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https://www.readbyqxmd.com/read/28811799/diversity-physiochemical-and-phylogenetic-analyses-of-bacteria-isolated-from-various-drinking-water-sources
#1
Neveen H Eid, Huda A Al Doghaither, Taha A Kumosani, Munazza Gull
OBJECTIVE: To evaluate the indigenous bacterial strains of drinking water from the most commercial water types including bottled and filtered water that are currently used in Saudi Arabia. METHODS: Thirty randomly selected commercial brands of bottled water were purchased from Saudi local markets. Moreover, samples from tap water and filtered water were collected in sterilized glass bottles and stored at 4°C. Biochemical analyses including pH, temperature, lactose fermentation test (LAC), indole test (IND), methyl red test (MR), Voges-Proskauer test (VP), urease test (URE), catalase test (CAT), aerobic and anaerobic test (Ae/An) were measured...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811665/optimization-of-storage-temperature-for-retention-of-undifferentiated-cell-character-of-cultured-human-epidermal-cell-sheets
#2
Catherine J Jackson, Sjur Reppe, Jon R Eidet, Lars Eide, Kim A Tønseth, Linda H Bergersen, Darlene A Dartt, May Griffith, Tor P Utheim
Cultured epidermal cell sheets (CES) containing undifferentiated cells are useful for treating skin burns and have potential for regenerative treatment of other types of epithelial injuries. The undifferentiated phenotype is therefore important for success in both applications. This study aimed to optimize a method for one-week storage of CES for their widespread distribution and use in regenerative medicine. The effect of storage temperatures 4 °C, 8 °C, 12 °C, 16 °C, and 24 °C on CES was evaluated...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28799892/the-impact-of-socio-cultural-factors-on-transmission-of-taenia-spp-and-echinococcus-granulosus-in-kosovo
#3
M Alishani, K Sherifi, A Rexhepi, A Hamidi, M T Armua-Fernandez, F Grimm, D Hegglin, P Deplazes
Echinococcus granulosus sensu latu (s.l.) and Taenia hydatigena are common parasites of ruminant intermediate hosts in the Balkans. Transmission is linked mainly to home slaughtering and the feeding of infected organs to dogs. In Kosovo, many old sheep are slaughtered particularly during Eid al-Adha (Feast of Sacrifice). To determine whether this tradition could affect parasite transmission, we compared the probability of 504 dogs to contract taenid infections after deworming during one period before Eid al-Adha and a similar period beginning with this event...
August 11, 2017: Parasitology
https://www.readbyqxmd.com/read/28799879/the-pathophysiology-of-chronic-noncommunicating-hydrocephalus-lessons-from-continuous-intracranial-pressure-monitoring-and-ventricular-infusion-testing
#4
Per Kristian Eide
OBJECTIVE The pathophysiology of chronic noncommunicating hydrocephalus (ncHC) is poorly understood. This present study explored whether lessons about the pathophysiology of this clinical entity might be retrieved from results of overnight monitoring of pulsatile and static intracranial pressure (ICP) and ventricular infusion testing. METHODS The study cohort included adult patients (> 20 years of age) with chronic ncHC due to aqueductal stenosis in whom symptoms had lasted a minimum of 6 months. A reference cohort consisted of age- and sex-matched patients managed for communicating HC (cHC)...
