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Crohn's disease is an auto-immune disorder where the immune system attacks the cells of the small intestines. It is treated by monthly infusions of Remicade, which suppresses the immune system.
Memory B-cells
T-cells
T-cells
No, AIDS stands for Acquired Immune Deficiency Syndrome, and is a disease of the immune system caused by a virus, not a cancer. It does progressively reduce the effectiveness of the immune system and leaves individuals susceptible to opportunistic infections and tumors.
An immune response is part of the body's defense against pathogens in which cells of the immune system react to each kind of pathogen with a defense targeted specifically toward that pathogen.
The molecules on pathogens that enable the immune system to distinguish one kind of pathogen from another are called antigens. Antibodies destroy pathogens by binding to the antigens on the pathogen.
HIV infects cells in the central nervous system and the immune system. HIV's main target cell is the T helper lymphocyte. These cells play a crucial role in the immune system, by coordinating the actions of other immune system cells. A large reduction in the number of T helper cells seriously weakens the immune system3
any kind of food.
Vaccinations can have a wide variety of effects on people. This can depend on what kind of vaccination they get, and their own personal immune system or weaknesses.
Immune system consists of special cells called antibodies. Whenever a foreign bacteria or virus arrives in the organism an antibody cell idetifies and neutralize the object. However, antibodies are not universal and cannot deal with everything. So, if the virus is new to the person, it takes time for the immune system to figure out what kind of antibody to produce in order to neutralize the virus.