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https://www.readbyqxmd.com/read/28534416/comparison-of-statistical-methods-for-detection-of-serum-lipid-biomarkers-for-mesothelioma-and-asbestos-exposure
#1
Rengyi Xu, Clementina Mesaros, Liwei Weng, Nathaniel W Snyder, Anil Vachani, Ian A Blair, Wei-Ting Hwang
AIM: We compared three statistical methods in selecting a panel of serum lipid biomarkers for mesothelioma and asbestos exposure. MATERIALS & METHODS: Serum samples from mesothelioma, asbestos-exposed subjects and controls (40 per group) were analyzed. Three variable selection methods were considered: top-ranked predictors from univariate model, stepwise and least absolute shrinkage and selection operator. Crossed-validated area under the receiver operating characteristic curve was used to compare the prediction performance...
May 23, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28531132/effects-of-%C3%AE-carotene-and-its-cleavage-products-in-primary-pneumocyte-type-ii-cells
#2
Cornelia Haider, Franziska Ferk, Ekramije Bojaxhi, Giuseppe Martano, Hanno Stutz, Nikolaus Bresgen, Siegfried Knasmüller, Avdulla Alija, Peter M Eckl
β-Carotene has been shown to increase the risk of developing lung cancer in smokers and asbestos workers in two large scale trails, the Beta-Carotene and Retinol Efficacy Trial (CARET) and the Alpha-Tocopherol Beta-carotene Cancer Prevention Trial (ATBC). Based on this observation, it was proposed that genotoxic oxidative breakdown products may cause this effect. In support of this assumption, increased levels of sister chromatid exchanges, micronuclei, and chromosomal aberrations were found in primary hepatocyte cultures treated with a mixture of cleavage products (CPs) and the major product apo-8'carotenal...
May 21, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28527639/epidemiology-of-mesothelioma-of-the-pericardium-and-tunica-vaginalis-testis
#3
REVIEW
Gabor Mezei, Ellen T Chang, Fionna S Mowat, Suresh H Moolgavkar
PURPOSE: Malignant mesothelioma most commonly arises in the pleura and peritoneum but also occurs rarely at other anatomical sites with mesothelial tissue, namely, the pericardium and tunica vaginalis testis (TVT). This review provides a better understanding of the epidemiology of mesothelioma of these extrapleural sites. METHODS: We conducted a systematic review of the epidemiologic and clinical literature on pericardial mesothelioma and mesothelioma of the TVT...
April 14, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/28523158/pleural-and-peritoneal-mesotheliomas-in-the-friuli-venezia-giulia-register-data-analysis-from-1995-to-2015-in-northeastern-italy
#4
Flavia D'Agostin, Paola De Michieli, Carolin Chermaz, Corrado Negro
BACKGROUND: The Friuli Venezia Giulia Mesothelioma Register contains a case-list of 1,109 mesotheliomas (1,034 pleural, 75 peritoneal) during 1995-2015. Exposure data are available for almost all cases. The aim was to assess mesothelioma incidence in the Region, an area with several shipyards, and to investigate determinants of mesothelioma latency among occupational cases. METHODS: Incidence rates were calculated. Univariate and multivariate analyses were performed to estimate latency time by anatomical site, gender, diagnostic period and industry sector...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28513319/effect-of-surface-functionalizations-of-multi-walled-carbon-nanotubes-on-neoplastic-transformation-potential-in-primary-human-lung-epithelial-cells
#5
Todd A Stueckle, Donna C Davidson, Ray Derk, Peng Wang, Sherri Friend, Diane Schwegler-Berry, Peng Zheng, Nianqiang Wu, Vince Castranova, Yon Rojanasakul, Liying Wang
Functionalized multi-walled carbon nanotube (fMWCNT) development has intensified to improve their surface activity for numerous applications, and potentially reduce toxic effects. Although MWCNT exposures are associated with lung tumorigenesis in vivo, adverse responses associated with exposure to different fMWCNTs in human lung epithelium are presently unknown. This study hypothesized that different plasma coating functional groups determine MWCNT neoplastic transformation potential. Using our established model, human primary small airway epithelial cells (pSAECs) were continuously exposed for 8 and 12 weeks at 0...
