101
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Lymphangiocrine signals are required for proper intestinal repair after cytotoxic injury. Cell Stem Cell 2022; 29:1262-1272.e5. [PMID: 35931034 PMCID: PMC9387209 DOI: 10.1016/j.stem.2022.07.007] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 06/26/2022] [Accepted: 07/15/2022] [Indexed: 12/20/2022]
Abstract
The intestinal epithelium undergoes continuous renewal and has an exceptional capacity to regenerate after injury. Maintenance and proliferation of intestinal stem cells (ISCs) are regulated by their surrounding niche, largely through Wnt signaling. However, it remains unclear which niche cells produce signals during different injury states, and the role of endothelial cells (ECs) as a component of the ISC niche during homeostasis and after injury has been underappreciated. Here, we show that lymphatic endothelial cells (LECs) reside in proximity to crypt epithelial cells and secrete molecules that support epithelial renewal and repair. LECs are an essential source of Wnt signaling in the small intestine, as loss of LEC-derived Rspo3 leads to a lower number of stem and progenitor cells and hinders recovery after cytotoxic injury. Together, our findings identify LECs as an essential niche component for optimal intestinal recovery after cytotoxic injury.
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102
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Induced Endothelial Cell-Integrated Liver Assembloids Promote Hepatic Maturation and Therapeutic Effect on Cholestatic Liver Fibrosis. Cells 2022; 11:cells11142242. [PMID: 35883684 PMCID: PMC9317515 DOI: 10.3390/cells11142242] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 07/11/2022] [Accepted: 07/14/2022] [Indexed: 12/02/2022] Open
Abstract
The transplantation of pluripotent stem cell (PSC)-derived liver organoids has been studied to solve the current donor shortage. However, the differentiation of unintended cell populations, difficulty in generating multi-lineage organoids, and tumorigenicity of PSC-derived organoids are challenges. However, direct conversion technology has allowed for the generation lineage-restricted induced stem cells from somatic cells bypassing the pluripotent state, thereby eliminating tumorigenic risks. Here, liver assembloids (iHEAs) were generated by integrating induced endothelial cells (iECs) into the liver organoids (iHLOs) generated with induced hepatic stem cells (iHepSCs). Liver assembloids showed enhanced functional maturity compared to iHLOs in vitro and improved therapeutic effects on cholestatic liver fibrosis animals in vivo. Mechanistically, FN1 expressed from iECs led to the upregulation of Itgα5/β1 and Hnf4α in iHEAs and were correlated to the decreased expression of genes related to hepatic stellate cell activation such as Lox and Spp1 in the cholestatic liver fibrosis animals. In conclusion, our study demonstrates the possibility of generating transplantable iHEAs with directly converted cells, and our results evidence that integrating iECs allows iHEAs to have enhanced hepatic maturation compared to iHLOs.
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103
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Abstract
Liver regeneration is a well-orchestrated process that is typically studied in animal models. Although previous animal studies have offered many insights into liver regeneration, human biology is less well understood. To this end, we developed a three-dimensional (3D) platform called structurally vascularized hepatic ensembles for analyzing regeneration (SHEAR) to model multiple aspects of human liver regeneration. SHEAR enables control over hemodynamic alterations to mimic those that occur during liver injury and regeneration and supports the administration of biochemical inputs such as cytokines and paracrine interactions with endothelial cells. We found that exposing the endothelium-lined channel to fluid flow led to increased secretion of regeneration-associated factors. Stimulation with relevant cytokines not only amplified the secretory response, but also induced cell-cycle entry of primary human hepatocytes (PHHs) embedded within the device. Further, we identified endothelial-derived mediators that are sufficient to initiate proliferation of PHHs in this context. Collectively, the data presented here underscore the importance of multicellular models that can recapitulate high-level tissue functions and demonstrate that the SHEAR device can be used to discover and validate conditions that promote human liver regeneration.
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104
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Vascular Remodeling Is a Crucial Event in the Early Phase of Hepatocarcinogenesis in Rodent Models for Liver Tumorigenesis. Cells 2022; 11:cells11142129. [PMID: 35883572 PMCID: PMC9320355 DOI: 10.3390/cells11142129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/26/2022] [Accepted: 07/01/2022] [Indexed: 02/05/2023] Open
Abstract
Simple Summary Hepatocellular carcinoma (HCC) is a highly vascularized tumor and remodeling of the tumor vasculature is one of the hallmarks of tumor progression. Mouse models are elegant tools to study the onset and progression of liver tumors. However, only few data exist on the vasculature and vascular remodeling processes especially in the early phase of hepatocarcinogenesis. The aim of this study was therefore to perform a comprehensive characterization and comparison of the vasculature in mouse models used for hepatocarcinogenesis studies. For this purpose, we characterized the preneoplastic foci of cellular alteration (FCA) and hepatocellular carcinoma (HCC) by using tissue-based techniques and computer-assisted analysis to better understand if and how vascular remodeling appears in rodent models for liver tumorigenesis. Our findings demonstrated crucial differences in the number and size of the vessels, degree of maturation and intratumoral localization of the vasculature in FCA and HCC, clearly indicating that vascular remodeling is an important step in the early phase of liver tumorigenesis of rodent models. Abstract The investigation of hepatocarcinogenesis is a major field of interest in oncology research and rodent models are commonly used to unravel the pathophysiology of onset and progression of hepatocellular carcinoma. HCC is a highly vascularized tumor and vascular remodeling is one of the hallmarks of tumor progression. To date, only a few detailed data exist about the vasculature and vascular remodeling in rodent models used for hepatocarcinogenesis. In this study, the vasculature of HCC and the preneoplastic foci of alteration (FCA) of different mouse models with varying genetic backgrounds were comprehensively characterized by using immunohistochemistry (CD31, Collagen IV, αSMA, Desmin and LYVE1) and RNA in situ hybridization (VEGF-A). Computational image analysis was performed to evaluate selected parameters including microvessel density, pericyte coverage, vessel size, intratumoral vessel distribution and architecture using the Aperio ImageScope and Definiens software programs. HCC presented with a significantly lower number of vessels, but larger vessel size and increased coverage, leading to a higher degree of maturation, whereas FCA lesions presented with a higher microvessel density and a higher amount of smaller but more immature vessels. Our results clearly demonstrate that vascular remodeling is present and crucial in early stages of experimental hepatocarcinogenesis. In addition, our detailed characterization provides a strong basis for further angiogenesis studies in these experimental models.
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105
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Urbanczyk M, Zbinden A, Schenke-Layland K. Organ-specific endothelial cell heterogenicity and its impact on regenerative medicine and biomedical engineering applications. Adv Drug Deliv Rev 2022; 186:114323. [PMID: 35568103 DOI: 10.1016/j.addr.2022.114323] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 04/23/2022] [Accepted: 05/05/2022] [Indexed: 02/08/2023]
Abstract
Endothelial cells (ECs) are a key cellular component of the vascular system as they form the inner lining of the blood vessels. Recent findings highlight that ECs express extensive phenotypic heterogenicity when following the vascular tree from the major vasculature down to the organ capillaries. However, in vitro models, used for drug development and testing, or to study the role of ECs in health and disease, rarely acknowledge this EC heterogenicity. In this review, we highlight the main differences between different EC types, briefly summarize their different characteristics and focus on the use of ECs in in vitro models. We introduce different approaches on how ECs can be utilized in co-culture test systems in the field of brain, pancreas, and liver research to study the role of the endothelium in health and disease. Finally, we discuss potential improvements to current state-of-the-art in vitro models and future directions.
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106
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Pharmacological manipulation of Ezh2 with salvianolic acid B results in tumor vascular normalization and synergizes with cisplatin and T cell-mediated immunotherapy. Pharmacol Res 2022; 182:106333. [PMID: 35779815 DOI: 10.1016/j.phrs.2022.106333] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/22/2022] [Accepted: 06/27/2022] [Indexed: 12/13/2022]
Abstract
Tumor vasculature is characterized by aberrant structure and function, resulting in immune suppressive profiles of tumor microenvironment (TME) through limiting immune cell infiltration into tumors. The defective vascular perfusion in tumors also impairs the delivery and efficacy of chemotherapeutic agents. Targeting abnormal tumor blood vessels has emerged as an effective therapeutic strategy to improve the outcome of chemotherapy and immunotherapy. In this study, we demonstrated that Salvianolic acid B (SalB), one of the major ingredients of Salvia miltiorriza elicited vascular normalization in the mouse models of breast cancer, contributing to improved delivery and response of chemotherapeutic agent cisplatin as well as attenuated metastasis. Moreover, SalB in combination with anti-PD-L1 blockade retarded tumor growth, which was mainly due to elevated infiltration of immune effector cells and boosted delivery of anti-PD-L1 into tumors. Mechanistically, tumor cell enhancer of zeste homolog 2 (Ezh2)-driven cytokines disrupted the endothelial junctions with diminished VE-cadherin expression, which could be rescued in the presence of SalB. The restored vascular integrity by SalB via modulating the interactions between tumor cells and endothelial cells (ECs) offered a principal route for achieving vascular normalization. Taken together, our data elucidated that SalB enhanced sensitivity of tumor cells to chemotherapy and immunotherapy through triggering tumor vascular normalization, providing a potential therapeutic strategy of combining SalB and chemotherapy or immunotherapy for patients with breast cancer.
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107
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Guo L, Zhu Z, Gao C, Chen K, Lu S, Yan H, Liu W, Wang M, Ding Y, Huang L, Wang X. Development of Biomimetic Hepatic Lobule-Like Constructs on Silk-Collagen Composite Scaffolds for Liver Tissue Engineering. Front Bioeng Biotechnol 2022; 10:940634. [PMID: 35814001 PMCID: PMC9260023 DOI: 10.3389/fbioe.2022.940634] [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: 05/10/2022] [Accepted: 05/31/2022] [Indexed: 11/13/2022] Open
Abstract
Constructing an engineered hepatic lobule-mimetic model is challenging owing to complicated lobular architecture and crucial hepatic functionality. Our previous study has demonstrated the feasibility of using silk fibroin (SF) scaffolds as functional templates for engineering hepatic lobule-like constructs. But the unsatisfactory chemical and physical performances of the SF-only scaffold and the inherent defect in the functional activity of the carcinoma-derived seeding cells remain to be addressed to satisfy the downstream application demand. In this study, SF-collagen I (SFC) composite scaffolds with improved physical and chemical properties were fabricated, and their utilization for bioengineering a more hepatic lobule-like construct was explored using the immortalized human hepatocyte-derived liver progenitor-like cells (iHepLPCs) and endothelial cells incorporated in the dynamic culture system. The SFC scaffolds prepared through the directional lyophilization process showed radially aligned porous structures with increased swelling ratio and porosity, ameliorative mechanical stiffness that resembled the normal liver matrix more closely, and improved biocompatibility. The iHepLPCs displayed a hepatic plate-like distribution and differentiated into matured hepatocytes with improved hepatic function in vitro and in vivo. Moreover, hepatocyte–endothelial cell interphase arrangement was generated in the co-culture compartment with improved polarity, bile capillary formation, and enhanced liver functions compared with the monocultures. Thus, a more biomimetic hepatic lobule-like model was established and could provide a valuable and robust platform for various applications, including bioartificial liver and drug screening.
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Affiliation(s)
- Lina Guo
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Ziqing Zhu
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, China
| | - Chuanzhou Gao
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Kaiwen Chen
- School of Bioengineering, State Key Laboratory of Fine Chemistry, Dalian University of Technology, Dalian, China
| | - Shenzhou Lu
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, China
| | - Hexin Yan
- Department of Anesthesiology and Critical Care Medicine, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Peri-operative Organ Support and Function Preservation, Shanghai, China
| | - Wenming Liu
- Department of Anesthesiology and Critical Care Medicine, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Engineering Research Center of Peri-operative Organ Support and Function Preservation, Shanghai, China
| | - Mingqi Wang
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Yanfang Ding
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Lin Huang
- College of Basic Medical Science, Dalian Medical University, Dalian, China
- *Correspondence: Lin Huang, ; Xiuli Wang,
| | - Xiuli Wang
- College of Basic Medical Science, Dalian Medical University, Dalian, China
- General Surgery Center, Department of Hepatobiliary Surgery II, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Lin Huang, ; Xiuli Wang,
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108
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Satilmis B, Cicek GS, Cicek E, Akbulut S, Sahin TT, Yilmaz S. Adipose-derived stem cells in the treatment of hepatobiliary diseases and sepsis. World J Clin Cases 2022; 10:4348-4356. [PMID: 35663078 PMCID: PMC9125284 DOI: 10.12998/wjcc.v10.i14.4348] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 01/13/2022] [Accepted: 03/26/2022] [Indexed: 02/06/2023] Open
Abstract
Determination of the mesenchymal stem cells is one of the greatest and most exciting achievements that tissue engineering and regenerative medicine have achieved. Adipose-derived mesenchymal stem cells (AD-MSC) are easily isolated and cultured for a long time before losing their stem cell characteristics, which are self-renewal and pluripotency. AD-MSC are mesenchymal stem cells that have pluripotent lineage characteristics. They are easily accessible, and the fraction of stem cells in the adipose tissue lysates is highest among all other sources of mesenchymal stem cells. It is also HLA-DR negative and can be transplanted allogenically without the need for immunosuppression. These advantages have popularized its use in many fields including plastic reconstructive surgery. However, in the field of hepatology and liver transplantation, the progress is slower. AD-MSC have the potential to modulate inflammation, ameliorate ischemia-reperfusion injury, and support liver and biliary tract regeneration. These are very important for the treatment of various hepatobiliary diseases. Furthermore, the anti-inflammatory potential of these cells has paramount importance in the treatment of sepsis. We need alternative therapeutic approaches to treat end-stage liver failure. AD-MSC can provide a means of therapy to bridge to definitive therapeutic alternatives such as liver transplantation. Here we propose to review theoretic applications of AD-MSC in the treatment of hepatobiliary diseases and sepsis.
