New German cockroach allergens contribute to IgE and T cell reactivity
نویسندگان
چکیده
منابع مشابه
Effect of thermal processing on T cell reactivity of shellfish allergens - Discordance with IgE reactivity
Crustacean allergy is a major cause of food-induced anaphylaxis. We showed previously that heating increases IgE reactivity of crustacean allergens. Here we investigate the effects of thermal processing of crustacean extracts on cellular immune reactivity. Raw and cooked black tiger prawn, banana prawn, mud crab and blue swimmer crab extracts were prepared and IgE reactivity assessed by ELISA. ...
متن کاملReactivity of German cockroach allergen, Bla g 2, peptide fragments to IgE antibodies in patients' sera.
Bla g 2 is a cockroach allergen of great importance. This study was conducted to identify IgE-binding epitope(s) of Bla g 2 using the recombinant protein technique. Approximately 50% of tested sera showed IgE reactivity to Pichia-expressed Bla g 2 (PrBla g 2) and E. coli-expressed Bla g 2 (ErBla g 2). Only 5.3% of serum samples showed stronger reactivity to PrBla g 2 than ErBla g 2, indicating ...
متن کاملIgE binding reactivity of peptide fragments of Bla g 4, a major German cockroach allergen.
Cockroaches have been recognized as a major cause of asthma. Bla g 4 is one of the most important German cockroach allergens. The aim of this study is to investigate IgE reactivity to the recombinant Bla g 4 (rBla g 4) in the sera of allergic patients and identify linear IgE binding epitope. For protein expression, full-length Bla g 4 (EF202172) was divided into 5 overlapping peptide fragments ...
متن کاملIgE-binding reactivity of peptide fragments of Bla g 1.02, a major German cockroach allergen.
Cockroaches cause allergic diseases and are closely linked with the development of asthma. Bla g 1 is one of the major allergen proteins produced by German cockroaches. It consists of tandem repeats of approximately 100 amino acids. The aim of the present study was to identify linear IgE-binding epitopes of Bla g 1.02. RT-PCR was used to clone a cDNA sequence encoding Bla g 1.02 (EF202179) whic...
متن کاملCockroach allergens and asthma.
Asthma and allergy are the most common diseases associated with cockroach infestation of houses in the United States and other parts of the world. Sensitization and exposure to cockroach allergens is associated with increased asthma morbidity in the United States, especially among lower socioeconomic groups, including African American and Hispanic populations. Exposure to cockroach allergens in...
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ژورنال
عنوان ژورنال: Journal of Allergy and Clinical Immunology
سال: 2020
ISSN: 0091-6749
DOI: 10.1016/j.jaci.2019.12.388