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Ali NH, Al-Kuraishy HM, Al-Gareeb AI, Alnaaim SA, Hetta HF, Saad HM, Batiha GES. A Mutual Nexus Between Epilepsy and α-Synuclein: A Puzzle Pathway. Mol Neurobiol 2024:10.1007/s12035-024-04204-6. [PMID: 38703341 DOI: 10.1007/s12035-024-04204-6] [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: 07/01/2023] [Accepted: 04/12/2024] [Indexed: 05/06/2024]
Abstract
Alpha-synuclein (α-Syn) is a specific neuronal protein that regulates neurotransmitter release and trafficking of synaptic vesicles. Exosome-associated α-Syn which is specific to the central nervous system (CNS) is involved in the pathogenesis of epilepsy. Therefore, this review aimed to elucidate the possible link between α-Syn and epilepsy, and how it affects the pathophysiology of epilepsy. A neurodegenerative protein such as α-Syn is implicated in the pathogenesis of epilepsy. Evidence from preclinical and clinical studies revealed that upregulation of α-Syn induces progressive neuronal dysfunctions through induction of oxidative stress, neuroinflammation, and inhibition of autophagy in a vicious cycle with subsequent development of severe epilepsy. In addition, accumulation of α-Syn in epilepsy could be secondary to the different cellular alterations including oxidative stress, neuroinflammation, reduction of brain-derived neurotrophic factor (BDNF) and progranulin (PGN), and failure of the autophagy pathway. However, the mechanism of α-Syn-induced-epileptogenesis is not well elucidated. Therefore, α-Syn could be a secondary consequence of epilepsy. Preclinical and clinical studies are warranted to confirm this causal relationship.
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Affiliation(s)
- Naif H Ali
- Department of Internal Medicine, Medical College, Najran University, Najran, Kingdom of Saudi Arabia
| | - Hayder M Al-Kuraishy
- Department of Clinical Pharmacology and Medicine, College of Medicine, Mustansiriyah University, M.B.Ch.B, FRCP, P.O. Box 14132, Baghdad, Iraq
| | - Ali I Al-Gareeb
- Jabir Ibn Hayyan Medical University, Al-Ameer Qu, P.O. Box 13, Kufa, Najaf, Iraq
| | - Saud A Alnaaim
- Clinical Neurosciences Department, College of Medicine, King Faisal University, Hofuf, Saudi Arabia
| | - Helal F Hetta
- Department of Medical Microbiology and Immunology, Faculty of Medicine, Assiut University, Assiut, 71515, Egypt
| | - Hebatallah M Saad
- Department of Pathology, Faculty of Veterinary Medicine, Matrouh University, Matrouh, 51744, Egypt.
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511, AlBeheira, Egypt.
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Pulluru Y, Koohsari S, Bayoumi A, Aladawi M, Najdawi Z, Elfil M. Seizures due to pyridoxine deficiency in Parkinson's disease. Seizure 2024; 118:132-136. [PMID: 38703598 DOI: 10.1016/j.seizure.2024.04.025] [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: 03/10/2024] [Revised: 04/09/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024] Open
Abstract
Parkinson's disease (PD) is a complex neurodegenerative disorder characterized not only by its hallmark motor symptoms but also by a myriad of non-motor manifestations, including cognitive decline, autonomic manifestations, and gastrointestinal disturbances. Amidst these, a lesser-known but critical aspect is the increased risk of functional deficiency of pyridoxine (vitamin B6) in patients with PD, which is linked to an increased risk of seizures. This review investigates the intersection of PD, new-onset seizures, and pyridoxine deficiency, aiming to elucidate the significance of these associations and their contributions to the neurologic burden in PD. Case reports documenting the occurrence of seizures in patients with PD, particularly in the context of high-dose dopaminergic therapy and the subsequent revelation of pyridoxine deficiency were included. These cases, which often featured extensive workups revealing unremarkable findings aside from pyridoxine deficiency, underscore the multifaceted nature of PD and its treatment-related complications. The findings in these case reports suggest that dietary insufficiencies, gastrointestinal dysfunctions, and drug-nutrient interactions may eventually precipitate pyridoxine deficiency, which in turn may lead to seizures by disrupting GABAergic neurotransmission. This sheds the light on the need for increased clinical awareness and routine monitoring of pyridoxine levels in patients with PD, especially those undergoing significant therapeutic adjustments or exhibiting comorbidities that might interfere with their dietary intake such as gastrointestinal manifestations or depression. Such proactive measures could potentially mitigate the impact of this complication in patients with PD, ultimately enhancing patient care and quality of life.
