Another paper published this year suggests that the reprogramming exit ramp does not have to lead back to an embryonic state but can take a cell directly to a new mature fate.

• 今年发表的另一篇论文提出，重新编程出口匝道并不一定要退回到胚胎状态，或许可以使一个细胞直接转换到一个新的成熟状态。