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Broncho alveolar lavage

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https://www.readbyqxmd.com/read/28523329/respiratory-bronchiolitis-associated-interstitial-lung-disease-an-unexpected-form-of-idiopathic-interstitial-pneumonia-in-a-young-male
#1
Claudia Lucia Toma, Elena Danteş, Diana Gabriela Leonte, Ariadna Petronela Fildan
Cigarette smoking is the most frequently encountered risk factor for chronic obstructive pulmonary disease and lung cancer. The latest American Thoracic Society÷European Respiratory Society classification of idiopathic interstitial pneumonia includes two entities related to smoking habits: respiratory bronchiolitis-associated interstitial lung disease and desquamative interstitial pneumonia. The new approach to diagnosis is to combine pathological pattern with clinical and radiological data. Lung biopsy is no longer considered the "gold standard" for diagnosis, but as a part of the diagnosis, which shall be set only after the pulmonologist, radiologist and pathologist reviewed all clinical, imaging and pathological aspects...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28504568/lactobacillus-rhamnosus-crl1505-nasal-administration-improves-recovery-of-t-cell-mediated-immunity-against-pneumococcal-infection-in-malnourished-mice
#2
N Barbieri, M Herrera, S Salva, J Villena, S Alvarez
Immunobiotic lactic acid bacteria have become an interesting alternative for the prevention of respiratory infections. Previously, we demonstrated that the nasal administration of Lactobacillus rhamnosus CRL1505, during repletion of malnourished mice, resulted in diminished susceptibility to the challenge with the respiratory pathogen Streptococcus pneumoniae. Considering the known alterations induced by malnutrition on T lymphocytes and the importance of this cell population on the protection against respiratory pathogens, we aimed to study the effect of L...
May 15, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28498407/respiratory-syncytial-virus-infection-accelerates-lung-fibrosis-through-the-unfolded-protein-response-in-a-bleomycin-induced-pulmonary-fibrosis-animal-model
#3
Lina Wang, Wei Cheng, Zhimin Zhang
Emerging evidence has demonstrated that endoplasmic reticulum stress (ER) is involved in the pathogenesis of idiopathic pulmonary fibrosis, however, the underlying mechanism remains unclear. Viral infection often triggers a hyperinflammatory response by an expansion of the ER. The present study was designed to observe the role of respiratory syncytial virus infection (RSV)‑induced ER stress on lung fibrosis. In order to determine the role of ER stress on the onset and progression of pulmonary fibrosis, mice received an intratracheal combined injection of RSV and bleomycin on day 0...
May 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28484089/xenogeneic-human-umbilical-cord-derived-mesenchymal-stem-cells-reduce-mortality-in-rats-with-acute-respiratory-distress-syndrome-complicated-by-sepsis
#4
Fan-Yen Lee, Kuan-Hung Chen, Christopher Glenn Wallace, Pei-Hsun Sung, Jiunn-Jye Sheu, Sheng-Ying Chung, Yung-Lung Chen, Hung-I Lu, Sheung-Fat Ko, Cheuk-Kwan Sun, Hsin-Ju Chiang, Hsueh-Wen Chang, Mel S Lee, Hon-Kan Yip
This study tested the hypothesis that xenogeneic human umbilical cord-derived mesenchymal stem cell (HUCDMSC) therapy would improve survival rates in rats with acute respiratory distress-syndrome (ARDS, induction by 48 h inhalation of 100% oxygen) and sepsis-syndrome (SS, induction by cecal-ligation and puncture) (ARDS-SS). Adult-male Sprague-Dawley rats were categorized into group 1 (sham-controls), group 2 (ARDS-SS), group 3 [ARDS-SS+HUCDMSC (1.2 x106 cells administered 1 h after SS-induction)], and group 4 [ARDS-SS+HUCDMSC (1...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28476111/single-use-and-conventional-bronchoscopes-for-broncho-alveolar-lavage-bal-in-research-a-comparative-study-nct-02515591
#5
Seher Raza Zaidi, Andrea M Collins, Elena Mitsi, Jesús Reiné, Kayleigh Davies, Angela D Wright, Jessica Owugha, Richard Fitzgerald, Amitava Ganguli, Stephen B Gordon, Daniela Mulari Ferreira, Jamie Rylance
BACKGROUND: Broncho alveolar lavage (BAL) is widely used for investigative research to study innate, cellular and humoral immune responses, and in early phase drug trials. Conventional (multiple use) flexible bronchoscopes have time and monetary costs associated with cleaning, and carries a small risk of cross infection. Single use bronchoscopes may provide an alternative, but have not been evaluated in this context. METHODS: Healthy volunteers underwent bronchoscopy at a day-case clinical research unit using the Ambu® aScope(TM) single-use flexible intubation bronchoscope...
