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https://www.readbyqxmd.com/read/28806749/defining-the-genetic-susceptibility-to-cervical-neoplasia-a-genome-wide-association-study
#1
Paul J Leo, Margaret M Madeleine, Sophia Wang, Stephen M Schwartz, Felicity Newell, Ulrika Kymmer, Kari Hemminki, Goran Hallmans, Sven Tiews, Winfried Steinberg, Janet S Rader, Felipe Castro, Mahboobeh Safaeian, Eduardo L Franco, François Coutlée, Claes Ohlsson, Adrian Cortes, Mhairi Marshall, Pamela Mukhopadhyay, Katie Cremin, Lisa G Johnson, Suzanne Garland, Sepehr N Tabrizi, Nicolas Wentzensen, Freddy Sitas, Julian Little, Maggie Cruickshank, Ian H Frazer, Allan Hildesheim, Matthew A Brown
A small percentage of women with cervical HPV infection progress to cervical neoplasia, and the risk factors determining progression are incompletely understood. We sought to define the genetic loci involved in cervical neoplasia and to assess its heritability using unbiased unrelated case/control statistical approaches. We demonstrated strong association of cervical neoplasia with risk and protective HLA haplotypes that are determined by the amino-acids carried at positions 13 and 71 in pocket 4 of HLA-DRB1 and position 156 in HLA-B...
August 14, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28806687/mineralization-defects-are-comparable-in-fluorotic-impacted-human-teeth-and-fluorotic-mouse-incisors
#2
Rozita Jalali, Franck Guy, Samaneh Ghazanfari, Don Lyaruu, Leo van Ruijven, Pamela DenBesten, Stefania Martignon, Gina Castiblanco, Antonius L J J Bronckers
OBJECTIVE: Fluoride excess of 0.05-0.07mgF/kgbw/day in water or food additives like salt is the principal cause of endemic dental fluorosis. How fluoride causes these defects is not clear yet. Recent studies in rodents suggest that development of enamel fluorosis is associated with insufficient neutralization of protons released during the formation of hypermineralized lines. DESIGN: Here we examined whether hypermineralization could also be assessed by MicroCT in developing molar enamel of humans exposed to fluoride...
July 29, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28806182/nilotinib-induced-ocular-toxicity-a-case-report
#3
Donald C Moore, Alaa Muslimani, Pamela Sinclair
No abstract text is available yet for this article.
August 8, 2017: American Journal of Therapeutics
https://www.readbyqxmd.com/read/28805285/unusual-case-of-tuberculous-meningitis-with-discordant-ventricular-and-lumbar-cerebrospinal-fluid-lessons-in-the-era-of-world-wide-migration
#4
Mirvat Said, Preena Uppal, Annie Bye, Pamela Palasanthiran
No abstract text is available yet for this article.
August 14, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28803714/building-capacity-for-active-surveillance-of-vaccine-adverse-events-in-the-americas-a-hospital-based-multi-country-network
#5
Pamela Bravo-Alcántara, Silvia Pérez-Vilar, Helvert Felipe Molina-León, Miriam Sturkenboom, Steven Black, Patrick L F Zuber, Christine Maure, Jose Luis Castro
New vaccines designed to prevent diseases endemic in low and middle-income countries are being introduced without prior utilization in countries with robust vaccine pharmacovigilance systems. Our aim was to build capacity for active surveillance of vaccine adverse events in the Americas. We describe the implementation of a proof-of-concept study for the feasibility of an international collaborative hospital-based active surveillance system for vaccine safety. The study was developed and implemented in 15 sentinel sites located in seven countries of the region of the Americas, under the umbrella of the World Health Organization (WHO) Global Vaccine Safety Initiative...
August 10, 2017: Vaccine
https://www.readbyqxmd.com/read/28802253/the-combination-of-metformin-and-valproic-acid-induces-synergistic-apoptosis-in-the-presence-of-p53-and-androgen-signaling-in-prostate-cancer
#6
Linh N K Tran, Ganessan Kichenadasse, Lisa M Butler, Margaret M Centenera, Katherine L Morel, Rebecca J Ormsby, Michael Z Michael, Karen M Lower, Pamela J Sykes
We investigated the potential of combining the hypoglycemic drug metformin (MET) and the anti-epileptic drug valproic acid (VPA), which act via different biochemical pathways, to provide enhanced anti-tumor responses in prostate cancer. Prostate cancer cell lines (LNCaP and PC-3), normal prostate epithelial cells (PrEC), and patient-derived prostate tumor explants were treated with MET and/or VPA. Proliferation and apoptosis were assessed. The role of p53 in response to MET+VPA was assessed in cell lines using RNA interference in LNCaP (p53(+)) and ectopic expression of p53 in PC-3 (p53(-))...
