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https://www.readbyqxmd.com/read/28068891/immunological-variation-due-to-genetics-of-inflammatory-snps-and-age-and-impact-on-disease-manifestation
#1
Gary R Burleson
The immune system is a critical component in defense against viral, bacterial, parasitic, and fungal diseases. Immunological mechanisms, including immunological mediators, innate immunity, cell-mediated immunity, and humoral-mediated immunity, serve to maintain homeostasis and protect the host from disease. Immunological variation can impact defense mechanisms, however. Two factors in particular that can influence immune function are the single nucleotide polymorphisms (SNPs) and aging. SNPs affecting inflammatory cytokines are an important modifier involved in a number of diseases such as asthma, periodontal disease, atherosclerosis, diabetic retinopathy, psoriasis, and osteoporosis...
January 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28046097/glucocorticoid-insensitivity-in-virally-infected-airway-epithelial-cells-is-dependent-on-transforming-growth-factor-%C3%AE-activity
#2
Yuxiu C Xia, Asmaa Radwan, Christine R Keenan, Shenna Y Langenbach, Meina Li, Danica Radojicic, Sarah L Londrigan, Rosa C Gualano, Alastair G Stewart
Asthma and chronic obstructive pulmonary disease (COPD) exacerbations are commonly associated with respiratory syncytial virus (RSV), rhinovirus (RV) and influenza A virus (IAV) infection. The ensuing airway inflammation is resistant to the anti-inflammatory actions of glucocorticoids (GCs). Viral infection elicits transforming growth factor-β (TGF-β) activity, a growth factor we have previously shown to impair GC action in human airway epithelial cells through the activation of activin-like kinase 5 (ALK5), the type 1 receptor of TGF-β...
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28041779/hospitalizations-within-14days-of-vaccination-among-pediatric-recipients-of-the-live-attenuated-influenza-vaccine-united-states-2010-2012
#3
Alexander J Millman, Sue Reynolds, Jonathan Duffy, Jufu Chen, Paul Gargiullo, Alicia M Fry
BACKGROUND: Live attenuated influenza vaccine (LAIV) is safe in healthy children ⩾2years. The original clinical trials excluded individuals with underlying conditions; however, post-marketing data suggest LAIV may be safe for these populations. METHODS: We analyzed MarketScan Commercial Claims Databases from 2010 to 2012 to describe hospitalizations within 14days of vaccination among LAIV recipients. We evaluated LAIV recipients aged 2-18years and defined underlying conditions by presence of inpatient or outpatient ICD-9 code during the previous calendar year...
December 29, 2016: Vaccine
https://www.readbyqxmd.com/read/27933151/improving-asthma-care-in-a-pediatric-resident-clinic
#4
Julia Lee, Albina Gogo, Daniel Tancredi, Erik Fernandez Y Garcia, Ulfat Shaikh
There is variation in pediatric asthma management in the outpatient setting. Adherence to national asthma guidelines provides a systematic standardized approach to asthma management. There is a gap between usual and guideline-consistent asthma care in resident clinics. Practice improvement modules aimed at improving resident physician adherence to asthma care guidelines have not been consistently utilized and have not yet been studied. Our aim was to increase guideline consistent care in our pediatric resident clinic in a twelve-month period via increasing performance on the following measures to 75%: spirometry testing; influenza immunization recommendation; level of control assessed through the use of a standardized questionnaire; appropriate medications per national guideline; and use of written asthma action plans...