May 5, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28471870/the-effect-of-immunosuppression-on-airway-integrity
#6
Hannelore Bellon, Elly Vandermeulen, Stijn E Verleden, Tobias Heigl, Hanne Vriens, Elise Lammertyn, Lieve Verlinden, Thomas Vanhove, Mieke Verstuyf, Peter Hoet, Robin Vos, Geert M Verleden, Bart M Vanaudenaerde
BACKGROUND: Insults to the airway epithelium play a key role in constrictive bronchiolitis following lung transplantation (LTx), the typical hallmark of chronic rejection. Our hypothesis is that immunosuppressives might affect airway integrity. METHODS: A biculture of lung bronchial epithelial cells (16HBE) and lung microvascular endothelial cells (HLMVEC) was exposed to immunosuppressives (serum through levels) for 24h or 4 days. Cytotoxicity, trans-epithelial electrical resistance (TEER) and permeability was measured after exposure to monotherapies and combination therapies...
May 4, 2017: Transplantation
https://www.readbyqxmd.com/read/28415591/the-purinergic-receptor-subtype-p2y2-mediates-chemotaxis-of-neutrophils-and-fibroblasts-in-fibrotic-lung-disease
#7
Tobias Müller, Susanne Fay, Rodolfo Paula Vieira, Harry Karmouty-Quintana, Sanja Cicko, Korcan Ayata, Gernot Zissel, Torsten Goldmann, Giuseppe Lungarella, Davide Ferrari, Francesco Di Virgilio, Bernard Robaye, Jean-Marie Boeynaems, Michael R Blackburn, Marco Idzko
Idiopathic pulmonary fibrosis (IPF) is a devastating disease with few available treatment options. Recently, the involvement of purinergic receptor subtypes in the pathogenesis of different lung diseases has been demonstrated. Here we investigated the role of the purinergic receptor subtype P2Y2 in the context of fibrotic lung diseases.The concentration of different nucleotides was measured in the broncho-alveolar lavage (BAL) fluid derived from IPF patients and animals with bleomycin-induced pulmonary fibrosis...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412654/nigella-sativa-a-traditional-tunisian-herbal-medicine-attenuates-bleomycin-induced-pulmonary-fibrosis-in-a-rat-model
#8
Anouar Abidi, Alexandre Robbe, Nadia Kourda, Saloua Ben Khamsa, Alexandre Legrand
The present study investigated the effects of Nigella sativa oil (NSO) on bleomycin (BLM)-induced lung fibrosis in rats. The rat model of pulmonary fibrosis (PF) was established by intratracheal instillation of BLM, and the effect of 1ml/kg oral NSO treatment once daily observed. The effect of NSO was studied over a period of 50daysusing (1)H RMN analysis on the urine and broncho alveolar lavage fluid (Balf) of the rats. Histopathological (inflammation and fibrosis) and immunohistochemical (TGF-β1 density) changes were evaluated...
June 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28400838/hemohim-a-herbal-preparation-alleviates-airway-inflammation-caused-by-cigarette-smoke-and-lipopolysaccharide
#9
Na-Rae Shin, Sung-Ho Kim, Je-Won Ko, Sung-Hyeuk Park, In-Chul Lee, Jung-Min Ryu, Jong-Choon Kim, In-Sik Shin
HemoHIM, herbal preparation has designed for immune system recovery. We investigated the anti-inflammatory effect of HemoHIM on cigarette smoke (CS) and lipopolysaccharide (LPS) induced chronic obstructive pulmonary disease (COPD) mouse model. To induce COPD, C57BL/6 mice were exposed to CS for 1 h per day (eight cigarettes per day) for 4 weeks and intranasally received LPS on day 26. HemoHIM was administrated to mice at a dose of 50 or 100 mg/kg 1h before CS exposure. HemoHIM reduced the inflammatory cell count and levels of tumor necrosis factor receptor (TNF)-α, interleukin (IL)-6 and IL-1β in the broncho-alveolar lavage fluid (BALF) induced by CS+LPS exposure...
March 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28380065/potential-use-of-local-and-systemic-humoral-immune-response-parameters-to-forecast-mycoplasma-hyopneumoniae-associated-lung-lesions
#10
Beatriz Garcia-Morante, Joaquim Segalés, Lorenzo Fraile, Gemma Llardén, Teresa Coll, Marina Sibila
Immunopathological events are key for the development of enzootic pneumonia (EP), which is macroscopically observed as cranioventral pulmonary consolidation (CVPC). This study aimed to investigate the putative association between the humoral immune response against Mycoplasma hyopneumoniae (M. hyopneumoniae) and prevalence and extension of CVPC in 1) experimentally infected pigs, 2) slaughtered pigs and 3) sequentially necropsied pigs in a longitudinal study. CVPC was scored by means of the European Pharmacopoeia recommended methodology...
