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Li Z, Sun X. Epigenetic regulation in liver regeneration. Life Sci 2024; 353:122924. [PMID: 39038511 DOI: 10.1016/j.lfs.2024.122924] [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: 05/30/2023] [Revised: 07/15/2024] [Accepted: 07/17/2024] [Indexed: 07/24/2024]
Abstract
The liver is considered unique in its enormous capacity for regeneration and self-repair. In contrast to other regenerative organs (i.e., skin, skeletal muscle, and intestine), whether the adult liver contains a defined department of stem cells is still controversial. In order to compensate for the massive loss of hepatocytes following liver injury, the liver processes a precisely controlled transcriptional reprogram that can trigger cell proliferation and cell-fate switch. Epigenetic events are thought to regulate the organization of chromatin architecture and gene transcription during the liver regenerative process. In this review, we will summarize how changes to the chromatin by epigenetic modifiers are translated into cell fate transitions to restore liver homeostasis during liver regeneration.
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Affiliation(s)
- Zilong Li
- Institute of Brain Science and Brain-inspired Research, Shandong First Medical University & Shandong Academy of Medical Sciences, 250117 Jinan, Shandong, China; Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021 Jinan, Shandong, China.
| | - Xinyue Sun
- Department of Pharmacology, China Pharmaceutical University, 210009 Nanjing, Jiangsu, China
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2
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Salerno D, Peruzzi G, Giuseppe Rubens Pascucci, Levrero M, Belloni L, Pediconi N. miRNA-27a-3p is involved in the plasticity of differentiated hepatocytes. Gene 2024; 913:148387. [PMID: 38499211 DOI: 10.1016/j.gene.2024.148387] [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: 11/30/2023] [Revised: 02/01/2024] [Accepted: 03/15/2024] [Indexed: 03/20/2024]
Abstract
BACKGROUND Epigenetic mechanisms, including DNA methylation, histone modifications, and chromatin remodeling, are highly involved in the regulation of hepatocyte viability, proliferation, and plasticity. We have previously demonstrated that repression of H3K27 methylation in differentiated hepatic HepaRG cells by treatment with GSK-J4, an inhibitor of JMJD3 and UTX H3K27 demethylase activity, changed their phenotype, inducing differentiated hepatocytes to proliferate. In addition to the epigenetic enzymatic role in the regulation of the retro-differentiation process, emerging evidence indicate that microRNAs (miRNAs) are involved in controlling hepatocyte proliferation during liver regeneration. Hence, the aim of this work is to investigate the impact of H3K27 methylation on miRNAs expression profile and its role in the regulation of the differentiation status of human hepatic progenitors HepaRG cells. METHODS A miRNA-sequencing was carried out in differentiated HepaRG cells treated or not with GSK-J4. Target searching and Gene Ontology analysis were performed to identify the molecular processes modulated by differentially expressed miRNAs. The biological functions of selected miRNAs was further investigated by transfection of miRNAs inhibitors or mimics in differentiated HepaRG cells followed by qPCR analysis, albumin ELISA assay, CD49a FACS analysis and EdU staining. RESULTS We identified 12 miRNAs modulated by GSK-J4; among these, miR-27a-3p and miR- 423-5p influenced the expression of several proliferation genes in differentiated HepaRG cells. MiR-27a-3p overexpression increased the number of hepatic cells reentering proliferation. Interestingly, both miR-27a-3p and miR-423-5p did not affect the expression levels of genes involved in the differentiation of progenitors HepaRG cells. CONCLUSIONS Modulation of H3K27me3 methylation in differentiated HepaRG cells, by GSK-J4 treatment, influenced miRNA' s expression profile pushing liver cells towards a proliferating phenotype. We demonstrated the involvement of miR-27a-3p in reinducing proliferation of differentiated hepatocytes suggesting a potential role in liver plasticity.
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Affiliation(s)
- Debora Salerno
- Dept. of Molecular Medicine, Sapienza University of Rome, Italy; Center for Life Nano & Neuro Science, Istituto Italiano di Tecnologia, Viale Regina Elena 291, 00161 Rome, Italy
| | - Giovanna Peruzzi
- Center for Life Nano & Neuro Science, Istituto Italiano di Tecnologia, Viale Regina Elena 291, 00161 Rome, Italy
| | - Giuseppe Rubens Pascucci
- Research Unit of Clinical Immunology and Vaccinology, Academic Department of Pediatrics, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy; Department of Systems Medicine, University of Rome "Tor Vergata", Italy
| | - Massimo Levrero
- Cancer Research Center of Lyon (CRCL), INSERM U1052, CNRS UMR5286, Lyon, France
| | - Laura Belloni
- Center for Life Nano & Neuro Science, Istituto Italiano di Tecnologia, Viale Regina Elena 291, 00161 Rome, Italy; Dept. of Medical and Surgical Sciences and Translational Medicine, Sapienza University of Rome, Via Giorgio Nicola Papanicolau, 00189 Rome, Italy.
| | - Natalia Pediconi
- Center for Life Nano & Neuro Science, Istituto Italiano di Tecnologia, Viale Regina Elena 291, 00161 Rome, Italy; Dept. of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy.
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3
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Okumura A, Aoshima K, Tanimizu N. Generation of in vivo-like multicellular liver organoids by mimicking developmental processes: A review. Regen Ther 2024; 26:219-234. [PMID: 38903867 PMCID: PMC11186971 DOI: 10.1016/j.reth.2024.05.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 05/24/2024] [Accepted: 05/30/2024] [Indexed: 06/22/2024] Open
Abstract
Liver is involved in metabolic reactions, ammonia detoxification, and immunity. Multicellular liver tissue cultures are more desirable for drug screening, disease modeling, and researching transplantation therapy, than hepatocytes monocultures. Hepatocytes monocultures are not stable for long. Further, hepatocyte-like cells induced from pluripotent stem cells and in vivo hepatocytes are functionally dissimilar. Organoid technology circumvents these issues by generating functional ex vivo liver tissue from intrinsic liver progenitor cells and extrinsic stem cells, including pluripotent stem cells. To function as in vivo liver tissue, the liver organoid cells must be arranged precisely in the 3-dimensional space, closely mimicking in vivo liver tissue. Moreover, for long term functioning, liver organoids must be appropriately vascularized and in contact with neighboring epithelial tissues (e.g., bile canaliculi and intrahepatic bile duct, or intrahepatic and extrahepatic bile ducts). Recent discoveries in liver developmental biology allows one to successfully induce liver component cells and generate organoids. Thus, here, in this review, we summarize the current state of knowledge on liver development with a focus on its application in generating different liver organoids. We also cover the future prospects in creating (functionally and structurally) in vivo-like liver organoids using the current knowledge on liver development.
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Affiliation(s)
- Ayumu Okumura
- 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 108-0071, Japan
| | - Kenji Aoshima
- 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 108-0071, Japan
| | - Naoki Tanimizu
- 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 108-0071, Japan
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4
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Su L, Zhang M, Ji F, Zhao J, Wang Y, Wang W, Zhang S, Ma H, Wang Y, Jiao J. Microglia homeostasis mediated by epigenetic ARID1A regulates neural progenitor cells response and leads to autism-like behaviors. Mol Psychiatry 2024; 29:1595-1609. [PMID: 35858990 DOI: 10.1038/s41380-022-01703-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 01/26/2023]
Abstract
Microglia are resident macrophages of the central nervous system that selectively emerge in embryonic cortical proliferative zones and regulate neurogenesis by altering molecular and phenotypic states. Despite their important roles in inflammatory phagocytosis and neurodegenerative diseases, microglial homeostasis during early brain development has not been fully elucidated. Here, we demonstrate a notable interplay between microglial homeostasis and neural progenitor cell signal transduction during embryonic neurogenesis. ARID1A, an epigenetic subunit of the SWI/SNF chromatin-remodeling complex, disrupts genome-wide H3K9me3 occupancy in microglia and changes the epigenetic chromatin landscape of regulatory elements that influence the switching of microglial states. Perturbation of microglial homeostasis impairs the release of PRG3, which regulates neural progenitor cell self-renewal and differentiation during embryonic development. Furthermore, the loss of microglia-driven PRG3 alters the downstream cascade of the Wnt/β-catenin signaling pathway through its interaction with the neural progenitor receptor LRP6, which leads to misplaced regulation in neuronal development and causes autism-like behaviors at later stages. Thus, during early fetal brain development, microglia progress toward a more homeostatic competent phenotype, which might render neural progenitor cells respond to environmental cross-talk perturbations.
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Affiliation(s)
- Libo Su
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, 100101, Beijing, China
| | - Mengtian Zhang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, 100101, Beijing, China
| | - Fen Ji
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, 100101, Beijing, China
| | - Jinyue Zhao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, 100101, Beijing, China
| | - Yuanyuan Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, 100101, Beijing, China
| | - Wenwen Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China
- School of Life Sciences, University of Science and Technology of China, Hefei, 230026, China
| | - Shukui Zhang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China
- College of Life Sciences, Yantai University, Yantai, 264005, Shandong, China
| | - Hongyan Ma
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, 100101, Beijing, China
| | - Yanyan Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, 100101, Beijing, China
| | - Jianwei Jiao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101, Beijing, China.
- University of Chinese Academy of Sciences, 100049, Beijing, China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, 100101, Beijing, China.
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5
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Xu J, Guo P, Hao S, Shangguan S, Shi Q, Volpe G, Huang K, Zuo J, An J, Yuan Y, Cheng M, Deng Q, Zhang X, Lai G, Nan H, Wu B, Shentu X, Wu L, Wei X, Jiang Y, Huang X, Pan F, Song Y, Li R, Wang Z, Liu C, Liu S, Li Y, Yang T, Xu Z, Du W, Li L, Ahmed T, You K, Dai Z, Li L, Qin B, Li Y, Lai L, Qin D, Chen J, Fan R, Li Y, Hou J, Ott M, Sharma AD, Cantz T, Schambach A, Kristiansen K, Hutchins AP, Göttgens B, Maxwell PH, Hui L, Xu X, Liu L, Chen A, Lai Y, Esteban MA. A spatiotemporal atlas of mouse liver homeostasis and regeneration. Nat Genet 2024; 56:953-969. [PMID: 38627598 DOI: 10.1038/s41588-024-01709-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Accepted: 03/06/2024] [Indexed: 05/09/2024]
Abstract
The mechanism by which mammalian liver cell responses are coordinated during tissue homeostasis and perturbation is poorly understood, representing a major obstacle in our understanding of many diseases. This knowledge gap is caused by the difficulty involved with studying multiple cell types in different states and locations, particularly when these are transient. We have combined Stereo-seq (spatiotemporal enhanced resolution omics-sequencing) with single-cell transcriptomic profiling of 473,290 cells to generate a high-definition spatiotemporal atlas of mouse liver homeostasis and regeneration at the whole-lobe scale. Our integrative study dissects in detail the molecular gradients controlling liver cell function, systematically defining how gene networks are dynamically modulated through intercellular communication to promote regeneration. Among other important regulators, we identified the transcriptional cofactor TBL1XR1 as a rheostat linking inflammation to Wnt/β-catenin signaling for facilitating hepatocyte proliferation. Our data and analytical pipelines lay the foundation for future high-definition tissue-scale atlases of organ physiology and malfunction.
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Affiliation(s)
- Jiangshan Xu
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Pengcheng Guo
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun, China.
- 3DC STAR, Spatiotemporal Campus at BGI Shenzhen, Shenzhen, China.
| | - Shijie Hao
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Shuncheng Shangguan
- BGI Research, Shenzhen, China
- Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health and Guangzhou Medical University, Guangzhou, China
| | - Quan Shi
- Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Giacomo Volpe
- Hematology and Cell Therapy Unit, IRCCS-Istituto Tumori 'Giovanni Paolo II', Bari, Italy
| | - Keke Huang
- Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Jing Zuo
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Juan An
- School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Laboratory of Integrative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Yue Yuan
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Mengnan Cheng
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Qiuting Deng
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Xiao Zhang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun, China
| | - Guangyao Lai
- Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health and Guangzhou Medical University, Guangzhou, China
- Laboratory of Integrative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Haitao Nan
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - Baihua Wu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - Xinyi Shentu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - Liang Wu
- Laboratory of Integrative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Xiaoyu Wei
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Yujia Jiang
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Xin Huang
- BGI Research, Shenzhen, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Fengyu Pan
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Yumo Song
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Ronghai Li
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Zhifeng Wang
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Chuanyu Liu
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
- BGI Collaborative Center for Future Medicine, Shanxi Medical University, Taiyuan, China
| | - Shiping Liu
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | | | - Tao Yang
- China National GeneBank, BGI Research, Shenzhen, China
- Guangdong Provincial Genomics Data Center, BGI Research, Shenzhen, China
| | - Zhicheng Xu
- China National GeneBank, BGI Research, Shenzhen, China
- Guangdong Provincial Genomics Data Center, BGI Research, Shenzhen, China
| | - Wensi Du
- China National GeneBank, BGI Research, Shenzhen, China
- Guangdong Provincial Genomics Data Center, BGI Research, Shenzhen, China
| | - Ling Li
- China National GeneBank, BGI Research, Shenzhen, China
- Guangdong Provincial Genomics Data Center, BGI Research, Shenzhen, China
| | - Tanveer Ahmed
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Kai You
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Zhen Dai
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Li Li
- Laboratory of Integrative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Baoming Qin
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Yinxiong Li
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Liangxue Lai
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Dajiang Qin
- The Fifth Affiliated Hospital of Guangzhou Medical University-BGI Research Center for Integrative Biology, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Junling Chen
- Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Guangzhou, China
| | - Rong Fan
- Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Guangzhou, China
| | - Yongyin Li
- Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Guangzhou, China
| | - Jinlin Hou
- Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Guangzhou, China
| | - Michael Ott
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
| | - Amar Deep Sharma
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
| | - Tobias Cantz
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany
| | - Axel Schambach
- Division of Hematology/Oncology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | | | - Andrew P Hutchins
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China
| | - Berthold Göttgens
- Department of Haematology and Wellcome MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Patrick H Maxwell
- Cambridge Institute for Medical Research, Department of Medicine, University of Cambridge, Cambridge, UK
| | - Lijian Hui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - Xun Xu
- BGI Research, Hangzhou, China.
- BGI Research, Shenzhen, China.
- BGI Collaborative Center for Future Medicine, Shanxi Medical University, Taiyuan, China.
- Guangdong Provincial Key Laboratory of Genome Read and Write, Shenzhen, China.
| | - Longqi Liu
- BGI Research, Hangzhou, China.
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China.
- BGI Collaborative Center for Future Medicine, Shanxi Medical University, Taiyuan, China.
| | - Ao Chen
- BGI Research, Shenzhen, China.
- Department of Biology, University of Copenhagen, Copenhagen, Denmark.
- BGI Research, Chongqing, China.
- JFL-BGI STOmics Center, BGI-Shenzhen, Chongqing, China.
| | - Yiwei Lai
- BGI Research, Hangzhou, China.
- BGI Research, Shenzhen, China.
- 3DC STAR, Spatiotemporal Campus at BGI Shenzhen, Shenzhen, China.
- BGI Collaborative Center for Future Medicine, Shanxi Medical University, Taiyuan, China.
| | - Miguel A Esteban
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun, China.
- 3DC STAR, Spatiotemporal Campus at BGI Shenzhen, Shenzhen, China.
- Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
- Laboratory of Integrative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China.
- The Fifth Affiliated Hospital of Guangzhou Medical University-BGI Research Center for Integrative Biology, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany.
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6
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Wu B, Shentu X, Nan H, Guo P, Hao S, Xu J, Shangguan S, Cui L, Cen J, Deng Q, Wu Y, Liu C, Song Y, Lin X, Wang Z, Yuan Y, Ma W, Li R, Li Y, Qian Q, Du W, Lai T, Yang T, Liu C, Ma X, Chen A, Xu X, Lai Y, Liu L, Esteban MA, Hui L. A spatiotemporal atlas of cholestatic injury and repair in mice. Nat Genet 2024; 56:938-952. [PMID: 38627596 DOI: 10.1038/s41588-024-01687-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Accepted: 02/09/2024] [Indexed: 05/09/2024]
Abstract
Cholestatic liver injuries, characterized by regional damage around the bile ductular region, lack curative therapies and cause considerable mortality. Here we generated a high-definition spatiotemporal atlas of gene expression during cholestatic injury and repair in mice by integrating spatial enhanced resolution omics sequencing and single-cell transcriptomics. Spatiotemporal analyses revealed a key role of cholangiocyte-driven signaling correlating with the periportal damage-repair response. Cholangiocytes express genes related to recruitment and differentiation of lipid-associated macrophages, which generate feedback signals enhancing ductular reaction. Moreover, cholangiocytes express high TGFβ in association with the conversion of liver progenitor-like cells into cholangiocytes during injury and the dampened proliferation of periportal hepatocytes during recovery. Notably, Atoh8 restricts hepatocyte proliferation during 3,5-diethoxycarbonyl-1,4-dihydro-collidin damage and is quickly downregulated after injury withdrawal, allowing hepatocytes to respond to growth signals. Our findings lay a keystone for in-depth studies of cellular dynamics and molecular mechanisms of cholestatic injuries, which may further develop into therapies for cholangiopathies.
