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asthma biologics

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https://www.readbyqxmd.com/read/28931832/mediating-role-of-trpv1-ion-channels-in-the-co-exposure-to-pm2-5-and-formaldehyde-of-balb-c-mice-asthma-model
#1
Jing Song, Jun Kang, Bencheng Lin, Jinquan Li, Yuqing Zhu, Junting Du, Xu Yang, Zhuge Xi, Rui Li
Asthma is a complex pulmonary inflammatory disease that can be promoted by air pollutants such as PM2.5 and formaldehyde (FA). However, existent experimental evidence principally focuses on the negative influence of a single air pollutant, neglecting the possible synergistic effect in biological responses to mixture of these pollutants, a more common situation in our daily life. In this study, allergic Balb/c mice were exposed to a mixture of PM2.5 and FA, and their toxicological effects and mechanisms were explored...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28929293/predictive-biomarkers-for-asthma-therapy
#2
REVIEW
Sarah K Medrek, Amit D Parulekar, Nicola A Hanania
PURPOSE OF REVIEW: Asthma is a heterogeneous disease characterized by multiple phenotypes. Treatment of patients with severe disease can be challenging. Predictive biomarkers are measurable characteristics that reflect the underlying pathophysiology of asthma and can identify patients that are likely to respond to a given therapy. This review discusses current knowledge regarding predictive biomarkers in asthma. RECENT FINDINGS: Recent trials evaluating biologic therapies targeting IgE, IL-5, IL-13, and IL-4 have utilized predictive biomarkers to identify patients who might benefit from treatment...
September 19, 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28923762/translating-basic-research-into-clinical-practice-vitamin-d-in-asthma-mechanisms-of-action-and-considerations-for-clinical-trials
#3
REVIEW
Paul E Pfeffer, Catherine M Hawrylowicz
There is increasing interest in the therapeutic utility of vitamin D in asthma, supported by a significant body of evidence on epidemiological associations between vitamin D insufficiency and worse asthma control. In support of a causal relationship, vitamin D beneficially modulates diverse immunological pathways in heterogeneous asthma endotypes, regulating the actions of lymphocytes, mast cells, antigen-presenting cells and structural cells to dampen excessive inflammatory responses. Allergic asthma is characterised by a failure of immune tolerance, and development of pathological responses to inhaled aeroallergens, and vitamin D has been extensively shown to support immune regulation...
September 15, 2017: Chest
https://www.readbyqxmd.com/read/28919788/innovative-treatments-for-severe-refractory-asthma-how-to-choose-the-right-option-for-the-right-patient
#4
REVIEW
Francesco Menzella, Carla Galeone, Francesca Bertolini, Claudia Castagnetti, Nicola Facciolongo
The increasing understanding of the molecular biology and the etiopathogenetic mechanisms of asthma helps in identification of numerous phenotypes and endotypes, particularly for severe refractory asthma. For a decade, the only available biologic therapy that met the unmet needs of a specific group of patients with severe uncontrolled allergic asthma has been omalizumab. Recently, new biologic therapies with different mechanisms of action and targets have been approved for marketing, such as mepolizumab. Other promising drugs will be available in the coming years, such as reslizumab, benralizumab, dupilumab and lebrikizumab...
2017: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/28918644/anti-ige-and-anti-il5-biologic-therapy-in-the-treatment-of-nasal-polyposis-a-systematic-review-and-meta-analysis
#5
Alexander Rivero, Jonathan Liang
OBJECTIVE: To determine the role of biologic therapy on sinonasal symptoms and objective outcomes in chronic rhinosinusitis with nasal polyposis (CRSwNP). METHODS: PubMed, OVID MEDLINE, and Cochrane Central were reviewed from 2000 to 2015. Inclusion criteria included English-language studies containing original data on biologic therapy in CRSwNP patients with reported outcome measures. Two investigators independently reviewed all manuscripts and performed quality assessment and quantitative meta-analysis using validated tools...
September 1, 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28918442/the-role-of-periostin-in-lung-fibrosis-and-airway-remodeling
#6
REVIEW
David N O'Dwyer, Bethany B Moore
Periostin is a protein that plays a key role in development and repair within the biological matrix of the lung. As a matricellular protein that does not contribute to extracellular matrix structure, periostin interacts with other extracellular matrix proteins to regulate the composition of the matrix in the lung and other organs. In this review, we discuss the studies exploring the role of periostin to date in chronic respiratory diseases, namely asthma and idiopathic pulmonary fibrosis. Asthma is a major health problem globally affecting millions of people worldwide with significant associated morbidity and mortality...
