Liver-specification of human iPSC-derived endothelial cells transplanted into mouse liver
ABSTRACT Liver sinusoidal endothelial cells (LSECs) play an important role in liver development, regeneration and pathophysiology, but the differentiation process that generates their unique tissue-specific phenotype is poorly understood and difficult to study as primary cells are only available in limited quantities. To address this, we hypothesised that human induced pluripotent stem cell (hiPSC)-derived endothelial cells (iECs) can produce hiPSC-derived LSECs upon transplantation into the livers ofFah−/−/Rag2−/−/Il2rg−/−mice, and serve as a model to study LSEC specification. Progressive and long-term repopulation of the liver vasculature was observed, as iECs expanded along the sinusoids that run between hepatocytes and increasingly produced human factor VIII, indicating differentiation into LSEC-like cells. To chart the developmental profile associated with LSEC specification, the bulk transcriptome of transplanted cells at time-points between 1 and 12 weeks were compared against primary human adult LSECs, which demonstrated a chronological increase in LSEC markers, LSEC differentiation pathways, and zonation. Bulk transcriptome analysis suggested that the transcription factorsNOTCH1,GATA4, andFOSplay a central role in LSEC specification, interacting with a network of 27 transcription factors. Novel markers associated with this process includeEMCNandCLEC14A. Additionally, single cell transcriptomic analysis demonstrated that transplanted iECs at 4 weeks contain zonal subpopulations with a region-specific phenotype. Collectively, this study confirms that hiPSC can adopt LSEC-like features and provides insight into LSEC specification. This humanised xenograft system can be applied to further interrogate LSEC developmental biology and pathophysiology, bypassing current logistical obstacles associated with primary human LSECs..
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Preprint| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
bioRxiv.org - (2023) vom: 04. Juli Zur Gesamtaufnahme - year:2023 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yap, Kiryu K. [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| doi: |
10.1101/2023.06.28.546913 |
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| PPN (Katalog-ID): |
XBI040056775 |
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| 520 | |a ABSTRACT Liver sinusoidal endothelial cells (LSECs) play an important role in liver development, regeneration and pathophysiology, but the differentiation process that generates their unique tissue-specific phenotype is poorly understood and difficult to study as primary cells are only available in limited quantities. To address this, we hypothesised that human induced pluripotent stem cell (hiPSC)-derived endothelial cells (iECs) can produce hiPSC-derived LSECs upon transplantation into the livers ofFah−/−/Rag2−/−/Il2rg−/−mice, and serve as a model to study LSEC specification. Progressive and long-term repopulation of the liver vasculature was observed, as iECs expanded along the sinusoids that run between hepatocytes and increasingly produced human factor VIII, indicating differentiation into LSEC-like cells. To chart the developmental profile associated with LSEC specification, the bulk transcriptome of transplanted cells at time-points between 1 and 12 weeks were compared against primary human adult LSECs, which demonstrated a chronological increase in LSEC markers, LSEC differentiation pathways, and zonation. Bulk transcriptome analysis suggested that the transcription factorsNOTCH1,GATA4, andFOSplay a central role in LSEC specification, interacting with a network of 27 transcription factors. Novel markers associated with this process includeEMCNandCLEC14A. Additionally, single cell transcriptomic analysis demonstrated that transplanted iECs at 4 weeks contain zonal subpopulations with a region-specific phenotype. Collectively, this study confirms that hiPSC can adopt LSEC-like features and provides insight into LSEC specification. This humanised xenograft system can be applied to further interrogate LSEC developmental biology and pathophysiology, bypassing current logistical obstacles associated with primary human LSECs. | ||
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| 700 | 1 | |a Schröder, Jan |0 (orcid)0000-0001-5270-0605 |4 aut | |
| 700 | 1 | |a Gerrand, Yi-Wen |4 aut | |
| 700 | 1 | |a Kong, Anne M. |4 aut | |
| 700 | 1 | |a Fox, Adrian M. |4 aut | |
| 700 | 1 | |a Knowles, Brett |4 aut | |
| 700 | 1 | |a Banting, Simon W. |4 aut | |
| 700 | 1 | |a Elefanty, Andrew G. |0 (orcid)0000-0001-6448-8314 |4 aut | |
| 700 | 1 | |a Stanley, Eduoard G. |0 (orcid)0000-0002-6389-3665 |4 aut | |
| 700 | 1 | |a Yeoh, George C. |0 (orcid)0000-0002-4740-4702 |4 aut | |
| 700 | 1 | |a Lockwood, Glen P. |4 aut | |
| 700 | 1 | |a Cogger, Victoria C. |0 (orcid)0000-0002-6346-9928 |4 aut | |
| 700 | 1 | |a Morrison, Wayne A. |0 (orcid)0000-0002-4243-7978 |4 aut | |
| 700 | 1 | |a Polo, Jose M. |0 (orcid)0000-0002-2531-778X |4 aut | |
| 700 | 1 | |a Mitchell, Geraldine M. |0 (orcid)0000-0003-1092-8630 |4 aut | |
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