Biomarker
A measurable biological signal used to detect disease or predict treatment response.
What it is
A biomarker is a measurable sign in the body that can indicate the presence of a disease, such as cancer. It's like a warning flag that doctors can look for to help diagnose a condition. Biomarkers can also be used to predict how well a person might respond to a particular treatment.
How it works
Biomarkers are often found in bodily fluids like blood or urine, or in tissue samples. They can be measured using various tests, such as blood tests or imaging scans. In some cases, biomarkers are proteins or other molecules that are produced by cancer cells, while in other cases, they're substances that are affected by the presence of cancer.
Why it matters
Understanding biomarkers is important because it can help doctors make more accurate diagnoses and choose the best treatments for patients. Biomarkers can also help researchers develop new treatments and improve existing ones. By studying biomarkers, scientists can gain a better understanding of how cancer develops and grows, which can lead to better patient outcomes.
This information is provided for general education only and is not medical advice. Always consult a qualified healthcare professional for guidance on your health.