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https://www.readbyqxmd.com/read/27933324/effect-of-aqueous-storage-on-original-and-repair-bond-strength-and-residual-monomer-release-of-fiberreinforced-composites
#1
Diana Wolff, Michael Coupek, Ralf Erber, Tanja Krueger, Johannes Krisam, Hans Joerg Staehle, Cornelia Frese
PURPOSE: To evaluate the effects of aqueous storage on shear bond strength (SBS) and monomer release of fiberreinforced composites (FRCs). MATERIALS AND METHODS: Four unidirectional FRCs were tested, including one semi-interpenetrating polymer network (IPN) (ES, everStick) and three cross-linked polymer (CLP) FRCs (GT, GrandTec; TF, TenderFiber; DP, Dentapreg). The SBS of samples of original resin to fresh FRC with an intact oxygen inhibition layer (n = 30/group) and repair resin to FRC after surface treatment (n = 30/group) was evaluated after 6 and 12 months of storage in artificial saliva...
December 8, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27932594/the-interaction-between-genetic-ancestry-and-breast-cancer-risk-factors-among-hispanic-women-the-breast-cancer-health-disparities-study
#2
Lisa M Hines, Rebecca L Sedjo, Tim Byers, Esther M John, Laura Fejerman, Mariana C Stern, Kathy Baumgartner, Anna R Giuliano, Gabriela Torres-Mejia, Wolff Roger, Kylie Harrall, Martha L Slattery
BACKGROUND: Hispanic women have lower breast cancer incidence rates than non-Hispanic white (NHW) women. To what extent genetic versus non-genetic factors account for this difference is unknown. METHODS: Using logistic regression, we evaluated the interactive influences of established risk factors and ethnicity (self-identified and identified by ancestral informative markers) on breast cancer risk among 2326 Hispanic and 1854 NHW postmenopausal women from the US and Mexico in the Breast Cancer Health Disparities Study...
December 8, 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27929270/sexually-transmitted-infections-recommendations-from-the-u-s-preventive-services-task-force
#3
Karen C Lee, Quyen Ngo-Metzger, Tracy Wolff, Joya Chowdhury, Michael L LeFevre, David S Meyers
The U.S. Preventive Services Task Force (USPSTF) has issued recommendations on behavioral counseling to prevent sexually transmitted infections (STIs) and recommendations about screening for individual STIs. Clinicians should obtain a sexual history to assess for behaviors that increase a patient's risk. Community and population risk factors should also be considered. The USPSTF recommends intensive behavioral counseling for all sexually active adolescents and for adults whose history indicates an increased risk of STIs...
December 1, 2016: American Family Physician
https://www.readbyqxmd.com/read/27927641/genetic-architecture-distinguishes-systemic-juvenile-idiopathic-arthritis-from-other-forms-of-juvenile-idiopathic-arthritis-clinical-and-therapeutic-implications
#4
Michael J Ombrello, Victoria L Arthur, Elaine F Remmers, Anne Hinks, Ioanna Tachmazidou, Alexei A Grom, Dirk Foell, Alberto Martini, Marco Gattorno, Seza Özen, Sampath Prahalad, Andrew S Zeft, John F Bohnsack, Norman T Ilowite, Elizabeth D Mellins, Ricardo Russo, Claudio Len, Maria Odete E Hilario, Sheila Oliveira, Rae S M Yeung, Alan M Rosenberg, Lucy R Wedderburn, Jordi Anton, Johannes-Peter Haas, Angela Rosen-Wolff, Kirsten Minden, Klaus Tenbrock, Erkan Demirkaya, Joanna Cobb, Elizabeth Baskin, Sara Signa, Emily Shuldiner, Richard H Duerr, Jean-Paul Achkar, M Ilyas Kamboh, Kenneth M Kaufman, Leah C Kottyan, Dalila Pinto, Stephen W Scherer, Marta E Alarcón-Riquelme, Elisa Docampo, Xavier Estivill, Ahmet Gül, Carl D Langefeld, Susan Thompson, Eleftheria Zeggini, Daniel L Kastner, Patricia Woo, Wendy Thomson
OBJECTIVES: Juvenile idiopathic arthritis (JIA) is a heterogeneous group of conditions unified by the presence of chronic childhood arthritis without an identifiable cause. Systemic JIA (sJIA) is a rare form of JIA characterised by systemic inflammation. sJIA is distinguished from other forms of JIA by unique clinical features and treatment responses that are similar to autoinflammatory diseases. However, approximately half of children with sJIA develop destructive, long-standing arthritis that appears similar to other forms of JIA...
