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Zhang J, Pei J, Yu C, Luo J, Hong Y, Hua Y, Wei G. CCR7 and CD48 as Predicted Targets in Acute Rejection Related to M1 Macrophage after Pediatric Kidney Transplantation. J Immunol Res 2024; 2024:6908968. [PMID: 38957433 PMCID: PMC11217580 DOI: 10.1155/2024/6908968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 05/28/2024] [Accepted: 06/12/2024] [Indexed: 07/04/2024] Open
Abstract
Background Kidney transplantation (KT) is the best treatment for end-stage renal disease. Although long and short-term survival rates for the graft have improved significantly with the development of immunosuppressants, acute rejection (AR) remains a major risk factor attacking the graft and patients. The innate immune response plays an important role in rejection. Therefore, our objective is to determine the biomarkers of congenital immunity associated with AR after KT and provide support for future research. Materials and Methods A differential expression genes (DEGs) analysis was performed based on the dataset GSE174020 from the NCBI gene Expression Synthesis Database (GEO) and then combined with the GSE5099 M1 macrophage-related gene identified in the Molecular Signatures Database. We then identified genes in DEGs associated with M1 macrophages defined as DEM1Gs and performed gene ontology (GO) and Kyoto Encyclopedia of Genomes (KEGG) enrichment analysis. Cibersort was used to analyze the immune cell infiltration during AR. At the same time, we used the protein-protein interaction (PPI) network and Cytoscape software to determine the key genes. Dataset, GSE14328 derived from pediatric patients, GSE138043 and GSE9493 derived from adult patients, were used to verify Hub genes. Additional verification was the rat KT model, which was used to perform HE staining, immunohistochemical staining, and Western Blot. Hub genes were searched in the HPA database to confirm their expression. Finally, we construct the interaction network of transcription factor (TF)-Hub genes and miRNA-Hub genes. Results Compared to the normal group, 366 genes were upregulated, and 423 genes were downregulated in the AR group. Then, 106 genes related to M1 macrophages were found among these genes. GO and KEGG enrichment analysis showed that these genes are mainly involved in cytokine binding, antigen binding, NK cell-mediated cytotoxicity, activation of immune receptors and immune response, and activation of the inflammatory NF-κB signaling pathway. Two Hub genes, namely CCR7 and CD48, were identified by PPI and Cytoscape analysis. They have been verified in external validation sets, originated from both pediatric patients and adult patients, and animal experiments. In the HPA database, CCR7 and CD48 are mainly expressed in T cells, B cells, macrophages, and tissues where these immune cells are distributed. In addition to immunoinfiltration, CD4+T, CD8+T, NK cells, NKT cells, and monocytes increased significantly in the AR group, which was highly consistent with the results of Hub gene screening. Finally, we predicted that 19 TFs and 32 miRNAs might interact with the Hub gene. Conclusions Through a comprehensive bioinformatic analysis, our findings may provide predictive and therapeutic targets for AR after KT.
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Affiliation(s)
- Jie Zhang
- Department of Urology Children's Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Jun Pei
- Department of Urology Children's Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Chengjun Yu
- Department of Urology Children's Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Jin Luo
- Department of Urology Children's Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Yifan Hong
- Department of Urology Children's Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Yi Hua
- Department of Urology Children's Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
| | - Guanghui Wei
- Department of Urology Children's Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- Chongqing Key Laboratory of Structural Birth Defect and Reconstruction, Chongqing, China
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Yang YH, Yan F, Shi PS, Yang LC, Cui DJ. HIF-1α Pathway Orchestration by LCN2: A Key Player in Hypoxia-Mediated Colitis Exacerbation. Inflammation 2024:10.1007/s10753-024-01990-y. [PMID: 38819583 DOI: 10.1007/s10753-024-01990-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/19/2024] [Accepted: 02/09/2024] [Indexed: 06/01/2024]
Abstract
In this study, we investigated the role of hypoxia in the development of chronic inflammatory bowel disease (IBD), focusing on its impact on the HIF-1α signaling pathway through the upregulation of lipocalin 2 (LCN2). Using a murine model of colitis induced by sodium dextran sulfate (DSS) under hypoxic conditions, transcriptome sequencing revealed LCN2 as a key gene involved in hypoxia-mediated exacerbation of colitis. Bioinformatics analysis highlighted the involvement of crucial pathways, including HIF-1α and glycolysis, in the inflammatory process. Immune infiltration analysis demonstrated the polarization of M1 macrophages in response to hypoxic stimulation. In vitro studies using RAW264.7 cells further elucidated the exacerbation of inflammation and its impact on M1 macrophage polarization under hypoxic conditions. LCN2 knockout cells reversed hypoxia-induced inflammatory responses, and the HIF-1α pathway activator dimethyloxaloylglycine (DMOG) confirmed LCN2's role in mediating inflammation via the HIF-1α-induced glycolysis pathway. In a DSS-induced colitis mouse model, oral administration of LCN2-silencing lentivirus and DMOG under hypoxic conditions validated the exacerbation of colitis. Evaluation of colonic tissues revealed altered macrophage polarization, increased levels of inflammatory factors, and activation of the HIF-1α and glycolysis pathways. In conclusion, our findings suggest that hypoxia exacerbates colitis by modulating the HIF-1α pathway through LCN2, influencing M1 macrophage polarization in glycolysis. This study contributes to a better understanding of the mechanisms underlying IBD, providing potential therapeutic targets for intervention.
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Affiliation(s)
- Yun-Han Yang
- Department of Gastroenterology, Guizhou Inflammatory Bowel Disease Research Center, National Institution of Drug Clinical Trial, Guizhou Provincial People's Hospital, Medical College of Guizhou University, No.83 Zhongshan East Road, Guiyang, 550002, Guizhou Province, China
| | - Fang Yan
- Department of Gastroenterology, Guizhou Inflammatory Bowel Disease Research Center, National Institution of Drug Clinical Trial, Guizhou Provincial People's Hospital, Medical College of Guizhou University, No.83 Zhongshan East Road, Guiyang, 550002, Guizhou Province, China
| | - Peng-Shuang Shi
- Department of Gastroenterology, Guizhou Inflammatory Bowel Disease Research Center, National Institution of Drug Clinical Trial, Guizhou Provincial People's Hospital, Medical College of Guizhou University, No.83 Zhongshan East Road, Guiyang, 550002, Guizhou Province, China
| | - Liu-Chan Yang
- Department of Gastroenterology, Guizhou Inflammatory Bowel Disease Research Center, National Institution of Drug Clinical Trial, Guizhou Provincial People's Hospital, Medical College of Guizhou University, No.83 Zhongshan East Road, Guiyang, 550002, Guizhou Province, China
| | - De-Jun Cui
- Department of Gastroenterology, Guizhou Inflammatory Bowel Disease Research Center, National Institution of Drug Clinical Trial, Guizhou Provincial People's Hospital, Medical College of Guizhou University, No.83 Zhongshan East Road, Guiyang, 550002, Guizhou Province, China.
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Guo Z, Xu G, Xu J, Huang Y, Liu C, Cao Y. Role of Lipocalin-2 in N1/N2 Neutrophil Polarization After Stroke. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:525-535. [PMID: 37073144 DOI: 10.2174/1871527322666230417112850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 02/25/2023] [Accepted: 02/26/2023] [Indexed: 04/20/2023]
Abstract
BACKGROUND Neutrophils and Lipocalin-2 (LCN2) play pivotal roles in cerebral ischemiareperfusion (I/R) injury. However, their contribution is not fully clarified. OBJECTIVE This study aimed to explore the role of LCN2 and its association with neutrophil polarization in I/R injury. METHODS A mouse model of middle cerebral artery occlusion (MCAO) was used to induce cerebral ischemia. LCN2mAb was administered 1 h and Anti-Ly6G was administered for 3d before MCAO. The role of LCN2 in the polarity transition of neutrophils was explored using an in vitro HL-60 cell model. RESULTS LCN2mAb pretreatment had neuroprotective effects in mice. The expression of Ly6G was not significantly different, but the expression of N2 neutrophils was increased. In the in vitro study, LCN2mAb-treated N1-HL-60 cells induced N2-HL-60 polarization. CONCLUSION LCN2 may affect the prognosis of ischemic stroke by mediating neutrophil polarization.
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Affiliation(s)
- Zhiliang Guo
- Department of Neurology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
| | - Guoli Xu
- Department of Neurology, Suzhou Ninth People's Hospital, Suzhou 215004, Jiangsu, China
| | - Jiaping Xu
- Department of Neurology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
| | - Yaqian Huang
- Department of Neurology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
| | - Chunfeng Liu
- Department of Neurology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
| | - Yongjun Cao
- Department of Neurology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu, China
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Saenz-Pipaon G, Jover E, van der Bent ML, Orbe J, Rodriguez JA, Fernández-Celis A, Quax PHA, Paramo JA, López-Andrés N, Martín-Ventura JL, Nossent AY, Roncal C. Role of LCN2 in a murine model of hindlimb ischemia and in peripheral artery disease patients, and its potential regulation by miR-138-5P. Atherosclerosis 2023; 385:117343. [PMID: 37871404 DOI: 10.1016/j.atherosclerosis.2023.117343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 08/07/2023] [Accepted: 10/10/2023] [Indexed: 10/25/2023]
Abstract
BACKGROUND AND AIMS Peripheral arterial disease (PAD) is a leading cause of morbimortality worldwide. Lipocalin-2 (LCN2) has been associated with higher risk of amputation or mortality in PAD and might be involved in muscle regeneration. Our aim is to unravel the role of LCN2 in skeletal muscle repair and PAD. METHODS AND RESULTS WT and Lcn2-/- mice underwent hindlimb ischemia. Blood and crural muscles were analyzed at the inflammatory and regenerative phases. At day 2, Lcn2-/- male mice, but not females, showed increased blood and soleus muscle neutrophils, and elevated circulating pro-inflammatory monocytes (p < 0.05), while locally, total infiltrating macrophages were reduced (p < 0.05). Moreover, Lcn2-/- soleus displayed an elevation of Cxcl1 (p < 0.001), and Cxcr2 (p < 0.01 in males), and a decrease in Ccl5 (p < 0.05). At day 15, Lcn2 deficiency delayed muscle recovery, with higher density of regenerating myocytes (p < 0.04) and arterioles (αSMA+, p < 0.025). Reverse target prediction analysis identified miR-138-5p as a potential regulator of LCN2, showing an inverse correlation with Lcn2 mRNA in skeletal muscles (rho = -0.58, p < 0.01). In vitro, miR-138-5p mimic reduced Lcn2 expression and luciferase activity in murine macrophages (p < 0.05). Finally, in human serum miR-138-5p was inversely correlated with LCN2 (p ≤ 0.001 adjusted, n = 318), and associated with PAD (Odds ratio 0.634, p = 0.02, adjusted, PAD n = 264, control n = 54). CONCLUSIONS This study suggests a possible dual role of LCN2 in acute and chronic conditions, with a probable role in restraining inflammation early after skeletal muscle ischemia, while being associated with vascular damage in PAD, and identifies miR-138-5p as one potential post-transcriptional regulator of LCN2.
