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https://www.readbyqxmd.com/read/28724321/diospyros-kaki-calyx-inhibits-immediate-type-hypersensitivity-via-the-reduction-of-mast-cell-activation
#1
Min-Jong Kim, Hae Ran Park, Tae-Yong Shin, Sang-Hyun Kim
CONTEXT: Diospyros kaki L. (Ebenaceae) fruit is widely distributed in Asia and is known to exert anti-inflammatory and antithrombotic effects. OBJECTIVE: We evaluated the inhibitory effect of aqueous extract of D. kaki calyx (AEDKC) on mast cell-mediated immediate-type hypersensitivity and underlying mechanism of action. MATERIALS AND METHODS: For in vivo, ovalbumin (OVA)-induced active systemic anaphylaxis (ASA) and immunoglobulin (Ig) E-mediated passive cutaneous anaphylaxis (PCA) models were used...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28723905/evolution-of-anti-trypanosoma-cruzi-antibody-production-in-patients-with-chronic-chagas-disease-correlation-between-antibody-titers-and-development-of-cardiac-disease-severity
#2
Ingebourg Georg, Alejandro Marcel Hasslocher-Moreno, Sergio Salles Xavier, Marcelo Teixeira de Holanda, Eric Henrique Roma, Maria da Gloria Bonecini-Almeida
Chagas disease is one of the most important endemic infections in Latin America affecting around 6-7 million people. About 30-50% of patients develop the cardiac form of the disease, which can lead to severe cardiac dysfunction and death. In this scenario, the identification of immunological markers of disease progression would be a valuable tool for early treatment and reduction of death rates. In this observational study, the production of anti-Trypanosoma cruzi antibodies through a retrospective longitudinal follow-up in chronic Chagas disease patients´ cohort and its correlation with disease progression and heart commitment was evaluated...
July 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28722364/-allergy-to-human-seminal-plasma
#3
Laura Moi, Igor Salvadé, Camillo Ribi
Hypersensitivity to human seminal plasma is rare, but probably under-diagnosed. It should be suspected in women with unexplained anaphylaxis, vulvo-vaginitis, pelvic pain and dyspareunia. The diagnosis relies on the clinical presentation, the exclusion of other causes, a positive skin test result to seminal plasma and the detection of IgE directed to allergenic proteins (such as prostate specific antigen). Use of condoms is the best preventive measure. Premedication with antihistamines or anti-inflammatory agents is often unreliable...
April 5, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28721017/targeted-therapy-in-severe-asthma-today-focus-on-immunoglobulin-e
#4
REVIEW
Girolamo Pelaia, Giorgio Walter Canonica, Andrea Matucci, Rossella Paolini, Massimo Triggiani, Pierluigi Paggiaro
Asthma is a complex chronic inflammatory disease of multifactorial etiology. International guidelines increasingly recognize that a standard "one size fits all" approach is no longer an effective approach to achieve optimal treatment outcomes, and a number of disease phenotypes have been proposed for asthma, which has the potential to guide treatment decisions. Among the many asthma phenotypes, allergic asthma represents the widest and most easily recognized asthma phenotype, present in up to two-thirds of adults with asthma...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28704401/il-13-is-a-central-mediator-of-chemical-induced-airway-hyperreactivity-in-mice
#5
Fien C Devos, Lore Pollaris, Jonathan Cremer, Sven Seys, Tomoaki Hoshino, Jan Ceuppens, Karel Talavera, Benoit Nemery, Peter H M Hoet, Jeroen A J Vanoirbeek
BACKGROUND: While the importance of the Th2 cytokine IL-13 as a central mediator of airway hyperreactivity (AHR) has been described in allergic protein-induced asthma, this has never been investigated in chemical-induced asthma. OBJECTIVE: We examined the importance of IL-13 in a mouse model of chemical-induced AHR, using toluene-2,4-diisocyanate (TDI). METHODS: In a first set-up, wild type (WT) and IL-13 knockout (KO) C57Bl/6 mice were dermally treated on days 1 and 8 with 1% TDI or vehicle (acetone/olive oil) on both ears...
