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Lee NY, Choi MG, Lee EJ, Koo JH. Interplay between YAP/TAZ and metabolic dysfunction-associated steatotic liver disease progression. Arch Pharm Res 2024:10.1007/s12272-024-01501-5. [PMID: 38874747 DOI: 10.1007/s12272-024-01501-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 05/28/2024] [Indexed: 06/15/2024]
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD) is becoming an increasingly pressing global health challenge, with increasing mortality rates showing an upward trend. Two million deaths occur annually from cirrhosis and liver cancer together each year. Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ), key effectors of the Hippo signaling pathway, critically regulate tissue homeostasis and disease progression in the liver. While initial studies have shown that YAP expression is normally restricted to cholangiocytes in healthy livers, the activation of YAP/TAZ is observed in other hepatic cells during chronic liver disease. The disease-driven dysregulation of YAP/TAZ appears to be a critical element in the MASLD progression, contributing to hepatocyte dysfunction, inflammation, and fibrosis. In this study, we focused on the complex roles of YAP/TAZ in MASLD and explored how the YAP/TAZ dysregulation of YAP/TAZ drives steatosis, inflammation, fibrosis, and cirrhosis. Finally, the cell-type-specific functions of YAP/TAZ in different types of hepatic cells, such as hepatocytes, hepatic stellate cells, hepatic macrophages, and biliary epithelial cells are discussed, highlighting the multifaceted impact of YAP/TAZ on liver physiology and pathology.
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Affiliation(s)
- Na Young Lee
- College of Pharmacy, Seoul National University, Seoul, 08826, Korea
| | - Myeung Gi Choi
- College of Pharmacy, Seoul National University, Seoul, 08826, Korea
| | - Eui Jin Lee
- College of Pharmacy, Seoul National University, Seoul, 08826, Korea
| | - Ja Hyun Koo
- Research Institute of Pharmaceutical Sciences and Natural Products Research Institute, Seoul National University, Seoul, 08826, Korea.
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2
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Lu M, Zhu M, Wu Z, Liu W, Cao C, Shi J. The role of YAP/TAZ on joint and arthritis. FASEB J 2024; 38:e23636. [PMID: 38752683 DOI: 10.1096/fj.202302273rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 04/05/2024] [Accepted: 04/16/2024] [Indexed: 05/21/2024]
Abstract
Osteoarthritis (OA) and rheumatoid arthritis (RA) are two common forms of arthritis with undefined etiology and pathogenesis. Yes-associated protein (YAP) and its homolog transcriptional coactivator with PDZ-binding motif (TAZ), which act as sensors for cellular mechanical and inflammatory cues, have been identified as crucial players in the regulation of joint homeostasis. Current studies also reveal a significant association between YAP/TAZ and the pathogenesis of OA and RA. The objective of this review is to elucidate the impact of YAP/TAZ on different joint tissues and to provide inspiration for further studying the potential therapeutic implications of YAP/TAZ on arthritis. Databases, such as PubMed, Cochran Library, and Embase, were searched for all available studies during the past two decades, with keywords "YAP," "TAZ," "OA," and "RA."
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Affiliation(s)
- Mingcheng Lu
- Zhejiang University School of Medicine, Zhejiang, Hangzhou, China
| | - Mengqi Zhu
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Zhejiang, Hangzhou, China
| | - Zuping Wu
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, Zhejiang, Hangzhou, China
| | - Wei Liu
- Zhejiang University School of Medicine, Zhejiang, Hangzhou, China
| | - Chuwen Cao
- Zhejiang University School of Medicine, Zhejiang, Hangzhou, China
| | - Jiejun Shi
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine and Key Laboratory of Oral Biomedical Research of Zhejiang Province, Zhejiang, Hangzhou, China
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3
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Shao C, Xu H, Sun X, Pan Y, Liang X, Huang J, He Y, Guo W, Ye L, Zhang J. Jiawei Taohe Chengqi decoction inhibition of the notch signal pathway affects macrophage reprogramming to inhibit HSCs activation for the treatment of hepatic fibrosis. JOURNAL OF ETHNOPHARMACOLOGY 2024; 321:117486. [PMID: 38030027 DOI: 10.1016/j.jep.2023.117486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 11/12/2023] [Accepted: 11/20/2023] [Indexed: 12/01/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Jiawei Taohe Chengqi Tang (JTCD) is a modified formulation of Traditional Chinese Medicine (TCM) known as Taohe Chengqi Decoction, which has been described in the ancient TCM literature "Treatise on Febrile Diseases". As a formula that can activate blood circulation and eliminate blood stasis and regulate Yin and Yang in traditional Chinese medicine applications, JTCD has been reported to be effective in the treatment of chronic liver disease and hepatic fibrosis (HF). AIM OF STUDY The current study aimed to evaluate the effectiveness of JTCD in modulating hepatic macrophages by regulating the Notch signal pathway, and to further investigate the mechanisms underlying macrophage reprogramming that leads to HF. MATERIALS AND METHODS Molecular assays were performed using in vitro cultures of human mononuclear THP-1 cells and human-derived hepatic stellate cells