Chemically synthesized miRNA mimic and inhibitors were used to validate miRNAs and study their effects on tumor inhibition.47, 48 MCF-7 cells transfected with miR-542-3p mimic reversed the effect of resveratrol on apoptosis and the anti-apoptotic proteins Bcl-2 and XIAP (Figure 3). The gene discussed is XIAP; the disease is neoplasm.