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KIMURA K, NAGAKURA H, TSUKAMOTO M, YOSHIDA T, SUGISAKI H, SHISHIDA K, TACHI Y, SHIMASAKI S, SUGIURA K, HATOYA S. Canine induced pluripotent stem cells can be successfully maintained in weekend-free culture systems. J Vet Med Sci 2024; 86:247-257. [PMID: 38171744 PMCID: PMC10963097 DOI: 10.1292/jvms.23-0422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/27/2023] [Indexed: 01/05/2024] Open
Abstract
Canine induced pluripotent stem cells (ciPSCs) can provide useful insights into novel therapies in both veterinary and medical fields. However, limited accessibility to the present culture medium and requirement of considerable time, effort, and cost for routine ciPSC maintenance restrict advancement in ciPSC research. In addition, it is unknown whether ciPSC culture conditions influence differentiation propensity. We investigated the availability of the common human pluripotent stem cells (hPSCs) culture systems for ciPSC maintenance and the differentiation propensities of the ciPSCs maintained in these culture systems. StemFlex and mTeSR Plus supported PSC-like colony formation and pluripotency markers expression in ciPSCs even after five passages. Additionally, ciPSCs were maintained under weekend-free culture conditions with a stable growth rate, pluripotency marker expression, and differentiation abilities using vitronectin (VTN-N) and Geltrex. Following maintenance of spontaneously differentiated ciPSCs under various conditions by embryoid body formation, there were few differences in the differentiation propensities of ciPSCs among the tested culture conditions. Thus, ciPSCs were successfully cultured under weekend-free conditions for ciPSC maintenance using StemFlex or mTeSR Plus with VTN-N or Geltrex. The present study offers simpler and more effort-, time-, and cost-saving options for ciPSC culture systems, which may lead to further development in research using ciPSCs.
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Affiliation(s)
- Kazuto KIMURA
- Department of Advanced Pathobiology, Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan
| | - Hiroya NAGAKURA
- Department of Advanced Pathobiology, Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan
| | - Masaya TSUKAMOTO
- Department of Advanced Pathobiology, Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan
| | - Takumi YOSHIDA
- Department of Advanced Pathobiology, Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan
| | - Hiroko SUGISAKI
- Department of Advanced Pathobiology, Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan
| | - Kohei SHISHIDA
- Department of Advanced Pathobiology, Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan
| | - Yuta TACHI
- Department of Advanced Pathobiology, Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan
| | - Shoko SHIMASAKI
- Department of Advanced Pathobiology, Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan
| | - Kikuya SUGIURA
- Department of Advanced Pathobiology, Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan
| | - Shingo HATOYA
- Department of Advanced Pathobiology, Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka, Japan
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Yang X, Chen D, Sun Q, Wang Y, Xia Y, Yang J, Lin C, Dang X, Cen Z, Liang D, Wei R, Xu Z, Xi G, Xue G, Ye C, Wang LP, Zou P, Wang SQ, Rivera-Fuentes P, Püntener S, Chen Z, Liu Y, Zhang J, Zhao Y. A live-cell image-based machine learning strategy for reducing variability in PSC differentiation systems. Cell Discov 2023; 9:53. [PMID: 37280224 DOI: 10.1038/s41421-023-00543-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 03/13/2023] [Indexed: 06/08/2023] Open
Abstract
The differentiation of pluripotent stem cells (PSCs) into diverse functional cell types provides a promising solution to support drug discovery, disease modeling, and regenerative medicine. However, functional cell differentiation is currently limited by the substantial line-to-line and batch-to-batch variabilities, which severely impede the progress of scientific research and the manufacturing of cell products. For instance, PSC-to-cardiomyocyte (CM) differentiation is vulnerable to inappropriate doses of CHIR99021 (CHIR) that are applied in the initial stage of mesoderm differentiation. Here, by harnessing live-cell bright-field imaging and machine learning (ML), we realize real-time cell recognition in the entire differentiation process, e.g., CMs, cardiac progenitor cells (CPCs), PSC clones, and even misdifferentiated cells. This enables non-invasive prediction of differentiation efficiency, purification of ML-recognized CMs and CPCs for reducing cell contamination, early assessment of the CHIR dose for correcting the misdifferentiation trajectory, and evaluation of initial PSC colonies for controlling the start point of differentiation, all of which provide a more invulnerable differentiation method with resistance to variability. Moreover, with the established ML models as a readout for the chemical screen, we identify a CDK8 inhibitor that can further improve the cell resistance to the overdose of CHIR. Together, this study indicates that artificial intelligence is able to guide and iteratively optimize PSC differentiation to achieve consistently high efficiency across cell lines and batches, providing a better understanding and rational modulation of the differentiation process for functional cell manufacturing in biomedical applications.
