Humans appear to have true, self - renewing retinal stem cells. (scientificamerican.com)
BrdU immunoreactivity is not conclusive evidence for the presence of retinal stem cells. (journals.plos.org)
In his lab, Reh coaxes human embryonic stem cells into retinal stem cells, and currently about 6 percent of them subsequently turn into photoreceptor cells. (scientificamerican.com)