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https://www.readbyqxmd.com/read/28314156/an-explant-of-heifer-mammary-gland-to-study-the-immune-response-of-the-organ
#1
Giada Magro, Tiziana A L Brevini, Marcella De Maglie, Giulietta Minozzi, Eugenio Scanziani, Renata Piccinini
Continuous or primary epithelial cell lines have been extensively used to study the mammary gland immune response, but they are constituted by a single cell population. Our aim was to test whether an explant of heifer gland, where the tissue structure is maintained, might be a valid model to investigate the innate immune response to infection. The study was carried out on 2mm(3)-sections of heifer udders, in 2 consecutive trials, using LPS or LTA in the first trial and two different concentrations of Staphylococcus aureus (Staph...
March 6, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28274250/prosthetic-joint-infection-development-of-an-evidence-based-diagnostic-algorithm
#2
Heinrich M L Mühlhofer, Florian Pohlig, Karl-Georg Kanz, Ulrich Lenze, Florian Lenze, Andreas Toepfer, Sarah Kelch, Norbert Harrasser, Rüdiger von Eisenhart-Rothe, Johannes Schauwecker
BACKGROUND: Increasing rates of prosthetic joint infection (PJI) have presented challenges for general practitioners, orthopedic surgeons and the health care system in the recent years. The diagnosis of PJI is complex; multiple diagnostic tools are used in the attempt to correctly diagnose PJI. Evidence-based algorithms can help to identify PJI using standardized diagnostic steps. METHODS: We reviewed relevant publications between 1990 and 2015 using a systematic literature search in MEDLINE and PUBMED...
March 9, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28244481/epidemiology-and-resistance-pattern-of-bacterial-isolates-among-cancer-patients-in-a-tertiary-care-oncology-centre-in-north-india
#3
U Batra, P Goyal, P Jain, A Upadhyay, N Sachdeva, M Agarwal, D Bhurani, V Talwar, S K Gupta, D C Doval
OBJECTIVES: To examine the epidemiology of microbiologically documented bacterial infection and the resistance pattern, among cancer patients undergoing treatment at RGCIRC, Delhi. DESIGN AND SETTING: Retrospective observational study in which culture reports obtained over 1 year in 2013, were analyzed. RESULTS: 13329 cultures were obtained over 1 year in 2013 and were analyzed. 23.6 % samples showed positive culture with majority being gram negative isolates (67...
July 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28237588/evaluating-a-commercial-pcr-assay-against-bacterial-culture-for-diagnosing-streptococcus-uberis-and-staphylococcus-aureus-throughout-lactation
#4
N M Steele, J H Williamson, R Thresher, R A Laven, J E Hillerton
The performance of a commercial, real-time PCR assay was compared with traditional bacterial culture for the identification of Streptococcus uberis and Staphylococcus aureus in bovine milk collected at different stages of lactation. Initial validation tests using fresh and frozen quarter milk samples identified factors that affected the success of the PCR. Therefore, the standard protocol was adjusted for samples collected at the first milking postpartum (colostrum) and from clinical mastitis cases. The adjustment involved PCR testing both undiluted and diluted (1 in 10 with sterile water) DNA extracts...
February 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28122871/multicenter-evaluation-of-the-portrait-staph-id-r-blood-culture-panel-for-the-rapid-identification-of-staphylococci-and-detection-of-meca-gene
#5
Gerald A Denys, Vanessa Collazo-Velez, Stephen Young, Judy A Daly, Marc Roger Couturier, Matthew L Faron, Blake W Buchan, Nathan Ledeboer
Blood stream infections are a leading cause of morbidity and mortality in the United States and are associated with increased healthcare cost. We evaluated the Portrait Staph ID/R Blood Culture Panel (BCP) multiplex PCR assay (Great Basin Scientific, Salt Lake City, UT) for the rapid and simultaneous identification (ID) of Staphylococcus aureus, S. lugdunensis and Staphylococcus species to the genus level and the detection of mecA gene directly from a positive blood culture bottle. A total of 765 BACTEC® bottles demonstrating Gram positive cocci in singles or clusters were tested during the prospective trial at 3 clinical sites...
