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Michael karin

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https://www.readbyqxmd.com/read/28300078/altered-expression-of-maize-plastochron1-enhances-biomass-and-seed-yield-by-extending-cell-division-duration
#1
Xiaohuan Sun, James Cahill, Tom Van Hautegem, Kim Feys, Clinton Whipple, Ondrej Novák, Sofie Delbare, Charlot Versteele, Kirin Demuynck, Jolien De Block, Veronique Storme, Hannes Claeys, Mieke Van Lijsebettens, Griet Coussens, Karin Ljung, Alex De Vliegher, Michael Muszynski, Dirk Inzé, Hilde Nelissen
Maize is the highest yielding cereal crop grown worldwide for grain or silage. Here, we show that modulating the expression of the maize PLASTOCHRON1 (ZmPLA1) gene, encoding a cytochrome P450 (CYP78A1), results in increased organ growth, seedling vigour, stover biomass and seed yield. The engineered trait is robust as it improves yield in an inbred as well as in a panel of hybrids, at several locations and over multiple seasons in the field. Transcriptome studies, hormone measurements and the expression of the auxin responsive DR5rev:mRFPer marker suggest that PLA1 may function through an increase in auxin...
March 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28286333/early-non-persistence-with-dabigatran-and-rivaroxaban-in-patients-with-atrial-fibrillation
#2
Cynthia A Jackevicius, Meytal Agvil Tsadok, Vidal Essebag, Clare Atzema, Mark J Eisenberg, Jack V Tu, Lingyun Lu, Elham Rahme, P Michael Ho, Mintu Turakhia, Karin H Humphries, Hassan Behlouli, Limei Zhou, Louise Pilote
OBJECTIVE: Dabigatran and rivaroxaban are novel oral anticoagulants (NOACs) approved for stroke prevention in atrial fibrillation (AF). Although NOACs are more convenient than warfarin, their lack of monitoring may predispose patients to non-persistence. Limited information is available on NOAC non-persistence rates and related clinical outcomes in clinical practice. METHODS: We conducted a retrospective cohort study using administrative data from Ontario, Canada, from January 1998 to March 2014 of patients with AF who were dispensed dabigatran or rivaroxaban...
March 12, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28281024/retinal-toxicity-after-cisplatin-based-chemotherapy-in-patients-with-germ-cell-cancer
#3
Simon Dulz, Niels H Asselborn, Klaus-Peter Dieckmann, Cord Matthies, Walter Wagner, Jens Weidmann, Christoph Seidel, Christoph Oing, Lars A Berger, Winfried Alsdorf, Blanche Mankichian, Christian Meyer, Malte W Vetterlein, Philipp Gild, Tim A Ludwig, Armin Soave, Philipp Schriefer, Andreas Becker, Sascha A Ahyai, Karin Oechsle, Carsten Bokemeyer, Lars Wagenfeld, Margit Fisch, Michael Hartmann, Felix K-H Chun, Luis A Kluth
PURPOSE: Visual impairment represents an infrequent form of cisplatin-induced neurotoxicity; however, visual deterioration has been reported in several studies. To evaluate potential morphological and functional retinal alterations in patients with germ cell cancer (GCC) treated with cisplatin-based chemotherapy (CBC). METHODS: Multi-disciplinary and multi-institutional study design. Examination of 28 eyes of 14 male GCC patients, who had received at least one cycle of CBC...
March 9, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28280489/specific-and-novel-micrornas-are-regulated-as-response-to-fungal-infection-in-human-dendritic-cells
#4
Andreas Dix, Kristin Czakai, Ines Leonhardt, Karin Schäferhoff, Michael Bonin, Reinhard Guthke, Hermann Einsele, Oliver Kurzai, Jürgen Löffler, Jörg Linde
Within the last two decades, the incidence of invasive fungal infections has been significantly increased. They are characterized by high mortality rates and are often caused by Candida albicans and Aspergillus fumigatus. The increasing number of infections underlines the necessity for additional anti-fungal therapies, which require extended knowledge of gene regulations during fungal infection. MicroRNAs are regulators of important cellular processes, including the immune response. By analyzing their regulation and impact on target genes, novel therapeutic and diagnostic approaches may be developed...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28278704/incidence-etiology-and-timing-of-infections-following-azacitidine-therapy-for-myelodysplastic-syndromes
#5
Jason A Trubiano, Michael Dickinson, Karin A Thursky, Timothy Spelman, John F Seymour, Monica A Slavin, Leon J Worth
We examine the infective complications occurring during azacitidine (AZA) therapy in patients with myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML). A retrospective review of patients receiving ≥1 cycle of AZA for MDS or AML was performed. Patient demographics, infection prophylaxis/episodes and outcomes were evaluated. Sixty eight patients received 884 AZA cycles. Bacterial infections occurred in 25% of cycle-1 and 27% of cycle-2 AZA therapy. Febrile neutropenia complicated 5.3% of AZA cycles, bacteremia 2% and invasive Aspergillosis 0...
