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Parkinson AND Treatment

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https://www.readbyqxmd.com/read/30517862/inhibiting-stearoyl-coa-desaturase-ameliorates-%C3%AE-synuclein-cytotoxicity
#1
Benjamin M Vincent, Daniel F Tardiff, Jeff S Piotrowski, Rebecca Aron, Matthew C Lucas, Chee Yeun Chung, Helene Bacherman, YiQun Chen, Michelle Pires, Radha Subramaniam, Dimple B Doshi, Heather Sadlish, Waseem K Raja, Eric J Solís, Vikram Khurana, Bertrand Le Bourdonnec, Robert H Scannevin, Kenneth J Rhodes
The lack of disease-modifying treatments for neurodegenerative disease stems in part from our rudimentary understanding of disease mechanisms and the paucity of targets for therapeutic intervention. Here we used an integrated discovery paradigm to identify a new therapeutic target for diseases caused by α-synuclein (α-syn), a small lipid-binding protein that misfolds and aggregates in Parkinson's disease and other disorders. Using unbiased phenotypic screening, we identified a series of compounds that were cytoprotective against α-syn-mediated toxicity by inhibiting the highly conserved enzyme stearoyl-CoA desaturase (SCD)...
December 4, 2018: Cell Reports
https://www.readbyqxmd.com/read/30515441/the-outcome-of-dopamine-dysregulation-syndrome-in-parkinson-s-disease-a-retrospective-postmortem-study
#2
Pedro Barbosa, Atbin Djamshidian, Andrew J Lees, Thomas T Warner
Introduction: We have performed a retrospective analysis of the frequency and relation to treatment of dopamine dysregulation syndrome (DDS) using the Queen Square Brain Bank (QSBB) database. Methods: A search of the QSBB database for consecutive cases donated between 2005 and 2016 with a pathological diagnosis of Parkinson's disease was performed. Results: DDS was present in 8.8% of cases, was more prevalent in males, and was associated with younger age of onset, longer disease duration, and more dopa-induced dyskinesias...
September 2018: Movement Disorders Clinical Practice
https://www.readbyqxmd.com/read/30515435/understanding-impact-and-communication-of-off-periods-in-parkinson-s-disease-a-scoping-review
#3
REVIEW
Tara Rastgardani, Melissa J Armstrong, Anna R Gagliardi, Connie Marras
Background: Off periods are a common and disabling symptom of Parkinson's disease. We reviewed published research on understanding, impact, and communication regarding off periods to identify issues warranting further research. Methods: We performed a scoping review, searching MEDLINE, EMBASE, Cochrane Library, CINAHL, and PsycINFO from 2006 to January 2018 for studies examining the impact of, understanding of, or communication about off periods. Results: Twenty-six papers met eligibility criteria...
September 2018: Movement Disorders Clinical Practice
https://www.readbyqxmd.com/read/30515290/diagnostic-validation-for-participants-in-the-washington-state-parkinson-disease-registry
#4
Hojoong M Kim, James B Leverenz, Daniel J Burdick, Sindhu Srivatsal, Jennifer Pate, Shu-Ching Hu, Steven P Millard, Marie Y Davis, Ali Samii, Cyrus P Zabetian
Background: The Washington State Parkinson Disease Registry (WPDR) was created to facilitate recruitment for Parkinson's disease (PD) research studies conducted in the Pacific Northwest. The success of registries that rely on self-report is dependent on the accuracy of the information provided by participants, particularly diagnosis. Objective and Methods: Our goal was to assess diagnostic accuracy within the WPDR cohort. We randomly selected and attempted to contact 168 of the 1,278 actively enrolled WPDR participants...
2018: Parkinson's Disease
https://www.readbyqxmd.com/read/30513722/ontogenetic-change-in-the-venom-of-mexican-black-tailed-rattlesnakes-crotalus-molossus-nigrescens
#5
Miguel Borja, Edgar Neri-Castro, Rebeca Pérez-Morales, Jason L Strickland, Roberto Ponce-López, Christopher L Parkinson, Jorge Espinosa-Fematt, Jorge Sáenz-Mata, Esau Flores-Martínez, Alejandro Alagón, Gamaliel Castañeda-Gaytán
Ontogenetic changes in venom composition have important ecological implications due the relevance of venom in prey acquisition and defense. Additionally, intraspecific venom variation has direct medical consequences for the treatment of snakebite. However, ontogenetic changes are not well documented in most species. The Mexican Black-tailed Rattlesnake ( Crotalus molossus nigrescens ) is large-bodied and broadly distributed in Mexico. To document venom variation and test for ontogenetic changes in venom composition, we obtained venom samples from twenty-seven C...
