c("cell line: HCT-116", "passages: passage 4-15", "treatment: none")
c("cell line: HCT-116", "passages: passage 4-15", "treatment: none")
c("cell line: HCT-116", "passages: passage 4-15", "treatment: serum-induced")
c("cell line: HCT-116", "passages: passage 4-15", "treatment: serum-induced")