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https://www.readbyqxmd.com/read/28339166/pharmacokinetics-pharmacodynamics-pharmacogenomics-safety-and-tolerability-of-avatrombopag-in-healthy-japanese-and-white-subjects
#1
Maiko Nomoto, Gina Pastino, Bhaskar Rege, Jagadeesh Aluri, Jim Ferry, David Han
Avatrombopag, an orally administered, small-molecule thrombopoietin receptor (c-Mpl) agonist, is currently in clinical development for the potential treatment of severe thrombocytopenia in patients with chronic liver disease undergoing an elective procedure. The objectives of this study were to characterize and compare the pharmacokinetics (including the food effect) and pharmacodynamics (platelet count) of avatrombopag following single doses in Japanese and white subjects. Following single dosing under fasted and fed conditions, mean peak concentrations occurred at 5 to 8 hours and subsequently declined with a half-life of 16 to 18 hours in Japanese and white subjects...
March 24, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28335812/cancerlocator-non-invasive-cancer-diagnosis-and-tissue-of-origin-prediction-using-methylation-profiles-of-cell-free-dna
#2
Shuli Kang, Qingjiao Li, Quan Chen, Yonggang Zhou, Stacy Park, Gina Lee, Brandon Grimes, Kostyantyn Krysan, Min Yu, Wei Wang, Frank Alber, Fengzhu Sun, Steven M Dubinett, Wenyuan Li, Xianghong Jasmine Zhou
We propose a probabilistic method, CancerLocator, which exploits the diagnostic potential of cell-free DNA by determining not only the presence but also the location of tumors. CancerLocator simultaneously infers the proportions and the tissue-of-origin of tumor-derived cell-free DNA in a blood sample using genome-wide DNA methylation data. CancerLocator outperforms two established multi-class classification methods on simulations and real data, even with the low proportion of tumor-derived DNA in the cell-free DNA scenarios...
March 24, 2017: Genome Biology
https://www.readbyqxmd.com/read/28333761/race-ethnicity-health-insurance-and-mortality-in-older-survivors-of-critical-illness
#3
Matthew R Baldwin, Jessica L Sell, Nina Heyden, Azka Javaid, David A Berlin, Wendy C Gonzalez, Peter B Bach, Mathew S Maurer, Gina S Lovasi, David J Lederer
OBJECTIVES: To determine whether minority race or ethnicity is associated with mortality and mediated by health insurance coverage among older (≥ 65 yr old) survivors of critical illness. DESIGN: A retrospective cohort study. SETTING: Two New York City academic medical centers. PATIENTS: A total of 1,947 consecutive white (1,107), black (361), and Hispanic (479) older adults who had their first medical-ICU admission from 2006 through 2009 and survived to hospital discharge...
March 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28332281/collagen-type-xv-and-the-osteogenic-status
#4
Gina Lisignoli, Elisabetta Lambertini, Cristina Manferdini, Elena Gabusi, Letizia Penolazzi, Francesca Paolella, Marco Angelozzi, Veronica Casagranda, Roberta Piva
We have previously demonstrated that collagen type XV (ColXV) is a novel bone extracellular matrix (ECM) protein. It is well known that the complex mixture of multiple components present in ECM can help both to maintain stemness or to promote differentiation of stromal cells following change in qualitative characteristics or concentrations. We investigated the possible correlation between ColXV expression and mineral matrix deposition by human mesenchymal stromal cells (hMSCs) with different osteogenic potential and by osteoblasts (hOBs) that are able to grow in culture medium with or without calcium...
March 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28332151/blockade-of-neuroglobin-reduces-protection-of-conditioned-medium-from-human-mesenchymal-stem-cells-in-human-astrocyte-model-t98g-under-a-scratch-assay
#5
Eliana Baez-Jurado, Gina Guio Vega, Gjumrakch Aliev, Vadim V Tarasov, Paula Esquinas, Valentina Echeverria, George E Barreto
Previous studies have indicated that paracrine factors (conditioned medium) increase wound closure and reduce reactive oxygen species in a traumatic brain injury in vitro model. Although the beneficial effects of conditioned medium from human adipose tissue-derived mesenchymal stem cells (hMSCA-CM) have been previously suggested for various neurological diseases, their actions on astrocytic cells are not well understood. In this study, we have explored the effect of hMSCA-CM on human astrocyte model (T98G cells) subjected to scratch assay...