LX-2. CCl4-induced mice were utilized as an in vivo model to simulate HF. RESULTS Our results demonstrated that JTCD exhibited dual effects by inhibiting hepatic stellate cell (HSCs) activation and modulating the polarisation of macrophages towards the M2 phenotype while decreasing the M1 phenotype. Network pharmacological analyses and molecular docking studies revealed that the Notch signal pathway was significantly enriched and played a crucial role in the therapeutic response of JTCD against HF. Moreover, through the establishment of a co-culture model, we validated that JTCD inhibited the Notch signal pathway in macrophages, leading to alterations in macrophage reprogramming, subsequent inhibition of HSC activation, and ultimately exerting anti-HF effects. CONCLUSION In conclusion, our findings provide solid evidence for JTCD in treating HF, as it suppresses the Notch signal pathway in macrophages, regulates macrophage reprogramming, and inhibits HSC activation.
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Affiliation(s)
- Chang Shao
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Huihui Xu
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Xiguang Sun
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Yun Pan
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Xiaofan Liang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Jiaxin Huang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Yi He
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Wenqin Guo
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Linmao Ye
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Junjie Zhang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
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4
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An Y, Tan S, Yang J, Gao T, Dong Y. The potential role of Hippo pathway regulates cellular metabolism via signaling crosstalk in disease-induced macrophage polarization. Front Immunol 2024; 14:1344697. [PMID: 38274792 PMCID: PMC10808647 DOI: 10.3389/fimmu.2023.1344697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 12/26/2023] [Indexed: 01/27/2024] Open
Abstract
Macrophages polarized into distinct phenotypes play vital roles in inflammatory diseases by clearing pathogens, promoting tissue repair, and maintaining homeostasis. Metabolism serves as a fundamental driver in regulating macrophage polarization, and understanding the interplay between macrophage metabolism and polarization is crucial for unraveling the mechanisms underlying inflammatory diseases. The intricate network of cellular signaling pathway plays a pivotal role in modulating macrophage metabolism, and growing evidence indicates that the Hippo pathway emerges as a central player in network of cellular metabolism signaling. This review aims to explore the impact of macrophage metabolism on polarization and summarize the cell signaling pathways that regulate macrophage metabolism in diseases. Specifically, we highlight the pivotal role of the Hippo pathway as a key regulator of cellular metabolism and reveal its potential relationship with metabolism in macrophage polarization.
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Affiliation(s)
- Yina An
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Shuyu Tan
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Jingjing Yang
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Ting Gao
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yanjun Dong
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
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5
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Cao Z, Lu P, Li L, Geng Q, Lin L, Yan L, Zhang L, Shi C, Li L, Zhao N, He X, Tan Y, Lu C. Bioinformatics-led discovery of liver-specific genes and macrophage infiltration in acute liver injury. Front Immunol 2023; 14:1287136. [PMID: 38130716 PMCID: PMC10733525 DOI: 10.3389/fimmu.2023.1287136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/23/2023] [Indexed: 12/23/2023] Open
Abstract
Background Acute liver injury (ALI) is an important global health concern, primarily caused by widespread hepatocyte cell death, coupled with a complex immune response and a lack of effective remedies. This study explores the underlying mechanisms, immune infiltration patterns, and potential targets for intervention and treatment ALI. Methods The datasets of acetaminophen (APAP), carbon tetrachloride (CCl4), and lipopolysaccharide (LPS)-induced ALI were obtained from the GEO database. Differentially expressed genes (DEGs) were individually identified using the limma packages. Functional enrichment analysis was performed using KEGG, GO, and GSEA methods. The overlapping genes were extracted from the three datasets, and hub genes were identified using MCODE and CytoHubba algorithms. Additionally, PPI networks were constructed based on the String database. Immune cell infiltration analysis was conducted using ImmuCellAI, and the correlation between hub genes and immune cells was determined using the Spearman method. The relationship between hub genes, immune cells, and biochemical indicators of liver function (ALT, AST) was validated using APAP and triptolide (TP) -induced ALI mouse models. Results Functional enrichment analysis indicated that all three ALI models were enriched in pathways linked to fatty acid metabolism, drug metabolism, inflammatory response, and immune regulation. Immune analysis revealed a significant rise in macrophage infiltration. A total of 79 overlapping genes were obtained, and 10 hub genes were identified that were consistent with the results of the biological information analysis after screening and validation. Among them, Clec4n, Ms4a6d, and Lilrb4 exhibited strong associations with macrophage infiltration and ALI.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Cheng Lu
