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https://www.readbyqxmd.com/read/28531227/different-microrna-profiles-reveal-the-diverse-outcomes-induced-by-ev71-and-ca16-infection-in-human-umbilical-vein-endothelial-cells-using-high-throughput-sequencing
#1
Jie Song, Yajie Hu, Jiaqi Li, Huiwen Zheng, Jingjing Wang, Lei Guo, Ruotong Ning, Hongzhe Li, Zening Yang, Haitao Fan, Longding Liu
Enterovirus 71 (EV71) and Coxsackievirus A16 (CA16) remain the predominant pathogens in hand, foot, and mouth disease (HFMD), but the factors underlying the pathogenesis of EV71 and CA16 infections have not been elucidated. Recently, the functions of microRNAs (miRNAs) in pathogen-host interactions have been highlighted. In the present study, we performed comprehensive miRNA profiling in EV71- and CA16-infected human umbilical vein endothelial cells (HUVECs) at multiple time points using high-throughput sequencing...
2017: PloS One
https://www.readbyqxmd.com/read/28531183/a-scoping-review-on-bio-aerosols-in-healthcare-and-the-dental-environment
#2
Charifa Zemouri, Hans de Soet, Wim Crielaard, Alexa Laheij
BACKGROUND: Bio-aerosols originate from different sources and their potentially pathogenic nature may form a hazard to healthcare workers and patients. So far no extensive review on existing evidence regarding bio-aerosols is available. OBJECTIVES: This study aimed to review evidence on bio-aerosols in healthcare and the dental setting. The objectives were 1) What are the sources that generate bio-aerosols?; 2) What is the microbial load and composition of bio-aerosols and how were they measured?; and 3) What is the hazard posed by pathogenic micro-organisms transported via the aerosol route of transmission? METHODS: Systematic scoping review design...
2017: PloS One
https://www.readbyqxmd.com/read/28529860/use-of-chlorhexidine-preparations-in-total-joint-arthroplasty
#3
REVIEW
Jaiben George, Alison K Klika, Carlos A Higuera
Prosthetic joint infection (PJI) is a serious complication after total joint arthroplasty (TJA). Chlorhexidine is a widely used antiseptic because of its rapid and persistent action. It is well tolerated and available in different formulations at various concentrations. Chlorhexidine can be used for pre-operative skin cleansing, surgical site preparation, hand antisepsis of the surgical team and intra-articular irrigation of infected joints. The optimal intra-articular concentration of chlorhexidine gluconate in irrigation solution is 2%, to provide a persistent decrease in biofilm formation, though cytotoxicity might be an issue...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28529138/public-preventive-awareness-and-preventive-behaviors-during-a-major-influenza-epidemic-in-fukui-japan
#4
Shintoku Takahashi, Kazuhiro Sato, Yukinori Kusaka, Akihito Hagihara
BACKGROUND: As an influenza epidemic poses a serious public health threat, it is important for the public to adopt behaviors that effectively prevent influenza infection. METHODS: In the winter of 2009, by using a structured questionnaire, we conducted an Internet survey with respect to residents (n=2788) in Fukui prefecture, Japan. The main aim is to obtain information about effective prevention, factors related to preventive awareness and behaviors during the influenza epidemic...
May 18, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28528632/clafem-correlative-light-atomic-force-electron-microscopy
#5
Sébastien Janel, Elisabeth Werkmeister, Antonino Bongiovanni, Frank Lafont, Nicolas Barois
Atomic force microscopy (AFM) is becoming increasingly used in the biology field. It can give highly accurate topography and biomechanical quantitative data, such as adhesion, elasticity, and viscosity, on living samples. Nowadays, correlative light electron microscopy is a must-have tool in the biology field that combines different microscopy techniques to spatially and temporally analyze the structure and function of a single sample. Here, we describe the combination of AFM with superresolution light microscopy and electron microscopy...
