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https://www.readbyqxmd.com/read/29099089/peroxides-with-anthelmintic-antiprotozoal-fungicidal-and-antiviral-bioactivity-properties-synthesis-and-reactions
#1
REVIEW
Vera A Vil', Ivan A Yaremenko, Alexey I Ilovaisky, Alexander O Terent'ev
The biological activity of organic peroxides is usually associated with the antimalarial properties of artemisinin and its derivatives. However, the analysis of published data indicates that organic peroxides exhibit a variety of biological activity, which is still being given insufficient attention. In the present review, we deal with natural, semi-synthetic and synthetic peroxides exhibiting anthelmintic, antiprotozoal, fungicidal, antiviral and other activities that have not been described in detail earlier...
November 2, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29088920/-some-men-just-don-t-want-to-get-hurt-perspectives-of-u-s-virgin-islands-men-toward-partner-violence-and-hiv-risks
#2
Kamila A Alexander, Noelle M St Vil, Marilyn A Braithwaite-Hall, Michael Sanchez, Aletha Baumann, Gloria B Callwood, Jacquelyn C Campbell, Doris W Campbell
OBJECTIVES: Global evidence suggests that individuals who experience intimate partner violence (IPV) can have accelerated risk for HIV transmission. The U.S. Virgin Islands (USVI) has high per capita rates of HIV and IPV that can have devastating effects on women's health. Catalysts for these health disparities may be shaped by cultural and social definitions of conventional masculinity. Thus, understanding USVI men's perceptions about HIV risks and IPV are a necessary component of developing strategies to improve women's health...
October 31, 2017: Ethnicity & Health
https://www.readbyqxmd.com/read/29025732/rack1-maintains-intestinal-homeostasis-by-protecting-the-integrity-of-the-epithelial-barrier
#3
Zhuan-Fen Cheng, Christine A Cartwright
Previously we generated mouse models of Rack1 deficiency to identify key functions for Rack1 in regulating growth of intestinal epithelia: suppressing crypt cell proliferation and regeneration, promoting differentiation and apoptosis, and repressing development of neoplasia. However, other than low body weight, we did not detect an overt phenotype in mice constitutively deleted of Rack1 in intestinal epithelia (vil-Cre:Rack1(fl/fl) mice), presumably because Rack1 was deleted in < 10% of the total surface area of the epithelia...
October 12, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28993264/sensory-mechanical-effects-of-a-dual-bronchodilator-and-its-anticholinergic-component-in-copd
#4
Denis E O'Donnell, Amany F Elbehairy, Azmy Faisal, J Alberto Neder, Katherine A Webb
This randomized, double-blind, crossover study examined the physiological rationale for using a dual long-acting bronchodilator (umeclidinium/vilanterol (UME/VIL)) versus its muscarinic-antagonist component (UME) as treatment for dyspnea and exercise intolerance in moderate COPD. After each 4-week treatment period, subjects performed pulmonary function and symptom-limited constant-work rate cycling tests with diaphragm electromyogram (EMGdi), esophageal (Pes), gastric (Pga) and transdiaphragmatic (Pdi) pressure measurements...
October 7, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28949982/visible-induced-luminescence-reveals-invisible-rays-shining-from-christ-in-the-early-christian-wall-painting-of-the-transfiguration-in-shivta
#5
Ravit Linn, Yotam Tepper, Guy Bar-Oz
The Transfiguration scene depicted in a Byzantine church at Shivta, Israel, is one of two figurative examples of the scene from the early Christian period. The use of Egyptian blue pigment in the wall painting was investigated with various analytical methods. Visible Induced Luminescence (VIL) imaging was used in-situ in order to map the distribution of the Egyptian blue pigment in the painting. The VIL imaging revealed surprising insights into the understanding of the iconography and the technology of this rare painting...
2017: PloS One
https://www.readbyqxmd.com/read/28912343/diversification-of-transcriptional-regulation-determines-subfunctionalization-of-paralogous-branched-chain-aminotransferases-in-the-yeast-saccharomyces-cerevisiae
#6
James González, Geovani López, Stefany Argueta, Ximena Escalera-Fanjul, Mohammed El Hafidi, Carlos Campero-Basaldua, Joseph Strauss, Lina Riego-Ruiz, Alicia González
Saccharomyces cerevisiae harbors BAT1 and BAT2 paralogous genes that encode branched chain aminotransferases and have opposed expression profiles and physiological roles . Accordingly, in primary nitrogen sources such as glutamine, BAT1 expression is induced, supporting Bat1-dependent valine-isoleucine-leucine (VIL) biosynthesis, while BAT2 expression is repressed. Conversely, in the presence of VIL as the sole nitrogen source, BAT1 expression is hindered while that of BAT2 is activated, resulting in Bat2-dependent VIL catabolism...
