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https://www.readbyqxmd.com/read/30020807/pulmonary-vascular-disease-across-the-life-span-a-call-for-bridging-pediatric-and-adult-cardiopulmonary-research-and-care
#1
Steven H Abman, Andrew T Lovering, Bradley A Maron
No abstract text is available yet for this article.
July 18, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29898659/stratification-of-candidate-genes-for-parkinson-s-disease-using-weighted-protein-protein-interaction-network-analysis
#2
Raffaele Ferrari, Demis A Kia, James E Tomkins, John Hardy, Nicholas W Wood, Ruth C Lovering, Patrick A Lewis, Claudia Manzoni
BACKGROUND: Genome wide association studies (GWAS) have helped identify large numbers of genetic loci that significantly associate with increased risk of developing diseases. However, translating genetic knowledge into understanding of the molecular mechanisms underpinning disease (i.e. disease-specific impacted biological processes) has to date proved to be a major challenge. This is primarily due to difficulties in confidently defining candidate genes at GWAS-risk loci. The goal of this study was to better characterize candidate genes within GWAS loci using a protein interactome based approach and with Parkinson's disease (PD) data as a test case...
June 13, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29871895/expanding-the-horizons-of-microrna-bioinformatics
#3
Rachael P Huntley, Barbara Kramarz, Tony Sawford, Zara Umrao, Anastasia Kalea, Vanessa Acquaah, Maria J Martin, Manuel Mayr, Ruth C Lovering
MicroRNA regulation of key biological and developmental pathways is a rapidly expanding area of research, accompanied by vast amounts of experimental data. This data, however, is not widely available in bioinformatic resources, making it difficult for researchers to find and analyze microRNA-related experimental data and define further research projects. We are addressing this problem by providing two new bioinformatics data sets that contain experimentally verified functional information for mammalian microRNAs involved in cardiovascular-relevant, and other, processes...
August 2018: RNA
https://www.readbyqxmd.com/read/29859089/prevalence-and-risk-factors-for-asymptomatic-malaria-and-genotyping-of-glucose-6-phosphate-g6pd-deficiencies-in-a-vivax-predominant-setting-lao-pdr-implications-for-sub-national-elimination-goals
#4
Andrew A Lover, Emily Dantzer, Bouasy Hongvanthong, Keobouphaphone Chindavongsa, Susie Welty, Tania Reza, Nimol Khim, Didier Menard, Adam Bennett
BACKGROUND: Lao People Democratic Republic (PDR; Laos), a landlocked country in Southeast Asia, has made important progress in reducing malaria morbidity and mortality in the past 5-6 years, and the northern provinces have very low reported incidence. To support national progress towards elimination, it is critical to verify and understand these changes in disease burden. METHODS: A two-stage cluster cross-sectional survey was conducted in four districts within four northern provinces (Khua, Phongsaly Province; Paktha, Bokeo Province; Nambak, Luang Prabang, and Muang Et, Huaphanh Province)...
June 1, 2018: Malaria Journal
https://www.readbyqxmd.com/read/29540485/adaptive-remodeling-of-skeletal-muscle-energy-metabolism-in-high-altitude-hypoxia-lessons-from-altitudeomics
#5
Adam J Chicco, Catherine H Le, Erich Gnaiger, Hans C Dreyer, Jonathan B Muyskens, Angelo D'Alessandro, Travis Nemkov, Austin D Hocker, Jessica E Prenni, Lisa M Wolfe, Nathan M Sindt, Andrew T Lovering, Andrew W Subudhi, Robert C Roach
Metabolic responses to hypoxia play important roles in cell survival strategies and disease pathogenesis in humans. However, the homeostatic adjustments that balance changes in energy supply and demand to maintain organismal function under chronic low oxygen conditions remain incompletely understood, making it difficult to distinguish adaptive from maladaptive responses in hypoxia-related pathologies. We integrated metabolomic and proteomic profiling with mitochondrial respirometry and blood gas analyses to comprehensively define the physiological responses of skeletal muscle energy metabolism to 16 days of high-altitude hypoxia (5260 m) in healthy volunteers from the AltitudeOmics project...
