1
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Shintani T, Imamura C, Ueyama-Toba Y, Inui J, Watanabe A, Mizuguchi H. Establishment of UGT1A1-knockout human iPS-derived hepatic organoids for UGT1A1-specific kinetics and toxicity evaluation. Mol Ther Methods Clin Dev 2023; 30:429-442. [PMID: 37663646 PMCID: PMC10471830 DOI: 10.1016/j.omtm.2023.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 08/08/2023] [Indexed: 09/05/2023]
Abstract
Uridine diphosphate glucuronosyltransferases (UGTs) are highly expressed in the liver and are involved in the metabolism of many drugs. In particular, UGT1A1 has a genetic polymorphism that causes decreased activity, leading to drug-induced hepatotoxicity. Therefore, an in vitro evaluation system that accurately predicts the kinetics of drugs involving UGT1A1 is required. However, there is no such evaluation system because of the absence of the UGT1A1-selective inhibitor. Here, using human induced pluripotent stem (iPS) cells, genome editing technology, and organoid technology, we generated UGT1A1-knockout human iPS hepatocyte-derived liver organoids (UGT1A1-KO i-HOs) as a model for UGT1A1-specific kinetics and toxicity evaluation. i-HOs showed higher gene expression of many drug-metabolizing enzymes including UGT1A1 than human iPS cell-derived hepatocyte-like cells (iPS-HLCs), suggesting that hepatic organoid technology improves liver functions. Wild-type (WT) i-HOs showed similar levels of UGT1A1 activity to primary human (cryopreserved) hepatocytes, while UGT1A1-KO i-HOs completely lost the activity. Additionally, to evaluate whether this model can be used to predict drug-induced hepatotoxicity, UGT1A1-KO i-HOs were exposed to SN-38, the active metabolite of irinotecan, an anticancer drug, and acetaminophen and confirmed that these cells could predict UGT1A1-mediated toxicity. Thus, we succeeded in generating model cells that enable evaluation of UGT1A1-specific kinetics and toxicity.
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Affiliation(s)
- Tomohiro Shintani
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
| | - Chiharu Imamura
- Laboratory of Biochemistry and Molecular Biology, School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
| | - Yukiko Ueyama-Toba
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
- Laboratory of Biochemistry and Molecular Biology, School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
- Laboratory of Functional Organoid for Drug Discovery, National Institute of Biomedical Innovation, Health and Nutrition, Osaka 567-0085, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka 565-0871, Japan
| | - Jumpei Inui
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
| | - Akira Watanabe
- Laboratory of Biochemistry and Molecular Biology, School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
| | - Hiroyuki Mizuguchi
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
- Laboratory of Biochemistry and Molecular Biology, School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
- Laboratory of Functional Organoid for Drug Discovery, National Institute of Biomedical Innovation, Health and Nutrition, Osaka 567-0085, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka 565-0871, Japan
- Global Center for Medical Engineering and Informatics, Osaka University, Osaka 565-0871, Japan
- Center for Infectious Disease Education and Research, Osaka University, Osaka 565-0871, Japan
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2
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Tang Q, Hu Z, Zhao J, Zhou T, Tang S, Wang P, Xiao R, Chen Y, Wu L, Zhou M, Liang D. CRISPR-Mediated In Situ Introduction or Integration of F9-Padua in Human iPSCs for Gene Therapy of Hemophilia B. Int J Mol Sci 2023; 24:ijms24109013. [PMID: 37240366 DOI: 10.3390/ijms24109013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 05/10/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
Hemophilia B (HB) is an X-linked recessive disease caused by F9 gene mutation and functional coagulation factor IX (FIX) deficiency. Patients suffer from chronic arthritis and death threats owing to excessive bleeding. Compared with traditional treatments, gene therapy for HB has obvious advantages, especially when the hyperactive FIX mutant (FIX-Padua) is used. However, the mechanism by which FIX-Padua works remains ambiguous due to a lack of research models. Here, in situ introduction of F9-Padua mutation was performed in human induced pluripotent stem cells (hiPSCs) via CRISPR/Cas9 and single-stranded oligodeoxynucleotides (ssODNs). The hyperactivity of FIX-Padua was confirmed to be 364% of the normal level in edited hiPSCs-derived hepatocytes, providing a reliable model for exploring the mechanism of the hyperactivity of FIX-Padua. Moreover, the F9 cDNA containing F9-Padua was integrated before the F9 initiation codon by CRISPR/Cas9 in iPSCs from an HB patient (HB-hiPSCs). Integrated HB-hiPSCs after off-target screening were differentiated into hepatocytes. The FIX activity in the supernatant of integrated hepatocytes showed a 4.2-fold increase and reached 63.64% of the normal level, suggesting a universal treatment for HB patients with various mutations in F9 exons. Overall, our study provides new approaches for the exploration and development of cell-based gene therapy for HB.
