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https://www.readbyqxmd.com/read/28415798/tumor-derived-il-18-induces-pd-1-expression-on-immunosuppressive-nk-cells-in-triple-negative-breast-cancer
#1
In Hae Park, Han Na Yang, Kyoung Joo Lee, Tae-Sik Kim, Eun Sook Lee, So-Youn Jung, Youngmee Kwon, Sun-Young Kong
PURPOSE: While the inflammatory cytokine interleukin-18 (IL-18) is known to activate natural killer (NK) cells, its precise role in cancer is controversial. In this study, we investigated the role of tumor-derived IL-18 on peripheral blood NK cells in breast cancer patients. RESULTS: In breast cancer cell lines, IL-18 was expressed and secreted in the triple-negative breast cancer (TNBC) cell lines MDA-MB-231 and HCC-70 but not in MCF-7 cells. The immature and non-cytotoxic CD56dimCD16dim/- NK cell fraction was increased following co-culture with MDA-MB-231 cells, and this increase was not observed with tumor cells transfected with siRNA for IL-18 or in MCF-7 cells...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28406294/non-invasive-respiratory-metabolite-analysis-associated-with-clinical-disease-in-cetaceans-a-deepwater-horizon-oil-spill-study
#2
Alberto Pasamontes, Alexander A Aksenov, Michael Schivo, Teri Rowles, Cynthia R Smith, Lori H Schwacke, Randall S Wells, Laura Yeates, Stephanie Venn-Watson, Cristina E Davis
Health assessments of wild cetaceans can be challenging due to the difficulty of gaining access to conventional diagnostic matrices of blood, serum and others. While the non-invasive detection of metabolites in exhaled breath could potentially help to address this problem, there exists a knowledge gap regarding associations between known disease states and breath metabolite profiles in cetaceans. This technology was applied to the largest marine oil spill in U.S. history (The 2010 Deepwater Horizon oil spill in the Gulf of Mexico)...
April 13, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28273583/global-dna-methylation-and-oxidative-stress-biomarkers-in-workers-exposed-to-metal-oxide-nanoparticles
#3
Saou-Hsing Liou, Wei-Te Wu, Hui-Yi Liao, Chao-Yu Chen, Cheng-Yen Tsai, Wei-Ting Jung, Hui-Ling Lee
This is the first study to assess global methylation, oxidative DNA damage, and lipid peroxidation in workers with occupational exposure to metal oxide nanomaterials (NMs). Urinary and white blood cell (WBC) 8-hydroxydeoxyguanosine (8-OHdG), and exhaled breath condensate (EBC) 8-isoprostane were measured as oxidative stress biomarkers. WBC global methylation was measured as an epigenetic alteration. Exposure to TiO2, SiO2, and indium tin oxide (ITO) resulted in significantly higher oxidative biomarkers such as urinary 8-OHdG and EBC 8-isoprostane...
February 24, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28258988/serum-igf-1-igfbp-3-levels-and-circulating-tumor-cells-ctcs-in-early-breast-cancer-patients
#4
Georgios Z Papadakis, Dimitrios Mavroudis, Vasilios Georgoulias, John Souglakos, Athanasios K Alegakis, George Samonis, Ulas Bagci, Antonis Makrigiannakis, Odysseas Zoras
OBJECTIVE: Insulin-like growth factor (IGF)-axis is involved in human oncogenesis and metastasis development for various solid tumors including breast cancer. Aim of this study was to assess the association between IGF-1, IGF-binding protein-3 (IGFBP-3) serum levels and the presence of circulating tumor cells (CTCs) in the peripheral blood of women diagnosed with early breast cancer (EBC), before and after adjuvant chemotherapy. DESIGN: 171 patients with early-stage breast adenocarcinomas were retrospectively evaluated...
February 16, 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/28258373/acute-respiratory-effects-and-biomarkers-of-inflammation-due-to-welding-derived-nanoparticle-aggregates
#5
Katrin Dierschke, Christina Isaxon, Ulla B K Andersson, Eva Assarsson, Anna Axmon, Leo Stockfelt, Anders Gudmundsson, Bo A G Jönsson, Monica Kåredal, Jakob Löndahl, Joakim Pagels, Aneta Wierzbicka, Mats Bohgard, Jörn Nielsen
PURPOSE: Welders are exposed to airborne particles from the welding environment and often develop symptoms work-related from the airways. A large fraction of the particles from welding are in the nano-size range. In this study we investigate if the welders' airways are affected by exposure to particles derived from gas metal arc welding in mild steel in levels corresponding to a normal welding day. METHOD: In an exposure chamber, 11 welders with and 10 welders without work-related symptoms from the lower airways and 11 non-welders without symptoms, were exposed to welding fumes (1 mg/m(3)) and to filtered air, respectively, in a double-blind manner...