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Affiliation(s)
- Yashwanth Pulluru
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Sheida Koohsari
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Ahmed Bayoumi
- Department of Neurology, McGovern Medical School, UTHealth, Houston, TX, USA
| | - Mohammad Aladawi
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Zaid Najdawi
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Mohamed Elfil
- Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA.
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Wu X, Wang K, Wang J, Wei P, Zhang H, Yang Y, Huang Y, Wang Y, Shi W, Shan Y, Zhao G. The Interplay Between Epilepsy and Parkinson's Disease: Gene Expression Profiling and Functional Analysis. Mol Biotechnol 2024:10.1007/s12033-024-01103-y. [PMID: 38453824 DOI: 10.1007/s12033-024-01103-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: 11/15/2023] [Accepted: 01/30/2024] [Indexed: 03/09/2024]
Abstract
The results of many epidemiological studies suggest a bidirectional causality may exist between epilepsy and Parkinson's disease (PD). However, the underlying molecular landscape linking these two diseases remains largely unknown. This study aimed to explore this possible bidirectional causality by identifying differentially expressed genes (DEGs) in each disease as well as their intersection based on two respective disease-related datasets. We performed enrichment analyses and explored immune cell infiltration based on an intersection of the DEGs. Identifying a protein-protein interaction (PPI) network between epilepsy and PD, and this network was visualised using Cytoscape software to screen key modules and hub genes. Finally, exploring the diagnostic values of the identified hub genes. NetworkAnalyst 3.0 and Cytoscape software were also used to construct and visualise the transcription factor-micro-RNA regulatory and co-regulatory networks, the gene-microRNA interaction network, as well as gene-disease association. Based on the enrichment results, the intersection of the DEGs mainly revealed enrichment in immunity-, phosphorylation-, metabolism-, and inflammation-related pathways. The boxplots revealed similar trends in infiltration of many immune cells in epilepsy and Parkinson's disease, with greater infiltration in patients than in controls. A complex PPI network comprising 186 nodes and 512 edges were constructed. According to node connection degree, top 15 hub genes were considered the kernel targets of epilepsy and PD. The area under curve values of hub gene expression profiles confirmed their excellent diagnostic values. This study is the first to analyse the molecular landscape underlying the epidemiological link between epilepsy and Parkinson's disease. The two diseases are closely linked through immunity-, inflammation-, and metabolism-related pathways. This information was of great help in understanding the pathogenesis, diagnosis, and treatment of the diseases. The present results may provide guidance for further in-depth analysis about molecular mechanisms of epilepsy and PD and novel potential targets.
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Affiliation(s)
- Xiaolong Wu
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China
- International Neuroscience Institute (China-INI), Beijing, China
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China
| | - Kailiang Wang
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China
- International Neuroscience Institute (China-INI), Beijing, China
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China
| | - Jingjing Wang
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China
- International Neuroscience Institute (China-INI), Beijing, China
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China
| | - Penghu Wei
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China
- International Neuroscience Institute (China-INI), Beijing, China
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China
| | - Huaqiang Zhang
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China
- International Neuroscience Institute (China-INI), Beijing, China
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China
| | - Yanfeng Yang
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China
- International Neuroscience Institute (China-INI), Beijing, China
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China
| | - Yinchun Huang
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China
- International Neuroscience Institute (China-INI), Beijing, China
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China
| | - Yihe Wang
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China
- International Neuroscience Institute (China-INI), Beijing, China
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China
| | - Wenli Shi
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China
- International Neuroscience Institute (China-INI), Beijing, China
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China
| | - Yongzhi Shan
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China
- International Neuroscience Institute (China-INI), Beijing, China
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China
| | - Guoguang Zhao
- Department of Neurosurgery, Xuan Wu Hospital of the Capital Medical University, Beijing, 100053, China.
- International Neuroscience Institute (China-INI), Beijing, China.
- Clinical Research Center for Epilepsy Capital Medical University, Beijing, 100053, China.