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Affiliation(s)
- Basri Satilmis
- Hepatology Research Laboratory, Liver Transplant Institute, Inonu University, Malatya 44000, Battalgazi, Turkey
- Department of Biochemistry, Faculty of Pharmacy, Inonu University, Malatya 44000, Battalgazi, Turkey
| | - Gizem Selen Cicek
- Department of Anesthesiology and Reanimation, Malatya Training and Research Hospital, Malatya 44000, Yesilyurt, Turkey
| | - Egemen Cicek
- Liver Transplant Institute, Inonu University, Malatya 44000, Battalgazi, Turkey
| | - Sami Akbulut
- Liver Transplant Institute, Inonu University, Malatya 44000, Battalgazi, Turkey
| | - Tevfik Tolga Sahin
- Hepatology Research Laboratory, Liver Transplant Institute, Inonu University, Malatya 44000, Battalgazi, Turkey
- Liver Transplant Institute, Inonu University, Malatya 44000, Battalgazi, Turkey
| | - Sezai Yilmaz
- Hepatology Research Laboratory, Liver Transplant Institute, Inonu University, Malatya 44000, Battalgazi, Turkey
- Liver Transplant Institute, Inonu University, Malatya 44000, Battalgazi, Turkey
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109
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Du Y, Zhang W, Qiu H, Xiao C, Shi J, Reid LM, He Z. Mouse Models of Liver Parenchyma Injuries and Regeneration. Front Cell Dev Biol 2022; 10:903740. [PMID: 35721478 PMCID: PMC9198899 DOI: 10.3389/fcell.2022.903740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 04/11/2022] [Indexed: 12/11/2022] Open
Abstract
Mice have genetic and physiological similarities with humans and a well-characterized genetic background that is easy to manipulate. Murine models have become the most favored, robust mammalian systems for experimental analyses of biological processes and disease conditions due to their low cost, rapid reproduction, a wealth of mouse strains with defined genetic conditions (both native ones as well as ones established experimentally), and high reproducibility with respect to that which can be done in experimental studies. In this review, we focus on murine models for liver, an organ with renown regenerative capacity and the organ most central to systemic, complex metabolic and physiological functions for mammalian hosts. Establishment of murine models has been achieved for all aspects of studies of normal liver, liver diseases, liver injuries, and regenerative repair mechanisms. We summarize key information on current mouse systems that partially model facets of clinical scenarios, particularly those associated with drug-induced acute or chronic liver injuries, dietary related, non-alcoholic liver disease (NAFLD), hepatitis virus infectious chronic liver diseases, and autoimmune hepatitis (AIH). In addition, we also include mouse models that are suitable for studying liver cancers (e.g., hepatocellular carcinomas), the aging process (senescence, apoptosis), and various types of liver injuries and regenerative processes associated with them.
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Affiliation(s)
- Yuan Du
- Department of General Surgery, Ji’an Hospital, Shanghai East Hospital, School of Medicine, Tongji University, Ji’an, China
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
- The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Wencheng Zhang
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
| | - Hua Qiu
- Department of General Surgery, Ji’an Hospital, Shanghai East Hospital, School of Medicine, Tongji University, Ji’an, China
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
- The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Canjun Xiao
- Department of General Surgery, Ji’an Hospital, Shanghai East Hospital, School of Medicine, Tongji University, Ji’an, China
| | - Jun Shi
- Department of General Surgery, Ji’an Hospital, Shanghai East Hospital, School of Medicine, Tongji University, Ji’an, China
- The First Affiliated Hospital of Nanchang University, Nanchang, China
- *Correspondence: Zhiying He, ; Lola M. Reid, , ; Jun Shi,
| | - Lola M. Reid
- Departments of Cell Biology and Physiology, Program in Molecular Biology and Biotechnology, UNC School of Medicine, Chapel Hill, NC, United States
- *Correspondence: Zhiying He, ; Lola M. Reid, , ; Jun Shi,
| | - Zhiying He
- Department of General Surgery, Ji’an Hospital, Shanghai East Hospital, School of Medicine, Tongji University, Ji’an, China
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- *Correspondence: Zhiying He, ; Lola M. Reid, , ; Jun Shi,
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110
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Li H. Intercellular crosstalk of liver sinusoidal endothelial cells in liver fibrosis, cirrhosis and hepatocellular carcinoma. Dig Liver Dis 2022; 54:598-613. [PMID: 34344577 DOI: 10.1016/j.dld.2021.07.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 07/09/2021] [Accepted: 07/12/2021] [Indexed: 12/12/2022]
Abstract
Intercellular crosstalk among various liver cells plays an important role in liver fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). Capillarization of liver sinusoidal endothelial cells (LSECs) precedes fibrosis and accumulating evidence suggests that the crosstalk between LSECs and other liver cells is critical in the development and progression of liver fibrosis. LSECs dysfunction, a key event in the progression from fibrosis to cirrhosis, and subsequently obstruction of hepatic sinuses and increased intrahepatic vascular resistance (IHVR) contribute to development of portal hypertension (PHT) and cirrhosis. More importantly, immunosuppressive tumor microenvironment (TME), which is closely related to the crosstalk between LSECs and immune liver cells like CD8+ T cells, promotes advances tumorigenesis, especially HCC. However, the connections within the crosstalk between LSECs and other liver cells during the progression from liver fibrosis to cirrhosis to HCC have yet to be discussed. In this review, we first summarize the current knowledge of how different crosstalk between LSECs and other liver cells, including hepatocytes, hepatic stellate cells (HSCs), macrophoges, immune cells in liver and extra cellular matrix (ECM) contribute to the physiological function and the progrssion from liver fibrosis to cirrhosis, or even to HCC. Then we examine current treatment strategies for LSECs crosstalk in liver fibrosis, cirrhosis and HCC.
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Affiliation(s)
- Hui Li
- Central Laboratory, Hospital of Chengdu University of Traditional Chinese Medicine, NO. 39 Shi-er-qiao Road, Chengdu, 610072, Sichuan Province, PR China.
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111
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Gómez-Salinero JM, Izzo F, Lin Y, Houghton S, Itkin T, Geng F, Bram Y, Adelson RP, Lu TM, Inghirami G, Xiang JZ, Lis R, Redmond D, Schreiner R, Rabbany SY, Landau DA, Schwartz RE, Rafii S. Specification of fetal liver endothelial progenitors to functional zonated adult sinusoids requires c-Maf induction. Cell Stem Cell 2022; 29:593-609.e7. [PMID: 35364013 PMCID: PMC9290393 DOI: 10.1016/j.stem.2022.03.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 12/29/2021] [Accepted: 03/08/2022] [Indexed: 12/13/2022]
Abstract
The liver vascular network is patterned by sinusoidal and hepatocyte co-zonation. How intra-liver vessels acquire their hierarchical specialized functions is unknown. We study heterogeneity of hepatic vascular cells during mouse development through functional and single-cell RNA-sequencing. The acquisition of sinusoidal endothelial cell identity is initiated during early development and completed postnatally, originating from a pool of undifferentiated vascular progenitors at E12. The peri-natal induction of the transcription factor c-Maf is a critical switch for the sinusoidal identity determination. Endothelium-restricted deletion of c-Maf disrupts liver sinusoidal development, aberrantly expands postnatal liver hematopoiesis, promotes excessive postnatal sinusoidal proliferation, and aggravates liver pro-fibrotic sensitivity to chemical insult. Enforced c-Maf overexpression in generic human endothelial cells switches on a liver sinusoidal transcriptional program that maintains hepatocyte function. c-Maf represents an inducible intra-organotypic and niche-responsive molecular determinant of hepatic sinusoidal cell identity and lays the foundation for the strategies for vasculature-driven liver repair.
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Affiliation(s)
- Jesus Maria Gómez-Salinero
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
| | - Franco Izzo
- Division of Hematology and Medical Oncology, Department of Medicine, and Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA; New York Genome Center, New York, NY, USA; Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY, USA
| | - Yang Lin
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Sean Houghton
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Tomer Itkin
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Fuqiang Geng
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Yaron Bram
- Division of Gastroenterology and Hepatology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Robert P Adelson
- Bioengineering Program, Fred DeMatteis School of Engineering and Applied Science, Hofstra University, Hempstead, NY, USA
| | - Tyler M Lu
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA; Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medicine, New York, NY 10065, USA
| | - Giorgio Inghirami
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | | | - Raphael Lis
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA; Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medicine, New York, NY 10065, USA
| | - David Redmond
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Ryan Schreiner
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Sina Y Rabbany
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA; Bioengineering Program, Fred DeMatteis School of Engineering and Applied Science, Hofstra University, Hempstead, NY, USA
| | - Dan A Landau
- Division of Hematology and Medical Oncology, Department of Medicine, and Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA; New York Genome Center, New York, NY, USA; Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY, USA
| | - Robert E Schwartz
- Division of Gastroenterology and Hepatology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
| | - Shahin Rafii
- Division of Regenerative Medicine, Hartman Institute for Therapeutic Organ Regeneration, Ansary Stem Cell Institute, Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
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112
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Gage BK, Merlin S, Olgasi C, Follenzi A, Keller GM. Therapeutic correction of hemophilia A by transplantation of hPSC-derived liver sinusoidal endothelial cell progenitors. Cell Rep 2022; 39:110621. [PMID: 35385743 DOI: 10.1016/j.celrep.2022.110621] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 01/27/2022] [Accepted: 03/14/2022] [Indexed: 01/19/2023] Open
Abstract
Liver sinusoidal endothelial cells (LSECs) form the predominant microvasculature in the liver where they carry out many functions including the secretion of coagulation factor VIII (FVIII). To investigate the early origins of this lineage, we develop an efficient and scalable protocol to produce human pluripotent stem cell (hPSC)-derived LSEC progenitors characterized as venous endothelial cells (VECs) from different mesoderm subpopulations. Using a sensitive and quantitative vascular competitive transplantation assay, we demonstrate that VECs generated from BMP4 and activin A-induced KDR+CD235a/b+ mesoderm are 50-fold more efficient at LSEC engraftment than venous cells from BMP4 and WNT-induced KDR+CD235a/b- mesoderm. When transplanted into immunocompromised hemophilia A mice (NSG-HA), these VECs engraft the liver, proliferate, and mature to functional LSECs that secrete bioactive FVIII capable of correcting the bleeding phenotype. Together, these findings highlight the importance of appropriate mesoderm induction for generating hPSC-derived LSECs capable of functioning in a preclinical model of hemophilia A.
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Affiliation(s)
- Blair K Gage
- McEwen Stem Cell Institute, University Health Network, Toronto, ON M5G1L7, Canada.
| | - Simone Merlin
- Department of Health Sciences, School of Medicine, University of Piemonte Orientale, 28100 Novara, Italy
| | - Cristina Olgasi
- Department of Health Sciences, School of Medicine, University of Piemonte Orientale, 28100 Novara, Italy
| | - Antonia Follenzi
- Department of Health Sciences, School of Medicine, University of Piemonte Orientale, 28100 Novara, Italy
| | - Gordon M Keller
- McEwen Stem Cell Institute, University Health Network, Toronto, ON M5G1L7, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON M5G1L7, Canada.
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113
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Madonna R. Angiocrine endothelium: From physiology to atherosclerosis and cardiac repair. Vascul Pharmacol 2022; 144:106993. [DOI: 10.1016/j.vph.2022.106993] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 03/25/2022] [Accepted: 03/30/2022] [Indexed: 02/08/2023]
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114
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Gao Y, Liu J, Zhao D, Diao G. A Novel Prognostic Model for Identifying the Risk of Hepatocellular Carcinoma Based on Angiogenesis Factors. Front Genet 2022; 13:857215. [PMID: 35368665 PMCID: PMC8971657 DOI: 10.3389/fgene.2022.857215] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 02/28/2022] [Indexed: 11/14/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is the most common primary liver cancer with poor prognosis. An optimized stratification of HCC patients to discriminate clinical benefit regarding different degrees of malignancy is urgently needed because of no effective and reliable prognostic biomarkers currently. HCC is typically characterized by rich vascular. The dysregulated vascular endothelial growth factor was proved a pivotal regulator of the development of HCC. Therefore, we investigated the capability of angiogenic factors (AFs) in stratifying patients and constructed a prognostic risk model. A total of 6 prognostic correlated AFs (GRM8, SPC25, FSD1L, SLC386A, FAM72A and SLC39A10) were screened via LASSO Cox regression, which provided the basis for developing a novel prognostic risk model. Based on the risk model, HCC patients were subdivided into high-risk and low-risk groups. Kaplan-Meier curve indicated that patients in the high-risk group have a lower survival rate compared with those in the low-risk group. The prognostic model showed good predictive efficacy, with AUCs reaching 0.802 at 1 year, 0.694 at 2 years, and 0.672 at 3 years. Univariate and multivariate cox regression analysis demonstrated that the risk score had significant prognostic value and was an independent prognostic factor for HCC. Moreover, this model also showed a good diagnostic positive rate in the ICGC-LIRI-JP and GSE144269. Finally, we demonstrated the efficacy of the AF-risk model in HCC patients following sorafenib adjuvant chemotherapy. And revealed the underlying molecular features involving tumor stemness, immune regulation, and genomic alterations associated with the risk score. Based on a large population, we established a novel prognostic model based on 6 AFs to help identify HCC patients with a greater risk of death. The model may provide a reference for better clinical management of HCC patients in the era of cancer precision medicine.
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Targeted inhibition of the immunoproteasome blocks endothelial MHC class II antigen presentation to CD4 + T cells in chronic liver injury. Int Immunopharmacol 2022; 107:108639. [PMID: 35219165 DOI: 10.1016/j.intimp.2022.108639] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/13/2022] [Accepted: 02/16/2022] [Indexed: 02/08/2023]
Abstract
Chronic or overwhelming liver injury is frequently associated with fibrosis, which is the main histological characteristic of non-alcoholic steatohepatitis (NASH). Currently, there is no effective treatment for liver fibrosis. Adaptive immunity is one of the perpetrators of liver inflammation and involves the antigen-specific activation of lymphocytes. Targeting adaptive immunity has been proposed as a novel therapeutic approach for NASH. In this study, we demonstrated that liver endothelial cells contribute to MHC class II (MHC-II) antigen presentation to CD4+ T cells after chronic liver injury. In human cirrhotic liver samples, we observed an increased expression of endothelial MHC-II and of the antigen presentation-associated protein LMP7, which is one of the proteolytically active subunits of the immunoproteasome. In a CCl4-induced chronic injury model or a diet- and chemical-induced NASH model, endothelial MHC-II and LMP7 expression was induced to increase. PR-957, a selective inhibitor of the immunoproteasome, inhibited MHC-II expression in endothelial cells and CD4+ T cell response after chronic liver injury. In vitro experiment demonstrated PR-957 also reversed IFN-γ-induced upregulation of MHC-II in endothelial cells. Furthermore, PR-957 treatment or CD4+ T cell depletion in chronic liver injury alleviated liver fibrosis and reduced inflammation, as indicated by the downregulation of inflammatory response markers (F4/80, IL-1, IL-6 and IL-18). In conclusion, targeted inhibition of the immunoproteasome blocks endothelial MHC-II antigen presentation to CD4+ T cells in chronic liver injury. In this regard, the PR-957 inhibitor is a promising candidate for the development of future therapies against NASH.
