What Role Do DNA Markers Play in Cancer Diagnosis?
DNA markers are invaluable in the early detection and diagnosis of cancer. Biomarkers can be identified in blood, tissue, and other bodily fluids, allowing for non-invasive testing. For example, the presence of BRCA1 and BRCA2 mutations can indicate a higher risk of breast and ovarian cancers. Similarly, mutations in the EGFR gene may be used to diagnose and tailor treatments for non-small cell lung cancer.