- Beijing Municipal Geriatric Medical Research Center, Beijing, 100053, China.
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Singh R, Kaur N, Choubey V, Dhingra N, Kaur T. Endoplasmic reticulum stress and its role in various neurodegenerative diseases. Brain Res 2024; 1826:148742. [PMID: 38159591 DOI: 10.1016/j.brainres.2023.148742] [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: 08/18/2023] [Revised: 12/07/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024]
Abstract
The Endoplasmic reticulum (ER), a critical cellular organelle, maintains cellular homeostasis by regulating calcium levels and orchestrating essential functions such as protein synthesis, folding, and lipid production. A pivotal aspect of ER function is its role in protein quality control. When misfolded proteins accumulate within the ER due to factors like protein folding chaperone dysfunction, toxicity, oxidative stress, or inflammation, it triggers the Unfolded protein response (UPR). The UPR involves the activation of chaperones like calnexin, calreticulin, glucose-regulating protein 78 (GRP78), and Glucose-regulating protein 94 (GRP94), along with oxidoreductases like protein disulphide isomerases (PDIs). Cells employ the Endoplasmic reticulum-associated degradation (ERAD) mechanism to counteract protein misfolding. ERAD disruption causes the detachment of GRP78 from transmembrane proteins, initiating a cascade involving Inositol-requiring kinase/endoribonuclease 1 (IRE1), Activating transcription factor 6 (ATF6), and Protein kinase RNA-like endoplasmic reticulum kinase (PERK) pathways. The accumulation and deposition of misfolded proteins within the cell are hallmarks of numerous neurodegenerative diseases. These aberrant proteins disrupt normal neuronal signalling and contribute to impaired cellular homeostasis, including oxidative stress and compromised protein degradation pathways. In essence, ER stress is defined as the cellular response to the accumulation of misfolded proteins in the endoplasmic reticulum, encompassing a series of signalling pathways and molecular events that aim to restore cellular homeostasis. This comprehensive review explores ER stress and its profound implications for the pathogenesis and progression of neurodegenerative diseases.
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Affiliation(s)
- Rimaljot Singh
- Department of Biophysics, Panjab University Chandigarh, India
| | - Navpreet Kaur
- Department of Biophysics, Panjab University Chandigarh, India
| | - Vinay Choubey
- Department of Pharmacology, University of Tartu, Ravila 19, 51014 Tartu, Estonia
| | - Neelima Dhingra
- University Institute of Pharmaceutical Sciences, Panjab University Chandigarh, India
| | - Tanzeer Kaur
- Department of Biophysics, Panjab University Chandigarh, India.
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O'Dwyer R, Foster E, Leppik I, Kwan P. Pharmacological treatment for older adults with epilepsy and comorbid neurodegenerative disorders. Curr Opin Neurol 2023; 36:117-123. [PMID: 36762636 DOI: 10.1097/wco.0000000000001143] [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: 02/11/2023]
Abstract
PURPOSE OF REVIEW An increased interest in epilepsy in older adults has emerged as the global population ages. The purpose of this article is to review the literature regarding the pharmacological treatment of epilepsy in older adults, highlighting issues specifically pertinent to those living with comorbid neurodegenerative disorders. RECENT FINDINGS Although new original research remains sparse, in the last 5 years, there has been a growing number of studies addressing the relationship between epilepsy and neurodegenerative disorders. Accurate diagnosis is incredibly challenging with electroencephalogram findings often requiring circumspect interpretation. Older individuals are often excluded from or under-represented in clinical trials, and there are sparse guidelines offered on the management of these patients, with even less available in reference to those with neurodegenerative comorbidities. SUMMARY We propose that seizures occurring earlier in the neurodegenerative process should be treated aggressively, with the goal to inhibit neuro-excitotoxicity and the associated neuronal loss. By strategically choosing newer antiseizure medications with less adverse effects and a holistic approach to treatment, a patient's time living independently can be conserved. In addition, we advocate for original, multinational collaborative research efforts.
