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https://www.readbyqxmd.com/read/27911110/mannose-binding-lectin-deficiency-in-brazilian-patients-with-spondyloarthritis
#1
Thelma L Skare, Renato Nisihara, Juliana Z Cieslinski, João O Zeni, Henrique N Rasera, Iara Messias-Reason, Shirley R R Utiyama
BACKGROUND: Infections are usually involved in the pathogenesis of spondyloarthritis (SpA). Mannose-binding lectin (MBL) is a component of the innate immune system with an important role in microbial defense. OBJECTIVE: To study the prevalence of MBL deficiency in SpA patients as well as its influence in the clinical profile of these diseases. METHODS: We studied 89 SpA patients and 89 healthy individuals, paired for age and gender. MBL serum levels were measured by ELISA test...
December 2, 2016: Immunological Investigations
https://www.readbyqxmd.com/read/27910159/staphylococcus-aureus-derived-membrane-vesicles-exacerbate-skin-inflammation-in-atopic-dermatitis
#2
S H Jun, J H Lee, S I Kim, C W Choi, T I Park, H R Jung, J W Cho, S H Kim, J C Lee
BACKGROUND: Skin colonization or infection with Staphylococcus aureus is known to trigger aggravation of atopic dermatitis (AD). However, the exact mechanisms by which S. aureus can worsen AD are unknown. OBJECTIVE: We investigated whether and how S. aureus-derived membrane vesicles (MVs) contribute to worsening of AD. METHODS: Immunohistochemical and immunoelectron microscopic analyses were performed to detect staphylococcal protein A (SPA) in the epidermis of AD lesions...
November 5, 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27908664/preference-for-western-diet-coadapts-in-high-runner-mice-and-affects-voluntary-exercise-and-spontaneous-physical-activity-in-a-genotype-dependent-manner
#3
Wendy Acosta, Thomas H Meek, Heidi Schutz, Elizabeth M Dlugosz, Theodore Garland
Do animals evolve (coadapt) to choose diets that positively affect their performance abilities? We addressed this question from a microevolutionary perspective by examining preference for Western diet (WD: high in fat and sugar, but lower in protein) versus standard rodent chow in adults of both sexes from 4 lines of mice selectively bred for high levels of voluntary wheel running (High Runner or HR lines) and 4 non-selected control (C) lines. We also assessed whether food preference or substitution affects physical activity (wheel running and/or spontaneous physical activity [SPA] in the attached home cages)...
November 28, 2016: Behavioural Processes
https://www.readbyqxmd.com/read/27902879/imprint-cytologic-and-immunocytochemical-findings-of-sclerosing-pneumocytoma
#4
Naoto Kuroda, Masahiko Ohara, Keiko Mizuno, Kenji Yorita
To the best of our knowledge, there is no description on immunocytochemical study of sclerosing pneumocytoma (SP) using a cell transfer method. In this article, we report imprint cytological and immunocytochemical findings of SP. Three cases of SP possessing both imprint cytological and histological materials were examined. All tumors showed well-defined margin grossly. On microscopic examination, the tumor consisted of surface and stromal round cells. Cytologically, surface and stromal round cells showed fragments or clusters of papillary configuration with low N/C ratio and cell clusters of small to medium-sized cells with high N/C ration...
November 30, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27902784/dynamic-in-vivo-mutations-within-the-ica-operon-during-persistence-of-staphylococcus-aureus-in-the-airways-of-cystic-fibrosis-patients
#5
Bianca Schwartbeck, Johannes Birtel, Janina Treffon, Lars Langhanki, Alexander Mellmann, Devika Kale, Janina Kahl, Nina Hirschhausen, Claudia Neumann, Jean C Lee, Friedrich Götz, Holger Rohde, Hanae Henke, Peter Küster, Georg Peters, Barbara C Kahl
Cystic fibrosis (CF) is associated with chronic bacterial airway infections leading to lung insufficiency and decreased life expectancy. Staphylococcus aureus is one of the most prevalent pathogens isolated from the airways of CF patients. Mucoid colony morphology has been described for Pseudomonas aeruginosa, the most common pathogen in CF, but not for S. aureus. From the airways of 8 of 313 CF patients (2.5%) mucoid S. aureus isolates (n = 115) were cultured with a mean persistence of 29 months (range 1 month, 126 months)...
