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https://www.readbyqxmd.com/read/28912983/metastatic-melanoma-of-the-gallbladder-in-an-asymptomatic-patient
#1
Asad Khan, Sejal Patel, Daniel J Zaccarini, Mary McGrath
Malignant Melanoma (MM) is among the most dangerous malignancies with some of the least known survival rates. Melanoma most commonly metastasizes to regional lymph nodes, the lungs, and brain. Metastatic disease of the gallbladder (GB) is exceptionally rare making it difficult to diagnose. The fact that typically patients do not present until they are symptomatic-only after widespread metastatic disease has already occurred-is further complicating the diagnosis of MM of the GB. For this reason, MM of the GB is rarely discovered in living patients...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28912510/the-th1-th17-balance-dictates-the-fibrosis-response-in-murine-radiation-induced-lung-disease
#2
Alexandra Paun, Marie-Eve Bergeron, Christina K Haston
Radiotherapy can result in lung diseases pneumonitis or fibrosis dependent on patient susceptibility. Herein we used inbred and genetically altered mice to investigate whether the tissue adaptive immune response to radiation injury influences the development of radiation-induced lung disease. Six inbred mouse strains were exposed to 18 Gy whole thorax irradiation and upon respiratory distress strains prone to pneumonitis with fibrosis presented an increased pulmonary frequency of Thelper (Th)17 cells which was not evident in strains prone solely to pneumonitis...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912382/versican-is-produced-by-trif-and-type-i-interferon-dependent-signaling-in-macrophages-and-contributes-to-fine-control-of-innate-immunity-in-lungs
#3
Mary Y Chang, Inkyung Kang, Michael Gale, Anne M Manicone, Michael G Kinsella, Kathleen R Braun, Tara Wigmosta, William C Parks, William A Altemeier, Thomas N Wight, Charles W Frevert
Growing evidence suggests that versican is important in the innate immune response to lung infection. Our goal was to understand the regulation of macrophage-derived versican and the role it plays in innate immunity. We first defined the signaling events that regulate versican expression using bone marrow derived macrophages (BMDM) from mice lacking specific Toll-like receptors (TLR), TLR adaptor molecules or the type I interferon receptor (IFNAR1). We show that LPS and polyinosinic-polycytidylic acid [Poly(I:C)] trigger a signaling cascade involving TLR3 or 4, the Trif adaptor, Type I interferons and IFNAR1, leading to increased expression of versican by macrophages and implicating versican as an interferon-stimulated gene...
September 14, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28903417/disruption-of-dna-repair-in-cancer-cells-by-ubiquitination-of-a-destabilising-dimerization-domain-of-nucleotide-excision-repair-protein-ercc1
#4
Lanlan Yang, Ann-Marie Ritchie, David W Melton
DNA repair pathways present in all cells serve to preserve genome stability, but in cancer cells they also act reduce the efficacy of chemotherapy. The endonuclease ERCC1-XPF has an important role in the repair of DNA damage caused by a variety of chemotherapeutic agents and there has been intense interest in the use of ERCC1 as a predictive marker of therapeutic response in non-small cell lung carcinoma, squamous cell carcinoma and ovarian cancer. We have previously validated ERCC1 as a therapeutic target in melanoma, but all small molecule ERCC1-XPF inhibitors reported to date have lacked sufficient potency and specificity for clinical use...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28899937/treating-breathlessness-via-the-brain-changes-in-brain-activity-over-a-course-of-pulmonary-rehabilitation
#5
Mari Herigstad, Olivia K Faull, Anja Hayen, Eleanor Evans, F Maxine Hardinge, Katja Wiech, Kyle T S Pattinson
Breathlessness in chronic obstructive pulmonary disease (COPD) is often discordant with airway pathophysiology ("over-perception"). Pulmonary rehabilitation profoundly affects breathlessness, without influencing lung function. Learned associations influence brain mechanisms of sensory perception. We hypothesised that improvements in breathlessness with pulmonary rehabilitation may be explained by changing neural representations of learned associations.In 31 patients with COPD, we tested how pulmonary rehabilitation altered the relationship between brain activity during a breathlessness-related word-cue task (using functional magnetic resonance imaging), and clinical and psychological measures of breathlessness...
