MUC5AC and glioblastoma: According to Global Cancer Statistics,there will be 308,102 new cases and 251,329 deaths from brain andCNS cancers in 2020. Among them, oneof the most common and malignant diseases is glioblastoma (IV grade).It is a disease characterized by extremely poor prognosisthe5-year survival rate is only 4–5%. Since mucins are not well structurally characterized, thus, we proposecommercially available MUC 3 as a model system in a general conceptof studying mucin-dye interactions for diagnostic purposes.