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https://www.readbyqxmd.com/read/29021990/discovery-radiomics-via-evolutionary-deep-radiomic-sequencer-discovery-for-pathologically-proven-lung-cancer-detection
#1
Mohammad Javad Shafiee, Audrey G Chung, Farzad Khalvati, Masoom A Haider, Alexander Wong
While lung cancer is the second most diagnosed form of cancer in men and women, a sufficiently early diagnosis can be pivotal in patient survival rates. Imaging-based, or radiomics-driven, detection methods have been developed to aid diagnosticians, but largely rely on hand-crafted features that may not fully encapsulate the differences between cancerous and healthy tissue. Recently, the concept of discovery radiomics was introduced, where custom abstract features are discovered from readily available imaging data...
October 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/29017659/-massive-pulmonary-embolism-similar-to-acute-myocardial-infarction-rescued-by-ecmo-a-case-report
#2
Wenqing Gao, Tong Li, Xiaomin Hu, Dawei Duan, Peng Wu, Yue Zhao, Meng Ning
Acute myocardial infarction (AMI) and acute massive pulmonary embolism can be characterized by no pulse electrical activity. Patients of cardiac arrest (CA) with no pulse electrical activity have a high mortality rate before the cause was corrected. Extracorporeal membrane oxygenation (ECMO), as a kind of artificial heart-lung support organ, provides treatment for CA patients. A case of massive pulmonary embolism similar to AMI was treated in the Third Central Hospital of Tianjin, who received interventional thrombolysis assisted by ECMO...
October 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28973379/identification-of-any-structure-specific-hepatotoxic-potential-of-different-pyrrolizidine-alkaloids-using-random-forest-and-artificial-neural-network
#3
Verena Schöning, Felix Hammann, Mark Peinl, Jürgen Drewe
Pyrrolizidine alkaloids (PAs) are characteristic metabolites of some plant families and form a powerful defence mechanism against herbivores. More than 600 different PAs are known. PAs are ester alkaloids composed of a necine base and a necic acid, which can be used to divide PAs in different structural subcategories. The main target organs for PA metabolism and toxicity are liver and lungs. Additionally, PAs are potentially genotoxic, carcinogenic and exhibit developmental toxicity. Only for very few PAs, in vitro and in vivo investigations have characterised their toxic potential...
September 9, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28971978/activation-of-the-sweet-taste-receptor-t1r3-by-the-artificial-sweetener-sucralose-regulates-the-pulmonary-endothelium
#4
Elizabeth O Harrington, Alexander Vang, Julie Braza, Aparna Shil, Havovi Chichger
A hallmark of acute respiratory distress syndrome (ARDS) is pulmonary vascular permeability. In these settings, loss of barrier integrity is mediated by cell-contact disassembly and actin-remodelling. Studies into molecular mechanisms responsible for improving microvascular barrier function are therefore vital in the development of therapeutic targets for reducing vascular permeability in ARDS. The sweet taste receptor, T1R3 is a GPCR, activated following exposure to sweet molecules, to trigger a gustducin-dependent signal cascade...
September 28, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28967214/defining-the-end-point-of-mastication-a-conceptual-model
#5
Eli M Gray-Stuart, Jim R Jones, John E Bronlund
The great risks of swallowing are choking and aspiration of food into the lungs. Both are rare in normal functioning humans, which is remarkable given the diversity of foods and the estimated 10 million swallows performed in a lifetime. Nevertheless, it remains a major challenge to define the food properties that are necessary to ensure a safe swallow. Here, the mouth is viewed as a well-controlled processor where mechanical sensory assessment occurs throughout the occlusion-circulation cycle of mastication...
October 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/28965736/second-annual-pediatric-interagency-registry-for-mechanical-circulatory-support-pedimacs-report-pre-implant-characteristics-and-outcomes
#6
Elizabeth D Blume, Christina VanderPluym, Angela Lorts, J Timothy Baldwin, Joseph W Rossano, David L S Morales, Ryan S Cantor, Marissa A Miller, James D St Louis, Devin Koehl, David L Sutcliffe, Pirooz Eghtesady, James K Kirklin, David N Rosenthal
BACKGROUND: Expanded use of pediatric ventricular assist devices (VADs) has decreased mortality in children awaiting heart transplantation. Pediatric Interagency Registry for Mechanical Circulatory Support (Pedimacs), a National Heart, Lung, and Blood Institute-sponsored North American database, provides a platform to understand this emerging population. METHODS: Between September 2012 and September 2016, patients aged younger than 19 years who underwent VAD implantation were enrolled in Pedimacs...
