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https://www.readbyqxmd.com/read/28926091/functional-role-of-mesenchymal-stem-cells-in-the-treatment-of-chronic-neurodegenerative-diseases
#1
Debora Lo Furno, Giuliana Mannino, Rosario Giuffrida
Mesenchymal stem cells (MSCs) can differentiate into not only cells of mesodermal lineages, but also into endodermal and ectodermal derived elements, including neurons and glial cells. For this reason, MSCs have been extensively investigated to develop cell-based therapeutic strategies, especially in pathologies whose pharmacological treatments give poor results, if any. As in the case of irreversible neurological disorders characterized by progressive neuronal death, in which behavioral and cognitive functions of patients inexorably decline as the disease progresses...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28925334/comparative-patient-satisfaction-and-feasibility-of-a-pilot-parkinson-s-disease-enrichment-program
#2
Tabina K Choudhury, Celeste Harris, Kathleen Crist, Terry K Satterwhite, Michele K York
BACKGROUND: Available treatment options for Parkinson's disease (PD) are primarily aimed at pharmacological and/or neurosurgical management of motor symptoms. However, many patients also experience chronic non-motor symptoms (NMS), including significant cognitive and mood changes. Currently, there is a gap in the neuropsychological literature regarding the efficacy of nonpharmacological treatment options for cognitive and mood changes in PD. OBJECTIVE: We sought to evaluate the efficacy and patient satisfaction of a pilot nonpharmacological intervention for alleviating NMS in patients with PD...
September 2017: Journal of Geriatric Psychiatry and Neurology
https://www.readbyqxmd.com/read/28923312/autophagy-its-mechanisms-and-regulation-implications-in-neurodegenerative-diseases
#3
REVIEW
Milad Moloudizargari, Mohammad Hossein Asghari, Emad Ghobadi, Marjan Fallah, Shima Rasouli, Mohammad Abdollahi
Autophagy is a major regulatory cellular mechanism which gives the cell an ability to cope with some of the destructive events that normally occur within a metabolically living cell. This is done by maintaining the cellular homeostasis, clearance of damaged organelles and proteins and recycling necessary molecules like amino acids and fatty acids. There is a wide array of factors that influence autophagy in the state of health and disease. Disruption of these mechanisms may not only give rise to several autophagy-related disease, but also it can occur as the result of intracellular changes induced during disease pathogenesis causing exacerbation of the disease...
September 15, 2017: Ageing Research Reviews
https://www.readbyqxmd.com/read/28923294/fundamental-limit-of-alpha-synuclein-pathology-in-gastrointestinal-biopsy-as-a-pathologic-biomarker-of-parkinson-s-disease-comparison-with-surgical-specimens
#4
Chaewon Shin, Sung-Hye Park, Ji Young Yun, Jung Hwan Shin, Han-Kwang Yang, Hyuk-Joon Lee, Seong-Ho Kong, Yun-Suhk Suh, Guangxun Shen, Yoon Kim, Han-Joon Kim, Beomseok Jeon
OBJECTIVE: Alpha-synuclein (AS) accumulation identified by immunohistochemistry (IHC) of gastrointestinal (GI) tract biopsies is considered as a potential pathologic biomarker for Parkinson's disease (PD). We compared AS IHC findings in biopsy specimens and surgically resected full-depth specimens to examine the reliability of GI tract biopsies. METHODS: We included patients with PD who had undergone operation of the GI tract for treatment of tumors. Controls were matched with age at operation, gender, and surgical resection site...
September 4, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28923292/promising-non-pharmacological-therapies-in-pd-targeting-late-stage-disease-and-the-role-of-computer-based-cognitive-training
#5
S C F Van de Weijer, A L A J Hommel, B R Bloem, J Nonnekes, N M De Vries
Non-pharmacological interventions are increasingly being acknowledged as valuable treatment options to overcome or reduce functional problems in patients with Parkinson's disease (PD). There is a wide range of such non-pharmacological treatments for which the supportive evidence is emerging. Physiotherapy is one good example in this domain. However, there are also several promising non-pharmacological treatment strategies that have thus far received less research attention. Here, we describe two relatively new, but encouraging approaches...