December 1, 2018: Toxins
https://www.readbyqxmd.com/read/30513525/simvastatin-protects-dopaminergic-neurons-against-mpp-induced-oxidative-stress-and-regulates-the-endogenous-anti-oxidant-system-through-erk
#6
Junqiang Yan, Liang Qiao, Jiannan Wu, Hua Fan, Jiachun Sun, Yude Zhang
BACKGROUND/AIMS: Many clinical studies have demonstrated that statins, especially simvastatin, can decrease the incidence of Parkinson's disease (PD). However, the specific underlying mechanism remains unclear. This study aimed to investigate how simvastatin affects experimental parkinsonian models via the regulation of extracellular signal-regulated kinase 1/2 (ERK1/2)-mediated activation of the anti-oxidant system. METHODS: l-Methyl-4-phenylpyridine ion (MPP+)-treated SH-SY5Y cells and substantia nigra neurons were used to investigate the neuroprotective effect of simvastatin...
December 4, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/30513224/therapeutic-potential-of-panax-ginseng-and-its-constituents-ginsenosides-and-gintonin-in-neurological-and-neurodegenerative-disorders-a-patent-review
#7
Arezoo Rajabian, Maryam Rameshrad, Hossein Hosseinzadeh
Ginseng, Panax ginseng, has been used for various diseases and proven its great efficacy in managing central nervous system diseases. Area covered: This article covers the therapeutic potential of patents on ginseng and its active constituents to develop therapies for neurodegenerative and neurological disorders, since 2010. The literature review was provided using multiple search engines including Google Patent, Espacenet and US Patent in the field of neurodegenerative diseases, Alzheimer's disease, Parkinson's disease, cognitive, and neurological disorders...
December 4, 2018: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/30511349/neuroprotective-actions-of-glucagon-like-peptide-1-glp-1-analogues-in-alzheimer-s-and-parkinson-s-diseases
#8
Andre F Batista, Victor Bodart-Santos, Fernanda G De Felice, Sergio T Ferreira
The current absence of effective treatments for Alzheimer's disease (AD) and Parkinson's disease (PD) reflects an incomplete knowledge of the underlying disease processes. Considerable efforts have been made to investigate the central pathological features of these diseases, giving rise to numerous attempts to develop compounds that interfere with such features. However, further characterization of the molecular targets within the interconnected AD and PD pathways is still required. Impaired brain insulin signaling has emerged as a feature that contributes to neuronal dysfunction in both AD and PD, leading to strategies aiming at restoring this pathway in the brain...
December 3, 2018: CNS Drugs
https://www.readbyqxmd.com/read/30511213/lower-urinary-tract-symptoms-treatment-constraints-assessment-luts-tca-a-new-tool-for-a-global-evaluation-of-neurogenic-bladder-treatments
#9
Nicolas Turmel, Pierre Lévy, Claire Hentzen, Camille Chesnel, Audrey Charlanes, Samer Sheikh-Ismael, Gérard Amarenco, Philippe Manceau
OBJECTIVES: To develop a new tool to assess constraints due to urinary treatments in neurological patients. MATERIALS AND METHODS: A prospective, monocentric study has been conducted from January to May 2017. Out-patients (multiple sclerosis, spinal cord injury, Parkinson disease) were included in a referral center if they had LUTS treatment for at least 3 months. To validate psychometric properties, we conducted a literature review, qualitative interviews, and discussion with a panel of six experts...
December 4, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/30510616/-anacardium-microcarpum-promotes-neuroprotection-dependently-of-akt-and-erk-phosphorylation-but-does-not-prevent-mitochondrial-damage-by-6-ohda
#10
Illana Kemmerich Martins, Nélson Rodrigues de Carvalho, Giulianna Echeverria Macedo, Nathane Rosa Rodrigues, Cynthia Camila Ziech, Lúcia Vinadé, Valter Menezes Barbosa Filho, Irwin Alencar Menezes, Jeferson Franco, Thaís Posser
Parkinson's disease is a degenerative and progressive illness characterized by the degeneration of dopaminergic neurons. 6-hydroxydopamine (6-OHDA) is a widespread model for induction of molecular and behavioral alterations similar to Parkinson and has contributed for testing of compounds with neuroprotective potential. The Brazilian plant Anacardium microcarpum is used in folk medicine for treatment of several illnesses; however, the knowledge about toxicology and biological effects for this plant is very rare...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/30509175/corn-dried-distillers-grains-with-solubles-cddgs-in-the-diet-of-pigs-change-the-expression-of-adipose-genes-that-are-potential-therapeutic-targets-in-metabolic-and-cardiovascular-diseases
#11
Maria Oczkowicz, Tomasz Szmatoła, Małgorzata Świątkiewicz, Klaudia Pawlina-Tyszko, Artur Gurgul, Tomasz Ząbek
BACKGROUND: Corn dried distillers grains with solubles (cDDGS) are a byproduct of biofuel and alcohol production. cDDGS have been used in pig feed for many years, because they are readily available and rich in protein, fiber, unsaturated fatty acids and phytosterols. However, feed mixtures too high in cDDGS result in the worsening of backfat quality. We performed RNA-sequencing analysis of backfat from crossbred pigs fed different diets. The diets were isoenergetic but contained different amounts of cDDGS and various sources of fats...