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Affiliation(s)
- Xiaochun Yang
- State Key Laboratory of Natural and Biomimetic Drugs, MOE Key Laboratory of Cell Proliferation and Differentiation, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China
| | - Daichao Chen
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Qiushi Sun
- Beijing Key Lab of Traffic Data Analysis and Mining, School of Computer and Information Technology, Beijing Jiaotong University, Beijing, China
| | - Yao Wang
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Yu Xia
- College of Engineering, Peking University, Beijing, China
| | - Jinyu Yang
- College of Engineering, Peking University, Beijing, China
| | - Chang Lin
- College of Chemistry and Molecular Engineering, Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, China
| | - Xin Dang
- State Key Laboratory of Natural and Biomimetic Drugs, MOE Key Laboratory of Cell Proliferation and Differentiation, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China
| | - Zimu Cen
- State Key Laboratory of Natural and Biomimetic Drugs, MOE Key Laboratory of Cell Proliferation and Differentiation, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China
| | - Dongdong Liang
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Rong Wei
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Ze Xu
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing, China
| | - Guangyin Xi
- State Key Laboratory of Natural and Biomimetic Drugs, MOE Key Laboratory of Cell Proliferation and Differentiation, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China
| | - Gang Xue
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, China
| | - Can Ye
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Li-Peng Wang
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing, China
| | - Peng Zou
- College of Chemistry and Molecular Engineering, Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, China
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, China
| | - Shi-Qiang Wang
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing, China
| | | | - Salome Püntener
- Department of Chemistry, University of Zurich, Zurich, Switzerland
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédéral de Lausanne, Lausanne, Switzerland
| | - Zhixing Chen
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, China
- Institute of Molecular Medicine, National Biomedical Imaging Center, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, College of Future Technology, Peking University, Beijing, China
| | - Yi Liu
- Beijing Key Lab of Traffic Data Analysis and Mining, School of Computer and Information Technology, Beijing Jiaotong University, Beijing, China.
| | - Jue Zhang
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China.
- College of Engineering, Peking University, Beijing, China.
| | - Yang Zhao
- State Key Laboratory of Natural and Biomimetic Drugs, MOE Key Laboratory of Cell Proliferation and Differentiation, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China.
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, China.
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3
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Tao F, Hanada S, Matsushima K, Arakawa H, Ishida N, Kato Y, Okimura S, Watanabe T, Kojima N. Enhancement and maintenance of hepatic metabolic functions by controlling 3D aggregation of cryopreserved human iPS cell-derived hepatocyte-like cells. J Biosci Bioeng 2023; 135:134-142. [PMID: 36481309 DOI: 10.1016/j.jbiosc.2022.10.006] [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: 07/31/2022] [Revised: 10/05/2022] [Accepted: 10/14/2022] [Indexed: 12/12/2022]
Abstract
Hepatocyte-like cells (HLCs) generated from human induced pluripotent stem cells are potent cells to study individual-specific hepatotoxicity for drug screening test. However, the functions of metabolic enzymes are practically low. Here, we reconstituted stable and compact 3D spheroids of commercially available cryopreserved HLCs by our original spheroid formation method with high viscous methylcellulose medium. 3D formation enhanced the hepatic functions and maintained the functions for 14 days. Especially, the expression of cytochrome P450s was 10- to 100-fold enhanced compared to conventional 2D culture, which is applicable to a typical drug-metabolizing test using liquid chromatograph-tandem mass spectrometer. In conclusion, we successfully formed human HLC spheroid from commercially available cryo-preserved cells, which realized remarkable hepatic maturation by prolonged 3D culture, especially in terms of drug-metabolizing enzymes. Our spheroid formation technology has the potential to make HLC spheroids a potent tool in aspects of pharmaceutical research, such as drug screening and pharmacokinetic studies.
