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https://www.readbyqxmd.com/read/28264233/striatal-glutamate-and-gaba-after-high-frequency-subthalamic-stimulation-in-parkinsonian-rat
#1
Kyung Jin Lee, Insop Shim, Jae Hoon Sung, Jae Taek Hong, Il Sup Kim, Chul Bum Cho
OBJECTIVE: High frequency stimulation (HFS) of the subthalamic nucleus (STN) is recognized as an effective treatment of advanced Parkinson's disease. However, the neurochemical basis of its effects remains unknown. The aim of this study is to investigate the effects of STN HFS in intact and 6-hydroxydopamine (6-OHDA)-lesioned hemiparkinsonian rat model on changes of principal neurotransmitters, glutamate, and gamma-aminobutyric acid (GABA) in the striatum. METHODS: The authors examined extracellular glutamate and GABA change in the striatum on sham group, 6-OHDA group, and 6-OHDA plus deep brain stimulation (DBS) group using microdialysis methods...
March 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28254636/land-plus-aquatic-therapy-versus-land-based-rehabilitation-alone-for-the-treatment-of-balance-dysfunction-in-parkinson-s-disease-a-randomized-controlled-study-with-6-month-follow-up
#2
Grazia Palamara, Francesco Gotti, Roberto Maestri, Rossana Bera, Roberto Gargantini, Fabiola Bossio, Ilaria Zivi, Daniele Volpe, Davide Ferrazzoli, Giuseppe Frazzitta
OBJECTIVES: To assess whether a specific land-based physical intervention with the inclusion of aquatic therapy is more effective than land-based rehabilitation alone for the treatment of balance dysfunction in patients with Parkinson's disease (PD). To test the effect of these rehabilitative approaches after a 6-month follow-up period. DESIGN: Randomized controlled study with 6-month follow-up. SETTING: Department of Parkinson's Disease and Brain Injury Rehabilitation of the 'Moriggia-Pelascini' Hospital - Gravedona ed Uniti (CO, Italy)...
February 27, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28250027/predictors-of-survival-in-progressive-supranuclear-palsy-and-multiple-system-atrophy-a-systematic-review-and-meta-analysis
#3
Stella Andrea Glasmacher, Peter Nigel Leigh, Romi Anirban Saha
OBJECTIVE: To undertake a systematic review and meta-analysis of studies that investigated prognostic factors and survival in patients with progressive supranuclear palsy (PSP) and multiple system atrophy (MSA). METHODS: Publications of at least 10 patients with a likely or confirmed diagnosis of PSP or MSA were eligible for inclusion. Methodological quality was rated using a modified version of the Quality in Prognostic Studies tool. For frequently examined prognostic factors, HRs derived by univariate and multivariate analysis were pooled in separate subgroups; other results were synthesised narratively and HRs could not be reported here...
March 1, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28249117/anti-inflammatory-and-neuroprotective-activity-of-boswellic-acids-in-rotenone-parkinsonian-rats
#4
Angie Ameen, Amany Elkazaz, Hala M F A Mohammad, Bassant Mohamed Barakat
There is evidence that inflammation and oxidative stress contribute to neurodegenerative changes observed in Parkinson's disease (PD). Unfortunately, there is a lack of curative treatments for this debilitating movement disorder. Boswellic acids (BAs) are pentacyclic triterpene molecules of plant origin and have been utilized for treating many inflammatory conditions. The current study was conducted to explore the role of BAs in protection from rotenone-induced experimental Parkinsonism. Twenty four rats were assigned as vehicle group, rotenone control group: rats received rotenone (1 mg/kg) every 48...
March 1, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28187263/tetrahydroxystilbene-glucoside-inhibits-%C3%AE-synuclein-aggregation-and-apoptosis-in-a53t-%C3%AE-synuclein-transfected-cells-exposed-to-mpp-sup-sup
#5
Ruyi Zhang, Fangling Sun, Lan Zhang, Xuejing Sun, Lin Li
Increasing evidence has solidified the involvement of α-synuclein (α-Syn) and neurotoxins in the pathogenesis of Parkinson's disease (PD), suggesting a combination of genetic and environmental influences. 2,3,5,4'-Tetrahydroxystilbene -2-O-β-D-glucoside (TSG) is one of the main active components extracted from Polygonum multiflorum. The purpose of the present study was to investigate the effects of TSG on α-Syn aggregation, mitochondrial dysfunction, oxidative stress and apoptosis in vitro. A53T mutant α-synuclein-transfected cells (A53T AS cells) plus MPP+<sup></sup> exposure were used as a complex cell model of PD...
