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https://www.readbyqxmd.com/read/27913735/preoperative-pulmonary-rehabilitation-for-marginal-function-lung-cancer-patients
#1
Asra Hashmi, Frank A Baciewicz, Ayman O Soubani, Shirish M Gadgeel
BACKGROUND: This study aimed to evaluate the impact of preoperative pulmonary rehabilitation in lung cancer patients undergoing pulmonary resection surgery with marginal lung function. METHODS: Short-term outcomes of 42 patients with forced expiratory volume in 1 s < 1.6 L who underwent lung resection between 01/2006 and 12/2010 were reviewed retrospectively. They were divided into group A (no preoperative pulmonary rehabilitation) and group B (receiving pulmonary rehabilitation)...
December 2, 2016: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/27913620/pb1-f2-derived-from-avian-influenza-a-virus-h7n9-induces-inflammation-via-activation-of-the-nlrp3-inflammasome
#2
Anita Pinar, Jennifer K Dowling, Natalie J Bitto, Avril B Robertson, Eicke Latz, Cameron R Stewart, Grant R Drummond, Matthew A Cooper, Julie L McAuley, Michelle D Tate, Ashley Mansell
The emergence of avian H7N9 influenza A virus (IAV) in humans with associated high mortality, has highlighted the threat of a potential pandemic. Fatal H7N9 infections are characterised by hyperinflammation and increased cellular infiltrates in the lung. Currently there are limited therapies to address the pathologies associated with H7N9 infection and what virulence factors may contribute to these pathologies. We have found that PB1-F2 derived from H7N9 activates the NLRP3 inflammasome and induces lung inflammation and cellular recruitment that is NLRP3 dependent...
December 2, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27913424/digital-3d-reconstructions-using-histological-serial-sections-of-lung-tissue-including-the-alveolar-capillary-network
#3
Roman Grothausmann, Lars Knudsen, Matthias Ochs, Christian Mühlfeld
The alveolar capillary network (ACN) provides an enormously large surface area that is necessary for pulmonary gas exchange. Changes of the ACN during normal or pathological development or in pulmonary diseases are of great functional impact and warrant further analysis. Due to the complexity of the three-dimensional (3D) architecture of the ACN, 2D approaches are limited in providing a comprehensive impression of the characteristics of the normal ACN or the nature of its alterations. Stereological methods offer a quantitative way to assess the ACN in 3D in terms of capillary volume, surface area or number but lack a 3D visualization to interpret the data...
December 2, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27913422/factor-xi-deficiency-enhances-the-pulmonary-allergic-response-to-house-dust-mite-in-mice-independent-of-factor-xii
#4
Ingrid Stroo, Jack Yang, Johannes Daan de Boer, Joris J T H Roelofs, Cornelis van 't Veer, Francis J Castellino, Sacha Zeerleder, Tom van der Poll
Asthma is associated with activation of coagulation in the airways. The coagulation system can be initiated via the extrinsic tissue factor dependent pathway or via the intrinsic pathway, in which the central player factor XI (FXI) can be either activated via active factor XII (FXIIa) or via thrombin. We aimed to determine the role of the intrinsic coagulation system, and its possible route of activation, in allergic lung inflammation induced by the clinically relevant human allergen house dust mite (HDM). Wild-type (WT), FXI knockout (KO) and FXII KO mice were subjected to repeated exposure to HDM via the airways, and inflammatory responses were compared...
December 2, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27913050/congenital-high-airway-obstruction-syndrome-chaos-a-perinatal-autopsy-case-report
#5
Manasi Gosavi, Lalit Kumar, Ashwini Ratnakar, Hema Bannur
INTRODUCTION: Congenital High Airway Obstruction Syndrome (CHAOS) is a rare anomaly where a partial or complete obstruction of upper airway is seen. As a consequence, the foetus develops enlarged lungs, inverted or flattened diaphragm and ascites. The pathological findings in a case of CHAOS is presented. CASE REPORT: A 28-year-old primigravida presented with a history of 5 months of amenorrhoea. Ultrasonography revealed enlarged echogenic lungs, cardiac mid-position, inverted diaphragm, foetal ascites and talipes of left foot...
