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Mesothelioma, lung cancer,

Nurhan Sahin, Ayse Nur Akatli, Muhammet Reha Celik, Hakkı Ulutas, Emine Turkmen Samdanci, Cemil Colak
Pleural Malignant Mesothelioma (MM) is a fatal disease that has been associated with asbestos exposure. Differential diagnosis between the pleural infiltration of pulmonary carcinomas and MM is rather difficult particularly for epitheloid type mesothelioma.We aimed to investigate the utility of CD90, a cancer stem cell marker, in the differential diagnosis of MM and lung carcinoma, its prognostic significance and compare its value with that of Calretinin. Ninety pathology specimens including MM (n:30), pulmonary adenocarcinoma (n:30) and pulmonary squamous cell carcinoma (n:30) were used in this study...
October 19, 2016: Pathology Oncology Research: POR
Mohamed Réda El Ochi, Mohammed Massine El Hammoumi, Abdelhamid Biyi, Mohamed Allaoui, El Hassane Kabiri, Abderrahman Albouzidi, Mohamed Oukabli
BACKGROUND: Pulmonary sarcomas are uncommon accounting for 0.5 % of all primary lung cancers. Undifferentiated sarcomas account for up to 20 % of soft tissue sarcomas. A lung tumor revealed to be an undifferentiated sarcoma with epithelioid features has never been reported in the literature. CASE PRESENTATION: A 61-year-old white Moroccan man presented with 2 months' history of hemoptysis and dyspnea. Chest computed tomography showed a cystic mass involving the lower field of his right lung evoking first a hydatid cyst...
October 3, 2016: Journal of Medical Case Reports
Jeffrey L Levin, Alina Rouk, Sara Shepherd, George A Hurst, Jerry W McLarty
The Tyler asbestos plant produced pipe insulation from 1954 to 1972 and exclusively used amosite asbestos. There were 1130 former workers of this plant during the period of operation. A death certificate mortality analysis was published regarding this plant in 1998 for the period through 1993. This study represents an update of the mortality analysis with additional certificates collected for deaths occurring through 2011.Searches of the National Death Index database were conducted in 2004 and again in 2013...
2016: Journal of Toxicology and Environmental Health. Part B, Critical Reviews
Philip M Cook, Joseph Swintek, Timothy D Dawson, David Chapman, Mathew A Etterson, Dale Hoff
Cancer potencies of mineral and synthetic elongated particle mixtures, including asbestos fibers, are influenced by changes in fiber dose composition, bioavailability, and biodurability in combination with relevant cytotoxic dose-response relationships. An extensive rat intrapleural dose characterization data set with a wide variety of elongated particles physicochemical properties facilitated statistical analyses of pleural mesothelioma response data combined from several studies for evaluation of alternative dose-response models...
2016: Journal of Toxicology and Environmental Health. Part B, Critical Reviews
Jeffrey H Mandel, Bruce H Alexander, Gurumurthy Ramachandran
BACKGROUND: Mining of gold, taconite, and talc may involve exposure to elongate mineral particles (EMP). The involved EMPs are typically non-asbestiform, include dimensions that regulatory definitions exclude, and have been less studied. METHODS: A review of the literature was undertaken for this exposure and occupational epidemiological studies that occur in gold, talc, and taconite mining. RESULTS: Quantitative EMP exposure information in these industries is incomplete...
October 4, 2016: American Journal of Industrial Medicine
David Rice, Kari Chansky, Anna Nowak, Harvey Pass, Hedy Kindler, Lynn Shemanski, Isabelle Opitz, Sergi Call Caja, Seiki Hasegawa, Kemp Kernstine, Cansel Atinkaya, Federico Rea, Philippe Nafteux, Valerie Rusch
INTRODUCTION: Nodal categories for malignant pleural mesothelioma (MPM) are derived from the lung cancer staging system and have not been adequately validated. The International Association for the Study of Lung Cancer (IASLC) developed a multinational database to generate evidence-based recommendations to inform the 8(th) edition of the tumor, node metastasis classification of MPM. METHODS: Data from 29 centers were entered prospectively (n=1,566) or by transfer of retrospective data (n=1,953)...
September 23, 2016: Journal of Thoracic Oncology
Anna K Nowak, Kari Chansky, David C Rice, Harvey I Pass, Hedy L Kindler, Lynn Shemanski, Andrea Billé, Robert Rintoul, Hasan F Batirel, Charles F Thomas, Joseph Friedberg, Susana Cedres, Marc de Perrot, Valerie W Rusch
INTRODUCTION: Current T component for malignant pleural mesothelioma (MPM) has been predominantly informed by surgical datasets and consensus. The International Association for the Study of Lung Cancer undertook revision of the 7(th) Edition staging system for MPM with the goal of developing recommendations for the 8(th) edition. METHODS: Data elements including detailed T descriptors were developed by consensus. Tumor thickness at three pleural levels was also recorded...
