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https://www.readbyqxmd.com/read/27891695/downregulation-of-neuronal-vasoactive-intestinal-polypeptide-in-parkinson-s-disease-and-chronic-constipation
#1
F Giancola, F Torresan, R Repossi, F Bianco, R Latorre, A Ioannou, M Guarino, U Volta, P Clavenzani, M Mazzoni, R Chiocchetti, F Bazzoli, R A Travagli, C Sternini, R De Giorgio
BACKGROUND: Chronic constipation (CC) is a common and severe gastrointestinal complaint in Parkinson's disease (PD), but its pathogenesis remains poorly understood. This study evaluated functionally distinct submucosal neurons in relation to colonic motility and anorectal function in PD patients with constipation (PD/CC) vs both CC and controls. METHODS: Twenty-nine PD/CC and 10 Rome III-defined CC patients were enrolled. Twenty asymptomatic age-sex matched subjects served as controls...
November 27, 2016: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/27891159/effects-of-health-qigong-exercises-on-relieving-symptoms-of-parkinson-s-disease
#2
Xiao Lei Liu, Shihui Chen, Yongtai Wang
The purpose of this study was to investigate the effects of Health Qigong on the treatment and releasing symptoms of Parkinson's disease (PD). Fifty-four moderate PD patients (N = 54) were randomly divided into experimental and control groups. Twenty-eight PD patients were placed in the experimental group in which the prescribed medication plus Health Qigong exercise will be used as intervention. The other 26 PD patients as the control group were treated only with regular medication. Ten-week intervention had been conducted for the study, and participants completed the scheduled exercises 5 times per week for 60 minutes each time (10 minutes for warm-up, 40 minutes for the exercise, and 10 minutes for cooldown)...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/27886407/first-in-human-assessment-of-prx002-an-anti-%C3%AE-synuclein-monoclonal-antibody-in-healthy-volunteers
#3
Dale B Schenk, Martin Koller, Daniel K Ness, Sue G Griffith, Michael Grundman, Wagner Zago, Jay Soto, George Atiee, Susanne Ostrowitzki, Gene G Kinney
BACKGROUND: α-Synuclein is a major component of pathologic inclusions that characterize Parkinson's disease. PRX002 is an antibody that targets α-synuclein, and its murine parent antibody 9E4 has been shown in preclinical studies to reduce α-synuclein pathology and to protect against cognitive and motor deteriorations and progressive neurodegeneration in human α-synuclein transgenic mice. METHODS: This first-in-human, randomized, double-blind, placebo-controlled, phase 1 study assessed the impact of PRX002 administered to 40 healthy participants in 5 ascending-dose cohorts (n = 8/cohort) in which participants were randomly assigned to receive a single intravenous infusion of study drug (0...
November 25, 2016: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/27796604/repeated-sessions-of-transcranial-direct-current-stimulation-evaluation-on-fatigue-and-daytime-sleepiness-in-parkinson-s-disease
#4
Bijan Forogh, Maryam Rafiei, Amin Arbabi, Mohammad Reza Motamed, Seyed Pezhman Madani, Simin Sajadi
Parkinson is a common and disabling disease that affects patient's and career's quality of life. Unfortunately, medications, such as dopaminergic and sedative-hypnotic drugs, as an effective treatment have unwilling side effects. Recently, Transcranial Direct Current Stimulation (tDCS) in conjunction with medication becomes popular as a complementary safe treatment and several studies have proved its effectiveness on controlling motor and specially non-motor aspects of Parkinson's disease. In this randomized double-blind parallel study, 23 patients with Parkinson's disease divided into two groups of real tDCS plus occupational therapy and sham tDCS plus occupational therapy and the effects of therapeutic sessions (eight sessions tDCS with 0...
