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https://www.readbyqxmd.com/read/28107741/building-related-symptoms-are-linked-to-the-in-vitro-toxicity-of-indoor-dust-and-airborne-microbial-propagules-in-schools-a-cross-sectional-study
#1
J T Salin, M Salkinoja-Salonen, P J Salin, K Nelo, T Holma, P Ohtonen, H Syrjälä
INTRODUCTION: Indoor microbial toxicity is suspected to cause some building-related symptoms, but supporting epidemiological data are lacking. OBJECTIVE: We examined whether the in vitro toxicity of indoor samples from school buildings was associated with work-related health symptoms (building-related symptoms, BRS). METHODS: Administrators of the Helsinki City Real Estate Department selected 15 schools for the study, and a questionnaire on symptoms connected to work was sent to the teachers in the selected schools for voluntary completion...
January 17, 2017: Environmental Research
https://www.readbyqxmd.com/read/28107669/medical-comorbidity-in-bipolar-disorder-the-link-with-metabolic-inflammatory-systems
#2
REVIEW
Ana SayuriYamagata, Elisa Brietzke, Joshua D Rosenblat, Ron Kakar, Roger S McIntyre
BACKGROUND: Bipolar disorder (BD) is associated with chronic low-grade inflammation, several medical comorbidities and a decreased life expectancy. Metabolic-inflammatory changes have been postulated as one of the main links between BD and medical comorbidity, although there are few studies exploring possible mechanisms underlying this relationship. Therefore, the aims of the current narrative review were 1) synthesize the evidence for metabolic-inflammatory changes that may facilitate the link between medical comorbidity and BD and 2) discuss therapeutic and preventive implications of these pathways...
January 4, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28107653/re-assessing-acalculia-distinguishing-spatial-and-purely-arithmetical-deficits-in-right-hemisphere-damaged-patients
#3
S Benavides-Varela, D Piva, F Burgio, L Passarini, G Rolma, F Meneghello, C Semenza
Arithmetical deficits in right-hemisphere damaged patients have been traditionally considered secondary to visuo-spatial impairments, although the exact relationship between the two deficits has rarely been assessed. The present study implemented a voxelwise lesion analysis among 30 right-hemisphere damaged patients and a controlled, matched-sample, cross-sectional analysis with 35 cognitively normal controls regressing three composite cognitive measures on standardized numerical measures. The results showed that patients and controls significantly differ in Number comprehension, Transcoding, and Written operations, particularly subtractions and multiplications...
December 26, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28107468/micro-x-ray-computed-tomography-mass-loss-assessment-of-different-uhmwpe-a-hip-joint-simulator-study-on-standard-vs-cross-linked-polyethylene
#4
Saverio Affatato, Filippo Zanini, Simone Carmignato
More than 60.000 hip arthroplasty are performed every year in Italy. Although Ultra-High-Molecular-Weight-Polyethylene remains the most used material as acetabular cup, wear of this material induces over time in vivo a foreign-body response and consequently osteolysis, pain, and the need of implant revision. Furthermore, oxidative wear of the polyethylene provoke several and severe failures. To solve these problems, highly cross-linked polyethylene and Vitamin-E-stabilized polyethylene were introduced in the last years...
2017: PloS One
https://www.readbyqxmd.com/read/28106529/a-joint-cross-border-investigation-of-a-cluster-of-multidrug-resistant-tuberculosis-in-austria-romania-and-germany-in-2014-using-classic-genotyping-and-whole-genome-sequencing-methods-lessons-learnt
#5
Lena Fiebig, Thomas A Kohl, Odette Popovici, Margarita Mühlenfeld, Alexander Indra, Daniela Homorodean, Domnica Chiotan, Elvira Richter, Sabine Rüsch-Gerdes, Beatrix Schmidgruber, Patrick Beckert, Barbara Hauer, Stefan Niemann, Franz Allerberger, Walter Haas
Molecular surveillance of multidrug-resistant tuberculosis (MDR-TB) using 24-loci MIRU-VNTR in the European Union suggests the occurrence of international transmission. In early 2014, Austria detected a molecular MDR-TB cluster of five isolates. Links to Romania and Germany prompted the three countries to investigate possible cross-border MDR-TB transmission jointly. We searched genotyping databases, genotyped additional isolates from Romania, used whole genome sequencing (WGS) to infer putative transmission links, and investigated pairwise epidemiological links and patient mobility...
