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Bu HF, Subramanian S, Chou PM, Liu F, Sun L, Geng H, Wang X, Liao J, Du C, Hu J, Tan SC, Nathan N, Yang GY, Tan XD. A novel mouse model of hepatocyte-specific apoptosis-induced myeloid cell-dominant sterile liver injury and repair response. Am J Physiol Gastrointest Liver Physiol 2024; 327:G499-G512. [PMID: 39104322 DOI: 10.1152/ajpgi.00005.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 07/15/2024] [Accepted: 07/18/2024] [Indexed: 08/07/2024]
Abstract
Apoptosis, inflammation, and wound healing are critical pathophysiological events associated with various liver diseases. Currently, there is a lack of in vivo approaches to study hepatocyte apoptosis-induced liver injury and repair. To address this critical knowledge gap, we developed a unique genetically modified mouse model, namely, 3-Transgene (Tg) with inducible Hepatocyte-Specific Apoptosis Phenotype (3xTg-iHAP) in this study. The 3xTg-iHAP mice possess three transgenes including Alb-Cre, Rosa26-rtTA, and tetO-Fasl on a B6 background. These mice are phenotypically normal, viable, and fertile. After subcutaneous administration of a single dose of doxycycline (5 mg/kg, Dox) to 3xTg-iHAP mice, we observed a complete histological spectrum of sterile liver wound-healing responses: asymptomatic hepatocyte apoptosis at 8 h, necrotic liver injury and sterile inflammation at 48 h, followed by hepatocyte mitosis and regeneration within 7 days. During the injury phase, the mice exhibited an increase in the biomarkers of alanine aminotransferase (ALT), chemokine (C-X-C motif) ligand 1 (CXCL1), and IL-6 in peripheral blood, as well as α-smooth muscle actin (α-SMA) protein in liver tissues. Conversely, the mice displayed a decrease in these markers in the recovery phase. Remarkably, this model shows that the sterile liver injury following elevated hepatocyte apoptosis is associated with an increase in myeloid cells in the liver. Within 7 days post-Dox administration, the liver of Dox-treated 3xTg-iHAP mice displays a normal histological structure, indicating the completion of wound healing. Together, we established a novel mouse model of injury and regeneration induced by hepatocyte apoptosis. This tool provides a robust in vivo platform for studying the pathophysiology of sterile liver inflammation, regeneration, and new therapeutic interventions for liver diseases.NEW & NOTEWORTHY Bu et al. present a triple-transgenic mouse model, namely, 3xTg-iHAP mice that are engineered to explore hepatocyte apoptosis-triggered sterile liver injury and regeneration. This model demonstrates a full spectrum of liver wound-healing responses from asymptomatic apoptosis to injury, myeloid cell-dominant sterile inflammation, and repair after induction of hepatocyte-specific apoptosis. The robust nature of this model makes it an invaluable in vivo tool for studying sterile liver inflammation, regeneration, and new therapeutic strategies.
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Affiliation(s)
- Heng-Fu Bu
- Department of Pediatrics, Pediatric Mucosal Inflammation and Regeneration Research Program, Center for Pediatric Translational Research and Education, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
- Department of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, United States
| | - Saravanan Subramanian
- Department of Pediatrics, Pediatric Mucosal Inflammation and Regeneration Research Program, Center for Pediatric Translational Research and Education, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
- Department of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, United States
| | - Pauline M Chou
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States
| | - Fangyi Liu
- Department of Pediatrics, Pediatric Mucosal Inflammation and Regeneration Research Program, Center for Pediatric Translational Research and Education, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
| | - Leyu Sun
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States
| | - Hua Geng
- Department of Pediatrics, Pediatric Mucosal Inflammation and Regeneration Research Program, Center for Pediatric Translational Research and Education, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
- Department of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, United States
| | - Xiao Wang
- Department of Pediatrics, Pediatric Mucosal Inflammation and Regeneration Research Program, Center for Pediatric Translational Research and Education, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
- Department of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, United States
| | - Jie Liao
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States
| | - Chao Du
- Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States
| | - Joyce Hu
- Department of Pediatrics, Pediatric Mucosal Inflammation and Regeneration Research Program, Center for Pediatric Translational Research and Education, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
| | - Stephanie C Tan
- Department of Pediatrics, Pediatric Mucosal Inflammation and Regeneration Research Program, Center for Pediatric Translational Research and Education, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
| | - Nirmal Nathan
- Department of Pediatrics, Pediatric Mucosal Inflammation and Regeneration Research Program, Center for Pediatric Translational Research and Education, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
| | - Guang-Yu Yang
- Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States
| | - Xiao-Di Tan
- Department of Pediatrics, Pediatric Mucosal Inflammation and Regeneration Research Program, Center for Pediatric Translational Research and Education, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
- Department of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, United States
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Ruscitti C, Abinet J, Maréchal P, Meunier M, de Meeûs C, Vanneste D, Janssen P, Dourcy M, Thiry M, Bureau F, Schneider C, Machiels B, Hidalgo A, Ginhoux F, Dewals BG, Guiot J, Schleich F, Garigliany MM, Bellahcène A, Radermecker C, Marichal T. Recruited atypical Ly6G + macrophages license alveolar regeneration after lung injury. Sci Immunol 2024; 9:eado1227. [PMID: 39093958 PMCID: PMC7616420 DOI: 10.1126/sciimmunol.ado1227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 05/31/2024] [Indexed: 08/04/2024]
Abstract
The lung is constantly exposed to airborne pathogens and particles that can cause alveolar damage. Hence, appropriate repair responses are essential for gas exchange and life. Here, we deciphered the spatiotemporal trajectory and function of an atypical population of macrophages after lung injury. Post-influenza A virus (IAV) infection, short-lived monocyte-derived Ly6G-expressing macrophages (Ly6G+ Macs) were recruited to the alveoli of lung perilesional areas. Ly6G+ Macs engulfed immune cells, exhibited a high metabolic potential, and clustered with alveolar type 2 epithelial cells (AT2s) in zones of active epithelial regeneration. Ly6G+ Macs were partially dependent on granulocyte-macrophage colony-stimulating factor and interleukin-4 receptor signaling and were essential for AT2-dependent alveolar regeneration. Similar macrophages were recruited in other models of injury and in the airspaces of lungs from patients with suspected pneumonia. This study identifies perilesional alveolar Ly6G+ Macs as a spatially restricted, short-lived macrophage subset promoting epithelial regeneration postinjury, thus representing an attractive therapeutic target for treating lung damage.
