Neurofilament Light Chain (NfL)

Neurofilament Light Chain (NfL) is a protein found in nerve cells' internal support structures. When nerve cells are damaged or die, NfL is released into the bloodstream or cerebrospinal fluid. Measuring NfL levels can help detect and monitor neurodegenerative diseases like multiple sclerosis, Alzheimer's, and Parkinson's, as elevated levels often indicate nerve damage. It's a promising biomarker because it provides a non-invasive way to assess the health of nervous tissue and track disease progression or response to treatment.