January 12, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28106310/mechanism-of-type-iii-protein-secretion-regulation-of-flha-conformation-by-a-functionally-critical-charged-residue-cluster
#6
Marc Erhardt, Paige Wheatley, Eun A Kim, Takanori Hirano, Yang Zhang, Mayukh K Sarkar, Kelly T Hughes, David F Blair
The bacterial flagellum contains a specialized secretion apparatus in its base that pumps certain protein subunits through the growing structure to their sites of installation beyond the membrane. A related apparatus functions in the injectisomes of gram-negative pathogens to export virulence factors into host cells. This mode of protein export is termed type-III secretion (T3S). Details of the T3S mechanism are unclear. It is energized by the proton gradient; here, a mutational approach was used to identify proton-binding groups that might function in transport...
January 20, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28106229/the-rm-pressfit-vitamys-5-year-swiss-experience-of-the-first-100-cups
#7
Michael Wyatt, Jan Weidner, Dominik Pfluger, Martin Beck
BACKGROUND: The RM Pressfit vitamys is a titanium particle-coated monoblock cup with vitamin E stabilised highly cross-linked polyethylene. Initial fixation is achieved via press-fit with subsequent stability by bone on-growth. This is the first study to report the 5-year results of this design. METHODS: We performed a prospective cohort study according to STROBE guidelines of 100 consecutive total hip replacements (THRs) in 92 patients all with ceramic heads. Demographic data, pre/postoperative visual analogue scale (VAS) for pain and satisfaction, Harris Hip Scores (HHS) and complications were recorded...
January 20, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28105892/molecularly-imprinted-cryogel-membranes-for-mitomycin-c-delivery
#8
Pınar Öncel, Kemal Çetin, Aykut Arif Topçu, Handan Yavuz, Adil Denizli
In this study, cryogel-based implantable molecularly imprinted drug delivery systems were designed for the delivery of antineoplastic agent. Mitomycin C imprinted poly(2-hydroxyethyl methacrylate-N-methacryloyl-l-glutamic acid) cryogel membranes were produced by free-radical bulk polymerization under partially frozen conditions. The membranes were characterized by swelling tests, Fourier transform infrared spectroscopy, scanning electron microscopy, surface area measurements and in vitro hemocompatibility tests...
January 20, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28105768/supramolecular-polymer-network-mediated-self-assembly-of-semicrystalline-polymers-with-excellent-crystalline-performance
#9
Chih-Chia Cheng, Wei-Tsung Chuang, Duu-Jong Lee, Zhong Xin, Chih-Wei Chiu
A novel application of supramolecular interactions within semicrystalline polymers, capable of self-assembling into supramolecular polymer networks via self-complementary multiple hydrogen-bonded complexes, is demonstrated for efficient construction of highly controlled self-organizing hierarchical structures to offer a direct, efficient nucleation pathway resulting in superior crystallization performance. Herein, a novel functionalized poly(ε-caprolactone) containing self-complementary sextuple hydrogen-bonded uracil-diamidopyridine (U-DPy) moieties is successfully developed and demonstrated excellent thermal and viscoelastic properties as well as high dynamic structural stability in the bulk state due to physical cross-linking created by reversible sextuple hydrogen bonding between U-DPy units...
January 20, 2017: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/28105670/the-role-of-shame-in-people-with-a-diagnosis-of-schizophrenia
#10
Nadine Keen, Darren George, Peter Scragg, Emmanuelle Peters
OBJECTIVES: To examine the role of shame and its relationship to depression in schizophrenia. It was predicted that individuals with a diagnosis of schizophrenia would exhibit higher levels of shame due to the stigma associated with their diagnosis, independently of depression levels, compared with psychiatric and medical control groups. DESIGN: Cross-sectional design with three groups: individuals with a diagnosis of (1) schizophrenia, (2) depression, and (3) rheumatoid arthritis...
