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Immunotherapy: A New Age of Cancer Treatment The growing number of reports documenting successful immunotherapy of tumor patients and the increasing knowledge of the mechanisms governing immune reactions against tumor cells warrant further experimental efforts in this area. Currently, the most widely method of treating cancer is through: chemotherapy, radiation therapy, and surgery. However, immunotherapy represents the new age of cancer treatment. In this research we looked at several different immunotherapy strategies in order to validate the idea that immunotherapy is a viable method of cancer treatment. Every year, about 1.25 million people in the United States are diagnosed with life-threatening forms of cancer (NIH, 1995). For the past four-decades, both the incidence and age-adjusted death rate from cancer in America has been steadily increasing. Cancer is defined as an abnormal growth, caused by underlying disease involving the whole body. It is not just limited to a lump or bump (NIH, 1995). Doctors today try to control cancer in three ways: surgery, chemotherapy, and radiation. The latter two of these methods are harmful to the body in that they are invasive towards both cancerous a
Thus, it is the purpose of this investigation to look at immunotherapy as a new method of treating cancer. Components of the immune system that are capable of recognizing cancer cells have been identified in patients with certain cancers. Hence, this particular exper!iment demonstrated that monoclonal antibody directed against a normal differentiation antigen could influence tumor growth in vivo without significant adverse effects (Bernstein, 1980). Interleukins activate the body's own lymphocytes to kill cancer cells (natural Killer cells). Currently, several forms of immunotherapy are being explored in research laboratories and clinical trials. Tumor Antigen Presentation: Changing the Rules Cancer Immunology Immunotherapy, Vol:46, 2, 1998. Tim Steele, an assistant professor in the Division of Basic Medical Sciences, injects tumor cells into the abdominal cavities of mice. In this study treatment consisted of an intravenous infusion of 100 microliters of ascites fluid and 100 microliters of complement (Bernstein, 1980).
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