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Wang FD, Zhou J, Chen EQ. Molecular Mechanisms and Potential New Therapeutic Drugs for Liver Fibrosis. Front Pharmacol 2022; 13:787748. [PMID: 35222022 PMCID: PMC8874120 DOI: 10.3389/fphar.2022.787748] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 01/17/2022] [Indexed: 12/11/2022] Open
Abstract
Liver fibrosis is the pathological process of excessive extracellular matrix deposition after liver injury and is a precursor to cirrhosis, hepatocellular carcinoma (HCC). It is essentially a wound healing response to liver tissue damage. Numerous studies have shown that hepatic stellate cells play a critical role in this process, with various cells, cytokines, and signaling pathways engaged. Currently, the treatment targeting etiology is considered the most effective measure to prevent and treat liver fibrosis, but reversal fibrosis by elimination of the causative agent often occurs too slowly or too rarely to avoid life-threatening complications, especially in advanced fibrosis. Liver transplantation is the only treatment option in the end-stage, leaving us with an urgent need for new therapies. An in-depth understanding of the mechanisms of liver fibrosis could identify new targets for the treatment. Most of the drugs targeting critical cells and cytokines in the pathogenesis of liver fibrosis are still in pre-clinical trials and there are hardly any definitive anti-fibrotic chemical or biological drugs available for clinical use. In this review, we will summarize the pathogenesis of liver fibrosis, focusing on the role of key cells, associated mechanisms, and signaling pathways, and summarize various therapeutic measures or drugs that have been trialed in clinical practice or are in the research stage.
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Zhou J, Zheng Q, Chen Z. The Nrf2 Pathway in Liver Diseases. Front Cell Dev Biol 2022; 10:826204. [PMID: 35223849 PMCID: PMC8866876 DOI: 10.3389/fcell.2022.826204] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 01/17/2022] [Indexed: 12/11/2022] Open
Abstract
Oxidative stress is the leading cause of most liver diseases, such as drug-induced liver injury, viral hepatitis, and alcoholic hepatitis caused by drugs, viruses, and ethanol. The Kelch-like ECH-associated protein 1-NFE2-related factor 2 (Keap1-Nrf2) system is a critical defense mechanism of cells and organisms in response to oxidative stress. Accelerating studies have clarified that the Keap1-Nrf2 axis are involved in the prevention and attenuation of liver injury. Nrf2 up-regulation could alleviate drug-induced liver injury in mice. Moreover, many natural Nrf2 activators can regulate lipid metabolism and oxidative stress of liver cells to alleviate fatty liver disease in mice. In virus hepatitis, the increased Nrf2 can inhibit hepatitis C viral replication by up-regulating hemeoxygenase-1. In autoimmune liver diseases, the increased Nrf2 is essential for mice to resist liver injury. In liver cirrhosis, the enhanced Nrf2 reduces the activation of hepatic stellate cells by reducing reactive oxygen species levels to prevent liver fibrosis. Nrf2 plays a dual function in liver cancer progression. At present, a Nrf2 agonist has received clinical approval. Therefore, activating the Nrf2 pathway to induce the expression of cytoprotective genes is a potential option for treating liver diseases. In this review, we comprehensively summarized the relationships between oxidative stress and liver injury, and the critical role of the Nrf2 pathway in multiple liver diseases.
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Duan JL, Zhou ZY, Ruan B, Fang ZQ, Ding J, Liu JJ, Song P, Xu H, Xu C, Yue ZS, Han H, Dou GR, Wang L. Notch-Regulated c-Kit-Positive Liver Sinusoidal Endothelial Cells Contribute to Liver Zonation and Regeneration. Cell Mol Gastroenterol Hepatol 2022; 13:1741-1756. [PMID: 35114417 PMCID: PMC9046233 DOI: 10.1016/j.jcmgh.2022.01.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 01/20/2023]
Abstract
BACKGROUND & AIMS Liver sinusoidal endothelial cells (SECs) promote the proliferation of hepatocytes during liver regeneration. However, the specific subset of SECs and its mechanisms during the process remain unclear. In this study, we investigated the potential role of c-kit+ SECs, a newly identified subset of SECs in liver regeneration. METHODS Partial hepatectomy mice models were established to induce liver regeneration. Hepatic c-kit expression was detected by quantitative reverse-transcription polymerase chain reaction, immunofluorescent staining, and fluorescence-activated cell sorting. VE-cadherin-cyclization recombinase-estrogen receptor (Cdh5-Cre-ERT) Notch intracellular domain and Cdh5-Cre recombination signal binding protein Jκfloxp mice were introduced to mutate Notch signaling. c-Kit+ SECs were isolated by magnetic beads. Single-cell RNA sequencing was performed on isolated SECs. Liver injuries were induced by CCl4 or quantitative polymerase chain reaction injection. RESULTS Hepatic c-kit is expressed predominantly in SECs. Liver resident SECs contribute to the increase of c-kit during partial hepatectomy-induced liver regeneration. Isolated c-kit+ SECs promote hepatocyte proliferation in vivo and in vitro by facilitating angiocrine. The distribution of c-kit shows distinct spatial differences that are highly coincident with the liver zonation marker wingless-type MMTV integration site family, member2 (Wnt2). Notch mutation reshapes the c-kit distribution and liver zonation, resulting in altered hepatocyte proliferation. c-Kit+ SECs were shown to regulate hepatocyte regeneration through angiocrine in a Wnt2-dependent manner. Activation of the Notch signaling pathway weakens liver regeneration by inhibiting positive regulatory effects of c-kit+ SECs on hepatocytes. Furthermore, c-kit+ SEC infusion attenuates toxin-induced liver injuries in mice. CONCLUSIONS Our results suggest that c-kit+ SECs contributes to liver zonation and regeneration through Wnt2 and is regulated by Notch signaling, providing opportunities for novel therapeutic approaches to liver injury in the future. Transcript profiling: GEO (accession number: GSE134037).
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Affiliation(s)
- Juan-Li Duan
- Department of Hepatobiliary Surgery, Xi'an, China
| | - Zi-Yi Zhou
- Department of Ophthalmology, Xi-Jing Hospital, Xi'an, China
| | - Bai Ruan
- Department of Hepatobiliary Surgery, Xi'an, China; State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Xi'an, China; Center of Clinical Aerospace Medicine, Department of Aviation Medicine, Fourth Military Medical University, Xi'an, China
| | | | - Jian Ding
- Department of Hepatobiliary Surgery, Xi'an, China
| | | | - Ping Song
- Department of Hepatobiliary Surgery, Xi'an, China
| | - Hao Xu
- Department of Hepatobiliary Surgery, Xi'an, China
| | - Chen Xu
- Department of Hepatobiliary Surgery, Xi'an, China
| | - Zhen-Sheng Yue
- Department of Hepatobiliary Surgery, Xi'an, China; Department of Ophthalmology, Xi-Jing Hospital, Xi'an, China
| | - Hua Han
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Xi'an, China.
| | - Guo-Rui Dou
- Department of Ophthalmology, Xi-Jing Hospital, Xi'an, China.
| | - Lin Wang
- Department of Hepatobiliary Surgery, Xi'an, China; State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Xi'an, China.
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Coll M, Ariño S, Mártinez-Sánchez C, Garcia-Pras E, Gallego J, Moles A, Aguilar-Bravo B, Blaya D, Vallverdú J, Rubio-Tomás T, Lozano JJ, Pose E, Graupera I, Fernández-Vidal A, Pol A, Bataller R, Geng JG, Ginès P, Fernandez M, Sancho-Bru P. Ductular reaction promotes intrahepatic angiogenesis through Slit2-Roundabout 1 signaling. Hepatology 2022; 75:353-368. [PMID: 34490644 PMCID: PMC8766889 DOI: 10.1002/hep.32140] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 07/08/2021] [Accepted: 08/06/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND AND AIMS Ductular reaction (DR) expands in chronic liver diseases and correlates with disease severity. Besides its potential role in liver regeneration, DR plays a role in the wound-healing response of the liver, promoting periductular fibrosis and inflammatory cell recruitment. However, there is no information regarding its role in intrahepatic angiogenesis. In the current study we investigated the potential contribution of DR cells to hepatic vascular remodeling during chronic liver disease. APPROACH AND RESULTS In mouse models of liver injury, DR cells express genes involved in angiogenesis. Among angiogenesis-related genes, the expression of Slit2 and its receptor Roundabout 1 (Robo1) was localized in DR cells and neoangiogenic vessels, respectively. The angiogenic role of the Slit2-Robo1 pathway in chronic liver disease was confirmed in ROBO1/2-/+ mice treated with 3,5-diethoxycarbonyl-1,4-dihydrocollidine, which displayed reduced intrahepatic neovascular density compared to wild-type mice. However, ROBO1/2 deficiency did not affect angiogenesis in partial hepatectomy. In patients with advanced alcohol-associated disease, angiogenesis was associated with DR, and up-regulation of SLIT2-ROBO1 correlated with DR and disease severity. In vitro, human liver-derived organoids produced SLIT2 and induced tube formation of endothelial cells. CONCLUSIONS Overall, our data indicate that DR expansion promotes angiogenesis through the Slit2-Robo1 pathway and recognize DR cells as key players in the liver wound-healing response.
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MESH Headings
- Animals
- Blood Vessels/metabolism
- Chronic Disease
- Disease Progression
- Gene Expression
- Gene Ontology
- Hepatitis, Alcoholic/pathology
- Hepatitis, Alcoholic/physiopathology
- Humans
- Intercellular Signaling Peptides and Proteins/genetics
- Intercellular Signaling Peptides and Proteins/metabolism
- Liver/metabolism
- Liver/physiopathology
- Liver Diseases, Alcoholic/genetics
- Liver Diseases, Alcoholic/metabolism
- Liver Diseases, Alcoholic/pathology
- Liver Diseases, Alcoholic/physiopathology
- Mice
- Neovascularization, Pathologic/genetics
- Neovascularization, Pathologic/pathology
- Neovascularization, Physiologic/genetics
- Nerve Tissue Proteins/genetics
- Nerve Tissue Proteins/metabolism
- Organoids
- Patient Acuity
- Receptors, Immunologic/genetics
- Receptors, Immunologic/metabolism
- Signal Transduction/genetics
- Stem Cells
- Up-Regulation
- Vascular Remodeling
- Wound Healing
- Roundabout Proteins
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Affiliation(s)
- Mar Coll
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
- Medicine department, Faculty of Medicine, University of Barcelona, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Catalonia, Spain
| | - Silvia Ariño
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Celia Mártinez-Sánchez
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Ester Garcia-Pras
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Catalonia, Spain
| | - Javier Gallego
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Catalonia, Spain
| | - Anna Moles
- Cell Death and Proliferation, Institute of Biomedical Research of Barcelona, Spanish National Research Council, Barcelona, Catalonia, Spain
- Liver Unit, Hospital Clínic, Barcelona, Catalonia, Spain
| | - Beatriz Aguilar-Bravo
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Delia Blaya
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Julia Vallverdú
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Teresa Rubio-Tomás
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Juan Jose Lozano
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Catalonia, Spain
| | - Elisa Pose
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Catalonia, Spain
- Liver Unit, Hospital Clínic, Barcelona, Catalonia, Spain
| | - Isabel Graupera
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
- Medicine department, Faculty of Medicine, University of Barcelona, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Catalonia, Spain
- Liver Unit, Hospital Clínic, Barcelona, Catalonia, Spain
| | - Andrea Fernández-Vidal
- Cell compartments and Signaling Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Albert Pol
- Cell compartments and Signaling Group, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
- Department of Biomedical Sciences, Faculty of Medicine, University of Barcelona, Barcelona, Catalonia, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Catalonia, Spain
| | - Ramón Bataller
- Pittsburgh Liver Research Center, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Jian-Guo Geng
- Department of Biologic and Material Sciences, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
| | - Pere Ginès
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
- Medicine department, Faculty of Medicine, University of Barcelona, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Catalonia, Spain
- Liver Unit, Hospital Clínic, Barcelona, Catalonia, Spain
| | - Mercedes Fernandez
- Medicine department, Faculty of Medicine, University of Barcelona, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Catalonia, Spain
| | - Pau Sancho-Bru
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
- Medicine department, Faculty of Medicine, University of Barcelona, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Catalonia, Spain
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RNF43/ZNRF3 loss predisposes to hepatocellular-carcinoma by impairing liver regeneration and altering the liver lipid metabolic ground-state. Nat Commun 2022; 13:334. [PMID: 35039505 PMCID: PMC8764073 DOI: 10.1038/s41467-021-27923-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 12/23/2021] [Indexed: 12/13/2022] Open
Abstract
RNF43/ZNRF3 negatively regulate WNT signalling. Both genes are mutated in several types of cancers, however, their contribution to liver disease is unknown. Here we describe that hepatocyte-specific loss of Rnf43/Znrf3 results in steatohepatitis and in increase in unsaturated lipids, in the absence of dietary fat supplementation. Upon injury, Rnf43/Znrf3 deletion results in defective hepatocyte regeneration and liver cancer, caused by an imbalance between differentiation/proliferation. Using hepatocyte-, hepatoblast- and ductal cell-derived organoids we demonstrate that the differentiation defects and lipid alterations are, in part, cell-autonomous. Interestingly, ZNRF3 mutant liver cancer patients present poorer prognosis, altered hepatic lipid metabolism and steatohepatitis/NASH signatures. Our results imply that RNF43/ZNRF3 predispose to liver cancer by controlling the proliferative/differentiation and lipid metabolic state of hepatocytes. Both mechanisms combined facilitate the progression towards malignancy. Our findings might aid on the management of those RNF43/ZNRF3 mutated individuals at risk of developing fatty liver and/or liver cancer.