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Affiliation(s)
- Baihua Wu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Xinyi Shentu
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Haitao Nan
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | | | - Shijie Hao
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Jiangshan Xu
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Shuncheng Shangguan
- Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health and Guangzhou Medical University, Guangzhou, China
- Laboratory of Integrative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
- BGI Research, Shenzhen, China
| | - Lei Cui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Jin Cen
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Qiuting Deng
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Yan Wu
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Chang Liu
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Yumo Song
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Xiumei Lin
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | | | - Yue Yuan
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Wen Ma
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Ronghai Li
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
| | - Yikang Li
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, NHC Key Laboratory of Digestive Diseases, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China
| | - Qiwei Qian
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, NHC Key Laboratory of Digestive Diseases, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China
| | - Wensi Du
- China National GeneBank, BGI Research, Shenzhen, China
| | - Tingting Lai
- China National GeneBank, BGI Research, Shenzhen, China
| | - Tao Yang
- China National GeneBank, BGI Research, Shenzhen, China
| | - Chuanyu Liu
- BGI Research, Hangzhou, China
- BGI Research, Shenzhen, China
- Shanxi Medical University-BGI Collaborative Center for Future Medicine, Shanxi Medical University, Taiyuan, China
| | - Xiong Ma
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, NHC Key Laboratory of Digestive Diseases, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China
| | - Ao Chen
- BGI Research, Shenzhen, China
| | - Xun Xu
- BGI Research, Shenzhen, China
- Shanxi Medical University-BGI Collaborative Center for Future Medicine, Shanxi Medical University, Taiyuan, China
| | - Yiwei Lai
- BGI Research, Hangzhou, China.
- BGI Research, Shenzhen, China.
- Shanxi Medical University-BGI Collaborative Center for Future Medicine, Shanxi Medical University, Taiyuan, China.
| | - Longqi Liu
- BGI Research, Hangzhou, China.
- BGI Research, Shenzhen, China.
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China.
- China National GeneBank, BGI Research, Shenzhen, China.
- Shanxi Medical University-BGI Collaborative Center for Future Medicine, Shanxi Medical University, Taiyuan, China.
| | - Miguel A Esteban
- BGI Research, Hangzhou, China.
- BGI Research, Shenzhen, China.
- Laboratory of Integrative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China.
- The Fifth Affiliated Hospital of Guangzhou Medical University-BGI Research Center for Integrative Biology, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
| | - Lijian Hui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
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7
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Namoto K, Baader C, Orsini V, Landshammer A, Breuer E, Dinh KT, Ungricht R, Pikiolek M, Laurent S, Lu B, Aebi A, Schönberger K, Vangrevelinghe E, Evrova O, Sun T, Annunziato S, Lachal J, Redmond E, Wang L, Wetzel K, Capodieci P, Turner J, Schutzius G, Unterreiner V, Trunzer M, Buschmann N, Behnke D, Machauer R, Scheufler C, Parker CN, Ferro M, Grevot A, Beyerbach A, Lu WY, Forbes SJ, Wagner J, Bouwmeester T, Liu J, Sohal B, Sahambi S, Greenbaum LE, Lohmann F, Hoppe P, Cong F, Sailer AW, Ruffner H, Glatthar R, Humar B, Clavien PA, Dill MT, George E, Maibaum J, Liberali P, Tchorz JS. NIBR-LTSi is a selective LATS kinase inhibitor activating YAP signaling and expanding tissue stem cells in vitro and in vivo. Cell Stem Cell 2024; 31:554-569.e17. [PMID: 38579685 DOI: 10.1016/j.stem.2024.03.003] [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: 07/26/2022] [Revised: 01/24/2024] [Accepted: 03/06/2024] [Indexed: 04/07/2024]
Abstract
The YAP/Hippo pathway is an organ growth and size regulation rheostat safeguarding multiple tissue stem cell compartments. LATS kinases phosphorylate and thereby inactivate YAP, thus representing a potential direct drug target for promoting tissue regeneration. Here, we report the identification and characterization of the selective small-molecule LATS kinase inhibitor NIBR-LTSi. NIBR-LTSi activates YAP signaling, shows good oral bioavailability, and expands organoids derived from several mouse and human tissues. In tissue stem cells, NIBR-LTSi promotes proliferation, maintains stemness, and blocks differentiation in vitro and in vivo. NIBR-LTSi accelerates liver regeneration following extended hepatectomy in mice. However, increased proliferation and cell dedifferentiation in multiple organs prevent prolonged systemic LATS inhibition, thus limiting potential therapeutic benefit. Together, we report a selective LATS kinase inhibitor agonizing YAP signaling and promoting tissue regeneration in vitro and in vivo, enabling future research on the regenerative potential of the YAP/Hippo pathway.
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Affiliation(s)
- Kenji Namoto
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland.
| | - Clara Baader
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - Vanessa Orsini
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | | | - Eva Breuer
- University Hospital Zurich (USZ), Zurich, Switzerland
| | - Kieu Trinh Dinh
- German Cancer Research Center (DKFZ) Heidelberg, Research Group Experimental Hepatology, Inflammation and Cancer, Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | | | | | | | - Bo Lu
- Biomedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Alexandra Aebi
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | | | | | - Olivera Evrova
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Tianliang Sun
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland; Division of Liver Diseases, Institute for Regenerative Medicine, Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Julie Lachal
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Emily Redmond
- Biomedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Louis Wang
- Biomedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Kristie Wetzel
- Biomedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | | | | | - Gabi Schutzius
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | | | - Markus Trunzer
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | | | - Dirk Behnke
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | | | | | | | - Magali Ferro
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Armelle Grevot
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | | | - Wei-Yu Lu
- University of Edinburgh, Center for Inflammation Research, Edinburgh, UK
| | - Stuart J Forbes
- University of Edinburgh, Center for Regenerative Medicine, Edinburgh, UK
| | - Jürgen Wagner
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | | | - Jun Liu
- Biomedical Research, Novartis Pharma AG, La Jolla, CA, USA
| | - Bindi Sohal
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | | | | | - Felix Lohmann
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Philipp Hoppe
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Feng Cong
- Biomedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | | | - Heinz Ruffner
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Ralf Glatthar
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Bostjan Humar
- University Hospital Zurich (USZ), Zurich, Switzerland
| | | | - Michael T Dill
- German Cancer Research Center (DKFZ) Heidelberg, Research Group Experimental Hepatology, Inflammation and Cancer, Heidelberg, Germany; Department of Gastroenterology, Infectious Diseases and Intoxication, Heidelberg University Hospital, Heidelberg, Germany
| | | | - Jürgen Maibaum
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Prisca Liberali
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - Jan S Tchorz
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland.
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8
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Zhong Z, Jiao Z, Yu FX. The Hippo signaling pathway in development and regeneration. Cell Rep 2024; 43:113926. [PMID: 38457338 DOI: 10.1016/j.celrep.2024.113926] [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: 12/02/2023] [Revised: 02/05/2024] [Accepted: 02/20/2024] [Indexed: 03/10/2024] Open
Abstract
The Hippo signaling pathway is a central growth control mechanism in multicellular organisms. By integrating diverse mechanical, biochemical, and stress cues, the Hippo pathway orchestrates proliferation, survival, differentiation, and mechanics of cells, which in turn regulate organ development, homeostasis, and regeneration. A deep understanding of the regulation and function of the Hippo pathway therefore holds great promise for developing novel therapeutics in regenerative medicine. Here, we provide updates on the molecular organization of the mammalian Hippo signaling network, review the regulatory signals and functional outputs of the pathway, and discuss the roles of Hippo signaling in development and regeneration.
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Affiliation(s)
- Zhenxing Zhong
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Zhihan Jiao
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Fa-Xing Yu
- Institute of Pediatrics, Children's Hospital of Fudan University, and the Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism, State Key Laboratory of Genetic Engineering, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai 200032, China.
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9
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D’Ambrosio A, Bressan D, Ferracci E, Carbone F, Mulè P, Rossi F, Barbieri C, Sorrenti E, Fiaccadori G, Detone T, Vezzoli E, Bianchi S, Sartori C, Corso S, Fukuda A, Bertalot G, Falqui A, Barbareschi M, Romanel A, Pasini D, Chiacchiera F. Increased genomic instability and reshaping of tissue microenvironment underlie oncogenic properties of Arid1a mutations. SCIENCE ADVANCES 2024; 10:eadh4435. [PMID: 38489371 PMCID: PMC10942108 DOI: 10.1126/sciadv.adh4435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 02/12/2024] [Indexed: 03/17/2024]
Abstract
Oncogenic mutations accumulating in many chromatin-associated proteins have been identified in different tumor types. With a mutation rate from 10 to 57%, ARID1A has been widely considered a tumor suppressor gene. However, whether this role is mainly due to its transcriptional-related activities or its ability to preserve genome integrity is still a matter of intense debate. Here, we show that ARID1A is largely dispensable for preserving enhancer-dependent transcriptional regulation, being ARID1B sufficient and required to compensate for ARID1A loss. We provide in vivo evidence that ARID1A is mainly required to preserve genomic integrity in adult tissues. ARID1A loss primarily results in DNA damage accumulation, interferon type I response activation, and chronic inflammation leading to tumor formation. Our data suggest that in healthy tissues, the increased genomic instability that follows ARID1A mutations and the selective pressure imposed by the microenvironment might result in the emergence of aggressive, possibly immune-resistant, tumors.
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Affiliation(s)
- Alessandro D’Ambrosio
- Laboratory of stem cells and cancer genomics, Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, 38123 Trento, Italy
- SEMM, University of Milan, 20142 Milan, Italy
| | - Davide Bressan
- Laboratory of stem cells and cancer genomics, Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, 38123 Trento, Italy
| | - Elisa Ferracci
- Laboratory of stem cells and cancer genomics, Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, 38123 Trento, Italy
| | - Francesco Carbone
- Unità Operativa Multizonale di Anatomia Patologica, APSS, 38122 Trento, Italy
| | - Patrizia Mulè
- Department of Experimental Oncology, European Institute of Oncology (IEO), IRCCS, 20139 Milan, Italy
| | - Federico Rossi
- Department of Experimental Oncology, European Institute of Oncology (IEO), IRCCS, 20139 Milan, Italy
| | - Caterina Barbieri
- Department of Experimental Oncology, European Institute of Oncology (IEO), IRCCS, 20139 Milan, Italy
| | - Elisa Sorrenti
- Laboratory of stem cells and cancer genomics, Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, 38123 Trento, Italy
| | - Gaia Fiaccadori
- Laboratory of stem cells and cancer genomics, Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, 38123 Trento, Italy
| | - Thomas Detone
- Unità Operativa Multizonale di Anatomia Patologica, APSS, 38122 Trento, Italy
| | - Elena Vezzoli
- Department of Biomedical sciences for Health, University of Milan, 20133 Milan, Italy
| | - Salvatore Bianchi
- Center for Genomic Science of IIT@SEMM, Fondazione Istituto Italiano di Tecnologia (IIT), 20139 Milan, Italy
| | - Chiara Sartori
- Unità Operativa Multizonale di Anatomia Patologica, APSS, 38122 Trento, Italy
| | - Simona Corso
- Department of Oncology, University of Torino, 10060 Candiolo, Italy
- Candiolo Cancer Institute, FPO-IRCCS, 10060 Candiolo, Italy
| | - Akihisa Fukuda
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Giovanni Bertalot
- Unità Operativa Multizonale di Anatomia Patologica, APSS, 38122 Trento, Italy
- Centre for Medical Sciences–CISMed, University of Trento, 38122 Trento, Italy
| | - Andrea Falqui
- Department of Physics, University of Milan, 20133 Milan, Italy
| | - Mattia Barbareschi
- Unità Operativa Multizonale di Anatomia Patologica, APSS, 38122 Trento, Italy
- Centre for Medical Sciences–CISMed, University of Trento, 38122 Trento, Italy
| | - Alessandro Romanel
- Laboratory of Bioinformatics and Computational Genomics, Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, 38123 Trento, Italy
| | - Diego Pasini
- Department of Experimental Oncology, European Institute of Oncology (IEO), IRCCS, 20139 Milan, Italy
- Department of Health Sciences, University of Milan, 20142 Milan, Italy
| | - Fulvio Chiacchiera
- Laboratory of stem cells and cancer genomics, Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, 38123 Trento, Italy
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10
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Tierney MT, Polak L, Yang Y, Abdusselamoglu MD, Baek I, Stewart KS, Fuchs E. Vitamin A resolves lineage plasticity to orchestrate stem cell lineage choices. Science 2024; 383:eadi7342. [PMID: 38452090 PMCID: PMC11177320 DOI: 10.1126/science.adi7342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 02/07/2024] [Indexed: 03/09/2024]
Abstract
Lineage plasticity-a state of dual fate expression-is required to release stem cells from their niche constraints and redirect them to tissue compartments where they are most needed. In this work, we found that without resolving lineage plasticity, skin stem cells cannot effectively generate each lineage in vitro nor regrow hair and repair wounded epidermis in vivo. A small-molecule screen unearthed retinoic acid as a critical regulator. Combining high-throughput approaches, cell culture, and in vivo mouse genetics, we dissected its roles in tissue regeneration. We found that retinoic acid is made locally in hair follicle stem cell niches, where its levels determine identity and usage. Our findings have therapeutic implications for hair growth as well as chronic wounds and cancers, where lineage plasticity is unresolved.
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Affiliation(s)
- Matthew T Tierney
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University; New York, NY 10065, USA
| | - Lisa Polak
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University; New York, NY 10065, USA
| | | | - Merve Deniz Abdusselamoglu
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University; New York, NY 10065, USA
| | | | - Katherine S Stewart
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University; New York, NY 10065, USA
| | - Elaine Fuchs
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University; New York, NY 10065, USA
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11
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Katsuda T, Sussman JH, Ito K, Katznelson A, Yuan S, Takenaka N, Li J, Merrell AJ, Cure H, Li Q, Rasool RU, Asangani IA, Zaret KS, Stanger BZ. Cellular reprogramming in vivo initiated by SOX4 pioneer factor activity. Nat Commun 2024; 15:1761. [PMID: 38409161 PMCID: PMC10897393 DOI: 10.1038/s41467-024-45939-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 02/08/2024] [Indexed: 02/28/2024] Open
Abstract
Tissue damage elicits cell fate switching through a process called metaplasia, but how the starting cell fate is silenced and the new cell fate is activated has not been investigated in animals. In cell culture, pioneer transcription factors mediate "reprogramming" by opening new chromatin sites for expression that can attract transcription factors from the starting cell's enhancers. Here we report that SOX4 is sufficient to initiate hepatobiliary metaplasia in the adult mouse liver, closely mimicking metaplasia initiated by toxic damage to the liver. In lineage-traced cells, we assessed the timing of SOX4-mediated opening of enhancer chromatin versus enhancer decommissioning. Initially, SOX4 directly binds to and closes hepatocyte regulatory sequences via an overlapping motif with HNF4A, a hepatocyte master regulatory transcription factor. Subsequently, SOX4 exerts pioneer factor activity to open biliary regulatory sequences. The results delineate a hierarchy by which gene networks become reprogrammed under physiological conditions, providing deeper insight into the basis for cell fate transitions in animals.