March 22, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28331998/reverse-gyrase-is-essential-for-microbial-growth-at-95%C3%A2-%C3%A2-c
#6
Gina L Lipscomb, Elin M Hahn, Alexander T Crowley, Michael W W Adams
Reverse gyrase is an enzyme that induces positive supercoiling in closed circular DNA in vitro. It is unique to thermophilic organisms and found without exception in all microorganisms defined as hyperthermophiles, that is, those having optimal growth temperatures of 80 °C and above. Although its in vivo role has not been clearly defined, it has been implicated in stabilizing DNA at high temperatures. Whether or not it is absolutely required for growth at these high temperatures has yet to be fully determined...
March 22, 2017: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/28331592/host-sharing-by-the-honey-bee-parasites-lotmaria-passim-and-nosema-ceranae
#7
Manuel Tritschler, Gina Retschnig, Orlando Yañez, Geoffrey R Williams, Peter Neumann
The trypanosome Lotmaria passim and the microsporidian Nosema ceranae are common parasites of the honey bee, Apis mellifera, intestine, but the nature of interactions between them is unknown. Here, we took advantage of naturally occurring infections and quantified infection loads of individual workers (N = 408) originating from three apiaries (four colonies per apiary) using PCR to test for interactions between these two parasites. For that purpose, we measured the frequency of single and double infections, estimated the parasite loads of single and double infections, and determined the type of correlation between both parasites in double infections...
March 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28331502/a-qualitative-exploration-of-the-experiences-of-children-and-adolescents-with-tourette-syndrome
#8
Kim R Edwards, Sandra Mendlowitz, Elana Jackson, Claire Champigny, Matt Specht, Paul Arnold, Daniel Gorman, Gina Dimitropoulos
OBJECTIVE: The purpose of this qualitative study was to explore the experiences of youth with Tourette Syndrome (TS). METHOD: Thirteen participants with TS were recruited from a large tertiary care hospital to complete semi-structured interviews and two questionnaires pertaining to demographic information and tic severity. Thematic analysis was utilized to systematically analyze the data. RESULTS: Three main themes were identified: 1) beliefs about TS; 2) TS related distress and impairment; and, 3) coping with TS...
2017: Journal of the Canadian Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28329179/research-on-skin-cancer-related-behaviors-and-outcomes-in-the-nih-grant-portfolio-2000-2014-skin-cancer-intervention-across-the-cancer-control-continuum-sci-3c
#9
Frank M Perna, Laura A Dwyer, Gina Tesauro, Jennifer M Taber, Wynne E Norton, Anne M Hartman, Alan C Geller
Importance: The Surgeon General's Call to Action to Prevent Skin Cancer broadly identified research gaps, but specific objectives are needed to further behavioral intervention research. Objective: To review National Institute of Health (NIH) grants targeting skin cancer-related behaviors and relevant outcomes. Design, Setting, and Participants: A portfolio analysis of the title, abstract, specific aims, and research plans of identified grant applications from 2000 to 2014 targeting skin cancer-related behaviors or testing behavioral intervention effects on cancer-relevant outcomes along the cancer continuum...
March 22, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28325765/caenorhabditis-elegans-rig-i-homolog-mediates-antiviral-rna-interference-downstream-of-dicer-dependent-biogenesis-of-viral-small-interfering-rnas
#10
Stephanie R Coffman, Jinfeng Lu, Xunyang Guo, Jing Zhong, Hongshan Jiang, Gina Broitman-Maduro, Wan-Xiang Li, Rui Lu, Morris Maduro, Shou-Wei Ding
Dicer enzymes process virus-specific double-stranded RNA (dsRNA) into small interfering RNAs (siRNAs) to initiate specific antiviral defense by related RNA interference (RNAi) pathways in plants, insects, nematodes, and mammals. Antiviral RNAi in Caenorhabditis elegans requires Dicer-related helicase 1 (DRH-1), not found in plants and insects but highly homologous to mammalian retinoic acid-inducible gene I (RIG-I)-like receptors (RLRs), intracellular viral RNA sensors that trigger innate immunity against RNA virus infection...
