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https://www.readbyqxmd.com/read/28642294/mhc-class-ii-invariant-chain-peptide-or-gamma-delta-t-cell-depletion-ameliorates-experimental-preeclampsia
#1
Piyali Chatterjee, Valorie L Chiasson, Geetha Seerangan, Eugene De Guzman, Moheb Milad, Kelsey R Bounds, Olga Gasheva, Richard P Tobin, Mohamad Hatahet, Shelley Kopriva, Kathleen A Jones, M Karen Newell-Rogers, Brett Mitchell
Excessive innate immune system activation and inflammation during pregnancy can lead to organ injury and dysfunction and preeclampsia; however, the molecular mechanisms involved are unknown.  We tested the hypothesis that Toll-like receptor activation induces MHC class II invariant chain peptide (CLIP) expression on immune cells, makes them pro-inflammatory, and are necessary to cause preeclampsia-like features in mice.  Treatment with VG1177, a competitive antagonist peptide for CLIP in the groove of MHC class II, was able to both prevent and treat preeclampsia-like features in mice...
June 22, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28640578/the-insect-analogue-to-the-lotus-leaf-a-planthopper-wing-membrane-incorporating-a-low-adhesion-non-wetting-superhydrophobic-bactericidal-and-biocompatible-surface
#2
Gregory Shaun Watson, David W Green, Bronwen W Cribb, Christopher Leslie Brown, Christopher Merritt, Mark James Tobin, Jitraporn Vongsvivut, Ming-Xia Sun, Alping Liang, Jolanta Anna Watson
Nature has produced many intriguing and spectacular surfaces at the micro and nanoscales. These small surface decorations act for a singular or, in most cases, a range of functions. The minute landscape found on the lotus leaf is one such example, displaying anti-wetting behaviour and low adhesion with foreign particulate matter. Indeed the lotus leaf has often been considered the 'benchmark' for such properties. One could expect that there are animal counterparts of this self-drying and self-cleaning surface system...
June 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28636748/e-cadherin-mediates-uvr-and-calcium-induced-melanin-transfer-in-human-skin-cells
#3
Suman K Singh, Richard Baker, Stephen K Sikkink, Carine Nizard, Sylvianne Schnebert, Robin Kurfurst, Desmond J Tobin
Skin pigmentation is directed by epidermal-melanin units, characterized by long-lived and dendritic epidermal melanocytes (MC) that interact with viable keratinocytes (KC) to contribute melanin to the epidermis. Previously we reported that MC:KC contact is required for melanosome transfer, that this can be enhanced by filopodial and by UVR/UVA irradiation, which can up-regulate melanosome transfer via Myosin X-mediated control of MC filopodia. Both MC and KC express Ca(2+) -dependent E-cadherins. These homophilic adhesion contacts induce transient increases in intra-KC Ca(2+) , while ultraviolet radiation (UVR) raises intra-MC Ca(2+) via calcium selective ORAI1 ion channels; both are associated with regulating melanogenesis...
June 21, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28624884/age-at-menarche-and-lung-function-a-mendelian-randomization-study
#4
Dipender Gill, Nuala A Sheehan, Matthias Wielscher, Nick Shrine, Andre F S Amaral, John R Thompson, Raquel Granell, Bénédicte Leynaert, Francisco Gómez Real, Ian P Hall, Martin D Tobin, Juha Auvinen, Susan M Ring, Marjo-Riitta Jarvelin, Louise V Wain, John Henderson, Deborah Jarvis, Cosetta Minelli
A trend towards earlier menarche in women has been associated with childhood factors (e.g. obesity) and hypothesised environmental exposures (e.g. endocrine disruptors present in household products). Observational evidence has shown detrimental effects of early menarche on various health outcomes including adult lung function, but these might represent spurious associations due to confounding. To address this we used Mendelian randomization where genetic variants are used as proxies for age at menarche, since genetic associations are not affected by classical confounding...