September 23, 2016: Journal of Thoracic Oncology
Valerie W Rusch, Kari Chansky, Hedy L Kindler, Anna K Nowak, Harvey I Pass, David C Rice, Lynn Shemanski, Françoise Galateau-Sallé, Brian C McCaughan, Takashi Nakano, Enrico Ruffini, Jan P van Meerbeeck, Masahiro Yoshimura
INTRODUCTION: The M component and TNM stage groupings for malignant pleural mesothelioma (MPM) have been empirical. The International Association for the Study of Lung Cancer developed a multinational database to propose evidence-based revisions for the eighth edition of the TNM classification of MPM. METHODS: Data from 29 centers were submitted either electronically or by transfer of existing institutional databases. The M component as it currently stands was validated by confirming sufficient discrimination (by Kaplan-Meier analysis) with respect to overall survival (OS) between the clinical M0 (cM0) and cM1 categories...
September 28, 2016: Journal of Thoracic Oncology
X H Yin, L Ju, W Wu, Y Xiao, S B Ying, M Zhang, J L Lou, Z Y Jia, H L Xia, L J Zhu, X Zhang
Objective: To explore the cytotoxicities of MWCNT to the mesothelial cells and screen the changes of microRNA profile after exposure to MWCNT. Methods: A LDH method was used to test the cytotoxicities of MWCNT to MeT-5A cell lines. And then the differentially expressed miRNAs between mesothelioma cells and normal mesothelial cells were selected from previous work of research group. Among the significant expression changed miRNAs, 5 were verified by RT-qPCR in mesothelioma cells. The same five ones were further tested in MeT-5A cells exposed to 10 μg/cm(2) MWCNT for 8, 24, 48, 72 h by RT-qPCR...
July 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
Harvey Pass, Dorothy Giroux, Catherine Kennedy, Enrico Ruffini, Ayten K Cangir, David Rice, Hisao Asamura, David Waller, John Edwards, Walter Weder, Hans Hoffmann, Jan P van Meerbeeck, Anna Nowak, Valerie W Rusch
For nearly 40 years, there was no generally accepted staging system for malignant pleural mesothelioma (MPM). In 1994, members of the International Mesothelioma Interest Group (IMIG), in collaboration with the International Association for the Study of Lung Cancer (IASLC), proposed a tumor, node and metastasis (TNM) staging system based on analyses of outcomes in retrospective surgical series and small clinical trials. Subsequently accepted by the American Joint Commission on Cancer (AJCC) and the Union for International Cancer Control (UICC) for the 6(th) editions of their staging manuals, this system has since been the international staging standard...
September 23, 2016: Journal of Thoracic Oncology
Mutlay Sayan, Brooke T Mossman
The concept of the inflammasome, a macromolecular complex sensing cell stress or danger signals and initiating inflammation, was first introduced approximately a decade ago. Priming and activation of these intracellular protein platforms trigger the maturation of pro-inflammatory chemokines and cytokines, most notably, interleukin-1β (IL-1β) and IL-18, to promulgate innate immune defenses. Although classically studied in models of gout, Type II diabetes, Alzheimer's disease, and multiple sclerosis, the importance and mechanisms of action of inflammasome priming and activation have recently been elucidated in cells of the respiratory tract where they modulate the responses to a number of inhaled pathogenic particles and fibres...
2016: Particle and Fibre Toxicology
Alberto Sandri, Francesco Guerrera, Matteo Roffinella, Stefania Olivetti, Lorena Costardi, Alberto Oliaro, Pier Luigi Filosso, Paolo Olivo Lausi, Enrico Ruffini
BACKGROUND: To assess the trend of our surgical patients affected by malignant pleural mesothelioma (MPM) and submitted to diagnostic/palliative or curative surgical procedures and to validate the European Organisation for Research and Treatment of Cancer (EORTC) prognostic score in our patient population. METHODS: This is a cohort study of patients submitted to surgery for MPM from January 2007 to December 2013. Primary outcome was overall survival (OS). Univariate and multivariate-adjusted comparisons by EORTC prognostic score for OS were accomplished using Cox method...
August 2016: Journal of Thoracic Disease
Ruling Shen, Jun Li, Danrong Ye, Qingcheng Wang, Jian Fei
Onconase (Onc) is a cytotoxic ribonuclease derived from leopard frog oocytes or early embryos, and has been applied to the treatment of malignant mesothelioma in clinics. Onc also exhibits effective growth suppression of human non-small-cell lung cancer (NSCLC). Artemisinin (Art) and its derivatives are novel antimalarial drugs that exhibit antitumor and antivirus activities. In this study, we investigated the antitumor effects of combinations of Onc and an Art derivative, dihydroartemisinin (DHA), both in vitro and in vivo Isobologram analyses showed synergistic effects on the proliferation of NSCLC cells under the treatment with Onc and DHA...