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Affiliation(s)
- Cecilia Ruscitti
- Laboratory of Immunophysiology, GIGA Institute, University of Liège, Liège, Belgium
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Joan Abinet
- Laboratory of Immunophysiology, GIGA Institute, University of Liège, Liège, Belgium
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Pauline Maréchal
- Laboratory of Immunophysiology, GIGA Institute, University of Liège, Liège, Belgium
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Margot Meunier
- Laboratory of Immunophysiology, GIGA Institute, University of Liège, Liège, Belgium
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Constance de Meeûs
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
- Department of Pathology, FARAH Institute, University of Liège, Liège, Belgium
| | - Domien Vanneste
- Laboratory of Immunophysiology, GIGA Institute, University of Liège, Liège, Belgium
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Pierre Janssen
- Laboratory of Immunophysiology, GIGA Institute, University of Liège, Liège, Belgium
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Mickael Dourcy
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
- Laboratory of Immunology-Vaccinology, FARAH Institute, University of Liège, Liège, Belgium
| | - Marc Thiry
- Laboratory of Cellular and Tissular Biology, GIGA Institute, University of Liège, Liège, Belgium
| | - Fabrice Bureau
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
- Laboratory of Cellular and Molecular Immunology, GIGA Institute, University of Liège, Liège, Belgium
| | | | - Benedicte Machiels
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
- Laboratory of Immunology-Vaccinology, FARAH Institute, University of Liège, Liège, Belgium
| | - Andres Hidalgo
- Area of Cell & Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain
- Vascular Biology and Therapeutics Program and Department of Immunobiology, Yale University School of Medicine, New Haven, CT, USA
| | - Florent Ginhoux
- Shanghai Institute of Immunology, Shanghai JiaoTong University School of Medicine, Shanghai, China
- Inserm U1015, Gustave Roussy, Bâtiment de Médecine Moléculaire, Villejuif, France
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore
| | - Benjamin G Dewals
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
- Laboratory of Immunology-Vaccinology, FARAH Institute, University of Liège, Liège, Belgium
| | - Julien Guiot
- Laboratory of Pneumology, GIGA Institute, University of Liège, Liège, Belgium
- Department of Respiratory Medicine, CHU University Hospital, Liège, Belgium
| | - Florence Schleich
- Laboratory of Pneumology, GIGA Institute, University of Liège, Liège, Belgium
- Department of Respiratory Medicine, CHU University Hospital, Liège, Belgium
| | - Mutien-Marie Garigliany
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
- Department of Pathology, FARAH Institute, University of Liège, Liège, Belgium
| | - Akeila Bellahcène
- Metastasis Research Laboratory, GIGA Institute, University of Liège, Liège, Belgium
| | - Coraline Radermecker
- Laboratory of Immunophysiology, GIGA Institute, University of Liège, Liège, Belgium
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Thomas Marichal
- Laboratory of Immunophysiology, GIGA Institute, University of Liège, Liège, Belgium
- Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
- Walloon Excellence in Life Sciences and Biotechnology (WELBIO) Department, WEL Research Institute, Wavre, Belgium
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Jin H, Wen G, Zhu J, Liu J, Li J, Yao S, Zhao Z, Dong Z, Zhang X, An J, Liu X, Tuo B. Pantoprazole suppresses carcinogenesis and growth of hepatocellular carcinoma by inhibiting glycolysis and Na +/H + exchange. Drug Dev Res 2024; 85:e22198. [PMID: 38764200 DOI: 10.1002/ddr.22198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 04/15/2024] [Accepted: 04/30/2024] [Indexed: 05/21/2024]
Abstract
Hepatocellular carcinoma (HCC) is one of the deadliest cancers. The prevention and therapy for this deadly disease remain a global medical challenge. In this study, we investigated the effect of pantoprazole (PPZ) on the carcinogenesis and growth of HCC. Both diethylnitrosamine (DEN) plus CCl4-induced and DEN plus high fat diet (HFD)-induced HCC models in mice were established. Cytokines and cell proliferation-associated gene in the liver tissues of mice and HCC cells were analyzed. Cellular glycolysis and Na+/H+ exchange activity were measured. The preventive administration of pantoprazole (PPZ) at a clinically relevant low dose markedly suppressed HCC carcinogenesis in both DEN plus CCl4-induced and HFD-induced murine HCC models, whereas the therapeutic administration of PPZ at the dose suppressed the growth of HCC. In the liver tissues of PPZ-treated mice, inflammatory cytokines, IL1, CXCL1, CXCL5, CXCL9, CXCL10, CCL2, CCL5, CCL6, CCL7, CCL20, and CCL22, were reduced. The administration of CXCL1, CXCL5, CCL2, or CCL20 all reversed PPZ-suppressed DEN plus CCL4-induced HCC carcinogenesis in mice. PPZ inhibited the expressions of CCNA2, CCNB2, CCNE2, CDC25C, CDCA5, CDK1, CDK2, TOP2A, TTK, AURKA, and BIRC5 in HCC cells. Further results showed that PPZ reduced the production of these inflammatory cytokines and the expression of these cell proliferation-associated genes through the inhibition of glycolysis and Na+/H+ exchange. In conclusion, PPZ suppresses the carcinogenesis and growth of HCC, which is related to inhibiting the production of inflammatory cytokines and the expression of cell proliferation-associated genes in the liver through the inhibition of glycolysis and Na+/H+ exchange.