July 4, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28947683/headspace-volatile-organic-compounds-from-bacteria-implicated-in-ventilator-associated-pneumonia-analysed-by-td-gc-ms
#7
Oluwasola Lawal, Howbeer Muhamadali, Waqar Ahmed, Iain R White, Tamara M E Nijsen, Royston Goodacre, Stephen J Fowler
Ventilator-associated pneumonia (VAP) is a healthcare-acquired infection arising from the invasion of the lower respiratory tract by opportunistic pathogens in critically ill ventilated patients. The current method of diagnosis requires the culture of an airway sample such as bronchoalveolar lavage, which is invasive to obtain and may take up to seven days to identify a causal pathogen, or indeed rule out infection. While awaiting results, patients are administered empirical antibiotics; risks of this approach include lack of effect on the causal pathogen, contribution to the development of antibiotic resistance and downstream effects such as increased length of intensive care stay, cost, morbidity and mortality...
September 26, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28926942/the-semi-synthetic-peptide-lin-sb056-1-in-combination-with-edta-exerts-strong-antimicrobial-and-antibiofilm-activity-against-pseudomonas-aeruginosa-in-conditions-mimicking-cystic-fibrosis-sputum
#8
Giuseppantonio Maisetta, Lucia Grassi, Semih Esin, Ilaria Serra, Mariano A Scorciapino, Andrea C Rinaldi, Giovanna Batoni
Pseudomonas aeruginosa is a major cause of chronic lung infections in cystic fibrosis (CF) patients. The ability of the bacterium to form biofilms and the presence of a thick and stagnant mucus in the airways of CF patients largely contribute to antibiotic therapy failure and demand for new antimicrobial agents able to act in the CF environment. The present study investigated the anti-P. aeruginosa activity of lin-SB056-1, a recently described semi-synthetic antimicrobial peptide, used alone and in combination with the cation chelator ethylenediaminetetraacetic acid (EDTA)...
September 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28912590/the-importance-of-simulated-lung-fluid-slf-extractions-for-a-more-relevant-evaluation-of-the-oxidative-potential-of-particulate-matter
#9
Aude Calas, Gaëlle Uzu, Jean M F Martins, Didier Voisin, Lorenzo Spadini, Thomas Lacroix, Jean-Luc Jaffrezo
Particulate matter (PM) induces oxidative stress in vivo, leading to adverse health effects. Oxidative potential (OP) of PM is increasingly studied as a relevant metric for health impact (instead of PM mass concentration) as much of the ambient particle mass do not contribute to PM toxicity. Several assays have been developed to quantify PM oxidative potential and a widely used one is the acellular dithiothreitol (DTT) assay. However in such assays, particles are usually extracted with methanol or Milli-Q water which is unrepresentative of physiological conditions...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28905283/chrysotile-effects-on-the-expression-of-anti-oncogene-p53-and-p16-and-oncogene-c-jun-and-c-fos-in-wistar-rats-lung-tissues
#10
Yan Cui, Yuchan Wang, Jianjun Deng, Gongli Hu, Faqin Dong, Qingbi Zhang
Chrysotile is the most widely used form of asbestos worldwide. China is the world's largest consumer and second largest producer of chrysotile. The carcinogenicity of chrysotile has been extensively documented, and accumulative evidence has shown that chrysotile is capable of causing lung cancer and other forms of cancer. However, molecular mechanisms underlying the tumorigenic effects of chrysotile remained poorly understood. To explore the carcinogenicity of chrysotile, Wistar rats were administered by intratracheal instillation (by an artificial route of administration) for 0, 0...