May 17, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28509933/combined-use-of-afm-and-soft-x-ray-microscopy-to-reveal-fibres-internalization-in-mesothelial-cells
#6
Alessandra Gianoncelli, George Kourousias, Francesca Cammisuli, Damiano Cassese, Clara Rizzardi, Oriano Radillo, Marco Lazzarino, Lorella Pascolo
Nanotoxicology and nanomedicine investigations often require the probing of nano-objects such as fibres and particles in biological samples and cells, whilst internalization and intracellular destiny are the main issues for in vitro cellular studies. Various high resolution microscopy techniques are well suited for providing this highly sought-after information. However, sample preparation, nanomaterial composition and sectioning challenges make it often difficult to establish whether the fibres or particles have been internalized or they are simply overlaying or underlying the biological matter...
May 16, 2017: Analyst
https://www.readbyqxmd.com/read/28506586/corrigendum-to-airborne-asbestos-exposures-associated-with-gasket-and-packing-replacement-a-simulation-study-of-flange-and-valve-repair-work-and-an-assessment-of-exposure-variables-regul-toxicol-pharmacol-71-1-2014-35-51
#7
Amy K Madl, Kathryn D Devlin, Angela L Perez, Dana M Hollins, Dallas M Cowan, Paul K Scott, Katherine White, Thales J Cheng, John L Henshaw
No abstract text is available yet for this article.
May 12, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28505004/a-subset-of-malignant-mesotheliomas-in-young-adults-are-associated-with-recurrent-ewsr1-fus-atf1-fusions
#8
Patrice Desmeules, Philippe Joubert, Lei Zhang, Hikmat A Al-Ahmadie, Christopher D Fletcher, Efsevia Vakiani, Deborah F Delair, Natasha Rekhtman, Marc Ladanyi, William D Travis, Cristina R Antonescu
Malignant mesothelioma (MM) is a rare, aggressive tumor often associated with asbestos exposure and characterized by complex genetic abnormalities, including deletions of chromosome 22. A gene fusion involving EWSR1 and YY1 gene on 14q32 has been reported in 2 patients over the age of 60 with peritoneal MM. However, the incidence of EWSR1 rearrangements in MM and the spectrum of its fusion partners remain unknown. We recently encountered 2 MM cases with EWSR1-ATF1 fusions and sought to investigate the prevalence and clinicopathologic features associated with this abnormality...
May 12, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28504300/effect-of-protection-against-hot-climate-on-growth-performance-physiological-response-and-endocrine-profile-of-growing-lambs-under-semi-arid-tropical-environment
#9
Kalyan De, Davendra Kumar, Anoop Kumar Singh, Kamal Kumar, Artabandhu Sahoo, Syed Mohammed Khursheed Naqvi
In the hot semi-arid tropical region, extreme summer is a major constraint in sheep production. The growth performance of growing lambs is impaired during the summer. Therefore, the present study was conducted to assess the effect of protection against hot climate on growth performance, physiological response, and endocrine profile of growing lambs under semi-arid tropical environment. All the data in the experiment were presented as mean ± SE. Thirty Malpura lambs with the age of 122.7 ± 6.05 days and body weight of 19...
May 13, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28501798/dose-time-response-association-between-occupational-asbestos-exposure-and-pleural-mesothelioma
#10
Aude Lacourt, Emilie Lévêque, Elie Guichard, Anabelle Gilg Soit Ilg, Marie-Pierre Sylvestre, Karen Leffondré
OBJECTIVES: Early occupational exposure to asbestos has been shown to be associated with an increased risk of pleural mesothelioma (PM), which suggests that the timing of exposure might play a role in the dose-response relationship. However, none studies has evaluated the relative impact of increasing the annual intensity of occupational exposure to asbestos at each time of the whole exposure history. Yet such evaluation would allow the comparison of the risks of PM associated with different longitudinal profiles of occupational exposure to asbestos...