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Affiliation(s)
- Takeshi Katsuda
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
- Department of Chemical System Engineering, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Jonathan H Sussman
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
- Graduate Group in Genomics and Computational Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Kenji Ito
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- The Institute for Regenerative Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Andrew Katznelson
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- The Institute for Regenerative Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Salina Yuan
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
| | - Naomi Takenaka
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- The Institute for Regenerative Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Jinyang Li
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
| | - Allyson J Merrell
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
| | - Hector Cure
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
| | - Qinglan Li
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- The Institute for Regenerative Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Reyaz Ur Rasool
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cancer Biology, University of Pennsylvania, Philadelphia, PA, USA
- Penn Epigenetics Institute, University of Pennsylvania, Philadelphia, PA, USA
| | - Irfan A Asangani
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA
- Department of Cancer Biology, University of Pennsylvania, Philadelphia, PA, USA
- Penn Epigenetics Institute, University of Pennsylvania, Philadelphia, PA, USA
| | - Kenneth S Zaret
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- The Institute for Regenerative Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Penn Epigenetics Institute, University of Pennsylvania, Philadelphia, PA, USA.
| | - Ben Z Stanger
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA, USA.
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA, USA.
- The Institute for Regenerative Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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12
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Ling X, Hou Y, Jia X, Lan Y, Wu X, Wu J, Jie W, Liu H, Huang S, Wan Z, Li T, Guo J, Liang T. Characterization of cardiac involvement in patients with LMNA splice-site mutation-related dilated cardiomyopathy and sudden cardiac death. Front Genet 2024; 14:1291411. [PMID: 38259623 PMCID: PMC10800368 DOI: 10.3389/fgene.2023.1291411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
Introduction: LMNA splicing mutations occur in 9.1% of cases with cardiac involvement cases, but the phenotype and severity of disease they cause have not yet been systematically studied. The aim of this study was to understand the clinical and pathogenic characteristics of the LMNA splice-site mutation phenotype in patients with LMNA-related dilated cardiomyopathy (DCM) and sudden cardiac death (SCD). Methods and Results: First, we reported a novel family with LMNA-related DCM and SCD, and the clinical characteristics of all current patients with LMNA splicing mutations were further summarized through the ClinVar database. Seventeen families with a total of 134 individuals, containing a total of 15 LMNA splicing mutation sites, were enrolled. A total of 42 subjects (31.3%) had SCD. Compared without with the non-DCM group (n = 56), the patients within the DCM group (n = 78) presented a lower incidence of atrioventricular block (AVB) (p = 0.015) and a higher incidence rates of non-sustained ventricular tachycardia (p = 0.004),) and implantable cardioverter defibrillator (ICD) implantation (p = 0.005). Kaplan‒Meier survival analysis showed that the patients with pacemaker (PM) implantation had a significantly reduced the occurrence of SCD compared to patientswith those without PM implantation (log-rank p < 0.001), while there was no significant difference in ICD implantation between the two groups (log-rank p = 0.73). Second, we identified the family that we reported with a mutation in an LMNA c.513+1 G>A mutation in the reported family, and pathogenic prediction analysis showed that the mutation site was extremely harmful. Next, we conducted gene expression levels and cardiac pathological biopsy studies on the proband of this family. We found that the expression of normal LMNA mRNA from the proband was significantly downregulated in peripheral blood mononuclear cells than incompared with healthy individuals. Finally, we comprehensively summarized the pathological characteristics of LMNA-related DCM, including hypertrophy, atrophy, fibrosis, white blood cell infiltration, intercalated disc remodeling, and downregulation of desmin and connexin 43 (Cx43) expression. Discussion: Above all, Cardiaccardiac involvement in patients with LMNA splice-site mutation presented with a high rate of SCD. Implanting a pacemaker significantly reduced the SCD rate in non-DCM patients with AVB. The pathogenic characterization was not only haveinvolved suppressed the expression of the healthy LMNA allele, but was also associated with abnormal expression and distribution of desmin and Cx43.
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Affiliation(s)
- Xuebin Ling
- Department of Cardiovascular Medicine and Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Hainan Engineering Research Center for Biological Sample Resources of Major Diseases, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Yanjun Hou
- Department of Cardiovascular Surgery, The Second Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Xingyu Jia
- Department of Cardiovascular Medicine and Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Hainan Engineering Research Center for Biological Sample Resources of Major Diseases, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Youling Lan
- Department of Cardiovascular Medicine and Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Hainan Engineering Research Center for Biological Sample Resources of Major Diseases, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Xiaoping Wu
- Department of Cardiovascular Medicine and Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Hainan Engineering Research Center for Biological Sample Resources of Major Diseases, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Julan Wu
- Department of Pathology, Hainan Women and Children Medical Center, Hainan Medical University, Haikou, China
| | - Wei Jie
- Department of Cardiovascular Medicine and Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Hainan Engineering Research Center for Biological Sample Resources of Major Diseases, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Hui Liu
- Department of Cardiovascular Medicine and Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Hainan Engineering Research Center for Biological Sample Resources of Major Diseases, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Shan Huang
- Department of Cardiovascular Medicine and Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Hainan Engineering Research Center for Biological Sample Resources of Major Diseases, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Zhenling Wan
- Department of Pathology, Hainan Women and Children Medical Center, Hainan Medical University, Haikou, China
| | - Tianfa Li
- Department of Cardiovascular Medicine and Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Hainan Engineering Research Center for Biological Sample Resources of Major Diseases, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Junli Guo
- Department of Cardiovascular Medicine and Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Hainan Engineering Research Center for Biological Sample Resources of Major Diseases, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Tiebiao Liang
- Department of Cardiovascular Medicine, People’s Hospital of Wanning, Wanning, China
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13
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Hu Y, Wang R, An N, Li C, Wang Q, Cao Y, Li C, Liu J, Wang Y. Unveiling the power of microenvironment in liver regeneration: an in-depth overview. Front Genet 2023; 14:1332190. [PMID: 38152656 PMCID: PMC10751322 DOI: 10.3389/fgene.2023.1332190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 11/29/2023] [Indexed: 12/29/2023] Open
Abstract
The liver serves as a vital regulatory hub for various physiological processes, including sugar, protein, and fat metabolism, coagulation regulation, immune system maintenance, hormone inactivation, urea metabolism, and water-electrolyte acid-base balance control. These functions rely on coordinated communication among different liver cell types, particularly within the liver's fundamental hepatic lobular structure. In the early stages of liver development, diverse liver cells differentiate from stem cells in a carefully orchestrated manner. Despite its susceptibility to damage, the liver possesses a remarkable regenerative capacity, with the hepatic lobule serving as a secure environment for cell division and proliferation during liver regeneration. This regenerative process depends on a complex microenvironment, involving liver resident cells, circulating cells, secreted cytokines, extracellular matrix, and biological forces. While hepatocytes proliferate under varying injury conditions, their sources may vary. It is well-established that hepatocytes with regenerative potential are distributed throughout the hepatic lobules. However, a comprehensive spatiotemporal model of liver regeneration remains elusive, despite recent advancements in genomics, lineage tracing, and microscopic imaging. This review summarizes the spatial distribution of cell gene expression within the regenerative microenvironment and its impact on liver regeneration patterns. It offers valuable insights into understanding the complex process of liver regeneration.
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Affiliation(s)
- Yuelei Hu
- Department of Hepatobiliary and Pancreatic Surgery, The First Hospital of Jilin University, Jilin University, Changchun, China
- Hepato-Pancreato-Biliary Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Ruilin Wang
- Department of Cadre’s Wards Ultrasound Diagnostics, Ultrasound Diagnostic Center, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Ni An
- Clinical Translational Science Center, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
| | - Chen Li
- Hepato-Pancreato-Biliary Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
- College of Life Science and Bioengineering, Faculty of Environmental and Life Sciences, Beijing University of Technology, Beijing, China
| | - Qi Wang
- Department of Hepatobiliary and Pancreatic Surgery, The First Hospital of Jilin University, Jilin University, Changchun, China
- Hepato-Pancreato-Biliary Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Yannan Cao
- Department of Hepatobiliary and Pancreatic Surgery, The First Hospital of Jilin University, Jilin University, Changchun, China
- Hepato-Pancreato-Biliary Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Chao Li
- Hepato-Pancreato-Biliary Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Juan Liu
- Hepato-Pancreato-Biliary Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Yunfang Wang
- Hepato-Pancreato-Biliary Center, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
- Clinical Translational Science Center, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
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Jiang M, Ren J, Belmonte JCI, Liu GH. Hepatocyte reprogramming in liver regeneration: Biological mechanisms and applications. FEBS J 2023; 290:5674-5688. [PMID: 37556833 DOI: 10.1111/febs.16930] [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: 05/15/2023] [Revised: 07/17/2023] [Accepted: 08/08/2023] [Indexed: 08/11/2023]
Abstract
The liver is one of the few organs that retain the capability to regenerate in adult mammals. This regeneration process is mainly facilitated by the dynamic behavior of hepatocytes, which are the major functional constituents in the liver. In response to liver injury, hepatocytes undergo remarkable alterations, such as reprogramming, wherein they lose their original identity and acquire properties from other cells. This phenomenon of hepatocyte reprogramming, coupled with hepatocyte expansion, plays a central role in liver regeneration, and its underlying mechanisms are complex and multifaceted. Understanding the fate of reprogrammed hepatocytes and the mechanisms of their conversion has significant implications for the development of innovative therapeutics for liver diseases. Herein, we review the plasticity of hepatocytes in response to various forms of liver injury, with a focus on injury-induced hepatocyte reprogramming. We provide a comprehensive summary of current knowledge on the molecular and cellular mechanisms governing hepatocyte reprogramming, specifically in the context of liver regeneration, providing insight into potential applications of this process in the treatment of liver disorders, including chronic liver diseases and liver cancer.
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Affiliation(s)
- Mengmeng Jiang
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Jie Ren
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- Key Laboratory of RNA Science and Engineering, CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, China
- Sino-Danish College, University of Chinese Academy of Sciences, Beijing, China
- Aging Biomarker Consortium, Beijing, China
- School of Future Technology, University of Chinese Academy of Sciences, Beijing, China
| | | | - Guang-Hui Liu
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
- Aging Biomarker Consortium, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- Advanced Innovation Center for Human Brain Protection, and National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital Capital Medical University, Beijing, China
- Aging Translational Medicine Center, International Center for Aging and Cancer, Xuanwu Hospital, Capital Medical University, Beijing, China
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15
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Qi D, Lu M, Xu P, Yao X, Chen Y, Gan L, Li Y, Cui Y, Tong X, Liu S, Zhao J, Liu N, Ye X. Transcription factor ETV4 promotes the development of hepatocellular carcinoma by driving hepatic TNF-α signaling. Cancer Commun (Lond) 2023; 43:1354-1372. [PMID: 37670477 PMCID: PMC10693303 DOI: 10.1002/cac2.12482] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/26/2023] [Accepted: 08/29/2023] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND Hepatic inflammation is the major risk factor of hepatocellular carcinoma (HCC). However, the underlying mechanism by which hepatic inflammation progresses to HCC is poorly understood. This study was designed to investigate the role of ETS translocation variant 4 (ETV4) in linking hepatic inflammation to HCC. METHODS Quantitative real-time PCR and immunoblotting were used to detect the expression of ETV4 in HCC tissues and cell lines. RNA sequencing and luciferase reporter assays were performed to identify the target genes of ETV4. Hepatocyte-specific ETV4-knockout (ETV4fl/fl, alb-cre ) and transgenic (ETV4Hep-TG ) mice and diethylnitrosamine-carbon tetrachloride (DEN-CCL4 ) treatment experiments were applied to investigate the function of ETV4 in vivo. The Cancer Genome Atlas (TCGA) database mining and pathological analysis were carried out to determine the correlation of ETV4 with tumor necrosis factor-alpha (TNF-α) and mitogen-activated protein kinase 11 (MAPK11). RESULTS We revealed that ETV4 was highly expressed in HCC. High levels of ETV4 predicted a poor survival rate of HCC patients. Then we identified ETV4 as a transcription activator of TNF-α and MAPK11. ETV4 was positively correlated with TNF-α and MAPK11 in HCC patients. As expected, an increase in hepatic TNF-α secretion and macrophage accumulation were observed in the livers of ETV4Hep-TG mice. The protein levels of TNF-α, MAPK11, and CD68 were significantly higher in the livers of ETV4Hep-TG mice compared with wild type mice but lower in ETV4fl/fl, alb-cre mice compared with ETV4fl/fl mice as treated with DEN-CCL4 , indicating that ETV4 functioned as a driver of TNF-α/MAPK11 expression and macrophage accumulation during hepatic inflammation. Hepatocyte-specific knockout of ETV4 significantly prevented development of DEN-CCL4 -induced HCC, while transgenic expression of ETV4 promoted growth of HCC. CONCLUSIONS ETV4 promoted hepatic inflammation and HCC by activating transcription of TNF-α and MAPK11. Both the ETV4/TNF-α and ETV4/MAPK11 axes represented two potential therapeutic targets for highly associated hepatic inflammation and HCC. ETV4+TNF-α were potential prognostic markers for HCC patients.
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Affiliation(s)
- Dandan Qi
- Key Laboratory of Pathogenic Microbiology and ImmunologyInstitute of Microbiology, Chinese Academy of SciencesBeijingP. R. China
| | - Min Lu
- Key Laboratory of Pathogenic Microbiology and ImmunologyInstitute of Microbiology, Chinese Academy of SciencesBeijingP. R. China
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingP. R. China
| | - Pengfei Xu
- The Fifth Medical Center of Chinese People's Liberation Army General HospitalBeijingP. R. China
| | - Xinli Yao
- Key Laboratory of Pathogenic Microbiology and ImmunologyInstitute of Microbiology, Chinese Academy of SciencesBeijingP. R. China
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingP. R. China
| | - Yongchen Chen
- Key Laboratory of Pathogenic Microbiology and ImmunologyInstitute of Microbiology, Chinese Academy of SciencesBeijingP. R. China
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingP. R. China
| | - Lipeng Gan
- Key Laboratory of Pathogenic Microbiology and ImmunologyInstitute of Microbiology, Chinese Academy of SciencesBeijingP. R. China
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingP. R. China
| | - Yong Li
- Key Laboratory of Pathogenic Microbiology and ImmunologyInstitute of Microbiology, Chinese Academy of SciencesBeijingP. R. China
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingP. R. China
| | - Yahua Cui
- School of Life SciencesUniversity of Science and Technology of ChinaHefeiAnhuiP. R. China
| | - Xiaomei Tong
- Key Laboratory of Pathogenic Microbiology and ImmunologyInstitute of Microbiology, Chinese Academy of SciencesBeijingP. R. China
| | - Shuhong Liu
- The Fifth Medical Center of Chinese People's Liberation Army General HospitalBeijingP. R. China
| | - Jingmin Zhao
- The Fifth Medical Center of Chinese People's Liberation Army General HospitalBeijingP. R. China
| | - Ningning Liu
- Key Laboratory of Pathogenic Microbiology and ImmunologyInstitute of Microbiology, Chinese Academy of SciencesBeijingP. R. China
| | - Xin Ye
- Key Laboratory of Pathogenic Microbiology and ImmunologyInstitute of Microbiology, Chinese Academy of SciencesBeijingP. R. China
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingP. R. China
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16
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Kim M, So J, Shin D. PPARα activation promotes liver progenitor cell-mediated liver regeneration by suppressing YAP signaling in zebrafish. Sci Rep 2023; 13:18312. [PMID: 37880271 PMCID: PMC10600117 DOI: 10.1038/s41598-023-44935-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 10/13/2023] [Indexed: 10/27/2023] Open
Abstract
Despite the robust regenerative capacity of the liver, prolonged and severe liver damage impairs liver regeneration, leading to liver failure. Since the liver co-opts the differentiation of liver progenitor cells (LPCs) into hepatocytes to restore functional hepatocytes, augmenting LPC-mediated liver regeneration may be beneficial to patients with chronic liver diseases. However, the molecular mechanisms underlying LPC-to-hepatocyte differentiation have remained largely unknown. Using the zebrafish model of LPC-mediated liver regeneration, Tg(fabp10a:pt-β-catenin), we present that peroxisome proliferator-activated receptor-alpha (PPARα) activation augments LPC-to-hepatocyte differentiation. We found that treating Tg(fabp10a:pt-β-catenin) larvae with GW7647, a potent PPARα agonist, enhanced the expression of hepatocyte markers and simultaneously reduced the expression of biliary epithelial cell (BEC)/LPC markers in the regenerating livers, indicating enhanced LPC-to-hepatocyte differentiation. Mechanistically, PPARα activation augments the differentiation by suppressing YAP signaling. The differentiation phenotypes resulting from GW7647 treatment were rescued by expressing a constitutively active form of Yap1. Moreover, we found that suppression of YAP signaling was sufficient to promote LPC-to-hepatocyte differentiation. Treating Tg(fabp10a:pt-β-catenin) larvae with the TEAD inhibitor K-975, which suppresses YAP signaling, phenocopied the effect of GW7647 on LPC differentiation. Altogether, our findings provide insights into augmenting LPC-mediated liver regeneration as a regenerative therapy for chronic liver diseases.
