Generation of eye field/optic vesicle-like structures from human embryonic stem cells under two-dimensional and chemically defined conditions

被引:2
|
作者
Parvini, Maryam [1 ,4 ]
Parivar, Kazem [2 ]
Safari, Fatemeh [1 ]
Tondar, Mahdi [3 ]
机构
[1] ACECR, Royan Inst Stem Cell Biol & Technol, Dept Stem Cells & Dev Biol, Cell Sci Res Ctr, Tehran, Iran
[2] Islamic Azad Univ, Tehran Sci & Res Branch, Dept Biol, Coll Basic Sci, Tehran, Iran
[3] Georgetown Univ, Dept Biochem & Mol Cellular Biol, Biotechnol, Washington, DC USA
[4] Islamic Azad Univ, Urmia Branch, Dept Biol, Coll Basic Sci, Orumiyeh, Iran
关键词
Eye field; Optic vesicle-like structures; Human embryonic stem cells; Chemically defined conditions; DIRECTED DIFFERENTIATION; OPTIC VESICLE; PIGMENTED EPITHELIUM; VERTEBRATE EYE; RETINAL CELLS; HUMAN ESCS; MORPHOGENESIS; INDUCTION; CULTURE; GENES;
D O I
10.1007/s11626-014-9835-1
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Despite the enormous progress in studying retinal cell differentiation from human embryonic stem cells (hESCs), none of the reported protocols have produced a cost-effective eye field cells with the capability to further differentiate into retinal derivatives. In this study, by drawing chemicals on our four-step differentiation strategy, we demonstrated the ability of hESCs in assembling such qualifications to follow human retinogenesis in a serum- and feeder-free adherent condition. Two-dimensional (2D) populations of eye field cells arose within early forebrain progeny upon hESCs differentiation. Gene expression analysis showed that the treatment of hESCs with a combination of selected small molecules (SMs) gave rise to the higher expressions of eye field-specific genes, PAX6, RX, and SIX3. Thereafter, a subset of cells gained the transient features of advancing retinal differentiation, including optic vesicle (OV)-like structures, which expressed MITF and CHX10 in a manner imitated in vivo human retinal development. The competency of derived cells in differentiation to retinal derivatives was further investigated. The gene analysis of the cells showed more propensity for generating retinal pigment epithelial (RPE) than neural retina (NR). The generation of OV-like structures in 2D cultures can shed light on molecular events governing retinal specification. It can also facilitate the study of human retinal development.
引用
收藏
页码:310 / 318
页数:9
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