August 11, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28801981/pregnancy-outcomes-in-mothers-of-offspring-with-inherited-bone-marrow-failure-syndromes
#7
Neelam Giri, Helen D Reed, Pamela Stratton, Sharon A Savage, Blanche P Alter
BACKGROUND: Children with inherited bone marrow failure syndromes (IBMFSs) may be symptomatic in utero, resulting in maternal and fetal problems during the pregnancy. Subsequent pregnancies by their mothers should be considered "high risk". METHODS: We retrospectively analyzed outcomes of 575 pregnancies in 165 unaffected mothers of offspring with Fanconi anemia (FA), dyskeratosis congenita (DC), Diamond-Blackfan anemia (DBA), and Shwachman-Diamond syndrome (SDS) for events noted during pregnancy, labor, and delivery...
August 12, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28801805/pulmonary-cta-in-sickle-cell-patients-quantitative-assessment-of-enhancement-quality
#8
Jeff Jensen, Tony Lin, Elliot K Fishman, Pamela T Johnson
PURPOSE: The purpose of this study was to validate the observation that pulmonary artery (PA) enhancement is often decreased in sickle cell disease (SCD) patients imaged with MDCT for suspected pulmonary embolism and determine whether contrast infusion parameters are accountable for lower enhancement levels. MATERIALS AND METHODS: Retrospective comparison of 35 adult SCD patients imaged for suspected pulmonary embolism (PE) in our emergency department using 128-slice dual source MDCT scanner to 34 age and weight matched adult controls...
August 11, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28801748/molecular-and-phenotypic-characterization-of-transgenic-wheat-and-sorghum-events-expressing-the-barley-alanine-aminotransferase
#9
Pamela A Peña, Truyen Quach, Shirley Sato, Zhengxiang Ge, Natalya Nersesian, Ismail M Dweikat, Madhavan Soundararajan, Tom Clemente
The expression of a barley alanine aminotransferase gene impacts agronomic outcomes in a C3 crop, wheat. The use of nitrogen-based fertilizers has become one of the major agronomic inputs in crop production systems. Strategies to enhance nitrogen assimilation and flux in planta are being pursued through the introduction of novel genetic alleles. Here an Agrobacterium-mediated approach was employed to introduce the alanine aminotransferase from barley (Hordeum vulgare), HvAlaAT, into wheat (Triticum aestivum) and sorghum (Sorghum bicolor), regulated by either constitutive or root preferred promoter elements...
August 11, 2017: Planta
https://www.readbyqxmd.com/read/28801616/circulating-cd40-and-scd40l-predict-changes-in-renal-function-in-subjects-with-chronic-kidney-disease
#10
Jeffrey X Xie, Helen Alderson, James Ritchie, Philip A Kalra, Yanmei Xie, Kaili Ren, Hanh Nguyen, Tian Chen, Pamela Brewster, Rajesh Gupta, Lance D Dworkin, Deepak Malhotra, Christopher J Cooper, Jiang Tian, Steven T Haller
Soluble CD40 ligand (sCD40L) has been implicated in the development of renal injury. The CD40 receptor exists in a soluble form, sCD40R, and has been shown to function as a competitive antagonist against CD40 activation. We analyzed whether plasma levels of sCD40L and sCD40R predict changes in renal function in an all-cause chronic kidney disease (CKD) cohort. Stratification of subjects based on sCD40L and sCD40R individually, as well as in combination, demonstrated that sCD40L was directly associated with declines in estimated glomerular filtration rate (eGFR)...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28800826/effect-of-thyme-essential-oil-and-lactococcus-lactis-cbm21-on-the-microbiota-composition-and-quality-of-minimally-processed-lamb-s-lettuce
#11
Lorenzo Siroli, Francesca Patrignani, Diana I Serrazanetti, Pamela Vernocchi, Federica Del Chierico, Alessandra Russo, Sandra Torriani, Lorenza Putignani, Fausto Gardini, Rosalba Lanciotti
The main aim of this work was to evaluate, at pilot scale in an industrial environment, the effects of the biocontrol agent Lactococcus lactis CBM21 and thyme essential oil compared to chlorine, used in the washing step of fresh-cut lamb's lettuce, on the microbiota and its changes in relation to the time of storage. The modification of the microbial population was studied through pyrosequencing in addition to the traditional plate counts. In addition, the volatile molecule and sensory profiles were evaluated during the storage...
