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Vascular parkinsonism

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https://www.readbyqxmd.com/read/29766969/sieve-like-basal-ganglia-a-rare-mri-presentation-of-vascular-parkinsonism
#1
Sunil Pradhan, Robin Bansal
No abstract text is available yet for this article.
May 2018: Neurology India
https://www.readbyqxmd.com/read/29764386/parkinson-s-disease-diagnostic-observations-paddo-study-rationale-and-design-of-a-prospective-cohort-study-for-early-differentiation-of-parkinsonism
#2
Anouke van Rumund, Marjolein B Aerts, Rianne A J Esselink, Frederick J A Meijer, Marcel M Verbeek, Bastiaan R Bloem
BACKGROUND: Differentiation of Parkinson's disease (PD) from the various types of atypical parkinsonism (AP) such as multiple system atrophy (MSA), progressive supranuclear palsy (PSP), dementia with Lewy bodies (DLB), corticobasal syndrome (CBS) and vascular parkinsonism (VP), can be challenging, especially early in the disease course when symptoms overlap. A major unmet need in the diagnostic workup of these disorders is a diagnostic tool that differentiates the various disorders, preferably in the earliest disease stages when the clinical presentation is similar...
May 16, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29742972/validity-and-clinical-utility-of-different-clock-drawing-test-scoring-systems-in-multiple-forms-of-dementia
#3
Diana Duro, Miguel Tábuas-Pereira, Sandra Freitas, Beatriz Santiago, Maria Amália Botelho, Isabel Santana
The Clock Drawing Test (CDT) has a known potential for the detection of cognitive impairment in populations with dementia, especially Alzheimer disease (AD). Our aim was to compare the clinical utility of 3 CDT scoring systems (Rouleau, Cahn, and Babins) in several pathologies with cognitive compromise from a tertiary center memory clinic. We selected patients with a clinical diagnosis of mild stage AD, behavioral variant frontotemporal dementia (FTD), vascular dementia (VaD), dementia with Lewy bodies (DLB), and Parkinson disease with dementia (PDD)...
January 1, 2018: Journal of Geriatric Psychiatry and Neurology
https://www.readbyqxmd.com/read/29734182/a-systematic-review-and-meta-analysis-of-the-effectiveness-of-acetylcholinesterase-inhibitors-and-memantine-in-treating-the-cognitive-symptoms-of-dementia
#4
Ruth Knight, Mizanur Khondoker, Nicholas Magill, Robert Stewart, Sabine Landau
BACKGROUND: Acetylcholinesterase inhibitors (AChEIs) and memantine are commonly used in the management of dementia. In routine clinical practice, dementia is often monitored via the Mini-Mental State Examination (MMSE). We conducted a systematic review and meta-analysis of the effects of these drugs on MMSE scores. SUMMARY: Eighty trials were identified. Pooled effect estimates were in favour of both AChEIs and memantine at 6 months. Meta-regression indicated that dementia subtype was a moderator of AChEI treatment effect, with the effect of treatment versus control twice as high for patients with Parkinson disease dementia/ dementia with Lewy bodies (2...
May 7, 2018: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/29661694/descriptive-epidemiology-of-parkinsonism-in-the-canton-of-geneva-switzerland
#5
Vanessa Fleury, Pauline Brindel, Nicolas Nicastro, Pierre R Burkhard
OBJECTIVES: A large descriptive cross-sectional population-based prevalence study as well as a retrospective incidence study were undertaken to ascertain the frequency of Parkinson's Disease (PD) and other types of degenerative and non-degenerative parkinsonism in the Canton of Geneva, Switzerland. METHODS: An extensive case-finding approach including records from public hospitals, private neurologists and nursing homes was utilized. All patients with a diagnosis of parkinsonism established between 2003 and 2012 were included...