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Affiliation(s)
- Fumiya Tao
- Department of Life and Environmental System Science, Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama, Kanagawa 236-0027, Japan
| | - Sanshiro Hanada
- Department of Life and Environmental System Science, Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama, Kanagawa 236-0027, Japan
| | - Kazuya Matsushima
- Department of Life and Environmental System Science, Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama, Kanagawa 236-0027, Japan
| | - Hiroshi Arakawa
- Faculty of Pharmacy, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Naoki Ishida
- Faculty of Pharmacy, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Yukio Kato
- Faculty of Pharmacy, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Saya Okimura
- REPROCELL Inc., 3-8-11 Shin-yokohama, Kohoku-ku, Yokohama, Kanagawa 222-0033, Japan
| | - Tomohisa Watanabe
- Shonan Laboratory, REPROCELL Inc., 2-26-1 Muraoka-higashi, Fujisawa, Kanagawa 251-8555, Japan
| | - Nobuhiko Kojima
- Department of Life and Environmental System Science, Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama, Kanagawa 236-0027, Japan.
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Kamishibahara Y, Okamoto S, Ohkuma T, Taniguchi H. Stabilized generation of human iPSC-derived liver organoids using a modified coating approach. Biol Methods Protoc 2022; 8:bpac034. [PMID: 36694573 PMCID: PMC9869720 DOI: 10.1093/biomethods/bpac034] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/24/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022] Open
Abstract
Human-induced pluripotent stem cell (hiPSC)-derived hepatic cells are useful tools for regenerative medicine, and various culture substrates are currently used for their differentiation. We differentiated hiPSC-derived hepatic endoderm (HE), endothelial cells (ECs), and mesenchymal cells (MCs) using Laminin-511 (LN) coating to generate liver organoids, hiPSC-liver buds (hiPSC-LBs), which exhibited therapeutic effects when transplanted into disease model animals. Stably producing significant amounts of hiPSC-LBs is necessary for sufficient therapeutic effects. However, general precoating (standard coating) requires quick manipulation, often causing failure for inexperienced cell cultures, we thus tested direct LN addition to the culture medium (Direct coating). Using quantitative gene expression, flow cytometry, albumin secretion, and ammonia metabolism, we demonstrated that Standard and Direct coating similarly induce hiPSC-derived hepatocyte, mesodermal cell, EC, and MC differentiation. Standard and Direct coating-differentiated cells generated iPSC-LBs with equivalent hepatic functions. Furthermore, Direct coating enabled stable induction of differentiation independent of individual culture skills and reduced total amount of LN use as the same differentiated cell quality can be obtained upon LN supplementation at lower concentrations. In summary, the results of this study suggest that Direct coating could enable stable hiPSC-LB production at a low cost, thereby yielding mass cell production using hiPSCs.
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Affiliation(s)
- Yu Kamishibahara
- Department of Regenerative Medicine, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Satoshi Okamoto
- Correspondence address. (S.O.) Department of Regenerative Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan. Tel/: +81 45 787 8963; E-mail: . (H.T.) Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, the University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan. Tel: +81 3 5449 5698; E-mail:
| | - Takuya Ohkuma
- Department of Regenerative Medicine, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan
| | - Hideki Taniguchi
- Correspondence address. (S.O.) Department of Regenerative Medicine, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan. Tel/: +81 45 787 8963; E-mail: . (H.T.) Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, the University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan. Tel: +81 3 5449 5698; E-mail:
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5
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Li Y, Yang X, Plummer R, Hayashi Y, Deng XS, Nie YZ, Taniguchi H. Human Pluripotent Stem Cell-Derived Hepatocyte-Like Cells and Organoids for Liver Disease and Therapy. Int J Mol Sci 2021; 22:ijms221910471. [PMID: 34638810 PMCID: PMC8508923 DOI: 10.3390/ijms221910471] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/24/2021] [Accepted: 09/24/2021] [Indexed: 12/12/2022] Open
Abstract
Liver disease is a global health issue that has caused an economic burden worldwide. Organ transplantation is the only effective therapy for end-stage liver disease; however, it has been hampered by a shortage of donors. Human pluripotent stem cells (hPSCs) have been widely used for studying liver biology and pathology as well as facilitating the development of alternative therapies. hPSCs can differentiate into multiple types of cells, which enables the generation of various models that can be applied to investigate and recapitulate a range of biological activities in vitro. Here, we summarize the recent development of hPSC-derived hepatocytes and their applications in disease modeling, cell therapy, and drug discovery. We also discuss the advantages and limitations of these applications and critical challenges for further development.
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Affiliation(s)
- Yang Li
- Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan; (Y.L.); (X.Y.); (R.P.); (Y.H.); (X.-S.D.)
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo 108-8639, Japan
| | - Xia Yang
- Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan; (Y.L.); (X.Y.); (R.P.); (Y.H.); (X.-S.D.)
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo 108-8639, Japan
| | - Richie Plummer
- Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan; (Y.L.); (X.Y.); (R.P.); (Y.H.); (X.-S.D.)