June 17, 2017: European Journal of Epidemiology
https://www.readbyqxmd.com/read/28614602/uv-ozone-interfacial-modification-in-organic-transistors-for-high-sensitivity-no2-detection
#5
Wei Huang, Xinming Zhuang, Ferdinand S Melkonyan, Binghao Wang, Li Zeng, Gang Wang, Shijiao Han, Michael J Bedzyk, Junsheng Yu, Tobin J Marks, Antonio Facchetti
A new type of nitrogen dioxide (NO2 ) gas sensor based on copper phthalocyanine (CuPc) thin film transistors (TFTs) with a simple, low-cost UV-ozone (UVO)-treated polymeric gate dielectric is reported here. The NO2 sensitivity of these TFTs with the dielectric surface UVO treatment is ≈400× greater for [NO2 ] = 30 ppm than for those without UVO treatment. Importantly, the sensitivity is ≈50× greater for [NO2 ] = 1 ppm with the UVO-treated TFTs, and a limit of detection of ≈400 ppb is achieved with this sensing platform...
June 14, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28613842/correction-to-effects-of-additives-on-the-morphology-of-solution-phase-aggregates-formed-by-active-layer-components-of-high-efficiency-organic-solar-cells
#6
Sylvia J Lou, Jodi M Szarko, Tao Xu, Luping Yu, Tobin J Marks, Lin X Chen
No abstract text is available yet for this article.
June 14, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28608801/automaticity-and-flexibility-of-s-r-retrieval-during-priming
#7
Hope Tobin, Elizabeth Race
Learned associations between stimuli and responses (S-R associations) make important contributions to behavioral and neural priming. The current study investigated the automaticity and flexibility of these S-R associations and whether the global task context in which they occur modulates the impact of S-R retrieval on priming. Participants engaged in a semantic repetition priming task in which S-R retrieval is known to influence priming. Across participants, repetition priming occurred in global task contexts (i...
June 13, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28604730/large-scale-association-analysis-identifies-new-lung-cancer-susceptibility-loci-and-heterogeneity-in-genetic-susceptibility-across-histological-subtypes
#8
James D McKay, Rayjean J Hung, Younghun Han, Xuchen Zong, Robert Carreras-Torres, David C Christiani, Neil E Caporaso, Mattias Johansson, Xiangjun Xiao, Yafang Li, Jinyoung Byun, Alison Dunning, Karen A Pooley, David C Qian, Xuemei Ji, Geoffrey Liu, Maria N Timofeeva, Stig E Bojesen, Xifeng Wu, Loic Le Marchand, Demetrios Albanes, Heike Bickeböller, Melinda C Aldrich, William S Bush, Adonina Tardon, Gad Rennert, M Dawn Teare, John K Field, Lambertus A Kiemeney, Philip Lazarus, Aage Haugen, Stephen Lam, Matthew B Schabath, Angeline S Andrew, Hongbing Shen, Yun-Chul Hong, Jian-Min Yuan, Pier Alberto Bertazzi, Angela C Pesatori, Yuanqing Ye, Nancy Diao, Li Su, Ruyang Zhang, Yonathan Brhane, Natasha Leighl, Jakob S Johansen, Anders Mellemgaard, Walid Saliba, Christopher A Haiman, Lynne R Wilkens, Ana Fernandez-Somoano, Guillermo Fernandez-Tardon, Henricus F M van der Heijden, Jin Hee Kim, Juncheng Dai, Zhibin Hu, Michael P A Davies, Michael W Marcus, Hans Brunnström, Jonas Manjer, Olle Melander, David C Muller, Kim Overvad, Antonia Trichopoulou, Rosario Tumino, Jennifer A Doherty, Matt P Barnett, Chu Chen, Gary E Goodman, Angela Cox, Fiona Taylor, Penella Woll, Irene Brüske, H-Erich Wichmann, Judith Manz, Thomas R Muley, Angela Risch, Albert Rosenberger, Kjell Grankvist, Mikael Johansson, Frances A Shepherd, Ming-Sound Tsao, Susanne M Arnold, Eric B Haura, Ciprian Bolca, Ivana Holcatova, Vladimir Janout, Milica Kontic, Jolanta