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https://www.readbyqxmd.com/read/27911443/transient-mitochondrial-dna-double-strand-breaks-in-mice-cause-accelerated-aging-phenotypes-in-a-ros-dependent-but-p53-p21-independent-manner
#1
Milena Pinto, Alicia M Pickrell, Xiao Wang, Sandra R Bacman, Aixin Yu, Aline Hida, Lloye M Dillon, Paul D Morton, Thomas R Malek, Siôn L Williams, Carlos T Moraes
We observed that the transient induction of mtDNA double strand breaks (DSBs) in cultured cells led to activation of cell cycle arrest proteins (p21/p53 pathway) and decreased cell growth, mediated through reactive oxygen species (ROS). To investigate this process in vivo we developed a mouse model where we could transiently induce mtDNA DSBs ubiquitously. This transient mtDNA damage in mice caused an accelerated aging phenotype, preferentially affecting proliferating tissues. One of the earliest phenotypes was accelerated thymus shrinkage by apoptosis and differentiation into adipose tissue, mimicking age-related thymic involution...
December 2, 2016: Cell Death and Differentiation
https://www.readbyqxmd.com/read/27908967/kinetic-modeling-of-the-tau-pet-tracer-18f-av-1451-in-human-healthy-volunteers-and-alzheimer-s-disease-subjects
#2
Olivier Barret, David Alagille, Sandra Sanabria, Robert A Comley, Robby M Weimer, Edilio Borroni, Mark Mintun, Nicholas Seneca, Caroline Papin, Thomas Morley, Ken Marek, John P Seibyl, Gilles D Tamagnan, Danna Jennings
: (18)F-AV-1451 is currently the most widely used of several experimental tau PET tracers. The objective of this study was to evaluate (18)F-AV-1451 binding with full kinetic analysis using a metabolite corrected arterial input function, and to compare parameters derived from kinetic analysis with standardized uptake value ratio (SUVR) calculated over different imaging time intervals. METHODS: (18)F-AV-1451 PET brain imaging was completed in 16 subjects: 4 young healthy volunteers (YHV), 4 aged healthy volunteers (AHV) and 8 Alzheimer's disease subjects (AD)...
December 1, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27908594/rucaparib-in-relapsed-platinum-sensitive-high-grade-ovarian-carcinoma-ariel2-part-1-an-international-multicentre-open-label-phase-2-trial
#3
Elizabeth M Swisher, Kevin K Lin, Amit M Oza, Clare L Scott, Heidi Giordano, James Sun, Gottfried E Konecny, Robert L Coleman, Anna V Tinker, David M O'Malley, Rebecca S Kristeleit, Ling Ma, Katherine M Bell-McGuinn, James D Brenton, Janiel M Cragun, Ana Oaknin, Isabelle Ray-Coquard, Maria I Harrell, Elaina Mann, Scott H Kaufmann, Anne Floquet, Alexandra Leary, Thomas C Harding, Sandra Goble, Lara Maloney, Jeff Isaacson, Andrew R Allen, Lindsey Rolfe, Roman Yelensky, Mitch Raponi, Iain A McNeish
BACKGROUND: Poly(ADP-ribose) polymerase (PARP) inhibitors have activity in ovarian carcinomas with homologous recombination deficiency. Along with BRCA1 and BRCA2 (BRCA) mutations genomic loss of heterozygosity (LOH) might also represent homologous recombination deficiency. In ARIEL2, we assessed the ability of tumour genomic LOH, quantified with a next-generation sequencing assay, to predict response to rucaparib, an oral PARP inhibitor. METHODS: ARIEL2 is an international, multicentre, two-part, phase 2, open-label study done at 49 hospitals and cancer centres in Australia, Canada, France, Spain, the UK, and the USA...
November 28, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27906782/predicting-heart-dose-in-breast-cancer-patients-who-received-3d-conformal-radiation-therapy
#4
Daniel Wollschläger, Heiko Karle, Marcus Stockinger, Detlef Bartkowiak, Sandra Bührdel, Hiltrud Merzenich, Thomas Wiegel, Heinz Schmidberger, Maria Blettner
Cardiac late effects are a major health concern for long-term survivors after radiotherapy for breast cancer. Large cohort studies to better understand the exact dose-response relationship require individual estimates of radiation dose to the heart. To predict individual cardiac dose from information that is typically available for all members of a retrospective epidemiological cohort study, 774 female breast cancer patients treated with megavoltage tangential field radiotherapy in 1998-2008 were examined. All dose distributions were calculated using Eclipse with the anisotropic analytical algorithm (AAA) for photon fields and the electron Monte Carlo algorithm for electron boost fields...
