Ability of BGC-823 cell proliferation and migration was determined when HOXA11 expression was knocked-down with siRNA. (A) Reverse-PCR revealed fragment-1 can efficiently knock down HOXA11 expression compared with fragment-2 or random control RNA. (B) Cell growth curve was drawn following repression of HOXA11 expression. (C) Wound healing assay was determined after a reverse transfection of RNAi and random RNA. The normal cells were used as control.