November 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27902406/mlvf-as-a-method-for-rapid-and-cost-effective-typing-of-animal-associated-staphylococcus-aureus-strains-from-lineages-other-than-st398
#6
Maja Kosecka-Strojek, Weronika M Ilczyszyn, Aneta Buda, Klaudia Polakowska, Krzysztof Murzyn, Tomasz Panz, Anna Bialecka, Andrzej Kasprowicz, Antoni Jakubczak, Jaroslaw Krol, Alina Wieliczko, Benedykt Wladyka, Jacek Miedzobrodzki
In veterinary medicine, Staphylococcus aureus is associated with a range of mild to severe infections. The high density of livestock in intensive farming systems increases the risk of disease spread and hampers its control and measures of prevention, making S. aureus one of the most important animal pathogens. Multiple-locus VNTR fingerprinting (MLVF) has been successfully applied to the characterization of livestock-associated methicillin-resistant Staphylococcus aureus (MRSA) ST398 but not to the characterization of a wide range of other animal isolates...
October 25, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27899074/antibiotic-resistance-and-clonal-diversity-of-invasive-staphylococcus-aureus-in-the-rural-ashanti-region-ghana
#7
Denise Dekker, Manuel Wolters, Eva Mertens, Kennedy Gyau Boahen, Ralf Krumkamp, Daniel Eibach, Norbert G Schwarz, Yaw Adu-Sarkodie, Holger Rohde, Martin Christner, Florian Marks, Nimako Sarpong, Jürgen May
BACKGROUND: Staphylococcus aureus is among the most common pathogens isolated from blood cultures in Ghana; yet the epidemiology of blood infections in rural settings is poorly described. This study aims to investigate antimicrobial susceptibility and clonal diversity of S. aureus causing bloodstream infections in two hospitals in the Ashanti Region, Ghana. METHODS: Blood cultures were performed for all febrile patients (≥37.5 °C) on hospital admission. Antibiotic susceptibility testing for S...
November 29, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27895635/molecular-characteristic-and-virulence-gene-profiles-of-community-associated-methicillin-resistant-staphylococcus-aureus-isolates-from-pediatric-patients-in-shanghai-china
#8
Xing Wang, Xia Li, Wei Liu, Weichun Huang, Qihua Fu, Min Li
Staphylococcus aureus is a globally important human pathogen, especially among children and immunocompromised patients. The emergence and spread of community-associated methicillin-resistant S. aureus (CA-MRSA) has become a serious public health problem worldwide. The aim of this study was to investigate the prevalence, molecular characteristics and virulence profiles of CA-MRSA infections from pediatric patients in a university hospital in Shanghai, China. A total of 80 CA-MRSA isolates were collected from July 2012 to December 2013 in Shanghai Children's Medical Center and analyzed by multilocus sequence typing, staphylococcus chromosomal cassette mec (SCCmec) typing, and spa typing...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27894267/prevalence-of-colonization-by-methicillin-resistant-staphylococcus-aureus-st398-in-pigs-and-pig-farm-workers-in-an-area-of-catalonia-spain
#9
Esteban Reynaga, Marian Navarro, Anna Vilamala, Pere Roure, Manuel Quintana, Marian Garcia-Nuñez, Raül Figueras, Carmen Torres, Gianni Lucchetti, Miquel Sabrià
BACKGROUND: A livestock-associated clonal lineage (ST398) of methicillin-resistant Staphylococcus aureus (MRSA) has been identified causing colonization or infection in farm workers. The aim of the study was to analyze the prevalence of MRSA-ST398 colonization in pigs and in pig farmers in an area with a high pig population (Osona, Barcelona province, Catalonia, Spain). METHODS: We performed a cross-sectional prevalence study in Osona (Catalonia, Spain), from June 2014 to June 2015...
November 28, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27894157/relationship-between-serum-infliximab-concentrations-and-risk-of-infections-in-patients-treated-for-spondyloarthritis
#10
Theodora Bejan-Angoulvant, David Ternant, Fadela Daoued, Frédéric Medina, Louis Bernard, Saloua Mammou, Gilles Paintaud, Denis Mulleman
OBJECTIVE: Tumor necrosis factor inhibitors are effective in reducing inflammation in rheumatic diseases but increase the risk of infections. This study was undertaken to investigate the relationship between the trough serum concentration of infliximab (IFX) and the risk of a first infection episode. METHODS: We retrospectively included all patients who started IFX treatment for an approved indication in our department. Patients were followed up based on recommended IFX infusion schedules...
