health
New method advances cancer detection with a blood test
MethylScan analyzes so-called free DNA (cfDNA), small fragments of genetic material released into the blood when cells die.
TL;DR
- MethylScan is a new blood test developed by UCLA scientists for early and comprehensive disease detection.
- It analyzes cell-free DNA (cfDNA) fragments in the blood, specifically focusing on DNA methylation patterns.
- The method effectively reduces background noise from normal cells, improving the detection of cancer and liver diseases.
- Trials showed high accuracy, with a 98% specificity for cancer detection and a nearly 80% detection rate for high-risk liver cancer patients.
- The test can also identify the tissue of origin for detected signals, acting as a 'health radar' for the body.
- The potential cost of MethylScan is around $20, making it an affordable screening option.
- While further trials are needed, it represents a major advancement towards a single, universal blood test for disease detection.