November 2017: Genetics
https://www.readbyqxmd.com/read/28903723/domains-associated-with-successful-quality-improvement-in-healthcare-a-nationwide-case-study
#7
Aleidis Skard Brandrud, Bjørnar Nyen, Per Hjortdahl, Leiv Sandvik, Gro Sævil Helljesen Haldorsen, Maria Bergli, Eugene C Nelson, Michael Bretthauer
BACKGROUND: There is a distinct difference between what we know and what we do in healthcare: a gap that is impairing the quality of the care and increasing the costs. Quality improvement efforts have been made worldwide by learning collaboratives, based on recognized continual improvement theory with limited scientific evidence. The present study of 132 quality improvement projects in Norway explores the conditions for improvement from the perspectives of the frontline healthcare professionals, and evaluates the effectiveness of the continual improvement method...
September 13, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28878084/human-herpesvirus-8-interleukin-6-interacts-with-calnexin-cycle-components-and-promotes-protein-folding
#8
Daming Chen, Qiwang Xiang, John Nicholas
Viral interleukin-6 (vIL-6) encoded by human herpesvirus 8 (HHV-8) is believed to contribute via mitogenic, survival, and angiogenic activities to HHV-8-associated Kaposi's sarcoma, primary effusion lymphoma (PEL), and multicentric Castleman's disease through autocrine or paracrine mechanisms during latency or productive replication. There is direct evidence that vIL-6 promotes latently infected PEL cell viability and proliferation and also viral productive replication in PEL and endothelial cells. These activities are mediated largely through endoplasmic reticulum (ER)-localized vIL-6, which can induce signal transduction via the gp130 signaling receptor, activating mitogen-activated protein kinase and signal transducer and activator of transcription signaling, and interactions of vIL-6 with the ER membrane protein vitamin K epoxide reductase complex subunit 1 variant 2 (VKORC1v2)...
November 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28865734/paneth-cell-defects-induce-microbiota-dysbiosis-in-mice-and-promote-visceral-hypersensitivity
#9
Ambre Riba, Maïwenn Olier, Sonia Lacroix-Lamandé, Corinne Lencina, Valérie Bacquié, Cherryl Harkat, Marion Gillet, Marine Baron, Caroline Sommer, Virginie Mallet, Christel Salvador-Cartier, Fabrice Laurent, Vassilia Théodorou, Sandrine Ménard
BACKGROUND & AIMS: Separation of newborn rats from their mothers induces visceral hypersensitivity and impaired epithelial secretory cell lineages when they are adults. Little is known about the mechanisms by which maternal separation causes visceral hypersensitivity or its relationship with defects in epithelial secretory cell lineages. METHODS: We performed studies with C3H/HeN mice separated from their mothers as newborns and mice genetically engineered (Sox9(flox/flox)-vil-cre on C57BL/6 background) to have deficiencies in Paneth cells...
August 30, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28770482/a-minimally-invasive-approach-for-inguinal-lymphadenectomy-in-melanoma-and-genitourinary-malignancy-long-term-outcomes-in-an-attempted-randomized-control-trial
#10
Lauren M Postlewait, Clara R Farley, Maggie L Diller, Benjamin Martin, M Hart Squires, Maria C Russell, Monica Rizzo, Kenneth Ogan, Viraj Master, Keith Delman
BACKGROUND: Open inguinal lymphadenectomy (OIL) has a high incidence of complications. The authors adapted and reported a minimally invasive technique [videoscopic inguinal lymphadenectomy (VIL)] for use with melanoma, subsequently pursuing a randomized, prospective trial comparing open and minimally invasive approaches in an attempt to confirm retrospective findings illustrating reduced complications with the minimally invasive approach. METHODS: A randomized, prospective trial (NCT01526486) was designed to compare outcomes for patients undergoing VIL versus OIL...
October 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28762757/molecular-characterization-and-phylogenetic-analysis-of-virulent-marek-s-disease-virus-field-strain-in-broiler-chickens-in-japan
#11
Hoda A Abd-Ellatieff, Abdelrahman A Abou Rawash, Hany F Ellakany, Wael M Goda, T Suzuki, Tokuma Yanai
Marek's disease (MD) is a lymphoproliferative disease causing a serious threat in poultry production. Field strains of Marek's disease virus (MDVs) are continuously re-emerging, causing great economical losses to the poultry industry worldwide in spite of the intensive vaccination and restrictive management policy used. Histopathological and molecular characterizations of MDVs are essential for monitoring the changes of viruses and evaluating the effectiveness of existing vaccines. During 2016, 190 visceral tumor tissues representing 30 vaccinated chicken flocks from Gifu prefecture, Japan were analyzed...