November 28, 2016: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/27889161/mrsa-and-multidrug-resistant-staphylococcus-aureus-in-u-s-retail-meats-2010-2011
#11
Beilei Ge, Sampa Mukherjee, Chih-Hao Hsu, Johnnie A Davis, Thu Thuy T Tran, Qianru Yang, Jason W Abbott, Sherry L Ayers, Shenia R Young, Emily T Crarey, Niketta A Womack, Shaohua Zhao, Patrick F McDermott
Methicillin-resistant Staphylococcus aureus (MRSA) has been detected in retail meats, although large-scale studies are scarce. We conducted a one-year survey in 2010-2011 within the framework of the National Antimicrobial Resistance Monitoring System. Among 3520 retail meats collected from eight U.S. states, 982 (27.9%) contained S. aureus and 66 (1.9%) were positive for MRSA. Approximately 10.4% (107/1032) of S. aureus isolates, including 37.2% (29/78) of MRSA, were multidrug-resistant (MDRSA). Turkey had the highest MRSA prevalence (3...
April 2017: Food Microbiology
https://www.readbyqxmd.com/read/27889140/genotyping-of-methicillin-resistant-staphylococcus-aureus-mrsa-isolated-from-milk-and-dairy-products-in-south-italy
#12
M G Basanisi, G La Bella, G Nobili, I Franconieri, G La Salandra
Methicillin-resistant Staphylococcus aureus (MRSA) is a pathogen emerging in hospitals as well as community and livestock. MRSA is a significant and costly public health concern because it may enter the human food chain and contaminate milk and dairy products causing foodborne illness. This study aimed to determine the occurrence and the characteristics of MRSA isolated from 3760 samples of milk and dairy products in a previous survey conducted in southern Italy during 2008-2014. Overall out of 484 S. aureus strains isolated, 40 (8...
April 2017: Food Microbiology
https://www.readbyqxmd.com/read/27888671/sclerosing-polycystic-adenosis-of-the-parotid-gland-a-systematic-review-and-report-of-2-new-cases
#13
Carlos A Espinosa, Laura Rua, Héctor E Torres, Álvaro Fernández Del Valle, Rui P Fernandes, Juan C Devicente
PURPOSE: We sought to evaluate clinical-epidemiologic aspects, pathologic characteristics, and treatment of sclerosing polycystic adenosis (SPA) of the parotid gland and to report 2 new cases. MATERIALS AND METHODS: We conducted a systematic review following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines for studies published in or before June 2016. The inclusion criteria were as follows: final diagnosis of SPA affecting the parotid gland and articles published in Spanish or English...
November 2, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27882408/-evidence-based-recommendations-on-diagnostics-and-therapy-of-axial-spondyloarthritis-s3-guidelines-of-the-german-society-of-rheumatology-dgrh-in-cooperation-with-the-association-of-the-scientific-medical-societies-in-germany-awmf
#14
REVIEW
U Kiltz, M Rudwaleit, J Sieper, J Braun
The clinical course of axial spondyloarthritis (SpA) is variable and characterized by chronic back pain and extraspinal manifestations, such as asymmetrical arthritis, dactylitis and enthesitis. Extra-articular manifestations in the eyes (anterior uveitis), skin (psoriasis) and intestines (chronic inflammatory bowel disease) are also frequent manifestations in patients with SpA. Due to the heterogeneity of disease manifestations and the partial concentration on structural alterations in the sacroiliac joints visible in X‑ray images, the diagnosis is often delayed for many years...
November 23, 2016: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/27881973/livestock-associated-methicillin-resistant-staphylococcus-aureus-la-mrsa-clonal-complex-cc-398-isolated-from-uk-animals-belong-to-european-lineages
#15
Meenaxi Sharma, Javier Nunez-Garcia, Angela M Kearns, Michel Doumith, Patrick R Butaye, M Angeles Argudín, Angela Lahuerta-Marin, Bruno Pichon, Manal AbuOun, Jon Rogers, Richard J Ellis, Christopher Teale, Muna F Anjum
In recent years, there has been an increase in the number of livestock-associated methicillin resistant Staphylococcus aureus (LA-MRSA) clonal complex (CC) 398 recovered from S. aureus isolated animals in the UK. To determine possible origins of 12 LA-MRSA CC398 isolates collected after screening more than a thousand S. aureus animal isolates from the UK between 2013 and 2015, whole genome sequences (WGS) of CC398 European, including UK, and non-European isolates from diverse animal hosts were compared. Phylogenetic reconstruction applied to WGS data to assess genetic relatedness of all 89 isolates, clustered the 12 UK CC398 LA-MRSA within the European sub-lineages, although on different nodes; implicating multiple independent incursions into the UK, as opposed to a single introduction followed by clonal expansion...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27881910/low-dose-modified-release-prednisone-in-axial-spondyloarthritis-3-month-efficacy-and-tolerability
#16
Francesca Bandinelli, Francesco Scazzariello, Emanuela Pimenta da Fonseca, Mittermayer Barreto Santiago, Claudio Marcassa, Francesca Nacci, Marco Matucci Cerinic
BACKGROUND: Oral glucocorticoids (GCs) have been shown to be effective in reducing the inflammatory symptoms of rheumatoid arthritis, but their use is not supported by evidence in spondyloarthritis (SpA). Modified-release (MR) oral prednisone taken at bedtime has been shown to be more effective than immediate-release prednisone taken in the morning. The efficacy of low-dose MR prednisolone in patients with SpA is unknown. PATIENTS AND METHODS: This single-center cohort study retrospectively assessed the effectiveness and safety of 12-week low-dose MR prednisone (5 mg daily, bedtime administration) in GC-naïve adult patients with symptomatic axial SpA...
