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https://www.readbyqxmd.com/read/28229255/nordic-walking-training-attenuation-of-oxidative-stress-in-association-with-a-drop-in-body-iron-stores-in-elderly-women
#1
Jakub Kortas, Agnieszka Kuchta, Krzysztof Prusik, Katarzyna Prusik, Ewa Ziemann, Sandra Labudda, Agnieszka Ćwiklińska, Ewa Wieczorek, Maciej Jankowski, Jedrzej Antosiewicz
Excess body iron accumulation and oxidative stress has been associated with ageing. Regular exercise has been shown to reduce oxidative stress and induce some changes in iron metabolism. However, the effects of exercise on both of these parameters have been poorly investigated. In our study, 35 elderly women participated in 12 weeks of Nordic walking (NW) training (three times a week). We demonstrated that the training caused a significant reduction in malondialdehyde advanced oxidation protein products-markers of oxidative stress but had no effects on paraoxonase 1 activity...
February 22, 2017: Biogerontology
https://www.readbyqxmd.com/read/28227589/uhf-wearable-battery-free-sensor-module-for-activity-and-falling-detection
#2
Nam Trung Dang, Thang Viet Tran, Wan-Young Chung, Nam Trung Dang, Thang Viet Tran, Wan-Young Chung, Thang Viet Tran, Wan-Young Chung, Nam Trung Dang
Falling is one of the most serious medical and social problems in aging population. Therefore taking care of the elderly by detecting activity and falling for preventing and mitigating the injuries caused by falls needs to be concerned. This study proposes a wearable, wireless, battery free ultra-high frequency (UHF) smart sensor tag module for falling and activity detection. The proposed tag is powered by UHF RF wave from reader and read by a standard UHF Electronic Product Code (EPC) Class-1 Generation-2 reader...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227174/two-threshold-energy-based-fall-detection-using-a-triaxial-accelerometer
#3
Angela Sucerquia, Jose D Lopez, Francisco Vargas, Angela Sucerquia, Jose D Lopez, Francisco Vargas, Angela Sucerquia, Francisco Vargas, Jose D Lopez
Elderly fall detection based on accelerometers is an active research area. Nowadays authors are addressing specific problems such as failure rates and energy consumption, but in most cases their strategies do not conciliate these objectives. In this paper we propose a double threshold based methodology with two novel detection features, a product between the sum vector magnitude and the signal magnitude area, and a normalization of the signal magnitude area over five 1 s windows. The methodology was validated using the public Mobifall dataset, and one developed for this work...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225718/frailty-and-circulating-markers-of-inflammation-in-hiv-and-hiv-men-in-the-multicenter-aids-cohort-study
#4
Joseph B Margolick, Jay H Bream, Otoniel Martínez-Maza, Joe Lopez, Xiuhong Li, John P Phair, Susan L Koletar, Lisa P Jacobson
BACKGROUND: Frailty is associated with immune activation and inflammation in the elderly general population, but whether this is true in the younger HIV-infected (HIV+) population is not known. METHODS: We analyzed 24 serologic biomarkers of monocyte, T-cell, or B-cell activation in HIV- (n = 207) and HIV+ (n = 714; 75% virologically suppressed) men who have sex with men in the Multicenter AIDS Cohort Study (MACS) and were classified as frail or nonfrail according to expression or nonexpression of the frailty phenotype at 2 consecutive study visits...
April 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28215914/fecal-carriage-of-mdros-in-a-population-of-lebanese-elderly-dynamics-and-impact-on-bacterial-fitness
#5
Caren Challita, Elias Dahdouh, Michel Attieh, Iman Dandachi, Elio Ragheb, Roy Taoutel, Carl Tanba, Ziad Daoud
Muti-Drug Resistant Organisms (MDROs) are problematic all over the world, especially in Lebanon. High fecal carriage rates of MDR Enterobacteriaceae were reported from Lebanese nursing homes. Some studies show that MDROs have a fitness cost as compared to sensitive isolates. In this study, the competitive growth of MDR Escherichia coli obtained from fecal samples from elderly is assessed. Fecal swabs from ten elderly patients from a Lebanese nursing home were obtained between June and December, 2015. Isolates were identified by API 20E and antimicrobial susceptibilities were determined...