September 4, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28922532/redox-modulatory-mn3o4-nanozyme-with-multi-enzyme-activity-provides-efficient-cytoprotection-to-human-cells-in-parkinson-s-disease-model
#6
Govindasamy Mugesh, Namrata Singh, Mohammed Azharuddin Savanur, Shubhi Srivastava, Patrick D'Silva
Nanomaterials with enzyme-like activities (nanozymes) attracts significant interest due to their therapeutic potential for the treatment of various diseases. Herein, we report that a Mn3O4 nanozyme functionally mimic three major antioxidant enzymes, i.e. superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) and the multienzyme activity is size as well as morphology-dependent. The redox modulatory effect of Mn3O4 plays a crucial role in protecting the cells from MPP+ induced cytotoxicity in a Parkinson disease (PD)-like cellular model, indicating that manganese-based nanomaterials having multi-enzyme activity can robustly rescue the cells from oxidative damage and thereby possess therapeutic potential to prevent ROS-mediated neurological disorders...
September 18, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28922504/selective-remodeling-of-glutamatergic-transmission-to-striatal-cholinergic-interneurons-after-dopamine-depletion
#7
Jose de Jesus Aceves Buendia, Lior Tiroshi, Wei-Hua Chiu, Joshua A Goldberg
The widely-held view that the pathophysiology of Parkinson's disease arises from an under-activation of the direct pathway striatal spiny neurons (dSPNs) has gained support from a recently described weakening of the glutamatergic projection from the parafascicular nucleus (PfN) to dSPNs in experimental parkinsonism. However, the impact of the remodeling of the thalamostriatal projection cannot be fully appreciated without considering its impact on cholinergic interneurons (ChIs) that themselves preferentially activate indirect pathway spiny neurons (iSPNs)...
September 18, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28922400/protein-folding-misfolding-and-aggregation-the-importance-of-two-electron-stabilizing-interactions
#8
Andrzej Stanisław Cieplak
Proteins associated with neurodegenerative diseases are highly pleiomorphic and may adopt an all-α-helical fold in one environment, assemble into all-β-sheet or collapse into a coil in another, and rapidly polymerize in yet another one via divergent aggregation pathways that yield broad diversity of aggregates' morphology. A thorough understanding of this behaviour may be necessary to develop a treatment for Alzheimer's and related disorders. Unfortunately, our present comprehension of folding and misfolding is limited for want of a physicochemical theory of protein secondary and tertiary structure...
2017: PloS One
https://www.readbyqxmd.com/read/28920562/comparison-of-general-and-local-anesthesia-for-deep-brain-stimulator-insertion-a-systematic-review
#9
Veena Sheshadri, Nathan C Rowland, Jigesh Mehta, Marina Englesakis, Pirjo Manninen, Lashmi Venkatraghavan
BACKGROUND: Subthalamic nucleus deep brain stimulation (STN-DBS) has become a standard treatment for many patients with Parkinson's disease (PD). The reported clinical outcome measures for procedures done under general anesthesia (GA) compared to traditional local anesthetic (LA) technique are quite heterogeneous and difficult to compare. The aim of this systematic review and metaanalysis was to determine whether the clinical outcome after STN-DBS insertion under GA is comparable to that under LA in patients with Parkinson's disease...
September 18, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28919537/neuroprotective-effect-of-curcumin-i-in-copper-induced-dopaminergic-neurotoxicity-in-rats-a-possible-link-with-parkinson-s-disease
#10
Abdellatif Abbaoui, Hicham Chatoui, Omar El Hiba, Halima Gamrani
Numerous findings indicate an involvement of heavy metals in the neuropathology of several neurodegenerative disorders, especially Parkinson's disease (PD). Previous studies have demonstrated that Copper (Cu) exhibits a potent neurotoxic effect on dopaminergic neurons and triggers profound neurobehavioral alterations. Curcumin is a major component of Curcuma longa rhizomes and a powerful medicinal plant that exerts many pharmacological effects. However, the neuroprotective action of curcumin on Cu-induced dopaminergic neurotoxicity is yet to be investigated...
