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https://www.readbyqxmd.com/read/28344547/app-function-and-lipids-a-bidirectional-link
#1
REVIEW
Marcus O W Grimm, Janine Mett, Heike S Grimm, Tobias Hartmann
Extracellular neuritic plaques, composed of aggregated amyloid-β (Aβ) peptides, are one of the major histopathological hallmarks of Alzheimer's disease (AD), a progressive, irreversible neurodegenerative disorder and the most common cause of dementia in the elderly. One of the most prominent risk factor for sporadic AD, carrying one or two aberrant copies of the apolipoprotein E (ApoE) ε4 alleles, closely links AD to lipids. Further, several lipid classes and fatty acids have been reported to be changed in the brain of AD-affected individuals...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28342195/a-simple-self-diagnosis-tool-to-assess-the-prevalence-of-dermatoporosis-in-france
#2
Jean-Hilaire Saurat, Valérie Mengeaud, Victor Georgescu, Christine Coutanceau, Khaled Ezzedine, Charles Taïeb
IMPORTANCE: The term dermatoporosis has been proposed to describe clinical signs and functional consequences of age-related extreme skin fragility. OBJECTIVE: To create a simple dermatoporosis self-diagnosis tool (IDA: Index Dermatoporosis Assessment) and to use this tool to estimate the prevalence of dermatoporosis in France. DESIGN, SETTING, AND PARTICIPANTS: A specific dermatoporosis questionnaire was developed with the help of senior dermatologists and survey experts...
March 25, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28340935/individual-and-hospital-related-determinants-of-potentially-inappropriate-admissions-emerging-from-administrative-records
#3
Marco Fusco, Alessandra Buja, Paolo Piergentili, Maria Teresa Golfetto, Gianni Serafin, Silvia Gallo, Livio Dalla Barba, Vincenzo Baldo
INTRODUCTION: The appropriate use of health care is an important issue in developed countries. The purpose of this study was to ascertain the extent of potentially inappropriate hospital admissions and their individual, clinical and hospital-related determinants. METHODS: Medical records were analyzed for the year 2014 held by the Local Heath Unit n. 13 in the Veneto Region of north-east Italy (19,000 records). The outcomes calculated were: admissions for conditions amenable to day hospital care; brief medical admissions; outlier lengths of stay for elderly patients' medical admissions; and medical admissions to surgical wards...
November 2016: Health Policy
https://www.readbyqxmd.com/read/28339630/mr-tractography-in-short-lasting-unilateral-neuralgiform-headache-attacks-with-conjunctival-injection-and-tearing-sunct-patients-case-reports
#4
Ozlem Coskun, Murat Ucar, Doga Vuralli, Funuzar Yildirim, Rumeysa Cetinkaya, Suna Akin Takmaz, Serap Ucler
Background. : Short-lasting unilateral neuralgiform headache attack with conjunctival injection and tearing (SUNCT) is one of the trigeminal autonomic cephalalgias where neurovascular compression was detected in neuroimaging in recent years. Case. : We report two cases, a 52-year-old adult and a 69-year-old elderly patient with short-lasting and recurrent headache combined with cranial autonomic features. Diffusion tensor imaging (DTI) and magnetic resonance (MR) tractography of both patients outlined structural changes of the trigeminal nerve revealing neurovascular compression...
February 11, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28333717/effect-of-resistance-exercise-on-muscle-metabolism-and-autophagy-in-sibm
#5
Jae-Hoon Jeong, Dae-Seung Yang, Dong-Ju Hwang, Joon-Yong Cho, Eun-Bum Kang
PURPOSE: Sporadic inclusion body myositis (sIBM), a muscular degenerative disease in the elderly, is an inflammatory myopathy characterized by muscle weakness in the wrist flexor, quadriceps, and tibialis anterior muscles. We aimed to identify the therapeutic effect of resistance exercise (RE) in improving sIBM symptoms in an sIBM animal model. METHODS: Six-week-old male Wistar rats were divided into a sham group (sham, n = 12), chloroquine-control group (CQ-con, n = 12), and chloroquine-RE group (CQ-RE, n = 12)...
