PD from an ageing perspective, including disease management. We highlight recent advancements in PD therapies and discuss new care models with the potential to improve patient's quality of life.
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Affiliation(s)
- Jagadish K Chhetri
- National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Shanshan Mei
- Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Chaodong Wang
- National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
- Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Piu Chan
- National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
- Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
- Key Laboratory for Neurodegenerative Disease of the Ministry of Education, Beijing Key Laboratory for Parkinson's Disease, Parkinson Disease Center of Beijing Institute for Brain Disorders, Beijing, China
- Clinical Center for Parkinson's Disease, Capital Medical University, Beijing, China
- Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
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Wang R, Shih LC. Parkinson's disease - current treatment. Curr Opin Neurol 2023; Publish Ahead of Print:00019052-990000000-00073. [PMID: 37366218 DOI: 10.1097/wco.0000000000001166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
PURPOSE OF REVIEW The purpose is to review the results and impact of recent studies for current and future treatment of both motor and non-motor symptoms in Parkinson's disease (PD). RECENT FINDINGS New formulations of levodopa further optimize motor fluctuations, allowing for more on-time and less dyskinesia. On demand apomorphine continues to showcase itself as an effective and tolerable tool for treating motor off-periods. Though there are no clear treatment guidelines for PD-related constipation and sleep related disorders, several new agents for these non-motor symptoms show promising preliminary data. Expiratory muscle strength training may represent a useful and cost-effective strategy to alleviate oropharyngeal dysphagia associated with PD. There is evidence to suggest that the use of shorter pulse width and directional deep brain stimulation leads can results in a greater therapeutic window. SUMMARY Though no interventions currently exist to significantly modify the disease progression of PD, new studies continue to give insight into optimal symptomatic management. Clinicians should be familiar with expanding the repertoire of tools available to treat the diverse range of symptoms and challenges associated with PD.
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Affiliation(s)
- Ryan Wang
- Department of Neurology, Boston Medical Center
| | - Ludy C Shih
- Department of Neurology, Boston Medical Center
- Department of Neurology, Boston University Chobanian and Avedisian School of Medicine, USA
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Huang M, Zheng B, Zhou W, Fu H, Chen X, Wu H, Zhang J, Zhou X. High-Frequency Repetitive Magnetic Stimulation at the Sacrum Alleviates Chronic Constipation in Parkinson's Patients. Ann Indian Acad Neurol 2023; 26:235-240. [PMID: 37538410 PMCID: PMC10394460 DOI: 10.4103/aian.aian_1001_22] [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: 12/19/2022] [Revised: 01/22/2023] [Accepted: 02/16/2023] [Indexed: 08/05/2023] Open
Abstract
Objective This study was to investigate the therapeutic effect of high-frequency repetitive magnetic stimulation (HF-rMS) at the sacrum for chronic constipation in Parkinson's patients (PD). Materials and Methods Eventually 48 PD patients were enrolled from July 2019 to October 2020, and randomly divided into the HF-rMS group (the intervention group, n = 24) and the sham HF-rMS group (the control group, n = 24). The intervention group received HF-rMS at the sacrum, whereas the control group received ineffective magnetic stimulation. We performed clinical evaluation before and after HF-rMS treatment, including constipation score scale (KESS questionnaire), Unified Parkinson's Disease Rating Scale (UPDRS-III exercise examination), Hoehn-Yahr (H-Y) stage of motor function; simple mental status scale (MMSE), anxiety/depression table (HAD-A/HAD-D), the activity of daily living (ADL), and quality of life scale for patients with constipation (PAC-QOL) to evaluate symptoms and satisfaction of PD patients with chronic constipation. Results There was no significant difference in the clinical characteristics between the two groups. As compared to the control group, the HF-rMS group displayed a larger change (pre and posttreatment) in the KESS scores of PD patients with chronic constipation, suggesting a significant improvement. Moreover, HF-rMS significantly promoted the mood, activity of daily living, and quality of life of PD patients when comparing the alteration of HAD-A/HAD-D scores, ADL scores, and PAC-QOL scores between the two groups. Finally, there was no significant difference in the change of the UPDRS III score and the MMSE score between the two groups. Conclusion HF-rMS at the sacrum can improve chronic constipation in PD patients.
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Affiliation(s)
- Mei Huang
- Department of Neurology, Nursing Unit, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Bofang Zheng
- Department of Neurology, Nursing Unit, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
- Special Medical Service Center, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Wanfei Zhou
- Special Medical Service Center, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Huaili Fu
- Special Medical Service Center, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Xinrun Chen
- Department of Clinical Medicine, The First Clinical College of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Heyong Wu
- Special Medical Service Center, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Jianguo Zhang
- Special Medical Service Center, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Xianju Zhou
- Department of Neurology, Nursing Unit, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
- Special Medical Service Center, Neuroscience Center, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
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Mihaljevic M, Lam M, Ayala-Grosso C, Davis-Batt F, Schretlen DJ, Ishizuka K, Yang K, Sawa A. Olfactory neuronal cells as a promising tool to realize the "druggable genome" approach for drug discovery in neuropsychiatric disorders. Front Neurosci 2023; 16:1081124. [PMID: 36967982 PMCID: PMC10038100 DOI: 10.3389/fnins.2022.1081124] [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] [Received: 10/26/2022] [Accepted: 12/26/2022] [Indexed: 03/12/2023] Open
Abstract
"Druggable genome" is a novel concept that emphasizes the importance of using the information of genome-wide genetic studies for drug discovery and development. Successful precedents of "druggable genome" have recently emerged for some disorders by combining genomic and gene expression profiles with medical and pharmacological knowledge. One of the key premises for the success is the good access to disease-relevant tissues from "living" patients in which we may observe molecular expression changes in association with symptomatic alteration. Thus, given brain biopsies are ethically and practically difficult, the application of the "druggable genome" approach is challenging for neuropsychiatric disorders. Here, to fill this gap, we propose the use of olfactory neuronal cells (ONCs) biopsied and established via nasal biopsy from living subjects. By using candidate genes that were proposed in a study in which genetic information, postmortem brain expression profiles, and pharmacological knowledge were considered for cognition in the general population, we addressed the utility of ONCs in the "druggable genome" approach by using the clinical and cell resources of an established psychosis cohort in our group. Through this pilot effort, we underscored the chloride voltage-gated channel 2 (CLCN2) gene as a possible druggable candidate for early-stage psychosis. The CLCN2 gene expression was associated with verbal memory, but not with other dimensions in cognition, nor psychiatric manifestations (positive and negative symptoms). The association between this candidate molecule and verbal memory was also confirmed at the protein level. By using ONCs from living subjects, we now provide more specific information regarding molecular expression and clinical phenotypes. The use of ONCs also provides the opportunity of validating the relationship not only at the RNA level but also protein level, leading to the potential of functional assays in the future. Taken together, we now provide evidence that supports the utility of ONCs as a tool for the "druggable genome" approach in translational psychiatry.
