KRAS gene

A gene that makes a protein that is involved in cell signaling pathways that control cell growth, cell maturation, and cell death. The natural, unchanged form of the gene is called wild-type . Mutated (changed) forms of the gene have been found in some types of cancer, including non-small cell lung cancer, colorectal cancer, and pancreatic cancer. These changes may cause cancer cells to grow and spread in the body. Knowing whether a patient’s tumor has a wild-type or mutated gene may help plan cancer treatment.

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