2017: PloS One
https://www.readbyqxmd.com/read/28370571/investigation-of-inflammatory-and-allergic-responses-to-common-mold-species-results-from-in-vitro-experiments-from-a-mouse-model-of-asthma-and-from-a-group-of-asthmatic-patients
#11
Muriel Vincent, Pauline Percier, Sofie De Prins, Kris Huygen, Georges Potemberg, Eric Muraille, Marta Romano, Olivier Michel, Olivier Denis
Most studies on molds focus on A. alternata and A. fumigatus. Here we report on inflammatory and allergenic properties of more typical indoor species A. versicolor, P. chrysogenum, C. cladosporioïdes and C. sphaerospermum that were compared to A. alternata and A. fumigatus. In a mouse model, after intranasal instillation, A. alternaria, A. versicolor and C. sphaerospermum induced the early recruitment of neutrophils and the strong expression of inflammatory markers in the broncho-alveolar lavages fluids. A...
April 2, 2017: Indoor Air
https://www.readbyqxmd.com/read/28348765/progressive-disseminated-histoplasmosis-mimicking-a-flare-of-systemic-lupus-erythematosus-a-european-case-report
#12
M L M van Doorn-Schepens, E J Peters, R M van Vugt, J I van der Spoel, K van Dijk
INTRODUCTION: Diagnosing progressive disseminated histoplasmosis (PDH) in patients with systemic lupus erythematosus (SLE) is diagnostically challenging. Since PDH is lethal when untreated, awareness of this infection in patients with SLE is of utmost importance. To the best of our knowledge, this is the first description of a case of PDH in a patient with SLE in Europe. CASE PRESENTATION: A 56-year-old woman of Surinamese descent with a history of SLE, presented with fever and polyarthritis...
August 2016: JMM Case Reports
https://www.readbyqxmd.com/read/28331796/an-unexpected-finding-in-a-man-with-multiple-pulmonary-nodules-a-pleural-effusion-and-respiratory-failure
#13
Yik Lam Pang, Quentin Jones
We report the case of a 47-year old Caucasian man with a history of depression and high alcohol intake who presented with a one-month history of weight loss, dry cough and abdominal pain. He had no smoking history of note. The patient was treated for a suspected chest infection, however developed respiratory failure and was intubated. A CT showed multiple pulmonary nodules, left pleural thickening extending to the mediastinum and bilateral pleural effusions-larger on the left, suggestive of disseminated malignancy...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28330430/effect-of-waterpipe-tobacco-smoking-on-airway-inflammation-in-murine-model-of-asthma
#14
Nour A Al-Sawalha, Ala'a M Migdadi, Karem H Alzoubi, Omar F Khabour, Nidal A Qinna
OBJECTIVE: There has been an increase in the popularity of waterpipe tobacco smoking (WTS) worldwide, especially in the younger population, including asthma patients. In this study, we investigated the effects of waterpipe smoking on airway inflammation, cytokine levels and oxidative stress markers in an antigen-driven murine model of asthma. MATERIALS AND METHODS: Balb/c mice were divided into four groups; (1) control (received fresh air, ovalbumin sensitization and saline challenge), (2) WTS (received WTS, ovalbumin sensitization and saline challenge), (3) Ova S/C (received fresh air, ovalbumin sensitization and ovalbumin challenge) and (4) simultaneous WTS and Ova S/C (received WTS, ovalbumin sensitization and ovalbumin challenge)...
February 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28314480/airways-antiallergic-effect-and-pharmacokinetics-of-alkaloids-from-alstonia-scholaris
#15
Yun-Li Zhao, Jing Cao, Jian-Hua Shang, Ya-Ping Liu, Afsar Khan, Heng-Shan Wang, Yi Qian, Lu Liu, Min Ye, Xiao-Dong Luo
BACKGROUND: Alstonia scholaris (L.) R. Br. (Apocynaceae), an important herbal medicine, has been widely used to treat respiratory tract diseases, such as cough, asthma, phlegm, and chronic obstructive pulmonary disease. PURPOSE: To evaluate pharmacological effect of alkaloids from A. scholaris on ovalbumin induced airways allergic inflammatory model, and explore whether the dosing frequency is related to pharmacokinetics. STUDY DESIGN: After oral administration of total alkaloids, the pharmacokinetic study of it was investigated...