May 13, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28500034/primary-pericardial-mesothelioma-and-asbestos-exposure-a-rare-fatal-disease
#11
Diana Maria Monteiro Freitas, Raquel L Ramos, Luísa Serpa Pinto, Rosa Ribeiro
No abstract text is available yet for this article.
May 12, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28498408/induction-of-il-17-production-from-human-peripheral-blood-cd4-cells-by-asbestos-exposure
#12
Megumi Maeda, Ying Chen, Suni Lee, Naoko Kumagai-Takei, Kei Yoshitome, Hidenori Matsuzaki, Shoko Yamamoto, Tamayo Hatayama, Miho Ikeda, Yasumitsu Nishimura, Takemi Otsuki
We have previously reported that chronic, recurrent and low-dose exposure to asbestos fibers causes a reduction in antitumor immunity. Investigation of natural killer (NK) cells using an in vitro cell line model and comprising in vitro activation using freshly isolated NK cells co-cultured with chrysotile fibers, as well as NK cells derived from asbestos-exposed patients with pleural plaque (PP) or malignant mesothelioma (MM), revealed decreased expression of NK cell activating receptors such as NKG2D, 2B4 and NKp46...
May 9, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28491491/tuberculous-pleural-effusion-occurring-concurrently-with-asbestos-related-pleural-disease
#13
Massa Zantah, Debapriya Datta
An eighty-four-year-old man presented with progressive exertional dyspnea, productive cough and weight loss for two months. His physical exam was notable for diminished breath sounds at the right base, with dullness to percussion. Chest-x-ray showed moderate right-sided pleural effusion and bilateral calcified pleural plaques as well as diaphragmatic plaques consistent with asbestos-related pleural disease (ARPD). Pleural fluid was exudative with predominantly mononuclear cells, negative acid fast bacilli stain, negative cultures, and negative cytology for malignant cells...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28489801/a-care-compliant-case-report-lung-transplantation-for-a-chinese-young-man-with-idiopathic-pleuroparenchymal-fibroelastosis
#14
Hui Huang, Ruie Feng, Shan Li, Bo Wu, Kai Xu, Zuojun Xu, Jingyu Chen
RATIONAL: Pleuroparenchymal fibroelastosis (PPFE) is a rare interstitial lung disease that is characterized radiologically by apical pleural thickening and histologically by elastic fibrosis of the visceral pleura. Although PPFE cases have been reported occasionally since this disease was initially described, most such cases have involved secondary PPFE. Idiopathic PPFE (iPPFE) cases have been less thoroughly studied. There are no effective medications for patients with iPPFE. PATIENT CONCERNS: A 34-year-old man with no asbestos or cigarette exposure was admitted to our ward due to worsening cough and exertional dyspnea for 10 years...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28481375/pleural-mesothelioma-in-household-members-of-asbestos-exposed-workers-in-friuli-venezia-giulia-italy
#15
Flavia D' Agostin, Paola de Michieli, Corrado Negro
OBJECTIVES: Malignant mesothelioma is closely associated to asbestos exposure. One such exposure may occur through contact with occupationally exposed household members and their belongings. This study examines the features of pleural mesothelioma attributable only to asbestos brought home by another family member. MATERIAL AND METHODS: The data sources were 1063 mesothelioma cases diagnosed between 1995 and 2014, from the Friuli Venezia Giulia Mesothelioma Register...
May 8, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28479076/persistent-benign-pleural-effusion
#16
J M Porcel
In this narrative review we describe the main aetiologies, clinical characteristics and treatment for patients with benign pleural effusion that characteristically persists over time: chylothorax and cholesterol effusions, nonexpansible lung, rheumatoid pleural effusion, tuberculous empyema, benign asbestos pleural effusion and yellow nail syndrome.
