Figure 1.
Immunohistochemistry. A: Positive SOX2-staining in Purkinje cells. DAB, ×200. B: Positive glial nuclei in thalamus. DAB, ×400. C: Long-lasting fibrous reactive astrocytes with SOX2-negative nuclei. Double staining GFAP-SOX2, ×400. D: Young reactive astrocytes with short processes. SOX2-positive nuclei. Double staining GFAP-SOX2, ×400. E: Diffuse astrocytoma. Few positive nuclei. DAB, ×400. F: Oligodendroglioma. Scattered positive nuclei. DAB, ×400. G: Anaplastic oligodendroglioma. Many SOX2-positive nuclei. DAB, ×400. H: Section from the same area of G with many Ki-67/MIB.1-positive nuclei. DAB, ×400.