Table 1.

Serum/plasma half-life of some proteins proposed as biomarkers of neurodegeneration.

Protein	Half-life	Reference
Neuron-specific enolase (NSE)	48 hr	[9]
S100β	20–120 minutes	[10, 11]
Glial fibrillary acidic protein (GFAP)	10–17 hr	[12]
Myelin basic protein (MBP)	4 hr (plasma) 12 minutes (serum)	[13]