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Asbestosis

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https://www.readbyqxmd.com/read/28855951/migrating-pleural-plaque-in-a-patient-with-asbestos-induced-pleural-disease-a-case-report
#1
Christian Eisenhawer, Michael K Felten, Thomas Hager, Mikhail Gronostayskiy, Philipp Bruners, Andrea Tannapfel, Thomas Kraus
BACKGROUND: Health surveillance of formerly asbestos exposed individuals focus on early detection of asbestos related diseases, such as lung fibrosis (asbestosis), pleural plaques, mesothelioma and lung cancer in particular. One main concern is the early and clear identification of lesions with a high risk of malignant changes and their undelayed clinical work-up. False positive results may lead to unnecessary and often painful diagnostic interventions, which create high costs when applied to a large cohort and also may discredit the whole program...
2017: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/28852644/asbestos-related-diseases-in-mineworkers-a-clinicopathological-study
#2
Ntombizodwa Ndlovu, David Rees, Jill Murray, Naseema Vorajee, Guy Richards, Jim teWaterNaude
The accurate diagnosis of asbestos-related diseases is important because of past and current asbestos exposures. This study evaluated the reliability of clinical diagnoses of asbestos-related diseases in former mineworkers using autopsies as the reference standard. Sensitivity, specificity, positive predictive value and negative predictive value were calculated. The 149 cases identified had clinical examinations 0.3-7.4 years before death. More asbestos-related diseases were diagnosed at autopsy rather than clinically: 77 versus 52 for asbestosis, 27 versus 14 for mesothelioma and 22 versus 3 for lung cancer...
July 2017: ERJ Open Research
https://www.readbyqxmd.com/read/28843224/survival-in-good-performance-malignant-pleural-mesothelioma-patients-prognostic-factors-and-predictors-of-response
#3
Mohamed Rahouma, Hala Aziz, Galal Ghaly, Mohamed Kamel, Iman Loai, Abdelrahman Mohamed
Purpose: Malignant pleural mesothelioma (MPM) has a poor prognosis in general. Here we sought to evaluate prognostic factors and predictors of response to chemotherapy in good performance (PS=0-I) patients. Methods: We retrospectively reviewed our database and enrolled patients with MPM who received platinum containing chemotherapy (2012-2014). Clinico-pathological and laboratory data were retrieved and Cox and logistic regression multivariate analyses (MVA) were respectively used to identify predictors of survival and response to chemotherapy...
August 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28833303/mortality-in-asbestos-cement-workers-in-pavia-italy-a-cohort-study
#4
Enrico Oddone, Daniela Ferrante, Sara Tunesi, Corrado Magnani
BACKGROUND: The aim of this study was to describe the mortality of a cohort of asbestos-cement workers in the largest plant in the most industrialized Italian region (Lombardy). METHODS: A cohort study was carried out on 1818 subjects, corresponding to 47 536.1 person-years of observation. Standardized mortality ratios (SMRs) were computed for the major causes of death. RESULTS: Increased SMRs were observed for pleural, peritoneal and lung cancers, and for asbestosis (SMR 26...
August 18, 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28805487/state-of-the-art-nanopathological-diagnostics
#5
Luca Roncati, Giuseppe Barbolini
The nanopathological diagnostics (ND) is an ultra-specialized branch of pathological anatomy aimed to identify the nanoparticles of metallic, semimetallic, or nonmetallic elements in the inorganic particulate matter present inside pathological tissues, even on the nanometer scale. ND exploits an environmental scanning electron microscope, connected to an X-ray microprobe mounted on an energy-dispersive spectrometer. The searching of nanoparticles can be performed on paraffin-embedded material, omitting emissions of black overlay and plating procedures...
September 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28780818/-exploratory-analysis-on-burden-of-disease-attributable-to-asbestosis-from-2006-to-2015
#6
M X Liu, X J Zhu, T Li, P Xiao, D Wang
Objective: To analyze the levels and trends of the burden of disease attributable to asbestosis from 2006 to 2015. Methods: Theincidence of asbestosis from 2006 to 2015 was used for calculation, with data of disability weight and remission rate from Global burden of disease study 2015 (GBD 2015) and DisMoD-MR 2.1 software for the calculation of duration and age of year onset. The reference template of GBD was adopted to calculate disability adjusted life year (DALY) , year of life lost (YLL) and year of lived with disability (YLD) value in order to analyze the level and changing trend of burden of disease attributable to asbestosis...