February 16, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28215298/development-of-precision-small-molecule-proneurotrophic-therapies-for-neurodegenerative-diseases
#6
J Janssens, D Lu, B Ni, W Chadwick, S Siddiqui, A Azmi, H Etienne, A Jushaj, J van Gastel, B Martin, S Maudsley
Age-related neurodegenerative diseases, such as Alzheimer's disease, will represent one of the largest future burdens on worldwide healthcare systems due to the increasing proportion of elderly in our society. As deficiencies in neurotrophins are implicated in the pathogenesis of many age-related neurodegenerative disorders, it is reasonable to consider that global neurotrophin resistance may also become a major healthcare threat. Central nervous system networks are effectively maintained through aging by neuroprotective and neuroplasticity signaling mechanisms which are predominantly controlled by neurotrophin receptor signaling...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28210295/global-impact-of-bronchiectasis-and-cystic-fibrosis
#7
REVIEW
Margarida Redondo, Holly Keyt, Raja Dhar, James D Chalmers
EDUCATIONAL AIMS: To recognise the clinical and radiological presentation of the spectrum of diseases associated with bronchiectasis.To understand variation in the aetiology, microbiology and burden of bronchiectasis and cystic fibrosis across different global healthcare systems. : Bronchiectasis is the term used to refer to dilatation of the bronchi that is usually permanent and is associated with a clinical syndrome of cough, sputum production and recurrent respiratory infections...
September 2016: Breathe
https://www.readbyqxmd.com/read/28210257/kinetics-of-cytotoxic-lymphocytes-reconstitution-after-induction-chemotherapy-in-elderly-aml-patients-reveals-progressive-recovery-of-normal-phenotypic-and-functional-features-in-nk-cells
#8
Jérôme Rey, Cyril Fauriat, Eloïse Kochbati, Florence Orlanducci, Aude Charbonnier, Evelyne D'Incan, Pascale Andre, François Romagne, Bernadette Barbarat, Norbert Vey, Daniel Olive
NK cells are defective in acute myeloid leukemia (AML) at diagnosis. Here, we studied the kinetic of expression of the major activating and inhibitory receptors of NK, CD8 T, and γδ T cells in patients undergoing chemotherapy (CT) for the treatment of AML (n = 29). We showed that NK cells are the main affected population at diagnosis and that expression of activating receptors is partially restored within a few weeks after CT. CD8 T cells and γδ T cells are only weakly affected at diagnosis. Killer cell immunoglobulin-like receptor expression by NK cells, but not NKG2A and CD85j, was downregulated...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28203065/oral-drug-therapy-in-elderly-with-dysphagia-between-a-rock-and-a-hard-place
#9
REVIEW
Serena Logrippo, Giovanna Ricci, Matteo Sestili, Marco Cespi, Letizia Ferrara, Giovanni F Palmieri, Roberta Ganzetti, Giulia Bonacucina, Paolo Blasi
Demographic indicators forecast that by 2050, the elderly will account for about one-third of the global population. Geriatric patients require a large number of medicines, and in most cases, these products are administered as solid oral solid dosage forms, as they are by far the most common formulations on the market. However, this population tends to suffer difficulties with swallowing. Caregivers in hospital geriatric units routinely compound in solid oral dosage forms for dysphagic patients by crushing the tablets or opening the capsules to facilitate administration...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28198157/a-review-of-the-antiviral-properties-of-black-elder-sambucus-nigra-l-products
#10
REVIEW
Randall S Porter, Robert F Bode
Black elder (Sambucus nigra L.) has a long ethnobotanical history across many disparate cultures as a treatment for viral infection and is currently one of the most-used medicinal plants worldwide. Until recently, however, substantial scientific research concerning its antiviral properties has been lacking. Here, we evaluate the state of current scientific research concerning the use of elderberry extract and related products as antivirals, particularly in the treatment of influenza, as well as their safety and health impacts as dietary supplements...
February 15, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28178601/bone-health-among-older-adults-in-taiwan
#11
Wei-Jen Wang, Kuan-Liang Kuo, Chen-Kun Liaw, Tai-Yin Wu, Wei-Chu Chie, Jer-Min Chen
BACKGROUND AND PURPOSE: There has been much discussion about the risk factors for osteoporosis, but studies involving elderly population in Taiwan are minimal. We aimed to describe variables related to osteoporosis among community dwelling older people in Taiwan. METHODS: This is a cross-sectional study. The 671 participants were randomly selected from 3680 examinees of the annual Senior Citizens Health Examination in year 2010. Participants were interviewed with a detailed questionnaire, and 91 of them were invited for dual-energy X-ray absorptiometry (DXA)...
