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2017 ; 8
(1
): 1719
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Generation of interspecies limited chimeric nephrons using a conditional nephron
progenitor cell replacement system
#MMPMID29170512
Yamanaka S
; Tajiri S
; Fujimoto T
; Matsumoto K
; Fukunaga S
; Kim BS
; Okano HJ
; Yokoo T
Nat Commun
2017[Nov]; 8
(1
): 1719
PMID29170512
show ga
Animal fetuses and embryos may have applications in the generation of human
organs. Progenitor cells may be an appropriate cell source for regenerative
organs because of their safety and availability. However, regenerative organs
derived from exogenous lineage progenitors in developing animal fetuses have not
yet been obtained. Here, we established a combination system through which donor
cells could be precisely injected into the nephrogenic zone and native nephron
progenitor cells (NPCs) could be eliminated in a time- and tissue-specific
manner. We successfully achieved removal of Six2+ NPCs within the nephrogenic
niche and complete replacement of transplanted NPCs with donor cells. These NPCs
developed into mature glomeruli and renal tubules, and blood flow was observed
following transplantation in vivo. Furthermore, this artificial nephron could be
obtained using NPCs from different species. Thus, this technique enables in vivo
differentiation from progenitor cells into nephrons, providing insights into
nephrogenesis and organ regeneration.