Immune response is the immunological response originating from immune system activation by antigens, including immunity to pathogenic microorganisms and its products, as well as autoimunity to self-antigens alergies, and graft ejections. In this process main cells involved are the T cells, B cells of lymphocytes, and macrophagea. These cells produce lymphokines that influence the other host cells activities. B cels mature to produce immunoglobulins or antibodies, that react eith antigens. At same time, macrophages are processing the antigens into immunogenic units which stimulate B lymphocites to differentiation into antibody secreting plasma cels, stimulating the T cells to realise lymphokines.
Complement is a group of normal serum proteins to aim immunity by becoming activated form as result of antigen-antibody interaction. The first contact with any antigen sensitize individal affected and promote the primary immmune response. Next of the sensitized individuals with same antigen result in a more rapid and massive reaction, called the secondary immune response („booster response“ or the „anamnestic reaction“) . It is most expressed in the level of circulating serum antibodies.
The immune respons can be transferred via serum antibodies introduction from sensitised to unsensitised individuals. It is highly specific for given antigen, and it is normaly directed against forein protein substances.
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