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https://www.readbyqxmd.com/read/28214017/genetic-risk-factors-for-ovarian-cancer-and-their-role-for-endometriosis-risk
#1
Stefanie Burghaus, Peter A Fasching, Lothar Häberle, Matthias Rübner, Kathrin Büchner, Simon Blum, Anne Engel, Arif B Ekici, Arndt Hartmann, Alexander Hein, Matthias W Beckmann, Stefan P Renner
OBJECTIVE: Several genetic variants have been validated as risk factors for ovarian cancer. Endometriosis has also been described as a risk factor for ovarian cancer. Identifying genetic risk factors that are common to the two diseases might help improve our understanding of the molecular pathogenesis potentially linking the two conditions. METHODS: In a hospital-based case-control analysis, 12 single nucleotide polymorphisms (SNPs), validated by the Ovarian Cancer Association Consortium (OCAC) and the Collaborative Oncological Gene-environment Study (COGS) project, were genotyped using TaqMan® OpenArray™ analysis...
February 14, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28209771/hearing-loss-in-children-with-asymptomatic-congenital-cytomegalovirus-infection
#2
Tatiana M Lanzieri, Winnie Chung, Marily Flores, Peggy Blum, A Chantal Caviness, Stephanie R Bialek, Scott D Grosse, Jerry A Miller, Gail Demmler-Harrison
OBJECTIVES: To assess the prevalence, characteristics, and risk of sensorineural hearing loss (SNHL) in children with congenital cytomegalovirus infection identified through hospital-based newborn screening who were asymptomatic at birth compared with uninfected children. METHODS: We included 92 case-patients and 51 controls assessed by using auditory brainstem response and behavioral audiometry. We used Kaplan-Meier survival analysis to estimate the prevalence of SNHL, defined as ≥25 dB hearing level at any frequency and Cox proportional hazards regression analyses to compare SNHL risk between groups...
February 16, 2017: Pediatrics
https://www.readbyqxmd.com/read/28209616/octn1-is-a-high-affinity-carrier-of-nucleoside-analogs
#3
Christina Drenberg, Alice A Gibson, Stanley Pounds, Lei Shi, Dena Rhinehart, Lie Li, Shuiying Hu, Guoqing Du, Anne T Nies, Matthias Schwab, Navjotsingh Pabla, William Blum, Tanja A Gruber, Sharyn D Baker, Alex Sparreboom
Resistance to xenobiotic nucleosides used to treat acute myeloid leukemia (AML) and other cancers remains a major obstacle to clinical management. One process suggested to participate in resistance is reduced uptake into tumor cells via nucleoside transporters, although precise mechanisms are not understood. Through transcriptomic profiling, we determined that low expression of the ergothioneine transporter OCTN1 (SLC22A4; ETT) strongly predicts poor event-free survival and overall survival in multiple cohorts of AML patients receiving treatment with the cytidine nucleoside analog cytarabine...
February 16, 2017: Cancer Research
https://www.readbyqxmd.com/read/28207191/cysteine-proteases-in-atherosclerosis
#4
REVIEW
Tommy Weiss Sadan, Israel Gotsman, Galia Blum
Atherosclerosis predisposes patients to cardiovascular diseases, such as myocardial infarction and stroke. Instigation of vascular injury is triggered by retention of lipids and inflammatory cells in the vascular endothelium. Whereas these vascular lesions develop in young adults and are mostly considered harmless, over time persistent inflammatory and remodeling processes will ultimately damage the arterial wall and cause a thrombotic event due to exposure of tissue factors into the lumen. Evidence from human tissues and pre-clinical animal models have clearly established the role of cathepsin cysteine proteases in the development and progression of vascular lesions...
February 16, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28199203/neurogenetics-of-acute-and-chronic-opiate-opioid-abstinence-treating-symptoms-and-the-cause
#5
Kenneth Blum, Mark S Gold, William Jacobs, William Vaughn McCall, Marcelo Febo, David Baron, Kristina Dushaj, Zsolt Demetrovics, Rajendra D Badgaiyan
This review begins with a comprehensive history of opioid dependence and treatment in the United States. The focus is an evidence-based treatment model for opioid/opiate dependent individuals. The role of reward genetic polymorphisms and the epigenetic modifications that lead to vulnerability to use and misuse of opiates/opioid to treat pain are reviewed. The neurochemical mechanisms of acute opiate withdrawal and opiate/opioid reward mechanisms are explored with a goal of identifying specific treatment targets...
