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https://www.readbyqxmd.com/read/29166547/chemical-metabolome-assay-by-high-resolution-orbitrap-mass-spectrometry-and-assessment-of-associated-antitumoral-activity-of-actinocephalus-divaricatus
#1
Ana C Zanatta, Angela Mari, Milena Masullo, Iracilda Zeppone Carlos, Wagner Vilegas, Sonia Piacente, Lourdes Campaner Dos Santos
RATIONALE: Actinocephalus divaricatus (Eriocaulaceae) is an important source of income for the rural communities as it is sold as an ornamental plant. To date, no investigation has been conducted concerning the chemical composition and biological studies of the aerial parts of A. divaricatus. METHODS: The methanolic extract of the aerial parts of this species was chemically characterized. We applied an analytical dereplication approach based on Liquid Chromatography coupled to High Resolution Orbitrap Mass Spectrometry in order to develop, identify and define rapidly the metabolite fingerprint of the aerial parts of A...
November 22, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29166365/cdc-grand-rounds-improving-the-lives-of-persons-with-sickle-cell-disease
#2
Mary Hulihan, Kathryn L Hassell, Jean L Raphael, Kim Smith-Whitley, Phoebe Thorpe
Approximately 100,000 Americans have sickle cell disease (SCD), a group of recessively inherited red blood cell disorders characterized by abnormal hemoglobin, called hemoglobin S or sickle hemoglobin, in the red blood cells. Persons with hemoglobin SS or hemoglobin Sß(0) thalassemia, also known as sickle cell anemia (SCA), have the most severe form of SCD. Hemoglobin SC disease and hemoglobin Sß(+) thalassemia are other common forms of SCD. Red blood cells that contain sickle hemoglobin are inflexible and can stick to vessel walls, causing a blockage that slows or stops blood flow...
November 24, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29165103/occupation-exposed-to-road-traffic-emissions-and-respiratory-health-among-congolese-transit-workers-particularly-bus-conductors-in-kinshasa-a-cross-sectional-study
#3
Etongola Papy Mbelambela, Ryoji Hirota, Masamitsu Eitoku, Sifa Marie Joelle Muchanga, Hidenori Kiyosawa, Kahoko Yasumitsu-Lovell, Ontshick Leader Lawanga, Narufumi Suganuma
OBJECTIVES: Road-traffic emissions (RTE) induce adverse health effects, notably respiratory symptoms and respiratory diseases, as a result of pollutants deposited into the respiratory tract. The aim of this study was to evaluate the association between occupation groups of Congolese transit workers exposed to RTE, particularly bus conductors and respiratory health, in Kinshasa. METHODS: A cross-sectional study was conducted from 2015 April 20(th) to May 14(th), whose participants were bus conductors (n = 110), bus drivers (n = 107), taxi-motorcyclists (n = 102) and high school teachers (control group; n = 106)...
March 20, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29164842/tumor-suppressor-role-of-mir-503
#4
Gaurav Gupta, Dinesh K Chellappan, Terezinha de Jesus Andreoli Pinto, Philip M Hansbro, Mary Bebawy, Kamal Dua
MicroRNAs (miRNAs) are noncoding RNAs of around 20-25 nucleotides in length with highly conserved characteristics. They moderate posttranscriptional silencing by precisely combining with 3' untranslated regions (UTRs) of target mRNAs at a complementary site. miR503, an associate of the "canonical" miRNA16 family, is expressed in numerous types of tumors such as breast cancer, prostate cancer, lung cancer, colorectal cancer, hepatocellular carcinoma, glioblastoma and several others. There is convincing evidence to show that miR503 functions as a tumor suppressor gene through its effects on target genes that regulate cell proliferation, migration, and invasion in tumor cells...
November 22, 2017: Panminerva Medica
https://www.readbyqxmd.com/read/29157144/personal-exposure-of-dairy-workers-to-dust-endotoxin-muramic-acid-ergosterol-and-ammonia-on-large-scale-dairies-in-the-high-plains-western-united-states
#5
Margaret E Davidson, Joshua Schaeffer, Maggie L Clark, Sheryl Magzamen, Elizabeth J Brooks, Thomas J Keefe, Mary Bradford, Noa Roman-Muniz, John Mehaffy, Gregory Dooley, Jill A Poole, Frank M Mitloehner, Sue Reed, Marc B Schenker, Stephen J Reynolds
Dairy workers experience a high degree of bioaerosol exposure, composed of an array of biological and chemical constituents, which have been tied to adverse health effects. A better understanding of the variation in the magnitude and composition of exposures by task is needed to inform worker protection strategies. To characterize the levels and types of exposures, 115 dairy workers grouped into three task categories on nine farms in the high plains western United States underwent personal monitoring for inhalable dust, endotoxin, 3-hydroxy fatty acids (3-OHFA), muramic acid, ergosterol, and ammonia over one work shift...