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121
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Xiang Y, Miller K, Guan J, Kiratitanaporn W, Tang M, Chen S. 3D bioprinting of complex tissues in vitro: state-of-the-art and future perspectives. Arch Toxicol 2022; 96:691-710. [PMID: 35006284 PMCID: PMC8850226 DOI: 10.1007/s00204-021-03212-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/20/2021] [Indexed: 12/15/2022]
Abstract
The pharmacology and toxicology of a broad variety of therapies and chemicals have significantly improved with the aid of the increasing in vitro models of complex human tissues. Offering versatile and precise control over the cell population, extracellular matrix (ECM) deposition, dynamic microenvironment, and sophisticated microarchitecture, which is desired for the in vitro modeling of complex tissues, 3D bio-printing is a rapidly growing technology to be employed in the field. In this review, we will discuss the recent advancement of printing techniques and bio-ink sources, which have been spurred on by the increasing demand for modeling tactics and have facilitated the development of the refined tissue models as well as the modeling strategies, followed by a state-of-the-art update on the specialized work on cancer, heart, muscle and liver. In the end, the toxicological modeling strategies, substantial challenges, and future perspectives for 3D printed tissue models were explored.
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Affiliation(s)
- Yi Xiang
- Department of NanoEngineering, University of California San Diego, La Jolla, USA
| | - Kathleen Miller
- Department of NanoEngineering, University of California San Diego, La Jolla, USA
| | - Jiaao Guan
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, USA
| | | | - Min Tang
- Department of NanoEngineering, University of California San Diego, La Jolla, USA
| | - Shaochen Chen
- Department of NanoEngineering, University of California San Diego, La Jolla, USA.
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, USA.
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Wan Y, Li X, Slevin E, Harrison K, Li T, Zhang Y, Klaunig JE, Wu C, Shetty AK, Dong XC, Meng F. Endothelial dysfunction in pathological processes of chronic liver disease during aging. FASEB J 2021; 36:e22125. [PMID: 34958687 PMCID: PMC8782255 DOI: 10.1096/fj.202101426r] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 12/03/2021] [Accepted: 12/13/2021] [Indexed: 12/19/2022]
Abstract
Aging is associated with gradual changes in liver structure and physiological/pathological functions in hepatic cells including hepatocytes, cholangiocytes, Kupffer cells, hepatic stellate cells (HSCs), and liver sinusoidal endothelial cells (LSECs). LSECs are specialized hepatic endothelial cells that regulate liver homeostasis. These cells actively impact the hepatic microenvironment as they have fenestrations and a thin morphology to allow substance exchange between circulating blood and the liver tissue. As aging occurs, LSECs have a reduction in both the number and size of fenestrations, which is referred to as pseudocapillarization. This along with the aging of the liver leads to increased oxidative stress, decreased availability of nitric oxide, decreased hepatic blood flow, and increased inflammatory cytokines in LSECs. Vascular aging can also lead to hepatic hypoxia, HSC activation, and liver fibrosis. In this review, we described the basic structure of LSECs, and the effect of LSECs on hepatic inflammation and fibrosis during aging process. We briefly summarized the changes of hepatic microcirculation during liver inflammation, the effect of aging on the clearance function of LSECs, the interactions between LSECs and immunity, hepatocytes or other hepatic nonparenchymal cells, and the therapeutic intervention of liver diseases by targeting LSECs and vascular system. Since LSECs play an important role in the development of liver fibrosis and the changes of LSEC phenotype occur in the early stage of liver fibrosis, the study of LSECs in the fibrotic liver is valuable for the detection of early liver fibrosis and the early intervention of fibrotic response.
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Affiliation(s)
- Ying Wan
- Department of Pathophysiology, School of Basic Medical Science, Southwest Medical University, Luzhou, China, China
| | - Xuedong Li
- Department of Pathophysiology, School of Basic Medical Science, Southwest Medical University, Luzhou, China, China
| | - Elise Slevin
- Indiana Center for Liver Research, Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Kelly Harrison
- Department of Transplant Surgery, Baylor Scott & White Memorial Hospital, Temple, Texas, USA
| | - Tian Li
- Department of Pathophysiology, School of Basic Medical Science, Southwest Medical University, Luzhou, China, China
| | - Yudian Zhang
- Department of Pathophysiology, School of Basic Medical Science, Southwest Medical University, Luzhou, China, China
| | - James E Klaunig
- Laboratory of Investigative Toxicology and Pathology, Department of Environmental and Occupational Health, Indiana School of Public Health, Indiana University, Bloomington, Indiana, USA
| | - Chaodong Wu
- Department of Nutrition and Food Science, Texas A&M University, College Station, Texas, USA
| | - Ashok K Shetty
- Department of Molecular and Cellular Medicine, Institute for Regenerative Medicine, Texas A&M College of Medicine, College Station, Texas, USA
| | - X Charlie Dong
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Fanyin Meng
- Indiana Center for Liver Research, Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA.,Richard L. Roudebush VA Medical Center, Indianapolis, Indiana, USA
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Hadjittofi C, Feretis M, Martin J, Harper S, Huguet E. Liver regeneration biology: Implications for liver tumour therapies. World J Clin Oncol 2021; 12:1101-1156. [PMID: 35070734 PMCID: PMC8716989 DOI: 10.5306/wjco.v12.i12.1101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/22/2021] [Accepted: 11/28/2021] [Indexed: 02/06/2023] Open
Abstract
The liver has remarkable regenerative potential, with the capacity to regenerate after 75% hepatectomy in humans and up to 90% hepatectomy in some rodent models, enabling it to meet the challenge of diverse injury types, including physical trauma, infection, inflammatory processes, direct toxicity, and immunological insults. Current understanding of liver regeneration is based largely on animal research, historically in large animals, and more recently in rodents and zebrafish, which provide powerful genetic manipulation experimental tools. Whilst immensely valuable, these models have limitations in extrapolation to the human situation. In vitro models have evolved from 2-dimensional culture to complex 3 dimensional organoids, but also have shortcomings in replicating the complex hepatic micro-anatomical and physiological milieu. The process of liver regeneration is only partially understood and characterized by layers of complexity. Liver regeneration is triggered and controlled by a multitude of mitogens acting in autocrine, paracrine, and endocrine ways, with much redundancy and cross-talk between biochemical pathways. The regenerative response is variable, involving both hypertrophy and true proliferative hyperplasia, which is itself variable, including both cellular phenotypic fidelity and cellular trans-differentiation, according to the type of injury. Complex interactions occur between parenchymal and non-parenchymal cells, and regeneration is affected by the status of the liver parenchyma, with differences between healthy and diseased liver. Finally, the process of termination of liver regeneration is even less well understood than its triggers. The complexity of liver regeneration biology combined with limited understanding has restricted specific clinical interventions to enhance liver regeneration. Moreover, manipulating the fundamental biochemical pathways involved would require cautious assessment, for fear of unintended consequences. Nevertheless, current knowledge provides guiding principles for strategies to optimise liver regeneration potential.
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Affiliation(s)
- Christopher Hadjittofi
- University Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Center, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
| | - Michael Feretis
- University Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Center, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
| | - Jack Martin
- University Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Center, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
| | - Simon Harper
- University Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Center, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
| | - Emmanuel Huguet
- University Department of Surgery, Addenbrookes Hospital, NIHR Comprehensive Biomedical Research and Academic Health Sciences Center, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, United Kingdom
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Cell Death in Hepatocellular Carcinoma: Pathogenesis and Therapeutic Opportunities. Cancers (Basel) 2021; 14:cancers14010048. [PMID: 35008212 PMCID: PMC8750350 DOI: 10.3390/cancers14010048] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 12/18/2021] [Indexed: 02/07/2023] Open
Abstract
Simple Summary The progression of liver tumors is highly influenced by the interactions between cancer cells and the surrounding environment, and, consequently, can determine whether the primary tumor regresses, metastasizes, or establishes micrometastases. In the context of liver cancer, cell death is a double-edged sword. On one hand, cell death promotes inflammation, fibrosis, and angiogenesis, which are tightly orchestrated by a variety of resident and infiltrating host cells. On the other hand, targeting cell death in advanced hepatocellular carcinoma could represent an attractive therapeutic approach for limiting tumor growth. Further studies are needed to investigate therapeutic strategies combining current chemotherapies with novel drugs targeting either cell death or the tumor microenvironment. Abstract Hepatocellular carcinoma (HCC) is the most prevalent primary liver cancer and the third leading cause of cancer death worldwide. Closely associated with liver inflammation and fibrosis, hepatocyte cell death is a common trigger for acute and chronic liver disease arising from different etiologies, including viral hepatitis, alcohol abuse, and fatty liver. In this review, we discuss the contribution of different types of cell death, including apoptosis, necroptosis, pyroptosis, or autophagy, to the progression of liver disease and the development of HCC. Interestingly, inflammasomes have recently emerged as pivotal innate sensors with a highly pathogenic role in various liver diseases. In this regard, an increased inflammatory response would act as a key element promoting a pro-oncogenic microenvironment that may result not only in tumor growth, but also in the formation of a premetastatic niche. Importantly, nonparenchymal hepatic cells, such as liver sinusoidal endothelial cells, hepatic stellate cells, and hepatic macrophages, play an important role in establishing the tumor microenvironment, stimulating tumorigenesis by paracrine communication through cytokines and/or angiocrine factors. Finally, we update the potential therapeutic options to inhibit tumorigenesis, and we propose different mechanisms to consider in the tumor microenvironment field for HCC resolution.
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Vascular Regulation of Hematopoietic Stem Cell Homeostasis, Regeneration, and Aging. CURRENT STEM CELL REPORTS 2021; 7:194-203. [PMID: 34868826 PMCID: PMC8639543 DOI: 10.1007/s40778-021-00198-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2021] [Indexed: 12/26/2022]
Abstract
Purpose of Review Hematopoietic stem cells (HSCs) sit at the top of the hierarchy that meets the daily burden of blood production. HSC maintenance relies on extrinsic cues from the bone marrow (BM) microenvironment to balance stem cell self-renewal and cell fate decisions. In this brief review, we will highlight the studies and model systems that define the centralized role of BM vascular endothelium in modulating HSC activity in health and stress. Recent Findings The BM microenvironment is composed of a diverse array of intimately associated vascular and perivascular cell types. Recent dynamic imaging studies, coupled with single-cell RNA sequencing (scRNA-seq) and functional readouts, have advanced our understanding of the HSC-supportive cell types and their cooperative mechanisms that govern stem cell fate during homeostasis, regeneration, and aging. These findings have established complex and discrete vascular microenvironments within the BM that express overlapping and unique paracrine signals that modulate HSC fate. Summary Understanding the spatial and reciprocal HSC-niche interactions and the molecular mechanisms that govern HSC activity in the BM vascular microenvironment will be integral in developing therapies aimed at ameliorating hematological disease and supporting healthy hematopoietic output.
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Qing Z, Huang H, Luo Q, Lin J, Yang S, Liu T, Zeng Z, Ming T. Hypoxia promotes the proliferation of mouse liver sinusoidal endothelial cells: miRNA-mRNA expression analysis. Bioengineered 2021; 12:8666-8678. [PMID: 34672871 PMCID: PMC8806994 DOI: 10.1080/21655979.2021.1988371] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 09/29/2021] [Indexed: 02/07/2023] Open
Abstract
During the initial stage of liver regeneration (LR), hepatocytes and liver sinusoidal endothelial cells (LSECs) initiate regeneration in a hypoxic environment. However, the role of LSECs in liver regeneration in hypoxic environments and their specific molecular mechanism is unknown. Therefore, this study aimed to explore the miRNA-mRNA network that regulates the proliferation of LSECs during hypoxia. In this study, first, we found that the proliferation ability of primary LSECs treated with hypoxia was enhanced compared with the control group, and then whole transcriptome sequencing was performed to screen 1837 differentially expressed (DE) genes and 17 DE miRNAs. Subsequently, the bioinformatics method was used to predict the target genes of miRNAs, and 309 pairs of interacting miRNA-mRNA pairs were obtained. Furthermore, the miRNA-gene action network was established using the negative interacting miRNA-mRNA pairs. The selected mRNAs were analyzed by Gene Ontology (GO) enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis, and biological processes (BP) and signal pathways related to LSEC proliferation that were significantly enriched in GO-BP and KEGG were selected. Finally, 22 DE genes and 17 DE miRNAs were screened and the network was created. We also successfully verified the significant changes in the top six genes and miRNAs using qRT-PCR, and the results were consistent with the sequencing results. This study proposed that a specific miRNA-mRNA network is associated with hypoxia-induced proliferation of LSECs, which will assist in elucidating the potential mechanisms involved in hypoxia-promoting liver regeneration during LR.
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Affiliation(s)
- Zhe Qing
- Organ Transplantation Center, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Hanfei Huang
- Organ Transplantation Center, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Qun Luo
- Department of Pediatrics, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Jie Lin
- Organ Transplantation Center, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Shikun Yang
- Organ Transplantation Center, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Tao Liu
- Organ Transplantation Center, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Zhong Zeng
- Organ Transplantation Center, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Tingfeng Ming
- Organ Transplantation Center, the First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
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Developmental angiocrine diversification of endothelial cells for organotypic regeneration. Dev Cell 2021; 56:3042-3051. [PMID: 34813766 DOI: 10.1016/j.devcel.2021.10.020] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/17/2021] [Accepted: 10/26/2021] [Indexed: 02/08/2023]
Abstract
Adult organs are vascularized by specialized blood vessels. In addition to inter-organ vascular heterogeneity, each organ is arborized by structurally and functionally diversified populations of endothelial cells (ECs). The molecular pathways that are induced to orchestrate inter- and intra- organ vascular heterogeneity and zonation are shaped during development and fully specified postnatally. Notably, intra-organ specialization of ECs is associated with induction of angiocrine factors that guide cross-talk between ECs and parenchymal cells, establishing co-zonated vascular regions within each organ. In this review, we describe how microenvironmental tissue-specific biophysical, biochemical, immune, and inflammatory cues dictate the specialization of ECs with zonated functions. We delineate how physiological and biophysical stressors in the developing liver, lung, and kidney vasculature induce specialization of capillary beds. Deciphering mechanisms by which vascular microvasculature diversity is attained could set the stage for treating regenerative disorders and promote healing of organs without provoking fibrosis.