May 4, 2017: Revista Clínica Española
https://www.readbyqxmd.com/read/28478929/low-voltage-chest-ct-another-way-to-reduce-the-radiation-dose-in-asbestos-exposed-patients
#17
D Macía-Suárez, E Sánchez-Rodríguez, B Lopez-Calviño, C Diego, M Pombar
AIM: To assess whether low voltage chest computed tomography (CT) can be used to successfully diagnose disease in patients with asbestos exposure. MATERIALS AND METHODS: Fifty-six former employees of the shipbuilding industry, who were candidates to receive a standard-dose chest CT due to their occupational exposure to asbestos, underwent a routine CT. Immediately after this initial CT, they underwent a second acquisition using low-dose chest CT parameters, based on a low potential (80 kV) and limited tube current...
May 4, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28472171/plasmatic-extracellular-vesicle-micrornas-in-malignant-pleural-mesothelioma-and-asbestos-exposed-subjects-suggest-a-2-mirna-signature-as-potential-biomarker-of-disease
#18
Tommaso Cavalleri, Laura Angelici, Chiara Favero, Laura Dioni, Carolina Mensi, Claudia Bareggi, Alessandro Palleschi, Arianna Rimessi, Dario Consonni, Lorenzo Bordini, Aldo Todaro, Valentina Bollati, Angela Cecilia Pesatori
BACKGROUND: Malignant Pleural Mesothelioma (MPM) is an aggressive cancer mainly caused by asbestos exposure and refractory to current therapies. Specific diagnostic markers for early MPM diagnosis are needed. Changes in miRNA expression have been implicated in several diseases and cancers, including MPM. We examined if a specific miRNA signature in plasmatic extracellular vesicles (EV) may help to discriminate between malignant pleural mesothelioma patients (MPM) and subjects with Past Asbestos Exposure (PAE)...
2017: PloS One
https://www.readbyqxmd.com/read/28468931/pleural-abnormalities-in-the-framingham-heart-study-prevalence-and-ct-image-features
#19
Tetsuro Araki, Masahiro Yanagawa, Fangui Jenny Sun, Josée Dupuis, Mizuki Nishino, Yoshitake Yamada, George R Washko, David C Christiani, Noriyuki Tomiyama, George T O'Connor, Gary M Hunninghake, Hiroto Hatabu
BACKGROUND: The prevalence of pleural abnormalities in the general population is an epidemiologically important index of asbestos exposure, which has not been investigated since a radiography-based study in 1980. METHODS: We examined 2633 chest CT scans (mean 59.2 years, 50% female) from the Framingham Heart Study (FHS) for the presence and image characteristics of pleural plaques and diffuse pleural thickening. Demographics and pulmonary function were stratified by the presence of pleural abnormalities in association with interstitial lung abnormalities...
May 3, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28457891/a-comparison-of-parallel-dust-and-fibre-measurements-of-airborne-chrysotile-asbestos-in-a-large-mine-and-processing-factories-in-the-russian-federation
#20
Eleonora Feletto, Sara J Schonfeld, Evgeny V Kovalevskiy, Igor V Bukhtiyarov, Sergey V Kashanskiy, Monika Moissonnier, Kurt Straif, Joachim Schüz, Hans Kromhout
INTRODUCTION: Historic dust concentrations are available in a large-scale cohort study of workers in a chrysotile mine and processing factories in Asbest, Russian Federation. Parallel dust (gravimetric) and fibre (phase-contrast optical microscopy) concentrations collected in 1995, 2007 and 2013/14 were used to determine if dust to fibre conversion factors can be estimated. MATERIALS/SUBJECTS AND METHODS: Daily medians of multiple parallel dust and fibre concentrations by sampling points were used to derive fibre to dust ratios...
April 13, 2017: International Journal of Hygiene and Environmental Health
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