March 3, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28102057/periostin-in-exhaled-breath-condensate-and-in-serum-of-asthmatic-patients-relationship-to-upper-and-lower-airway-disease
#6
Aleksandra Wardzyńska, Joanna S Makowska, Małgorzata Pawełczyk, Aleksandra Piechota-Polańczyk, Marcin Kurowski, Marek L Kowalski
PURPOSE: Periostin is considered a biomarker for eosinophilic airway inflammation and have been associated with NSAID-Exacerbated Respiratory Disease (NERD) and chronic rhinosinusitis (CRS). In this study, we aimed to evaluate periostin in exhaled breath condensate (EBC) and in serum of patients with various asthma phenotypes. METHODS: The study included 40 asthmatic patients (22 with NERD) and 17 healthy controls. All the procedures (questionnaire, spirometry, FeNO, nasal swabs, EBC collecting, and blood sampling) were performed on the same day...
March 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28027327/mutational-profile-of-metastatic-breast-cancers-a-retrospective-analysis
#7
Celine Lefebvre, Thomas Bachelot, Thomas Filleron, Marion Pedrero, Mario Campone, Jean-Charles Soria, Christophe Massard, Christelle Lévy, Monica Arnedos, Magali Lacroix-Triki, Julie Garrabey, Yannick Boursin, Marc Deloger, Yu Fu, Frédéric Commo, Véronique Scott, Ludovic Lacroix, Maria Vittoria Dieci, Maud Kamal, Véronique Diéras, Anthony Gonçalves, Jean-Marc Ferrerro, Gilles Romieu, Laurence Vanlemmens, Marie-Ange Mouret Reynier, Jean-Christophe Théry, Fanny Le Du, Séverine Guiu, Florence Dalenc, Gilles Clapisson, Hervé Bonnefoi, Marta Jimenez, Christophe Le Tourneau, Fabrice André
BACKGROUND: Major advances have been achieved in the characterization of early breast cancer (eBC) genomic profiles. Metastatic breast cancer (mBC) is associated with poor outcomes, yet limited information is available on the genomic profile of this disease. This study aims to decipher mutational profiles of mBC using next-generation sequencing. METHODS AND FINDINGS: Whole-exome sequencing was performed on 216 tumor-blood pairs from mBC patients who underwent a biopsy in the context of the SAFIR01, SAFIR02, SHIVA, or Molecular Screening for Cancer Treatment Optimization (MOSCATO) prospective trials...
December 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27880043/mmp-8-mmp-9-and-neutrophil-elastase-in-peripheral-blood-and-exhaled-breath-condensate-in-copd
#8
JieHao Joshua Sng, Silvie Prazakova, Paul S Thomas, Cristan Herbert
Chronic obstructive pulmonary disease (COPD) is characterised by progressive and irreversible airflow limitation associated with chronic inflammation involving cytokines and metalloproteinases (MMPs). MMP-8, MMP-9 and neutrophil elastase (NE) are known to be implicated in COPD but the factors influencing activation and suppression remain unclear. This study aimed to compare MMP-8, MMP-9 and NE in the peripheral blood of COPD patients and controls and to likewise assess exhaled breath condensate (EBC) for these MMPs...
November 23, 2016: COPD
https://www.readbyqxmd.com/read/27720040/elevated-prostaglandin-e-metabolites-and-abnormal-plasma-fatty-acids-at-baseline-in-pediatric-cystic-fibrosis-patients-a-pilot-study
#9
Michael Glenn O'Connor, Kelly Thomsen, Rebekah F Brown, Michael Laposata, Adam Seegmiller
BACKGROUND: Airway inflammation is a significant contributor to the morbidity of cystic fibrosis (CF) disease. One feature of this inflammation is the production of oxygenated metabolites, such as prostaglandins. Individuals with CF are known to have abnormal metabolism of fatty acids, typically resulting in reduced levels of linoleic acid (LA) and docosahexaenoic acid (DHA). METHODS: This is a randomized, double-blind, cross-over clinical trial of DHA supplementation with endpoints of plasma fatty acid levels and prostaglandin E metabolite (PGE-M) levels...
October 2016: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/27688240/how-strong-is-the-association-between-ipf-and-lung-cancer-an-answer-from-airway-s-dna
#10
G E Carpagnano, D Lacedonia, P Soccio, I Caccavo, G Patricelli, M P Foschino Barbaro
Idiopathic pulmonary fibrosis is a chronic progressive disease of lung interstitium of unknown etiology with poor prognosis. In patients with IPF, the incidence of lung cancer is much higher than that in the general population. The identification of noninvasive biomarkers for early diagnosis of IPF is of great relevance in consideration of the management of these patients. Among the noninvasive omic markers, an increasing interest has been directed toward the study of genetic alterations of microsatellites (MAs) in exhaled breath condensate (EBC)...
