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https://www.readbyqxmd.com/read/28820128/molecular-antimicrobial-resistance-surveillance-for-neisseria-gonorrhoeae-northern-territory-australia
#1
David M Whiley, Ella Trembizki, Cameron Buckley, Kevin Freeman, Robert W Baird, Miles Beaman, Marcus Chen, Basil Donovan, Ratan L Kundu, Christopher K Fairley, Rebecca Guy, Tiffany Hogan, John M Kaldor, Mahdad Karimi, Athena Limnios, David G Regan, Nathan Ryder, Jiunn-Yih Su, James Ward, Monica M Lahra
Neisseria gonorrhoeae antimicrobial resistance (AMR) is a globally recognized health threat; new strategies are needed to enhance AMR surveillance. The Northern Territory of Australia is unique in that 2 different first-line therapies, based primarily on geographic location, are used for gonorrhea treatment. We tested 1,629 N. gonorrhoeae nucleic acid amplification test-positive clinical samples, collected from regions where ceftriaxone plus azithromycin or amoxicillin plus azithromycin are recommended first-line treatments, by using 8 N...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28819642/from-the-generalized-reflection-law-to-the-realization-of-perfect-anomalous-reflectors
#2
Ana Díaz-Rubio, Viktar S Asadchy, Amr Elsakka, Sergei A Tretyakov
The use of the generalized Snell's law opens wide possibilities for the manipulation of transmitted and reflected wavefronts. However, known structures designed to shape reflection wavefronts suffer from significant parasitic reflections in undesired directions. We explore the limitations of the existing solutions for the design of passive planar reflectors and demonstrate that strongly nonlocal response is required for perfect performance. A new paradigm for the design of perfect reflectors based on energy surface channeling is introduced...
August 2017: Science Advances
https://www.readbyqxmd.com/read/28818719/green-approach-for-one-pot-synthesis-of-silver-nanorod-using-cellulose-nanocrystal-and-their-cytotoxicity-and-antibacterial-assessment
#3
Th I Shaheen, Amr Fouda
Herein, this research addresses an innovative approach for one-pot synthesis of highly stabilized silver nanorods in powder form at concentration as high as feasible to be proposed in large-scale production via cellulose nanocrystals (CNC). For the first time, CNC without any surface modification in the presence of alkali is acting as both reducing and stabilizing agent for assembling of Ag nanorods. Extraction of CNC from cotton is carried out as per to acid hydrolysis technique. Thorough assessments of Ag nanorods formation, structural and morphological characteristics of Ag nanorods were investigated by making use of UV-vis spectroscopy, TEM, DLS, AFM and X-ray diffraction(XRD) analysis...
August 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28815847/mastitis-treatment-reduction-in-antibiotic-usage-in-dairy-cows
#4
REVIEW
V Krömker, S Leimbach
Animal-friendly, economical, resource-saving milk production provides the basis for sustained consumer acceptance. Bovine mastitis plays a decisive role in the dairy industry-disturbing animal health and welfare and causing considerable economic losses on the other hand. Currently, antimicrobial treatment is indispensable to keep bovine udder health, animal welfare and economic aspects in balance. On the contrary, emergence and spread of antimicrobial resistance (AMR) is an urgent matter of particular public interest, and as a consequence, antimicrobial usage (AMU) in production livestock is a critically discussed subject...
August 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28814242/antimicrobial-peptides-a-promising-therapeutic-strategy-in-tackling-antimicrobial-resistance
#5
Ramya Nuti, Sridhar Goud, A Prasanth Saraswati, Ravi Alvala, Mallika Alvala
BACKGROUND: Antimicrobial resistance (AMR) has posed a serious threat to global public health and it requires immediate action, preferably long term. Current drug therapies have failed to curb this menace due to the ability of microbes to circumvent the mechanisms through which the drugs act. From the drug discovery point of view, the majority of drugs currently employed for antimicrobial therapy are small molecules. Recent trends reveal a surge in the use of peptides as drug candidates as they offer remarkable advantages over small molecules...