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Affiliation(s)
- Marina Mihaljevic
- Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Max Lam
- IMH Neuropsychiatric Genomics Laboratory, Institute of Mental Health, Singapore, Singapore
- Population and Global Health, LKC Medicine, Nanyang Technological University, Singapore, Singapore
- Neurogenomic Biomarkers Laboratory, Zucker Hillside Hospital, Glen Oaks, NY, United States
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA, United States
| | - Carlos Ayala-Grosso
- Unit of Cellular Therapy, Centre of Experimental Medicine, Instituto Venezolano de Investigaciones Cientificas IVIC, Caracas, Venezuela
| | - Finn Davis-Batt
- Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - David J. Schretlen
- Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Koko Ishizuka
- Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Kun Yang
- Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Akira Sawa
- Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Pharmacology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
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Xie L, Chen D, Zhu X, Cheng C. Efficacy and safety of probiotics in Parkinson's constipation: A systematic review and meta-analysis. Front Pharmacol 2023; 13:1007654. [PMID: 36703760 PMCID: PMC9871263 DOI: 10.3389/fphar.2022.1007654] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 12/21/2022] [Indexed: 01/12/2023] Open
Abstract
Background: Parkinson's disease (PD) is the most common neurodegenerative disease closely related to the immune system, among whose prodromes constipation is a representative symptom. Recent Randomized Controlled Trials (RCTs) have proved that probiotics can be used to effectively treat PD constipation, but the results are inconsistent. We performed a meta-analysis to assess the efficacy and safety of probiotic therapy on Parkinson's constipation. Methods: Questions about the research focus were constructed based on the Participants, Intervention, Comparison and Outcomes (PICO) Criteria. We searched electronic databases such as PubMed, Web of Science, EMBASE, Scopus, EBSCO, Cochrane and Google Scholar until March 2022 for eligible literatures. Our primary endpoints were stool frequency, stool consistency, the number of laxatives uses, UPDRS-III scores and adverse events. Results: 12 eligible studies (n = 818 patients) met the inclusion and endpoint criteria. Meta-analysis results showed that constipation symptoms were improved after probiotic treatment, including an increased stool frequency (WMD = 0.94, 95% CI:0.53 to 1.34; OR = 3.22, 95% CI:1.97-5.29), an improved stool consistency (WMD = 1.46, 95% CI:0.54-2.37), a reduced use of laxatives (WMD = -0.72, 95%CI: -1.04 to-0.41), and also a reduced Parkinson's UPDRS-III score (WMD = -6.58, 95%CI: -12.02 to -1.14); there was no significant difference in total adverse events (OR = 0.82, 95%CI:0.39-1.72). Conclusion: Our analysis suggests that probiotics can be used to improve the constipation and motor symptoms for patients with Parkinson's constipation, possibly by reducing the inflammatory response and improving gut-brain axis neuron function, whose safety also proved to be good.
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Chakraborty AP, Mukherjee A, Sarkar S, Sinharoy U, Biswas A. Evaluation of Non-Motor Symptoms in Wilson Disease Using the Parkinson's Disease Nonmotor Symptoms Questionnaire: A Pilot Cross-Sectional Study and Critical Assessment. Ann Indian Acad Neurol 2022; 25:1062-1066. [PMID: 36911485 PMCID: PMC9996490 DOI: 10.4103/aian.aian_1040_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 05/14/2022] [Accepted: 05/18/2022] [Indexed: 11/04/2022] Open
Abstract
Background There is a dearth of studies on non-motor symptoms of Wilson's disease (WD) which is primarily because of the non-availability of a suitable scale. Objective To assess the suitability of the Parkinson's Disease non motor symptoms questionnaire (PD-NMS Quest) in the assessment of non-motor symptoms of WD patients. Methods In this case-control study, patients of WD above ≥12 years of age diagnosed by Leipzig's criteria and age and gender-matched control subjects were recruited. Critically ill patients, patients with severe hepatic impairment, or with pure hepatic WD were excluded. PD-NMS Quest was applied and relevant statistical analyses were performed. Results A total of 18 cases and 25 controls were studied. Patients had a mean age of 22.6 years and a median disease duration of 8 years. WD patients had higher frequencies of all NMS than controls. Drooling (P = 0.0037), dysphagia or choking (P = 0.0088), nocturia (P = 0.0471), anxiety/fear (P = 0.0337), feeling sad or blue (P = 0.0020) and falling (P = 0.0197) were significantly higher in WD patients than controls. Conclusions Although many NMS of WD patients are picked up effectively with PD-NMS Quest, some of them need detail assessment including cognitive, behavioral, and psychiatric symptoms, drooling and dysphagia, sleep as well as autonomic disturbances. Questions pertaining to sexual activity may be omitted from the questionnaire.
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Affiliation(s)
- Arka P. Chakraborty
- Department of Neurology, Bangur Institute of Neurosciences, Institute of Post Graduate Medical Education and Research (IPGME&R), Kolkata, West Bengal, India
| | - Adreesh Mukherjee
- Department of Neurology, Bangur Institute of Neurosciences, Institute of Post Graduate Medical Education and Research (IPGME&R), Kolkata, West Bengal, India
| | - Sumanta Sarkar
- Department of Neurology, Bangur Institute of Neurosciences, Institute of Post Graduate Medical Education and Research (IPGME&R), Kolkata, West Bengal, India
| | - Uma Sinharoy
- Department of Neurology, Bangur Institute of Neurosciences, Institute of Post Graduate Medical Education and Research (IPGME&R), Kolkata, West Bengal, India
| | - Atanu Biswas
- Department of Neurology, Bangur Institute of Neurosciences, Institute of Post Graduate Medical Education and Research (IPGME&R), Kolkata, West Bengal, India
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Stetska VО, Dovbynchuk TV, Dziubenko NV, Zholos AV, Tolstanova GM. Changes in the expression of TRPV4 and TRPM8 channels in the colon of rats with 6-OHDA-induced Parkinson’s disease. UKRAINIAN BIOCHEMICAL JOURNAL 2022. [DOI: 10.15407/ubj94.02.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Parkinson’s disease (PD) is neurodegenerative disease, which is accompanied by degeneration of dopaminergic neurons in subtantia nigra. Non-motor symptoms, in particular, disorders of the gastrointestinal (GI) tract are observed in 20-80% of patients some 15-20 years before clinically diagnosed PD and are not a least important feature of PD pathogenesis. The transient receptor potential (TRP) channels are expressed throughout the GI tract, where they play an important role in taste, thermoregulation, pain, mucosal function and homeostasis, control of interstitial motility etc. The aim of this study was to investigate the contribution of TRPV4 and TRPM8 channels in the GI motor function in the colon of rats with PD, incduced by injection of the 12 μg 6-hydroxydopamine (6-OHDA). The studies were performed on the 4th week and the 7th month after PD induction The rats were randomly divided into: I group – the sham-lesioned rats, 4 μl 0.9% NaCl, autopsy 4 weeks after injection (n = 5); II group – the 6-OHDA-PD rats, 4 μl 12 μg of 6-OHDA, autopsy 4 weeks after injection (n = 5); III group – the sham-lesioned rats, 4 μl 0.9% NaCl, autopsy 7 months after injection (n = 4); IV group – the 6-OHDA-PD rats, 4 μl 12 μg of 6-OHDA, autopsy 7 months after injection (n = 5). We evaluated the body weight of rats, GI transit time, the cecum weight index and immunohistochemical identification of tyrosine hydroxylase (TH) -positive cells, and TRPV4, TRPM8 expression in rat’s colon. We showed that on the 7th month of the experiment, the GI transit time doubles over time; the cecum weight index of 6-OHDA rats increased by 57%; the number of TH-positive cells in colon rats decreased 2-fold, while TRPM8 ion channels were downregulated in PD rats and TRPV4 ion channels were upregulated in the colon of rats with 6-OHDA-PD. It was concluded that TRPV4 and TRPM8 ion channels may be considered pharmacological targets in the progression of PD pathology.
