Abstract
Traumatic, inherited, and age-related degenerative diseases of the retina, such as retinal detachment, glaucoma, retinitis pigmentosa, and age-related macular degeneration, are characterized by the irreversible loss of retinal neurons. Several growth factors, including glial cell-derived neurotrophic factor and pigment epithelium-derived factor, have been shown to rescue retinal neurons in animal models of retinal disease. Here we describe a scalable and robust system to study the growth factor induction in the retina: retinal organoids derived from the induced pluripotent stem cells. We have demonstrated that they secrete GDNF and PEDF at the levels tenfold above detection limit for ELISA. We also have shown that growth factor production in this system may be upregulated by specific trigger, demonstrating the feasibility of this approach for drug discovery.
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Acknowledgments
The authors thank Tomas Minelli for helping with cell culture. This work was supported by the Alice J. Adler Fellowship of the Schepens Eye Research Institute/Eleanor and Miles Shore 50th Anniversary Fellowships for Scholars in Medicine, Bright Focus Foundation, and Department of Ophthalmology. The flow cytometry core facility is supported by the National Eye Institute core grant P30EY003790.
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Alavi, M., Baranov, P. (2018). The iPSc-Derived Retinal Tissue as a Tool to Study Growth Factor Production in the Eye. In: Ash, J., Anderson, R., LaVail, M., Bowes Rickman, C., Hollyfield, J., Grimm, C. (eds) Retinal Degenerative Diseases. Advances in Experimental Medicine and Biology, vol 1074. Springer, Cham. https://doi.org/10.1007/978-3-319-75402-4_75
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DOI: https://doi.org/10.1007/978-3-319-75402-4_75
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