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Human liver organoids generated with single donor-derived multiple cells rescue mice from acute liver failure.

ABSTRACT: BACKGROUND:Acute liver failure (ALF) is a life-threatening disease with a high mortality rate. However, there are limited treatments or devices available for ALF therapy. Here, we aimed to develop a new strategy for ALF treatment by transplanting functional liver organoids (LOs) generated from single donor-derived human induced pluripotent stem cell (hiPSC) endoderm, endothelial cells (ECs), and mesenchymal cells (MCs). METHODS:First, we isolated ECs and MCs from a single donor umbilical cord (UC) through enzyme digestion and characterized the UC-ECs and UC-MCs by flow cytometry. Second, using a nonviral reprogramming method, we generated same donor-derived hiPSCs from the UC-ECs and investigated their hepatic differentiation abilities. Finally, we simultaneously plated EC-hiPSC endoderm, UC-ECs, and UC-MCs in a three-dimensional (3D) microwell culture system, and generated single donor cell-derived differentiated LOs for ALF mouse treatment. RESULTS:We obtained ECs and MCs from a single donor UC with high purity, and these cells provided a multicellular microenvironment that promoted LO differentiation. hiPSCs from the same donor were generated from UC-ECs, and the resultant EC-hiPSCs could be differentiated efficiently into pure definitive endoderm and further into hepatic lineages. Simultaneous plating of EC-hiPSC endoderm, UC-ECs, and UC-MCs in the 3D microwell system generated single donor cell-derived LOs (SDC-LOs) that could be differentiated into functional LOs with enhanced hepatic capacity as compared to that of EC-hiPSC-derived hepatic-like cells. When these functional SDC-LOs were transplanted into the renal subcapsules of ALF mice, they rapidly assumed hepatic functions and improved the survival rate of ALF mice. CONCLUSION:These results demonstrate that functional LOs generated from single donor cells can improve the condition of ALF mice. Functional SDC-LO transplantation provides a promising novel approach for ALF therapy.

SUBMITTER: Nie YZ

PROVIDER: S-EPMC5763644 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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Human liver organoids generated with single donor-derived multiple cells rescue mice from acute liver failure.

Nie Yun-Zhong YZ Zheng Yun-Wen YW Ogawa Miyuki M Miyagi Etsuko E Taniguchi Hideki H

Stem cell research & therapy 20180110 1

<h4>Background</h4>Acute liver failure (ALF) is a life-threatening disease with a high mortality rate. However, there are limited treatments or devices available for ALF therapy. Here, we aimed to develop a new strategy for ALF treatment by transplanting functional liver organoids (LOs) generated from single donor-derived human induced pluripotent stem cell (hiPSC) endoderm, endothelial cells (ECs), and mesenchymal cells (MCs).<h4>Methods</h4>First, we isolated ECs and MCs from a single donor um ...[more]

PMID: 29321049

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Project description:There is increasing evidence that mesenchymal stem cells (MSCs) derived from different tissues could act as an alternative source of mature hepatocytes for treatment of acute liver failure (ALF). Human umbilical cord matrix stem cells (hUCMSCs) represent a novel source of MSCs. We examined the therapeutic potential and the different mechanisms of hUCMSCs by their transplantation into nonobese diabetic severe combined-immunodeficient (NOD-SCID) mice with carbon tetrachloride (CCl(4))-induced ALF in comparison to adult human hepatocytes (AHHs). The characteristics of isolated hUCMSCs were determined from MSCs and hepatocyte marker expression, hepatic function, and differentiation. Native hUCMSCs constitutively expressed some hepatic markers, though weaker hepatocyte-specific functions were observed when compared to AHHs. When native hUCMSCs or AHHs were transplanted into livers of NOD-SCID mice with ALF induced by CCl(4), both hUCMSCs and AHHs provided a significant survival benefit and prevented the release of liver injury biomarkers. hUCMSCs were found to engraft within the recipient liver and differentiated into functional hepatocytes, whereas the HepPar1-/albumin (ALB)-positive cells of the hUCMSC group were less than the AHH group in the recipient liver. Higher values of human ALB in the serum of mice-transplanted AHHs were determined in comparison with levels in mice-transplanted hUCMSCs. The analysis of mouse serum cytokine levels showed that hUCMSC transplantation was even more effective than treatment with AHHs and successfully downregulated the systemic inflammatory cytokines such as interleukin (IL)-1?, tumor necrosis factor (TNF)-?, IL-6, IL-10, and IL-1 receptor antagonist (IL-1RA). Furthermore, paracrine effects produced by hUCMSCs were identified by indirect coculture with damaged mouse hepatocytes (MHs) induced by CCl(4). Coculture with hUCMSCs significantly increased the viability, ALB secretion of damaged MHs, and greatly enhanced the regeneration of MHs in vitro when compared with AHHs. These data suggest that direct transplantation of native hUCMSCs can rescue ALF and repopulate livers of mice through paracrine effects to stimulate endogenous liver regeneration rather than hepatic differentiation for compensated liver function, which is the primary effect of AHHs. Thus, hUCMSCs can be a potential alternative source of AHHs for cell therapy of ALF and eliminate the shortage of hepatocytes.

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Human liver organoids generated with single donor-derived multiple cells rescue mice from acute liver failure.

Publications

Human liver organoids generated with single donor-derived multiple cells rescue mice from acute liver failure.

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