January 19, 2017: British Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28105578/america-s-churning-races-race-and-ethnicity-response-changes-between-census-2000-and-the-2010-census
#11
Carolyn A Liebler, Sonya R Porter, Leticia E Fernandez, James M Noon, Sharon R Ennis
A person's racial or ethnic self-identification can change over time and across contexts, which is a component of population change not usually considered in studies that use race and ethnicity as variables. To facilitate incorporation of this aspect of population change, we show patterns and directions of individual-level race and Hispanic response change throughout the United States and among all federally recognized race/ethnic groups. We use internal U.S. Census Bureau data from the 2000 and 2010 censuses in which responses have been linked at the individual level (N = 162 million)...
January 19, 2017: Demography
https://www.readbyqxmd.com/read/28105512/global-dna-hypomethylation-has-no-impact-on-lung-function-or-serum-inflammatory-and-fibrosis-cytokines-in-asbestos-exposed-population
#12
Min Yu, Jianlin Lou, Hailing Xia, Min Zhang, Yixiao Zhang, Junqiang Chen, Xing Zhang, Shibo Ying, Lijin Zhu, Lihong Liu, Guang Jia
PURPOSE: To examine the effect of asbestos exposure on global DNA methylation and determine whether lung function and inflammatory and fibrosis biomarkers are correlated with the methylation state. METHODS: A total of 26 healthy subjects without asbestos exposure (Group 1), 47 healthy subjects with exposure (Group 2), and 52 subjects with benign asbestos-related disorders (ARDs) (Group 3) participated in this cross-sectional study. Blood global 5-methylcytosine (5mC) and serum TNF-α, collagen IV, CCL5 and CC16 concentrations were analyzed using enzyme-linked immunosorbent assay-like assays...
January 19, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28105116/computer-assisted-quantitative-evaluation-of-bisphosphonate-treatment-for-paget-s-disease-of-bone-using-the-bone-scan-index
#13
Satoshi Nagano, Shunsuke Nakamura, Hirofumi Shimada, Masahiro Yokouchi, Takao Setoguchi, Yasuhiro Ishidou, Hiromi Sasaki, Setsuro Komiya
The purpose of the present study was to analyze the effect of treatment of Paget's disease of bone (PDB) with bone scintigraphy using a computer-assisted diagnosis system (BONENAVI) that quantitatively evaluates bone metabolism. Seven patients with PDB (three male, four female; average age, 60 years; age range, 33-80 years) underwent bone scintigraphy and measurement of serum alkaline phosphatase (ALP), bone-specific ALP (BAP), serum cross-linked N-telopeptide (NTx) of type I collagen, urinary NTx, and deoxypyridinoline (DPD) before and after bisphosphonate treatment...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28105081/cross-feeding-of-glucose-metabolism-byproducts-of-escherichia-coli-human-gut-isolates-and-probiotic-strains-affect-survival-of-vibrio-cholerae
#14
Chirantana Sengupta, Manjula Ekka, Saurabh Arora, Prashant D Dhaware, Rukhsana Chowdhury, Saumya Raychaudhuri
Vibrio cholerae converts glucose into either acid or the neutral end product acetoin and its survival in carbohydrate enriched media is linked to the nature of the byproducts produced. It has been demonstrated in this study that Escherichia coli strain isolated from the gut of healthy human volunteers and the commonly used probiotic E. coli Nissle strain that metabolize glucose to acidic byproducts drastically reduce the survival of V. cholerae strains irrespective of their glucose sensitivity and acetoin production status...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28104997/poverty-related-diseases-prds-unravelling-complexities-in-disease-responses-in-cameroon
#15
Valerie Makoge, Harro Maat, Lenneke Vaandrager, Maria Koelen
BACKGROUND: In Cameroon, poverty-related diseases (PRDs) are a major public health concern. Research and policies addressing PRDs are based on a particular understanding of the interaction between poverty and disease, usually an association between poverty indicators and health indicators for a specific country or region. Such indicators are useful but fail to explain the nature of the linkages between poverty and disease or poverty and health. This paper presents results of a study among university students, unravelling how they perceive diseases, the linkages with poverty, their responses to diseases and the motivations behind reported responses...
