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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
2018 ; 10
(3
): 766-779
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Generation of Functioning Nephrons by Implanting Human Pluripotent Stem
Cell-Derived Kidney Progenitors
#MMPMID29429961
Bantounas I
; Ranjzad P
; Tengku F
; Silajd?i? E
; Forster D
; Asselin MC
; Lewis P
; Lennon R
; Plagge A
; Wang Q
; Woolf AS
; Kimber SJ
Stem Cell Reports
2018[Mar]; 10
(3
): 766-779
PMID29429961
show ga
Human pluripotent stem cells (hPSCs) hold great promise for understanding kidney
development and disease. We reproducibly differentiated three genetically
distinct wild-type hPSC lines to kidney precursors that underwent rudimentary
morphogenesis in vitro. They expressed nephron and collecting duct lineage marker
genes, several of which are mutated in human kidney disease.
Lentiviral-transduced hPSCs expressing reporter genes differentiated similarly to
controls in vitro. Kidney progenitors were subcutaneously implanted into
immunodeficient mice. By 12 weeks, they formed organ-like masses detectable by
bioluminescence imaging. Implants included perfused glomeruli containing human
capillaries, podocytes with regions of mature basement membrane, and mesangial
cells. After intravenous injection of fluorescent low-molecular-weight dextran,
signal was detected in tubules, demonstrating uptake from glomerular filtrate.
Thus, we have developed methods to trace hPSC-derived kidney precursors that
formed functioning nephrons in vivo. These advances beyond in vitro culture are
critical steps toward using hPSCs to model and treat kidney diseases.