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NF-L Assay Fact Sheet

July 20, 2020

Neurofilament light (Nf-L) is a 68 kDa cytoskeletal intermediate filament protein that is expressed in neurons. It associates with the 125 kDa Neurofilament medium (NfM) and the 200 kDa  neurofilament heavy (NfH) to form neurofilaments.