ST3GAL1 and Anaplastic (Malignant) Meningioma: Increased expression of C2GNT2, ST3GAL1, ST3GAL3, FUT1, FUT2, FUT3, FUT6, FUT7, and FUT8 in malignant meningiomas, which generate the complex glycan structures, may play an essential role in invasion and recurrence of malignant meningiomas, which could be further studied for their prognostic or therapeutic applications.