2017: Methods in Cell Biology
https://www.readbyqxmd.com/read/28527817/lymphatic-filariasis-elimination-efforts-in-rufiji-south-eastern-tanzania-decline-in-circulating-filarial-antigen-prevalence-in-young-school-children-after-twelve-rounds-of-mass-drug-administration-and-utilization-of-long-lasting-insecticide-treated-nets
#6
Clarer Jones, Billy Ngasalla, Yahya A Derua, Donath Tarimo, Mwelecele N Malecela
BACKGROUND: Lymphatic filariasis (LF) is a parasitic infection transmitted by mosquito vectors and in sub Saharan Africa it is caused by nematode Wuchereria bancrofti. The disease has been targeted for global elimination by using annual mass drug administration (MDA) strategy. On the other hand, vector control is known to play important complementary role to the MDAs in reducing LF transmission. We report the findings of the effect of MDA and ITNs intervention implemented in endemic area of south-eastern Tanzania METHODS: A cross-sectional study for W...
May 17, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28527618/giving-the-tap-the-elbow-an-observational-study
#7
M Weinbren, L Bree, S Sleigh, M Griffiths
Hand washing is viewed as the most important barrier to cross infection. Incorrect use of clinical hand wash basins may lead to cross infection either from contaminated water or due to failure to decontaminate hands. Elbow operated taps used correctly prevent re-contamination of hands during operation. Observation shows many elbow operated taps are installed incorrectly with the handle flush with the back panel making it difficult to open using the elbow. AIM: To determine the effect of altering the angle of the handle of elbow operated taps on hand washing technique...
May 17, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28525941/environmental-contamination-with-staphylococcus-aureus-at-a-large-midwestern-university-campus
#8
Dipendra Thapaliya, Mohammed Taha, Mark R Dalman, Jhalka Kadariya, Tara C Smith
BACKGROUND: Staphylococcus aureus can cause minor to severe life-threatening infections. The changing epidemiology of S. aureus is of public health concern due to the emergence of multi-drug resistant (MDR) strains. Environmental surfaces play a crucial role in the transmission of S. aureus. The objective of this study was to examine environmental contamination and molecular characteristics of S. aureus in health professional-associated (HPA) and non-health professional-associated (NHPA) buildings at a large university...
May 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28525623/the-survey-of-tinea-capitis-and-scalp-dermatophyte-carriage-in-nursing-home-residents
#9
Chien-Yio Lin, Hsiu-Jung Lo, Ming-Gene Tu, Yu-Ming Ju, Yun-Chen Fan, Chih-Chao Lin, Ya-Ting Chiang, Yun-Liang Yang, Kai-Ting Chen, Pei-Lun Sun
Tinea capitis is a contagious dermatophyte infection of scalp and associated hairs. On the other hand, asymptomatic carriage is a status of positive dermatophyte scalp culture, but without signs or symptoms of tinea capitis, and no evidence of hair shaft invasion confirmed by direct microscopy. Tinea capitis and asymptomatic carriage mostly occur in children, but adult females are becoming another population in recent decades. In this study, we focused on the prevalence and related fungi of tinea capitis and asymptomatic carriage in elderly by the shampoo brush method, as well as the source of transmission, in 10 nursing home residents...
May 18, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28520886/use-of-an-anaesthesia-workstation-barrier-device-to-decrease-contamination-in-a-simulated-operating-room
#10
S Hunter, D Katz, A Goldberg, H-M Lin, R Pasricha, G Benesh, B Le Grand, S DeMaria
Background.: Strategies to achieve reductions in perioperative infections have focused on hand hygiene among anaesthestists but have been of limited efficacy. We performed a study in a simulated operating room to determine whether a barrier covering the anaesthesia workstation during induction and intubation might reduce the risk of contamination of the area and possibly, by extension, the patient. Methods.: Forty-two attending and resident anaesthetists unaware of the study design were enrolled in individual simulation sessions in which they were asked to induce and intubate a human simulator that had been prepared with fluorescent marker in its oropharynx as a marker of potentially pathogenic bacteria...
