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Antibiotics supply

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https://www.readbyqxmd.com/read/28926636/the-expected-and-unexpected-benefits-of-dispensing-the-exact-number-of-pills
#1
Carole Treibich, Sabine Lescher, Luis Sagaon-Teyssier, Bruno Ventelou
BACKGROUND: From November 2014 to November 2015, an experiment in French community pharmacies replaced traditional pre-packed boxes by per-unit dispensing of pills in the exact numbers prescribed, for 14 antibiotics. METHODS: A cluster randomised control trial was carried out in 100 pharmacies. 75 pharmacies counted out the medication by units (experimental group), the other 25 providing the treatment in the existing pharmaceutical company boxes (control group)...
2017: PloS One
https://www.readbyqxmd.com/read/28922029/exploratory-study-into-the-microbiological-quality-of-spinach-and-cabbage-purchased-from-street-vendors-and-retailers-in-johannesburg-south-africa
#2
Erika M du Plessis, Sarasha Govender, Bala Pillay, Lise Korsten
Knowledge of the microbiological quality and prevalence of antibiotic resistance and virulence genes in bacterial isolates from leafy green vegetables supplied by formal suppliers (retailers) and informal suppliers (street vendors) in South Africa is limited. Because leafy vegetables have been implicated in foodborne disease outbreaks worldwide, 180 cabbage and spinach samples were collected from three major retailers and nine street vendors in Johannesburg, South Africa. Escherichia coli and coliforms were enumerated using Petrifilm plates...
September 18, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28910226/the-bacterial-renaissance-a-supply-side-answer-to-the-icarus-paradox-of-antibiotic-usage-undermining-its-own-usefulness
#3
Gurney Fields Pearsall
No abstract text is available yet for this article.
January 2017: Journal of Legal Medicine
https://www.readbyqxmd.com/read/28900741/occurrence-and-distribution-of-antibiotic-resistance-genes-in-water-supply-reservoirs-in-jingjinji-area-china
#4
Kai Zhang, Zhi-Guang Niu, Zhiwei Lv, Ying Zhang
Jingjinji area occupies important position in developing of the Chinese economy, while there exists a sharp conflict between economic growth and limited water resources in this area. To ensure the safety of water consumption of cities in Jingjinji area, we investigated the abundance of three classes of antibiotic resistance genes (ARGs) in water and sediment of six water supply reservoirs in this area. The results showed that the detection frequency of sul1, tetM and ermB were 100%. However, the content ranges of these genes were different (10(-5) to 10(-2)/16S gene copies for sul1, 10(-5) to 10(-3)/16S gene copies for ermB, and 10(-5) to 10(-3)/16S gene copies for tetM)...
September 12, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28893243/impact-of-pharmacy-worker-training-and-deployment-on-access-to-essential-medicines-for-children-under-five-in-malawi-a-cluster-quasi-experimental-evaluation
#5
Joseph B Babigumira, Solomon J Lubinga, Alisa M Jenny, Erin Larsen-Cooper, Jessica Crawford, Charles Matemba, Andy Stergachis
BACKGROUND: Poor access to essential medicines is common in many low- and middle-income countries, partly due to an insufficient and inadequately trained workforce to manage the medicines supply chain. We conducted a prospective impact evaluation of the training and deployment of pharmacy assistants (PAs) to rural health centers in Malawi. METHODS: A quasi-experimental design was used to compare access to medicines in two districts where newly trained PAs were deployed to health centers (intervention) and two districts with no trained PAs at health centers (comparison)...
September 11, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28889650/correlation-of-recommendations-of-treatment-guidelines-and-frequently-prescribed-antibiotics-evaluation-of-their-pharmaceutical-pack-size
#6
Shoma Mukherjee, Nilanjan Saha
There are various factors that contribute to development of antimicrobial resistance. Overuse, inappropriate prescribing and extensive agricultural use of antibiotics are some of the factors which have been identified. Antibiotics are almost always universally packaged by manufacturers in packs that are heavily driven by cost of economies and convenience rather than by any scientific basis or duration of therapy. So, in the present study, the correlation of the treatment guidelines with the choice of antibiotics and whether packing size contributes to left-over dosing units when used according to guideline recommendations were assessed...
