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https://www.readbyqxmd.com/read/29737521/age-and-genotype-dependent-variability-in-the-protein-abundance-and-activity-of-six-major-uridine-diphosphate-glucuronosyltransferases-in-human-liver
#1
Deepak Kumar Bhatt, Aanchal Mehrotra, Andrea Gaedigk, Revathi Chapa, Abdul Basit, Haeyoung Zhang, Prachi Choudhari, Mikael Boberg, Robin E Pearce, Roger Gaedigk, Ulrich Broeckel, J Steven Leeder, Bhagwat Prasad
The ontogeny of hepatic uridine diphosphate-glucuronosyltransferases (UGTs) was investigated by LC-MS/MS proteomics to determine UGT protein abundance in human liver microsomes isolated from 136 pediatric (0-18 years) and 35 adult (age 18-67 years) donors. Microsomal protein abundances of UGT1A1, UGT1A4, UGT1A6, UGT1A9, UGT2B7 and UGT2B15 increased by ∼8, 55, 35, 33, 8 and 3-fold from neonates to adults, respectively. The estimated age at which 50% of the adult protein abundance is observed for UGT isoforms was between 2...
May 8, 2018: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29572607/invasive-forest-pathogens-in-europe-cross-country-variation-in-public-awareness-but-consistency-in-policy-acceptability
#2
Louise Eriksson, Johanna Boberg, Thomas L Cech, Tamara Corcobado, Marie-Laure Desprez-Loustau, Ari M Hietala, Marília Horta Jung, Thomas Jung, Hatice Tuğba Doğmuş Lehtijarvi, Funda Oskay, Slavtcho Slavov, Halvor Solheim, Jan Stenlid, Jonàs Oliva
Political action can reduce introductions of diseases caused by invasive forest pathogens (IPs) and public support is important for effective prevention. The public's awareness of IP problems and the acceptability of policies aiming to combat these pathogens were surveyed in nine European countries (N = 3469). Although awareness of specific diseases (e.g., ash dieback) varied, problem awareness and policy acceptability were similar across countries. The public was positive towards policies for informational measures and stricter standards for plant production, but less positive towards restricting public access to protected areas...
March 23, 2018: Ambio
https://www.readbyqxmd.com/read/29518214/perfluorohexane-sulfonate-pfhxs-and-a-mixture-of-endocrine-disrupters-reduce-thyroxine-levels-and-cause-anti-androgenic-effects-in-rats
#3
Louise Ramhøj, Ulla Hass, Julie Boberg, Martin Scholze, Sofie Christiansen, Flemming Nielsen, Marta Axelstad
The developmental toxicity of perfluorohexane sulfonate (PFHxS) is largely unknown despite widespread environmental contamination and presence in human serum, tissues and milk.To thoroughly investigate PFHxS toxicity in developing rats and to mimic a realistic human exposure situation, we examined a low dose close to human relevant PFHxS exposure, and combined the dose-response studies of PFHxS with a fixed dose of twelve environmentally relevant endocrine disrupting chemicals (EDmix).Two reproductive toxicity studies in time-mated Wistar rats exposed throughout gestation and lactation were performed...
March 6, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29398736/inflated-uncertainty-in-multimodel-based-regional-climate-projections
#4
Marianne Sloth Madsen, Peter L Langen, Fredrik Boberg, Jens Hesselbjerg Christensen
Multimodel ensembles are widely analyzed to estimate the range of future regional climate change projections. For an ensemble of climate models, the result is often portrayed by showing maps of the geographical distribution of the multimodel mean results and associated uncertainties represented by model spread at the grid point scale. Here we use a set of CMIP5 models to show that presenting statistics this way results in an overestimation of the projected range leading to physically implausible patterns of change on global but also on regional scales...
November 28, 2017: Geophysical Research Letters
https://www.readbyqxmd.com/read/29380055/signaling-and-metabolic-properties-of-fast-and-slow-smooth-muscle-types-from-mice
#5
Lena Boberg, Ferenc L M Szekeres, Anders Arner
This study aims to improve the classification of smooth muscle types to better understand their normal and pathological functional phenotypes. Four different smooth muscle tissues (aorta, muscular arteries, intestine, urinary bladder) with a 5-fold difference in maximal shortening velocity were obtained from mice and classified according to expression of the inserted myosin heavy chain (SMHC-B). Western blotting and quantitative PCR analyses were used to determine 15 metabolic and 8 cell signaling key components in each tissue...
