The procedures of immunocytochemistry were described previously19 (link). Nucleuses were stained with DAPI (1 μg/ml) or PI (2 μg/ml) containing RNase A (50 μg/ml). Samples were examined with a BZ-9000 inverted fluorescence microscope (Keyence). Anti-GFAP rabbit polyclonal antibodies (G4546, Sigma-Aldrich), anti-MBP rat monoclonal antibody (MAB386, Millipore), anti-Ki-67 rabbit polyclonal antibodies (AB9260, Millipore), anti-Hif1α rabbit polyclonal antibodies (NB100-479, Novus Biologicals), anti-Hif2α rabbit polyclonal antibodies (NB100-122, Novus Biologicals), Anti-CDKN2B (p15/INK4b) rabbit polyclonal antibodies (bs-4269R, Bioss Antibody), anti-RUNX1/AML1 rabbit polyclonal antibodies (ab23980, Abcam).
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