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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Molécula distintiva

Signature molecule (SIG-nuh-cher MAH-leh-kyool)
A biological molecule found in blood, other body fluids, or tissues that is a sign of a normal or abnormal process, or of a condition or disease. A signature molecule may be used to see how well the body responds to a treatment for a disease or condition. Also called biomarker and molecular marker.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.