2017: Tropical Medicine and Health
https://www.readbyqxmd.com/read/28104921/effects-of-gold-nanoparticles-on-lipid-packing-and-membrane-pore-formation
#16
Anupama Bhat, Lance W Edwards, Xiao Fu, Dillon L Badman, Samuel Huo, Albert J Jin, Qi Lu
Gold nanoparticles (AuNPs) have been increasingly integrated in biological systems, making it imperative to understand their interactions with cell membranes, the first barriers to be crossed to enter cells. Herein, liposomes composed of 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC) as a model membrane system were treated with citrate stabilized AuNPs from 5 to 30 nm at various concentrations. The fluorescence shifts of Laurdan probes reveal that AuNPs in general made liposomes more fluidic. The increased fluidity is expected to result in an increased surface area, and thus liposome shape changes from circular to less circular, which was further confirmed with fluorescence microscopy...
December 26, 2016: Applied Physics Letters
https://www.readbyqxmd.com/read/28104787/binding-characteristics-of-galectin-3-fusion-proteins
#17
Sophia Böcker, Lothar Elling
Galectin-3 modulates cell adhesion and signaling events by specific binding and cross-linking galactoside containing carbohydrate ligands. Proteolytic cleavage by metalloproteinases yields in vivo N-terminally truncated galectin-3 still bearing the carbohydrate recognition domain. Truncated galectin-3 has been demonstrated to act in vivo as a negative inhibitor of galectin-3 due to higher affinity for carbohydrate ligands. We here present our studies on a series of twelve human galectin-3 protein constructs...
January 19, 2017: Glycobiology
https://www.readbyqxmd.com/read/28104468/composite-material-consisting-of-microporous-%C3%AE-tcp-ceramic-and-alginate-for-delayed-release-of-antibiotics
#18
Michael Seidenstuecker, Juergen Ruehe, Norbert P Suedkamp, Annerose Serr, Annette Wittmer, Marc Bohner, Anke Bernstein, Hermann O Mayr
OBJECTIVE: The aim of this study was to produce a novel composite of microporous β-TCP filled with alginate and Vancomycin (VAN) to prolong the release behavior of the antibiotic for up to 28 days. MATERIAL AND METHODS: Using the flow chamber developed by the group, porous ceramics in a directional flow were filled with alginates of different composition containing 50 mg/mL of antibiotics. After cross-linking the alginate with calcium ions, incubation took place in 10 mL double-distilled water for 4 weeks at 37 °C...
January 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28104386/haemagglutinin-and-neuraminidase-sequencing-when-compared-to-whole-genome-sequencing-proved-sufficient-to-delineate-two-distinct-clusters-of-influenza-a-h1n1-pdm09-in-a-suspected-cross-site-renal-unit-influenza-outbreak
#19
Rebecca Houghton, Joanna Ellis, Monica Galiano, Tristan W Clark, Sarah Wyllie
OBJECTIVES: We describe haemagglutinin (HA) and neuraminidase (NA) sequencing in an apparent cross-site influenza A(H1N1) outbreak in renal transplant and haemodialysis patients, confirmed with whole genome sequencing (WGS). METHODS: Isolates were sequenced from influenza positive individuals. Phylogenetic trees were constructed using HA and NA sequencing and subsequently WGS. Sequence data was analysed to determine genetic relatedness of viruses obtained from inpatient and outpatient cohorts and compared with epidemiological outbreak information...
January 16, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28103949/activation-of-human-b-cells-negatively-regulates-tgf-%C3%AE-1-production
#20
Nicolas Molnarfi, Kristbjörg Bjarnadóttir, Mahdia Benkhoucha, Catherine Juillard, Patrice H Lalive
BACKGROUND: Accumulating evidence indicate that B cells can exhibit pro- or anti-inflammatory activities. Similar to interleukin (IL)-10-competent B cells, we recently showed that transforming growth factor (TGF)-β1-producing regulatory B cells limit the induction of autoimmune neuroinflammation in mice, making them potentially important in maintaining peripheral immune tolerance in central nervous system inflammatory demyelinating disorders such as multiple sclerosis. METHODS: In this study, we compared B cell production of TGF-β1 and IL-10, the two most studied regulatory cytokines, and the pro-inflammatory B cell-derived IL-6 and tumor necrosis factor cytokines under basal conditions and following polyclonal stimulation with dual B cell receptor (BCR) cross-linking and Toll-like receptor (TLR)9 engagement...
January 19, 2017: Journal of Neuroinflammation
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