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https://www.readbyqxmd.com/read/28088585/nocardiosis-in-south-of-france-during-the-last-ten-years
#1
Delphine Haussaire, Pierre-Edouard Fournier, Karamoko Djiguiba, Valerie Moal, Tristan Legris, Rajsingh Purgus, Jeremy Bismuth, Xavier Elharrar, Martine Reynaud-Gaubert, Henri Vacher-Coponat
BACKGROUND: Nocardiosis is a rare disease with polymorphic presentations. Epidemiology and clinical presentation could change with the increasing number of immunocompromised patients. METHODS: Medical records and microbiologic data for patients affected by nocardiosis and treated in the university hospital of Marseille between 2004 and 2014 were retrospectively analyzed. RESULTS: We analyzed 34 patients infected by Nocardia spp during this period...
January 11, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28077517/two-phase-hospital-associated-outbreak-of-mycobacterium-abscessus-investigation-and-mitigation
#2
Arthur W Baker, Sarah S Lewis, Barbara D Alexander, Luke F Chen, Richard J Wallace, Barbara A Brown-Elliott, Pamela J Isaacs, Lisa C Pickett, Chetan B Patel, Peter K Smith, John M Reynolds, Jill Engel, Cameron R Wolfe, Carmelo A Milano, Jacob N Schroder, Robert D Davis, Matthew G Hartwig, Jason E Stout, Nancy Strittholt, Eileen K Maziarz, Jennifer Horan Saullo, Kevin C Hazen, Richard J Walczak, Ravikiran Vasireddy, Sruthi Vasireddy, Celeste M McKnight, Deverick J Anderson, Daniel J Sexton
BACKGROUND: Nontuberculous mycobacteria (NTM) commonly colonize municipal water and cause healthcare-associated outbreaks. We investigated a biphasic outbreak of Mycobacterium abscessus at a tertiary care hospital. METHODS: Case patients had recent hospital exposure and laboratory-confirmed colonization or infection with M. abscessus from January 2013 through December 2015. We conducted a multidisciplinary epidemiologic, field, and laboratory investigation. RESULTS: The incidence rate of M...
January 11, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28073593/integrative-cardiopulmonary-ultrasound-for-interstitial-lung-disease-assessment-correlation-between-lung-ultrasound-performance-and-cardiac-involvement
#3
Wei-Wei Zhu, Yi-Dan Li, Hong Li, Xiu-Zhang Lu, Ling-Yun Kong, Xiao-Guang Ye, Qi-Zhe Cai, Lan-Lan Sun, Wei Jiang, Li Wang
The aims of this study were to apply integrative cardiopulmonary ultrasound (thoracic ultrasound) to the evaluation of patients with interstitial lung disease (ILD) and to determine the relationship between lung ultrasound signs and echocardiographic parameters such as systolic pulmonary artery pressure (SPAP) and various right ventricular parameters. ILD patients and healthy controls underwent lung ultrasound (LUS) and echocardiographic tests. In addition to traditional echocardiographic parameters, right ventricular free wall longitudinal strain (RVLS_FW) was measured using 2-D speckle-tracking echocardiography...
January 7, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28068894/strain-differences-in-a-murine-model-of-air-pollutant-induced-nonatopic-asthma-and-rhinitis
#4
Jack R Harkema, Lucas A Hotchkiss, Nicholas A Vetter, Daven N Jackson-Humbles, Ryan P Lewandowski, James G Wagner
Ozone is an irritating gas found in photochemical smog. Epidemiological associations have been made between the onset of asthma and childhood exposures to increasing levels of ambient ozone (i.e., air pollutant-induced nonatopic asthma). Individuals, however, vary in their susceptibility to this outdoor air pollutant, which may be due, in part, to their genetic makeup. The present study was designed to test the hypothesis that there are murine strain-dependent differences in pulmonary and nasal pathologic responses to repeated ozone exposures...