December 7, 2016: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/27925331/the-mirna-landscape-of-colorectal-polyps
#5
Martha L Slattery, Jennifer S Herrick, Roger K Wolff, Lila E Mullany, John R Stevens, Wade Samowitz
The genomic landscape of adenomas and polyps may help define disease pathways. Expression of miRNAs in adenomas and polyps may importantly contribute to these pathways. We evaluated miRNA expression in 293 polyp-normal colorectal mucosa pairs. Polyps were classified as either adenomatous polyp (AD), hyperplastic polyp (HP), or sessile serrated polyp (SSP). We compared these miRNA expression profiles in polyps to miRNA expression in microsatellite unstable (MSI) and stable (MSS) tumors. A False Discovery Rate (FDR) of 0...
December 7, 2016: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/27925236/stresses-and-strains-analysis-using-different-palatal-expander-appliances-in-upper-jaw-and-midpalatal-suture
#6
Larissa Carvalho Trojan, Libardo Andrés González-Torres, Ana Claudia Moreira Melo, Estevam Barbosa de Las Casas
Rapid maxillary expansion (RME) is the technique of increasing the transverse dimension of the upper jaw using lateral forces applied by palatal expander. Usually, this palatal appliance is anchored on posterior teeth. The purposes of this computer simulation study were to analyze the stress and strain distribution generated in the maxilla, mainly in midpalatal suture (MPS), during RME by tooth-borne and bone-borne expanders and to study the correlation between mechanical strain and Wolff's Law. The analysis was performed with finite element models developed based on Cone Beam computed tomography (CT)...
December 7, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27923944/membrane-oxygenator-use-with-biventricular-assist-device-facilitation-of-support-and-lung-recovery
#7
Kristen Nelson-McMillan, William J Ravekes, William R Thompson, Kristen M Brown, Larry Wolff, Rajeev S Wadia, LeAnn M McNamara, Donald H Shaffner, Ivor D Berkowitz, Marshall L Jacobs, Luca A Vricella
We present the use of a low-resistance membrane oxygenator (Quadrox D, Maquet) in series with a pulsatile right ventricular assist device (Berlin Heart EXCOR, Berlin Heart) in a patient with biventricular support who required high-frequency oscillatory ventilation (HFOV), due to refractory acute respiratory distress syndrome associated with Cytomegalovirus pneumonia. The high mean airway pressure associated with the use of HFOV resulted in a significant negative impact on left ventricular assist device (LVAD) filling that led to a combined respiratory and metabolic acidosis and the need for vasopressor support...
December 6, 2016: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/27923522/development-of-a-multiplex-taqman-real-time-pcr-assay-for-typing-of-mycoplasma-pneumoniae-based-on-type-specific-indels-identified-through-whole-genome-sequencing
#8
Bernard J Wolff, Alvaro J Benitez, Heta P Desai, Shatavia S Morrison, Maureen H Diaz, Jonas M Winchell
We developed a multiplex real-time PCR assay for simultaneously detecting M. pneumoniae and typing into historically-defined P1 types. Typing was achieved based on the presence of short type-specific indels identified through whole genome sequencing. This assay was 100% specific compared to existing methods and may be useful during epidemiologic investigations.
November 25, 2016: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/27921296/digest-selection-on-life-histories-drives-the-formation-of-functional-mitonuclear-associations1
#9
Edward McAssey
The relative importance of interactions between mitochondrial and nuclear genes on adaptation has gained increased attention (see Wolff et al., 2014), although experimental systems to make direct tests of its importance are scarce. Mitonuclear epistasis is when nuclear and mitochondrial genes interact, often at the protein level, and variation in these interactions may result in phenotypic differences (Paliwal et al., 2014). These interactions are often found in the mitochondria where the energy-generating electron transport chain (ETC) is located, and consists of both nuclear and mitochondrial proteins...
December 6, 2016: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/27919597/axiographic-results-of-cad-cam-assisted-microvascular-fibular-free-flap-reconstruction-of-the-mandible-a-prospective-study-of-21-consecutive-cases
#10
Lucas M Ritschl, Thomas Mücke, Andreas M Fichter, Maximilian Roth, Clemens Kaltenhauser, Jean Marc Pho Duc, Marco R Kesting, Klaus-Dietrich Wolff, Denys J Loeffelbein
Virtual planning and guided reconstruction of the mandible following ablative surgery have become standard procedures in reconstructive surgery. Many advantages regarding operation time, morphology, bony fit, and consolidation have been described, but analyses of the functional outcome of virtually planned mandibular reconstructions are lacking. We prospectively analyzed 21 consecutive cases of mandibular reconstructions using CAD/CAM-assisted microvascular, fibular free flaps in operations between July 2014 and January 2016 at a single center...