April 2018: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/29301479/risk-factors-and-prognosis-for-recurrent-primary-sclerosing-cholangitis-after-liver-transplantation-a-nordic-multicentre-study
#6
Lina Lindström, Kristin K Jørgensen, Kirsten M Boberg, Maria Castedal, Allan Rasmussen, Andreas Arendtsen Rostved, Helena Isoniemi, Matteo Bottai, Annika Bergquist
OBJECTIVES: The risk for recurrent primary sclerosing cholangitis (rPSC) after liver transplantation is associated with inflammatory bowel disease (IBD). We assessed the frequency of rPSC and studied risk factors for recurrent disease with special focus on IBD. We also evaluated the importance of rPSC for prognosis. MATERIALS AND METHODS: All liver transplanted PSC patients in the Nordic countries between 1984 and 2007 (n = 440), identified by the Nordic Liver Transplant Registry, were studied...
March 2018: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/29203468/edc-impact-reduced-sperm-counts-in-rats-exposed-to-human-relevant-mixtures-of-endocrine-disrupters
#7
M Axelstad, U Hass, M Scholze, S Christiansen, A Kortenkamp, J Boberg
Human semen quality is declining in many parts of the world, but the causes are ill defined. In rodents, impaired sperm production can be seen with early life exposure to certain endocrine-disrupting chemicals, but the effects of combined exposures are not properly investigated. In this study, we examined the effects of early exposure to the painkiller paracetamol and mixtures of human relevant endocrine-disrupting chemicals in rats. One mixture contained four estrogenic compounds; another contained eight anti-androgenic environmental chemicals and a third mixture contained estrogens, anti-androgens and paracetamol...
January 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29049612/long-term-change-in-the-risk-of-skin-cancer-after-organ-transplantation-a-population-based-nationwide-cohort-study
#8
Syed Mohammad Husain Rizvi, Bjarte Aagnes, Hallvard Holdaas, Einar Gude, Kristin Muri Boberg, Øystein Bjørtuft, Per Helsing, Torbjørn Leivestad, Bjørn Møller, Petter Gjersvik
Importance: The high risk of skin cancer after organ transplantation is a major clinical challenge and well documented, but reports on temporal trends in the risk of posttransplant cutaneous squamous cell carcinoma (SCC) are few and appear contradictory. Objective: To study temporal trends for the risk of skin cancer, particularly SCC, after organ transplantation. Design, Setting, and Participants: Population-based, nationwide, prospective cohort study of 8026 patients receiving a kidney, heart, lung, or liver transplant in Norway from 1968 through 2012 using patient data linked to a national cancer registry...
December 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28961840/acute-liver-graft-rejection-after-ipilimumab-therapy
#9
S Dueland, T K Guren, K M Boberg, H M Reims, K Grzyb, S Aamdal, L Julsrud, P D Line
No abstract text is available yet for this article.
October 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28925583/decreasing-incidence-of-cancer-after-liver-transplantation-a-nordic-population-based-study-over-three-decades
#10
A Nordin, F Åberg, E Pukkala, C R Pedersen, H H Storm, A Rasmussen, W Bennet, M Olausson, H Wilczek, B-G Ericzon, S Tretli, P-D Line, T H Karlsen, K M Boberg, H Isoniemi
Cancer remains one of the most serious long-term complications after liver transplantation (LT). Data for all adult LT patients between 1982 and 2013 was extracted from the Nordic Liver Transplant Registry. Through linkage with respective national cancer-registry data, we calculated standardized incidence ratios (SIRs) based on country, sex, calendar time, and age-specific incidence rates. Altogether 461 cancers were observed in 424 individuals out the 4246 LT patients during a mean 6.6-year follow-up. The overall SIR was 2...
September 19, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28616453/reproducibility-discrepancies-following-reanalysis-of-raw-data-for-a-previously-published-study-on-diisononyl-phthalate-dinp-in-rats
#11
Min Chen, Rebecca Alyea, Peter Morfeld, Rainer Otter, Jessica Kemmerling, Christine Palermo
A 2011 publication by Boberg et al. entitled "Reproductive and behavioral effects of diisononyl phthalate (DINP) in perinatally exposed rats" [1] reported statistically significant changes in sperm parameters, testicular histopathology, anogenital distance and retained nipples in developing males. Using the statistical methods as reported by Boberg et al. (2011) [1], we reanalyzed the publically available raw data ([dataset] US EPA (United States Environmental Protection Agency), 2016) [2]. The output of our reanalysis and the discordances with the data as published in Boberg et al...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28588885/elevated-trimethylamine-n-oxide-tmao-is-associated-with-poor-prognosis-in-primary-sclerosing-cholangitis-patients-with-normal-liver-function
#12
Martin Kummen, Mette Vesterhus, Marius Trøseid, Bjørn Moum, Asbjørn Svardal, Kirsten Muri Boberg, Pål Aukrust, Tom Hemming Karlsen, Rolf Kristian Berge, Johannes Roksund Hov
BACKGROUND: Trimethylamine-N-oxide (TMAO) is produced in the liver from trimethylamine, which is exclusively generated by gut bacteria. OBJECTIVE: The objective of this article is to investigate the relationship between TMAO and primary sclerosing cholangitis (PSC) and its clinical characteristics. METHODS: Serum TMAO was measured in 305 PSC patients, 90 ulcerative colitis patients and 99 healthy controls. RESULTS: In PSC patients with normal liver function (n = 197), TMAO was higher in patients reaching liver transplantation or death during follow-up than those who did not, with an optimal TMAO cut-off of 4...