August 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28810864/molecular-determination-of-antimicrobial-resistance-in-escherichia-coli-isolated-from-raw-meat-in-addis-ababa-and-bishoftu-ethiopia
#6
Yohannes Equar Messele, Reta Duguma Abdi, Shimels Tikuye Yalew, Desiye Tesfaye Tegegne, Bezina Arega Emeru, Gebremeskel Mamu Werid
BACKGROUND: Consumption of meat contaminated by E. coli causes a serious illness and even death to affected individuals. Recently the emerging of antibiotic resistant foodborne E. coli poses serious public health risks worldwide. However, little is known about the antibiotic resistance profile of E. coli in Ethiopia. This study aimed to determine the prevalence and Antimicrobial resistance (AMR) status of E. coli isolated from different type of meat. METHODS: Overall 292 samples were collected from December 2015 to April 2016 from slaughterhouses to determine the prevalence and AMR of E...
August 15, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28809034/microct-imaging-on-living-alligator-teeth-reveals-natural-tooth-cycling
#7
Randall B Widelitz, Alaa Abdelhamid, M Khalil Khan, Amr Elkarargy, Cheng-Ming Chuong, Ping Wu
To study tooth cycling in polyphyodont animals, we chose to work on alligators. Alligators have teeth in three phases of development at each tooth location. This assembly of three teeth is called a tooth family unit. As part of the study, in order to study tooth cycling in alligators, we wanted to know the configuration of the tooth family unit in every tooth position. From the surface of the mouth, this is difficult to assess. Therefore, we decided to use MicroCT which can image X-ray dense materials providing a three-dimensional view...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28808486/the-saudi-thoracic-society-guidelines-for-diagnosis-and-management-of-noncystic-fibrosis-bronchiectasis
#8
Hamdan Al-Jahdali, Abdullah Alshimemeri, Abdullah Mobeireek, Amr S Albanna, Nehad N Al Shirawi, Siraj Wali, Khaled Alkattan, Abdulrahman A Alrajhi, Khalid Mobaireek, Hassan S Alorainy, Mohamed S Al-Hajjaj, Anne B Chang, Stefano Aliberti
This is the first guideline developed by the Saudi Thoracic Society for the diagnosis and management of noncystic fibrosis bronchiectasis. Local experts including pulmonologists, infectious disease specialists, thoracic surgeons, respiratory therapists, and others from adult and pediatric departments provided the best practice evidence recommendations based on the available international and local literature. The main objective of this guideline is to utilize the current published evidence to develop recommendations about management of bronchiectasis suitable to our local health-care system and available resources...
July 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28807835/the-role-of-antimicrobial-stewardship-programmes-in-children-a-systematic-review
#9
REVIEW
André Ricardo Araujo da Silva, Déborah Cardoso Albernaz de Almeida Dias, Amanda Fáris Marques, Clara Biscaia di Biase, Indah K Murni, Angela Dramowski, Mike Sharland, Johanes Huebner, Walter Zingg
The United Nations and the World Health Organization have designated antimicrobial resistance (AMR) as a major health priority and developed action plans to reduce AMR in all healthcare settings. Establishment of institutional antimicrobial stewardship programmes (ASPs) is advocated as a key intervention to reduce antibiotic consumption in hospitals and address high rates of multi-drug resistant (MDR) bacteria. We searched PUBMED and the Cochrane database of systematic reviews (1/2007-3/2017) to identify studies reporting about the effectiveness of ASPs in general paediatric wards and paediatric intensive care units (PICU), on reducing antibiotic consumption, on using broad spectrum/restricted antibiotics, and on antibiotic resistance and healthcare-associated infections (HAIs)...
August 11, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28803233/comprehensive-analysis-of-the-chemical-composition-and-in-vitro-cytotoxic-mechanisms-of-pallines-spinosa-flower-and-leaf-essential-oils-against-breast-cancer-cells
#10
Ayman M Saleh, Mahmoud A Al-Qudah, Amre Nasr, Sayed A Rizvi, Anwar Borai, Mustafa Daghistani
BACKGROUND/AIMS: In our quest for new natural anticancer agents, we studied the cytotoxicity of the essential oils extracted from flowers and leaves of Pallines spinosa. METHODS: The essential oils were extracted by hydrodistillation and solid phase microextraction (SPME) from flowers and leaves of the plant and their composition was determined by GC/GC-MS. The cytotoxicity of the oils was evaluated against MCF-7 and MDA-MB-231 breast adenocarcinomas, and the non-cancerous MCF-10-2A cells, using a flow cytometry-based assay Apoptosis was evaluated by flow cytometry, nuclear staining, caspases activation, and Western blotting techniques, and cell cycle by measuring DNA contents...