January 2017: Health Physics
https://www.readbyqxmd.com/read/27903970/ion-channels-in-control-of-pancreatic-stellate-cell-migration
#5
Hannah Storck, Benedikt Hild, Sandra Schimmelpfennig, Sarah Sargin, Nikolaj Nielsen, Angela Zaccagnino, Thomas Budde, Ivana Novak, Holger Kalthoff, Albrecht Schwab
Pancreatic stellate cells (PSCs) play a critical role in the progression of pancreatic ductal adenocarcinoma (PDAC). Once activated, PSCs support proliferation and metastasis of carcinoma cells. PSCs even co-metastasise with carcinoma cells. This requires the ability of PSCs to migrate. In recent years, it has been established that almost all "hallmarks of cancer" such as proliferation or migration/invasion also rely on the expression and function of ion channels. So far, there is only very limited information about the function of ion channels in PSCs...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27898292/changing-public-perception-about-mental-health-conditions-b4stage4-approach
#6
Sandra P Thomas
No abstract text is available yet for this article.
November 2016: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/27898044/dna-damage-inducible-transcript-4-is-an-innate-surveillant-of-hair-follicular-stress-in-vitamin-d-receptor-knockout-mice-and-a-regulator-of-wound-re-epithelialization
#7
Hengguang Zhao, Sandra Rieger, Koichiro Abe, Martin Hewison, Thomas S Lisse
Mice and human patients with impaired vitamin D receptor (VDR) signaling have normal developmental hair growth but display aberrant post-morphogenic hair cycle progression associated with alopecia. In addition, VDR(-/-) mice exhibit impaired cutaneous wound healing. We undertook experiments to determine whether the stress-inducible regulator of energy homeostasis, DNA damage-inducible transcript 4 (Ddit4), is involved in these processes. By analyzing hair cycle activation in vivo, we show that VDR(-/-) mice at day 14 exhibit increased Ddit4 expression within follicular stress compartments...
November 26, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27892456/il-12-protects-from-psoriasiform-skin-inflammation
#8
Paulina Kulig, Stephanie Musiol, Sandra Nicole Freiberger, Bettina Schreiner, Gabor Gyülveszi, Giancarlo Russo, Stanislav Pantelyushin, Kenji Kishihara, Francesca Alessandrini, Thomas Kündig, Federica Sallusto, Günther F L Hofbauer, Stefan Haak, Burkhard Becher
Neutralization of the common p40-subunit of IL-12/23 in psoriasis patients has led to a breakthrough in the management of moderate to severe disease. Aside from neutralizing IL-23, which is thought to be responsible for the curative effect, anti-p40 therapy also interferes with IL-12 signalling and type 1 immunity. Here we dissect the individual contribution of these two cytokines to the formation of psoriatic lesions and understand the effect of therapeutic co-targeting of IL-12 and IL-23 in psoriasis. Using a preclinical model for psoriatic plaque formation we show that IL-12, in contrast to IL-23, has a regulatory function by restraining the invasion of an IL-17-committed γδT (γδT17) cell subset...
November 28, 2016: Nature Communications
https://www.readbyqxmd.com/read/27884822/a-framework-for-remission-in-sle-consensus-findings-from-a-large-international-task-force-on-definitions-of-remission-in-sle-doris
#9
Ronald van Vollenhoven, Alexandre Voskuyl, George Bertsias, Cynthia Aranow, Martin Aringer, Laurent Arnaud, Anca Askanase, Petra Balážová, Eloisa Bonfa, Hendrika Bootsma, Dimitrios Boumpas, Ian Bruce, Ricard Cervera, Ann Clarke, Cindy Coney, Nathalie Costedoat-Chalumeau, László Czirják, Ronald Derksen, Andrea Doria, Thomas Dörner, Rebecca Fischer-Betz, Ruth Fritsch-Stork, Caroline Gordon, Winfried Graninger, Noémi Györi, Frédéric Houssiau, David Isenberg, Soren Jacobsen, David Jayne, Annegret Kuhn, Veronique Le Guern, Kirsten Lerstrøm, Roger Levy, Francinne Machado-Ribeiro, Xavier Mariette, Jamil Missaykeh, Eric Morand, Marta Mosca, Murat Inanc, Sandra Navarra, Irmgard Neumann, Marzena Olesinska, Michelle Petri, Anisur Rahman, Ole Petter Rekvig, Jozef Rovensky, Yehuda Shoenfeld, Josef Smolen, Angela Tincani, Murray Urowitz, Bernadette van Leeuw, Carlos Vasconcelos, Anne Voss, Victoria P Werth, Helena Zakharova, Asad Zoma, Matthias Schneider, Michael Ward
OBJECTIVES: Treat-to-target recommendations have identified 'remission' as a target in systemic lupus erythematosus (SLE), but recognise that there is no universally accepted definition for this. Therefore, we initiated a process to achieve consensus on potential definitions for remission in SLE. METHODS: An international task force of 60 specialists and patient representatives participated in preparatory exercises, a face-to-face meeting and follow-up electronic voting...