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28893857/changes-in-dynamic-lung-mechanics-after-lung-volume-reduction-coil-treatment-of-severe-emphysema
#6
Demosthenes Makris, Sylvie Leroy, Johana Pradelli, Jonathan Benzaquen, Hervé Guenard, Jeanne-Marie Perotin, Spyros Zakynthinos, Epaminondas Zakynthinos, Gaëtan Deslee, Charles Hugo Marquette
We assessed the relationships between changes in lung compliance, lung volumes and dynamic hyperinflation in patients with emphysema who underwent bronchoscopic treatment with nitinol coils (coil treatment) (n=11) or received usual care (UC) (n=11). Compared with UC, coil treatment resulted in decreased dynamic lung compliance (CLdyn) (p=0.03) and increased endurance time (p=0.010). The change in CLdyn was associated with significant improvement in FEV1 and FVC, with reduction in residual volume and intrinsic positive end-expiratory pressure, and with increased inspiratory capacity at rest/and at exercise...
September 11, 2017: Thorax
https://www.readbyqxmd.com/read/28892775/challenges-and-perspectives-in-the-immunotherapy-of-hodgkin-lymphoma
#7
REVIEW
Jean-Marie Michot, Julien Lazarovici, David Ghez, Alina Danu, Christophe Fermé, Amélie Bigorgne, Vincent Ribrag, Aurélien Marabelle, Sandrine Aspeslagh
Hodgkin lymphoma (HL) was one of the first few cancers to be cured first with radiotherapy alone and then with a combination of chemotherapy and radiotherapy. Around 80% of the patients with HL will be cured by first-line therapy. However, the ionising radiation not only produces cytotoxicity but also induces alterations in the microenvironment, and patients often struggle with the long-term consequences of these treatments, such as cardiovascular disorders, lung diseases and secondary malignancies. Hence, it is essential to improve treatments while avoiding delayed side-effects...
September 8, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28892190/parasitemia-due-to-sarcocystis-neurona-like-infection-in-a-clinically-ill-domestic-cat
#8
Nina C Zitzer, Antoinette E Marsh, Mary Jo Burkhard, M Judith Radin, Maxey L Wellman, Maria Jugan, Valerie Parker
An 8-year-old, 6-kg, male neutered Domestic Shorthair cat was presented to The Ohio State University Veterinary Medical Center (OSU-VMC) for difficulty breathing. Physical examination and thoracic radiographs indicated pneumonia, a soft-tissue mass in the left caudal lung lobe, and diffuse pleural effusion. The effusion was classified as modified transudate. Rare extracellular elongated (~5-7 μm × 1-2 μm) zoites with a central round to oval-shaped purple to deep purple vesicular nucleus with coarsely stippled chromatin and light blue cytoplasm were seen on a peripheral blood smear...
September 11, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28891418/two-years-follow-up-of-an-open-label-pilot-study-of-treatment-with-rituximab-in-patients-with-early-diffuse-cutaneous-systemic-sclerosis
#9
Karin Melsens, Els Vandecasteele, Ellen Deschepper, Valérie Badot, Daniel Blockmans, Guy Brusselle, Ellen De Langhe, Michel De Pauw, Claire Debusschere, Saskia Decuman, Liselotte Deroo, Frédéric Houssiau, Jan Lenaerts, Yves Piette, Kristof Thevissen, Marie Vanthuyne, René Westhovens, Sara Wijnant, Filip De Keyser, Vanessa Smith
OBJECTIVES: Following results in open-label studies of rituximab in patients with systemic sclerosis, a Belgian three-centre initiative was launched to explore safety and efficacy of rituximab in early, diffuse cutaneous systemic sclerosis (dcSSc). METHODS: Open-label study of 17 patients with early dcSSc, treated with two courses of rituximab, at month 0 and 6. Clinical examination, lung function testing, echocardiography, disease activity score (DAS) and functional status were performed at baseline and over 24 months of follow-up...
September 11, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28889896/bronchiectasis-complicating-lung-volume-reduction-coil-treatment
#10
Marie Pierre Debray, Armelle Marceau, Marie Christine Dombret, Vincent Bunel, Sylvie Leroy, Gaëtan Deslée, Hervé Mal
Endoscopic lung volume reduction has emerged over the past several years as a promising technique to improve the respiratory functional status of patients with advanced emphysema. Nevertheless, the procedure may be associated with various complications; among them, the development of bronchiectasis related to the coils has not yet been described. We report the case of a patient with emphysema who developed localized bronchiectasis at the site of coil insertion several months after lung volume reduction coil treatment...