March 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28197843/copeptin-for-risk-stratification-in-non-traumatic-headache-in-the-emergency-setting-a-prospective-multicenter-observational-cohort-study
#6
Claudine Angela Blum, Bettina Winzeler, Nicole Nigro, Philipp Schuetz, Silke Biethahn, Timo Kahles, Cornelia Mueller, Katharina Timper, Katharina Haaf, Janina Tepperberg, Margareth Amort, Andreas Huber, Roland Bingisser, Peter Stephan Sándor, Krassen Nedeltchev, Beat Müller, Mira Katan, Mirjam Christ-Crain
BACKGROUND: In the emergency setting, non-traumatic headache is a benign symptom in 80% of cases, but serious underlying conditions need to be ruled out. Copeptin improves risk stratification in several acute diseases. Herein, we investigated the value of copeptin to discriminate between serious secondary headache and benign headache forms in the emergency setting. METHODS: Patients presenting with acute non-traumatic headache were prospectively enrolled into an observational cohort study...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28196531/enhancing-circadian-clock-function-in-cancer-cells-inhibits-tumor-growth
#7
Silke Kiessling, Lou Beaulieu-Laroche, Ian D Blum, Dominic Landgraf, David K Welsh, Kai-Florian Storch, Nathalie Labrecque, Nicolas Cermakian
BACKGROUND: Circadian clocks control cell cycle factors, and circadian disruption promotes cancer. To address whether enhancing circadian rhythmicity in tumor cells affects cell cycle progression and reduces proliferation, we compared growth and cell cycle events of B16 melanoma cells and tumors with either a functional or dysfunctional clock. RESULTS: We found that clock genes were suppressed in B16 cells and tumors, but treatments inducing circadian rhythmicity, such as dexamethasone, forskolin and heat shock, triggered rhythmic clock and cell cycle gene expression, which resulted in fewer cells in S phase and more in G1 phase...
February 14, 2017: BMC Biology
https://www.readbyqxmd.com/read/28194548/investigation-of-intra-herd-spread-of-mycobacterium-caprae-in-cattle-by-generation-and-use-of-a-whole-genome-sequence
#8
S Broeckl, S Krebs, A Varadharajan, R K Straubinger, H Blum, M Buettner
Single nucleotide polymorphisms (SNPs) calculated from whole genome sequencing (WGS) are ideally suited to study evolutionary relationships of pathogens and their epidemiology. Mycobacterium caprae infections have been documented frequently in cattle and red deer along the Bavarian and Austrian Alps during the last decade. However, little is still known about the transmission within cattle holdings and possible alterations of the genomes of M. caprae during such events. The aim of this study was to study the molecular epidemiology of bovine tuberculosis (bTB) in selected herds based on isolate-specific genome-wide SNPs and to perform a phylogenetic network analysis...
February 13, 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/28194523/-establishment-of-the-new-cross-sectional-field-of-pain-medicine-an-application-example-at-the-medical-faculty-of-heidelberg
#9
S Frankenhauser, T Böker-Blum, C Busch, C Berberich, A L Mihaljevic, M A Weigand, H J Bardenheuer, J Kessler
Studies from recent years paint a picture of qualitatively deficient treatment in pain medicine. In order to improve the situation knowledge on targeted diagnostics and effective therapy should be imparted at an early stage during undergraduate studies. For this reason the cross-sectional field Q14 - pain medicine was newly created in the revision of the medical physician licencing regulations. The Q14 was then established in a longitudinal, multidisciplinary form at the medical faculty in Heidelberg, whereby the complete Kern cycle was run through...
February 13, 2017: Der Schmerz
https://www.readbyqxmd.com/read/28194031/hematopoietic-stem-cell-remobilization-with-vinorelbine-and-filgrastim-in-aml
#10
V Blum, A D Heini, U Novak, B M Taleghani, G M Baerlocher, K Leibundgut, K Seipel, Y Banz, M Bargetzi, T Pabst
No abstract text is available yet for this article.
