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https://www.readbyqxmd.com/read/28346841/rapid-and-reliable-genotyping-of-hla-b-57-01-in-four-chinese-populations-using-a-single-tube-duplex-real-time-polymerase-chain-reaction-assay
#1
Min Han, Xing Kang, Zhengbin Liu, Tingting Zhang, Yanwei Li, Chao Chen, Huijuan Wang
HLA-B*57:01 is strongly associated with severe adverse drug reaction induced by the anti-HIV drug abacavir (ABC) and antibiotic flucloxacillin. This study was dedicated to establishing a new method for HLA-B*57:01 genotyping and investigating the HLA-B*57:01 distribution pattern in four Chinese populations. A single-tube duplex real-time polymerase chain reaction (PCR) system was established by combining the amplification refractory mutation system and TaqMan probe. The reliability of this assay was validated by comparing the genotyping results with those by sequence-based typing...
March 27, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28345516/a-case-of-bilateral-megaducts-diagnostic-and-treatment-methods
#2
L Vatin, J M Foletti, C Collet, A Varoquaux, C Chossegros
INTRODUCTION: The pathology of the saliva glands comprises both tumoral and obstructive disorders. The latter include lithiasis, stenosis and megaduct. In this paper, we describe a clinical case of bilateral megaduct, a rare pathology, using sialo-MRI imaging and a conservative diagnostic-cum-therapeutic technique, sialendoscopy with dilation followed by catheterization. CLINICAL CASE: Our female patient presented oversized parotids with an unsightly deformation of the face (parotid ducts visible beneath the skin) and itchy cheeks, from which she had suffered for several years...
February 17, 2017: J Stomatol Oral Maxillofac Surg
https://www.readbyqxmd.com/read/28343755/covalently-linked-kanamycin-ciprofloxacin-hybrid-antibiotics-as-a-tool-to-fight-bacterial-resistance
#3
Michal Shavit, Varvara Pokrovskaya, Valery Belakhov, Timor Baasov
To address the growing problem of antibiotic resistance, a set of 12 hybrid compounds that covalently link fluoroquinolone (ciprofloxacin) and aminoglycoside (kanamycin A) antibiotics were synthesized, and their activity was determined against both Gram-negative and Gram-positive bacteria, including resistant strains. The hybrids were antagonistic relative to the ciprofloxacin, but were substantially more potent than the parent kanamycin against Gram-negative bacteria, and overcame most dominant resistance mechanisms to aminoglycosides...
March 16, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28343745/feasibility-of-sulfate-calcined-eggshells-for-removing-pathogenic-bacteria-and-antibiotic-resistance-genes-from-landfill-leachates
#4
Mao Ye, Mingming Sun, Xu Chen, Yanfang Feng, Jinzhong Wan, Kuan Liu, Da Tian, Manqiang Liu, Jun Wu, Arthur P Schwab, Xin Jiang
High abundance of human pathogen and antibiotic resistance genes (ARGs) in landfill leachate has become an emerging threat against human health. Therefore, sulfate- and calcination-modified eggshells as green agricultural bioresource were applied to test the feasibility of removing pathogenic bacteria and ARGs from leachate. The highest removal of Escherichia coli (E. coil) and gentamycin resistant gene (gmrA) from artificial contaminated landfill leachate was achieved by the application of eggshell with combined treatment of sulfate and calcination...
March 23, 2017: Waste Management
https://www.readbyqxmd.com/read/28343258/variation-of-antibiotic-consumption-and-its-correlated-factors-in-turkey
#5
Ayfer Sahin, Ahmet Akici, Volkan Aydin, Bahar Melik, Mesil Aksoy, Ali Alkan
BACKGROUND: Presentation of antibiotic utilization data by reliable and comparable analyses constitutes an important way of ensuring rational use of antibiotics. This study aimed to evaluate antibiotic consumption (AC) of Turkey by each city/region and to investigate any association of such consumption with socio-economic factors. METHOD: For 81 provinces and 12 regions in Turkey, AC data from IMS (Intercontinental Medical Statistics) in 2011 was analyzed in accordance with "ATC/DDD, DID" (Anatomical Therapeutic Chemical/Defined Daily Doses, DID = DDD/1000 inhabitants/day) methodology supported by World Health Organization...