October 31, 2016: Neurological Sciences
https://www.readbyqxmd.com/read/27790086/traumatic-brain-injury-leads-to-development-of-parkinson-s-disease-related-pathology-in-mice
#5
Daniela Impellizzeri, Michela Campolo, Giuseppe Bruschetta, Rosalia Crupi, Marika Cordaro, Irene Paterniti, Salvatore Cuzzocrea, Emanuela Esposito
Traumatic brain injury (TBI) is a major health and socio-economic problem that affects all societies. This condition results from the application of external physical strength to the brain that leads to transitory or permanent structural and functional impairments. Moreover, TBI is a risk factor for neurodegeneration and can e.g., increase the risk for Parkinson's disease (PD), a late-onset neurodegenerative disorder with loss of dopaminergic neurons in substantia nigra. In this study, we wanted to explore the possible development of PD-related pathology within the context of an experimental model of TBI...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27789382/effects-of-sesamin-on-motor-and-memory-deficits-in-an-mptp-lesioned-mouse-model-of-parkinson-s-disease-treated-with-l-dopa
#6
T T Zhao, K S Shin, K S Kim, H J Park, H J Kim, K E Lee, M K Lee
The present study investigated the effects of (-)-sesamin on motor and memory deficits in a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-lesioned mouse model of Parkinson's disease (PD) with l-3,4-dihydroxyphenylalanine (l-DOPA). MPTP-lesioned (30mg/kg/day, 5days) mice showed deficits in memory including habit learning memory and spatial memory, which were further aggravated by daily treatment with 25mg/kg l-DOPA for 21days. However, daily treatment with (-)-sesamin (25 and 50mg/kg) for 21days ameliorated memory deficits in an MPTP-lesioned mouse model of PD treated with l-DOPA (25mg/kg)...
December 17, 2016: Neuroscience
https://www.readbyqxmd.com/read/27733830/cannabidiol-prevents-motor-and-cognitive-impairments-induced-by-reserpine-in-rats
#7
Fernanda F Peres, Raquel Levin, Mayra A Suiama, Mariana C Diana, Douglas A Gouvêa, Valéria Almeida, Camila M Santos, Lisandro Lungato, Antônio W Zuardi, Jaime E C Hallak, José A Crippa, D'Almeida Vânia, Regina H Silva, Vanessa C Abílio
Cannabidiol (CBD) is a non-psychotomimetic compound from Cannabis sativa that presents antipsychotic, anxiolytic, anti-inflammatory, and neuroprotective effects. In Parkinson's disease patients, CBD is able to attenuate the psychotic symptoms induced by L-DOPA and to improve quality of life. Repeated administration of reserpine in rodents induces motor impairments that are accompanied by cognitive deficits, and has been applied to model both tardive dyskinesia and Parkinson's disease. The present study investigated whether CBD administration would attenuate reserpine-induced motor and cognitive impairments in rats...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27733560/preclinical-and-clinical-assessment-of-inhaled-levodopa-for-off-episodes-in-parkinson-s-disease
#8
Michael M Lipp, Richard Batycky, Jerome Moore, Mika Leinonen, Martin I Freed
Inhaled drugs offer advantages, such as rapid onset of action, but require formulations and delivery systems that reproducibly and conveniently administer the drug. CVT-301 is a powder formulation of levodopa delivered by a breath-actuated inhaler that has been developed for treating OFF episodes (motor fluctuations between doses of standard oral levodopa) in patients with Parkinson's disease (PD). We present preclinical, phase 1, and phase 2 results for CVT-301. In dogs insufflated with a levodopa powder, plasma levodopa peaked in all animals 2...
October 12, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27722926/mpp-lesioned-mice-an-experimental-model-of-motor-emotional-memory-learning-and-striatal-neurochemical-dysfunctions
#9
Mauricio P Cunha, Francis L Pazini, Vicente Lieberknecht, Josiane Budni, Ágatha Oliveira, Júlia M Rosa, Gianni Mancini, Leidiane Mazzardo, André R Colla, Marina C Leite, Adair R S Santos, Daniel F Martins, Andreza F de Bem, Carlos Alberto S Gonçalves, Marcelo Farina, Ana Lúcia S Rodrigues
The neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) induces motor and nonmotor dysfunctions resembling Parkinson's disease (PD); however, studies investigating the effects of 1-methyl-4-phenylpyridinium (MPP(+)), an active oxidative product of MPTP, are scarce. This study investigated the behavioral and striatal neurochemical changes (related to oxidative damage, glial markers, and neurotrophic factors) 24 h after intracerebroventricular administration of MPP(+) (1.8-18 μg/mouse) in C57BL6 mice...
October 8, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27713822/population-pharmacokinetic-and-pharmacodynamic-analyses-of-safinamide-in-subjects-with-parkinson-s-disease
#10
Luca Loprete, Chiara Leuratti, Carlo Cattaneo, Mita M Thapar, Colm Farrell, Marco Sardina
Safinamide is an orally administered α-aminoamide derivative with both dopaminergic and non-dopaminergic properties. Nonlinear mixed effects models for population pharmacokinetic (PK) and pharmacokinetic-pharmacodynamic (PKPD) analyses were developed using records from, respectively, 623 and 668 patients belonging to two Phase 3, randomized, placebo-controlled, double-blind efficacy studies. The aim was to estimate safinamide population PK parameters in patients with Parkinson's disease (PD) on stable levodopa therapy, and to develop a model of safinamide effect on the PD phase of normal functioning (ON-time)...
