Differentiation of Human Pluripotent Stem Cells into Nephron Progenitor Cells in a Serum and Feeder Free System

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Objectives: Kidney disease is emerging as a critical medical problem worldwide. Because of limited treatment options for the damaged kidney, stem cell treatment is becoming an alternative therapeutic approach. Of many possible human stem cell sources, pluripotent stem cells are most attractive due to their self-renewal and pluripotent capacity. However, little is known about the derivation of renal lineage cells from human pluripotent stem cells (hPSCs). In this study, we developed a novel protocol for differentiation of nephron progenitor cells (NPCs) from hPSCs in a serum-and feeder-free system. Materials and Methods: We designed step-wise protocols for differentiation of human pluripotent stem cells toward primitive streak, intermediate mesoderm and NPCs by recapitulating normal nephrogenesis. Expression of key marker genes was examined by RT-PCR, real time RT-PCR and immunocytochemistry. Each experiment was independently performed three times to confirm its reproducibility. Results: After modification of culture period and concentration of exogenous factors, hPSCs can differentiate into NPCs that markedly express specific marker genes such as SIX2, GDNF, HOXD11, WT1 and CITED1 in addition to OSR1, PAX2, SALL1 and EYA1. Moreover, NPCs possess the potential of bidirectional differentiation into both renal tubular epithelial cells and glomerular podocytes in defined culture conditions. In particular, approximately 70% of SYN-positive cells were obtained from hPSC-derived NPCs after podocytes induction. NPCs can also form in vitro tubule-like structures in three dimensional culture systems. Conclusions: Our novel protocol for hPSCs differentiation into NPCs can be useful for producing alternative sources of cell replacement therapy and disease modeling for human kidney diseases.
Publisher
PUBLIC LIBRARY SCIENCE
Issue Date
2014-04
Language
English
Article Type
Article
Keywords

CHRONIC KIDNEY-DISEASE; RENAL-FAILURE; DIRECTED DIFFERENTIATION; IN-VITRO; REGENERATION; ORGANOGENESIS; ADULT; WT1; PRONEPHROS; LINEAGE

Citation

PLOS ONE, v.9, no.4

ISSN
1932-6203
DOI
10.1371/journal.pone.0094888
URI
http://hdl.handle.net/10203/189440
Appears in Collection
BS-Journal Papers(저널논문)
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