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https://www.readbyqxmd.com/read/28743086/effect-of-cinnamon-cinnamomum-verum-bark-essential-oil-on-the-halitosis-associated-bacterium-solobacterium-moorei-and-in-vitro-cytotoxicity
#1
Geneviève LeBel, Bruno Haas, Andrée-Ann Adam, Marie-Pier Veilleux, Amel Ben Lagha, Daniel Grenier
OBJECTIVES: Halitosis, also known as bad breath or oral malodour, is a condition affecting a large proportion of the population. Solobacterium moorei is a Gram-positive anaerobic bacterium that has been specifically associated with halitosis. In this study, we investigated the effects of essential oils, more particularly cinnamon bark oil, on growth, biofilm formation, eradication and killing, as well as hydrogen sulfide (H2S) production by S. moorei. METHODS: A broth microdilution assay was used to determine the antibacterial activity of essential oils...
July 12, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28742879/epidemiological-investigations-of-the-introduction-of-porcine-reproductive-and-respiratory-syndrome-virus-in-chile-2013-2015
#2
Víctor Neira, Barbara Brito, Juan Mena, Marie Culhane, Maria Ignacia Apel, Vanessa Max, Patricio Perez, Valentina Moreno, Christian Mathieu, Magdalena Johow, Catalina Badia, Montserrat Torremorell, Rafael Medina, Rene Ortega
Porcine reproductive and respiratory syndrome (PRRS) is endemic in most pork producing countries. In Chile, eradication of PRRS virus (PRRSV) was successfully achieved in 2009 as a result of the combined efforts of producers and the animal health authorities. In October 2013, after several years without detecting PRRSV under surveillance activities, suspected cases were confirmed on a commercial swine farm. Here, we describe the PRRS epidemic in Chile between October 2013 and April 2015, and we studied the origins and spread of PRRSV throughout the country using official surveillance data and Bayesian phylogenetic analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28742803/the-role-of-supplementary-environmental-surveillance-to-complement-acute-flaccid-paralysis-surveillance-for-wild-poliovirus-in-pakistan-2011-2013
#3
Tori L Cowger, Cara C Burns, Salmaan Sharif, Howard E Gary, Jane Iber, Elizabeth Henderson, Farzana Malik, Syed Sohail Zahoor Zaidi, Shahzad Shaukat, Lubna Rehman, Mark A Pallansch, Walter A Orenstein
BACKGROUND: More than 99% of poliovirus infections are non-paralytic and therefore, not detected by acute flaccid paralysis (AFP) surveillance. Environmental surveillance (ES) can detect circulating polioviruses from sewage without relying on clinical presentation. With extensive ES and continued circulation of polioviruses, Pakistan presents a unique opportunity to quantify the impact of ES as a supplement to AFP surveillance on overall completeness and timeliness of poliovirus detection...
2017: PloS One
https://www.readbyqxmd.com/read/28742801/tracking-the-return-of-aedes-aegypti-to-brazil-the-major-vector-of-the-dengue-chikungunya-and-zika-viruses
#4
Panayiota Kotsakiozi, Andrea Gloria-Soria, Adalgisa Caccone, Benjamin Evans, Renata Schama, Ademir Jesus Martins, Jeffrey R Powell
BACKGROUND: Aedes aegypti, commonly known as "the yellow fever mosquito", is of great medical concern today primarily as the major vector of dengue, chikungunya and Zika viruses, although yellow fever remains a serious health concern in some regions. The history of Ae. aegypti in Brazil is of particular interest because the country was subjected to a well-documented eradication program during 1940s-1950s. After cessation of the campaign, the mosquito quickly re-established in the early 1970s with several dengue outbreaks reported during the last 30 years...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28742690/do-surgeons-react-a-retrospective-analysis-of-surgeons-response-to-harassment-of-a-colleague-during-simulated-operating-theatre-scenarios
#5
Hannah Gostlow, Camila Vega Vega, Nicholas Marlow, Wendy Babidge, Guy Maddern
OBJECTIVE: To assess and report on surgeons' ability to identify and manage incidences of harassment. BACKGROUND: The Royal Australasian College of Surgeons is committed to driving out discrimination, bullying, harassment, and sexual harassment from surgical training and practice, through changing the culture of the workplace. To eradicate these behaviors, it is first critical to understand how the current workforce responds to these actions. METHODS: A retrospective analysis of video data of an operating theatre simulation was conducted to identify how surgeons, from a range of experience levels, react to instances of harassment...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28741504/eradicating-quiescent-tumor-cells-by-targeting-mitochondrial-bioenergetics
#6
REVIEW
Xiaonan Zhang, Angelo De Milito, Asuman Demiroglu-Zergeroglu, Joachim Gullbo, Padraig D'Arcy, Stig Linder
The presence of quiescent cell populations in solid tumors represents a major challenge for disease eradication. Such cells are generally present in poorly vascularized tumor areas, show limited sensitivity to traditional chemotherapeutical drugs, and tend to resume proliferation, resulting in tumor reseeding and growth. There is growing recognition of the importance of developing therapies that target these quiescent cell populations to achieve long-lasting remission. Recent studies have shown that the combination of hypoxia and reduced nutrient availability in poorly vascularized areas results in limited tumor metabolic plasticity coupled with an increased sensitivity to perturbations in mitochondrial flux...