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Affiliation(s)
- Hai Jin
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Guorong Wen
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jiaxing Zhu
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jielong Liu
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jingguo Li
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Shun Yao
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Zhenglan Zhao
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Zhiqi Dong
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Xue Zhang
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jiaxing An
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Xuemei Liu
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Biguang Tuo
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, China
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Zhu J, Jin Z, Wang J, Wu Z, Xu T, Tong G, Shen E, Fan J, Jiang C, Wang J, Li X, Cong W, Lin L. FGF21 ameliorates septic liver injury by restraining proinflammatory macrophages activation through the autophagy/HIF-1α axis. J Adv Res 2024:S2090-1232(24)00134-6. [PMID: 38599281 DOI: 10.1016/j.jare.2024.04.004] [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: 02/02/2024] [Revised: 03/26/2024] [Accepted: 04/07/2024] [Indexed: 04/12/2024] Open
Abstract
INTRODUCTION Sepsis, a systemic immune syndrome caused by severe trauma or infection, poses a substantial threat to the health of patients worldwide. The progression of sepsis is heavily influenced by septic liver injury, which is triggered by infection and cytokine storms, and has a significant impact on the tolerance and prognosis of septic patients. The objective of our study is to elucidate the biological role and molecular mechanism of fibroblast growth factor 21 (FGF21) in the process of sepsis. OBJECTIVES This study was undertaken in an attempt to elucidate the function and molecular mechanism of FGF21 in therapy of sepsis. METHODS Serum concentrations of FGF21 were measured in sepsis patients and septic mice. Liver injury was compared between mice FGF21 knockout (KO) mice and wildtype (WT) mice. To assess the therapeutic potential, recombinant human FGF21 was administered to septic mice. Furthermore, the molecular mechanism of FGF21 was investigated in mice with myeloid-cell specific HIF-1α overexpression mice (LyzM-CreDIO-HIF-1α) and myeloid-cell specific Atg7 knockout mice (Atg7△mye). RESULTS Serum level of FGF21 was significantly increased in sepsis patients and septic mice. Through the use of recombinant human FGF21 (rhFGF21) and FGF21 KO mice, we found that FGF21 mitigated septic liver injury by inhibiting the initiation and propagation of inflammation. Treatment with rhFGF21 effectively suppressed the activation of proinflammatory macrophages by promoting macroautophagy/autophagy degradation of hypoxia-inducible factor-1α (HIF-1α). Importantly, the therapeutic effect of rhFGF21 against septic liver injury was nullified in LyzM-CreDIO-HIF-1α mice and Atg7△mye mice. CONCLUSIONS Our findings demonstrate that FGF21 considerably suppresses inflammation upon septic liver injury through the autophagy/ HIF-1α axis.
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Affiliation(s)
- Junjie Zhu
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China; Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China
| | - Zhouxiang Jin
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, PR China
| | - Jie Wang
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China
| | - Zhaohang Wu
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China; Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China
| | - Tianpeng Xu
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China; Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China
| | - Gaozan Tong
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China
| | - Enzhao Shen
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China
| | - Junfu Fan
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China; Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China
| | - Chunhui Jiang
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China; Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China
| | - Jiaqi Wang
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China; Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China
| | - Xiaokun Li
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China; Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China; Department of Hepatobiliary Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, PR China
| | - Weitao Cong
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China; Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China; Haihe Laboratory of Cell Ecosystem, School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China
| | - Li Lin
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou 325000, PR China; Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, PR China.
