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https://www.readbyqxmd.com/read/28643372/fine-tuning-perk-signaling-for-neuroprotection
#1
REVIEW
Mark Halliday, Daniel Hughes, Giovanna Mallucci
Protein translation and folding are tightly controlled processes in all cells, by proteostasis, an important component of which is the unfolded protein response (UPR). During periods of endoplasmic reticulum stress due to protein misfolding, the UPR activates a coordinated response in which the PERK branch activation restricts translation, while a variety of genes involved with protein folding, degradation, chaperone expression and stress responses are induced through signaling of the other branches. Chronic overactivation of the UPR, particularly the PERK branch is observed in the brains of patients in a number of protein misfolding neurodegenerative diseases, including Alzheimer's, and Parkinson's diseases and the taopathies...
June 23, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28642806/the-efficacy-of-epigallocatechin-3-gallate-green-tea-in-the-treatment-of-alzheimer-s-disease-an-overview-of-pre-clinical-studies-and-translational-perspectives-in-clinical-practice
#2
REVIEW
Marco Cascella, Sabrina Bimonte, Maria Rosaria Muzio, Vincenzo Schiavone, Arturo Cuomo
Alzheimer's disease (AD) is a neurodegenerative disorder and the most common form of dementia characterized by cognitive and memory impairment. One of the mechanism involved in the pathogenesis of AD, is the oxidative stress being involved in AD's development and progression. In addition, several studies proved that chronic viral infections, mainly induced by Human herpesvirus 1 (HHV-1), Cytomegalovirus (CMV), Human herpesvirus 2 (HHV-2), and Hepatitis C virus (HCV) could be responsible for AD's neuropathology...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28640487/a-qualitative-study-exploring-the-difficulties-influencing-decision-making-at-the-end-of-life-for-people-with-dementia
#3
Kethakie Lamahewa, Rammya Mathew, Steve Iliffe, Jane Wilcock, Jill Manthorpe, Elizabeth L Sampson, Nathan Davies
BACKGROUND: Dementia is a progressive neurodegenerative condition characterized by declining functional and cognitive abilities. The quality of end of life care for people with dementia in the UK can be poor. Several difficult decisions may arise at the end of life, relating to the care of the person with dementia, for example management of comorbidities. OBJECTIVE: To explore difficulties in decision making for practitioners and family carers at the end of life for people with dementia...
June 22, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28638339/nutritional-and-pharmacological-strategies-to-regulate-microglial-polarization-in-cognitive-aging-and-alzheimer-s-disease
#4
REVIEW
Emiliano Peña-Altamira, Sabrina Petralla, Francesca Massenzio, Marco Virgili, Maria L Bolognesi, Barbara Monti
The study of microglia, the immune cells of the brain, has experienced a renaissance after the discovery of microglia polarization. In fact, the concept that activated microglia can shift into the M1 pro-inflammatory or M2 neuroprotective phenotypes, depending on brain microenvironment, has completely changed the understanding of microglia in brain aging and neurodegenerative diseases. Microglia polarization is particularly important in aging since an increased inflammatory status of body compartments, including the brain, has been reported in elderly people...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28637402/antioxidant-skq1-alleviates-signs-of-alzheimer-s-disease-like-pathology-in-old-oxys-rats-by-reversing-mitochondrial-deterioration
#5
Nataliya G Kolosova, Mikhail A Tyumentsev, Natalia A Muraleva, Elena Kiseleva, Anton O Vitovtov, Natalia A Stefanova
BACKGROUND: Mitochondrial dysfunction is called the missing link between brain aging and Alzheimer's disease (AD), the most common type of age-related dementia worldwide. Among the most advanced and promising of approaches to prevention or slowing of AD are therapeutic strategies targeting mitochondria. OBJECTIVE: Mitochondria-targeted antioxidant SkQ1 can suppress the development of AD signs, but its therapeutic potential in AD at clinical stages is currently unknown...