2016: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/27933034/a-novel-molybdenum-containing-methionine-sulfoxide-reductase-supports-survival-of-haemophilus-influenzae-in-an-in-vivo-model-of-infection
#5
Rabeb Dhouib, Dk Seti Maimonah Pg Othman, Victor Lin, Xuanjie J Lai, Hewa G S Wijesinghe, Ama-Tawiah Essilfie, Amanda Davis, Marufa Nasreen, Paul V Bernhardt, Philip M Hansbro, Alastair G McEwan, Ulrike Kappler
Haemophilus influenzae is a host adapted human mucosal pathogen involved in a variety of acute and chronic respiratory tract infections, including chronic obstructive pulmonary disease and asthma, all of which rely on its ability to efficiently establish continuing interactions with the host. Here we report the characterization of a novel molybdenum enzyme, TorZ/MtsZ that supports interactions of H. influenzae with host cells during growth in oxygen-limited environments. Strains lacking TorZ/MtsZ showed a reduced ability to survive in contact with epithelial cells as shown by immunofluorescence microscopy and adherence/invasion assays...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27929695/secondhand-smoke-exposure-illness-severity-and-resource-utilization-in-pediatric-emergency-department-patients-with-respiratory-illnesses
#6
Ashley L Merianos, Cinnamon A Dixon, E Melinda Mahabee-Gittens
OBJECTIVE: Hospital-based data reveal that children who have secondhand smoke exposure (SHSe) experience severe respiratory illnesses and greater resource utilization. Our objective was to assess the relationship between SHSe and illness severity/resource utilization among children presenting to the pediatric emergency department (PED) with three common respiratory conditions - asthma, bronchiolitis, and pneumonia. METHODS: A retrospective review of a yearlong consecutive sample of PED patients with SHSe status documentation and asthma, bronchiolitis, or pneumonia diagnoses was performed...
December 8, 2016: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/27883375/analysis-of-risk-factors-for-severe-acute-respiratory-infection-and-pneumonia-and-among-adult-patients-with-acute-respiratory-illness-during-2011-2014-influenza-seasons-in-korea
#7
Seong Hui Kang, Hee Jin Cheong, Joon Young Song, Ji Yun Noh, Ji Ho Jeon, Min Joo Choi, Jacob Lee, Yu Bin Seo, Jin Soo Lee, Seong Heon Wie, Hye Won Jeong, Young Keun Kim, Kyung Hwa Park, Shin Woo Kim, Eun Joo Jeong, Sun Hee Lee, Won Suk Choi, Woo Joo Kim
BACKGROUND: The World Health Organization recommends the surveillance of influenza-like illness (ILI) and severe acute respiratory infection (SARI) to respond effectively to both seasonal influenza epidemics and pandemics. In Korea, the "Hospital-based Influenza Morbidity and Mortality (HIMM)" surveillance system has been operated to monitor ILI and SARI occurrences. MATERIALS AND METHODS: A multi-center prospective observational study was conducted. Adult patients with acute respiratory infection (ARI) were enrolled during the 2011-12, 2012-2013, and 2013-2014 influenza seasons at the 10 university hospitals using the HIMM surveillance system...
December 2016: Infection & Chemotherapy
https://www.readbyqxmd.com/read/27854115/an-investigation-into-respiratory-tract-viruses-in-children-with-acute-lower-respiratory-tract-infection-or-wheezing
#8
Demet Dabaniyasti, Fahriye Eksi, Özlem Keskin, Mehmet Y Özkars, Tekin Karsligil, Iclal Balci
BACKGROUND: This study aimed to determine the frequencies of respiratory tract viruses in patient (acute lower respiratory tract infection (LRTI) or wheezing) and control (history of asthma without symptoms) groups. METHODS: Using multiplex-PCR, respiratory tract viruses were investigated in the respiratory tract specimens from patient and control groups followed in the Pediatric Clinic. RESULTS: The viruses detected in the patient and control groups (p=0...
November 17, 2016: Minerva Pediatrica
https://www.readbyqxmd.com/read/27798778/hospitalizations-for-chronic-conditions-among-indigenous-australians-after-medication-copayment-reductions-the-closing-the-gap-copayment-incentive
#9
Amal N Trivedi, Ross Bailie, Jodie Bailie, Alex Brown, Margaret Kelaher
BACKGROUND: To close health disparities between Indigenous and non-Indigenous Australians, the Australian government in 2010 reduced medication copayments for Indigenous Australians living with, or at risk of, a chronic disease. Patients were registered for this incentive by their general practitioner. OBJECTIVE: To assess rates of hospitalizations for chronic conditions among Indigenous Australians before and after copayment reductions. DESIGN: Observational time-trend study of hospitalizations for chronic conditions sensitive to medication adherence...
October 31, 2016: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/27789065/knowledge-and-attitudes-among-patients-with-asthma-and-parents-and-physicians-towards-influenza-vaccination
#10
A Kaya, N Altınel, G Karakaya, F Çetinkaya
BACKGROUND: Influenza is an infectious disease, dangerous for all people, especially for some risk groups such as patients with chronic diseases and health care workers. But most of the people under the risk of influenza, including health care workers are not immunised because of misinformation. In this study, we aimed to determine the knowledge, beliefs and attitudes of patients with allergic rhinitis and asthma and parents of such children related to influenza vaccination. Attitudes and beliefs of physicians treating these patients about influenza vaccination were also investigated...
