نتایج جستجو برای: allergic mucin
تعداد نتایج: 46787 فیلتر نتایج به سال:
Mucus hypersecretion by airway epithelium is a hallmark of inflammation in allergic asthma and results in airway narrowing and obstruction. Others have shown that administration a TH2 cytokine, IL-13 is sufficient to cause mucus hypersecretion in vivo and in vitro. Asthma therapy often utilizes β2-adrenoceptor (β2AR) agonists, which are effective acutely as bronchodilators, however chronic use ...
Allergic fungal rhino sinusitis (AFRS) is a non-invasive resulting from an allergic and immunologic response to the presence of extramucosal hyphae in sinuses. Defined largely by mucin, which thick, tenacious, eosinophilic secretion with characteristic histologic findings. To present case series on variable presentations patients diagnosed AFRS. A retrospective study 10 cases that presented Raj...
Allergic fungal rhinosinusitis (AFRS) is characterized by the growth of fungi, mostly Aspergillus sp., in the paranasal sinuses together with the formation of nasal polyps, peanut-butter like “allergic mucin” with fungal hyphae and typical CT-findings, as well as increased serum total IgE and Aspergillus-specific IgE concentrations. We here hypothesize that the increase in serum total IgE is ca...
BACKGROUND Allergic asthma is on the rise in developed countries. A common characteristic of allergens is that they contain intrinsic protease activity, and many have been shown to activate protease-activated receptor (PAR)-2 in vitro. The role for PAR-2 in mediating allergic airway inflammation has not been assessed using a real world allergen. METHODS Mice (wild type or PAR-2-deficient) wer...
BACKGROUND TIM-1, a member of the T cell immunoglobulin and mucin (TIM) domain family, is involved in T-cell differentiation and has been implicated in allergic diseases. An association between TIM-1 and allergic rhinitis, however, has not been established. OBJECTIVE To investigate whether TIM-1 gene polymorphisms were associated with allergic rhinitis in a Han Chinese population. METHODS T...
Mucus hypersecretion contributes to morbidity and mortality in many obstructive lung diseases. Gel-forming mucins are the chief glycoprotein components of airway mucus, and elevated expression of these during mucous metaplasia precedes the hypersecretory phenotype. Five orthologous genes (MUC2, MUC5AC, MUC5B, MUC6, and MUC19) encode the mammalian gel-forming mucin family, and several have been ...
BACKGROUND Chronic rhinosinusitis consists of several disease processes. Eosinophilic mucin is found in the subtypes of allergic fungal sinusitis (AFS) and eosinophilic mucin chronic rhinosinusitis (EMCRS). These entities frequently require surgical intervention and have high recurrence rates. OBJECTIVE We aimed to determine factors in patients with AFS and EMCRS that may be associated with a...
Abstract Background Chronic rhinosinusitis with nasal polyps (CRSwNP) is an allergic response characterized by type 2 inflammatory reactions mediated T helper cells (Th2). Th2 elevated cytokines related to the humoral response, including Interleukin-4 (IL-4), IL-5, IL-6, IL-9, IL-10, IL-13, IL-25 and IL-33. Allergic fungal sinusitis (AFS) a distinguishable form of CRSwNP primary localized disea...
In asthma, airflow obstruction is thought to result primarily from inflammation-triggered airway smooth muscle (ASM) contraction. However, anti-inflammatory and smooth muscle-relaxing treatments are often temporary or ineffective. Overproduction of the mucin MUC5AC is an additional disease feature that, while strongly associated pathologically, is poorly understood functionally. Here we show th...
Oroxylum indicum has long been used in Asian traditional medicine to prevent and treat respiratory diseases, diabetes, diarrhea and other conditions. Oroxylin A is a flavone that is present in Oroxylum indicum and in Scutellaria baicalensis. Because the root extracts of both plants have been shown to have anti-allergic effects, the authors investigated whether oroxylin A is likely to have benef...
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