February 13, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28191571/a-computer-based-prediction-platform-for-the-reaction-of-ozone-with-organic-compounds-in-aqueous-solution-kinetics-and-mechanisms
#11
Minju Lee, Lorenz C Blum, Emanuel Schmid, Kathrin Fenner, Urs von Gunten
Ozonation of secondary wastewater effluents can reduce the discharge of micropollutants by transforming their chemical structures. Therefore, a better understanding of the formation of transformation products during ozonation is important. In this study, a computer-based prediction platform for the kinetics and mechanisms of the reactions of ozone with organic compounds was developed to enable in silico predictions of transformation products. With the developed prediction platform, reaction kinetics expressed as second-order rate constants for the reactions of ozone with selected organic compounds (kO3, M(-1) s(-1)) can be predicted based on an adapted kO3 prediction model from a previous study (Lee et al...
February 13, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28190730/leftward-flow-determines-laterality-in-conjoined-twins
#12
Matthias Tisler, Thomas Thumberger, Isabelle Schneider, Axel Schweickert, Martin Blum
Conjoined twins fused at the thorax display an enigmatic left-right defect: although left twins are normal, laterality is disturbed in one-half of right twins [1-3]. Molecularly, this randomization corresponds to a lack of asymmetric Nodal cascade induction in right twins [4]. We studied leftward flow [5, 6] at the left-right organizer (LRO) [7, 8] in thoracopagus twins in Xenopus, which displayed a duplicated, fused, and ciliated LRO. Cilia were motile and produced a leftward flow from the right LRO margin of the right to the left margin of the left twin...
February 7, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28188038/tunneled-central-venous-catheters-in-children-with-malignant-and-chronic-diseases-a-comparison-of-open-vs-percutaneous-implantation
#13
Lea-Valeska Blum, Ulf Abdel-Rahman, Thomas Klingebiel, Henning Fiegel, Stefan Gfroerer, Udo Rolle
PURPOSE: Tunneled central venous catheters (tCVCs) are routinely used for long-term venous access in children with cancer and chronic diseases. They may be inserted by surgical venous cut-down or percutaneously. The aim of this study was to compare the operative times and intraoperative complications of both techniques. METHODS: This study compared group A (surgical venous cut-down, years 2002-2006) with group B (percutaneous, years 2008-2012). Patient characteristics, operative times, and intraoperative complications were obtained from surgical reports...
January 30, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28183587/mg-ca-ratio-as-regulating-factor-for-osteoclastic-in-vitro-resorption-of-struvite-biocements
#14
Carina Blum, Theresa Brückner, Andrea Ewald, Anita Ignatius, Uwe Gbureck
Bioceramic degradation can occur by both passive dissolution and following active osteoclastic bone remodeling. Key parameters controlling ceramic degradation are the pH-dependent solubility product of the ceramic phase, which alters ion concentrations in physiological solution and hence regulates cell activity. This study investigated the in vitro degradation profiles of various calcium magnesium phosphate ceramics formed at low temperature. The passive resorption was measured by incubating the cement samples in cell culture medium, while active resorption was determined during a surface culture of multinuclear osteoclastic cells derived from RAW 264...
April 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28173892/optimizing-atom-probe-analysis-with-synchronous-laser-pulsing-and-voltage-pulsing
#15
Lu Zhao, Antoine Normand, Jonathan Houard, Ivan Blum, Fabien Delaroche, Olivier Latry, Blaise Ravelo, Francois Vurpillot
Atom probe has been developed for investigating materials at the atomic scale and in three dimensions by using either high-voltage (HV) pulses or laser pulses to trigger the field evaporation of surface atoms. In this paper, we propose an atom probe setup with pulsed evaporation achieved by simultaneous application of both methods. This provides a simple way to improve mass resolution without degrading the intrinsic spatial resolution of the instrument. The basic principle of this setup is the combination of both modes, but with a precise control of the delay (at a femtosecond timescale) between voltage and laser pulses...