October 24, 2016: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/27720448/risk-factors-associated-with-hospitalisation-for-influenza-associated-severe-acute-respiratory-illness-in-south-africa-a-case-population-study
#11
Tochukwu Raphael Abadom, Adrian D Smith, Stefano Tempia, Shabir A Madhi, Cheryl Cohen, Adam L Cohen
BACKGROUND: Influenza is a common cause of severe respiratory illness, but risk factors for hospitalisation in low income settings with a high HIV prevalence are not well described. We aimed to assess risk factors associated with influenza-associated severe acute respiratory illness (SARI) hospitalisation in South Africa. METHODS: We conducted a case-population study using data on risk conditions in patients hospitalised with SARI and the national prevalence of these conditions...
October 6, 2016: Vaccine
https://www.readbyqxmd.com/read/27708582/high-density-lipoproteins-and-apolipoprotein-a-i-potential-new-players-in-the-prevention-and-treatment-of-lung-disease
#12
Elizabeth M Gordon, Debbie M Figueroa, Amisha V Barochia, Xianglan Yao, Stewart J Levine
Apolipoprotein A-I (apoA-I) and high-density lipoproteins (HDL) mediate reverse cholesterol transport out of cells. Furthermore, HDL has additional protective functions, which include anti-oxidative, anti-inflammatory, anti-apoptotic, and vasoprotective effects. In contrast, HDL can become dysfunctional with a reduction in both cholesterol efflux and anti-inflammatory properties in the setting of disease or the acute phase response. These paradigms are increasingly being recognized to be active in the pulmonary system, where apoA-I and HDL have protective effects in normal lung health, as well as in a variety of disease states, including acute lung injury (ALI), asthma, chronic obstructive pulmonary disease, lung cancer, pulmonary arterial hypertension, pulmonary fibrosis, and viral pneumonia...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27696462/an-early-innate-response-underlies-severe-influenza-induced-exacerbations-of-asthma-in-a-novel-steroid-insensitive-and-anti-il-5-responsive-mouse-model
#13
Lara Ravanetti, Annemiek Dijkhuis, Yanaika S Sabogal Pineros, Suzanne M Bal, Barbara S Dierdorp, Tamara Dekker, Adrian Logiantara, Ian M Adcock, Navin L Rao, Louis Boon, Gino Villetti, Peter J Sterk, Fabrizio Facchinetti, René Lutter
BACKGROUND: Acute worsening of asthma symptoms (exacerbation) is predominantly triggered by respiratory viruses, with influenza causing the most severe exacerbations. The lack of an adequate animal model hampers mechanistic insight and the development of new therapeutics. AIM: We developed and characterized a robust, consistent and reproducible mouse model of severe exacerbation of chronic allergic asthma. METHODS: Chronic allergic airway inflammation was induced following a house dust mite (HDM)-sensitization protocol...
October 3, 2016: Allergy
https://www.readbyqxmd.com/read/27695937/-influenza-and-community-acquired-pneumonia-in-german-primary-care
#14
Aryna Zanuzdana, Karla Köpke, Walter Haas
Influenza and community-acquired pneumonia (CAP) impose a considerable annual burden on the German primary care system. Yet there is a lack of epidemiological data from the country's outpatient sector on groups at risk as well as on the complications of these diseases.The Robert Koch Institute (RKI) initiated the study to identify population groups at increased risk for influenza or CAP as well as related comorbidities and sequelae. We present the methodology of the study and the descriptive analysis of the patients...
November 2016: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/27685460/a-triple-co-culture-model-of-the-human-respiratory-tract-to-study-immune-modulatory-effects-of-liposomes-and-virosomes
#15
Rebecca A M Blom, Silvia T Erni, Kristína Krempaská, Olivier Schaerer, R Maarten van Dijk, Mario Amacker, Christian Moser, Sean R R Hall, Christophe von Garnier, Fabian Blank
The respiratory tract with its ease of access, vast surface area and dense network of antigen-presenting cells (APCs) represents an ideal target for immune-modulation. Bio-mimetic nanocarriers such as virosomes may provide immunomodulatory properties to treat diseases such as allergic asthma. In our study we employed a triple co-culture model of epithelial cells, macrophages and dendritic cells to simulate the human airway barrier. The epithelial cell line 16HBE was grown on inserts and supplemented with human blood monocyte-derived macrophages (MDMs) and dendritic cells (MDDCs) for exposure to influenza virosomes and liposomes...