May 4, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29455577/exploring-autophagy-with-gene-ontology
#6
Paul Denny, Marc Feuermann, David P Hill, Ruth C Lovering, Helene Plun-Favreau, Paola Roncaglia
Autophagy is a fundamental cellular process that is well conserved among eukaryotes. It is one of the strategies that cells use to catabolize substances in a controlled way. Autophagy is used for recycling cellular components, responding to cellular stresses and ridding cells of foreign material. Perturbations in autophagy have been implicated in a number of pathological conditions such as neurodegeneration, cardiac disease and cancer. The growing knowledge about autophagic mechanisms needs to be collected in a computable and shareable format to allow its use in data representation and interpretation...
2018: Autophagy
https://www.readbyqxmd.com/read/29440116/improving-interpretation-of-cardiac-phenotypes-and-enhancing-discovery-with-expanded-knowledge-in-the-gene-ontology
#7
Ruth C Lovering, Paola Roncaglia, Douglas G Howe, Stanley J F Laulederkind, Varsha K Khodiyar, Tanya Z Berardini, Susan Tweedie, Rebecca E Foulger, David Osumi-Sutherland, Nancy H Campbell, Rachael P Huntley, Philippa J Talmud, Judith A Blake, Ross Breckenridge, Paul R Riley, Pier D Lambiase, Perry M Elliott, Lucie Clapp, Andrew Tinker, David P Hill
BACKGROUND: A systems biology approach to cardiac physiology requires a comprehensive representation of how coordinated processes operate in the heart, as well as the ability to interpret relevant transcriptomic and proteomic experiments. The Gene Ontology (GO) Consortium provides structured, controlled vocabularies of biological terms that can be used to summarize and analyze functional knowledge for gene products. METHODS AND RESULTS: In this study, we created a computational resource to facilitate genetic studies of cardiac physiology by integrating literature curation with attention to an improved and expanded ontological representation of heart processes in the Gene Ontology...
February 2018: Circulation. Genomic and precision medicine
https://www.readbyqxmd.com/read/29348070/rational-approach-to-highly-potent-and-selective-apoptosis-signal-regulating-kinase-1-ask1-inhibitors
#8
Frank Lovering, Paul Morgan, Christophe Allais, Ann Aulabaugh, Joanne Brodfuehrer, Jeanne Chang, Jotham Coe, WeiDong Ding, Heather Dowty, Margaret Fleming, Richard Frisbie, Julia Guzova, David Hepworth, Jayasankar Jasti, Steve Kortum, Ravi Kurumbail, Shashi Mohan, Nikolaos Papaioannou, Joseph W Strohbach, Fabien Vincent, Katherine Lee, Christoph W Zapf
Many diseases are believed to be driven by pathological levels of reactive oxygen species (ROS) and oxidative stress has long been recognized as a driver for inflammatory disorders. Apoptosis signal-regulating kinase 1 (ASK1) has been reported to be activated by intracellular ROS and its inhibition leads to a down regulation of p38-and JNK-dependent signaling. Consequently, ASK1 inhibitors may have the potential to treat clinically important inflammatory pathologies including renal, pulmonary and liver diseases...
February 10, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29193495/premature-birth-affects-the-degree-of-airway-dysanapsis-and-mechanical-ventilatory-constraints
#9
Joseph W Duke, Igor M Gladstone, A William Sheel, Andrew T Lovering
What is the central question of this study? Adult survivors of preterm birth without (PRE) and with bronchopulmonary dysplasia (BPD) have airflow obstruction at rest and significant mechanical ventilatory constraints during exercise compared with those born at full term (CON). Do PRE/BPD have smaller airways, indexed via the dysanapsis ratio, than CON? What is the main finding and its importance? The dysanapsis ratio was significantly smaller in BPD and PRE compared with CON, with BPD having the smallest dysanapsis ratio...
February 1, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/29181078/pain-acceptance-of-illness-adjustment-to-life-with-cancer-and-coping-strategies-in-prostate-cancer-patients
#10
Aleksandra I Czerw, Urszula Religioni, Andrzej Deptała, Adam Fronczak
Introduction: Prostate cancer is the second most common type of carcinoma in men. The rate of prostate cancer has increased approximately fivefold lover the last 30 years. The purpose of the study was to evaluate coping strategies, pain management, illness acceptance, and adjustment to cancer in patients diagnosed with prostate carcinoma and the effect of socioeconomic variables on the above-mentioned issues. Material and methods: The study included 228 patients diagnosed with prostate cancer...
