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https://www.readbyqxmd.com/read/28806866/molecular-screening-and-single-nucleotide-polymorphism-typing-of-molluscum-contagiosum-virus-mcv-from-genital-specimens-between-2012-and-2015
#1
Sedigheh Taghinezhad-S, Amir Hossein Mohseni, Hossein Keyvani, Narges Ghobadi
Background: The present study is the first comprehensive report of the Molluscum contagiosum virus (MCV) in Iran based on the molecular technique for differentiation and typing of the MCV1 and MCV2. Methods: Patients were diagnosed as having tumor-like genital warts less than 5 mm in diameter, and HIV seronegative samples were chosen for this cross-sectional study. TaqMan real-time PCR was used to identify MCV following clinical examination. Typing of the MCV-positive specimens was performed in the SNP A27451G region of MC021L gene...
August 15, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28806828/-prophylactic-plexus-catheter-treatment-in-operations-following-complex-regional-pain-syndrome-crps
#2
Florian Neubrech, Roderick Franciscus Pronk, Amir Khosrow Bigdeli, Christian Tapking, Ulrich Kneser, Leila Harhaus
Background This paper investigates and discusses the effect of perioperative plexus catheter treatment in former CRPS patients. Patients and Methods A retrospective matched-pair analysis was conducted on 10 CRPS patients with comparable injuries, who underwent surgery in the disease-free interval. In 10 cases, the procedure was performed with perioperative plexus catheter treatment (intervention group), whereas 10 patients did not receive perioperative plexus catheter treatment (control group). Results In the intervention group, after a follow-up time of 105 (20-184) days after the last surgical procedure, pain intensity on the visual analogue scale (VAS; 0 to 10) was 6...
August 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28806785/adherence-to-ivermectin-is-more-associated-with-perceptions-of-community-directed-treatment-with-ivermectin-organization-than-with-onchocerciasis-beliefs
#3
Fanny Nadia Dissak-Delon, Guy-Roger Kamga, Perrine Claire Humblet, Annie Robert, Jacob Souopgui, Joseph Kamgno, Marie José Essi, Stephen Mbigha Ghogomu, Isabelle Godin
BACKGROUND: The fight against onchocerciasis in Africa has boomed thanks to the Community Directed Treatment with Ivermectin (CDTI) program. However, in Cameroon, after more than 15 years of mass treatment, onchocerciasis prevalence is still above the non-transmission threshold. This study aimed to explore a possible association between people's beliefs/perceptions of onchocerciasis and of CDTI program, and their adherence to ivermectin in three regions of Cameroon. METHODOLOGY/PRINCIPAL FINDINGS: A cross sectional survey was carried out in three health districts with persistent high onchocerciasis prevalence...
August 14, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28806784/structural-analysis-of-p-falciparum-kahrp-and-pfemp1-complexes-with-host-erythrocyte-spectrin-suggests-a-model-for-cytoadherent-knob-protrusions
#4
Erin E Cutts, Niklas Laasch, Dirk M Reiter, Raphael Trenker, Leanne M Slater, Phillip J Stansfeld, Ioannis Vakonakis
Plasmodium falciparum Erythrocyte Membrane Protein 1 (PfEMP1) and Knob-associated Histidine-rich Protein (KAHRP) are directly linked to malaria pathology. PfEMP1 and KAHRP cluster on protrusions (knobs) on the P. falciparum-infected erythrocyte surface and enable pathogenic cytoadherence of infected erythrocytes to the host microvasculature, leading to restricted blood flow, oxygen deprivation and damage of tissues. Here we characterize the interactions of PfEMP1 and KAHRP with host erythrocyte spectrin using biophysical, structural and computational approaches...
August 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28806765/pka-activity-is-essential-for-relieving-the-suppression-of-hyphal-growth-and-appressorium-formation-by-mosfl1-in-magnaporthe-oryzae
#5
Yang Li, Xue Zhang, Shuai Hu, Huiquan Liu, Jin-Rong Xu
In the rice blast fungus Magnaporthe oryzae, the cAMP-PKA pathway regulates surface recognition, appressorium turgor generation, and invasive growth. However, deletion of CPKA failed to block appressorium formation and responses to exogenous cAMP. In this study, we generated and characterized the cpk2 and cpkA cpk2 mutants and spontaneous suppressors of cpkA cpk2 in M. oryzae. Our results demonstrate that CPKA and CPK2 have specific and overlapping functions, and PKA activity is essential for appressorium formation and plant infection...