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Affiliation(s)
- Minwook Kim
- Department of Developmental Biology, McGowan Institute for Regenerative Medicine, Pittsburgh Liver Research Center, University of Pittsburgh, 3501 5th Ave. #5063, Pittsburgh, PA, 15260, USA
| | - Juhoon So
- Department of Developmental Biology, McGowan Institute for Regenerative Medicine, Pittsburgh Liver Research Center, University of Pittsburgh, 3501 5th Ave. #5063, Pittsburgh, PA, 15260, USA
| | - Donghun Shin
- Department of Developmental Biology, McGowan Institute for Regenerative Medicine, Pittsburgh Liver Research Center, University of Pittsburgh, 3501 5th Ave. #5063, Pittsburgh, PA, 15260, USA.
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17
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Sun Z, Yuan X, Wu J, Wang C, Zhang K, Zhang L, Hui L. Hepatocyte transplantation: The progress and the challenges. Hepatol Commun 2023; 7:e0266. [PMID: 37695736 PMCID: PMC10497249 DOI: 10.1097/hc9.0000000000000266] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 07/26/2023] [Indexed: 09/13/2023] Open
Abstract
Numerous studies have shown that hepatocyte transplantation is a promising approach for liver diseases, such as liver-based metabolic diseases and acute liver failure. However, it lacks strong evidence to support the long-term therapeutic effects of hepatocyte transplantation in clinical practice. Currently, major hurdles include availability of quality-assured hepatocytes, efficient engraftment and repopulation, and effective immunosuppressive regimens. Notably, cell sources have been advanced recently by expanding primary human hepatocytes by means of dedifferentiation in vitro. Moreover, the transplantation efficiency was remarkably improved by the established preparative hepatic irradiation in combination with hepatic mitogenic stimuli regimens. Finally, immunosuppression drugs, including glucocorticoid and inhibitors for co-stimulating signals of T cell activation, were proposed to prevent innate and adaptive immune rejection of allografted hepatocytes. Despite remarkable progress, further studies are required to improve in vitro cell expansion technology, develop clinically feasible preconditioning regimens, and further optimize immunosuppression regimens or establish ex vivo gene correction-based autologous hepatocyte transplantation.
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Affiliation(s)
- Zhen Sun
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Xiang Yuan
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Jingqi Wu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Chenhua Wang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Kun Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Ludi Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Lijian Hui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
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18
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Du J, Liao W, Wang H, Hou G, Liao M, Xu L, Huang J, Yuan K, Chen X, Zeng Y. MDIG-mediated H3K9me3 demethylation upregulates Myc by activating OTX2 and facilitates liver regeneration. Signal Transduct Target Ther 2023; 8:351. [PMID: 37709738 PMCID: PMC10502063 DOI: 10.1038/s41392-023-01575-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 07/04/2023] [Accepted: 07/20/2023] [Indexed: 09/16/2023] Open
Abstract
The mineral dust-induced gene (MDIG) comprises a conserved JmjC domain and has the ability to demethylate histone H3 lysine 9 trimethylation (H3K9me3). Previous studies have indicated the significance of MDIG in promoting cell proliferation by modulating cell-cycle transition. However, its involvement in liver regeneration has not been extensively investigated. In this study, we generated mice with liver-specific knockout of MDIG and applied partial hepatectomy or carbon tetrachloride mouse models to investigate the biological contribution of MDIG in liver regeneration. The MDIG levels showed initial upregulation followed by downregulation as the recovery progressed. Genetic MDIG deficiency resulted in dramatically impaired liver regeneration and delayed cell cycle progression. However, the MDIG-deleted liver was eventually restored over a long latency. RNA-seq analysis revealed Myc as a crucial effector downstream of MDIG. However, ATAC-seq identified the reduced chromatin accessibility of OTX2 locus in MDIG-ablated regenerating liver, with unaltered chromatin accessibility of Myc locus. Mechanistically, MDIG altered chromatin accessibility to allow transcription by demethylating H3K9me3 at the OTX2 promoter region. As a consequence, the transcription factor OTX2 binding at the Myc promoter region was decreased in MDIG-deficient hepatocytes, which in turn repressed Myc expression. Reciprocally, Myc enhanced MDIG expression by regulating MDIG promoter activity, forming a positive feedback loop to sustain hepatocyte proliferation. Altogether, our results prove the essential role of MDIG in facilitating liver regeneration via regulating histone methylation to alter chromatin accessibility and provide valuable insights into the epi-transcriptomic regulation during liver regeneration.
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Affiliation(s)
- Jinpeng Du
- Division of Liver Surgery, Department of General Surgery and Laboratory of Liver Surgery, and State Key Laboratory of Biotherapy and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Wenwei Liao
- Department of Thoracic Surgery, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen, 518020, China
- The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong, 510630, China
| | - Haichuan Wang
- Division of Liver Surgery, Department of General Surgery and Laboratory of Liver Surgery, and State Key Laboratory of Biotherapy and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Guimin Hou
- Department of Hepato-Biliary-Pancreatic Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, The Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, Sichuan, 610041, China
| | - Min Liao
- Department of Medical Ultrasound, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Lin Xu
- Division of Liver Surgery, Department of General Surgery and Laboratory of Liver Surgery, and State Key Laboratory of Biotherapy and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Jiwei Huang
- Division of Liver Surgery, Department of General Surgery and Laboratory of Liver Surgery, and State Key Laboratory of Biotherapy and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Kefei Yuan
- Division of Liver Surgery, Department of General Surgery and Laboratory of Liver Surgery, and State Key Laboratory of Biotherapy and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Xiangzheng Chen
- Division of Liver Surgery, Department of General Surgery and Laboratory of Liver Surgery, and State Key Laboratory of Biotherapy and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China.
| | - Yong Zeng
- Division of Liver Surgery, Department of General Surgery and Laboratory of Liver Surgery, and State Key Laboratory of Biotherapy and Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China.
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19
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Aguilar-Bravo B, Ariño S, Blaya D, Pose E, Martinez García de la Torre RA, Latasa MU, Martínez-Sánchez C, Zanatto L, Sererols-Viñas L, Cantallops-Vilà P, Affo S, Coll M, Thillen X, Dubuquoy L, Avila MA, Argemi J, Paz AL, Nevzorova YA, Cubero FJ, Bataller R, Lozano JJ, Ginès P, Mathurin P, Sancho-Bru P. Hepatocyte dedifferentiation profiling in alcohol-related liver disease identifies CXCR4 as a driver of cell reprogramming. J Hepatol 2023; 79:728-740. [PMID: 37088308 PMCID: PMC10540088 DOI: 10.1016/j.jhep.2023.04.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 03/17/2023] [Accepted: 04/08/2023] [Indexed: 04/25/2023]
Abstract
BACKGROUND & AIMS Loss of hepatocyte identity is associated with impaired liver function in alcohol-related hepatitis (AH). In this context, hepatocyte dedifferentiation gives rise to cells with a hepatobiliary (HB) phenotype expressing biliary and hepatocyte markers and showing immature features. However, the mechanisms and impact of hepatocyte dedifferentiation in liver disease are poorly understood. METHODS HB cells and ductular reaction (DR) cells were quantified and microdissected from liver biopsies from patients with alcohol-related liver disease (ArLD). Hepatocyte-specific overexpression or deletion of C-X-C motif chemokine receptor 4 (CXCR4), and CXCR4 pharmacological inhibition were assessed in mouse liver injury. Patient-derived and mouse organoids were generated to assess plasticity. RESULTS Here, we show that HB and DR cells are increased in patients with decompensated cirrhosis and AH, but only HB cells correlate with poor liver function and patients' outcome. Transcriptomic profiling of HB cells revealed the expression of biliary-specific genes and a mild reduction of hepatocyte metabolism. Functional analysis identified pathways involved in hepatocyte reprogramming, inflammation, stemness, and cancer gene programs. The CXCR4 pathway was highly enriched in HB cells and correlated with disease severity and hepatocyte dedifferentiation. In vitro, CXCR4 was associated with a biliary phenotype and loss of hepatocyte features. Liver overexpression of CXCR4 in chronic liver injury decreased the hepatocyte-specific gene expression profile and promoted liver injury. CXCR4 deletion or its pharmacological inhibition ameliorated hepatocyte dedifferentiation and reduced DR and fibrosis progression. CONCLUSIONS This study shows the association of hepatocyte dedifferentiation with disease progression and poor outcome in AH. Moreover, the transcriptomic profiling of HB cells revealed CXCR4 as a new driver of hepatocyte-to-biliary reprogramming and as a potential therapeutic target to halt hepatocyte dedifferentiation in AH. IMPACT AND IMPLICATIONS Here, we show that hepatocyte dedifferentiation is associated with disease severity and a reduced synthetic capacity of the liver. Moreover, we identify the CXCR4 pathway as a driver of hepatocyte dedifferentiation and as a therapeutic target in alcohol-related hepatitis. Therefore, this study reveals the importance of preserving strict control over hepatocyte plasticity in order to preserve liver function and promote tissue repair.
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Affiliation(s)
- Beatriz Aguilar-Bravo
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Silvia Ariño
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Delia Blaya
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Elisa Pose
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Liver Unit, Hospital Clínic, Barcelona, Spain
| | | | - María U Latasa
- Hepatology Program, Liver Unit, Instituto de Investigación de Navarra (IdisNA), Clínica Universidad de Navarra and Centro de Investigación Médica Aplicada (CIMA), Universidad de Navarra, Pamplona, Spain
| | - Celia Martínez-Sánchez
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain
| | - Laura Zanatto
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Laura Sererols-Viñas
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Paula Cantallops-Vilà
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Silvia Affo
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Mar Coll
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain; Faculty of Medicine, University of Barcelona, Barcelona, Spain
| | - Xavier Thillen
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Laurent Dubuquoy
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, Lille, France
| | - Matías A Avila
- Hepatology Program, Liver Unit, Instituto de Investigación de Navarra (IdisNA), Clínica Universidad de Navarra and Centro de Investigación Médica Aplicada (CIMA), Universidad de Navarra, Pamplona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain
| | - Josepmaria Argemi
- Hepatology Program, Liver Unit, Instituto de Investigación de Navarra (IdisNA), Clínica Universidad de Navarra and Centro de Investigación Médica Aplicada (CIMA), Universidad de Navarra, Pamplona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain
| | - Arantza Lamas Paz
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain; Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University, Madrid, Spain
| | - Yulia A Nevzorova
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain; Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University, Madrid, Spain
| | - Francisco Javier Cubero
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain; Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University, Madrid, Spain
| | - Ramon Bataller
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Liver Unit, Hospital Clínic, Barcelona, Spain; Pittsburgh Liver Research Center, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Juan José Lozano
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain
| | - Pere Ginès
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Liver Unit, Hospital Clínic, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain; Faculty of Medicine, University of Barcelona, Barcelona, Spain
| | - Philippe Mathurin
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, Lille, France
| | - Pau Sancho-Bru
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain; Faculty of Medicine, University of Barcelona, Barcelona, Spain.
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Qin D, Wang R, Ji J, Wang D, Lu Y, Cao S, Chen Y, Wang L, Chen X, Zhang L. Hepatocyte-specific Sox9 knockout ameliorates acute liver injury by suppressing SHP signaling and improving mitochondrial function. Cell Biosci 2023; 13:159. [PMID: 37649095 PMCID: PMC10468867 DOI: 10.1186/s13578-023-01104-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 08/09/2023] [Indexed: 09/01/2023] Open
Abstract
BACKGROUND AND AIMS Sex determining region Y related high-mobility group box protein 9 (Sox9) is expressed in a subset of hepatocytes, and it is important for chronic liver injury. However, the roles of Sox9+ hepatocytes in response to the acute liver injury and repair are poorly understood. METHODS In this study, we developed the mature hepatocyte-specific Sox9 knockout mouse line and applied three acute liver injury models including PHx, CCl4 and hepatic ischemia reperfusion (IR). Huh-7 cells were subjected to treatment with hydrogen peroxide (H2O2) in order to induce cellular damage in an in vitro setting. RESULTS We found the positive effect of Sox9 deletion on acute liver injury repair. Small heterodimer partner (SHP) expression was highly suppressed in hepatocyte-specific Sox9 deletion mouse liver, accompanied by less cell death and more cell proliferation. However, in mice with hepatocyte-specific Sox9 deletion and SHP overexpression, we observed an opposite phenotype. In addition, the overexpression of SOX9 in H2O2-treated Huh-7 cells resulted in an increase in cytoplasmic SHP accumulation, accompanied by a reduction of SHP in the nucleus. This led to impaired mitochondrial function and subsequent cell death. Notably, both the mitochondrial dysfunction and cell damage were reversed when SHP siRNA was employed, indicating the crucial role of SHP in mediating these effects. Furthermore, we found that Sox9, as a vital transcription factor, directly bound to SHP promoter to regulate SHP transcription. CONCLUSIONS Overall, our findings unravel the mechanism by which hepatocyte-specific Sox9 knockout ameliorates acute liver injury via suppressing SHP signaling and improving mitochondrial function. This study may provide a new treatment strategy for acute liver injury in future.
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Affiliation(s)
- Dan Qin
- College of Veterinary Medicine/College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Rui Wang
- College of Veterinary Medicine/College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Jinwei Ji
- College of Veterinary Medicine/College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Duo Wang
- College of Veterinary Medicine/College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Yuanyuan Lu
- College of Veterinary Medicine/College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Shiyao Cao
- College of Veterinary Medicine/College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Yaqing Chen
- College of Veterinary Medicine/College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Liqiang Wang
- Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, 28th Fuxing Road, Beijing, 100853, China
| | - Xiangmei Chen
- Department of Nephrology, Chinese PLA General Hospital, Chinese PLA Institute of Nephrology, State Key Laboratory of Kidney Diseases, National Clinical Research Center for Kidney Diseases, 28th Fuxing Road, Beijing, 100853, China
| | - Lisheng Zhang
- College of Veterinary Medicine/College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, 430070, Hubei, China.
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21
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Boogerd CJ, Perini I, Kyriakopoulou E, Han SJ, La P, van der Swaan B, Berkhout JB, Versteeg D, Monshouwer-Kloots J, van Rooij E. Cardiomyocyte proliferation is suppressed by ARID1A-mediated YAP inhibition during cardiac maturation. Nat Commun 2023; 14:4716. [PMID: 37543677 PMCID: PMC10404286 DOI: 10.1038/s41467-023-40203-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 07/18/2023] [Indexed: 08/07/2023] Open
Abstract
The inability of adult human cardiomyocytes to proliferate is an obstacle to efficient cardiac regeneration after injury. Understanding the mechanisms that drive postnatal cardiomyocytes to switch to a non-regenerative state is therefore of great significance. Here we show that Arid1a, a subunit of the switching defective/sucrose non-fermenting (SWI/SNF) chromatin remodeling complex, suppresses postnatal cardiomyocyte proliferation while enhancing maturation. Genome-wide transcriptome and epigenome analyses revealed that Arid1a is required for the activation of a cardiomyocyte maturation gene program by promoting DNA access to transcription factors that drive cardiomyocyte maturation. Furthermore, we show that ARID1A directly binds and inhibits the proliferation-promoting transcriptional coactivators YAP and TAZ, indicating ARID1A sequesters YAP/TAZ from their DNA-binding partner TEAD. In ischemic heart disease, Arid1a expression is enhanced in cardiomyocytes of the border zone region. Inactivation of Arid1a after ischemic injury enhanced proliferation of border zone cardiomyocytes. Our study illuminates the pivotal role of Arid1a in cardiomyocyte maturation, and uncovers Arid1a as a crucial suppressor of cardiomyocyte proliferation.