March 21, 2017: MBio
https://www.readbyqxmd.com/read/28323938/loss-of-action-via-neurotensin-leptin-receptor-neurons-disrupts-leptin-and-ghrelin-mediated-control-of-energy-balance
#11
Juliette A Brown, Raluca Bugescu, Thomas Mayer, Adriana Gata-Garcia, Gizem Kurt, Hillary L Woodworth, Gina M Leinninger
The hormones ghrelin and leptin act via the lateral hypothalamic area (LHA) to modify energy balance but the underlying neural mechanisms remain unclear. We investigated how leptin and ghrelin engage LHA neurons to modify energy balance behaviors and whether there is any cross-talk between leptin and ghrelin-responsive circuits. We demonstrate that ghrelin activates LHA neurons expressing Hypocretin/Orexin (OX) to increase food intake. Leptin mediates anorectic actions via separate neurons expressing the long form of the leptin receptor (LepRb), many of which co-express the neuropeptide neurotensin (Nts); we refer to these as NtsLepRb neurons...
March 10, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323453/tuberculosis-treatment-outcomes-in-europe-based-on-treatment-completion-not-cure
#12
Martin J Dedicoat, Gunar Günther, Valeriu Crudu, Raquel Duarte, Gina Gualano, Cecile Magis-Escurra, Rudolf Rumetshofer, Alena Skrahina, Victor Spinu, Simon Tiberi, Piret Viiklepp, Frank van Leth, Christoph Lange
No abstract text is available yet for this article.
March 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28321518/identification-and-characterization-of-durum-wheat-micrornas-in-leaf-and-root-tissues
#13
Veronica Fileccia, Edoardo Bertolini, Paolo Ruisi, Dario Giambalvo, Alfonso Salvatore Frenda, Gina Cannarozzi, Zerihun Tadele, Cristina Crosatti, Federico Martinelli
MicroRNAs are a class of post-transcriptional regulators of plant developmental and physiological processes and responses to environmental stresses. Here, we present the study regarding the annotation and characterization of MIR genes conducted in durum wheat. We characterized the miRNAome of leaf and root tissues at tillering stage under two environmental conditions: irrigated with 100% (control) and 55% of evapotranspiration (early water stress). In total, 90 microRNAs were identified, of which 32 were classified as putative novel and species-specific miRNAs...
March 20, 2017: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/28320690/use-of-getcheckedonline-a-comprehensive-web-based-testing-service-for-sexually-transmitted-and-blood-borne-infections
#14
Mark Gilbert, Travis Salway, Devon Haag, Christopher K Fairley, Jason Wong, Troy Grennan, Zhaida Uddin, Christopher S Buchner, Tom Wong, Mel Krajden, Mark Tyndall, Jean Shoveller, Gina Ogilvie
BACKGROUND: The British Columbia Centre for Disease Control implemented a comprehensive Web-based testing service GetCheckedOnline (GCO) in September 2014 in Vancouver, Canada. GCO's objectives are to increase testing for sexually transmitted and blood-borne infections (STBBIs), reach high-prevalence populations facing testing barriers, and increase clinical STI service capacity. GCO was promoted through email invitations to provincial STI clinic clients, access codes to clients unable to access immediate clinic-based testing (deferred testers), and a campaign to gay, bisexual, and other men who have sex with men (MSM)...
March 20, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28318409/on-fertile-ground-an-initial-evaluation-of-green-care-farms-in-the-united-states
#15
Keith A Anderson, Kate P Chapin, Zachary Reimer, Gina Siffri
Green care farms (GCF) provide unique opportunities to persons with disabilities to engage in meaningful and therapeutic activities in farm settings. In this pilot study, the researchers examined the feasibility and impact of the first GCF in the United States. Qualitative interviews (N = 19) and thematic analysis were conducted. GCF participants and family members were enthusiastic about participation and identified benefits such as respite and improved mood. Administrators and farmers indicated that GCF challenged the status quo of funding, programming, and farming...