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo 108-8639, Japan
| | - Yoshihito Hayashi
- Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan; (Y.L.); (X.Y.); (R.P.); (Y.H.); (X.-S.D.)
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo 108-8639, Japan
| | - Xiao-Shan Deng
- Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan; (Y.L.); (X.Y.); (R.P.); (Y.H.); (X.-S.D.)
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo 108-8639, Japan
| | - Yun-Zhong Nie
- Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan; (Y.L.); (X.Y.); (R.P.); (Y.H.); (X.-S.D.)
- Department of Regenerative Medicine, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Kanagawa, Japan
- Correspondence: (Y.-Z.N.); (H.T.); Tel.: +81-03-5449-5698 (H.T.)
| | - Hideki Taniguchi
- Division of Regenerative Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan; (Y.L.); (X.Y.); (R.P.); (Y.H.); (X.-S.D.)
- Department of Regenerative Medicine, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Kanagawa, Japan
- Correspondence: (Y.-Z.N.); (H.T.); Tel.: +81-03-5449-5698 (H.T.)
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An Efficient Method for the Differentiation of Human iPSC-Derived Endoderm toward Enterocytes and Hepatocytes. Cells 2021; 10:cells10040812. [PMID: 33917333 PMCID: PMC8067398 DOI: 10.3390/cells10040812] [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: 03/18/2021] [Revised: 03/31/2021] [Accepted: 04/02/2021] [Indexed: 12/13/2022] Open
Abstract
The endoderm, differentiated from human induced pluripotent stem cells (iPSCs), can differentiate into the small intestine and liver, which are vital for drug absorption and metabolism. The development of human iPSC-derived enterocytes (HiEnts) and hepatocytes (HiHeps) has been reported. However, pharmacokinetic function-deficiency of these cells remains to be elucidated. Here, we aimed to develop an efficient differentiation method to induce endoderm formation from human iPSCs. Cells treated with activin A for 168 h expressed higher levels of endodermal genes than those treated for 72 h. Using activin A (days 0–7), CHIR99021 and PI−103 (days 0–2), and FGF2 (days 3–7), the hiPSC-derived endoderm (HiEnd) showed 97.97% CD−117 and CD−184 double-positive cells. Moreover, HiEnts derived from the human iPSC line Windy had similar or higher expression of small intestine-specific genes than adult human small intestine. Activities of the drug transporter P-glycoprotein and drug-metabolizing enzyme cytochrome P450 (CYP) 3A4/5 were confirmed. Additionally, Windy-derived HiHeps expressed higher levels of hepatocyte- and pharmacokinetics-related genes and proteins and showed higher CYP3A4/5 activity than those derived through the conventional differentiation method. Thus, using this novel method, the differentiated HiEnts and HiHeps with pharmacokinetic functions could be used for drug development.
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A Chemically Defined Serum-Free Culture System for Spontaneous Human Mesenchymal Stem Cell Spheroid Formation. Stem Cells Int 2020; 2020:1031985. [PMID: 32215013 PMCID: PMC7081039 DOI: 10.1155/2020/1031985] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 02/10/2020] [Accepted: 02/11/2020] [Indexed: 12/21/2022] Open
Abstract
Mesenchymal stem cells (MSCs) possess promising potential in tissue engineering and regenerative medicine. Previous studies demonstrated that spheroid formation of MSCs exhibited improved stemness maintenance and therapeutic potential compared with monolayer culture. To date, various spheroid culture systems have been developed but most of them required low adhesion conditions or special equipment. In this study, we demonstrated that inoculation of dissociated MSCs in TeSR-E8 medium could induce self-assemble spheroid formation in conventional tissue culture polystyrene dishes. Compared with monolayer culture, adipose-derived stem cell (ADSC) spheroids enhanced the proliferation and osteogenic capability of ADSCs compared with monolayer culture. When reseeded in normal serum-containing medium, the expression level of stemness biomarkers was even higher in spheroid-derived ADSCs than monolayer culture. Importantly, spheroid ADSCs could effectively promote the M2 polarization of macrophages both in vitro and in vivo. After transplantation into mouse, spheroid ADSCs improved the survival rate and significantly decreased serum levels of proinflammatory factors IL-1β and TNF-α following LPS challenge. In summary, we developed a 3D spheroid culture system through TeSR-E8 medium without the involvement of low adhesion conditions and special equipment, which provided a practical and convenient method for spheroid formation of MSCs with great potential for stem cell clinical therapy.