June 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28526456/combined-exposure-to-low-doses-of-pesticides-causes-decreased-birth-weights-in-rats
#13
Ulla Hass, Sofie Christiansen, Marta Axelstad, Martin Scholze, Julie Boberg
Decreased birth weight is a common effect of many pesticides in reproductive toxicity studies, but there are no empirical data on how pesticides act in combination on this endpoint. We hypothesized that a mixture of six pesticides (cyromazine, MCPB, pirimicarb, quinoclamine, thiram, and ziram) would decrease birth weight, and that these mixture effects could be predicted by the Dose Addition model. Data for the predictions were obtained from the Draft Assessment Reports of the individual pesticides. A mixture of equi-effective doses of these pesticides was tested in two studies in Wistar rats, showing mixture effects in good agreement with the additivity predictions...
May 17, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28450750/environmental-influences-on-ovarian-dysgenesis-developmental-windows-sensitive-to-chemical-exposures
#14
REVIEW
Hanna Katarina Lilith Johansson, Terje Svingen, Paul A Fowler, Anne Marie Vinggaard, Julie Boberg
A woman's reproductive health and ability to have children directly affect numerous aspects of her life, from personal well-being and socioeconomic standing, to morbidity and lifespan. In turn, reproductive health depends on the development of correctly functioning ovaries, a process that starts early during fetal life. Early disruption to ovarian programming can have long-lasting consequences, potentially manifesting as disease much later in adulthood. A growing body of evidence suggests that exposure to chemicals early in life, including endocrine-disrupting chemicals, can cause a range of disorders later in life, such as those described in the ovarian dysgenesis syndrome hypothesis...
July 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28396165/commentary-role-of-mesenchymal-stromal-cell-mediated-crosstalk-with-macrophages-in-graft-versus-host-disease-and-tissue-repair
#15
Lindsay C Davies, Erik Boberg, Katarina Le Blanc
No abstract text is available yet for this article.
April 7, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28390501/internet-based-extinction-therapy-for-worry-a-randomized-controlled-trial
#16
RANDOMIZED CONTROLLED TRIAL
Erik Andersson, Erik Hedman, Olle Wadström, Julia Boberg, Emil Yaroslav Andersson, Erland Axelsson, Johan Bjureberg, Timo Hursti, Brjánn Ljótsson
Worry is a common phenotype in both psychiatric patients and the normal population. Worry can be seen as a covert behavior with primary function to avoid aversive emotional experiences. Our research group has developed a treatment protocol based on an operant model of worry, where we use exposure-based strategies to extinguish the catastrophic worry thoughts. The aim of this study was to test this treatment delivered via the Internet in a large-scale randomized controlled trial. We randomized 140 high-worriers (defined as > 56 on the Penn State Worry Questionnaire [PSWQ]) to either Internet-based extinction therapy (IbET) or to a waiting-list condition (WL)...