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Liu X, Du ZR, Wang X, Sun XR, Zhao Q, Zhao F, Wong WT, Wong KH, Dong XL. Polymannuronic acid prebiotic plus Lacticaseibacillus rhamnosus GG probiotic as a novel synbiotic promoted their separate neuroprotection against Parkinson’s disease. Food Res Int 2022; 155:111067. [DOI: 10.1016/j.foodres.2022.111067] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 12/18/2022]
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Rusch C, Beke M, Tucciarone L, Nieves C, Ukhanova M, Tagliamonte MS, Mai V, Suh JH, Wang Y, Chiu S, Patel B, Ramirez-Zamora A, Langkamp-Henken B. Mediterranean Diet Adherence in People With Parkinson's Disease Reduces Constipation Symptoms and Changes Fecal Microbiota After a 5-Week Single-Arm Pilot Study. Front Neurol 2022; 12:794640. [PMID: 35002935 PMCID: PMC8733603 DOI: 10.3389/fneur.2021.794640] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 11/19/2021] [Indexed: 12/22/2022] Open
Abstract
Introduction: Non-motor symptoms of Parkinson's disease (PD) such as gastrointestinal (GI) dysfunction are common, yet little is known about how modifying dietary intake impacts PD symptoms. The aim of this study in individuals with PD was to determine whether a Mediterranean diet intervention is feasible and affects GI function, intestinal permeability and fecal microbial communities. Methods: A single-arm, 5-week Mediterranean diet intervention study was conducted in eight people with PD. Daily and weekly questionnaires were administered to determine changes in GI symptoms. Urine and stool samples were collected at baseline and after 5 weeks to assess intestinal permeability and fecal microbial communities. Additionally, live-in partners of the participants with PD were matched as controls (n = 8) for baseline urine and stool samples. Results: Participants with PD increased intake of Mediterranean diet based on adherence scores from baseline to week 5 (4.4 ± 0.6 vs. 11.9 ± 0.7; P < 0.01 with >10 representing good adherence), which was linked with weight loss (77.4 kg vs. 74.9 kg, P = 0.01). Constipation syndrome scores decreased after 5 weeks (2.3 ± 0.5 vs. 1.5 ± 0.3; P = 0.04). Bilophila, was higher at baseline in PD (0.6 ± 0.1% vs. 0.2 ± 0.1% P = 0.02) and slightly decreased after the diet intervention (0.5 ± 0.1%; P = 0.01). Interestingly, the proportion of Roseburia was significantly lower in PD compared to controls (0.6 ± 0.2% vs. 1.6 ± 0.3%; P = 0.02) and increased at week 5 (0.9 ± 0.2%; P < 0.01). No differences were observed for markers of intestinal permeability between the control and PD groups or post-intervention. Conclusions: Short-term Mediterranean diet adherence is feasible in participants with PD; correlated with weight loss, improved constipation, and modified gut microbiota. Clinical Trial Registration:ClinicalTrials.gov, identifier: NCT03851861.
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Affiliation(s)
- Carley Rusch
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, United States.,Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Matthew Beke
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, United States.,Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Lily Tucciarone
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, United States
| | - Carmelo Nieves
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, United States
| | - Maria Ukhanova
- Department of Epidemiology, Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States
| | - Massimiliano S Tagliamonte
- Department of Pathology, Immunology and Laboratory Medicine, Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States
| | - Volker Mai
- Department of Epidemiology, Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States
| | - Joon Hyuk Suh
- Food Science and Human Nutrition Department, Citrus Research and Education Center, University of Florida, Lake Alfred, FL, United States
| | - Yu Wang
- Food Science and Human Nutrition Department, Citrus Research and Education Center, University of Florida, Lake Alfred, FL, United States
| | - Shannon Chiu
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Bhavana Patel
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Adolfo Ramirez-Zamora
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
| | - Bobbi Langkamp-Henken
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, United States
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18
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Gubert C, Gasparotto J, H. Morais L. OUP accepted manuscript. Gastroenterol Rep (Oxf) 2022; 10:goac017. [PMID: 35582476 PMCID: PMC9109005 DOI: 10.1093/gastro/goac017] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/22/2022] [Accepted: 04/01/2022] [Indexed: 11/14/2022] Open
Abstract
Recent research has been uncovering the role of the gut microbiota for brain health and disease. These studies highlight the role of gut microbiota on regulating brain function and behavior through immune, metabolic, and neuronal pathways. In this review we provide an overview of the gut microbiota axis pathways to lay the groundwork for upcoming sessions on the links between the gut microbiota and neurogenerative disorders. We also discuss how the gut microbiota may act as an intermediate factor between the host and the environment to mediate disease onset and neuropathology. Based on the current literature, we further examine the potential for different microbiota-based therapeutic strategies to prevent, to modify, or to halt the progress of neurodegeneration.
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Affiliation(s)
- Carolina Gubert
- Florey Institute of Neuroscience and Mental Health, Melbourne Brain Centre, University of Melbourne, Parkville, Victoria, Australia
| | - Juciano Gasparotto
- Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Rua Gabriel Monteiro da Silva, Alfenas, Minas Gerais, Brasil
| | - Livia H. Morais
- Division of Biology & Biological Engineering, California Institute of Technology, Pasadena, CA, USA
- Corresponding author. Division of Biology & Biological Engineering, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USA. Tel: +1-626-395-8980;
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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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Menozzi E, Macnaughtan J, Schapira AHV. The gut-brain axis and Parkinson disease: clinical and pathogenetic relevance. Ann Med 2021; 53:611-625. [PMID: 33860738 PMCID: PMC8078923 DOI: 10.1080/07853890.2021.1890330] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 02/10/2021] [Indexed: 12/16/2022] Open
Abstract
Gastrointestinal disorders are one of the most significant non-motor problems affecting people with Parkinson disease (PD). Pathogenetically, the gastrointestinal tract has been proposed to be the initial site of pathological changes in PD. Intestinal inflammation and alterations in the gut microbiota may contribute to initiation and progression of pathology in PD. However, the mechanisms underlying this "gut-brain" axis in PD remain unclear. PD patients can display a large variety of gastrointestinal symptoms, leading to reduced quality of life and psychological distress. Gastrointestinal disorders can also limit patients' response to medications, and consequently negatively impact on neurological outcomes. Despite an increasing research focus, gastrointestinal disorders in PD remain poorly understood and their clinical management often suboptimal. This review summarises our understanding of the relevance of the "gut-brain" axis to the pathogenesis of PD, discusses the impact of gastrointestinal disorders in patients with PD, and provides clinicians with practical guidance to their management.
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Affiliation(s)
- Elisa Menozzi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
| | - Jane Macnaughtan
- Institute for Liver and Digestive Health, University College London, Royal Free Campus, London, UK
| | - Anthony H. V. Schapira
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
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21
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Cheesman M, Ho H, Bishop K, Sin MK. Constipation Management in Parkinson Disease. J Neurosci Nurs 2021; 53:262-266. [PMID: 34369433 DOI: 10.1097/jnn.0000000000000611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
ABSTRACT BACKGROUND: Constipation is the most frequently reported nonmotor gastrointestinal symptom of Parkinson disease and can precede motor symptoms by up to 20 years. The causes of constipation can be multifactorial, but the implications can lead to life-threatening complications. Early recognition of constipation can lead to better health outcomes and quality of life. MANAGEMENT CONSIDERATIONS: The combination of nonpharmacological management through screening tools, nursing assessment, and patient education as well as pharmacological management is considered best practice. IMPLICATIONS FOR PRACTICE: Nurses who are knowledgeable on the current treatment options for constipation in Parkinson disease will be better equipped as active multidisciplinary team players to provide optimal care to their patients and achieve the best health outcomes.