November 24, 2016: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/27884813/development-and-feasibility-testing-of-prompt-care-an-ehealth-system-for-collection-and-use-of-patient-reported-outcome-measures-for-personalized-treatment-and-care-a-study-protocol
#10
Afaf Girgis, Geoff P Delaney, Anthony Arnold, Alexis Andrew Miller, Janelle V Levesque, Nasreen Kaadan, Martin G Carolan, Nicole Cook, Kenneth Masters, Thomas T Tran, Tiffany Sandell, Ivana Durcinoska, Martha Gerges, Sandra Avery, Weng Ng, Stephen Della-Fiorentina, Haryana M Dhillon, Ashley Maher
BACKGROUND: Patient-reported outcome (PRO) measures have been used widely to screen for depression, anxiety, and symptoms in cancer patients. Computer-based applications that collect patients' responses and transfer them to the treating health professional in real time have the potential to improve patient well-being and cancer outcomes. OBJECTIVE: This study will test the feasibility and acceptability of a newly developed eHealth system which facilitates PRO data capture from cancer patients, data linkage and retrieval to support clinical decisions and patient self-management, and data retrieval to support ongoing evaluation and innovative research...
November 24, 2016: JMIR Research Protocols
https://www.readbyqxmd.com/read/27878157/ruthenium-water-oxidation-catalysts-containing-the-non-planar-tetradentate-ligand-biisoquinoline-dicarboxylic-acid-biqah2
#11
Dominik Scherrer, Mauro Schilling, Sandra Luber, Thomas Fox, Bernhard Spingler, Roger Alberto, Craig J Richmond
Two ruthenium complexes containing the tetradentate ligand [1,1'-biisoquinoline]-3,3'-dicarboxylic acid, and 4-picoline or 6-bromoisoquinoline as axial ligands have been prepared. The complexes have been fully characterised and initial studies on their potential to function as molecular water oxidation catalysts have been performed. Both complexes catalyse the oxidation of water in acidic media with Ce(IV) as a stoichiometric chemical oxidant, although turnover numbers and turnover frequencies are modest when compared with the closely related Ru-bda and Ru-pda analogues...
November 23, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27875518/a-national-cluster-randomised-controlled-trial-to-examine-the-effect-of-enhanced-reminders-on-the-socioeconomic-gradient-in-uptake-in-bowel-cancer-screening
#12
Rosalind Raine, Sue M Moss, Christian von Wagner, Wendy Atkin, Ines Kralj Hans, Rosemary Howe, Francesca Solmi, Stephen Morris, Nicholas Counsell, Allan Hackshaw, Stephen Halloran, Graham Handley, Richard F Logan, Sandra Rainbow, Steve Smith, Julia Snowball, Helen Seaman, Mary Thomas, Samuel G Smith, Lesley M McGregor, Gemma Vart, Jane Wardle, Stephen W Duffy
BACKGROUND: The NHS Bowel Cancer Screening Programme in England offers biennial guaiac faecal occult blood testing (gFOBt). There is a socioeconomic gradient in participation and socioeconomically disadvantaged groups have worse colorectal cancer survival than more advantaged groups. We compared the effectiveness and cost of an enhanced reminder letter with the usual reminder letter on overall uptake of gFOBt and the socioeconomic gradient in uptake. METHODS: We enhanced the usual reminder by including a heading 'A reminder to you' and a short paragraph restating the offer of screening in simple language...