September 2017: Chest
https://www.readbyqxmd.com/read/28889112/interplay-between-cigarette-smoking-and%C3%A2-pulmonary-reverse-lipid-transport
#11
Éric Jubinville, Maude Talbot, Jean-Christophe Bérubé, Mélanie Hamel-Auger, Michaël Maranda-Robitaille, Marie-Josée Beaulieu, Sophie Aubin, Marie-Ève Paré, David G Kallend, Benoit Arsenault, Yohan Bossé, Mathieu C Morissette
Reverse lipid transport is critical to maintain homeostasis. Smoking causes lipid accumulation in macrophages, therefore suggesting suboptimal reverse lipid transport mechanisms. In this study, we investigated the interplay between smoking and reverse lipid transport and the consequences on smoking-induced lung and peripheral alterations.To investigate the relationship between smoking and reverse lipid transport, we used a clinical lung gene expression dataset and a mouse model of cigarette smoke exposure. We also used ApoA-1(-/-) mice, with reduced reverse lipid transport capacity, and a recombinant ApoA-1 Milano/phospholipid complex (MDCO-216) to boost reverse lipid transport...
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28886691/impaired-response-of-the-bronchial-epithelium-to-inflammation-characterizes-severe-equine-asthma
#12
Laurence Tessier, Olivier Côté, Mary Ellen Clark, Laurent Viel, Andrés Diaz-Méndez, Simon Anders, Dorothee Bienzle
BACKGROUND: Severe equine asthma is a naturally occurring lung inflammatory disease of mature animals characterized by neutrophilic inflammation, bronchoconstriction, mucus hypersecretion and airway remodeling. Exacerbations are triggered by inhalation of dust and microbial components. Affected animals eventually are unable of aerobic performance. In this study transcriptomic differences between asthmatic and non-asthmatic animals in the response of the bronchial epithelium to an inhaled challenge were determined...
September 8, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28886586/a-murine-ig-light-chain-transgene-reveals-igkv3-gene-contributions-to-anti-collagen-types-iv-and-ii-specificities
#13
Amy G Clark, Inge M Worni-Schudel, Francesca M Korte, Mary H Foster
A subset of autoimmune diseases result from autoantibodies targeting epitopes on matrix collagen. The most extensively studied are anti-glomerular basement membrane glomerulonephritis (or its systemic counterpart Goodpasture's disease) that destroys kidneys and lungs, and rheumatoid arthritis that leads to disabling arthritis. Autoantibodies in these disorders bind evolutionarily conserved conformational epitopes on the noncollagenous domain 1 (NC1) of the alpha3 chain of type IV [alpha3(IV)NC1] collagen in glomerular and alveolar basement membranes, and on native or citrullinated type II collagen (CII) in joint cartilage, respectively...
September 5, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28885171/gestational-age-and-outcomes-in-critical-congenital-heart-disease
#14
Martina A Steurer, Rebecca J Baer, Roberta L Keller, Scott Oltman, Christina D Chambers, Mary E Norton, Shabnam Peyvandi, Larry Rand, Satish Rajagopal, Kelli K Ryckman, Anita J Moon-Grady, Laura L Jelliffe-Pawlowski
BACKGROUND AND OBJECTIVES: It is unknown how gestational age (GA) impacts neonatal morbidities in infants with critical congenital heart disease (CCHD). We aim to quantify GA-specific mortality and neonatal morbidity in infants with CCHD. METHODS: Cohort study using a database linking birth certificate, infant hospital discharge, readmission, and death records, including infants 22 to 42 weeks' GA without chromosomal anomalies (2005-2012, 2 988 925 live births)...
September 8, 2017: Pediatrics
https://www.readbyqxmd.com/read/28884215/effect-of-smoking-cessation-on-quantitative-computed-tomography-in-smokers-at-risk-in-a-lung-cancer-screening-population
#15
Bertram J Jobst, Oliver Weinheimer, Mila Trauth, Nikolaus Becker, Erna Motsch, Marie-Luise Groß, Jan Tremper, Stefan Delorme, Anke Eigentopf, Monika Eichinger, Hans-Ulrich Kauczor, Mark O Wielpütz
OBJECTIVE: To longitudinally evaluate effects of smoking cessation on quantitative CT in a lung cancer screening cohort of heavy smokers over 4 years. METHODS: After 4 years, low-dose chest CT was available for 314 long-term ex-smokers (ES), 404 continuous smokers (CS) and 39 recent quitters (RQ) who quitted smoking within 2 years after baseline CT. CT acquired at baseline and after 3 and 4 years was subjected to well-evaluated densitometry software, computing mean lung density (MLD) and 15th percentile of the lung density histogram (15TH)...