September 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28919247/the-effect-of-directed-photic-stimulation-of-the-pineal-on-experimental-parkinson-s-disease
#11
Gregory L Willis, Christopher B Freelance
The role of the circadian system in Parkinson's disease (PD) is a topic of increasing scientific interest. This has emerged from recent studies demonstrating an altered response of PD patients to treatment in relation to the phase of the light/dark cycle and from other work defining the functional significance of melanocytes in PD: a cell type that the nigro-striatal dopamine (NSD) system and circadian system both contain. The present study was undertaken to determine the sensitivity of the pineal, as the final common pathway of the circadian system, to light delivered directly to the pineal via surgical implantation of LEDs...
September 15, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28919144/beyond-l-dopa-hope-for-parkinson-s-treatment-and-diagnosis
#12
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
September 2017: EBioMedicine
https://www.readbyqxmd.com/read/28918943/vagus-nerve-stimulation-improves-locomotion-and-neuronal-populations-in-a-model-of-parkinson-s-disease
#13
Ariana Q Farrand, Kristi L Helke, Rebecca A Gregory, Monika Gooz, Vanessa K Hinson, Heather A Boger
BACKGROUND: Parkinson's disease (PD) is a progressive, neurodegenerative disorder with no disease-modifying therapies, and symptomatic treatments are often limited by debilitating side effects. In PD, locus coeruleus noradrenergic (LC-NE) neurons degenerate prior to substantia nigra dopaminergic (SN-DA) neurons. Vagus nerve stimulation (VNS) activates LC neurons, and decreases pro-inflammatory markers, allowing improvement of LC targets, making it a potential PD therapeutic. OBJECTIVE: To assess therapeutic potential of VNS in a PD model...
August 24, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28918840/neuroprotective-effects-of-eexenatide-in-a-rotenone-induced-rat-model-of-parkinson-s-disease
#14
Dürdane Aksoy, Volkan Solmaz, Türker Çavuşoğlu, Ayfer Meral, Utku Ateş, Oytun Erbaş
BACKROUND: Several studies suggest an association between Parkinson's disease (PD) and type 2 diabetes mellitus; these 2 diseases are both known to affect the common molecular pathways. As a synthetic agonist for the glucagon-like peptide 1 receptor, exenatide has been evaluated as a neuroprotective agent in multiple animal models. Rotenone models of PD have great potential for the investigation of PD pathology and motor and nonmotor symptoms, as well as the role of gene-environment interactions in PD causation and pathogenesis...
September 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28918051/lrrk2-antisense-oligonucleotides-ameliorate-%C3%AE-synuclein-inclusion-formation-in-a-parkinson-s-disease-mouse-model
#15
Hien Tran Zhao, Neena John, Vedad Delic, Karli Ikeda-Lee, Aneeza Kim, Andreas Weihofen, Eric E Swayze, Holly B Kordasiewicz, Andrew B West, Laura A Volpicelli-Daley
No treatments exist to slow or halt Parkinson's disease (PD) progression; however, inhibition of leucine-rich repeat kinase 2 (LRRK2) activity represents one of the most promising therapeutic strategies. Genetic ablation and pharmacological LRRK2 inhibition have demonstrated promise in blocking α-synuclein (α-syn) pathology. However, LRRK2 kinase inhibitors may reduce LRRK2 activity in several tissues and induce systemic phenotypes in the kidney and lung that are undesirable. Here, we test whether antisense oligonucleotides (ASOs) provide an alternative therapeutic strategy, as they can be restricted to the CNS and provide a stable, long-lasting reduction of protein throughout the brain...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28917506/the-plasmalogen-precursor-analog-ppi-1011-reduces-the-development-of-l-dopa-induced-dyskinesias-in-de-novo-mptp-monkeys
#16
Mélanie Bourque, Laurent Grégoire, Thérèse Di Paolo
The gold standard therapy for Parkinson's disease (PD), L-3,4-dihydroxyphenylalanine (L-DOPA), induces dyskinesias in the majority of patients after years of treatment. Ethanolamine plasmalogens (PlsEtn) play critical roles in membrane structure mediated functions and as a storage depot of polyunsaturated fatty acids such as docosahexaenoic acid. We previously showed that a PlsEtn precursor PPI-1011 reduced already established L-DOPA-induced dyskinesias (LID) in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) lesioned monkeys as a PD model...