January 25, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28103794/genomic-and-transcriptomic-comparison-between-staphylococcus-aureus-strains-associated-with-high-and-low-within-herd-prevalence-of-intra-mammary-infection
#6
E Capra, P Cremonesi, A Pietrelli, S Puccio, M Luini, A Stella, B Castiglioni
BACKGROUND: Staphylococcus aureus (Staph. aureus) is one of the major pathogens causing mastitis in dairy ruminants worldwide. The chronic nature of Staph. aureus infection enhances the contagiousness risk and diffusion in herds. In order to identify the factors involved in intra-mammary infection (IMI) and diffusion in dairy cows, we investigated the molecular characteristics of two groups of Staph. aureus strains belonging to ST8 and ST398, differing in clinical properties, through comparison of whole genome and whole transcriptome sequencing...
January 19, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28102479/peripherally-inserted-central-catheter-related-bloodstream-infection-caused-by-kocuria-marina-in-an-elderly-man
#7
Nobuaki Mori, Yuichi Nishihara, Hideki Tayama, Akiko Higuchi, Yasuko Aoki
BACKGROUND: Kocuria species are Gram-positive, aerobic cocci, and members of the Micrcoccaceae family that are known to be opportunistic pathogens. Although there have been sporadic reports of infections caused by Kocuria species, little is known regarding their human pathogenicity and clinical characteristics. CASE REPORT: We herein report a case of a peripherally inserted central catheter (PICC)-related bloodstream infection caused by Kocuria marina in a 90-year-old Japanese with multiple cancer...
January 19, 2017: Infection
https://www.readbyqxmd.com/read/28050502/antibacterial-effect-of-aloe-vera-gel-against-oral-pathogens-an-in-vitro-study
#8
Supreet Jain, Nirav Rathod, Ravleen Nagi, Jaideep Sur, Afshan Laheji, Naveen Gupta, Priyanka Agrawal, Swati Prasad
INTRODUCTION: Natural herbal remedies have shown promising anti-microbial property and fewer side effects compared to synthetic anti-microbial therapy. Aloe Vera is a medicinal plant used for management of various infections since ancient times as it has anti-inflammatory, anti-microbial, and immune-boosting properties. AIM: The aim of the present study was to determine the anti-microbial and inhibitory activities of various concentration of Aloe Vera Gel (AVG) against oral pathogenic bacteria...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27901071/staphylococcus-aureus-dependent-septic-arthritis-in-murine-knee-joints-local-immune-response-and-beneficial-effects-of-vaccination
#9
Alessia Corrado, Paolo Donato, Silvia Maccari, Raffaella Cecchi, Tiziana Spadafina, Letizia Arcidiacono, Simona Tavarini, Chiara Sammicheli, Donatello Laera, Andrea Guido Oreste Manetti, Paolo Ruggiero, Bruno Galletti, Sandra Nuti, Ennio De Gregorio, Sylvie Bertholet, Anja Seubert, Fabio Bagnoli, Giuliano Bensi, Emiliano Chiarot
Staphylococcus aureus is the major cause of human septic arthritis and osteomyelitis, which deserve special attention due to their rapid evolution and resistance to treatment. The progression of the disease depends on both bacterial presence in situ and uncontrolled disruptive immune response, which is responsible for chronic disease. Articular and bone infections are often the result of blood bacteremia, with the knees and hips being the most frequently infected joints showing the worst clinical outcome. We report the development of a hematogenous model of septic arthritis in murine knees, which progresses from an acute to a chronic phase, similarly to what occurs in humans...
