Besides insulin-producing pancreatic islet cells for treating diabetes, stem cells from cloned embryos could also be nudged to become heart muscle cells as therapies for congestive heart failure, arrhythmias and cardiac tissue scarred by heart attacks.

• 干细胞除了可以生成胰岛细胞，用以制造胰岛素来治疗糖尿病之外，干细胞也可以诱生成为心肌细胞，用来治疗充血性心脏衰竭、心律不整、以及心脏病发作后受损的心肌组织。