February 28, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28271625/clinical-characteristics-of-patients-from-the-worldwide-registry-on-peripartum-cardiomyopathy-ppcm-eurobservational-research-programme-in-conjunction-with-the-heart-failure-association-of-the-european-society-of-cardiology-study-group-on-ppcm
#6
Karen Sliwa, Alexandre Mebazaa, Denise Hilfiker-Kleiner, Mark C Petrie, Aldo P Maggioni, Cecile Laroche, Vera Regitz-Zagrosek, Maria Schaufelberger, Luigi Tavazzi, Peter van der Meer, Jolien W Roos-Hesselink, Petar Seferovic, Karin van Spandonck-Zwarts, Amam Mbakwem, Michael Böhm, Frederic Mouquet, Burkert Pieske, Roger Hall, Piotre Ponikowski, Johann Bauersachs
AIMS: The purpose of this study is to describe disease presentation, co-morbidities, diagnosis and initial therapeutic management of patients with peripartum cardiomyopathy (PPCM) living in countries belonging to the European Society of Cardiology (ESC) vs. non-ESC countries. METHODS AND RESULTS: Out of 500 patients with PPCM entered by 31 March 2016, we report on data of the first 411 patients with completed case record forms (from 43 countries) entered into this ongoing registry...
March 8, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28271431/state-of-the-art-conference-on-weight-management-in-va-policy-and-research-recommendations-for-advancing-behavioral-interventions
#7
Robin M Masheb, Stephanie H Chan, Susan D Raffa, Ronald Ackermann, Laura J Damschroder, Paul A Estabrooks, Gina Evans-Hudnall, Neil C Evans, Trina Histon, Alyson J Littman, Tannaz Moin, Karin M Nelson, Sherry Pagoto, Nico P Pronk, Deborah F Tate, Michael G Goldstein
This article summarizes outcomes of the behavioral interventions work group for the Veterans Health Administration (VHA) State of the Art Conference (SOTA) for Weight Management. Sixteen VHA and non-VHA subject matter experts, representing clinical care delivery, research, and policy arenas, participated. The work group reviewed current evidence of efficacy, effectiveness, and implementation of behavioral interventions for weight management, participated in phone- and online-based consensus processes, generated key questions to address gaps, and attended an in-person conference in March 2016...
March 7, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28270453/activation-of-the-lmo2-oncogene-through-a-somatically-acquired-neomorphic-promoter-in-t-cell-acute-lymphoblastic-leukemia
#8
Sunniyat Rahman, Michael Magnussen, Theresa E León, Nadine Farah, Zhaodong Li, Brian J Abraham, Krisztina Z Alapi, Rachel J Mitchell, Tom Naughton, Adele K Fielding, Arnold Pizzey, Sophia Bustraan, Christopher Allen, Teodora Popa, Karin Pike-Overzet, Laura Garcia-Perez, Rosemary E Gale, David C Linch, Frank J T Staal, Richard A Young, A Thomas Look, Marc R Mansour
Somatic mutations within non-coding genomic regions that aberrantly activate oncogenes have remained poorly characterized. Here we describe recurrent activating intronic mutations of LMO2, a prominent oncogene in T-cell acute lymphoblastic leukemia (T-ALL). Heterozygous mutations were identified in PF-382 and DU.528 T-ALL cell lines, in addition to 3.7% (6/160) of pediatric and 5.5% (9/163) of adult T-ALL patient samples. The majority of indels harbour putative de novo MYB, ETS1 or RUNX1 consensus binding sites...
March 7, 2017: Blood
https://www.readbyqxmd.com/read/28258055/somatic-tp53-mutations-characterize-preleukemic-stem-cells-in-acute-myeloid-leukemia
#9
Ridhima Lal, Karin Lind, Ellen Heitzer, Peter Ulz, Kristina Aubell, Karl Kashofer, Jan M Middeke, Christian Thiede, Eduard Schulz, Angelika Rosenberger, Sybille Hofer, Birgit Feilhauer, Beate Rinner, Vendula Svendova, Michael G Schimek, Frank G Rücker, Gerald Hoefler, Konstanze Döhner, Armin Zebisch, Albert Wölfler, Heinz Sill
No abstract text is available yet for this article.