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Affiliation(s)
- Cornelis J Boogerd
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, Netherlands.
| | - Ilaria Perini
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, Netherlands
| | - Eirini Kyriakopoulou
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, Netherlands
| | - Su Ji Han
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, Netherlands
| | - Phit La
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, Netherlands
| | - Britt van der Swaan
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, Netherlands
| | - Jari B Berkhout
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, Netherlands
| | - Danielle Versteeg
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, Netherlands
| | - Jantine Monshouwer-Kloots
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, Netherlands
| | - Eva van Rooij
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, Netherlands.
- Department of Cardiology, University Medical Center Utrecht, Utrecht, Netherlands.
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22
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Illi B, Nasi S. Myc beyond Cancer: Regulation of Mammalian Tissue Regeneration. PATHOPHYSIOLOGY 2023; 30:346-365. [PMID: 37606389 PMCID: PMC10443299 DOI: 10.3390/pathophysiology30030027] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/23/2023] Open
Abstract
Myc is one of the most well-known oncogenes driving tumorigenesis in a wide variety of tissues. From the brain to blood, its deregulation derails physiological pathways that grant the correct functioning of the cell. Its action is carried out at the gene expression level, where Myc governs basically every aspect of transcription. Indeed, in addition to its role as a canonical, chromatin-bound transcription factor, Myc rules RNA polymerase II (RNAPII) transcriptional pause-release, elongation and termination and mRNA capping. For this reason, it is evident that minimal perturbations of Myc function mirror malignant cell behavior and, consistently, a large body of literature mainly focuses on Myc malfunctioning. In healthy cells, Myc controls molecular mechanisms involved in pivotal functions, such as cell cycle (and proliferation thereof), apoptosis, metabolism and cell size, angiogenesis, differentiation and stem cell self-renewal. In this latter regard, Myc has been found to also regulate tissue regeneration, a hot topic in the research fields of aging and regenerative medicine. Indeed, Myc appears to have a role in wound healing, in peripheral nerves and in liver, pancreas and even heart recovery. Herein, we discuss the state of the art of Myc's role in tissue regeneration, giving an overview of its potent action beyond cancer.
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Affiliation(s)
- Barbara Illi
- Institute of Molecular Biology and Pathology, National Research Council, c/o Department of Biology and Biotechnology “Charles Darwin”, Sapienza University of Rome, 00185 Rome, Italy
| | - Sergio Nasi
- Institute of Molecular Biology and Pathology, National Research Council, c/o Department of Biology and Biotechnology “Charles Darwin”, Sapienza University of Rome, 00185 Rome, Italy
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23
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Chen F, Schönberger K, Tchorz JS. Distinct hepatocyte identities in liver homeostasis and regeneration. JHEP Rep 2023; 5:100779. [PMID: 37456678 PMCID: PMC10339260 DOI: 10.1016/j.jhepr.2023.100779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 03/27/2023] [Accepted: 04/07/2023] [Indexed: 07/18/2023] Open
Abstract
The process of metabolic liver zonation is spontaneously established by assigning distributed tasks to hepatocytes along the porto-central blood flow. Hepatocytes fulfil critical metabolic functions, while also maintaining hepatocyte mass by replication when needed. Recent technological advances have enabled us to fine-tune our understanding of hepatocyte identity during homeostasis and regeneration. Subsets of hepatocytes have been identified to be more regenerative and some have even been proposed to function like stem cells, challenging the long-standing view that all hepatocytes are similarly capable of regeneration. The latest data show that hepatocyte renewal during homeostasis and regeneration after liver injury is not limited to rare hepatocytes; however, hepatocytes are not exactly the same. Herein, we review the known differences that give individual hepatocytes distinct identities, recent findings demonstrating how these distinct identities correspond to differences in hepatocyte regenerative capacity, and how the plasticity of hepatocyte identity allows for division of labour among hepatocytes. We further discuss how these distinct hepatocyte identities may play a role during liver disease.
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Affiliation(s)
- Feng Chen
- Novartis Institutes for BioMedical Research, Cambridge, MA, United States
| | | | - Jan S. Tchorz
- Novartis Institutes for BioMedical Research, Basel, Switzerland
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24
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Ganguly K, Kimmelman AC. Reprogramming of tissue metabolism during cancer metastasis. Trends Cancer 2023; 9:461-471. [PMID: 36935322 PMCID: PMC10192089 DOI: 10.1016/j.trecan.2023.02.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 03/19/2023]
Abstract
Cancer is a systemic disease that involves malignant cell-intrinsic and -extrinsic metabolic adaptations. Most studies have tended to focus on elucidating the metabolic vulnerabilities in the primary tumor microenvironment, leaving the metastatic microenvironment less explored. In this opinion article, we discuss the current understanding of the metabolic crosstalk between the cancer cells and the tumor microenvironment, both at local and systemic levels. We explore the possible influence of the primary tumor secretome to metabolically and epigenetically rewire the nonmalignant distant organs during prometastatic niche formation and successful metastatic colonization by the cancer cells. In an attempt to understand the process of prometastatic niche formation, we have speculated how cancer may hijack the inherent regenerative propensity of tissue parenchyma during metastatic colonization.
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Affiliation(s)
- Koelina Ganguly
- Perlmutter Cancer Center, New York University School of Medicine, New York, NY, USA; Department of Radiation Oncology, New York University Grossman School of Medicine, New York, NY, USA
| | - Alec C Kimmelman
- Perlmutter Cancer Center, New York University School of Medicine, New York, NY, USA; Department of Radiation Oncology, New York University Grossman School of Medicine, New York, NY, USA.
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25
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Aguilar-Bravo B, Ariño S, Blaya D, Pose E, Martinez García de la Torre RA, Latasa MU, Martínez-Sánchez C, Zanatto L, Sererols-Viñas L, Cantallops P, Affo S, Coll M, Thillen X, Dubuquoy L, Avila MA, Argemi JM, Paz AL, Nevzorova YA, Cubero J, Bataller R, Lozano JJ, Ginès P, Mathurin P, Sancho-Bru P. Hepatocyte Dedifferentiation Profiling In Alcohol-Related Liver Disease Identifies CXCR4 As A Driver Of Cell Reprogramming. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.04.535566. [PMID: 37066245 PMCID: PMC10104068 DOI: 10.1101/2023.04.04.535566] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Background and Aims Loss of hepatocyte identity is associated with impaired liver function in alcohol-related hepatitis (AH). In this context, hepatocyte dedifferentiation gives rise to cells with a hepatobiliary (HB) phenotype expressing biliary and hepatocytes markers and showing immature features. However, the mechanisms and the impact of hepatocyte dedifferentiation in liver disease are poorly understood. Methods HB cells and ductular reaction (DR) cells were quantified and microdissected from liver biopsies from patients with alcohol-related liver disease (ALD). Hepatocyte- specific overexpression or deletion of CXCR4, and CXCR4 pharmacological inhibition were assessed in mouse liver injury. Patient-derived and mouse organoids were generated to assess plasticity. Results Here we show that HB and DR cells are increased in patients with decompensated cirrhosis and AH, but only HB cells correlate with poor liver function and patients' outcome. Transcriptomic profiling of HB cells revealed the expression of biliary-specific genes and a mild reduction of hepatocyte metabolism. Functional analysis identified pathways involved in hepatocyte reprogramming, inflammation, stemness and cancer gene programs. CXCR4 pathway was highly enriched in HB cells, and correlated with disease severity and hepatocyte dedifferentiation. In vitro , CXCR4 was associated with biliary phenotype and loss of hepatocyte features. Liver overexpression of CXCR4 in chronic liver injury decreased hepatocyte specific gene expression profile and promoted liver injury. CXCR4 deletion or its pharmacological inhibition ameliorated hepatocyte dedifferentiation and reduced DR and fibrosis progression. Conclusions This study shows the association of hepatocyte dedifferentiation with disease progression and poor outcome in AH. Moreover, the transcriptomic profiling of HB cells revealed CXCR4 as a new driver of hepatocyte-to-biliary reprogramming and as a potential therapeutic target to halt hepatocyte dedifferentiation in AH. Lay summary Here we describe that hepatocyte dedifferentiation is associated with disease severity and a reduced synthetic capacity of the liver. Moreover, we identify the CXCR4 pathway as a driver of hepatocyte dedifferentiation and as a therapeutic target in alcohol-related hepatitis.
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26
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Jiang M, Guo R, Ai Y, Wang G, Tang P, Jia X, He B, Yuan Q, Xie X. Small molecule drugs promote repopulation of transplanted hepatocytes by stimulating cell dedifferentiation. JHEP Rep 2023; 5:100670. [PMID: 36873420 PMCID: PMC9976449 DOI: 10.1016/j.jhepr.2023.100670] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 12/17/2022] [Accepted: 12/21/2022] [Indexed: 01/15/2023] Open
Abstract
Background & Aims Hepatocyte transplantation has emerged as a possible treatment option for end-stage liver disease. However, an important obstacle to therapeutic success is the low level of engraftment and proliferation of transplanted hepatocytes, which do not survive long enough to exert therapeutic effects. Thus, we aimed to explore the mechanisms of hepatocyte proliferation in vivo and find a way to promote the growth of transplanted hepatocytes. Methods Hepatocyte transplantation was performed in Fah -/- mice to explore the mechanisms of hepatocyte proliferation in vivo. Guided by in vivo regeneration mechanisms, we identified compounds that promote hepatocyte proliferation in vitro. The in vivo effects of these compounds on transplanted hepatocytes were then evaluated. Results The transplanted mature hepatocytes were found to dedifferentiate into hepatic progenitor cells (HPCs), which proliferate and then convert back to a mature state at the completion of liver repopulation. The combination of two small molecules Y-27632 (Y, ROCK inhibitor) and CHIR99021 (C, Wnt agonist) could convert mouse primary hepatocytes into HPCs, which could be passaged for more than 30 passages in vitro. Moreover, YC could stimulate the proliferation of transplanted hepatocytes in Fah -/- livers by promoting their conversion into HPCs. Netarsudil (N) and LY2090314 (L), two clinically used drugs which target the same pathways as YC, could also promote hepatocyte proliferation in vitro and in vivo, by facilitating HPC conversion. Conclusions Our work suggests drugs promoting hepatocyte dedifferentiation may facilitate the growth of transplanted hepatocytes in vivo and may facilitate the application of hepatocyte therapy. Impact and implications Hepatocyte transplantation may be a treatment option for patients with end-stage liver disease. However, one important obstacle to hepatocyte therapy is the low level of engraftment and proliferation of the transplanted hepatocytes. Herein, we show that small molecule compounds which promote hepatocyte proliferation in vitro by facilitating dedifferentiation, could promote the growth of transplanted hepatocytes in vivo and may facilitate the application of hepatocyte therapy.
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Key Words
- (i)HPCs, (induced) hepatic progenitor cells
- A, A-83-01
- ALP, alkaline phosphatase
- ALT, alanine aminotransferase
- AST, aspartate aminotransferase
- C, CHIR99021
- DDC, 3,5-diethoxycarbonyl-1,4-dihydrocollidine
- Dedifferentiation
- HMM, hepatic maturation medium
- Hepatocyte expansion
- Hepatocyte progenitor cells
- Hepatocyte transplantation
- L, LY2090314
- N, netarsudil
- NTBC, 2-(2-nitro-4-trifluoro-methylbenzoyl)-1,3-cyclo-hexanedione
- PHx, partial hepatectomy
- RT-PCR, reverse-transcription PCR
- Small molecule compounds
- Y, Y27632
- iMHs, induced mature hepatocytes
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Affiliation(s)
- Mengmeng Jiang
- School of Life Science and Technology, Shanghai Tech University, Shanghai 201210, China.,CAS Key Laboratory of Receptor Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
| | - Ren Guo
- CAS Key Laboratory of Receptor Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yan Ai
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Gang Wang
- Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Peilan Tang
- School of Pharmaceutical Science, Nanchang University, Nanchang 330006, PR China
| | - Xiaohui Jia
- CAS Key Laboratory of Receptor Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
| | - Bingqing He
- School of Life Science and Technology, Shanghai Tech University, Shanghai 201210, China.,CAS Key Laboratory of Receptor Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
| | - Qianting Yuan
- CAS Key Laboratory of Receptor Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xin Xie
- School of Life Science and Technology, Shanghai Tech University, Shanghai 201210, China.,CAS Key Laboratory of Receptor Research, National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China.,State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
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Lee SH, So J, Shin D. Hepatocyte-to-cholangiocyte conversion occurs through transdifferentiation independently of proliferation in zebrafish. Hepatology 2023; 77:1198-1210. [PMID: 36626626 PMCID: PMC10023500 DOI: 10.1097/hep.0000000000000016] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 10/10/2022] [Indexed: 01/12/2023]
Abstract
BACKGROUND AND AIMS Injury to biliary epithelial cells (BECs) lining the hepatic bile ducts leads to cholestatic liver diseases. Upon severe biliary damage, hepatocytes can convert to BECs, thereby contributing to liver recovery. Given a potential of augmenting this hepatocyte-to-BEC conversion as a therapeutic option for cholestatic liver diseases, it will be important to thoroughly understand the cellular and molecular mechanisms of the conversion process. APPROACH AND RESULTS Towards this aim, we have established a zebrafish model for hepatocyte-to-BEC conversion by employing Tg(fabp10a:CFP-NTR) zebrafish with a temporal inhibition of Notch signaling during regeneration. Cre/loxP-mediated permanent and H2B-mCherry-mediated short-term lineage tracing revealed that in the model, all BECs originate from hepatocytes. During the conversion, BEC markers are sequentially induced in the order of Sox9b, Yap/Taz, Notch activity/ epcam , and Alcama/ krt18 ; the expression of the hepatocyte marker Bhmt disappears between the Sox9b and Yap/Taz induction. Importantly, live time-lapse imaging unambiguously revealed transdifferentiation of hepatocytes into BECs: hepatocytes convert to BECs without transitioning through a proliferative intermediate state. In addition, using compounds and transgenic and mutant lines that modulate Notch and Yap signaling, we found that both Notch and Yap signaling are required for the conversion even in Notch- and Yap-overactivating settings. CONCLUSIONS Hepatocyte-to-BEC conversion occurs through transdifferentiation independently of proliferation, and Notch and Yap signaling control the process in parallel with a mutually positive interaction. The new zebrafish model will further contribute to a thorough understanding of the mechanisms of the conversion process.
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Affiliation(s)
- Seung-Hoon Lee
- Department of Developmental Biology, McGowan Institute for Regenerative Medicine, Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Juhoon So
- Department of Developmental Biology, McGowan Institute for Regenerative Medicine, Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Donghun Shin
- Department of Developmental Biology, McGowan Institute for Regenerative Medicine, Pittsburgh Liver Research Center, University of Pittsburgh, Pittsburgh, PA 15260, USA
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28
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Li R, Li D, Nie Y. IL-6/gp130 signaling: a key unlocking regeneration. CELL REGENERATION (LONDON, ENGLAND) 2023; 12:16. [PMID: 36952066 PMCID: PMC10036683 DOI: 10.1186/s13619-023-00160-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 03/24/2023]
Abstract
Liver is an organ with notable capacity of regeneration. Reprogramming of hepatocytes towards an immature state is one of the important mechanisms for hepatocyte replenishment. Inflammatory response mediated by IL-6 and its family cytokines has been widely reported closely related with tissue regeneration in myriads of organs. Recently Hui and colleagues reported that the dedifferentiation of hepatocytes depends upon IL-6 signaling from Kupffer cells and the reprogramming of gene expression under the inflammatory condition is different from the regulation of gene expression during embryo hepatocyte specification, highlighting a tight linkage between extracellular microenvironment and parenchymal cell plasticity during tissue regenerative repair.
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Affiliation(s)
- Ruopu Li
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital & Cardiovascular Institute, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Street, Beilishi Road, Xicheng District, 100037, Beijing, People's Republic of China
| | - Deqiang Li
- The Center for Cardiovascular Research, the Research Institute at Nationwide Children's Hospital, 575 Children's Drive, Columbus, OH, 43215, USA
- The Department of Pediatrics, College of Medicine, Ohio State University, Columbus, OH, 43215, USA
| | - Yu Nie
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital & Cardiovascular Institute, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, 167 Street, Beilishi Road, Xicheng District, 100037, Beijing, People's Republic of China.
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Fuwai Central-China Hospital, Central China Branch of National Center for Cardiovascular Diseases, 450046, Zhengzhou, China.
- Shenzhen Key Laboratory of Cardiovascular Disease, Fuwai Hospital Chinese Academy of Medical Sciences, 518057, Shenzhen, China.