August 1, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28709448/no-added-diagnostic-value-of-non-phosphorylated-tau-fraction-p-taurel-in-csf-as-a-biomarker-for-differential-dementia-diagnosis
#12
Joery Goossens, Maria Bjerke, Hanne Struyfs, Ellis Niemantsverdriet, Charisse Somers, Tobi Van den Bossche, Sara Van Mossevelde, Bart De Vil, Anne Sieben, Jean-Jacques Martin, Patrick Cras, Johan Goeman, Peter Paul De Deyn, Christine Van Broeckhoven, Julie van der Zee, Sebastiaan Engelborghs
BACKGROUND: The Alzheimer's disease (AD) cerebrospinal fluid (CSF) biomarkers Aβ1-42, t-tau, and p-tau181 overlap with other diseases. New tau modifications or epitopes, such as the non-phosphorylated tau fraction (p-taurel), may improve differential dementia diagnosis. The goal of this study is to investigate if p-taurel can improve the diagnostic performance of the AD CSF biomarker panel for differential dementia diagnosis. METHODS: The study population consisted of 45 AD, 45 frontotemporal lobar degeneration (FTLD), 45 dementia with Lewy bodies (DLB), and 21 Creutzfeldt-Jakob disease (CJD) patients, and 20 cognitively healthy controls...
July 14, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28635675/co-infection-with-marek-s-disease-virus-and-reticuloendotheliosis-virus-increases-illness-severity-and-reduces-marek-s-disease-vaccine-efficacy
#13
Guo-Rong Sun, Yan-Ping Zhang, Lin-Yi Zhou, Hong-Chao Lv, Feng Zhang, Kai Li, Yu-Long Gao, Xiao-Le Qi, Hong-Yu Cui, Yong-Qiang Wang, Li Gao, Qing Pan, Xiao-Mei Wang, Chang-Jun Liu
Marek's disease virus (MDV) and reticuloendotheliosis virus (REV) cause Marek's disease (MD) and reticuloendotheliosis (RE), respectively. Co-infection with MDV and REV is common in chickens, causing serious losses to the poultry industry. However, experimental studies of such co-infection are lacking. In this study, Chinese field strains of MDV (ZW/15) and REV (JLR1501) were used as challenge viruses to evaluate the pathogenicity of co-infection and the influence of MD vaccination in chickens. Compared to the MDV-challenged group, the mortality and tumor rates increased significantly by 20...
June 21, 2017: Viruses
https://www.readbyqxmd.com/read/28630260/cholesterol-auxotrophy-and-intolerance-to-ezetimibe-in-mice-with-srebp-2-deficiency-in-the-intestine
#14
Shunxing Rong, Jeffrey G McDonald, Luke J Engelking
SREBP-2 activates transcription of all genes needed for cholesterol biosynthesis. To study SREBP-2 function in the intestine, we generated a mouse model (Vil-BP2(-/-) ) in which Cre recombinase ablates SREBP-2 in intestinal epithelia. Intestines of Vil-BP2(-/-) mice had reduced expression of genes required for sterol synthesis, in vivo sterol synthesis rates, and epithelial cholesterol contents. On a cholesterol-free diet, the mice displayed chronic enteropathy with histological abnormalities of both villi and crypts, growth restriction, and reduced survival that was prevented by supplementation of cholesterol in the diet...
October 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28591779/elucidating-the-biological-roles-of-insulin-and-its-receptor-in-murine-intestinal-growth-and-function
#15
Stina Rikke Jensen, Sarah E Wheeler, Henning Hvid, Jonas Ahnfelt-Rønne, Bo Falck Hansen, Erica Nishimura, Grith Skytte Olsen, Patricia L Brubaker
The role of the intestinal insulin receptor (IR) is not well understood. We therefore explored the effect of insulin (300 nmol/kg per day for 12 days) on the intestine in sex-matched C57Bl/6J mice. The intestinal and metabolic profiles were also characterized in male and female intestinal-epithelial IR knockout (IE-irKO) mice compared with all genetic controls on a chow diet or Western diet (WD) for 4 to 12 weeks. Insulin treatment did not affect intestinal size, intestinal resistance, or metabolic genes, but it reduced proximal-colon crypt depth and acutely increased colonic serine/threonine-specific protein kinase B (AKT) activation...