February 10, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28167456/antidepressant-and-anxiolytic-like-activity-of-sodium-selenite-after-acute-treatment-in-mice
#6
Ewa Kędzierska, Jarosław Dudka, Ewa Poleszak, Jolanta H Kotlińska
BACKGROUND: Selenium (Se) is an essential trace element for humans and animals, that is needed for a broad variety of physiological functions including thyroid hormone metabolism, protection against oxidative stress, and immunity associated functions. Human nutritional Se deficiencies are associated with neuropsychiatric diseases, like Alzheimer's disease, Parkinson's disease, obsessive - compulsive disorder, stroke, epilepsy as well as depressive behaviours. In this study we examined antidepressant- and anxiolytic-like activity of Se in the inorganic form of sodium selenite and investigated whether Se influence on the locomotor activity in mice...
November 11, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28158197/rehabilitation-in-progressive-supranuclear-palsy-effectiveness-of-two-multidisciplinary-treatments
#7
Ilaria Clerici, Davide Ferrazzoli, Roberto Maestri, Fabiola Bossio, Ilaria Zivi, Margherita Canesi, Gianni Pezzoli, Giuseppe Frazzitta
BACKGROUND: to date, there are no medical or surgical treatments for progressive supranuclear palsy (PSP). It is possible to speculate that patients with PSP could benefit from rehabilitative treatments designed for Parkinson's disease, including the use of robot-assisted walking training. OBJECTIVE: to evaluate whether the use of the robotic device Lokomat® is superior in PSP patients to the use of treadmill with visual cues and auditory feedbacks (treadmill-plus) in the context of an aerobic, multidisciplinary, intensive, motor-cognitive and goal-based rehabilitation treatment (MIRT) conceived for Parkinsonian patients...
2017: PloS One
https://www.readbyqxmd.com/read/28146614/tardive-dyskinesia-prevalence-in-the-period-of-second-generation-antipsychotic-use-a-meta-analysis
#8
Maren Carbon, Cheng-Hsi Hsieh, John M Kane, Christoph U Correll
OBJECTIVE: Comparison of tardive dyskinesia (TD) prevalence during contemporaneous treatment with first-generation antipsychotics (FGAs) and/or second-generation antipsychotics (SGAs). DATA SOURCES: PubMed/MEDLINE/Google Scholar search (January 1, 2000-September 30, 2015) without language restriction using (tardive dyskinesia OR tardive) AND (antipsychotic*) plus specific names of SGAs. STUDY SELECTION: Of 8,895 hits, we screened 203 full-text articles for cross-sectional, rating scale-based TD rates during SGA, FGA, or FGA+SGA treatment...
January 31, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28131167/conversion-to-carbidopa-and-levodopa-extended-release-ipx066-followed-by-its-extended-use-in-patients-previously-taking-controlled-release-carbidopa-levodopa-for-advanced-parkinson-s-disease
#9
James Tetrud, Paul Nausieda, David Kreitzman, Grace S Liang, Anette Nieves, Andrew P Duker, Robert A Hauser, Eric S Farbman, Aaron Ellenbogen, Ann Hsu, Sherron Kell, Sarita Khanna, Robert Rubens, Suneel Gupta
BACKGROUND: IPX066 (Rytary®; carbidopa and levodopa [CD-LD] extended-release capsules) was designed to achieve therapeutic LD plasma concentrations within 1h of dosing and maintain LD concentrations for a prolonged duration in early or advanced Parkinson's disease (PD). METHODS: In this open-label study, patients underwent 6weeks of conversion to IPX066 from their prior controlled-release (CR)±immediate-release (IR) CD-LD therapy and 6months of maintenance (with an additional 6months of IPX066 at some sites)...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28125950/fall-related-healthcare-use-and-costs-in-neurogenic-orthostatic-hypotension-with-parkinson-s-disease
#10
Clement François, Italo Biaggioni, Cyndya Shibao, Augustina Ogbonnaya, Huai-Che Shih, Eileen Farrelly, Adam Ziemann, Amy Duhig
AIMS: To compare patient characteristics, rates, and costs of medically attended falls among patients with Parkinson's disease (PD) and probable PD plus neurogenic orthostatic hypotension (PD + nOH). MATERIALS AND METHODS: MarketScan Commercial and Medicare Supplemental databases (January 1, 2009-December 31, 2013) were used to identify PD and probable PD + nOH patients. The first medical or prescription claim suggesting these diagnoses served as the index date...