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Stetska VO, Dovbynchuk TV, Makedon YS, Dziubenko NV. The effect of water-soluble pristine C60 fullerene on 6-OHDA-induced Parkinson’s disease in rats. REGULATORY MECHANISMS IN BIOSYSTEMS 2021. [DOI: 10.15421/022182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Oxidative stress is thought to be one of the mechanisms that leads to the dysfunction and degeneration of dopaminergic neurons in Parkinson’s disease pathogenesis and presumed to be underway during the prodromal phase. Therefore, therapy, which is effective against pre-motor symptoms, might be effective in preventing or delaying the development and progression of Parkinson’s disease. The aim of our study was to investigate the therapeutic efficiency of pristine C60 fullerene aqueous solution (C60FAS) during Parkinson’s disease in rats. The unilateral dopamine deficiency was induced in male Wistar rats (220–250 g) by stereotaxic microinjection of neurotoxin 6-hydroxydopamine (6-OHDA, 12 μg). C60FAS was injected to rats intraperitoneally daily for 10 days (0.65 mg/kg per day). The percentage of destroyed dopaminergic neurons was determined by the apomorphine test and by IHC staining of tyrosine hydroxylase-positive neurons in substantia nigra. We evaluated the rat body weight, the water and food intake, Open Field behavioural test, the level of biochemical antioxidant system, the activity of peritoneal macrophages. Levels of spontaneous and carbachol-stimulated colon motility were estimated by ballonographic method in vivo. C60FAS showed a positive tendency to increase the number of tyrosine hydroxylase-positive cells in the midbrain, which was associated with more profound improvement in apomorphine-rotation behaviour and slight relief of the anxiety level in Open Field test. Furthermore, C60FAS treatment increased the index of stimulated distal colon motor activity while it did not have a significant effect on water content in feces and total gastrointestinal transit time. C60FAS treatment did not affect water intake behaviour or body weight changes while it induced an increase of glutathione level and decrease activity of glutathione peroxidase in the brain as well as an increase in activity of peritoneal macrophages in 6-OHDA-Parkinson’s disease rats. These findings confirmed the potential therapeutic effectiveness of water-soluble pristine C60 fullerene in Parkinson’s disease pathogenesis, though there is ground for caution because of its systemic mild toxic effect.
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Effectiveness of an herbaceous derivatives, PHGG, plus sodium hyaluronate in the treatment of chronic constipation in patients with Parkinson's disease: a pilot study. Neurol Sci 2021; 43:1055-1059. [PMID: 34086122 DOI: 10.1007/s10072-021-05342-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/17/2021] [Indexed: 10/21/2022]
Abstract
Chronic constipation is a highly prevalent and often under-appreciated gastrointestinal disorder in PD associated with significant impairment in quality of life. In this study, we investigated the efficacy and safety of PHGG plus hyaluronate (PHGG+) in patients suffering from PD and constipation. Thirty-four PD patients have been recruited in an open-label pilot study and measured symptoms and quality of life instruments related to constipation. PHGG+ showed to have a minimal still significant effect in improving constipation as measured by PAC Symp and CGI-S. PHGG+ is safe and well tolerated. Data suggests that PHGG+ may be considered efficacious in alleviating symptoms of constipation in PD patients. Trial registration number: NCT04569656/24 Sept. 2020.
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24
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Dong Z, Shen X, Hao Y, Li J, Li H, Xu H, Yin L, Kuang W. Gut Microbiome: A Potential Indicator for Differential Diagnosis of Major Depressive Disorder and General Anxiety Disorder. Front Psychiatry 2021; 12:651536. [PMID: 34589003 PMCID: PMC8473618 DOI: 10.3389/fpsyt.2021.651536] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 08/19/2021] [Indexed: 02/05/2023] Open
Abstract
Background: Major depressive disorder (MDD) and general anxiety disorder (GAD) share many common features, leading to numerous challenges in their differential diagnosis. Given the importance of the microbiota-gut-brain axis, we investigated the differences in gut microbiota between representative cases of these two diseases and sought to develop a microbiome-based approach for their differential diagnosis. Methods: We enrolled 23 patients with MDD, 21 with GAD, and 10 healthy subjects (healthy crowd, HC) in the present study. We used 16S rRNA gene-sequencing analysis to determine the microbial compositions of the gut microbiome based on Illumina Miseq and according to the standard protocol. Results: GAD showed a significant difference in microbiota richness and diversity as compared with HC. Additionally, Otu24167, Otu19140, and Otu19751 were significantly decreased in MDD relative to HC, and Otu2581 and Otu10585 were significantly increased in GAD relative to MDD. At the genus level, the abundances of Sutterella and Fusicatenibacter were significantly lower in MDD relative to HC, and the abundances of Fusicatenibacter and Christensenellaceae_R7_group were significantly lower in GAD than in HC. The abundance of Sutterella was significantly higher whereas that of Faecalibacterium was significantly lower in GAD relative to MDD. Moreover, we observed that Christensenellaceae_R7_group negatively correlated with the factor score (Limited to Hopelessness) and total score of HAMD-24 (p < 0.05), whereas Fusicatenibacter negatively correlated with FT4 (p < 0.05). Furthermore, the GAD group showed significant differences at the genus level for Faecalibacterium, which negatively correlated with PTC (p < 0.05). Conclusions: This study elucidated a unique gut-microbiome signature associated with MDD and GAD that could facilitate differential diagnosis and targeted therapy.
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Affiliation(s)
- Zaiquan Dong
- Mental Health Center of West China Hospital, Sichuan University, Chengdu, China
| | - Xiaoling Shen
- Mental Health Center of West China Hospital, Sichuan University, Chengdu, China
| | - Yanni Hao
- Mental Health Center of West China Hospital, Sichuan University, Chengdu, China
| | - Jin Li
- Mental Health Center of West China Hospital, Sichuan University, Chengdu, China
| | - Haoran Li
- Mental Health Center of West China Hospital, Sichuan University, Chengdu, China
| | - Haizheng Xu
- Mental Health Center of West China Hospital, Sichuan University, Chengdu, China
| | - Li Yin
- Mental Health Center of West China Hospital, Sichuan University, Chengdu, China
| | - Weihong Kuang
- Mental Health Center of West China Hospital, Sichuan University, Chengdu, China
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Khatri DK, Choudhary M, Sood A, Singh SB. Anxiety: An ignored aspect of Parkinson’s disease lacking attention. Biomed Pharmacother 2020; 131:110776. [DOI: 10.1016/j.biopha.2020.110776] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 09/08/2020] [Accepted: 09/17/2020] [Indexed: 12/25/2022] Open
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Zhou Y, Su Y, Xu W, Wang W, Yao S. Constipation Increases Disability and Decreases Dopamine Levels in the Nigrostriatal System through Gastric Inflammatory Factors in Parkinson's Disease. Curr Neurovasc Res 2020; 16:241-249. [PMID: 31258082 DOI: 10.2174/1567202616666190618170103] [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] [Received: 05/09/2019] [Revised: 05/14/2019] [Accepted: 05/15/2019] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Recent studies suggest that not only is constipation a clinical marker of premotor phase in Parkinson's Disease (PD), but is also correlated with the duration and severity. Some reports indicated that inflammatory from gut dysbiosis might be involved in the pathogenesis of PD, but the correlation between them remains poorly understood. This study aims to investigate how the presence of constipation affects the dopamine level of nigrostriatal system and whether gastrointestinal (GI) inflammation is involved in the brain-gut axis. METHODS Clinical materials, serum inflammatory factors, and datum of dopamine level including 84 cases and 83 controls, were collected consecutively and randomly from November 1, 2017 to October 31, 2018. Dopamine levels of nigrostriatal system were detected by [18F]-DTBZ radiotracer (18F-AV-133). Data analysis was conducted by variance, covariance analysis, bicorrelation, partial correlation, chi-square analysis and logistic regression. RESULTS The mean age of cases was older than that of controls, and male predominance was also observed (P<0.05). The mean scores of Hoehn-Yahr and unified Parkinson's disease rating scale Ⅲ (UPDRS-Ⅲ) were of significantly different duration between two groups (P<0.05). The total dose of levodopa was not different between two groups (P>0.05). The dopamine levels of putamen and caudate nucleus, especially in the dorsal part of putamen, were significantly decreased in cases than that in controls (P<0.05). There were significant differences of complement 3 (C3) and complement 4 (C4) between cases and controls (P<0.05). Dopamine levels in putamen and caudate nucleus were negatively correlated with serum concentrations of immunoglobulin A (IgA), immunoglobulin G (IgG) and C3 in cases (P<0.05). But we did not observe similar negative correlations in controls (P>0.05). CONCLUSION The presence of constipation may increase the severity of motor symptoms and decrease dopamine levels of nigrostriatal system in PD. Inflammatory factors may be involved in the brain-gut axis of PD.