June 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28775133/italian-pool-of-asbestos-workers-cohorts-mortality-trends-of-asbestos-related-neoplasms-after-long-time-since-first-exposure
#7
Daniela Ferrante, Elisabetta Chellini, Enzo Merler, Venere Pavone, Stefano Silvestri, Lucia Miligi, Giuseppe Gorini, Vittoria Bressan, Paolo Girardi, Laura Ancona, Elisa Romeo, Ferdinando Luberto, Orietta Sala, Corrado Scarnato, Simona Menegozzo, Enrico Oddone, Sara Tunesi, Patrizia Perticaroli, Aldo Pettinari, Francesco Cuccaro, Stefano Mattioli, Antonio Baldassarre, Francesco Barone-Adesi, Tiziana Cena, Patrizia Legittimo, Alessandro Marinaccio, Dario Mirabelli, Marina Musti, Roberta Pirastu, Alessandra Ranucci, Corrado Magnani
OBJECTIVE: Asbestos is a known human carcinogen, with evidence for malignant mesothelioma (MM), cancers of lung, ovary, larynx and possibly other organs. MM rates are predicted to increase with a power of time since first exposure (TSFE), but the possible long-term attenuation of the trend is debated. The asbestos ban enforced in Italy in 1992 gives an opportunity to measure long-term cancer risk in formerly exposed workers. METHODS: Pool of 43 previously studied Italian asbestos cohorts (asbestos cement, rolling stock, shipbuilding), with mortality follow-up updated to 2010...
August 3, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28757678/microrna-expression-in-malignant-pleural-mesothelioma-and-asbestosis-a-pilot-study
#8
Paola Mozzoni, Luca Ampollini, Matteo Goldoni, Rossella Alinovi, Marcello Tiseo, Letizia Gnetti, Paolo Carbognani, Michele Rusca, Antonio Mutti, Antonio Percesepe, Massimo Corradi
BACKGROUND: The identification of diagnostic/prognostic biomarkers for asbestos-related diseases is relevant for early diagnosis and patient survival and may contribute to understanding the molecular mechanisms underlying the disease development and progression. AIMS: To identify a pattern of miRNAs as possible diagnostic biomarkers for patients with malignant pleural mesothelioma (MPM) and asbestosis (ASB) and as prognostic biomarkers for MPM patients. METHODS: miRNA-16, miRNA-17, miRNA-126, and miRNA-486 were quantified in plasma and formalin-fixed paraffin-embedded samples to evaluate their diagnostic and prognostic roles compared to patients with other noncancerous pulmonary diseases (controls)...
2017: Disease Markers
https://www.readbyqxmd.com/read/28686522/asbestos-related-disease-in-upholsterers
#9
M J Cruz, J Sampol, M Pallero, E Rodríguez, J Ferrer
Before its use was banned in developed countries, asbestos was widely applied in upholstery. However, the risk of asbestos diseases among upholsterers has only rarely been reported. In this case series, we present a first series of 6 workers employed in small workshops who developed several asbestos-related diseases, including pleural plaques, pleural fibrosis, and asbestosis. Exposures were intermittent and difficult to quantify, but lung asbestos content assessed by bronchoalveolar lavage was high in the 3 patients evaluated...
July 7, 2017: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28685333/chrysotile-and-rock-wool-fibers-induce-chromosome-aberrations-and-dna-damage-in-v79-lung-fibroblast-cells
#10
Yan Cui, Ji Ma, Wei Ye, Zhixia Han, Faqin Dong, Jianjun Deng, Qingbi Zhang
According to global estimates, at least 107,000 people die each year from asbestos-related lung cancer, mesothelioma, and asbestosis resulting from occupational exposure. Chrysotile accounts for approximately 90% of asbestos used worldwide. Artificial substitutes can also be cytotoxic to the same degree as chrysotile. But only a few researchers focused on their genetic effects and mutagenicity information which is useful in evaluating the carcinogenicity of chemicals. In this study, chrysotile from Mangnai, Qinghai, China, and an artificial substitute, rock wool fiber were prepared as suspensions and were tested at concentrations of 50, 100, and 200 μg/ml in V79 lung fibroblasts...
