An antigen is a foreign substance that elicits a specific immune response or that itself is the target of such an immune response.
Detailed description
Antigens are generally foreign substances. They are recognized by antibodies and certain receptors on immune cells. Proteins, carbohydrates and lipids can function as an antigen.
Organ transplant patients usually have to take immunosuppressive drugs for the rest of their lives to prevent their bodies from rejecting the organs. This therapy suppresses the physiological immune response to tumors and infections. The therapeutic goal for this patient group is to achieve an ...