Our results about immunity/inflammatory-related metagenes showed that PLK1 mRNA levels were negatively correlated with enrichment scores of Interferon and lymphocyte-specific kinase (LCK) in glioblastoma multiforme (GBM) (Supplementary Figure 9), which implied that Interferon and LCK might be protective factors, different from PLK1. This evidence concerns the gene PLK1 and glioblastoma.