November 2016: Medical Oncology
https://www.readbyqxmd.com/read/27639372/occupational-exposure-to-anesthetics-leads-to-genomic-instability-cytotoxicity-and-proliferative-changes
#11
Kátina M Souza, Leandro G Braz, Flávia R Nogueira, Marajane B Souza, Lahis F Bincoleto, Aline G Aun, José E Corrente, Lídia R Carvalho, José Reinaldo C Braz, Mariana G Braz
Data on the genotoxic and mutagenic effects of occupational exposure to the most frequently used volatile anesthetics are limited and controversial. The current study is the first to evaluate genomic instability, cell death and proliferative index in exfoliated buccal cells (EBC) from anesthesiologists. We also evaluated DNA damage and determined the concentrations of the anesthetic gases most commonly used in operating rooms. This study was conducted on physicians who were allocated into two groups: the exposed group, which consisted of anesthesiologists who had been exposed to waste anesthetic gases (isoflurane, sevoflurane, desflurane and nitrous oxide - N2O) for at least two years; and the control group, which consisted of non-exposed physicians matched for age, sex and lifestyle with the exposed group...
September 2016: Mutation Research
https://www.readbyqxmd.com/read/27593617/effects-of-dietary-nitrate-supplementation-on-symptoms-of-acute-mountain-sickness-and-basic-physiological-responses-in-a-group-of-male-adolescents-during-ascent-to-mount-everest-base-camp
#12
Philip J Hennis, Kay Mitchell, Edward Gilbert-Kawai, Vassiliki Bountziouka, Angie Wade, Martin Feelisch, Michael P Grocott, Daniel S Martin
The purpose of this study was to investigate the effects of dietary nitrate supplementation, in the form of beetroot juice, on acute mountain sickness (AMS) symptoms and physiological responses, in a group of young males trekking to Mount Everest Base Camp (EBC). Forty healthy male students (mean age (SD): 16 (1) yrs) trekked to EBC over 11 days. Following an overnight fast, each morning participants completed the Lake Louise AMS questionnaire and underwent a series of physiological tests: resting blood pressure as well as resting and exercising heart rate, respiratory rate, and peripheral oxygen saturation...
November 30, 2016: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/27436693/association-of-air-pollution-sources-and-aldehydes-with-biomarkers-of-blood-coagulation-pulmonary-inflammation-and-systemic-oxidative-stress
#13
Brent Altemose, Mark G Robson, Howard M Kipen, Pamela Ohman Strickland, Qingyu Meng, Jicheng Gong, Wei Huang, Guangfa Wang, David Q Rich, Tong Zhu, Junfeng Zhang
Using data collected before, during, and after the 2008 Summer Olympic Games in Beijing, this study examines associations between biomarkers of blood coagulation (vWF, sCD62P and sCD40L), pulmonary inflammation (EBC pH, EBC nitrite, and eNO), and systemic oxidative stress (urinary 8-OHdG) with sources of air pollution identified utilizing principal component analysis and with concentrations of three aldehydes of health concern. Associations between the biomarkers and the air pollution source types and aldehydes were examined using a linear mixed effects model, regressing through seven lag days and controlling for ambient temperature, relative humidity, gender, and day of week for the biomarker measurements...
May 2017: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27063576/study-of-mitochondrial-dna-alteration-in-the-exhaled-breath-condensate-of-patients-affected-by-obstructive-lung-diseases
#14
G E Carpagnano, D Lacedonia, M Carone, P Soccio, G Cotugno, G A Palmiotti, G Scioscia, M P Foschino Barbaro
Mitochondrial DNA (MtDNA) has been studied as an expression of oxidative stress in asthma, COPD, lung cancer and obstructive sleep apnea, but it has been mainly investigated systemically, although the pathogenetic mechanisms begin in the airways and only later progress to systemic circulation. The aim of this study was to investigate the MtDNA alterations in the exhaled breath condensate (EBC) of patients with asthma, COPD and asthma-COPD overlap syndrome (ACOS). In order to analyze better what happens to mitochondria, both locally and systemically, we compared MtDNA/nDNA in blood and EBC of paired patients...
April 11, 2016: Journal of Breath Research
https://www.readbyqxmd.com/read/27060205/ctcs-in-early-breast-cancer-a-path-worth-taking
#15
REVIEW
Roberta Maltoni, Giulia Gallerani, Pietro Fici, Andrea Rocca, Francesco Fabbri
Circulating tumor cells (CTCs) are cellular elements of undeniable significance that spread from the tumor mass into the peripheral blood and constitute one of the main vehicles for disease diffusion. Their rarity, in addition to a number of molecular and cellular features, has severely impaired research and exploitation. CTCs have been evaluated in early breast cancer (EBC), although long from being fully accepted in this field also due to a lack of technical standardization. CTCs hold promise to be a powerful non-invasive real-time measurable biomarker in all disease stages...