December 3, 2018: BMC Genomics
https://www.readbyqxmd.com/read/30509033/hydroxysafflor-yellow-a-promotes-%C3%AE-synuclein-clearance-via-regulating-autophagy-in-rotenone-induced-parkinson-s-disease-mice
#12
Bing Han, Lijie Wang, Fenghua Fu, Zhenhua Wang, Leiming Zhang, Grace Jia Qi, Tian Wang
Autophagy is an intracellular degradation process that is involved in α-synuclein (α-syn) homeostasis and Parkinson's disease (PD). The purpose of this study was to investigate whether hydroxysafflor yellow A (HSYA) could promote α-syn clearance via regulating autophagy in PD mice. Male C57BL/6 mice were intraperitoneally treated with HSYA. Thirty minutes later, they were intragastrically administered with rotenone at a dose of 30 mg/kg. The hanging wire test was performed at 14 and 28 days. Then, autophagosomes and ultrastructural changes were examined by transmission electron microscopy...
2018: Folia Neuropathologica
https://www.readbyqxmd.com/read/30507082/17-%C3%AE-estradiol-oxidative-stress-attenuation-and-autophagy-induced-dopaminergic-neuroprotection
#13
Roya Varmazyar, Ali Noori-Zadeh, Farzad Rajaei, Shahram Darabi, Salar Bakhtiyari
Objective: Degeneration of dopaminergic neurons in the substantia nigra of the brain stem is the main pathological aspect of Parkinson's disease (PD). 17 β-estradiol (E2) has neuroprotective effects on substantia nigra, however, the underlined mechanism is not well-known. In this study, we evaluated the neuroprotective effects of E2 in the ovariectomized 6-hydroxydopamine- (6-OHDA) rat model of PD. Materials and Methods: In this experimental study, all animals were ovariectomized to avoid any further bias in E2 levels and then these ovariectomized rats were randomly assigned into three experimental groups (10 rats in each group): ovariectomized control group (OCG), ovariectomized degeneration group receiving 25 μg of 6-OHDA into the left corpus striatum (ODG), and ovariectomized E2 pretreatment group pretreated with 0...
April 2019: Cell Journal
https://www.readbyqxmd.com/read/30506334/curcumin-restores-rotenone-induced-depressive-like-symptoms-in-animal-model-of-neurotoxicity-assessment-by-social-interaction-test-and-sucrose-preference-test
#14
Syeda Madiha, Saida Haider
Environmental toxin rotenone has been associated to with increased Parkinson's disease (PD) prevalence in population. Depression is one of the main non-motor symptoms of PD. Curcumin exhibits neuroprotective action in neurodegenerative diseases. In the study we investigated the effect of pre- and post-treatment of curcumin on rotenone-induced depressive-like behaviors and neurotransmitter alterations in rat model of PD. In pre-treatment phase rats were administered with curcumin (100 mg/kg/day, p.o.) for 2 weeks...