March 3, 2017: Blood
https://www.readbyqxmd.com/read/28245348/acute-cardiac-mri-assessment-of-radiofrequency-ablation-lesions-for-pediatric-ventricular-arrhythmia-feasibility-and-clinical-correlation
#10
Elena K Grant, Charles I Berul, Russell R Cross, Jeffrey P Moak, Karin S Hamann, Kohei Sumihara, Ileen Cronin, Kendall J O'Brien, Kanishka Ratnayaka, Michael S Hansen, Peter Kellman, Laura J Olivieri
BACKGROUND: Arrhythmia ablation with current techniques is not universally successful. Inadequate ablation lesion formation may be responsible for some arrhythmia recurrences. Peri-procedural visualization of ablation lesions may identify inadequate lesions and gaps to guide further ablation and reduce risk of arrhythmia recurrence. METHODS: This feasibility study assessed acute post-procedure ablation lesions by MRI, and correlated these findings with clinical outcomes...
February 28, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28242240/norursodeoxycholic-acid-ameliorates-cholemic-nephropathy-in-bile-duct-ligated-mice
#11
Elisabeth Krones, Kathrin Eller, Marion J Pollheimer, Silvia Racedo, Alexander H Kirsch, Bianca Frauscher, Annika Wahlström, Marcus Ståhlman, Michael Trauner, Florian Grahammer, Tobias B Huber, Karin Wagner, Alexander R Rosenkranz, Hanns-Ulrich Marschall, Peter Fickert
BACKGROUND & AIMS: Severe cholestasis may cause cholemic nephropathy that can be modeled in common bile duct ligated (CBDL) mice. We aimed to explore the therapeutic efficacy and mechanisms of norursodeoxycholic acid (norUDCA) in cholemic nephropathy. METHODS: In 8-weeks CBDL mice fed norUDCA (prior or post CBDL) or chow we evaluated serum urea levels, urine cytology and urinary neutrophil gelatinase associated lipocalin (uNGAL), kidney and liver tissue including quantification of fibrosis by hydroxyproline content and gene chip expression including key genes of inflammation and fibrosis...
February 24, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28241133/measuring-fatigue-using-the-multidimensional-fatigue-inventory-20-a-questionable-factor-structure-in-haemodialysis-patients
#12
Joseph Chilcot, Ayman Guirguis, Karin Friedli, Michael Almond, Andrew Davenport, Clara Day, David Wellsted, Ken Farrington
BACKGROUND/AIMS: Fatigue is recognised as a common and burdensome symptom among dialysis patients. A growing body of research is devoted to understanding fatigue in advanced kidney disease, yet its measurement is challenging within this context. Our aim was to evaluate the factor structure underlying the multidimensional fatigue inventory (MFI-20) and to examine its associations with clinical factors and mood. METHODS: Data was evaluated for confirmatory factor analysis (CFA) from the screening phase of a multicentre randomised placebo-controlled trial of sertraline in haemodialysis (HD) patients...
February 28, 2017: Nephron
https://www.readbyqxmd.com/read/28237839/systemic-aav8-mediated-gene-therapy-drives-whole-body-correction-of-myotubular-myopathy-in-dogs
#13
David L Mack, Karine Poulard, Melissa A Goddard, Virginie Latournerie, Jessica M Snyder, Robert W Grange, Matthew R Elverman, Jérôme Denard, Philippe Veron, Laurine Buscara, Christine Le Bec, Jean-Yves Hogrel, Annie G Brezovec, Hui Meng, Lin Yang, Fujun Liu, Michael O'Callaghan, Nikhil Gopal, Valerie E Kelly, Barbara K Smith, Jennifer L Strande, Fulvio Mavilio, Alan H Beggs, Federico Mingozzi, Michael W Lawlor, Ana Buj-Bello, Martin K Childers
X-linked myotubular myopathy (XLMTM) results from MTM1 gene mutations and myotubularin deficiency. Most XLMTM patients develop severe muscle weakness leading to respiratory failure and death, typically within 2 years of age. Our objective was to evaluate the efficacy and safety of systemic gene therapy in the p.N155K canine model of XLMTM by performing a dose escalation study. A recombinant adeno-associated virus serotype 8 (rAAV8) vector expressing canine myotubularin (cMTM1) under the muscle-specific desmin promoter (rAAV8-cMTM1) was administered by simple peripheral venous infusion in XLMTM dogs at 10 weeks of age, when signs of the disease are already present...