September 10, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28882639/effects-of-residual-levels-of-tetracycline-on-the-barrier-functions-of-human-intestinal-epithelial-cells
#7
Kuppan Gokulan, Carl E Cerniglia, Charles Thomas, Silvia A Pineiro, Sangeeta Khare
Tetracyclines are frequently used in food-producing animals to treat, control, and prevent microbial diseases. Concerns are raised regarding the effects of residual levels of tetracycline, which may be present in the food supply, for emergence of drug-resistance and transfer of antibiotic-resistance gene in intestinal microbiota. In contrast, no information is available regarding the possible effects of residual tetracycline on the gastrointestinal epithelial layer barrier-disruption. This study investigates the outcome of tetracycline treatment on intestinal epithelial cells integrity...
September 4, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28874373/hyperbaric-oxygen-sensitizes-anoxic-pseudomonas-aeruginosa-biofilm-to-ciprofloxacin
#8
Mette Kolpen, Christian J Lerche, Kasper N Kragh, Thomas Sams, Klaus Koren, Anna S Jensen, Laura Line, Thomas Bjarnsholt, Oana Ciofu, Claus Moser, Michael Kühl, Niels Høiby, Peter Ø Jensen
Chronic Pseudomonas aeruginosa lung infection is characterized by the presence of endobronchial antibiotic-tolerant biofilm subject to strong oxygen (O2) depletion due to the activity of surrounding polymorphonuclear leukocytes. The exact mechanisms affecting the antibiotic susceptibility of biofilms remain unclear, but accumulating evidence suggests that the efficacy of several bactericidal antibiotics is enhanced by stimulation of aerobic respiration of pathogens, while lack of O2 increases their tolerance...
September 5, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28838222/effects-of-increased-nadph-concentration-by-metabolic-engineering-of-the-pentose-phosphate-pathway-on-antibiotic-production-and-sporulation-in-streptomyces-lividans-tk24
#9
Xue-Mei Jin, Yong-Keun Chang, Jae Hag Lee, Soon Kwang Hong
Most of the biosynthetic pathways for secondary metabolites are influenced by carbon metabolism and supply of cytosolic NADPH. We engineered carbon distribution to pentose phosphate pathway (PPP) and redesign the host to produce high levels of NADPH and primary intermediates from PPP. The main enzymes producing NADPH in PPP, glucose 6-phosphate dehydrogenase (encoded by zwf1 and zwf2) and 6-phosphogluconate dehydrogenase (encoded by zwf3), were overexpressed with opc encoding a positive allosteric effector essential for Zwf activity in various combinations in Streptomyces lividans TK24...
August 25, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28832133/the-mechanism-of-regulation-of-pantothenate-biosynthesis-by-the-pand-panz%C3%A2-accoa-complex-reveals-an-additional-mode-of-action-for-the-antimetabolite-n-pentyl-pantothenamide-n5-pan
#10
Zoe L P Arnott, Shingo Nozaki, Diana C F Monteiro, Holly E Morgan, Arwen R Pearson, Hironori Niki, Michael E Webb
The antimetabolite pentyl pantothenamide has broad spectrum antibiotic activity but exhibits enhanced activity against Escherichia coli. The PanDZ complex has been proposed to regulate the pantothenate biosynthetic pathway in E. coli by limiting the supply of β-alanine in response to coenzyme A concentration. We show that formation of such a complex between activated aspartate decarboxylase (PanD) and PanZ leads to sequestration of the pyruvoyl cofactor as a ketone hydrate and demonstrate that both PanZ overexpression-linked β-alanine auxotrophy and pentyl pantothenamide toxicity are due to formation of this complex...