March 25, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28342718/noisy-response-to-antibiotic-stress-predicts-subsequent-single-cell-survival-in-an-acidic-environment
#6
Karin Mitosch, Georg Rieckh, Tobias Bollenbach
Antibiotics elicit drastic changes in microbial gene expression, including the induction of stress response genes. While certain stress responses are known to "cross-protect" bacteria from other stressors, it is unclear whether cellular responses to antibiotics have a similar protective role. By measuring the genome-wide transcriptional response dynamics of Escherichia coli to four antibiotics, we found that trimethoprim induces a rapid acid stress response that protects bacteria from subsequent exposure to acid...
March 21, 2017: Cell Systems
https://www.readbyqxmd.com/read/28342609/randomized-blinded-controlled-clinical-trial-shows-no-benefit-of-homeopathic-mastitis-treatment-in-dairy-cows
#7
Fanny Ebert, Rudolf Staufenbiel, Julia Simons, Laura Pieper
Mastitis is one of the most common diseases in dairy production, and homeopathic remedies have been used increasingly in recent years to treat it. Clinical trials evaluating homeopathy have often been criticized for their inadequate scientific approach. The objective of this triple-blind, randomized controlled trial was to assess the efficacy of homeopathic treatment in bovine clinical mastitis. The study was conducted on a conventionally managed dairy farm between June 2013 and May 2014. Dairy cows with acute mastitis were randomly allocated to homeopathy (n = 70) or placebo (n = 92), for a total of 162 animals...
March 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28341704/structural-landscape-of-base-pairs-containing-post-transcriptional-modifications-in-rna
#8
Preethi P Seelam, Purshotam Sharma, Abhijit Mitra
Base pairs involving post-transcriptionally modified nucleobases are believed to play important roles in a wide variety of functional RNAs. Here we present our attempts towards understanding the structural and functional role of naturally occurring modified base pairs using a combination of X-ray crystal structure database analysis, sequence analysis, and advanced quantum chemical methods. Our bioinformatics analysis reveals that despite their presence in all major secondary structural elements, modified base pairs are most prevalent in tRNA crystal structures, and most commonly involve guanine or uridine modifications...
March 24, 2017: RNA
https://www.readbyqxmd.com/read/28341517/enhancement-of-bactericidal-activity-against-group-b-streptococci-with-reduced-penicillin-susceptibility-by-uptake-of-gentamicin-into-cells-resulting-from-combination-with-%C3%AE-lactam-antibiotics
#9
Yoshifumi Ebara, Miyuki Morozumi, Mamiko Sato, Nobuko Moritoki, Meiwa Toyofuku, Misako Takata, Mitsuru Murata, Kimiko Ubukata, Satoshi Iwata
Combined effects of penicillin (PEN) and gentamicin (GM) against Streptococcus agalactiae, i.e. group B streptococci (GBS), are known to occur, but synergy has not been examined in strains with reduced PEN susceptibility, usually called PEN-resistant GBS (PRGBS). We therefore studied combined effects of β-lactam antibiotics and GM in cultures of 3 PRGBS strains belonging to serotype Ia or III that were isolated from Japanese adults with invasive infections. Killing kinetics were determined at 2-h intervals from 0 to 6 h after exposure to ampicillin (AMP) or cefotaxime (CTX) combined with GM...
March 21, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28341436/optimal-dosage-and-duration-of-pivmecillinam-treatment-for-uncomplicated-lower-urinary-tract-infections-a-systematic-review-and-meta-analysis
#10
REVIEW
Mariona Pinart, Jennifer Kranz, Katrin Jensen, Tanja Proctor, Kurt Naber, Frank Kunath, Florian Wagenlehner, Stefanie Schmidt
OBJECTIVES: To compare efficacy and safety of different Pivmecillinam (PIV) regimes for lower uncomplicated urinary tract infections UTIs. METHODS: We searched Medline, Embase and the Cochrane Library. We included randomized clinical trials with adults or children with symptoms suggestive of uncomplicated UTI that compared different PIV regimes or PIV versus other antibiotics. Meta-analyses were conducted to obtain direct and indirect efficacy estimates. We categorized PIV regimes into high-total dosage, moderate-total dosage and low-total dosage regimes...
