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Engrafted human stem cell–derived hepatocytes establish an infectious HCV murine model
Arnaud Carpentier, … , Stephen M. Feinstone, T. Jake Liang
Arnaud Carpentier, … , Stephen M. Feinstone, T. Jake Liang
Published October 8, 2014
Citation Information: J Clin Invest. 2014;124(11):4953-4964. https://doi.org/10.1172/JCI75456.
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Technical Advance Hepatology Article has an altmetric score of 7

Engrafted human stem cell–derived hepatocytes establish an infectious HCV murine model

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Abstract

The demonstrated ability to differentiate both human embryonic stem cells (hESCs) and patient-derived induced pluripotent stem cells (hiPSCs) into hepatocyte-like cells (HLCs) holds great promise for both regenerative medicine and liver disease research. Here, we determined that, despite an immature phenotype, differentiated HLCs are permissive to hepatitis C virus (HCV) infection and mount an interferon response to HCV infection in vitro. HLCs differentiated from hESCs and hiPSCs could be engrafted in the liver parenchyma of immune-deficient transgenic mice carrying the urokinase-type plasminogen activator gene driven by the major urinary protein promoter. The HLCs were maintained for more than 3 months in the livers of chimeric mice, in which they underwent further maturation and proliferation. These engrafted and expanded human HLCs were permissive to in vivo infection with HCV-positive sera and supported long-term infection of multiple HCV genotypes. Our study demonstrates efficient engraftment and in vivo HCV infection of human stem cell–derived hepatocytes and provides a model to study chronic HCV infection in patient-derived hepatocytes, action of antiviral therapies, and the biology of HCV infection.

Authors

Arnaud Carpentier, Abeba Tesfaye, Virginia Chu, Ila Nimgaonkar, Fang Zhang, Seung Bum Lee, Snorri S. Thorgeirsson, Stephen M. Feinstone, T. Jake Liang

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Figure 4

Engraftment of HLCs in the liver parenchyma of engrafted MUP-uPA/SCID/Bg mice.

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Engraftment of HLCs in the liver parenchyma of engrafted MUP-uPA/SCID/Bg...
(A) hALB quantification in the sera of engrafted mice within 2 weeks after intrasplenic injection of 4 million hiPSC-derived HLCs. (B) ELISA for hALB at day 10 pe did not reveal a significant difference between hESC- and hiPSC-derived HLCs. Horizontal bars indicate the mean. (C) Visualization of engrafted HLCs 14 days pe by IHC for Hep Par-1. cv, central vein; pa, portal area. Scale bars: 1 mm. (D) IFA for hALB and glutamine synthetase confirms engraftment around central veins. Scale bars: 200 μm. (E) Staining for Ki67 in the nuclei of cells positive for hALB confirms proliferation of engrafted HLCs (arrowheads). Scale bar: 200 μm (top); 50 μm (bottom). (F) Staining for hAAT and mouse ALB in distinct cells confirms the absence of cell fusion between human HLCs and mouse hepatocytes. Scale bars: 100 μm. Asterisks indicate central veins.

Copyright © 2025 American Society for Clinical Investigation
ISSN: 0021-9738 (print), 1558-8238 (online)

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