September 7, 2017: European Radiology
https://www.readbyqxmd.com/read/28878780/p2y6-receptor-activation-promotes-inflammation-and-tissue-remodeling-in-pulmonary-fibrosis
#16
Tobias Müller, Susanne Fay, Rodolfo Paula Vieira, Harry Karmouty-Quintana, Sanja Cicko, Cemil Korcan Ayata, Gernot Zissel, Torsten Goldmann, Giuseppe Lungarella, Davide Ferrari, Francesco Di Virgilio, Bernard Robaye, Jean-Marie Boeynaems, Eduardo R Lazarowski, Michael R Blackburn, Marco Idzko
Idiopathic pulmonary fibrosis (IPF) is a disease with a poor prognosis and very few available treatment options. The involvement of the purinergic receptor subtypes P2Y2 and P2X7 in fibrotic lung disease has been demonstrated recently. In this study, we investigated the role of P2Y6 receptors in the pathogenesis of IPF in humans and in the animal model of bleomycin-induced lung injury. P2Y6R expression was upregulated in lung structural cells but not in bronchoalveolar lavage (BAL) cells derived from IPF patients as well as in animals following bleomycin administration...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28872776/social-determinants-of-influenza-hospitalization-in-the-united-states
#17
Rameela Chandrasekhar, Chantel Sloan, Edward Mitchel, Danielle Ndi, Nisha Alden, Ann Thomas, Nancy M Bennett, Pam D Kirley, Mary Hill, Evan J Anderson, Ruth Lynfield, Kimberly Yousey-Hindes, Marisa Bargsten, Shelley M Zansky, Krista Lung, Monica Schroeder, Maya Monroe, Seth Eckel, Tiffanie M Markus, Charisse N Cummings, Shikha Garg, William Schaffner, Mary Lou Lindegren
BACKGROUND: Influenza hospitalizations result in substantial morbidity and mortality each year. Little is known about the association between influenza hospitalization and census tract-based socioeconomic determinants beyond the effect of individual factors. OBJECTIVE: To evaluate if census tract-based determinants such as poverty and household crowding would contribute significantly to the risk of influenza hospitalization above and beyond individual level determinants...
September 5, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/28872353/quantitative-evidence-for-revising-the-definition-of-primary-graft-dysfunction-after-lung-transplant
#18
Edward Cantu, Joshua M Diamond, Yoshikazu Suzuki, Jared Lasky, Christian Schaufler, Brian Lim, Rupal Shah, Mary Porteous, David J Lederer, Steven M Kawut, Scott M Palmer, Laurie D Snyder, Matthew G Hartwig, Vibha N Lama, Sangeeta Bhorade, Christian Bermudez, Maria Crespo, John McDyer, Keith Wille, Jonathan Orens, Pali D Shah, Ann Weinacker, David Weill, David Wilkes, David Roe, Chadi Hage, Lorraine B Ware, Scarlett L Bellamy, Jason D Christie
RATIONALE: Primary graft dysfunction (PGD) is a form of acute lung injury that occurs after lung transplantation. The definition of PGD was standardized in 2005. Since that time, clinical practice has evolved and this definition is increasingly used as a primary endpoint for clinical trials; therefore, validation is warranted. OBJECTIVE: We sought to determine whether refinements to the 2005 consensus definition could further improve construct validity. METHODS: Data from the Lung Transplant Outcomes Group multi-centered cohort was used to compare variations to the PGD definition, including alternate oxygenation thresholds, inclusion of additional severity groups, and effects of procedure type and mechanical ventilation...
September 5, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28871983/phase-1-2-study-of-dual-energy-computed-tomography-for-assessment-of-pulmonary-function-in-radiation-therapy-planning
#19
Houda Bahig, Marie-Pierre Campeau, Andréanne Lapointe, Stephane Bedwani, David Roberge, Jacques de Guise, Danis Blais, Toni Vu, Louise Lambert, Carl Chartrand-Lefebvre, Martin Lord, Edith Filion
PURPOSE: To quantify lung function according to a dual-energy computed tomography (DECT)-derived iodine map in patients treated with radiation therapy for lung cancer, and to assess the dosimetric impact of its integration in radiation therapy planning. METHODS AND MATERIALS: Patients treated with stereotactic ablative radiation therapy for early-stage or intensity modulated radiation therapy for locally advanced lung cancer were prospectively enrolled in this study...
October 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28866829/an-investigation-of-the-prevalence-of-swallowing-difficulties-and-impact-on-quality-of-life-in-patients-with-advanced-lung-cancer
#20
Grainne C Brady, Justin W G Roe, Mary O' Brien, Annette Boaz, Clare Shaw
BACKGROUND: Dysphagia can occur in advanced lung cancer due to direct tumour invasion or nerve compression. Anti-cancer treatments and co-morbid conditions may also cause or compound dysphagic symptoms. Speech and language therapy (SLT), medical and surgical interventions are available to address dysphagic symptoms in patients with lung cancer, however, management options are not described in national guidelines. Given the potentially short prognoses for patients with lung cancer, the aim of care should be to reduce symptom burden and maximise quality of life (QOL)...
September 2, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
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