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Su JH, Hong Y, Han CC, Yu J, Guan X, Zhu YM, Wang C, Ma MM, Pang RP, Ou JS, Zhou JG, Zhang ZY, Ban T, Liang SJ. Dual action of macrophage miR-204 confines cyclosporine A-induced atherosclerosis. Br J Pharmacol 2024; 181:640-658. [PMID: 37702564 DOI: 10.1111/bph.16240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 07/15/2023] [Accepted: 08/31/2023] [Indexed: 09/14/2023] Open
Abstract
BACKGROUND AND PURPOSE Atherosclerosis induced by cyclosporine A (CsA), an inhibitor of the calcineurin/nuclear factor of activated T cells (NFAT) pathway, is a major concern after organ transplantation. However, the atherosclerotic mechanisms of CsA remain obscure. We previously demonstrated that calcineurin/NFAT signalling inhibition contributes to atherogenesis via suppressing microRNA-204 (miR-204) transcription. We therefore hypothesised that miR-204 is involved in the development of CsA-induced atherosclerosis. EXPERIMENTAL APPROACH ApoE-/- mice with macrophage-miR-204 overexpression were generated to determine the effects of miR-204 on CsA-induced atherosclerosis. Luciferase reporter assays and chromatin immunoprecipitation sequencing were performed to explore the targets mediating miR-204 effects. KEY RESULTS CsA alone did not significantly affect atherosclerotic lesions or serum lipid levels. However, it exacerbated high-fat diet-induced atherosclerosis and hyperlipidemia in C57BL/6J and ApoE-/- mice, respectively. miR-204 levels decreased in circulating monocytes and plaque lesions during CsA-induced atherosclerosis. The upregulation of miR-204 in macrophages inhibited CsA-induced atherosclerotic plaque formation but did not affect serum lipid levels. miR-204 limited the CsA-induced foam cell formation by reducing the expression of the scavenger receptors SR-BII and CD36. SR-BII was post-transcriptionally regulated by mature miR-204-5p via 3'-UTR targeting. Additionally, nuclear-localised miR-204-3p prevented the CsA-induced binding of Ago2 to the CD36 promoter, suppressing CD36 transcription. SR-BII or CD36 expression restoration dampened the beneficial effects of miR-204 on CsA-induced atherosclerosis. CONCLUSION AND IMPLICATIONS Macrophage miR-204 ameliorates CsA-induced atherosclerosis, suggesting that miR-204 may be a potential target for the prevention and treatment of CsA-related atherosclerotic side effects.
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Affiliation(s)
- Jia-Hui Su
- Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
- Department of Pharmacology, Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Yu Hong
- Department of Pharmacology, Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
- Department of Pharmacy, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Cong-Cong Han
- Department of Pharmacology, Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Jie Yu
- Department of General Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xin Guan
- Department of Pharmacology, Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Ya-Mei Zhu
- Department of Pharmacology, College of Pharmacy, Harbin Medical University, Heilongjiang Academy of Medical Sciences, Harbin, China
| | - Cheng Wang
- Program of Kidney and Cardiovascular Diseases, the Fifth Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Ming-Ming Ma
- Department of Pharmacology, Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Rui-Ping Pang
- Department of Pharmacology, Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Jing-Song Ou
- Division of Cardiac Surgery, The Key Laboratory of Assisted Circulation, Ministry of Health, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jia-Guo Zhou
- Department of Pharmacology, Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
- Program of Kidney and Cardiovascular Diseases, the Fifth Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Zi-Yi Zhang
- Department of Pharmacology, Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Tao Ban
- Department of Pharmacology, College of Pharmacy, Harbin Medical University, Heilongjiang Academy of Medical Sciences, Harbin, China
| | - Si-Jia Liang
- Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
- Department of Pharmacology, Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
- Program of Kidney and Cardiovascular Diseases, the Fifth Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
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Marques-da-Silva C, Schmidt-Silva C, Baptista RP, Kurup SP. Inherently Reduced Expression of ASC Restricts Caspase-1 Processing in Hepatocytes and Promotes Plasmodium Infection. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:596-606. [PMID: 38149914 PMCID: PMC10872340 DOI: 10.4049/jimmunol.2300440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 12/06/2023] [Indexed: 12/28/2023]
Abstract
Inflammasome-mediated caspase-1 activation facilitates innate immune control of Plasmodium in the liver, thereby limiting the incidence and severity of clinical malaria. However, caspase-1 processing occurs incompletely in both mouse and human hepatocytes and precludes the generation of mature IL-1β or IL-18, unlike in other cells. Why this is so or how it impacts Plasmodium control in the liver has remained unknown. We show that an inherently reduced expression of the inflammasome adaptor molecule apoptosis-associated specklike protein containing CARD (ASC) is responsible for the incomplete proteolytic processing of caspase-1 in murine hepatocytes. Transgenically enhancing ASC expression in hepatocytes enabled complete caspase-1 processing, enhanced pyroptotic cell death, maturation of the proinflammatory cytokines IL-1β and IL-18 that was otherwise absent, and better overall control of Plasmodium infection in the liver of mice. This, however, impeded the protection offered by live attenuated antimalarial vaccination. Tempering ASC expression in mouse macrophages, on the other hand, resulted in incomplete processing of caspase-1. Our work shows how caspase-1 activation and function in host cells are fundamentally defined by ASC expression and offers a potential new pathway to create better disease and vaccination outcomes by modifying the latter.
