We obtained a collated overview of the biological functions of the candidates from various databases, such as GeneCards [25], The National Center for Biotechnology Information (NCBI, https://www.ncbi.nlm.nih.gov/, accessed on 14 October 2022, HPA, etc. IFNAR2, IL6R, and GFRA1 are receptors for ligands linked to GBM, namely type I interferons, IL6, and RET. Here, GFRA1 is linked to glioblastoma.