March 21, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28341256/the-ability-of-selected-plant-essential-oils-to-enhance-the-action-of-recommended-antibiotics-against-pathogenic-wound-bacteria
#11
Monika Sienkiewicz, Monika Łysakowska, Edward Kowalczyk, Grażyna Szymańska, Ewa Kochan, Jolanta Krukowska, Jurek Olszewski, Hanna Zielińska-Bliźniewska
The aim of this work was to characterize the ability of essential oils to support antibiotics against pathogenic bacteria in wounds. Gram-positive and Gram-negative bacteria obtained from wound infections were identified according to standard microbiological methods. Essential oils were analysed by GC-FID-MS. The susceptibility of bacteria to antibiotics, essential oils and their combination was assessed using the disc-diffusion method. The Minimal Inhibitory Concentration and Minimum Bactericidal Concentration of the essential oils were established by the micro-dilution broth method...
March 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28339522/influence-of-postbiotic-rg14-and-inulin-combination-on-cecal-microbiota-organic-acid-concentration-and-cytokine-expression-in-broiler-chickens
#12
K Y Kareem, T C Loh, H L Foo, S A Asmara, H Akit
This study examined the effects of different combinations of inulin and postbiotics RG14 on growth performance, cecal microbiota, volatile fatty acids (VFA), and ileal cytokine expression in broiler chickens. Two-hundred-and sixteen, one-day-old chicks were allocated into 6 treatment groups, namely, a basal diet (negative control, NC), basal diet + neomycin and oxytetracycline (positive control, PC), T1 = basal diet + 0.15% postbiotic RG14 + 1.0% inulin, T2 = basal diet + 0.3% postbiotic RG14 + 1.0% inulin, T3 = basal diet + 0...
October 6, 2016: Poultry Science
https://www.readbyqxmd.com/read/28338777/the-chlamydia-suis-genome-exhibits-high-levels-of-diversity-plasticity-and-mobile-antibiotic-resistance-comparative-genomics-of-a-recent-livestock-cohort-shows-influence-of-treatment-regimes
#13
Helena M B Seth-Smith, Sabrina Wanninger, Nathan Bachmann, Hanna Marti, Weihong Qi, Manuela Donati, Antonietta di Francesco, Adam Polkinghorne, Nicole Borel
Chlamydia suis is an endemic pig pathogen, belonging to a fascinating genus of obligate intracellular pathogens. Of particular interest, this is the only chlamydial species to have naturally acquired genes encoding for tetracycline resistance. To date, the distribution and mobility of the Tet-island is not well understood. Our study focused on whole genome sequencing of 29 C. suis isolates from a recent porcine cohort within Switzerland, combined with data from USA tetracycline-resistant isolates. Our findings show that the genome of C...
March 2, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28337876/the-efficacy-of-proanthocyanidins-and-secnidazole-in-the-treatment-of-chronic-periodontitis-after-scaling-and-root-planing-therapy
#14
M Li, R Li, Q Jin, J Pang, Z Xu
The aim of this study is to evaluate the clinical and microbiological effect of the systemic antibiotic therapy of proanthocyanidins and secnidazole on periodontitis. Seventy-five subjects with chronic periodontitis were randomly divided into two treatment groups (secnidazole or proanthocyanidins) and one placebo control group (25 cases each). Plaque index (PI), gingival index (GI), gingival bleeding index (BI), probing pocket depth (PPD), and clinical attachment level (CAL) were carried out at baseline, post-treatment and 3 months after treatment...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337833/acute-cholangitis-current-concepts
#15
REVIEW
David Lan Cheong Wah, Christopher Christophi, Vijayaragavan Muralidharan
BACKGROUND: Acute cholangitis, also known as ascending cholangitis, is a life-threatening systemic condition that results from a biliary tree infection and obstruction. Severe acute cholangitis was reported to have a mortality rate between 11 and 27% in the 1990s. This article is a literature review about acute cholangitis. Its aim is to review the latest literature about acute cholangitis and to discuss its pathogenesis, clinical presentation, diagnosis, prognosis, risk factors and treatment...
