Sentences with phrase «excessive immune reaction»
This molecule probably serves as a «brake» leading to inactivation of the main function of Treg cells, which is to prevent excessive immune reactions.
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The study, published today in The Journal of Allergy and Clinical Immunology, found that an excessive inflammation reaction in older people can obstruct the immune system.
«Allergic reactions occur when the body's natural immune system overworks or has an excessive response to a harmless stimulus,» says Dr. Lee.
An allergic reaction occurs when a normally harmless substance, called an allergen, causes an abnormal and excessive immune response which leads to inflammation.