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Liu W, Li M, Guo H, Wei S, Xu W, Yan Y, Shi Y, Xu Z, Chang K, Wei G, Zhao S. Single-cell transcriptome analysis of liver immune microenvironment changes induced by microplastics in mice with non-alcoholic fatty liver. Sci Total Environ 2024; 912:168308. [PMID: 37977403 DOI: 10.1016/j.scitotenv.2023.168308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/19/2023]
Abstract
Recent studies have discovered that tiny particles of microplastics (MPs) at the nano-scale level can enter the body of organisms from the environment, potentially causing metabolic ailments. However, further investigation is required to understand the alterations in the immune microenvironment associated with non-alcoholic fatty liver disease (NAFLD) occurrence following exposure to MPs. Experiments were performed using mice, which were given a normal chow or high-fat diet (NCD or HFD, respectively) plus free drinking of sterile water with or without MPs, respectively. Employing an impartial technique known as unbiased single-cell RNA-sequencing (scRNA-seq), the cellular (single-cell) pathology landscape of NAFLD and related changes in the identified immune cell populations induced following MPs plus HFD treatment were assessed. The results showed that mice in the HFD groups had remarkably greater NAFLD activity scores than those from the NCD groups. Moreover, administration of MPs plus HFD further worsened the histopathological changes in the mice's liver, leading to hepatic steatosis, inflammatory cell infiltrations and ballooning degeneration. Following the construction of a sing-cell resolution transcriptomic atlas of 43,480 cells in the mice's livers of the indicated groups, clear cellular heterogeneity and potential cell-to-cell cross-talk could be observed. Specifically, we observed that MPs exacerbated the pro-inflammatory response and influenced the stemness of hepatocytes during HFD feeding. Importantly, treatment with MPs significantly increase the infiltration of the infiltrating liver-protecting Vsig4+ macrophages in the liver of the NAFLD mouse model while remarkably decreasing the angiogenic S100A6+ macrophage subpopulation. Furthermore, mice treated with MPs plus HFD exhibited significantly increased recruitment of CD4+ cells and heightened exhaustion of CD8+ T cells than those from the control group, characteristics typically associated with the dysregulation of immune homeostasis and severe inflammatory damage. Overall, this study offers valuable perspectives into comprehending the potential underlying cellular mechanisms and regulatory aspects of the microenvironment regarding MPs in the development of NAFLD.
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Affiliation(s)
- Wangrui Liu
- Department of Interventional Oncology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Meng Li
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Huaqi Guo
- Department of Pulmonary and Critical Care Medicine, The Ninth People's Hospital of Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Shiyin Wei
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, China
| | - Wenhao Xu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yuanliang Yan
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Yaoping Shi
- Department of Interventional Oncology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Zhijie Xu
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.
| | - Kun Chang
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China.
| | - Gang Wei
- Beijing Key Laboratory of Diabetes Research and Care, Department of Endocrinology, Beijing Diabetes Institute, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China.
| | - Shuai Zhao
- Department of Transplantation, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Tang S, Borlak J. Genomics of human NAFLD: Lack of data reproducibility and high interpatient variability in drug target expression as major causes of drug failures. Hepatology 2024:01515467-990000000-00749. [PMID: 38358517 DOI: 10.1097/hep.0000000000000780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 01/19/2024] [Indexed: 02/16/2024]
Abstract
BACKGROUND AND AIMS NAFLD is a major disease burden and a foremost cause of chronic liver disease. Presently, nearly 300 trials evaluate the therapeutic efficacy of > 20 drugs. Remarkably, the majority of drugs fail. To better comprehend drug failures, we investigated the reproducibility of fatty liver genomic data across 418 liver biopsies and evaluated the interpatient variability of 18 drug targets. APPROACH AND RESULTS Apart from our own data, we retrieved NAFLD biopsy genomic data sets from public repositories and considered patient demographics. We divided the data into test and validation sets, assessed the reproducibility of differentially expressed genes and performed gene enrichment analysis. Patients were stratified by disease activity score, fibrosis grades and sex, and we investigated the regulation of 18 drug targets across 418 NAFLD biopsies of which 278 are NASH cases. We observed poor reproducibility of differentially expressed genes across 9 independent studies. On average, only 4% of differentially expressed genes are commonly regulated based on identical sex and 2% based on identical NAS disease score and fibrosis grade. Furthermore, we observed sex-specific gene regulations, and for females, we noticed induced expression of genes coding for inflammatory response, Ag presentation, and processing. Conversely, extracellular matrix receptor interactions are upregulated in males, and the data agree with clinical findings. Strikingly, and with the exception of stearoyl-CoA desaturase, most drug targets are not regulated in > 80% of patients. CONCLUSIONS Lack of data reproducibility, high interpatient variability, and the absence of disease-dependent drug target regulations are likely causes of NASH drug failures in clinical trials.
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Affiliation(s)
- Shifang Tang
- Centre for Pharmacology and Toxicology, Hannover Medical School, Hannover, Germany
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Wang X, Song R, Li X, He K, Ma L, Li Y. Bioinformatics analysis of the genes associated with co-occurrence of heart failure and lung cancer. Exp Biol Med (Maywood) 2023; 248:843-857. [PMID: 37073135 PMCID: PMC10484198 DOI: 10.1177/15353702231162081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 01/03/2023] [Indexed: 04/20/2023] Open
Abstract
Deaths of non-cardiac causes in patients with heart failure (HF) are on the rise, including lung cancer (LC). However, the common mechanisms behind the two diseases need to be further explored. This study aimed to improve understanding on the co-occurrence of LC and HF. In this study, gene expression profiles of HF (GSE57338) and LC (GSE151101) were comprehensively analyzed using the Gene Expression Omnibus database. Functional annotation, protein-protein interaction network, hub gene identification, and co-expression analysis were proceeded when the co-differentially expressed genes in HF and LC were identified. Among 44 common differentially expressed genes, 17 hub genes were identified to be associated with the co-occurrence of LC and HF; the hub genes were verified in 2 other data sets. Nine genes, including ALOX5, FPR1, ADAMTS15, ALOX5AP, ANPEP, SULF1, C1orf162, VSIG4, and LYVE1 were selected after screening. Functional analysis was performed with particular emphasis on extracellular matrix organization and regulation of leukocyte activation. Our findings suggest that disorders of the immune system could cause the co-occurrence of HF and LC. They also suggest that abnormal activation of extracellular matrix organization, inflammatory response, and other immune signaling pathways are essential in disorders of the immune system. The validated genes provide new perspectives on the common underlying pathophysiology of HF and LC, and may aid further investigation in this field.
