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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Stem+Cell+Reports
2017 ; 9
(3
): 820-837
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gab.com Text
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Recapitulation of Human Retinal Development from Human Pluripotent Stem Cells
Generates Transplantable Populations of Cone Photoreceptors
#MMPMID28844659
Gonzalez-Cordero A
; Kruczek K
; Naeem A
; Fernando M
; Kloc M
; Ribeiro J
; Goh D
; Duran Y
; Blackford SJI
; Abelleira-Hervas L
; Sampson RD
; Shum IO
; Branch MJ
; Gardner PJ
; Sowden JC
; Bainbridge JWB
; Smith AJ
; West EL
; Pearson RA
; Ali RR
Stem Cell Reports
2017[Sep]; 9
(3
): 820-837
PMID28844659
show ga
Transplantation of rod photoreceptors, derived either from neonatal retinae or
pluripotent stem cells (PSCs), can restore rod-mediated visual function in murine
models of inherited blindness. However, humans depend more upon cone
photoreceptors that are required for daylight, color, and high-acuity vision.
Indeed, macular retinopathies involving loss of cones are leading causes of
blindness. An essential step for developing stem cell-based therapies for
maculopathies is the ability to generate transplantable human cones from
renewable sources. Here, we report a modified 2D/3D protocol for generating
hPSC-derived neural retinal vesicles with well-formed ONL-like structures
containing cones and rods bearing inner segments and connecting cilia, nascent
outer segments, and presynaptic structures. This differentiation system
recapitulates human photoreceptor development, allowing the isolation and
transplantation of a pure population of stage-matched cones. Purified human
long/medium cones survive and become incorporated within the adult mouse retina,
supporting the potential of photoreceptor transplantation for treating retinal
degeneration.
|Adaptor Proteins, Signal Transducing/metabolism
[MESH]