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https://www.readbyqxmd.com/read/29353455/the-interplay-between-apolipoprotein-e4-and-the-autophagic-endocytic-lysosomal-axis
#1
REVIEW
E Schmukler, D M Michaelson, R Pinkas-Kramarski
Since its discovery as a genetic risk factor for Alzheimer's disease, the APOE4 allele has been linked to the majority of the pathological findings associated with the disease progression. These include abnormalities of the endocytic, autophagic, and lysosomal machineries, which begin at the most early stages of Alzheimer's disease development. Considering that these three vesicular systems share common features and, in fact, comprise an interconnected cargo-trafficking and degradation network, some of the effects of APOE4 are interrelated, while others are system-specific...
January 20, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29353441/pre-and-postoperative-management-of-risk-factors-for-postoperative-delirium-who-is-in-charge-and-what-is-its-essence
#2
Bruno Neuner, Daniel Hadzidiakos, Gabriella Bettelli
Postoperative delirium (POD) is an adverse clinical outcome characterized by cognitive, affective and behavioral symptoms with typically an acute onset and a fluctuating course. POD is attributed to certain patients' predisposing factors as well as to treatment-related precipitating factors. While there are several single-component interventions for the prevention of POD, evolving evidence suggests the importance of a system approach in the prevention of POD. This involves strategies by multidisciplinary teams with additional geriatric consultation services to identify risk factors for POD and to modify their impact on the perioperative course...
January 20, 2018: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29353397/patients-perceptions-of-pharmacist-managed-diabetes-services-in-the-ambulatory-care-and-community-settings-within-singapore
#3
Melanie Yee Lee Siaw, Jing Heng Toh, Joyce Yu-Chia Lee
Background Qualitative evidence on patients' perceptions of pharmacist-managed diabetes services (PMDSs) is limited. Objective To explore patients' perceptions of PMDSs Setting Patients being cared for in the outpatient settings in Singapore. Methods This focus group included patients who were diagnosed with type 2 diabetes, spoke either English or Mandarin, attended PMDSs for at least 6 months in the ambulatory care or community settings, and were at least 21 years of age. Patients with cognitive impairments or mobility issues were excluded...
January 20, 2018: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/29353373/disturbance-of-metabotropic-glutamate-receptor-mediated-long-term-depression-mglu-ltd-of-excitatory-synaptic-transmission-in-the-rat-hippocampus-after-prenatal-immune-challenge
#4
Mélanie Cavalier, Azza Ben Sedrine, Lea Thevenet, Nadine Crouzin, Janique Guiramand, Marie-Céleste de Jésus Ferreira, Catherine Cohen-Solal, Gérard Barbanel, Michel Vignes
Maternal immune challenge has proved to induce moderate to severe behavioral disabilities in the offspring. Cognitive/behavioral deficits are supported by changes in synaptic plasticity in different brain areas. We have reported previously that prenatal exposure to bacterial LPS could induce inhibition of hippocampal long-term potentiation (LTP) in the CA1 area of the juvenile/adult male offspring associated with spatial learning inabilities. Nevertheless, deficits in plasticity could be observed at earlier stages as shown by the early loss of long-term depression (LTD) in immature animals...
January 20, 2018: Neurochemical Research
https://www.readbyqxmd.com/read/29353301/the-efficacy-of-motivational-intervention-and-cognitive-behavioral-therapy-for-pathological-gambling
#5
Anna Garcia-Caballero, Marina Torrens-Lluch, Isabel Ramírez-Gendrau, Gemma Garrido, Vicenç Vallès, Núria Aragay
The aim of the current study is to determine the effectiveness of an individual psychological intervention based on the motivational interview and cognitive-behavioral therapy for the treatment of pathological gambling. A sample of 18 participants, diagnosed of pathological gambling and without any other associated comorbidity, were assessed, attended at the publicly-funded Gambling and Behavioral Addictions Unit (Consorci Sanitari de Terrassa). Median age was 46 years (SD = 12). All the patients achieved abstinence and completed follow-up...
