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https://www.readbyqxmd.com/read/28445885/patterns-of-microglial-cell-activation-in-alzheimer-disease-and-frontotemporal-lobar-degeneration
#1
Ricardo Taipa, Paulo Brochado, Andrew Robinson, Inês Reis, Patrício Costa, David M Mann, Manuel Melo Pires, Nuno Sousa
AIMS: Microglia-driven neuroinflammation can play an important role in the pathophysiology of neurodegenerative disorders. In this study, we sought to characterize the distribution of microglial cell activation in 2 neurodegenerative dementias with distinct protein signatures, Alzheimer disease (AD) and frontotemporal lobar degeneration (FTLD) of the TDP subtype, and to determine if there was an anatomical correlation with the phenotypes most commonly associated with these conditions...
April 27, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28445332/reducing-distress-and-medication-use-in-patients-with-dementia
#2
Joshua E Palmer
No abstract text is available yet for this article.
May 2017: Nursing
https://www.readbyqxmd.com/read/28445082/the-impact-of-%C3%AE-amyloid-positron-emission-tomography-on-the-diagnostic-and-treatment-decisions-of-dementia-experts
#3
Michael L Ganz, Alie F Tawah, Shien Guo, Abhishek S Chitnis, Hedwig Silies, Barbara Schäuble, Aleksandar Jovalekic, Norman L Foster
AIM: Amyloid positron emission tomography (aPET) measurement of Alzheimer's disease (AD) pathology could improve the accurate diagnosis of cognitive disorders. Appropriate use criteria recommend that only dementia experts order aPET. MATERIALS & METHODS: We surveyed 145 dementia experts about their current approaches to evaluation and treatment and the likely influence of aPET. RESULTS: Experts expected aPET to alter diagnostic procedures and patient management and also increase diagnostic certainty...
April 26, 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/28444734/highly-electronegative-low-density-lipoprotein-l5-evokes-microglial-activation-and-creates-a-neuroinflammatory-stress-via-toll-like-receptor-4-signaling
#4
Liang-En Yu, Chiou-Lian Lai, Ching-Tien Lee, Jiz-Yuh Wang
Atherogenic risk factors, such as hypercholesterolemia, are associated with increased risk of neurodegeneration, especially Alzheimer's dementia. Human plasma electronegative low-density lipoprotein [LDL(-)], especially L5, may serve as an important contributing factor. L5 promoting an inflammatory action in atherosclerosis has been extensively studied. However, the role of L5 in inducing neuroinflammation remains unknown. Here, we examined the impact of L5 on immune activation and cell viability in cultured BV-2 microglia...
April 26, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28444264/nih-consortium-to-study-biomarkers-for-dementia
#5
Jennifer Abbasi
No abstract text is available yet for this article.
April 25, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28444124/predicting-discharge-to-institutional-long-term-care-following-acute-hospitalisation-a-systematic-review-and-meta-analysis
#6
Jennifer Kirsty Harrison, Katherine E Walesby, Lorna Hamilton, Carolyn Armstrong, John M Starr, Emma L Reynish, Alasdair M J MacLullich, Terry J Quinn, Susan D Shenkin
Background: moving into long-term institutional care is a significant life event for any individual. Predictors of institutional care admission from community-dwellers and people with dementia have been described, but those from the acute hospital setting have not been systematically reviewed. Our aim was to establish predictive factors for discharge to institutional care following acute hospitalisation. Methods: we registered and conducted a systematic review (PROSPERO: CRD42015023497)...
April 21, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28443508/nutritional-deficiency-in-early-life-facilitates-aging-associated-cognitive-decline
#7
Yu Kang, Yun Zhang, Zijuan Feng, Mingjing Liu, Yanhua Li, Huan Yang, Dan Wang, Lingling Zheng, Dandan Lou, Liangping Cheng, Chunjiang Chen, Weitao Zhou, Yi Feng, Xiaoyong Li, Jianzhong Duan, Mengjiao Yu, Shou Yang, Yuhang Liu, Xin Wang, Bo Deng, Chenghui Liu, Xiuqing Yao, Chi Zhu, Chunrong Liang, Xiaolong Zeng, Sisi Ren, Qunying Li, Yin Zhong, Yong Zhang, Jun Kang, Yong Yan, Huaqing Meng, Zhaohui Zhong, Weihui Zhou, Yanjiang Wang, Tingyu Li, Weihong Song
BACKGROUND: Nutrition is important for the fetal developmental programming. Nutritional deficiency in early life could increase the susceptibility to many aging-related disorders including cognitive decline. OBJECTIVE: Our study aims to investigate the effect of early famine exposure on aging-associated cognitive function. METHODS: We recruited 6790 subjects born between 1956 to 1964 during which the Great Chinese Famine occurred (1959-1961)...