July 1, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27058482/measured-pulmonary-and-systemic-markers-of-inflammation-and-oxidative-stress-following-wildland-firefighter-simulations
#16
Matthew D Ferguson, Erin O Semmens, Charles Dumke, John C Quindry, Tony J Ward
OBJECTIVE: A controlled human exposure study was conducted to investigate the impact of inhalational exposures to wood smoke PM2.5 on measured concentrations of airway and systemic inflammatory biomarkers. METHODS: Mimicking wildland firefighter activities, 10 participants were exposed to three doses of wood smoke PM2.5 (filtered-air, 250 μg/m, and 500 μg/m) while exercising on a treadmill. Exhaled breath condensate (EBC) and blood plasma samples were obtained pre-, immediately post-, and 1-hour postexposure...
April 2016: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/27049101/8-isoprostane-in-exhaled-breath-condensate-after-experimental-exposure-to-wood-smoke-in-humans
#17
N Murgia, L Barregard, G Sallsten, A C Almstrand, P Montuschi, G Ciabattoni, A C Olin
Wood smoke, a well-known indoor and outdoor air pollutant, may cause adverse health effects through oxidative stress. In this study 8-isoprostane, a biomarker of oxidative stress, was measured in exhaled breath condensate (EBC) and urine before and after experimental exposure to wood smoke. The results were compared with measurements of other biomarkers of oxidative stress and inflammation. Thirteen subjects were exposed first to clean air and then, after 1 week, to wood smoke in an exposure chamber during 4-hour sessions...
January 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/26967450/the-time-to-clearance-of-peripheral-blood-blasts-predicts-complete-remission-and-survival-in-chinese-adults-with-acute-myeloid-leukemia
#18
Xiaoyang Li, Hongming Zhu, Yunxiang Zhang, Weili Zhao, Jianqing Mi, Jiong Hu, Junmin Li
The value of clearance of peripheral blood blasts (PBB) as a predictor of outcomes in acute myeloid leukemia (AML) is controversial. To investigate the prognostic significance of the time to clearance of PBB after induction in Chinese patients with AML, a retrospective analysis of 146 patients with newly diagnosed AML at Shanghai Ruijin Hospital was performed. Patients were categorized into early blast clearance (EBC; ≤5 days) and delayed blast clearance (DBC; >5 days) groups based on a receiver operating characteristic analysis...
2016: Acta Haematologica
https://www.readbyqxmd.com/read/26622752/a-phase-ii-double-blinded-study-to-evaluate-the-efficacy-of-ew02-in-reducing-chemotherapy-induced-neutropenia-in-breast-cancer
#19
Yi-Ying Wu, Hsin-Yi Liu, Tzu-Chuan Huang, Jia-Hong Chen, Ping-Ying Chang, Ching-Liang Ho, Tsu-Yi Chao
EW02, a polysaccharide-enriched crude extract from black soybean, has been shown to assist hematopoiesis in chemotherapy-treated animals. The present study aimed to clarify the safety, quality of life (QOL) and efficacy for myelopoiesis of EW02 administration in early breast cancer (EBC) patients receiving adjuvant chemotherapy. A total of 60 eligible EBC patients were enrolled in a randomized, double-blinded trial, 40 of whom were prescribed 700 mg oral EW02 three times daily for 15 days in chemotherapy cycle (C)2...
September 2015: Oncology Letters
https://www.readbyqxmd.com/read/26594121/evaluation-of-a-biosimilar-recombinant-alpha-epoetin-in-the-management-of-anemia-in-hemodialysis-patients
#20
Fatemeh Beiraghdar, Yunes Panahi, Behzad Einollahi, Eghlim Nemati, Amirhossein Sahebkar, Arash Hassanzadeh, Hamid T Khosroshahi, Sima A Azar, Javid Safa, Sadroddin R Hashemi, Jalal Etemadi, Eisa T Marzony, Hamid Noshad
BACKGROUND: The efficacy of human recombinant erythropoietins (rHuEPOs) in the treatment of anemia with different etiologies is proven. Development of biosimilar rHuEPO products with lower cost and wider availability is important for the care of anemic patients. OBJECTIVE: The aim of the present study was to determine the bioequivalence and safety of a biosimilar rHuEPO (Pastopoitin(®)) and compare it with the innovator product Eprex(®), as a standard rHuEPO. METHODS: One hundred and seven anemic patients on stable hemodialysis were recruited to this randomized double-blind comparative trial and assigned to either subcutaneous Pastopoitin (n = 50) or Eprex (n = 57)...
October 2015: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
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