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Affiliation(s)
- Yongtao Zhou
- The Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China.,The Department of Gastroenterology, China-Japan Friendship Hospital, Beijing 100029, China.,Department of Neurobiology, Beijing Institute of Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing 100029, China
| | - Yusheng Su
- The Nuclear Medicine Department, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Weihua Xu
- Gastroenterology Department of Traditional Chinese Medicine, China-Japan Friendship Hospital, Beijing 100053, China
| | - Wei Wang
- Gastroenterology Department of Traditional Chinese Medicine, China-Japan Friendship Hospital, Beijing 100053, China
| | - Shukun Yao
- The Department of Gastroenterology, China-Japan Friendship Hospital, Beijing 100029, China.,Gastroenterology Department of Traditional Chinese Medicine, China-Japan Friendship Hospital, Beijing 100053, China
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Fagerberg P, Klingelhoefer L, Bottai M, Langlet B, Kyritsis K, Rotter E, Reichmann H, Falkenburger B, Delopoulos A, Ioakimidis I. Lower Energy Intake among Advanced vs. Early Parkinson's Disease Patients and Healthy Controls in a Clinical Lunch Setting: A Cross-Sectional Study. Nutrients 2020; 12:E2109. [PMID: 32708668 PMCID: PMC7400863 DOI: 10.3390/nu12072109] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/10/2020] [Accepted: 07/14/2020] [Indexed: 02/07/2023] Open
Abstract
Unintentional weight loss has been observed among Parkinson's disease (PD) patients. Changes in energy intake (EI) and eating behavior, potentially caused by fine motor dysfunction and eating-related symptoms, might contribute to this. The primary aim of this study was to investigate differences in objectively measured EI between groups of healthy controls (HC), early (ESPD) and advanced stage PD patients (ASPD) during a standardized lunch in a clinical setting. The secondary aim was to identify clinical features and eating behavior abnormalities that explain EI differences. All participants (n = 23 HC, n = 20 ESPD, and n = 21 ASPD) went through clinical evaluations and were eating a standardized meal (200 g sausages, 400 g potato salad, 200 g apple purée and 500 mL water) in front of two video cameras. Participants ate freely, and the food was weighed pre- and post-meal to calculate EI (kcal). Multiple linear regression was used to explain group differences in EI. ASPD had a significantly lower EI vs. HC (-162 kcal, p < 0.05) and vs. ESPD (-203 kcal, p < 0.01) when controlling for sex. The number of spoonfuls, eating problems, dysphagia and upper extremity tremor could explain most (86%) of the lower EI vs. HC, while the first three could explain ~50% vs. ESPD. Food component intake analysis revealed significantly lower potato salad and sausage intakes among ASPD vs. both HC and ESPD, while water intake was lower vs. HC. EI is an important clinical target for PD patients with an increased risk of weight loss. Our results suggest that interventions targeting upper extremity tremor, spoonfuls, dysphagia and eating problems might be clinically useful in the prevention of unintentional weight loss in PD. Since EI was lower in ASPD, EI might be a useful marker of disease progression in PD.
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Affiliation(s)
- Petter Fagerberg
- Department of Biosciences and Nutrition, Karolinska Institutet, 171 77 Stockholm, Sweden; (B.L.); (I.I.)
| | - Lisa Klingelhoefer
- Department of Neurology, Technical University Dresden, 01099 Dresden, Germany; (L.K.); (E.R.); (H.R.); (B.F.)
| | - Matteo Bottai
- Division of Biostatistics, Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden;
| | - Billy Langlet
- Department of Biosciences and Nutrition, Karolinska Institutet, 171 77 Stockholm, Sweden; (B.L.); (I.I.)
| | - Konstantinos Kyritsis
- Electrical and Computer Engineering Department, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece; (K.K.); (A.D.)
| | - Eva Rotter
- Department of Neurology, Technical University Dresden, 01099 Dresden, Germany; (L.K.); (E.R.); (H.R.); (B.F.)
| | - Heinz Reichmann
- Department of Neurology, Technical University Dresden, 01099 Dresden, Germany; (L.K.); (E.R.); (H.R.); (B.F.)
| | - Björn Falkenburger
- Department of Neurology, Technical University Dresden, 01099 Dresden, Germany; (L.K.); (E.R.); (H.R.); (B.F.)
| | - Anastasios Delopoulos
- Electrical and Computer Engineering Department, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece; (K.K.); (A.D.)
| | - Ioannis Ioakimidis
- Department of Biosciences and Nutrition, Karolinska Institutet, 171 77 Stockholm, Sweden; (B.L.); (I.I.)