November 12, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27906114/p38%C3%AE-mapk-disables-kmt1a-mediated-repression-of-myogenic-differentiation-program
#11
Biswanath Chatterjee, David W Wolff, Mathivanan Jothi, Munmun Mal, Asoke K Mal
BACKGROUND: Master transcription factor MyoD can initiate the entire myogenic gene expression program which differentiates proliferating myoblasts into multinucleated myotubes. We previously demonstrated that histone methyltransferase KMT1A associates with and inhibits MyoD in proliferating myoblasts, and must be removed to allow differentiation to proceed. It is known that pro-myogenic signaling pathways such as PI3K/AKT and p38α MAPK play critical roles in enforcing associations between MyoD and transcriptional activators, while removing repressors...
August 22, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27902940/a-novel-lab-on-chip-platform-with-integrated-solid-phase-pcr-and-supercritical-angle-fluorescence-saf-microlens-array-for-highly-sensitive-and-multiplexed-pathogen-detection
#12
Tran Quang Hung, Wai Hoe Chin, Yi Sun, Anders Wolff, Dang Duong Bang
Solid-phase PCR (SP-PCR) has become increasingly popular for molecular diagnosis and there have been a few attempts to incorporate SP-PCR into lab-on-a-chip (LOC) devices. However, their applicability for on-line diagnosis is hindered by the lack of sensitive and portable on-chip optical detection technology. In this paper, we addressed this challenge by combining the SP-PCR with super critical angle fluorescence (SAF) microlens array embedded in a microchip. We fabricated miniaturized SAF microlens array as part of a microfluidic chamber in thermoplastic material and performed multiplexed SP-PCR directly on top of the SAF microlens array...
November 12, 2016: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27898575/rate-of-decline-in-nontreponemal-antibody-titers-and-seroreversion-after-treatment-of-early-syphilis
#13
Arlene C Seña, Mark Wolff, Frieda Behets, David H Martin, Peter Leone, Carol Langley, Linda McNeil, Edward W Hook
BACKGROUND: Syphilis management is complex and demonstration of treatment response requires monitoring of nontreponemal antibody titers for a ≥ 4-fold decline and/or seroreversion to nonreactive titers. METHODS: We evaluated data from a multicenter clinical trial of syphilis treatment conducted from 2000 to 2009 involving human immunodeficiency virus (HIV)-negative patients 18 years or older with early syphilis. To assess the rate of titer decline and seroreversion after effective therapy, rapid plasma reagin (RPR) titers were analyzed at 1, 3, 6, 9, and 12 months among patients with an appropriate treatment response...
January 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27898458/smoking-status-and-opioid-related-problems-and-concerns-among-men-and-women-on-chronic-opioid-therapy
#14
Kelly C Young-Wolff, Daniella Klebaner, Constance Weisner, Michael Von Korff, Cynthia I Campbell
OBJECTIVES: Smokers on chronic opioid therapy for non-cancer pain use prescription opioids at higher dosages and are at increased risk for opioid misuse and dependence relative to non-smokers. The current study aims to assess whether smoking is associated with problems and concerns with chronic opioid therapy from the perspective of the patient. METHODS: In a large sample (N=972) of adult patients prescribed opioids for chronic noncancer pain, we examined sex-specific associations between smoking status and patient perceptions of problems and concerns with chronic opioid therapy using regression analyses, adjusting for covariates...
November 28, 2016: Clinical Journal of Pain
https://www.readbyqxmd.com/read/27895014/ceftazidime-avibactam-as-salvage-therapy-for-infections-caused-by-carbapenem-resistant-organisms-a-case-series-from-the-compassionate-use-program
#15
Elizabeth Temkin, Julian Torre-Cisneros, Bojana Beovic, Natividad Benito, Maddalena Giannella, Raúl Gilarranz, Cameron Jeremiah, Belén Loeches, Isabel Machuca, María José Jiménez-Martín, José Antonio Martínez, Marta Mora-Rillo, Enrique Navas, Michael Osthoff, Juan Carlos Pozo, Juan Carlos Ramos Ramos, Marina Rodriguez, Miguel Sánchez García, Pierluigi Viale, Michel Wolff, Yehuda Carmeli
Ceftazidime-avibactam (CAZ-AVI) is a recently approved β-lactam β-lactamase inhibitor combination with the potential to treat serious infections caused by carbapenem-resistant organisms. Few patients with such infections were included in the CAZ-AVI clinical trials, and clinical experience is lacking. We present a case series of patients with infections caused by carbapenem-resistant Enterobacteriaceae (CRE) or Pseudomonas aeruginosa (CRPa) who were treated with CAZ-AVI salvage therapy on a compassionate-use basis...