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Affiliation(s)
- Xiaoying Wang
- Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai 201318, China
- Graduate School, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Rui Song
- Xuhui District Center for Disease Prevention and Control, Shanghai 200237, China
| | - Xin Li
- Cardiovascular Medicine Department, East Hospital Affiliated to Tongji University, Shanghai 200120, China
| | - Kai He
- Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai 201318, China
- Graduate School, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Linlin Ma
- Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai 201318, China
| | - Yanfei Li
- Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai 201318, China
- Graduate School, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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Zhang N, Li J, Wang L, Wei Y, Emu Q, Xu F, Zhang L. Transcriptome analysis reveals the regulatory effects of Bacillus amyloliquefaciens and Bacillus pumilus on immune and digestive related genes in the spleen of weanling black goats. Funct Integr Genomics 2023; 23:124. [PMID: 37055595 DOI: 10.1007/s10142-023-01025-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 04/15/2023]
Abstract
The aim of the present study was to evaluate the effects of Bacillus amyloliquefaciens fsznc-06 and Bacillus pumilus fsznc-09 on the expressions of spleen genes in weanling Jintang black goats. Bacillus amyloliquefaciens fsznc-06 (BA-treated group) and Bacillus pumilus fsznc-09 (BP-treated group) were directly fed to goats, and the spleens were harvested for transcriptome analysis. The KEGG pathway analysis showed that the differentially expressed genes (DEGs) in BA-treated vs CON group were mainly involved in digestive system and immune system, while those in BP-treated vs CON group were mainly involved in immune system, and those in BA-treated vs BP-treated group were mainly involved in digestive system. In conclusion, Bacillus amyloliquefaciens fsznc-06 might promote the expressions of genes related to immune system and digestive system, reduce the expressions of disease genes related to digestive system and might promote mutual accommodation of some immune genes in weanling black goat. Bacillus pumilus fsznc-09 might promote the expressions of genes related to immune system and mutual accommodation of some immune genes in weanling black goat. Bacillus amyloliquefaciens fsznc-06 has advantages over Bacillus pumilus fsznc-09 in promoting the expressions of genes related to digestive system and mutual accommodation of some immune genes.
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Affiliation(s)
- Nanchi Zhang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Ministry of Education, Chengdu, 610041, China
- Key Laboratory of Animal Science of National Ethnic Affairs Commission of China, Southwest Minzu University, No.16, South Fourth Section, First Ring Road, Chengdu, 610041, China
| | - Juan Li
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Ministry of Education, Chengdu, 610041, China
- Key Laboratory of Animal Science of National Ethnic Affairs Commission of China, Southwest Minzu University, No.16, South Fourth Section, First Ring Road, Chengdu, 610041, China
| | - Li Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Ministry of Education, Chengdu, 610041, China.
- Key Laboratory of Animal Science of National Ethnic Affairs Commission of China, Southwest Minzu University, No.16, South Fourth Section, First Ring Road, Chengdu, 610041, China.
| | - Yong Wei
- Animal Genetics and Breeding Key Laboratory of Sichuan Province, Sichuan Animal Sciences Academy, No.7, Niusha Road, Chengdu, 610066, China.
| | - Quzhe Emu
- Animal Genetics and Breeding Key Laboratory of Sichuan Province, Sichuan Animal Sciences Academy, No.7, Niusha Road, Chengdu, 610066, China
| | - Feng Xu
- Animal Genetics and Breeding Key Laboratory of Sichuan Province, Sichuan Animal Sciences Academy, No.7, Niusha Road, Chengdu, 610066, China
| | - Lin Zhang
- Animal Genetics and Breeding Key Laboratory of Sichuan Province, Sichuan Animal Sciences Academy, No.7, Niusha Road, Chengdu, 610066, China
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Li HY, Fu SW, Wu JC, Li ZH, Xu MY. Vsig4 + resident single-Kupffer cells improve hepatic inflammation and fibrosis in NASH. Inflamm Res 2023; 72:669-682. [PMID: 36745210 DOI: 10.1007/s00011-023-01696-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 10/28/2022] [Accepted: 01/20/2023] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The role of macrophages in the pathogenesis of nonalcoholic steatohepatitis (NASH) is complex and unclear. METHODS Single-cell RNA sequencing was performed on nonparenchymal cells isolated from NASH and control mice. The expression of Vsig4+ macrophages was verified by qPCR, flow cytometry and immunohistochemistry. Primary hepatic macrophages were cocultured with primary hepatocytes or hepatic stellate cells (LX2) cells by Transwell to detect immunofluorescence and oil red O staining. RESULTS Two main single macrophage subsets were identified that exhibited a significant change in cell percentage when NASH occurred: resident Kupffer cells (KCs; Cluster 2) and lipid-associated macrophages (LAMs; Cluster 13). Nearly 82% of resident single KCs in Cluster 2 specifically expressed Cd163, and an inhibited subgroup of Cd163+ resident single-KCs was suggested to be protective against NASH. Similar to Cd163, Vsig4 was both enriched in and specific to Cluster 2. The percentage of Vsig4+-KCs was significantly decreased in NASH in vivo and in vitro. Hepatocytes and hepatic stellate cells produced less lipid droplet accumulation, proinflammatory protein (TNF-α) and profibrotic protein (α-SMA) in response to coculture with Vsig4+-KCs than in those cocultured with lipotoxic KCs. CONCLUSIONS A subgroup of Vsig4+ resident single-KCs was shown to improve hepatic inflammation and fibrosis in NASH.