August 11, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28799825/progress-toward-elimination-of-perinatal-hiv-transmission-in-kenya-analysis-of-early-infant-diagnosis-data
#5
Dunstan Achwoka, Justin Mandala, Mutugi Muriithi, Yanwu Zeng, Mario Chen, Rebecca Dirks, Martin Sirengo, Rose Wafula, Kwasi Torpey
Interrupting vertical transmission of HIV from mothers to infants provides opportunity to transform the HIV/AIDS epidemic by eliminating new infections among children. We estimate mother-to-child transmission rates of infants born to known HIV-positive mothers offered prevention of mother-to-child transmission interventions and provide an indication of Kenya's progress toward elimination of perinatal transmission. We obtained from the Kenya National Early Infant Diagnosis (EID) database, all 131,451 DNA polymerase chain reaction test results of HIV-exposed infants aged 0-18 months who had dried blood spot samples taken between January 2008 and October 2013...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28796791/evaluating-turnaround-times-for-early-infant-diagnosis-samples-in-kenya-from-2011-2014-a-retrospective-analysis-of-hitsystem-program-data
#6
Catherine Wexler, An-Lin Cheng, Brad Gautney, Sarah Finocchario-Kessler, Kathy Goggin, Samoel Khamadi
Long turnaround times (TAT) for the processing and posting of results of infant HIV DNA PCR samples can hinder the success of early infant diagnosis (EID) programs. The HITSystem is an eHealth intervention that alerts staff when services are overdue or results are delayed. We conducted a retrospective analysis of 3669 HIV-exposed infants enrolled in 15 Kenya hospital EID programs and three laboratories using the HITSystem from 2011-2014. We assessed mean and median TAT from when a sample was: 1) obtained to when it was shipped to the laboratory, 2) shipped to when it was received at the laboratory, 3) received to when a result was posted, and 4) the total time from obtaining the sample (step 1) to posting the result (step 3)...
2017: PloS One
https://www.readbyqxmd.com/read/28796565/ultrastructural-changes-of-kidney-in-schistosoma-mansoni-infected-mice
#7
Refaat A Eid, Mubarak Al-Shraim, Fahmy El-Sayed, Khaled Radad
Schistosomiasis is the second threatening parasitic disease after malaria and among Schistosoma spp., Schistosoma mansoni (S. mansoni) affects about 100 million people in tropic regions in Africa and South America. The current study was carried out to investigate ultrastructural changes of the kidney in mice infected with cercariae of S. mansoni, in which 20 Swiss albino mice of 60-day-old were assigned into two groups (10 each). Control group received 1 ml normal saline by intraperitoneal route. Model group were intraperitoneally infected with 1 ml normal saline containing 40 cercariae of S...
August 10, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28768442/differences-in-medical-services-in-nordic-general-practice-a-comparative-survey-from-the-qualicopc-study
#8
Torunn Bjerve Eide, Jørund Straand, Cecilia Björkelund, Elise Kosunen, Ofeigur Thorgeirsson, Peter Vedsted, Elin Olaug Rosvold
OBJECTIVE: We aim to describe medical services provided by Nordic general practitioners (GPs), and to explore possible differences between the countries. DESIGN AND SETTING: We did a comparative analysis of selected data from the Nordic part of the study Quality and Costs of Primary Care in Europe. SUBJECTS: 875 Nordic GPs (198 Norwegian, 80 Icelandic, 97 Swedish, 212 Danish and 288 Finnish) answered identical questionnaires regarding their practices...
August 3, 2017: Scandinavian Journal of Primary Health Care
https://www.readbyqxmd.com/read/28767616/impact-of-birth-hiv-pcr-testing-on-the-uptake-at-follow-up-early-infant-diagnosis-services-in-cape-town-south-africa
#9
Lorna Dunning, Max Kroon, Lezanne Fourie, Andrea Ciaranello, Landon Myer
INTRODUCTION: PCR testing at birth ('birth-testing') is suggested by new World Health Organization guidelines for rapid diagnosis of infants infected with HIV in utero. However, there are few data on the implementation of this approach in sub-Saharan Africa and whether birth-testing affects uptake of subsequent routine early infant diagnosis (EID) testing at 6-10 weeks of age is unknown. METHODS: We reviewed 575 consecutive infants undergoing targeted high-risk birth-testing in Cape Town, South Africa, and matched those testing HIV-negative at birth (n=551) to HIV-exposed infants who did not receive birth-testing (n=551)...
July 27, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28765480/tuberculosis-presenting-as-broncho-oesophageal-fistula-in-a-young-healthy-man
#10
Ahmed Sayeed, Eid Humaid Alqurashi, Adnan B Alzanbagi, Nabil Abdulwadod Badr Ghaleb
A 21-year-old Saudi man presented with a history of dysphagia and choking. CT scan of the chest showed clear evidence of chronic recurrent aspiration pneumonia in the left lung. It also showed a fistula connecting the left main bronchus to the oesophagus. Endoscopy showed clear opening on the oesophageal side. Bronchoscopy also confirmed the presence of a broncho-oesophageal fistula on the left bronchial side with the presence of secretions on swallowing. Bronchoalveolar lavage (BAL) was done and sent for mycobacterial tuberculosis culture...
