Functional assessment of hematopoietic niche cells derived from human embryonic stem cells

Patrick I. Ferrell, Melinda K. Hexum, Ross A. Kopher, Michael A. Lepley, Amanda Gussiaas, Dan S. Kaufman

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


To evaluate hematopoietic niche cell populations isolated from human embryonic stem cells (hESCs), we tested the ability of hESC-derived stromal lines to support CD34+ umbilical cord blood (UCB)- and hESC-derived CD34+45+ cells in long-term culture initiating cell (LTC-IC) assays. Specifically, these hematopoietic populations were cocultured with hESC-derived mesenchymal stromal cells (hESC-MSCs) and hESC-derived endothelial cells (hESC-ECs), and then assessed for their LTC-IC potential in comparison to coculture with bone marrow (BM)-derived MSCs and the mouse stromal line M2-10B4. We found that the hESC-derived stromal lines supported LTC-ICs from UCB similar to M2-10B4 cells and better than BM-MSCs. However, none of the stromal populations supported LTC-IC from hESC-derived CD34+45 + cells. Engraftment data using the output from LTC-IC assays showed long-term repopulation (12 weeks) of NSG mice to correlate with LTC-IC support on a given stromal layer. Therefore, hESC-derived stromal lines can be used to efficiently evaluate putative hematopoietic stem/progenitor cells derived from hESCs or other cell sources.

Original languageEnglish (US)
Pages (from-to)1355-1363
Number of pages9
JournalStem Cells and Development
Issue number12
StatePublished - Jun 15 2014


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