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Affiliation(s)
- Qiyu Tang
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Zhiqing Hu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Junya Zhao
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Tao Zhou
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Shuqing Tang
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Peiyun Wang
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Rou Xiao
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Yan Chen
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Lingqian Wu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Miaojin Zhou
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
| | - Desheng Liang
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410078, China
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3
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Ornitz DM, Itoh N. New developments in the biology of fibroblast growth factors. WIREs Mech Dis 2022; 14:e1549. [PMID: 35142107 PMCID: PMC10115509 DOI: 10.1002/wsbm.1549] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 11/08/2021] [Accepted: 11/09/2021] [Indexed: 01/28/2023]
Abstract
The fibroblast growth factor (FGF) family is composed of 18 secreted signaling proteins consisting of canonical FGFs and endocrine FGFs that activate four receptor tyrosine kinases (FGFRs 1-4) and four intracellular proteins (intracellular FGFs or iFGFs) that primarily function to regulate the activity of voltage-gated sodium channels and other molecules. The canonical FGFs, endocrine FGFs, and iFGFs have been reviewed extensively by us and others. In this review, we briefly summarize past reviews and then focus on new developments in the FGF field since our last review in 2015. Some of the highlights in the past 6 years include the use of optogenetic tools, viral vectors, and inducible transgenes to experimentally modulate FGF signaling, the clinical use of small molecule FGFR inhibitors, an expanded understanding of endocrine FGF signaling, functions for FGF signaling in stem cell pluripotency and differentiation, roles for FGF signaling in tissue homeostasis and regeneration, a continuing elaboration of mechanisms of FGF signaling in development, and an expanding appreciation of roles for FGF signaling in neuropsychiatric diseases. This article is categorized under: Cardiovascular Diseases > Molecular and Cellular Physiology Neurological Diseases > Molecular and Cellular Physiology Congenital Diseases > Stem Cells and Development Cancer > Stem Cells and Development.
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Affiliation(s)
- David M Ornitz
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Nobuyuki Itoh
- Kyoto University Graduate School of Pharmaceutical Sciences, Sakyo, Kyoto, Japan
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4
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Human-Origin iPSC-Based Recellularization of Decellularized Whole Rat Livers. Bioengineering (Basel) 2022; 9:bioengineering9050219. [PMID: 35621497 PMCID: PMC9137624 DOI: 10.3390/bioengineering9050219] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/17/2022] [Indexed: 11/28/2022] Open
Abstract
End-stage liver diseases lead to mortality of millions of patients, as the only treatment available is liver transplantation and donor scarcity means that patients have to wait long periods before receiving a new liver. In order to minimize donor organ scarcity, a promising bioengineering approach is to decellularize livers that do not qualify for transplantation. Through decellularization, these organs can be used as scaffolds for developing new functional organs. In this process, the original cells of the organ are removed and ideally should be replaced by patient-specific cells to eliminate the risk of immune rejection. Induced pluripotent stem cells (iPSCs) are ideal candidates for developing patient-specific organs, yet the maturity and functionality of iPSC-derived cells do not match those of primary cells. In this study, we introduced iPSCs into decellularized rat liver scaffolds prior to the start of differentiation into hepatic lineages to maximize the exposure of iPSCs to native liver matrices. Through exposure to the unique composition and native 3D organization of the liver microenvironment, as well as the more efficient perfusion culture throughout the differentiation process, iPSC differentiation into hepatocyte-like cells was enhanced. The resulting cells showed significantly higher expression of mature hepatocyte markers, including important CYP450 enzymes, along with lower expression of fetal markers, such as AFP. Importantly, the gene expression profile throughout the different stages of differentiation was more similar to native development. Our study shows that the native 3D liver microenvironment has a pivotal role to play in the development of human-origin hepatocyte-like cells with more mature characteristics.