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Affiliation(s)
- Camila Marques-da-Silva
- Department of Cellular Biology, University of Georgia, Athens, GA
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA
| | - Clyde Schmidt-Silva
- Department of Cellular Biology, University of Georgia, Athens, GA
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA
| | - Rodrigo P Baptista
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA
| | - Samarchith P Kurup
- Department of Cellular Biology, University of Georgia, Athens, GA
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA
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Pei L, Li R, Wang X, Xu D, Gong F, Chen W, Zheng X, Liu W, Zhao S, Wang Q, Mao E, Chen E, Chen Y, Yang Z. MSCs-derived extracellular vesicles alleviate sepsis-associated liver dysfunction by inhibiting macrophage glycolysis-mediated inflammatory response. Int Immunopharmacol 2024; 128:111575. [PMID: 38280334 DOI: 10.1016/j.intimp.2024.111575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/10/2024] [Accepted: 01/18/2024] [Indexed: 01/29/2024]
Abstract
Sepsis-associated liver dysfunction (SALD) aggravates the disease progression and prognosis of patients. Macrophages in the liver play a crucial role in the occurrence and development of SALD. Human umbilical cord mesenchymal stem cells (MSCs), by secreting extracellular vesicles (EVs), show beneficial effects in various inflammatory diseases. However, whether MSC-derived EVs (MSC-EVs) could ameliorate the inflammatory response in liver macrophages and the underlying mechanisms remain unclear. In this study, a mouse model of sepsis induced by lipopolysaccharide (LPS) challenge was used to investigate the immunomodulatory functions of MSC-EVs in SALD. LPS-stimulated primary Kupffer cells (KCs) and Raw264.7 were used to further explore the potential mechanisms of MSC-EVs in regulating the inflammatory response of macrophages. The results showed that MSC-EVs alleviated liver tissue injury and facilitated the polarization of M1 to M2 macrophages. Further in vitro studies confirmed that MSC-EVs treatment significantly downregulated the expression of several enzymes related to glycolysis and reduced the glycolytic flux by inhibiting hypoxia-inducible factor 1α (HIF-1α) expression, thus effectively inhibiting the inflammatory responses of macrophages. These findings reveal that the application of MSC-EVs might be a potential therapeutic strategy for treating SALD.
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Affiliation(s)
- Lei Pei
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ranran Li
- Department of Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaofeng Wang
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dan Xu
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fangchen Gong
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weiwei Chen
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiangtao Zheng
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenbin Liu
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shanzhi Zhao
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiuyun Wang
- Department of Anesthesiology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Enqiang Mao
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Erzhen Chen
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Ying Chen
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Zhitao Yang
- Department of Emergency, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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8
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Vogel A, García González P, Argüello RJ. Measuring the Metabolic State of Tissue-Resident Macrophages via SCENITH. Methods Mol Biol 2024; 2713:363-376. [PMID: 37639136 DOI: 10.1007/978-1-0716-3437-0_25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Abstract
Functional reprograming of cells is linked to a process of metabolic rewiring that is adapted for such new functions or microenvironment. Macrophages are present in all tissues and exposed to different microenvironments throughout our body. Profiling energetic metabolism of tissue resident and other heterogeneous populations of macrophages in vitro and ex vivo is technologically very challenging. We have recently developed a method to functionally profile energetic metabolism with single-cell resolution, named SCENITH. This method can be performed rapidly ex vivo and does not require specialized equipment. In this book chapter, we will summarize the tissue processing, the procedure and methods, the analysis and example of results, and a series of frequently asked questions.
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Affiliation(s)
- Andrea Vogel
- Institute for Medical Genetics, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Vienna, Austria
| | - Paulina García González
- Aix Marseille Univ, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Marseille, France
| | - Rafael J Argüello
- Aix Marseille Univ, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Marseille, France.
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9
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Balog S, Jeong S, Asahina K. Recruitment of large peritoneal macrophages to capsular fibrosis developed on the liver surface. FASEB J 2024; 38:e23327. [PMID: 38019178 DOI: 10.1096/fj.202301187r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 10/15/2023] [Accepted: 11/08/2023] [Indexed: 11/30/2023]
Abstract
Upon injury to Glisson's capsule, mesothelial cells covering the liver surface differentiate into myofibroblasts and participate in capsular fibrosis. In the fibrotic area, infiltrating macrophages are present, but their origin and role in capsular fibrosis remain elusive. In the present study, we examined whether macrophages in the peritoneal cavity migrate to the liver and participate in capsular fibrosis. Capsular fibrosis was induced by intraperitoneal injection of chlorhexidine gluconate. Chlorhexidine gluconate treatment induced disappearance of CD11bHigh F4/80High large peritoneal macrophages from the peritoneal cavity. Transplantation of TIMD4+ large peritoneal macrophages to the mouse peritoneal cavity resulted in their recruitment to the fibrotic area of the liver. Bone marrow-derived monocytes were also recruited to the chlorhexidine gluconate-induced fibrotic area upon their transplantation to the peritoneal cavity. However, bone marrow-derived macrophages, Kupffer cells, peritoneal B cells, and small peritoneal macrophages prepared from chlorhexidine gluconate-treated mice did not exhibit such potential. In the hepatic fibrotic area, peritoneal macrophages lost expression of unique markers (Gata6, Timd4) and increased expression of genes involved in inflammation (Il1b, Il6, Tnf) and extracellular matrix remodeling (Mmp13, Timp1). Depletion of peritoneal macrophages by clodronate liposomes reduced capsular fibrosis. Our data indicate that large peritoneal macrophages are recruited to the injured liver surface and promote capsular fibrosis by inducing inflammation and extracellular matrix remodeling. Modulating the function of peritoneal macrophages might be a new approach for suppressing capsular fibrosis.
