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https://www.readbyqxmd.com/read/28933018/-18-f-fluoromisonidazole-pet-in-rectal-cancer
#1
Tanuj Puri, Tessa A Greenhalgh, James M Wilson, Jamie Franklin, Lia Mun Wang, Victoria Strauss, Chris Cunningham, Mike Partridge, Tim Maughan
BACKGROUND: There is an increasing interest in developing predictive biomarkers of tissue hypoxia using functional imaging for personalised radiotherapy in patients with rectal cancer that are considered for neoadjuvant chemoradiotherapy (CRT). The study explores [(18)F]fluoromisonidazole ([(18)F]FMISO) positron emission tomography (PET) scans for predicting clinical response in rectal cancer patients receiving neoadjuvant CRT. METHODS: Patients with biopsy-proven rectal adenocarcinoma were imaged at 0-45 min, 2 and 4 h, at baseline and after 8-10 fractions of CRT (week 2)...
September 20, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28929548/an-fe-iii-aza-macrocyclic-complex-as-ph-tunable-catholyte-and-anolyte-for-redox-flow-battery-applications
#2
Pavel B Tsitovich, Anjula M Kosswattaarachchi, Matthew R Crawley, Timothy Y Tittiris, Timoth R Cook, Janet Ruth Morrow
A reversible Fe3+/Fe2+ redox couple of an aza-macrocyclic complex is evaluated as an electrolyte with a pH-tunable potential range for aqueous redox-flow batteries (RFBs). The Fe(III) complex is formed by 1,4,7-triazacyclononane (TACN) appended with three 2-methyl-imidazole donors, denoted as Fe(Tim). This complex exhibits pH-sensitive redox couples that span E1/2(Fe3+/Fe2+)=317 to -270 mV vs. NHE at pH 3.3 and pH 12.8, respectively. The 590 mV shift in potential and kinetic inertness are driven by ionization of the imidazoles at various pH values...
September 19, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28927796/development-and-evaluation-of-4-pyrrolidin-3-yl-benzonitrile-derivatives-as-inhibitors-of-lysine-specific-demethylase-1
#3
Daniel P Mould, Ulf Bremberg, Allan M Jordan, Matthis Geitmann, Alison E McGonagle, Tim C P Somervaille, Gary J Spencer, Donald J Ogilvie
As part of our ongoing efforts to develop reversible inhibitors of LSD1, we identified a series of 4-(pyrrolidin-3-yl)benzonitrile derivatives that act as successful scaffold-hops of the literature inhibitor GSK-690. The most active compound, 21g, demonstrated a Kd value of 22nM and a biochemical IC50 of 57nM. In addition, this compound displayed improved selectivity over the hERG ion channel compared to GSK-690, and no activity against the related enzymes MAO-A and B. In human THP-1 acute myeloid leukaemia cells, 21g was found to increase the expression of the surrogate cellular biomarker CD86...
August 24, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28927432/deer-presence-rather-than-abundance-determines-the-population-density-of-the-sheep-tick-ixodes-ricinus-in-dutch-forests
#4
Tim R Hofmeester, Hein Sprong, Patrick A Jansen, Herbert H T Prins, Sipke E van Wieren
BACKGROUND: Understanding which factors drive population densities of disease vectors is an important step in assessing disease risk. We tested the hypothesis that the density of ticks from the Ixodes ricinus complex, which are important vectors for tick-borne diseases, is determined by the density of deer, as adults of these ticks mainly feed on deer. METHODS: We performed a cross-sectional study to investigate I. ricinus density across 20 forest plots in the Netherlands that ranged widely in deer availability to ticks, and performed a deer-exclosure experiment in four pairs of 1 ha forest plots in a separate site...
September 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28927393/the-complete-digital-workflow-in-fixed-prosthodontics-a-systematic-review
#5
Tim Joda, Fernando Zarone, Marco Ferrari
BACKGROUND: The continuous development in dental processing ensures new opportunities in the field of fixed prosthodontics in a complete virtual environment without any physical model situations. The aim was to compare fully digitalized workflows to conventional and/or mixed analog-digital workflows for the treatment with tooth-borne or implant-supported fixed reconstructions. METHODS: A PICO strategy was executed using an electronic (MEDLINE, EMBASE, Google Scholar) plus manual search up to 2016-09-16 focusing on RCTs investigating complete digital workflows in fixed prosthodontics with regard to economics or esthetics or patient-centered outcomes with or without follow-up or survival/success rate analysis as well as complication assessment of at least 1 year under function...