March 23, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28332867/age-related-changes-in-thoracic-skeletal-geometry-of-elderly-females
#6
Sven A Holcombe, Stewart C Wang, James B Grotberg
OBJECTIVE: Both females and the elderly have been identified as vulnerable populations with increased injury and mortality risk in multiple crash scenarios. Particularly in frontal impacts, older females show higher risk to the chest and thorax than their younger or male counterparts. Thoracic geometry plays a role in this increase, and this study aims to quantify key parts of that geometry in a way that can directly inform human body models that incorporate the concept of person age...
March 23, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28331324/update-on-the-treatment-of-parkinson-s-disease-psychosis-role-of-pimavanserin
#7
REVIEW
Brianna L Combs, Arthur G Cox
Parkinson's disease (PD) has a prevalence of nearly 1 million people in the USA, with increasing incidence in the elderly population. Generally, the age of presentation is between 55 and 65 years, with the likelihood of diagnosis increasing as patients reach the age of 80 years or above. Some of the common treatments for PD increase dopamine levels in the brain. Dopaminergic therapy helps to improve motor and non-motor symptoms, but it is not without risks. Dopaminergic therapy can cause confusion, delirium, and psychotic-like behavior...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28331061/an-intracellular-matrix-metalloproteinase-2-isoform-induces-tubular-regulated-necrosis-implications-for-acute-kidney-injury
#8
Carla S Ceron, Celine Baligand, Sunil K Joshi, Shaynah Wanga, Patrick M Cowley, Joy P Walker, Sang Heon Song, Rajeev Mahimkar, Anthony J Baker, Robert L Raffai, Zhen J Wang, David H Lovett
Acute kidney injury (AKI) causes severe morbidity, mortality, and chronic kidney disease (CKD). Mortality is particularly marked in the elderly and with pre-existing CKD. Oxidative stress is a common theme in models of AKI induced by ischemia/reperfusion (I/R) injury. We recently characterized an intracellular isoform of matrix metalloproteinase-2 (MMP-2) induced by oxidative stress-mediated activation of an alternate promoter in the first intron of the MMP-2 gene. This generates an N-terminal truncated MMP-2 isoform (NTT-MMP-2) that is intracellular and associated with mitochondria...
March 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28326869/design-and-evaluation-of-vibratory-shoe-on-balance-control-for-elderly-subjects-technical-note
#9
Atefeh Aboutorabi, Mokhtar Arazpour, Farzam Farahmand, Mahmood Bahramizadeh, Reza Fadayevatan, Ehsan Abdollahi
BACKGROUND AND AIM: Aging often results in a decline in somatosensory function, and such changes are associated with diminished motor performance. Input noise can enhance sensory and motor function through a mechanism known as stochastic resonance (SR). This paper describes the development and testing of a new vibrating shoe to possibly assist the elderly patients in controlling their balance and decreasing their falling risks. TECHNIQUE: The new vibrating shoe was evaluated to ascertain its ability to generate appropriate random and nonlinear vibrations...
March 22, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28320767/comparing-outcomes-between-antibody-induction-therapies-in-kidney-transplantation
#10
Neel Koyawala, Jeffrey H Silber, Paul R Rosenbaum, Wei Wang, Alexander S Hill, Joseph G Reiter, Bijan A Niknam, Orit Even-Shoshan, Roy D Bloom, Deirdre Sawinski, Susanna Nazarian, Jennifer Trofe-Clark, Mary Ann Lim, Jesse D Schold, Peter P Reese
Kidney transplant recipients often receive antibody induction. Previous studies of induction therapy were often limited by short follow-up and/or absence of information about complications. After linking Organ Procurement and Transplantation Network data with Medicare claims, we compared outcomes between three induction therapies for kidney recipients. Using novel matching techniques developed on the basis of 15 clinical and demographic characteristics, we generated 1:1 pairs of alemtuzumab-rabbit antithymocyte globulin (rATG) (5330 pairs) and basiliximab-rATG (9378 pairs) recipients...