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
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6
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Li Y, Jiang W, Zhou X, Long Y, Sun Y, Zeng Y, Yao X. Advances in Regulating Cellular Behavior Using Micropatterns. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2023; 96:527-547. [PMID: 38161579 PMCID: PMC10751872 DOI: 10.59249/uxoh1740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Micropatterns, characterized as distinct physical microstructures or chemical adhesion matrices on substance surfaces, have emerged as a powerful tool for manipulating cellular activity. By creating specific extracellular matrix microenvironments, micropatterns can influence various cell behaviors, including orientation, proliferation, migration, and differentiation. This review provides a comprehensive overview of the latest advancements in the use of micropatterns for cell behavior regulation. It discusses the influence of micropattern morphology and coating on cell behavior and the underlying mechanisms. It also highlights future research directions in this field, aiming to inspire new investigations in materials medicine, regenerative medicine, and tissue engineering. The review underscores the potential of micropatterns as a novel approach for controlling cell behavior, which could pave the way for breakthroughs in various biomedical applications.
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Affiliation(s)
- Yizhou Li
- Institute of Biomedical Engineering, West China School
of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu,
P.R. China
- State Key Laboratory of Oral Diseases & National
Center for Stomatology & National Clinical Research Center for Oral
Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, P.R.
China
| | - Wenli Jiang
- Institute of Biomedical Engineering, West China School
of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu,
P.R. China
| | - Xintong Zhou
- Institute of Biomedical Engineering, West China School
of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu,
P.R. China
| | - Yicen Long
- Institute of Biomedical Engineering, West China School
of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu,
P.R. China
| | - Yujia Sun
- Institute of Biomedical Engineering, West China School
of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu,
P.R. China
| | - Ye Zeng
- Institute of Biomedical Engineering, West China School
of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu,
P.R. China
| | - Xinghong Yao
- Radiation Oncology Key Laboratory of Sichuan Province,
Department of Radiotherapy, Sichuan Clinical Research Center for Cancer, Sichuan
Cancer Hospital and Institute, Sichuan Cancer Center, Affiliated Cancer Hospital
of University of Electronic Science and Technology of China, Chengdu, P.R.
China
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7
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Radwan SM, Abdel-Latif GA, Abbas SS, Elmongy NF, Wasfey EF. The beneficial effects of l-carnitine and infliximab in methotrexate-induced hepatotoxicity: Emphasis on Notch1/Hes-1 signaling. Arch Pharm (Weinheim) 2023; 356:e2300312. [PMID: 37625018 DOI: 10.1002/ardp.202300312] [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: 06/06/2023] [Revised: 08/13/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023]
Abstract
Methotrexate (MTX)-induced hepatotoxicity is a serious adverse effect that may limit its use. Therefore, eligible drugs to ameliorate MTX-induced hepatotoxicity are required. l-Carnitine (LC) is a natural molecule with beneficial metabolic effects and infliximab (INF) is an anti-inflammatory monoclonal antibody against tumor necrosis factor-alpha (TNF-α). Recently, Notch1/Hes-1 signaling was found to play a key role in the pathogenesis of liver injury. However, its role in MTX-induced hepatotoxicity is unclear. This study aimed to evaluate the modulatory effects of LC or INF on MTX-induced hepatotoxicity and to explore the underlying mechanism with emphasis on the Notch1/Hes-1 signaling pathway. Sixty rats were randomized into six groups (n = 10): (1) control (saline); (2) MTX (20 mg/kg MTX, intraperitoneal [ip], once); (3) LC group (500 mg/kg ip, 5 days); (4) INF (7 mg/kg INF ip, once); (5) MTX+LC (20 mg/kg ip, once, 500 mg/kg ip, 5 days, respectively); (6) MTX+INF (20 mg/kg ip, once, 7 mg/kg INF ip, once, respectively). Oxidative stress, inflammatory markers, and Notch1/Hes-1 were investigated. MTX induced the expression of Notch1 and Hes-1 proteins and increased the levels of TNF-α, interleukin (IL)-6, and IL-1β in the liver. Cotreatment with LC or INF showed apparent antioxidant and anti-inflammatory effects. Interestingly, the downregulation of Notch1 and Hes-1 expression was more prominent in LC cotreatment as compared with INF. In conclusion, LC or INF attenuates MTX-induced hepatotoxicity through modulation of Notch1/Hes-1 signaling. The LC ameliorative effect against MTX-induced hepatotoxicity is significantly better than that of INF. Therefore, LC cotreatment may present a safe and therapeutically effective therapy in alleviating MTX-induced hepatotoxicity.