May 16, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28515904/weekly-screening-supports-terminating-nosocomial-transmissions-of-vancomycin-resistant-enterococci-on-an-oncologic-ward-a-retrospective-analysis
#11
Stefanie Kampmeier, Dennis Knaack, Annelene Kossow, Stefanie Willems, Christoph Schliemann, Wolfgang E Berdel, Frank Kipp, Alexander Mellmann
BACKGROUND: To investigate the impact of weekly screening within the bundle of infection control measures to terminate vancomycin-resistant enterococci (VRE) transmissions on an oncologic ward. METHODS: A cluster of 12 VRE colonisation and five infections was detected on an oncologic ward between January and April 2015. Subsequently, the VRE point prevalence was detected and, as part of a the bundle of infection control strategies to terminate the VRE cluster, we isolated affected patients, performed hand hygiene training among staff on ward, increased observations by infection control specialists, intensified surface disinfection, used personal protective equipment and initiated an admission screening in May 2015...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28515629/microbial-competition-in-environmental-nosocomial-reservoirs-and-diffusion-capacity-of-oxa48-klebsiella-pneumoniae-potential-impact-on-patients-and-possible-control-methods
#12
REVIEW
R Herruzo, G Ruiz, M J Vizcaino, L Rivas, V Pérez-Blanco, M Sanchez
BACKGROUND: We have found clusters of Klebsiella pneumoniae with OXA48-carbepenemase cases in some hospital rooms, and decided to investigate whether bathroom siphons could be a reservoir for OXA48 bacteria, as occurs with K. oxytoca with other types of carbepenemases. METHODS: We evaluated the microbial competition between strains with OXA48 and VIM carbepenemases, in diluted nutrient-broth, on a slime germ-carrier. We compared the number of colonies at 5 and 10 days on the contaminated carriers with one or two strains...
March 2017: Journal of Preventive Medicine and Hygiene
https://www.readbyqxmd.com/read/28515601/quality-indicators-compliance-survey-in-indian-intensive-care-units
#13
Munta Kartik, Palepu B N Gopal, Rahul Amte
CONTEXT: The quality of health care and outcomes of Intensive Care Unit (ICU) have been a major subject of discussion in the past decade. Quality indicators in ICUs maintain an order of uniformity and standard care of delivery across ICUs. AIMS: In this study, we tried to analyze the percentage compliance of quality indicators in ICU across our country. METHODS: Four hundred complete questionnaire forms were collected in two stages by means of conducting a survey and through email responses to the survey questionnaire...
April 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28512628/dysplasia-of-granulocytes-in-a-patient-with-hpv-disease-recurrent-infections-and-b-lymphopenia-a-novel-variant-of-whim-syndrome
#14
Giusella M F Moscato, Erica Giacobbi, Lucia Anemona, Silvia Di Cesare, Gigliola Di Matteo, Massimo Andreoni, Alessandro Mauriello, Viviana Moschese
WHIM syndrome is a condition in which affected persons have chronic peripheral neutropenia, lymphopenia, abnormal susceptibility to human papilloma virus infection, and myelokathexis. Myelokathexis refers to the retention of mature neutrophils in the bone marrow (BM), which accounts for degenerative changes and hypersegmentation. Most patients present heterozygous autosomal dominant mutations of the gene encoding CXCR4. Consequently, aberrant CXCL12/CXCR4 signaling impairs the receptor downregulation causing hyperactivation (gain-of-function) that affects BM homing for myelopoiesis and lymphopoiesis and the release of neutrophils in the bloodstream...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28512626/anti-restriction-protein-klcahs-promotes-dissemination-of-carbapenem-resistance
#15
Wei Liang, Yingzhou Xie, Wei Xiong, Yu Tang, Gang Li, Xiaofei Jiang, Yuan Lu
Carbapenemase-producing Klebsiella pneumoniae (KPC) has emerged and spread throughout the world. A retrospective analysis was performed on carbapenem-resistant K. pneumoniae isolated at our teaching hospital during the period 2009-2010, when the initial outbreak occurred. To determine the mechanism(s) that underlies the increased infectivity exhibited by KPC, Multilocus Sequence Typing (MLST) was conducted. A series of plasmids was also extracted, sequenced and analyzed. Concurrently, the complete sequences of blaKPC-2-harboring plasmids deposited in GenBank were summarized and aligned...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28511634/human-factors-considerations-in-designing-for-infection-prevention-and-control-in-neonatal-care-findings-from-a-pre-design-inquiry
#16
Chantal Trudel, Sue Cobb, Kathryn Momtahan, Janet Brintnell, Ann Mitchell
Qualitative data collection methods drawn from the early stages of human-centred design frameworks combined with thematic analysis were used to develop an understanding of infection prevention practice within an existing neonatal intensive care unit. Findings were used to generate a framework of understanding which in turn helped inform a baseline approach for future research and design development. The study revealed that a lack of clarity between infection transmission zones and a lack of design attributes needed to uphold infection prevention measures may be undermining healthcare workers' understanding and application of good practice...