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29
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Lebedev T, Kousar R, Patrick B, Usama M, Lee MK, Tan M, Li XG. Targeting ARID1A-Deficient Cancers: An Immune-Metabolic Perspective. Cells 2023; 12:cells12060952. [PMID: 36980292 PMCID: PMC10047504 DOI: 10.3390/cells12060952] [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: 01/01/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Epigenetic remodeling and metabolic reprogramming, two well-known cancer hallmarks, are highly intertwined. In addition to their abilities to confer cancer cell growth advantage, these alterations play a critical role in dynamically shaping the tumor microenvironment and antitumor immunity. Recent studies point toward the interplay between epigenetic regulation and metabolic rewiring as a potentially targetable Achilles' heel in cancer. In this review, we explore the key metabolic mechanisms that underpin the immunomodulatory role of AT-rich interaction domain 1A (ARID1A), the most frequently mutated epigenetic regulator across human cancers. We will summarize the recent advances in targeting ARID1A-deficient cancers by harnessing immune-metabolic vulnerability elicited by ARID1A deficiency to stimulate antitumor immune response, and ultimately, to improve patient outcome.
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Affiliation(s)
- Timofey Lebedev
- Department of Cancer Cell Biology, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
| | - Rubina Kousar
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 110122, Taiwan
- Research Center for Cancer Biology, China Medical University, Taichung 110122, Taiwan
- Institute of Biochemistry and Molecular Biology, College of Life Sciences, China Medical University, Taichung 110122, Taiwan
| | - Bbumba Patrick
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 110122, Taiwan
- Research Center for Cancer Biology, China Medical University, Taichung 110122, Taiwan
- Institute of Biochemistry and Molecular Biology, College of Life Sciences, China Medical University, Taichung 110122, Taiwan
| | - Muhammad Usama
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 110122, Taiwan
- Research Center for Cancer Biology, China Medical University, Taichung 110122, Taiwan
- Institute of Biochemistry and Molecular Biology, College of Life Sciences, China Medical University, Taichung 110122, Taiwan
| | - Meng-Kuei Lee
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 110122, Taiwan
- Research Center for Cancer Biology, China Medical University, Taichung 110122, Taiwan
- Institute of Biochemistry and Molecular Biology, College of Life Sciences, China Medical University, Taichung 110122, Taiwan
| | - Ming Tan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 110122, Taiwan
- Research Center for Cancer Biology, China Medical University, Taichung 110122, Taiwan
- Institute of Biochemistry and Molecular Biology, College of Life Sciences, China Medical University, Taichung 110122, Taiwan
| | - Xing-Guo Li
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 110122, Taiwan
- Research Center for Cancer Biology, China Medical University, Taichung 110122, Taiwan
- Institute of Biochemistry and Molecular Biology, College of Life Sciences, China Medical University, Taichung 110122, Taiwan
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30
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Wang Y, Su L, Wang W, Zhao J, Wang Y, Li S, Liu Y, Chai R, Li X, Teng Z, Liu C, Hu B, Ji F, Jiao J. Endothelial Arid1a deletion disrupts the balance among angiogenesis, neurogenesis and gliogenesis in the developing brain. Cell Prolif 2023; 56:e13447. [PMID: 36916004 DOI: 10.1111/cpr.13447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/22/2023] [Accepted: 03/01/2023] [Indexed: 03/16/2023] Open
Abstract
The vascular system and the neural system processes occur simultaneously, the interaction among them is fundamental to the normal development of the central nervous system. Arid1a (AT-rich interaction domain 1A), which encodes an epigenetic subunit of the SWI/SNF chromatin-remodelling complex, is associated with promoter-mediated gene regulation and histone modification. However, the molecular mechanism of the interaction between cerebrovascular and neural progenitor cells (NPCs) remains unclear. To generate Arid1acKO-Tie2 mice, Arid1afl/fl mice were hybridized with Tie2-Cre mice. The Angiogenesis, neurogenesis and gliogenesis were studied by immunofluorescence staining and Western blotting. RNA-seq, RT-PCR, Western blotting, CO-IP and rescue experiments were performed to dissect the molecular mechanisms of Arid1a regulates fate determination of NPCs. We found that the absence of Arid1a results in increased the density of blood vessels, delayed neurogenesis and decreased gliogenesis, even after birth. Mechanistically, the deletion of Arid1a in endothelial cells causes a significant increase in H3k27ac and the secretion of maternal protein 2 (MATN2). In addition, matn2 alters the AKT/SMAD4 signalling pathway through its interaction with the NPCs receptor EGFR, leading to the decrease of SMAD4. SMAD complex further mediates the expression of downstream targets, thereby promoting neurogenesis and inhibiting gliogenesis. This study suggests that endothelial Arid1a tightly controls fate determination of NPCs by regulating the AKT-SMAD signalling pathway.
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Affiliation(s)
- Yuanyuan Wang
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Libo Su
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Innovation Academy for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Wenwen Wang
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,School of Life Sciences, University of Science and Technology of China, Hefei, China
| | - Jinyue Zhao
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Yanyan Wang
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Sihan Li
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Yan Liu
- State Key Laboratory of Reproductive Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, China
| | - Renjie Chai
- Institute of Life Sciences, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University, Nanjing, China
| | - Xin Li
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Innovation Academy for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Zhaoqian Teng
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Innovation Academy for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Changmei Liu
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Innovation Academy for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Baoyang Hu
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Innovation Academy for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Fen Ji
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Innovation Academy for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Jianwei Jiao
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Innovation Academy for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
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Li L, Cui L, Lin P, Liu Z, Bao S, Ma X, Nan H, Zhu W, Cen J, Mao Y, Ma X, Jiang L, Nie Y, Ginhoux F, Li Y, Li H, Hui L. Kupffer-cell-derived IL-6 is repurposed for hepatocyte dedifferentiation via activating progenitor genes from injury-specific enhancers. Cell Stem Cell 2023; 30:283-299.e9. [PMID: 36787740 DOI: 10.1016/j.stem.2023.01.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 12/12/2022] [Accepted: 01/20/2023] [Indexed: 02/15/2023]
Abstract
Stem cell-independent reprogramming of differentiated cells has recently been identified as an important paradigm for repairing injured tissues. Following periportal injury, mature hepatocytes re-activate reprogramming/progenitor-related genes (RRGs) and dedifferentiate into liver progenitor-like cells (LPLCs) in both mice and humans, which contribute remarkably to regeneration. However, it remains unknown which and how external factors trigger hepatocyte reprogramming. Here, by employing single-cell transcriptional profiling and lineage-specific deletion tools, we uncovered that periportal-specific LPLC formation was initiated by regionally activated Kupffer cells but not peripheral monocyte-derived macrophages. Unexpectedly, using in vivo screening, the proinflammatory factor IL-6 was identified as the niche signal repurposed for RRG induction via STAT3 activation, which drove RRG expression through binding to their pre-accessible enhancers. Notably, RRGs were activated through injury-specific rather than liver embryogenesis-related enhancers. Collectively, these findings depict an injury-specific niche signal and the inflammation-mediated transcription in driving the conversion of hepatocytes into a progenitor phenotype.
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Affiliation(s)
- Lu Li
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Lei Cui
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Ping Lin
- CAS Key Laboratory of Computational Biology, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Zhaoyuan Liu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Shujie Bao
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Xiaolong Ma
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Haitao Nan
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Wencheng Zhu
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Jin Cen
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Yunuo Mao
- Beijing Advanced Innovation Center for Genomics (ICG), College of Life Sciences, Department of Obstetrics and Gynecology, Third Hospital, Peking University, Beijing 100871, China
| | - Xiong Ma
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai 200001, China
| | - Lingyong Jiang
- Department of Oral & Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Yu Nie
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100037, China
| | - Florent Ginhoux
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China; Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648, Singapore; Translational Immunology Institute, Singhealth/Duke-NUS Academic Medical Centre, Singapore 169856, Singapore; Gustave Roussy Cancer Campus, Villejuif 94800, France
| | - Yixue Li
- CAS Key Laboratory of Computational Biology, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; Guangdong Laboratory, Guangzhou 510320, China.
| | - Hong Li
- CAS Key Laboratory of Computational Biology, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China.
| | - Lijian Hui
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China; Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China.
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32
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Katsuda T, Sussman J, Ito K, Katznelson A, Yuan S, Li J, Merrell AJ, Takenaka N, Cure H, Li Q, Rasool RU, Asangani IA, Zaret KS, Stanger BZ. Physiological reprogramming in vivo mediated by Sox4 pioneer factor activity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.14.528556. [PMID: 36824858 PMCID: PMC9948957 DOI: 10.1101/2023.02.14.528556] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Tissue damage elicits cell fate switching through a process called metaplasia, but how the starting cell fate is silenced and the new cell fate is activated has not been investigated in animals. In cell culture, pioneer transcription factors mediate "reprogramming" by opening new chromatin sites for expression that can attract transcription factors from the starting cell's enhancers. Here we report that Sox4 is sufficient to initiate hepatobiliary metaplasia in the adult liver. In lineage-traced cells, we assessed the timing of Sox4-mediated opening of enhancer chromatin versus enhancer decommissioning. Initially, Sox4 directly binds to and closes hepatocyte regulatory sequences via a motif it overlaps with Hnf4a, a hepatocyte master regulator. Subsequently, Sox4 exerts pioneer factor activity to open biliary regulatory sequences. The results delineate a hierarchy by which gene networks become reprogrammed under physiological conditions, providing deeper insight into the basis for cell fate transitions in animals.
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Affiliation(s)
- Takeshi Katsuda
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA
| | - Jonathan Sussman
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA
| | - Kenji Ito
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- The Institute for Regenerative Medicine, University of Pennsylvania Philadelphia, PA
| | - Andrew Katznelson
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- The Institute for Regenerative Medicine, University of Pennsylvania Philadelphia, PA
| | - Salina Yuan
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA
| | - Jinyang Li
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA
| | - Allyson J. Merrell
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA
| | - Naomi Takenaka
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- The Institute for Regenerative Medicine, University of Pennsylvania Philadelphia, PA
| | - Hector Cure
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA
| | - Qinglan Li
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- The Institute for Regenerative Medicine, University of Pennsylvania Philadelphia, PA
| | - Reyaz Ur Rasool
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA
- Penn Epigenetics Institute, University of Pennsylvania, Philadelphia, PA
| | - Irfan A. Asangani
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA
- Penn Epigenetics Institute, University of Pennsylvania, Philadelphia, PA
| | - Kenneth S. Zaret
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- The Institute for Regenerative Medicine, University of Pennsylvania Philadelphia, PA
- Penn Epigenetics Institute, University of Pennsylvania, Philadelphia, PA
| | - Ben Z. Stanger
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Cell and Developmental Biology, University of Pennsylvania, Philadelphia, PA
- Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA
- The Institute for Regenerative Medicine, University of Pennsylvania Philadelphia, PA
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33
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Kim M, Rizvi F, Shin D, Gouon-Evans V. Update on Hepatobiliary Plasticity. Semin Liver Dis 2023; 43:13-23. [PMID: 36764306 PMCID: PMC10005859 DOI: 10.1055/s-0042-1760306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
The liver field has been debating for decades the contribution of the plasticity of the two epithelial compartments in the liver, hepatocytes and biliary epithelial cells (BECs), to derive each other as a repair mechanism. The hepatobiliary plasticity has been first observed in diseased human livers by the presence of biphenotypic cells expressing hepatocyte and BEC markers within bile ducts and regenerative nodules or budding from strings of proliferative BECs in septa. These observations are not surprising as hepatocytes and BECs derive from a common fetal progenitor, the hepatoblast, and, as such, they are expected to compensate for each other's loss in adults. To investigate the cell origin of regenerated cell compartments and associated molecular mechanisms, numerous murine and zebrafish models with ability to trace cell fates have been extensively developed. This short review summarizes the clinical and preclinical studies illustrating the hepatobiliary plasticity and its potential therapeutic application.
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Affiliation(s)
- Minwook Kim
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Fatima Rizvi
- Department of Medicine, Gastroenterology Section, Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, Massachusetts
| | - Donghun Shin
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Valerie Gouon-Evans
- Department of Medicine, Gastroenterology Section, Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, Massachusetts
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34
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Martini T, Naef F, Tchorz JS. Spatiotemporal Metabolic Liver Zonation and Consequences on Pathophysiology. ANNUAL REVIEW OF PATHOLOGY 2023; 18:439-466. [PMID: 36693201 DOI: 10.1146/annurev-pathmechdis-031521-024831] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Hepatocytes are the main workers in the hepatic factory, managing metabolism of nutrients and xenobiotics, production and recycling of proteins, and glucose and lipid homeostasis. Division of labor between hepatocytes is critical to coordinate complex complementary or opposing multistep processes, similar to distributed tasks at an assembly line. This so-called metabolic zonation has both spatial and temporal components. Spatial distribution of metabolic function in hepatocytes of different lobular zones is necessary to perform complex sequential multistep metabolic processes and to assign metabolic tasks to the right environment. Moreover, temporal control of metabolic processes is critical to align required metabolic processes to the feeding and fasting cycles. Disruption of this complex spatiotemporal hepatic organization impairs key metabolic processes with both local and systemic consequences. Many metabolic diseases, such as nonalcoholic steatohepatitis and diabetes, are associated with impaired metabolic liver zonation. Recent technological advances shed new light on the spatiotemporal gene expression networks controlling liver function and how their deregulation may be involved in a large variety of diseases. We summarize the current knowledge about spatiotemporal metabolic liver zonation and consequences on liver pathobiology.
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Affiliation(s)
- Tomaz Martini
- Institute of Bioengineering, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland;
| | - Felix Naef
- Institute of Bioengineering, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland;
| | - Jan S Tchorz
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland;
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35
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Kim M, Delgado E, Ko S. DNA methylation in cell plasticity and malignant transformation in liver diseases. Pharmacol Ther 2023; 241:108334. [PMID: 36535346 PMCID: PMC9841769 DOI: 10.1016/j.pharmthera.2022.108334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/09/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
The liver possesses extraordinary regenerative capacity mainly attributable to the ability of hepatocytes (HCs) and biliary epithelial cells (BECs) to self-replicate. This ability is left over from their bipotent parent cell, the hepatoblast, during development. When this innate regeneration is compromised due to the absence of proliferative parenchymal cells, such as during cirrhosis, HCs and BEC can transdifferentiate; thus, adding another layer of complexity to the process of liver repair. In addition, dysregulated lineage maintenance in these two cell populations has been shown to promote malignant growth in experimental conditions. Here, malignant transformation, driven in part by insufficient maintenance of lineage reprogramming, contributes to end-stage liver disease. Epigenetic changes are key drivers for cell fate decisions as well as transformation by finetuning overall transcription and gene expression. In this review, we address how altered DNA methylation contributes to the initiation and progression of hepatic cell fate conversion and cancer formation. We also discussed the diagnostic and therapeutic potential of targeting DNA methylation in liver cancer, its current limitations, and what future research is necessary to facilitate its contribution to clinical translation.
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Affiliation(s)
- Minwook Kim
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States of America
| | - Evan Delgado
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States of America; Pittsburgh Liver Research Center, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States of America
| | - Sungjin Ko
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States of America; Pittsburgh Liver Research Center, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States of America.
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36
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Wang C, Zhang L, Sun Z, Yuan X, Wu B, Cen J, Cui L, Zhang K, Li C, Wu J, Shu Y, Sun W, Wang J, Hui L. Dedifferentiation-associated inflammatory factors of long-term expanded human hepatocytes exacerbate their elimination by macrophages during liver engraftment. Hepatology 2022; 76:1690-1705. [PMID: 35229337 DOI: 10.1002/hep.32436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 02/24/2022] [Accepted: 02/25/2022] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND AIMS Hepatocyte transplantation has been demonstrated to be effective to treat liver metabolic disease and acute liver failure. Nevertheless, the shortage of donor hepatocytes restrained its application in clinics. To expand human hepatocytes at a large scale, several dedifferentiation-based protocols have been established, including proliferating human hepatocytes (ProliHH). However, the decreased transplantation efficiency of these cells after long-term expansion largely impedes their application. APPROACH AND RESULTS We found that accompanied with dedifferentiation, long-term cultured ProliHH (lc-ProliHH) up-regulated a panel of chemokines and cytokines related to innate immunity, which were referred to as dedifferentiation-associated inflammatory factors (DAIF). DAIF elicited excessive macrophage responses, accounting for the elimination of lc-ProliHH specifically during engraftment. Two possible strategies to increase ProliHH transplantation were then characterized. Blockage of innate immune response by dexamethasone reverted the engraftment and repopulation of lc-ProliHH to a level comparable to primary hepatocytes, resulting in improved liver function and a better survival of fumarylacetoacetate hydrolase-deficient mice. Alternatively, rematuration of lc-ProliHH as organoids reduced the expression of DAIF and led to markedly improved engraftment. CONCLUSIONS These results revealed that lc-ProliHH triggers exacerbated macrophage activation by DAIF and provided potential solutions for clinical transplantation of lc-ProliHH.