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Affiliation(s)
- Rebecca O'Dwyer
- Rush Epilepsy Center, Rush University Medical Center, Chicago, Illinois, USA
| | - Emma Foster
- Central Clinical School, Monash University
- Neurology Department, The Alfred, Melbourne, Victoria, Australia
| | - Ilo Leppik
- MINCEP Epilepsy Care, University of Minnesota, Minneapolis, Minnesota, USA
| | - Patrick Kwan
- Central Clinical School, Monash University
- Neurology Department, The Alfred, Melbourne, Victoria, Australia
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Seizure in Neurodegeneration with Brain Iron Accumulation: A Systematic Review. Can J Neurol Sci 2023; 50:60-71. [PMID: 35067244 DOI: 10.1017/cjn.2021.502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Neurodegeneration with brain iron accumulation (NBIA) is a rare genetic disorder. Its clinical manifestations comprise a wide spectrum mainly movement disorders. Seizure as a clinical manifestation is known to occur in some NBIAs, but the exact prevalence of epilepsy in each individual disorder is not well elucidated. The aim of this review was to investigate the frequency of seizures in NBIA disorders as well as to determine the associated features of patients with seizures. METHOD The electronic bibliographic databases PubMed, Scopus, Embase, and Google Scholar were systematically searched for all cases in any type of article from inception to December 16, 2019. All the reported cases of NBIA (with or without genetic confirmation) were identified. Case reports with an explicit diagnosis of any types of NBIA, which have reported occurrence (or absence) of any type of seizure or epilepsy, in the English language, were included. Seizure incidence rate, type, and age of onset were reported as frequencies and percentages. RESULT 1698 articles were identified and 51 were included in this review. Of 305 reported cases, 150 (49.2%) had seizures (phospholipase A2-associated neurodegeneration (PLAN) = 64 (50.8%), beta-propeller protein-associated neurodegeneration (BPAN) = 57 (72.1%), pantothenate kinase-associated neurodegeneration (PKAN) = 11 (23.4%), and others = 18 (very variable proportions)). The most frequent seizure type in NBIA patients was generalized tonic-clonic seizure with the mean age of seizure onset between 2 and 36 years. However, most of these papers had been published before the new classification of epilepsy became accessible. Affected patients were more likely to be females. CONCLUSION Seizures are common in NBIA, particularly in PLAN and BPAN. In PKAN, the most common type of NBIA, around 10% of patients are affected by seizures. BPAN is the most possible NBIA accompanying seizure. Most of the findings regarding the seizure characteristics in the NBIAs are biased due to the huge missing data. Therefore, any conclusions should be made with caution and need further investigations.
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Cano A, Fonseca E, Ettcheto M, Sánchez-López E, de Rojas I, Alonso-Lana S, Morató X, Souto EB, Toledo M, Boada M, Marquié M, Ruíz A. Epilepsy in Neurodegenerative Diseases: Related Drugs and Molecular Pathways. Pharmaceuticals (Basel) 2021; 14:1057. [PMID: 34681281 PMCID: PMC8538968 DOI: 10.3390/ph14101057] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/14/2021] [Accepted: 10/14/2021] [Indexed: 12/17/2022] Open
Abstract
Epilepsy is a chronic disease of the central nervous system characterized by an electrical imbalance in neurons. It is the second most prevalent neurological disease, with 50 million people affected around the world, and 30% of all epilepsies do not respond to available treatments. Currently, the main hypothesis about the molecular processes that trigger epileptic seizures and promote the neurotoxic effects that lead to cell death focuses on the exacerbation of the glutamate pathway and the massive influx of Ca2+ into neurons by different factors. However, other mechanisms have been proposed, and most of them have also been described in other neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease, Huntington's disease, or multiple sclerosis. Interestingly, and mainly because of these common molecular links and the lack of effective treatments for these diseases, some antiseizure drugs have been investigated to evaluate their therapeutic potential in these pathologies. Therefore, in this review, we thoroughly investigate the common molecular pathways between epilepsy and the major neurodegenerative diseases, examine the incidence of epilepsy in these populations, and explore the use of current and innovative antiseizure drugs in the treatment of refractory epilepsy and other neurodegenerative diseases.
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Affiliation(s)
- Amanda Cano
- Ace Alzheimer Center Barcelona, Universitat Internacional de Catalunya (UIC), 08029 Barcelona, Spain; (I.d.R.); (S.A.-L.); (X.M.); (M.B.); (M.M.); (A.R.)