October 26, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27912893/-perioperative-therapies-in-surgical-non-n2%C3%A2-non-small-cell-lung-cancer
#6
REVIEW
Anne-Marie Ruppert, Armelle Lavolé, Jalal Assouad, Jacques Cadranel, Marie Wislez
Platinum-based perioperative chemotherapy is actually the standard of care in stage II-IIIa non-small cell lung cancer (NSCLC). A benefit may also be seen in stage IB NSCLC with tumors of more than 4cm of diameter. Perioperative chemotherapy improves 5-year survival of 4 to 15%. This benefit is mainly proved by postoperative chemotherapy trials. Nevertheless, preoperative chemotherapy has advantages: a better tolerance, an estimation of tumor chemosensibility, without an increased postoperative morbimortality...
November 29, 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/27912828/lung-cancer-biomarkers
#7
REVIEW
Pamela Villalobos, Ignacio I Wistuba
The molecular characterization of lung cancer has changed the classification and treatment of these tumors, becoming an essential component of pathologic diagnosis and oncologic therapy decisions. Through the recognition of novel biomarkers, such as epidermal growth factor receptor mutations and anaplastic lymphoma kinase translocations, it is possible to identify subsets of patients who benefit from targeted molecular therapies. The success of targeted anticancer therapies and new immunotherapy approaches has created a new paradigm of personalized therapy and has led to accelerated development of new drugs for lung cancer treatment...
February 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/27912076/activating-transcription-factor-3-is-essential-for-cigarette-smoke-induced-mucin-expression-via-interaction-with-activator-protein-1
#8
Yan-Ping Wu, Yin-Fang Wu, Chao Zhang, Hong-Bin Zhou, Chao Cao, Miao Li, Chen Zhu, Song-Min Ying, Zhi-Hua Chen, Hua-Hao Shen, Wen Li
Mucus hypersecretion is an important pathologic feature of chronic obstructive pulmonary disease. Activating transcription factor 3 (ATF3) is an adaptive-response gene that participates in various cellular processes. However, little is known about its role in cigarette smoke (CS)-induced mucus hyperproduction. This study aimed to investigate the role and molecular mechanisms of ATF3 in CS-induced Mucin 5AC (MUC5AC) expression. ATF3 was elevated in lung tissues of mice exposed to CS for 12 weeks. Treatment with CS extract significantly induced ATF3 expression and MUC5AC production in human bronchial epithelial cells, NCI-H292, and mouse tracheal epithelial cells...
November 29, 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27911098/siga-deficiency-in-individual-small-airways-is-associated-with-persistent-inflammation-and-remodeling
#9
Vasiliy V Polosukhin, Bradley W Richmond, Rui-Hong Du, Justin M Cates, Pingsheng Wu, Hui Nian, Pierre P Massion, Lorraine B Ware, Jae Woo Lee, Alexey V Kononov, William E Lawson, Timothy S Blackwell
RATIONALE: Maintenance of a surface immune barrier is important for homeostasis in organs with mucosal surfaces that interface with the external environment; however, the role of the mucosal immune system in chronic lung diseases is incompletely understood. OBJECTIVES: We examined the relationship between secretory immunoglobulin A (SIgA) on the mucosal surface of small airways and parameters of inflammation and airway wall remodeling in chronic obstructive pulmonary disease (COPD)...
December 2, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27910069/lkb1-as-a-tumor-suppressor-in-uterine-cancer-mouse-models-and-translational-studies
#10
Christopher G Peña, Diego H Castrillón
The LKB1 tumor suppressor was identified in 1998 as the gene mutated in the Peutz-Jeghers Syndrome (PJS), a hereditary cancer predisposition characterized by gastrointestinal polyposis and a high incidence of cancers, particularly carcinomas, at a variety of anatomic sites including the gastrointestinal tract, lung, and female reproductive tract. Women with PJS have a high incidence of carcinomas of the uterine corpus (endometrium) and cervix. The LKB1 gene is also somatically mutated in human cancers arising at these sites...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27909788/dedifferentiated-liposarcoma-of-the-lower-extremity-with-low-grade-dedifferentiation-and-low-grade-osteosarcomatous-component
#11
Anna K Zajicek, Julia A Bridge, Joshua W Akers, Sean V McGarry, Craig W Walker
Dedifferentiated liposarcoma can arise de novo or as a complication of a preexisting well-differentiated liposarcoma. We describe the radiologic and pathologic features of a long-standing liposarcoma with multiple recurrences in a 59-year-old male. Imaging demonstrated a heterogeneous fat-containing mass in the anterior thigh. The adjacent proximal femur showed irregular cortical new bone, eventually followed by intramedullary osteoblastic involvement and pathologic fracture. Histologic assessment at resection revealed dedifferentiated liposarcoma with low-grade osteosarcomatous component...