June 21, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28634767/including-people-with-dementia-in-research-an-analysis-of-australian-ethical-and-legal-rules-and-recommendations-for-reform
#6
Nola M Ries, Katie A Thompson, Michael Lowe
Research is crucial to advancing knowledge about dementia, yet the burden of the disease currently outpaces research activity. Research often excludes people with dementia and other cognitive impairments because researchers and ethics committees are concerned about issues related to capacity, consent, and substitute decision-making. In Australia, participation in research by people with cognitive impairment is governed by a national ethics statement and a patchwork of state and territorial laws that have widely varying rules...
June 20, 2017: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/28632966/characterizing-alzheimer-s-disease-through-metabolomics-and-investigating-anti-alzheimer-s-disease-effects-of-natural-products
#7
REVIEW
Lunzhao Yi, Wenbin Liu, Zhe Wang, Dabing Ren, Weijun Peng
Alzheimer's disease (AD) is the most common cause of dementia in elderly people and is among the greatest healthcare challenges of the 21st century. However, the etiology and pathogenesis of AD remain poorly understood, and no curative treatments are available to slow down or stop the degenerative effects of AD. As a high-throughput approach, metabolomics is gaining significant attention in AD research, because it has a powerful potential to discover novel biomarkers, unravel new therapeutic targets for AD, and identify perturbed metabolic pathways involved in AD progression...
June 20, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28631336/a-neuroimaging-approach-to-capture-cognitive-reserve-application-to-alzheimer-s-disease
#8
Anna C van Loenhoud, Alle Meije Wink, Colin Groot, Sander C J Verfaillie, Jos Twisk, Frederik Barkhof, Bart van Berckel, Philip Scheltens, Wiesje M van der Flier, Rik Ossenkoppele
Cognitive reserve (CR) explains interindividual differences in the ability to maintain cognitive function in the presence of neuropathology. We developed a neuroimaging approach including a measure of brain atrophy and cognition to capture this construct. In a group of 511 Alzheimer's disease (AD) biomarker-positive subjects in different stages across the disease spectrum, we performed 3T magnetic resonance imaging and predicted gray matter (GM) volume in each voxel based on cognitive performance (i.e. a global cognitive composite score), adjusted for age, sex, disease stage, premorbid brain size (i...
June 20, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28630086/psychosocial-therapy-for-parkinson-s-related-dementia-study-protocol-for-the-invest-randomised-controlled-trial
#9
Sheree A McCormick, Kathryn R McDonald, Sabina Vatter, Vasiliki Orgeta, Ellen Poliakoff, Sarah Smith, Monty A Silverdale, Bo Fu, Iracema Leroi
INTRODUCTION: Parkinson's disease (PD) with mild cognitive impairment (MCI-PD) or dementia (PDD) and dementia with Lewy bodies (DLB) are characterised by motor and 'non-motor' symptoms which impact on quality of life. Treatment options are generally limited to pharmacological approaches. We developed a psychosocial intervention to improve cognition, quality of life and companion burden for people with MCI-PD, PDD or DLB. Here, we describe the protocol for a single-blind randomised controlled trial to assess feasibility, acceptability and tolerability of the intervention and to evaluate treatment implementation...
June 19, 2017: BMJ Open
https://www.readbyqxmd.com/read/28626050/admission-brain-cortical-volume-an-independent-determinant-of-poststroke-cognitive-vulnerability
#10
Sharmila Sagnier, Gwenaëlle Catheline, Bixente Dilharreguy, Fanny Munsch, Antoine Bigourdan, Mathilde Poli, Sabrina Debruxelles, Stéphane Olindo, Pauline Renou, François Rouanet, Vincent Dousset, Thomas Tourdias, Igor Sibon
BACKGROUND AND PURPOSE: Several markers of poststroke cognitive impairment have been reported. The role of brain cortical volume remains uncertain. The aim of this study was to evaluate the influence of brain cortical volume on cognitive outcomes using a voxel-based morphometry approach in subjects without prestroke dementia. METHODS: Ischemic stroke patients were prospectively recruited 24 to 72 hours post-stroke (M0). Cognition was evaluated at M0, 3 months, and 1 year (M12) using the Montreal Cognitive Assessment, the Isaacs set test, and the Zazzo's cancellation task...
