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Effects of cellular origin on differentiation of human induced pluripotent stem cell–derived endothelial cells
Shijun Hu, … , Michael P. Snyder, Joseph C. Wu
Shijun Hu, … , Michael P. Snyder, Joseph C. Wu
Published June 2, 2016
Citation Information: JCI Insight. 2016;1(8):e85558. https://doi.org/10.1172/jci.insight.85558.
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Research Article Stem cells Transplantation

Effects of cellular origin on differentiation of human induced pluripotent stem cell–derived endothelial cells

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Abstract

Human induced pluripotent stem cells (iPSCs) can be derived from various types of somatic cells by transient overexpression of 4 Yamanaka factors (OCT4, SOX2, C-MYC, and KLF4). Patient-specific iPSC derivatives (e.g., neuronal, cardiac, hepatic, muscular, and endothelial cells [ECs]) hold great promise in drug discovery and regenerative medicine. In this study, we aimed to evaluate whether the cellular origin can affect the differentiation, in vivo behavior, and single-cell gene expression signatures of human iPSC–derived ECs. We derived human iPSCs from 3 types of somatic cells of the same individuals: fibroblasts (FB-iPSCs), ECs (EC-iPSCs), and cardiac progenitor cells (CPC-iPSCs). We then differentiated them into ECs by sequential administration of Activin, BMP4, bFGF, and VEGF. EC-iPSCs at early passage (10 < P < 20) showed higher EC differentiation propensity and gene expression of EC-specific markers (PECAM1 and NOS3) than FB-iPSCs and CPC-iPSCs. In vivo transplanted EC-iPSC–ECs were recovered with a higher percentage of CD31+ population and expressed higher EC-specific gene expression markers (PECAM1, KDR, and ICAM) as revealed by microfluidic single-cell quantitative PCR (qPCR). In vitro EC-iPSC–ECs maintained a higher CD31+ population than FB-iPSC–ECs and CPC-iPSC–ECs with long-term culturing and passaging. These results indicate that cellular origin may influence lineage differentiation propensity of human iPSCs; hence, the somatic memory carried by early passage iPSCs should be carefully considered before clinical translation.

Authors

Shijun Hu, Ming-Tao Zhao, Fereshteh Jahanbani, Ning-Yi Shao, Won Hee Lee, Haodong Chen, Michael P. Snyder, Joseph C. Wu

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