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https://www.readbyqxmd.com/read/28225341/patterns-of-drug-resistance-among-patients-with-tuberculous-pleural-effusion-in-greece
#1
V Anastasakos, V Skouras, C Moschos, S Tsikrika, S Karabela, I Marinou, E Vogiatzakis, K Konstantinou, A Papavasiliou, I Kalomenidis
SETTING: Data on the relationship between pleural tuberculosis (TB) and anti-tuberculosis drug resistance are scarce. OBJECTIVE: To determine the patterns of drug resistance among pleural Mycobacterium tuberculosis isolates in Greece and the incidence of tuberculous pleural effusion (TPE) among patients with multidrug-resistant (MDR) or extensively drug-resistant (XDR) pulmonary TB. DESIGN: Drug susceptibility testing (DST) results recorded in the database of the National Reference Centre for Tuberculosis in Athens, Greece, over a 9-year period (2003-2011) were reviewed...
March 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28224252/heat-shock-protein-70-in-lung-and-kidney-of-specific-pathogen-free-chickens-is-a-receptor-associated-protein-that-interacts-with-the-binding-domain-of-the-spike-protein-of-infectious-bronchitis-virus
#2
ZhiKun Zhang, Xin Yang, PengWei Xu, Xuan Wu, Long Zhou, HongNing Wang
Avian infectious bronchitis virus (IBV) is a member of the family Coronaviridae. A binding domain that mediates the attachment of the virus to its receptor has been identified in the S1 protein of prototype IBV strain M41. In this study, we identified this binding domain in a different strain, as well as the cellular proteins that interact with it. First, we expressed the S1N proteins (residues 19-270) of M41 and another isolate, SCZJ3, and compared the binding capacities of recombinant S1N-M41 and S1N-SCZJ3 to host tissues...
February 21, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28224031/first-report-of-tasmanian-sheep-strain-g2-genotype-isolated-from-iranian-goat-using-the-high-resolution-melting-hrm-analysis
#3
Ahmad Hosseini-Safa, Mohammad Ali Mohag Hegh, Nader Pestechian, Maryam Ganji, Rasoul Mohammadi, Reza Mahmoudi Lamouki, Mohammad Rostami-Nejad
AIM: The present study was aimed to evaluate E. granulosus genotypes isolated from goats using HRM analysis in Isfahan province. BACKGROUND: Cystic echincoccosis, so-called hydatidosis, is widespread infection caused by the larval stage of Echinococcus granulosus. This is an important zoonotic disease worldwide, especially in the developing countries such as Iran. To date, molecular studies mainly based on the mitochondrial DNA sequences have identified distinct genotypes termed G1-G10 which can differ in some characteristics such as the growth and infectivity to different intermediate hosts or the survival rate in the definitive hosts that are important for the development of control strategies...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28223817/emergency-thoracic-ultrasound-and-clinical-risk-management
#4
Maria Concetta Interrigi, Francesca M Trovato, Daniela Catalano, Guglielmo M Trovato
PURPOSE: Thoracic ultrasound (TUS) has been proposed as an easy-option replacement for chest X-ray (CXR) in emergency diagnosis of pneumonia, pleural effusion, and pneumothorax. We investigated CXR unforeseen diagnosis, subsequently investigated by TUS, considering its usefulness in clinical risk assessment and management and also assessing the sustainability of telementoring. PATIENTS AND METHODS: This observational report includes a period of 6 months with proactive concurrent adjunctive TUS diagnosis telementoring, which was done using freely available smartphone applications for transfer of images and movies...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28223388/in-vitro-and-in-vivo-antifungal-profile-of-a-novel-and-long-acting-inhaled-azole-pc945-on-aspergillus-fumigatus-infection
#5
Thomas Colley, Alexandre Alanio, Steven L Kelly, Gurpreet Sehra, Yasuo Kizawa, Andrew G S Warrilow, Josie E Parker, Diane E Kelly, Genki Kimura, Lauren Anderson-Dring, Takahiro Nakaoki, Mihiro Sunose, Stuart Onions, Damien Crepin, Franz Lagasse, Matthew Crittall, Jonathan Shannon, Michael Cooke, Stéphane Bretagne, John King-Underwood, John Murray, Kazuhiro Ito, Pete Strong, Garth Rapeport
The profile of PC945, a novel triazole antifungal, designed for administration via inhalation, has been assessed in a range of in vitro and in vivo studies. PC945 was characterized as a potent, tight-binding inhibitor of Aspergillus fumigatus sterol 14α-demethylase (CYP51A and CYP51B) activity (IC50, 0.23 μM and 0.22 μM, respectively), with characteristic type II azole binding spectra. Against 96 clinically isolated A. fumigatus strains, the MIC values of PC945 ranged from 0.032∼>8 μg/ml, whilst those of voriconazole ranged from 0...
