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Subject - Immunology

An antigen is (usually) an agent foreign to the body that elicits an immune reaction. Antigens can be peptides, polysaccharides, or polynucleotides.

See also: epitope

Recommended Learning Units

Autoimmune DiagnosticsLevel 140 min.

BiochemistryMedicinal Chemistry and BiochemistryImmunology

Autoimmune diseases can affect every organ in the human body. The symptoms of these diseases thus vary correspondingly. Very often, they resemble the symptoms of other diseases and are difficult to differentiate. Highly specific laboratory techniques are used to support formation of a diagnosis. These methods are described in this chapter.