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https://www.readbyqxmd.com/read/28732066/inhibition-of-pulmonary-%C3%AE-carotene-15-15-oxygenase-expression-by-glucocorticoid-involves-ppar%C3%AE
#1
Xiaoming Gong, Raju Marisiddaiah, Lewis P Rubin
β-carotene 15,15'-oxygenase (BCO1) catalyzes the first step in the conversion of dietary provitamin A carotenoids to vitamin A. This enzyme is expressed in a variety of developing and adult tissues, suggesting that its activity may regulate local retinoid synthesis. Vitamin A and related compounds (retinoids) are critical regulators of lung epithelial development, integrity, and injury repair. A balance between the actions of retinoids and glucocorticoids (GCs) promotes normal lung development and, in particular, alveolarization...
2017: PloS One
https://www.readbyqxmd.com/read/28731908/prognostic-factors-in-lung-transplantation-after-hematopoietic-stem-cell-transplantation
#2
Toyofumi F Chen-Yoshikawa, Seiichiro Sugimoto, Takeshi Shiraishi, Masato Minami, Yasushi Matsuda, Masayuki Chida, Sumiko Maeda, Akihiro Aoyama, Yoshinori Okada, Meinoshin Okumura, Akinori Iwasaki, Shinichiro Miyoshi, Takahiro Oto, Hiroshi Date
BACKGROUND: Lung transplantation is the final life-saving option for patients with pulmonary complications after hematopoietic stem cell transplantation (HSCT). Patients undergoing HSCT for hematologic diseases are thought to be high-risk candidates for lung transplantation; therefore, few lung transplants are performed for these patients, and few studies have been reported. This study aimed to describe the characteristics and outcomes of lung transplantation in patients with pulmonary complications after HSCT...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28731666/pulmonary-complications-of-chemical-pneumonia-a-case-report
#3
Semiha Bahceci Erdem, Hikmet T Nacaroglu, Rana Isgüder, Canan S Unsal Karkiner, Hüdaver Alper, Demet Can
Hydrocarbon aspiration (HA) can cause significant lung disease by inducing an inflammatory response, hemorrhagic exudative alveolitis, and loss of surfactant function. The most serious side effect of HA is aspiration pneumonia. Pneumothorax, pneumatocele, acute respiratory distress syndrome (ARDS), pulmonary abscess, bronchopleural fistula, bilateral hemorrhagic pleural effusion and pyopneumothorax were previously reported. Hereby we report a patient hospitalized due to aspiration pneumonia who developed pleurisy and pneumothorax after drinking paint thinner...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28731663/-pulmonary-actinomycosis-and-tuberculosis-a-comorbidity-pediatric-case
#4
Elsa D Bisero, Graciela F Luque, Cristina N Rizzo, Alejandra E Zapata, María S Cuello
Actinomycosis is a chronic suppurative infection, produced by anaerobic Gram-positive bacteria or microaerobic Actinomyces species. It is rare in children and adolescents and it is more common in immunocompromised. Mycobacterium tuberculosis collaborates on the development of the disease. Pulmonary involvement appears as a picture of chronic condensation that does not improve with conventional antibiotic treatment. Classic complications affecting the thoracic wallwith drainage in «sulfur granule» and fistulization are described less frequently nowadays...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28731490/lancisi-s-sign-and-central-venous-catheter-tip-position-a-case-report
#5
Valentina Vigo, Piero Lisi, Giuseppe Galgano, Carlo Lomonte
INTRODUCTION: Valvular disease and pulmonary hypertension are common conditions in haemodialysis patients. In presence of tricuspid regurgitation, an increased retrograde blood flow into the right atrium during ventricle systole results in a typical modification of the normal venous waveform, creating a giant c-v wave. This condition clinically appears as a venous palpable pulsation within the internal jugular vein, also known as Lancisi's sign. CASE REPORT: An 83-year-old woman underwent haemodialysis for 9 years...