January 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28066612/elevated-hotair-expression-associated-with-cisplatin-resistance-in-non-small-cell-lung-cancer-patients
#5
Ming-Yue Liu, Xi-Qing Li, Tian-Hui Gao, Yao Cui, Ning Ma, Yun Zhou, Guo-Jun Zhang
BACKGROUND: This study investigated the mechanism of drug resistance in non-small cell lung cancer (NSCLC) patients. We specifically studied whether long noncoding RNAs influence drug resistance in NSCLC to discover new therapeutic targets to increase the survival rate of drug-resistant NSCLC patients. METHODS: Tissue samples were collected from NSCLC patients, and total RNA was isolated for assessment of HOTAIR expression and drug resistance status. MTT assays, tumor sphere formation assays, and western blot were performed to cytologically determine the relationship between HOTAIR expression and cisplatin resistance, as well as to elucidate the potential molecular mechanism involved...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28066100/oropharyngeal-aspiration-of-bleomycin-an-alternative-experimental-model-of-pulmonary-fibrosis-developed-in-swiss-mice
#6
Swarna Bale, Manoj Sunkoju, Shiva Shankar Reddy, Veerabhadra Swamy, Chandraiah Godugu
OBJECTIVE: Pulmonary fibrosis (PF) is a progressive and predominantly lethal form of several interstitial lung diseases with limited current therapeutics; it is, therefore, essential to develop a simple, homogeneous, and noninvasive disease model to investigate possible anti-fibrotic approaches. The present study is designed to develop oropharyngeal aspiration (OPA) model of bleomycin (BLM)-induced PF as a simple and alternative to intratracheal (IT) administration of BLM in Swiss mice strain...
November 2016: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/28065474/a-single-low-dose-of-a-cgmp-recombinant-bcg-vaccine-elicits-protective-t-cell-immunity-against-the-human-respiratory-syncytial-virus-infection-and-prevents-lung-pathology-in-mice
#7
Pablo F Céspedes, Emma Rey-Jurado, Janyra A Espinoza, Claudia A Rivera, Gisela Canedo-Marroquín, Susan M Bueno, Alexis M Kalergis
Human respiratory syncytial virus (hRSV) is a major health burden worldwide, causing the majority of hospitalizations in children under two years old due to bronchiolitis and pneumonia. HRSV causes year-to-year outbreaks of disease, which also affects the elderly and immunocompromised adults. Furthermore, both hRSV morbidity and epidemics are explained by a consistently high rate of re-infections that take place throughout the patient life. Although significant efforts have been invested worldwide, currently there are no licensed vaccines to prevent hRSV infection...
January 5, 2017: Vaccine
https://www.readbyqxmd.com/read/28063154/pharmacological-indices-and-pulmonary-distribution-of-rifampicin-after-repeated-oral-administration-in-healthy-foals
#8
S Berlin, A Kirschbaum, L Spieckermann, S Oswald, M Keiser, M Grube, M Venner, W Siegmund
BACKGROUND: The treatment of equine lung infections by R. equi with rifampicin is empirically based because pharmacokinetic/pharmacodynamic (PK/PD) indices and pivotal clinical outcome data are not available. OBJECTIVES: Evaluation of pharmacokinetics and pulmonary distribution into epithelial lining fluid (ELF) and bronchoalveolar lavage cells (BALC) to predict antimicrobial activity in the lung using PK/PD-indices. STUDY DESIGN: Controlled, randomised, two-period, crossover, repeated-dose study with an initial arm to measure disposition after intravenous administration...
January 7, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28061786/attenuated-actinobacillus-pleuropneumoniae-double-deletion-mutant-s-8%C3%A2-clpp-apxiic-confers-protection-against-homologous-or-heterologous-strain-challenge
#9
Fang Xie, Gang Li, Long Zhou, Yanhe Zhang, Ning Cui, Siguo Liu, Chunlai Wang
BACKGROUND: Actinobacillus pleuropneumoniae is the etiological agent of porcine pleuropneumonia, which leads to large economic losses to the swine industry worldwide. In this study, S-8△clpP△apxIIC, a double-deletion mutant of A. pleuropneumoniae was constructed, and its safety and protective efficacy were evaluated in pigs. RESULTS: The S-8△clpP△apxIIC mutant exhibited attenuated virulence in a murine (BALB/c) model, and caused no detrimental effects on pigs even at a dose of up to 1...
January 6, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28060951/hiv-infects-bronchial-epithelium-and-suppresses-components-of-the-mucociliary-clearance-apparatus
#10
S Chinnapaiyan, T Parira, R Dutta, M Agudelo, A Morris, M Nair, H J Unwalla
Recurrent lung infections and pneumonia are emerging as significant comorbidities in the HIV-infected population in the era of combination antiretroviral therapy (cART). HIV infection has been reported to suppress nasal mucociliary clearance (MCC). Since the primary components driving nasal MCC and bronchial MCC are identical, it is possible that bronchial MCC is affected as well. Effective MCC requires optimal ciliary beating which depends on the maintenance of the airway surface liquid (ASL), a function of cystic fibrosis transmembrane conductance regulator (CFTR) activity and the integrity of the signaling mechanism that regulates ciliary beating and fluid secretion...
