However, colocalization of markers is technically challenging, and recent reports have explained some of the published data as results of cell fusions rather than of " transdifferentiation" or have failed to confirm previous reports.

然而，标记物的共定位在技术上具有挑战性，并且最近的报道已将一些已公布的数据解释为细胞融合的结果而不是" 转分化" 或先前未能证实的报道。