August 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28491268/umeclidinium-in-chronic-obstructive-pulmonary-disease-latest-evidence-and-place-in-therapy
#16
REVIEW
Kesavan Suresh Babu, Jaymin Bhagwanji Morjaria
Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity, mortality and health care expenditure throughout the world. COPD guidelines recommend the use of long-acting muscarinic antagonist (LAMA) either alone or in combination with a long-acting β2 agonist (LABA). For over 10 years, tiotropium was the only LAMA that was used in the management of COPD. Over the past few years, various new drugs have been identified that act on the muscarinic receptors and β2 receptors. Umeclidinium (Umec) is a new LAMA currently approved for use in patients with COPD either as monotherapy or in combination with vilanterol (Vil)...
April 2017: Therapeutic Advances in Chronic Disease
https://www.readbyqxmd.com/read/28453840/modulation-of-the-host-environment-by-human-cytomegalovirus-with-viral-interleukin-10-in-peripheral-blood
#17
Vivian P Young, Margarette C Mariano, Carolyn C Tu, Kathryn M Allaire, Selmir Avdic, Barry Slobedman, Juliet V Spencer
Background: Human cytomegalovirus (HCMV) is a herpesvirus with both lytic and latent life cycles. Human cytomegalovirus encodes 2 viral cytokines that are orthologs of human cellular interleukin 10 (cIL-10). Both cytomegalovirus interleukin 10 (cmvIL-10) and Latency-associated cytomegalovirus interleukin 10 (LAcmvIL-10) (collectively vIL-10) are expressed during lytic infection and cause immunosuppressive effects that impede virus clearance. LAcmvIL-10 is also expressed during latent infection of myeloid progenitor cells and monocytes and facilitates persistence...
March 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28451945/herpesviral-capture-of-immunomodulatory-host-genes
#18
REVIEW
Günther Schönrich, Mohammed O Abdelaziz, Martin J Raftery
Herpesviruses have acquired numerous genes from their hosts. Although these homologs are not essential for viral replication, they often have important immunomodulatory functions that ensure viral persistence in the host. Some of these viral molecules are called virokines as they mimic cellular cytokines of their host such as interleukin-10 (cIL-10). In recent years, many viral homologs of IL-10 (vIL-10s) have been discovered in the genome of members of the order Herpesvirales. For some, gene and protein structure as well as biological activity and potential use in the clinical context have been explored...
April 27, 2017: Virus Genes
https://www.readbyqxmd.com/read/28409356/flair-to-visualize-veins-in-white-matter-lesions-a-new-tool-for-the-diagnosis-of-multiple-sclerosis
#19
T Campion, R J P Smith, D R Altmann, G C Brito, B P Turner, J Evanson, I C George, P Sati, D S Reich, M E Miquel, K Schmierer
OBJECTIVE: To explore the potential of a post-processing technique combining FLAIR and T2* (FLAIR*) to distinguish between lesions caused by multiple sclerosis (MS) from cerebral small vessel disease (SVD) in a clinical setting. METHODS: FLAIR and T2* head datasets acquired at 3T of 25 people with relapsing MS (pwRMS) and ten with pwSVD were used. After post-processing, FLAIR* maps were used to determine the proportion of white matter lesions (WML) showing the 'vein in lesion' sign (VIL), a characteristic histopathological feature of MS plaques...
April 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28400195/egfr-in-tumor-associated-myeloid-cells-promotes-development-of-colorectal-cancer-in-mice-and-associates-with-outcomes-of%C3%A2-patients
#20
Sriram Srivatsa, Mariel C Paul, Claudia Cardone, Martin Holcmann, Nicole Amberg, Paulina Pathria, Michaela A Diamanti, Markus Linder, Gerald Timelthaler, Hans P Dienes, Lukas Kenner, Fritz Wrba, Gerald W Prager, Stefan Rose-John, Robert Eferl, Giuseppina Liguori, Gerardo Botti, Erika Martinelli, Florian R Greten, Fortunato Ciardiello, Maria Sibilia
BACKGROUND & AIMS: Inhibitors of the epidermal growth factor receptor (EGFR) are the first-line therapy for patients with metastatic colorectal tumors without RAS mutations. However, EGFR inhibitors are ineffective in these patients, and tumor level of EGFR does not associate with response to therapy. We screened human colorectal tumors for EGFR-positive myeloid cells and investigated their association with patient outcome. We also performed studies in mice to evaluate how EGFR expression in tumor cells and myeloid cells contributes to development of colitis-associated cancer and Apc(Min)-dependent intestinal tumorigenesis...
July 2017: Gastroenterology
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