On Thursday, May 9, 2013
Antigen-Antibody reactions refer to the interaction between antigens and antibodies. These are reactions are studied under two different headings namely in vivo and in vitro reactions.
In vivo Ag-Ab reactions:
These reactions
refer to the Ag-Ab reactions occurring inside the host. In the body, they form
the basis of antibody mediated immunity in infectious diseases or of tissue
injury in some types of hypersensitivity and autoimmune diseases. Functions of
antibodies are also included under this category. They are
a.
Agglutination
b.
Neutralization
c.
Opsonization (IgG1 and 3)
d.
Complement fixation (IgM and IgG)
e.
Induction of inflammation (IgE)