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Lazebnik LB, Turkina SV, Golovanova EV, Ardatskaya MD, Ostroumova OD, Komissarenko IA, Korochanskaya NV, Kozlova IV, Uspensky YP, Fominykh YA, Levchenko SV, Loranskaya ID, Tkachenko EI, Sitkin SI, Bakulin IG, Bakulina NV, Shemerovsky KA. Constipation in adults. EXPERIMENTAL AND CLINICAL GASTROENTEROLOGY 2020:10-33. [DOI: 10.31146/1682-8658-ecg-175-3-10-33] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Affiliation(s)
- L. B. Lazebnik
- Moscow State University of Medicine and Dentistry named after A. I. Evdokimov
| | | | - E. V. Golovanova
- Moscow State University of Medicine and Dentistry named after A. I. Evdokimov
| | - M. D. Ardatskaya
- Medical Center of the Presidential Administration of the Russian Federation
| | - O. D. Ostroumova
- Russian Clinical and Research Center of Gerontology (RCRCG) of Pirogov Russian National Research Medical University; All-Russia public organization “Russian Association of Gerontologists and Geriatrics”
| | - I. A. Komissarenko
- Moscow State University of Medicine and Dentistry named after A. I. Evdokimov
| | | | - I. V. Kozlova
- “Saratov State Medical University n. a. V. I. Razumovsky”
| | | | | | - S. V. Levchenko
- Moscow State University of Medicine and Dentistry named after A. I. Evdokimov
| | | | | | - S. I. Sitkin
- “North-West State Medical University n. a. I. I. Mechnikov”
| | - I. G. Bakulin
- “North-West State Medical University n. a. I. I. Mechnikov”
| | - N. V. Bakulina
- “North-West State Medical University n. a. I. I. Mechnikov”
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Lavin KM, Ge Y, Sealfon SC, Nair VD, Wilk K, McAdam JS, Windham ST, Kumar PL, McDonald MLN, Bamman MM. Rehabilitative Impact of Exercise Training on Human Skeletal Muscle Transcriptional Programs in Parkinson's Disease. Front Physiol 2020; 11:653. [PMID: 32625117 PMCID: PMC7311784 DOI: 10.3389/fphys.2020.00653] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 05/22/2020] [Indexed: 12/18/2022] Open
Abstract
Parkinson's disease (PD) is the most common motor neurodegenerative disease, and neuromuscular function deficits associated with PD contribute to disability. Targeting these symptoms, our laboratory has previously evaluated 16-week high-intensity resistance exercise as rehabilitative training (RT) in individuals with PD. We reported significant improvements in muscle mass, neuromuscular function (strength, power, and motor unit activation), indices of neuromuscular junction integrity, total and motor scores on the unified Parkinson's disease rating scale (UPDRS), and total and sub-scores on the 39-item PD Quality of Life Questionnaire (PDQ-39), supporting the use of RT to reverse symptoms. Our objective was to identify transcriptional networks that may contribute to RT-induced neuromuscular remodeling in PD. We generated transcriptome-wide skeletal muscle RNA-sequencing in 5 participants with PD [4M/1F, 67 ± 2 years, Hoehn and Yahr stages 2 (n = 3) and 3 (n = 2)] before and after 16-week high intensity RT to identify transcriptional networks that may in part underpin RT-induced neuromuscular remodeling in PD. Following RT, 304 genes were significantly upregulated, notably related to remodeling and nervous system/muscle development. Additionally, 402 genes, primarily negative regulators of muscle adaptation, were downregulated. We applied the recently developed Pathway-Level Information ExtractoR (PLIER) method to reveal coordinated gene programs (as latent variables, LVs) that differed in skeletal muscle among young (YA) and old (OA) healthy adults and PD (n = 12 per cohort) at baseline and in PD pre- vs. post-RT. Notably, one LV associated with angiogenesis, axon guidance, and muscle remodeling was significantly lower in PD than YA at baseline and was significantly increased by exercise. A different LV annotated to denervation, autophagy, and apoptosis was increased in both PD and OA relative to YA and was also reduced by 16-week RT in PD. Thus, this analysis identified two novel skeletal muscle transcriptional programs that are dysregulated by PD and aging, respectively. Notably, RT has a normalizing effect on both programs in individuals with PD. These results identify potential molecular transducers of the RT-induced improvements in neuromuscular remodeling and motor function that may aid in optimizing exercise rehabilitation strategies for individuals with PD.
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Affiliation(s)
- Kaleen M. Lavin
- Department of Cell, Developmental and Integrative Biology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- UAB Center for Exercise Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Yongchao Ge
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Stuart C. Sealfon
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Venugopalan D. Nair
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Katarzyna Wilk
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Jeremy S. McAdam
- Department of Cell, Developmental and Integrative Biology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- UAB Center for Exercise Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Samuel T. Windham
- UAB Center for Exercise Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- Department of Surgery, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Preeti Lakshman Kumar
- Department of Genetics, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- Department of Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Merry-Lynn N. McDonald
- Department of Genetics, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- Department of Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Marcas M. Bamman
- Department of Cell, Developmental and Integrative Biology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- UAB Center for Exercise Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- Department of Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- Birmingham/Atlanta VA Geriatric Research, Education, and Clinical Center, Birmingham, AL, United States
- Department of Neurology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
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Lowes H, Pyle A, Santibanez-Koref M, Hudson G. Circulating cell-free mitochondrial DNA levels in Parkinson's disease are influenced by treatment. Mol Neurodegener 2020; 15:10. [PMID: 32070373 PMCID: PMC7029508 DOI: 10.1186/s13024-020-00362-y] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 02/13/2020] [Indexed: 12/12/2022] Open
Abstract
Several studies have linked circulating cell-free mitochondrial DNA (ccf-mtDNA) to human disease. In particular, reduced ccf-mtDNA levels in the cerebrospinal fluid (CSF) of both Alzheimer's and Parkinson's disease (PD) patients have raised the hypothesis that ccf-mtDNA could be used as a biomarker for neurodegenerative disease onset and progression. However, how a reduction of CSF ccf-mtDNA levels relates to neurodegeneration remains unclear. Many factors are likely to influence ccf-mtDNA levels, such as concomitant therapeutic treatment and comorbidities. In this study we aimed to investigate these factors, quantifying CSF ccf-mtDNA from the Parkinson's Progression Markers Initiative in 372 PD patients and 159 matched controls at two time points. We found that ccf-mtDNA levels appear significantly reduced in PD cases when compared to matched controls and are associated with cognitive impairment. However, our data indicate that this reduction in ccf-mtDNA is also associated with the commencement, type and duration of treatment. Additionally, we found that ccf-mtDNA levels are associated with comorbidities such as depression and insomnia, however this was only significant if measured in the absence of treatment. We conclude that in PD, similar to reports in HIV and sepsis, comorbidities and treatment can both influence ccf-mtDNA homeostasis, raising the possibility that ccf-mtDNA may be useful as a biomarker for treatment response or the development of secondary phenotypes. Given that, clinically, PD manifests often decades after neurodegeneration begins, predicting who will develop disease is important. Also, identifying patients who will respond to existing treatments or develop secondary phenotypes will have increased clinical importance as PD incidence rises.
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Affiliation(s)
- Hannah Lowes
- Wellcome Centre for Mitochondrial Research, Biosciences Institute, Newcastle University, Newcastle upon Tyne, NE1 3BZ UK
| | - Angela Pyle
- Wellcome Centre for Mitochondrial Research, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, NE2 4HH UK
| | | | - Gavin Hudson
- Wellcome Centre for Mitochondrial Research, Biosciences Institute, Newcastle University, Newcastle upon Tyne, NE1 3BZ UK
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Curcumin-Activated Mesenchymal Stem Cells Derived from Human Umbilical Cord and Their Effects on MPTP-Mouse Model of Parkinson's Disease: A New Biological Therapy for Parkinson's Disease. Stem Cells Int 2020; 2020:4636397. [PMID: 32148518 PMCID: PMC7048946 DOI: 10.1155/2020/4636397] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Accepted: 01/23/2020] [Indexed: 02/07/2023] Open
Abstract
Background The aim of this study was to investigate the effects of human umbilical cord mesenchymal stem cell activated by curcumin (hUC-MSCs-CUR) on Parkinson's disease (PD). hUC-MSCs can differentiate into many types of adult tissue cells including dopaminergic (DA) neurons. CUR could protect DA neurons from apoptosis induced by 6-hydroxydopamine (6-OHDA). Therefore, we used the hUC-MSCs activated by CUR for the treatment of PD in an animal model. Methods The hUC-MSCs-CUR was transplanted into the MPTP-induced PD mouse models via the tail vein. We found that hUC-MSCs-CUR significantly improved the motor ability, increased the tyrosine hydroxylase (TH), dopamine (DA), and Bcl-2 levels, and reduced nitric oxide synthase, Bax, and cleaved caspase 3 expression in PD mice. The supernatant of hUC-MSCs-CUR (CM-CUR) was used to stimulate the SH-SY5Y cellular model of PD; cell proliferation, differentiation, TH, and neuronal-specific marker microtubular-associated protein 2 (MAP2) expressions were examined. Results Our data showed that CM-CUR significantly promoted cell proliferation and gradually increased TH and MAP2 expression in SH-SY5Y PD cells. The beneficial effects could be associated with significant increase of rough endoplasmic reticulum in the hUC-MSCs-CUR, which secretes many cytokines and growth factors beneficial for PD treatment. Conclusions Transplantation of hUC-MSCs-CUR could show promise for improving the motor recovery of PD.