February 8, 2017: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/28167838/glrb-allelic-variation-associated-with-agoraphobic-cognitions-increased-startle-response-and-fear-network-activation-a-potential-neurogenetic-pathway-to-panic-disorder
#16
J Deckert, H Weber, C Villmann, T B Lonsdorf, J Richter, M Andreatta, A Arias-Vasquez, L Hommers, L Kent, C Schartner, S Cichon, C Wolf, N Schaefer, C R von Collenberg, B Wachter, R Blum, D Schümann, R Scharfenort, J Schumacher, A J Forstner, C Baumann, M A Schiele, S Notzon, P Zwanzger, J G E Janzing, T Galesloot, L A Kiemeney, A Gajewska, E Glotzbach-Schoon, A Mühlberger, G Alpers, T Fydrich, L Fehm, A L Gerlach, T Kircher, T Lang, A Ströhle, V Arolt, H-U Wittchen, R Kalisch, C Büchel, A Hamm, M M Nöthen, M Romanos, K Domschke, P Pauli, A Reif
The molecular genetics of panic disorder (PD) with and without agoraphobia (AG) are still largely unknown and progress is hampered by small sample sizes. We therefore performed a genome-wide association study with a dimensional, PD/AG-related anxiety phenotype based on the Agoraphobia Cognition Questionnaire (ACQ) in a sample of 1370 healthy German volunteers of the CRC TRR58 MEGA study wave 1. A genome-wide significant association was found between ACQ and single non-coding nucleotide variants of the GLRB gene (rs78726293, P=3...
February 7, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28158982/study-protocol-thyroid-hormone-replacement-for-untreated-older-adults-with-subclinical-hypothyroidism-a-randomised-placebo-controlled-trial-trust
#17
David J Stott, Jacobijn Gussekloo, Patricia M Kearney, Nicolas Rodondi, Rudi G J Westendorp, Simon Mooijaart, Sharon Kean, Terence J Quinn, Naveed Sattar, Kirsty Hendry, Robert Du Puy, Wendy P J Den Elzen, Rosalinde K E Poortvliet, Jan W A Smit, J Wouter Jukema, Olaf M Dekkers, Manuel Blum, Tinh-Hai Collet, Vera McCarthy, Caroline Hurley, Stephen Byrne, John Browne, Torquil Watt, Douglas Bauer, Ian Ford
BACKGROUND: Subclinical hypothyroidism (SCH) is a common condition in elderly people, defined as elevated serum thyroid-stimulating hormone (TSH) with normal circulating free thyroxine (fT4). Evidence is lacking about the effect of thyroid hormone treatment. We describe the protocol of a large randomised controlled trial (RCT) of Levothyroxine treatment for SCH. METHODS: Participants are community-dwelling subjects aged ≥65 years with SCH, diagnosed by elevated TSH levels (≥4...
February 3, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28150088/neurocognitive-findings-in-onychophagia-pathological-nail-biting
#18
Austin W Blum, Sarah A Redden, Jon E Grant
A notable number of people struggle to control the desire to bite their nails, resulting in impairment and distress. Understanding this behavior and the inability to control it has received little research attention. One possible mechanism to understand nail biting is through the use of neurocognitive assessments. Neurocognitive assessments of pathological nail biting, however, are lacking. This analysis assesses the clinical presentation and neurocognitive profile of adults with nail biting relative to participants without nail biting...
February 1, 2017: Psychiatric Quarterly
https://www.readbyqxmd.com/read/28147461/investigating-how-to-align-schools-marketing-environments-with-federal-standards-for-competitive-foods
#19
Michele Polacsek, Liam M O'Brien, Elizabeth Pratt, Janet Whatley-Blum, Sabrina Adler
BACKGROUND: Limiting food and beverage marketing to children is a promising approach to influence children's nutrition behavior. School-based marketing influences nutrition behavior and studies have consistently found marketing for nonnutritious foods and beverages in schools. No studies have examined the resources necessary to align school marketing environments with federal school nutrition standards. The purpose of this study was to determine how to improve school marketing environments so that they align with new federal competitive food nutrition standards...
March 2017: Journal of School Health
https://www.readbyqxmd.com/read/28147294/identifying-anthropogenic-anomalies-in-air-surface-and-groundwater-temperatures-in-germany
#20
Susanne A Benz, Peter Bayer, Philipp Blum
Human activity directly influences ambient air, surface and groundwater temperatures. The most prominent phenomenon is the urban heat island effect, which has been investigated particularly in large and densely populated cities. This study explores the anthropogenic impact on the thermal regime not only in selected urban areas, but on a countrywide scale for mean annual temperature datasets in Germany in three different compartments: measured surface air temperature, measured groundwater temperature, and satellite-derived land surface temperature...
January 29, 2017: Science of the Total Environment
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