PDPN and glioblastoma: Intriguingly, high levels ofEGFRand EGFRvIII expression in both glioblastoma cell lines and patient-derived glioblastoma stem cells correlated with low podoplanin expression.68Thus,EGFRconversely regulates the two main procoagulant proteins in glioblastoma, podoplanin, and TF.