July 7, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28593073/cancer-incidence-in-asbestos-exposed-workers-an-update-on-four-finnish-cohorts
#11
Pia Nynäs, Eero Pukkala, Harri Vainio, Panu Oksa
BACKGROUND: We assessed the cancer risks of four different Finnish asbestos-exposed cohorts. We also explored if the cohorts with varying profiles of asbestos exposure exhibited varying relative risks of cancer. METHODS: The incident cancer cases for the asbestos-exposed worker cohorts were updated to the end of 2012 using the files of the Finnish Cancer Registry. The previously formed cohorts consisted of asbestos mine workers, asbestosis patients, asbestos sprayers, and workers who had taken part in a screening study based on asbestos exposure at work...
June 2017: Safety and Health At Work
https://www.readbyqxmd.com/read/28588347/glycoprotein-ykl-40-levels-in-plasma-are-associated-with-fibrotic-changes-on-hrct-in-asbestos-exposed-subjects
#12
Tuija Väänänen, Lauri Lehtimäki, Katriina Vuolteenaho, Mari Hämäläinen, Panu Oksa, Tuula Vierikko, Ritva Järvenpää, Jukka Uitti, Hannu Kankaanranta, Eeva Moilanen
YKL-40 is a chitinase-like glycoprotein produced by alternatively activated macrophages that are associated with wound healing and fibrosis. Asbestosis is a chronic asbestos-induced lung disease, in which injury of epithelial cells and activation of alveolar macrophages lead to enhanced collagen production and fibrosis. We studied if YKL-40 is related to inflammation, fibrosis, and/or lung function in subjects exposed to asbestosis. Venous blood samples were collected from 85 men with moderate or heavy occupational asbestos exposure and from 28 healthy, age-matched controls...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28558669/calretinin-as-a-blood-based-biomarker-for-mesothelioma
#13
Georg Johnen, Katarzyna Gawrych, Irina Raiko, Swaantje Casjens, Beate Pesch, Daniel G Weber, Dirk Taeger, Martin Lehnert, Jens Kollmeier, Torsten Bauer, Arthur W Musk, Bruce W S Robinson, Thomas Brüning, Jenette Creaney
BACKGROUND: Malignant mesothelioma (MM) is a deadly cancer mainly caused by previous exposure to asbestos. With a latency period up to 50 years the incidence of MM is still increasing, even in countries that banned asbestos. Secondary prevention has been established to provide persons at risk regular health examinations. An earlier detection with tumor markers might improve therapeutic options. Previously, we have developed a new blood-based assay for the protein marker calretinin. Aim of this study was the verification of the assay in an independent study population and comparison with the established marker mesothelin...
May 30, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28481375/pleural-mesothelioma-in-household-members-of-asbestos-exposed-workers-in-friuli-venezia-giulia-italy
#14
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/28409857/asbestos-asbestosis-and-cancer-the-helsinki-criteria-for-diagnosis-and-attribution-critical-need-for-revision-of-the-2014-update
#15
Xaver Baur, Hans-Joachim Woitowitz, Lygia T Budnik, David Egilman, Christine Oliver, Arthur Frank, Colin L Soskolne, Philip J Landrigan, Richard A Lemen
No abstract text is available yet for this article.
May 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28351840/macrophages-utilize-the-mitochondrial-calcium-uniporter-for-profibrotic-polarization
#16
Linlin Gu, Jennifer L Larson-Casey, A Brent Carter
Fibrosis in multiple organs, including the liver, kidney, and lung, often occurs secondary to environmental exposure. Asbestos exposure is one important environmental cause of lung fibrosis. The mechanisms that mediate fibrosis is not fully understood, although mitochondrial oxidative stress in alveolar macrophages is critical for fibrosis development. Mitochondrial Ca(2+) levels can be associated with production of reactive oxygen species. Here, we show that patients with asbestosis have higher levels of mitochondrial Ca(2+) compared with normal patients...
