c("cell line: CD133+ D456MG", "tumor stage: Glioblastoma Grade IV")
c("cell line: CD133+ D456MG", "tumor stage: Glioblastoma Grade IV")
c("cell line: CD133+ D456MG", "tumor stage: Glioblastoma Grade IV")
c("cell line: CD133+ D456MG", "tumor stage: Glioblastoma Grade IV")
c("cell line: CD133+ D456MG", "tumor stage: Glioblastoma Grade IV")
c("cell line: CD133+ D456MG", "tumor stage: Glioblastoma Grade IV")