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Torizal FG, Lau QY, Ibuki M, Kawai Y, Horikawa M, Minami M, Michiue T, Horiguchi I, Nishikawa M, Sakai Y. A miniature dialysis-culture device allows high-density human-induced pluripotent stem cells expansion from growth factor accumulation. Commun Biol 2021; 4:1316. [PMID: 34799690 PMCID: PMC8604949 DOI: 10.1038/s42003-021-02848-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 11/04/2021] [Indexed: 11/16/2022] Open
Abstract
Three-dimensional aggregate-suspension culture is a potential biomanufacturing method to produce a large number of human induced pluripotent stem cells (hiPSCs); however, the use of expensive growth factors and method-induced mechanical stress potentially result in inefficient production costs and difficulties in preserving pluripotency, respectively. Here, we developed a simple, miniaturized, dual-compartment dialysis-culture device based on a conventional membrane-culture insert with deep well plates. The device improved cell expansion up to approximately ~3.2 to 4×107 cells/mL. The high-density expansion was supported by reduction of excessive shear stress and agglomeration mediated by the addition of the functional polymer FP003. The results revealed accumulation of several growth factors, including fibroblast growth factor 2 and insulin, along with endogenous Nodal, which acts as a substitute for depleted transforming growth factor-β1 in maintaining pluripotency. Because we used the same growth-factor formulation per volume in the upper culture compartment, the cost reduced in inverse proportional manner with the cell density. We showed that growth-factor-accumulation dynamics in a low-shear-stress environment successfully improved hiPSC proliferation, pluripotency, and differentiation potential. This miniaturised dialysis-culture system demonstrated the feasibility of cost-effective mass production of hiPSCs in high-density culture.
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Affiliation(s)
- Fuad Gandhi Torizal
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan. .,Department of Chemical Systems Engineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan.
| | - Qiao You Lau
- grid.26999.3d0000 0001 2151 536XDepartment of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Masato Ibuki
- grid.410860.b0000 0000 9776 0030Regenerative Medicine and Cell Therapy Laboratories, Kaneka Corporation, Kobe, Japan
| | - Yoshikazu Kawai
- grid.410860.b0000 0000 9776 0030Regenerative Medicine and Cell Therapy Laboratories, Kaneka Corporation, Kobe, Japan
| | - Masato Horikawa
- grid.420062.20000 0004 1763 4894Materials Research Laboratories, Nissan Chemical Corporation, Saitama, Japan
| | - Masataka Minami
- grid.420062.20000 0004 1763 4894Materials Research Laboratories, Nissan Chemical Corporation, Saitama, Japan
| | - Tatsuo Michiue
- grid.26999.3d0000 0001 2151 536XDepartment of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
| | - Ikki Horiguchi
- grid.136593.b0000 0004 0373 3971Department of Biotechnology, Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Masaki Nishikawa
- grid.26999.3d0000 0001 2151 536XDepartment of Chemical Systems Engineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Yasuyuki Sakai
- grid.26999.3d0000 0001 2151 536XDepartment of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan ,grid.26999.3d0000 0001 2151 536XDepartment of Chemical Systems Engineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
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6
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Enomoto J, Toba Y, Yamazaki H, Kanai M, Mizuguchi H, Matsui H. Development of a 3D Cell Culture System Using Amphiphilic Polydepsipeptides and Its Application to Hepatic Differentiation. ACS APPLIED BIO MATERIALS 2021; 4:7290-7299. [DOI: 10.1021/acsabm.1c00816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Junko Enomoto
- Bio-Industry Unit, Technology Research Laboratory, Shimadzu Corporation, 3-9-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto 619-0237, Japan
| | - Yukiko Toba
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6, Yamadaoka,
Suita, Osaka 565-0871, Japan
| | - Haruka Yamazaki
- Bio-Industry Unit, Technology Research Laboratory, Shimadzu Corporation, 3-9-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto 619-0237, Japan
| | - Masaki Kanai
- Bio-Industry Unit, Technology Research Laboratory, Shimadzu Corporation, 3-9-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto 619-0237, Japan
| | - Hiroyuki Mizuguchi
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6, Yamadaoka,
Suita, Osaka 565-0871, Japan
| | - Hayato Matsui
- Bio-Industry Unit, Technology Research Laboratory, Shimadzu Corporation, 3-9-4, Hikaridai, Seika-cho, Soraku-gun, Kyoto 619-0237, Japan
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7
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Deguchi S, Takayama K, Mizuguchi H. Generation of Human Induced Pluripotent Stem Cell-Derived Hepatocyte-Like Cells for Cellular Medicine. Biol Pharm Bull 2020; 43:608-615. [PMID: 32238703 DOI: 10.1248/bpb.b19-00740] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Liver transplantation and hepatocyte transplantation are effective treatments for severe liver injuries, but the donor shortage is a serious problem. Therefore, hepatocyte-like cells generated from human induced pluripotent stem (iPS) cells with unlimited proliferative ability are expected to be a promising new transplantation resource. The technology for hepatic differentiation from human iPS cells has made great progress in this decade. The efficiency of hepatic differentiation now exceeds 90%, making it possible to produce nearly homogeneous hepatocyte-like cells from human iPS cells. Because there is little contamination of undifferentiated cells, there is a lower risk of teratoma formation. To date, the transplantation of human iPS cell-derived hepatocyte-like cells has been shown to have therapeutic effects using various liver injury model mice. Currently, studies are underway using model animals larger than mice. The day when human iPS cell-derived hepatocyte-like cells can be used as cellular medicine is surely approaching. In this review, we introduce the forefront of regenerative medicine applications using human iPS cell-derived hepatocyte-like cells.
