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Biomed Res Int. 2013;2013:531579. doi: 10.1155/2013/531579. Epub 2013 Oct 28.

Does the adult human ciliary body epithelium contain "true" retinal stem cells?

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Department of Ophthalmology, Oslo University Hospital, Pb 4950 Nydalen, 0407 Oslo, Norway.


Recent reports of retinal stem cells being present in several locations of the adult eye have sparked great hopes that they may be used to treat the millions of people worldwide who suffer from blindness as a result of retinal disease or injury. A population of proliferative cells derived from the ciliary body epithelium (CE) has been considered one of the prime stem cell candidates, and as such they have received much attention in recent years. However, the true nature of these cells in the adult human eye has still not been fully elucidated, and the stem cell claim has become increasingly controversial in light of new and conflicting reports. In this paper, we will try to answer the question of whether the available evidence is strong enough for the research community to conclude that the adult human CE indeed harbors stem cells.

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