
Neurofilamentscanbedefinedastheintermediateor10nmfilamentsfoundinspecificallyinneuronalcells.Intheelectronmicroscopeneurofilamentsappearsas10nmdiameterfibresofindeterminatelengthwhichgenerallyhavefinewispyprotrusionsfromtheirsides.Theyarefoundparticularlyabundantlyinaxonsoflargeprojectionneurons.AntibodiestothevariousneurofilamentsubunitsareveryusefulcelltypeMarkerssincetheproteinsareamongthemostabundantofthenervoussystem,areexpressedonlyinneurons,andarebiochemicallyverystable.
Viewofmixedneuron/glialculturesstainedwithNeurofilament-M(red).TheNF-Mproteinisassembledintoneurofilamentswhicharefoundthroughouttheaxons,dendritesandperikaryaofthesecells.Protocolandatasheet.
Neurofilament-M (NF-M)is themediumormiddlerunsatabout145-160kDa.