January 15, 2018: Adicciones
https://www.readbyqxmd.com/read/29353280/microstructure-of-strategic-white-matter-tracts-and-cognition-in-memory-clinic-patients-with-vascular-brain-injury
#6
J Matthijs Biesbroek, Alexander Leemans, Hanna den Bakker, Marco Duering, Benno Gesierich, Huiberdina L Koek, Esther van den Berg, Albert Postma, Geert Jan Biessels
BACKGROUND: White matter injury is an important factor for cognitive impairment in memory clinic patients. We determined the added value of diffusion tensor imaging (DTI) of strategic white matter tracts in explaining variance in cognition in memory clinic patients with vascular brain injury. METHODS: We included 159 patients. Conventional MRI markers (white matter hyperintensity volume, lacunes, nonlacunar infarcts, brain atrophy, and microbleeds), and fractional anisotropy and mean diffusivity (MD) of the whole brain white matter and of 18 white matter tracts were related to cognition using linear regression and Bayesian network analysis...
January 19, 2018: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/29353214/effects-of-poor-sleep-quality-on-brain-functional-connectivity-revealed-by-wavelet-based-coherence-analysis-using-nirs-methods-in-elderly-subjects
#7
Lingguo Bu, Dawei Wang, Congcong Huo, Gongcheng Xu, Zengyong Li, Jianfeng Li
OBJECTIVE: Poor sleep quality, which is typically related to impairments in cognitive control, is pervasive among the elderly. However, the brain function mechanisms underlying the association between sleep and elderly behavior remain elusive. This study aims to assess the effects of poor sleep quality on low-frequency neural oscillations based on the wavelet phase coherence (WPCO) and wavelet amplitude (WA) of oxyhemoglobin concentration changes (Delta [HbO2]) measured through near-infrared spectroscopy (NIRS) method...
January 17, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29353213/multiple-cortical-thickness-sub-networks-and-cognitive-impairments-in-first-episode-drug-na%C3%A3-ve-patients-with-late-life-depression-a-graph-theory-analysis
#8
Jeong-Hyeon Shin, Yu Hyun Um, Chang Uk Lee, Hyun Kook Lim, Joon-Kyung Seong
BACKGROUND: Coordinated and pattern-wise changes in large scale gray matter structural networks reflect neural circuitry dysfunction in late life depression (LLD), which in turn is associated with emotional dysregulation and cognitive impairments. However, due to methodological limitations, there have been few attempts made to identify individual-level structural network properties or sub-networks that are involved in important brain functions in LLD. METHODS: In this study, we sought to construct individual-level gray matter structural networks using average cortical thicknesses of several brain areas to investigate the characteristics of the gray matter structural networks in normal controls and LLD patients...
January 5, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29353179/features-of-borderline-personality-disorder-as-a-mediator-of-the-relation-between-childhood-traumatic-experiences-and-psychosis-like-experiences-in-patients-with-mood-disorder
#9
Ilya Baryshnikov, Kari Aaltonen, Jaana Suvisaari, Maaria Koivisto, Martti Heikkinen, Grigori Joffe, Erkki Isometsä
BACKGROUND: Psychosis-like experiences (PEs) are common in patients with non-psychotic disorders. Several factors predict reporting of PEs in mood disorders, including mood-associated cognitive biases, anxiety and features of borderline personality disorder (BPD). Childhood traumatic experiences (CEs), often reported by patients with BPD, are an important risk factor for mental disorders. We hypothesized that features of BPD may mediate the relationship between CEs and PEs. In this study, we investigated the relationships between self-reported PEs, CEs and features of BPD in patients with mood disorders...
January 17, 2018: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29353121/tau-pet-imaging-with-18f-av-1451-in-primary-progressive-apraxia-of-speech
#10
Rene L Utianski, Jennifer L Whitwell, Christopher G Schwarz, Matthew L Senjem, Nirubol Tosakulwong, Joseph R Duffy, Heather M Clark, Mary M Machulda, Ronald C Petersen, Clifford R Jack, Val J Lowe, Keith A Josephs
Apraxia of speech is a motor speech disorder characterized by combinations of slow speaking rate, abnormal prosody, distorted sound substitutions, and trial-and-error articulatory movements. Apraxia of speech is due to abnormal planning and/or programming of speech production. It is referred to as primary progressive apraxia of speech (PPAOS) when it is the only symptom of a neurodegenerative condition. Past reports suggest an association of PPAOS with primary 4-repeat (4R) tau (e.g., progressive supranuclear palsy, corticobasal degeneration), rather than amyloid, pathology...
