HOXB9 and central nervous system cancer: A cell model test revealed that in glioma cells overexpressing miR‐192, the protein levels of EGR1 and HOXB9 were significantly lower (EGR1: 0.217 ± 0.010 vs. 0.710 ± 0.041; HOXB9: 0.419 ± 0.004 vs. 0.794 ± 0.064; * p < 0.05).