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Taylor JP, McKeith IG, Burn DJ, Boeve BF, Weintraub D, Bamford C, Allan LM, Thomas AJ, O'Brien JT. New evidence on the management of Lewy body dementia. Lancet Neurol 2020; 19:157-169. [PMID: 31519472 PMCID: PMC7017451 DOI: 10.1016/s1474-4422(19)30153-x] [Citation(s) in RCA: 134] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 03/09/2019] [Accepted: 03/13/2019] [Indexed: 02/06/2023]
Abstract
Dementia with Lewy bodies and Parkinson's disease dementia, jointly known as Lewy body dementia, are common neurodegenerative conditions. Patients with Lewy body dementia present with a wide range of cognitive, neuropsychiatric, sleep, motor, and autonomic symptoms. Presentation varies between patients and can vary over time within an individual. Treatments can address one symptom but worsen another, which makes disease management difficult. Symptoms are often managed in isolation and by different specialists, which makes high-quality care difficult to accomplish. Clinical trials and meta-analyses now provide an evidence base for the treatment of cognitive, neuropsychiatric, and motor symptoms in patients with Lewy body dementia. Furthermore, consensus opinion from experts supports the application of treatments for related conditions, such as Parkinson's disease, for the management of common symptoms (eg, autonomic dysfunction) in patients with Lewy body dementia. However, evidence gaps remain and future clinical trials need to focus on the treatment of symptoms specific to patients with Lewy body dementia.
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Affiliation(s)
- John-Paul Taylor
- Institute of Neuroscience, Biomedical Research Building, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK.
| | - Ian G McKeith
- Institute of Neuroscience, Biomedical Research Building, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - David J Burn
- Institute of Neuroscience, Biomedical Research Building, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - Brad F Boeve
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | - Daniel Weintraub
- Department of Psychiatry and Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA, USA; Parkinson's Disease and Mental Illness Research, Education and Clinical Centers, Philadelphia Veterans Affairs Medical Center, Philadelphia, PA, USA
| | - Claire Bamford
- Institute of Health and Society, Biomedical Research Building, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - Louise M Allan
- University of Exeter Medical School, University of Exeter, Exeter, UK
| | - Alan J Thomas
- Institute of Neuroscience, Biomedical Research Building, Campus for Ageing and Vitality, Newcastle University, Newcastle upon Tyne, UK
| | - John T O'Brien
- Department of Psychiatry, School of Clinical Medicine, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
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Waters JL, Ley RE. The human gut bacteria Christensenellaceae are widespread, heritable, and associated with health. BMC Biol 2019; 17:83. [PMID: 31660948 PMCID: PMC6819567 DOI: 10.1186/s12915-019-0699-4] [Citation(s) in RCA: 373] [Impact Index Per Article: 74.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 09/17/2019] [Indexed: 12/18/2022] Open
Abstract
The Christensenellaceae, a recently described family in the phylum Firmicutes, is emerging as an important player in human health. The relative abundance of Christensenellaceae in the human gut is inversely related to host body mass index (BMI) in different populations and multiple studies, making its relationship with BMI the most robust and reproducible link between the microbial ecology of the human gut and metabolic disease reported to date. The family is also related to a healthy status in a number of other different disease contexts, including obesity and inflammatory bowel disease. In addition, Christensenellaceae is highly heritable across multiple populations, although specific human genes underlying its heritability have so far been elusive. Further research into the microbial ecology and metabolism of these bacteria should reveal mechanistic underpinnings of their host-health associations and enable their development as therapeutics.
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Affiliation(s)
- Jillian L Waters
- Department of Microbiome Science, Max Planck Institute for Developmental Biology, Max-Planck-Ring 5, 72076, Tuebingen, Germany
| | - Ruth E Ley
- Department of Microbiome Science, Max Planck Institute for Developmental Biology, Max-Planck-Ring 5, 72076, Tuebingen, Germany.
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Carrarini C, Russo M, Dono F, Di Pietro M, Rispoli MG, Di Stefano V, Ferri L, Barbone F, Vitale M, Thomas A, Sensi SL, Onofrj M, Bonanni L. A Stage-Based Approach to Therapy in Parkinson's Disease. Biomolecules 2019; 9:biom9080388. [PMID: 31434341 PMCID: PMC6723065 DOI: 10.3390/biom9080388] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 07/31/2019] [Accepted: 08/14/2019] [Indexed: 12/11/2022] Open
Abstract
Parkinson’s disease (PD) is a neurodegenerative disorder that features progressive, disabling motor symptoms, such as bradykinesia, rigidity, and resting tremor. Nevertheless, some non-motor symptoms, including depression, REM sleep behavior disorder, and olfactive impairment, are even earlier features of PD. At later stages, apathy, impulse control disorder, neuropsychiatric disturbances, and cognitive impairment can present, and they often become a heavy burden for both patients and caregivers. Indeed, PD increasingly compromises activities of daily life, even though a high variability in clinical presentation can be observed among people affected. Nowadays, symptomatic drugs and non-pharmaceutical treatments represent the best therapeutic options to improve quality of life in PD patients. The aim of the present review is to provide a practical, stage-based guide to pharmacological management of both motor and non-motor symptoms of PD. Furthermore, warning about drug side effects, contraindications, as well as dosage and methods of administration, are highlighted here, to help the physician in yielding the best therapeutic strategies for each symptom and condition in patients with PD.
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Affiliation(s)
- Claudia Carrarini
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Mirella Russo
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Fedele Dono
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Martina Di Pietro
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Marianna G Rispoli
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Vincenzo Di Stefano
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Laura Ferri
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Filomena Barbone
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Michela Vitale
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Astrid Thomas
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Stefano Luca Sensi
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Marco Onofrj
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Laura Bonanni
- Department of Neuroscience, Imaging and Clinical Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy.
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Frazzitta G, Ferrazzoli D, Folini A, Palamara G, Maestri R. Severe Constipation in Parkinson's Disease and in Parkinsonisms: Prevalence and Affecting Factors. Front Neurol 2019; 10:621. [PMID: 31275225 PMCID: PMC6591373 DOI: 10.3389/fneur.2019.00621] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 05/28/2019] [Indexed: 12/12/2022] Open
Abstract
Background: constipation is one of the most common and disabling non-motor symptoms of Parkinson Disease (PD) and Parkinsonisms (PS). Few studies evaluate the difference of prevalence between PD and PS and the cause leading to a severe constipation in this diseases. Objective: Aim of our study is to evaluate the prevalence of constipation in a population of patients with PD and PS and to evaluate which factors influence the development of severe constipation. Methods: Two hundred and fifty outpatients with PD and 39 with PS were enrolled. Sixty five age-matched healthy subjects served as control. Constipation was assessed using the “Constipation Scoring System” (CSS). All patients underwent a global clinical, functional and neuropsychological assessment including: Unified Parkinson's disease Rating Scale (UPDRS), 6-min Walk Test (6MWT), and Mini-Mental State Examination (MMSE). Results: Data confirm the high prevalence of constipation among patients with PD and PS. Severe constipation affects much more patients with PS. A significant association between total CSS and age, H and Y stage, 6MWT, MMSE, total UPDRS, and UPDRS III was found in PD. In PS patients total CSS was associated with age, 6MWT, total UPDRS, and UPDRS III. Multivariable regression analysis showed that the only variables significantly and independently associated with total CSS in PD patients were age and total UPDRS, both with direct relationship. Conclusions: The reduction of motor performance seems to be the primary cause for developing severe constipation in PD and PS patients. These data suggest that maintain a good quality of gait and endurance may be helpful to reduce the risk of constipation.