April 24, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28443019/increased-diagnostic-accuracy-of-digital-vs-conventional-clock-drawing-test-for-discrimination-of-patients-in-the-early-course-of-alzheimer-s-disease-from-cognitively-healthy-individuals
#8
Stephan Müller, Oliver Preische, Petra Heymann, Ulrich Elbing, Christoph Laske
The conventional Clock Drawing Test (cCDT) is a rapid and inexpensive screening tool for detection of moderate and severe dementia. However, its usage is limited due to poor diagnostic accuracy especially in patients with mild cognitive impairment (MCI). The diagnostic value of a newly developed digital Clock Drawing Test (dCDT) was evaluated and compared with the cCDT in 20 patients with early dementia due to AD (eDAT), 30 patients with amnestic MCI (aMCI) and 20 cognitively healthy controls (HCs). Parameters assessed by dCDT were time while transitioning the stylus from one stroke to the next above the surface (i...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28443011/the-lateral-occipito-temporal-cortex-is-involved-in-the-mental-manipulation-of-body-part-imagery
#9
Mitsuru Kikuchi, Tetsuya Takahashi, Tetsu Hirosawa, Yumi Oboshi, Etsuji Yoshikawa, Yoshio Minabe, Yasuomi Ouchi
The lateral occipito-temporal cortex (LOTC), including the extrastriate body area, is known to be involved in the perception of body parts. Although still controversial, recent studies have demonstrated the role of the LOTC in higher-level body-related cognition in humans. This study consisted of two experiments (E1 and E2). The first (E1) was an exploratory experiment to find the neural correlate of the mental manipulation of body part imagery, in which brain cerebral glucose metabolic rates and the performance of mental rotation of the hand were measured in 100 subjects who exhibited a range of symptoms of cognitive decline...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28442996/structural-characteristics-of-simple-rna-repeats-associated-with-disease-and-their-deleterious-protein-interactions
#10
REVIEW
Adam Ciesiolka, Magdalena Jazurek, Karolina Drazkowska, Wlodzimierz J Krzyzosiak
Short Tandem Repeats (STRs) are frequent entities in many transcripts, however, in some cases, pathological events occur when a critical repeat length is reached. This phenomenon is observed in various neurological disorders, such as myotonic dystrophy type 1 (DM1), fragile X-associated tremor/ataxia syndrome, C9orf72-related amyotrophic lateral sclerosis and frontotemporal dementia (C9ALS/FTD), and polyglutamine diseases, such as Huntington's disease (HD) and spinocerebellar ataxias (SCA). The pathological effects of these repeats are triggered by mutant RNA transcripts and/or encoded mutant proteins, which depend on the localization of the expanded repeats in non-coding or coding regions...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28442895/oral-health-related-quality-of-life-and-prosthetic-status-of-nursing-home-residents-with-or-without-dementia
#11
Anna-Luisa Klotz, Alexander Jochen Hassel, Johannes Schröder, Peter Rammelsberg, Andreas Zenthöfer
PURPOSE: The objective of this cross-sectional study was to evaluate the effect of prosthetic status on the oral health-related quality of life (OHRQoL) of nursing home residents with or without dementia. METHODS: The study was performed in 14 nursing homes across the federal state of Baden-Württemberg, Germany. All eligible participants were included, and general and medical information and information about their dental and prosthetic statuses were collected...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28442772/discriminative-and-distinct-phenotyping-by-constrained-tensor-factorization
#12
Yejin Kim, Robert El-Kareh, Jimeng Sun, Hwanjo Yu, Xiaoqian Jiang
Adoption of Electronic Health Record (EHR) systems has led to collection of massive healthcare data, which creates oppor- tunities and challenges to study them. Computational phenotyping offers a promising way to convert the sparse and complex data into meaningful concepts that are interpretable to healthcare givers to make use of them. We propose a novel su- pervised nonnegative tensor factorization methodology that derives discriminative and distinct phenotypes. We represented co-occurrence of diagnoses and prescriptions in EHRs as a third-order tensor, and decomposed it using the CP algorithm...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28442357/dl-3-n-butylphthalide-promotes-neuroplasticity-and-motor-recovery-in-stroke-rats
#13
Yefei Sun, Xi Cheng, Huibin Wang, Xiaopeng Mu, Yifan Liang, YuJia Luo, Huiling Qu, Chuansheng Zhao
BACKGROUNDS AND AIMS: Racemic l-3-n-butylphthalide (dl-NBP), is able to achieve a functional recovery in animal models of cerebral ischemia, vascular dementia, and Alzheimer's disease. In this study, we investigated the effect of dl-NBP on axonal growth, neurogenesis and behavioral performances in rats with cerebral ischemia. METHODS: Focal cerebral ischemia in rats was produced by intracerebral injection of endothelin-1. Starting from postoperative day 7, the experimental rats were administered 70mg/kg dl-NBP by oral gavage for two weeks...
April 22, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28442216/trem2-microglia-and-neurodegenerative-diseases
#14
REVIEW
Felix L Yeh, David V Hansen, Morgan Sheng
Alzheimer's disease (AD) is the most common form of dementia and the 6th leading cause of death in the US. The neuropathological hallmarks of the disease are extracellular amyloid-β (Aβ) plaques and intraneuronal hyperphosphorylated tau aggregates. Genetic variants of TREM2 (triggering receptor expressed on myeloid cells 2), a cell-surface receptor expressed selectively in myeloid cells, greatly increase the risk of AD, implicating microglia and the innate immune system as pivotal factors in AD pathogenesis...
