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Survivin Improves Reprogramming Efficiency of Human Neural Progenitors by Single Molecule OCT4

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机构: [1]Peking Univ, Sch Basic Med, Dept Cell Biol, Beijing, Peoples R China; [2]Peking Univ, Sch Basic Med, Stem Cell Res Ctr, Beijing, Peoples R China; [3]Baotou Med Coll, Baotou, Inner Mongolia, Peoples R China; [4]Beijing Cellapy Biotechnol Co LTD, Beijing, Peoples R China; [5]Univ Florida, Dept Pharmaceut, 6550 Sanger Rd, Orlando, FL 32827 USA; [6]Beijing Anzhen Hosp, Beijing, Peoples R China
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Induced pluripotent stem (iPS) cells have been generated from human somatic cells by ectopic expression of four Yamanaka factors. Here, we report that Survivin, an apoptosis inhibitor, can enhance iPS cells generation from human neural progenitor cells (NPCs) together with one factor OCT4 (1F-OCT4-Survivin). Compared with 1F-OCT4, Survivin accelerates the process of reprogramming from human NPCs. The neurocyte-originated induced pluripotent stem (NiPS) cells generated from 1F-OCT4-Survivin resemble human embryonic stem (hES) cells in morphology, surface markers, global gene expression profiling, and epigenetic status. Survivin keeps high expression in both iPS and ES cells. During the process of NiPS cell to neural cell differentiation, the expression of Survivin is rapidly decreased in protein level. The mechanism of Survivin promotion of reprogramming efficiency from NPCs may be associated with stabilization of beta-catenin in WNT signaling pathway. This hypothesis is supported by experiments of RTPCR, chromatin immune-precipitation, and Western blot in human ES cells. Our results showed overexpression of Survivin could improve the efficiency of reprogramming from NPCs to iPS cells by one factor OCT4 through stabilization of the key molecule, beta-catenin.

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出版当年[2015]版:
大类 | 3 区 医学
小类 | 4 区 细胞与组织工程
最新[2023]版:
大类 | 3 区 医学
小类 | 3 区 细胞与组织工程
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出版当年[2014]版:
Q3 CELL & TISSUE ENGINEERING
最新[2023]版:
Q2 CELL & TISSUE ENGINEERING

影响因子: 最新[2023版] 最新五年平均 出版当年[2014版] 出版当年五年平均 出版前一年[2013版] 出版后一年[2015版]

第一作者:
第一作者机构: [1]Peking Univ, Sch Basic Med, Dept Cell Biol, Beijing, Peoples R China; [2]Peking Univ, Sch Basic Med, Stem Cell Res Ctr, Beijing, Peoples R China;
通讯作者:
通讯机构: [1]Peking Univ, Sch Basic Med, Dept Cell Biol, Beijing, Peoples R China; [2]Peking Univ, Sch Basic Med, Stem Cell Res Ctr, Beijing, Peoples R China; [6]Beijing Anzhen Hosp, Beijing, Peoples R China
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