Lissowska, Anush Mukeria, Simona Ognjanovic, Tadeusz M Orlowski, Ghislaine Scelo, Beata Swiatkowska, David Zaridze, Per Bakke, Vidar Skaug, Shanbeh Zienolddiny, Eric J Duell, Lesley M Butler, Woon-Puay Koh, Yu-Tang Gao, Richard S Houlston, John McLaughlin, Victoria L Stevens, Philippe Joubert, Maxime Lamontagne, David C Nickle, Ma'en Obeidat, Wim Timens, Bin Zhu, Lei Song, Linda Kachuri, María Soler Artigas, Martin D Tobin, Louise V Wain, Thorunn Rafnar, Thorgeir E Thorgeirsson, Gunnar W Reginsson, Kari Stefansson, Dana B Hancock, Laura J Bierut, Margaret R Spitz, Nathan C Gaddis, Sharon M Lutz, Fangyi Gu, Eric O Johnson, Ahsan Kamal, Claudio Pikielny, Dakai Zhu, Sara Lindströem, Xia Jiang, Rachel F Tyndale, Georgia Chenevix-Trench, Jonathan Beesley, Yohan Bossé, Stephen Chanock, Paul Brennan, Maria Teresa Landi, Christopher I Amos
Although several lung cancer susceptibility loci have been identified, much of the heritability for lung cancer remains unexplained. Here 14,803 cases and 12,262 controls of European descent were genotyped on the OncoArray and combined with existing data for an aggregated genome-wide association study (GWAS) analysis of lung cancer in 29,266 cases and 56,450 controls. We identified 18 susceptibility loci achieving genome-wide significance, including 10 new loci. The new loci highlight the striking heterogeneity in genetic susceptibility across the histological subtypes of lung cancer, with four loci associated with lung cancer overall and six loci associated with lung adenocarcinoma...
June 12, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28598879/prehospital-resuscitation
#9
Joshua M Tobin, David J Lockey
No abstract text is available yet for this article.
2017: International Anesthesiology Clinics
https://www.readbyqxmd.com/read/28598876/anesthesiologist-as-resuscitation-consultant
#10
Joshua M Tobin
No abstract text is available yet for this article.
2017: International Anesthesiology Clinics
https://www.readbyqxmd.com/read/28584374/demographic-characteristics-and-association-of-serum-vitamin-b12-ferritin-and-thyroid-function-with-premature-canities-in-indian-patients-from-an-urban-skin-clinic-of-north-india-a-retrospective-analysis-of-71-cases
#11
Sidharth Sonthalia, Adity Priya, Desmond J Tobin
BACKGROUND: The incidence of self-reported premature hair graying (PHG) seems to be on the rise. PHG has a profound impact on the patient's quality of life. It remains an incompletely understood etiology with limited and modest treatment options. AIM: The evaluation of the demographic and clinical profile of patients with premature canities, and exploration of the association of this entity with certain systemic disorders suspected to be related to its etiology...
May 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28584230/photobiomodulation-of-human-dermal-fibroblasts-in-vitro-decisive-role-of-cell-culture-conditions-and-treatment-protocols-on-experimental-outcome
#12
C Mignon, N E Uzunbajakava, B Raafs, N V Botchkareva, D J Tobin
Photobiomodulation-based (LLLT) therapies show tantalizing promise for treatment of skin diseases. Confidence in this approach is blighted however by lamentable inconsistency in published experimental designs, and so complicates interpretation. Here we interrogate the appropriateness of a range of previously-reported treatment parameters, including light wavelength, irradiance and radiant exposure, as well as cell culture conditions (e.g., serum concentration, cell confluency, medium refreshment, direct/indirect treatment, oxygen concentration, etc...
