A doctor who specializes in diagnosing and treating disorders of the digestive system. The stomach and intestines. A thin, lighted tube used to view the inside of the stomach. An antineoplastic antibiotic drug that belongs to the family of drugs called ansamycins. An anticancer drug that belongs to the family of drugs called antimetabolites.
Monoclonal antibodies are laboratory-produced substances that can locate and bind to cancer cells.
The functional and physical unit of heredity passed from parent to offspring. Genes are pieces of DNA, and most genes contain the information for making a specific protein. The total loss or absence of a gene. In studies of gene therapy for cancer, researchers are trying to improve the body's natural ability to fight the disease or to make the cancer cells more sensitive to other kinds of therapy. Cells that have been altered to contain different genetic material than they originally contained.