心肌生长因子 (MGF)是一种含有 1 7种氨基酸的具有体内外活性的蛋白质单体 ,由苏又苏等〔1 ,2〕首次从人胚胎及乳猪心室肌中提取并纯化 ,体内外活性检测显示其能促进心肌细胞再生。并首次证实MGF能缩小实验性心肌梗死范围〔3〕。但MGF临床应用的安全性尚不清楚 ,本文对其体内的 Myocardial growth factor (MGF) is a protein monomer with 17 amino acids in vitro and in vivo. It was extracted and purified from human embryonic and suckling pig ventricular muscle by Su et al [1,2] for the first time. Activity tests show that it can promote cardiomyocyte regeneration. And for the first time confirmed MGF can reduce the scope of experimental myocardial infarction [3]. However, the safety of clinical application of MGF is not clear, this article on its body