October 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29142210/millisecond-dynamics-of-btk-reveal-kinome-wide-conformational-plasticity-within-the-apo-kinase-domain
#11
Mohammad M Sultan, Rajiah Aldrin Denny, Ray Unwalla, Frank Lovering, Vijay S Pande
Bruton tyrosine kinase (BTK) is a key enzyme in B-cell development whose improper regulation causes severe immunodeficiency diseases. Design of selective BTK therapeutics would benefit from improved, in-silico structural modeling of the kinase's solution ensemble. However, this remains challenging due to the immense computational cost of sampling events on biological timescales. In this work, we combine multi-millisecond molecular dynamics (MD) simulations with Markov state models (MSMs) to report on the thermodynamics, kinetics, and accessible states of BTK's kinase domain...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29067656/imaging-analysis-of-the-neuromuscular-junction-in-dystrophic-muscle
#12
Stephen J P Pratt, Shama R Iyer, Sameer B Shah, Richard M Lovering
Duchenne muscular dystrophy (DMD), caused by the absence of the protein dystrophin, is characterized as a neuromuscular disease in which muscle weakness, increased susceptibility to muscle injury, and inadequate repair appear to underlie the pathology. Considerable attention has been dedicated to studying muscle fiber damage, but there is little information to determine if damage from contraction-induced injury also occurs at or near the nerve terminal axon. Interestingly, both human patients and the mouse model for DMD (the mdx mouse) present fragmented neuromuscular junction (NMJ) morphology...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28981506/regional-initiatives-for-malaria-elimination-building-and-maintaining-partnerships
#13
Andrew A Lover, Kelly E Harvard, Alistair E Lindawson, Cara Smith Gueye, Rima Shretta, Roly Gosling, Richard Feachem
Andrew Lover and colleagues discuss regional malaria initiatives, the strengths and challenges.
October 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28934246/discovery-of-pf-06928215-as-a-high-affinity-inhibitor-of-cgas-enabled-by-a-novel-fluorescence-polarization-assay
#14
Justin Hall, Amy Brault, Fabien Vincent, Shawn Weng, Hong Wang, Darren Dumlao, Ann Aulabaugh, Dikran Aivazian, Dana Castro, Ming Chen, Jeffrey Culp, Ken Dower, Joseph Gardner, Steven Hawrylik, Douglas Golenbock, David Hepworth, Mark Horn, Lyn Jones, Peter Jones, Eicke Latz, Jing Li, Lih-Ling Lin, Wen Lin, David Lin, Frank Lovering, Nootaree Niljanskul, Ryan Nistler, Betsy Pierce, Olga Plotnikova, Daniel Schmitt, Suman Shanker, James Smith, William Snyder, Timothy Subashi, John Trujillo, Edyta Tyminski, Guoxing Wang, Jimson Wong, Bruce Lefker, Leslie Dakin, Karen Leach
Cyclic GMP-AMP synthase (cGAS) initiates the innate immune system in response to cytosolic dsDNA. After binding and activation from dsDNA, cGAS uses ATP and GTP to synthesize 2', 3' -cGAMP (cGAMP), a cyclic dinucleotide second messenger with mixed 2'-5' and 3'-5' phosphodiester bonds. Inappropriate stimulation of cGAS has been implicated in autoimmune disease such as systemic lupus erythematosus, thus inhibition of cGAS may be of therapeutic benefit in some diseases; however, the size and polarity of the cGAS active site makes it a challenging target for the development of conventional substrate-competitive inhibitors...
2017: PloS One
https://www.readbyqxmd.com/read/28439981/evolution-of-the-plasma-proteome-of-divers-before-and-after-a-single-scuba-dive
#15
Jacky Lautridou, Vianney Pichereau, Sébastien Artigaud, Benoit Bernay, Otto Barak, Ryan Hoiland, Andrew T Lovering, Ingrid Eftedal, Zeljko Dujic, François Guerrero
PURPOSE: Decompression sickness (DCS) is a poorly understood and complex systemic disease caused by inadequate desaturation following a reduction of ambient pressure. A previous proteomic study of ours showed that DCS occurrence but not diving was associated with changes in the plasma proteome in rats, including a dramatic decrease of abundance of the tetrameric form of Transthyretin (TTR). The present study aims to assess the impact on the human blood proteome of a dive inducing significant decompression stress but without inducing DCS symptoms...