October 2016: Acta Biochimica et Biophysica Sinica
Sudjit Luanpitpong, Liying Wang, Donna C Davidson, Heimo Riedel, Yon Rojanasakul
Engineered nanomaterials, including high aspect ratio carbon nanomaterials, are often commercialized without a complete human risk assessment and safety evaluation. A health concern has been raised that high aspect ratio nanomaterials such as carbon nanotubes may cause unintended health consequences, such as asbestos-like lung cancer and mesothelioma, when chronically inhaled. Considering the widespread industrial and clinical applications and the increasing incidence of human exposure to nanomaterials, it is important to address the issue of nanomaterial carcinogenicity in a timely manner...
June 1, 2016: Environmental Science. Nano
Angelika Bickel, Irene Koneth, Annette Enzler-Tschudy, Jörg Neuweiler, Lukas Flatz, Martin Früh
BACKGROUND: Pembrolizumab is an anti- Programmed Death 1 (PD-1) antibody approved in melanoma, non-small cell lung cancer and investigated in malignant pleural mesothelioma. The most frequent immunotherapy related autoimmune reactions include dermatitis, pneumonitis, colitis, hypophysitis, uveitis, hypothyreodism, hepatitis and interstitial nephritis. CASE PRESENTATION: We describe a 62-year old patient diagnosed with malignant pleural mesothelioma who experienced ten days after the second dose of third line therapy with pembrolizumab sudden onset of generalized edema including legs and eyelids and weight gain of 15 kg resulting from nephrotic syndrome and acute renal failure...
2016: BMC Cancer
Ashkan Salamatipour, Sanjay K Mohanty, Ralph A Pietrofesa, David R Vann, Melpo Christofidou-Solomidou, Jane K Willenbring
To measure the toxic potential of asbestos fibers-a known cause of asbestosis, lung cancer, and malignant mesothelioma-asbestos minerals are generally first ground down to small fibers, but it is unknown whether the grinding condition itself changes the fiber toxicity. To evaluate this, we ground chrysotile ore with or without water for 5-30 min and quantified asbestos-induced reactive oxygen species generation in elicited murine peritoneal macrophages as an indicator of fiber toxicity. The toxicity of dry-ground fibers was higher than the toxicity of wet-ground fibers...
July 12, 2016: Environmental Science & Technology Letters
Eileen D Kuempel, Marie-Claude Jaurand, Peter Møller, Yasuo Morimoto, Norihiro Kobayashi, Kent E Pinkerton, Linda M Sargent, Roel C H Vermeulen, Bice Fubini, Agnes B Kane
In an evaluation of carbon nanotubes (CNTs) for the IARC Monograph 111, the Mechanisms Subgroup was tasked with assessing the strength of evidence on the potential carcinogenicity of CNTs in humans. The mechanistic evidence was considered to be not strong enough to alter the evaluations based on the animal data. In this paper, we provide an extended, in-depth examination of the in vivo and in vitro experimental studies according to current hypotheses on the carcinogenicity of inhaled particles and fibers. We cite additional studies of CNTs that were not available at the time of the IARC meeting in October 2014, and extend our evaluation to include carbon nanofibers (CNFs)...
August 18, 2016: Critical Reviews in Toxicology
Renato Tozzoli, Stefano M M Basso, Federica D'Aurizio, Paolo Metus, Franco Lumachi
OBJECTIVES: Pleural effusion recognizes heterogeneous etiology and pathogenesis and requires invasive diagnostic procedures. Usually, after pleural fluid analysis, 30-50% of patients with malignant pleural effusion exhibit negative pleural cytology, and the sensitivity of image-guided pleural needle-aspiration biopsy ranges between 60% and 70%. With the aim of differentiating between benign (BPE) and malignant (MPE) pleural effusions, several tumor markers have been assayed in the pleural fluid and the majority of studies focus on pleural carcinoembryonic antigen (p-CEA)...
August 10, 2016: Clinical Biochemistry
Beata Świątkowska, Neonila Szeszenia-Dąbrowska, Urszula Wilczyńska
In Poland, the use of asbestos was banned in 1997 and asbestos plants have been closed since then. Despite their closure, cases of asbestos-related occupational diseases among former asbestos workers are still being recorded in the Central Register of Occupational Diseases. Between 2001 and 2014, there were 2726 asbestos-related illnesses, classified and reported as diseases associated with occupational exposure to asbestos. In 2000, Poland introduced a programme called Amiantus, targeted at former asbestos-processing plant workers...
August 1, 2016: Bulletin of the World Health Organization
Błażej Szydło, Paweł Kiczmer, Elżbieta Świętochowska, Zofia Ostrowska
For the past few years adipokines have been a center of appreciation and interest. They are biologically active molecules causing pleiotropic effects. They assist in angiogenesis, adipose tissue metabolism and inflammation, and modulate tissue sensitivity for insulin. Adipokines are produced in adipose tissue, so an abnormal quantity of this tissue leads to impaired levels of these factors. Because of their different concentrations in various conditions, it would be plausible to use them as markers for individual conditions, such as obesity, type 2 diabetes mellitus, pancreatitis, gastric cancer, lung cancer or colon cancer...
2016: Postȩpy Higieny i Medycyny Doświadczalnej
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