January 12, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28176523/glycomacropeptide-sustains-microbiota-diversity-and-promotes-specific-taxa-in-an-artificial-colon-model-of-elderly-gut-microbiota
#12
Alexandra Ntemiri, Fodhla Ni Chonchuir, Tom F O'Callaghan, Catherine Stanton, R Paul Ross, Paul W O'Toole
The potential of milk-derived glycomacropeptide (GMP) and lactose for modulating the human gut microbiota of older people, in whom loss of diversity correlates with inferior health, was investigated. We used an in vitro batch fermentation (artificial colon model) to simulate colonic fermentation processes of two GMP products, i.e. a commercially available GMP concentrate and a semi-purified GMP concentrate, and lactose. Faecal samples were collected from healthy and frail older people. Samples were analysed by Illumina Miseq sequencing of rRNA gene amplicons...
February 8, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28174512/allergic-diseases-in-the-elderly-biological-characteristics-and-main-immunological-and-non-immunological-mechanisms
#13
REVIEW
Maria Teresa Ventura, Nicola Scichilone, Roberto Paganelli, Paola Lucia Minciullo, Vincenzo Patella, Matteo Bonini, Giovanni Passalacqua, Carlo Lombardi, Livio Simioni, Erminia Ridolo, Stefano R Del Giacco, Sebastiano Gangemi, Giorgio Walter Canonica
Life expectancy and the number of elderly people are progressively increasing around the world. Together with other pathologies, allergic diseases also show an increasing incidence in geriatric age. This is partly due to the growing emphasis on a more accurate and careful diagnosis of the molecular mechanisms that do not allow to ignore the real pathogenesis of many symptoms until now unknown, and partly to the fact that the allergic people from 20 years ago represent the elderly population now. Moreover, environmental pollution predisposes to the onset of allergic asthma and dermatitis which are the result of internal pathologies more than the expression of allergic manifestations...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28173838/osteoarthritis-associated-basic-calcium-phosphate-crystals-activate-membrane-proximal-kinases-in-human-innate-immune-cells
#14
Emma M Corr, Clare C Cunningham, Laura Helbert, Geraldine M McCarthy, Aisling Dunne
BACKGROUND: Osteoarthritis (OA) is a chronic debilitating joint disorder of particularly high prevalence in the elderly population. Intra-articular basic calcium phosphate (BCP) crystals are present in the majority of OA joints and are associated with severe degeneration. They are known to activate macrophages, synovial fibroblasts, and articular chondrocytes, resulting in increased cell proliferation and the production of pro-inflammatory cytokines and matrix metalloproteases (MMPs)...
February 7, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28169866/low-grade-neuroendocrine-carcinoma-of-the-skin-primary-cutaneous-carcinoid-tumor-as-a-distinctive-entity-of-cutaneous-neuroendocrine-tumors-a-clinicopathologic-study-of-3-cases-with-literature-review
#15
Keisuke Goto, Takashi Anan, Takashi Nakatsuka, Yo Kaku, Takaki Sakurai, Takaya Fukumoto, Tetsunori Kimura, Arihiro Shibata
There is scarcity of information on primary cutaneous low-grade neoplasms commonly known as carcinoid tumors, owing to their rarity. The authors present 3 cases that were named "low-grade neuroendocrine carcinoma of the skin" (LGNECS). These occurred in the dermis and subcutis of the anterior chest or the inguinal region in the elderly. Histologically, the tumors showed infiltrating proliferation of nests of various sizes, with low-grade neuroendocrine cytologic features but without mucin production. All cases exhibited varying degrees of intraductal tumor components...
