But starting with mouse embryonic stem cells, researchers have succeeded in creating heart muscle that actually beats.
不过在老鼠胚胎干细胞上面，研究者们取得了突破，他们成功制造出了真正能搏动的人造心脏肌肉组织。
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In the laboratory, scientists have been able to induce embryonic stem cells to develop into heart muscle cells or insulin-producing cells of the pancreas.
在实验中，科学家们已经成功地诱导胚胎干细胞分化为心肌细胞和分泌胰岛素的胰腺细胞。
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These neural stem cells could be induced to differentiate into cholinergic neurons by using embryonic chick skeletal muscle extract.