January 2, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29353102/aging-african-green-monkeys-manifest-transcriptional-pathological-and-cognitive-hallmarks-of-human-alzheimer-s-disease
#11
Paige E Cramer, Renee C Gentzel, Keith Q Tanis, Joshua Vardigan, Yi Wang, Brett Connolly, Philip Manfre, Kenneth Lodge, John J Renger, Celina Zerbinatti, Jason M Uslaner
While many preclinical models of Alzheimer's disease (AD) have been reported, none fully recapitulate the disease. In an effort to identify an appropriate preclinical disease model, we characterized age-related changes in 2 higher order species, the African green monkey (AGM) and the rhesus macaque. Gene expression profiles in the dorsolateral prefrontal cortex and the visual cortex showed age-related changes in AGMs that are strikingly reminiscent of AD, whereas aged rhesus were most similar to healthy elderly humans...
December 20, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29353101/amyloid-pathology-in-the-progression-to-mild-cognitive-impairment
#12
Philip S Insel, Oskar Hansson, R Scott Mackin, Michael Weiner, Niklas Mattsson
The objective of this study was to determine the cognitive and functional decline and development of brain injury in individuals progressing from preclinical (β-amyloid positive cognitively normal) to prodromal Alzheimer's disease (AD) (β-amyloid positive mild cognitive impairment [MCI]), and compare this with individuals who progress to MCI in the absence of significant amyloid pathology. Seventy-five cognitively healthy participants who progressed to MCI were followed for 4 years on average and up to 10 years...
December 27, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29353093/executive-functions-visual-motor-coordination-physical-fitness-and-academic-achievement-longitudinal-relations-in-typically-developing-children
#13
Nicole Oberer, Venera Gashaj, Claudia M Roebers
The present longitudinal study included different school readiness factors measured in kindergarten with the aim to predict later academic achievement in second grade. Based on data of N = 134 children, the predictive power of executive functions, visual-motor coordination and physical fitness on later academic achievement was estimated using a latent variable approach. By entering all three predictors simultaneously into the model to predict later academic achievement, significant effects of executive functions and visual-motor coordination on later academic achievement were found...
January 17, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29353053/conditional-inactivation-of-npy1r-gene-in-mice-induces-behavioural-inflexibility-and-orbitofrontal-cortex-hyperactivity-that-are-reversed-by-escitalopram
#14
Angela Longo, Melissa Fadda, Claudio Brasso, Paolo Mele, Paola Palanza, Ishira Nanavaty, Ilaria Bertocchi, Alessandra Oberto, Carola Eva
Cognitive flexibility is the ability to rapidly adapt established patterns of behaviour in the face of changing circumstance and depends critically on the orbitofrontal cortex (OFC). Impaired flexibility also results from altered serotonin transmission in the OFC. The Y1 (Y1R) and Y5 (Y5R) receptors for neuropeptide Y (NPY) colocalize in several brain regions and have overlapping functions in regulating cognition and emotional behaviour. The targeted disruption of gene encoding Y1R (Npy1r gene) in Y5R containing neurons (Npy1rY5R-/- mice) increases anxiety-like behaviour and spatial reference memory...
January 15, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29353052/evidence-for-altered-insulin-receptor-signaling-in-alzheimer-s-disease
#15
REVIEW
Chelsea M Griffith, Tore Eid, Gregory M Rose, Peter R Patrylo
Epidemiological data have shown that metabolic disease can increase the propensity for developing cognitive decline and dementia, particularly Alzheimer's disease (AD). While this interaction is not completely understood, clinical studies suggest that both hyper- and hypoinsulinemia are associated with an increased risk for developing AD. Indeed, insulin signaling is altered in post-mortem brain tissue from AD patients and treatments known to enhance insulin signaling, can improve cognitive function. Further, clinical evidence has shown that AD patients and mouse models of AD often display alterations in peripheral metabolism...