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The Hepatic Sinusoid in Chronic Liver Disease: The Optimal Milieu for Cancer. Cancers (Basel) 2021; 13:cancers13225719. [PMID: 34830874 PMCID: PMC8616349 DOI: 10.3390/cancers13225719] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/08/2021] [Accepted: 11/11/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary During the development of chronic liver disease, the hepatic sinusoid undergoes major changes that further compromise the hepatic function, inducing persistent inflammation and the formation of scar tissue, together with alterations in liver hemodynamics. This diseased background may induce the formation and development of hepatocellular carcinoma (HCC), which is the most common form of primary liver cancer and a major cause of mortality. In this review, we describe the ways in which the dysregulation of hepatic sinusoidal cells—including liver sinusoidal cells, Kupffer cells, and hepatic stellate cells—may have an important role in the development of HCC. Our review summarizes all of the known sinusoidal processes in both health and disease, and possible treatments focusing on the dysregulation of the sinusoid; finally, we discuss how some of these alterations occurring during chronic injury are shared with the pathology of HCC and may contribute to its development. Abstract The liver sinusoids are a unique type of microvascular beds. The specialized phenotype of sinusoidal cells is essential for their communication, and for the function of all hepatic cell types, including hepatocytes. Liver sinusoidal endothelial cells (LSECs) conform the inner layer of the sinusoids, which is permeable due to the fenestrae across the cytoplasm; hepatic stellate cells (HSCs) surround LSECs, regulate the vascular tone, and synthetize the extracellular matrix, and Kupffer cells (KCs) are the liver-resident macrophages. Upon injury, the harmonic equilibrium in sinusoidal communication is disrupted, leading to phenotypic alterations that may affect the function of the whole liver if the damage persists. Understanding how the specialized sinusoidal cells work in coordination with each other in healthy livers and chronic liver disease is of the utmost importance for the discovery of new therapeutic targets and the design of novel pharmacological strategies. In this manuscript, we summarize the current knowledge on the role of sinusoidal cells and their communication both in health and chronic liver diseases, and their potential pharmacologic modulation. Finally, we discuss how alterations occurring during chronic injury may contribute to the development of hepatocellular carcinoma, which is usually developed in the background of chronic liver disease.
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Cao JL, Yan JB, Wu JT, Chen ZY. Research progress of sinusoidal endothelial cells in nonalcoholic fatty liver disease. Shijie Huaren Xiaohua Zazhi 2021; 29:1254-1260. [DOI: 10.11569/wcjd.v29.i21.1254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a growing health problem associated with metabolic syndrome. Liver sinusoidal endothelial cells (LSECs) are highly specialized endothelial cells located between the blood and other liver cell types. They are composed of window pores, have high endocytosis, and play an important role in maintaining the overall liver homeostasis. Under pathological conditions, LSECs may be the key event of a variety of chronic liver diseases. In this review, we introduce the unique physiological structure and function of LSECs, summarize the main changes of LSECs in NAFLD (including sinohepatic capillarization, angiogenesis, vasoconstriction, proinflammatory effect, and fibrosis) and their pathogenesis, and discuss the influence of LSECs on the progression of NAFLD, with an aim to demonstrate the potential efficacy of LSECS targeted therapy for NAFLD.
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Affiliation(s)
- Jie-Lu Cao
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou Command, Hangzhou 310006, Zhejiang Province, China
| | - Jun-Bin Yan
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou Command, Hangzhou 310006, Zhejiang Province, China
| | - Jin-Ting Wu
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou Command, Hangzhou 310006, Zhejiang Province, China
| | - Zhi-Yun Chen
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou Command, Hangzhou 310006, Zhejiang Province, China
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Huang W, Ma Y, Du L, Kang S, Liu CH, Bai L, Lei X, Tang H. Effectiveness of granulocyte colony-stimulating factor for patients with acute-on-chronic liver failure: a meta-analysis. Ann Saudi Med 2021; 41:383-391. [PMID: 34873932 PMCID: PMC8650600 DOI: 10.5144/0256-4947.2021.383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND The safety and efficacy of granulocyte colony-stimulating factor (G-CSF) for the treatment of acute-on-chronic liver failure (ACLF) remain uncertain. Therefore, we conducted a meta-analysis to draw a firmer conclusion. METHODS We searched the Cochrane library, PubMed, Embase, and China Biology Medicine disc to identify relevant RCTs performed before January 2020. Risk ratios (RRs) and their 95% confidence intervals (95% CIs) were calculated using a random effects model. MAIN OUTCOME MEASURES RRs (95% CI) for 1-, 2-, and 3-month survival rates. SAMPLE SIZE Six RCTs, including three open-label studies. RESULTS The six studies included 246 subjects (121 in a G-CSF group and 125 in a control group). G-CSF administration significantly improved the 1-, 2-, and 3-month survival rates in patients with ACLF. The pooled RRs (95% CI, P) were 0.43 (0.27-0.69, P=.0004), 0.44 (0.32-0.62, P<.00001), and 0.39 (0.22-0.68, P=.0009), respectively. CONCLUSION G-CSF may be beneficial and effective in the treatment of ACLF, but further studies are needed to verify this conclusion. LIMITATIONS The sample size was small, and studies were restricted to countries in Asia. PROSPERO REGISTRATION NUMBER CRD42021225681 CONFLICT OF INTEREST: None.
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Affiliation(s)
- Wei Huang
- From the Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China
| | - Yuanji Ma
- From the Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China
| | - Lingyao Du
- From the Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China
| | - Shuang Kang
- From the Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China
| | - Chang-Hai Liu
- From the Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China
| | - Lang Bai
- From the Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China
| | - Xuezhong Lei
- From the Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China
| | - Hong Tang
- From the Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China
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Uludag K, Arikan T. Longitudinal effects of modified creatinine index on all-cause mortality in individuals receiving hemodialysis treatment. Ann Saudi Med 2021; 41:361-368. [PMID: 34873933 PMCID: PMC8650593 DOI: 10.5144/0256-4947.2021.361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND The modified creatinine index (mCI), as a surrogate marker of muscle mass, has been associated with poor outcomes in patients undergoing hemodialysis. However, a single assessment may not reflect the clinical significance before an adverse clinical endpoint. OBJECTIVE Analyze mCI trajectories and their association with all-cause mortality in incident hemodialysis patients. DESIGN Retrospective observational cohort. SETTING Outpatient dialysis facility. PATIENTS AND METHODS We followed a cohort of patients who underwent maintenance hemodialysis treatment at least three times weekly for at least three months from 19 June 2010 to 29 December 2017. Clinical and laboratory features were measured at baseline. Longitudinal changes in the mCI were modeled using a joint longitudinal and survival model adjusted for baseline covariates and body mass index trajectories. MAIN OUTCOME MEASURE All-cause mortality. SAMPLE SIZE 408 with 208 males (50.7%). RESULTS The mean (SD) age was 62.2 (12.3) years. The mCI changes were evaluated for a median (interquartile range) follow-up of 2.16 (1.13, 3.73) years. Forty-six percent (n=188) of patients reached the endpoint. A steeper slope (per 0.1 unit increase in the decrease rate) in modified creatinine index was associated with increased risk of all-cause mortality (HR, 1.04; 95% CI, 1.02-1.07; P=.011). In addition, an annual 1 mg/kg/day decrease in modified creatinine index level increased the hazard of all-cause mortality by 4% (HR, 1.04; 95% CI, 1.02-1.07; P=.001). LIMITATIONS Residual kidney function was not observed in the data. Setting was single center and thus results may not be generalizable to other populations. CONCLUSION All-cause death was significantly associated with loss of muscle mass over time. Longitudinal trajectories of nutritional markers may predict the clinical outcomes in patients undergoing hemodialysis. This may also be valuable for individual risk stratification. Furthermore, early management may provide an opportunity to improve patient survival. CONFLICT OF INTEREST None.
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Affiliation(s)
- Koray Uludag
- From the Department of Nephrology, Kayseri City Education and Research Hospital, Kayseri, Turkey
| | - Tamer Arikan
- From the Department of Nephrology, Kayseri City Education and Research Hospital, Kayseri, Turkey
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132
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Huang W, Han N, Du L, Wang M, Chen L, Tang H. A narrative review of liver regeneration-from models to molecular basis. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1705. [PMID: 34988214 PMCID: PMC8667151 DOI: 10.21037/atm-21-5234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 11/04/2021] [Indexed: 12/11/2022]
Abstract
Objective To elucidate the characteristics of different liver regeneration animal models, understand the activation signals and mechanisms related to liver regeneration, and obtain a more comprehensive conception of the entire liver regeneration process. Background Liver regeneration is one of the most enigmatic and fascinating phenomena of the human organism. Despite suffering significant injuries, the liver still can continue to perform its complex functions through the regeneration system. Although advanced topics on liver regeneration have been proposed; unfortunately, complete regeneration of the liver has not been achieved until now. Therefore, increasing understanding of the liver regenerative process can help improve our treatment of liver failure. It will provide a new sight for the treatment of patients with liver injury in the clinic. Methods Literatures on liver regeneration animal models and involved basic research on molecular mechanisms were retrieved to analyze the characteristics of different models and those related to molecular basis. Conclusions The process of liver regeneration is complex and intricate, consisting of various and interactive pathways. There is sufficient evidence to demonstrate that liver regeneration is similar between humans and rodents. At the same time, many of the same cytokines, growth factors, and signaling pathways are relevant. There are many gaps in our current knowledge. Understanding of this knowledge will provide more supportive clinical treatment strategies, including small-scale liver transplantation and high-quality regenerative process after surgical resection, and offer possible targets to treat the dysregulation of regeneration that occurs in chronic hepatic diseases and tumors. Current research work, such as the use of animal models as in vivo vectors for high-quality human hepatocytes, represents a unique and significant cutting edge in the field of liver regeneration.
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Affiliation(s)
- Wei Huang
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Ning Han
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Lingyao Du
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Ming Wang
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Liyu Chen
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Hong Tang
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
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Campreciós G, Ruart M, Anton A, Suárez-Herrera N, Montironi C, Martínez C, Jiménez N, Lafoz E, García-Calderó H, Vilaseca M, Magaz M, Coll M, Graupera I, Friedman SL, García-Pagán JC, Hernández-Gea V. Spermidine Supplementation Protects the Liver Endothelium from Liver Damage in Mice. Nutrients 2021; 13:3700. [PMID: 34835956 PMCID: PMC8617984 DOI: 10.3390/nu13113700] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/14/2021] [Accepted: 10/17/2021] [Indexed: 01/18/2023] Open
Abstract
Chronic liver diseases are multifactorial and the need to develop effective therapies is high. Recent studies have shown the potential of ameliorating liver disease progression through protection of the liver endothelium. Polyamine spermidine (SPD) is a caloric restriction mimetic with autophagy-enhancing properties capable of prolonging lifespan and with a proven beneficial effect in cardiovascular disease in mice and humans. We evaluated the use of dietary supplementation with SPD in two models of liver disease (CCl4 and CDAAH diet). We analyzed the effect of SPD on endothelial dysfunction in vitro and in vivo. C57BL/6J mice were supplemented with SPD in the drinking water prior and concomitantly with CCl4 and CDAAH treatments. Endothelial autophagy deficient (Atg7endo) mice were also evaluated. Liver tissue was used to evaluate the impact of SPD prophylaxis on liver damage, endothelial dysfunction, oxidative stress, mitochondrial status, inflammation and liver fibrosis. SPD improved the endothelial response to oxidative injury in vitro and improved the liver endothelial phenotype and protected against liver injury in vivo. SPD reduced the overall liver oxidative stress and improved mitochondrial fitness. The absence of benefits in the Atg7endo mice suggests an autophagy-dependent effect of SPD. This study suggests SPD diet supplementation in early phases of disease protects the liver endothelium from oxidative stress and may be an attractive approach to modify the chronic liver disease course and halt fibrosis progression.
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Affiliation(s)
- Genís Campreciós
- Barcelona Hepatic Hemodynamic Laboratory, Hospital Clínic, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), 08036 Barcelona, Spain; (G.C.); (M.R.); (A.A.); (N.S.-H.); (E.L.); (H.G.-C.); (M.V.); (M.M.); (J.C.G.-P.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
- Centro de Investigación Biomédica Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
| | - Maria Ruart
- Barcelona Hepatic Hemodynamic Laboratory, Hospital Clínic, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), 08036 Barcelona, Spain; (G.C.); (M.R.); (A.A.); (N.S.-H.); (E.L.); (H.G.-C.); (M.V.); (M.M.); (J.C.G.-P.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
| | - Aina Anton
- Barcelona Hepatic Hemodynamic Laboratory, Hospital Clínic, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), 08036 Barcelona, Spain; (G.C.); (M.R.); (A.A.); (N.S.-H.); (E.L.); (H.G.-C.); (M.V.); (M.M.); (J.C.G.-P.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
| | - Nuria Suárez-Herrera
- Barcelona Hepatic Hemodynamic Laboratory, Hospital Clínic, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), 08036 Barcelona, Spain; (G.C.); (M.R.); (A.A.); (N.S.-H.); (E.L.); (H.G.-C.); (M.V.); (M.M.); (J.C.G.-P.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
| | - Carla Montironi
- Pathology Department, Hospital Clínic, 08036 Barcelona, Spain;
- Liver Cancer Translational Research Group, Liver Unit, IDIBAPS-Hospital Clínic, UB, 08036 Barcelona, Spain
| | - Celia Martínez
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
| | - Natalia Jiménez
- Liver Unit, Hospital Clínic de Barcelona, 08036 Barcelona, Spain;
| | - Erica Lafoz
- Barcelona Hepatic Hemodynamic Laboratory, Hospital Clínic, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), 08036 Barcelona, Spain; (G.C.); (M.R.); (A.A.); (N.S.-H.); (E.L.); (H.G.-C.); (M.V.); (M.M.); (J.C.G.-P.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
| | - Héctor García-Calderó
- Barcelona Hepatic Hemodynamic Laboratory, Hospital Clínic, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), 08036 Barcelona, Spain; (G.C.); (M.R.); (A.A.); (N.S.-H.); (E.L.); (H.G.-C.); (M.V.); (M.M.); (J.C.G.-P.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
- Centro de Investigación Biomédica Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
| | - Marina Vilaseca
- Barcelona Hepatic Hemodynamic Laboratory, Hospital Clínic, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), 08036 Barcelona, Spain; (G.C.); (M.R.); (A.A.); (N.S.-H.); (E.L.); (H.G.-C.); (M.V.); (M.M.); (J.C.G.-P.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
| | - Marta Magaz
- Barcelona Hepatic Hemodynamic Laboratory, Hospital Clínic, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), 08036 Barcelona, Spain; (G.C.); (M.R.); (A.A.); (N.S.-H.); (E.L.); (H.G.-C.); (M.V.); (M.M.); (J.C.G.-P.)