August 14, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28806691/mercury-contamination-level-and-speciation-inventory-in-lakes-titicaca-uru-uru-bolivia-current-status-and-future-trends
#6
S Guédron, D Point, D Acha, S Bouchet, P A Baya, E Tessier, M Monperrus, C I Molina, A Groleau, L Chauvaud, J Thebault, E Amice, L Alanoca, C Duwig, G Uzu, X Lazarro, A Bertrand, S Bertrand, C Barbraud, K Delord, F M Gibon, C Ibanez, M Flores, P Fernandez Saavedra, M E Ezpinoza, C Heredia, F Rocha, C Zepita, D Amouroux
Aquatic ecosystems of the Bolivian Altiplano (∼3800 m a.s.l.) are characterized by extreme hydro-climatic constrains (e.g., high UV-radiations and low oxygen) and are under the pressure of increasing anthropogenic activities, unregulated mining, agricultural and urban development. We report here a complete inventory of mercury (Hg) levels and speciation in the water column, atmosphere, sediment and key sentinel organisms (i.e., plankton, fish and birds) of two endorheic Lakes of the same watershed differing with respect to their size, eutrophication and contamination levels...
August 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28806676/occurrence-and-air-soil-exchange-of-organochlorine-pesticides-and-polychlorinated-biphenyls-at-a-cawnet-background-site-in-central-china-implications-for-influencing-factors-and-fate
#7
Lingxi Zhan, Tian Lin, Zuwu Wang, Zhineng Cheng, Gan Zhang, Xiaopu Lyu, Hairong Cheng
Ambient air and soil samples were collected between March 2012 and March 2013 at Jinsha, a regional background site in central China, to measure the concentrations of organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs). The average concentrations of total OCPs and total PCBs were 191 ± 107 and 39.4 ± 27.1 pg/m(3) in air (gaseous and particulate phase) and 0.585 ± 0.437 and 0.083 ± 0.039 ng/g in soil, respectively. The higher concentrations of p,p'-dichlorodiphenyltrichloroethane (p,p'-DDT) and p,p'-DDT/p,p'-DDE ratios in the soil indicated recent p,p'-DDT input to the soil...
August 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28806653/novel-microemulsion-based-gels-for-topical-delivery-of-indomethacin-formulation-physicochemical-properties-and-in-vitro-drug-release-studies
#8
Anna Froelich, Tomasz Osmałek, Agnieszka Snela, Paweł Kunstman, Barbara Jadach, Marta Olejniczak, Grzegorz Roszak, Wojciech Białas
HYPOTHESIS: Microemulsion-based semisolid systems may be considered as an interesting alternative to the traditional dosage forms applied in topical drug delivery. Mechanical properties of topical products are important both in terms of application and dosage form effectiveness. In this study we designed and evaluated novel microemulsion-based gels with indomethacin and analyzed the factors affecting their mechanical characteristics and drug release. EXPERIMENTS: The impact of the microemulsion composition on the extent of isotropic region was investigated with the use of pseudoternary phase diagrams...
August 4, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28806638/patient-preferences-and-extended-release-naltrexone-a-new-opportunity-to-treat-opioid-use-disorders-in-ukraine
#9
Ruthanne Marcus, Iuliia Makarenko, Alyona Mazhnaya, Alexei Zelenev, Maxim Polonsky, Lynn Madden, Sergii Filippovych, Sergii Dvoriak, Sandra A Springer, Frederick L Altice
BACKGROUND: Scaling up HIV prevention for people who inject drugs (PWID) using opioid agonist therapies (OAT) in Ukraine has been restricted by individual and structural factors. Extended-release naltrexone (XR-NTX), however, provides new opportunities for treating opioid use disorders (OUDs) in this region, where both HIV incidence and mortality continue to increase. METHODS: Survey results from 1613 randomly selected PWID from 5 regions in Ukraine who were currently, previously or never on OAT were analyzed for their preference of pharmacological therapies for treating OUDs...
August 5, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28806635/oryong-501-sinking-incident-in-the-bering-sea-international-dvi-cooperation-in-the-asia-pacific
#10
Nak-Eun Chung, Anton Castilani, Wilfredo E Tierra, Philip Beh, Mohd Shah Mahmood
On December 1st, 2014, the sinking of Oryong 501 occurred in the Bering Sea off the east coast of Russia. A total of 60 crew members, including 35 Indonesians, 13 Filipinos, 11 South Koreans and 1 Russian inspector were on board out of which only seven survived. Through an international rescue operation, the dead bodies of 27 were found and the remaining 26 crew are still missing. After transferring the dead bodies to the Busan Harbor in South Korea, the operation to identify the deceased began involving DVI teams from three countries: Korea, Indonesia and the Philippines...