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Affiliation(s)
- Sayaka Deguchi
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University
| | - Kazuo Takayama
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University.,PRESTO, Japan Science and Technology Agency.,Laboratory of Hepatocyte Regulation, National Institutes of Biomedical Innovation, Health and Nutrition
| | - Hiroyuki Mizuguchi
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University.,Laboratory of Hepatocyte Regulation, National Institutes of Biomedical Innovation, Health and Nutrition.,Global Center for Medical Engineering and Informatics, Osaka University.,Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University
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8
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Nitta S, Hisasue M, Horiguchi Y, Yamada Y, Kikuchi K, Kubo T, Igarashi H, Neo S. Three-dimensional spheroid culture of canine hepatocyte-like cells derived from bone marrow mesenchymal stem cells. Regen Ther 2020; 15:210-215. [PMID: 33426221 PMCID: PMC7770424 DOI: 10.1016/j.reth.2020.09.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/30/2020] [Accepted: 09/11/2020] [Indexed: 12/12/2022] Open
Abstract
Introduction Primary cultured hepatocytes are an important model for early safety evaluations of newly developed drugs. Many factors, however, hinder the wider applications of this technology, especially the difficulty to maintain these cells in long-term culture. To date, creating a stable supply of human or animal hepatocytes with proper hepatic function in vitro has not been achieved. Furthermore, frequently harvesting hepatocytes from living donors for use in culture is highly invasive and simply not feasible. We have previously reported that canine bone marrow-derived mesenchymal stem cells (cBMSCs) can be effectively converted into induced hepatocyte-like cells (iHep cells); however, these cells had reduced function in comparison to mature hepatocytes. In recent studies, spheroid formation-based three-dimensional (3D) culture has been noted to greatly increase hepatocyte function; nevertheless, no reports have described the use of this technology for culturing canine hepatocytes. Therefore, in this study, we aimed to establish a 3D spheroid culture using converted canine iHep cells to investigate their function as hepatocytes. Methods The iHep cells were prepared by introducing two genes, namely, the Forkhead box A1 (Foxa1) and hepatocyte nuclear factor 4 homeobox alpha (Hnf4α), into cBMSCs seeded onto an ultra-low attachment microplate to induce spheroid formation. Thereafter, the hepatic functions of these spheroids were evaluated using immunocytochemistry, as well as qualitative and quantitative PCR. Results Notably, albumin was observed in the iHep spheroids and the expression of hepatic genes, such as albumin and drug metabolism CYP genes, could also be detected. Another interesting finding was evident upon further comparing the quantified albumin gene and CYP2E1 gene expressions in the two-dimensional and three-dimensional culture systems; notably, a 100- to 200-fold increase in gene expression levels was observed in the three-dimensional spheroids when compared to those in conventional monolayers. Conclusions Upon incorporating three-dimensional technology, we managed to achieve iHep spheroids that are closer in gene expression to living liver tissue compared to conventional monolayer cultures. Thus, we are one step closer to creating a sustainable in vitro hepatocyte model. Furthermore, we believe that this system is capable of maintaining the stable drug metabolizing capacity of canine hepatocytes in vitro, which might be useful in improving current drug assessment studies.