May 17, 2017: Ergonomics
https://www.readbyqxmd.com/read/28511308/-blood-borne-occupational-exposure-and-protection-in-medical-staff-of-a-traditional-chinese-medicine-hospital
#17
Z G Zhang, Q X Wei, Z P Yang, Q M Wei, X M Wang, X L Wang
Objective: To investigate blood-borne occupational exposure and related protection in the medical staff of a traditional Chinese medicine hospital, and to provide a reference for reducing the risk of blood-borne occupational exposure. Methods: Forty-eight medical workers with blood-borne occupational exposure in 2015 were selected to analyze the incidence of blood-borne occupational exposure, influencing factors, operations that caused blood-borne occupational exposure, pathogens, and occupational protection...
March 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28511165/susceptibility-of-streptococcus-pneumoniae-to-fluoroquinolones-and-macrolides-in-upper-respiratory-tract-infections
#18
Yaroslav O Mykhalko, Tetyana V Duhovych, Pavlo P Kish
INTRODUCTION: Streptococcal species are known as the most common cause of bacterial upper respiratory tract infections (URTI). Once bacterial infection is diagnosed it demands empirical antibiotic prescription. On the other hand antimicrobial resistance is a global burden in today's medicine. For that reason, knowing of antimicrobial susceptibility patterns in population is an important background for successful treatment of bacterial caused URTI. The aim of this study was to analyze S...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28510485/metabolomic-response-to-huanglongbing-role-of-carboxylic-compounds-in-citrus-sinensis-response-to-candidatus-liberibacter-asiaticus-and-its-vector-diaphorina-citri
#19
Nabil Killiny, Yasser Nehela
Huanglongbing, a destructive disease of citrus, is caused by the fastidious bacterium, Candidatus Liberibacter asiaticus (CLas), and transmitted by Asian citrus psyllid, Diaphorina citri. The impact of CLas-infection and/or D. citri-infestation on Valencia sweet orange (Citrus sinensis) leaf metabolites was investigated using GC-MS, followed by gene expression analysis for 37 genes involved in jasmonic acid (JA), salicylic acid (SA), and proline-glutamine pathways. The total amino acid abundance increased after CLas-infection, while the total fatty acids increased dramatically after infestation with D...
May 16, 2017: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/28507544/within-epitope-interactions-can-bias-ctl-escape-estimation-in-early-hiv-infection
#20
Victor Garcia, Marcus W Feldman
As human immunodeficiency virus (HIV) begins to replicate within hosts, immune responses are elicited against it. Escape mutations in viral epitopes-immunogenic peptide parts presented on the surface of infected cells-allow HIV to partially evade these responses, and thus rapidly go to fixation. The faster they go to fixation, i.e., the higher their escape rate, the larger the selective pressure exerted by the immune system is assumed to be. This relation underpins the rationale for using escapes to assess the strength of immune responses...
2017: Frontiers in Immunology
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