February 2, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28168666/from-dose-to-response-in-vivo-nanoparticle-processing-and-potential-toxicity
#16
Uschi M Graham, Gary Jacobs, Robert A Yokel, Burtron H Davis, Alan K Dozier, M Eileen Birch, Michael T Tseng, Günter Oberdörster, Alison Elder, Lisa DeLouise
Adverse human health impacts due to occupational and environmental exposures to manufactured nanoparticles are of concern and pose a potential threat to the continued industrial use and integration of nanomaterials into commercial products. This chapter addresses the inter-relationship between dose and response and will elucidate on how the dynamic chemical and physical transformation and breakdown of the nanoparticles at the cellular and subcellular levels can lead to the in vivo formation of new reaction products...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28168172/comparison-of-immunogenicity-and-safety-of-an-influenza-vaccine-administered-concomitantly-with-a-13-valent-pneumococcal-conjugate-vaccine-or-23-valent-polysaccharide-pneumococcal-vaccine-in-the-elderly
#17
Yu Bin Seo, Won Suk Choi, Jacob Lee, Joon Young Song, Hee Jin Cheong, Woo Joo Kim
PURPOSE: Previous studies have demonstrated the immunogenicity and safety of the co-administration of the trivalent inactivated influenza vaccine (IIV3) with the polysaccharide pneumococcal vaccine (PPV) or pneumococcal conjugate vaccine (PCV). However, there is no direct comparison study that evaluates the immunogenicity and safety of IIV3 given concomitantly with PCV13 or PPV23 in the elderly. MATERIALS AND METHODS: During the 2012-2013 influenza vaccination period, 224 healthy elderly volunteers aged 65 years and older randomly received IIV3 given concomitantly with either PCV13 (PCV13+IIV3) or PPV23 (PPV23+IIV3) in a 1:1 ratio...
January 2017: Clinical and Experimental Vaccine Research
https://www.readbyqxmd.com/read/28168012/nutrition-and-age-ing-focusing-on-alzheimer-s-disease
#18
REVIEW
Giulia Abate, Mariagrazia Marziano, Wiramon Rungratanawanich, Maurizio Memo, Daniela Uberti
Recently, the role of food and nutrition in preventing or delaying chronic disability in the elderly population has received great attention. Thanks to their ability to influence biochemical and biological processes, bioactive nutrients are considered modifiable factors capable of preserving a healthy brain status. A diet rich in vitamins and polyphenols and poor in saturated fatty acids has been recommended. In the prospective of a healthy diet, cooking methods should be also considered. In fact, cooking procedures can modify the original dietary content, contributing not only to the loss of healthy nutrients, but also to the formation of toxins, including advanced glycation end products (AGEs)...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28161338/quantification-of-food-waste-in-public-catering-services-a-case-study-from-a-swedish-municipality
#19
Mattias Eriksson, Christine Persson Osowski, Christopher Malefors, Jesper Björkman, Emelie Eriksson
Food waste is a major problem that must be reduced in order to achieve a sustainable food supply chain. Since food waste valorisation measures, like energy recovery, have limited possibilities to fully recover the resources invested in food production, there is a need to prevent food waste. Prevention is most important at the end of the value chain, where the largest number of sub-processes have already taken place and occur in vain if the food is not used for its intended purpose, i.e. consumption. Catering facilities and households are at the very end of the food supply chain, and in Sweden the public catering sector serves a large number of meals through municipal organisations, including schools, preschools and elderly care homes...
February 1, 2017: Waste Management
https://www.readbyqxmd.com/read/28157093/bace1-dynamics-upon-inhibition-with-a-bace-inhibitor-and-correlation-to-downstream-alzheimer-s-disease-markers-in-elderly-healthy-participants
#20
Maarten Timmers, Soraia Barão, Bianca Van Broeck, Ina Tesseur, John Slemmon, Katja De Waepenaert, Jennifer Bogert, Leslie M Shaw, Sebastiaan Engelborghs, Dieder Moechars, Marc Mercken, Luc Van Nueten, Luc Tritsmans, Bart de Strooper, Johannes Rolf Streffer
The β-site amyloid-β protein precursor (AβPP) cleaving enzyme-1 (BACE1) is the rate limiting enzyme in the generation of amyloid-β peptide (Aβ) from AβPP, one of the major pathways in Alzheimer's disease (AD) pathology. Increased BACE1 levels and activity have been reported in the brain of patients with sporadic AD. Therefore, changes of BACE1 levels in the cerebrospinal fluid (CSF) have also been investigated as a possible biomarker of the disease. We analyzed BACE1 levels in CSF of elderly healthy participants before and after chronic treatment with a BACE inhibitor (BACEi) and evaluated the correlation between BACE1 levels and downstream AD markers...
February 1, 2017: Journal of Alzheimer's Disease: JAD
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