November 2016: Trends in Cancer
https://www.readbyqxmd.com/read/28741092/a-potent-indolylquinoline-alleviates-growth-of-human-lung-cancer-cell-tumorspheres
#7
Yu-Ling Ni, Chang-Hung Hsieh, Seung-Hun Kim, Jing-Ping Wang, Chun-Li Su, Ching-Fa Yao, Kang Fang
To fight cancer at its roots by targeting cancer stem cells is a promising approach for therapy. Previously, an indolylquinoline derivative, 3-((7-ethyl-1H-indol-3-yl)-methyl)-2-methylquinoline (EMMQ), was reported effectively inhibiting the growth of lung cancer cells through impairment of cellular mitochondria functions. To address more on drug efficiency, the study further exploited if EMMQ can impede the propagation of tumorspheres stemmed from non-small cell lung cancer cells. EMMQ inhibited proliferation of spheroids in culture...
July 24, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28739770/gastric-cancer-mortality-trends-in-china-2006-2013-reveal-increasing-mortality-in-young-subjects
#8
Jie Yin, Jian-Ning Song, Zhi-Gang Bai, Jun Cai, Jun Zhang, Zhi Zheng, Hong-Wei Wu, Peng-Peng Ye, Xin Gao, Zhong-Tao Zhang
BACKGROUND/AIM: Although the advent of Helicobacter pylori eradication and global societal changes are widely assumed to impact on gastric cancer (GC)-related mortality, there is remarkable little quantitative and qualitative insight into the nature of its effects. Here, we exploited a nationwide reporting system to investigate the epidemiological features of GC-related mortality in China between 2006 and 2013. PATIENTS AND METHODS: GC mortality data between 2006 and 2013 were obtained from the National Disease Surveillance System published by the China Center for Disease Control and Prevention (CDC)...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739308/risk-of-surgical-site-infection-in-elective-hip-and-knee-replacements-after-confirmed-eradication-of-mrsa-in-chronic-carriers
#9
Tarang Tandon, Baha J Tadros, Harold Akehurst, Adhish Avasthi, Richard Hill, Madhu Rao
BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) is globally endemic and is a leading cause of surgical site infection (SSI). The purpose of this study was to evaluate the incidence of SSI in MRSA carriers undergoing elective hip or knee arthroplasty, who had confirmed eradication and to compare it with incidence of SSI in non-MRSA carriers. METHODS: This is a retrospective analysis of 6613 patients who underwent elective total hip arthroplasty (THA; n = 3347) and total knee arthroplasty (TKA; n = 3266) at our institution...
June 29, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28738914/characterization-of-group-b-coxsackieviruses-isolated-from-non-polio-acute-flaccid-paralysis-patients-in-pakistan-vital-assessment-before-polio-eradication
#10
M Angez, S Shaukat, R Zahra, M M Alam, S Sharif, A Khurshid, Y Arshad, M Suleman, G Mujtaba, S S Z Zaidi
Pakistan is at the verge of polio eradication but isolation of non-polio enteroviruses (NPEVs) from acute flaccid paralysis (AFP) cases may result in serious or even fatal outcome. Many enteroviruses share similar symptoms and epidemiology as is the case with poliovirus and coxsackievirus (CV). The present study was designed to genetically characterize coxsackievirus B (CV-B) serotypes isolated from non-polio acute flaccid paralytic children, as well as to understand their probable role in paralysis. A total of 63 (20·1%) out of 313 stool samples during 2013 were found positive for NPEVs in rhabdomyosarcoma cells...