November 22, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27865902/the-regression-discontinuity-design-showed-to-be-a-valid-alternative-to-a-randomized-controlled-trial-for-estimating-treatment-effects
#13
Iris L Maas, Sandra Nolte, Otto B Walter, Thomas Berger, Martin Hautzinger, Fritz Hohagen, Wolfgang Lutz, Björn Meyer, Johanna Schröder, Christina Späth, Jan Philipp Klein, Steffen Moritz, Matthias Rose
OBJECTIVE: To compare treatment effect estimates obtained from a Regression Discontinuity (RD) design with results from an actual randomized controlled trial (RCT). STUDY DESIGN AND SETTING: Data from an RCT (EVIDENT), which studied the effect of an internet intervention on depressive symptoms measured with the Patient Health Questionnaire (PHQ-9), were used to perform an RD analysis, in which treatment allocation was determined by a cut-off value at baseline (PHQ-9=10)...
November 16, 2016: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/27856548/the-pulse-vision-change-rubrics-version-1-0-a-valid-and-equitable-tool-to-measure-transformation-of-life-sciences-departments-at-all-institution-types
#14
Loretta Brancaccio-Taras, Pamela Pape-Lindstrom, Marcy Peteroy-Kelly, Karen Aguirre, Judy Awong-Taylor, Teri Balser, Michael J Cahill, Regina F Frey, Thomas Jack, Michael Kelrick, Kate Marley, Kathryn G Miller, Marcy Osgood, Sandra Romano, J Akif Uzman, Jiuqing Zhao
The PULSE Vision & Change Rubrics, version 1.0, assess life sciences departments' progress toward implementation of the principles of the Vision and Change report. This paper reports on the development of the rubrics, their validation, and their reliability in measuring departmental change aligned with the Vision and Change recommendations. The rubrics assess 66 different criteria across five areas: Curriculum Alignment, Assessment, Faculty Practice/Faculty Support, Infrastructure, and Climate for Change. The results from this work demonstrate the rubrics can be used to evaluate departmental transformation equitably across institution types and represent baseline data about the adoption of the Vision and Change recommendations by life sciences programs across the United States...
2016: CBE Life Sciences Education
https://www.readbyqxmd.com/read/27853989/proposed-recommendations-for-diagnosing-and-managing-individuals-with-glutaric-aciduria-type-i-second-revision
#15
REVIEW
Nikolas Boy, Chris Mühlhausen, Esther M Maier, Jana Heringer, Birgit Assmann, Peter Burgard, Marjorie Dixon, Sandra Fleissner, Cheryl R Greenberg, Inga Harting, Georg F Hoffmann, Daniela Karall, David M Koeller, Michael B Krawinkel, Jürgen G Okun, Thomas Opladen, Roland Posset, Katja Sahm, Johannes Zschocke, Stefan Kölker
Glutaric aciduria type I (GA-I; synonym, glutaric acidemia type I) is a rare inherited metabolic disease caused by deficiency of glutaryl-CoA dehydrogenase located in the catabolic pathways of L-lysine, L-hydroxylysine, and L-tryptophan. The enzymatic defect results in elevated concentrations of glutaric acid, 3-hydroxyglutaric acid, glutaconic acid, and glutaryl carnitine in body tissues, which can be reliably detected by gas chromatography/mass spectrometry (organic acids) and tandem mass spectrometry (acylcarnitines)...
November 16, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27848393/comparison-of-rat-and-rabbit-embryo-fetal-developmental-toxicity-data-for-379-pharmaceuticals-on-the-nature-and-severity-of-developmental-effects
#16
Peter T Theunissen, Sonja Beken, Bruce K Beyer, William J Breslin, Gregg D Cappon, Connie L Chen, Gary Chmielewski, Luc De Schaepdrijver, Brian Enright, Jennifer E Foreman, Wafa Harrouk, Kok-Wah Hew, Alan M Hoberman, Julia Y Hui, Thomas B Knudsen, Susan B Laffan, Susan L Makris, Matt Martin, Mary Ellen McNerney, Christine L Siezen, Dinesh J Stanislaus, Jane Stewart, Kary E Thompson, Belen Tornesi, Jan Willem Van der Laan, Gerhard F Weinbauer, Sandra Wood, Aldert H Piersma
Regulatory non-clinical safety testing of human pharmaceuticals typically requires embryo-fetal developmental toxicity (EFDT) testing in two species (one rodent and one non-rodent). The question has been raised whether under some conditions EFDT testing could be limited to one species, or whether the testing in a second species could be decided on a case-by-case basis. As part of a consortium initiative, we built and queried a database of 379 compounds with EFDT studies (in both rat and rabbit animal models) conducted for marketed and non-marketed pharmaceuticals for their potential for adverse developmental and maternal outcomes, including EFDT incidence and the nature and severity of adverse findings...