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Affiliation(s)
- Hui-Yi Li
- Department of Gastroenterology, School of Medicine, Shanghai East Hospital, Tongji University, No. 1800, Yuntai Rd, Shanghai, 310115, China
| | - Seng-Wang Fu
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Jun-Cheng Wu
- Department of Gastroenterology, The Third Affiliated Hospital of Soochow University, Changzhou, 213000, Jiangsu Province, China
| | - Zheng-Hong Li
- Department of Gastroenterology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, No. 1665, Kongjiang Rd, Shanghai, 200092, China.
| | - Ming-Yi Xu
- Department of Gastroenterology, School of Medicine, Shanghai East Hospital, Tongji University, No. 1800, Yuntai Rd, Shanghai, 310115, China.
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Liu B, Cheng L, Gao H, Zhang J, Dong Y, Gao W, Yuan S, Gong T, Huang W. The biology of VSIG4: Implications for the treatment of immune-mediated inflammatory diseases and cancer. Cancer Lett 2023; 553:215996. [PMID: 36343787 DOI: 10.1016/j.canlet.2022.215996] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/30/2022] [Accepted: 11/01/2022] [Indexed: 11/06/2022]
Abstract
V-set and immunoglobulin domain containing 4 (VSIG4), a type I transmembrane receptor exclusively expressed in a subset of tissue-resident macrophages, plays a pivotal role in clearing C3-opsonized pathogens and their byproducts from the circulation. VSIG4 maintains immune homeostasis by suppressing the activation of complement pathways or T cells and inducing regulatory T-cell differentiation, thereby inhibiting the development of immune-mediated inflammatory diseases but enhancing cancer progression. Consequently, VSIG4 exhibits a potential therapeutic effect for immune-mediated inflammatory diseases, but also is regarded as a novel target of immune checkpoint inhibition in cancer therapy. Recently, soluble VSIG4, the extracellular domain of VSIG4, shed from the surface of macrophages, has been found to be a biomarker to define macrophage activation-related diseases. This review mainly summarizes recent new findings of VSIG4 in macrophage phagocytosis and immune homeostasis, and discusses its potential diagnostic and therapeutic usage in infection, inflammation, and cancer.
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Affiliation(s)
- Bei Liu
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China; PLA 307 Clinical College of Anhui Medical University, Beijing, 100071, China
| | - Li Cheng
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China
| | - Honghao Gao
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China
| | - Jiale Zhang
- Department of Thoracic Surgery, The Sixth Medical Center of PLA General Hospital, Fuchenglu 6#, Haidian District, Beijing, 100048, China
| | - Yanxin Dong
- Department of Thoracic Surgery, The Sixth Medical Center of PLA General Hospital, Fuchenglu 6#, Haidian District, Beijing, 100048, China
| | - Wenda Gao
- Antagen Institute for Biomedical Research, Boston, MA, 02021, USA
| | - Shunzong Yuan
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China; PLA 307 Clinical College of Anhui Medical University, Beijing, 100071, China.
| | - Taiqian Gong
- Department of Thoracic Surgery, The Sixth Medical Center of PLA General Hospital, Fuchenglu 6#, Haidian District, Beijing, 100048, China.
| | - Wenrong Huang
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China.
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Li Y, Wang Q, Li J, Li A, Wang Q, Zhang Q, Chen Y. Therapeutic modulation of V Set and Ig domain-containing 4 (VSIG4) signaling in immune and inflammatory diseases. Cytotherapy 2023; 25:561-572. [PMID: 36642683 DOI: 10.1016/j.jcyt.2022.12.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/14/2022] [Accepted: 12/14/2022] [Indexed: 01/15/2023]
Abstract
Inflammation is the result of acute and chronic stresses, caused by emotional or physical trauma, or nutritional or environmental pollutants, and brings serious harm to human life and health. As an important cellular component of the innate immune barrier, the macrophage plays a key role in maintaining tissue homeostasis and promoting tissue repair by controlling infection and resolving inflammation. Several studies suggest that V Set and Ig domain-containing 4 is specifically expressed in tissue macrophages and is associated with a variety of inflammatory diseases. In this paper, we mainly summarize the recent research on V Set and Ig domain-containing 4 structures, functions, function and roles in acute and chronic inflammatory diseases, and provide a novel therapeutic avenue for the treatment of inflammatory diseases, including nervous system, urinary, respiratory and metabolic diseases.
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Affiliation(s)
- You Li
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China
| | - Qi Wang
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China
| | - Jiaxin Li
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China
| | - Aohan Li
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China
| | - Qianqian Wang
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China
| | - Qinggao Zhang
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China.
| | - Yingqing Chen
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China.
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Wang Y, Ding J, Song H, Teng Y, Fang X. VSIG4 regulates macrophages polarization and alleviates inflammation through activating PI3K/AKT and inhibiting TLR4/NF-κB pathway in myocardial ischemia-reperfusion injury rats. Physiol Int 2022. [PMID: 36057104 DOI: 10.1556/2060.2022.00055] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 08/15/2022] [Indexed: 02/18/2024]
Abstract
Background Myocardial infarction is the primary cause of high disability and mortality in patients with cardiovascular disease worldwide. The pathological process of myocardial ischemia/reperfusion (I/R) may trigger harmful inflammatory response and ultimately lead to serious cardiac dysfunction. The mechanism of myocardial repair post myocardial infarction has not been fully elucidated. The present study speculated that VSIG4 is related to the regulation of heart injury. Methods The myocardial I/R injury model was established in Sprague-Dawley (SD) rats. Before I/R operation, the viral solution containing AAV-NC or AAV-VSIG4 was intravenously injected into rats. Cardiac function indicators, mRNA expression, the apoptosis ratio of cardiomyocytes, myocardial infarct area, phenotype polarization of macrophage, and the protein expression of apoptosis or macrophage phenotype were measured. Results Myocardial I/R injury decreased the expression of VSIG4 and subsequently triggered myocardial apoptosis. The induction of AAV-VSIG4 produced a protective effect on general cardiac function and attenuated the I/R-induced cellular apoptosis in rats. Moreover, VSIG4 signaling might potentially modulate macrophage M1/M2-related inflammatory disorders via activation of PI3K/AKT and inhibition of TLR4/NF-κB expression. Conclusion In summary, the present study provided evidence that VSIG4 had cardiac protective role in myocardial I/R injury. More importantly, enhanced VSIG4 expression inhibited M1 polarization of macrophages by blocking TLR4/NF-κB activation, subsequently suppressing cardiomyocyte apoptosis. This finding provides vital insights into the role of VSIG4 in I/R injury and may provide a new target for I/R therapy.