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Affiliation(s)
- Goren Saenz-Pipaon
- Laboratory of Atherothrombosis, Cima Universidad de Navarra, Pamplona, Spain; IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Eva Jover
- IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain; Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), Pamplona, Spain
| | - M Leontien van der Bent
- Department of Vascular Surgery, Leiden University Medical Center, Leiden, the Netherlands; Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Josune Orbe
- Laboratory of Atherothrombosis, Cima Universidad de Navarra, Pamplona, Spain; IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain; RICORS-ICTUS, ISCIII, Madrid, Spain
| | - Jose A Rodriguez
- Laboratory of Atherothrombosis, Cima Universidad de Navarra, Pamplona, Spain; IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain; CIBERCV, ISCIII, Madrid, Spain
| | - Amaya Fernández-Celis
- IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain; Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), Pamplona, Spain
| | - Paul H A Quax
- Department of Vascular Surgery, Leiden University Medical Center, Leiden, the Netherlands; Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Jose A Paramo
- Laboratory of Atherothrombosis, Cima Universidad de Navarra, Pamplona, Spain; IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain; CIBERCV, ISCIII, Madrid, Spain; Hematology Service, Clínica Universidad de Navarra, Pamplona, Spain
| | - Natalia López-Andrés
- IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain; Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Hospital Universitario de Navarra (HUN), Universidad Pública de Navarra (UPNA), Pamplona, Spain
| | | | - Anne Yaël Nossent
- Department of Vascular Surgery, Leiden University Medical Center, Leiden, the Netherlands; Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Carmen Roncal
- Laboratory of Atherothrombosis, Cima Universidad de Navarra, Pamplona, Spain; IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain; CIBERCV, ISCIII, Madrid, Spain.
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Romejko K, Markowska M, Niemczyk S. The Review of Current Knowledge on Neutrophil Gelatinase-Associated Lipocalin (NGAL). Int J Mol Sci 2023; 24:10470. [PMID: 37445650 DOI: 10.3390/ijms241310470] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/15/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Neutrophil gelatinase-associated lipocalin (NGAL) is a 25-kDa protein that is secreted mostly by immune cells such as neutrophils, macrophages, and dendritic cells. Its production is stimulated in response to inflammation. The concentrations of NGAL can be measured in plasma, urine, and biological fluids such as peritoneal effluent. NGAL is known mainly as a biomarker of acute kidney injury and is released after tubular damage and during renal regeneration processes. NGAL is also elevated in chronic kidney disease and dialysis patients. It may play a role as a predictor of the progression of renal function decreases with complications and mortality due to kidney failure. NGAL is also useful in the diagnostic processes of cardiovascular diseases. It is highly expressed in injured heart tissue and atherosclerostic plaque; its serum concentrations correlate with the severity of heart failure and coronary artery disease. NGAL increases inflammatory states and its levels rise in arterial hypertension, obesity, diabetes, and metabolic complications such as insulin resistance, and is also involved in carcinogenesis. In this review, we present the current knowledge on NGAL and its involvement in different pathologies, especially its role in renal and cardiovascular diseases.
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Affiliation(s)
- Katarzyna Romejko
- Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine-National Research Institute, 128 Szaserów Street, 04-141 Warsaw, Poland
| | - Magdalena Markowska
- Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine-National Research Institute, 128 Szaserów Street, 04-141 Warsaw, Poland
| | - Stanisław Niemczyk
- Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine-National Research Institute, 128 Szaserów Street, 04-141 Warsaw, Poland
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The von Hippel-Lindau Tumor Suppressor Gene Mutations Modulate Lipocalin-2 Expression in Ferroptotic-Inflammatory Pathways. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:7736638. [PMID: 36718277 PMCID: PMC9884170 DOI: 10.1155/2023/7736638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/26/2022] [Accepted: 11/24/2022] [Indexed: 01/22/2023]
Abstract
A previous study of an animal model with tumor suppressor gene von Hippel-Lindau (VHL) conditional knockdown suggested that tissue inflammation and fibrosis play important roles in the development of clear-cell renal cell carcinoma (ccRCC), which is consistent with the epidemiological evidence linking inflammatory kidney disease and renal cancer. Ferroptosis and inflammation have been linked in a recent study, but the exact mechanism remains unclear. This study is aimed at investigating the mechanism of lipocalin-2- (LCN-2-) mediated ferroptosis and inflammation in vhl-mutated HK-2 cells and mouse primary proximal tubule cells (mRTCs) and the polarization of macrophage RAW 264.7 cells. Based on the levels of lipid reactive oxygen species (ROS) and the expression of glutathione peroxidase 4 (GPX4) in HK-2 cells, we observed that a VHL mutation increased ROS production and depressed GPX4 expression, whereas LCN-2 knockdown reversed these effects. Accordingly, VHL appears to affect ferroptosis in an LCN-2-dependent manner. We also revealed that LCN-2 sensitizes HK-2 cells to inflammation and macrophage RAW 264.7 cells to M1-like polarization. This study provides novel insights into the potential therapeutic target and strategy for attenuating the progression of ccRCC by revealing the role of VHL in regulating chronic inflammation within the LCN-2-ferroptosis pathway.
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Liu W, Guo X, Jin L, Hong T, Zhang Q, Su F, Shen Y, Li S, He B. Lipocalin-2 participates in sepsis-induced myocardial injury by mediating lipid accumulation and mitochondrial dysfunction. Front Cardiovasc Med 2022; 9:1009726. [PMID: 36419491 PMCID: PMC9676239 DOI: 10.3389/fcvm.2022.1009726] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/20/2022] [Indexed: 12/01/2023] Open
Abstract
BACKGROUND Sepsis-induced cardiomyopathy (SIC) is one major cause of death for sepsis but lacks timely diagnosis and specific treatment due to unclear mechanisms. Lipocalin-2 (LCN-2) is a key regulator of lipid metabolism which has been recently proved closely related to sepsis, however, the relationship between LCN-2 and septic myocardial injury remains unknown. We aim to explore the role of LCN-2 in the pathological progress of SIC based on clinical and laboratory evidence. METHODS Consecutive patients admitted to the intensive care unit (ICU) from August 2021 to April 2022 fulfilling the criteria of severe sepsis were included. The level of LCN-2 in plasma was assayed and analyzed with clinical characteristics. Biostatistical analysis was performed for further identification and pathway enrichment. Mouse model for SIC was thereafter established, in which plasma and tissue LCN-2 levels were tested. RNA sequencing was used for verification and to reveal the possible mechanism. Mitochondrial function and intracellular lipid levels were assayed to further assess the biological effects of targeting LCN-2 in cardiomyocytes with small interference RNAs (siRNAs). RESULTS The level of LCN-2 in plasma was markedly higher in patients with severe sepsis and was associated with higher cardiac biomarkers and lower LVEF. In the in vivo experiment, circulating LCN-2 from plasma was found to increase in SIC mice. A higher level of LCN-2 transcription in myocardial tissue was also found in SIC and showed a clear time relationship. RNA sequencing analysis showed the level of LCN-2 was associated with several gene-sets relevant to mitochondrial function and lipid metabolism-associated pathways. The suppression of LCN-2 protected mitochondrial morphology and limited the production of ROS, as well as restored the mitochondrial membrane potential damaged by LPS. Neutral lipid staining showed prominent lipid accumulation in LPS group, which was alleviated by the treatment of siLCN2. CONCLUSION The level of LCN-2 is significantly increased in SIC at both circulating and tissue levels, which is correlated with the severity of myocardial injury indicators, and may work as an early and great predictor of SIC. LCN-2 probably participates in the process of septic myocardial injury through mediating lipid accumulation and affecting mitochondrial function.
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Affiliation(s)
- Weizhuo Liu
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Center for Cardiopulmonary Translational Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoyu Guo
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Center for Cardiopulmonary Translational Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Jin
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ting Hong
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Center for Cardiopulmonary Translational Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qianyun Zhang
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fan Su
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yi Shen
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Saiqi Li
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bin He
- Department of Critical Care Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Moeinabadi-Bidgoli K, Rezaee M, Rismanchi H, Mohammadi MM, Babajani A. Mesenchymal Stem Cell-Derived Antimicrobial Peptides as Potential Anti-Neoplastic Agents: New Insight into Anticancer Mechanisms of Stem Cells and Exosomes. Front Cell Dev Biol 2022; 10:900418. [PMID: 35874827 PMCID: PMC9298847 DOI: 10.3389/fcell.2022.900418] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 06/20/2022] [Indexed: 12/15/2022] Open
Abstract
Mesenchymal stem cells (MSCs), as adult multipotent cells, possess considerable regenerative and anti-neoplastic effects, from inducing apoptosis in the cancer cells to reducing multidrug resistance that bring them up as an appropriate alternative for cancer treatment. These cells can alter the behavior of cancer cells, the condition of the tumor microenvironment, and the activity of immune cells that result in tumor regression. It has been observed that during inflammatory conditions, a well-known feature of the tumor microenvironment, the MSCs produce and release some molecules called “antimicrobial peptides (AMPs)” with demonstrated anti-neoplastic effects. These peptides have remarkable targeted anticancer effects by attaching to the negatively charged membrane of neoplastic cells, disrupting the membrane, and interfering with intracellular pathways. Therefore, AMPs could be considered as a part of the wide-ranging anti-neoplastic effects of MSCs. This review focuses on the possible anti-neoplastic effects of MSCs-derived AMPs and their mechanisms. It also discusses preconditioning approaches and using exosomes to enhance AMP production and delivery from MSCs to cancer cells. Besides, the clinical administration of MSCs-derived AMPs, along with their challenges in clinical practice, were debated.
