Expression of stem cell pluripotency factors during regeneration in the earthworm Eisenia foetida.

Expression of stem cell pluripotency factors during regeneration in the earthworm Eisenia foetida.
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蚯蚓再生过程中干细胞多能因子的表达。

DOI:
10.1016/j.gene.2015.08.034
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发表时间:
2016
期刊:
影响因子:
3.5
通讯作者:
Qian Han
Qian Han
中科院分区:
生物学3区
文献类型:
--
作者:
Pengfei Zheng;Q. Shao;Xiaoping Diao;Zandong Li;Qian Han

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干细胞多能因子可以诱导体细胞形成诱导的多能干细胞,参与细胞的重编程和去分化。赤子爱胜蚓的组织再生可能与细胞脱分化有关。关于多能因子和再生之间的联系的信息有限。本文报道了蚯蚓多能因子Oct4、nanog、sox2、c-myandlin28基因的cDNA序列。并对其头部、阴蒂和尾部的mRNA表达进行了定量聚合酶链式反应分析。Oct4、nanog、sox2、c-myandlin28在截肢后12h、4d、12h、2d、24h的表达最高,分别是对照组的110、178、21、251和325倍。结果表明,这些组织是通过细胞去分化和重新编程而再生的。
Stem cell pluripotency factors can induce somatic cells to form induced pluripotent stem cells, which are involved in cell reprogramming and dedifferentiation. The tissue regeneration in the earthworm Eisenia foetida may involve cell dedifferentiation. There is limited information about associations between pluripotency factors and the regeneration. In this report, cDNA sequences of pluripotency factors,oct4,nanog,sox2,c-mycandlin28 genesfrom the earthwormE. foetidawere cloned, and quantitative PCR analysis was performed for their mRNA expressions in the head, clitellum and tail. The maximum up-regulation ofoct4,nanog,sox2,c-mycandlin28occurred at 12 h, 4 days, 12 h, 2 days, and 24 h after amputation for 110, 178, 21, 251 and 325-fold, respectively, in comparison with the controls. The results suggest that the tissues are regenerated via cellular dedifferentiation and reprogramming.
DOI: 10.1126/science.1242527
发表时间: 2013-08-30
期刊: SCIENCE
影响因子: 56.9
作者:
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