February 6, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28123558/neuroprotective-effect-of-matrine-on-mptp-induced-parkinson-s-disease-and-on-nrf2-expression
#11
Fanhua Meng, Jianhui Wang, Fuxiang Ding, Yunliang Xie, Yingjie Zhang, Jie Zhu
The incidence rate of Parkinson's disease (PD) is ≤2% in Chinese individuals >65 years old, accounting for 40% of the global total of PD patients. The pathogenesis of PD is not yet clear, and oxidative stress-induced mitochondrial dysfunction is considered to be the main reason for the onset of PD. Studies have shown that matrine exhibits good antioxidant activity. Thus, the present study aimed to observe the protective effect and mechanism of matrine on 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced dopaminergic neuron damage...
January 2017: Oncology Letters
https://www.readbyqxmd.com/read/28104279/effect-of-inhibition-of-fatty-acid-amide-hydrolase-on-mptp-induced-dopaminergic-neuronal-damage
#12
J M Viveros-Paredes, R E Gonzalez-Castañeda, A Escalante-Castañeda, A R Tejeda-Martínez, F Castañeda-Achutiguí, M E Flores-Soto
INTRODUCTION: Parkinson's disease (PD) is a neurodegenerative disorder characterised by balance problems, muscle rigidity, and slow movement due to low dopamine levels and loss of dopaminergic neurons in the substantia nigra pars compacta (SNpc). The endocannabinoid system is known to modulate the nigrostriatal pathway through endogenous ligands such as anandamide (AEA), which is hydrolysed by fatty acid amide hydrolase (FAAH). The purpose of this study was to increase AEA levels using FAAH inhibitor URB597 to evaluate the modulatory effect of AEA on dopaminergic neuronal death induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)...
January 16, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28099340/clinical-effectiveness-of-acupuncture-on-parkinson-disease-a-prisma-compliant-systematic-review-and-meta-analysis
#13
REVIEW
Sook-Hyun Lee, Sabina Lim
BACKGROUND: Parkinson's disease (PD) is the second-most-common chronic and progressive neurodegenerative disease. The long-term use of levodopa leads to a loss of efficacy and to complications. Therefore, many patients with PD have turned to complementary therapies to help relieve their symptoms. Acupuncture is most commonly used as a complementary therapy in patients with PD. This paper presents a systematic review and meta-analysis of the effects of acupuncture for patients with PD...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28097465/hydroxysafflor-yellow-a-improves-motor-dysfunction-in-the-rotenone-induced-mice-model-of-parkinson-s-disease
#14
Tian Wang, Lijie Wang, Cuiting Li, Bing Han, Zhenhua Wang, Ji Li, Yan Lv, Shuyun Wang, Fenghua Fu
Dopamine D3 receptor (DRD3) is diminished in patients of Parkinson's disease (PD). Brain-derived neurotrophic factor (BDNF) is responsible for regulating expression of the DRD3 in the brain. Our previous study showed that hydroxysafflor yellow A (HSYA) could increase BDNF content in the striatum of PD mice. This experiment aimed to evaluate whether HSYA can improve the motor dysfunction induced by rotenone through regulating the BDNF/TrkB/DRD3 signaling pathway in mice. Male C57/BL6 mice were intraperitoneally treated with HSYA...
January 17, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28081533/eeg-monitoring-technique-influences-the-management-of-hypoxic-ischemic-seizures-in-neonates-undergoing-therapeutic-hypothermia
#15
Saber Jan, Frances J Northington, Charlamaine M Parkinson, Carl E Stafstrom
Electroencephalogram (EEG) monitoring techniques for neonatal hypoxia-ischemia (HI) are evolving over time, and the specific type of EEG utilized could influence seizure diagnosis and management. We examined whether the type of EEG performed affected seizure treatment decisions (e.g., the choice and number of antiseizure drugs [ASDs]) in therapeutic hypothermia-treated neonates with HI from 2007 to 2015 in the Johns Hopkins Hospital Neonatal Intensive Care Unit. During this period, 3 different EEG monitoring protocols were utilized: Period 1 (2007-2009), single, brief conventional EEG (1 h duration) at a variable time during therapeutic hypothermia treatment, i...