July 19, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28731410/infectious-and-noninfectious-pulmonary-complications-in-patients-with-primary-immunodeficiency-disorders
#6
REVIEW
R Yazdani, H Abolhassani, M Asgardoon, M Shaghaghi, M Modaresi, G Azizi, A Aghamohammadi
Primary immunodeficiency disorders (PIDs) are caused by 1 or more defects of the immune system. Patients are more likely to experience recurrent and/or severe infections and tend to develop a wide range of complications. Respiratory diseases are the main and initial manifestation in most cases and the most common complication. Pulmonary complications cause significant morbidity and mortality in patients with PIDs. Early diagnosis and appropriate treatment can prevent or at least slow the development of respiratory complications...
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28731277/tnf-%C3%AE-induced-nf-%C3%AE%C2%BAb-activation-promotes-myofibroblast-differentiation-of-lr-mscs-and-exacerbates-bleomycin-induced-pulmonary-fibrosis
#7
Jiwei Hou, Tan Ma, Honghui Cao, Yabing Chen, Cong Wang, Xiang Chen, Zou Xiang, Xiaodong Han
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive, and irreversible lung disease of unknown cause. It has been reported that both lung resident mesenchymal stem cells (LR-MSCs) and tumor necrosis factor-α (TNF-α) play important roles in the development of pulmonary fibrosis. However, the underlying connections between LR-MSCs and TNF-α in the pathogenesis of pulmonary fibrosis are still elusive. In this study, we found that the pro-inflammatory cytokine TNF-α and the transcription factor nuclear factor kappa B (NF-κB) p65 subunit were both upregulated in bleomycin-induced fibrotic lung tissue...
July 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28731049/composite-hemangioendothelioma-with-neuroendocrine-marker-expression-an-aggressive-variant
#8
Kyle D Perry, Alyaa Al-Lbraheemi, Brian P Rubin, Jin Jen, Hongzheng Ren, Jin Sung Jang, Asha Nair, Jaime Davila, Stefan Pambuccian, Andrew Horvai, William Sukov, Henry D Tazelaar, Andrew L Folpe
Aberrant expression of neuroendocrine markers is extremely rare in endothelial neoplasms, with only a single report describing three cases. Although originally classified as conventional angiosarcoma, further assessment of these tumors revealed a strikingly composite morphology composed of retiform and epithelioid elements reminiscent of composite hemangioendothelioma, a rare subtype of hemangioendothelioma. To further investigate these findings, available materials from 11 morphologically distinctive endothelial tumors showing neuroendocrine marker expression were retrieved from our archives...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28730936/an-industry-update-what-is-the-latest-news-in-therapeutic-delivery
#9
Iain Simpson
This Industry Update covers the period from 1 through 30 April 2017, and is based on information sourced from company press releases, scientific literature, patents and various news websites. Biogen expanded its portfolio of developmental drugs targeting neurological diseases by licensing a drug from Bristol-Myers Squibb which is currently under investigation for the treatment of progressive supranuclear palsy. Takeda announced a deal with NuBiyota focused on developing treatments for gastrointestinal disorders, based on the manipulation of microbes living in the gut...
July 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28730919/an-update-on-biomarker-discovery-and-use-in-systemic-sclerosis
#10
Takashi Matsushita, Kazuhiko Takehara
Systemic sclerosis (SSc) is an autoimmune disease characterized by excessive extracellular matrix deposition in the skin and internal organs. Three major abnormalities, autoimmunity, vasculopathy, and fibrosis, are considered to play important roles in the pathophysiology of SSc. SSc is a heterogeneous disease with clinical features, disease progress, therapeutic response, and prognosis. Therefore, identification of biomarkers, which can predict the course of the disease, is required for the progress of clinical practice...
July 21, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28730376/lower-urinary-tract-obstruction-fetal-intervention-based-on-prenatal-staging
#11
Rodrigo Ruano, Timothy Dunn, Michael C Braun, Joseph R Angelo, Adnan Safdar
The authors present an overview of lower urinary tract obstruction (LUTO) in the fetus with a particular focus on the insult to the developing renal system. Diagnostic criteria along with the challenges in estimating long-term prognosis are reviewed. A proposed prenatal LUTO disease severity classification to guide management decisions with fetal intervention to maintain or salvage in utero and neonatal pulmonary and renal function is also discussed. Stage I LUTO (mild form) is characterized by normal amniotic fluid index after 18 weeks, normal kidney echogenicity, no renal cortical cysts, no evidence of renal dysplasia, and favorable urinary biochemistries when sampled between 18 and 30 weeks; prenatal surveillance is recommended...