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Affiliation(s)
- Kasra Moeinabadi-Bidgoli
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Basic and Molecular Epidemiology of Gastroenterology Disorders Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Malihe Rezaee
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Tehran Heart Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamidreza Rismanchi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Amirhesam Babajani
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Li Q, Li Y, Huang W, Wang X, Liu Z, Chen J, Fan Y, Peng T, Sadayappan S, Wang Y, Fan GC. Loss of Lipocalin 10 Exacerbates Diabetes-Induced Cardiomyopathy via Disruption of Nr4a1-Mediated Anti-Inflammatory Response in Macrophages. Front Immunol 2022; 13:930397. [PMID: 35757735 PMCID: PMC9226549 DOI: 10.3389/fimmu.2022.930397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 05/11/2022] [Indexed: 11/13/2022] Open
Abstract
Metabolic disorders (i.e., hyperglycemia, hyperlipidemia, and hyperinsulinemia) cause increased secretion of inflammatory cytokines/chemokines, leading to gradual loss of cardiac resident macrophage population and increased accumulation of inflammatory monocytes/macrophages in the heart. Such self-perpetuating effect may contribute to the development of cardiomyopathy during diabetes. Recent meta-analysis data reveal that lipocalin 10 (Lcn10) is significantly downregulated in cardiac tissue of patients with heart failure but is increased in the blood of septic patients. However, the functional role of Lcn10 in cardiac inflammation triggered by metabolic disorders has never been investigated. In this study, we demonstrate that the expression of Lcn10 in macrophages was significantly decreased under multiple metabolic stress conditions. Furthermore, Lcn10-null macrophages exhibited pro-inflammatory phenotype in response to inflammation stimuli. Next, using a global Lcn10-knockout (KO) mouse model to induce type-2 diabetes (T2D), we observed that loss of Lcn10 promoted more pro-inflammatory macrophage infiltration into the heart, compared to controls, leading to aggravated insulin resistance and impaired cardiac function. Similarly, adoptive transfer of Lcn10-KO bone marrow cells into X-ray irradiated mice displayed higher ratio of pro-/anti-inflammatory macrophages in the heart and worsened cardiac function than those mice received wild-type (WT) bone marrows upon T2D conditions. Mechanistically, RNA-sequencing analysis showed that Nr4a1, a nuclear receptor known to have potent anti-inflammatory effects, is involved in Lcn10-mediated macrophage activation. Indeed, we found that nuclear translocation of Nr4a1 was disrupted in Lcn10-KO macrophages upon stimulation with LPS + IFNγ. Accordingly, treatment with Cytosporone B (CsnB), an agonist of Nr4a1, attenuated the pro-inflammatory response in Lcn10-null macrophages and partially improved cardiac function in Lcn10-KO diabetic mice. Together, these findings indicate that loss of Lcn10 skews macrophage polarization to pro-inflammatory phenotype and aggravates cardiac dysfunction during type-2 diabetes through the disruption of Nr4a1-mediated anti-inflammatory signaling pathway in macrophages. Therefore, reduction of Lcn10 expression observed in diabetic macrophages may be responsible for the pathogenesis of diabetes-induced cardiac dysfunction. It suggests that Lcn10 might be a potential therapeutic factor for diabetic heart failure.
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Affiliation(s)
- Qianqian Li
- Division of Pharmaceutical Sciences, James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH, United States
- Department of Pharmacology and Systems Physiology, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Yutian Li
- Department of Pharmacology and Systems Physiology, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Wei Huang
- Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Xiaohong Wang
- Department of Pharmacology and Systems Physiology, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Zhenling Liu
- Department of Pharmacology and Systems Physiology, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Jing Chen
- Division of Biomedical Informatics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Yanbo Fan
- Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Tianqing Peng
- The Centre for Critical Illness Research, Lawson Health Research Institute, London, ON, Canada
| | - Sakthivel Sadayappan
- Division of Cardiovascular Health and Disease, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Yigang Wang
- Department of Pathology and Laboratory Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Guo-Chang Fan
- Department of Pharmacology and Systems Physiology, University of Cincinnati College of Medicine, Cincinnati, OH, United States
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10
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Wang AS, Steers NJ, Parab AR, Gachon F, Sweet MJ, Mysorekar IU. Timing is everything: impact of development, ageing and circadian rhythm on macrophage functions in urinary tract infections. Mucosal Immunol 2022; 15:1114-1126. [PMID: 36038769 DOI: 10.1038/s41385-022-00558-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 07/31/2022] [Accepted: 08/08/2022] [Indexed: 02/04/2023]
Abstract
The bladder supports a diversity of macrophage populations with functional roles related to homeostasis and host defense, including clearance of cell debris from tissue, immune surveillance, and inflammatory responses. This review examines these roles with particular attention given to macrophage origins, differentiation, recruitment, and engagement in host defense against urinary tract infections (UTIs), where these cells recognize uropathogens through a combination of receptor-mediated responses. Time is an important variable that is often overlooked in many clinical and biological studies, including in relation to macrophages and UTIs. Given that ageing is a significant factor in urinary tract infection pathogenesis and macrophages have been shown to harbor their own circadian system, this review also explores the influence of age on macrophage functions and the role of diurnal variations in macrophage functions in host defense and inflammation during UTIs. We provide a conceptual framework for future studies that address these key knowledge gaps.
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Affiliation(s)
- Alison S Wang
- Institute for Molecular Bioscience (IMB) and IMB Centre for Inflammation and Disease Research, The University of Queensland, St. Lucia, QLD, Australia.,Australian Infectious Diseases Research Centre, The University of Queensland, St. Lucia, QLD, Australia
| | - Nicholas J Steers
- Division of Nephrology, Department of Medicine, Columbia University Irving Medical Center, New York, NY, USA.
| | - Adwaita R Parab
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, TX, USA
| | - Frédéric Gachon
- Institute for Molecular Bioscience (IMB) and IMB Centre for Inflammation and Disease Research, The University of Queensland, St. Lucia, QLD, Australia
| | - Matthew J Sweet
- Institute for Molecular Bioscience (IMB) and IMB Centre for Inflammation and Disease Research, The University of Queensland, St. Lucia, QLD, Australia. .,Australian Infectious Diseases Research Centre, The University of Queensland, St. Lucia, QLD, Australia.
| | - Indira U Mysorekar
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, TX, USA. .,Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, USA.
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11
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Hang Z, Wei J, Zheng M, Gui Z, Chen H, Sun L, Fei S, Han Z, Tao J, Wang Z, Tan R, Gu M. Iguratimod Attenuates Macrophage Polarization and Antibody-Mediated Rejection After Renal Transplant by Regulating KLF4. Front Pharmacol 2022; 13:865363. [PMID: 35614941 PMCID: PMC9125033 DOI: 10.3389/fphar.2022.865363] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Background: This study aimed to explore the effect and mechanism of iguratimod (IGT) on M1 macrophage polarization and antibody-mediated rejection (ABMR) after renal transplant.Methods: Bioinformatics analysis was performed using three public databases derived from the GEO database. Sprague–Dawley (SD) rats were pre-sensitized with donors of Wistar rats in skin transplantation and a rat renal transplant ABMR model was established from the donors to skin pre-sensitized recipients. Subsequently, IGT was treated on the ABMR model. Routine staining and immunofluorescence (IF) staining were performed to observe the pathological changes in each group and flow cytometry was performed to detect the changes of DSA titers in peripheral blood. In addition, bone-marrow-derived macrophage (BMDM) was extracted and interfered with IGT to explore the effect of IGT in vivo. PCR, IF staining, and Western blot were used to detect the expression of related genes and proteins.Results: Bioinformatics analysis revealed that several immune cells were significantly infiltrated in the ABMR allograft, while M1 macrophage was noticed with the most significance. Results of IF staining and PCR proved the findings of the bioinformatics analysis. Based on this, IGT was observed to significantly attenuate the degree of peritubular capillary vasculitis and arteriolitis in the rat renal transplant ABMR model, whereas it decreases the expression of C4d and reduces the titer of DSA. Results in vitro suggested that M1 macrophage-related transcripts and proteins were significantly reduced by the treatment of IGT in a dose- and time-dependent manner. Furthermore, IGT intervention could remarkably decrease the expression of KLF4.Conclusion: Polarization of M1 macrophages may aggravate ABMR after renal transplant by promoting DSA-mediated endothelial cell injury, and IGT may attenuate the pathogenesis of ABMR by targeting KLF4.
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Affiliation(s)
- Zhou Hang
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jintao Wei
- Department of Emergency Medicine, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ming Zheng
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zeping Gui
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hao Chen
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Li Sun
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Shuang Fei
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zhijian Han
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jun Tao
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zijie Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Zijie Wang, ; Min Gu, ; Ruoyun Tan,
| | - Ruoyun Tan
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Zijie Wang, ; Min Gu, ; Ruoyun Tan,
| | - Min Gu
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Zijie Wang, ; Min Gu, ; Ruoyun Tan,
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12
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Ponzetti M, Ucci A, Maurizi A, Giacchi L, Teti A, Rucci N. Lipocalin 2 Influences Bone and Muscle Phenotype in the MDX Mouse Model of Duchenne Muscular Dystrophy. Int J Mol Sci 2022; 23:ijms23020958. [PMID: 35055145 PMCID: PMC8780970 DOI: 10.3390/ijms23020958] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 01/07/2023] Open
Abstract
Lipocalin 2 (Lcn2) is an adipokine involved in bone and energy metabolism. Its serum levels correlate with bone mechanical unloading and inflammation, two conditions representing hallmarks of Duchenne Muscular Dystrophy (DMD). Therefore, we investigated the role of Lcn2 in bone loss induced by muscle failure in the MDX mouse model of DMD. We found increased Lcn2 serum levels in MDX mice at 1, 3, 6, and 12 months of age. Consistently, Lcn2 mRNA was higher in MDX versus WT muscles. Immunohistochemistry showed Lcn2 expression in mononuclear cells between muscle fibres and in muscle fibres, thus confirming the gene expression results. We then ablated Lcn2 in MDX mice, breeding them with Lcn2−/− mice (MDXxLcn2−/−), resulting in a higher percentage of trabecular volume/total tissue volume compared to MDX mice, likely due to reduced bone resorption. Moreover, MDXxLcn2−/− mice presented with higher grip strength, increased intact muscle fibres, and reduced serum creatine kinase levels compared to MDX. Consistently, blocking Lcn2 by treating 2-month-old MDX mice with an anti-Lcn2 monoclonal antibody (Lcn2Ab) increased trabecular volume, while reducing osteoclast surface/bone surface compared to MDX mice treated with irrelevant IgG. Grip force was also increased, and diaphragm fibrosis was reduced by the Lcn2Ab. These results suggest that Lcn2 could be a possible therapeutic target to treat DMD-induced bone loss.