January 17, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28040345/imagerie-c%C3%A3-r%C3%A3-brale-dans-les-syndromes-parkinsoniens
#16
Stéphane Prange, Marc Hermier, Teodor Danaila, Chloé Laurencin, Stéphane Thobois
Role of brain imaging for Parkinsonism T brain MRI is normal in Pakinson's disease. Brain MRI is useless when clinical presentation is typical of idiopathic Parkinson's disease. Brain MRI is the exam of choice for differentiating idiopathic Parkinson's disease and atypical parkinsonism. DATscan* confirms or rules out dopaminergic degeneration but does not separate idiopathic Parkinson's disease from Parkinson "plus" syndromes. FDG PET is helpful to separate idiopathic Parkinson's disease from Parkinson "plus" syndromes...
December 28, 2016: La Presse Médicale
https://www.readbyqxmd.com/read/28017205/meige-s-syndrome-history-epidemiology-clinical-features-pathogenesis-and-treatment
#17
REVIEW
Sanjay Pandey, Soumya Sharma
'Meige's syndrome' is a type of cranial dystonia characterized by blepharospasm and oromandibular dystonia and can be associated with complex movement of lower facial muscles, mouth, jaw, tongue, pharyngeal and cervical muscles. Frequently, blepharospasm is the earliest clinical manifestation, which spreads over a period of time to involve other cranial and extra-cranial muscles. Common characteristics of this syndrome are well known, but their variety is wide. Different eponyms such as "Breughel syndrome", "Wood syndrome", "Blepharospasm plus", "Segmental cranial dystonia" and "Segmental cranio-cervical dystonia" have been used to describe this entity with numerous anatomical variations...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28005447/gynostemma-pentaphyllum-ethanolic-extract-protects-against-memory-deficits-in-an-mptp-lesioned-mouse-model-of-parkinson-s-disease-treated-with-l-dopa
#18
Kyung Sook Kim, Ting Ting Zhao, Keon Sung Shin, Hyun Jin Park, Yoon Jeong Cho, Kyung Eun Lee, Seung Hwan Kim, Myung Koo Lee
This study investigated the effects of ethanol extract from Gynostemma pentaphyllum (GP-EX) on memory deficits in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-lesioned mouse model of Parkinson's disease (PD) (MPTP-lesioned mice). MPTP (30 mg/kg/day, 5 days)-lesioned mice showed deficits of habit learning memory and spatial memory, which were further aggravated by treatment with L-3,4-dihydroxyphenylalanine (L-DOPA) (25 mg/kg, 21 days). However, treatment with GP-EX (50 mg/kg, 21 days) ameliorated memory deficits in MPTP-lesioned mice treated with L-DOPA (25 mg/kg): GP-EX prevented the decreases in retention latency time in the passive avoidance test and tyrosine hydroxylase-immunopositive cells and dopamine levels in the nigrostriatum...
January 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/27942720/assessment-of-safety-and-efficacy-of-safinamide-as-a-levodopa-adjunct-in-patients-with-parkinson-disease-and-motor-fluctuations-a-randomized-clinical-trial
#19
Anthony H V Schapira, Susan H Fox, Robert A Hauser, Joseph Jankovic, Wolfgang H Jost, Christopher Kenney, Jaime Kulisevsky, Rajesh Pahwa, Werner Poewe, Ravi Anand
Importance: Although levodopa remains the most effective oral pharmacotherapy for Parkinson disease (PD), its use is often limited by wearing off effect and dyskinesias. Management of such complications continues to be a significant challenge. Objective: To investigate the efficacy and safety of safinamide (an oral aminoamide derivative with dopaminergic and nondopaminergic actions) in levodopa-treated patients with motor fluctuations. Design, Setting, and Participants: From March 5, 2009, through February 23, 2012, patients from academic PD care centers were randomized (1:1 ratio) to receive double-blind adjunctive safinamide or placebo for 24 weeks...
February 1, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/27939113/effects-of-auditory-cues-on-gait-initiation-and-turning-in-patients-with-parkinson-s-disease
#20
J Gómez-González, P Martín-Casas, R Cano-de-la-Cuerda
OBJECTIVE: To review the available scientific evidence about the effectiveness of auditory cues during gait initiation and turning in patients with Parkinson's disease. METHODS: We conducted a literature search in the following databases: Brain, PubMed, Medline, CINAHL, Scopus, Science Direct, Web of Science, Cochrane Database of Systematic Reviews, Cochrane Library Plus, CENTRAL, Trip Database, PEDro, DARE, OTseeker, and Google Scholar. We included all studies published between 2007 and 2016 and evaluating the influence of auditory cues on independent gait initiation and turning in patients with Parkinson's disease...
December 8, 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
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