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Affiliation(s)
- Steven Balog
- Department of Pathology, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - Soi Jeong
- Department of Pathology, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
| | - Kinji Asahina
- Department of Pathology, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
- Central Research Laboratory, Shiga University of Medical Science, Otsu, Japan
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10
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Sang D, Lin K, Yang Y, Ran G, Li B, Chen C, Li Q, Ma Y, Lu L, Cui XY, Liu Z, Lv SQ, Luo M, Liu Q, Li Y, Zhang EE. Prolonged sleep deprivation induces a cytokine-storm-like syndrome in mammals. Cell 2023; 186:5500-5516.e21. [PMID: 38016470 DOI: 10.1016/j.cell.2023.10.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 08/17/2023] [Accepted: 10/25/2023] [Indexed: 11/30/2023]
Abstract
Most animals require sleep, and sleep loss induces serious pathophysiological consequences, including death. Previous experimental approaches for investigating sleep impacts in mice have been unable to persistently deprive animals of both rapid eye movement sleep (REMS) and non-rapid eye movement sleep (NREMS). Here, we report a "curling prevention by water" paradigm wherein mice remain awake 96% of the time. After 4 days of exposure, mice exhibit severe inflammation, and approximately 80% die. Sleep deprivation increases levels of prostaglandin D2 (PGD2) in the brain, and we found that elevated PGD2 efflux across the blood-brain-barrier-mediated by ATP-binding cassette subfamily C4 transporter-induces both accumulation of circulating neutrophils and a cytokine-storm-like syndrome. Experimental disruption of the PGD2/DP1 axis dramatically reduced sleep-deprivation-induced inflammation. Thus, our study reveals that sleep-related changes in PGD2 in the central nervous system drive profound pathological consequences in the peripheral immune system.
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Affiliation(s)
- Di Sang
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China; National Institute of Biological Sciences, Beijing, China
| | - Keteng Lin
- National Institute of Biological Sciences, Beijing, China; College of Biological Sciences, China Agricultural University, Beijing, China
| | - Yini Yang
- Peking University School of Life Sciences, Beijing, China
| | - Guangdi Ran
- National Institute of Biological Sciences, Beijing, China; Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, China
| | - Bohan Li
- Peking-Tsinghua Center for Life Sciences, Beijing, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Chen Chen
- National Institute of Biological Sciences, Beijing, China
| | - Qi Li
- National Institute of Biological Sciences, Beijing, China; Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, China
| | - Yan Ma
- National Institute of Biological Sciences, Beijing, China; Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, China
| | - Lihui Lu
- National Institute of Biological Sciences, Beijing, China
| | - Xi-Yang Cui
- Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Zhibo Liu
- Peking-Tsinghua Center for Life Sciences, Beijing, China; Beijing National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Sheng-Qing Lv
- Department of Neurosurgery, Xinqiao Hospital, Chongqing, China
| | - Minmin Luo
- National Institute of Biological Sciences, Beijing, China; School of Life Sciences, Tsinghua University, Beijing, China; Chinese Institute for Brain Research, Beijing, China
| | - Qinghua Liu
- National Institute of Biological Sciences, Beijing, China; Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, China
| | - Yulong Li
- Peking University School of Life Sciences, Beijing, China; Peking-Tsinghua Center for Life Sciences, Beijing, China; State Key Laboratory of Membrane Biology, Beijing, China; PKU-IDG/McGovern Institute for Brain Research, Beijing, China
| | - Eric Erquan Zhang
- National Institute of Biological Sciences, Beijing, China; Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, China.