November 30, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/30505273/c-abl-inhibition-exerts-symptomatic-antiparkinsonian-effects-through-a-striatal-postsynaptic-mechanism
#15
Yu Zhou, Yukio Yamamura, Masatoshi Ogawa, Ryosuke Tsuji, Koichiro Tsuchiya, Jiro Kasahara, Satoshi Goto
Parkinson's disease (PD) is caused by a progressive degeneration of nigral dopaminergic cells leading to striatal dopamine deficiency. From the perspective of antiparkinsonian drug mechanisms, pharmacologic treatment of PD can be divided into symptomatic and disease-modifying (neuroprotective) therapies. An increase in the level and activity of the Abelson non-receptor tyrosine kinase (c-Abl) has been identified in both human and mouse brains under PD conditions. In the last decade, it has been observed that the inhibition of c-Abl activity holds promise for protection against the degeneration of nigral dopaminergic cells in PD and thereby exerts antiparkinsonian effects...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/30503748/a-phase-iib-randomised-double-blind-placebo-controlled-dose-ranging-investigation-of-the-safety-and-efficacy-of-ntcell-%C3%A2-immunoprotected-alginate-encapsulated-porcine-choroid-plexus-cells-for-xenotransplantation-in-patients-with-parkinson-s-disease
#16
Barry Snow, Eoin Mulroy, Arnold Bok, Mark Simpson, Andrew Smith, Kenneth Taylor, Michelle Lockhart, Bb Janice Lam, Christopher Frampton, Patrick Schweder, Benson Chen, Gregory Finucane, Adele McMahon, Lorraine Macdonald
INTRODUCTION: Regenerative therapies in Parkinson's disease aim to slow neurodegeneration and re-establish damaged neuronal circuitry. Neurotrophins are potent endogenous regulators of neuronal survival, development and regeneration. They represent an attractive regenerative treatment option in Parkinson's disease. Porcine choroid plexus produces a number of neurotrophins, and can be safely delivered to the striatum in an encapsulated formulation (termed NTCELL® ) to protect them from immune attack...
November 13, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/30503143/single-cell-sequencing-of-ipsc-dopamine-neurons-reconstructs-disease-progression-and-identifies-hdac4-as-a-regulator-of-parkinson-cell-phenotypes
#17
Charmaine Lang, Kieran R Campbell, Brent J Ryan, Phillippa Carling, Moustafa Attar, Jane Vowles, Olga V Perestenko, Rory Bowden, Fahd Baig, Meike Kasten, Michele T Hu, Sally A Cowley, Caleb Webber, Richard Wade-Martins
Induced pluripotent stem cell (iPSC)-derived dopamine neurons provide an opportunity to model Parkinson's disease (PD), but neuronal cultures are confounded by asynchronous and heterogeneous appearance of disease phenotypes in vitro. Using high-resolution, single-cell transcriptomic analyses of iPSC-derived dopamine neurons carrying the GBA-N370S PD risk variant, we identified a progressive axis of gene expression variation leading to endoplasmic reticulum stress. Pseudotime analysis of genes differentially expressed (DE) along this axis identified the transcriptional repressor histone deacetylase 4 (HDAC4) as an upstream regulator of disease progression...
November 20, 2018: Cell Stem Cell
https://www.readbyqxmd.com/read/30501635/counteracting-neuroinflammation-in-experimental-parkinson-s-disease-favors-recovery-of-function-effects-of-er-npcs-administration
#18
Stephana Carelli, Toniella Giallongo, Zuzana Gombalova, Federica Rey, Maria Carlotta F Gorio, Massimiliano Mazza, Anna Maria Di Giulio
BACKGROUND: Parkinson's disease (PD) is the second most common neurodegenerative disease, presenting with midbrain dopaminergic neurons degeneration. A number of studies suggest that microglial activation may have a role in PD. It has emerged that inflammation-derived oxidative stress and cytokine-dependent toxicity may contribute to nigrostriatal pathway degeneration and exacerbate the progression of the disease in patients with idiopathic PD. Cell therapies have long been considered a feasible regenerative approach to compensate for the loss of specific cell populations such as the one that occurs in PD...
November 30, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/30500485/changes-in-self-perception-in-patients-treated-with-neurostimulating-devices
#19
Simon Eich, Oliver Müller, Andreas Schulze-Bonhage
BACKGROUND: In recent years, qualitative changes in self-perception have been reported in individual patients undergoing brain stimulation to treat their neurological disease. We here report a first systematic study addressing these unwanted treatment effects in a semiquantitative way. HYPOTHESES: Hypothesis 1 (H1): Changes in self-perception can be detected and documented in patients following interventions with various neurostimulating devices using standardized assessment tools...
November 27, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/30499505/-experience-with-mexidol-in-neurological-practice
#20
O A Gromova, I Yu Torshin, L V Stakhovskaya, E G Pepelyaev, V A Semenov, A G Nazarenko
Antihypoxic, antioxidant and nootropic effects of mexidol contribute to the improvement of patients with cerebrovascular pathology. The results of clinical studies show that the sequential scheme of using mexidol (first i.v. or i.m., then per os) is effective in the complex therapy of ischemic diseases of the brain, vascular surgery, therapy and rehabilitation of patients with degenerative-dystrophic changes of the spine, treatment of neurodegenerative pathology (including multiple sclerosis, Parkinson's disease and diabetic polyneuropathy), infectious neuropathies (ARVI, herpes, tick-borne encephalitis), neuropsychological and autonomic disorders...
2018: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
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