November 30, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27834064/evaluation-of-bd-max-staph-sr-assay-for-differentiating-between-staphylococcus-aureus-and-coagulase-negative-staphylococci-and-determining-methicillin-resistance-directly-from-positive-blood-cultures
#10
Jaewoong Lee, Yeon Joon Park, Dong Jin Park, Kang Gyun Park, Hae Kyung Lee
BACKGROUND: We evaluated the performance of the BD MAX StaphSR Assay (SR assay; BD, USA) for direct detection of Staphylococcus aureus and methicillin resistance not only in S. aureus but also in coagulase-negative Staphylococci (CNS) from positive blood cultures. METHODS: From 228 blood culture bottles, 103 S. aureus [45 methicillin-resistant S. aureus (MRSA), 55 methicillin-susceptible S. aureus (MSSA), 3 mixed infections (1 MRSA+Enterococcus faecalis, 1 MSSA+MRCNS, 1 MSSA+MSCNS)], and 125 CNS (102 MRCNS, 23 MSCNS) were identified by Vitek 2...
January 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/27790436/surgical-site-infection-by-methicillin-resistant-staphylococcus-aureus-on-decline
#11
Susmita Bhattacharya, Kuhu Pal, Sonia Jain, Shiv Sekhar Chatterjee, Jayashree Konar
INTRODUCTION: Surgical Site Infection (SSI) is the most common healthcare associated infection that could be averted by antibiotics prophylaxis against the probable offending organisms. As Staphylococcus aureus has been playing a substantial role in the aetiology of SSIs, Methicillin Resistant Staphylococcus aureus (MRSA) happens to be a problem while dealing with the postoperative wound infection. AIM: To determine the prevalence of SSI caused by MRSA and the antibiotic sensitivity pattern of MRSA...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27734638/pattern-of-urinary-antibiograms-in-a-tertiary-care-hospital-of-eastern-india
#12
Nandini Chatterjee, Chandan Chatterjee, Sinjan Ghosh, Mainak Mukhopadhyay, Ramkrishna Brahmachari, Kartik Patar
BACKGROUND: Indiscriminate use of antibiotics in urinary tract infections have led to emergence of 'superbugs' worldwide. Periodical review of antibiograms is of utmost importance for optimum patient benefit. OBJECTIVE: To identify the spectrum of organisms responsible for urinary tract infection and evaluate the pattern of antibiotic sensitivity of the organisms. METHODS: Urine samples were collected from all consecutive patients getting admitted in the medicine indoor irrespective of symptomatology...
April 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27720156/identification-of-factors-influencing-teat-dip-efficacy-trial-results-by-meta-analysis
#13
B D Enger, R R White, S C Nickerson, L K Fox
Two meta-analyses were conducted using data from peer-reviewed natural exposure (NE) and experimental challenge (EC) teat dip efficacy trials to identify factors influencing the new intramammary infection (IMI) rate. A NE data set containing 16 studies and an EC data set containing 21 studies were created. New IMI rate was calculated based on the percentage of new quarter infections per month (PNQI/mo) for each observation, in both data sets, and used as the dependent variable for model derivation. A linear, mixed-effects model with a random study effect, weighted by number of quarters eligible for infection, was derived for each data set...
December 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27638256/short-communication-in-vivo-screening-platform-for-bacteriocins-using-caenorhabditis-elegans-to-control-mastitis-causing-pathogens
#14
S J Son, M R Park, S D Ryu, B E Maburutse, N S Oh, J Park, S Oh, Y Kim
This study aimed to develop an in vivo screening platform using Caenorhabditis elegans to identify a novel bacteriocin for controlling the mastitis-causing pathogen Staphylococcus aureus strain RF122 in dairy cows. Using Bacillus spp. isolated from traditional Korean foods, we developed a direct in vivo screening platform that uses 96-well plates and fluorescence image analysis. We identified a novel bacteriocin produced by Bacillus licheniformis strain 146 (lichenicin 146) with a high in vivo antimicrobial activity using our liquid C...
November 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27606553/2-5-mafenide-acetate-a-cost-effective-alternative-to-the-5-solution-for-burn-wounds
#15
Ashkan Afshari, Lyly Nguyen, Steven A Kahn, Blair Summitt
Mafenide acetate is an antimicrobial agent used to decrease the bacterial load for burn wounds. The 5% solution is more commonly used yet double the cost of its 2.5% counterpart. This study aims to evaluate outcomes and cost associated with the use of 2.5 vs 5% mafenide acetate formulation in the adult burn population. Adult patients (≥18 years) receiving 2.5% mafenide acetate during an 11-month period between 2014 and 2015, corresponding to a policy change in favor of the use of 2.5% mafenide acetate, were queried...