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain; (M.E.); (E.S.-L.)
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), 08028 Barcelona, Spain
| | - Elena Fonseca
- Epilepsy Unit, Neurology Department, Vall d’Hebron University Hospital, 08035 Barcelona, Spain; (E.F.); (M.T.)
- Research Group on Status Epilepticus and Acute Seizures, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain
| | - Miren Ettcheto
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain; (M.E.); (E.S.-L.)
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain
- Institute of Neurosciences (UBNeuro), University of Barcelona, 08007 Barcelona, Spain
| | - Elena Sánchez-López
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain; (M.E.); (E.S.-L.)
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), 08028 Barcelona, Spain
| | - Itziar de Rojas
- Ace Alzheimer Center Barcelona, Universitat Internacional de Catalunya (UIC), 08029 Barcelona, Spain; (I.d.R.); (S.A.-L.); (X.M.); (M.B.); (M.M.); (A.R.)
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain; (M.E.); (E.S.-L.)
| | - Silvia Alonso-Lana
- Ace Alzheimer Center Barcelona, Universitat Internacional de Catalunya (UIC), 08029 Barcelona, Spain; (I.d.R.); (S.A.-L.); (X.M.); (M.B.); (M.M.); (A.R.)
| | - Xavier Morató
- Ace Alzheimer Center Barcelona, Universitat Internacional de Catalunya (UIC), 08029 Barcelona, Spain; (I.d.R.); (S.A.-L.); (X.M.); (M.B.); (M.M.); (A.R.)
| | - Eliana B. Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, 3004-531 Coimbra, Portugal;
- Centre of Biological Engineering (CEB), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Manuel Toledo
- Epilepsy Unit, Neurology Department, Vall d’Hebron University Hospital, 08035 Barcelona, Spain; (E.F.); (M.T.)
- Research Group on Status Epilepticus and Acute Seizures, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain
| | - Mercè Boada
- Ace Alzheimer Center Barcelona, Universitat Internacional de Catalunya (UIC), 08029 Barcelona, Spain; (I.d.R.); (S.A.-L.); (X.M.); (M.B.); (M.M.); (A.R.)
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain; (M.E.); (E.S.-L.)
| | - Marta Marquié
- Ace Alzheimer Center Barcelona, Universitat Internacional de Catalunya (UIC), 08029 Barcelona, Spain; (I.d.R.); (S.A.-L.); (X.M.); (M.B.); (M.M.); (A.R.)
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain; (M.E.); (E.S.-L.)
| | - Agustín Ruíz
- Ace Alzheimer Center Barcelona, Universitat Internacional de Catalunya (UIC), 08029 Barcelona, Spain; (I.d.R.); (S.A.-L.); (X.M.); (M.B.); (M.M.); (A.R.)
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain; (M.E.); (E.S.-L.)
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Oonk NGM, Movig KLL, van der Palen J, Nijmeijer HW, van Kesteren ME, Dorresteijn LDA. The Impact of Non-dopaminergic Medication on Quality of Life in Parkinson's Disease. Clin Drug Investig 2021; 41:809-816. [PMID: 34374959 DOI: 10.1007/s40261-021-01064-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/15/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND AND OBJECTIVES Quality of life (QoL) in Parkinson's disease (PD) depends on multiple factors. Due to PD treatment and accompanying, age-related or independent comorbidities, pill burden is often high. The relation of QoL and pharmacotherapy for comorbidities in PD has not been widely studied. This study investigated if and to what extent non-dopaminergic drugs are related to QoL in PD. Second, the impact of demographics and non-motor symptoms were evaluated. A better understanding of the impact of different non-dopaminergic drugs and polypharmacy on QoL will have added value in selecting appropriate (medication) interventions. METHODS In a cross-sectional analysis, medication prescription data of 209 PD patients were analyzed and grouped according to the Rx-Risk comorbidity index. QoL was measured using the PDQ-39 questionnaire. Non-motor symptoms were analyzed with the Non-Motor Symptoms questionnaire. Independent factors associated with a reduced QoL were identified with a multivariate linear regression analysis. RESULTS Non-dopaminergic drugs, subdivided into Rx-Risk comorbidity categories, were not associated with reduced QoL, except for the use of anti-epileptic drugs. However, using more daily non-dopaminergic drugs was also negatively associated with QoL, as well as female sex, increased PD severity, and more non-motor symptoms. Contraindicated non-dopaminergic medication was barely prescribed (0.4%). CONCLUSION Non-dopaminergic drugs are frequently prescribed, and higher numbers are associated with impaired QoL in PD. However, when divided in drug types, only anti-epileptic drugs were negatively associated with QoL. In these patients, physicians might improve QoL by further optimizing the condition it was prescribed for (e.g., pain or anxiety), or managing of side effects. TRIAL REGISTRATION Netherlands Trial Register; NL4360.
