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https://www.readbyqxmd.com/read/28432872/human-effector-memory-t-helper-cells-engage-with-mouse-macrophages-and-cause-graft-versus-host-like-pathology-in-skin-of-humanized-mice-used-in-a-nonclinical-immunization-study
#1
Bala S Sundarasetty, Valery Volk, Sebastian J Theobald, Susanne Rittinghausen, Dirk Schaudien, Vanessa Neuhaus, Constanca Figueiredo, Andreas Schneider, Laura Gerasch, Adele Mucci, Thomas Moritz, Constantin von Kaisenberg, Loukia M Spineli, Katherina Sewald, Armin Braun, Henning Weigt, Arnold Ganser, Renata Stripecke
Humanized mice engrafted with human hematopoietic stem cells and developing functional human T-cell adaptive responses are in critical demand to test human-specific therapeutics. We previously showed that humanized mice immunized with long-lived induced-dendritic cells loaded with the pp65 viral antigen (iDCpp65) exhibited a faster development and maturation of T cells. Herein, we evaluated these effects in a long-term (36 weeks) nonclinical model using two stem cell donors to assess efficacy and safety. Relative to baseline, iDCpp65 immunization boosted the output of effector memory CD4(+) T cells in peripheral blood and lymph nodes...
April 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28432790/single-molecule-visualization-of-fast-polymerase-turnover-in-the-bacterial-replisome
#2
Jacob S Lewis, Lisanne M Spenkelink, Slobodan Jergic, Elizabeth A Wood, Enrico Monachino, Nicholas P Horan, Karl E Duderstadt, Michael M Cox, Andrew Robinson, Nicholas E Dixon, Antoine M van Oijen
The Escherichia coli DNA replication machinery has been used as a road map to uncover design rules that enable DNA duplication with high efficiency and fidelity. Although the enzymatic activities of the replicative DNA Pol III are well understood, its dynamics within the replisome are not. Here we test the accepted view that the Pol III holoenzyme remains stably associated within the replisome. We use in vitro single-molecule assays with fluorescently labeled polymerases to demonstrate that the Pol III* complex (holoenzyme lacking the β2 sliding clamp), is rapidly exchanged during processive DNA replication...
April 22, 2017: ELife
https://www.readbyqxmd.com/read/28432547/health-related-quality-of-life-and-diabetes-self-care-activity-in-elderly-patients-with-diabetes-in-korea
#3
Hacksun Kim, Kisook Kim
A critical goal in the management of elderly patients with diabetes is to improve their health-related quality of life (HRQOL). This study aimed to identify the factors affecting HRQOL in elderly Korean patients with diabetes. Participants were 365 elderly patients with diabetes who were treated in a general hospital in Korea. The data were analysed using independent t-tests, Pearson correlations, and stepwise multiple regression. The mean total HRQOL score was 74.77, and HRQOL showed positive correlations with activities of daily living (ADL), instrumental activities of daily living (IADL), and the Summary of Diabetes Self-care Activities (SDSA)...
April 21, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28432541/genome-characteristics-of-the-proteorhodopsin-containing-marine-flavobacterium-polaribacter-dokdonensis-dsw-5
#4
Kiyoung Yoon, Ju Yeon Song, Min-Jung Kwak, Soon-Kyeong Kwon, Jihyun F Kim
Bacteria in the genus Polaribacter, belonging to the family Flavobacteriaceae, are typically isolated from marine environments. Polaribacter dokdonensis DSW-5, the type strain of the species, is a Gram-negative bacterium isolated from the East Sea of Korea. Whole genome shotgun sequencing was performed with the HiSeq 2000 platform and paired-end reads were generated at 188-fold coverage. The sequencing reads were assembled into two contigs with a total length of 3.08 Mb. The genome sequences of DSW-5 contain 2,776 proteincoding sequences and 41 RNA genes...
