Asthma

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OBJECTIVE: The aim of this study was to evaluate whether endemic areas for helminth infections in Brazil have lower rates of hospital admission due to asthma and whether reduction in helminth endemicity impacts on asthma morbidity. METHODS: This was a country-wide ecological study in Brazil. Government databases were the source of information. A cross-sectional analysis accessed the risk of a municipality having high rates of hospital admissions due to asthma according to its records of hospital admissions due to Schistossoma mansoni or intestinal helminth infections...

Major bibliographic databases were searched for studies examining the relationship between fruit and vegetable consumption and the risk of wheezing and asthma. Random-effects models were used to pool study results. Subgroup analyses were conducted by fruit and vegetable categories, study design, and age group. Twelve cohorts, 4 population-based case-control studies, and 26 cross-sectional studies published between January 1990 and July 2013 were identified. For the meta-analysis of adults and children, the relative risk (RR) and confidence intervals (CI) when comparing the highest intake group with the lowest intake group were 0...

OBJECTIVE: To investigate the function of interleukin-33 (IL-33) in the asthmatic airway remodeling and the relationship between IL-33 and asthma severity. METHODS: IL-33 levels, sputum eosinophils percentage (EOS%), pulmonary function and total immunoglobulin (IgE) were measured for 45 patients with asthma and 40 non-allergic controls. Asthma severity was assessed. The expressions of IL-33 and reticular basement membrane (RBM) on bronchial biopsy specimens from eight asthma patients and eight non-allergic controls were observed after hematoxylin-eosin staining (HE) and immunohistochemical staining...