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13
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Tsai CF, Chen GW, Chen YC, Shen CK, Lu DY, Yang LY, Chen JH, Yeh WL. Regulatory Effects of Quercetin on M1/M2 Macrophage Polarization and Oxidative/Antioxidative Balance. Nutrients 2021; 14:nu14010067. [PMID: 35010945 PMCID: PMC8746507 DOI: 10.3390/nu14010067] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/16/2021] [Accepted: 12/21/2021] [Indexed: 12/23/2022] Open
Abstract
Macrophage polarization plays essential and diverse roles in most diseases, such as atherosclerosis, adipose tissue inflammation, and insulin resistance. Homeostasis dysfunction in M1/M2 macrophage polarization causes pathological conditions and inflammation. Neuroinflammation is characterized by microglial activation and the concomitant production of pro-inflammatory cytokines, leading to numerous neurodegenerative diseases and psychiatric disorders. Decreased neuroinflammation can be obtained by using natural compounds, including flavonoids, which are known to ameliorate inflammatory responses. Among flavonoids, quercetin possesses multiple pharmacological applications and regulates several biological activities. In the present study, we found that quercetin effectively inhibited the expression of lipocalin-2 in both macrophages and microglial cells stimulated by lipopolysaccharides (LPS). The production of nitric oxide (NO) and expression levels of the pro-inflammatory cytokines, inducible nitric oxide synthase (iNOS) and cyclooxygenase (COX)-2, were also attenuated by quercetin treatment. Our results also showed that quercetin significantly reduced the expression levels of the M1 markers, such as interleukin (IL)-6, tumor necrosis factor (TNF)-α, and IL-1β, in the macrophages and microglia. The M1 polarization-associated chemokines, C–C motif chemokine ligand (CCL)-2 and C-X-C motif chemokine ligand (CXCL)-10, were also effectively reduced by the quercetin treatment. In addition, quercetin markedly reduced the production of various reactive oxygen species (ROS) in the microglia. The microglial phagocytic ability induced by the LPS was also effectively reduced by the quercetin treatment. Importantly, the quercetin increased the expression levels of the M2 marker, IL-10, and the endogenous antioxidants, heme oxygenase (HO)-1, glutamate-cysteine ligase catalytic subunit (GCLC), glutamate-cysteine ligase modifier subunit (GCLM), and NAD(P)H quinone oxidoreductase-1 (NQO1). The enhancement of the M2 markers and endogenous antioxidants by quercetin was activated by the AMP-activated protein kinase (AMPK) and Akt signaling pathways. Together, our study reported that the quercetin inhibited the effects of M1 polarization, including neuroinflammatory responses, ROS production, and phagocytosis. Moreover, the quercetin enhanced the M2 macrophage polarization and endogenous antioxidant expression in both macrophages and microglia. Our findings provide valuable information that quercetin may act as a potential drug for the treatment of diseases related to inflammatory disorders in the central nervous system.
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Affiliation(s)
- Cheng-Fang Tsai
- Department of Medical Laboratory Science and Biotechnology, Asia University, Taichung 413305, Taiwan
- Correspondence: (C.-F.T.); (W.-L.Y.)
| | - Guan-Wei Chen
- Institute of New Drug Development, China Medical University, Taichung 404328, Taiwan; (G.-W.C.); (Y.-C.C.)
| | - Yen-Chang Chen
- Institute of New Drug Development, China Medical University, Taichung 404328, Taiwan; (G.-W.C.); (Y.-C.C.)
| | - Ching-Kai Shen
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 404328, Taiwan;
| | - Dah-Yuu Lu
- Department of Pharmacology, School of Medicine, College of Medicine, China Medical University, Taichung 404328, Taiwan;
- Department of Photonics and Communication Engineering, Asia University, Taichung 413305, Taiwan
| | - Liang-Yo Yang
- Department of Physiology, School of Medicine, China Medical University, Taichung 404328, Taiwan;
- Laboratory for Neural Repair, China Medical University Hospital, Taichung 404327, Taiwan
- Biomedical Technology R&D Center, China Medical University Hospital, Taichung 404327, Taiwan
| | - Jia-Hong Chen
- Department of General Surgery, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung 427213, Taiwan;
| | - Wei-Lan Yeh
- Department of Biochemistry, School of Medicine, China Medical University, Taichung 404328, Taiwan
- Department of Biological Science and Technology, China Medical University, Taichung 404328, Taiwan
- Correspondence: (C.-F.T.); (W.-L.Y.)
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14
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Bonnard B, Ibarrola J, Lima-Posada I, Fernández-Celis A, Durand M, Genty M, Lopez-Andreés N, Jaisser F. Neutrophil Gelatinase-Associated Lipocalin From Macrophages Plays a Critical Role in Renal Fibrosis Via the CCL5 (Chemokine Ligand 5)-Th2 Cells-IL4 (Interleukin 4) Pathway. Hypertension 2021; 79:352-364. [PMID: 34794340 DOI: 10.1161/hypertensionaha.121.17712] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
NGAL (neutrophil gelatinase-associated lipocalin; or lipocalin 2, Lcn2) is a novel mineralocorticoid target in the cardiovascular system. We showed that Lcn2 gene invalidation protects against proteinuria and renal injury upon mineralocorticoid excess and we hypothesized that NGAL produced from macrophages promotes the expression of chemoattractant molecules involved these renal lesions. The role of NGAL was analyzed using myeloid-specific (MΦ KO NGAL) Lcn2 knockout mice challenged with uni-nephrectomy, aldosterone, and salt (NAS) for 6 weeks. The role of the CCL5 (chemokine ligand 5) and IL4 (interleukin 4) in kidney fibrosis was studied by administration of the CCL5 receptor antagonist maraviroc or by injections of an anti-IL4 neutralizing antibody. In CTL mice, NAS increased the renal expression of extracellular matrix proteins, such as collagen I, αSMA, and fibronectin associated with interstitial fibrosis which were blunted in MΦ KO NGAL mice. The expression of CCL5 was blunted in sorted macrophages from MΦ KO NGAL mice challenged by NAS and in macrophages obtained from KO NGAL mice and challenged ex vivo with aldosterone and salt. The pharmacological blockade of the CCL5 receptor reduced renal fibrosis and the CD4+ Th cell infiltration induced by NAS. Neutralization of IL4 in NAS mice blunted kidney fibrosis and the overexpression of profibrotic proteins, such as collagen I, αSMA, and fibronectin. In conclusion, NGAL produced by macrophages plays a critical role in renal fibrosis and modulates the CCL5/IL4 pathway in mice exposed to mineralocorticoid excess.
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Affiliation(s)
- Benjamin Bonnard
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, France (B.B., I.L.-P., M.D., M.G., F.J.)
| | - Jaime Ibarrola
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigacioón Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.)
| | - Ixchel Lima-Posada
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, France (B.B., I.L.-P., M.D., M.G., F.J.)
| | - Amaya Fernández-Celis
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigacioón Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.)
| | - Manon Durand
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, France (B.B., I.L.-P., M.D., M.G., F.J.)
| | - Marie Genty
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, France (B.B., I.L.-P., M.D., M.G., F.J.)
| | - Natalia Lopez-Andreés
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigacioón Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.)
| | - Frédéric Jaisser
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, France (B.B., I.L.-P., M.D., M.G., F.J.).,INSERM, Clinical Investigation Centre 1433, French-Clinical Research Infrastructure Network (F-CRIN) INI-CRCT, Nancy, France (F.J.)
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15
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Choi JA, Cho SN, Lee J, Son SH, Nguyen DT, Lee SA, Song CH. Lipocalin 2 regulates expression of MHC class I molecules in Mycobacterium tuberculosis-infected dendritic cells via ROS production. Cell Biosci 2021; 11:175. [PMID: 34563261 PMCID: PMC8466733 DOI: 10.1186/s13578-021-00686-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 09/01/2021] [Indexed: 11/28/2022] Open
Abstract
Background Iron has important roles as an essential nutrient for all life forms and as an effector of the host defense mechanism against pathogenic infection. Lipocalin 2 (LCN2), an innate immune protein, plays a crucial role in iron transport and inflammation. In the present study, we examined the role of LCN2 in immune cells during Mycobacterium tuberculosis (Mtb) infection. Results We found that infection with Mtb H37Ra induced LCN2 production in bone marrow-derived dendritic cells (BMDCs). Notably, expression of MHC class I molecules was significantly reduced in LCN2−/− BMDCs during Mtb infection. The reduced expression of MHC class I molecules was associated with the formation of a peptide loading complex through LCN2-mediated reactive oxygen species production. The reduced expression of MHC class I molecules affected CD8+ T-cell proliferation in LCN2−/− mice infected with Mtb. The difference in the population of CD8+ effector T cells might affect the survival of intracellular Mtb. We also found a reduction of the inflammation response, including serum inflammatory cytokines and lung inflammation in LCN2−/− mice, compared with wild-type mice, during Mtb infection. Conclusions These data suggest that LCN2-mediated reactive oxygen species affects expression of MHC class I molecules in BMDCs, leading to lower levels of CD8+ effector T-cell proliferation during mycobacterial infection. Supplementary Information The online version contains supplementary material available at 10.1186/s13578-021-00686-2.