August 2, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28806616/parvovirus-b19-integration-into-human-cd36-erythroid-progenitor-cells
#11
Tyler Janovitz, Susan Wong, Neal S Young, Thiago Oliveira, Erik Falck-Pedersen
The pathogenic autonomous human parvovirus B19 (B19V) productively infects erythroid progenitor cells (EPCs). Functional similarities between B19V nonstructural protein (NS1), a DNA binding endonuclease, and the Rep proteins of Adeno-Associated Virus (AAV) led us to hypothesize that NS1 may facilitate targeted nicking of the human genome and B19 vDNA integration. We adapted an integration capture sequencing protocol (IC-Seq) to screen B19V infected human CD36+ EPCs for viral integrants, and discovered 40,000 unique B19V integration events distributed throughout the human genome...
August 11, 2017: Virology
https://www.readbyqxmd.com/read/28806613/automatic-blood-vessels-segmentation-based-on-different-retinal-maps-from-octa-scans
#12
Nabila Eladawi, Mohammed Elmogy, Omar Helmy, Ahmed Aboelfetouh, Alaa Riad, Harpal Sandhu, Shlomit Schaal, Ayman El-Baz
The retinal vascular network reflects the health of the retina, which is a useful diagnostic indicator of systemic vascular. Therefore, the segmentation of retinal blood vessels is a powerful method for diagnosing vascular diseases. This paper presents an automatic segmentation system for retinal blood vessels from Optical Coherence Tomography Angiography (OCTA) images. The system segments blood vessels from the superficial and deep retinal maps for normal and diabetic cases. Initially, we reduced the noise and improved the contrast of the OCTA images by using the Generalized Gauss-Markov random field (GGMRF) model...
August 7, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28806605/phytochemistry-of-european-primula-species
#13
REVIEW
Paola S Colombo, Guido Flamini, Graziella Rodondi, Claudia Giuliani, Laura Santagostini, Gelsomina Fico
The genus Primula is the largest among the Primulaceae and is widespread mainly in the cold and temperate regions of the Northern Hemisphere. Since the beginning of the Twentieth century, several studies on the phytochemical composition of different species of Primula have been carried out. The main constituents examined were tissue and epicuticular flavonoids and saponins, which are of therapeutic significance. Only in recent years studies of the volatiles emitted by leaves and flowers have been carried out as well, but they are restricted to a small number of species...
August 11, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28806599/resting-state-functional-connectivity-of-the-anterior-striatum-and-prefrontal-cortex-predicts-reading-performance-in-school-age-children
#14
Sarael Alcauter, Liliana García-Mondragón, Zeus Gracia-Tabuenca, Martha B Moreno, Juan J Ortiz, Fernando A Barrios
The current study investigated the neural basis of reading performance in 60 school-age Spanish-speaking children, aged 6 to 9years. By using a data-driven approach and an automated matching procedure, we identified a left-lateralized resting state network that included typical language regions (Wernicke's and Broca's regions), prefrontal cortex, pre- and post-central gyri, superior and middle temporal gyri, cerebellum, and subcortical regions, and explored its relevance for reading performance (accuracy, comprehension and speed)...
August 11, 2017: Brain and Language
https://www.readbyqxmd.com/read/28806579/access-to-emergency-care-services-a-transversal-ecological-study-about-brazilian-emergency-health-care-network
#15
T A H Rocha, N C da Silva, P V Amaral, A C Q Barbosa, J V M Rocha, V Alvares, D G de Almeida, E Thumé, E B A F Thomaz, R C de Sousa Queiroz, M R de Souza, A Lein, N Toomey, C A Staton, J R N Vissoci, L A Facchini
OBJECTIVES: Studies of health geography are important in the planning and allocation of emergency health services. The geographical distribution of health facilities is an important factor in timely and quality access to emergency services; therefore, the present study analyzed the emergency health care network in Brazil, focusing the analysis at the roles of small hospitals (SHs). STUDY DESIGN: Cross-sectional ecological study. METHODS: Data were collected from 9429 hospitals of which 3524 were SHs and 5905 were high-complexity centers (HCCs)...