December 2017: Food Microbiology
https://www.readbyqxmd.com/read/28800694/variability-drivers-and-effects-of-atmospheric-nitrogen-inputs-across-an-urban-area-emerging-patterns-among-human-activities-the-atmosphere-and-soils
#12
Stephen M Decina, Pamela H Templer, Lucy R Hutyra, Conor K Gately, Preeti Rao
Atmospheric deposition of nitrogen (N) is a major input of N to the biosphere and is elevated beyond preindustrial levels throughout many ecosystems. Deposition monitoring networks in the United States generally avoid urban areas in order to capture regional patterns of N deposition, and studies measuring N deposition in cities usually include only one or two urban sites in an urban-rural comparison or as an anchor along an urban-to-rural gradient. Describing patterns and drivers of atmospheric N inputs is crucial for understanding the effects of N deposition; however, little is known about the variability and drivers of atmospheric N inputs or their effects on soil biogeochemistry within urban ecosystems...
August 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28800626/targeting-lysyl-oxidase-reduces-peritoneal-fibrosis
#13
Christopher R Harlow, Xuan Wu, Marielle van Deemter, Fiona Gardiner, Craig Poland, Rebecca Green, Sana Sarvi, Pamela Brown, Karl E Kadler, Yinhui Lu, J Ian Mason, Hilary O D Critchley, Stephen G Hillier
BACKGROUND: Abdominal surgery and disease cause persistent abdominal adhesions, pelvic pain, infertility and occasionally, bowel obstruction. Current treatments are ineffective and the aetiology is unclear, although excessive collagen deposition is a consistent feature. Lysyl oxidase (Lox) is a key enzyme required for crosslinking and deposition of insoluble collagen, so we investigated whether targeting Lox might be an approach to reduce abdominal adhesions. METHODS: Female C57Bl/6 mice were treated intraperitoneally with multiwalled carbon nanotubes (NT) to induce fibrosis, together with chemical (ß-aminoproprionitrile-BAPN) or miRNA Lox inhibitors, progesterone or dexamethasone...
2017: PloS One
https://www.readbyqxmd.com/read/28800370/the-effect-of-dynamic-pitch-on-speech-recognition-in-temporally-modulated-noise
#14
Jing Shen, Pamela E Souza
Purpose: This study investigated the effect of dynamic pitch in target speech on older and younger listeners' speech recognition in temporally modulated noise. First, we examined whether the benefit from dynamic-pitch cues depends on the temporal modulation of noise. Second, we tested whether older listeners can benefit from dynamic-pitch cues for speech recognition in noise. Last, we explored the individual factors that predict the amount of dynamic-pitch benefit for speech recognition in noise...
August 11, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28800171/antioxidant-protection-by-%C3%AE-selenoamines-against-thioacetamide-induced-oxidative-stress-and-hepatotoxicity-in-mice
#15
Sílvio Terra Stefanello, Diane Duarte Hartmann, Guilherme Pires Amaral, Aline Alves Courtes, Martim T B Leite, Thayanara Cruz da Silva, Débora Farina Gonçalves, Micaela B Souza, Pâmela Carvalho da Rosa, Luciano Dornelles, Félix Alexandre Antunes Soares
Thioacetamide (TAA) is a hepatotoxin that rapidly triggers the necrotic process and oxidative stress in the liver. Nevertheless, organic selenium compounds, such as β-selenoamines, can be used as pharmacological agents to diminish the oxidative damage. Thus, the aim of this study was to investigate the protective effect of the antioxidant β-selenoamines on TAA-induced oxidative stress in mice. Here, we observed that a single intraperitoneal injection of TAA (200 mg/kg) dramatically elevated some parameters of oxidative stress, such as lipid peroxidation and reactive oxygen species (ROS) production, as well as depleted cellular antioxidant defenses...
