BMP2 and neoplasm: The results showed that the BMP2 expression level in the tumor tissues of the sh-H19 group was significantly lower than that in the sh-NC group, while the BMP2 expression level in the tumor tissues of the pcDNA-BMP2 group was significantly higher than that in the sh-NC, sh-H19, and pcDNA-BMP2+sh-H19 groups (P<0.05).