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https://www.readbyqxmd.com/read/28944983/oral-prolonged-release-oxycodone-naloxone-for-managing-pain-and-opioid-induced-constipation-a-review-of-the-evidence
#1
REVIEW
Bart J Morlion, Stefan A Mueller-Lissner, Renato Vellucci, Wojciech Leppert, Benoît C Coffin, Sara L Dickerson, Tony O'Brien
BACKGROUND: Opioids provide effective relief from moderate-to-severe pain and should be prescribed as part of a multifaceted approach to pain management when other treatments have failed. Fixed-dose oxycodone/naloxone prolonged-release tablets (OXN PR) were designed to address the opioid class effect of opioid-induced constipation (OIC) by combining the analgesic efficacy of oxycodone with the opioid receptor antagonist, naloxone, which has negligible systemic availability when administered orally...
September 25, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28944563/a-randomized-controlled-trial-of-levodopa-in-patients-with-angelman-syndrome
#2
Wen-Hann Tan, Lynne M Bird, Anjali Sadhwani, Rene L Barbieri-Welge, Steven A Skinner, Lucia T Horowitz, Carlos A Bacino, Lisa M Noll, Cary Fu, Rachel J Hundley, Logan K Wink, Craig A Erickson, Gregory N Barnes, Anne Slavotinek, Rita Jeremy, Alexander Rotenberg, Sanjeev V Kothare, Heather E Olson, Annapurna Poduri, Mark P Nespeca, Hillary C Chu, Jennifer M Willen, Kevin F Haas, Edwin J Weeber, Paul A Rufo
Treatment for Angelman syndrome (AS) is currently limited to symptomatic interventions. A mouse model of AS has reduced calcium/calmodulin-dependent kinase II activity due to excessive phosphorylation of specific threonine residues, leading to diminished long-term potentiation. In a rat model of Parkinson disease, levodopa reduced phosphorylation of various proteins, including calcium/calmodulin-dependent kinase II. Further studies demonstrated that AS mice treated with levodopa performed better on rotarod testing than untreated AS mice...
September 25, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28944257/affective-correlates-of-psychosis-in-parkinson-s-disease
#3
Stewart A Factor, Michael K Scullin, Alan Freeman, Donald L Bliwise, William M McDonald, Felicia C Goldstein
OBJECTIVE: To examine the nature of the association between affective disorders and psychosis in Parkinson's disease (PD). BACKGROUND: In PD, psychosis and affective disorders are common and independently impact quality of life and mortality. Both depression and psychosis are correlated with the occurrence of cognitive dysfunction, suggesting that they may share neurobiological substrates. Anxiety has not been examined as a correlate of psychosis. METHODS: 144 PD subjects were evaluated with the Schedule for Assessment of Positive Symptoms to assess psychotic features, while depression and anxiety were examined by the Structured Clinical Interview for DSM-IV-TR (SCID) and self-assessment scales Beck Depression Inventory II (BDI-II) and Beck Anxiety Inventory (BAI)...
March 2017: Movement Disorders Clinical Practice
https://www.readbyqxmd.com/read/28943544/malignant-syndrome-and-serotonin-syndrome-in-a-general-hospital-setting-clinical-features-frequency-and-prognosis
#4
Akiyuki Hiraga, Satoshi Kuwabara
Objective The differences in the frequency and clinical features of malignant syndrome (MS) and serotonin syndrome (SS) in same population have only rarely been reported. To report the frequency and clinical features of MS and SS in a general hospital setting. Methods The clinical and laboratory features of patients with MS and those with SS, who were consecutively admitted to Chiba Rosai Hospital, during the past 4.5 years were reviewed. Results Of the 2005 patients admitted, MS was observed in 16 patients (0...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28943252/vitamin-c-induced-epigenetic-modifications-in-donor-nscs-establish-midbrain-marker-expressions-critical-for-cell-based-therapy-in-parkinson-s-disease
#5
Noviana Wulansari, Eun-Hee Kim, Yanuar Alan Sulistio, Yong-Hee Rhee, Jae-Jin Song, Sang-Hun Lee
Cultured neural stem/precursor cells (NSCs) are regarded as a potential systematic cell source to treat Parkinson's disease (PD). However, the therapeutic potential of these cultured NSCs is lost during culturing. Here, we show that treatment of vitamin C (VC) enhances generation of authentic midbrain-type dopamine (mDA) neurons with improved survival and functions from ventral midbrain (VM)-derived NSCs. VC acted by upregulating a series of mDA neuron-specific developmental and phenotype genes via removal of DNA methylation and repressive histone code (H3K9m3, H3K27m3) at associated gene promoter regions...