August 11, 2017: Public Health
https://www.readbyqxmd.com/read/28806577/prevalence-and-predictors-of-cardiac-and-liver-iron-overload-in-patients-with-thalassemia-a-multicenter-study-based-on-real-world-data
#16
Rungroj Krittayaphong, Vip Viprakasit, Pairash Saiviroonporn, Noppadol Siritanaratkul, Suvipaporn Siripornpitak, Arunotai Meekaewkunchorn, Thawatchai Kirawittaya, Pornpun Sripornsawan, Arunee Jetsrisuparb, Jiraporn Srinakarin, Peerapon Wong, Nuttaporntira Phalakornkul, Phakatip Sinlapamongkolkul, John Wood
Prevalence of cardiac and liver iron overload in patients with thalassemia in real-world practice may vary among different regions especially in the era of widely-used iron chelation therapy. The aim of this study was to determine the prevalence of cardiac and liver iron overload in and the management patterns of patients with thalassemia in real-world practice in Thailand. We established a multicenter registry for patients with thalassemia who underwent magnetic resonance imaging (MRI) as part of their clinical evaluation...
August 5, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28806553/thiacloprid-adsorption-and-leaching-in-soil-effect-of-the-composition-of-irrigation-solutions
#17
José Antonio Rodríguez-Liébana, M Dolores Mingorance, Aránzazu Peña
Pressure on groundwater resources has increased during the last decades due to the growing demand, especially in arid and semiarid regions, such as the Mediterranean basin, with frequent drought periods. In order to partially remediate this environmental problem of world concern, irrigation of agricultural lands with adequately treated wastewaters (TWW) is becoming a common management practice. The complex composition of these low-quality waters may influence the behavior of organic contaminants in soils. A calcareous soil with low organic carbon content was selected for the assessment of the adsorption and leaching of the neonicotinoid insecticide thiacloprid (THC)...
August 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28806540/cystadenoma-of-minor-salivary-gland-with-cervical-metastasis-benign-or-malignant
#18
Wen-Jie Wu, Ming-Wei Huang, Yan Gao, Jian-Guo Zhang
A cystadenoma originating in the salivary gland is a rare neoplasm that can originate from the major or minor salivary glands. Although this tumor has the potential to recur if it is incompletely excised, it has been regarded as a benign tumor because it has not been determined to be associated with local tissue destruction or metastasis. This report serves as an update to the current understanding of cystadenoma. The patient in this case study presented with a recurrent painless mass in her left retromolar and submandibular regions that had persisted for more than 2 years...
July 20, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28806514/phenolic-compounds-profiling-of-virgin-olive-oils-from-different-varieties-cultivated-in-mendoza-argentina-by-using-liquid-chromatography-mass-spectrometry
#19
R P Monasterio, L Olmo-García, A Bajoub, A Fernandez-Gutierrez, A Carrasco-Pancorbo
The aim of this work was to achieve a preliminary characterization of the profile of the phenolic fraction of virgin olive oils (VOOs) from Maipú (Mendoza, Argentina). Thus, 25 commercial VOO samples from Arauco, Arbequina, Picual, Frantoio, Changlot, Empeltre, Nevadillo, Manzanilla and Coratina (both monovarietals and blends) were analyzed using LC-ESI-QTOF MS and LC-ESI-IT MS for identification and quantification purposes, respectively. A rapid LC method (15 min) accomplished quantitative information about a total of 40 phenolic compounds, including secoiridoid derivatives, which have not been evaluated before in samples coming from the sub-region so-called Maipú (Mendoza province, Argentina)...
August 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28806510/reaction-between-pyridine-and-ch3nh3pbi3-_-surface-confined-reaction-or-bulk-transformation
#20
Xiaozhou Yu, Haoming Yan, Qing Peng
Pyridine molecules have been used to passivate the surface Pb2+ sites of CH3NH3PbI3, to recrystallize CH3NH3PbI3, and to bleach CH3NH3PbI3. These results contradict each other as recrystallization and optical-bleach require transformation of bulk CH3NH3PbI3, but surface passivation demands the confinement of the reaction at the surface region. The underlying mechanism for these seemly contradicting results are not yet understood. In this paper, we show, at 25 ºC, partial pressure of pyridine vapor is a determining factor for its reaction behaviors with CH3NH3PbI3: one can modify the surface region of CH3NH3PbI3 by using pyridine vapor of pressure 1...
August 14, 2017: Journal of Physical Chemistry. A
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