c("cell line: BJ cells", "condition: Control sample")
c("cell line: BJ cells", "condition: Nutlin-3a, 2h")
c("cell line: BJ cells", "condition: Nutlin-3a, 4h")
c("cell line: BJ cells", "condition: Nutlin-3a, 6h")
c("cell line: BJ cells", "condition: Nutlin-3a, 19h")