December 1, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27909618/clinico-pathological-outcomes-of-post-primary-and-salvage-chemotherapy-retroperitoneal-lymph-node-dissection-for-mixed-germ-cell-tumors-king-hussein-cancer-center-experience
#12
Kholoud Alqasem, Ibrahim Abukhiran, Judy Jasser, Tamer Bisharat, Riyad T Ellati, Jakub Khzouz, Ibrahim Al-Saidi, Ali Al-Daghamin
OBJECTIVE: We sought to characterize clinical and pathologic outcomes of advanced mixed germ cell tumors after retroperitoneal lymph node dissection for post-chemotherapy residual masses. MATERIAL AND METHODS: Between January 2006 and November 2015, 56 patients underwent retroperitoneal lymph node dissection (RPLND) for residual masses of greater than 1 cm after receiving either primary chemotherapy or salvage chemotherapy. Retrospective review of the patients' characteristics, clinical, pathological, and treatment outcomes were performed after institutional review board (IRB) and ethics committee approval...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27909285/-multiple-pulmonary-sclerosing-pneumocytoma-with-abnormal-accumulation-of-fluorodeoxyglucose-positron-emission-tomography-diagnosed-by-surgical-treatment-report-of-a-case
#13
Kantaro Hara, Nobuhiro Izumi, Takuma Tsukioka, Hiroaki Komatsu, Satoshi Okada, Michihito Toda, Ryuichi Ito, Toshihiko Shibata, Noritoshi Nishiyama
A 36-year-old Chinese woman was referred to our hospital for further examination of an abnormal shadow on chest X-ray. Chest computed tomography(CT) revealed a 5 mm circular nodule in diameter in right lung S3 and a 32 mm mass in diameter in right lung S7. The S7 mass showed an abnormal accumulation of SUVmax=4.0 on positron emission tomography( PET)-CT. Transbronchial biopsy was performed, but failed to rule out possible malignancy. Differential diagnoses were multiple lung benign tumor, multiple lung metastases from unknown primary cancer, malignant lymphoma or primary lung cancer, and so on...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27905295/desensitization-of-idiopathic-pulmonary-fibrosis-fibroblasts-to-alternaria-alternata-extract-mediated-necrotic-cell-death
#14
Jintaek Im, Kyutae Kim, Ji Young Yhee, Scott M O'Grady, Richard S Nho
Alternaria alternata is an allergenic fungus and known to cause an upper respiratory tract infection and asthma in humans with compromised immunity. Although A. alternata's effect on airway epithelial cells has previously been examined, the potential role of A. alternata on lung fibroblast viability is not understood. Since lung fibroblasts derived from patients with idiopathic pulmonary fibrosis (IPF) display a distinct phenotype that is resistant to stress and cell death inducing conditions, the investigation of the role of Alternaria on pathological IPF fibroblasts provides a better understanding of the fibrotic process induced by an allergenic fungus...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27903834/saliva-diagnostics-current-views-and-directions
#15
Karolina Elżbieta Kaczor-Urbanowicz, Carmen Martin Carreras-Presas, Katri Aro, Michael Tu, Franklin Garcia-Godoy, David Tw Wong
In this review, we provide an update on the current and future applications of saliva for diagnostic purposes. There are many advantages of using saliva as a biofluid. Its collection is fast, easy, inexpensive, and non-invasive. In addition, saliva, as a "mirror of the body," can reflect the physiological and pathological state of the body. Therefore, it serves as a diagnostic and monitoring tool in many fields of science such as medicine, dentistry, and pharmacotherapy. Introduced in 2008, the term "Salivaomics" aimed to highlight the rapid development of knowledge about various "omics" constituents of saliva, including: proteome, transcriptome, micro-RNA, metabolome, and microbiome...