April 9, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29649983/ncx-db-a-unified-resource-for-integrative-analysis-of-the-sodium-calcium-exchanger-super-family
#6
Katrin Bode, Damien M O'Halloran
Na+ /Ca2+ exchangers are low-affinity high-capacity transporters that mediate Ca2+ extrusion by coupling Ca2+ efflux to the influx of Na+ ions. The Na+ /Ca2+ exchangers form a super-family comprised of three branches each differing in ion-substrate selectivity: Na+ /Ca2+ exchangers (NCX), Na+ /Ca2+ /K+ exchangers, and Ca2+ /cation exchangers. Their primary function is to maintain Ca2+ homeostasis and play a particularly important role in excitable cells that experience transient Ca2+ fluxes. Research into the role and activity of Na+ /Ca2+ exchangers has focused extensively on the cardio-vascular system, however, growing evidence suggests that Na+ /Ca2+ exchangers play a key role in neuronal processes such as memory formation, learning, oligodendrocyte differentiation, neuroprotection during brain ischemia and axon guidance...
April 13, 2018: BMC Neuroscience
https://www.readbyqxmd.com/read/29615961/hypertension-and-diagnosis-of-parkinson-s-disease-a-meta-analysis-of-cohort-studies
#7
Liyan Hou, Qiujuan Li, Liping Jiang, Hongyan Qiu, Chengyan Geng, Jau-Shyong Hong, Huihua Li, Qingshan Wang
Background: Hypertension has been associated with cognitive dysfunction in the general population and patients with Alzheimer's disease (AD). However, there are contradictory data regarding the potential association between hypertension and diagnosis of Parkinson's disease (PD), the second most common neurodegenerative disorder after AD. The purpose of this meta-analysis is to synthesize data from cohort studies to explore the potential association between preexisting hypertension and subsequent PD diagnosis...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29615467/late-neuroprogenitors-contribute-to-normal-retinal-vascular-development-in-a-hif2a-dependent-manner
#8
Enrico Cristante, Sidath E Liyanage, Robert D Sampson, Aikaterini Kalargyrou, Giulia De Rossi, Matteo Rizzi, Justin Hoke, Joana Ribeiro, Ryea N Maswood, Yanai Duran, Takaaki Matsuki, Nozie Aghaizu, Ulrich F Luhmann, Alexander J Smith, Robin R Ali, James W B Bainbridge
In the adult central nervous system, endothelial and neuronal cells engage in tight cross-talk as key components of the so-called neurovascular unit. Impairment of their critical relationship adversely affects tissue homeostasis, as observed in neurodegenerative conditions including Alzheimer's and Parkinson's disease. In development, the influence of neuroprogenitor cells on angiogenesis is poorly understood. Here, we show that these cells interact intimately with the growing retinal vascular network, and we identify a novel regulatory mechanism of vasculature development mediated by hypoxia-inducible factor 2a ( Hif2a )...
April 3, 2018: Development
https://www.readbyqxmd.com/read/29606187/the-serum-exosome-derived-microrna-135a-193b-and-384-were-potential-alzheimer-s-disease-biomarkers
#9
Ting Ting Yang, Chen Geng Liu, Shi Chao Gao, Yi Zhang, Pei Chang Wang
OBJECTIVE: MicroRNAs (miRs) are attractive molecules to be considered as one of the blood-based biomarkers for neurodegenerative disorders such as Alzheimer's disease (AD). The goal of this study was to explore their potential value as biomarkers for the diagnosis of AD. METHODS: The expression levels of exosomal miR-135a, -193b, and -384 in the serum from mild cognitive impairment (MCI), dementia of Alzheimer-type (DAT), Parkinson's disease with dementia (PDD), and vascular dementia (VaD) patients were measured with a real-time quantitative reverse transcriptase PCR (qRT-PCR) method...
February 2018: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/29602778/clinical-imaging-in-dementia-with-lewy-bodies
#10
REVIEW
Ajenthan Surendranathan, John Tiernan O'Brien
Dementia with Lewy bodies (DLB) is a common neurodegenerative dementia in older people; however, the clinical features, particularly cognitive fluctuations and rapid eye movement sleep disorder, are often hard to elicit, leading to difficulty in making the diagnosis clinically. Here we examine the literature for the evidence behind imaging modalities that could assist in making the diagnosis. Dopamine transporter (DAT) imaging remains the best modality for differentiation from dementia of Alzheimer's type with high sensitivity and specificity reported based on pathological diagnoses...