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Affiliation(s)
- Ji-Ae Choi
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, 35015, Daejeon, South Korea.,Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea.,Translational Immunology Institute, Chungnam National University, 99 Daehak-ro, Yuseong-gu, 34134, Daejeon, South Korea
| | - Soo-Na Cho
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, 35015, Daejeon, South Korea.,Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
| | - Junghwan Lee
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, 35015, Daejeon, South Korea.,Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea.,Translational Immunology Institute, Chungnam National University, 99 Daehak-ro, Yuseong-gu, 34134, Daejeon, South Korea
| | - Sang-Hun Son
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, 35015, Daejeon, South Korea.,Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
| | - Doan Tam Nguyen
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, 35015, Daejeon, South Korea.,Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
| | - Seong-Ahn Lee
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, 35015, Daejeon, South Korea.,Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea
| | - Chang-Hwa Song
- Department of Microbiology, Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, 35015, Daejeon, South Korea. .,Department of Medical Science, College of Medicine, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon, 35015, South Korea. .,Translational Immunology Institute, Chungnam National University, 99 Daehak-ro, Yuseong-gu, 34134, Daejeon, South Korea.
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16
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ZHAI GY, QIE SY, GUO QY, QI Y, ZHOU YJ. sDR5-Fc inhibits macrophage M1 polarization by blocking the glycolysis. J Geriatr Cardiol 2021; 18:271-280. [PMID: 33995506 PMCID: PMC8100429 DOI: 10.11909/j.issn.1671-5411.2021.04.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023] Open
Abstract
BACKGROUND M1 polarization of macrophages is an important pathological process in myocardial ischemia reperfusion injury, which is the major obstacle for the treatment of acute myocardial infarction. Currently, the strategies and mechanisms of inhibiting M1 polarization are poorly explored. This study aims to investigate the role of soluble death receptor 5-Fc (sDR5-Fc) in regulating M1 polarization of macrophages under extreme conditions and explore the mechanisms from the aspect of glycolysis. METHODS Extreme conditions were induced in RAW264.7 cells. Real-time quantitative polymerase chain reaction and western blot were used to detect the expression of mRNA and proteins, respectively. Cell counting kit-8 was used to investigate the proliferation activity of cells. Expression levels of inflammatory cytokines were determined by enzyme-linked immunosorbent assay. RESULTS We found that sDR5-Fc rescues the proliferation of macrophages under extreme conditions, including nutrition deficiency, excessive peroxide, and ultraviolet irradiation. In addition, administration of sDR5-Fc inhibits the M1 polarization of macrophages induced by lipopolysaccharide (LPS) and interferon-gamma (IFN-γ), as the expression of M1 polarization markers CD86, CXC motif chemokine ligand 10, matrix metalloproteinase 9, and tumor necrosis factor-α, as well as the secretion of inflammatory factors interleukin (IL)-1β and IL-6, were significantly decreased. By further investigation of the mechanisms, the results showed that sDR5-Fc can recover the LPS and IFN-γ induced pH reduction, lactic acid elevation, and increased expression of hexokinase 2 and glucose transporter 1, which were markers of glycolysis in macrophages. CONCLUSIONS sDR5-Fc inhibits the M1 polarization of macrophages by blocking the glycolysis, which provides a new direction for the development of strategies in the treatment of myocardial ischemia reperfusion injury.
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Affiliation(s)
- Guang-Yao ZHAI
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing, China
| | - Shu-Yan QIE
- Department of Rehabilitation, Beijing Rehabilitation Hospital of Capital Medical University, Beijing, China
| | - Qian-Yun GUO
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing, China
| | - Yue QI
- Department of Epidemiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, Beijing, China
| | - Yu-Jie ZHOU
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing, China
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17
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Bonnard B, Martínez-Martínez E, Fernández-Celis A, Pieronne-Deperrois M, Do QT, Ramos I, Rossignol P, Zannad F, Mulder P, Ouvrard-Pascaud A, López-Andrés N, Jaisser F. Antifibrotic effect of novel neutrophil gelatinase-associated lipocalin inhibitors in cardiac and renal disease models. Sci Rep 2021; 11:2591. [PMID: 33510370 PMCID: PMC7844219 DOI: 10.1038/s41598-021-82279-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 01/19/2021] [Indexed: 11/18/2022] Open
Abstract
Neutrophil gelatinase-associated lipocalin (NGAL) is involved in cardiovascular and renal diseases. Gene inactivation of NGAL blunts the pathophysiological consequences of cardiovascular and renal damage. We aimed to design chemical NGAL inhibitors and investigate its effects in experimental models of myocardial infarction (MI) and chronic kidney disease induced by 5/6 nephrectomy (CKD) on respectively 8–12 weeks old C57Bl6/j and FVB/N male mice. Among the 32 NGAL inhibitors tested, GPZ614741 and GPZ058225 fully blocked NGAL-induced inflammatory and profibrotic markers in human cardiac fibroblasts and primary mouse kidney fibroblasts. The administration of GPZ614741 (100 mg/kg/day) for three months, was able to improve cardiac function in MI mice and reduced myocardial fibrosis and inflammation. The administration of GPZ614741 (100 mg/kg/day) for two months resulting to no renal function improvement but prevented the increase in blood pressure, renal tubulointerstitial fibrosis and profibrotic marker expression in CKD mice. In conclusion, we have identified new compounds with potent inhibitory activity on NGAL-profibrotic and pro-inflammatory effects. GPZ614741 prevented interstitial fibrosis and dysfunction associated with MI, as well as tubulointerstitial fibrosis in a CKD model. These inhibitors could be used for other diseases that involve NGAL, such as cancer or metabolic diseases, creating new therapeutic options.
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Affiliation(s)
- Benjamin Bonnard
- INSERM, UMRS 1138, Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 15 rue de l'Ecole de Médecine, 75006, Paris, France
| | - Ernesto Martínez-Martínez
- INSERM, UMRS 1138, Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 15 rue de l'Ecole de Médecine, 75006, Paris, France
| | - Amaya Fernández-Celis
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain
| | | | | | - Isbaal Ramos
- Innovative Technologies in Biological Systems SL (INNOPROT), Bizkaia, Spain
| | - Patrick Rossignol
- INSERM Centre d'Investigations Cliniques-Plurithématique 1433, UMR 1116, CHRU de Nancy, French-Clinical Research Infrastructure Network (F-CRIN) INI-CRCT, Université de Lorraine, Nancy, France
| | - Faiez Zannad
- INSERM Centre d'Investigations Cliniques-Plurithématique 1433, UMR 1116, CHRU de Nancy, French-Clinical Research Infrastructure Network (F-CRIN) INI-CRCT, Université de Lorraine, Nancy, France
| | - Paul Mulder
- Inserm U1096, UFR Médecine-Pharmacie, Rouen, France
| | | | - Natalia López-Andrés
- Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain.,INSERM Centre d'Investigations Cliniques-Plurithématique 1433, UMR 1116, CHRU de Nancy, French-Clinical Research Infrastructure Network (F-CRIN) INI-CRCT, Université de Lorraine, Nancy, France
| | - Frédéric Jaisser
- INSERM, UMRS 1138, Centre de Recherche des Cordeliers, Sorbonne Université, Université de Paris, 15 rue de l'Ecole de Médecine, 75006, Paris, France. .,INSERM Centre d'Investigations Cliniques-Plurithématique 1433, UMR 1116, CHRU de Nancy, French-Clinical Research Infrastructure Network (F-CRIN) INI-CRCT, Université de Lorraine, Nancy, France.
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18
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Jiang T, Liu Y, Chen B, Si L. Identification of potential molecular mechanisms and small molecule drugs in myocardial ischemia/reperfusion injury. ACTA ACUST UNITED AC 2020; 53:S0100-879X2020000900604. [PMID: 32696819 PMCID: PMC7372942 DOI: 10.1590/1414-431x20209717] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 06/02/2020] [Indexed: 01/05/2023]
Abstract
Myocardial ischemia/reperfusion (MI/R) injury is a complex phenomenon that causes severe damage to the myocardium. However, the potential molecular mechanisms of MI/R injury have not been fully clarified. We identified potential molecular mechanisms and therapeutic targets in MI/R injury through analysis of Gene Expression Omnibus (GEO) database. Differentially expressed genes (DEGs) were found between MI/R injury and normal samples, and overlapping DEGs were found between GSE61592 and GSE67308. Gene Ontology (GO) and pathway analysis were performed for overlapping DEGs by Database for Annotation, Visualization and Integration Discovery (DAVID). Then, a network of protein-protein interaction (PPI) was constructed through the Search Tool for the Retrieval of Interacting Genes (STRING) database. Potential microRNAs (miRNAs) and therapeutic small molecules were screened out using microRNA.org database and the Comparative Toxicogenomics database (CTD), respectively. Finally, we identified 21 overlapping DEGs related to MI/R injury. These DEGs were significantly enriched in IL-17 signaling pathway, cytosolic DNA-sensing pathway, chemokine signaling, and cytokine-cytokine receptor interaction pathway. According to the degree in the PPI network, CCL2, LCN2, HP, CCL7, HMOX1, CCL4, and S100A8 were found to be hub genes. Furthermore, we identified potential miRNAs (miR-24-3p, miR-26b-5p, miR-2861, miR-217, miR-4251, and miR-124-3p) and therapeutic small molecules like ozone, troglitazone, rosiglitazone, and n-3 polyunsaturated fatty acids for MI/R injury. These results identified hub genes and potential small molecule drugs, which could contribute to the understanding of molecular mechanisms and treatment for MI/R injury.
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Affiliation(s)
- Tao Jiang
- The Third Clinical Medical College, Chongqing Medical University, Chongqing, China
| | - Yingcun Liu
- The Third Clinical Medical College, Chongqing Medical University, Chongqing, China
| | - Biao Chen
- The Third Clinical Medical College, Chongqing Medical University, Chongqing, China
| | - Liangyi Si
- The Third Clinical Medical College, Chongqing Medical University, Chongqing, China
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19
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Abstract
PURPOSE OF REVIEW Although organ transplantation has become the standard life-saving strategy for patients with end-stage organ failure and those with malignancies, effective and safe therapeutic strategies to combat allograft loss remain to be established. With the emerging evidence suggesting the critical role of innate immunity in the mechanism of allograft injury, we summarize the latest understanding of macrophage-neutrophil cross-communication and discuss therapeutic prospects of their targeting in transplant recipients. RECENT FINDINGS Macrophages and neutrophils contribute to the pathogenesis of early peritransplant ischemia-reperfusion injury and subsequent allograft rejection immune cascade, primarily by exacerbating inflammatory response and tissue damage. Noteworthy, recent advances enabled to elucidate multifaceted functions of innate immune cells, which are not only deleterious but may also prove graft-protective. Indeed, the efficacy of macrophage polarizing regimens or macrophage-targeted migration have been recognized to create graft-protective local environment. Moreover, novel molecular mechanisms in the neutrophil function have been identified, such as neutrophil extracellular traps, tissue-repairing capability, crosstalk with macrophages and T cells as well as reverse migration into the circulation. SUMMARY As efficient strategies to manage allograft rejection and improve transplant outcomes are lacking, newly discovered, and therapeutically attractive innate immune cell functions warrant comprehensive preclinical and clinical attention.