2016: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/27879007/drotaverine-a-concealed-cytostatic
#17
Ioana Z Pavel, Lucie Heller, Sven Sommerwerk, Anne Loesche, Ahmed Al-Harrasi, René Csuk
Drotaverine (also known as dihydroperparine or No-Spa(®) ) is an antispasmodic drug closely related to papaverin. Drotaverin also acts as a cytostatic compound for several human tumor cell lines and nonmalignant mouse fibroblasts, and EC50 values as low as 3.0 μM were observed in SRB assays for HT-29 human colorectal carcinoma cells. Small structural changes (e.g., aromatization, benzylic oxidation) led to a reduced activity or a complete loss of cytotoxicity. Staining of the cells with acridine orange showed the cell membrane of the dead cells to be still intact, and a slight G1/G0 arrest in the treated cells was observed after 24 h...
November 23, 2016: Archiv der Pharmazie
https://www.readbyqxmd.com/read/27876582/subperitoneal-approach-in-revision-arthroplasty-for-acetabular-component-protrusion-analysis-of-practiceswithin-the-french-hip-and-knee-society-sfhg
#18
F Gouin, V Crenn, J Tabutin
INTRODUCTION: The complications related to revision for acetabular component protrusion with material migrating into the intrapelvic region remain rare but potentially serious. Today, the literature reports no epidemiological data on the subperitoneal approach (SPA) in revision total hip arthroplasty (RTHA) for protrusion. Therefore we conducted a retrospective study on a large revision arthroplasty database to answer the following questions: 1) What is the frequency of this approach in this population? 2) What are the factors related to this procedure? 3) Is morbidity and mortality of the SPA higher than for an isolated conventional approach? HYPOTHESIS: Major protrusions with material in the superomedial quadrant (SMQ)have a higher probability of being operated using a SPA...
November 19, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27876219/optimizing-the-outcome-of-transnasal-endoscopic-sphenopalatine-artery-ligation-in-managing-refractory-posterior-epistaxis-a-case-control-analysis
#19
Mainak Dutta, Dibakar Haldar
OBJECTIVE: To optimize the outcome of transnasal endoscopic sphenopalatine artery ligation (TESPAL) by determining the key surgical steps and applying them accordingly. METHODS: This is a case-control study carried out in a tertiary care teaching institution on subjects who underwent TESPAL during the period of October 2010 to September 2015. Their surgical and clinical records were reviewed, and success (no re-bleed) and failure (return with re-bleed) were considered the main outcome measures of TESPAL...
November 18, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27871485/unusual-processing-generates-spa-lncrnas-that-sequester-multiple-rna-binding-proteins
#20
Huang Wu, Qing-Fei Yin, Zheng Luo, Run-Wen Yao, Chuan-Chuan Zheng, Jun Zhang, Jian-Feng Xiang, Li Yang, Ling-Ling Chen
We identify a type of polycistronic transcript-derived long noncoding RNAs (lncRNAs) that are 5' small nucleolar RNA (snoRNA) capped and 3' polyadenylated (SPAs). SPA processing is associated with nascent mRNA 3' processing and kinetic competition between XRN2 trimming and Pol II elongation. Following cleavage/polyadenylation of its upstream gene, the downstream uncapped pre-SPA is trimmed by XRN2 until this exonuclease reaches the co-transcriptionally assembled snoRNP. This snoRNP complex prevents further degradation, generates a snoRNA 5' end, and allows continuous Pol II elongation...
November 3, 2016: Molecular Cell
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