Similarly, in NSC and SH-SY5Y derived exosomal PCR product, 3’ UTR region from 2328 to 2686 showed 100% identity with the SOX2 gene (ID: 6657), whereas GBM and CD133+ GBM PCR products showed 1 (181714405: T > C) and 2 (181714583: T > C, 181714564: A > GSNPs) respectively. This evidence concerns the gene PROM1 and glioblastoma.