2017: PloS One
https://www.readbyqxmd.com/read/28704185/phenotypes-determined-by-cluster-analysis-in-moderate-to-severe-bronchial-asthma
#6
Vania M Youroukova, Denitsa G Dimitrova, Anna D Valerieva, Spaska S Lesichkova, Tsvetelina V Velikova, Ekaterina I Ivanova-Todorova, Kalina D Tumangelova-Yuzeir
BACKGROUND: Bronchial asthma is a heterogeneous disease that includes various subtypes. They may share similar clinical characteristics, but probably have different pathological mechanisms. AIM: To identify phenotypes using cluster analysis in moderate to severe bronchial asthma and to compare differences in clinical, physiological, immunological and inflammatory data between the clusters. PATIENTS AND METHODS: Forty adult patients with moderate to severe bronchial asthma out of exacerbation were included...
June 1, 2017: Folia Medica
https://www.readbyqxmd.com/read/28702854/gastroesophageal-reflux-disease-and-pulmonary-diseases-associated-with-aspergillosis-is-there-a-connection
#7
Maria N Gamaletsou, David W Denning
INTRODUCTION: We studied the relationship between GORD and allergic bronchopulmonary aspergillosis (ABPA), chronic pulmonary aspergillosis (CPA), or Aspergillus bronchitis. BACKGROUND: Gastroesophageal reflux disease (GORD) is well known to initiate or exacerbate pulmonary inflammatory conditions, inducing bronchial asthma and chronic obstructive lung disease. METHODS: We reviewed four patients referred with elevated Aspergillus serology markers and marked pulmonary symptoms for ABPA, CPA, and Aspergillus bronchitis, and discussed the underlying pathophysiological relationship with GORD...
July 12, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28701697/peptidomics-of-an-in-vitro-digested-%C3%AE-gal-carrying-protein-revealed-ige-reactive-peptides
#8
D Apostolovic, M Krstic, J Mihailovic, M Starkhammar, T Cirkovic Velickovic, C Hamsten, M van Hage
The mammalian carbohydrate galactose-α1,3-galactose (α-Gal) causes a novel form of food allergy, red meat allergy, where patients experience severe allergic reactions several hours after red meat consumption. Here we explored gastric digestion of α-Gal glycoproteins using an in vitro model. Bovine thyroglobulin (BTG), a typical α-Gal carrying glycoprotein, was digested with pepsin. The resulting peptides were characterised by SDS PAGE, immunoblot and ImmunoCAP using sera from 20 red meat allergic patients...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28696863/update-on-oral-immunotherapy-for-egg-allergy
#9
François Graham, Natacha Tardio, Louis Paradis, Anne Des Roches, Philippe Bégin
Oral immunotherapy (OIT) is an emerging treatment for IgE-mediated egg allergy. In the past decade, a multitude of studies have assessed the potential for egg OIT to induce clinical desensitization. The following review will evaluate the efficacy and safety of this therapy as determined by randomized controlled, non-randomized controlled and uncontrolled trials. Recent studies using reduced allergenic egg products and anti-IgE assisted therapy to improve egg OIT safety will also be discussed. Recent advances in the mechanisms underlying food OIT suggest that certain immune parameters may be helpful in monitoring response to therapy, including egg OIT...
July 11, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28696336/perspectives-on-exhaled-nitric-oxide
#10
Fabio Luigi Massimo Ricciardolo, Philip E Silkoff
The history of nitric oxide (NO) in respiratory field dates back to the beginning of '90s with the ancestral study by Lars Gustafsson et al. describing the presence of endogenous NO in the exhaled breath of human beings. Soon after, independent studies showed that exhaled NO concentrations (FENO) is higher in asthmatics than in normal subjects. Not all asthmatics demonstrate a high FENO reflecting heterogeneity of asthma. High values of FENO are associated with over-expression of corticosteroid-sensitive iNOS isoform and allergic/eosinophilic inflammation...