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Affiliation(s)
- Yanan Wang
- 1 Department of Cardiac Function, The First Affiliated Hospital of Kangda College of Nanjing Medical University (The First People's Hospital of Lianyungang), Lianyungang, Jiangsu, 222000 China
| | - Jie Ding
- 1 Department of Cardiac Function, The First Affiliated Hospital of Kangda College of Nanjing Medical University (The First People's Hospital of Lianyungang), Lianyungang, Jiangsu, 222000 China
| | - Hejian Song
- 2 Department of Cardiovasology, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu, 222000 China
| | - Yanling Teng
- 1 Department of Cardiac Function, The First Affiliated Hospital of Kangda College of Nanjing Medical University (The First People's Hospital of Lianyungang), Lianyungang, Jiangsu, 222000 China
| | - Xiaoling Fang
- 1 Department of Cardiac Function, The First Affiliated Hospital of Kangda College of Nanjing Medical University (The First People's Hospital of Lianyungang), Lianyungang, Jiangsu, 222000 China
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Zhou Y, Tao D, Shao Z, Wang X, Xu J, Li Y, Li K. Expression profiles of exosomal tRNA-derived fragments and their biological functions in lipomas. Front Cell Dev Biol 2022; 10:942133. [PMID: 36035989 PMCID: PMC9399354 DOI: 10.3389/fcell.2022.942133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/18/2022] [Indexed: 11/30/2022] Open
Abstract
There is evidence that exosomes derived from the lipoma tissue (Exo-LT) have a stronger capacity to promote the proliferation and migration of adipose-derived stem cells (ADSCs) than those from the adipose tissue (Exo-AT). But the Exo-LT do not have a significant effect on the adipogenic differentiation of the ADSCs. Recently, certain exosomal tRNA-derived fragments (tRFs) have been shown to play a crucial role in the pathogenesis of certain tumors. Therefore, it is necessary to identify the differently expressed tRFs in Exo-LT to further elucidate their molecular functions in lipomas. High-throughput sequencing was performed to examine the tRFs and mRNAs from the all samples belonging to the Exo-LT and Exo-AT groups. Target prediction and bioinformatics analysis were performed to explore their downstream mRNAs and biological functions. In total, 456 differently expressed tRFs and tiRNAs were identified in the Exo-LT group, 12 of which were up-regulated and 12 were down-regulated, respectively. Notably, tRF-1001 was most obviously down-regulated and tRF-3004a was most obviously up-regulated in the Exo-LT group. Moreover, among the target genes of tRF-1001 and tRF-3004a, both JAG2 and VSIG4 were significantly down-regulated in the Exo-LT group, while WNT5A, COL1A1, and PPARGC1A were highly expressed in both the Exo-LT and Exo-AT groups. The significant down-regulation of JAG2 and VSIG4 in the Exo-LT group could be due to the fact that Exo-LT had a stronger capacity to promote the proliferation and migration of ADSCs compared to the Exo-AT. The high expression of WNT5A, COL1A1, and PPARGC1A in both the Exo-LT and Exo-AT groups could be due to the similar ability of Exo-LT and Exo-AT to promote the adipogenic differentiation of ADSCs.
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Affiliation(s)
- Yuxi Zhou
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Daixi Tao
- Department of Changsha Traditional Chinese Medicine Hospital, Changsha, Hunan, China
| | - Zifei Shao
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Xiang Wang
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Jinhao Xu
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Yiyang Li
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Kun Li
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
- *Correspondence: Kun Li,
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Widyagarini A, Nishii N, Kawano Y, Zhang C, Azuma M. VSIG4/CRIg directly regulates early CD8 + T cell activation through its counter-receptor in a narrow window. Biochem Biophys Res Commun 2022; 614:100-106. [PMID: 35576680 DOI: 10.1016/j.bbrc.2022.04.120] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 04/26/2022] [Indexed: 11/02/2022]
Abstract
T-cell responses are fine-tuned by positive and negative co-signal molecules expressed on immune cells and adjacent tissues. VSIG4 is a newly identified member of the B7 family of ligands, which negatively regulates innate inflammatory and CD4+ T cell-mediated responses. However, little is known about the direct effects of VSIG4, which are exerted through an unidentified counter-receptor on CD8+ T cells. We investigated the binding of the VSIG4-Ig fusion protein during CD8+ T cell activation, and the functional involvement of VSIG4 pathway, using VSIG4-Ig and VSIG4-transfectants. VSIG4-Ig binding to CD8+ T cells was temporally observed in the CD44high phenotype during initial activation. VSIG4-Ig binding was observed earlier than the induction of PD-1, LAG3, and TIM-3, which are immune checkpoint receptors for exhausted CD8+ T cells. Immobilized VSIG4-Ig inhibited anti-CD3/CD28 mAb-induced CD8+ T cell activation, as indicated by proliferation and IFN-γ production, similar to the downregulation of T-bet and Eomesodermin transcription factors. VSIG4 on FcγR+ P815 or specific antigen-presenting E.G7 cells inhibited the generation of effector CD8+ T cells, as indicated by proliferation, IFN-γ and TNF-α expression, and granule degradation, compared to parental cells. However, the window for the regulatory function of VSIG4 was narrow and dependent on the strength of TCR (and CD28)-mediated signals. Our results suggested that VSIG4 directly delivers co-inhibitory signals via an as-yet unidentified counter-receptor on activated CD8+ T cells. VSIG4-mediated CD8+ T cell tolerance might contribute to the steady-state maintenance of homeostasis.