August 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28802274/horizontal-dissemination-of-antimicrobial-resistance-determinants-in-multiple-salmonella-serotypes-following-isolation-from-the-environment-of-commercial-swine-operations-after-manure-application
#11
Suchawan Pornsukarom, Siddhartha Thakur
The aim of this study was to characterize the plasmids carrying antimicrobial resistance (AMR) determinants in multiple Salmonella serotypes recovered from the commercial swine farms environment after manure application on land. Manure and soil samples were collected on day0 before and after manure application on six farms in North Carolina and sequential soil samples were recollected on day7, 14, and 21 from the same plots. All environmental samples were processed for Salmonella and their plasmid contents were further characterized...
August 11, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28802203/disentangling-the-origins-of-virophages-and-polintons
#12
REVIEW
Samuel Campbell, Amr Aswad, Aris Katzourakis
Virophages and polintons are part of a complex system that also involves eukaryotes, giant viruses, as well as other viruses and transposable elements. Virophages are cosmopolitan, being found in environments ranging from the Amazon River to Antarctic hypersaline lakes, while polintons are found in many single celled and multicellular eukaryotes. Virophages and polintons have a shared ancestry, but their exact origins are unknown and obscured by antiquity and extensive horizontal gene transfer (HGT). Paleovirology can help disentangle the complicated gene flow between these two, as well as their giant viral and eukaryotic hosts...
August 9, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28802168/impact-of-hepatitis-b-vaccination-on-hbsag-kinetics-interferon-inducible-protein-10-level-and-recurrence-of-viremia
#13
Amr Shaaban Hanafy
BACKGROUND AND AIMS: Persistent HBs antigenemia >1000IU/ml has a possibility of viral reactivation and HCC in 8%, so we investigated the effect of HBV vaccine on HBsAg, IP-10, and recurrence of viremia. METHODS: Group I: inactive carriers(n=100). Group II: CHB exposed to nucleos(t)ides (n=120) till 1year after HBe seroconversion and HBV DNA disappearance in HBeAg positive (n=60) or3years after DNA disappearance in HBeAg negativepatients (n=60). All showed persistent HBs antigenemia...
August 9, 2017: Cytokine
https://www.readbyqxmd.com/read/28800594/species-identification-and-molecular-typing-of-human-brucella-isolates-from-kuwait
#14
Abu S Mustafa, Nazima Habibi, Amr Osman, Faraz Shaheed, Mohd W Khan
Brucellosis is a zoonotic disease of major concern in Kuwait and the Middle East. Human brucellosis can be caused by several Brucella species with varying degree of pathogenesis, and relapses are common after apparently successful therapy. The classical biochemical methods for identification of Brucella are time-consuming, cumbersome, and provide information limited to the species level only. In contrast, molecular methods are rapid and provide differentiation at intra-species level. In this study, four molecular methods [16S rRNA gene sequencing, real-time PCR, enterobacterial repetitive intergenic consensus (ERIC)-PCR and multilocus variable-number tandem-repeat analysis (MLVA)-8, MLVA-11 and MLVA-16 were evaluated for the identification and typing of 75 strains of Brucella isolated in Kuwait...
2017: PloS One
https://www.readbyqxmd.com/read/28798873/a-novel-viral-lineage-distantly-related-to-herpesviruses-discovered-within-fish-genome-sequence-data
#15
Amr Aswad, Aris Katzourakis
Pathogenic viruses represent a small fraction of viral diversity, and emerging diseases are frequently the result of cross-species transmissions. Therefore, we need to develop high-throughput techniques to investigate a broader range of viral biodiversity across a greater number of species. This is especially important in the context of new practices in agriculture that have arisen to tackle the challenges of global food security, including the rising number of marine and freshwater species that are used in aquaculture...