September 16, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28915943/derivatization-enhanced-separation-and-sensitivity-of-long-chain-free-fatty-acids-application-to-asthma-using-targeted-and-non-targeted-liquid-chromatography-mass-spectrometry-approach
#7
Xiqing Bian, Baoqing Sun, Peiyan Zheng, Na Li, Jian-Lin Wu
Long chain-free fatty acids (LCFFAs) play pivotal roles in various physiological functions, like inflammation, insulin resistance, hypertension, immune cell behavior and other biological activities. However, the detection is obstructed by the low contents, structural diversity, high structural similarity, and matrix interference. Herein, a fast cholamine-derivatization, within 1 min at room temperature, coupled with liquid chromatography-mass spectrometry (LC-MS) approach was developed to determine LCFFAs in complex samples...
October 9, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28915273/longitudinal-co-variations-between-inflammatory-cytokines-lung-function-and-patient-reported-outcomes-in-patients-with-asthma
#8
Karin Lodin, Mats Lekander, Jörgen Syk, Kjell Alving, Predrag Petrovic, Anna Andreasson
BACKGROUND: Asthma is a chronic inflammatory respiratory disorder associated with reduced lung function and poor quality of life. The condition is also associated with poor self-rated health, a major predictor of objective health trajectories. Of biological correlates to self-rated health, evidence suggests a role for inflammatory cytokines and related sickness behaviours. However, this is mainly based on cross-sectional data, and the relation has not been investigated in patients with chronic inflammatory conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28913985/asthma-biomarkers-do-they-bring-precision-medicine-closer-to-the-clinic
#9
REVIEW
Ioana Agache, Liliana Rogozea
Measurement of biomarkers has been incorporated within clinical research of asthma to characterize the population and to associate the disease with environmental and therapeutic effects. Regrettably, at present, there are no specific biomarkers, none is validated or qualified, and endotype-driven choices overlap. Biomarkers have not yet reached clinical practice and are not included in current asthma guidelines. Last but not least, the choice of the outcome upholding the value of the biomarkers is extremely difficult, since it has to reflect the mechanistic intervention while being relevant to both the disease and the particular person...
November 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28913336/anti-interleukin-5-il-5-and-il-5ra-biological-drugs-efficacy-safety-and-future-perspectives-in-severe-eosinophilic-asthma
#10
REVIEW
Diego Bagnasco, Matteo Ferrando, Gilda Varricchi, Francesca Puggioni, Giovanni Passalacqua, Giorgio Walter Canonica
The definition of asthma has changed considerably in recent years, to the extent that asthma is no longer considered a single disease but a heterogeneous disorder that includes several phenotypes and, possibly, endotypes. A more detailed analysis of the immunological mechanisms underlying the pathogenesis of asthma shows interleukin 5 (IL-5) to be a crucial cytokine in several asthma phenotypes. In fact, IL-5 exerts selective action on eosinophils, which, in turn, sustain airway inflammation and worsen asthma symptoms and control...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28910970/antibody-therapy-for-the-management-of-severe-asthma-with-eosinophilic-inflammation
#11
Ken Ohta, Hiroyuki Nagase, Maho Suzukawa, Shin Ohta
One of the characteristic features of asthma is chronic airway inflammation typically with eosinophil infiltration. Most asthmatics can be treated successfully with conventional treatment appropriate for their severity, but in some severe cases, asthma cannot be well controlled even with thorough treatment and this condition is known as 'refractory asthma'. To overcome severe refractory asthma, a new therapeutic strategy with biologics has been developed based on the knowledge of molecular mechanisms of airway inflammation in asthma, induced by the condition of high Th2-type responses and activation of eosinophils as well as allergic reactions...
July 1, 2017: International Immunology
https://www.readbyqxmd.com/read/28910142/distinct-phenotypes-of-smokers-with-fixed-airflow-limitation-identi%C3%AF-ed-by-cluster-analysis-of-severe-asthma
#12
Satoshi Konno, Natsuko Taniguchi, Hironi Makita, Yuji Nakamaru, Kaoruko Shimizu, Noriharu Shijubo, Satoshi Fuke, Kimihiro Takeyabu, Mitsuru Oguri, Hirokazu Kimura, Yukiko Maeda, Masaru Suzuki, Katsura Nagai, Yoichi M Ito, Sally E Wenzel, Masaharu Nishimura
RATIONALE: Smoking may have multifactorial effects on asthma phenotypes, particularly in severe asthma. Cluster analysis has been applied to explore novel phenotypes, which are not based on any priori hypotheses. OBJECTIVE: To explore novel severe asthma phenotypes by cluster analysis when including smoking asthmatics. METHODS: We recruited a total of 127 subjects with severe asthma, including 59 current or ex-smokers, from our university hospital and its 29 affiliated hospitals/pulmonary clinics...
September 14, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28906154/moving-toward-consensus-on-diagnosis-and-management-of-severe-asthma-in-adults
#13
Daniel Colodenco, Oscar Palomares, Carlos Celis, Alan Kaplan, Christian Domingo
Asthma is a considerable health problem with an increasing global prevalence. The burden of severe asthma is expected to notably increase in the following years. Some misleading concepts that sometimes appear in the literature can drive the physician responsible for the patient's management to make incorrect decisions. Furthermore, some of the concepts that appear in the literature and in the guidelines may be not be clear to understand, to follow or to adapt to the regional and local realities. This could again drive the physicians responsible of the patient's management to make incorrect clinical judgements...