July 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28348451/serum-hmgb1-as-a-potential-biomarker-for-patients-with-asbestos-related-diseases
#17
Shibo Ying, Zhaoqiang Jiang, Xianglei He, Min Yu, Riping Chen, Junqiang Chen, Guoqing Ru, Yuan Chen, Wanyuan Chen, Lijin Zhu, Tao Li, Yixiao Zhang, Xinnian Guo, Xianhong Yin, Xing Zhang, Jianlin Lou
High-mobility group box 1 (HMGB1) functions as a proinflammatory cytokine and is one of the most intriguing molecules in inflammatory disorders and cancers. Notably, HMGB1 is a potential therapeutic target and novel biomarker in related diseases. However, the diagnostic value of HMGB1 for benign and malignant asbestos-related diseases (ARDs) remains unclear. In this work, we detected preoperative serum HMGB1 levels in Chinese asbestos-exposed (AE) and ARDs populations and further evaluated the diagnostic value of HMGB1 in patients with certain types of ARDs, including those with pleural plaques, asbestosis, or malignant mesothelioma (MM)...
2017: Disease Markers
https://www.readbyqxmd.com/read/28345684/-analysis-of-changes-in-radiographic-lung-image-and-lung-ventilation-disorders-in-workers-occupationally-exposed-to-chrysotile-in-the-past
#18
Elżbieta Cwynar, Beata Świątkowska, Jarosław Tomczyk
BACKGROUND: The adverse health effects of occupational exposure to asbestos dust may occur several years after first exposure. The objective of the study was to assess the relationship between lesions in the respiratory system and the factors contributing to occupational exposure to asbestos described in the first medical examination as well as to analyze the factors responsible for the progression of these changes in further medical tests. MATERIAL AND METHODS: The study group comprised 591 former workers of asbestos processing plant "Gambit" in Lubawka...
March 24, 2017: Medycyna Pracy
https://www.readbyqxmd.com/read/28339055/new-insights-on-old-toxicants-in-occupational-toxicology-review
#19
Chiara Costa, Edoardo Miozzi, Michele Teodoro, Giusi Briguglio, Venerando Rapisarda, Concettina Fenga
In order to deliver the best possible working environment, it is essential to identify professional conditions that could be harmful for worker's health and prevent (or limit) the occurrence of such conditions. The appropriate use of personal protective equipment and the development of appropriate regulations allowed to reduce the prevalence of 'classic' occupational diseases, such as occupational hearing loss or asbestosis, just to name a few. Nowadays, environmental pollution seems to be one of the most relevant concerns for human and animal health, and toxicology is becoming one of the most prominent fields of interest in occupational settings...
May 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28258190/sirt3-deficiency-promotes-lung-fibrosis-by-augmenting-alveolar-epithelial-cell-mitochondrial-dna-damage-and-apoptosis
#20
Renea P Jablonski, Seok-Jo Kim, Paul Cheresh, David B Williams, Luisa Morales-Nebreda, Yuan Cheng, Anjana Yeldandi, Sangeeta Bhorade, Annie Pardo, Moises Selman, Karen Ridge, David Gius, G R Scott Budinger, David W Kamp
Alveolar epithelial cell (AEC) mitochondrial dysfunction and apoptosis are important in idiopathic pulmonary fibrosis and asbestosis. Sirtuin 3 (SIRT3) detoxifies mitochondrial reactive oxygen species, in part, by deacetylating manganese superoxide dismutase (MnSOD) and mitochondrial 8-oxoguanine DNA glycosylase. We reasoned that SIRT3 deficiency occurs in fibrotic lungs and thereby augments AEC mtDNA damage and apoptosis. Human lungs were assessed by using immunohistochemistry for SIRT3 activity via acetylated MnSOD(K68) Murine AEC SIRT3 and cleaved caspase-9 (CC-9) expression were assayed by immunoblotting with or without SIRT3 enforced expression or silencing...
June 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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