January 15, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29352978/use-of-multimodality-imaging-and-artificial-intelligence-for-diagnosis-and-prognosis-of-early-stages-of-alzheimer-s-disease
#16
REVIEW
Xiaonan Liu, Kewei Chen, Teresa Wu, David Weidman, Fleming Lure, Jing Li
Alzheimer's disease (AD) is a major neurodegenerative disease and the most common cause of dementia. Currently, no treatment exists to slow down or stop the progression of AD. There is converging belief that disease-modifying treatments should focus on early stages of the disease, that is, the mild cognitive impairment (MCI) and preclinical stages. Making a diagnosis of AD and offering a prognosis (likelihood of converting to AD) at these early stages are challenging tasks but possible with the help of multimodality imaging, such as magnetic resonance imaging (MRI), fluorodeoxyglucose-positron emission topography (PET), amyloid-PET, and recently introduced tau-PET, which provides different but complementary information...
January 10, 2018: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/29352855/risk-of-progression-from-subjective-cognitive-decline-to-mild-cognitive-impairment-the-role-of-study-setting
#17
Beth E Snitz, Tianxiu Wang, Yona Keich Cloonan, Erin Jacobsen, Chung-Chou H Chang, Tiffany F Hughes, M Ilyas Kamboh, Mary Ganguli
INTRODUCTION: We compared risk of progression from subjective cognitive decline (SCD) to mild cognitive impairment (MCI) in an academic memory clinic versus a population-based study. METHODS: Older adults presenting at a memory clinic were classified as SCD (n = 113) or as noncomplainers (n = 82). Participants from a population study were classified as SCD (n = 592) and noncomplainers (n = 589) based on a memory complaint score. Annual follow-up performed for 3 years...
January 17, 2018: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/29352849/impact-of-vasculitis-on-employment-and-income
#18
Lillian Barra, Renée L Borchin, Cristina Burroughs, George C Casey, Carol A McAlear, Antoine G Sreih, Kalen Young, Peter A Merkel, Christian Pagnoux
OBJECTIVES: Work disability associated with rheumatic diseases accounts for a substantial financial burden. However, few studies have investigated disability among patients with vasculitis. The purpose of this study was to examine the impact of vasculitis on patient employment and income. METHODS: Patients enrolled in the Vasculitis Clinical Research Consortium (VCRC) Patient Contact Registry, living in the USA or Canada, and followed for >1 year post-diagnosis, participated in an online survey-based study...
January 10, 2018: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29352823/neurocognitive-and-self-efficacy-benefits-of-cognitive-remediation-in-schizophrenia-a-randomized-controlled-trial
#19
Shayden D Bryce, Susan L Rossell, Stuart J Lee, Richard J Lawrence, Eric J Tan, Sean P Carruthers, Jennie L Ponsford
OBJECTIVES: The aim of this study was to evaluate the impact of computer-assisted "drill-and-strategy" cognitive remediation (CR) for community-dwelling individuals with schizophrenia on cognition, everyday self-efficacy, and independent living skills. METHODS: Fifty-six people with schizophrenia or schizoaffective disorder were randomized into CR or computer game (CG) playing (control), and offered twenty 1-hr individual sessions in a group setting over 10 weeks...
January 21, 2018: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/29352821/a-brief-assessment-unravels-unmet-needs-of-older-people-in-primary-care-a-mixed-methods-evaluation-of-the-spice-tool-in-portugal
#20
Conceição Balsinha, Maria J Marques, Manuel Gonçalves-Pereira
Assessments of need may contribute to identifying health problems associated with functional deterioration in older people. A shorter version of the Camberwell Assessment of Need for the Elderly was developed for routine use in primary care, focusing on five domains: Senses, Physical ability, Incontinence, Cognition, and Emotional distress (SPICE). We aimed to explore its usefulness and feasibility in primary care. We selected a consecutive sample of 51 community-dwelling older adults. The SPICE interview was completed by GPs and patients, with perceptions about its use in primary care being explored...
January 21, 2018: Primary Health Care Research & Development
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