August 11, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28799867/endoscope-assisted-repair-of-csf-otorrhea-and-temporal-lobe-encephaloceles-via-keyhole-craniotomy
#16
Pamela C Roehm, Derrick Tint, Norman Chan, Ryan Brewster, Vishad Sukul, Kadir Erkmen
OBJECTIVE Temporal lobe encephaloceles and cerebrospinal fluid otorrhea from temporal bone defects that involve the tegmen tympani and mastoideum are generally repaired using middle fossa craniotomy, mastoidectomy, or combined approaches. Standard middle fossa craniotomy exposes patients to dural retraction, which can lead to postoperative neurological complications. Endoscopic and minimally invasive techniques have been used in other surgeries to minimize brain retraction, and so these methods were applied to repair the lateral skull base...
August 11, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28798133/structure-of-histone-based-chromatin-in-archaea
#17
Francesca Mattiroli, Sudipta Bhattacharyya, Pamela N Dyer, Alison E White, Kathleen Sandman, Brett W Burkhart, Kyle R Byrne, Thomas Lee, Natalie G Ahn, Thomas J Santangelo, John N Reeve, Karolin Luger
Small basic proteins present in most Archaea share a common ancestor with the eukaryotic core histones. We report the crystal structure of an archaeal histone-DNA complex. DNA wraps around an extended polymer, formed by archaeal histone homodimers, in a quasi-continuous superhelix with the same geometry as DNA in the eukaryotic nucleosome. Substitutions of a conserved glycine at the interface of adjacent protein layers destabilize archaeal chromatin, reduce growth rate, and impair transcription regulation, confirming the biological importance of the polymeric structure...
August 11, 2017: Science
https://www.readbyqxmd.com/read/28797276/preventive-medicine-as-a-first-or-second-choice-course-a-cross-sectional-survey-into-students-motivational-differences-and-implications-for-information-provision
#18
Van Anh Thi Nguyen, Karen D Könings, Albert J J A Scherpbier, Pamela Wright, Hoat Ngoc Luu, Jeroen J G van Merriënboer
BACKGROUND: Challenges in recruiting and retaining medical staff in preventive medical specialties have recently been the subject of numerous studies. To improve selection procedures, it is important to understand the career preferences and incentives of students in preventive medicine (PM), who initially marked the program as either their first choice or second choice. 1386 PM students in four Vietnamese medical schools participated in a survey using a structured, written questionnaire...
August 10, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28797120/medication-eluting-devices-for-the-field-of-obgyn-medobgyn-3d-printed-biodegradable-hormone-eluting-constructs-a-proof-of-concept-study
#19
Karthik Tappa, Udayabhanu Jammalamadaka, David H Ballard, Todd Bruno, Marissa R Israel, Harika Vemula, J Mark Meacham, David K Mills, Pamela K Woodard, Jeffery A Weisman
3D printing has the potential to deliver personalized implants and devices for obstetric and gynecologic applications. The aim of this study is to engineer customizable and biodegradable 3D printed implant materials that can elute estrogen and/or progesterone. All 3D constructs were printed using polycaprolactone (PCL) biodegradable polymer laden with estrogen or progesterone and were subjected to hormone-release profile studies using ELISA kits. Material thermal properties were tested using thermogravimetric analysis and differential scanning calorimetry...
2017: PloS One
https://www.readbyqxmd.com/read/28797112/a-novel-whole-bacterial-enzyme-linked-immunosorbant-assay-to-quantify-chlamydia-trachomatis-specific-antibodies-reveals-distinct-differences-between-systemic-and-genital-compartments
#20
Hannah L Albritton, Pamela A Kozlowski, Rebecca A Lillis, Chris L McGowin, Julia D Siren, Stephanie N Taylor, Joyce A Ibana, Lyndsey R Buckner, Li Shen, Alison J Quayle
Chlamydia trachomatis (CT) is the leading sexually transmitted bacterial infection. The continued global burden of CT infection strongly predicates the need for a vaccine to supplement current chlamydial control programs. The correlates of protection against CT are currently unknown, but they must be carefully defined to guide vaccine design. The localized nature of chlamydial infection in columnar epithelial cells of the genital tract necessitates investigation of immunity at the site of infection. The purpose of this study was to develop a sensitive whole bacterial enzyme-linked immunosorbent assay (ELISA) to quantify and compare CT-specific IgG and IgA in sera and genital secretions from CT-infected women...
2017: PloS One
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