September 19, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28926105/loss-of-runx1-is-associated-with-aggressive-lung-adenocarcinomas
#6
Jon Ramsey, Kelly Butnor, Zhihua Peng, Tim Leclair, Jos van der Velden, Gary Stein, Jane Lian, C Matthew Kinsey
The mammalian runt-related factor 1 (RUNX1) is a master transcription factor that regulates lineage specification of hematopoietic stem cells. RUNX1 translocations result in the development of myeloid leukemias. Recently, RUNX1 has been implicated as a tumor suppressor in other cancers. We postulated RUNX1 expression may be associated with lung adenocarcinoma etiology and/or progression. We evaluated the association of RUNX1 mRNA expression with overall survival data from The Cancer Genome Atlas (TCGA), a publically available database...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28926067/3-aminoperylene-and-ascorbate-in-aqueous-sds-one-green-laser-flash-%C3%A2-and-action-sustainably-detoxifying-a-recalcitrant-chloro-organic
#7
Tim Kohlmann, Robert Naumann, Christoph Kerzig, Martin Goez
The hydrated electron represents a "super-reductant" in water, providing 2.9 eV of reductive power, which suffices to decompose nonactivated aliphatic halides. We show that 3-amino-perylene in SDS micelles, when combined with the bioavailable ascorbate as an extramicellar sacrificial donor, sustainably produces hydrated electrons through photoredox catalysis with green light, from a metal-free system, and at near-physiological pH. Photoionization of the amine with a 532 nm laser yields an extremely long-lived radical cation as the by-product, and a subsequent reaction of the latter with the sacrificial donor across the micelle/water interface regenerates the catalyst...
September 19, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/28923959/ncor1-independent-mechanism-plays-a-role-in-the-action-of-the-unliganded-thyroid-hormone-receptor
#8
Arturo Mendoza, Inna Astapova, Hiroaki Shimizu, Molly R Gallop, Lujain Al-Sowaimel, S M Dileas MacGowan, Tim Bergmann, Anders H Berg, Danielle E Tenen, Christopher Jacobs, Anna Lyubetskaya, Linus Tsai, Anthony N Hollenberg
Nuclear receptor corepressor 1 (NCoR1) is considered to be the major corepressor that mediates ligand-independent actions of the thyroid hormone receptor (TR) during development and in hypothyroidism. We tested this by expressing a hypomorphic NCoR1 allele (NCoR1ΔID), which cannot interact with the TR, in Pax8-KO mice, which make no thyroid hormone. Surprisingly, abrogation of NCoR1 function did not reverse the ligand-independent action of the TR on many gene targets and did not fully rescue the high mortality rate due to congenital hypothyroidism in these mice...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28922801/effect-of-severe-weather-events-on-the-shedding-of-shiga-toxigenic-escherichia-coli-in-slaughter-cattle-and-phenotype-of-serogroup-o157-isolates
#9
Kim Stanford, Tim Reuter, Susan J Bach, Linda Chui, Angela Ma, Cheyenne C Conrad, Renata Tostes, Tim A McAllister
High-event periods (HEPs) occur sporadically when beef carcasses and meat have episodes of acute contamination with Shiga toxin-producing Escherichia coli (STEC). In this study, severe weather events were investigated as catalysts for HEPs based on PCR and isolate prevalence of seven E. coli serogroups in slaughter cattle feces. Winter ambient temperatures with daily means 10.5oC warmer or 12.3°C colder than seasonal norms (-10.4°C) most altered STEC shedding. Fecal samples yielded increased proportions (P < 0...
September 1, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28922661/lysophosphatidic-acid-inhibits-insulin-signaling-in-primary-rat-hepatocytes-via-the-lpa3-receptor-subtype-and-is-increased-in-obesity
#10
Susann Fayyaz, Lukasz Japtok, Fabian Schumacher, Dominik Wigger, Tim Julius Schulz, Kathrin Haubold, Erich Gulbins, Heinz Völler, Burkhard Kleuser
BACKGROUND/AIMS: Obesity is a main risk factor for the development of hepatic insulin resistance and it is accompanied by adipocyte hypertrophy and an elevated expression of different adipokines such as autotaxin (ATX). ATX converts lysophosphatidylcholine to lysophosphatidic acid (LPA) and acts as the main producer of extracellular LPA. This bioactive lipid regulates a broad range of physiological and pathological responses by activation of LPA receptors (LPA1-6). METHODS: The activation of phosphatidylinositide 3-kinases (PI3K) signaling (Akt and GSK-3ß) was analyzed via western blotting in primary rat hepatocytes...