April 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28285600/experimental-silicosis-does-not-aggravate-collagen-induced-arthritis-in-mice
#16
Robby Engelmann, Brigitte Müller-Hilke
OBJECTIVES: To investigate the effect of chronic lung inflammation on the incidence and severity of collagen-induced arthritis in mice. METHODS: Chronic lung inflammation in the form of silicosis was induced via intranasal application of silica particles. Immunization with collagen Type II commenced one week later and mice were sacrificed six weeks after booster immunization. Thereafter, silicosis was confirmed via flow cytometry and arthritis was evaluated performing knee and paw histology...
March 13, 2017: Journal of Negative Results in Biomedicine
https://www.readbyqxmd.com/read/28260935/post-influenza-aspergillosis-do-not-underestimate-influenza-b
#17
REVIEW
Eric Fl Nulens, Marc Jc Bourgeois, Marijke Bml Reynders
Our objective is to highlight and focus on post-influenza aspergillosis, triggered by influenza B virus. This relatively new clinical entity is often associated with a fulminant course of respiratory decline and high mortality. A 51-year immunocompetent woman, without any medical history or risk factors for developing a complicated influenza infection, was admitted to the intensive care unit. During admission, she presented with an afebrile flu-like syndrome, myocarditis, rhabdomyolysis, multiple organ failure, and evolved to severe respiratory distress...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28229922/mandevilla-longiflora-desf-pichon-improves-airway-inflammation-in-a-murine-model-of-allergic-asthma
#18
Danielle Ayr Tavares de Almeida, Suellen Iara Guirra Rosa, Thais Campos Dias da Cruz, Eduarda Pavan, Amílcar Sabino Damazo, Ilsamar Mendes Soares, Sérgio Donizeti Ascêncio, Antonio Macho, Domingos Tabajara de Oliveira Martins
ETHNOPHARMACOLOGICAL RELEVANCE: Mandevilla longiflora, popularly known as "velame" in central Brazil, is a subshrub and widely distributed in South America. Its xylopodium is used in the form of a decoction or infusion to treat inflammation and other ailments. AIM OF THE STUDY: This study aimed to evaluate the anti-inflammatory potential of M. longiflora in an in vivo model of ovalbumin-induced immediate hypersensitivity, identifying its effects on leukocyte infiltration, IgE and LTB4 levels, and Th2 cytokine production...
February 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28216440/protective-effect-of-hwangryunhaedok-tang-water-extract-against-chronic-obstructive-pulmonary-disease-induced-by-cigarette-smoke-and-lipopolysaccharide-in-a-mouse-model
#19
Na-Rae Shin, Je-Won Ko, Sung-Hyeuk Park, Young-Kwon Cho, Sei-Ryang Oh, Kyung-Seob Ahn, Jung-Min Ryu, Jong-Choon Kim, Chang-Seob Seo, In-Sik Shin
ETHNOPHARMACOLOGICAL RELEVANCE: Hwangryunhaedok-tang is an oriental herbal formula treated to cure inflammation and gastric disorders in China, Japan, and Korea. We explored the protective effects of Hwangryunhaedok-tang water extract (HRWE) against airway pathophysiological changes caused by cigarette smoke (CS) and lipopolysaccharide (LPS) in a mouse. MATERIALS AND METHODS: We performed quantitative analyses of five marker components, namely geniposide, baicalin, coptisine, plamatine, and berberine, using high-performance liquid chromatography...
February 16, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28212817/in-vivo-toxicity-of-copper-oxide-lead-oxide-and-zinc-oxide-nanoparticles-acting-in-different-combinations-and-its-attenuation-with-a-complex-of-innocuous-bio-protectors
#20
Ilzira A Minigalieva, Boris A Katsnelson, Vladimir G Panov, Larisa I Privalova, Anatoly N Varaksin, Vladimir B Gurvich, Marina P Sutunkova, Vladimir Ya Shur, Ekaterina V Shishkina, Irene E Valamina, Ilya V Zubarev, Oleg H Makeyev, Ekaterina Y Meshtcheryakova, Svetlana V Klinova
Stable suspensions of metal oxide nanoparticles (Me-NPs) obtained by laser ablation of 99.99% pure copper, zinc or lead under a layer of deionized water were used separately, in three binary combinations and a triple combination in two independent experiments on rats. In one of the experiments the rats were instilled with Me-NPs intratracheally (i.t.) (for performing a broncho-alveolar lavage in 24h to estimate the cytological and biochemical indices of the response of the lower airways), while in the other, Me-NPs were repeatedly injected intraperitoneally (i...
April 1, 2017: Toxicology
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