2017: PloS One
https://www.readbyqxmd.com/read/28059611/molecular-characterization-of-pneumococcal-surface-protein-k-a-potential-pneumococcal-vaccine-antigen
#11
A-Yeung Jang, Ho Seong Seo, Shunmei Lim, Gook-Hyun Chung, Han Wool Kim, Sangyong Lim, Lei Zhao, In-Ho Park, Jae Hyang Lim, Kyung-Hyo Kim
The pneumococcal capsule is indispensable for pathogenesis in systemic infections; however, many pneumococcal diseases, including conjunctivitis, otitis media, and some systemic infections in immunocompromised patients, are caused by nonencapsulated Streptococcus pneumoniae (NESp). Null capsule clade 1 (NCC1), found in group 2 NESp, expresses pneumococcal surface protein K (PspK) and is becoming prevalent among pneumococcal organisms owing to the widespread use of pneumococcal conjugate vaccines. Despite its clinical importance, the molecular mechanisms underlying the prevalence of NCC1 have not been fully elucidated...
January 6, 2017: Virulence
https://www.readbyqxmd.com/read/28058568/assessment-of-the-antimicrobial-antioxidant-and-cytotoxic-activities-of-the-wild-edible-mushroom-agaricus-lanipes-f-h-m%C3%A3-ller-jul-sch%C3%A3-ff-hlav%C3%A3-%C3%A4-ek
#12
Oğuzhan Kaygusuz, Meruyert Kaygusuz, Yavuz Dodurga, Mücahit Seçme, Emine Nur Herken, Kutret Gezer
The present investigation was undertaken to evaluate the antimicrobial and antioxidant activities of the wild edible mushroom Agaricus lanipes, and also to investigate its cytotoxicity and potential and possible apoptotic effect against the A549 lung cancer cell line in in vitro conditions. Total antioxidant capacity, total phenolic content, total oxidant status, total antioxidant status, lipid hydroperoxides, and total free -SH levels of A. lanipes were found to be 4.55 mg T/g, 14.6 mg GA equivalent/g, 3...
January 5, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28057059/invasive-pneumococcal-disease-caused-by-mucoid-serotype-3-streptococcus-pneumoniae-a-case-report-and-literature-review
#13
Naomi Sugimoto, Yuka Yamagishi, Jun Hirai, Daisuke Sakanashi, Hiroyuki Suematsu, Naoya Nishiyama, Yusuke Koizumi, Hiroshige Mikamo
BACKGROUND: Among the different serotypes of Streptococcus pneumoniae, serotype 3 has received global attention. We report the fatal case of a 76-year-old Japanese man who had an invasive pneumococcal disease associated with pneumonia caused by serotype 3 S. pneumoniae. CASE PRESENTATION: The patient had a history of hypertension, laryngeal cancer, chronic obstructive pulmonary disease, and type 2 diabetes mellitus. Following a cerebral arteriovenous malformation hemorrhage, he underwent surgery to remove the hematoma and began rehabilitation...
January 4, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28056965/phylogenetic-characterization-of-genes-encoding-for-viral-envelope-glycoprotein-orf5-and-nucleocapsid-protein-orf7-of-porcine-reproductive-respiratory-syndrome-virus-found-in-malaysia-in-2013-and-2014
#14
Seetha Jaganathan King, Peck Toung Ooi, Lai Yee Phang, Zeenathul Nazariah Binti Allaudin, Wei Hoong Loh, Chiou Yan Tee, Shiao Pau How, Lai Siong Yip, Pow Yoon Choo, Ban Keong Lim
BACKGROUND: Porcine reproductive and respiratory syndrome (PRRS) is one of the most expensive diseases of modern swine production & results in annual economic losses and cost the industry over 600 million USD in U.S. alone and billions of dollars worldwide. Two atypical PRRS cases were observed in 2013 and 2014 characterized by late-term abortion, fever and sudden increase in sow mortality which persisted for a prolonged period of time. METHODS: Lungs, lymph nodes and other samples were collected for disease investigation...
