期刊
STEM CELL REPORTS
卷 9, 期 1, 页码 279-291出版社
CELL PRESS
DOI: 10.1016/j.stemcr.2017.04.026
关键词
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资金
- ICRF [15731, 15450]
- Israel Cancer Association [20150916, 20150911]
- Ziering Foundation [45124]
- Israel Science Foundation (ICORE) [1902/12, 1634/13, 2017/13]
- Israel Ministry of Health [3-10146]
- EU [618592]
During nephrogenesis, stem/progenitor cells differentiate and give rise to early nephron structures that segment to proximal and distal nephron cell types. Previously, we prospectively isolated progenitors from human fetal kidney (hFK) utilizing a combination of surface markers. However, upon culture nephron progenitors differentiated and could not be robustly maintained in vitro. Here, by culturing hFK in a modified medium used for in vitro growth of mouse nephron progenitors, and by dissection of NCAM(+)/ CD133(-) progenitor cells according to EpCAM expression (NCAM(+)/CD133(-) /EpCAM(-), NCAM(+)/CD133-/EpCAM dim, NCAM(+)/ CD133(-)/EpCAM bright), we show at single-cell resolution a preservation of uninduced and induced cap mesenchyme as well as a transitioning mesenchymal-epithelial state. Concomitantly, differentiating and differentiated epithelial lineages are also maintained. In vitro expansion of discrete stages of early human nephrogenesis in nephron stem cell cultures may be used for drug screening on a full repertoire of developing kidney cells and for prospective isolation of mesenchymal or epithelial renal lineages for regenerative medicine.
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