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11
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Gustafsson K, Rhee C, Frodermann V, Scadden EW, Li D, Iwamoto Y, Palchaudhuri R, Hyzy SL, Boitano AE, Nahrendorf M, Scadden DT. Clearing and replacing tissue-resident myeloid cells with an anti-CD45 antibody-drug conjugate. Blood Adv 2023; 7:6964-6973. [PMID: 37748049 PMCID: PMC10690556 DOI: 10.1182/bloodadvances.2023010561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 09/05/2023] [Accepted: 09/08/2023] [Indexed: 09/27/2023] Open
Abstract
Tissue-resident myeloid (TRM) cells in adults have highly variable lifespans, and may be derived from early embryonic yolk sac, fetal liver, or bone marrow. Some of these TRM cells are known pathogenic participants in congenital and acquired diseases. Myeloablative conditioning and hematopoietic stem cell transplantation can replace long-lived brain TRM cells, resulting in clinical improvements in metabolic storage diseases. With the advent of antibody-drug conjugate (ADC)-targeted cell killing as a cell-selective means of transplant conditioning, we assessed the impact of anti-CD45-ADC on TRM cells in multiple tissues. Replacement of TRM cells ranged from 40% to 95% efficiencies in liver, lung, and skin tissues, after a single anti-CD45-ADC dose and bone marrow hematopoietic cell transfer. Of note, the population size of TRM cells in tissues returned to pretreatment levels, suggesting a regulated control of TRM cell abundance. As expected, brain microglia were not affected, but brain monocytes and macrophages were 50% replaced. Anti-CD45-ADC and adoptive cell transfer were then tested in the chronic acquired condition, atherosclerosis exacerbated by Tet2 mutant clonal hematopoiesis. Plaque-resident myeloid cells were efficiently replaced with anti-CD45-ADC and wild-type bone marrow cells. Notably, this reduced existent atherosclerotic plaque burden. Overall, these results indicate that the anti-CD45-ADC clears both hematopoietic stem and TRM cells from their niches, enabling cell replacement to achieve disease modification in a resident myeloid cell-driven disease.
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Affiliation(s)
- Karin Gustafsson
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA
- Harvard Stem Cell Institute, Cambridge, MA
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA
| | - Catherine Rhee
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA
- Harvard Stem Cell Institute, Cambridge, MA
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA
| | - Vanessa Frodermann
- Center for Systems Biology and Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Elizabeth W. Scadden
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA
- Harvard Stem Cell Institute, Cambridge, MA
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA
| | - Dan Li
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA
- Harvard Stem Cell Institute, Cambridge, MA
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA
| | - Yoshiko Iwamoto
- Center for Systems Biology and Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | | | | | | | - Matthias Nahrendorf
- Center for Systems Biology and Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - David T. Scadden
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA
- Harvard Stem Cell Institute, Cambridge, MA
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA
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12
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Nakashima H, Kearney BM, Kato A, Miyazaki H, Ito S, Nakashima M, Kinoshita M. Novel phenotypical and functional sub-classification of liver macrophages highlights changes in population dynamics in experimental mouse models. Cytometry A 2023; 103:902-914. [PMID: 37606087 DOI: 10.1002/cyto.a.24783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 07/11/2023] [Accepted: 07/28/2023] [Indexed: 08/23/2023]
Abstract
Liver macrophages are critical components of systemic immune system defense mechanisms. F4/80high Kupffer cells (KCs) are the predominant liver-resident macrophages and the first immune cells to contact pathogens entering the liver. F4/80low monocyte-derived macrophages (MoMφs) are essential macrophages that modulate liver immune functions. Here we report a novel method of identifying subpopulations of these two populations using traditional flow cytometry and examine each subpopulation for its putative roles in the pathogenesis of an experimental non-alcoholic steatohepatitis model. Using male C57BL/6 mice, we isolated and analyzed liver non-parenchymal cells by flow cytometry. We identified F4/80high and F4/80low macrophage populations and characterized subpopulations using uniform manifold approximation and projection. We identified three subpopulations in F4/80high macrophages: CD163(+) KCs, CD163(-) KCs, and liver capsular macrophages. CD163(+) KCs had higher phagocytic and bactericidal activities and more complex cellular structures than CD163(-) KCs. We also identified four subpopulations of F4/80low MoMφs based on Ly6C and MHC class II expression: infiltrating monocytes, pro-inflammatory MoMφs, Ly6C(-) monocytes, and conventional dendritic cells. CCR2 knock-out mice expressed lower levels of these monocyte-derived cells, and the count varied by subpopulation. In high-fat- and cholesterol-diet-fed mice, only one subpopulation, pro-inflammatory MoMφs, significantly increased in count. This indicates that changes to this subpopulation is the first step in the progression to non-alcoholic steatohepatitis. The community can use our novel subpopulation and gating strategy to better understand complex immunological mechanisms in various liver disorders through detailed analysis of these subpopulations.