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Affiliation(s)
| | - Davide Ferrazzoli
- Parkinson's Disease and Movement Disorders Department, "Moriggia-Pelascini" Hospital, Como, Italy
| | - Annarita Folini
- Parkinson's Disease and Movement Disorders Department, "Moriggia-Pelascini" Hospital, Como, Italy
| | - Grazia Palamara
- Parkinson's Disease and Movement Disorders Department, "Moriggia-Pelascini" Hospital, Como, Italy
| | - Roberto Maestri
- Istituti Clinici Scientifici Maugeri IRCCS, Department of Biomedical Engineering of the Montescano Institute, Pavia, Italy
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Bu J, Qiao X, He Y, Liu J. Colonic electrical stimulation improves colonic transit in rotenone-induced Parkinson's disease model through affecting enteric neurons. Life Sci 2019; 231:116581. [PMID: 31220524 DOI: 10.1016/j.lfs.2019.116581] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 06/11/2019] [Accepted: 06/16/2019] [Indexed: 02/06/2023]
Abstract
AIMS The aims of this study were to investigate the effect of colonic electrical stimulation (CES) on delayed colonic transit in Parkinson's disease (PD) model induced by rotenone and its possible mechanisms. MAIN METHODS Sprague-Dawley male rats were implanted with a pair of electrodes on the serosa at the proximal colon and rotenone was subcutaneously injected for 6 weeks to induce the PD model. Behavior activity, stool volume and open-field test were recorded during the injection. Colonic propulsion rate was measured 6 weeks after rotenone injection. Colon samples of all rats were collected for the measurement of phosphorylated alpha-synuclein, choline acetyltransferase (CHAT), neuronal nitric oxide synthase (nNOS), and tyrosine hydroxylase (TH). The protocols of control rats were the same as the PD rats except that no electrodes were implanted and no rotenone was injected. KEY FINDINGS (1) Rotenone-induced PD rats demonstrated weight loss, significant decrease of the dopaminergic neurons in substantia nigra, and impairment of colon movement. (2) CES significantly accelerated the delayed colonic transmit (91.67 ± 5.58% vs 51.33 ± 4.18%), superior to Macrogol-4000. (3) CES significantly upregulated the expression of CHAT, nNOS and TH protein in colon of PD rats. (4) In colon of PD rats, the phosphorylated alpha-synuclein was significantly upregulated, but CES had no significant effect on phosphorylated alpha-synuclein. SIGNIFICANCE Our data show that CES can normalize the delayed colonic transit and this normalization may attribute to affecting enteric excitatory and inhibitory neurons.
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Affiliation(s)
- Jin Bu
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xian Qiao
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yunduan He
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jinsong Liu
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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Radder DLM, de Vries NM, Riksen NP, Diamond SJ, Gross D, Gold DR, Heesakkers J, Henderson E, Hommel ALAJ, Lennaerts HH, Busch J, Dorsey RE, Andrejack J, Bloem BR. Multidisciplinary care for people with Parkinson’s disease: the new kids on the block! Expert Rev Neurother 2019; 19:145-157. [DOI: 10.1080/14737175.2019.1561285] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Danique L. M. Radder
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Nienke M. de Vries
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Niels P. Riksen
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Sarah J. Diamond
- Division of Gastroenterology and Hepatology, Oregon Health and Science University, Portland, OR, USA
| | - Ditza Gross
- Pulmonary Rehabilitation Clinic, Top Ichelov, Tel-Aviv, Israel
| | - Daniel R. Gold
- Departments of Neurology, Ophthalmology, Neurosurgery, Otolaryngology – Head and Neck Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
| | - John Heesakkers
- Department of Urology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Emily Henderson
- Department of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- Older People’s Unit, Royal United Hospitals Bath NHS Foundation Trust, Bath, UK
| | - Adrianus L. A. J. Hommel
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
- Groenhuysen, Elderly Care Organisation, Roosendaal, The Netherlands
| | - Herma H. Lennaerts
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Anesthesiology, Pain and Palliative Care, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jane Busch
- American Dental Association, , Chicago, Illinois, USA
- Wisconsin Dental Association, Dane County Dental Society, Cross Plains, Wisconsin, USA
| | - Ray E. Dorsey
- Center for Health + Technology, Department of Neurology, University of Rochester Medical Center, Rochester, NY, USA
| | - John Andrejack
- Parkinson’s Foundation Patient Advocate in Research, New York City, New York, USA
| | - Bastiaan R. Bloem
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
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Ahluwalia SC, Chen C, Raaen L, Motala A, Walling AM, Chamberlin M, O'Hanlon C, Larkin J, Lorenz K, Akinniranye O, Hempel S. A Systematic Review in Support of the National Consensus Project Clinical Practice Guidelines for Quality Palliative Care, Fourth Edition. J Pain Symptom Manage 2018; 56:831-870. [PMID: 30391049 DOI: 10.1016/j.jpainsymman.2018.09.008] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 09/07/2018] [Indexed: 12/25/2022]
Abstract
CONTEXT Palliative care continues to be a rapidly growing field aimed at improving quality of life for patients and their caregivers. OBJECTIVES The purpose of this review was to provide a synthesis of the evidence in palliative care to inform the fourth edition of the National Consensus Project Clinical Practice Guidelines for Quality Palliative Care. METHODS Ten key review questions addressing eight content domains guided a systematic review focused on palliative care interventions. We searched eight databases in February 2018 for systematic reviews published in English from 2013, after the last edition of National Consensus Project guidelines was published, to present. Experienced literature reviewers screened, abstracted, and appraised data per a detailed protocol registered in PROSPERO. The quality of evidence was evaluated using the Grading of Recommendations, Assessment, Development and Evaluations criteria. The review was supported by a technical expert panel. RESULTS We identified 139 systematic reviews meeting inclusion criteria. Reviews addressed the structure and process of care (interdisciplinary team care, 13 reviews; care coordination, 18 reviews); physical aspects (48 reviews); psychological aspects (26 reviews); social aspects (two reviews); spiritual, religious, and existential aspects (11 reviews); cultural aspects (three reviews); care of the patient nearing the end of life (grief/bereavement programs, six reviews; final days of life, two reviews); ethical and legal aspects (36 reviews). CONCLUSION A substantial body of evidence exists to support clinical practice guidelines for quality palliative care, but the quality of evidence is limited.
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Affiliation(s)
- Sangeeta C Ahluwalia
- RAND Health, Santa Monica, California, USA; UCLA Fielding School of Public Health, Los Angeles, California, USA.
| | - Christine Chen
- Pardee RAND Graduate School, Santa Monica, California, USA
| | | | - Aneesa Motala
- Evidence based Practice Center, RAND Corp., Santa Monica, California, USA
| | - Anne M Walling
- RAND Health, Santa Monica, California, USA; Division of General Internal Medicine and Health Services Research, David Geffen School of Medicine at University of California, Los Angeles, California, USA; Greater Los Angeles Veterans Affairs Healthcare System, Los Angeles, California, USA
| | | | | | - Jody Larkin
- Evidence based Practice Center, RAND Corp., Santa Monica, California, USA
| | - Karl Lorenz
- RAND Health, Santa Monica, California, USA; VA Palo Alto Health Care System, Center for Innovation to Implementation, Menlo Park, California, USA; Stanford University School of Medicine, Stanford, California, USA
| | | | - Susanne Hempel
- Evidence based Practice Center, RAND Corp., Santa Monica, California, USA
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