September 1, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28922406/loss-of-liver-specific-and-sexually-dimorphic-gene-expression-by-aryl-hydrocarbon-receptor-activation-in-c57bl-6-mice
#11
Rance Nault, Kelly A Fader, Jack R Harkema, Tim Zacharewski
The aryl hydrocarbon receptor (AhR) is a highly conserved transcription factor that mediates a broad spectrum of species-, strain-, sex-, age-, tissue-, and cell-specific responses elicited by structurally diverse ligands including 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). Dose-dependent effects on liver-specific and sexually dimorphic gene expression were examined in male and female mice gavaged with TCDD every 4 days for 28 or 92 days. RNA-seq data revealed the coordinated repression of 181 genes predominately expressed in the liver including albumin (3...
2017: PloS One
https://www.readbyqxmd.com/read/28922363/predictors-of-post-thrombolysis-symptomatic-intracranial-hemorrhage-in-chinese-patients-with-acute-ischemic-stroke
#12
Mingyong Liu, Yuesong Pan, Lichun Zhou, Yongjun Wang
BACKGROUND AND PURPOSE: Predictors of symptomatic intracranial hemorrhage (sICH) in Chinese patients with acute ischemic stroke treated with recombinant tissue plasminogen activator remain unclear. METHODS: Data from the Thrombolysis Implementation and Monitor of Acute Ischemic Stroke in China (TIMS-China) study were assessed to explore risk factors for symptomatic intracranial hemorrhage after intravenous thrombolysis. Three candidate sICH definitions were analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28921638/graft-infiltrating-pd-l1-hi-cross-dressed-dendritic-cells-regulate-anti-donor-t-cell-responses-in-mouse-liver-transplant-tolerance
#13
Yoshihiro Ono, Angelica Perez-Gutierrez, Toshimasa Nakao, Helong Dai, Geoffrey Camirand, Osamu Yoshida, Shinichiro Yokota, Donna Beer Stolz, Mark A Ross, Adrian E Morelli, David A Geller, Angus W Thomson
While a key role of cross-dressing has been established in immunity to viral infection and more recently in the instigation of transplant rejection, its role in tolerance is unclear. Here, we investigated the role of intra-graft dendritic cells (DC) and cross-dressing in mouse major histocompatibility complex (MHC)-mismatched liver transplant tolerance that occurs without therapeutic immunosuppression. While donor interstitial DC diminished rapidly following transplantation, they were replaced in the liver by host DC that peaked on postoperative day (POD) 7 and persisted indefinitely...
September 16, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28920785/detomidine-and-butorphanol-for-standing-sedation-in-a-range-of-zoo-kept-ungulate-species
#14
Tim Bouts, Joanne Dodds, Karla Berry, Abdi Arif, Polly Taylor, Andrew Routh, Frank Gasthuys
General anesthesia poses risks for larger zoo species, like cardiorespiratory depression, myopathy, and hyperthermia. In ruminants, ruminal bloat and regurgitation of rumen contents with potential aspiration pneumonia are added risks. Thus, the use of sedation to perform minor procedures is justified in zoo animals. A combination of detomidine and butorphanol has been routinely used in domestic animals. This drug combination, administered by remote intramuscular injection, can also be applied for standing sedation in a range of zoo animals, allowing a number of minor procedures...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28920784/treatment-success-in-three-andean-bears-tremarctos-ornatus-with-alopecia-syndrome-using-oclacitinib-maleate-apoquel%C3%A2
#15
Gabby J Drake, Tim Nuttall, Javier López, William Magnone, Antoine Leclerc, Romain Potier, Alexis Lécu, Maëlle Guézénec, Lydia Kolter, Amélie Nicolau, Karin Lemberger, Didier Pin, Sallie B Cosgrove
Andean bear (Tremarctos ornatus) alopecia syndrome (ABAS) commonly affects captive bears, particularly sexually mature females. ABAS is characterized by bilaterally symmetrical predominantly flank alopecia with or without profound pruritus and secondary bacterial and Malassezia infections. There is no effective treatment and severely affected bears have been euthanized. This paper describes the successful management of ABAS in three female Andean bears. Skin biopsies and cytology revealed a mixed dermal inflammatory infiltrate, alopecia, hyperkeratosis, and Malassezia dermatitis...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28920751/distress-due-to-prognostic-uncertainty-in-palliative-care-frequency-distribution-and-outcomes-among-hospitalized-patients-with-advanced-cancer
#16
Robert Gramling, Susan Stanek, Paul K J Han, Paul Duberstein, Tim E Quill, Jennifer S Temel, Stewart C Alexander, Wendy G Anderson, Susan Ladwig, Sally A Norton
BACKGROUND: Prognostic uncertainty is common in advanced cancer and frequently addressed during palliative care consultation, yet we know little about its impact on quality of life (QOL). OBJECTIVE: We describe the prevalence and distribution of distress due to prognostic uncertainty among hospitalized patients with advanced cancer before palliative care consultation. We evaluate the association between this type of distress and overall QOL before and after palliative care consultation...