July 2017: Virus Evolution
https://www.readbyqxmd.com/read/28794527/the-effect-of-addition-of-dexamethasone-to-levobupivacaine-in-parturients-receiving-combined-spinal-epidural-for-analgesia-for-vaginal-delivery
#16
Amr Samir Wahdan, Ahmed Ibrahim El-Sakka, Hassan Mostafa Ismail Gaafar
BACKGROUND AND AIMS: Regional analgesia is commonly used for the relief of labour pain, Prolongation of analgesia can be achieved by adjuvant medications. The aim of this randomised controlled trial was to evaluate the efficacy of intrathecal levobupivacaine with dexamethasone for labour analgesia. METHODS: A total of 80 females were included in this study, all were primigravidas undergoing vaginal delivery with cervical dilatation ≥4 cm and 50% or more effacement...
July 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28792635/favorable-results-in-abo-incompatible-renal-transplantation-without-b-cell-targeted-therapy-advantages-and-disadvantages-of-rituximab-pretreatment
#17
Manabu Okada, Yoshihiko Watarai, Kenta Iwasaki, Kenta Murotani, Kenta Futamura, Takayuki Yamamoto, Takahisa Hiramitsu, Makoto Tsujita, Norihiko Goto, Shunji Narumi, Asami Takeda, Kunio Morozumi, Kazuharu Uchida, Takaaki Kobayashi
The effectiveness of desensitization with rituximab in ABO-incompatible renal transplantation (ABO-I) has been widely reported. However, ABO-I outcomes are still worse than those of ABO-identical or ABO-compatible renal transplantation (ABO-Id/C). We retrospectively examined the outcomes in consecutive living donor ABO-Id/C (n = 412) and ABO-I (n = 205) cases to elucidate the causes of inferiority in ABO-I. ABO-I cases included recipients treated with rituximab (RIT, n = 131), splenectomy (SPX, n = 21), or neither because of low anti-A/B antibody titers (NoR/S, n = 53)...
August 9, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28792105/transcutaneous-posterior-tibial-nerve-electrostimulation-with-low-dose-trospium-chloride-could-it-be-used-as-a-second-line-treatment-of-overactive-bladder-in-females
#18
Amr Abulseoud, Ahmed Moussa, Gaber Abdelfattah, Ibrahim Ibrahim, Emmanuel Saba, Mohamed Hassouna
AIM: To evaluate the effect of adding low dose trospium chloride with transcutaneous posterior tibial nerve stimulation (TPTNS) in the treatment of overactive bladder (OAB) in females after failure of behavioral therapy. METHODS: We randomized 30 women with OAB, in two groups: G I received 30 min TPTNS, three times a week; GII received TPTNS plus 20 mg trospium chloride daily. OAB Symptom Score questionnaire (OABSS), Incontinence Impact Questionnaire-short form 7 (IIQ-7), 3 day voiding diary and urodynamics at weeks 0 and 8 were evaluated...
August 9, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28790888/amyloid-%C3%AE-1-42-a%C3%AE-1-42-induces-the-cdk2-mediated-phosphorylation-of-tau-through-the-activation-of-the-mtorc1-signaling-pathway-while-promoting-neuronal-cell-death
#19
Ki Hoon Lee, Sei-Jung Lee, Hyun Jik Lee, Gee Euhn Choi, Young Hyun Jung, Dah Ihm Kim, Amr Ahmed Gabr, Jung Min Ryu, Ho Jae Han
Alzheimer's disease (AD) is a neurodegenerative disorder, characterized by cognitive impairment and memory loss. Amyloid β1-42 (Aβ) and hyper-phosphorylation of microtubule-associated protein tau have been considered as major histological features in AD. However, the mechanism of how Aβ induces the hyper-phosphorylation of tau remains to be clarified. In the present study, we investigated the underlying cellular mechanisms of Aβ with regard to the cell cycle regulatory protein-mediated phosphorylation of tau in promoting neuronal cell death...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28790127/t1-map-of-post-myocardial-infarction-for-precise-tissue-characterization
#20
EDITORIAL
Amr A Youssef, Phillip C Yang
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Imaging
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