September 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28892307/purification-of-polysaccharide-from-artificially-cultivated-anoectochilus-roxburghii-wall-lindl-by-high-speed-counter-current-chromatography-and-its-antitumor-activity
#11
Xiaoling Yu, Shouer Lin, Jinque Zhang, Liying Huang, Hong Yao, Shaoguang Li
To establish a systematic method for the extraction, purification, characterization and antitumor activity study of polysaccharide from artificially cultivated Anoectochilus roxburghii(wall.) Lindl. (AC-ARPS). High-speed counter current chromatography with two-phase aqueous systems was successfully applied to purify AC-ARPS after one-step separation. The purity of the AC-ARPS obtained by phenol/sulfuric acid method was 95.01%. The chemical structures of AC-ARPS were identified by a series analytical methods including high-performance liquid chromatography and liquid chromatography with mass spectrometry...
September 11, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28891072/stable-control-of-physiological-parameters-but-not-infection-in-preterm-lambs-maintained-on-ex-vivo-uterine-environment-therapy
#12
Yuichiro Miura, Haruo Usuda, Shimpei Watanabe, Eleanor Woodward, Masatoshi Saito, Gabrielle C Musk, Suhas G Kallapur, Shinichi Sato, Ryuta Kitanishi, Tadashi Matsuda, John P Newnham, Sarah J Stock, Matthew W Kemp
Ex vivo uterine environment (EVE) therapy is an experimental neonatal intensive care strategy wherein gas exchange is performed by membranous oxygenators attached to the umbilical vessels. Our aim was to assess the ability of a newly refined EVE system to maintain key physiological parameters in preterm lambs within optimal ranges for 48 h. EVE group; n = 6: Preterm lambs were delivered under general anesthesia at 115 ± 2 days of gestational age. Animals were submerged in a bath of artificial amniotic fluid on EVE therapy for 48 h...
September 11, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28884371/egfr-t790m-mutation-testing-of-non-small-cell-lung-cancer-tissue-and-blood-samples-artificially-spiked-with-circulating-cell-free-tumor-dna-results-of-a-round-robin-trial
#13
Jana Fassunke, Michaela Angelika Ihle, Dido Lenze, Annika Lehmann, Michael Hummel, Claudia Vollbrecht, Roland Penzel, Anna-Lena Volckmar, Albrecht Stenzinger, Volker Endris, Andreas Jung, Ulrich Lehmann, Silke Zeugner, Gustavo Baretton, Hans Kreipe, Peter Schirmacher, Thomas Kirchner, Manfred Dietel, Reinhard Büttner, Sabine Merkelbach-Bruse
The European Commision (EC) recently approved osimertinib for the treatment of adult patients with locally advanced or metastatic non-small-cell lung cancer (NSCLC) harboring EGFR T790M mutations. Besides tissue-based testing, blood samples containing cell-free circulating tumor DNA (ctDNA) can be used to interrogate T790M status. Herein, we describe the conditions and results of a round robin trial (RRT) for T790M mutation testing in NSCLC tissue specimens and peripheral blood samples spiked with cell line DNA mimicking tumor-derived ctDNA...
September 8, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28882991/artificial-stone-associated-silicosis-a-rapidly-emerging-occupational-lung-disease
#14
Ryan F Hoy, Timothy Baird, Gary Hammerschlag, David Hart, Anthony R Johnson, Paul King, Michael Putt, Deborah H Yates
INTRODUCTION: Artificial stone is an increasingly popular material used to fabricate kitchen and bathroom benchtops. Cutting and grinding artificial stone is associated with generation of very high levels of respirable crystalline silica, and the frequency of cases of severe silicosis associated with this exposure is rapidly increasing. AIM: To report the characteristics of a clinical series of Australian workers with artificial stone-associated silicosis. METHODS: Respiratory physicians voluntarily reported cases of artificial stone-associated silicosis identified in their clinical practices...
September 7, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28879605/in-vitro-evaluation-of-limitations-and-possibilities-for-the-future-use-of-intracorporeal-gas-exchangers-placed-in-the-upper-lobe-position
#15
Erin Schumer, Klaus Höffler, Christian Kuehn, Mark Slaughter, Axel Haverich, Bettina Wiegmann
The lack of donor organs has led to the development of alternative "destination therapies", such as a bio-artificial lung (BA) for end-stage lung disease. Ultimately aiming at a fully implantable BA, general capabilities and limitations of different oxygenators were tested based on the model of BA positioning at the right upper lobe. Three different-sized oxygenators (neonatal, paediatric, and adult) were tested in a mock circulation loop regarding oxygenation and decarboxylation capacities for three respiratory pathologies...