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Affiliation(s)
- Chenhua Wang
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Ludi Zhang
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Zhen Sun
- School of Life Science and TechnologyShanghai Tech UniversityShanghaiChina
| | - Xiang Yuan
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Baihua Wu
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Jin Cen
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Lei Cui
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Kun Zhang
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Chun Li
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Jingqi Wu
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Yajing Shu
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Wenbin Sun
- Hangzhou Institute for Advanced StudyUniversity of Chinese Academy of SciencesHangzhouChina
| | - Jing Wang
- Shanghai Institute of Immunology, Department of Immunology and MicrobiologyShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Lijian Hui
- State Key Laboratory of Cell BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina.,School of Life Science and TechnologyShanghai Tech UniversityShanghaiChina.,Hangzhou Institute for Advanced StudyUniversity of Chinese Academy of SciencesHangzhouChina.,Institute for Stem Cell and RegenerationChinese Academy of SciencesBeijingChina
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37
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Annunziato S, Sun T, Tchorz JS. The RSPO-LGR4/5-ZNRF3/RNF43 module in liver homeostasis, regeneration, and disease. Hepatology 2022; 76:888-899. [PMID: 35006616 DOI: 10.1002/hep.32328] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 12/02/2021] [Accepted: 01/06/2022] [Indexed: 01/05/2023]
Abstract
WNT/β-catenin signaling plays pivotal roles during liver development, homeostasis, and regeneration. Likewise, its deregulation disturbs metabolic liver zonation and is responsible for the development of a large number of hepatic tumors. Liver fibrosis, which has become a major health burden for society and a hallmark of NASH, can also be promoted by WNT/β-catenin signaling. Upstream regulatory mechanisms controlling hepatic WNT/β-catenin activity may constitute targets for the development of novel therapies addressing these life-threatening conditions. The R-spondin (RSPO)-leucine-rich repeat-containing G protein-coupled receptor (LGR) 4/5-zinc and ring finger (ZNRF) 3/ring finger 43 (RNF43) module is fine-tuning WNT/β-catenin signaling in several tissues and is essential for hepatic WNT/β-catenin activity. In this review article, we recapitulate the role of the RSPO-LGR4/5-ZNRF3/RNF43 module during liver development, homeostasis, metabolic zonation, regeneration, and disease. We further discuss the controversy around LGR5 as a liver stem cell marker.
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Affiliation(s)
- Stefano Annunziato
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Tianliang Sun
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Jan S Tchorz
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
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38
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Neutrophils restrain sepsis associated coagulopathy via extracellular vesicles carrying superoxide dismutase 2 in a murine model of lipopolysaccharide induced sepsis. Nat Commun 2022; 13:4583. [PMID: 35933512 PMCID: PMC9357088 DOI: 10.1038/s41467-022-32325-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 07/26/2022] [Indexed: 11/09/2022] Open
Abstract
Disseminated intravascular coagulation (DIC) is a complication of sepsis currently lacking effective therapeutic options. Excessive inflammatory responses are emerging triggers of coagulopathy during sepsis, but the interplay between the immune system and coagulation are not fully understood. Here we utilize a murine model of intraperitoneal lipopolysaccharide stimulation and show neutrophils in the circulation mitigate the occurrence of DIC, preventing subsequent septic death. We show circulating neutrophils release extracellular vesicles containing mitochondria, which contain superoxide dismutase 2 upon exposure to lipopolysaccharide. Extracellular superoxide dismutase 2 is necessary to induce neutrophils' antithrombotic function by preventing endothelial reactive oxygen species accumulation and alleviating endothelial dysfunction. Intervening endothelial reactive oxygen species accumulation by antioxidants significantly ameliorates disseminated intravascular coagulation improving survival in this murine model of lipopolysaccharide challenge. These findings reveal an interaction between neutrophils and vascular endothelium which critically regulate coagulation in a model of sepsis and may have potential implications for the management of disseminated intravascular coagulation.
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39
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New Insights into Hippo/YAP Signaling in Fibrotic Diseases. Cells 2022; 11:cells11132065. [PMID: 35805148 PMCID: PMC9265296 DOI: 10.3390/cells11132065] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 06/25/2022] [Accepted: 06/26/2022] [Indexed: 12/20/2022] Open
Abstract
Fibrosis results from defective wound healing processes often seen after chronic injury and/or inflammation in a range of organs. Progressive fibrotic events may lead to permanent organ damage/failure. The hallmark of fibrosis is the excessive accumulation of extracellular matrix (ECM), mostly produced by pathological myofibroblasts and myofibroblast-like cells. The Hippo signaling pathway is an evolutionarily conserved kinase cascade, which has been described well for its crucial role in cell proliferation, apoptosis, cell fate decisions, and stem cell self-renewal during development, homeostasis, and tissue regeneration. Recent investigations in clinical and pre-clinical models has shown that the Hippo signaling pathway is linked to the pathophysiology of fibrotic diseases in many organs including the lung, heart, liver, kidney, and skin. In this review, we have summarized recent evidences related to the contribution of the Hippo signaling pathway in the development of organ fibrosis. A better understanding of this pathway will guide us to dissect the pathophysiology of fibrotic disorders and develop effective tissue repair therapies.
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40
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Zanotti S, Boot GF, Coto-Llerena M, Gallon J, Hess GF, Soysal SD, Kollmar O, Ng CKY, Piscuoglio S. The Role of Chronic Liver Diseases in the Emergence and Recurrence of Hepatocellular Carcinoma: An Omics Perspective. Front Med (Lausanne) 2022; 9:888850. [PMID: 35814741 PMCID: PMC9263082 DOI: 10.3389/fmed.2022.888850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 05/23/2022] [Indexed: 12/02/2022] Open
Abstract
Hepatocellular carcinoma (HCC) typically develops from a background of cirrhosis resulting from chronic inflammation. This inflammation is frequently associated with chronic liver diseases (CLD). The advent of next generation sequencing has enabled extensive analyses of molecular aberrations in HCC. However, less attention has been directed to the chronically inflamed background of the liver, prior to HCC emergence and during recurrence following surgery. Hepatocytes within chronically inflamed liver tissues present highly activated inflammatory signaling pathways and accumulation of a complex mutational landscape. In this altered environment, cells may transform in a stepwise manner toward tumorigenesis. Similarly, the chronically inflamed environment which persists after resection may impact the timing of HCC recurrence. Advances in research are allowing an extensive epigenomic, transcriptomic and proteomic characterization of CLD which define the emergence of HCC or its recurrence. The amount of data generated will enable the understanding of oncogenic mechanisms in HCC from the CLD perspective and provide the possibility to identify robust biomarkers or novel therapeutic targets for the treatment of primary and recurrent HCC. Importantly, biomarkers defined by the analysis of CLD tissue may permit the early detection or prevention of HCC emergence and recurrence. In this review, we compile the current omics based evidence of the contribution of CLD tissues to the emergence and recurrence of HCC.
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Affiliation(s)
- Sofia Zanotti
- Anatomic Pathology Unit, IRCCS Humanitas University Research Hospital, Milan, Italy
| | - Gina F. Boot
- Visceral Surgery and Precision Medicine Research Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Mairene Coto-Llerena
- Visceral Surgery and Precision Medicine Research Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
- Institute of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - John Gallon
- Visceral Surgery and Precision Medicine Research Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Gabriel F. Hess
- Clarunis, University Center for Gastrointestinal and Liver Diseases, St. Clara Hospital and University Hospital Basel, Basel, Switzerland
| | - Savas D. Soysal
- Clarunis, University Center for Gastrointestinal and Liver Diseases, St. Clara Hospital and University Hospital Basel, Basel, Switzerland
| | - Otto Kollmar
- Clarunis, University Center for Gastrointestinal and Liver Diseases, St. Clara Hospital and University Hospital Basel, Basel, Switzerland
| | - Charlotte K. Y. Ng
- Department for BioMedical Research, University of Bern, Bern, Switzerland
- Swiss Institute of Bioinformatics, Lausanne, Switzerland
- Bern Center for Precision Medicine, Bern, Switzerland
| | - Salvatore Piscuoglio
- Visceral Surgery and Precision Medicine Research Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
- Institute of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
- *Correspondence: Salvatore Piscuoglio
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He Q, Cui L, Yuan X, Wang M, Hui L. Cell identity conversion in liver regeneration after injury. Curr Opin Genet Dev 2022; 75:101921. [PMID: 35644120 DOI: 10.1016/j.gde.2022.101921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/21/2022] [Accepted: 04/24/2022] [Indexed: 11/03/2022]
Abstract
Cell identity conversion in liver injury is the process that mature cells, specifically hepatocytes or cholangiocytes, convert into cells with other identities, which is found to play a pivotal role in liver regeneration. A better characterization of cell identity conversion will not only facilitate the understanding of liver tissue repair but also the development of novel regenerative therapies. In this review, we discuss the latest advances in cell identity conversion during liver regeneration, including conversions between hepatocytes and cholangiocytes and hepatocyte reprogramming to liver progenitor-like cells. To develop a unified description of cellular states in injury-related liver regeneration, we further propose the quantitative approach to explore cell identity conversion based on the Waddington's landscape.
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Affiliation(s)
- Qiang He
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Lei Cui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Xiang Yuan
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Mengyao Wang
- School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Lijian Hui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China; School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China.
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Russell JO, Camargo FD. Hippo signalling in the liver: role in development, regeneration and disease. Nat Rev Gastroenterol Hepatol 2022; 19:297-312. [PMID: 35064256 PMCID: PMC9199961 DOI: 10.1038/s41575-021-00571-w] [Citation(s) in RCA: 79] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/14/2021] [Indexed: 02/07/2023]
Abstract
The Hippo signalling pathway has emerged as a major player in many aspects of liver biology, such as development, cell fate determination, homeostatic function and regeneration from injury. The regulation of Hippo signalling is complex, with activation of the pathway by diverse upstream inputs including signals from cellular adhesion, mechanotransduction and crosstalk with other signalling pathways. Pathological activation of the downstream transcriptional co-activators yes-associated protein 1 (YAP) and transcriptional co-activator with PDZ-binding motif (TAZ, encoded by WWTR1), which are negatively regulated by Hippo signalling, has been implicated in multiple aspects of chronic liver disease, such as the development of liver fibrosis and tumorigenesis. Thus, development of pharmacological inhibitors of YAP-TAZ signalling has been an area of great interest. In this Review, we summarize the diverse roles of Hippo signalling in liver biology and highlight areas where outstanding questions remain to be investigated. Greater understanding of the mechanisms of Hippo signalling in liver function should help facilitate the development of novel therapies for the treatment of liver disease.
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Affiliation(s)
- Jacquelyn O Russell
- Stem Cell Program, Boston Children's Hospital, Boston, MA, USA
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA
| | - Fernando D Camargo
- Stem Cell Program, Boston Children's Hospital, Boston, MA, USA.
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA.
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Guo C, Zhang Y, Tan R, Tang Z, Lam CM, Ye X, Wang Z, Li X. Arid1a regulates bladder urothelium formation and maintenance. Dev Biol 2022; 485:61-69. [PMID: 35283102 PMCID: PMC10276770 DOI: 10.1016/j.ydbio.2022.02.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 11/22/2021] [Accepted: 02/19/2022] [Indexed: 12/12/2022]
Abstract
Epigenetic regulation of gene expression plays a central role in bladder urothelium development and maintenance. ATPase-dependent chromatin remodeling is a major epigenetic regulatory mechanism, but its role in the bladder has not been explored. Here, we show the functions of Arid1a, the largest subunit of the SWI/SNF or BAF chromatin remodeling ATPase complex, in embryonic and adult bladder urothelium. Knockout of Arid1a in urothelial progenitor cells significantly increases cell proliferation during bladder development. Deletion of Arid1a causes ectopic cell proliferation in the terminally differentiated superficial cells in adult mice. Consistently, gene-set enrichment analysis of differentially expressed genes demonstrates that the cell cycle-related pathways are significantly enriched in Arid1a knockouts. Gene-set of the polycomb repression complex 2 (PRC2) pathway is also enriched, suggesting that Arid1a antagonizes the PRC2-dependent epigenetic gene silencing program in the bladder. During acute cyclophosphamide-induced bladder injury, Arid1a knockouts develop hyperproliferative and hyperinflammatory phenotypes and exhibit a severe loss of urothelial cells. A Hallmark gene-set of the oxidative phosphorylation pathway is significantly reduced in Aria1a mutants before injury and is unexpectedly enriched during injury response. Together, this study uncovers functions of Arid1a in both bladder progenitor cells and the mature urothelium, suggesting its critical roles in urothelial development and regeneration.
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Affiliation(s)
- Chunming Guo
- Samuel Oschin Comprehensive Cancer Institute, Department of Medicine, Department of Biomedical Sciences, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Davis 3089, Los Angeles, CA, 90048, USA
| | - Yingsheng Zhang
- Samuel Oschin Comprehensive Cancer Institute, Department of Medicine, Department of Biomedical Sciences, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Davis 3089, Los Angeles, CA, 90048, USA
| | - Ruirong Tan
- Samuel Oschin Comprehensive Cancer Institute, Department of Medicine, Department of Biomedical Sciences, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Davis 3089, Los Angeles, CA, 90048, USA
| | - Zonghao Tang
- Samuel Oschin Comprehensive Cancer Institute, Department of Medicine, Department of Biomedical Sciences, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Davis 3089, Los Angeles, CA, 90048, USA
| | - Christa M Lam
- Samuel Oschin Comprehensive Cancer Institute, Department of Medicine, Department of Biomedical Sciences, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Davis 3089, Los Angeles, CA, 90048, USA
| | - Xing Ye
- Samuel Oschin Comprehensive Cancer Institute, Department of Medicine, Department of Biomedical Sciences, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Davis 3089, Los Angeles, CA, 90048, USA
| | - Zhong Wang
- Department of Cardiac Surgery Cardiovascular Research Center, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Xue Li
- Samuel Oschin Comprehensive Cancer Institute, Department of Medicine, Department of Biomedical Sciences, Cedars-Sinai Medical Center, 8700 Beverly Blvd, Davis 3089, Los Angeles, CA, 90048, USA.
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Lin Y, Zhang F, Zhang L, Chen L, Zheng S. Characteristics of SOX9-positive progenitor-like cells during cholestatic liver regeneration in biliary atresia. Stem Cell Res Ther 2022; 13:114. [PMID: 35313986 PMCID: PMC8935712 DOI: 10.1186/s13287-022-02795-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 03/02/2022] [Indexed: 11/16/2022] Open
Abstract
Background The progression of Biliary Atresia (BA) is associated with the number of reactive ductular cells (RDCs) whose heterogeneity in origin and evolution in humans remains unknown. SOX9-positive liver progenitor-like cells (LPLCs) have been shown to participate in RDCs and new hepatocyte formation during cholestatic liver regeneration in an animal model, which implies the possibility that hepatocyte-reprogrammed LPLCs could be a source of RDCs in BA. The present study aimed to elucidate the characteristics of SOX9-positive LPLCs in BA for exploring new possible therapeutic targets by manipulating the bi-differentiation process of LPLCs to prevent disease progression. Methods Twenty-eight patients, including 24 patients with BA and 4 patients with Congenital Choledochal Cyst as the control group, were retrospectively recruited. Liver biopsy samples were classified histologically using a 4-point scale based on fibrosis severity. LPLCs were detected by SOX9 and HNF4A double positive staining. Single immunohistochemistry, double immunohistochemistry, and multiple immunofluorescence staining were used to determine the different cell types and characteristics of LPLCs. Results The prognostic predictors of BA, namely total bile acid (TBA), RDCs, and fibrosis, were correlated to the emergence of LPLCs. SOX9 and HNF4A double-positive LPLCs co-stained rarely with relevant markers of portal hepatic progenitor cells (portal-HPCs), including CK19, CK7, EPCAM, PROM1 (CD133), TROP2, and AFP. Under cholestasis conditions, LPLCs acquired superior proliferation and anti-senescence ability among hepatocytes. Moreover, LPLCs arranged as a pseudo-rosette structure appeared from the periportal parenchyma to the portal region, which implied the differentiation from hepatocyte-reprogrammed LPLCs to RDCs with the progression of cholestasis. Conclusions LPLCs are associated with disease progression and prognostic factors of BA. The bipotent characteristics of LPLCs are different from those of portal-HPCs. As cholestasis progresses, LPLCs appear to gain superior proliferation and anti-senescence ability and continually differentiate to RDCs. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-02795-2.