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Affiliation(s)
- Amrita Widyagarini
- Department of Molecular Immunology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Naoto Nishii
- Department of Molecular Immunology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yohei Kawano
- Department of Molecular Immunology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Chenyang Zhang
- Department of Molecular Immunology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Miyuki Azuma
- Department of Molecular Immunology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.
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11
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Zhang J, Li KY, Liu XY, Tu YY. Up-regulation of VSIG4 alleviates kidney transplantation-associated acute kidney injury through suppressing inflammation and ROS via regulation of AKT signaling. Free Radic Biol Med 2021:S0891-5849(21)00843-1. [PMID: 34856328 DOI: 10.1016/j.freeradbiomed.2021.11.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/24/2021] [Accepted: 11/28/2021] [Indexed: 02/07/2023]
Abstract
Prolonged cold ischemia (CI) is a risk factor for acute kidney injury (AKI) after kidney transplantation (KT). AKI is an abrupt and rapid reduction in renal function due to multi-factors, including inflammation, oxidative stress and apoptosis. V-set immunoglobulin-domain-containing 4 (VSIG4) is a B7 family-related protein and specifically expressed in resting tissue-resident macrophages to mediate various cellular events. In the study, we attempted to explore the effects of VSIG4 on CI/KT-induced AKI in a mouse model. Our results showed that VSIG4 expression was markedly down-regulated in serum of kidney transplant recipients with acute rejection, and in renal tissues of cold ischemia-reperfusion (IR)-operated mice with AKI, which was confirmed in murine macrophages stimulated by oxygen glucose deprivation/reoxygenation (OGD/R). We then found that exogenous VSIG4 markedly ameliorated histological changes in kidney of CI/KT mice by suppressing inflammation and apoptosis through restraining nuclear factor-κB (NF-κB) and Caspase-3 activation, respectively. Oxidative stress and reactive oxygen species (ROS) accumulation in renal tissues were also mitigated by exogenous VSIG4 in CI/KT mice through improving nuclear factor-erythroid 2 related factor 2 (Nrf2) nuclear expression. The inhibitory effects of VSIG4 on inflammation, ROS generation and cell death were confirmed in OGD/R-treated macrophages, which further ameliorated oxidative damage and apoptosis in podocytes. More in vivo and in vitro studies showed that CI/KT- and OGD/R-induced AKI was further accelerated by VSIG4 knockdown. Mechanistically, VSIG4 directly interacted with AKT, and AKT activation was necessary for VSIG4 to govern all these above mentioned cellular processes. Collectively, our findings demonstrated that VSIG4 could mitigate AKI in a CI/KT mouse model, and we identified VSIG4/AKT axis as a promising therapeutic target for the treatment of the disease.
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Affiliation(s)
- Jie Zhang
- Department of Organ Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510000, China
| | - Kun-Yuan Li
- Department of Organ Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510000, China
| | - Xiao-You Liu
- Department of Organ Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510000, China.
| | - Yan-Yang Tu
- Department of Experimental Surgery, Tangdu Hospital of the Fourth Military Medical University, Xi'an, 710000, China
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12
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Lee SW. VISTA Stimulation of VSIG4-Positive Macrophages Strongly Suppresses T Cell Proliferation via Excessive Nitric Oxide Production in Sepsis. Biol Pharm Bull 2021; 44:1645-1652. [PMID: 34433706 DOI: 10.1248/bpb.b21-00616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Organ damage and immune deficiency are important problems in sepsis caused by an excessive immune response. There is controversy about the cause of immune suppression. In this study, we investigated the roles of macrophages that exhibit excessive activity on T cell immunity. Peritoneal macrophages from mice with cecal ligation and puncture (CLP)-induced sepsis migrated to different organs. In particular, V-set immunoglobulin (Ig)-domain-containing 4 (VSIG4) positive macrophages appeared in the spleen 48 h after CLP induction. When cocultured with splenic T cells, VSIG4(+) cells inhibited the proliferation of activated T cells through the release of nitric oxide (NO) compared to VSIG4(-) cells. Stimulation of VSIG4(+) cells with V-domain Ig suppressor of T cell activation (VISTA) antibody increased the expression of several cytokine genes and the release of NO, but not phagocytosis, compared to those of hamster IgG-stimulated VSIG4(+) cells. When cocultured with splenic T cells, VISTA-stimulated VSIG4(+) cells induced excessive T cell suppression via more NO secretion compared to hamster IgG-stimulated VSIG4(+) cells. Taken together, the current study demonstrates that VSIG4(+) peritoneal macrophages play important roles in inducing immunosuppression and that VISTA acts as a costimulatory receptor in these cells. These data suggest that blocking the migration of VSIG4(+) cells might alleviate excessive immune activity and that blocking VISTA on VSIG4(+) macrophages might play a crucial role in the development of new therapies to prevent T cell suppression in sepsis.