July 31, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28765091/lead-exposure-and-tau-hyperphosphorylation-an-in-vitro-study
#11
Syed Waseem Bihaqi, Aseel Eid, Nasser H Zawia
The presence of fibrillary lesions, which are mainly composed of the microtubule associated protein tau (MAPT) in neurons, has gained immense recognition due to their presence in numerous neurodegenerative diseases, including Alzheimer's disease (AD). Dysregulation of tau is related with its altered site-specific phosphorylation which is followed by tau polymerization, neuronal dysfunction and death. Previous reports by us suggest that molecular alterations favor abundant tau phosphorylation and immunoreactivity in the frontal cortex of aged primates and rodents with past exposure to lead (Pb)...
July 29, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28754650/modeling-patient-treatment-with-medical-records-an-abstraction-hierarchy-to-understand-user-competencies-and-needs
#12
Justin D St-Maurice, Catherine M Burns
BACKGROUND: Health care is a complex sociotechnical system. Patient treatment is evolving and needs to incorporate the use of technology and new patient-centered treatment paradigms. Cognitive work analysis (CWA) is an effective framework for understanding complex systems, and work domain analysis (WDA) is useful for understanding complex ecologies. Although previous applications of CWA have described patient treatment, due to their scope of work patients were previously characterized as biomedical machines, rather than patient actors involved in their own care...
July 28, 2017: JMIR Human Factors
https://www.readbyqxmd.com/read/28753389/feasibility-of-dose-reduced-chest-ct-with-photon-counting-detectors-initial-results-in-humans
#13
Rolf Symons, Amir Pourmorteza, Veit Sandfort, Mark A Ahlman, Tracy Cropper, Marissa Mallek, Steffen Kappler, Stefan Ulzheimer, Mahadevappa Mahesh, Elizabeth C Jones, Ashkan A Malayeri, Les R Folio, David A Bluemke
Purpose To investigate whether photon-counting detector (PCD) technology can improve dose-reduced chest computed tomography (CT) image quality compared with that attained with conventional energy-integrating detector (EID) technology in vivo. Materials and Methods This was a HIPAA-compliant institutional review board-approved study, with informed consent from patients. Dose-reduced spiral unenhanced lung EID and PCD CT examinations were performed in 30 asymptomatic volunteers in accordance with manufacturer-recommended guidelines for CT lung cancer screening (120-kVp tube voltage, 20-mAs reference tube current-time product for both detectors)...
July 28, 2017: Radiology
https://www.readbyqxmd.com/read/28748873/apoptosis-of-rat-renal-cells-by-organophosphate-pesticide-quinalphos-ultrastructural-study
#14
Refaat A Eid
Quinalphos or Ekalux, an organophosphate pesticide, is used in controlling the pests of a variety of crops. Quinalphos was studied on male Sprague-Dawley albino rats. The acute po LD50 of technical Ekalux was 19.95 mg/kg in males. Ekalux, produced several pathological changes in the kidney. A glomerulus demonstrated capillary lumina occluded by degenerated cellular debris. Basement membrane showed irregular wrinkling and branching. The proximal tubular cells showed damage such as dilation of endoplasmic reticulum, accumulation of glycogen granules, and pyknotic nucleus...
July 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28743636/valproate-increases-dopamine-transporter-expression-through-histone-acetylation-and-enhanced-promoter-binding-of-nurr1
#15
Ashley L Green, Le Zhan, Aseel Eid, Helmut Zarbl, Grace L Guo, Jason R Richardson
The dopamine transporter (DAT) is the key regulator of dopaminergic transmission and is a target of several xenobiotics, including pesticides and pharmacological agents. Previously, we identified a prominent role for histone deacetylases in the regulation of DAT expression. Here, we utilized a rat dopaminergic cell line (N27) to probe the responsiveness of DAT mRNA expression to inhibitors of histone acetylation. Inhibition of histone deacetylases (HDACs) by valproate, butyrate and Trichostatin A led to a 3-10-fold increase in DAT mRNA expression, a 50% increase in protein levels, which were accompanied by increased H3 acetylation levels...