March 20, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28319189/lung-function-parameters-improve-prediction-of-vo2peak-in-an-elderly-population-the-generation-100-study
#11
Erlend Hassel, Dorthe Stensvold, Thomas Halvorsen, Ulrik Wisløff, Arnulf Langhammer, Sigurd Steinshamn
Peak oxygen uptake (VO2peak) is an indicator of cardiovascular health and a useful tool for risk stratification. Direct measurement of VO2peak is resource-demanding and may be contraindicated. There exist several non-exercise models to estimate VO2peak that utilize easily obtainable health parameters, but none of them includes lung function measures or hemoglobin concentrations. We aimed to test whether addition of these parameters could improve prediction of VO2peak compared to an established model that includes age, waist circumference, self-reported physical activity and resting heart rate...
2017: PloS One
https://www.readbyqxmd.com/read/28315394/physical-activity-and-dietary-habits-related-to-cardiovascular-risk-in-independent-community-living-older-women
#12
A B Fraile-Bermúdez, M Kortajarena, I Zarrazquin, A Irazusta, A Fernandez-Atutxa, F Ruiz-Litago, J J Yanguas, J Gil, J Irazusta
A side effect of increased life expectancy is a surge in sequelae of diseases and injuries, which in turn increase the duration of life with disability among the elderly. The aim of this study was to ascertain the physical activity and nutritional parameters that better predict cardiovascular risk in a cohort of older women. A cross-sectional study was designed including 65 women able to independently perform basic activities of daily life. Data collection included anthropometric measurement, blood pressure measurement, blood analytics, objectively measurement of physical activity, and dietary assessment...
March 14, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28299780/age-related-changes-of-sulcal-imprints-on-the-endocranium-in-the-japanese-macaque-macaca-fuscata
#13
Nguyen Van Minh, Yuzuru Hamada
OBJECTIVES: The degree of expression of sulcal patterns on endocasts of nonhuman primates has been shown to depend primarily on species (brain size) and age of the individual. It has been suggested that brain details on endocasts are reproduced better in juvenile than adult primates. Here, we investigated age-related changes in the imprint of the major sulci on the endocranium of Japanese macaques (Macaca fuscata) from the juvenile period to adulthood. MATERIALS AND METHODS: Using CT scans of 25 (12 males, 13 females) cranial specimens from macaques, we generated virtual endocasts to assess imprints of the seven main sulci on the endocranial surface...
March 16, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28295799/your-algorithm-might-think-the-hippocampus-grows-in-alzheimer-s-disease-caveats-of-longitudinal-automated-hippocampal-volumetry
#14
Tejas Sankar, Min Tae M Park, Tasha Jawa, Raihaan Patel, Nikhil Bhagwat, Aristotle N Voineskos, Andres M Lozano, M Mallar Chakravarty
Hippocampal atrophy rate-measured using automated techniques applied to structural MRI scans-is considered a sensitive marker of disease progression in Alzheimer's disease, frequently used as an outcome measure in clinical trials. Using publicly accessible data from the Alzheimer's Disease Neuroimaging Initiative (ADNI), we examined 1-year hippocampal atrophy rates generated by each of five automated or semiautomated hippocampal segmentation algorithms in patients with Alzheimer's disease, subjects with mild cognitive impairment, or elderly controls...
March 15, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28293226/cronobacter-sakazakii-atcc-29544-autoaggregation-requires-flic-flagellation-not-motility
#15
Jennifer L Hoeflinger, Michael J Miller
Cronobacter sakazakii is an opportunistic nosocomial and foodborne pathogen that causes severe infections with high morbidity and mortality rates in neonates, the elderly, and immunocompromised individuals. Little is known about the pathogenesis mechanism of this pathogen and if there are any consequences of C. sakazakii colonization in healthy individuals. In this study, we characterized the mechanisms of autoaggregation in C. sakazakii ATCC 29544 (CS29544). Autoaggregation in CS29544 occurred rapidly, within 30 min, and proceeded to a maximum of 70%...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28289553/%C3%AE-gal-nanoparticles-in-wound-and-burn-healing-acceleration
#16
REVIEW
Uri Galili
Significance: Rapid recruitment and activation of macrophages may accelerate wound healing. Such accelerated healing was observed in wounds and burns of experimental animals treated with α-gal nanoparticles. Recent Advances: α-Gal nanoparticles present multiple α-gal epitopes (Galα1-3Galβ1-4GlcNAc-R). α-Gal nanoparticles applied to wounds bind anti-Gal (the most abundant antibody in humans) and generate chemotactic complement peptides, which rapidly recruit macrophages. Fc/Fc receptor interaction between anti-Gal coating the α-gal nanoparticles and recruited macrophages activates macrophages to produce cytokines that accelerate healing...