February 22, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28236663/catalytic-competence-structure-and-stability-of-the-cancer-associated-r139w-variant-of-the-human-nad-p-h-quinone-oxidoreductase-1-nqo1
#14
Wolf-Dieter Lienhart, Emilia Strandback, Venugopal Gudipati, Karin Koch, Alexandra Binter, Michael K Uhl, David M Rantasa, Benjamin Bourgeois, Tobias Madl, Klaus Zangger, Karl Gruber, Peter Macheroux
The human NAD(P)H:quinone oxidoreductase 1 (NQO1; EC 1.6.99.2) is an essential enzyme in the antioxidant defence system. Furthermore, NQO1 protects tumour suppressors like p53, p33(ING)(1b) and p73 from proteasomal degradation. The activity of NQO1 is also exploited in chemotherapy for the activation of quinone-based treatments. Various single nucleotide polymorphisms are known, such as NQO1*2 and NQO1*3 yielding protein variants of NQO1 with single amino acid replacements, i.e. P187S and R139W, respectively...
February 25, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28231060/improving-quality-in-the-preanalytical-phase-through-innovation-on-behalf-of-the-european-federation-for-clinical-chemistry-and-laboratory-medicine-eflm-working-group-for-preanalytical-phase-wg-pre
#15
Giuseppe Lippi, Geoffrey S Baird, Giuseppe Banfi, Karin Bölenius, Janne Cadamuro, Stephen Church, Michael P Cornes, Anna Dacey, Antoine Guillon, Georg Hoffmann, Mads Nybo, Lakdasa Devananda Premawardhana, María Salinas, Sverre Sandberg, Robbert Slingerland, Ana Stankovic, Sylte Marit Sverresdotter, Pieter Vermeersch, Ana-Maria Simundic
It is now undeniable that laboratory testing is vital for the diagnosis, prognostication and therapeutic monitoring of human disease. Despite the many advances made for achieving a high degree of quality and safety in the analytical part of diagnostic testing, many hurdles in the total testing process remain, especially in the preanalytical phase ranging from test ordering to obtaining and managing the biological specimens. The Working Group for the Preanalytical Phase (WG-PRE) of the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM) has planned many activities aimed at mitigating the vulnerability of the preanalytical phase, including the organization of three European meetings in the past 7 years...
March 1, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28229083/what-patients-with-pulmonary-fibrosis-and-their-partners-think-a-live-educative-survey-in-the-netherlands-and-germany
#16
Mirjam J G van Manen, Michael Kreuter, Bernt van den Blink, Ute Oltmanns, Karin Palmowski, Eva Brunnemer, Simone Hummler, Nelleke C Tak, Leon van den Toorn, Jelle Miedema, Henk C Hoogsteden, Marlies S Wijsenbeek
Pulmonary fibrosis greatly impacts patients and their partners. Unmet needs of patients are increasingly acknowledged; the needs of partners often remain unnoticed. Little is known about the best way to educate patients and partners. We investigated pulmonary fibrosis patients' and partners' perspectives and preferences in care, and the differences in these between the Netherlands and Germany. Additionally, we evaluated whether interactive interviewing could be a novel education method in this population. Patients and partners were interviewed during pulmonary fibrosis patient information meetings...
January 2017: ERJ Open Research
https://www.readbyqxmd.com/read/28215843/a-pdgfr%C3%AE-mediated-switch-toward-cd9-high-adipocyte-progenitors-controls-obesity-induced-adipose-tissue-fibrosis
#17
Geneviève Marcelin, Adaliene Ferreira, Yuejun Liu, Michael Atlan, Judith Aron-Wisnewsky, Véronique Pelloux, Yair Botbol, Marc Ambrosini, Magali Fradet, Christine Rouault, Corneliu Hénégar, Jean-Sébastien Hulot, Christine Poitou, Adriana Torcivia, Raphael Nail-Barthelemy, Jean-Christophe Bichet, Emmanuel L Gautier, Karine Clément
Obesity-induced white adipose tissue (WAT) fibrosis is believed to accelerate WAT dysfunction. However, the cellular origin of WAT fibrosis remains unclear. Here, we show that adipocyte platelet-derived growth factor receptor-α-positive (PDGFRα(+)) progenitors adopt a fibrogenic phenotype in obese mice prone to visceral WAT fibrosis. More specifically, a subset of PDGFRα(+) cells with high CD9 expression (CD9(high)) originates pro-fibrotic cells whereas their CD9(low) counterparts, committed to adipogenesis, are almost completely lost in the fibrotic WAT...
