نتایج جستجو برای: hdm 4

تعداد نتایج: 1304326  

2016
Hadeesha Piyadasa Anthony Altieri Sujata Basu Jacquie Schwartz Andrew J. Halayko Neeloffer Mookherjee

House dust mite (HDM) challenge is commonly used in murine models of allergic asthma for preclinical pathophysiological studies. However, few studies define objective readouts or biomarkers in this model. In this study we characterized immune responses and defined molecular markers that are specifically altered after HDM challenge. In this murine model, we used repeated HDM challenge for two we...

2008
Catarina Almqvist Guy Marks Qiang Li Daniel Crisafulli Euan Tovey

WINNING ABSTRACT: Prior evidence has suggested a direct relationship between the level of house dust mite (HDM) allergen exposure, sensitisation and asthma. A recent cross-sectional study indicated a bell-shaped relationship between HDM exposure and sensitisation [1]. We examined the effects of cumulative HDM allergen exposure during the first 5 years of life on outcomes at age 5 years in Sydne...

2013
Roderick Peter Hafner Mark Larché Paul Laidler Pascal Hickey Jacques Hébert

Methods Potential T-cell epitopes were identified by algorithm, screened for ability to stimulate T-cell responses in exvivo blood samples from HDM allergic subjects and tested to confirm they did not cause basophil histamine release. A second group of HDM allergic subjects attended a challenge where Conjunctival Provocation Test (CPT) response and Early (EPSR) and Late Phase Skin Response (LPS...

2011
G Blumberga L Groes R Dahl

BACKGROUND   Specific immunotherapy is the only treatment with the potential to prevent progression of the allergic disease and the potential to cure patients. The immunomodulatory ability of SQ-standardized house dust mite (HDM) subcutaneous immunotherapy (SCIT) was investigated in patients with allergic asthma. METHODS Fifty-four adults with HDM-allergic asthma were randomized 1:1 to receiv...

2015
Mohamed A. Ghonim Kusma Pyakurel Salome V. Ibba Jeffrey Wang Paulo Rodriguez Amir A. Al-Khami Matthew R. Lammi Hogyoung Kim Arnold H. Zea Christian Davis Samuel Okpechi Dorota Wyczechowska Kamel Al-Ghareeb Moselhy S. Mansy Augusto Ochoa Amarjit S. Naura A. Hamid Boulares

Our laboratory established a role for poly(ADP-ribose)polymerase (PARP) in asthma. To increase the clinical significance of our studies, it is imperative to demonstrate that PARP is actually activated in human asthma, to examine whether a PARP inhibitor approved for human testing such as olaparib blocks already-established chronic asthma traits in response to house dust mite (HDM), a true human...

ژورنال: پژوهش در پزشکی 2018

Background: The chitinase-like protein, YKL-40, plays an important role in allergic diseases pathogenesis. Allergens induce its production from macrophages and epithelial cells. Some investigations indicated that loratadine has anti-inflammatory effects apart from its H1 receptors antagonist activity. We sought to know whether human epithelial cells and macrophages stimulated for YKL-40 synthes...

2014
Sijranke Post Irene H. Heijink Arjen H. Petersen Harold G. de Bruin Antoon J. M. van Oosterhout Martijn C. Nawijn

Aeroallergens such as house dust mite (HDM), cockroach, and grass or tree pollen are innocuous substances that can induce allergic sensitization upon inhalation. The serine proteases present in these allergens are thought to activate the protease-activated receptor (PAR)-2, on the airway epithelium, thereby potentially inducing allergic sensitization at the expense of inhalation tolerance. We h...

Journal: :American journal of physiology. Lung cellular and molecular physiology 2015
M de Vries L Hesse M R Jonker M van den Berge A J M van Oosterhout I H Heijink M C Nawijn

Most patients with allergic asthma are sensitized to house dust mite (HDM). The allergenicity of HDM largely depends on disruption of the integrity and proinflammatory activation of the airway epithelium. In this study, we hypothesized that Pim1 kinase activity attenuates HDM-induced asthma by preserving airway epithelial integrity. The effects of Pim1 kinase activity on barrier function and re...

Journal: :Journal of investigational allergology & clinical immunology 2009
S Michel N Yawalkar B Schnyder B Fischer A Helbling

BACKGROUND Aeroallergens from house dust mite (HDM) may be an important trigger in a subgroup of patients with atopic dermatitis (AD). HDM and cockroach (CR) contain cross-reactive allergens, such as tropomyosin. OBJECTIVE To investigate the diagnostic value of patch testing with an aeroallergen and the role of CR allergen and HDM allergen in persons with AD. METHODS We performed skin prick...

Journal: :The European respiratory journal 1992
H P Van Bever W J Stevens

The effect of hyposensitization (HS) upon the allergen evoked immediate asthmatic reaction (IAR), late asthmatic reaction (LAR) and upon bronchial reactivity towards histamine was examined. Eighteen young asthmatic patients were studied using a double-blind, placebo-controlled design. All were allergic to house dust mite (HDM) and demonstrated an IAR and a LAR after bronchial provocation with H...

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