It involves using the immune system, our natural system of defenses, to kill cancer cells. Currently, immunotherapy is only being used in the treatment of cancers which are not responsive to normal therapies including chemotherapeutics, radiation therapy, and surgery. Use molecules known antobodies to bind selectively to cancer cells. The protein guids the complex to the right cell, the cancer cell. In order for us to understand what cancer is, then, we must understand what exactly is meant by the word gene .
Gene is the word use to describe a small part of the master molecule of the cell, the DNA .
Simply put, our cells use certain ones of the 50,000 to give them some sort of identity so that they can carry out their function. And what are these functions, you ask. Well the answer may be the most fundamental principle of all biology. Right, it is because the heart uses different genes than the kidney.