January 5, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28053219/a-unique-capsule-locus-in-the-newly-designated-actinobacillus-pleuropneumoniae-serovar-16-and-development-of-a-diagnostic-pcr
#15
Janine T Bossé, Yanwen Li, Rita Sárközi, Marcelo Gottschalk, Øystein Angen, Katerina Nedbalcova, Andrew N Rycroft, László Fodor, Paul R Langford
Actinobacillus pleuropneumoniae causes pleuropneumonia, an economically significant, lung disease of pigs. Recently, isolates of A. pleuropneumoniae that were serologically distinct from the previously characterized 15 serovars were described, and a proposal put forward that they comprised a new serovar 16. Here we used whole genome sequencing of the proposed serovar 16 reference strain A-85/14 to confirm presence of a unique capsular polysaccharide biosynthetic locus. For molecular diagnostics, primers were designed from the capsule locus of A-85/14 and a PCR formulated that differentiated serovar 16 isolates from all 15 known serovars, and other common respiratory pathogenic/commensal bacteria of pigs...
January 4, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28052127/overexpression-of-histone-deacetylase-6-enhances-resistance-to-porcine-reproductive-and-respiratory-syndrome-virus-in-pigs
#16
Tianyu Lu, Zhiyuan Song, Qiuyan Li, Zhiguo Li, Meng Wang, Lin Liu, Kegong Tian, Ning Li
Porcine reproductive and respiratory syndrome virus (PRRSV) is one of the most economically relevant viral pathogens in pigs and causes substantial losses in the pig industry worldwide each year. At present, PRRSV vaccines do not effectively prevent and control this disease. Consequently, it is necessary to develop new antiviral strategies to compensate for the inefficacy of the available vaccines. Histone deacetylase 6 (HDAC6) is an important member of the histone deacetylase family that is responsible for regulating many important biological processes...
2017: PloS One
https://www.readbyqxmd.com/read/28046077/an-oxygen-sensing-two-component-system-in-the-burkholderia-cepacia-complex-regulates-biofilm-intracellular-invasion-and-pathogenicity
#17
Matthew M Schaefers, Tiffany L Liao, Nicole M Boisvert, Damien Roux, Deborah Yoder-Himes, Gregory P Priebe
Burkholderia dolosa is a member of the Burkholderia cepacia complex (BCC), which is a group of bacteria that cause chronic lung infection in patients with cystic fibrosis (CF) and can be associated with outbreaks carrying high morbidity and mortality. While investigating the genomic diversity of B. dolosa strains collected from an outbreak among CF patients, we previously identified fixL as a gene showing signs of strong positive selection. This gene has homology to fixL of the rhizobial FixL/FixJ two-component system...
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28045458/bacteria-isolated-from-lung-modulate-asthma-susceptibility-in-mice
#18
Aude Remot, Delphyne Descamps, Marie-Louise Noordine, Abdelhak Boukadiri, Elliot Mathieu, Véronique Robert, Sabine Riffault, Bart Lambrecht, Philippe Langella, Hamida Hammad, Muriel Thomas
Asthma is a chronic, non-curable, multifactorial disease with increasing incidence in industrial countries. This study evaluates the direct contribution of lung microbial components in allergic asthma in mice. Germ-Free and Specific-Pathogen-Free mice display similar susceptibilities to House Dust Mice-induced allergic asthma, indicating that the absence of bacteria confers no protection or increased risk to aeroallergens. In early life, allergic asthma changes the pattern of lung microbiota, and lung bacteria reciprocally modulate aeroallergen responsiveness...
January 3, 2017: ISME Journal
https://www.readbyqxmd.com/read/28043608/new-options-in-tuberculosis-care-visions-for-the-future-are-crucial-for-controlling-the-disease
#19
Malin Ridell
The current strategies for controlling tuberculosis (TB) are not sufficient. Improved prophylactic and diagnostic tools are imperative, being crucial for decreasing TB incidence and mortality and for preventing outbreaks. Furthermore, new and better drugs are badly needed, particularly considering the increase in cases with multidrug-resistant strains. The current TB vaccine-the Bacillus Calmette-Guérin vaccine-has a preventive impact on disseminated TB in children, but little effect on the most common form of TB, that is, lung TB in adults and young adults...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043589/tuberculosis-in-slaughtered-cattle-and-workers-in-some-abattoirs-of-baghdad-governorate
#20
A N Al-Thwani, M S Al-Mashhadani
OBJECTIVE/BACKGROUND: Tuberculosis (the white plague) is regarded as one of the most widespread infectious diseases and continues to be a leading cause of death and the most prominent public health problem worldwide. It is caused by Mycobacterium tuberculosis complex, which refers to a group of seven species; one of them known as Mycobacterium bovis-the cause of bovine-type tuberculosis-has an exceptionally wide host range. It infects cattle, humans, goats, cats, dogs, buffalo, and deer...
December 2016: International Journal of Mycobacteriology
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