September 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28104774/microrna-biomarkers-and-platelet-reactivity-the-clot-thickens
#16
REVIEW
Nicholas Sunderland, Philipp Skroblin, Temo Barwari, Rachael P Huntley, Ruifang Lu, Abhishek Joshi, Ruth C Lovering, Manuel Mayr
Over the last few years, several groups have evaluated the potential of microRNAs (miRNAs) as biomarkers for cardiometabolic disease. In this review, we discuss the emerging literature on the role of miRNAs and other small noncoding RNAs in platelets and in the circulation, and the potential use of miRNAs as biomarkers for platelet activation. Platelets are a major source of miRNAs, YRNAs, and circular RNAs. By harnessing multiomics approaches, we may gain valuable insights into their potential function. Because not all miRNAs are detectable in the circulation, we also created a gene ontology annotation for circulating miRNAs using the gene ontology term extracellular space as part of blood plasma...
January 20, 2017: Circulation Research
https://www.readbyqxmd.com/read/27856702/therapeutic-drug-monitoring-in-the-past-40-years-of-the-journal-of-antimicrobial-chemotherapy
#17
REVIEW
David Reeves, Andrew Lovering, Alison Thomson
Since the Journal of Antimicrobial Chemotherapy was first published in 1975, papers addressing therapeutic drug monitoring (TDM) have been a regular feature. Initially they focused on laboratory aspects of drug concentration measurement then they changed more to the application of TDM in a clinical setting. Over its history, the Journal has provided its readership with the latest technological and scientific advances in TDM and has helped to drive changes in TDM that have directly impacted on patient care. These have varied from improvement in the quality of antimicrobial measurements through better identification of dosage regimens and TDM targets that help predict outcome and adverse events...
December 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27849371/determinants-of-behavior-change-intention-among-heterosexual-thai-males-diagnosed-with-sexually-transmitted-diseases
#18
Ratsiri Thato, Ekkachai Daengsaard
This study sought to identify factors associated with intention to change sexual practices among heterosexual Thai males diagnosed with sexually transmitted infections (STIs). STI clinic patients (n = 247) reported their sexual behaviors and condom use during the previous 3 months. STI and HIV knowledge, motivation to change sexual practices, and behavioral skills were assessed. Then, self-reported behavior change intention, including consistent condom use, reducing number of sexual partners, not using drugs and alcohol when having sex, and refusal of condomless sex, was examined...
November 2016: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/27831428/sidelines
#19
(no author information available yet)
Red wine lovers who [Illegible word] their tipple on medicinal grounds' are drowning their sorrows after a report claimed that non-alcoholic grape juice is just as good at preventing heart disease. For years, drinkers have taken comfort in advice that substances in red wine prevent blood clotting, and therefore heart attacks and stroke. But evidence from researchers at Georgetown University in Washington DC shows that the same beneficial effects are available from purple [Illegible word] juice.
November 18, 1998: Nursing Standard
https://www.readbyqxmd.com/read/27798264/nad-repletion-improves-muscle-function-in-muscular-dystrophy-and-counters-global-parylation
#20
Dongryeol Ryu, Hongbo Zhang, Eduardo R Ropelle, Vincenzo Sorrentino, Davi A G Mázala, Laurent Mouchiroud, Philip L Marshall, Matthew D Campbell, Amir Safi Ali, Gary M Knowels, Stéphanie Bellemin, Shama R Iyer, Xu Wang, Karim Gariani, Anthony A Sauve, Carles Cantó, Kevin E Conley, Ludivine Walter, Richard M Lovering, Eva R Chin, Bernard J Jasmin, David J Marcinek, Keir J Menzies, Johan Auwerx
Neuromuscular diseases are often caused by inherited mutations that lead to progressive skeletal muscle weakness and degeneration. In diverse populations of normal healthy mice, we observed correlations between the abundance of mRNA transcripts related to mitochondrial biogenesis, the dystrophin-sarcoglycan complex, and nicotinamide adenine dinucleotide (NAD+ ) synthesis, consistent with a potential role for the essential cofactor NAD+ in protecting muscle from metabolic and structural degeneration. Furthermore, the skeletal muscle transcriptomes of patients with Duchene's muscular dystrophy (DMD) and other muscle diseases were enriched for various poly[adenosine 5'-diphosphate (ADP)-ribose] polymerases (PARPs) and for nicotinamide N-methyltransferase (NNMT), enzymes that are major consumers of NAD+ and are involved in pleiotropic events, including inflammation...
October 19, 2016: Science Translational Medicine
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