November 20, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/29156712/radiolabelled-polymeric-iga-from-biodistribution-to-a-new-molecular-imaging-tool-in-colorectal-cancer-lung-metastases
#6
Helene Carpenet, Armelle Cuvillier, Aurélie Perraud, Ophélie Martin, Gaël Champier, Marie-Odile Jauberteau, Jacques Monteil, Isabelle Quelven
By radiolabelling monomeric (m) and polymeric (p) IgA with technetium 99m ((99m)Tc), this study assessed IgA biodistribution and tumour-targeting potency. IgA directed against carcinoembryonic antigen (CEA), a colorectal cancer marker, was selected to involve IgA mucosal tropism. Ig was radiolabelled with (99m)Tc-tricarbonyl after derivatisation by 2-iminothiolane. (99m)Tc-IgA was evaluated by in vitro analysis. The biodistributions of radiolabelled anti-CEA mIgA, pIgA and IgG were compared in normal mice. Anti-CEA pIgA tumour uptake was studied in mice bearing the WiDr caecal orthotopic graft...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156270/exceedance-of-environmental-exposure-limits-to-crystalline-silica-in-communities-surrounding-gold-mine-tailings-storage-facilities-in-south-africa
#7
Charlene Andraos, Wells Utembe, Mary Gulumian
BACKGROUND: Unlike occupational silica exposures, the association between non-occupational silica exposures and adverse health effects is not well researched, despite its occurrence in communities close to dust-generating sources such as tailings storage facilities (TSFs). Recent studies have shown that communities surrounding TSFs in South Africa often complain about the onset of dust-related health effects. Even though international interim non-occupational crystalline silica limits have been established, South Africa is yet to enforce its own limits for residential areas close to TSF sites...
November 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29155424/immune-checkpoint-inhibitors-in-sarcomas-in-quest-of-predictive-biomarkers
#8
Robin Veenstra, Marie Kostine, Anne-Marie Cleton-Jansen, Noel Fcc de Miranda, Judith Vmg Bovée
Sarcomas are a rare group of tumors of mesenchymal origin. Metastatic sarcomas are often difficult to treat and unresponsive to standard radio- and chemotherapy, resulting in a poor survival rate for patients. Novel treatments with immune checkpoint inhibitors have been proven to prolong survival of patients with a variety of cancers, including metastatic melanoma, lung, and renal cell carcinoma. Since immune checkpoint inhibitors could provide a novel treatment option for patients with sarcomas, clinical trials investigating their efficacy in these group of tumors are ongoing...
November 20, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29152135/evaluation-of-pre-analytical-conditions-and-comparison-of-the-performance-of-several-digital-pcr-assays-for-the-detection-of-major-egfr-mutations-in-circulating-dna-from-non-small-cell-lung-cancers-the-circan_0-study
#9
Jessica Garcia, Eric Dusserre, Valérie Cheynet, Pierre Paul Bringuier, Karen Brengle-Pesce, Anne-Sophie Wozny, Claire Rodriguez-Lafrasse, Gilles Freyer, Marie Brevet, Léa Payen, Sébastien Couraud
Non invasive somatic detection assays are suitable for repetitive tumor characterization or for detecting the appearance of somatic resistance during lung cancer. Molecular diagnosis based on circulating free DNA (cfDNA) offers the opportunity to track the genomic evolution of the tumor, and was chosen to assess the molecular profile of several EGFR alterations, including deletions in exon 19 (delEX19), the L858R substitution on exon 21 and the EGFR resistance mutation T790M on exon 20. Our study aimed at determining optimal pre-analytical conditions and EGFR mutation detection assays for analyzing cfDNA using the picoliter-droplet digital polymerase chain reaction (ddPCR) assay...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151441/patients-initial-steps-to-cancer-diagnosis-in-denmark-england-and-sweden-what-can-a-qualitative-cross-country-comparison-of-narrative-interviews-tell-us-about-potentially-modifiable-factors
#10
John MacArtney, Marlene Malmström, Trine Overgaard Nielsen, Julie Evans, Britt-Marie Bernhardson, Senada Hajdarevic, Alison Chapple, Lars E Eriksson, Louise Locock, Birgit Rasmussen, Peter Vedsted, Carol Tishelman, Rikke Sand Andersen, Sue Ziebland
OBJECTIVES: To illuminate patterns observed in International Cancer Benchmarking Programme studies by extending understanding of the various influences on presentation and referral with cancer symptoms. DESIGN: Cross-country comparison of Denmark, England and Sweden with qualitative analysis of in-depth interview accounts of the prediagnostic process in lung or bowel cancer. PARTICIPANTS: 155 women and men, aged between 35 and 86 years old, diagnosed with lung or bowel cancer in 6 months before interview...