September 18, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28920570/brain-relevant-antibodies-in-first-episode-psychosis-a-matched-case-control-study
#17
Fiona Gaughran, John Lally, Katherine Beck, Ruaidhri McCormack, Poonam Gardner-Sood, Ester Coutinho, Leslie Jacobson, Bethan Lang, Ricardo Sainz-Fuertes, Evangelos Papanastasiou, Marta Di Forti, Tim Nicholson, Angela Vincent, Robin M Murray
BACKGROUND: There has been much recent excitement about the possibility that some cases of psychosis may be wholly due to brain-reactive antibodies, with antibodies to N-methyl-D-aspartate receptor (NMDAR) and the voltage-gated potassium channel (VGKC)-complex reported in a few patients with first-episode psychosis (FEP). METHODS: Participants were recruited from psychiatric services in South London, UK, from 2009 to 2011 as part of the Genetics and Psychosis study...
September 18, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28920005/the-frequency-of-neoantigens-per-somatic-mutation-rather-than-overall-mutational-load-or-number-of-predicted-neoantigens-per-se-is-a-prognostic-factor-in-ovarian-clear-cell-carcinoma
#18
Hirokazu Matsushita, Kosei Hasegawa, Katsutoshi Oda, Shogo Yamamoto, Akira Nishijima, Yuichi Imai, Kayo Asada, Yuji Ikeda, Takahiro Karasaki, Keiichi Fujiwara, Hiroyuki Aburatani, Kazuhiro Kakimi
Neoantigens derived from tumor-specific somatic mutations are excellent targets for anti-tumor immune responses. In ovarian clear cell carcinoma (OCCC), checkpoint blockade yields durable responses in a subset of patients. To approach the question of why only some patients respond, we first investigated neoantigen loads and immune signatures using exome sequencing and expression array data for 74 OCCC patients treated conventionally. Neither the number of missense mutations nor total predicted neoantigens assessed in the tumor correlated with clinical outcomes...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28919992/molecular-and-clinical-characterization-of-tim-3-in-glioma-through-1-024-samples
#19
Guanzhang Li, Zheng Wang, Chuanbao Zhang, Xing Liu, Jinquan Cai, Zhiliang Wang, Huimin Hu, Fan Wu, Zhaoshi Bao, Yanwei Liu, Liang Zhao, Tingyu Liang, Fan Yang, Ruoyu Huang, Wei Zhang, Tao Jiang
Background: Researches on immunotherapy of glioma has been increasing exponentially in recent years. However, autoimmune-like side effects of current immune checkpoint blockade hindered the clinical application of immunotherapy in glioma. The discovery of the TIM-3, a tumor-specific immune checkpoint, has shed a new light on solution of this dilemma. We aimed at investigating the role of TIM-3 at transcriptome level and its relationship with clinical practice in glioma. Methods: A cohort of 325 glioma patients with RNA-seq data from Chinese Glioma Genome Atlas (CGGA project) was analyzed, and the results were well validated in TCGA RNA-seq data of 699 gliomas...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28919842/international-society-of-sports-nutrition-position-stand-nutrient-timing
#20
REVIEW
Chad M Kerksick, Shawn Arent, Brad J Schoenfeld, Jeffrey R Stout, Bill Campbell, Colin D Wilborn, Lem Taylor, Doug Kalman, Abbie E Smith-Ryan, Richard B Kreider, Darryn Willoughby, Paul J Arciero, Trisha A VanDusseldorp, Michael J Ormsbee, Robert Wildman, Mike Greenwood, Tim N Ziegenfuss, Alan A Aragon, Jose Antonio
The International Society of Sports Nutrition (ISSN) provides an objective and critical review regarding the timing of macronutrients in reference to healthy, exercising adults and in particular highly trained individuals on exercise performance and body composition. The following points summarize the position of the ISSN:Nutrient timing incorporates the use of methodical planning and eating of whole foods, fortified foods and dietary supplements. The timing of energy intake and the ratio of certain ingested macronutrients may enhance recovery and tissue repair, augment muscle protein synthesis (MPS), and improve mood states following high-volume or intense exercise...
2017: Journal of the International Society of Sports Nutrition
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