June 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28583264/atopic-dermatitis-and-food-sensitization-in-south-african-toddlers-role-of-fiber-and-gut-microbiota
#13
Mahboobeh Mahdavinia, Heather E Rasmussen, Phillip Engen, Jolice P Van den Berg, Erika Davis, Krista Engen, Stefan J Green, Ankur Naqib, Maresa Botha, Claudia Gray, Nonhlanhla Lunjani, Carol Hlela, Wisdom Basera, Lelani Hobane, Alexandra Watkins, Mary C Tobin, Alan Landay, Ali Keshavarzian, Michael E Levin
No abstract text is available yet for this article.
June 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28575578/chain-length-dependence-of-the-dielectric-constant-and-polarizability-in-conjugated-organic-thin-films
#14
Colin Van Dyck, Tobin J Marks, Mark A Ratner
Dielectric materials are ubiquitous in optics, electronics, and materials science. Recently, there have been new efforts to characterize the dielectric performance of thin films composed of molecular assemblies. In this context, we investigate here the relationship between the polarizability of the constituent molecules and the film dielectric constant, using periodic density functional theory (DFT) calculations, for polyyne and saturated alkane chains. In particular, we explore the implication of the superlinear chain length dependence of the polarizability, a specific feature of conjugated molecules...
June 14, 2017: ACS Nano
https://www.readbyqxmd.com/read/28574740/people-who-inject-drugs-and-have-mood-disorders-a-brief-assessment-of-health-risk-behaviors
#15
Stacey Carroll Williams, Melissa Ann Davey-Rothwell, Karin E Tobin, Carl Latkin
BACKGROUND: People who inject drugs have a greater risk of infectious disease and mortality than other substance abusers and nondrug users. Variation in risk behavior among people who inject drugs is likely associated with comorbid mental health disorders. OBJECTIVES: Examine the association between a history of mood disorder and recent risk behavior among people who inject drugs. METHODS: With baseline data from a behavioral HIV prevention clinical trial in a population of people who inject drugs, we used logistic regression models to compare the risk behaviors of people who report a past diagnosis of bipolar disorder (n = 113) or depression (n = 237) to a comparison group with no history of diagnosed mental illness (n = 446)...
June 2, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28573809/female-genital-mutilation-and-the-role-of-health-care-practitioners
#16
EDITORIAL
David Isaacs, Bernadette Tobin
No abstract text is available yet for this article.
June 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28572622/probing-the-action-of-a-novel-anti-leukaemic-drug-therapy-at-the-single-cell-level-using-modern-vibrational-spectroscopy-techniques
#17
Joanna L Denbigh, David Perez-Guaita, Robbin R Vernooij, Mark J Tobin, Keith R Bambery, Yun Xu, Andrew D Southam, Farhat L Khanim, Mark T Drayson, Nicholas P Lockyer, Royston Goodacre, Bayden R Wood
Acute myeloid leukaemia (AML) is a life threatening cancer for which there is an urgent clinical need for novel therapeutic approaches. A redeployed drug combination of bezafibrate and medroxyprogesterone acetate (BaP) has shown anti-leukaemic activity in vitro and in vivo. Elucidation of the BaP mechanism of action is required in order to understand how to maximise the clinical benefit. Attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy, Synchrotron radiation FTIR (S-FTIR) and Raman microspectroscopy are powerful complementary techniques which were employed to probe the biochemical composition of two AML cell lines in the presence and absence of BaP...
June 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28570322/autoimmune-neurology-of-the-central-nervous-system
#18
W Oliver Tobin, Sean J Pittock
PURPOSE OF REVIEW: This article reviews the rapidly evolving spectrum of autoimmune neurologic disorders with a focus on those that involve the central nervous system, providing an understanding of how to approach the diagnostic workup of patients presenting with central nervous system symptoms or signs that could be immune mediated, either paraneoplastic or idiopathic, to guide therapeutic decision making. RECENT FINDINGS: The past decade has seen a dramatic increase in the discovery of novel neural antibodies and their targets...
