AN SC 215 Lecture Notes - Lecture 15: Cat-Scratch Disease, Pasteurella, Hygiene Hypothesis
Document Summary
Pet effects on human health: allergies and injuries. *large increase in incidence of allergic diseases and asthma in westernized/developed countries over the last 15-20 years. Brief description of allergies= imbalance of white blood cells. Incidence: cat owners can carry allergen into public places like schools, cat and dog allergens are airborne- difficult to remove from the environment. Th1/th2 imbalance: many people allergic to dogs, cats and other animals. Feline antigen is a protein: fel d1. Produced in saliva and sebaceous glands of skin: production may be under hormonal control; maybe less incidence in spay/neutered pets, airborne. Canine antigen is a protein: can d1. Airborne: severity of allergies: mild to severe. Living with pets and allergies: symptomatic treatment. Allerca lifestyle hypoallergenic cats (www. allerca. com) mutations in gene) induce reaction. Selective breeding based on bioinformatics (selected for cats with. Produce fel d1-protein at a different molecular weight that doesn"t. Genetic selection selected for certain fel d1 cats, bred them.