July 11, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28695805/clinical-analysis-of-77-patients-with-allergic-bronchopulmonary-aspergillosis-in-peking-union-medical-college-hospital
#11
Mingqiang Zhang, Jinming Gao
Objective To summarize the clinical features of allergic bronchopulmonary aspergillosis(ABPA)to facilitate its early diagnosis and treatment. Methods We retrospectively analyzed the clinical data of 77 patients who had been admitted to Peking Union Medical College Hospital from January 1996 to July 2015 with ABPA. Results The average age of these 77 patients(38 men and 39 women)was(41.8±18.3)years. The co-morbidities included bronchial asthma(n=74,96%)and pulmonary cystic fibrosis(n=3,4%). The main symptoms and signs of ABPA were chronic cough(100%),sputum production(97%),wheeze(86%),sputum plugs(25%),blood-stained sputum(18%),hemoptysis(9%),chest pain(9%),fever(47%),weight loss(30%),and night sweat(12%)...
June 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28691309/serial-d-dimer-plasma-levels-in-a-patient-with-chronic-spontaneous-urticaria-developing-resistance-to-omalizumab
#12
R Asero
Chronic spontaneous urticaria (CSU) is a condition presenting as the spontaneous occurrence of itchy weals with or without angio-oedema for > 6 weeks. A patient with severe chronic spontaneous urticaria who developed resistance to omalizumab is described. The patient's D-dimer plasma levels strictly paralleled the disease activity despite the administration of anti-IgE therapy.
July 10, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28686296/a-comparative-study-on-basophil-activation-test-histamine-release-assay-and-passive-sensitization-histamine-release-assay-in-the-diagnosis-of-peanut-allergy
#13
Lau Fabricius Larsen, Nanna Juel-Berg, Kirsten Skamstrup Hansen, E N Clare Mills, Ronald van Ree, Lars K Poulsen, Bettina M Jensen
BACKGROUND: Allergy can be diagnosed using basophil tests. Several methods measuring basophil activation are available. This study aimed at comparing basophil activation test (BAT), histamine release assay (HR) and passive sensitization histamine release assay (passive HR) in the diagnosis of peanut allergy. METHODS: BAT, HR, and passive HR were performed on eleven peanut allergic and fourteen non-allergic subjects. Blood was incubated with peanut extract or anti-IgE and tests performed as follows: BAT - CD63-upregulation assessed by flow cytometry; HR - released histamine quantified by a glass fiber-based fluorometric method; Passive HR - IgE-stripped donor basophils were incubated with participants' serum and histamine release quantified as HR...
July 7, 2017: Allergy
https://www.readbyqxmd.com/read/28680472/seroreactivity-to-anisakis-spp-in-the-perinatal-period
#14
Luciana Santos, Mauricio Vericimo, Gerlinde Teixeira, Sergio S Clemente, Israel Figueiredo
BACKGROUND: This study had sought to assess the seroreactivity to the fish nematode Anisakis spp. in a puerperal population, as well as to ascertain whether a correlation exists between maternal and cord blood levels. METHODS: Blood samples were obtained from puerperal women and cord blood to measure specific anti-Anisakis antigen IgG and IgE by ELISA. Non-parametric tests were used to compare two or more independent and related samples. RESULTS: Of the 99 maternal serum samples assessed, 21 were positive on ELISA (21...
June 2017: Obstetric Medicine
https://www.readbyqxmd.com/read/28679488/toward-a-new-kind-of-vaccine-a-logical-extension-of-the-symmetrical-immune-network-theory
#15
Reginald Gorczynski, Geoffrey Hoffmann
BACKGROUND: The symmetrical immune network theory, developed in 1975, is based on the existence of specific T cell factors and hypothesizes that normal IgG immune responses comprise the production of 2 kinds of antibodies, namely antigen-specific antibodies and anti-idiotypic antibodies. OBJECTIVE: The aim of this study was to confirm the existence of specific T cells factors and to show that immunization of C3H mice with BL/6 skin or using nominal antigen for immunization (Tetanus Toxoid) induced production of antigen-specific (anti-BL/6 or antitetanus) antibodies plus anti-idiotypic antibodies (C3H anti-anti-C3H)...