September 6, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28873330/differential-expression-of-virulence-genes-in-legionella-pneumophila-growing-in-acanthamoeba-and-human-monocytes
#16
Qianqian Mou, Polly H M Leung
Legionella pneumophila, the causative agent of Legionnaires' disease, is widely distributed throughout natural and artificial water systems and can replicate in macrophages and amoebae. Amoebae are the natural hosts of L. pneumophila, whereas macrophages are incidentally infected. The life cycle of L. pneumophila comprises a replicative phase within the Legionella-containing vacuole (LCV) and a transmissive phase during which bacterial cells become motile and are released via killing of the host. Although the host death mechanisms induced by L...
September 5, 2017: Virulence
https://www.readbyqxmd.com/read/28853529/-artificial-stone-silicosis-the-israel-epidemic-current-view
#17
REVIEW
Osnat Shtraichman, Mordechai R Kramer
Silicosis is a fibrotic occupational pulmonary disease that results from over-exposure to crystalline silica-containing dust. Silicosis is a progressive disease which can often lead to advanced respiratory failure, the need for lung transplantation or death. There are a number of silicosis associated diseases which constitute diagnostic challenges, as well as contribute to further morbidity. Although preventable through appropriate workplace precautions, silicosis not only remains an endemic disease worldwide, it has also manifested a resurgence of epidemic disease in recent years, as seen in the inclining prevalence of disease in Israel...
August 2017: Harefuah
https://www.readbyqxmd.com/read/28851379/prognosis-and-treatment-of-folfox-therapy-related-interstitial-pneumonia-a-plea-for-multimodal-immune-modulating-therapy-in-the-respiratory-insufficient-patient
#18
Annick De Weerdt, Amélie Dendooven, Annemie Snoeckx, Jan Pen, Martin Lammens, Philippe G Jorens
BACKGROUND: The FOLFOX regimen, i.e., folinic acid (FOL), fluorouracil (F) and oxaliplatin (OX), is a drug cocktail that is used to treat gastric and colorectal cancers. Despite the concomitant improvements in response rate, duration of response and patient survival, reports of serious toxic pulmonary side effects have progressively emerged. CASE PRESENTATION: We describe a patient who was treated with FOLFOX as an adjuvant to a rectosigmoidal resection of a rectosigmoidal carcinoma and who developed respiratory insufficiency requiring mechanical ventilation...
August 29, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28840139/influence-of-the-different-primary-cancers-and-different-types-of-bone-metastasis-on-the-lesion-based-artificial-neural-network-value-calculated-by-a-computer-aided-diagnostic-system-bonenavi-on-bone-scintigraphy-images
#19
Takuro Isoda, Shingo BaBa, Yasuhiro Maruoka, Yoshiyuki Kitamura, Keiichiro Tahara, Masayuki Sasaki, Masamitsu Hatakenaka, Hiroshi Honda
OBJECTIVES: BONENAVI, a computer-aided diagnostic system, is used in bone scintigraphy. This system provides the artificial neural network (ANN) and bone scan index (BSI) values. ANN is associated with the possibility of bone metastasis, while BSI is related to the amount of bone metastasis. The degree of uptake on bone scintigraphy can be affected by the type of bone metastasis. Therefore, the ANN value provided by BONENAVI may be influenced by the characteristics of bone metastasis...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28833401/a-novel-approach-based-on-low-field-nmr-for-the-detection-of-the-pathological-components-of-sputum-in-cystic-fibrosis-patients
#20
Michela Abrami, Fiorentina Ascenzioni, Enea Gino Di Domenico, Massimo Maschio, Alessandro Ventura, Marco Confalonieri, Sante Di Gioia, Massimo Conese, Barbara Dapas, Gabriele Grassi, Mario Grassi
PURPOSE: Development of a reliable, simple method to monitor lung condition in cystic fibrosis (CF) patients. Lung functionality assessment in CF patients is relevant, as most of them still die of respiratory failure. In lung mucus (sputum) of CF patients, components such as proteins, biopolymers, DNA, bacteria, and mucin are pathologically increased. As lung functionality is related to the amount of the pathological components in the sputum, their determination can help clinicians in monitoring lung condition and planning therapy...
August 22, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
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