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Affiliation(s)
- Yuting Lin
- Department of Pediatric Surgery, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai Key Laboratory of Birth Defect, and Key Laboratory of Neonatal Disease, Ministry of Health, 399 Wan Yuan Road, Shanghai, 201102, China
| | - Fang Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Ludi Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Lian Chen
- Department of Pathology, Children's Hospital of Fudan University, National Children's Medical Center, 399 Wan Yuan Road, Shanghai, 201102, China
| | - Shan Zheng
- Department of Pediatric Surgery, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai Key Laboratory of Birth Defect, and Key Laboratory of Neonatal Disease, Ministry of Health, 399 Wan Yuan Road, Shanghai, 201102, China.
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Liu Y, Zhuo S, Zhou Y, Ma L, Sun Z, Wu X, Wang XW, Gao B, Yang Y. Yap-Sox9 signaling determines hepatocyte plasticity and lineage-specific hepatocarcinogenesis. J Hepatol 2022; 76:652-664. [PMID: 34793870 PMCID: PMC8858854 DOI: 10.1016/j.jhep.2021.11.010] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 10/14/2021] [Accepted: 11/04/2021] [Indexed: 12/29/2022]
Abstract
BACKGROUND & AIMS Primary liver tumors comprise distinct subtypes. A subset of intrahepatic cholangiocarcinoma (iCCA) can arise from cell fate reprogramming of mature hepatocytes in mouse models. However, the underpinning of cell fate plasticity during hepatocarcinogenesis is still poorly understood, hampering therapeutic development for primary liver cancer. As YAP activation induces liver tumor formation and cell fate plasticity, we investigated the role of Sox9, a transcription factor downstream of Yap activation that is expressed in biliary epithelial cells (BECs), in Yap-induced cell fate plasticity during hepatocarcinogenesis. METHODS To evaluate the function of Sox9 in YAP-induced hepatocarcinogenesis in vivo, we used several genetic mouse models of inducible hepatocyte-specific YAP activation with simultaneous Sox9 removal. Cell fate reprogramming was determined by lineage tracing and immunohistochemistry. The molecular mechanism underlying Yap and Sox9 function in hepatocyte plasticity was investigated by transcription and transcriptomic analyses of mouse and human liver tumors. RESULTS Sox9, a marker of liver progenitor cells (LPCs) and BECs, is differentially required in YAP-induced stepwise hepatocyte programming. While Sox9 has a limited role in hepatocyte dedifferentiation to LPCs, it is required for BEC differentiation from LPCs. YAP activation in Sox9-deficient hepatocytes resulted in more aggressive HCC with enhanced Yap activity at the expense of iCCA-like tumors. Furthermore, we showed that 20% of primary human liver tumors were associated with a YAP activation signature, and tumor plasticity is highly correlated with YAP activation and SOX9 expression. CONCLUSION Our data demonstrated that Yap-Sox9 signaling determines hepatocyte plasticity and tumor heterogeneity in hepatocarcinogenesis in both mouse and human liver tumors. We identified Sox9 as a critical transcription factor required for Yap-induced hepatocyte cell fate reprogramming during hepatocarcinogenesis. LAY SUMMARY Sox9, a marker of liver progenitor cells and bile duct lining cells, is a downstream target of YAP protein activation. Herein, we found that YAP activation in hepatocytes leads to a transition from mature hepatocytes to liver progenitor cells and then to bile duct lining cells. Sox9 is required in the second step during mouse hepatocarcinogenesis. We also found that human YAP and SOX9 may play similar roles in liver cancers.
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Affiliation(s)
- Yuchen Liu
- Department of Developmental Biology, Harvard School of Dental Medicine, 188 Longwood Ave. Boston, MA 02115, USA
| | - Shu Zhuo
- Department of Developmental Biology, Harvard School of Dental Medicine, 188 Longwood Ave. Boston, MA 02115, USA
| | - Yaxing Zhou
- Department of Developmental Biology, Harvard School of Dental Medicine, 188 Longwood Ave. Boston, MA 02115, USA
| | - Lichun Ma
- Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
| | - Zhonghe Sun
- Cancer Research Technology Program, Frederick National Laboratory for Cancer, Leidos Biomedical Research, Inc., Frederick, MD, 21702, USA
| | - Xiaolin Wu
- Cancer Research Technology Program, Frederick National Laboratory for Cancer, Leidos Biomedical Research, Inc., Frederick, MD, 21702, USA
| | - Xin Wei Wang
- Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA
| | - Bin Gao
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism; National Institutes of Health, 5625 Fishers Lane, Room 2S-33, Bethesda, MD 20892, USA
| | - Yingzi Yang
- Department of Developmental Biology, Harvard School of Dental Medicine, 188 Longwood Ave. Boston, MA 02115, USA; Harvard Stem Cell Institute, Dana-Farber/Harvard Cancer Center, 188 Longwood Ave. Boston, MA 02115, USA; Program in Gastrointestinal Malignancies, Dana-Farber/Harvard Cancer Center, 188 Longwood Ave. Boston, MA 02115, USA.
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Paul A, Annunziato S, Lu B, Sun T, Evrova O, Planas-Paz L, Orsini V, Terracciano LM, Charlat O, Loureiro ZY, Ji L, Zamponi R, Sigoillot F, Lei H, Lindeman A, Russ C, Reece-Hoyes JS, Nicholson TB, Tchorz JS, Cong F. Cell adhesion molecule KIRREL1 is a feedback regulator of Hippo signaling recruiting SAV1 to cell-cell contact sites. Nat Commun 2022; 13:930. [PMID: 35177623 PMCID: PMC8854406 DOI: 10.1038/s41467-022-28567-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 01/31/2022] [Indexed: 12/11/2022] Open
Abstract
The Hippo/YAP pathway controls cell proliferation through sensing physical and spatial organization of cells. How cell-cell contact is sensed by Hippo signaling is poorly understood. Here, we identified the cell adhesion molecule KIRREL1 as an upstream positive regulator of the mammalian Hippo pathway. KIRREL1 physically interacts with SAV1 and recruits SAV1 to cell-cell contact sites. Consistent with the hypothesis that KIRREL1-mediated cell adhesion suppresses YAP activity, knockout of KIRREL1 increases YAP activity in neighboring cells. Analyzing pan-cancer CRISPR proliferation screen data reveals KIRREL1 as the top plasma membrane protein showing strong correlation with known Hippo regulators, highlighting a critical role of KIRREL1 in regulating Hippo signaling and cell proliferation. During liver regeneration in mice, KIRREL1 is upregulated, and its genetic ablation enhances hepatic YAP activity, hepatocyte reprogramming and biliary epithelial cell proliferation. Our data suggest that KIRREL1 functions as a feedback regulator of the mammalian Hippo pathway through sensing cell-cell interaction and recruiting SAV1 to cell-cell contact sites.
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Affiliation(s)
- Atanu Paul
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Stefano Annunziato
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Bo Lu
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Tianliang Sun
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Olivera Evrova
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Lara Planas-Paz
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Vanessa Orsini
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Luigi M Terracciano
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (Milan), Italy.,IRCCS Humanitas Research Hospital, Rozzano (Milan), Italy
| | - Olga Charlat
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Zinger Yang Loureiro
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Lei Ji
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Raffaella Zamponi
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Frederic Sigoillot
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Hong Lei
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Alicia Lindeman
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Carsten Russ
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - John S Reece-Hoyes
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Thomas B Nicholson
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA
| | - Jan S Tchorz
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Feng Cong
- Novartis Institutes for BioMedical Research, Novartis Pharma AG, Cambridge, MA, USA.
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Qing J, Ren Y, Zhang Y, Yan M, Zhang H, Wu D, Ma Y, Chen Y, Huang X, Wu Q, Mazhar M, Wang L, Liu J, Ding BS, Cao Z. Dopamine receptor D2 antagonism normalizes profibrotic macrophage-endothelial crosstalk in non-alcoholic steatohepatitis. J Hepatol 2022; 76:394-406. [PMID: 34648896 DOI: 10.1016/j.jhep.2021.09.032] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 09/16/2021] [Accepted: 09/19/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND & AIMS Currently there is no effective treatment for liver fibrosis, which is one of the main histological determinants of non-alcoholic steatohepatitis (NASH). While Hippo/YAP (Yes-associated protein) signaling is essential for liver regeneration, its aberrant activation frequently leads to fibrosis and tumorigenesis. Unravelling "context-specific" contributions of YAP in liver repair might help selectively bypass fibrosis and preserve the pro-regenerative YAP function in hepatic diseases. METHODS We used murine liver fibrosis and minipig NASH models, and liver biopsies from patients with cirrhosis. Single-cell RNA-sequencing (scRNA-Seq) was performed, and a G-protein-coupled receptor (GPCR) ligand screening system was used to identify cell-selective YAP inhibitors. RESULTS YAP levels in macrophages are increased in the livers of humans and mice with liver fibrosis. The increase in type I interferon and attenuation of hepatic fibrosis observed in mice specifically lacking Yap1 in myeloid cells provided further evidence for the fibrogenic role of macrophage YAP. ScRNA-Seq further showed that defective YAP pathway signaling in macrophages diminished a fibrogenic vascular endothelial cell subset that exhibited profibrotic molecular signatures such as angiocrine CTGF and VCAM1 expression. To specifically target fibrogenic YAP in macrophages, we utilized a GPCR ligand screening system and identified a dopamine receptor D2 (DRD2) antagonist that selectively blocked YAP in macrophages but not hepatocytes. Genetic and pharmacological targeting of macrophage DRD2 attenuated liver fibrosis. In a large animal (minipig) NASH model recapitulating human pathology, the DRD2 antagonist blocked fibrosis and restored hepatic architecture. CONCLUSIONS DRD2 antagonism selectively targets YAP-dependent fibrogenic crosstalk between macrophages and CTGF+VCAM1+ vascular niche, promoting liver regeneration over fibrosis in both rodent and large animal models. LAY SUMMARY Fibrosis in the liver is one of the main histological determinants of non-alcoholic steatohepatitis (NASH), a disease paralleling a worldwide surge in metabolic syndromes. Our study demonstrates that a macrophage-specific deficiency in Yes-associated protein (YAP) attenuates liver fibrosis. Dopamine receptor D2 (DRD2) antagonism selectively blocks YAP in macrophages and thwarts liver fibrosis in both rodent and large animal models, and thus holds potential for the treatment of NASH.
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Affiliation(s)
- Jie Qing
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, 610064, China; National Traditional Chinese Medicine Clinical Research Base, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China; Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Yafeng Ren
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, 610064, China
| | - Yuwei Zhang
- Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Mengli Yan
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, 610064, China
| | - Hua Zhang
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, 610064, China
| | - Dongbo Wu
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, 610064, China
| | - Yongyuan Ma
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, 610064, China
| | - Yutian Chen
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, 610064, China
| | - Xiaojuan Huang
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, 610064, China
| | - Qinkai Wu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, 610064, China
| | - Maryam Mazhar
- National Traditional Chinese Medicine Clinical Research Base, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Li Wang
- Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Jian Liu
- Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Bi-Sen Ding
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, 610064, China; Fibrosis Research Center, Icahn School of Medicine at Mount Sinai, New York, 10128, USA.
| | - Zhongwei Cao
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, 610064, China.
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Abstract
Yes-associated protein 1 (YAP1) is a transcriptional coactivator that activates transcriptional enhanced associate domain transcription factors upon inactivation of the Hippo signaling pathway, to regulate biological processes like proliferation, survival, and differentiation. YAP1 is most prominently expressed in biliary epithelial cells (BECs) in normal adult livers and during development. In the current review, we will discuss the multiple roles of YAP1 in the development and morphogenesis of bile ducts inside and outside the liver, as well as in orchestrating the cholangiocyte repair response to biliary injury. We will review how biliary repair can occur through the process of hepatocyte-to-BEC transdifferentiation and how YAP1 is pertinent to this process. We will also discuss the liver's capacity for metabolic reprogramming as an adaptive mechanism in extreme cholestasis, such as when intrahepatic bile ducts are absent due to YAP1 loss from hepatic progenitors. Finally, we will discuss the roles of YAP1 in the context of pediatric pathologies afflicting bile ducts, such as Alagille syndrome and biliary atresia. In conclusion, we will comprehensively discuss the spatiotemporal roles of YAP1 in biliary development and repair after biliary injury while describing key interactions with other well-known developmental pathways.
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Affiliation(s)
- Laura Molina
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine
| | - Kari Nejak-Bowen
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine,Pittsburgh Liver Research Center, University of Pittsburgh and University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Satdarshan P. Monga
- Division of Experimental Pathology, Department of Pathology, University of Pittsburgh School of Medicine,Pittsburgh Liver Research Center, University of Pittsburgh and University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania,Division of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh and UPMC, Pittsburgh, Pennsylvania
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49
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Riley SE, Feng Y, Hansen CG. Hippo-Yap/Taz signalling in zebrafish regeneration. NPJ Regen Med 2022; 7:9. [PMID: 35087046 PMCID: PMC8795407 DOI: 10.1038/s41536-022-00209-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 12/14/2021] [Indexed: 12/29/2022] Open
Abstract
The extent of tissue regeneration varies widely between species. Mammals have a limited regenerative capacity whilst lower vertebrates such as the zebrafish (Danio rerio), a freshwater teleost, can robustly regenerate a range of tissues, including the spinal cord, heart, and fin. The molecular and cellular basis of this altered response is one of intense investigation. In this review, we summarise the current understanding of the association between zebrafish regeneration and Hippo pathway function, a phosphorylation cascade that regulates cell proliferation, mechanotransduction, stem cell fate, and tumorigenesis, amongst others. We also compare this function to Hippo pathway activity in the regenerative response of other species. We find that the Hippo pathway effectors Yap/Taz facilitate zebrafish regeneration and that this appears to be latent in mammals, suggesting that therapeutically promoting precise and temporal YAP/TAZ signalling in humans may enhance regeneration and hence reduce morbidity.
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Affiliation(s)
- Susanna E Riley
- University of Edinburgh Centre for Inflammation Research, Institute for Regeneration and Repair, Queen's Medical Research Institute, Edinburgh bioQuarter, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK
| | - Yi Feng
- University of Edinburgh Centre for Inflammation Research, Institute for Regeneration and Repair, Queen's Medical Research Institute, Edinburgh bioQuarter, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK
| | - Carsten Gram Hansen
- University of Edinburgh Centre for Inflammation Research, Institute for Regeneration and Repair, Queen's Medical Research Institute, Edinburgh bioQuarter, 47 Little France Crescent, Edinburgh, EH16 4TJ, UK.
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50
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Pu W, Zhou B. Hepatocyte generation in liver homeostasis, repair, and regeneration. CELL REGENERATION (LONDON, ENGLAND) 2022; 11:2. [PMID: 34989894 PMCID: PMC8739411 DOI: 10.1186/s13619-021-00101-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Accepted: 10/22/2021] [Indexed: 12/29/2022]
Abstract
The liver has remarkable capability to regenerate, employing mechanism to ensure the stable liver-to-bodyweight ratio for body homeostasis. The source of this regenerative capacity has received great attention over the past decade yet still remained controversial currently. Deciphering the sources for hepatocytes provides the basis for understanding tissue regeneration and repair, and also illustrates new potential therapeutic targets for treating liver diseases. In this review, we describe recent advances in genetic lineage tracing studies over liver stem cells, hepatocyte proliferation, and cell lineage conversions or cellular reprogramming. This review will also evaluate the technical strengths and limitations of methods used for studies on hepatocyte generation and cell fate plasticity in liver homeostasis, repair and regeneration.
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Affiliation(s)
- Wenjuan Pu
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Bin Zhou
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China.
- School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China.
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
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