September 7, 2017: Biochemistry
https://www.readbyqxmd.com/read/28831220/serotyping-antibiotic-susceptibility-and-virulence-genes-screening-of-escherichia-coli-isolates-obtained-from-diarrheic-buffalo-calves-in-egyptian-farms
#11
Ashraf S Hakim, Shimaa T Omara, Sohier M Syame, Ehab A Fouad
AIM: In Egypt as in many other countries, river water buffalo (Bubalus bubalis) is considered an important source of high-quality milk and meat supply. The objective of this study was to investigate serotypes, virulence genes, and antibiotic resistance determinants profiles of Escherichia coli isolated from buffalo at some places in Egypt; noticibly, this issue was not discussed in the country yet. MATERIALS AND METHODS: A number of 58 rectal samples were collected from diarrheic buffalo calves in different regions in Egypt, and bacteriological investigated for E...
July 2017: Veterinary World
https://www.readbyqxmd.com/read/28828473/informed-consent-to-study-purpose-in-randomized-clinical-trials-of-antibiotics-1991-through-2011
#12
Peter Doshi, Peter Hur, Mark Jones, Husam Albarmawi, Tom Jefferson, Daniel J Morgan, Patricia A Spears, John H Powers
Importance: Potential research participants may assume that randomized trials comparing new interventions with older interventions always hypothesize greater efficacy for the new intervention, as in superiority trials. However, antibiotic trials frequently use "noninferiority" hypotheses allowing a degree of inferior efficacy deemed "clinically acceptable" compared with an older effective drug, in exchange for nonefficacy benefits (eg, decreased adverse effects). Considering these different benefit-harm trade-offs, proper informed consent necessitates supplying different information on the purposes of superiority and noninferiority trials...
August 21, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28811598/effects-of-contaminants-of-emerging-concern-on-megaselia-scalaris-lowe-diptera-phoridae-and-its-microbial-community
#13
Marcus J Pennington, Jason A Rothman, Michael B Jones, Quinn S McFrederick, Jay Gan, John T Trumble
Drought, rising temperatures, and expanding human populations are increasing water demands. Many countries are extending potable water supplies by irrigating crops with wastewater. Unfortunately, wastewater contains biologically active, long-lived pharmaceuticals, even after treatment. Run-off from farms and wastewater treatment plant overflows contribute high concentrations of pharmaceuticals to the environment. This study assessed the effects of common pharmaceuticals on a cosmopolitan saprophagous insect, Megaselia scalaris (Diptera: Phoridae)...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28782806/pervasive-interactions-between-foliar-microbes-and-soil-nutrients-mediate-leaf-production-and-herbivore-damage-in-a-tropical-forest
#14
Eric A Griffin, S Joseph Wright, Peter J Morin, Walter P Carson
Producing and retaining leaves underlie the performance and survivorship of seedlings in deeply shaded tropical forests. These habitats are characterized by conditions ideal for foliar bacteria, which can be potent plant pathogens. Leaf production, retention and susceptibility to enemies may ultimately depend upon interactions among soil nutrients and foliar microbes, yet this has never been tested. We experimentally evaluated the degree that foliar bacteria and soil resource supply mediate leaf dynamics for five common tree species (five different families) in a Panamanian forest...
August 7, 2017: New Phytologist
https://www.readbyqxmd.com/read/28782570/nanomedicine-and-advanced-technologies-for-burns-preventing-infection-and-facilitating-wound-healing
#15
Mirza Ali Mofazzal Jahromi, Parham Sahandi Zangabad, Seyed Masoud Moosavi Basri, Keyvan Sahandi Zangabad, Ameneh Ghamarypour, Amir R Aref, Mahdi Karimi, Michael R Hamblin
According to the latest report from the World Health Organization, an estimated 265,000 deaths still occur every year as a direct result of burn injuries. A widespread range of these deaths induced by burn wound happens in low- and middle-income countries, where survivors face a lifetime of morbidity. Most of the deaths occur due to infections when a high percentage of the external regions of the body area is affected. Microbial nutrient availability, skin barrier disruption, and vascular supply destruction in burn injuries as well as systemic immunosuppression are important parameters that cause burns to be susceptible to infections...