October 2016: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/27688248/synergistic-protective-effect-of-paeoniflorin-and-%C3%AE-ecdysterone-against-rotenone-induced-neurotoxicity-in-pc12-cells
#11
Han Liu, Chunlei Yu, Tianjiao Xu, Xiaojie Zhang, Miaoxian Dong
There are several factors, like oxidative stress and neurons loss, involving neurodegenerative diseases such as Parkinson's disease (PD). The combination of antioxidant and anti-apoptotic agent is becoming a promising approach to fight against PD. This study evaluates the hypothesis that paeoniflorin (PF) and β-ecdysterone (β-Ecd) synergize to protect PC12 cells against toxicity induced by PD-related neurotoxin rotenone. The combination of PF and β-Ecd, hereafter referred to as the PF/β-Ecd, at suboptimal concentrations increased the viability of rotenone-exposed PC12 cells in a synergistic manner...
September 29, 2016: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/27679572/whole-brain-atrophy-differences-between-progressive-supranuclear-palsy-and-idiopathic-parkinson-s-disease
#12
Carlos Guevara, Katherina Bulatova, Gareth J Barker, Guido Gonzalez, Nicolas A Crossley, Matthew J Kempton
BACKGROUND: The absence of markers for ante-mortem diagnosis of progressive supranuclear palsy (PSP), results in this disorder being commonly mistaken for other conditions, such as idiopathic Parkinson's disease (IPD). Such mistakes occur particularly in the initial stages, when "plus syndrome" has not yet clinically emerged. OBJECTIVE: To investigate the global brain volume and tissue loss in patients with PSP relative to patients with IPD and healthy controls and correlations between clinical parameters and magnetic resonance imaging (MRI)-derived brain volume estimates...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27676247/a-novel-approach-to-proactive-primary-care-based-case-finding-and-multidisciplinary-management-of-falls-syncope-and-dizziness-in-a-one-stop-service-preliminary-results
#13
Steve W Parry, Harry Hill, Joanna Lawson, Nick Lawson, David Green, Heidi Trundle, Judith McNaught, Victoria Strassheim, Alma Caldwell, Richard Mayland, Phillip Earley, Peter McMeekin
National and international evidence and guidelines on falls prevention and management in community-dwelling elderly adults recommend that falls services should be multifactorial and their interventions multicomponent. The way that individuals are identified as having had or being at risk of falls in order to take advantage of such services is far less clear. A novel multidisciplinary, multifactorial falls, syncope, and dizziness service model was designed with enhanced case ascertainment through proactive, primary care-based screening (of individual case notes of individuals aged ≥60) for individual fall risk factors...
November 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27623763/healthcare-applications-of-smart-watches-a-systematic-review
#14
Tsung-Chien Lu, Chia-Ming Fu, Matthew Huei-Ming Ma, Cheng-Chung Fang, Anne M Turner
OBJECTIVE: The aim of this systematic review is to synthesize research studies involving the use of smart watch devices for healthcare. MATERIALS AND METHODS: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) was chosen as the systematic review methodology. We searched PubMed, CINAHL Plus, EMBASE, ACM, and IEEE Xplore. In order to include ongoing clinical trials, we also searched ClinicalTrials.gov. Two investigators evaluated the retrieved articles for inclusion...
September 14, 2016: Applied Clinical Informatics
https://www.readbyqxmd.com/read/27623111/pain-in-extrapyramidal-neurodegenerative-diseases
#15
Shlomit Yust Katz, Ronly Hershkovitz, Tanya Gurevich, Ruth Djaldetti
OBJECTIVE: Pain is one of the most common non-motor symptoms of Parkinson disease (PD) and other Parkinson plus syndromes, with a major effect on quality of life. The aims of the study were to examine the prevalence and characteristics of pain in PD and other Parkinson plus syndromes and patient use and response to pain medications. METHODS: The cohort consisted of 371 patients: 300 (81%) with PD and 71 (19%) with Parkinson plus syndromes. Data on clinical parameters and pain were collected by questionnaire...