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Ondee T, Gillen J, Visitchanakun P, Somparn P, Issara-Amphorn J, Dang Phi C, Chancharoenthana W, Gurusamy D, Nita-Lazar A, Leelahavanichkul A. Lipocalin-2 (Lcn-2) Attenuates Polymicrobial Sepsis with LPS Preconditioning (LPS Tolerance) in FcGRIIb Deficient Lupus Mice. Cells 2019; 8:cells8091064. [PMID: 31514375 PMCID: PMC6769833 DOI: 10.3390/cells8091064] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 09/05/2019] [Accepted: 09/08/2019] [Indexed: 02/08/2023] Open
Abstract
In patients with active lupus, spontaneous endotoxemia and possibly tolerance to lipopolysaccharide (LPS) is a potentially adverse complication. Similarly, previous reports have demonstrated that FcGRIIb deficient mice (FcGRIIb-/-; a lupus mouse model) are susceptible to LPS tolerance-induced decreased cytokine responses that inadequate for the organismal control. Thus, understanding the relationship between FcGRIIb and LPS tolerance could improve the therapeutic strategy for lupus. LPS tolerance can be induced through sequential LPS stimulations in either cells or a model organism. In RAW264.7 (a mouse macrophage cell-line), sequential LPS stimulation induced the secretion of Lipocalin-2 (Lcn-2) despite reduced cytokine secretion and severe energy depletion, as measured by the extracellular flux analysis, typical of LPS tolerance. In contrast, treatment with recombinant Lcn-2 (rLcn-2) attenuated LPS tolerance, as shown by an increase in secreted cytokines and altered macrophage polarization toward M1 (increased iNOS and TNF-α) in RAW264.7 cells. These results suggest a role of Lcn-2 in LPS tolerance attenuation. In bone marrow derived macrophages, Lcn-2 level was similar in LPS tolerant FcGRIIb-/- and wild-type (WT) cells despite the increased LPS tolerance of FcGRIIb-/- cells, suggesting relatively low basal levels of Lcn-2 produced in FcGRIIb-/- cells. In addition, attenuation of LPS tolerance effectuated by granulocyte-monocyte colony stimulating factor (GM-CSF) reduced Lcn-2 in both cell types, implying an inverse correlation between Lcn-2 and the severity of LPS tolerance. Consequently, rLcn-2 improved LPS tolerance only in FcGRIIb-/- macrophages and attenuated disease severity of cecal ligation and puncture (CLP) sepsis pre-conditioning with sequential LPS injection (LPS-CLP model) only in FcGRIIb-/- mice, but not in WT mice. To summarize, inadequate Lcn-2 production in FcGRIIb-/- macrophage might, at least in part, be responsible for the inordinate LPS tolerance compared with WT cells. Additionally, supplementation of rLcn-2 attenuates LPS tolerance in FcGRIIb-/- macrophages in vitro, and in FcGRIIb-/- mice with LPS-CLP sepsis in vivo. In conclusion, Lcn-2 secreted by macrophages is possibly an autocrine signal to counter the reduced cytokine secretion in LPS tolerance.
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Affiliation(s)
- Thunnicha Ondee
- Department of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Joseph Gillen
- Functional Cellular Networks Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892, USA
| | - Peerapat Visitchanakun
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Poorichaya Somparn
- Center of Excellence in Systems Biology, Research affairs, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Jiraphorn Issara-Amphorn
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Cong Dang Phi
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Wiwat Chancharoenthana
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Devikala Gurusamy
- Surgery Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Aleksandra Nita-Lazar
- Functional Cellular Networks Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892, USA
| | - Asada Leelahavanichkul
- Department of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand.
- Translational Research in Inflammation and Immunology Research Unit (TRIRU), Department of Microbiology, Chulalongkorn University, Bangkok 10330, Thailand.
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21
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Nguyen VT, Farman N, Palacios-Ramirez R, Sbeih M, Behar-Cohen F, Aractingi S, Jaisser F. Cutaneous Wound Healing in Diabetic Mice Is Improved by Topical Mineralocorticoid Receptor Blockade. J Invest Dermatol 2019; 140:223-234.e7. [PMID: 31278904 DOI: 10.1016/j.jid.2019.04.030] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 03/20/2019] [Accepted: 04/08/2019] [Indexed: 12/19/2022]
Abstract
Skin ulcers resulting from impaired wound healing are a serious complication of diabetes. Unresolved inflammation, associated with the dysregulation of both the phenotype and function of macrophages, is involved in the poor healing of diabetic wounds. Here, we report that topical pharmacological inhibition of the mineralocorticoid receptor (MR) by canrenoate or MR small interfering RNA can resolve inflammation to improve delayed skin wound healing in diabetic mouse models; importantly, wounds from normal mice are unaffected. The beneficial effect of canrenoate is associated with an increased ratio of anti-inflammatory M2 macrophages to proinflammatory M1 macrophages in diabetic wounds. Furthermore, we show that MR blockade leads to downregulation of the MR target, LCN2, which may facilitate macrophage polarization toward the M2 phenotype and improve impaired angiogenesis in diabetic wounds. Indeed, diabetic LCN2-deficient mice showed improved wound healing associated with macrophage M2 polarization and angiogenesis. In addition, recombinant LCN2 protein prevented IL-4-induced macrophage switch from M1 to M2 phenotype. In conclusion, topical MR blockade accelerates skin wound healing in diabetic mice via LCN2 reduction, M2 macrophage polarization, prevention of inflammation, and induction of angiogenesis.
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Affiliation(s)
- Van Tuan Nguyen
- INSERM, Centre de Recherche des Cordeliers, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France; Laboratory of progenitors and endothelial cells during and after pregnancy, INSERM UMR 938, Centre de Recherche St Antoine, Sorbonne Université, Paris, France; Department of Basic Science, Thai Nguyen University of Agriculture and Forestry, Thainguyen, Vietnam
| | - Nicolette Farman
- INSERM, Centre de Recherche des Cordeliers, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France
| | - Roberto Palacios-Ramirez
- INSERM, Centre de Recherche des Cordeliers, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France
| | - Maria Sbeih
- Laboratory of progenitors and endothelial cells during and after pregnancy, INSERM UMR 938, Centre de Recherche St Antoine, Sorbonne Université, Paris, France
| | - Francine Behar-Cohen
- INSERM, Centre de Recherche des Cordeliers, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France; Faculty of Medicine, Université Paris Descartes, Paris, France
| | - Sélim Aractingi
- Laboratory of progenitors and endothelial cells during and after pregnancy, INSERM UMR 938, Centre de Recherche St Antoine, Sorbonne Université, Paris, France; Faculty of Medicine, Université Paris Descartes, Paris, France; Department of Dermatology, Hôpital Cochin-Tarnier, Paris, France
| | - Frederic Jaisser
- INSERM, Centre de Recherche des Cordeliers, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France; INSERM, Clinical Investigation Centre 1433, Vandoeuvre-lès-Nancy, France.
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Atawia RT, Bunch KL, Toque HA, Caldwell RB, Caldwell RW. Mechanisms of obesity-induced metabolic and vascular dysfunctions. FRONT BIOSCI-LANDMRK 2019; 24:890-934. [PMID: 30844720 PMCID: PMC6689231 DOI: 10.2741/4758] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Obesity has reached epidemic proportions and its prevalence is climbing. Obesity is characterized by hypertrophied adipocytes with a dysregulated adipokine secretion profile, increased recruitment of inflammatory cells, and impaired metabolic homeostasis that eventually results in the development of systemic insulin resistance, a phenotype of type 2 diabetes. Nitric oxide synthase (NOS) is an enzyme that converts L-arginine to nitric oxide (NO), which functions to maintain vascular and adipocyte homeostasis. Arginase is a ureohydrolase enzyme that competes with NOS for L-arginine. Arginase activity/expression is upregulated in obesity, which results in diminished bioavailability of NO, impairing both adipocyte and vascular endothelial cell function. Given the emerging role of NO in the regulation of adipocyte physiology and metabolic capacity, this review explores the interplay between arginase and NO, and their effect on the development of metabolic disorders, cardiovascular diseases, and mitochondrial dysfunction in obesity. A comprehensive understanding of the mechanisms involved in the development of obesity-induced metabolic and vascular dysfunction is necessary for the identification of more effective and tailored therapeutic avenues for their prevention and treatment.
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Affiliation(s)
- Reem T Atawia
- Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University. Augusta, GA 30904, USA
| | - Katharine L Bunch
- Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University. Augusta, GA 30904, USA
| | - Haroldo A Toque
- Department of Pharmacology and Toxicology,and Vascular Biology Center, Medical College of Georgia, Augusta University. Augusta, GA 30904, USA
| | - Ruth B Caldwell
- Vascular Biology Center, Medical College of Georgia, Augusta University. Augusta, GA 30904, USA
| | - Robert W Caldwell
- Vascular Biology Center, Medical College of Georgia, Augusta University. Augusta, GA 30904,USA,
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Zhang M, Nakamura K, Kageyama S, Lawal AO, Gong KW, Bhetraratana M, Fujii T, Sulaiman D, Hirao H, Bolisetty S, Kupiec-Weglinski JW, Araujo JA. Myeloid HO-1 modulates macrophage polarization and protects against ischemia-reperfusion injury. JCI Insight 2018; 3:120596. [PMID: 30282830 DOI: 10.1172/jci.insight.120596] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 08/21/2018] [Indexed: 01/23/2023] Open
Abstract
Macrophages polarize into heterogeneous proinflammatory M1 and antiinflammatory M2 subtypes. Heme oxygenase 1 (HO-1) protects against inflammatory processes such as ischemia-reperfusion injury (IRI), organ transplantation, and atherosclerosis. To test our hypothesis that HO-1 regulates macrophage polarization and protects against IRI, we generated myeloid-specific HO-1-knockout (mHO-1-KO) and -transgenic (mHO-1-Tg) mice, with deletion or overexpression of HO-1, in various macrophage populations. Bone marrow-derived macrophages (BMDMs) from mHO-1-KO mice, treated with M1-inducing LPS or M2-inducing IL-4, exhibited increased mRNA expression of M1 (CXCL10, IL-1β, MCP1) and decreased expression of M2 (Arg1 and CD163) markers as compared with controls, while BMDMs from mHO-1-Tg mice displayed the opposite. A similar pattern was observed in the hepatic M1/M2 expression profile in a mouse model of liver IRI. mHO-1-KO mice displayed increased hepatocellular damage, serum AST/ALT levels, Suzuki's histological score of liver IRI, and neutrophil and macrophage infiltration, while mHO-1-Tg mice exhibited the opposite. In human liver transplant biopsies, subjects with higher HO-1 levels showed lower expression of M1 markers together with decreased hepatocellular damage and improved outcomes. In conclusion, myeloid HO-1 expression modulates macrophage polarization, and protects against liver IRI, at least in part by favoring an M2 phenotype.
