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Systematically labeling developmental stage-specific genes for the study of pancreatic ?-cell differentiation from human embryonic stem cells.


ABSTRACT: The applications of human pluripotent stem cell (hPSC)-derived cells in regenerative medicine has encountered a long-standing challenge: how can we efficiently obtain mature cell types from hPSCs? Attempts to address this problem are hindered by the complexity of controlling cell fate commitment and the lack of sufficient developmental knowledge for guiding hPSC differentiation. Here, we developed a systematic strategy to study hPSC differentiation by labeling sequential developmental genes to encompass the major developmental stages, using the directed differentiation of pancreatic ? cells from hPSCs as a model. We therefore generated a large panel of pancreas-specific mono- and dual-reporter cell lines. With this unique platform, we visualized the kinetics of the entire differentiation process in real time for the first time by monitoring the expression dynamics of the reporter genes, identified desired cell populations at each differentiation stage and demonstrated the ability to isolate these cell populations for further characterization. We further revealed the expression profiles of isolated NGN3-eGFP(+) cells by RNA sequencing and identified sushi domain-containing 2 (SUSD2) as a novel surface protein that enriches for pancreatic endocrine progenitors and early endocrine cells both in human embryonic stem cells (hESC)-derived pancreatic cells and in the developing human pancreas. Moreover, we captured a series of cell fate transition events in real time, identified multiple cell subpopulations and unveiled their distinct gene expression profiles, among heterogeneous progenitors for the first time using our dual reporter hESC lines. The exploration of this platform and our new findings will pave the way to obtain mature ? cells in vitro.

SUBMITTER: Liu H 

PROVIDER: S-EPMC4185345 | biostudies-literature | 2014 Oct

REPOSITORIES: biostudies-literature

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Systematically labeling developmental stage-specific genes for the study of pancreatic β-cell differentiation from human embryonic stem cells.

Liu Haisong H   Yang Huan H   Zhu Dicong D   Sui Xin X   Li Juan J   Liang Zhen Z   Xu Lei L   Chen Zeyu Z   Yao Anzhi A   Zhang Long L   Zhang Xi X   Yi Xing X   Liu Meng M   Xu Shiqing S   Zhang Wenjian W   Lin Hua H   Xie Lan L   Lou Jinning J   Zhang Yong Y   Xi Jianzhong J   Deng Hongkui H  

Cell research 20140905 10


The applications of human pluripotent stem cell (hPSC)-derived cells in regenerative medicine has encountered a long-standing challenge: how can we efficiently obtain mature cell types from hPSCs? Attempts to address this problem are hindered by the complexity of controlling cell fate commitment and the lack of sufficient developmental knowledge for guiding hPSC differentiation. Here, we developed a systematic strategy to study hPSC differentiation by labeling sequential developmental genes to e  ...[more]

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