January 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/27592437/investigation-of-the-antibiotic-resistance-and-biofilm-forming-ability-of-staphylococcus-aureus-from-subclinical-bovine-mastitis-cases
#16
Özkan Aslantaş, Cemil Demir
A total of 112 Staphylococcus aureus isolates obtained from subclinical bovine mastitis cases were examined for antibiotic susceptibility and biofilm-forming ability as well as genes responsible for antibiotic resistance, biofilm-forming ability, and adhesin. Antimicrobial susceptibility of the isolates were determined by disk diffusion method. Biofilm forming ability of the isolates were investigated by Congo red agar method, standard tube method, and microplate method. The genes responsible for antibiotic resistance, biofilm-forming ability, and adhesion were examined by PCR...
November 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27504549/species-identification-and-antibiotic-susceptibilities-of-coagulase-negative-staphylococci-isolated-from-urinary-tract-infection-specimens
#17
Asra Hashmi, Farhan Essa Abdullah, Nihal Essa Abdullah, Shahana Urooj Kazmi
OBJECTIVE: To determine the incidence of Coagulase- negative S. aureusin urinary tract infections and sensitivities of these isolates to antimicrobial agents. STUDY DESIGN: Cohort study. PLACE AND DURATION OF STUDY: Dr. Essa Laboratory and Immunology and Infectious Disease Research Laboratory (IIDRL), Microbiology Department, University of Karachi, from January 2009 to January 2010. METHODOLOGY: Urine specimens, suggestive of urinary tract infection (UTI), were identified...
July 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/27495844/epidemiologic-and-demographic-attributes-of-primary-spondylodiscitis-in-a-middle-eastern-population-sample
#18
K Venugopal Menon, Tamer Malak Moawad Sorour
BACKGROUND: The prevalence and characteristics of spontaneous spondylodiscitis in the Middle East are unknown. There seems to be an emerging dominance of pyogenic infections over tuberculosis and brucellosis. METHODS: We conducted a retrospective observational study based on electronic case records of 4 years from a tertiary reference facility in Oman. Case records, microbiology reports, blood reports, imaging studies, and histopathology, and surgical reports of all spinal infection cases were studied...
November 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27436387/correlation-of-mupirocin-resistance-with-biofilm-production-in-methicillin-resistant-staphylococcus-aureus-from-surgical-site-infections-in-a-tertiary-centre-egypt
#19
Ghada I Barakat, Yasmin M Nabil
The aim of this study was to detect mupirocin-resistant isolates from pus/wound swabs taken postoperatively in a tertiary centre in Egypt and to determine their ability to form biofilm in order to establish its correlation with mupirocin resistance. This was a prospective study including 513pus/wound swabs from patients suffering from postoperative surgical site infections over the period July 2013-January 2015. Samples were cultured and isolates were identified by coagulase activity, DNase test, mannitol fermentation by mannitol salt agar followed by API Staph 32...
March 2016: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/27358615/a-study-of-asymptomatic-bacteriuria-in-egyptian-school-going-children
#20
Ahmed Mohammed, Magid Abdelfattah, Ayman Ibraheem, Ahmad Younes
BACKGROUND: Urinary tract infections (UTI) are a common and important clinical problem in childhood. Upper urinary tract infections (i.e., acute pyelonephritis) may lead to renal scarring, hypertension, and end-stage renal disease. Despite the presence of simple and reliable methods of preliminary screening of children's urine, urinary tract infection continues to be under diagnosed. OBJECTIVES: The aim of this study was to establish prevalence rates of significant bacteriuria in asymptomatic school children by simple urine tests in comparison to standard urine culture techniques in Giza, Egypt...
March 2016: African Health Sciences
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