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Affiliation(s)
- Suguru Nitta
- Laboratory of Small Animal Internal Medicine, School of Veterinary Medicine, Azabu University, Sagamihara City, Kanagawa, Japan
| | - Masaharu Hisasue
- Laboratory of Small Animal Internal Medicine, School of Veterinary Medicine, Azabu University, Sagamihara City, Kanagawa, Japan
| | - Yu Horiguchi
- Laboratory of Small Animal Internal Medicine, School of Veterinary Medicine, Azabu University, Sagamihara City, Kanagawa, Japan
| | - Yoko Yamada
- Laboratory of Small Animal Internal Medicine, School of Veterinary Medicine, Azabu University, Sagamihara City, Kanagawa, Japan
| | - Kaoruko Kikuchi
- Laboratory of Small Animal Internal Medicine, School of Veterinary Medicine, Azabu University, Sagamihara City, Kanagawa, Japan
| | - Takeaki Kubo
- Celltrust Animal Therapeutics Co., Ltd, Yokohama City, Kanagawa, Japan.,Foundation for Biomedical Research and Innovation at Kobe, Research & Development Center for Cell Therapy, Kobe City, Hyogo, Japan
| | - Hirotaka Igarashi
- Laboratory of Small Animal Internal Medicine, School of Veterinary Medicine, Azabu University, Sagamihara City, Kanagawa, Japan
| | - Sakurako Neo
- Laboratory of Clinical Diagnostics, School of Veterinary Medicine, Azabu University, Sagamihara City, Kanagawa, Japan
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9
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Zakeri N, Mirdamadi ES, Kalhori D, Solati-Hashjin M. Signaling molecules orchestrating liver regenerative medicine. J Tissue Eng Regen Med 2020; 14:1715-1737. [PMID: 33043611 DOI: 10.1002/term.3135] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/06/2020] [Accepted: 09/09/2020] [Indexed: 12/19/2022]
Abstract
The liver is in charge of more than 500 functions in the human body, which any damage and failure to the liver can significantly compromise human life. Numerous studies are being carried out in regenerative medicine, as a potential driving force, toward alleviating the need for liver donors and fabrication of a 3D-engineered transplantable hepatic tissue. Liver tissue engineering brings three main factors of cells, extracellular matrix (ECM), and signaling molecules together, while each of these three factors tries to mimic the physiological state of the tissue to direct tissue regeneration. Signaling molecules play a crucial role in directing tissue fabrication in liver tissue engineering. When mimicking the natural in vivo process of regeneration, it is tightly associated with three main phases of differentiation, proliferation (progression), and tissue maturation through vascularization while directing each of these phases is highly regulated by the specific signaling molecules. The understanding of how these signaling molecules guide the dynamic behavior of regeneration would be a tool for further tailoring of bioengineered systems to help the liver regeneration with many cellular, molecular, and tissue-level functions. Hence, the signaling molecules come to aid all these phases for further improvements toward the clinical use of liver tissue engineering as the goal.
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Affiliation(s)
- Nima Zakeri
- BioFabrication Lab (BFL), Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Elnaz Sadat Mirdamadi
- BioFabrication Lab (BFL), Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Dianoosh Kalhori
- BioFabrication Lab (BFL), Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Mehran Solati-Hashjin
- BioFabrication Lab (BFL), Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
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10
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Kiso A, Toba Y, Tsutsumi S, Deguchi S, Igai K, Koshino S, Tanaka Y, Takayama K, Mizuguchi H. Tolloid-Like 1 Negatively Regulates Hepatic Differentiation of Human Induced Pluripotent Stem Cells Through Transforming Growth Factor Beta Signaling. Hepatol Commun 2020; 4:255-267. [PMID: 32025609 PMCID: PMC6996343 DOI: 10.1002/hep4.1466] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Accepted: 12/03/2019] [Indexed: 12/17/2022] Open
Abstract
Single nucleotide polymorphisms in Tolloid‐like 1 (TLL1) and the expression of TLL1 are known to be closely related to hepatocarcinogenesis after hepatitis C virus elimination or liver fibrosis in patients with nonalcoholic fatty liver disease. TLL1 is a type of matrix metalloprotease and has two isoforms in humans, with the short isoform showing higher activity. However, the functional role of TLL1 in human liver development is unknown. Here, we attempted to elucidate the function of human TLL1 using hepatocyte‐like cells generated from human pluripotent stem cells. First, we generated TLL1‐knockout human induced pluripotent stem (iPS) cells and found that hepatic differentiation was promoted by TLL1 knockout. Next, we explored TLL1‐secreting cells using a model of liver development and identified that kinase insert domain receptor (FLK1)‐positive cells (mesodermal cells) highly express TLL1. Finally, to elucidate the mechanism by which TLL1 knockout promotes hepatic differentiation, the expression profiles of transforming growth factor beta (TGFβ), a main target gene of TLL1, and its related genes were analyzed in hepatic differentiation. Both the amount of active TGFβ and the expression of TGFβ target genes were decreased by TLL1 knockout. It is known that TGFβ negatively regulates hepatic differentiation. Conclusion: TLL1 appears to negatively regulate hepatic differentiation of human iPS cells by up‐regulating TGFβ signaling. Our findings will provide new insight into the function of TLL1 in human liver development.