September 18, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28942477/cognitive-performance-in-mid-stage-parkinson-s-disease-functional-connectivity-under-chronic-antiparkinson-treatment
#6
Roxana Vancea, Kristina Simonyan, Maria Petracca, Miroslaw Brys, Alessandro Di Rocco, Maria Felice Ghilardi, Matilde Inglese
Cognitive impairment in Parkinson's disease (PD) is related to the reorganization of brain topology. Although drug challenge studies have proven how levodopa treatment can modulate functional connectivity in brain circuits, the role of chronic dopaminergic therapy on cognitive status and functional connectivity has never been investigated. We sought to characterize brain functional topology in mid-stage PD patients under chronic antiparkinson treatment and explore the presence of correlation between reorganization of brain architecture and specific cognitive deficits...
September 23, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28940855/long-term-effects-of-cognitive-rehabilitation-on-brain-functional-outcome-and-cognition-in-parkinson-s-disease
#7
María Díez-Cirarda, Natalia Ojeda, Javier Peña, Alberto Cabrera-Zubizarreta, Olaia Lucas-Jiménez, Juan Carlos Gómez-Esteban, Maria Ángeles Gómez-Beldarrain, Naroa Ibarretxe-Bilbao
BACKGROUND: Cognitive rehabilitation has demonstrated efficacy in producing short-term cognitive and brain changes in Parkinson's disease (PD) patients. To date, no study has assessed the long-term effects of cognitive rehabilitation using neuroimaging techniques in PD. The aim was to assess the longitudinal effects of a 3-month cognitive rehabilitation program evaluating the cognitive, behavioural and neuroimaging changes after 18 months. METHODS: Fifteen PD patients underwent a cognitive, behavioural and neuroimaging assessment at pre-treatment (T0 ), post-treatment (T1 ) and after 18-months (T2 )...
September 23, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28940129/the-role-of-smurf1-in-neuronal-necroptosis-after-lipopolysaccharide-induced-neuroinflammation
#8
Lifei Shao, Xiaojuan Liu, Shunxing Zhu, Chun Liu, Yilu Gao, Xide Xu
The role of inflammation in neurological disorders such as Alzheimer's disease and Parkinson's disease is gradually recognized and leads to an urgent challenge. Smad ubiquitination regulatory factor 1 (Smurf1), one member of the HECT family, is up-regulated by proinflammatory cytokines and associated with apoptosis in acute spinal cord injury. However, the function of Smurf1 through promoting neuronal necroptosis is still limited in the central nervous system (CNS). Hence, we developed a neuroinflammatory model in adult rats following lipopolysaccharide (LPS) lateral ventral injection to elaborate whether Smurf1 is involved in necroptosis in CNS injury...
September 22, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28937602/licochalcone-a-prevents-the-loss-of-dopaminergic-neurons-by-inhibiting-microglial-activation-in-lipopolysaccharide-lps-induced-parkinson-s-disease-models
#9
Bingxu Huang, Juxiong Liu, Chen Ju, Dongxue Yang, Guangxin Chen, Shiyao Xu, Yalong Zeng, Xuan Yan, Wei Wang, Dianfeng Liu, Shoupeng Fu
The neuroprotective effects of Licochalcone A (Lico.A), a flavonoid isolated from the herb licorice, in Parkinson's disease (PD) have not been elucidated. The prominent pathological feature of PD is the loss of dopaminergic neurons. The crucial role of neuroinflammation induced by activated microglia in dopaminergic neurodegeneration has been validated. In this study, we explore the therapeutic effects of Lico.A in lipopolysaccharide (LPS)-induced PD models in vivo and in vitro. We find that Lico.A significantly inhibits LPS-stimulated production of pro-inflammatory mediators and microglial activation by blocking the phosphorylation of extracellular signal-regulated kinase (ERK1/2) and nuclear factor κB (NF-κB) p65 in BV-2 cells...