July 21, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28730222/tuberculosis-and-its-particularities-in-romania-and-worldwide
#12
Floarea Mimi NiŢu, Mihai Olteanu, Costin Teodor Streba, Gabriela Jimborean, Paraschiva Postolache, Milena Adina Man, Antigona Carmen Trofor, Roxana Maria Nemeş, Livia Dragonu, Mădălina Olteanu
Tuberculosis (TB) is a global health issue, with a rising incidence since the beginning of this century. It poses a severe mortality risk and also poses a serious economic risk as it reduces the working capacity of an individual in the most productive part of life. Developing countries face widespread tuberculosis infection - up to 95% of all cases and 98% of deaths, respectively. It is a highly contagious infectious disease caused by Mycobacterium tuberculosis (the Koch bacillus) that can be contracted from either humans or animal hosts...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28730151/comparison-of-thoracic-radiography-and-computed-tomography-in-calves-with-naturally-occurring-respiratory-disease
#13
Jennifer Fowler, Susanne M Stieger-Vanegas, Jorge A Vanegas, Gerd Bobe, Keith P Poulsen
OBJECTIVE: To evaluate the severity and extent of lung disease using thoracic computed radiography (CR) compared to contrast-enhanced multi-detector computed tomography (MDCT) of the thorax in calves with naturally occurring respiratory disease and to evaluate the feasibility and safety of performing contrast-enhanced thoracic multi-detector MDCT examinations in sedated calves. Furthermore, to evaluate if combining CR or MDCT with respiratory scoring factors will improve prediction of the chronicity of pulmonary disease in calves...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28729620/self-management-behaviour-and-support-among-primary-care-copd-patients-cross-sectional-analysis-of-data-from-the-birmingham-chronic-obstructive-pulmonary-disease-cohort
#14
Ainee Khan, Andrew P Dickens, Peymane Adab, Rachel E Jordan
Self-management support for chronic obstructive pulmonary disease (COPD) patients is recommended by UK national guidelines, but extent of implementation is unknown. We aimed to describe self-management behaviour and support among COPD patients and explore behaviour associated with having a self-management plan. We undertook cross-sectional analysis of self-reported data from diagnosed COPD patients in the Birmingham COPD Cohort study. Questionnaire items relevant to self-management behaviour, knowledge of COPD, receipt of self-management plans and advice from healthcare professionals were examined...
July 20, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28729471/hypoxic-vascular-response-and-ventilation-perfusion-matching-in-end-stage-copd-may-depend-on-p22phox
#15
Chandran Nagaraj, Christoph Tabeling, Bence M Nagy, Pritesh P Jain, Leigh M Marsh, Rita Papp, Michael Pienn, Martin Witzenrath, Bahil Ghanim, Walter Klepetko, E Kenneth Weir, Stefan Heschl, Grazyna Kwapiszewska, Andrea Olschewski, Horst Olschewski
Chronic obstructive pulmonary disease (COPD) is a heterogeneous disease in which the amount of emphysema and airway disease may be very different between individuals, even in end-stage disease. Emphysema formation may be linked to the involvement of the small pulmonary vessels. The NAPDH oxidase (Nox) family is emerging as a key disease-related factor in vascular diseases, but currently its role in hypoxia-induced pulmonary remodelling in COPD remains unclear.Here we investigate the role of p22phox, a regulatory subunit of Nox, in COPD lungs, hypoxic pulmonary vasoconstriction (HPV), hypoxia-induced pulmonary vascular remodelling and pulmonary hypertension...