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Affiliation(s)
- Ayumi Kiso
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences Osaka University Osaka Japan
| | - Yukiko Toba
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences Osaka University Osaka Japan.,Laboratory of Hepatocyte Regulation National Institutes of Biomedical Innovation, Health, and Nutrition Osaka Japan
| | - Susumu Tsutsumi
- Department of Gastroenterology and Metabolism Nagoya City University Graduate School of Medical Sciences Nagoya Japan
| | - Sayaka Deguchi
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences Osaka University Osaka Japan
| | - Keisuke Igai
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences Osaka University Osaka Japan
| | - Saki Koshino
- Laboratory of Hepatocyte Regulation National Institutes of Biomedical Innovation, Health, and Nutrition Osaka Japan.,Laboratory of Biochemistry and Molecular Biology, School of Pharmaceutical Sciences Osaka University Osaka Japan
| | - Yasuhito Tanaka
- Department of Gastroenterology and Metabolism Nagoya City University Graduate School of Medical Sciences Nagoya Japan
| | - Kazuo Takayama
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences Osaka University Osaka Japan.,Laboratory of Hepatocyte Regulation National Institutes of Biomedical Innovation, Health, and Nutrition Osaka Japan.,Laboratory of Biochemistry and Molecular Biology, School of Pharmaceutical Sciences Osaka University Osaka Japan.,Precursory Research for Embryonic Science and Technology, Japan Science and Technology Agency Saitama Japan
| | - Hiroyuki Mizuguchi
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences Osaka University Osaka Japan.,Laboratory of Hepatocyte Regulation National Institutes of Biomedical Innovation, Health, and Nutrition Osaka Japan.,Laboratory of Biochemistry and Molecular Biology, School of Pharmaceutical Sciences Osaka University Osaka Japan.,Global Center for Medical Engineering and Informatics Osaka University Osaka Japan.,Integrated Frontier Research for Medical Science Division Institute for Open and Transdisciplinary Research Initiatives Osaka University Osaka Japan
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11
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Takayama K. [Pharmaceutical Research on Liver Diseases Using iPS Cell and Genome Editing Technologies]. YAKUGAKU ZASSHI 2019; 139:1219-1225. [PMID: 31582604 DOI: 10.1248/yakushi.19-00138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The liver is a major organ responsible for maintaining the body's homeostasis and xenobiotic metabolism. Liver transplantation is essential for the alleviation of many severe liver diseases. However, there are many patients who cannot receive liver transplants because of donor shortage. Therefore development of effective therapeutic drugs that can replace the need for liver transplantation is desired. To this end, model cells that faithfully reproduce hepatic functions are essential. It is expected that human induced pluripotent stem cell (iPS)-derived hepatocyte-like cells, which faithfully reproduce hepatic functions, would be a valuable tool for drug discovery. Hepatic differentiation from human iPS cells has been performed using growth factors, but the hepatic differentiation efficiency was quite low and liver functions of human iPS cell-derived hepatocyte-like cells were lower than those of primary human hepatocytes. Therefore we tried to improve the hepatic differentiation technology using gene transfer, genome editing, three-dimensional culture, and extracellular matrix technologies. As a result, the purity of human iPS cell-derived hepatocyte-like cells was improved into 90% or more, and the liver functions of human iPS cell-derived hepatocyte-like cells were improved to a level comparable to primary human hepatocytes. In this article, we introduce the research results we have acquired over the last decade.
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Affiliation(s)
- Kazuo Takayama
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University.,Laboratory of Hepatocyte Regulation, National Institutes of Biomedical Innovation, Health and Nutrition.,PRESTO, Japan Science and Technology Agency
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