Retraction Note: BMP2 secretion from hepatocellular carcinoma cell HepG2 enhances angiogenesis and tumor growth in endothelial cells via activation of the MAPK/p38 signaling pathway

撤稿声明：肝癌细胞HepG2分泌的BMP2通过激活MAPK/p38信号通路增强内皮细胞的血管生成和肿瘤生长。