June 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28552196/whole-genome-sequencing-coupled-to-imputation-discovers-genetic-signals-for-anthropometric-traits
#19
Ioanna Tachmazidou, Dániel Süveges, Josine L Min, Graham R S Ritchie, Julia Steinberg, Klaudia Walter, Valentina Iotchkova, Jeremy Schwartzentruber, Jie Huang, Yasin Memari, Shane McCarthy, Andrew A Crawford, Cristina Bombieri, Massimiliano Cocca, Aliki-Eleni Farmaki, Tom R Gaunt, Pekka Jousilahti, Marjolein N Kooijman, Benjamin Lehne, Giovanni Malerba, Satu Männistö, Angela Matchan, Carolina Medina-Gomez, Sarah J Metrustry, Abhishek Nag, Ioanna Ntalla, Lavinia Paternoster, Nigel W Rayner, Cinzia Sala, William R Scott, Hashem A Shihab, Lorraine Southam, Beate St Pourcain, Michela Traglia, Katerina Trajanoska, Gialuigi Zaza, Weihua Zhang, María S Artigas, Narinder Bansal, Marianne Benn, Zhongsheng Chen, Petr Danecek, Wei-Yu Lin, Adam Locke, Jian'an Luan, Alisa K Manning, Antonella Mulas, Carlo Sidore, Anne Tybjaerg-Hansen, Anette Varbo, Magdalena Zoledziewska, Chris Finan, Konstantinos Hatzikotoulas, Audrey E Hendricks, John P Kemp, Alireza Moayyeri, Kalliope Panoutsopoulou, Michal Szpak, Scott G Wilson, Michael Boehnke, Francesco Cucca, Emanuele Di Angelantonio, Claudia Langenberg, Cecilia Lindgren, Mark I McCarthy, Andrew P Morris, Børge G Nordestgaard, Robert A Scott, Martin D Tobin, Nicholas J Wareham, Paul Burton, John C Chambers, George Davey Smith, George Dedoussis, Janine F Felix, Oscar H Franco, Giovanni Gambaro, Paolo Gasparini, Christopher J Hammond, Albert Hofman, Vincent W V Jaddoe, Marcus Kleber, Jaspal S Kooner, Markus Perola, Caroline Relton, Susan M Ring, Fernando Rivadeneira, Veikko Salomaa, Timothy D Spector, Oliver Stegle, Daniela Toniolo, André G Uitterlinden, Inês Barroso, Celia M T Greenwood, John R B Perry, Brian R Walker, Adam S Butterworth, Yali Xue, Richard Durbin, Kerrin S Small, Nicole Soranzo, Nicholas J Timpson, Eleftheria Zeggini
Deep sequence-based imputation can enhance the discovery power of genome-wide association studies by assessing previously unexplored variation across the common- and low-frequency spectra. We applied a hybrid whole-genome sequencing (WGS) and deep imputation approach to examine the broader allelic architecture of 12 anthropometric traits associated with height, body mass, and fat distribution in up to 267,616 individuals. We report 106 genome-wide significant signals that have not been previously identified, including 9 low-frequency variants pointing to functional candidates...
June 1, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28551011/urothelial-acetylcholine-involvement-in-atp-induced-contractile-responses-of-the-rat-urinary-bladder
#20
Johanna Stenqvist, Michael Winder, Thomas Carlsson, Patrik Aronsson, Gunnar Tobin
Both acetylcholine and adenosine 5'-triphosphate (ATP) are released from the urothelium. In in vivo experiments ATP has been shown to evoke contractile responses that are significantly reduced by atropine. Currently, we aimed to examine the cholinergic part of the ATP-evoked contractile response of normal and inflamed (cyclophosphamide-treated rats) bladders. A whole bladder preparation that enabled drug administration either outside or inside the urinary bladder was used. The responses were examined in bladders from control and cyclophosphamide-treated rats that were either intact or urothelium-denuded...
May 25, 2017: European Journal of Pharmacology
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