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Affiliation(s)
- Nicol G M Oonk
- Department of Neurology, Medisch Spectrum Twente, Enschede, The Netherlands.
| | - Kris L L Movig
- Department of Clinical Pharmacy, Medisch Spectrum Twente, Enschede, The Netherlands
| | - Job van der Palen
- Department of Epidemiology, Medisch Spectrum Twente, Enschede, The Netherlands.,Department of Research Methodology, Measurement, and Data Analysis, University of Twente, Enschede, The Netherlands
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Wang X, Loi SM, Foster E, Chen Z, Velakoulis D, Kwan P. Predictors of New-Onset Epilepsy in People With Younger-Onset Neurocognitive Disorders. Front Aging Neurosci 2021; 13:637260. [PMID: 33815091 PMCID: PMC8010684 DOI: 10.3389/fnagi.2021.637260] [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] [Received: 12/03/2020] [Accepted: 02/23/2021] [Indexed: 01/19/2023] Open
Abstract
Objective: People with neurocognitive disorders (NCDs) have an increased risk of epilepsy. However, most studies investigating the risk of seizures in people with NCDs are limited to those with Alzheimer's disease (AD) and vascular dementia (VD), and those who developed dementia after age 65 years. A knowledge gap exists regarding factors associated with development of epilepsy in people with younger-onset NCD, and those with non-AD and non-VD dementia subtypes. In this study, we aimed to identify the factors associated with the development of epilepsy in people with younger-onset NCDs of varied etiologies, the majority of whom had symptom onset prior to age 65 years. Participants and Methods: This was a retrospective study reviewing the medical records of consecutive people admitted with cognitive impairment to a tertiary neuropsychiatry unit between 1 January 2004 and 30 April 2019. People diagnosed with primary NCDs were included in the analysis. The prevalence and characteristics of epilepsy were described. The factors associated with developing epilepsy were identified in a binary logistic regression model. Results: A total of 427 people were included. One hundred fourteen had Alzheimer's disease, 104 frontotemporal dementia, 51 vascular dementia, 69 movement disorder-associated dementia, and 89 unspecified NCD. The median age on admission was 59 years (range 33-86) and 75.2% (n = 321/427) had young-onset NCD with onset before 65 years of age. 40/427 (9.4%) people had epilepsy, and epilepsy onset clustered between 2 years before and 6 years after the onset of cognitive decline in 80% (n = 32/40). The most frequent seizure type was focal to bilateral tonic-clonic seizure (35%, n = 14/40). Most of the people (94.7%, n = 36/38) achieved seizure freedom with one or two antiseizure medications. People with unspecified NCD (compared to frontotemporal dementia and movement disorder-associated dementia, age of onset of NCDs ≤50 years, and current smoking status were independently associated with higher risk of developing epilepsy. Conclusion: Epilepsy is common in people with younger-onset NCDs, and a high index of suspicion is warranted particularly for those with unspecified subtype and smoking status. Smoking reduction or cessation should be further investigated as a potentially modifiable factor for risk reduction.