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Affiliation(s)
- Sara M Radwan
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Ghada A Abdel-Latif
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
- Translational and Clinical Research Unit, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Samah S Abbas
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
- Translational and Clinical Research Unit, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Noura F Elmongy
- Physiology Department, Faculty of Medicine, Al-Azhar University, Damietta, Egypt
| | - Eman F Wasfey
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
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8
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Shi H, Zou Y, Zhong W, Li Z, Wang X, Yin Y, Li D, Liu Y, Li M. Complex roles of Hippo-YAP/TAZ signaling in hepatocellular carcinoma. J Cancer Res Clin Oncol 2023; 149:15311-15322. [PMID: 37608027 DOI: 10.1007/s00432-023-05272-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 08/09/2023] [Indexed: 08/24/2023]
Abstract
BACKGROUND The Hippo signaling pathway is an evolutionarily conserved signaling module that controls organ size in different species, and the disorder of the Hippo pathway can induce liver cancer in organisms, especially hepatocellular carcinoma (HCC). The exact mechanism that causes cancer is still unknown. Recent studies have shown that it is a classical kinase cascade that phosphorylates the Mst1/2-sav1 complex and activates the phosphorylation of the Lats1/2-mob1A/B complex for inactivating Yap and Taz. These kinases and scaffolds are regarded as primary regulators of the Hippo pathway, and help in activating a variety of carcinogenic processes. Among them, Yap/Taz is seen to be the main effector molecule, which is downstream of the Hippo pathway, and its abnormal activation is related to a variety of human cancers including liver cancer. Currently, since Yap/Taz plays a variety of roles in cancer promotion and tumor regeneration, the Hippo pathway has emerged as an attractive target in recent drug development research. METHODS We collect and review relevant literature in web of Science and Pubmed. CONCLUSION This review highlights the important roles of Yap/Taz in activating Hippo pathway in liver cancer. The recent findings on the crosstalks between the Hippo and other cancer associated pathways and moleculars are also discussed. In this review, we summarized and discussed recent breakthroughs in our understanding of how key components of the Hippo-YAP/TAZ pathway influence the hepatocellular carcinoma, including their effects on tumor occurrence and development, their roles in regulating metastasis, and their function in chemotherapy resistance. Further, the molecular mechanism and roles in regulating cross talk between Hippo-YAP/TAZ pathway and other cancer-associated pathways or oncogenes/cancer suppressor genes were summarized and discussed. More, many other inducers and inhibitors of this signaling cascade and available experimental therapies against the YAP/TAZ/TEAD axis were discussed. Targeting this pathway for cancer therapy may have great significance in the treatment of hepatocellular carcinoma. Graphical summary of the complex role of Hippo-YAP/TAZ signaling in hepatocellular carcinoma.
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Affiliation(s)
- Hewen Shi
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China
| | - Ying Zou
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China
| | - Weiwei Zhong
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China
| | - Zhaoying Li
- Traditional Chinese Medicine Research Center, Shandong Public Health Clinical Center, Jinan, 250102, People's Republic of China
| | - Xiaoxue Wang
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China
| | - Yancun Yin
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, 264003, People's Republic of China
| | - Defang Li
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China
| | - Ying Liu
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China.
| | - Minjing Li
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai, 264003, Shandong, People's Republic of China.