November 19, 2017: BMJ Open
https://www.readbyqxmd.com/read/29150411/an-epithelial-biomarker-signature-for-idiopathic-pulmonary-fibrosis-an-analysis-from-the-multicentre-profile-cohort-study
#11
Toby M Maher, Eunice Oballa, Juliet K Simpson, Joanne Porte, Anthony Habgood, William A Fahy, Aiden Flynn, Philip L Molyneaux, Rebecca Braybrooke, Hrushikesh Divyateja, Helen Parfrey, Doris Rassl, Anne-Marie Russell, Gauri Saini, Elisabetta A Renzoni, Anne-Marie Duggan, Richard Hubbard, Athol U Wells, Pauline T Lukey, Richard P Marshall, R Gisli Jenkins
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a progressive, fatal disorder with a variable disease trajectory. The aim of this study was to assess potential biomarkers to predict outcomes for people with IPF. METHOD: PROFILE is a large prospective longitudinal cohort of treatment-naive patients with IPF. We adopted a two-stage discovery and validation design using patients from the PROFILE cohort. For the discovery analysis, we examined 106 patients and 50 age and sex matched healthy controls from Nottingham University Hospitals NHS Trust and the Royal Brompton Hospital...
November 14, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29150078/bimodal-fluorescence-129-xe-nmr-probe-for-molecular-imaging-and-biological-inhibition-of-egfr-in-non-small-cell-lung-cancer
#12
Gaëlle Milanole, Bo Gao, Audrey Paoletti, Grégory Pieters, Christophe Dugave, Eric Deutsch, Sofia Rivera, Frédéric Law, Jean-Luc Perfettini, Emilie Mari, Estelle Léonce, Céline Boutin, Patrick Berthault, Hervé Volland, François Fenaille, Thierry Brotin, Bernard Rousseau
Although Non-Small Cell Lung Cancer (NSCLC) is one of the main causes of cancer death, very little improvement has been made in the last decades regarding diagnosis and outcomes. In this study, a bimodal fluorescence/(129)Xe NMR probe containing a xenon host, a fluorescent moiety and a therapeutic antibody has been designed to target the Epidermal Growth Factor Receptors (EGFR) overexpressed in cancer cells. This biosensor shows high selectivity for the EGFR, and a biological activity similar to that of the antibody...
November 6, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29149222/personalized-medicine-and-hispanic-health-improving-health-outcomes-and-reducing-health-disparities-a-national-heart-lung-and-blood-institute-workshop-report
#13
M Larissa Avilés-Santa, John Heintzman, Nangel M Lindberg, Rafael Guerrero-Preston, Kenneth Ramos, Ana L Abraído-Lanza, Jonca Bull, Adolph Falcón, Mary Ann McBurnie, Ernest Moy, George Papanicolaou, Ileana L Piña, Jennifer Popovic, Shakira F Suglia, Miguel A Vázquez
Persons of Hispanic/Latino descent may represent different ancestries, ethnic and cultural groups and countries of birth. In the U.S., the Hispanic/Latino population is projected to constitute 29% of the population by 2060. A personalized approach focusing on individual variability in genetics, environment, lifestyle and socioeconomic determinants of health may advance the understanding of some of the major factors contributing to the health disparities experienced by Hispanics/Latinos and other groups in the U...
2017: BMC Proceedings
https://www.readbyqxmd.com/read/29149104/cumulative-incidence-rates-for-cns-and-non-cns-progression-in-two-phase-ii-studies-of-alectinib-in-alk-positive-nsclc
#14
Shirish Gadgeel, Alice T Shaw, Fabrice Barlesi, Lucio Crinò, James Chih-Hsin Yang, Anne-Marie C Dingemans, Dong-Wan Kim, Filippo de Marinis, Mathias Schulz, Shiyao Liu, Ravindra Gupta, Ahmed Kotb, Sai-Hong Ignatius Ou
BACKGROUND: We evaluated the cumulative incidence rate (CIR) of central nervous system (CNS) and non-CNS progression in alectinib-treated patients with anaplastic lymphoma kinase (ALK)-positive non-small-cell lung cancer (NSCLC) to determine the extent to which alectinib may treat or control CNS disease. METHODS: Patients with crizotinib-pretreated locally advanced or metastatic disease received alectinib 600 mg orally twice daily in two phase II trials. All patients underwent baseline imaging and regular centrally reviewed scans...