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Affiliation(s)
- Min Zhang
- Department of Medicine, Division of Cardiology, and
| | - Kojiro Nakamura
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Shoichi Kageyama
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | | | - Ke Wei Gong
- Department of Medicine, Division of Cardiology, and
| | | | - Takehiro Fujii
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | | | - Hirofumi Hirao
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | | | - Jerzy W Kupiec-Weglinski
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Jesus A Araujo
- Department of Medicine, Division of Cardiology, and.,Department of Environmental Health Sciences, Fielding School of Public Health, University of California, Los Angeles, California, USA
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24
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More than a simple biomarker: the role of NGAL in cardiovascular and renal diseases. Clin Sci (Lond) 2018; 132:909-923. [PMID: 29739822 DOI: 10.1042/cs20171592] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/05/2018] [Accepted: 04/04/2018] [Indexed: 12/15/2022]
Abstract
Neutrophil gelatinase-associated lipocalin (NGAL) is a small circulating protein that is highly modulated in a wide variety of pathological situations, making it a useful biomarker of various disease states. It is one of the best markers of acute kidney injury, as it is rapidly released after tubular damage. However, a growing body of evidence highlights an important role for NGAL beyond that of a biomarker of renal dysfunction. Indeed, numerous studies have demonstrated a role for NGAL in both cardiovascular and renal diseases. In the present review, we summarize current knowledge concerning the involvement of NGAL in cardiovascular and renal diseases and discuss the various mechanisms underlying its pathological implications.
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25
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Neutrophil Gelatinase-Associated Lipocalin from immune cells is mandatory for aldosterone-induced cardiac remodeling and inflammation. J Mol Cell Cardiol 2017; 115:32-38. [PMID: 29289651 DOI: 10.1016/j.yjmcc.2017.12.011] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 12/05/2017] [Accepted: 12/27/2017] [Indexed: 12/14/2022]
Abstract
Immune system activation is involved in cardiovascular (CV) inflammation and fibrosis, following activation of the mineralocorticoid receptor (MR). We previously showed that Neutrophil Gelatinase-Associated Lipocalin (NGAL) is a novel target of MR signaling in CV tissue and plays a critical role in aldosterone/MR-dependent hypertension and fibrosis. We hypothesized that the production of NGAL by immune cells may play an important part in the mediation of these deleterious mineralocorticoid-induced effects. We analyzed the effect of aldosterone on immune cell recruitment and NGAL expression in vivo. We then studied the role of NGAL produced by immune cells in aldosterone-mediated cardiac inflammation and remodeling using mice depleted for NGAL in their immune cells by bone marrow transplantation and subjected to mineralocorticoid challenge NAS (Nephrectomy, Aldosterone 200μg/kg/day, Salt 1%). NAS treatment induced the recruitment of various immune cell populations to lymph nodes (granulocytes, B lymphocytes, activated CD8+ T lymphocytes) and the induction of NGAL expression in macrophages, dendritic cells, and PBMCs. Mice depleted for NGAL in their immune cells were protected against NAS-induced cardiac remodeling and inflammation. We conclude that NGAL produced by immune cells plays a pivotal role in cardiac damage under mineralocorticoid excess. Our data further stressed a pathogenic role of NGAL in cardiac damages, besides its relevance as a biomarker of renal injury.
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Martínez-Martínez E, Buonafine M, Boukhalfa I, Ibarrola J, Fernández-Celis A, Kolkhof P, Rossignol P, Girerd N, Mulder P, López-Andrés N, Ouvrard-Pascaud A, Jaisser F. Aldosterone Target NGAL (Neutrophil Gelatinase–Associated Lipocalin) Is Involved in Cardiac Remodeling After Myocardial Infarction Through NFκB Pathway. Hypertension 2017; 70:1148-1156. [DOI: 10.1161/hypertensionaha.117.09791] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 06/19/2017] [Accepted: 09/04/2017] [Indexed: 12/30/2022]
Affiliation(s)
- Ernesto Martínez-Martínez
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Mathieu Buonafine
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Ines Boukhalfa
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Jaime Ibarrola
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Amaya Fernández-Celis
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Peter Kolkhof
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Patrick Rossignol
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Nicolas Girerd
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Paul Mulder
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Natalia López-Andrés
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Antoine Ouvrard-Pascaud
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
| | - Frédéric Jaisser
- From the INSERM, UMRS 1138, Team 1, Centre de Recherche des Cordeliers, Pierre et Marie Curie University, Paris Descartes University, France (E.M.-M., M.B., F.J.); Inserm U1096, UFR Médecine-Pharmacie, Rouen, France (I.B., P.M., A.O.-P.); Cardiovascular Translational Research, Navarrabiomed (Miguel Servet Foundation), Instituto de Investigación Sanitaria de Navarra (IdiSNA), Pamplona, Spain (J.I., A.F.-C., N.L.-A.); Cardiology Research, BAYER AG, Wuppertal, Germany (P.K.); and INSERM, Centre
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27
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Abstract
Neutrophil gelatinase-associated lipocalin (NGAL) is increasingly regarded as a biomarker of acute kidney injury, or kidney injury in general, but the stimuli responsible for its production are incompletely understood. This study tested the relationship between the pro-inflammatory cytokine interleukin-1β (IL-1β) and both circulating and renal NGAL, using chronic subcutaneous infusion of IL-1β in mice and tissue culture of renal cell lines. Following a 14-day subcutaneous infusion of vehicle or IL-1β (10ng/h) in male C57Bl/6 mice, a striking positive correlation (r2=0.94; P<0.01) was observed between plasma IL-1β and NGAL concentrations. NGAL was markedly increased in the kidneys of IL-1β-infused mice compared with vehicle-treated mice, both at the protein and mRNA level, indicating increased local as well as systemic production of NGAL. Immunohistochemical staining revealed prominent increases of NGAL in the proximal tubular epithelium of IL-1β infused mice. These effects occurred in the absence of overt renal injury, with plasma creatinine concentration not significantly different between groups. Further showing that IL-1β has a direct effect on NGAL production by tubular epithelial cells, exposure of a proximal tubular cell line (HK-2 cells) and a cortical collecting duct principal cell line (mpkCCD cells) to IL-1β for 24h produced a significant increase of NGAL mRNA levels (>30-fold). These data indicate IL-1β serves as a powerful stimulus for renal production of NGAL.
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Ye D, Yang K, Zang S, Lin Z, Chau HT, Wang Y, Zhang J, Shi J, Xu A, Lin S, Wang Y. Lipocalin-2 mediates non-alcoholic steatohepatitis by promoting neutrophil-macrophage crosstalk via the induction of CXCR2. J Hepatol 2016; 65:988-997. [PMID: 27266617 DOI: 10.1016/j.jhep.2016.05.041] [Citation(s) in RCA: 103] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 05/11/2016] [Accepted: 05/26/2016] [Indexed: 12/23/2022]
Abstract
BACKGROUND & AIMS Inflammatory cell infiltration in the liver is a hallmark of non-alcoholic steatohepatitis (NASH). However, the pathological events which trigger the infiltration of inflammatory cells to mediate NASH pathogenesis remains poorly understood. This study aims to investigate the role of neutrophil-derived lipocalin 2 (LCN2) in mediating the transition from simple steatosis to NASH. METHODS Animal models of NASH were induced by high fat high cholesterol (HFHC) diet and methionine- and choline-deficient (MCD) diet in LCN2 knockout mice and wild-type controls. RESULTS Circulating levels of LCN2 and its hepatic expression were markedly increased in both murine models and human subjects with NASH, and these changes were associated with increased infiltration of neutrophils. In diet-induced NASH models, hepatic injury, necroinflammation and infiltration of neutrophils and macrophages were substantially attenuated by genetic depletion of LCN2. In contrast, chronic infusion of recombinant LCN2 exacerbated diet-induced liver injury, inflammation and macrophage accumulation in a neutrophil-dependent manner. Primary mouse neutrophils lacking LCN2 exhibited a defective migration capacity, which can be reversed by replenishment with recombinant LCN2. Mechanistically, LCN2 induced the expression of the chemokine (C-X-C motif) receptor 2 (CXCR2), thereby leading to activation of ERK1/2 and production of proinflammatory chemokines. LCN2-induced inflammation, infiltration of macrophages and liver injury was abrogated in CXCR2-deficient mice. CONCLUSIONS These findings demonstrated that LCN2 acts as a central mediator to facilitate the crosstalk between neutrophils and hepatic macrophages via induction of the chemokine receptor CXCR2, thereby exacerbating steatohepatitis. LAY SUMMARY Lipocalin-2 levels in blood and the liver were markedly increased in both mouse models and human subjects with NASH, and these changes were associated with increased infiltration of neutrophils in the liver. In diet-induced NASH models, hepatic injury, necroinflammation and infiltration of neutrophils and macrophages were substantially attenuated by genetic depletion of lipocalin-2, but was augmented by chronic infusion of recombinant lipocalin-2. Lipocalin-2 induced the expression of the chemokine receptor CXCR2, thereby leading to activation of the mitogen-activated protein (MAP) kinase ERK1/2 and production of proinflammatory chemokines. Lipocalin-2-induced inflammation, infiltration of macrophages and liver injury was abrogated in CXCR2-deficient mice.