June 16, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28622379/end-of-life-care-for-people-with-dementia-the-views-of-health-professionals-social-care-service-managers-and-frontline-staff-on-key-requirements-for-good-practice
#11
Richard Philip Lee, Claire Bamford, Marie Poole, Emma McLellan, Catherine Exley, Louise Robinson
BACKGROUND: Evidence consistently shows that people with advanced dementia experience suboptimal end of life care compared to those with cancer; with increased hospitalisation, inadequate pain control and fewer palliative care interventions. Understanding the views of those service managers and frontline staff who organise and provide care is crucial in order to develop better end of life care for people with dementia. METHODS AND FINDINGS: Qualitative interviews and focus groups were conducted from 2013 to 2015 with 33 service managers and 54 staff involved in frontline care, including doctors, nurses, nursing and care home managers, service development leads, senior managers/directors, care assistants and senior care assistants/team leads...
2017: PloS One
https://www.readbyqxmd.com/read/28620833/assessment-of-serum-uric-acid-as-risk-factor-for-tauopathies
#12
Tommaso Schirinzi, Giulia Di Lazzaro, Vito Luigi Colona, Paola Imbriani, Mohammad Alwardat, Giulia Maria Sancesario, Alessandro Martorana, Antonio Pisani
Low levels of serum uric acid (UA) are a risk factor for many neurodegenerative diseases but the role of UA in tauopathies has not been yet fully evaluated. In this study, we assessed the risk associated with serum UA levels in a large group of patients with tauopathies, either primary or secondary. The mean serum UA concentrations of 111 patients with tauopathies (TAU), including 41 with progressive supranuclear palsy (PSP), 45 with Alzheimer's disease (AD) and 25 with frontotemporal dementia (FTD) were compared to that of 130 controls (CTL)...
June 15, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28620783/advanced-neuroimaging-of-cerebral-small-vessel-disease
#13
REVIEW
Gordon W Blair, Maria Valdez Hernandez, Michael J Thrippleton, Fergus N Doubal, Joanna M Wardlaw
Cerebral small vessel disease (SVD) is characterised by damage to deep grey and white matter structures of the brain and is responsible for a diverse range of clinical problems that include stroke and dementia. In this review, we describe advances in neuroimaging published since January 2015, mainly with magnetic resonance imaging (MRI), that, in general, are improving quantification, observation and investigation of SVD focussing on three areas: quantifying the total SVD burden, imaging brain microstructural integrity and imaging vascular malfunction...
July 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28617071/an-endothelial-link-between-the-benefits-of-physical-exercise-in-dementia
#14
Lianne J Trigiani, Edith Hamel
The current absence of a disease-modifying treatment for Alzheimer's disease (AD) and vascular cognitive impairment and dementia (VCID) highlights the necessity for investigating the benefits of non-pharmacological approaches such as physical exercise (PE). Although evidence exists to support an association between regular PE and higher scores on cognitive function tests, and a slower rate of cognitive decline, there is no clear consensus on the underlying molecular mechanisms of the advantages of PE. This review seeks to summarize the positive effects of PE in human and animal studies while highlighting the vascular link between these benefits...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28617065/unmet-needs-for-family-caregivers-of-elderly-people-with-dementia-living-in-italy-what-do-we-know-so-far-and-what-should-we-do-next
#15
Maria C De Cola, Viviana Lo Buono, Agata Mento, Mariella Foti, Silvia Marino, Placido Bramanti, Alfredo Manuli, Rocco S Calabrò
Care of the elderly with dementia represents one of the major challenges for the modern society worldwide. The burden of dementia care often falls on the family members, entailing heavy psychosocial and economic consequences. The aim of this study was to evaluate the caregiver's perspective concerning the support for disease management on behalf of the physicians and the local Sicilian administrations (Italy), and the burden of care and effects on their lifestyle, to propose new prevention strategies and service for managing dementia and caregiver's burden...