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Affiliation(s)
- Xinshi Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,Department of Neuroscience, The Central Clinical School, Monash University, Melbourne, VIC, Australia.,Department of Neurology, The Royal Melbourne Hospital, The University of Melbourne, Melbourne, VIC, Australia
| | - Samantha M Loi
- Neuropsychiatry, The Royal Melbourne Hospital and Melbourne Neuropsychiatry Center, The University of Melbourne and The Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - Emma Foster
- Department of Neuroscience, The Central Clinical School, Monash University, Melbourne, VIC, Australia.,Department of Neurology, The Royal Melbourne Hospital, The University of Melbourne, Melbourne, VIC, Australia
| | - Zhibin Chen
- Department of Neuroscience, The Central Clinical School, Monash University, Melbourne, VIC, Australia.,School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Dennis Velakoulis
- Neuropsychiatry, The Royal Melbourne Hospital and Melbourne Neuropsychiatry Center, The University of Melbourne and The Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - Patrick Kwan
- Department of Neuroscience, The Central Clinical School, Monash University, Melbourne, VIC, Australia.,Department of Neurology, The Royal Melbourne Hospital, The University of Melbourne, Melbourne, VIC, Australia.,School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
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Freitas ME, Ruiz-Lopez M, Dalmau J, Erro R, Privitera M, Andrade D, Fasano A. Seizures and movement disorders: phenomenology, diagnostic challenges and therapeutic approaches. J Neurol Neurosurg Psychiatry 2019; 90:920-928. [PMID: 30796133 DOI: 10.1136/jnnp-2018-320039] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 02/06/2019] [Accepted: 02/07/2019] [Indexed: 02/07/2023]
Abstract
Seizures and movement disorders (MDs) are distinct neurological conditions presenting with abnormal movements. Despite sharing an overlap in phenomenology, these movements have different origins. In order to explore the overlaps and the narrow boundaries between these two conditions, we performed a review of the literature to explore the risk of seizures in MDs. We discussed the mimics and chameleons including MDs that look like seizure (eg, paroxysmal dyskinesia, status dystonicus) and seizures that look like MDs (eg, epilepsia partialis continua, nocturnal frontal lobe epilepsy). Additionally, we examined the therapeutic challenges as well as the anatomical and chemical pathways relevant in the interplay between epilepsy and MDs. Finally, we proposed an algorithm to guide clinicians towards the final diagnosis of conditions characterised by the co-occurrence of MDs and seizures.
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Affiliation(s)
- Maria Eliza Freitas
- Medicine, McMaster University Division of Neurology, Hamilton, Ontario, Canada
| | - Marta Ruiz-Lopez
- Service of Neurology, Fundación Jimenez Diaz University Hospital, Madrid, Spain
| | - Josep Dalmau
- Department of Neurology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Roberto Erro
- Department of Medicine, Surgery and Dentistry 'Scuola Medica Salernitana', University of Salerno, UCL Institute of Neurology, Baronissi, Italy
| | - Michael Privitera
- Epilepsy Center, University of Cincinnati Gardner Neuroscience Institute, Cincinnati, Ohio, USA
| | | | - Alfonso Fasano
- Neurology, Krembil Brain Institute; Movement Disorders Centre and the Edmond J Safra Program in Parkinson's Disease, Toronto, Ontario, Canada
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Handforth A, Parker GA. Conditions Associated with Essential Tremor in Veterans: A Potential Role for Chronic Stress. TREMOR AND OTHER HYPERKINETIC MOVEMENTS (NEW YORK, N.Y.) 2018; 8:517. [PMID: 29971194 PMCID: PMC6026277 DOI: 10.7916/d8vd8ff5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 04/06/2018] [Indexed: 02/06/2023]
Abstract
Background Increased depression, hearing loss, dementia, alcoholism, and mortality in essential tremor patients remain unexplained. We investigated whether conditions associated with tremor are linked to chronic stress. Methods The FY2013 Veterans Affairs database was queried for 38 selected dual diagnosis combinations in 5,854,223 veterans aged 21–95 years. Results Post-traumatic stress disorder, anxiety, and depression were the most common psychiatric diagnoses in tremor patients, with the odds ratio exceeding 2 in all 15-year cohorts. Depending on age, patients with essential tremor were more likely than those without to have obsessive–compulsive disorder, bipolar illness, schizophrenia, use tobacco and abuse alcohol, have hypertension, obesity, hyperlipidemia, diabetes, vitamin D deficiency, coronary and cerebrovascular diseases, congestive heart failure, stroke, asthma, hypothyroidism, irritable bowel syndrome, renal insufficiency, alcoholic liver disease, hearing loss, glaucoma, macular degeneration, migraine, epilepsy, idiopathic polyneuropathy, history of head trauma, and ‘Alzheimer’s dementia. In contrast, lung and colorectal cancer, amyotrophic lateral sclerosis, psychostimulant abuse, and rheumatoid arthritis were not more common. Discussion Post-traumatic stress disorder, anxiety, and depression, strongly associated with essential tremor, are known risk factors for poor health habits, tobacco use and alcohol abuse; collectively these are risk factors for vascular disease, with further negative health consequences for multiple organ systems. As essential tremor is associated with all these conditions, we propose that chronic stress is not only responsible for the conditions associated with tremor but in some cases itself directly and indirectly induces essential tremor, so that tremor and poor health share a common cause.
