The use of monoclonal antibodies to treat diseases is called immunotherapy therapy because each type of monoclonal antibody will target a specific targeted antigen in the body. Uses for monoclonal antibodies include: Cancer. Rheumatoid arthritis.Click to see full answer. Regarding this, what are two uses of monoclonal antibodies?Monoclonal antibodies can be designed to bind to, and identify, almost any substance. They can be used for many purposes: testing for pregnancy by detecting HCG hormones in urine. testing for diseases such herpes and chlamydia, and HIV which can lead to the development of AIDS.One may also ask, what are antibodies used for? Antibodies, also known as immunoglobulins, are Y-shaped proteins that are produced by the immune system to help stop intruders from harming the body. When an intruder enters the body, the immune system springs into action. These invaders, which are called antigens, can be viruses, bacteria, or other chemicals. Also, why are monoclonal antibodies important? Monoclonal antibodies (mAb) are important reagents used in biomedical research, in diagnosis of diseases, and in treatment of such diseases as infections and cancer. These antibodies are produced by cell lines or clones obtained from animals that have been immunized with the substance that is the subject of study.How are monoclonal antibodies used to treat cancer?Monoclonal antibody therapy is a kind of immunotherapy that empowers the body’s immune system to attack cancer cells. Monoclonal antibodies used in cancer treatment are designed in a lab to target certain antigens — foreign substances in the body — that live on the surface of cancer cells.