May 2017: Behavior Therapy
https://www.readbyqxmd.com/read/28274849/patient-age-sex-and-inflammatory-bowel-disease-phenotype-associate-with-course-of-primary-sclerosing-cholangitis
#17
MULTICENTER STUDY
Tobias J Weismüller, Palak J Trivedi, Annika Bergquist, Mohamad Imam, Henrike Lenzen, Cyriel Y Ponsioen, Kristian Holm, Daniel Gotthardt, Martti A Färkkilä, Hanns-Ulrich Marschall, Douglas Thorburn, Rinse K Weersma, Johan Fevery, Tobias Mueller, Olivier Chazouillères, Kornelius Schulze, Konstantinos N Lazaridis, Sven Almer, Stephen P Pereira, Cynthia Levy, Andrew Mason, Sigrid Naess, Christopher L Bowlus, Annarosa Floreani, Emina Halilbasic, Kidist K Yimam, Piotr Milkiewicz, Ulrich Beuers, Dep K Huynh, Albert Pares, Christine N Manser, George N Dalekos, Bertus Eksteen, Pietro Invernizzi, Christoph P Berg, Gabi I Kirchner, Christoph Sarrazin, Vincent Zimmer, Luca Fabris, Felix Braun, Marco Marzioni, Brian D Juran, Karouk Said, Christian Rupp, Kalle Jokelainen, Maria Benito de Valle, Francesca Saffioti, Angela Cheung, Michael Trauner, Christoph Schramm, Roger W Chapman, Tom H Karlsen, Erik Schrumpf, Christian P Strassburg, Michael P Manns, Keith D Lindor, Gideon M Hirschfield, Bettina E Hansen, Kirsten M Boberg
BACKGROUND & AIMS: Primary sclerosing cholangitis (PSC) is an orphan hepatobiliary disorder associated with inflammatory bowel disease (IBD). We aimed to estimate the risk of disease progression based on distinct clinical phenotypes in a large international cohort of patients with PSC. METHODS: We performed a retrospective outcome analysis of patients diagnosed with PSC from 1980 through 2010 at 37 centers in Europe, North America, and Australia. For each patient, we collected data on sex, clinician-reported age at and date of PSC and IBD diagnoses, phenotypes of IBD and PSC, and date and indication of IBD-related surgeries...
June 2017: Gastroenterology
https://www.readbyqxmd.com/read/28267887/enhanced-liver-fibrosis-test-predicts-transplant-free-survival-in-primary-sclerosing-cholangitis-a-multi-centre-study
#18
Elisabeth M G de Vries, Martti Färkkilä, Piotr Milkiewicz, Johannes R Hov, Bertus Eksteen, Douglas Thorburn, Olivier Chazouillères, Albert Pares, Ståle Nygård, Odd H Gilja, Ewa Wunsch, Pietro Invernizzi, Marco Carbone, Francesca Bernuzzi, Kirsten M Boberg, Helge Røsjø, William Rosenberg, Ulrich H Beuers, Cyriel Y Ponsioen, Tom H Karlsen, Mette Vesterhus
BACKGROUND & AIMS: Biomarkers reflecting disease activity and prognosis in primary sclerosing cholangitis (PSC) have not been firmly established. Enhanced liver fibrosis (ELF) test was previously reported to predict outcome in PSC. We aimed to validate the prognostic utility of ELF test in an independent, multi-centre, retrospective PSC study population. METHODS: We collected serum samples from PSC patients from seven countries. We estimated rates of transplant-free survival by the Kaplan-Meier method, used Cox proportional hazards regression to explore the association between ELF test and clinical outcome and determined prognostic performance of ELF test by computing the area under the receiver operating characteristic (AUC-ROC) curve...
October 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28161472/novel-serum-and-bile-protein-markers-predict-primary-sclerosing-cholangitis-disease-severity-and-prognosis
#19
Mette Vesterhus, Anders Holm, Johannes Roksund Hov, Ståle Nygård, Erik Schrumpf, Espen Melum, Liv Wenche Thorbjørnsen, Vemund Paulsen, Knut Lundin, Inge Dale, Odd Helge Gilja, Serge J L B Zweers, Morten Vatn, Frank G Schaap, Peter L M Jansen, Thor Ueland, Helge Røsjø, Bjørn Moum, Cyriel Y Ponsioen, Kirsten Muri Boberg, Martti Färkkilä, Tom H Karlsen, Fridtjof Lund-Johansen
BACKGROUND & AIMS: Prognostic biomarkers are lacking in primary sclerosing cholangitis, hampering patient care and the development of therapy. We aimed to identify novel protein biomarkers of disease severity and prognosis in primary sclerosing cholangitis (PSC). METHODS: Using a bead-based array targeting 63 proteins, we profiled a derivation panel of Norwegian endoscopic retrograde cholangiography bile samples (55 PSC, 20 disease controls) and a Finnish validation panel (34 PSC, 10 disease controls)...
June 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28150710/foliar-fungi-of-betula-pendula-impact-of-tree-species-mixtures-and-assessment-methods
#20
Diem Nguyen, Johanna Boberg, Michelle Cleary, Helge Bruelheide, Lydia Hönig, Julia Koricheva, Jan Stenlid
Foliar fungi of silver birch (Betula pendula) in an experimental Finnish forest were investigated across a gradient of tree species richness using molecular high-throughput sequencing and visual macroscopic assessment. We hypothesized that the molecular approach detects more fungal taxa than visual assessment, and that there is a relationship among the most common fungal taxa detected by both techniques. Furthermore, we hypothesized that the fungal community composition, diversity, and distribution patterns are affected by changes in tree diversity...
February 2, 2017: Scientific Reports
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