November 29, 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27903670/oxygen-the-lung-and-the-diver-friends-and-foes
#16
Pieter-Jan A M van Ooij, Peter J Sterk, Robert A van Hulst
Worldwide, the number of professional and sports divers is increasing. Most of them breathe diving gases with a raised partial pressure of oxygen (PO2 ). However, if the PO2 is between 50 and 300 kPa (375-2250 mmHg) (hyperoxia), pathological pulmonary changes can develop, known as pulmonary oxygen toxicity (POT). Although in its acute phase, POT is reversible, it can ultimately lead to non-reversible pathological changes. Therefore, it is important to monitor these divers to prevent them from sustaining irreversible lesions...
December 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27903658/prognostic-considerations-of-the-new-world-health-organization-classification-of-lung-adenocarcinoma
#17
REVIEW
Alain C Borczuk
The 2015 World Health Organization (WHO) lung adenocarcinoma classification divides tumours into categories of indolent pre-invasive, minimally invasive and predominantly lepidic and, by examining predominant patterns of invasion, allows for further stratification into intermediate and high-grade tumours. The impact of the 2015 classification on prognosis was reviewed by a PubMed search for search terms "adenocarcinoma", "lung pathology" and "prognosis" and relevant publications reviewed. These were sorted for data on stage and survival as impacted by histological classification, and survival studies were separated into all stage versus stage 1 studies...
December 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27903462/radiomic-based-pathological-response-prediction-from-primary-tumors-and-lymph-nodes-in-nsclc
#18
Thibaud P Coroller, Vishesh Agrawal, Elizabeth Huynh, Vivek Narayan, Stephanie W Lee, Raymond H Mak, Hugo J W L Aerts
INTRODUCTION: Non-invasive biomarkers that capture the total tumor burden could provide important complementary information for precision medicine to aid clinical decision-making. We investigated the value of radiomic data, extracted from pre-treatment computed tomography (CT) images of the primary tumor and lymph nodes, in predicting pathological response following neoadjuvant chemoradiation prior to surgery. METHODS: Eighty-five patients with resectable locally-advanced (stage II-III) non-small cell lung cancer (NSCLC) (median age: 60...
November 26, 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27903248/long-term-clinical-course-of-anti-glycyl-trna-synthetase-anti-ej-antibody-related-interstitial-lung-disease-pathologically-proven-by-surgical-lung-biopsy
#19
Hajime Sasano, Eri Hagiwara, Hideya Kitamura, Yasunori Enomoto, Norikazu Matsuo, Tomohisa Baba, Shinichiro Iso, Koji Okudela, Tae Iwasawa, Shinji Sato, Yasuo Suzuki, Tamiko Takemura, Takashi Ogura
BACKGROUND: Anti-glycyl-tRNA synthetase (anti-EJ) antibody is occasionally positive in patients with interstitial lung disease (ILD). We aimed to define the clinical, radiological and pathological features of patients with anti-EJ antibody-positive ILD (EJ-ILD). METHODS: We retrospectively analyzed the medical records of 12 consecutive patients with EJ-ILD who underwent surgical lung biopsy. RESULTS: The median follow-up time was 74 months (range, 17-115 months)...
December 1, 2016: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/27902972/unravelling-site-specific-breast-cancer-metastasis-a-microrna-expression-profiling-study
#20
Willemijne A M E Schrijver, Paul J van Diest, Dutch Distant Breast Cancer Metastases Consortium, Cathy B Moelans
Distant metastasis is still the main cause of death from breast cancer. MicroRNAs (miRs) are important regulators of many physiological and pathological processes, including metastasis. Molecular breast cancer subtypes are known to show a site-specific pattern of metastases formation. In this study, we set out to determine the underlying molecular mechanisms of site-specific breast cancer metastasis by microRNA expression profiling.To identify a miR signature for metastatic breast carcinoma that could predict metastatic localization, we compared global miR expression in 23 primary breast cancer specimens with their corresponding multiple distant metastases to ovary (n=9), skin (n=12), lung (n=10), brain (n=4) and gastrointestinal tract (n=10) by miRCURY microRNA expression arrays...
November 25, 2016: Oncotarget
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