July 5, 2017: Interactive Journal of Medical Research
https://www.readbyqxmd.com/read/28672978/oral-administration-of-lactobacilli-isolated-from-jeotgal-a-salted-fermented-seafood-inhibits-the-development-of-2-4-dinitrofluorobenzene-induced-atopic-dermatitis-in-mice
#16
Mi-Sung Park, Nho-Eul Song, Sang-Ho Baik, Hyun-Ock Pae, Seong Hoon Park
Certain strains of lactobacilli have been reported to exert favorable effects on atopic dermatitis (AD). Jeotgal, a traditional Korean food, is a salted fermented seafood known to harbor many lactic acid bacteria. In the present study, two novel lactobacillus strains were isolated from Jeotgal, and their anti-AD effects were investigated. Lactobacilli isolated from Jeotgal were identified, according to conjugated linoleic acid-producing activity, as Lactobacillus plantarum (JBCC105645 and JBCC105683). AD-like skin lesions were induced in BALB/c mice using dinitrofluorobenzene (DNFB)...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28670695/meat-allergy-associated-with-%C3%AE-gal-closing-diagnostic-gaps-by-anti-%C3%AE-gal-ige-immune-profiling
#17
U Jappe, S Minge, B Kreft, A Ludwig, B Przybilla, A Walker, R Varga, P Seidel, T Biedermann, W Anemüller, A Kromminga, F Ruëff, H Merk, N Wagner, R Treudler, M Worm, I Waldmann, J Saloga, W M Becker, T Goldmann, T A Platts-Mills, A Homann
BACKGROUND: Glycoproteins and glycolipids of some mammalian species contain the disaccharide galactosyl-α-(1,3)-galactose (α-Gal). It is known that α-Gal is immunogenic in humans and causes glycan-specific IgG and also IgE responses with clinical relevance. α-Gal is part of the IgE-reactive monoclonal therapeutic antibody cetuximab and is associated with delayed anaphylaxis to red meat. In this study, different alpha-Gal-containing analytes are examined in singleplex and multiplex assays to resolve individual sensitization patterns with IgE against α-Gal...
July 3, 2017: Allergy
https://www.readbyqxmd.com/read/28670318/cigarette-smoke-increases-cd8%C3%AE-dendritic-cells-in-an-ovalbumin-induced-airway-inflammation
#18
Thayse Regina Brüggemann, Paula Fernandes, Luana de Mendonça Oliveira, Maria Notomi Sato, Mílton de Arruda Martins, Fernanda Magalhães Arantes-Costa
Asthma is an allergic lung disease and, when associated to cigarette smoke exposition, some patients show controversial signs about lung function and other inflammatory mediators. Epidemiologic and experimental studies have shown both increasing and decreasing inflammation in lungs of subjects with asthma and exposed to cigarette smoke. Therefore, in this study, we analyzed how cigarette smoke affects pro-inflammatory and anti-inflammatory mediators in a murine model of allergic pulmonary inflammation. We sensitized Balb/c mice to ovalbumin (OVA) with two intraperitoneal injections...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28667526/isolation-of-natural-anti-fc%C3%AE%C2%B5ri%C3%AE-autoantibodies-from-healthy-donors
#19
Monique Vogel, Michael P Horn
Natural antibodies are defined as antibodies detected in a healthy individual without active immunization. These antibodies are specific for exoantigens, as well as for autoantigens, mostly without any pathogenic role. Most of the studies conducted with natural (auto-) antibodies have been performed using affinity purified antibodies from individual sera or polyclonal Ig-preparations such as Intravenous Ig (IVIg). For in-depth analysis of such autoantibodies affinity-purified Ig-preparations from healthy individuals are of no use, as they are oligoclonal or polyclonal...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28665049/the-regulatory-role-of-dipeptidyl-peptidase-i-on-the-activation-of-immune-granulocytes
#20
Yi Chu, Yaming Guo, Andrew F Walls, Xiaoying Zhou
Dipeptidyl peptidase I (DPPI), a lysosomal cysteine protease, required for activation of serine proteases of granulocytes including mast cells (MCs), neutrophils (NPs) and others, which were found in synovial tissue of patients with rheumatoid arthritis (RA). But, the role of DPPI associated with those cells in RA development is unclear. In this study, the collagen-induced-arthritis (CIA) rat-model was employed to investigate the expression and activity levels of DPPI and its association with RA progress. Primary granulocytes were freshly extracted from bone-marrows of normal or CIA rats, human mast cell line LAD-2 and primary neutrophils, human-recombinant-DPPI, DPPI-inhibitor Gly-Phe-CHN2 , LTB4, anti-IgE antibody, calcium ionophore were used to study the regulatory role of DPPI in cell activations...
June 30, 2017: Cell Biology International
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