allergen


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Related to allergen: Allergen immunotherapy

allergen

any substance capable of inducing an allergy

allergen

[′al·ər‚jen]
(immunology)
Any antigen, such as pollen, a drug, or food, that induces an allergic state in humans or animals.
References in periodicals archive ?
If you are genetically predisposed to allergies, following exposure to an allergen, your body's immune system's cells produce antibodies called IgE, or immunoglobulin E.
In a letter to Agriculture Secretary Mike Johanns, Harkin notes that under a federal law signed by President Bush last August, food manufacturers regulated by FDA will be required to list on the label major allergens in foods they produce.
These Y-shaped molecules are trained to recognize a specific allergen and alert the body's defenses.
Cockroach allergen levels were higher in high-rise apartments.
All of the 823 homes that were surveyed for cat allergen had detectable levels in at least one location.
ImmunoRCA assays on allergen microarrays were carried out on all 44 samples as described previously with minor modifications (8).
New more effective HEPA filters available from allergy marketers can effectively reduce the cross-migration of allergen dust by 90% or even more when treated with spray-on or dip-coat tackomer solutions offered by several manufacturers.
19] Only those skin tests that can quantify the patient's sensitivity to each individual allergen will provide the information necessary to formulate a treatment program that will achieve optimal therapeutic results.
Cockroach droppings produce a potent allergen and are one of the five major asthma triggers.
Dust mites and other allergens are in dirt and may be deeply embedded," said Donald Coates, Ph.
When allergic persons first come into contact with an allergen, their immune systems treat the allergen as an invader and mobilize to attack.
alternata produced, in addition to the major allergen protein mixture (94, 77, 66 and 59 Kda MW by immunoblotting) a related cross-reacting protein (16 and 18 Kda MW), antigenic and immunogenic for the production of IgG antibodies but with little or no allergenic activity (hypoallergen).