February 21, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28223377/exopolysaccharide-repressing-small-molecules-with-antibiofilm-and-antivirulence-activity-against-pseudomonas-aeruginosa
#6
Erik van Tilburg Bernardes, Laetitia Charron-Mazenod, David J Reading, Shauna L Reckseidler-Zenteno, Shawn Lewenza
Biofilm formation is a universal virulence strategy in which bacteria grow in dense microbial communities enmeshed within a polymeric extracellular matrix that protects them from antibiotic exposure and the immune system. Pseudomonas aeruginosa is an archetypal biofilm-forming organism that utilizes a biofilm growth strategy to cause chronic lung infections in Cystic Fibrosis (CF) patients. The extracellular matrix of P. aeruginosa biofilms is comprised mainly of exopolysaccharides (EPS) and DNA. Both mucoid and non-mucoid isolates of P...
February 21, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28223119/neferine-augments-therapeutic-efficacy-of-cisplatin-through-ros-mediated-non-canonical-autophagy-in-human-lung-adenocarcinoma-a549%C3%A2-cells
#7
Sivalingam Kalai Selvi, Amirthalingam Vinoth, Thiyagarajan Varadharajan, Ching Feng Weng, Viswanadha Vijaya Padma
Combination of dietary components with chemotherapy drugs is an emerging new strategy for cancer therapy to increase antitumor responses. Neferine, major bisbenzylisoquinoline alkaloid isolated from the seed embryo of Nelumbo nucifera (Lotus). In the present study, we investigated the efficacy of the combinatorial regimen of neferine and cisplatin compared to cisplatin high dose in human lung adenocarcinoma (A549) cells. Co-treatment with neferine enhanced cisplatin-induced autophagy in A549 cells was accompanied by Acidic vesicular accumulation (AVO), enhanced generation of reactive oxygen species (ROS) and depletion of intracellular glutathione (GSH), down regulation of PI3K/AKT/mTOR pathway, conversion of LC3B-I to LC3B-II...
February 18, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28223072/surgical-treatment-of-lung-cancer-with-synchronous-adrenal-metastases-adrenalectomy-first
#8
Fernando Pardo Aranda, Itziar Larrañaga Blanc, Joaquín Rivero Déniz, Juan Carlos Trujillo, Arantxa Rada Palomino, Esteban García-Olivares, Ramón Rami Porta, Enrique Veloso Veloso
INTRODUCTION: The aim of this study is to present our patients with lung cancer and synchronous adrenal metastases treated with a reversal approach: starting with adrenalectomy and doing the lung resection second. METHODS: A total of 108 laparoscopic adrenalectomies were performed, and we analyze a consecutive serie of 10 patients with isolated adrenal synchronous metastases from the lung, surgically treated in a sequential way. All patients underwent staging mediastinoscopy, and patients with positive lymph nodes were primary treated with chemotherapy...
February 18, 2017: Cirugía Española
https://www.readbyqxmd.com/read/28222613/phytochemical-investigations-and-antiproliferative-secondary-metabolites-from-thymus-alternans-growing-in-slovakia
#9
Stefano Dall'Acqua, Gregorio Peron, Sara Ferrari, Valentina Gandin, Massimo Bramucci, Luana Quassinti, Pavol Mártonfi, Filippo Maggi
CONTEXT: Thymus alternans Klokov (Lamiaceae) is a neglected species of the genus Thymus (Sect. Serpyllum) endemic to Carpathian area, where it is used as a flavouring agent and for medicinal purposes. OBJECTIVE: The aim of the work was to identify antiproliferative constituents from the flowering aerial parts of this plant. MATERIALS AND METHODS: Thymus alternans extracts were analyzed by HPLC-MS(n) and subjected to extensive chromatographic separations...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28221128/epidemiology-of-nontuberculous-mycobacterial-lung-disease-and-tuberculosis-hawaii-usa
#10
Jennifer Adjemian, Timothy B Frankland, Yihe G Daida, Jennifer R Honda, Kenneth N Olivier, Adrian Zelazny, Stacey Honda, D Rebecca Prevots
Previous studies found Hawaiians and Asian-Americans/Pacific Islanders to be independently at increased risk for nontuberculous mycobacterial pulmonary disease (NTMPD) and tuberculosis (TB). To better understand NTM infection and TB risk patterns in Hawaii, USA, we evaluated data on a cohort of patients in Hawaii for 2005-2013. Period prevalence of NTMPD was highest among Japanese, Chinese, and Vietnamese patients (>300/100,000 persons) and lowest among Native Hawaiians and Other Pacific Islanders (50/100,000)...