August 4, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28777909/cave-canem-hbo%C3%A2-therapy-efficacy-on-capnocytophaga-canimorsus-infections-a-case-series
#16
Mariano Marmo, Romolo Villani, Raffaele Maria Di Minno, Giuseppe Noschese, Matteo Paganini, Silvia Quartesan, Alex Rizzato, Gerardo Bosco
BACKGROUND: Dog bites are a frequent injury, but the incidence and type of lesions vary across countries. Although only few patients develop complications, the treatment of advanced injuries has a considerable medical, social and economic impact. A frequently isolated pathogen in dog bite wounds is Capnocytophaga canimorsus, a bacterium that can cause sepsis or meningitis. Hyperbaric oxygen (HBO₂) therapy has been shown to be useful in treating anaerobic infections, most likely because it creates an inhospitable environment for the bacterium and enhances the patient's immune response...
March 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28766244/sulfur-cycling-and-the-intestinal-microbiome
#17
REVIEW
Larry L Barton, Nathaniel L Ritz, Guy D Fauque, Henry C Lin
In this review, we focus on the activities transpiring in the anaerobic segment of the sulfur cycle occurring in the gut environment where hydrogen sulfide is produced. While sulfate-reducing bacteria are considered as the principal agents for hydrogen sulfide production, the enzymatic desulfhydration of cysteine by heterotrophic bacteria also contributes to production of hydrogen sulfide. For sulfate-reducing bacteria respiration, molecular hydrogen and lactate are suitable as electron donors while sulfate functions as the terminal electron acceptor...
August 1, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28754611/transdermal-delivery-of-gentamicin-using-dissolving-microneedle-arrays-for-potential-treatment-of-neonatal-sepsis
#18
Patricia González-Vázquez, Eneko Larrañeta, Maelíosa T C McCrudden, Courtney Jarrahian, Annie Rein-Weston, Manjari Quintanar-Solares, Darin Zehrung, Helen McCarthy, Aaron J Courtenay, Ryan F Donnelly
Neonatal infections are a leading cause of childhood mortality in low-resource settings. World Health Organization guidelines for outpatient treatment of possible serious bacterial infection (PSBI) in neonates and young infants when referral for hospital treatment is not feasible include intramuscular gentamicin (GEN) and oral amoxicillin. GEN is supplied as an aqueous solution of gentamicin sulphate in vials or ampoules and requires health care workers to be trained in dose calculation or selection of an appropriate dose based on the patient's weight band and to have access to safe injection supplies and appropriate sharps disposal...
July 25, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28717295/animal-inflicted-maxillofacial-injuries-treatment-modalities-and-our-experience
#19
Anjani Kumar Yadav, Mehul Rajesh Jaisani, Leeza Pradhan, Ashok Dongol, Arpita Singh, Pradeep Acharya, Alok Sagtani
INTRODUCTION: Animal inflicted injuries to the face and neck are becoming much more common as people lavish affection on pets. Injuries caused by animal attacks to the face can cause complex injuries to soft and hard tissues, presented as perforations, lacerations, crushes, avulsion or fractures. An uncountable number of bacteria and virus can be found in such injuries, with a potential pathological effect to humans, regarding infections. Although the infection rate is low due to excellent blood supply to face, the injuries have disfiguring effect with possible psychological repercussion to the patients...
September 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28699625/mutation-supply-and-the-repeatability-of-selection-for-antibiotic-resistance
#20
Thomas van Dijk, Sungmin Hwang, Joachim Krug, Arjan Gm de Visser, Mark Peter Zwart
Whether evolution can be predicted is a key question in evolutionary biology. Here we set out to better understand the repeatability of evolution, which is a necessary condition for predictability. We explored experimentally the effect of mutation supply and the strength of selective pressure on the repeatability of selection from standing genetic variation. Different sizes of mutant libraries of antibiotic resistance gene TEM-1 β-lactamase in Escherichia coli, generated by error-prone PCR, were subjected to different antibiotic concentrations...
July 12, 2017: Physical Biology
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