April 22, 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28432040/usability-acceptability-and-adherence-to-an-electronic-self-monitoring-system-in-patients-with-major-depression-discharged-from-inpatient-wards
#5
Lise Lauritsen, Louise Andersen, Emilia Olsson, Stine Rauff Søndergaard, Lasse Benn Nørregaard, Philip Kaare Løventoft, Signe Dunker Svendsen, Erik Frøkjær, Hans Mørch Jensen, Ida Hageman, Lars Vedel Kessing, Klaus Martiny
BACKGROUND: Patients suffering from depression have a high risk of relapse and readmission in the weeks following discharge from inpatient wards. Electronic self-monitoring systems that offer patient-communication features are now available to offer daily support to patients, but the usability, acceptability, and adherence to these systems has only been sparsely investigated. OBJECTIVE: We aim to test the usability, acceptability, adherence, and clinical outcome of a newly developed computer-based electronic self-assessment system (the Daybuilder system) in patients suffering from depression, in the period from discharge until commencing outpatient treatment in the Intensive Outpatient Unit for Affective Disorders...
April 21, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28431989/live-birth-miscarriage-and-abortion-among-u-s-women-with-and-without-disabilities
#6
Willi Horner-Johnson, Sheetal Kulkarni-Rajasekhara, Blair G Darney, Mekhala Dissanayake, Aaron B Caughey
BACKGROUND: Prior studies have found that women with disabilities who give birth are more likely to have preterm deliveries and low birthweight infants. However, it is not known what proportion of pregnant women with disabilities experience live birth, versus miscarriage or abortion. OBJECTIVE: To compare proportions of live birth, miscarriage, and abortion among women with basic action difficulties, women with complex activity limitations, and women without disabilities in a nationally representative sample...
April 6, 2017: Disability and Health Journal
https://www.readbyqxmd.com/read/28431853/transmission-of-methicillin-resistant-staphylococcus-aureus-to-health-care-worker-gowns-and-gloves-during-care-of-residents-in-veterans-affairs-nursing-homes
#7
Lisa Pineles, Daniel J Morgan, Alison Lydecker, J Kristie Johnson, John D Sorkin, Patricia Langenberg, Natalia Blanco, Alan Lesse, John Sellick, Kalpana Gupta, Luci Leykum, Jose Cadena, Nickie Lepcha, Mary-Claire Roghmann
BACKGROUND: This was an observational study designed to estimate the frequency of methicillin-resistant Staphylococcus aureus (MRSA) transmission to gowns and gloves worn by health care workers (HCWs) interacting with Veterans Affairs Community Living Center (VA nursing home) residents to inform MRSA prevention policies. METHODS: Participants included residents and HCWs from 7 VA nursing homes in 4 states and Washington, DC. Residents were cultured for MRSA at the anterior nares, perianal skin, and wound (if present)...
April 18, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28431574/does-where-you-live-matter-to-your-health-investigating-factors-that-influence-the-self-rated-health-of-urban-and-rural-chinese-residents-evidence-drawn-from-chinese-general-social-survey-data
#8
Hongsheng Chen, Ye Liu, Zhenjun Zhu, Zhigang Li
BACKGROUND: China's rapid urbanization over the past decades has exacerbated the problems of environmental degradation and health disparities. However, few studies have analysed the differences between urban and rural residents in relation to how environmental quality impacts health outcomes. This study examines the associations between Chinese people's perceptions of environmental quality and their self-rated health, particularly focusing on differences between rural and urban residents in environment-health relationships...
April 21, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28431501/outcomes-after-early-and-delayed-rehabilitation-for-exacerbation-of-chronic-obstructive-pulmonary-disease-a-nationwide-retrospective-cohort-study-in-japan
#9
Hiroki Matsui, Taisuke Jo, Kiyohide Fushimi, Hideo Yasunaga
BACKGROUND: The effectiveness of early pulmonary rehabilitation (PR) for exacerbation of chronic obstructive pulmonary disease (COPD) remains controversial. The present study aimed to compare the outcomes between early and delayed PR for exacerbation of COPD, using a national inpatient database. METHODS: Using the Japanese Diagnosis Procedure Combination database, we examined patients who were transported to hospital for exacerbation of COPD, received PR during hospitalisation, and were discharged to their home...