July 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28729411/recognized-obstructive-sleep-apnea-is-associated-with-improved-in-hospital-outcomes-after-st-elevation-myocardial-infarction
#16
Divyanshu Mohananey, Pedro A Villablanca, Tanush Gupta, Sahil Agrawal, Michael Faulx, Venugopal Menon, Samir R Kapadia, Brian P Griffin, Stephen G Ellis, Milind Y Desai
BACKGROUND: Obstructive sleep apnea (OSA) is an independent risk factor for many cardiovascular conditions such as coronary artery disease, myocardial infarction, systemic hypertension, pulmonary hypertension, and stroke. However, the association of OSA with outcomes in patients hospitalized for ST-elevation myocardial infarction remains controversial. METHODS AND RESULTS: We used the nation-wide inpatient sample between 2003 and 2011 to identify patients with a primary discharge diagnosis of ST-elevation myocardial infarction and then used the International Classification of Diseases, Clinical Modification code 327...
July 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28729186/-tuberculosis-treatment-for-children-an-update
#17
María José Mellado Peña, Begoña Santiago García, Fernando Baquero-Artigao, David Moreno Pérez, Roi Piñeiro Pérez, Ana Méndez Echevarría, José Tomás Ramos Amador, David Gómez-Pastrana Durán, Antoni Noguera Julian
Tuberculosis (TB) is the most important infectious disease all over the world, with a high morbidity and mortality. Pediatric tuberculosis has been a neglected epidemic, due to the difficulties in assessing its global impact, reduced incidence and lower infectivity compared to adults. In 2015, the WHO reported 1 million cases of paediatric TB and 169,000 deaths. In Europe, the emergence of MDR TB is a major concern, representing 16% of the new diagnosis in Eastern Europe. In 2014, it was estimated that about 219,000 children were infected by MDR-TB-strains in Europe, and 2,120 developed the disease...
July 17, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28728935/transcatheter-arterial-chemoembolization-with-spherical-embolic-agent-in-patients-with-pulmonary-or-mediastinal-metastases-from-breast-cancer
#18
Norifumi Kennoki, Shinichi Hori, Takeo Yuki, Atsushi Hori
PURPOSE: To evaluate safety and feasibility of transcatheter arterial chemoembolization with superabsorbent polymer microspheres (SAP-MS) for patients with pulmonary or mediastinal metastasis from breast cancer. METHODS: Between November 2002 and January 2015, 14 patients with 29 unresectable pulmonary or mediastinal breast cancer metastases underwent transcatheter arterial chemoembolization using SAP-MS (50-100 μm) after injection of a combination of 2-4 types of anticancer drugs (eg, cisplatin [30 mg] + fluorouracil [500 mg], or epirubicin [40 mg] + mitomycin C [4 mg] + fluorouracil [500 mg])...
July 18, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28728934/beyond-body-mass-index-obesity-and-lung-disease
#19
REVIEW
Ubong Peters, Benjamin T Suratt, Jason H T Bates, Anne E Dixon
The worldwide prevalence of obesity has increased rapidly in the last three decades, and this has led to important changes in the pathogenesis and clinical presentation of many common diseases. This review article examines the relationship between obesity and lung disease, highlighting some of the major findings that have advanced our understanding of the mechanisms contributing to this relationship. Changes in pulmonary function related to fat mass are important, but obesity is much more than simply a state of mass loading, and body mass index is only a very indirect measure of metabolic health...
July 17, 2017: Chest
https://www.readbyqxmd.com/read/28728932/the-complex-restrictive-pulmonary-function-pattern-clinical-and-radiological-analysis-of-a-common-but-previously-undescribed-restrictive-pattern
#20
Ryan D Clay, Vivek N Iyer, Dereddi Raja Reddy, Brittany Siontis, Paul D Scanlon
BACKGROUND: Most patients with restriction have a PFT pattern in which TLC, FVC and FEV1 are reduced to a similar degree. We call this pattern 'simple' restriction (SR). In contrast, we commonly observe a pattern in which FVC percent predicted (pp) is disproportionately reduced relative to TLCpp. We term this pattern 'complex restriction' (CR) and attempted to characterize its clinical, radiologic and physiologic features. METHODS: We reviewed PFTs of patients tested between November 2009 and June 2013 who had restriction (TLC<LLN)...
July 17, 2017: Chest
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