Derivation, culture and retinal pigment epithelial differentiation of human embryonic stem cells using human fibroblast feeder cells.

Abstract:

PURPOSE:Retinal pigment epithelium cells derived from human embryonic stem cells (ESCs) could be useful for restoring retinal function in age-related macular degeneration. However the use of non-human feeder cells to support the growth of ESCs for clinical applications raises the concern of possible contamination because of direct contact between animal and human cells. METHODS:In this study, we produced human ESCs using human fibroblast feeder layers isolated from foreskin and abdominal tissues. Using this system, human ESCs differentiated into retinal pigment epithelium cells in differentiation medium. RESULTS:Seven human ESC lines were established from 18 blastocysts. These human ESCs showed normal morphology, expressed all expected cell surface markers, had the ability to form embryoid bodies upon culture in vitro and teratomas after injection into SCID mice, and differentiated further into derivatives of all three germ layers. Under conditions of committed differentiation, these human ESCs could differentiate into retinal pigment epithelium cells after 2 months in culture. CONCLUSIONS:The results of this study demonstrated that human foreskin/abdominal fibroblasts have the potential to support the derivation and long-term culture of human ESCs, which can then be used to generate retinal pigment epithelium cells with characteristic morphology and molecular markers. This technique avoids the concerns of contamination from animal feeder layers during human ESC derivation, culture and differentiation, and will thus facilitate the development of retinal pigment epithelium cell transplantation therapy.

journal_name

J Assist Reprod Genet

authors

Zhang YS,Lu ZY,Yu Y,Li XR,Li WB,Wang YN,Geng Y

doi

10.1007/s10815-012-9802-2

subject

Has Abstract

pub_date

2012-08-01 00:00:00

pages

735-44

issue

8

eissn

1058-0468

issn

1573-7330

journal_volume

29

pub_type

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