April 22, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28442175/reframing-continence-care-in-care-dependence
#15
Joan Ostaszkiewicz
International guidelines promote active investigation and treatment of incontinence; however, these guidelines do not fully accommodate the psychosocial aspects associated with providing continence care i.e. the caregiving dynamics. The author developed a new framework that aims to support nurses and care workers in their efforts to identify and meet the continence care needs of individuals with complex health conditions who are dependent on another person for assistance to manage incontinence or to maintain continence...
April 23, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/28441967/comparison-of-csf-markers-and-semi-quantitative-amyloid-pet-in-alzheimer-s-disease-diagnosis-and-in-cognitive-impairment-prognosis-using-the-adni-2-database
#16
Fayçal Ben Bouallègue, Denis Mariano-Goulart, Pierre Payoux
BACKGROUND: The relative performance of semi-quantitative amyloid positron emission tomography (PET) and cerebrospinal fluid (CSF) markers in diagnosing Alzheimer's disease (AD) and predicting the cognitive evolution of patients with mild cognitive impairment (MCI) is still debated. METHODS: Subjects from the Alzheimer's Disease Neuroimaging Initiative 2 with complete baseline cognitive assessment (Mini Mental State Examination, Clinical Dementia Rating [CDR] and Alzheimer's Disease Assessment Scale-Cognitive Subscale [ADAS-cog] scores), CSF collection (amyloid-β1-42 [Aβ], tau and phosphorylated tau) and (18)F-florbetapir scans were included in our cross-sectional cohort...
April 26, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28441649/home-based-physical-behavior-in-late-stage-parkinson-disease-dementia-differences-between-cognitive-subtypes
#17
Bernhard Cerff, Walter Maetzler, Patricia Sulzer, Malte Kampmeyer, Jos Prinzen, Markus A Hobert, Dominik Blum, Rob van Lummel, Silvia Del Din, Susanne Gräber, Daniela Berg, Inga Liepelt-Scarfone
BACKGROUND: For the early diagnosis of Parkinson disease dementia (PDD), objective home-based tools are needed to quantify even mild stages of dysfunction of the activities of daily living (ADL). OBJECTIVES: In this pilot study, home-based physical behavior was assessed to examine whether it is possible to distinguish mild cognitive impairment (PD-MCI) from PDD. METHODS: Fifty-five patients with mild to severe Parkinson disease (PD) participated in this cross-sectional study...
April 26, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28441414/regional-early-and-progressive-loss-of-brain-pericytes-but-not-vascular-smooth-muscle-cells-in-adult-mice-with-disrupted-platelet-derived-growth-factor-receptor-%C3%AE-signaling
#18
Angeliki Maria Nikolakopoulou, Zhen Zhao, Axel Montagne, Berislav V Zlokovic
Pericytes regulate key neurovascular functions of the brain. Studies in pericyte-deficient transgenic mice with aberrant signaling between endothelial-derived platelet-derived growth factor BB (PDGF-BB) and platelet-derived growth factor receptor β (PDGFRβ) in pericytes have contributed to better understanding of the role of pericytes in the brain. Here, we studied PdgfrβF7/F7 mice, which carry seven point mutations that disrupt PDGFRβ signaling causing loss of pericytes and vascular smooth muscle cells (VSMCs) in the developing brain...
2017: PloS One
https://www.readbyqxmd.com/read/28441276/augs-consensus-statement-association-of-anticholinergic-medication-use-and-cognition-in-women-with-overactive-bladder
#19
(no author information available yet)
Overactive bladder affects a significant portion of the overall population and has substantial impact on daily activities and quality-of-life. When considering treatment, behavioral therapies should be instituted first, followed by medical therapies. Anticholinergic medications and beta-3 agonists are often used as initial pharmacologic therapy, but caution should be taken in prescribing anticholinergic medications in frail or cognitively impaired patients. Recently, concerns have developed regarding anticholinergic medications and the associated risk of cognitive impairment, dementia, and Alzheimer disease in the general population...
May 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28440093/turmeric-curcuma-longa-l-extract-may-prevent-the-deterioration-of-spatial-memory-and-the-deficit-of-estimated-total-number-of-hippocampal-pyramidal-cells-of-trimethyltin-exposed-rats
#20
Sapto Yuliani, Mustofa, Ginus Partadiredja
CONTEXT: Protection of neurons from degeneration is an important preventive strategy for dementia. Much of the dementia pathology implicates oxidative stress pathways. Turmeric (Curcuma longa L.) contains curcuminoids which has anti-oxidative and neuro-protective effects. These effects are considered to be similar to those of citicoline which has been regularly used as one of standard medications for dementia. OBJECTIVE: This study aimed at investigating the effects of turmeric rhizome extract on the hippocampus of trimethyltin (TMT)-treated Sprague-Dawley rats...
April 25, 2017: Drug and Chemical Toxicology
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