September 14, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28899938/phase-three-studies-of-biologics-for-severe-asthma-could-do-better
#14
EDITORIAL
Douglas S Robinson, Harsha H Kariyawasam, Liam G Heaney
No abstract text is available yet for this article.
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28895020/role-of-type-2-innate-lymphoid-cells-in-allergic-diseases
#15
REVIEW
Lorenzo Cosmi, Francesco Liotta, Laura Maggi, Francesco Annunziato
PURPOSE OF REVIEW: The adaptive immune response orchestrated by type 2 T helper (Th2) lymphocytes, strictly cooperates with the innate response of group 2 innate lymphoid cells (ILC2), in the protection from helminths infection, as well as in the pathogenesis of allergic disease. The aim of this review is to explore the pathogenic role of ILC2 in different type 2-mediated disorders. RECENT FINDINGS: Recent studies have shown that epithelial cell-derived cytokines and their responding cells, ILC2, play a pathogenic role in bronchial asthma, chronic rhinosinusitis, and atopic dermatitis...
September 11, 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28891433/innate-lymphoid-cells-mediate-pulmonary-eosinophilic-inflammation-airway-mucous-cell-metaplasia-and-type-2-immunity-in-mice-exposed-to-ozone
#16
Kazuyoshi Kumagai, Ryan P Lewandowski, Daven N Jackson-Humbles, Nicholas Buglak, Ning Li, Kaylin White, Steven J Van Dyken, James G Wagner, Jack R Harkema
Exposure to elevated levels of ambient ozone in photochemical smog is associated with eosinophilic airway inflammation and nonatopic asthma in children. In the present study, we determined the role of innate lymphoid cells (ILCs) in the pathogenesis of ozone-induced nonatopic asthma by using lymphoid cell-sufficient C57BL/6 mice, ILC-sufficient Rag2(-/-) mice (devoid of T and B cells), and ILC-deficient Rag2(-/-)Il2rg(-/-) mice (depleted of all lymphoid cells including ILCs). Mice were exposed to 0 or 0.8 parts per million ozone for 1 day or 9 consecutive weekdays (4 hr/day)...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28888244/new-and-anticipated-therapies-for-severe-asthma
#17
Stephen P Peters, William W Busse
Asthma is frequently undertreated, resulting in a relatively high prevalence of patients with uncontrolled disease, characterized by the presence of symptoms and risk of adverse outcomes. Patients with uncontrolled asthma have a higher risk of morbidity and mortality, underscoring the importance of identifying uncontrolled disease and modifying management plans to improve control. Several assessment tools exist to evaluate control with various cutoff points and measures, but these tools do not reliably correlate with physiological measures and should be considered a supplement to physiological tests...
September 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28887720/early-folic-acid-supplement-initiation-and-risk-of-adverse-early-childhood-respiratory-health-a-population-based-study
#18
Vivian H Alfonso, Gretchen Bandoli, Ondine von Ehrenstein, Beate Ritz
Objectives Folate plays a vital role in biologic functions yet women often do not meet the recommended dietary intake in pregnancy. It has been suggested that high folic acid intake during pregnancy may increase the risk of respiratory diseases in offspring. However, findings from observational studies in human populations are inconclusive. Methods In this population-based study, we collected self-reported folic acid and prenatal vitamin supplement use during pregnancy 3-6 months postpartum from mothers in Los Angeles whose children were born in 2003...
September 8, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28880396/drug-repurposing-to-treat-asthma-and-allergic-disorders-progress-and-prospects
#19
REVIEW
Robert L Kruse, Kristine Vanijcharoenkarn
Allergy and atopic asthma have continued to become more prevalent in modern society despite the advent of new treatments, representing a major global health problem. Common medications such as antihistamines and steroids may have undesirable long-term side effects and lack efficacy in some resistant patients. Biologic medications are increasingly given to treat resistant patients, but they can represent high costs, complex dosing and management, and are not widely available around the world. The field needs new, cheap and convenient treatment options in order to bring better symptom relief to patients...
September 7, 2017: Allergy
https://www.readbyqxmd.com/read/28879503/asthma-phenotypes-and-endotypes-implications-for-personalised-therapy
#20
Katrina Dean, Robert Niven
Asthma is increasingly recognised as a heterogeneous group of diseases with similar clinical presentations rather than a singular disease entity. Asthma was historically categorised by clinical symptoms; however, newer methods of subgrouping, describing and categorising the disease have sub-defined asthma. These sub-definitions are intermittently called phenotypes or endotypes, but the real meanings of these words are poorly understood. Novel treatments are currently and increasingly available, partly in the monoclonal antibody environment, and also some physical therapies (bronchial thermoplasty), but additionally small molecules are not far away from clinical practice...
September 6, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
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