Bioinformatics analysis of immune infiltration in glioblastoma multiforme based on data using a methylation chip in the GEO database.

Background: Glioblastoma multiforme (GBM) is the most aggressive and malignant tumor of the central nervous system. The study was to obtain the data of immune cell infiltration based on the data of a methylation chip in the GEO, and to clarify its prognostic significance for GBM.

Methods: The methylation data of glioblastoma was obtained by using the .