May 2007
Volume 48, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2007
Characterization of Retinal Stem Cells Derived From the Adult Ciliary Epithelium
Author Affiliations & Notes
  • S. A. Cicero
    Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, Tennessee
  • M. A. Dyer
    Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, Tennessee
  • Footnotes
    Commercial Relationships S.A. Cicero, None; M.A. Dyer, None.
  • Footnotes
    Support American Cancer Society, NIH Grant EY014867
Investigative Ophthalmology & Visual Science May 2007, Vol.48, 4070. doi:
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      S. A. Cicero, M. A. Dyer; Characterization of Retinal Stem Cells Derived From the Adult Ciliary Epithelium. Invest. Ophthalmol. Vis. Sci. 2007;48(13):4070.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose:: To fully characterize the sphere forming cells arising from the adult ciliary epithelium.

Methods:: Ciliary epithelia (CE) and spheres derived from ciliary epithelia were analyzed by TEM, real-time RT-PCR and immuno-fluorescence. Cultures of differentiated spheres were analyzed by immuno-fluorescence. Cell cycle analysis was done with the addition of 3H-thymidine. Adult retina, RPE, iris, and CE, as well as adult brain SVZ (sub-ventricular zone) and neurospheres derived from the adult SVZ, were used as controls.

Results:: Cells in CE-derived spheres had junctional complexes such as tight junctions, similar to the CE from which they were derived. CE-derived spheres expressed genes that are found in the CE. Differentiated cultures expressed genes of both the CE and the retina.

Conclusions:: The cells that form spheres in vitro more closely resemble the cells of the ciliary epithelium than those of the retina. These cells can be differentiated and do express retinal markers following differentiation.

Keywords: ciliary body • differentiation • gene/expression 
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