September 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28933786/pink1-interacts-with-%C3%AE-synuclein-and-abrogates-%C3%AE-synuclein-induced-neurotoxicity-by-activating-autophagy
#10
Jia Liu, Xue Wang, Yongquan Lu, Chunli Duan, Ge Gao, Lingling Lu, Hui Yang
Parkinson's disease (PD) is one of the most common neurodegenerative diseases, characterized by degeneration of dopaminergic neurons in the substantia nigra. α-synuclein (α-syn) and PTEN-induced putative kinase (PINK)1 are two critical proteins associated with the pathogenesis of PD. α-syn induces mitochondrial deficits and apoptosis, PINK1 was found to alleviate α-syn-induced toxicity, but the mechanistic details remain obscure. Here, we show that PINK1 interacts with α-syn mainly in the cytoplasm, where it initiates autophagy...
September 21, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28933588/death-by-over-eating-the-gaucher-disease-associated-gene-gba1-identified-in-a-screen-for-mediators-of-autophagic-cell-death-is-necessary-for-developmental-cell-death-in-drosophila-midgut
#11
Santosh K Dasari, Eyal Schejter, Shani Bialik, Aya Shkedy, Vered Levin-Salomon, Smadar Levin-Zaidman, Adi Kimchi
Autophagy is critical for homeostasis and cell survival during stress, but can also lead to cell death, a little understood process that has been shown to contribute to developmental cell death in lower model organisms, and to human cancer cell death. We recently reported (1) on our thorough molecular and morphologic characterization of an autophagic cell death system involving resveratrol treatment of lung carcinoma cells. To gain mechanistic insight into this death program, we performed a signalome-wide RNAi screen for genes whose functions are necessary for resveratrol-induced death...
September 21, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28932811/effects-of-non-pharmacological-treatments-on-quality-of-life-in-parkinson-s-disease-a-review
#12
Sangwoo Ahn, Yan Chen, Tim Bredow, Corjena Cheung, Fang Yu
Parkinson's disease is a neurodegenerative chronic condition with a declining trajectory and lack of a cure, making quality of life an important aspect of care. The purpose of this literature review was to analyze the state-of-the-science on the effects of non-pharmacological treatments on quality of life in person's with Parkinson's disease. Literature search was conducted using keywords in electronic databases up to September 1, 2016 and cross-searching the references of identified articles. Of the 259 articles generated, 26 met the eligibility criteria and were included in this review...
April 2017: Journal of Parkinson's Disease and Alzheimer's Disease
https://www.readbyqxmd.com/read/28932113/cationic-lipid-based-nanoparticles-mediate-functional-delivery-of-acetate-to-tumor-cells-in-vivo-leading-to-significant-anticancer-effects
#13
Leigh P Brody, Meliz Sahuri-Arisoylu, James R Parkinson, Harry G Parkes, Po Wah So, Nabil Hajji, E Louise Thomas, Gary S Frost, Andrew D Miller, Jimmy D Bell
Metabolic reengineering using nanoparticle delivery represents an innovative therapeutic approach to normalizing the deregulation of cellular metabolism underlying many diseases, including cancer. Here, we demonstrated a unique and novel application to the treatment of malignancy using a short-chain fatty acid (SCFA)-encapsulated lipid-based delivery system - liposome-encapsulated acetate nanoparticles for cancer applications (LITA-CAN). We assessed chronic in vivo administration of our nanoparticle in three separate murine models of colorectal cancer...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28931645/comorbidity-in-multiple-sclerosis-is-associated-with-diagnostic-delays-and-increased-mortality
#14
Anja Thormann, Per Soelberg Sørensen, Nils Koch-Henriksen, Bjarne Laursen, Melinda Magyari
OBJECTIVE: To investigate the effect of chronic comorbidity on the time of diagnosis of multiple sclerosis (MS) and on mortality in MS. METHODS: We conducted a population-based, nationwide cohort study including all incident MS cases in Denmark with first MS symptom between 1980 and 2005. To investigate the time of diagnosis, we compared individuals with and without chronic comorbidity using multinomial logistic regression. To investigate mortality, we used Cox regression with time-dependent covariates, following study participants from clinical MS onset until endpoint (death) or to the end of the study, censuring at emigration...