May 2018: Evidence-based Mental Health
https://www.readbyqxmd.com/read/29594935/diabetes-mellitus-as-a-risk-factor-for-parkinson-s-disease-a-molecular-point-of-view
#11
REVIEW
Alice Biosa, Tiago F Outeiro, Luigi Bubacco, Marco Bisaglia
Type 2 diabetes mellitus (T2DM) is a metabolic disorder characterized by elevated concentrations of glucose in the blood. The chronic hyperglycemic state accounts for most of the vascular complications associated to the disease and the prevalent mechanism proposed is related to the glycating chemistry mediated by methylglyoxal (MG), which accumulates in T2DM. In recent years, a higher risk of Parkinson's disease (PD) onset in people affected by T2DM has become evident, but the molecular mechanisms underlying the interplay between T2DM and PD are still unknown...
March 28, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29589534/the-role-of-inflammation-in-neurological-disorders
#12
Diana Degan, Raffaele Ornello, Cindy Tiseo, Antonio Carolei, Simona Sacco, Francesca Pistoia
Traditionally neurological diseases have been classified, on the basis of their pathogenesis, into vascular, degenerative, inflammatory and traumatic diseases. Examples of the main inflammatory neurological diseases include multiple sclerosis, which is characterized by an immune-mediated immune response against myelin proteins, and meningoencephalitis, where the inflammatory response is triggered by infectious agents. However, recent evidence suggests a potential role of inflammatory mechanisms also in neurological conditions not usually categorized as inflammatory, such as Alzheimer's disease, Parkinson's disease, Huntington' disease, amyotrophic lateral sclerosis, stroke and traumatic brain injuries...
March 27, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29575574/no-effects-without-causes-the-iron-dysregulation-and-dormant-microbes-hypothesis-for-chronic-inflammatory-diseases
#13
Douglas B Kell, Etheresia Pretorius
Since the successful conquest of many acute, communicable (infectious) diseases through the use of vaccines and antibiotics, the currently most prevalent diseases are chronic and progressive in nature, and are all accompanied by inflammation. These diseases include neurodegenerative (e.g. Alzheimer's, Parkinson's), vascular (e.g. atherosclerosis, pre-eclampsia, type 2 diabetes) and autoimmune (e.g. rheumatoid arthritis and multiple sclerosis) diseases that may appear to have little in common. In fact they all share significant features, in particular chronic inflammation and its attendant inflammatory cytokines...
March 25, 2018: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/29572994/stool-immune-profiles-evince-gastrointestinal-inflammation-in-parkinson-s-disease
#14
Madelyn C Houser, Jianjun Chang, Stewart A Factor, Eric S Molho, Cyrus P Zabetian, Erin M Hill-Burns, Haydeh Payami, Vicki S Hertzberg, Malú G Tansey
BACKGROUND: Gastrointestinal symptoms are common in Parkinson's disease and frequently precede the development of motor impairments. Intestinal inflammation has been proposed as a driver of disease pathology, and evaluation of inflammatory mediators in stool could possibly identify valuable early-stage biomarkers. We measured immune- and angiogenesis-related proteins in human stool to examine inflammatory profiles associated with Parkinson's disease. METHODS: Stool samples and subjects' self-reported metadata were obtained from 156 individuals with Parkinson's disease and 110 without, including spouse and nonhousehold controls...
March 23, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29572571/exploring-the-relationship-between-motor-impairment-vascular-burden-and-cognition-in-parkinson-s-disease
#15
Tanja Stojkovic, Elka Stefanova, Ivan Soldatovic, Vladana Markovic, Iva Stankovic, Igor Petrovic, Federica Agosta, Sebastiano Galantucci, Massimo Filippi, Vladimir Kostic
OBJECTIVE: To determine frequency and type of cognitive disorders in cross-sectional analysis of a Parkinson's disease (PD) cohort, and explore its relations to motor symptoms, modifiable vascular risk factors and white matter lesions (WML) volume. METHODS: In a group of 133 PD patients, mild cognitive impairment (PD-MCI) and dementia (PDD) were diagnosed according to Movement Disorders Society Task Force criteria (level 2 for PD-MCI). Detailed motor measurements were applied, including rigidity, axial, bradykinesia, tremor and postural instability gait disorders (PIGD) scores...