March 7, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28215415/diagnostic-and-prognostic-value-of-lead-avr-during-exercise-testing-in-patients-suspected-of-having-myocardial-ischemia
#18
Max Wagener, Roger Abächerli, Ursina Honegger, Nicolas Schaerli, Gil Prêtre, Raphael Twerenbold, Christian Puelacher, Germaine Sunier, Philipp Reddiess, Maria Rubini Gimenez, Karin Wildi, Jasper Boeddinghaus, Thomas Nestelberger, Patrick Badertscher, Zaid Sabti, Ramun Schmid, Remo Leber, Dayana Flores Widmer, Samyut Shrestha, Ivo Strebel, Damian Wild, Stefan Osswald, Michael Zellweger, Christian Mueller, Tobias Reichlin
We aimed to assess the diagnostic and prognostic value of ST-segment deviation in aVR, a lead often ignored in clinical practice, during exercise testing and to compare it to the most widely used criterion of ST-segment depression in V5. We enrolled 1,596 patients with suspected myocardial ischemia referred for nuclear perfusion imaging undergoing bicycle stress testing. ST-segment amplitudes in leads aVR and V5 were automatically measured. The presence of inducible myocardial ischemia was the diagnostic end point and adjudicated based on nuclear perfusion imaging and coronary angiography...
April 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28213059/multidisciplinary-team-learning-in-the-management-of-the-morbidly-adherent-placenta-outcome-improvements-over%C3%A2-time
#19
Alireza A Shamshirsaz, Karin A Fox, Hadi Erfani, Steven L Clark, Bahram Salmanian, B Wycke Baker, Michael Coburn, Amir A Shamshirsaz, Zhoobin H Bateni, Jimmy Espinoza, Ahmed A Nassr, Edwina J Popek, Shiu-Ki Hui, Jun Teruya, Celestine Shauching Tung, Jeffery A Jones, Martha Rac, Gary A Dildy, Michael A Belfort
BACKGROUND: Morbidly adherent placenta (MAP) is a serious obstetric complication causing mortality and morbidity. OBJECTIVE: To evaluate whether outcomes of patients with MAP improve with increasing experience within a well-established multidisciplinary team at a single referral center. STUDY DESIGN: All singleton pregnancies with pathology-confirmed MAP (including placenta accreta, increta, or percreta) managed by a multidisciplinary team between January 2011 and August 2016 were included in this retrospective study...
February 16, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28207791/vitamin-d-and-mortality-individual-participant-data-meta-analysis-of-standardized-25-hydroxyvitamin-d-in-26916-individuals-from-a-european-consortium
#20
Martin Gaksch, Rolf Jorde, Guri Grimnes, Ragnar Joakimsen, Henrik Schirmer, Tom Wilsgaard, Ellisiv B Mathiesen, Inger Njølstad, Maja-Lisa Løchen, Winfried März, Marcus E Kleber, Andreas Tomaschitz, Martin Grübler, Gudny Eiriksdottir, Elias F Gudmundsson, Tamara B Harris, Mary F Cotch, Thor Aspelund, Vilmundur Gudnason, Femke Rutters, Joline W J Beulens, Esther van 't Riet, Giel Nijpels, Jacqueline M Dekker, Diana Grove-Laugesen, Lars Rejnmark, Markus A Busch, Gert B M Mensink, Christa Scheidt-Nave, Michael Thamm, Karin M A Swart, Ingeborg A Brouwer, Paul Lips, Natasja M van Schoor, Christopher T Sempos, Ramón A Durazo-Arvizu, Zuzana Škrabáková, Kirsten G Dowling, Kevin D Cashman, Mairead Kiely, Stefan Pilz
BACKGROUND: Vitamin D deficiency may be a risk factor for mortality but previous meta-analyses lacked standardization of laboratory methods for 25-hydroxyvitamin D (25[OH]D) concentrations and used aggregate data instead of individual participant data (IPD). We therefore performed an IPD meta-analysis on the association between standardized serum 25(OH)D and mortality. METHODS: In a European consortium of eight prospective studies, including seven general population cohorts, we used the Vitamin D Standardization Program (VDSP) protocols to standardize 25(OH)D data...
2017: PloS One
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