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Toba Y, Deguchi S, Mimura N, Sakamoto A, Harada K, Hirata K, Takayama K, Mizuguchi H. Comparison of commercially available media for hepatic differentiation and hepatocyte maintenance. PLoS One 2020; 15:e0229654. [PMID: 32106262 PMCID: PMC7046223 DOI: 10.1371/journal.pone.0229654] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 02/12/2020] [Indexed: 11/19/2022] Open
Abstract
Human hepatocytes are essential materials in pharmaceutical researches. Not only primary human hepatocytes (PHH) but also human iPS cell-derived hepatocyte-like cells (human iPS-HLCs) are expected to be applied as materials for pharmaceutical researches. To date, several culture media have been developed for culturing human hepatocytes. However, there have been no reports comparing these media to determine which is most suitable for culturing human hepatocytes. In this study, we compared five commercial media (Hepatocyte Culture Medium (HCM), HepatoZYME-SFM, Cellartis Power Primary HEP Medium, DMEM/F12, and William’s E Medium (WEM)) to determine which is most suitable for culturing PHH and human iPS-HLCs. In hepatic differentiation of human iPS cells (day 14–25 of differentiation), albumin (ALB) and urea secretion abilities and CYP2C9, CYP2C19, and CYP3A4 activities were the highest when using HCM or WEM. During maintenance of human iPS-HLCs, ALB and urea producing abilities and CYP2C9, CYP2C19, and CYP3A4 activities were the highest when using HCM. Importantly, we found that human iPS-HLCs cultured in HCM were maintained for 3 weeks or more without impairment of their hepatic functions. These results suggest that it is necessary to select an optimal medium for hepatic differentiation and maintenance of human iPS-HLCs. In the case of PHH culture, there was little difference in hepatic functions among the five media. However, the CYP2C9, CYP2C19, and CYP3A4 activities were the highest when using HCM and WEM. In conclusion, it is important to select the optimal medium for specific application when carrying out pharmaceutical researches using human hepatocytes.
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Affiliation(s)
- 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
| | - Sayaka Deguchi
- 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
| | - Natsumi Mimura
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan
| | - Ayaka Sakamoto
- Laboratory of Hepatocyte Regulation, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan
| | - Kazuo Harada
- Laboratory of Applied Environmental Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan
| | - Kazumasa Hirata
- Laboratory of Applied Environmental Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, 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
- PRESTO, Japan Science and Technology Agency, Saitama, Japan
- * E-mail: (KT); (HM)
| | - Hiroyuki Mizuguchi
- Laboratory of Biochemistry and Molecular Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan
- Laboratory of Applied Environmental Biology, Graduate 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 (OTRI), Osaka University, Osaka, Japan
- * E-mail: (KT); (HM)
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9
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FGF signal is not required for hepatoblast differentiation of human iPS cells. Sci Rep 2019; 9:3713. [PMID: 30842525 PMCID: PMC6403225 DOI: 10.1038/s41598-019-40305-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Accepted: 02/13/2019] [Indexed: 01/08/2023] Open
Abstract
Human induced pluripotent stem cell-derived hepatocyte-like cells are expected to be utilized in pharmaceutical research and regenerative medicine. In general, human induced pluripotent stem (iPS) cells are differentiated into hepatocyte-like cells through definitive endoderm cells and hepatoblast-like cells using various growth factors that are essential for liver development. Although recombinant bone morphogenetic proteins (BMPs) and fibroblast growth factors (FGFs) are widely used in the hepatoblast differentiation, hepatoblast differentiation process has not been fully modified. In this study, we examined the roles of BMPs and FGFs in the hepatoblast differentiation from human iPS cells. Surprisingly, the gene expression levels of hepatoblast markers were upregulated by the removal of FGFs. In addition, the percentages of hepatoblast markers-positive cells were increased by the removal of FGFs. Furthermore, the hepatocyte differentiation potency was also significantly increased by the removal of FGFs. To examine whether FGF signals are completely unnecessary for the hepatoblast differentiation, the expression levels of endogenous FGF ligands and receptors were examined. The definitive endoderm cells highly expressed the FGF ligand, FGF2, and the FGF receptor, FGFR1. To examine the role of endogenous FGF signals, an FGFR inhibitor was treated during the hepatoblast differentiation. The hepatoblast differentiation was promoted by using FGFR inhibitor, suggesting that endogenous FGF signals are also unnecessary for the hepatoblast differentiation. In conclusion, we found that FGF signals are not essential for hepatoblast differentiation. We believe that our finding will be useful for generating functional hepatocyte-like cells for medical applications.
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