To further evaluate the expression of EREG and Rab27b in glioma cell lines, we analyzed the protein levels in the H4 (neuroglioma), SW1088 (astrocytoma), A172 (GBM), U118MG (GBM), and U87MG (GBM) cells. The gene discussed is RAB27B; the disease is astrocytoma (excluding glioblastoma).