July 25, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28736916/hyaluronate-effect-on-bacterial-biofilm-in-ent-district-infections-a-review
#11
REVIEW
Alberto Vito Marcuzzo, Margherita Tofanelli, Francesca Boscolo Nata, Annalisa Gatto, Giancarlo Tirelli
Bacterial resistance is a growing phenomenon which led the scientific community to search for new therapeutic targets, such as biofilm. A bacterial biofilm is a surface-associated agglomerate of microorganisms embedded in a self-produced extracellular polymeric matrix made of polysaccharides, nucleic acids, and proteins. Scientific literature offers several reports on a biofilm's role in infections regarding various body districts. The presence of a bacterial biofilm is responsible for poor efficacy of antibiotic therapies along with bacterial infections in ear, nose, and throat (ENT) districts such as the oral cavity, ear, nasal cavities, and nasal sinuses...
July 24, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28736138/how-viral-genetic-variants-and-genotypes-influence-disease-and-treatment-outcome-of-chronic-hepatitis-b-time-for-an-individualized-approach
#12
REVIEW
Neil Rajoriya, Christophe Combet, Fabien Zoulim, Harry L A Janssen
Chronic hepatitis B virus (HBV) infection remains a global problem. Several HBV (sub)genotypes exist with different biology and geographical preponderances. While the future aim of HBV treatment remains virus eradication, current strategies of treatment aim to suppress the virus and prevent the progression of liver disease. Current strategies also involve identification of patients for treatment - those at risk of progressive liver disease. Identification of HBV genotype, HBV mutants and other predictive factors allow for tailored treatments, and also risk-surveillance pathways such as for hepatocellular cancer screening...
July 20, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28736098/posterior-canal-wall-reposition-for-management-of-cholesteatoma-technique-and-results
#13
Mohammad Kamal Mobashir, Waleed M Basha, Abd ElRaof Said Mohamed, Mohammed Elsayed Elmaghawry
OBJECTIVE: The main goal of surgery in acquired middle ear cholesteatomas is the complete eradication of the disease with an ear free of discharge. This can be performed either by open or closed techniques with their benefits and drawbacks. We present the technique of reposition of the posterior canal wall for the management of cholesteatoma cases and its results and outcome. PATIENTS AND METHODS: This study included 31 patients with primary acquired middle ear cholesteatoma...
July 20, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28735655/an-intramedullary-nail-coated-with-antibiotic-and-growth-factor-nanoparticles-an-individualized-state-of-the-art-treatment-for-chronic-osteomyelitis-with-bone-defects
#14
Roberto Berebichez-Fridman, Pablo Montero-Olvera, Ricardo Gómez-García, Enrique Berebichez-Fastlicht
Among various infections, chronic osteomyelitis is one of the most challenging in terms of treatment. This infection is more common among patients with open fractures and those who have undergone elective orthopedic procedures. The treatment of osteomyelitis requires high antibiotic doses and an aggressive and multifaceted surgical approach. The use of parenteral antibiotics alone, without debridement, is not sufficiently effective, due to the formation of sequestra and the low vascularity of the affected area...
August 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28735470/staged-reimplantation-of-a-total-hip-prosthesis-after-co-infection-with-candida-tropicalis-and-staphylococcus-haemolyticus-a-case-report
#15
Sujeesh Sebastian, Rajesh Malhotra, Ashish Pande, Deepak Gautam, Immaculata Xess, Benu Dhawan
Fungal prosthetic joint infection is a rare complication in total joint arthroplasty. There are no established guidelines for management of these infections. We present a case of a 53-year-old male with a hip joint prosthesis co-infected with Candida tropicalis and Staphylococcus haemolyticus. A two-stage exchange arthroplasty was performed. The patient underwent implant removal, debridement, irrigation with saline solution and application of cement spacer impregnated with vancomycin followed by aggressive antimicrobial treatment in first stage...
