无血清无饲养层人胚胎干细胞向胶质前体细胞的分化

罗敏;胡智兴;梁道明

解剖学报 ›› 2011, Vol. 42 ›› Issue (2) : 279-282.

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解剖学报 ›› 2011, Vol. 42 ›› Issue (2) : 279-282. DOI: 10.3969/j.issn.0529-1356.2011.02.028
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无血清无饲养层人胚胎干细胞向胶质前体细胞的分化

  • 罗敏1,3;胡智兴2,3*;梁道明4
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Derivation of neuroglia progenitors from human embryonic stem cells in feeder layer- and serum-free medium

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Abstract

Objective To establish a neuroglia progenitor differentiation system from human embryonic stem cells (hESCs) in a feeder layer- and serum-free medium. Methods hESCs grown in laminin coated culture plates were induced to form embryoid bodies (EBs) for 25 days. Then 25-day-old EBs were transferred to glial progenitor induction medium (GPIM) containing insulin, 5μg/L basic fibroblast growth factor (bFGF), 20μg/L epidermal growth factor (EGF) and 5μg/L triiodothyronine (T3) to continue culturing for 7-10 days. The differentiated fibroblast-like cells were digested and collected. The expressions of neuroglia progenitor genes were determined by RT-PCR. The special markers of neuroglia progenitors were examined by immunofluorescence staining. Results The differentiated cells were long spindle shaped. They expressed neuroglia progenitor special markers NG2, platelet\|derived growth factor receptor α(PDGFRα). The percentage of NG2+, PDGFRα+ cells was 37.2% and 47.6%, respectively. They could further differentiate into astrocytes and oligodendroglias.Conclusion GPIM containing insulin, bFGF, EGF and T3 could induce hESCs differentiate into neuroglia progeni

关键词

胚胎干细胞 / 胶质前体细胞 / 免疫荧光 / 反转录-聚合酶链反应 /

Key words

Embryonic stem cell / Glial progenitor / Immunofluorescence / RT-PCR / Human

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罗敏;胡智兴;梁道明. 无血清无饲养层人胚胎干细胞向胶质前体细胞的分化[J]. 解剖学报. 2011, 42(2): 279-282 https://doi.org/10.3969/j.issn.0529-1356.2011.02.028
Derivation of neuroglia progenitors from human embryonic stem cells in feeder layer- and serum-free medium[J]. Acta Anatomica Sinica. 2011, 42(2): 279-282 https://doi.org/10.3969/j.issn.0529-1356.2011.02.028
中图分类号: R321.1   

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