- Centro de Investigación Biomédica Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Liver Unit, Hospital Clínic de Barcelona, 08036 Barcelona, Spain;
| | - Mar Coll
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
- Centro de Investigación Biomédica Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Medicine Department, Faculty of Medicine, University of Barcelona, 08036 Barcelona, Spain
| | - Isabel Graupera
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
- Centro de Investigación Biomédica Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Liver Unit, Hospital Clínic de Barcelona, 08036 Barcelona, Spain;
- Medicine Department, Faculty of Medicine, University of Barcelona, 08036 Barcelona, Spain
| | - Scott L. Friedman
- Division of Liver Diseases, Icahn Medical School at Mount Sinai, New York, NY 10029, USA;
| | - Joan Carles García-Pagán
- Barcelona Hepatic Hemodynamic Laboratory, Hospital Clínic, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), 08036 Barcelona, Spain; (G.C.); (M.R.); (A.A.); (N.S.-H.); (E.L.); (H.G.-C.); (M.V.); (M.M.); (J.C.G.-P.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
- Centro de Investigación Biomédica Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Liver Unit, Hospital Clínic de Barcelona, 08036 Barcelona, Spain;
- Medicine Department, Faculty of Medicine, University of Barcelona, 08036 Barcelona, Spain
| | - Virginia Hernández-Gea
- Barcelona Hepatic Hemodynamic Laboratory, Hospital Clínic, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), 08036 Barcelona, Spain; (G.C.); (M.R.); (A.A.); (N.S.-H.); (E.L.); (H.G.-C.); (M.V.); (M.M.); (J.C.G.-P.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (C.M.); (M.C.); (I.G.)
- Centro de Investigación Biomédica Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Liver Unit, Hospital Clínic de Barcelona, 08036 Barcelona, Spain;
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134
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Koch PS, Sandorski K, Heil J, Schmid CD, Kürschner SW, Hoffmann J, Winkler M, Staniczek T, de la Torre C, Sticht C, Schledzewski K, Taketo MM, Trogisch FA, Heineke J, Géraud C, Goerdt S, Olsavszky V. Imbalanced Activation of Wnt-/β-Catenin-Signaling in Liver Endothelium Alters Normal Sinusoidal Differentiation. Front Physiol 2021; 12:722394. [PMID: 34658910 PMCID: PMC8511684 DOI: 10.3389/fphys.2021.722394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 08/19/2021] [Indexed: 01/20/2023] Open
Abstract
Endothelial wingless-related integration site (Wnt)-/β-catenin signaling is a key regulator of the tightly sealed blood–brain barrier. In the hepatic vascular niche angiokine-mediated Wnt signaling was recently identified as an important regulator of hepatocyte function, including the determination of final adult liver size, liver regeneration, and metabolic liver zonation. Within the hepatic vasculature, the liver sinusoidal endothelial cells (LSECs) are morphologically unique and functionally specialized microvascular endothelial cells (ECs). Pathological changes of LSECs are involved in chronic liver diseases, hepatocarcinogenesis, and liver metastasis. To comprehensively analyze the effects of endothelial Wnt-/β-catenin signaling in the liver, we used endothelial subtype-specific Clec4g-iCre mice to generate hepatic ECs with overexpression of Ctnnb1. In the resultant Clec4g-iCretg/wt;Ctnnb1(Ex3)fl/wt (Ctnnb1OE−EC) mice, activation of endothelial Wnt-/β-catenin signaling resulted in sinusoidal transdifferentiation with disturbed endothelial zonation, that is, loss of midzonal LSEC marker lymphatic vessel endothelial hyaluronic acid receptor 1 (Lyve1) and enrichment of continuous EC genes, such as cluster of differentiation (CD)34 and Apln. Notably, gene set enrichment analysis revealed overrepresentation of brain endothelial transcripts. Activation of endothelial Wnt-/β-catenin signaling did not induce liver fibrosis or alter metabolic liver zonation, but Ctnnb1OE−EC mice exhibited significantly increased plasma triglyceride concentrations, while liver lipid content was slightly reduced. Ctnnb1 overexpression in arterial ECs of the heart has been reported previously to cause cardiomyopathy. As Clec4g-iCre is active in a subset of cardiac ECs, it was not unexpected that Ctnnb1OE−EC mice showed reduced overall survival and cardiac dysfunction. Altogether, balanced endothelial Wnt-/β-catenin signaling in the liver is required for normal LSEC differentiation and for maintenance of normal plasma triglyceride levels.
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Affiliation(s)
- Philipp-Sebastian Koch
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Kajetan Sandorski
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Joschka Heil
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Christian D Schmid
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Sina W Kürschner
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Johannes Hoffmann
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Manuel Winkler
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Theresa Staniczek
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Carolina de la Torre
- Next Generation Sequencing Core Facility, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Carsten Sticht
- Next Generation Sequencing Core Facility, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Kai Schledzewski
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Makoto Mark Taketo
- Division of Experimental Therapeutics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Felix A Trogisch
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.,Department of Cardiovascular Physiology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Joerg Heineke
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.,Department of Cardiovascular Physiology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Cyrill Géraud
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.,Section of Clinical and Molecular Dermatology, Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Sergij Goerdt
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Victor Olsavszky
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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135
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Zhang H, Ma Y, Cheng X, Wu D, Huang X, Chen B, Ren Y, Jiang W, Tang X, Bai T, Chen Y, Zhao Y, Zhang C, Xiao X, Liu J, Deng Y, Ye T, Chen L, Liu HM, Friedman SL, Chen L, Ding BS, Cao Z. Targeting epigenetically maladapted vascular niche alleviates liver fibrosis in nonalcoholic steatohepatitis. Sci Transl Med 2021; 13:eabd1206. [PMID: 34613814 DOI: 10.1126/scitranslmed.abd1206] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
[Figure: see text].
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Affiliation(s)
- 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 610041, 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 610041, China
| | - Xinying Cheng
- 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 610041, China
| | - Dongbo Wu
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xingming 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 610041, China
| | - Bin Chen
- Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, 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 610041, China
| | - Wei Jiang
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xiaoqiang Tang
- 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 610041, China
| | - Ting Bai
- Department of Cardiology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, 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 610041, China
| | - Yilin Zhao
- 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 610041, China
| | - Chunxue 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 610041, China
| | - Xia Xiao
- 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 610041, China
| | - Jing Liu
- 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 610041, China
| | - Yue Deng
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing 100029, China
| | - Tinghong Ye
- 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 610041, China
| | - Lu 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 610041, China
| | - Han-Min Liu
- 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 610041, China
| | - Scott L Friedman
- Fibrosis Research Program, Division of Pulmonary and Critical Care Medicine, Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Liping Chen
- Department of Biliary Surgery, West China Hospital, Sichuan University, Chengdu 610041, 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 610041, China.,Fibrosis Research Program, Division of Pulmonary and Critical Care Medicine, Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.,Division of Regenerative Medicine, Weill Cornell Medicine, New York, NY 10065, 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 610041, China.,Fibrosis Research Program, Division of Pulmonary and Critical Care Medicine, Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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136
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Peng WC, Kraaier LJ, Kluiver TA. Hepatocyte organoids and cell transplantation: What the future holds. Exp Mol Med 2021; 53:1512-1528. [PMID: 34663941 PMCID: PMC8568948 DOI: 10.1038/s12276-021-00579-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 01/11/2021] [Accepted: 01/14/2021] [Indexed: 12/29/2022] Open
Abstract
Historically, primary hepatocytes have been difficult to expand or maintain in vitro. In this review, we will focus on recent advances in establishing hepatocyte organoids and their potential applications in regenerative medicine. First, we provide a background on the renewal of hepatocytes in the homeostatic as well as the injured liver. Next, we describe strategies for establishing primary hepatocyte organoids derived from either adult or fetal liver based on insights from signaling pathways regulating hepatocyte renewal in vivo. The characteristics of these organoids will be described herein. Notably, hepatocyte organoids can adopt either a proliferative or a metabolic state, depending on the culture conditions. Furthermore, the metabolic gene expression profile can be modulated based on the principles that govern liver zonation. Finally, we discuss the suitability of cell replacement therapy to treat different types of liver diseases and the current state of cell transplantation of in vitro-expanded hepatocytes in mouse models. In addition, we provide insights into how the regenerative microenvironment in the injured host liver may facilitate donor hepatocyte repopulation. In summary, transplantation of in vitro-expanded hepatocytes holds great potential for large-scale clinical application to treat liver diseases.
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Affiliation(s)
- Weng Chuan Peng
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS, Utrecht, The Netherlands.
| | - Lianne J Kraaier
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS, Utrecht, The Netherlands
| | - Thomas A Kluiver
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS, Utrecht, The Netherlands
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137
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Redder E, Kirschnick N, Bobe S, Hägerling R, Hansmeier NR, Kiefer F. Vegfr3-tdTomato, a reporter mouse for microscopic visualization of lymphatic vessel by multiple modalities. PLoS One 2021; 16:e0249256. [PMID: 34543279 PMCID: PMC8452004 DOI: 10.1371/journal.pone.0249256] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 09/06/2021] [Indexed: 12/24/2022] Open
Abstract
Lymphatic vessels are indispensable for tissue fluid homeostasis, transport of solutes and dietary lipids and immune cell trafficking. In contrast to blood vessels, which are easily visible by their erythrocyte cargo, lymphatic vessels are not readily detected in the tissue context. Their invisibility interferes with the analysis of the three-dimensional lymph vessel structure in large tissue volumes and hampers dynamic intravital studies on lymphatic function and pathofunction. An approach to overcome these limitations are mouse models, which express transgenic fluorescent proteins under the control of tissue-specific promotor elements. We introduce here the BAC-transgenic mouse reporter strain Vegfr3-tdTomato that expresses a membrane-tagged version of tdTomato under control of Flt4 regulatory elements. Vegfr3-tdTomato mice inherited the reporter in a mendelian fashion and showed selective and stable fluorescence in the lymphatic vessels of multiple organs tested, including lung, kidney, heart, diaphragm, intestine, mesentery, liver and dermis. In this model, tdTomato expression was sufficient for direct visualisation of lymphatic vessels by epifluorescence microscopy. Furthermore, lymph vessels were readily visualized using a number of microscopic modalities including confocal laser scanning, light sheet fluorescence and two-photon microscopy. Due to the early onset of VEGFR-3 expression in venous embryonic vessels and the short maturation time of tdTomato, this reporter offers an interesting alternative to Prox1-promoter driven lymphatic reporter mice for instance to study the developmental differentiation of venous to lymphatic endothelial cells.
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Affiliation(s)
- Esther Redder
- European Institute of Molecular Imaging, University of Münster, Münster, Germany
- Max Planck Institute for Molecular Biomedicine, Münster, Germany
| | - Nils Kirschnick
- European Institute of Molecular Imaging, University of Münster, Münster, Germany
- Max Planck Institute for Molecular Biomedicine, Münster, Germany
| | - Stefanie Bobe
- European Institute of Molecular Imaging, University of Münster, Münster, Germany
- Max Planck Institute for Molecular Biomedicine, Münster, Germany
| | - René Hägerling
- Max Planck Institute for Molecular Biomedicine, Münster, Germany
| | | | - Friedemann Kiefer
- European Institute of Molecular Imaging, University of Münster, Münster, Germany
- Max Planck Institute for Molecular Biomedicine, Münster, Germany
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138
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Chen Z, Shen G, Tan X, Qu L, Zhang C, Ma L, Luo P, Cao X, Yang F, Liu Y, Wang Y, Shi C. ID1/ID3 mediate the contribution of skin fibroblasts to local nerve regeneration through Itga6 in wound repair. Stem Cells Transl Med 2021; 10:1637-1649. [PMID: 34520124 PMCID: PMC8641086 DOI: 10.1002/sctm.21-0093] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 07/28/2021] [Accepted: 08/21/2021] [Indexed: 12/17/2022] Open
Abstract
Cutaneous wound healing requires intricate synchronization of several key processes. Among them, local nerve regeneration is known to be vitally important for proper repair. However, the underlying mechanisms of local nerve regeneration are still unclear. Fibroblasts are one of the key cell types within the skin whose role in local nerve regeneration has not been extensively studied. In our study, we found skin fibroblasts were in tight contact with regenerated nerves during wound healing, while rare interactions were shown under normal circumstances. Moreover, skin fibroblasts surrounding the nerves were shown to be activated and reprogrammed to exhibit neural cell‐like properties by upregulated expressing inhibitor of DNA binding 1 (ID1) and ID3. Furthermore, we identified the regulation of integrin α6 (Itga6) by ID1/ID3 in fibroblasts as the mechanism for axon guidance. Accordingly, transplantation of the ID1/ID3‐overexpressing fibroblasts or topical injection of ID1/ID3 lentivirus significantly promoted local nerve regeneration and wound healing following skin excision or sciatic nerve injury. Therefore, we demonstrated a new role for skin fibroblasts in nerve regeneration following local injury by directly contacting and guiding axon regrowth, which might hold therapeutic potential in peripheral nerve disorders and peripheral neuropathies in relatively chronic refractory wounds.
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Affiliation(s)
- Zelin Chen
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Gufang Shen
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Xu Tan
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Langfan Qu
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Can Zhang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Le Ma
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Peng Luo
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Xiaohui Cao
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Fan Yang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Yunsheng Liu
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Yu Wang
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
| | - Chunmeng Shi
- Institute of Rocket Force Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Army Medical University, Chongqing, People's Republic of China
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139
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The endothelium-bone axis in development, homeostasis and bone and joint disease. Nat Rev Rheumatol 2021; 17:608-620. [PMID: 34480164 DOI: 10.1038/s41584-021-00682-3] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/30/2021] [Indexed: 01/20/2023]
Abstract
Blood vessels form a versatile transport network that is best known for its critical roles in processes such as tissue oxygenation, metabolism and immune surveillance. The vasculature also provides local, often organ-specific, molecular signals that control the behaviour of other cell types in their vicinity during development, homeostasis and regeneration, and also in disease processes. In the skeletal system, the local vasculature is actively involved in both bone formation and resorption. In addition, blood vessels participate in inflammatory processes and contribute to the pathogenesis of diseases that affect the joints, such as rheumatoid arthritis and osteoarthritis. This Review summarizes the current understanding of the architecture, angiogenic growth and functional properties of the bone vasculature. The effects of ageing and pathological conditions, including arthritis and osteoporosis, are also discussed.