July 22, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28735328/molecular-characterization-of-enteroviruses-isolated-from-acute-flaccid-paralysis-cases-in-poland-1999-2014
#16
Magdalena Wieczorek, Arleta Krzysztoszek
Enteroviruses (EVs) are among viral pathogens that can cause acute flaccid paralysis (AFP). This study represents an overview of EVs isolated through AFP surveillance in Poland between 1999 and 2014. The presence of enteroviruses was studied in stool samples that were collected from 747 AFP cases and their asymptomatic contacts. Fifty five (6.12%) cases of AFP were associated with enterovirus isolation. Out of the 55 positive cases, 40 were associated with detection of enterovirus in patient, and 15 with detection of EV in healthy contact, without positive detection in paralytic patient...
January 2, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28733286/the-regulator-ldhr-and-the-d-lactate-dehydrogenase-ldha-of-burkholderia-multivorans-play-a-role-in-carbon-overflow-and-in-planktonic-cellular-aggregates-formation
#17
Inês N Silva, Marcelo J Ramires, Lisa A Azevedo, Ana R Guerreiro, Andreia C Tavares, Jörg D Becker, Leonilde M Moreira
LysR-type transcriptional regulators (LTTR) are the most commonly found regulators in Burkholderia cepacia complex, comprising opportunistic pathogens causing chronic respiratory infections in cystic fibrosis (CF) patients. Despite LTTRs being global regulators of pathogenicity in several bacteria, few have been characterized in Burkholderia Here, we showed that gene ldhR of B. multivorans encoding a LTTR is co-transcribed with ldhA encoding a d-lactate dehydrogenase, and evaluate their implication in virulence traits like exopolysaccharide (EPS) synthesis and biofilm formation...
July 21, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28732804/interactions-of-a-prenylated-flavonoid-from-dalea-elegans-with-fluconazole-against-azole-resistant-candida-albicans
#18
Sebastián Barceló, Mariana Peralta, Maximiliano Calise, Soledad Finck, Gabriela Ortega, Roberto A Diez, José Luis Cabrera, Cristina Pérez
BACKGROUND: The prenylated flavonoid 2', 4'-dihydroxy-5'-(1'″, 1'″-dimethylallyl)-8-prenylpinocembrin (8PP, formerly 6PP) shows antifungal activity, inhibits rhodamine 6G efflux and reverses fluconazole (FCZ) resistance in azole-resistant Candida albicans overexpressing cdr1, cdr2 and mdr1 transporters. PURPOSE AND DESIGN: In this paper, we tried to characterize 8PP in vitro interactions on the cell growth and lethality of C. albicans. We also initiated preliminary in vivo toxicological studies on mice...
August 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28732793/characterization-of-clarithromycin-resistant-helicobacter-pylori-strains-in-iran-a-systematic-review-and-meta-analysis
#19
REVIEW
Farzad Khademi, Amir Hossein Sahebkar, Hamid Vaez, Mohsen Arzanlou, Hadi Peeridogaheh
BACKGROUND: The high prevalence of clarithromycin-resistant strains of H. pylori is a main challenge for the successful treatment of gastrointestinal infections. Point mutations in the 23S rRNA gene are one of the main mechanisms leading to the resistance to clarithromycin in Iran. The purpose of the present review was to evaluate the prevalence of clarithromycin-resistant H. pylori strains in Iran and to identify the major molecular mechanisms of resistance in the resistant isolates...
July 18, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28732789/effect-of-ceftiofur-and-enrofloxacin-on-e-coli-sub-population-in-pig-gastrointestinal-tract
#20
Dachuan Lin, Kaichao Chen, Miaomiao Xie, Lianwei Ye, Edward Wai-Chi Chan, Sheng Chen
BACKGROUND: Antibiotic resistant sub-population of the gut microbiome in both human and animals may be enriched during antimicrobial treatment. METHODS: This study investigated how the size and antibiotic susceptibility profiles of antibiotic resistant sub-population organisms in the animal gastrointestinal tract changed upon exposure to different levels of ceftiofur and enrofloxacin by plating fecal samples collected from piglets before and after antibiotic treatment onto MacConkey agar containing 0...
July 18, 2017: Journal of Global Antimicrobial Resistance
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