April 21, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28431396/skeletal-muscle-measures-and-physical-function-in-older-adults-with-cancer-sarcopenia-or-myopenia
#10
Grant R Williams, Allison M Deal, Hyman B Muss, Marc S Weinberg, Hanna K Sanoff, Kirsten A Nyrop, Mackenzi Pergolotti, Shlomit Strulov Shachar
BACKGROUND: Skeletal muscle loss, commonly known as sarcopenia, is highly prevalent in older adults and linked with adverse outcomes in cancer, yet the definition and role of sarcopenia remains uncertain. The aim of this study was to examine the association of Computerized Tomography (CT) assessed skeletal muscle measures with physical function in older adults with cancer. RESULTS: CTs for 185 patients were available. Median age 73 (IQR 68-76) and 56.5% female. After controlling for sex and BMI, we found no evidence that SMI was associated with physical function impairments...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28431327/dendrimer-conjugated-iron-oxide-nanoparticles-as-stimuli-responsive-drug-carriers-for-thermally-activated-chemotherapy-of-cancer
#11
Saumya Nigam, Dhirendra Bahadur
In recent years, functional nanomaterials have found an appreciable place in the understanding and treatment of cancer. This work demonstrates the fabrication and characterization of a new class of cationic, biocompatible, peptide dendrimers, which were then used for stabilizing and functionalizing magnetite nanoparticles for combinatorial therapy of cancer. The synthesized peptide dendrimers have an edge over the widely used PAMAM dendrimers due to better biocompatibility and negligible cytotoxicity of their degradation products...
April 13, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28431307/identifying-longitudinal-sustainable-hierarchies-in-activities-of-daily-living
#12
Roger Watson, Alvisa Palese, Ranieri Zuttion, Barbara Ferrario, Sandra Ponta, Mark Hayter
Activities of daily living serve as an indicator of progression in disability and rehabilitation. It is know that some of the measurement scales used show hierarchical properties indicating that activities of daily living are lost and gained in a consistent pattern. Few studies have investigated the extent to which these patterns are sustained across time and across a range of disability. The study aimed to investigate the hierarchical properties of the activity of daily living items in the ValGraf functional ability scale, to establish if there is a hierarchy of items in the scale and to study the sustainability of the hierarchy over time...
April 12, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28431195/feeding-behavior-and-activity-budget-of-the-southern-yellow-cheeked-crested-gibbons-nomascus-gabriellae-in-a-lowland-tropical-forest
#13
Thanh H Bach, Jin Chen, Minh D Hoang, Kingsly C Beng, Van T Nguyen
The southern yellow-cheeked crested gibbon (Nomascus gabriellae), an endangered species native to Vietnam and Cambodia, lives exclusively in undisturbed tropical forests and depends primarily on ripe fruit for food. Although this species is highly threatened, its ecology and conservation status remain relatively unknown. In order to understand how this heavily frugivorous primate adapts to the seasonal fluctuation of fruit resources in the forest, we collected feeding behavior and ranging activity data on one group of southern yellow-cheeked crested gibbons in Cat Tien National Park, Vietnam, over 1-year period...
April 21, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28431175/minepath-org-a-free-interactive-pathway-analysis-web-server
#14
Lefteris Koumakis, Panos Roussos, George Potamias
Minepath (www.minepath.org) is a web-based platform that elaborates on, and radically extends the identification of differentially expressed sub-paths in molecular pathways. Besides the network topology, the underlying MinePath algorithmic processes exploit exact gene-gene molecular relationships (e.g. activation, inhibition) and are able to identify differentially expressed pathway parts. Each pathway is decomposed into all its constituent sub-paths, which in turn are matched with corresponding gene expression profiles...
April 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28431006/regulation-of-oxidized-platelet-lipidome-implications-for-coronary-artery-disease
#15
Madhumita Chatterjee, Dominik Rath, Jörg Schlotterbeck, Johannes Rheinlaender, Britta Walker-Allgaier, Nada Alnaggar, Monika Zdanyte, Iris Müller, Oliver Borst, Tobias Geisler, Tilman E Schäffer, Michael Lämmerhofer, Meinrad Gawaz
Aims: Hyperlipidaemia enhances susceptibility to thrombosis, while platelet oxidixed LDL (oxLDL) binding in acute coronary syndrome (ACS) correlates with activation status. This study explores the platelet lipidome in symptomatic coronary artery disease (CAD) patients and the functional consequences of the chemokine CXCL12 and its receptors CXCR-4/-7 on lipid uptake in platelets. Methods and results: Platelet-oxLDL detected by flow cytometry was enhanced (P = 0...