February 7, 2017: Home Health Care Services Quarterly
https://www.readbyqxmd.com/read/28315782/human-comt-over-expression-confers-a-heightened-susceptibility-to-dyskinesia-in-mice
#16
Oscar Solís, Jose-Rubén García-Montes, Patricia Garcia-Sanz, Antonio S Herranz, Maria-José Asensio, Gina Kang, Noboru Hiroi, Rosario Moratalla
Catechol-O-methyltransferase (COMT) degrades dopamine and its precursor l-DOPA and plays a critical role in regulating synaptic dopamine actions. We investigated the effects of heightened levels of COMT on dopamine-regulated motor behaviors and molecular alterations in a mouse model of dyskinesia. Transgenic mice overexpressing human COMT (TG) and their wildtype (WT) littermates received unilateral 6-OHDA lesions in the dorsal striatum and were treated chronically with l-DOPA for two weeks. l-DOPA-induced dyskinesia was exacerbated in TG mice without altering l-DOPA motor efficacy as determined by contralateral rotations or motor coordination...
March 16, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28302544/can-the-response-to-omalizumab-be-influenced-by-treatment-duration-a-real-life-study
#17
Bruno Sposato, Marco Scalese, Manuela Latorre, Federica Novelli, Nicola Scichilone, Manlio Milanese, Carmela Olivieri, Antonio Perrella, Pierluigi Paggiaro
OBJECTIVE: It is unknown whether Omalizumab effectiveness changes over the course of time. Our retrospective real-life study tried to analyze whether Omalizumab response may be influenced by treatment duration. METHODS: 340 severe asthmatics treated with Omalizumab for different periods of time were recruited. They were subdivided into 4 groups according to the Omalizumab treatment length: <12, between 12 and 24, between 24 and 60 and >60 months. Omalizumab treatment results (FEV1, exacerbations, ACT, SABA use, asthma control levels, medications used e and ICS doses) were compared...
March 13, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28301393/potential-contribution-of-mitochondrial-mt-dna-damage-associated-molecular-patterns-damps-in-transfusion-products-to-the-development-of-acute-respiratory-distress-syndrome-ards-after-multiple-transfusions
#18
Jon D Simmons, Yann-Leei L Lee, Viktor M Pastukh, Gina Capley, Cherry A Muscat, David C Muscat, Michael L Marshall, Sidney B Brevard, Mark N Gillespie
INTRODUCTION: Massive transfusions are accompanied by an increased incidence of a particularly aggressive and lethal form of acute lung injury (delayed TRALI) which occurs >24 hours after transfusions. In light of recent reports showing that mtDNA DAMPs are potent pro-inflammatory mediators, and that their abundance in the sera of severely injured or septic patients is predictive of clinical outcomes, we explored the idea that mtDNA DAMPs are present in transfusion products and are associated with the occurrence of delayed TRALI...
March 15, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28300572/the-potential-role-of-aspiration-in-the-asthmatic-airway
#19
Eoin B Hunt, Chris Ward, Stephen Power, Ashley Sullivan, Jeffrey Pearson, Susan Lapthorne, Paul M O'Byrne, Joseph Eustace, Barry J Plant, Michael M Maher, John MacSharry, Desmond M Murphy
BACKGROUND: Many asthmatics remain sub-optimally controlled despite current treatments. Reasons include comorbidities that could aggravate asthma, including gastro-esophageal reflux (GER). We aimed to investigate whether aspiration occurs in asthmatic patients and if so does it correlate with asthma control. METHODS: Patients had ACQ-7, FeNO, and spirometry performed to characterize their level of asthma control. Barium swallow with provocation was performed to assess for predisposition to aspiration...
March 11, 2017: Chest
https://www.readbyqxmd.com/read/28297074/cost-effectiveness-of-cervical-cancer-screening-methods-in-low-and-middle-income-countries-a-systematic-review
#20
REVIEW
Alex K Mezei, Heather L Armstrong, Heather N Pedersen, Nicole G Campos, Sheona M Mitchell, Musa Sekikubo, Josaphat K Byamugisha, Jane J Kim, Stirling Bryan, Gina S Ogilvie
The incidence of cervical cancer in low- and middle-income countries (LMICs) is five times higher than that observed in high-income countries (HICs). This discrepancy is largely attributed to the implementation of cytology-based screening programmes in HICs. However, due to reduced health system infrastructure requirements, HPV testing (self- and provider-collected), and visual inspection with acetic acid (VIA) have been proposed as alternatives that may be better suited to LMICs. Knowing the relative value of different screening options can inform policy and the development of sustainable prevention programs...
March 15, 2017: International Journal of Cancer. Journal International du Cancer
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