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Sci Rep: 成纤维细胞到尿路上皮细胞直接转化在受损泌尿膀胱粘膜再生中可能是需要的

2019-10-18 AlexYang MedSci原创

在尿路粘膜中,尿路上皮细胞在尿液渗出和细菌侵染中具有重要的作用,因此尿路上皮细胞的缺陷或者是损伤与泌尿系疾病相关,并且可能引起严重的问题。如果能够培养足够数量的功能尿路上皮细胞并移植到受损的尿路上皮中,该技术可能对患有泌尿道疾病的患者提供有利的影响。最近,有研究人员发现通过转化4个转录因子FOXA1,TP63, MYCL和KLF4 (FTLK),人类成年成纤维细胞能够转换成为尿路上皮细胞。上述直接

在尿路粘膜中,尿路上皮细胞在尿液渗出和细菌侵染中具有重要的作用,因此尿路上皮细胞的缺陷或者是损伤与泌尿系疾病相关,并且可能引起严重的问题。如果能够培养足够数量的功能尿路上皮细胞并移植到受损的尿路上皮中,该技术可能对患有泌尿道疾病的患者提供有利的影响。

最近,有研究人员发现通过转化4个转录因子FOXA1,TP63, MYCL和KLF4 (FTLK),人类成年成纤维细胞能够转换成为尿路上皮细胞。上述直接的转化的尿路上皮细胞(dUCs)能够形成类似鹅卵石的克隆并表达上皮细胞特异性标记。研究人员通过使用一种特殊的培养基出成功的实现了dUCs的扩散和富集。移植的dUCs表现出了与正常上皮细胞相似的全基因组表达模式,并且表现出了更好的屏障功能。在体内,FTLK转导成的成纤维细胞同样也转变为上皮细胞,并在移植到患有间质性膀胱炎的小鼠膀胱中被尿路上皮组织再生招募。

最后,研究人员指出,他们的技术能够为患有尿路上皮障碍的患者提供一个有前景的解决办法。

原始出处:


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