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Affiliation(s)
- Adrian Handforth
- Neurology Service, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA, USA
| | - Gail A Parker
- Knowledge Management, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA, USA
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Gruntz K, Bloechliger M, Becker C, Jick SS, Fuhr P, Meier CR, Rüegg S. Parkinson disease and the risk of epileptic seizures. Ann Neurol 2018; 83:363-374. [DOI: 10.1002/ana.25157] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 01/23/2018] [Accepted: 01/23/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Katharina Gruntz
- Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences; University of Basel; Basel Switzerland
| | - Marlene Bloechliger
- Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences; University of Basel; Basel Switzerland
| | - Claudia Becker
- Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences; University of Basel; Basel Switzerland
| | - Susan S. Jick
- Boston Collaborative Drug Surveillance Program; Lexington MA
- Boston University School of Public Health; Boston MA
| | - Peter Fuhr
- Division of Clinical Neurophysiology, Department of Neurology; University Hospital Basel; Basel Switzerland
| | - Christoph R. Meier
- Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences; University of Basel; Basel Switzerland
- Boston Collaborative Drug Surveillance Program; Lexington MA
- Hospital Pharmacy; University Hospital Basel; Basel Switzerland
| | - Stephan Rüegg
- Division of Clinical Neurophysiology, Department of Neurology; University Hospital Basel; Basel Switzerland
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Post-traumatic Stress Disorder and Risk of Parkinson Disease: A Nationwide Longitudinal Study. Am J Geriatr Psychiatry 2017; 25:917-923. [PMID: 28416268 DOI: 10.1016/j.jagp.2017.03.012] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 03/08/2017] [Accepted: 03/20/2017] [Indexed: 12/21/2022]
Abstract
OBJECTIVE Increasing evidence has suggested a relationship between post-traumatic stress disorder (PTSD) and neurodegenerative disorder, such as Alzheimer disease. The association between PTSD and Parkinson disease (PD), however, remains unclear. METHOD Using the Taiwan National Health Insurance Research Database, 7,280 subjects (1,456 patients aged ≥45 years with PTSD and 5,824 age-/sex-matched individuals without PTSD) were enrolled between 2002 and 2009 and followed to the end of 2011. Subjects who developed PD during the follow-up period were identified. RESULTS An increased risk of developing PD was found in patients with PTSD (Wald χ2 = 12.061, hazard ratio [HR]: 3.46, 95% confidence interval [CI]: 1.72-6.96) compared with individuals without PTSD, after adjusting for demographic data and medical and psychiatric comorbidities. The sensitivity tests after excluding the first year observation (Wald χ2 = 7.948, HR: 3.01, 95% CI: 1.40-6.46) and the first 3-year observation (Wald χ2 = 5.099, HR: 3.07, 95% CI: 1.16-8.15) were consistent. CONCLUSIONS Patients with PTSD had an elevated risk of developing PD in later life. Further studies would be required to clarify the exact pathophysiology between PTSD and PD and to investigate whether the prompt intervention for PTSD may reduce this risk.
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Cai Z, Rong M, Zhao T, Zhao L, Wang Y, Chen X. Solar-induced photoelectrochemical sensing for dopamine based on TiO2 nanoparticles on g-C3N4 decorated graphene nanosheets. J Electroanal Chem (Lausanne) 2015. [DOI: 10.1016/j.jelechem.2015.08.037] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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One-pot synthesis of magnetite nanorods/graphene composites and its catalytic activity toward electrochemical detection of dopamine. Biosens Bioelectron 2015; 64:269-76. [DOI: 10.1016/j.bios.2014.08.085] [Citation(s) in RCA: 180] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Revised: 08/13/2014] [Accepted: 08/27/2014] [Indexed: 11/21/2022]
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