News tagged with allergens

Related topics: children , asthma

Researchers investigate nut allergy mechanisms

U.S. Department of Agriculture (USDA) scientists teamed with university collaborators to validate the ability of a database of allergenic proteins to predict when an individual will react to two or more different ...

Nov 18, 2013
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Defining allergy fact from fiction

From gluten allergy and hypoallergenic pets, to avoiding the flu shot because of an egg allergy, there are a lot of common myths and misconceptions about allergies. Many might be shocking due to a great deal of false information ...

Nov 07, 2013
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Exercise benefits people with asthma

Appropriate exercise programs can provide valuable benefits to people with asthma, helping to reduce the severity of attacks or prevent them entirely, finds a new evidence review in The Cochrane Library. The re ...

Sep 25, 2013
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Early-life probiotics reduce allergies, not asthma

(HealthDay)—Probiotic exposure in early life may reduce total immunoglobulin E level (IgE) and protect against atopic sensitization, but does not seem to protect against asthma/wheezing, according to a ...

Aug 20, 2013
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Rage against the disease

Imagine a world where asthma wasn't a chronic disease, rather an inconvenient illness whose first symptoms could be easily treated. This vision could one day become a reality thanks to cutting-edge research into an immune ...

Aug 05, 2013
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Allergen

An allergen is a nonparasitic antigen capable of stimulating a type-I hypersensitivity reaction in atopic individuals.

Most humans mount significant Immunoglobulin E (IgE) responses only as a defense against parasitic infections. However, some individuals mount an IgE response against common environmental antigens. This hereditory predisposition is called atopy. In atopic individuals, non-parasitic antigens stimulate inappropriate IgE production, leading to type I hypersensitivity. Sensitivities vary from one person to another and it is possible to be allergic to an extraordinary range of substances.

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