March 1, 2017: Advances in Wound Care
https://www.readbyqxmd.com/read/28287405/t-cells-control-the-generation-of-nanomolar-affinity-anti-glycan-antibodies
#17
Zinaida Polonskaya, Shenglou Deng, Anita Sarkar, Lisa Kain, Marta Comellas-Aragones, Craig S McKay, Katarzyna Kaczanowska, Marie Holt, Ryan McBride, Valle Palomo, Kevin M Self, Seth Taylor, Adriana Irimia, Sanjay R Mehta, Jennifer M Dan, Matthew Brigger, Shane Crotty, Stephen P Schoenberger, James C Paulson, Ian A Wilson, Paul B Savage, M G Finn, Luc Teyton
Vaccines targeting glycan structures at the surface of pathogenic microbes must overcome the inherent T cell-independent nature of immune responses against glycans. Carbohydrate conjugate vaccines achieve this by coupling bacterial polysaccharides to a carrier protein that recruits heterologous CD4 T cells to help B cell maturation. Yet they most often produce low- to medium-affinity immune responses of limited duration in immunologically fit individuals and disappointing results in the elderly and immunocompromised patients...
March 13, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28282420/generation-of-retinal-pigmented-epithelium-from-ipscs-derived-from-the-conjunctiva-of-donors-with-and-without-age-related-macular-degeneration
#18
Zhouhui Geng, Patrick J Walsh, Vincent Truong, Caitlin Hill, Mara Ebeling, Rebecca J Kapphahn, Sandra R Montezuma, Ching Yuan, Heidi Roehrich, Deborah A Ferrington, James R Dutton
Fidelity in pluripotent stem cell differentiation protocols is necessary for the therapeutic and commercial use of cells derived from embryonic and induced pluripotent stem cells. Recent advances in stem cell technology, especially the widespread availability of a range of chemically defined media, substrates and differentiation components, now allow the design and implementation of fully defined derivation and differentiation protocols intended for replication across multiple research and manufacturing locations...
2017: PloS One
https://www.readbyqxmd.com/read/28282401/nudging-to-prevent-the-purchase-of-incompatible-digital-products-online-an-experimental-study
#19
Gabriele Esposito, Penélope Hernández, René van Bavel, José Vila
Ensuring safe and satisfactory online shopping activity, especially among vulnerable consumers such as elderly and less educated citizens, is part of a larger set of consumer policy objectives seeking to strengthen trust in the electronic marketplace. This article contributes to that goal by testing the effectiveness of nudges intended to prevent the purchase of 'incompatible' digital products (i.e., those which cannot be used with the devices owned by consumers or the systems they operate). We ran a computerised lab experiment (n = 626) examining three types of nudges, the effects of age and education, and interaction effects between these variables and the nudges...
2017: PloS One
https://www.readbyqxmd.com/read/28280892/antidepressant-pharmacotherapy-in-old-age-depression-a-review-and-clinical-approach
#20
REVIEW
Nathalie Pruckner, Vjera Holthoff-Detto
PURPOSE: Depression in old age is a disabling disease associated with functional and cognitive decline severely affecting quality of life. Studies specifically investigating antidepressant treatment for this special cohort of patients remain scarce and results are often conflicting. A narrative literature review was undertaken, synthesizing findings from published studies, systematic reviews, and treatment guidelines specifically conducted in elderly depressed patients to summarize implications and current recommendations as well as gaps in evidence for old-age pharmacologic treatment...
March 10, 2017: European Journal of Clinical Pharmacology
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