September 10, 2016: Clinical Journal of Pain
https://www.readbyqxmd.com/read/27583361/longitudinal-executive-changes-in-drivers-with-parkinson-s-disease-study-using-neuropsychological-and-driving-simulator-tasks
#16
Maud Ranchet, Emmanuel Broussolle, Laurence Paire-Ficout
BACKGROUND/AIMS: (1) To investigate how specific executive functions change over 2 years in drivers with Parkinson's disease (PD) compared to controls, using both neuropsychological and driving simulator tasks; and (2) to explore the association between the decline of specific executive functions and changes in driving habits in PD. METHODS: Sixteen PD patients and 21 controls underwent neuropsychological testing twice and performed tasks on a driving simulator, with an interval of approximately 2 years...
September 2, 2016: European Neurology
https://www.readbyqxmd.com/read/27527575/presence-characteristics-and-equity-of-access-to-breast-cancer-screening-programmes-in-27-european-countries-in-2010-and-2014-results-from-an-international-survey
#17
S Deandrea, A Molina-Barceló, A Uluturk, J Moreno, L Neamtiu, R Peiró-Pérez, Z Saz-Parkinson, J Lopez-Alcalde, D Lerda, D Salas
The European Union Council Recommendation of 2 December 2003 on cancer screening suggests the implementation of organised, population-based breast cancer screening programmes based on mammography every other year for women aged 50 to 69years, ensuring equal access to screening, taking into account potential needs for targeting particular socioeconomic groups. A European survey on coverage and participation, and key organisational and policy characteristics of the programmes, targeting years 2010 and 2014, was undertaken in 2014...
October 2016: Preventive Medicine
https://www.readbyqxmd.com/read/27524393/addition-of-a-non-immersive-virtual-reality-component-to-treadmill-training-to-reduce-fall-risk-in-older-adults-v-time-a-randomised-controlled-trial
#18
RANDOMIZED CONTROLLED TRIAL
Anat Mirelman, Lynn Rochester, Inbal Maidan, Silvia Del Din, Lisa Alcock, Freek Nieuwhof, Marcel Olde Rikkert, Bastiaan R Bloem, Elisa Pelosin, Laura Avanzino, Giovanni Abbruzzese, Kim Dockx, Esther Bekkers, Nir Giladi, Alice Nieuwboer, Jeffrey M Hausdorff
BACKGROUND: Age-associated motor and cognitive deficits increase the risk of falls, a major cause of morbidity and mortality. Because of the significant ramifications of falls, many interventions have been proposed, but few have aimed to prevent falls via an integrated approach targeting both motor and cognitive function. We aimed to test the hypothesis that an intervention combining treadmill training with non-immersive virtual reality (VR) to target both cognitive aspects of safe ambulation and mobility would lead to fewer falls than would treadmill training alone...
September 17, 2016: Lancet
https://www.readbyqxmd.com/read/27511183/evolution-of-clinical-features-in-possible-dlb-depending-on-fp-cit-spect-result
#19
Zuzana Walker, Emilio Moreno, Alan Thomas, Fraser Inglis, Naji Tabet, Tim Stevens, Tim Whitfield, Dag Aarsland, Michael Rainer, Alessandro Padovani
OBJECTIVE: To test the hypothesis that core and suggestive features in possible dementia with Lewy bodies (DLB) would vary in their ability to predict an abnormal dopamine transporter scan and therefore a follow-up diagnosis of probable DLB. A further objective was to assess the evolution of core and suggestive features in patients with possible DLB over time depending on the (123)I-FP-CIT SPECT scan result. METHODS: A total of 187 patients with possible DLB (dementia plus one core or one suggestive feature) were randomized to have dopamine transporter imaging or to follow-up without scan...
September 6, 2016: Neurology
https://www.readbyqxmd.com/read/27498199/opicapone-a-review-in-parkinson-s-disease
#20
Lesley J Scott
Oral opicapone (Ongentys(®)), a potent, third-generation, long-acting, peripheral catechol-O-methyltransferase (COMT) inhibitor, is approved as adjunctive treatment to levodopa (L-Dopa)/dopa-decarboxylase inhibitor (DDCI) therapy in adults with Parkinson's disease (PD) and end-of-dose motor fluctuations who cannot be stabilized on those combinations. In 14- to 15-week, double-blind, multinational trials and in 1-year, open-label extension studies in this patient population, opicapone was an effective and generally well tolerated adjunctive therapy to L-Dopa plus a DDCI and other PD therapy...
September 2016: Drugs
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