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Affiliation(s)
- Soo-Woong Lee
- Innovative Therapeutics Research Institute, College of Medicine, Inje University
- Department of Convergence Biomedical Science, College of Medicine, Inje University
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13
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Zhang D, Shen X, Pang K, Yang Z, Yu A. VSIG4 alleviates intracerebral hemorrhage induced brain injury by suppressing TLR4-regulated inflammatory response. Brain Res Bull 2021; 176:67-75. [PMID: 34419512 DOI: 10.1016/j.brainresbull.2021.08.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 08/06/2021] [Accepted: 08/17/2021] [Indexed: 11/16/2022]
Abstract
AIMS Numerous evidence demonstrated that macrophage mediated inflammation contributed to brain injury following ICH, but the molecular mechanism had not been well studied. V-set immunoglobulin-domain-containing 4 (VSIG4), specifically expresses in resting tissue-resident macrophages, can deliver anti-inflammatory signals into various inflammatory diseases. However, the role of VSIG4 on ICH has not been reported. METHODS In the present study, we investigated the levels of VSIG4 in macrophages following ICH. Furthermore, Macrophage M1/M2 polarization, pro-inflammatory cytokine production, BBB disruption, brain water content and neurological function were examined in ICH mice. In addition, TLR4/NF-κβ downstream signals were also analyzed. RESULTS The results showed that VSIG4 levels of macrophage decreased following ICH, leading to macrophage M1 polarization. Up-regulation of VSIG4 inhibited macrophage M1 polarization, pro-inflammatory cytokine production, BBB disruption, as well as neurological deficits. Up-regulation of VSIG4 attenuated macrophage TLR4 levels following ICH. Co-IP demonstrated that VSIG4 could interact with TLR4 and inhibit its expression. CONCLUSIONS Our data demonstrated that VSIG4 was negatively correlated with TLR4 and involved in the pathogenesis of ICH, which prevented brain injury and attenuated deleterious inflammatory responses following ICH. In addition, the anti-inflammatory effect of VSIG4 was mainly through the blockage of TLR4/NF-κβ signaling.
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Affiliation(s)
- Dongzhu Zhang
- Department of Ultrasound, Yongchuan Hospital, Chongqing Medical University, Chongqing, 402160, China
| | - Xue Shen
- Department of Neurology, Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Ke Pang
- Department of Neurology, Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Zhao Yang
- Department of Neurology, Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China.
| | - Anyong Yu
- Emergency Department of Emergency, Affiliated Hospital of Zunyi Medical University, Guizhou 563003, China.
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14
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Dabravolski SA, Bezsonov EE, Baig MS, Popkova TV, Orekhov AN. Mitochondrial Lipid Homeostasis at the Crossroads of Liver and Heart Diseases. Int J Mol Sci 2021; 22:6949. [PMID: 34203309 DOI: 10.3390/ijms22136949] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/19/2021] [Accepted: 06/25/2021] [Indexed: 12/16/2022] Open
Abstract
The prevalence of NAFLD (non-alcoholic fatty liver disease) is a rapidly increasing problem, affecting a huge population around the globe. However, CVDs (cardiovascular diseases) are the most common cause of mortality in NAFLD patients. Atherogenic dyslipidemia, characterized by plasma hypertriglyceridemia, increased small dense LDL (low-density lipoprotein) particles, and decreased HDL-C (high-density lipoprotein cholesterol) levels, is often observed in NAFLD patients. In this review, we summarize recent genetic evidence, proving the diverse nature of metabolic pathways involved in NAFLD pathogenesis. Analysis of available genetic data suggests that the altered operation of fatty-acid β-oxidation in liver mitochondria is the key process, connecting NAFLD-mediated dyslipidemia and elevated CVD risk. In addition, we discuss several NAFLD-associated genes with documented anti-atherosclerotic or cardioprotective effects, and current pharmaceutical strategies focused on both NAFLD treatment and reduction of CVD risk.
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15
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Paraiso IL, Tran TQ, Magana AA, Kundu P, Choi J, Maier CS, Bobe G, Raber J, Kioussi C, Stevens JF. Xanthohumol ameliorates Diet-Induced Liver Dysfunction via Farnesoid X Receptor-Dependent and Independent Signaling. Front Pharmacol 2021; 12:643857. [PMID: 33959012 PMCID: PMC8093804 DOI: 10.3389/fphar.2021.643857] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 03/22/2021] [Indexed: 12/20/2022] Open
Abstract
The farnesoid X receptor (FXR) plays a critical role in the regulation of lipid and bile acid (BA) homeostasis. Hepatic FXR loss results in lipid and BA accumulation, and progression from hepatic steatosis to nonalcoholic steatohepatitis (NASH). This study aimed to evaluate the effects of xanthohumol (XN), a hop-derived compound mitigating metabolic syndrome, on liver damage induced by diet and FXR deficiency in mice. Wild-type (WT) and liver-specific FXR-null mice (FXRLiver−/−) were fed a high-fat diet (HFD) containing XN or the vehicle formation followed by histological characterization, lipid, BA and gene profiling. HFD supplemented with XN resulted in amelioration of hepatic steatosis and decreased BA concentrations in FXRLiver−/− mice, the effect being stronger in male mice. XN induced the constitutive androstane receptor (CAR), pregnane X receptor (PXR) and glucocorticoid receptor (GR) gene expression in the liver of FXRLiver−/− mice. These findings suggest that activation of BA detoxification pathways represents the predominant mechanism for controlling hydrophobic BA concentrations in FXRLiver−/− mice. Collectively, these data indicated sex-dependent relationship between FXR, lipids and BAs, and suggest that XN ameliorates HFD-induced liver dysfunction via FXR-dependent and independent signaling.
