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Allergen immunotherapy. Allergen immunotherapy, also known as desensitization or hypo-sensitization, is a medical treatment for environmental allergies (such as insect bites) and asthma. [1] [2] Immunotherapy involves exposing people to larger and larger amounts of allergens in an attempt to change the immune system's response.
Immune tolerance, also known as immunological tolerance or immunotolerance, refers to the immune system 's state of unresponsiveness to substances or tissues that would otherwise trigger an immune response. It arises from prior exposure to a specific antigen [1] [2] and contrasts the immune system's conventional role in eliminating foreign ...
The complement system, also known as complement cascade, is a part of the humoral, innate immune system and enhances (complements) the ability of antibodies and phagocytic cells to clear microbes and damaged cells from an organism, promote inflammation, and attack the pathogen 's cell membrane. [1] Despite being part of the innate immune system ...
Washed red blood cells. Washed red blood cells are red blood cells that have had most of the plasma, platelets and white blood cells removed and replaced with saline or another type of preservation solution. [1] [2] The most common reason for using washed red blood cells in transfusion medicine is to prevent the recurrence of severe allergic ...
In hematology, red cell agglutination or autoagglutination is a phenomenon in which red blood cells clump together, forming aggregates. It is caused by the surface of the red cells being coated with antibodies. [1] : 98 This often occurs in cold agglutinin disease, a type of autoimmune hemolytic anemia in which people produce antibodies (termed ...
T-cells are white blood cells that play a key role in the body’s immune response. The study arrived at its findings by comparing blood samples from 19 people with lupus to blood samples from ...
White blood cells are part of the body's immune system. They help the body fight infection and other diseases. Types of white blood cells are granulocytes (neutrophils, eosinophils, and basophils), and agranulocytes ( monocytes, and lymphocytes (T cells and B cells)). [5] Myeloid cells ( myelocytes) include neutrophils, eosinophils, mast cells ...
By the researchers' recent count, 10.8 percent of U.S. adults have at least one current, true food allergy. About half of those people developed their food allergy before age 18, and a quarter had ...