Egg antibodies in cat food may fight human allergies

Researchers found that when egg IgY antibodies are introduced to cats’ diets they result in reduced activity of the Fel d1 allergen in cats’ saliva.


Antibodies start fighting infection in animals’ bodies by attaching to invading organisms, or other things the body identifies as a threat such as allergens. Once attached, the antibodies either block the foreign body’s activity or mark it for destruction by other cells. Using that knowledge, scientists found an antibody in eggs that, when included in cats’ diets, can neutralize a chemical involved in human’s allergic reaction to felines. They presented their findings at the European Academy of Allergy and Clinical Immunology (EAACI) Congress in June. Read more.

Wall, Tim. “Egg Antibodies in Cat Food May Fight Human Allergies.”,, 13 Aug. 2019,


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