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Last updated on Wednesday, April 15 2009 by gliageek

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Glial fibrillary acidic protein (GFAP) is the major intermediate filament expressed in astrocytes and ependyma.  Immunohistochemical staining with antibodies specific for GFAP consequently highlights these cells.

In the examples here, the regions which stain brown indicate the presence of GFAP.  The remaining, GFAP-negative areas show up as pale gray or light blue.