2016: PloS One
https://www.readbyqxmd.com/read/27677845/resveratrol-suppresses-nthi-induced-inflammation-via-up-regulation-of-the-negative-regulator-myd88-short
#16
Carla S Andrews, Shingo Matsuyama, Byung-Cheol Lee, Jian-Dong Li
Upper respiratory tract inflammatory diseases such as asthma and chronic obstructive pulmonary diseases (COPD) affect more than one-half billion people globally and are characterized by chronic inflammation that is often exacerbated by respiratory pathogens such as nontypeable Haemophilus influenzae (NTHi). The increasing numbers of antibiotic-resistant bacterial strains and the limited success of currently available pharmaceuticals used to manage the symptoms of these diseases present an urgent need for the development of novel anti-inflammatory therapeutic agents...
September 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27631176/effect-of-air-temperature-and-universal-thermal-climate-index-on-respiratory-diseases-mortality-in-mashhad-iran
#17
Gholamabbas Fallah Ghalhari, Fatemeh Mayvaneh
OBJECTIVE: Climatic factors with desired and sometimes undesired effects lead to changes in the human body, such as hypothermia, influenza, heart disease, stroke, asthma, etc. The present study investigates the role of temperature in respiratory mortality in Mashhad, Iran. MATERIALS AND METHODS: Among the respiratory mortality data, daily temperature, wind speed and relative humidity from 2004 to 2013 were used. First, Tmrt parameter was calculated through Ray Man software and the values of UTCI index were obtained using Bioklima software...
September 2016: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/27599605/plant-based-vaccines-against-respiratory-diseases-current-status-and-future-prospects
#18
Verónica A Márquez-Escobar, Sergio Rosales-Mendoza, Josué I Beltrán-López, Omar González-Ortega
INTRODUCTION: Respiratory infections have an enormous, worldwide epidemiologic impact on humans and animals. Among the prophylactic measures, vaccination has the potential to neutralize this impact. New technologies for vaccine production and delivery are of importance in this field since they offer the potential to develop new immunization approaches overriding the current limitations that comprise high cost, safety issues, and limited efficacy. AREAS COVERED: In the present review, the state of the art in developing plant-based vaccines against respiratory diseases is presented...
September 6, 2016: Expert Review of Vaccines
https://www.readbyqxmd.com/read/27574522/neutrophil-extracellular-traps-in-pulmonary-diseases-too-much-of-a-good-thing
#19
REVIEW
Bárbara Nery Porto, Renato Tetelbom Stein
Neutrophil extracellular traps (NETs) arise from the release of granular and nuclear contents of neutrophils in the extracellular space in response to different classes of microorganisms, soluble factors, and host molecules. NETs are composed by decondensed chromatin fibers coated with antimicrobial granular and cytoplasmic proteins, such as myeloperoxidase, neutrophil elastase (NE), and α-defensins. Besides being expressed on NET fibers, NE and MPO also regulate NET formation. Furthermore, histone deimination by peptidylarginine deiminase 4 (PAD4) is a central step to NET formation...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27525668/effects-of-long-range-transported-air-pollution-from-vegetation-fires-on-daily-mortality-and-hospital-admissions-in-the-helsinki-metropolitan-area-finland
#20
Virpi Kollanus, Pekka Tiittanen, Jarkko V Niemi, Timo Lanki
INTRODUCTION: Fine particulate matter (PM2.5) emissions from vegetation fires can be transported over long distances and may cause significant air pollution episodes far from the fires. However, epidemiological evidence on health effects of vegetation-fire originated air pollution is limited, particularly for mortality and cardiovascular outcomes. OBJECTIVE: We examined association between short-term exposure to long-range transported PM2.5 from vegetation fires and daily mortality due to non-accidental, cardiovascular, and respiratory causes and daily hospital admissions due to cardiovascular and respiratory causes in the Helsinki metropolitan area, Finland...
August 12, 2016: Environmental Research
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