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28219569/intrabronchial-pneumonectomy-for-vanishing%C3%A2-lung-syndrome-first-reported-case
#11
Nicholas Ballay, Brent Soder, Jeremiah Smith, Ashley Miller, James R Headrick
Vanishing lung syndrome is a clinical presentation of giant bullous emphysema associated with significant morbidity and mortality. We present a case of a 50-year-old white woman with vanishing lung syndrome who presented with a spontaneous secondary pneumothorax and an uncontrolled bronchopleural fistula. The large bronchopleural fistula was initially controlled with a double-lumen endotracheal tube and a tube thoracostomy. After surgical efforts failed, complete left lung isolation was performed with multiple intrabronchial valves...
March 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28219421/regulation-of-voltage-gated-potassium-channels-attenuates-resistance-of-side-population-cells-to-gefitinib-in-the-human-lung-cancer-cell-line-nci-h460
#12
Seon Young Choi, Hang-Rae Kim, Pan Dong Ryu, So Yeong Lee
BACKGROUND: Side-population (SP) cells that exclude anti-cancer drugs have been found in various tumor cell lines. Moreover, SP cells have a higher proliferative potential and drug resistance than main population cells (Non-SP cells). Also, several ion channels are responsible for the drug resistance and proliferation of SP cells in cancer. METHODS: To confirm the expression and function of voltage-gated potassium (Kv) channels of SP cells, these cells, as well as highly expressed ATP-binding cassette (ABC) transporters and stemness genes, were isolated from a gefitinib-resistant human lung adenocarcinoma cell line (NCI-H460), using Hoechst 33342 efflux...
February 21, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28219158/-experimental-observation-on-the-histopathological-and-ultrastructural-pathology-of-great-gerbils-rhombomys-opimus-in-the-junggar-basin-by-subcutaneous-injecting-of-yersinia-pestis
#13
B Li, Rehemu Azhati, W W Meng, T Luo, B Li, Maituohuti Abulimiti, X H Wang, X Dai, Y J Zhang
Objective: To understand the histopathological and ultrastructural pathology changes of great gerbils in the Junggar Basin to Yersinia pestis infection. Methods: Forty captured great gerbils from the Junggar Basin that tested negative for anti-F1 antibodies were infected. The Y. pestis strain 2504, isolated from a live great gerbil in the natural plague foci of the Junggar Basin in 2005 with a median lethal dose (LD(50)) of <10 CFU/ml, was used in this study. Forty great gerbils were divided into seven infection groups and were subcutaneously infected with 7...
February 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28219077/radiopathological-features-and-identification-of-mycobacterial-infections-in-granulomatous-nodules-resected-from-the-lung
#14
Yumi Sakakibara, Yoshimi Suzuki, Toshihide Fujie, Takumi Akashi, Tadatsune Iida, Yasunari Miyazaki, Yoshinobu Eishi, Naohiko Inase
BACKGROUND: Pulmonary granulomas are sometimes resected because they resemble lung cancer and false-positive findings come through from positron emission tomography (PET) using 18fluorine-fluorodeoxyglucose (18F-FDG). Mycobacterial infection is a common cause of granulomas. OBJECTIVE: The purpose of this study was to evaluate the radiopathological features and the methods for identifying mycobacterial infections in granulomatous nodules resected from the lung. METHODS: Thirty-five solitary lesions resected because of suspected lung cancer were enrolled, including 22 nonfungal granulomatous lesions and 13 benign lesions as controls...
February 21, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28218740/maresin1-stimulates-alveolar-fluid-clearance-through-the-alveolar-epithelial-sodium-channel-na-k-atpase-via-the-alx-pi3k-nedd4-2-pathway
#15
Jun-Li Zhang, Xiao-Jun Zhuo, Jing Lin, Ling-Chun Luo, Wei-Yang Ying, Xiang Xie, Hua-Wei Zhang, Jing-Xiang Yang, Dan Li, Fang Gao Smith, Sheng-Wei Jin
Maresin1 (MaR1) is a new docosahexaenoic acid-derived pro-resolving agent that promotes the resolution of inflammation. In this study, we sought to investigate the effect and underlining mechanisms of MaR1 in modulating alveolar fluid clearance (AFC) on LPS-induced acute lung injury. MaR1 was injected intravenously or administered by instillation (200 ng/kg) 8 h after LPS (14 mg/kg) administration and AFC was measured in live rats. In primary rat alveolar type II epithelial cells, MaR1 (100 nM) was added to the culture medium with lipopolysaccharide for 6 h...
