期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 351, 期 2, 页码 514-520出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2006.10.072
关键词
Muller glial cell; aggregate-culture; neuron; platelet-derived growth factor; valproic acid; photoreceptor; transplantation; opsin; regenerative medicine; sphere
Mammalian Muller glial cells are major glial cells in the retina. Here we report that these glial cells can be redirected towards a neuronal lineage by an aggregate-culture in vitro. Rat and macaque Muller glial cells did not express neuronal markers except after transfer to adhesive conditions. Furthermore, this expression could only take place in the presence of platelet-derived growth factor and valproic acid. We compared a normal monolayer-culture and an aggregate-culture, and rat Muller glial cells could only differentiate into neurons under non-adhesive conditions. However, Muller glial cells did not express the photoreceptor markers in vitro. After transplantation into the subretinal space, a retina-specific niche, rat Muller glial cells expressed the photoreceptor-specific marker, opsin (RET-P1). We demonstrate the potential of mammalian Muller glial cells as a source of photoreceptors, which may possibly contribute to the treatment of degenerative retinal diseases such as retinitis pigmentosa. (c) 2006 Elsevier Inc. All rights reserved.
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