November 2016: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/27846884/future-perspectives-in-melanoma-research-meeting-report-from-the-melanoma-bridge-napoli-december-1st-4th-2015
#17
Paolo A Ascierto, Sanjiv Agarwala, Gerardo Botti, Alessandra Cesano, Gennaro Ciliberto, Michael A Davies, Sandra Demaria, Reinhard Dummer, Alexander M Eggermont, Soldano Ferrone, Yang Xin Fu, Thomas F Gajewski, Claus Garbe, Veronica Huber, Samir Khleif, Michael Krauthammer, Roger S Lo, Giuseppe Masucci, Giuseppe Palmieri, Michael Postow, Igor Puzanov, Ann Silk, Stefani Spranger, David F Stroncek, Ahmad Tarhini, Janis M Taube, Alessandro Testori, Ena Wang, Jennifer A Wargo, Cassian Yee, Hassane Zarour, Laurence Zitvogel, Bernard A Fox, Nicola Mozzillo, Francesco M Marincola, Magdalena Thurin
The sixth "Melanoma Bridge Meeting" took place in Naples, Italy, December 1st-4th, 2015. The four sessions at this meeting were focused on: (1) molecular and immune advances; (2) combination therapies; (3) news in immunotherapy; and 4) tumor microenvironment and biomarkers. Recent advances in tumor biology and immunology has led to the development of new targeted and immunotherapeutic agents that prolong progression-free survival (PFS) and overall survival (OS) of cancer patients. Immunotherapies in particular have emerged as highly successful approaches to treat patients with cancer including melanoma, non-small cell lung cancer (NSCLC), renal cell carcinoma (RCC), bladder cancer, and Hodgkin's disease...
November 15, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27846573/a-pathogenic-role-for-t-cell-derived-il-22bp-in-inflammatory-bowel-disease
#18
Penelope Pelczar, Mario Witkowski, Laura Garcia Perez, Jan Kempski, Anna G Hammel, Leonie Brockmann, Dörte Kleinschmidt, Sandra Wende, Cathleen Haueis, Tanja Bedke, Marco Witkowski, Susanne Krasemann, Stefan Steurer, Carmen J Booth, Philipp Busch, Alexandra König, Ursula Rauch, Daniel Benten, Jakob R Izbicki, Thomas Rösch, Ansgar W Lohse, Till Strowig, Nicola Gagliani, Richard A Flavell, Samuel Huber
Intestinal inflammation can impair mucosal healing, thereby establishing a vicious cycle leading to chronic inflammatory bowel disease (IBD). However, the signaling networks driving chronic inflammation remain unclear. Here we report that CD4(+) T cells isolated from patients with IBD produce high levels of interleukin-22 binding protein (IL-22BP), the endogenous inhibitor of the tissue-protective cytokine IL-22. Using mouse models, we demonstrate that IBD development requires T cell-derived IL-22BP. Lastly, intestinal CD4(+) T cells isolated from IBD patients responsive to treatment with antibodies against tumor necrosis factor-α (anti-TNF-α), the most effective known IBD therapy, exhibited reduced amounts of IL-22BP expression but still expressed IL-22...
October 21, 2016: Science
https://www.readbyqxmd.com/read/27844476/coprescribing-naloxone-for-patients-on-chronic-opioid-therapy-les-sons-learned-from-a-patient-safety-initiative-in-primary-care-training-sites
#19
William Delaney, Jessica Huff, Sandra Mini, Aiswarya Thomas, Ralph Tremaglio
OBJECTIVE: To describe the development and implementation of a resident-led effort to increase coprescription of naloxone in a primary care setting. DESIGN: An exploratory, prospective pilot project to increase coprescription rates of naloxone. SETTING: Four primary care offices in western Connecticut serving as medical home training sites for primary care residents. PATIENTS, PARTICIPANTS: All patients on chronic opioid therapy...
September 2016: Journal of Opioid Management
https://www.readbyqxmd.com/read/27831852/ending-violence-against-children-a-global-initiative
#20
Sandra P Thomas
No abstract text is available yet for this article.
October 2016: Issues in Mental Health Nursing
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