| IF type | Subunit | Cell type |
|---|---|---|
| Type III | Vimentin | Neural and glial precursors |
| GFAP | Astrocytes, some Schwann cells | |
| Peripherin | Subset of neurons, particularly in PNS, may coassemble with NFH/NFM/NFL | |
| Desmin | Smooth muscle cells in vasculature | |
| Type IV | NFH | Most neurons, most abundant in large neurons |
| NFM | ||
| NFL | ||
| α-Internexin | Subset of neurons, particularly parallel fibers in cerebellum, may also coassemble with NFH/NFM/NFL | |
| Type IV? | Nestin | Neuroectodermal precursors in developing brain |
GFAP, glial fibrillary acidic protein; NFH, NFM and NFL, neurofilaments of high, medium and low molecular weight, respectively.
From: Molecular Components of the Neuronal Cytoskeleton
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