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Cat allergy can be a problem of the past with a procedure created by scientists to reduce the reactivity that hypersensitive people exhibit towards the animals. This was done by stimulating the production of a particular arm of the immune system by injecting artificial cat proteins into study subjects. These subjects responded with a reduced allergic reaction when next exposed to cats. T cells are immune cells of the body, T-helper 1 cells are involved in autoimmune reactions, T-helper 2 cells are involved in allergies, and T-regulatory cells that regulate the reactions. When T-regulatory cells are deficient in the body, people suffer diseases such as asthma, atopy and eczema (skin disorder). By stimulating T-regulatory cells the allergic reaction mediated by T-helper 2 cells is downgraded, resulting in a less pronounced reaction to the allergen. Scientists are hoping they can reciprocate their finding to treat T-helper 1 mediated reactions, to help cure multiple sclerosis and type 1 diabetes.
Source: summary of medical news story as reported by e max health
About: Therapy to reduce allergies to cats
Date: 17 July 2005
Source: e max health
Author: Imperial College London
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