July 22, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28743573/loading-of-chitosan-nano-metal-oxide-hybrids-onto-cotton-polyester-fabrics-to-impart-permanent-and-effective-multifunctions
#16
Nabil A Ibrahim, Basma M Eid, Eman Abd El-Aziz, Tarek M Abou Elmaaty, Shaimaa M Ramadan
New and durable multifunctional properties of cotton/polyester blended fabrics were developed through loading of chitosan (Cs) and various metal oxide nanoparticles (MONPs) namely ZnO, TiO2, and SiO2 onto fabric surface using citric acid/Sodium hypophosphite for ester-crosslinking and creating new anchoring and binding sites, COOH groups, onto the ester-crosslinked fabrics surface. The surface morphology and the presence of active ingredients (Cs & MONPs) onto selected - coated fabric samples were analyzed by SEM images and confirmed by EDS spectrums...
July 22, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28742968/enhancing-the-elasticity-of-ultrathin-single-wall-carbon-nanotube-films-with-colloidal-nanocrystals
#17
Meshal Alzaid, Joseph Roth, Yuezhou Wang, Eid Almutairi, Samuel L Brown, Traian Dumitrică, Erik K Hobbie
Thin bilayers of contrasting nanomaterials are ubiquitous in solution-processed electronic devices and have potential relevance to a number of applications in flexible electronics. Motivated by recent mesoscopic simulations demonstrating synergistic mechanical interactions between thin films of single-wall carbon nanotubes (SWCNTs) and spherical nanocrystal (NC) inclusions, we use a thin-film wrinkling approach to query the compressive mechanics of hybrid nanotube/nanocrystal coatings adhered to soft polymer substrates...
August 1, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28737413/explaining-general-and-specific-factors-in-longitudinal-multimethod-and-bifactor-models-some-caveats-and-recommendations
#18
Tobias Koch, Jana Holtmann, Johannes Bohn, Michael Eid
An increasing number of psychological studies are devoted to the analysis of g-factor structures. One key purpose of applying g-factor models is to identify predictors or potential causes of the general and specific effects. Typically, researchers relate predictor variables directly to the general and specific factors using a classical mimic approach. However, this procedure bears some methodological challenges, which often lead to model misspecification and biased parameter estimates. We propose 2 possible modeling strategies to circumvent these problems: the multiconstruct bifactor and the residual approach...
July 24, 2017: Psychological Methods
https://www.readbyqxmd.com/read/28735912/sex-and-age-differences-in-the-associations-between-sleep-behaviors-and-all-cause-mortality-in-older-adults-results-from-the-national-health-and-nutrition-examination-surveys
#19
Hind A Beydoun, May A Beydoun, Xiaoli Chen, Jen Jen Chang, Alyssa A Gamaldo, Shaker M Eid, Alan B Zonderman
OBJECTIVE: Our aim was to examine sex- and age-specific relationships of sleep behaviors with all-cause mortality rates. METHODS: A retrospective cohort study was conducted among 5288 adults (≥50 years) from the 2005-2008 National Health and Nutrition Examination Surveys who were followed-up for 54.9 ± 1.2 months. Sleep duration was categorized as < 7 h, 7-8 h and >8 h. Two sleep quality indices were generated through factor analyses. 'Help-seeking behavior for sleep problems' and 'diagnosis with sleep disorders' were defined as yes/no questions...
August 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28733455/e3-ubiquitin-ligase-nedd4-induces-endocytosis-and-lysosomal-sorting-of-connexin43-to-promote-loss-of-gap-junctions
#20
Max Z Totland, Christian H Bergsland, Tone A Fykerud, Lars M Knudsen, Nikoline L Rasmussen, Peter W Eide, Zeremariam Yohannes, Vigdis Sørensen, Andreas Brech, Ragnhild A Lothe, Edward Leithe
Intercellular communication via gap junctions has an important role in controlling cell growth and in maintaining tissue homeostasis. Connexin43 is the most abundantly expressed gap junction channel protein in humans and acts as a tumor suppressor in multiple tissue types. Connexin43 is often dysregulated at the post-translational level during cancer development, resulting in loss of gap junctions. However, the molecular basis underlying the aberrant regulation of connexin43 in cancer cells has remained elusive...
July 21, 2017: Journal of Cell Science
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