April 18, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28430962/ulk1-prevents-cardiac-dysfunction-in-obesity-through-autophagy-meditated-regulation-of-lipid-metabolism
#16
Minae An, Dong-Ryeol Ryu, Jang Won Park, Ji Ha Choi, Eun-Mi Park, Kyung Eun Lee, Minna Woo, Minsuk Kim
Aims: Autophagy is essential to maintain tissue homeostasis, particularly in long-lived cells such as cardiomyocytes. Whereas many studies support the importance of autophagy in the mechanisms underlying obesity-related cardiac dysfunction, the role of autophagy in cardiac lipid metabolism remains unclear. In the heart, lipotoxicity is exacerbated by cardiac lipoprotein lipase (LPL), which mediates accumulation of fatty acids to the heart through intravascular triglyceride (TG) hydrolysis...
April 17, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28430604/signal-transducing-adaptor-protein-2-promotes-generation-of-functional-long-term-memory-cd8-t-cells-by-preventing-terminal-effector-differentiation
#17
Daisuke Muraoka, Naohiro Seo, Tae Hayashi, Chisaki Hyuga-Amaike, Kana Okamori, Isao Tawara, Naozumi Harada, Hiroshi Shiku
Long-surviving memory CD8+ T cells generated by stimulation with appropriate tumor-associated antigens are the most aggressive and persistent tumoricidal effectors. In this event of memory CD8+ T cell development, the signal transducer and activator of transcription (STAT) proteins function as the crucial intracellular signaling molecules, but the regulatory mechanism of STATs in CD8+ T cells is not fully understood. In this study, we report for the first time, by using murine vaccination models, that signal-transducing adaptor protein-2 (STAP2) maintains the cytotoxicity of long-lived memory CD8+ T cells by controlling a STAT3/suppressor of cytokine signaling 3 (SOCS3) cascade...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430370/extremely-low-frequency-electromagnetic-field-elf-emf-reduces-oxidative-stress-and-improves-functional-and-psychological-status-in-ischemic-stroke-patients
#18
Natalia Cichoń, Michał Bijak, Elżbieta Miller, Joanna Saluk
As a result of ischaemia/reperfusion, massive generation of reactive oxygen species occurs, followed by decreased activity of antioxidant enzymes. Extremely low frequency electromagnetic fields (ELF-EMF) can modulate oxidative stress, but there are no clinical antioxidant studies in brain stroke patients. The aim of our study was to investigate the effect of ELF-EMF on clinical and antioxidant status in post-stroke patients. Fifty-seven patients were divided into two groups: ELF-EMF and non-ELF-EMF. Both groups underwent the same 4-week rehabilitation program...
April 21, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/28430082/a-community-based-survey-on-syrian-refugee-women-s-health-and-its-predictors-in-%C3%A5-anliurfa-turkey
#19
Zeynep Simsek, Nebiye Yentur Doni, Nese Gül Hilali, Gokhan Yildirimkaya
Reproductive characteristics, mental health symptoms, micronutrient deficiencies, and symptoms of sexually transmitted infections (STI) were determined among married Syrian refugee women aged 15-49 years who were living outside of camps in 2015, using probability sampling. Of the 458 participants, 51.3% married before the age of 18 years. Early-age marriages and number of desired children increased after the war. In multivariable analyses, education (adjusted odds ratio [aOR] = 1.2; 95% confidence interval [CI] = 1...
April 21, 2017: Women & Health
https://www.readbyqxmd.com/read/28430017/two-nramp6-isoforms-function-as-iron-and-manganese-transporters-and-contribute-to-disease-resistance-in-rice
#20
Cristina Peris-Peris, Albert Serra-Cardona, Ferrán Sánchez-Sanuy, Sonia Campo, Joaquin Ariño, Blanca San Segundo
Metal ions are essential elements for all living organisms. However, metals can be toxic when present in excess. In plants, metal homeostasis is partly achieved through the function of metal transporters, including the diverse natural resistance-associated macrophage proteins (NRAMP). Among them, the OsNramp6 gene encodes a previously uncharacterized member of the rice NRAMP family that undergoes alternative splicing to produce different NRAMP6 proteins. In this work, we determined the metal transport activity and biological role of the full-length and the shortest NRAMP6 proteins (l-NRAMP6 and s-NRAMP6, respectively)...
April 21, 2017: Molecular Plant-microbe Interactions: MPMI
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