c("cell line: HeLa S2", "transfected with: GFP siRNA control", "molecule subtype: rRNA-depleted total RNA")
c("cell line: HeLa S2", "transfected with: DIS3, DIS3L and hRRP6 siRNA (triple knock-down)", "molecule subtype: rRNA-depleted total RNA")
c("cell line: HeLa S2", "transfected with: hRRP40 siRNA", "molecule subtype: rRNA-depleted total RNA")