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9
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Lin L, Deng K, Gong Z, Fan H, Zhang D, Lu G. Sinensetin Attenuated Macrophagic NLRP3 Inflammasomes Formation via SIRT1-NRF2 Signaling. ACS OMEGA 2023; 8:33514-33525. [PMID: 37744845 PMCID: PMC10515189 DOI: 10.1021/acsomega.3c03319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 08/11/2023] [Indexed: 09/26/2023]
Abstract
Macrophage-mediated inflammation plays essential roles in multiple-organ injury. Sinensetin (SNS) at least exhibits anti-inflammation, antioxidant, and antitumor properties. However, the underlying mechanism of SNS-targeted macrophage-mediated inflammation remains elusive. In the present study, our results showed that SNS suppressed lipopolysaccharide (LPS)-induced inflammation to ameliorate lung and liver injuries. Mechanistically, SNS significantly inhibited M1-type macrophage polarization and its NLRP3 inflammasome formation to significantly decrease tumor necrosis factor α (TNFα) and IL-6 expression, while increasing IL-10 expression. Moreover, SNS interacted and activated SIRT1 to promote NRF2 and its target gene SOD2 transcription, which subsequently decreased LPS-induced inflammation. SIRT1 knockdown impaired the effects of SNS on the inhibition of macrophage polarization, NLRP3 inflammasome formation, and NRF2/SOD2 signaling. Taken together, our results showed that SNS is a potential and promising natural active ingredient to ameliorate inflammatory injury via activating SIRT1/NRF2/SOD2 signaling.
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Affiliation(s)
- Lin Lin
- Department of Respiration,
Guangzhou Women and Children’s Medical Centre, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Kuimiao Deng
- Department of Respiration,
Guangzhou Women and Children’s Medical Centre, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Zongrong Gong
- Department of Respiration,
Guangzhou Women and Children’s Medical Centre, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Huifeng Fan
- Department of Respiration,
Guangzhou Women and Children’s Medical Centre, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Dongwei Zhang
- Department of Respiration,
Guangzhou Women and Children’s Medical Centre, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Gen Lu
- Department of Respiration,
Guangzhou Women and Children’s Medical Centre, Guangzhou Medical University, Guangzhou 510120, Guangdong, China
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10
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Hu K, Shang Z, Yang X, Zhang Y, Cao L. Macrophage Polarization and the Regulation of Bone Immunity in Bone Homeostasis. J Inflamm Res 2023; 16:3563-3580. [PMID: 37636272 PMCID: PMC10460180 DOI: 10.2147/jir.s423819] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 08/15/2023] [Indexed: 08/29/2023] Open
Abstract
Bone homeostasis is a dynamic equilibrium state of bone formation and absorption, ensuring skeletal development and repair. Bone immunity encompasses all aspects of the intersection between the skeletal and immune systems, including various signaling pathways, cytokines, and the crosstalk between immune cells and bone cells under both homeostatic and pathological conditions. Therefore, as key cell types in bone immunity, macrophages can polarize into classical pro-inflammatory M1 macrophages and alternative anti-inflammatory M2 macrophages under the influence of the body environment, participating in the regulation of bone metabolism and playing various roles in bone homeostasis. M1 macrophages can not only act as precursors of osteoclasts (OCs), differentiate into mature OCs, but also secrete pro-inflammatory cytokines to promote bone resorption; while M2 macrophages secrete osteogenic factors, stimulating the differentiation and mineralization of osteoblast precursors and mesenchymal stem cells (MSCs), and subsequently increase bone formation. Once the polarization of macrophages is imbalanced, the resulting immune dysregulation will cause inflammatory stimulation, and release a large amount of inflammatory factors affecting bone metabolism, leading to pathological conditions such as osteoporosis (OP), rheumatoid arthritis (RA), and steroid-induced femoral head necrosis (SANFH). In this review, we introduce the signaling pathways and related factors of macrophage polarization, as well as their relationships with immune factors, OB, OC, and MSC. We also discuss the roles of macrophage polarization and bone immunity in various diseases of bone homeostasis imbalance, as well as the factors regulating them, which may help to develop new methods for treating bone metabolic disorders.
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Affiliation(s)
- Kangyi Hu
- Clinical College of Traditional Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou, People’s Republic of China
| | - Zhengya Shang
- Clinical College of Traditional Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou, People’s Republic of China
| | - Xiaorui Yang
- Clinical College of Traditional Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou, People’s Republic of China
| | - Yongjie Zhang
- Clinical College of Traditional Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou, People’s Republic of China
| | - Linzhong Cao
- Clinical College of Traditional Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou, People’s Republic of China
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