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140
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Kordes C, Bock HH, Reichert D, May P, Häussinger D. Hepatic stellate cells: current state and open questions. Biol Chem 2021; 402:1021-1032. [PMID: 34008380 DOI: 10.1515/hsz-2021-0180] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 05/03/2021] [Indexed: 01/14/2023]
Abstract
This review article summarizes 20 years of our research on hepatic stellate cells within the framework of two collaborative research centers CRC575 and CRC974 at the Heinrich Heine University. Over this period, stellate cells were identified for the first time as mesenchymal stem cells of the liver, and important functions of these cells in the context of liver regeneration were discovered. Furthermore, it was determined that the space of Disse - bounded by the sinusoidal endothelium and hepatocytes - functions as a stem cell niche for stellate cells. Essential elements of this niche that control the maintenance of hepatic stellate cells have been identified alongside their impairment with age. This article aims to highlight previous studies on stellate cells and critically examine and identify open questions and future research directions.
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Affiliation(s)
- Claus Kordes
- Clinic of Gastroenterology, Hepatology, and Infectious Diseases, Heinrich Heine University, Moorenstraße 5, D-40225 Düsseldorf, Germany
| | - Hans H Bock
- Clinic of Gastroenterology, Hepatology, and Infectious Diseases, Heinrich Heine University, Moorenstraße 5, D-40225 Düsseldorf, Germany
| | - Doreen Reichert
- Clinic of Gastroenterology, Hepatology, and Infectious Diseases, Heinrich Heine University, Moorenstraße 5, D-40225 Düsseldorf, Germany
| | - Petra May
- Clinic of Gastroenterology, Hepatology, and Infectious Diseases, Heinrich Heine University, Moorenstraße 5, D-40225 Düsseldorf, Germany
| | - Dieter Häussinger
- Clinic of Gastroenterology, Hepatology, and Infectious Diseases, Heinrich Heine University, Moorenstraße 5, D-40225 Düsseldorf, Germany
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141
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Große-Segerath L, Lammert E. Role of vasodilation in liver regeneration and health. Biol Chem 2021; 402:1009-1019. [PMID: 33908220 DOI: 10.1515/hsz-2021-0155] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/12/2021] [Indexed: 12/14/2022]
Abstract
Recently, we have shown that an enhanced blood flow through the liver triggers hepatocyte proliferation and thereby liver growth. In this review, we first explain the literature on hepatic blood flow and its changes after partial hepatectomy (PHx), before we present the different steps of liver regeneration that take place right after the initial hemodynamic changes induced by PHx. Those parts of the molecular mechanisms governing liver regeneration, which are directly associated with the hepatic vascular system, are subsequently reviewed. These include β1 integrin-dependent mechanotransduction in liver sinusoidal endothelial cells (LSECs), triggering mechanically-induced activation of the vascular endothelial growth factor receptor-3 (VEGFR3) and matrix metalloproteinase-9 (MMP9) as well as release of growth-promoting angiocrine signals. Finally, we speculate how advanced age and obesity negatively affect the hepatic vasculature and thus liver regeneration and health, and we conclude our review with some recent technical progress in the clinic that employs liver perfusion. In sum, the mechano-elastic properties and alterations of the hepatic vasculature are key to better understand and influence liver health, regeneration, and disease.
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Affiliation(s)
- Linda Große-Segerath
- Institute of Metabolic Physiology, Heinrich Heine University, D-40225 Düsseldorf, Germany
- Institute for Vascular and Islet Cell Biology, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research at Heinrich Heine University, D-40225 Düsseldorf, Germany
- German Center for Diabetes Research (DZD e.V.), Helmholtz Zentrum München, D-85764 Neuherberg, Germany
| | - Eckhard Lammert
- Institute of Metabolic Physiology, Heinrich Heine University, D-40225 Düsseldorf, Germany
- Institute for Vascular and Islet Cell Biology, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research at Heinrich Heine University, D-40225 Düsseldorf, Germany
- German Center for Diabetes Research (DZD e.V.), Helmholtz Zentrum München, D-85764 Neuherberg, Germany
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142
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Otaka F, Ito Y, Goto T, Kojo K, Tanabe M, Hosono K, Majima M, Koizumi W, Amano H. Recovery of Liver Sinusoidal Endothelial Cells Following Monocrotaline-induced Liver Injury. In Vivo 2021; 35:2577-2587. [PMID: 34410945 DOI: 10.21873/invivo.12540] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/21/2021] [Accepted: 06/25/2021] [Indexed: 12/31/2022]
Abstract
BACKGROUND/AIM Although the pathology of sinusoidal obstruction syndrome (SOS) is characterized by damage to liver sinusoidal endothelial cells (LSECs), the processes underlying LSEC repair are incompletely understood. The angiopoietin (Ang)/Tie system contributes to angiogenesis. The present study aimed to examine the processes of LSEC repair and the involvement of the Ang/Tie pathway in LSEC recovery. MATERIALS AND METHODS Experimentally, SOS was induced by intraperitoneal injection of monocrotaline (MCT) to C57/BL6 mice. RESULTS Levels of LSEC markers were up-regulated during the repair phase of MCT-induced hepatotoxicity. The damaged LSECs recovered from the injury by expanding LSECs expressing lymphatic vessel endothelial hyaluronan receptor-1 (LYVE-1) in the peri-central area of MCT-injured livers, while LSECs in the same area of uninjured livers lacked LYVE-1 expression. Bone marrow (BM)-derived cells did not incorporate into the restored LSECs. Tie2 expression was related to LSEC recovery in MCT-injured liver tissue. CONCLUSION The resident LSECs neighboring uninjured tissue replace damaged LSECs in MCT-injured livers. Tie2 is involved in LSEC recovery from MCT-induced hepatotoxicity.
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Affiliation(s)
- Fumisato Otaka
- Department of Molecular Pharmacology, Graduate School of Medical Sciences, Kitasato University, Sagamihara, Japan.,Department of Pharmacology, Kitasato University School of Medicine, Sagamihara, Japan.,Department of Gastroenterology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Yoshiya Ito
- Department of Molecular Pharmacology, Graduate School of Medical Sciences, Kitasato University, Sagamihara, Japan; .,Department of Pharmacology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Takuya Goto
- Department of Molecular Pharmacology, Graduate School of Medical Sciences, Kitasato University, Sagamihara, Japan.,Department of Pharmacology, Kitasato University School of Medicine, Sagamihara, Japan.,Department of Surgery, Kitasato University School of Medicine, Sagamihara, Japan
| | - Ken Kojo
- Department of Surgery, Kitasato University School of Medicine, Sagamihara, Japan
| | - Mina Tanabe
- Department of Molecular Pharmacology, Graduate School of Medical Sciences, Kitasato University, Sagamihara, Japan.,Department of Pharmacology, Kitasato University School of Medicine, Sagamihara, Japan.,Department of Gastroenterology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Kanako Hosono
- Department of Molecular Pharmacology, Graduate School of Medical Sciences, Kitasato University, Sagamihara, Japan.,Department of Pharmacology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Masataka Majima
- Department of Molecular Pharmacology, Graduate School of Medical Sciences, Kitasato University, Sagamihara, Japan.,Department of Pharmacology, Kitasato University School of Medicine, Sagamihara, Japan.,Department of Medical Therapeutics, Kanagawa Institute of Technology, Atsugi, Japan
| | - Wasaburo Koizumi
- Department of Gastroenterology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Hideki Amano
- Department of Molecular Pharmacology, Graduate School of Medical Sciences, Kitasato University, Sagamihara, Japan.,Department of Pharmacology, Kitasato University School of Medicine, Sagamihara, Japan
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143
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Tripathi DM, Rohilla S, Kaur I, Siddiqui H, Rawal P, Juneja P, Kumar V, Kumari A, Naidu VGM, Ramakrishna S, Banerjee S, Puria R, Sarin SK, Kaur S. Immunonano-Lipocarrier-Mediated Liver Sinusoidal Endothelial Cell-Specific RUNX1 Inhibition Impedes Immune Cell Infiltration and Hepatic Inflammation in Murine Model of NASH. Int J Mol Sci 2021; 22:ijms22168489. [PMID: 34445195 PMCID: PMC8395158 DOI: 10.3390/ijms22168489] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/17/2021] [Accepted: 05/19/2021] [Indexed: 12/12/2022] Open
Abstract
Background: Runt-related transcription factor (RUNX1) regulates inflammation in non-alcoholic steatohepatitis (NASH). Methods: We performed in vivo targeted silencing of the RUNX1 gene in liver sinusoidal endothelial cells (LSECs) by using vegfr3 antibody tagged immunonano-lipocarriers encapsulated RUNX1 siRNA (RUNX1 siRNA) in murine models of methionine choline deficient (MCD) diet-induced NASH. MCD mice given nanolipocarriers-encapsulated negative siRNA were vehicle, and mice with standard diet were controls. Results: Liver RUNX1 expression was increased in the LSECs of MCD mice in comparison to controls. RUNX1 protein expression was decreased by 40% in CD31-positive LSECs of RUNX1 siRNA mice in comparison to vehicle, resulting in the downregulation of adhesion molecules, ICAM1 expression, and VCAM1 expression in LSECs. There was a marked decrease in infiltrated T cells and myeloid cells along with reduced inflammatory cytokines in the liver of RUNX1 siRNA mice as compared to that observed in the vehicle. Conclusions: In vivo LSEC-specific silencing of RUNX1 using immunonano-lipocarriers encapsulated siRNA effectively reduces its expression of adhesion molecules, infiltrate on of immune cells in liver, and inflammation in NASH.
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Affiliation(s)
- Dinesh Mani Tripathi
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi 110070, India; (D.M.T.); (I.K.); (H.S.); (P.J.); (A.K.); (S.K.S.)
| | - Sumati Rohilla
- School of Biotechnology, Gautam Buddha University, Greater Noida 201312, India; (S.R.); (P.R.); (R.P.)
| | - Impreet Kaur
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi 110070, India; (D.M.T.); (I.K.); (H.S.); (P.J.); (A.K.); (S.K.S.)
| | - Hamda Siddiqui
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi 110070, India; (D.M.T.); (I.K.); (H.S.); (P.J.); (A.K.); (S.K.S.)
| | - Preety Rawal
- School of Biotechnology, Gautam Buddha University, Greater Noida 201312, India; (S.R.); (P.R.); (R.P.)
| | - Pinky Juneja
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi 110070, India; (D.M.T.); (I.K.); (H.S.); (P.J.); (A.K.); (S.K.S.)
| | - Vikash Kumar
- Stem Cell Biology Laboratory, National Institute of Immunology, New Delhi 110067, India;
| | - Anupama Kumari
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi 110070, India; (D.M.T.); (I.K.); (H.S.); (P.J.); (A.K.); (S.K.S.)
| | - Vegi Ganga Modi Naidu
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Guwahati 781122, India; (V.G.M.N.); (S.B.)
| | - Seeram Ramakrishna
- Department of Mechanical Engineering, National University of Singapore, Singapore 117575, Singapore;
| | - Subham Banerjee
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Guwahati 781122, India; (V.G.M.N.); (S.B.)
| | - Rekha Puria
- School of Biotechnology, Gautam Buddha University, Greater Noida 201312, India; (S.R.); (P.R.); (R.P.)
| | - Shiv K. Sarin
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi 110070, India; (D.M.T.); (I.K.); (H.S.); (P.J.); (A.K.); (S.K.S.)
- Department of Hepatology, Institute of Liver and Biliary Sciences, New Delhi 110070, India
| | - Savneet Kaur
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences, New Delhi 110070, India; (D.M.T.); (I.K.); (H.S.); (P.J.); (A.K.); (S.K.S.)
- Correspondence:
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Ngo MT, Karvelis E, Harley BAC. Multidimensional hydrogel models reveal endothelial network angiocrine signals increase glioblastoma cell number, invasion, and temozolomide resistance. Integr Biol (Camb) 2021; 12:139-149. [PMID: 32507878 DOI: 10.1093/intbio/zyaa010] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 04/07/2020] [Accepted: 04/08/2020] [Indexed: 11/13/2022]
Abstract
Glioblastoma (GBM) is the most common primary malignant brain tumor. The tissue microenvironment adjacent to vasculature, termed the perivascular niche, has been implicated in promoting biological processes involved in glioblastoma progression such as invasion, proliferation, and therapeutic resistance. However, the exact nature of the cues that support tumor cell aggression in this niche is largely unknown. Soluble angiocrine factors secreted by tumor-associated vasculature have been shown to support such behaviors in other cancer types. Here, we exploit macroscopic and microfluidic gelatin hydrogel platforms to profile angiocrine factors secreted by self-assembled endothelial networks and evaluate their relevance to glioblastoma biology. Aggregate angiocrine factors support increases in U87-MG cell number, migration, and therapeutic resistance to temozolomide. We also identify a novel role for TIMP1 in facilitating glioblastoma tumor cell migration. Overall, this work highlights the use of multidimensional hydrogel models to evaluate the role of angiocrine signals in glioblastoma progression.
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Affiliation(s)
- Mai T Ngo
- Dept. Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Elijah Karvelis
- Dept. Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Brendan A C Harley
- Dept. Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA.,Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, IL, USA
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145
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De Rudder M, Dili A, Stärkel P, Leclercq IA. Critical Role of LSEC in Post-Hepatectomy Liver Regeneration and Failure. Int J Mol Sci 2021; 22:8053. [PMID: 34360818 PMCID: PMC8347197 DOI: 10.3390/ijms22158053] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/20/2021] [Accepted: 07/24/2021] [Indexed: 02/07/2023] Open
Abstract
Liver sinusoids are lined by liver sinusoidal endothelial cells (LSEC), which represent approximately 15 to 20% of the liver cells, but only 3% of the total liver volume. LSEC have unique functions, such as fluid filtration, blood vessel tone modulation, blood clotting, inflammatory cell recruitment, and metabolite and hormone trafficking. Different subtypes of liver endothelial cells are also known to control liver zonation and hepatocyte function. Here, we have reviewed the origin of LSEC, the different subtypes identified in the liver, as well as their renewal during homeostasis. The liver has the exceptional ability to regenerate from small remnants. The past decades have seen increasing awareness in the role of non-parenchymal cells in liver regeneration despite not being the most represented population. While a lot of knowledge has emerged, clarification is needed regarding the role of LSEC in sensing shear stress and on their participation in the inductive phase of regeneration by priming the hepatocytes and delivering mitogenic factors. It is also unclear if bone marrow-derived LSEC participate in the proliferative phase of liver regeneration. Similarly, data are scarce as to LSEC having a role in the termination phase of the regeneration process. Here, we review what is known about the interaction between LSEC and other liver cells during the different phases of liver regeneration. We next explain extended hepatectomy and small liver transplantation, which lead to "small for size syndrome" (SFSS), a lethal liver failure. SFSS is linked to endothelial denudation, necrosis, and lobular disturbance. Using the knowledge learned from partial hepatectomy studies on LSEC, we expose several techniques that are, or could be, used to avoid the "small for size syndrome" after extended hepatectomy or small liver transplantation.