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Affiliation(s)
- Ines L Paraiso
- Linus Pauling Institute, Oregon State University, Corvallis, OR, United States.,Department of Pharmaceutical Sciences, Oregon State University, Corvallis, OR, United States
| | - Thai Q Tran
- Department of Pharmaceutical Sciences, Oregon State University, Corvallis, OR, United States
| | - Armando Alcazar Magana
- Linus Pauling Institute, Oregon State University, Corvallis, OR, United States.,Department of Pharmaceutical Sciences, Oregon State University, Corvallis, OR, United States.,Department of Chemistry, Oregon State University, Corvallis, OR, United States
| | - Payel Kundu
- Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, OR, United States
| | - Jaewoo Choi
- Linus Pauling Institute, Oregon State University, Corvallis, OR, United States
| | - Claudia S Maier
- Department of Chemistry, Oregon State University, Corvallis, OR, United States
| | - Gerd Bobe
- Linus Pauling Institute, Oregon State University, Corvallis, OR, United States.,Department of Animal and Rangeland Sciences, Oregon State University, Corvallis, OR, United States
| | - Jacob Raber
- Department of Pharmaceutical Sciences, Oregon State University, Corvallis, OR, United States.,Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, OR, United States.,Department of Neurology, Psychiatry and Radiation Medicine, Division of Neuroscience, Oregon National Primate Research Center, Oregon Health and Science University, Portland, OR, United States
| | - Chrissa Kioussi
- Department of Pharmaceutical Sciences, Oregon State University, Corvallis, OR, United States
| | - Jan F Stevens
- Linus Pauling Institute, Oregon State University, Corvallis, OR, United States.,Department of Pharmaceutical Sciences, Oregon State University, Corvallis, OR, United States
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16
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Su C, Wang Q, Luo H, Jiao W, Tang J, Li L, Tian L, Chen X, Liu B, Yu X, Li S, Guo S, Wang W. Si-Miao-Yong-An decoction attenuates cardiac fibrosis via suppressing TGF-β1 pathway and interfering with MMP-TIMPs expression. Biomed Pharmacother 2020; 127:110132. [PMID: 32403042 DOI: 10.1016/j.biopha.2020.110132] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 03/24/2020] [Accepted: 03/27/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Myocardial fibrosis is an important pathological feature of pressure overload cardiac remodeling. Si-Miao-Yong-An decoction (SMYAD), a traditional Chinese formula, is now clinically used in the treatment of cardiovascular diseases in China. However, its mechanisms in the prevention of heart failure are not fully revealed. PURPOSE To determine whether treatment with SMYAD for 4 weeks would lead to changes in collagen metabolism and ventricular remodeling in a mice model of heart failure. METHODS Mice were subjected to transverse aorta constriction to generate pressure overload induced cardiac remodeling and then were administered SMYAD (14.85 g/kg/day) or captopril (16.5 mg/kg/day) intragastrically for 4 weeks after surgery. Echocardiography and immunohistochemical examination were used to evaluate the effects of SMYAD. The mRNA of collagen metabolism biomarkers were detected. Protein expression of TGF-β1/Smad and TGF-β1/TAK1/p38 pathway were assessed by Western blot. RESULTS SMYAD significantly improved cardiac function, increased left ventricle ejection fraction, and decreased fibrosis area and αSMA expression. Moreover, SMYAD reduced proteins expression related to collagen metabolism, including Col1, Col3, TIMP2 and CTGF. The increased levels of TGF-β1, Smad2, and Smad3 phosphorylation were attenuated in SMYAD group. In addition, SMYAD reduced the levels of TGF-β1, p-TAK1 and p-p38 compared with TAC group. CONCLUSIONS SMYAD improved cardiac fibrosis and heart failure by inhibition of TGF-β1/Smad and TGF-β1/TAK1/p38 pathway. SMYAD protected against cardiac fibrosis and maintained collagen metabolism balance by regulating MMP-TIMP expression. Taken together, these results indicate that SMYAD might be a promising therapeutic agent against cardiac fibrosis.
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Affiliation(s)
- Congping Su
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Qing Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Hui Luo
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Wenchao Jiao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jiayang Tang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Lin Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Lei Tian
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Xiangyang Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Bin Liu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Xue Yu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Sen Li
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing 100029, China.
| | - Shuzhen Guo
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China.
| | - Wei Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China.
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17
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Shi CX, Wang Y, Chen Q, Jiao FZ, Pei MH, Gong ZJ. Extracellular Histone H3 Induces Pyroptosis During Sepsis and May Act Through NOD2 and VSIG4/NLRP3 Pathways. Front Cell Infect Microbiol 2020; 10:196. [PMID: 32432055 PMCID: PMC7216582 DOI: 10.3389/fcimb.2020.00196] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 04/14/2020] [Indexed: 12/17/2022] Open
Abstract
Background: Histones could be released from the nucleus when stimulated. Increasing evidence has shown that extracellular histones are associated with a variety of inflammation and diseases. Nucleotide binding oligomerzation domain 2 (NOD2) belongs to the NOD like receptor (NLR) family and is reported to promote apoptosis and aggravate inflammatory response. And V-set and immunoglobulin domain containing 4 (VSIG4), a B7 family-related protein, has been confirmed to mediate transcriptional inhibition of nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3). However, little is known about the impact of extracellular histones on NOD2 or VSIG4 signal transduction. In this study, we aim to explore the effect and mechanism of extracellular histone H3 on pyroptosis. Aim: The purpose of this work was to investigate the mechanism of extracellular histone H3 on pyroptosis in sepsis. Methods: Lipopolysaccharide (LPS) and histone H3 were used to induce sepsis mice model and damage in ANA-1 macrophages. H3 antibody was applied to antagonize the effect of histone H3. NOD2 inhibitor NOD-IN-1 and VSIG4-siRNA were used to investigate the mechanism of histone H3 on pyroptosis. Enzyme linked immune sorbent assay (ELISA) was applied to detect the level of extracellular histone H3. Real-time PCR and Western blotting were employed to detect the key mRNA and protein levels. The pathology of tissues was detected. Results: The level of extracellular histone H3 was increased after LPS stimulation. The mRNA and protein levels of NLRP3, caspase-1, gasdermin D (GSDMD), interleukin (IL)-1β, IL-18 were increased in LPS group, but suppressed by H3 antibody. And the expression of NOD2, receptor-interacting protein 2 (RIP2) was elevated compared with control group. The expression of VSIG4 was inhibited by LPS and suppression of H3 promoted the protein level of VSIG4. H3 antibody alleviated pathological damages in tissues. Furthermore, the mRNA and protein levels of NOD2 in H3 group was higher compared with control group. The mRNA and protein levels of VSIG4 in H3 group was decreased compared with control group, but up-regulated by NOD-IN-1. Besides, the mRNA and protein levels of VSIG4 in NOD-IN-1 + VSIG4-siRNA group was elevated compared with VSIG4-siRNA group. Conclusions: Extracellular histone H3 induced by LPS could cause pyroptosis during sepsis via NOD2 and VSIG4/NLRP3 pathway.
