Figure 4

Immunohistochemical staining (brown) for HIF-1α and KLF4 in 9L, U87 gliomas, and in contralateral cortex; counterstaining with hematoxylin (blue).
Immunohistochemical staining (brown) for HIF-1α and KLF4 in 9L, U87 gliomas, and in contralateral cortex; counterstaining with hematoxylin (blue).