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Affiliation(s)
- Dewei Ye
- Joint Institute of Metabolic Medicine between State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong and Jinan University, Guangzhou, China; State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China; Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Kangmin Yang
- Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong, China
| | - Shufei Zang
- Department of Liver Diseases, Hangzhou Normal University Affiliated Hospital, Hangzhou, China
| | - Zhuofeng Lin
- Joint Institute of Metabolic Medicine between State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong and Jinan University, Guangzhou, China
| | - Hau-Tak Chau
- Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Yudong Wang
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China
| | - Jialiang Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China; Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Junping Shi
- Department of Liver Diseases, Hangzhou Normal University Affiliated Hospital, Hangzhou, China
| | - Aimin Xu
- Joint Institute of Metabolic Medicine between State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong and Jinan University, Guangzhou, China; State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China; Department of Medicine, The University of Hong Kong, Hong Kong, China.
| | - Shaoqiang Lin
- Joint Institute of Metabolic Medicine between State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong and Jinan University, Guangzhou, China; Central Laboratory of the First Affiliated Hospital of Jinan University, Guangzhou, China.
| | - Yu Wang
- Joint Institute of Metabolic Medicine between State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong and Jinan University, Guangzhou, China; State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong, China; Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong, China.
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Wieser V, Tymoszuk P, Adolph TE, Grander C, Grabherr F, Enrich B, Pfister A, Lichtmanegger L, Gerner R, Drach M, Moser P, Zoller H, Weiss G, Moschen AR, Theurl I, Tilg H. Lipocalin 2 drives neutrophilic inflammation in alcoholic liver disease. J Hepatol 2016; 64:872-80. [PMID: 26682726 DOI: 10.1016/j.jhep.2015.11.037] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 11/09/2015] [Accepted: 11/27/2015] [Indexed: 02/08/2023]
Abstract
BACKGROUND & AIMS Alcoholic steatohepatitis (ASH) is characterised by neutrophil infiltration that contributes to hepatic injury and disease. Lipocalin-2 (LCN2) was originally identified as siderophore binding peptide in neutrophils, which exerted tissue protective effects in several disease models. Here we investigate the role of LCN2 in the pathogenesis of alcohol-induced liver injury. METHODS We compared hepatic LCN2 expression in ASH patients, alcoholic cirrhosis patients without evidence of ASH and patients with non-alcoholic fatty liver disease (NAFLD; i.e. simple steatosis). To mechanistically dissect LCN2 function in alcohol-induced liver injury, we subjected wild-type (WT) and Lcn2-deficient (Lcn2(-/-)) mice to the Lieber-DeCarli diet containing 5% ethanol (EtOH) or isocaloric maltose. Adoptive transfer experiments were performed to track neutrophil migration. Furthermore, we tested the effect of antibody-mediated LCN2 neutralisation in an acute model of ethanol-induced hepatic injury. RESULTS Patients with ASH exhibited increased hepatic LCN2 immunoreactivity compared to patients with alcoholic cirrhosis or simple steatosis, which mainly localised to neutrophils. Similarly, ethanol-fed mice exhibited increased LCN2 expression that mainly localised to leukocytes and especially neutrophils. Lcn2(-/-) mice were protected from alcoholic liver disease (ALD) as demonstrated by reduced neutrophil infiltration, liver injury and hepatic steatosis compared to WT controls. Adoptive transfers revealed that neutrophil-derived LCN2 critically determines hepatic neutrophil immigration and persistence during chronic alcohol exposure. Antibody-mediated neutralisation of LCN2 protected from hepatic injury and neutrophilic infiltration after acute alcohol challenge. CONCLUSIONS LCN2 drives ethanol-induced neutrophilic inflammation and propagates the development of ALD. Despite a critical role for LCN2 in immunity and infection, pharmacological neutralisation of LCN2 might be of promise in ALD.
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Affiliation(s)
- Verena Wieser
- Department of Internal Medicine I, Gastroenterology, Endocrinology & Metabolism, Medical University Innsbruck, Austria
| | - Piotr Tymoszuk
- Department of Internal Medicine VI, Infectious Diseases, Immunology, Rheumatology & Pneumology, Medical University Innsbruck, Austria
| | - Timon Erik Adolph
- Department of Internal Medicine I, Gastroenterology, Endocrinology & Metabolism, Medical University Innsbruck, Austria
| | - Christoph Grander
- Department of Internal Medicine I, Gastroenterology, Endocrinology & Metabolism, Medical University Innsbruck, Austria
| | - Felix Grabherr
- Department of Internal Medicine I, Gastroenterology, Endocrinology & Metabolism, Medical University Innsbruck, Austria
| | - Barbara Enrich
- Department of Internal Medicine I, Gastroenterology, Endocrinology & Metabolism, Medical University Innsbruck, Austria
| | - Alexandra Pfister
- Department of Internal Medicine I, Gastroenterology, Endocrinology & Metabolism, Medical University Innsbruck, Austria
| | - Lisa Lichtmanegger
- Department of Internal Medicine I, Gastroenterology, Endocrinology & Metabolism, Medical University Innsbruck, Austria
| | - Romana Gerner
- Department of Internal Medicine I, Gastroenterology, Endocrinology & Metabolism, Medical University Innsbruck, Austria
| | - Mathias Drach
- Department of Dermatology, University Hospital Zurich, Switzerland
| | - Patrizia Moser
- Institute of Pathology, Medical University Innsbruck, Austria
| | - Heinz Zoller
- Department of Internal Medicine II, Gastroenterology & Hepatology, Medical University Innsbruck, Austria
| | - Günter Weiss
- Department of Internal Medicine VI, Infectious Diseases, Immunology, Rheumatology & Pneumology, Medical University Innsbruck, Austria
| | - Alexander Rupert Moschen
- Department of Internal Medicine I, Gastroenterology, Endocrinology & Metabolism, Medical University Innsbruck, Austria
| | - Igor Theurl
- Department of Internal Medicine VI, Infectious Diseases, Immunology, Rheumatology & Pneumology, Medical University Innsbruck, Austria
| | - Herbert Tilg
- Department of Internal Medicine I, Gastroenterology, Endocrinology & Metabolism, Medical University Innsbruck, Austria.
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Eilenberg W, Stojkovic S, Piechota-Polanczyk A, Kaun C, Rauscher S, Gröger M, Klinger M, Wojta J, Neumayer C, Huk I, Demyanets S. Neutrophil Gelatinase-Associated Lipocalin (NGAL) is Associated with Symptomatic Carotid Atherosclerosis and Drives Pro-inflammatory State In Vitro. Eur J Vasc Endovasc Surg 2016; 51:623-31. [PMID: 26947538 DOI: 10.1016/j.ejvs.2016.01.009] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 01/16/2016] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Neutrophil gelatinase-associated lipocalin (NGAL), a protein found in activated neutrophils, is expressed in kidney tubule cells in response to noxious stimuli, and is thus recognized as a marker of acute kidney injury. Recent studies have suggested that NGAL could also have pathophysiological importance in cardiovascular diseases. The aim of the present study was to examine NGAL expression in human carotid endarterectomy tissues ex vivo as well as the effects of NGAL in the main cell types involved in atherogenesis, namely in human macrophages, endothelial cells, and smooth muscle cells in vitro. METHODS NGAL protein was analyzed in human endarterectomy samples from patients with asymptomatic and symptomatic carotid stenosis by immunofluorescence, and NGAL mRNA expression was detected using RealTime-PCR. Human monocyte derived macrophages (MDM), human coronary artery smooth muscle cells (HCASMC), and human umbilical vein endothelial cells (HUVEC) were treated with recombinant human (rh) NGAL at different concentrations. Interleukin (IL)-6, IL-8, and monocyte chemo-attractant protein-1 (MCP-1) were determined by specific enzyme linked immunosorbent assays (ELISAs) in culture supernatants of such treated cells. RESULTS Expression of NGAL protein was demonstrated by macrophages, smooth muscle cells, and endothelial cells in human carotid atherosclerotic tissue. NGAL mRNA expression was detected at a higher rate in atherosclerotic tissue of patients with symptomatic carotid stenosis (in 70%; n = 19) compared with asymptomatic patients (in 37%; n = 20, p < .001). Treatment of MDM, HCASMC, and HUVEC with rhNGAL led to a significant (p < 0.05) and concentration dependent increase of pro-inflammatory cytokines IL-6, IL-8, and MCP-1 in all cell types analyzed. CONCLUSION By induction of pro-inflammatory mediators in human macrophages, smooth muscle cells and endothelial cells, NGAL, which is predominantly expressed in atherosclerotic plaques of symptomatic patients, could be involved in creating the local and systemic pro-inflammatory environment characteristic for atherosclerosis.
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Affiliation(s)
- W Eilenberg
- Department of Surgery, Division of Vascular Surgery, Medical University of Vienna, Austria
| | - S Stojkovic
- Department of Internal Medicine II, Division of Cardiology, Medical University of Vienna, Austria
| | - A Piechota-Polanczyk
- Department of Surgery, Division of Vascular Surgery, Medical University of Vienna, Austria
| | - C Kaun
- Department of Internal Medicine II, Division of Cardiology, Medical University of Vienna, Austria
| | - S Rauscher
- Core Facilities, Medical University of Vienna, Austria
| | - M Gröger
- Core Facilities, Medical University of Vienna, Austria
| | - M Klinger
- Department of Surgery, Division of Vascular Surgery, Medical University of Vienna, Austria
| | - J Wojta
- Department of Internal Medicine II, Division of Cardiology, Medical University of Vienna, Austria; Core Facilities, Medical University of Vienna, Austria
| | - C Neumayer
- Department of Surgery, Division of Vascular Surgery, Medical University of Vienna, Austria
| | - I Huk
- Department of Surgery, Division of Vascular Surgery, Medical University of Vienna, Austria
| | - S Demyanets
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria.
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Tang XJ, Yang MH, Cao G, Lu JT, Luo J, Dai LJ, Huang KM, Zhang LI. Protective effect of microRNA-138 against cerebral ischemia/reperfusion injury in rats. Exp Ther Med 2016; 11:1045-1050. [PMID: 26998035 DOI: 10.3892/etm.2016.3021] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Accepted: 10/30/2015] [Indexed: 12/12/2022] