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Invest Ophthalmol Vis Sci. 2003 Jun;44(6):2689-93.

Induction of the differentiation of lentoids from primate embryonic stem cells.

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  • 1Department of Ophthalmology and Visual Sciences, Graduate School of Medicine, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan.

Abstract

PURPOSE:

To produce lens cells from primate embryonic stem (ES) cells in a reproducible, controlled manner.

METHODS:

Cynomologus monkey ES cells were induced to differentiate by stromal cell-derived inducing activity (SDIA). The lentoids produced by this treatment were processed for immunohistochemical and immunoblotting analysis. The effect of varying the concentration of fibroblast growth factor (FGF)-2 and the density of the ES colonies plated during the differentiation process were also examined.

RESULTS:

After a 2- to 3-week induction period, lentoids were produced by a subpopulation of ES colonies. Western blot analysis and immunohistochemistry revealed that these lentoids expressed alphaA-crystallin and Pax6. The number of lentoids resulting from treatment increased with increasing FGF-2 concentration and plated colony density.

CONCLUSIONS:

The differentiation of primate ES cells into lentoids can be achieved by treatment with SIDA. ES cells can be used to facilitate a greater understanding of the mechanisms functioning in differentiation in vivo and in vitro.

PMID:
12766074
[PubMed - indexed for MEDLINE]
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