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  • Title: Sensitization to serum albumins in children allergic to cow's milk and epithelia.
    Author: Vicente-Serrano J, Caballero ML, Rodríguez-Pérez R, Carretero P, Pérez R, Blanco JG, Juste S, Moneo I.
    Journal: Pediatr Allergy Immunol; 2007 Sep; 18(6):503-7. PubMed ID: 17680908.
    Abstract:
    Patients with persistent milk allergy and specific immunoglobulin E (IgE) to bovine serum albumin (BSA) have a greater risk of rhinoconjunctivitis and asthma because of animal dander. To prove the cross-reactivity between serum albumin (SA) of different mammals in milk, meat, and epithelia and determine if heat treatment of meats decrease the allergenicity of albumins. The study was performed using SDS-PAGE and IgE-immunoblotting using sera from eight patients sensitized to milk, BSA, and animal danders. Sera from non-allergic and only animal dander allergic subjects served as a control. With one exception, all patients' sera recognized SA in different meats (beef, lamb, deer, and pork), epithelia (dog, cat, and cow), and cow's milk. Some patients even were only sensitized to SA in meat and epithelia. Danders' allergic only recognized other proteins in epithelia but not SA. No patients reacted to SA from heated meat extracts. Serum albumin is an important allergen involved in milk, meat, and epithelia allergy. The first contact with SA was through cow's milk and patients developed sensitization to epithelia SA even without direct contact with animals. Patients with both BSA and cow's milk allergy must avoid raw meats and furry pets.
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