September 13, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28917379/effectiveness-and-safety-of-acupuncture-in-the-treatment-of-parkinson-s-disease-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#17
REVIEW
Hyeonseok Noh, Seungwon Kwon, Seung-Yeon Cho, Woo-Sang Jung, Sang-Kwan Moon, Jung-Mi Park, Chang-Nam Ko, Seong-Uk Park
OBJECTIVE: This study aimed to examine the effectiveness and safety of acupuncture in the treatment of Parkinson's disease (PD). METHODS: English, Chinese, and Korean electronic databases were searched up to June 2016. Randomized controlled trials (RCTs) were eligible. The methodological quality was assessed using Cochrane's risk of bias tool. Meta-analysis was performed using RevMan 5.3. RESULTS: In total, 42 studies involving 2625 participants were systematically reviewed...
October 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28915672/an-updated-meta-analysis-of-amantadine-for-treating-dyskinesia-in-parkinson-s-disease
#18
Min Kong, Maowen Ba, Chao Ren, Ling Yu, Shengjie Dong, Guoping Yu, Hui Liang
In recent years, a few of randomized controlled trials (RCTs) about amantadine for treating dyskinesia in Parkinson's disease (PD) were completed. Here, we conducted a systematic literature review about the clinical research to provide the updated evidence for treating dyskinesia. Electronic search of Medline, PubMed, Cochrane Library, and other databases up to May 2016 for relevant studies was performed. We selected the Unified Parkinson's Disease Rating Scale IV (UPDRS IV) and Dyskinesia Rating Scales (DRS) as efficacy outcomes of amantadine on dyskinesia...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28914791/quercetin-attenuates-manganese-induced-neuroinflammation-by-alleviating-oxidative-stress-through-regulation-of-apoptosis-inos-nf-%C3%AE%C2%BAb-and-ho-1-nrf2-pathways
#19
Entaz Bahar, Ji-Ye Kim, Hyonok Yoon
Manganese (Mn) is an essential trace element required for the development of human body and acts as an enzyme co-factor or activator for various reactions of metabolism. While essential in trace amounts, excessive Mn exposure can result in toxic accumulations in human brain tissue and resulting extrapyramidal symptoms called manganism similar to idiopathic Parkinson's disease (PD). Quercetin (QCT) has been demonstrated to play an important role in altering the progression of neurodegenerative diseases by protecting against oxidative stress...
September 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28912900/open-label-trial-of-the-efficacy-and-safety-profile-of-rikkunshito-used-for-the-treatment-of-gastrointestinal-symptoms-in-patients-with-parkinson-s-disease-a-pilot-study
#20
Koji Yakabi, Naomi Yamaguchi, Shino Ono, Norihito Yoshida, Eriko Hosomi, Kenjiro Hayashi, Mitsuko Ochiai, Kosuke Maezawa, Kyoichi Nomura
BACKGROUND: Patients with Parkinson's disease (PD) usually experience distress related not only to motor dysfunction, but also to nonmotor symptoms, including gastrointestinal dysfunction. OBJECTIVE: The purpose of this pilot study was to evaluate the efficacy and safety profile of a traditional Japanese medicine, rikkunshito (RKT), used for the treatment of gastrointestinal symptoms, associated with anorexia and dyspepsia, in patients with PD. METHODS: Patients were randomly assigned to either Group A (4-week treatment period with 7...
2017: Current Therapeutic Research, Clinical and Experimental
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