iPSC-Derived Retina Transplants Improve Vision in rd1 End-Stage Retinal-Degeneration Mice.

iPSC-Derived Retina Transplants Improve Vision in rd1 End-Stage Retinal-Degeneration Mice.
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DOI:
10.1016/j.stemcr.2017.03.024
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发表时间:
2017-04-11
期刊:
影响因子:
5.9
通讯作者:
Takahashi M
Takahashi M
中科院分区:
医学1区
文献类型:
--
作者:
Mandai M;Fujii M;Hashiguchi T;Sunagawa GA;Ito SI;Sun J;Kaneko J;Sho J;Yamada C;Takahashi M

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Recent success in functional recovery by photoreceptor precursor transplantation in dysfunctional retina has led to an increased interest in using embryonic stem cell (ESC) or induced pluripotent stem cell (iPSC)-derived retinal progenitors to treat retinal degeneration. However, cell-based therapies for end-stage degenerative retinas that have lost the outer nuclear layer (ONL) are still a big challenge. In the present study, by transplanting mouse iPSC-derived retinal tissue (miPSC retina) in the end-stage retinal-degeneration model (rd1), we visualized the direct contact between host bipolar cell terminals and the presynaptic terminal of graft photoreceptors by gene labeling, showed light-responsive behaviors in transplantedrd1mice, and recorded responses from the host retina with transplants by ex vivo micro-electroretinography and ganglion cell recordings using a multiple-electrode array system. Our data provides a proof of concept for transplanting ESC/iPSC retinas to restore vision in end-stage retinal degeneration.
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