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Affiliation(s)
- Chun-Xia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qian Chen
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fang-Zhou Jiao
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Mao-Hua Pei
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuo-Jiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
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18
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Cai X, Wang J, Wang J, Zhou Q, Yang B, He Q, Weng Q. Intercellular crosstalk of hepatic stellate cells in liver fibrosis: New insights into therapy. Pharmacol Res 2020; 155:104720. [PMID: 32092405 DOI: 10.1016/j.phrs.2020.104720] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/08/2020] [Accepted: 02/20/2020] [Indexed: 02/08/2023]
Abstract
Liver fibrosis is a dynamic wound-healing process characterized by the net accumulation of extracellular matrix. There is no efficient antifibrotic therapy other than liver transplantation to date. Activated hepatic stellate cells (HSCs) are the major cellular source of matrix-producing myofibroblasts, playing a central role in the initiation and progression of liver fibrosis. Paracrine signals from resident and inflammatory cells such as hepatocytes, liver sinusoidal endothelial cells, hepatic macrophages, natural killer/natural killer T cells, biliary epithelial cells, hepatic progenitor cells, and platelets can directly or indirectly regulate HSC differentiation and activation. Intercellular crosstalk between HSCs and those "responded" cells has been a critical event involved in HSC activation and fibrogenesis. This review summarizes recent advancement regarding intercellular communication between HSCs and other "responded cells" during liver fibrosis and experimental models of intercellular crosstalk systems, and provides novel ideas for potential antifibrotic therapeutic strategy.
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19
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Lyu Q, Pang X, Zhang Z, Wei Y, Hong J, Chen H. Microglial V-set and immunoglobulin domain-containing 4 protects against ischemic stroke in mice by suppressing TLR4-regulated inflammatory response. Biochem Biophys Res Commun 2019; 522:560-567. [PMID: 31784084 DOI: 10.1016/j.bbrc.2019.11.077] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 11/13/2019] [Indexed: 01/09/2023]
Abstract
Ischemic stroke is a leading cause of death among human in the world, and a critical cause for long-term disability. Accumulating studies have indicated that inflammatory response regulated by microglia contributes a lot to neuronal death, but the molecular mechanism still remains unclear. V-set and immunoglobulin domain-containing 4 (Vsig4), a complement receptor of the immunoglobulin superfamily (CRIg) that specifically expresses in resting tissue-resident macrophages, plays a critical role in regulating various inflammatory diseases via multiple signaling pathways. However, the effects of Vsig4 on ischemic stroke have not been investigated. In this study, we identified that Vsig4 expression was decreased after cerebral ischemic injury induced by middle cerebral artery occlusion (MCAO). Immunofluorescence staining showed that Vsig4 was co-localized with Iba1 in microglial cells from the infarct region of MCAO-operated mice. After over-expressing Vsig4 in mice, MCAO-induced infarction area and neurological deficits score were markedly attenuated. In addition, neurological dysfunction due to MCAO surgery was improved by Vsig4 over-expression. Microglial M1 polarization was detected in mice with MCAO surgery, which was markedly inhibited by Vsig4 over-expression, as evidenced by the markedly reduced expression of CD16, CD11b, inducible nitric oxide synthase (iNOS) and interleukin 6 (IL-6); however, the expression of M2-like phenotype hallmarks such as arginase 1 (Arg1), CD206, IL-10 and Ym-1 was significantly up-regulated. Mechanistically, the anti-inflammatory role of Vsig4 was mainly through the blockage of toll-like receptor 4/nuclear factor kappa B (TLR4/NF-κB) signaling via the in vivo and in vitro experiments. Also, we found that microglial TLR4 expression in the cerebral infarct area of MCAO mice was highly suppressed by Vsig4 over-expression. In vitro, the neuron-glial mixed culture by fluorescent staining showed that oxygen glucose deprivation (OGD) treatment led to significant cell death, while being attenuated by Vsig4 over-expression in primary microglial cells. Finally, we showed that Vsig4 could interact with TLR4 and repress its expression, subsequently alleviating ischemic stroke. Collectively, our findings demonstrated that microglial Vsig4 protected against post-stroke neuro-inflammation mainly through interacting with TLR4.
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Affiliation(s)
- Qingping Lyu
- Department of Neurosurgery, Hangzhou Red Cross Hospital/Zhejiang Chinese Medicine and Western Medicine Integrated Hospital, 208 Huancheng Road East, HangZhou 310003, Zhejiang, China
| | - Xiaojun Pang
- Department of Neurosurgery, Hangzhou Red Cross Hospital/Zhejiang Chinese Medicine and Western Medicine Integrated Hospital, 208 Huancheng Road East, HangZhou 310003, Zhejiang, China
| | - Zibin Zhang
- Department of Neurosurgery, Hangzhou Red Cross Hospital/Zhejiang Chinese Medicine and Western Medicine Integrated Hospital, 208 Huancheng Road East, HangZhou 310003, Zhejiang, China
| | - Yuyu Wei
- Department of Neurosurgery, Hangzhou Red Cross Hospital/Zhejiang Chinese Medicine and Western Medicine Integrated Hospital, 208 Huancheng Road East, HangZhou 310003, Zhejiang, China
| | - Jinxu Hong
- Department of Neurosurgery, Hangzhou Red Cross Hospital/Zhejiang Chinese Medicine and Western Medicine Integrated Hospital, 208 Huancheng Road East, HangZhou 310003, Zhejiang, China
| | - Huai Chen
- Department of Neurosurgery, Hangzhou Red Cross Hospital/Zhejiang Chinese Medicine and Western Medicine Integrated Hospital, 208 Huancheng Road East, HangZhou 310003, Zhejiang, China.
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