November 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29147013/integrin-alpha-11-in-the-regulation-of-the-myofibroblast-phenotype-implications-for-fibrotic-diseases
#15
Ruchi Bansal, Shigeki Nakagawa, Saleh Yazdani, Joop van Baarlen, Anu Venkatesh, Anna P Koh, Won-Min Song, Nicolas Goossens, Hideo Watanabe, Mary B Beasley, Charles A Powell, Gert Storm, Naftali Kaminski, Harry van Goor, Scott L Friedman, Yujin Hoshida, Jai Prakash
Tissue fibrosis, characterized by excessive accumulation of aberrant extracellular matrix (ECM) produced by myofibroblasts, is a growing cause of mortality worldwide. Understanding the factors that induce myofibroblastic differentiation is paramount to prevent or reverse the fibrogenic process. Integrin-mediated interaction between the ECM and cytoskeleton promotes myofibroblast differentiation. In the present study, we explored the significance of integrin alpha 11 (ITGA11), the integrin alpha subunit that selectively binds to type I collagen during tissue fibrosis in the liver, lungs and kidneys...
November 17, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29146602/donor-specific-and-nonspecific-hla-antibodies-and-outcome-post-lung-transplantation
#16
Stijn E Verleden, Bart M Vanaudenaerde, Marie-Paul Emonds, Dirk E Van Raemdonck, Arne P Neyrinck, Geert M Verleden, Robin Vos
Donor-specific antibodies (DSAs) against human leukocyte antigen (HLA) are associated with chronic lung allograft dysfunction (CLAD) and mortality post lung transplantation, but data concerning prevalence, time of onset, persistence and effects on long-term outcome remain scarce.We assessed the association between HLA antibodies and CLAD-free and graft survival in a cohort of 362 patients. We stratified our analysis according to DSA status, persistence of antibodies and timing of antibodies (pre-transplant, early or late post-transplant)...
November 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29146145/adars-and-editing-the-role-of-a-to-i-rna-modification-in-cancer-progression
#17
REVIEW
Kajsa Fritzell, Li-Di Xu, Jens Lagergren, Marie Öhman
Cancer arises when pathways that control cell functions such as proliferation and migration are dysregulated to such an extent that cells start to divide uncontrollably and eventually spread throughout the body, ultimately endangering the survival of an affected individual. It is well established that somatic mutations are important in cancer initiation and progression as well as in creation of tumor diversity. Now also modifications of the transcriptome are emerging as a significant force during the transition from normal cell to malignant tumor...
November 16, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29144756/controlling-graphene-bio-interface-dispersions-in-animal-sera-for-enhanced-stability-and-reduced-toxicity
#18
Ajith Pattammattel, Paritosh Pande, Deepa Kuttappan, Megan Puglia, Ashis K Basu, Mary Amalaradjou, Challa V Kumar
Controlling the graphene-bio interface is important for biological applications of graphene, which is touted as the wonder material of the new century. Graphene samples made in animal sera indicated low toxicity to cells and nematodes, due to the adsorption of the serum proteins on the nascent graphene sheets. The graphite samples were exfoliated in 6 different animal sera, using three different methods, shear reactor, the kitchen blender and by ultrasonication, and maximum efficiency was noted with the kitchen blender...
November 16, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29140119/ct-features-of-the-usual-interstitial-pneumonia-pattern-differentiating-connective-tissue-disease-associated-interstitial-lung-disease-from-idiopathic-pulmonary-fibrosis
#19
Jonathan H Chung, Christian W Cox, Steven M Montner, Ayodeji Adegunsoye, Justin M Oldham, Aliya N Husain, Rekha Vij, Imre Noth, David A Lynch, Mary E Strek
OBJECTIVE: A substantial proportion of cases of usual interstitial pneumonia (UIP) are due to connective tissue disease (CTD)-associated interstitial lung disease (ILD). The purpose of this study was to determine whether specific CT findings can help differentiate a UIP pattern of CTD-ILD from a UIP pattern of idiopathic pulmonary fibrosis (IPF) and whether these signs are associated with survival. MATERIALS AND METHODS: Adults visiting an ILD clinic from 2006 to 2015 enrolled in a research registry with a multidisciplinary diagnosis of CTD-ILD or IPF and a UIP pattern at high-resolution CT were included in the study...
November 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29138549/inflammation-and-chronic-colonization-of-haemophilus-influenzae-in-sputum-in-copd-patients-related-to-the-degree-of-emphysema-and-bronchiectasis-in-high-resolution-computed-tomography
#20
Ellen Tufvesson, Hanna Markstad, Gracijela Bozovic, Marie Ekberg, Leif Bjermer
The presence of bacteria in the lower airways in COPD results in inflammation, further airway structural damage, and might lead to repeated exacerbations. We have previously shown that chronic colonization of Haemophilus influenzae during stable disease is related to increased inflammation, and we now aimed to relate previous findings of bacterial colonization and inflammation to the degree of radiological findings of bronchiectasis and emphysema. Thirty-nine patients with COPD were included in their stable state, and a high-resolution computed tomography of the lung was performed...
2017: International Journal of Chronic Obstructive Pulmonary Disease
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