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Affiliation(s)
- Maxime De Rudder
- Laboratory of Hepato-Gastroenterology, Institute of Experimental and Clinical Research, UCLouvain, 1200 Brussels, Belgium; (M.D.R.); (A.D.); (P.S.)
| | - Alexandra Dili
- Laboratory of Hepato-Gastroenterology, Institute of Experimental and Clinical Research, UCLouvain, 1200 Brussels, Belgium; (M.D.R.); (A.D.); (P.S.)
- HPB Surgery Unit, Centre Hospitalier Universitaire UCL Namur, Site Mont-Godinne, 5530 Yvoir, Belgium
| | - Peter Stärkel
- Laboratory of Hepato-Gastroenterology, Institute of Experimental and Clinical Research, UCLouvain, 1200 Brussels, Belgium; (M.D.R.); (A.D.); (P.S.)
- Department of Hepato-Gastroenterology, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Isabelle A. Leclercq
- Laboratory of Hepato-Gastroenterology, Institute of Experimental and Clinical Research, UCLouvain, 1200 Brussels, Belgium; (M.D.R.); (A.D.); (P.S.)
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146
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Li M, Qian M, Kyler K, Xu J. Adipose Tissue-Endothelial Cell Interactions in Obesity-Induced Endothelial Dysfunction. Front Cardiovasc Med 2021; 8:681581. [PMID: 34277732 PMCID: PMC8282205 DOI: 10.3389/fcvm.2021.681581] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 06/01/2021] [Indexed: 12/15/2022] Open
Abstract
Obesity has a strong impact on the pathogenesis of cardiovascular disease, which raises enthusiasm to understand how excess adiposity causes vascular injury. Adipose tissue is an essential regulator of cardiovascular system through its endocrine and paracrine bioactive products. Obesity induces endothelial dysfunction, which often precedes and leads to the development of cardiovascular diseases. Connecting adipose tissue-endothelial cell interplay to endothelial dysfunction may help us to better understand obesity-induced cardiovascular disease. This Mini Review discussed (1) the general interactions and obesity-induced endothelial dysfunction, (2) potential targets, and (3) the outstanding questions for future research.
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Affiliation(s)
- Manna Li
- Department of Medicine, Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma, OK, United States
| | - Ming Qian
- Department of Medicine, Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma, OK, United States
| | - Kathy Kyler
- Office of Research Administration, University of Oklahoma Health Sciences Center, Oklahoma, OK, United States
| | - Jian Xu
- Department of Medicine, Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma, OK, United States
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147
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Ibrahim SH. Sinusoidal endotheliopathy in nonalcoholic steatohepatitis: therapeutic implications. Am J Physiol Gastrointest Liver Physiol 2021; 321:G67-G74. [PMID: 34037463 PMCID: PMC8321796 DOI: 10.1152/ajpgi.00009.2021] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Liver sinusoidal endothelial cells (LSECs) are distinct subtypes of endothelial cells lining a low flow vascular bed at the interface of the liver parenchyma and the circulating immune cells and soluble factors. Emerging literature implicates LSEC in the pathogenesis and progression of nonalcoholic fatty liver disease (NAFLD). During the evolution of NAFLD, LSEC dysfunction ensues. LSECs undergo morphological and functional transformation known as "capillarization," as well as a pathogenic increase in surface adhesion molecules expression, referred to in this review as "endotheliopathy." LSECs govern the composition of hepatic immune cell populations in nonalcoholic steatohepatis (NASH) by mediating leukocyte subset adhesion through specific combinations of activated adhesion molecules and secreted chemokines. Moreover, extracellular vesicles released by hepatocyte under lipotoxic stress in NASH act as a catalyst for the inflammatory response and promote immune cell chemotaxis and adhesion. In the current review, we highlight leukocyte adhesion to LSEC as an initiating event in the sterile inflammatory response in NASH. We discuss preclinical studies targeting immune cells adhesion in NASH mouse models and potential therapeutic anti-inflammatory strategies for human NASH.
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Affiliation(s)
- Samar H. Ibrahim
- 1Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, Minnesota,2Division of Pediatric Gastroenterology, Mayo Clinic, Rochester, Minnesota
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148
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Baiocchi L, Glaser S, Francis H, Kennedy L, Felli E, Alpini G, Gracia-Sancho J. Impact of Aging on Liver Cells and Liver Disease: Focus on the Biliary and Vascular Compartments. Hepatol Commun 2021; 5:1125-1137. [PMID: 34278165 PMCID: PMC8279468 DOI: 10.1002/hep4.1725] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/26/2021] [Accepted: 03/16/2021] [Indexed: 12/11/2022] Open
Abstract
The aging process is represented by the time-dependent decay in physiologic functions of living beings. Major interest has been focused in recent years on the determinants of this progressive condition due to its correlative relationship with the onset of diseases. Several hallmark features have been observed in aging, such as genetic alterations, mitochondrial impairment, and telomere shortening. At the cellular level, a senescent phenotype has been identified in response to aging that is characterized by a flat appearance, proliferative arrest, and production of specific molecules. The net effect of these cells in the course of diseases is an argument of debate. In fact, while the onset of a senescent phenotype may prevent tumor spreading, these cells appear to support pathological processes in some conditions. Several studies are now focused on clarifying the specific molecular pathways of aging/senescence in different cells, tissues, or organs. Biliary and vascular components, within the liver, have emerged as important determinants of some form of liver disease. In this review we summarize the most recent achievements on aging/senescence, focusing on the biliary and vascular liver system. Conclusion: Several findings, in both preclinical animal models and on human liver specimens, converge in supporting the presence of specific aging hallmarks in the diseases involving these hepatic compartments.
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Affiliation(s)
- Leonardo Baiocchi
- Hepatology UnitDepartment of MedicineUniversity of Tor VergataRomeItaly
| | - Shannon Glaser
- Medical PhysiologyTexas A&M College of MedicineBryanTXUSA
| | - Heather Francis
- Hepatology and MedicineIndiana UniversityIndianapolisINUSA.,Richard L. Roudebush VA Medical CenterIndianapolisINUSA
| | - Lindsey Kennedy
- Hepatology and MedicineIndiana UniversityIndianapolisINUSA.,Richard L. Roudebush VA Medical CenterIndianapolisINUSA
| | - Eric Felli
- HepatologyDepartment of Biomedical ResearchInselspitalBernSwitzerland
| | - Gianfranco Alpini
- Hepatology and MedicineIndiana UniversityIndianapolisINUSA.,Richard L. Roudebush VA Medical CenterIndianapolisINUSA
| | - Jordi Gracia-Sancho
- Liver Vascular BiologyIDIBAPS Biomedical Research Institute and CIBEREHDBarcelonaSpain.,HepatologyDepartment of Biomedical ResearchInselspitalBernSwitzerland
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149
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Danoy M, Jellali R, Tauran Y, Bruce J, Leduc M, Gilard F, Gakière B, Scheidecker B, Kido T, Miyajima A, Soncin F, Sakai Y, Leclerc E. Characterization of the proteome and metabolome of human liver sinusoidal endothelial-like cells derived from induced pluripotent stem cells. Differentiation 2021; 120:28-35. [PMID: 34229994 DOI: 10.1016/j.diff.2021.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/11/2021] [Accepted: 06/27/2021] [Indexed: 01/22/2023]
Abstract
The liver is a complex organ composed of several cell types organized hierarchically. Among these, liver sinusoidal endothelial cells (LSECs) are specialized vascular cells known to interact with hepatocytes and hepatic stellate cells (HSCs), and to be involved in the regulation of important hepatic processes in healthy and pathological situations. Protocols for the differentiation of LSECs from human induced pluripotent stem cells, hiPSCs, have been proposed and in-depth analysis by transcriptomic profiling of those cells has been performed. In the present work, an extended analysis of those cells in terms of proteome and metabolome has been implemented. The proteomic analysis confirmed the expression of important endothelial markers and pathways. Among them, the expression of patterns typical of LSECs such as PECAM1, VWF, LYVE1, STAB1 (endothelial markers), CDH13, CDH5, CLDN5, ICAM1, MCAM-CD146, ICAM2, ESAM (endothelial cytoskeleton), NOSTRIN, NOS3 (Nitric Oxide endothelial ROS), ESM1, ENG, MMRN2, THBS1, ANGPT2 (angiogenesis), CD93, MRC1 (mannose receptor), CLEC14A (C-type lectin), CD40 (antigen), and ERG (transcription factor) was highlighted. Besides, the pathway analysis revealed the enrichment of the endocytosis, Toll-like receptor, Nod-like receptor, Wnt, Apelin, VEGF, cGMP-PCK, and PPAR related signaling pathways. Other important pathways such as vasopressin regulated water reabsorption, fluid shear stress, relaxin signaling, and renin secretion were also highlighted. At confluence, the metabolome profile appeared consistent with quiescent endothelial cell patterns. The integration of both proteome and metabolome datasets revealed a switch from fatty acid synthesis in undifferentiated hiPSCs to a fatty oxidation in LSECs and activation of the pentose phosphate pathway and polyamine metabolism in hiPSCs-derived LSECs. In conclusion, the comparison between the signature of LSECs differentiated following the protocol described in this work, and data found in the literature confirmed the particular relevance of these cells for future in vitro applications.
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Affiliation(s)
- Mathieu Danoy
- CNRS UMI 2820, Laboratory for Integrated Micro Mechatronic Systems, Institute of Industrial Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan; Department of Chemical System Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Rachid Jellali
- Université de technologie de Compiègne, CNRS, Biomechanics and Bioengineering, Centre de recherche Royallieu CS 60319, 60203, Compiègne Cedex, France
| | - Yannick Tauran
- Univ Lyon, Université Claude Bernard Lyon 1, Laboratoire des Multimatériaux et Interfaces, UMR CNRS 5615, F-69622, Villeurbanne, France
| | - Johanna Bruce
- Plateforme protéomique 3P5, Université de Paris, Institut Cochin, INSERM, CNRS, F-75014, France
| | - Marjorie Leduc
- Plateforme protéomique 3P5, Université de Paris, Institut Cochin, INSERM, CNRS, F-75014, France
| | - Françoise Gilard
- Plateforme Métabolisme Métabolome, Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Univ. Paris-Sud, Univ. Evry, Univ. Paris-Diderot, Univ. Paris Saclay, Bâtiment 630 Rue Noetzlin, 91192, Gif-sur-Yvette cedex, France
| | - Bertrand Gakière
- Plateforme Métabolisme Métabolome, Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, Univ. Paris-Sud, Univ. Evry, Univ. Paris-Diderot, Univ. Paris Saclay, Bâtiment 630 Rue Noetzlin, 91192, Gif-sur-Yvette cedex, France
| | - Benedikt Scheidecker
- CNRS UMI 2820, Laboratory for Integrated Micro Mechatronic Systems, Institute of Industrial Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan; Department of Chemical System Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Taketomo Kido
- Laboratory of Stem Cell Therapy, Institute for Quantitative Biosciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-0032, Japan
| | - Atsushi Miyajima
- Laboratory of Stem Cell Therapy, Institute for Quantitative Biosciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-0032, Japan
| | - Fabrice Soncin
- CNRS UMI 2820, Laboratory for Integrated Micro Mechatronic Systems, Institute of Industrial Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan; CNRS/IIS/Centre Oscar Lambret/Lille University SMMiL-E Project, CNRS Délégation Nord-Pas de Calais et Picardie, 2 rue de Canonniers, Lille, 59046, France
| | - Yasuyuki Sakai
- Department of Chemical System Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Eric Leclerc
- CNRS UMI 2820, Laboratory for Integrated Micro Mechatronic Systems, Institute of Industrial Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan; Université de technologie de Compiègne, CNRS, Biomechanics and Bioengineering, Centre de recherche Royallieu CS 60319, 60203, Compiègne Cedex, France.
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150
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Lee AR, Baek SM, Lee SW, Kim TU, Han JE, Bae S, Park SJ, Kim TH, Jeong KS, Choi SK, Park JK. Nuclear VEGFR-2 Expression of Hepatocytes Is Involved in Hepatocyte Proliferation and Liver Regeneration During Chronic Liver Injury. In Vivo 2021; 35:1473-1483. [PMID: 33910825 DOI: 10.21873/invivo.12400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/06/2021] [Accepted: 03/12/2021] [Indexed: 11/10/2022]
Abstract
BACKGROUND/AIM The pathological role of vascular endothelial growth factor receptor 2 (VEGFR-2) in chronic liver injury and liver regeneration is not fully understood. This study analysed the role of VEGFR-2 in liver fibrosis and its regeneration process. MATERIALS AND METHODS We administered intraperitoneally 50 mg/kg to 300 mg/kg thioacetamide (TAA) to 9-week-old male mice for 17 weeks. We measured levels of VEGFR-2 protein and identified the location of cells that specifically express VEGFR-2. RESULTS VEGFR-2 is rarely expressed in normal hepatocytes. However, high VEGFR-2 expression in liver sinusoidal endothelial cells was noted in the TAA group. Conversely, the group that experienced regeneration from liver fibrosis showed significantly higher VEGFR-2 expression in the nucleus of hepatocytes compared to the other groups. CONCLUSION VEGFR-2 plays a pivotal role in the nucleus of hepatocytes during liver regeneration and VEGFR-2 may be closely related to cell division. Therefore, VEGFR-2 may be a new therapeutic target for liver regeneration.
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Affiliation(s)
- A-Rang Lee
- Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Su-Min Baek
- Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Seoung-Woo Lee
- Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Tae-Un Kim
- Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Jee Eun Han
- College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Seulgi Bae
- College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Sang-Joon Park
- College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Tae-Hwan Kim
- Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Kyu-Shik Jeong
- Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea.,Stem Cell Therapeutic Research Institute, Kyungpook National University, Daegu, Republic of Korea
| | - Seong-Kyoon Choi
- Core Protein Resources Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
| | - Jin-Kyu Park
- Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea; .,Stem Cell Therapeutic Research Institute, Kyungpook National University, Daegu, Republic of Korea
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