November 28, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27882900/concentration-dependence-of-hydrogen-diffusion-in-clamped-vanadium-0%C3%A2-0%C3%A2-1-films
#16
Wen Huang, Lennard P A Mooij, Sotirios A Droulias, Heikki Palonen, Ola Hartmann, Gunnar K Pálsson, Max Wolff, Björgvin Hjörvarsson
The chemical diffusion coefficient of hydrogen in a 50 nm thin film of vanadium (0 0 1) is measured as a function of concentration and temperature, well above the known phase boundaries. Arrhenius analysis of the tracer diffusion constants reveal large changes in the activation energy with concentration: from 0.10 at 0.05 in H V(-1) to 0.5 eV at 0.2 in H V(-1). The results are consistent with a change from tetrahedral to octahedral site occupancy, in that concentration range. The change in site occupancy is argued to be caused by the uniaxial expansion of the film originating from the combined hydrogen induced expansion and the clamping of the film to the substrate...
February 1, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/27882498/parent-training-programs-for-ethnic-minorities-a-meta-analysis-of-adaptations-and-effect
#17
K van Mourik, M R Crone, M S de Wolff, R Reis
This meta-analysis focuses on parent training programs for ethnic minority families and reports on (i) the adaptation of program content and (ii) the process that informs these adaptations. Relevant studies are reviewed to determine the adaptations made and the impact of the adaptations on parenting and child outcomes. Studies were eligible for inclusion if they enrolled predominantly ethnic minority parents with children aged 0-12 years, used a randomized controlled trial design with post-intervention assessments, focused on group-based parent training programs and on prevention of parenting problems, and reported parenting behavior outcomes...
November 23, 2016: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/27881174/juvenile-arthritis-caused-by-a-novel-famin-lacc1-mutation-in-two-children-with-systemic-and-extended-oligoarticular-course
#18
Tilmann Kallinich, Anne Thorwarth, Sae-Lim von Stuckrad, Angela Rösen-Wolff, Hella Luksch, Patrick Hundsdoerfer, Kirsten Minden, Peter Krawitz
BACKGROUND: The pathophysiological origin of juvenile idiopathic arthritis (JIA) is largely unknown. However, individuals with presumably pathogenic mutations in FAMIN have been reported, associating this gene with a rare subtype of this disorder. FAMIN, that is formerly also referred to as LACC1 or C13orf31, has recently been shown to play a crucial role in immune-metabolic functions and is involved in regulation of inflammasome activation and promotion of ROS production. CASE PRESENTATION: We describe two siblings with severe familial forms of juvenile arthritis in which whole-exome-sequencing revealed a novel homozygous frameshift mutation (NM_153218...
November 24, 2016: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/27880788/micro-ct-vs-whole-body-multirow-detector-ct-for-analysing-bone-regeneration-in-an-animal-model
#19
Oliver Bissinger, Jan S Kirschke, Florian Andreas Probst, Martin Stauber, Klaus-Dietrich Wolff, Bernhard Haller, Carolin Götz, Christian Plank, Andreas Kolk
OBJECTIVES: Compared with multirow detector CT (MDCT), specimen (ex vivo) micro-CT (μCT) has a significantly higher (~ 30 x) spatial resolution and is considered the gold standard for assessing bone above the cellular level. However, it is expensive and time-consuming, and when applied in vivo, the radiation dose accumulates considerably. The aim of this study was to examine whether the lower resolution of the widely used MDCT is sufficient to qualitatively and quantitatively evaluate bone regeneration in rats...
2016: PloS One
https://www.readbyqxmd.com/read/27878364/-av-reentrant-tachycardia-and-wolff-parkinson-white-syndrome-diagnosis-and-treatment
#20
Frederik Voss, Lars Eckardt, Sonia Busch, Heidi L Estner, Daniel Steven, Philipp Sommer, Christian von Bary, Hans-Ruprecht Neuberger
The AV-reentrant tachycardia (AVRT) is a supraventricular tachycardia with an incidence of 1-3/1000. The pathophysiological basis is an accessory atrioventricular pathway (AP). Patients with AVRT typically present with palpitations, an on-off characteristic, anxiety, dyspnea, and polyuria. This type of tachycardia may often be terminated by vagal maneuvers. Although the clinical presentation of AVRT is quite similar to AV-nodal reentrant tachycardias, the correct diagnosis is often facilitated by analyzing a standard 12-lead ECG at normal heart rate showing ventricular preexcitation...
November 22, 2016: Herzschrittmachertherapie & Elektrophysiologie
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