March 24, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28337002/a-case-series-of-trigeminal-nerve-injuries-caused-by-periapical-lesions-of-mandibular-teeth
#16
M Devine, Z Yilmaz, M Hirani, T Renton
Aims Periapical lesions have been implicated in mandibular trigeminal sensory neuropathy. This study aimed to report on a case series of consecutive patients presenting with mandibular division trigeminal nerve injuries (TNI) caused by periapical lesions. Common presenting characteristics and possible strategies for management were also investigated.Materials and methods A retrospective study of 22 patients with TNI caused by periapical lesions. Data were extracted from patient records and analysed using Microsoft Excel and SPSS...
March 24, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28336882/antimicrobial-polymers-in-the-nano-world
#17
REVIEW
Marta Álvarez-Paino, Alexandra Muñoz-Bonilla, Marta Fernández-García
Infections are one of the main concerns of our era due to antibiotic-resistant infections and the increasing costs in the health-care sector. Within this context, antimicrobial polymers present a great alternative to combat these problems since their mechanisms of action differ from those of antibiotics. Therefore, the microorganisms' resistance to these polymeric materials is avoided. Antimicrobial polymers are not only applied in the health-care sector, they are also used in many other areas. This review presents different strategies that combine nanoscience and nanotechnology in the polymer world to combat contaminations from bacteria, fungi or algae...
February 22, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28336047/posttraumatic-reconstruction-of-the-foot-and-ankle-in-the-face-of-active-infection
#18
REVIEW
Brandon Jonard, Erin Dean
Posttraumatic infection of the foot and ankle is a challenging issue for orthopedic surgeons. Making the diagnosis often requires combining laboratory and radiologic testing, patient examination, and history. Patient comorbidities should be identified and optimized whenever possible. Treatment must combine effective antibiotic therapy with thorough debridement of the infected zone. Reconstruction often requires a 2-staged approach using antibiotic spacers and temporary external fixation, with the goal of obtaining a functional, pain-free limb that is free of infection...
April 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/28336038/role-of-systemic-and-local-antibiotics-in-the-treatment-of-open-fractures
#19
REVIEW
David C Carver, Sean B Kuehn, John C Weinlein
The orthopedic community has learned much about the treatment of open fractures from the tremendous work of Ramon Gustilo, Michael Patzakis, and others; however, open fractures continue to be very difficult challenges. Type III open fractures continue to be associated with high infection rates. Some combination of systemic and local antibiotics may be most appropriate in these high-grade open fractures. Further research is still necessary in determining optimal systemic antibiotic regimens as well as the role of local antibiotics...
April 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/28335413/chitin-oligosaccharide-cos-reduces-antibiotics-dose-and-prevents-antibiotics-caused-side-effects-in-adolescent-idiopathic-scoliosis-ais-patients-with-spinal-fusion-surgery
#20
Yang Qu, Jinyu Xu, Haohan Zhou, Rongpeng Dong, Mingyang Kang, Jianwu Zhao
Antibiotics are always considered for surgical site infection (SSI) in adolescent idiopathic scoliosis (AIS) surgery. However, the use of antibiotics often causes the antibiotic resistance of pathogens and side effects. Thus, it is necessary to explore natural products as drug candidates. Chitin Oligosaccharide (COS) has anti-inflammation and anti-bacteria functions. The effects of COS on surgical infection in AIS surgery were investigated. A total of 312 AIS patients were evenly and randomly assigned into control group (CG, each patient took one-gram alternative Azithromycin/Erythromycin/Cloxacillin/Aztreonam/Ceftazidime or combined daily), experiment group (EG, each patient took 20 mg COS and half-dose antibiotics daily), and placebo group (PG, each patient took 20 mg placebo and half-dose antibiotics daily)...
March 14, 2017: Marine Drugs
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