September 20, 2017: Neurology
https://www.readbyqxmd.com/read/28930542/deep-brain-stimulation-foundations-and-future-trends
#15
David J Aum, Travis S Tierney
Deep brain stimulation (DBS) has emerged as a revolutionary treatment option for essential tremor (ET), Parkinson's disease (PD), idiopathic dystonia, and severe obsessive-compulsive disorder (OCD). This article reviews the historical foundations of DBS including basal ganglia pathophysiological models, classic principles of electrical stimulation, technical components of the DBS system, treatment risks, and future directions for DBS. Chronic high frequency stimulation induces a number of functional changes from fast physiological to slower metabolic effects and ultimately leads to structural reorganization of the brain, so-called neuroplasticity...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930516/new-targeted-therapies-and-diagnostic-methods-for-iron-overload-diseases
#16
Annita Kolnagou, Christina N Kontoghiorghe, George John Kontoghiorghes
Millions of people worldwide suffer from iron overload toxicity diseases such as transfusional iron overload in thalassaemia and hereditary haemochromatosis. The accumulation and presence of toxic focal iron deposits causing tissue damage can also be identified in Friedreich's ataxia, Alzheimer's, Parkinson's, renal and other diseases. Different diagnostic criteria of toxicity and therapeutic interventions apply to each disease of excess or misplaced iron. Magnetic resonance imaging relaxation times T2 and T2* for monitoring iron deposits in organs and iron biomarkers such as serum ferritin and transferrin iron saturation have contributed in the elucidation of iron toxicity mechanisms and pathways, and also the evaluation of the efficacy and mode of action of chelating drugs in the treatment of diseases related to iron overload, toxicity and metabolism...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28928831/park2-negatively-regulates-the-metastasis-and-epithelial-mesenchymal-transition-of-glioblastoma-cells-via-zeb1
#17
Haiyang Wang, Zhenfeng Jiang, Meng Na, Haitao Ge, Chongyang Tang, Hong Shen, Zhiguo Lin
Glioblastoma multiforme (GBM), one of the most aggressive human malignant brain tumors, is induced by multiple complex pathological mechanisms. The main cause of mortality in patients with GBM is the invasion-metastasis cascade of tumor cells. The dysfunction of Parkinson protein 2 E3 ubiquitin protein ligase (PARK2) is closely linked with the development of certain human cancers. However, whether PARK2 is associated with metastasis in GBM remains unknown. The present study demonstrated that the metastasis and invasion of U87 cells were significantly repressed by PARK2 overexpression...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927992/protective-effects-of-the-glp-1-mimetic-exendin-4-in-parkinson-s-disease
#18
REVIEW
Dilan Athauda, Thomas Foltynie
There is increasing interest in the potential role of glucagon-like peptide-1 (GLP-1) receptor agonists as neuroprotective treatments in neurodegenerative diseases including Parkinson's disease following the publication of the results of the Exenatide-PD trial. Of the current GLP-1 receptor agonists already licensed to treat Type 2 diabetes several including exenatide, liraglutide and lixisenatide are the subject of ongoing clinical trials in PD. The underlying rationale for using drugs licensed and effective for T2DM in PD patients therefore needs to be scrutinized, and the results obtained to date critically reviewed...
September 16, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28926091/functional-role-of-mesenchymal-stem-cells-in-the-treatment-of-chronic-neurodegenerative-diseases
#19
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
#20
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
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