February 20, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28217612/isolated-pulmonary-hydatid-cyst-misinterpreted-as-metastatic-pulmonary-lesion-in-an-operated-case-of-carcinoma-breast-in-young-female
#16
Ravish Kshatriya, Dhaval Prajapati, Nimit Khara, Rajiv Paliwal, Satish Patel
Hydatidosis is caused by Echinococcus granulosus. Humans may be infected incidentally as intermediate host by the accidental consumption of soil, water, or food contaminated by fecal matter of an infected animal. Hydatidosis is one of the most symptomatic parasitic infections in various livestock - raising countries. Lung is the second most commonly affected organ following the liver. The symptoms depend on the size and site of the lesion. It can present as an asymptomatic pulmonary lesion to hemoptysis, chest pain, coughing anaphylaxis, and shock...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28217366/crizotinib-inhibits-hyperpolarization-activated-cyclic-nucleotide-gated-channel-4-activity
#17
Zhushan Zhang, Tai-Qin Huang, Igor Nepliouev, Hengtao Zhang, Adam S Barnett, Paul B Rosenberg, Sai-Hong I Ou, Jonathan A Stiber
BACKGROUND: Sinus bradycardia is frequently observed in patients treated with crizotinib, a receptor tyrosine kinase inhibitor used for the treatment of anaplastic lymphoma kinase (ALK)-rearranged non-small cell lung cancer (NSCLC). We investigated whether crizotinib could influence heart rate (HR) through direct cardiac effects. METHODS: The direct effect of crizotinib on HR was studied using ECG analysis of Langendorff-perfused mouse hearts. The whole-cell patch clamp technique was used to measure the effects of crizotinib on the hyperpolarization-activated funny current, If, in mouse sinoatrial node cells (SANCs) and hyperpolarization-activated cyclic nucleotide-gated channel 4 (HCN4) activity in HEK-293 cells stably expressing human HCN4...
2017: Cardiooncology
https://www.readbyqxmd.com/read/28215872/detection-of-specific-antibodies-in-cats-infected-with-the-lung-nematode-aelurostrongylus-abstrusus
#18
Eva-Maria Zottler, Christina Strube, Manuela Schnyder
Feline aelurostrongylosis, caused by the metastrongylid nematode Aelurostrongylus abstrusus, is an underestimated respiratory parasitosis. Its diagnosis currently mainly relies on the isolation of first stage larvae from fresh faecal samples. The aim of our study was to develop a serological test for the detection of specific antibodies against A. abstrusus by ELISA. We used recombinant major sperm protein (MSP) of the bovine lungworm Dictyocaulus viviparus as detection antigen and evaluated two different ELISA plates (Maxisorp and Immobilizer™ Amino-plate, Nunc Roskilde, Denmark) with two different enzyme systems [alkaline phosphatase (AP) and horseradish peroxidase (HRP)]...
February 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28214344/neferine-potentiates-the-antitumor-effect-of-cisplatin-in-human-lung-adenocarcinoma-cells-via-a-mitochondria-mediated-apoptosis-pathway
#19
Kalai Selvi Sivalingam, Poornima Paramasivan, Ching Feng Weng, Viswanadha Vijaya Padma
Cisplatin is one of the most potent chemotherapeutic agents for the treatment of many types of solid tumors but its efficacy is often limited by the development of resistance and dose limiting toxicity. Neferine is an alkaloid isolated from seed embryo of Nelumbo nucifera, it has recently been shown to have anticancer effects in various human cancer cell lines. The present investigation is designed to study the chemosensitizing ability of neferine with cisplatin in A549 cells. Neferine potentiates the cisplatin induced apoptosis through the exploration of characteristic apoptotic morphological changes, induced sub-G0/G1 cell cycle arrest, ROS hypergeneration, significant loss of cellular antioxidant enzymes as well as loss of mitochondrial membrane potential (ΔΨM)...
February 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28213624/oligometastatic-colorectal-cancer-is-single-site-bony-colorectal-metastasis-a-treatable-condition
#20
Noel Cassar, Adrian Ben Cresswell, Brendan Moran
INTRODUCTION: A potentially resectable bony metastasis in the context of oligometastatic colorectal cancer is uncommon. Bony metastases are usually considered a late event with poor prognosis and generally associated with liver and/or lung metastases. INDEX CASE: A previously healthy 33-year-old gentleman, with no family history of colorectal cancer, presented with rectal bleeding and at colonoscopy had a biopsy-proven adenocarcinoma of the rectum, 7 cm from the anal verge...
February 17, 2017: International Journal of Colorectal Disease
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