January 1, 2017: Inquiry: a Journal of Medical Care Organization, Provision and Financing
https://www.readbyqxmd.com/read/28616816/access-to-community-care-for-people-with-dementia-and-their-informal-carers-case-vignettes-for-a-european-comparison-of-structures-and-common-pathways-to-formal-care
#16
A Bieber, A Stephan, H Verbeek, F Verhey, L Kerpershoek, C Wolfs, M de Vugt, R T Woods, J Røsvik, G Selbaek, B M Sjölund, A Wimo, L Hopper, K Irving, M J Marques, M Gonçalves-Pereira, E Portolani, O Zanetti, G Meyer
BACKGROUND: People with dementia and their informal carers often do not receive appropriate professional support or it is not received at the right time. OBJECTIVES: Description and comparison of common pathways to formal community dementia care in eight European countries as a part of the transnational Actifcare project. MATERIALS AND METHODS: The German team was responsible for creating an individual case scenario as a starting point. The research teams in Ireland, Italy, the Netherlands, Norway, Portugal, Sweden, and the United Kingdom were then asked to describe a common pathway to formal dementia care by writing their own vignette using the provided individual case scenario...
June 14, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28616383/multiparametric-mri-to-distinguish-early-onset-alzheimer-s-disease-and-behavioural-variant-of-frontotemporal-dementia
#17
Elisa Canu, Federica Agosta, Gorana Mandic-Stojmenovic, Tanja Stojković, Elka Stefanova, Alberto Inuggi, Francesca Imperiale, Massimiliano Copetti, Vladimir S Kostic, Massimo Filippi
This prospective study explored whether an approach combining structural [cortical thickness and white matter (WM) microstructure] and resting state functional MRI can aid differentiation between 62 early onset Alzheimer's disease (EOAD) and 27 behavioural variant of frontotemporal dementia (bvFTD) patients. Random forest and receiver operator characteristic curve analyses assessed the ability of MRI in classifying the two clinical syndromes. All patients showed a distributed pattern of brain alterations relative to controls...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28614541/knowledge-and-attitudes-towards-dementia-among-final-year-medical-students-in-brazil
#18
Alessandro Ferrari Jacinto, Vanessa de Albuquerque Citero, José Luiz de Lima, Paulo José Fortes Villas Boas, Adriana Polachini do Valle, Ananda Ghelfi Raza Leite
Objective: Among all countries, Brazil is expected to have the sixth largest elderly population in 2025. Dementia syndromes are prominent among aging-related diseases. Despite the necessity of and curriculum for training in geriatric medicine to make recommendations on an approach to this theme, adequate training appears to be infrequent. The present study aimed to evaluate the knowledge about dementia and students' attitude towards it during the last semester of the medical course in two of the most important Brazilian medical schools...
April 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28611661/discovery-and-development-of-calcium-channel-blockers
#19
REVIEW
Théophile Godfraind
In the mid 1960s, experimental work on molecules under screening as coronary dilators allowed the discovery of the mechanism of calcium entry blockade by drugs later named calcium channel blockers. This paper summarizes scientific research on these small molecules interacting directly with L-type voltage-operated calcium channels. It also reports on experimental approaches translated into understanding of their therapeutic actions. The importance of calcium in muscle contraction was discovered by Sidney Ringer who reported this fact in 1883...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28611495/antibacterial-anticancer-and-neuroprotective-activities-of-rare-actinobacteria-from-mangrove-forest-soils
#20
Adzzie-Shazleen Azman, Iekhsan Othman, Chee-Mun Fang, Kok-Gan Chan, Bey-Hing Goh, Learn-Han Lee
Mangrove is a complex ecosystem that contains diverse microbial communities, including rare actinobacteria with great potential to produce bioactive compounds. To date, bioactive compounds extracted from mangrove rare actinobacteria have demonstrated diverse biological activities. The discovery of three novel rare actinobacteria by polyphasic approach, namely Microbacterium mangrovi MUSC 115(T), Sinomonas humi MUSC 117(T) and Monashia flava MUSC 78(T) from mangrove soils at Tanjung Lumpur, Peninsular Malaysia have led to the screening on antibacterial, anticancer and neuroprotective activities...
June 2017: Indian Journal of Microbiology
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