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Affiliation(s)
- Hiroyuki Nakashima
- Department of Immunology and Microbiology, National Defense Medical College, Saitama, Japan
| | - Bradley M Kearney
- Department of Immunology and Microbiology, National Defense Medical College, Saitama, Japan
| | - Azusa Kato
- Department of Immunology and Microbiology, National Defense Medical College, Saitama, Japan
| | - Hiromi Miyazaki
- Division of Biomedical Engineering, National Defense Medical College Research Institute, Saitama, Japan
| | - Seigo Ito
- Department of Internal Medicine, Self-Defense Force Iruma Hospital, Saitama, Japan
| | - Masahiro Nakashima
- Department of Immunology and Microbiology, National Defense Medical College, Saitama, Japan
| | - Manabu Kinoshita
- Department of Immunology and Microbiology, National Defense Medical College, Saitama, Japan
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13
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Gustafsson K, Rhee C, Frodermann V, Scadden EW, Li D, Iwamoto Y, Palchaudhuri R, Hyzy SL, Boitano AE, Nahrendorf M, Scadden DT. CD45-antibody-drug conjugate clears tissue resident myeloid cells from their niches enabling therapeutic adoptive cell transfer. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.05.556397. [PMID: 37732224 PMCID: PMC10508759 DOI: 10.1101/2023.09.05.556397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
Tissue resident myeloid cells (TRM) in adults have highly variable lifespans and may be derived from early embryonic yolk sac, fetal liver or bone marrow. Some of these TRM are known pathogenic participants in congenital and acquired diseases. Myeloablative conditioning and hematopoietic stem cell transplant can replace long-lived brain TRM resulting in clinical improvements in metabolic storage diseases. With the advent of antibody-drug-conjugate (ADC) targeted cell killing as a cell selective means of transplant conditioning, we assessed the impact of anti-CD45-ADC on TRM in multiple tissues. Replacement of TRM ranged from 40 to 95 percent efficiencies in liver, lung, and skin tissues, after a single anti-CD45-ADC dose and bone marrow hematopoietic cell transfer. Of note, the population size of TRM in tissues returned to pre-treatment levels suggesting a regulated control of TRM abundance. As expected, brain, microglia were not affected, but brain monocytes and macrophages were 50% replaced. Anti-CD45-ADC and adoptive cell transfer were then tested in the chronic acquired condition, atherosclerosis exacerbated by Tet2 mutant clonal hematopoiesis. Plaque resident myeloid cells were efficiently replaced with anti-CD45-ADC and wild-type bone marrow cells. Notably, this reduced existent atherosclerotic plaque burden. Overall, these results indicate that anti-CD45-ADC clears both HSC and TRM niches enabling cell replacement to achieve disease modification in a resident myeloid cell driven disease.
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14
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Biagioli M, Marchianò S, di Giorgio C, Roselli R, Bordoni M, Bellini R, Fiorillo B, Sepe V, Catalanotti B, Cassiano C, Monti MC, Distrutti E, Zampella A, Fiorucci S. Combinatorial targeting of G-protein-coupled bile acid receptor 1 and cysteinyl leukotriene receptor 1 reveals a mechanistic role for bile acids and leukotrienes in drug-induced liver injury. Hepatology 2022. [PMID: 36107019 DOI: 10.1002/hep.32787] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 08/22/2022] [Accepted: 09/09/2022] [Indexed: 12/08/2022]
Abstract
BACKGROUND AND AIM Drug-induced liver injury (DILI) is a common disorder that involves both direct liver cell toxicity and immune activation. The bile acid receptor, G-protein-coupled bile acid receptor 1 (GPBAR1; Takeda G-protein-coupled receptor 5 [TGR5]), and cysteinyl leukotriene receptor (CYSLTR) 1 are G-protein-coupled receptors activated by bile acids and leukotrienes, exerting opposite effects on cell-to-cell adhesion, inflammation, and immune cell activation. To investigate whether GPBAR1 and CYSLTR1 mutually interact in the development of DILI, we developed an orally active small molecule, CHIN117, that functions as a GPBAR1 agonist and CYSLTR1 antagonist. APPROACH AND RESULTS RNA-sequencing analysis of liver explants showed that acetaminophen (APAP) intoxication positively modulates the leukotriene pathway, CYSLTR1, 5-lipoxygenase, and 5-lipoxygenase activating protein, whereas GPBAR1 gene expression was unchanged. In mice, acute liver injury induced by orally dosing APAP (500 mg/kg) was severely exacerbated by Gpbar1 gene ablation and attenuated by anti-Cysltr1 small interfering RNA pretreatment. Therapeutic dosing of wild-type mice with CHIN117 reversed the liver damage caused by APAP and modulated up to 1300 genes, including 38 chemokines and receptors, that were not shared by dosing mice with a selective GPBAR1 agonist or CYSLTR1 antagonist. Coexpression of the two receptors was detected in liver sinusoidal endothelial cells (LSECs), monocytes, and Kupffer cells, whereas combinatorial modulation of CYSLTR1 and GPBAR1 potently reversed LSEC/monocyte interactions. CHIN117 reversed liver damage and liver fibrosis in mice administered CCl4 . CONCLUSIONS By genetic and pharmacological approaches, we demonstrated that GPBAR1 and CYSLTR1 mutually interact in the development of DILI. A combinatorial approach designed to activate GPBAR1 while inhibiting CYSLTR1 reverses liver injury in models of DILI.
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Affiliation(s)
- Michele Biagioli
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy
| | - Silvia Marchianò
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy
| | | | - Rosalinda Roselli
- Department of Pharmacy, Università di Napoli "Federico II", Naples, Italy
| | - Martina Bordoni
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy
| | - Rachele Bellini
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy
| | - Bianca Fiorillo
- Department of Pharmacy, Università di Napoli "Federico II", Naples, Italy
| | - Valentina Sepe
- Department of Pharmacy, Università di Napoli "Federico II", Naples, Italy
| | - Bruno Catalanotti
- Department of Pharmacy, Università di Napoli "Federico II", Naples, Italy
| | - Chiara Cassiano
- Department of Pharmacy, Università di Napoli "Federico II", Naples, Italy
| | | | - Eleonora Distrutti
- SC di Gastroenterologia ed Epatologia, Azienda Ospedaliera di Perugia, Perugia, Italy
| | - Angela Zampella
- Department of Pharmacy, Università di Napoli "Federico II", Naples, Italy
| | - Stefano Fiorucci
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy
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