March 23, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29558315/altered-cardiovascular-function-is-related-to-reduced-bdnf-in-parkinson-s-disease
#16
Mahmoud A Alomari, Hanan Khalil, Omar F Khabour, Karem H Alzoubi, Esraa H Dersieh
Brain-derived neurotrophic factor (BDNF) has been linked to cardiovascular health and function, however, the exact role is yet to be understood. The current study examined the relationship of circulatory BDNF with vascular function in Parkinson's disease (PD). ELISA was used to determine plasma BDNF in PD patients and healthy control (CT). Additionally, forearm resting blood flow (RBf), vascular resistance (RVr), venous capacitance (RVc), and venous outflow (RVo) as well as post occlusion blood flow (OcBf), vascular resistance (OcVr), venous capacitance (OcVc), and venous outflow (OcVo) were obtained using strain-gauge plethysmography...
March 20, 2018: Experimental Aging Research
https://www.readbyqxmd.com/read/29541536/reduced-vascular-risk-factors-in-parkinson-s-disease-dementia-and-dementia-with-lewy-bodies-compared-to-alzheimer-s-disease
#17
Po-Chi Chan, Cheng-Yu Wei, Guang-Uei Hung, Pai-Yi Chiu
Objectives: The association of vascular risk factors (VRFs) with incidence of Alzheimer's disease (AD) and vascular dementia (VaD) has been well studied. However, the association between VRFs and non-AD dementia is seldom investigated. In this study, we aim to compare the concurrence of VRFs of Lewy body dementia (LBD) to AD. Materials & Methods: We consecutively enrolled patients with dementia with Lewy bodies (DLB), Parkinson's disease dementia (PDD), and AD, and the prevalence of arterial hypertension, diabetes mellitus, hypercholesterolemia, hyperlipidemia, smoking, and obesity was assessed and compared...
March 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29530996/aspirin-resistance-risk-factors-and-prognostic-significance-in-patients-with-cerebral-small-vessel-disease
#18
Jacek Staszewski, Renata Piusińska-Macoch, Ewa Skrobowska, Bogdan Brodacki, Katarzyna Macek, Adam Stępień
BACKGROUND: The clinical significance of aspirin resistance (AR) in patients with symptomatic cerebrovascular disease is not well known. The aim of this single-center, prospective study was to examine the prevalence, risk factors and prognostic significance of AR in patients with different clinical manifestations of cerebral small vessel disease (CSVD) over 24-month follow-up. METHODS: We studied 104 patients with MRI confirmed CSVD, including those with recent lacunar stroke (LS, n=49), vascular parkinsonism (VaP, n=16) and dementia (VaD, n=39)...
January 2018: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29523769/the-mechanistic-target-of-rapamycin-mtor-and-the-silent-mating-type-information-regulation-2-homolog-1-sirt1-oversight-for-neurodegenerative-disorders
#19
REVIEW
Kenneth Maiese
As a result of the advancing age of the global population and the progressive increase in lifespan, neurodegenerative disorders continue to increase in incidence throughout the world. New strategies for neurodegenerative disorders involve the novel pathways of the mechanistic target of rapamycin (mTOR) and the silent mating-type information regulation 2 homolog 1 ( Saccharomyces cerevisiae ) (SIRT1) that can modulate pathways of apoptosis and autophagy. The pathways of mTOR and SIRT1 are closely integrated...
April 17, 2018: Biochemical Society Transactions
https://www.readbyqxmd.com/read/29522770/therapeutic-evaluation-of-solid-lipid-nanoparticle-of-quercetin-in-pentylenetetrazole-induced-cognitive-impairment-of-zebrafish
#20
Narahari Rishitha, Arunachalam Muthuraman
BACKGROUND: Quercetin is a major flavonoid in various plants. It possesses the multiple pharmacological actions like vascular integrity and regulatory action of the blood-brain barrier. AIMS: The present study is focused on evaluating the role of solid lipid nanoparticle of quercetin in pentylenetetrazole (PTZ) induced cognitive impairment of Danio rerio species. MAIN METHODS: The memory impairment of zebrafish was induced by exposing of PTZ in 7...
April 15, 2018: Life Sciences
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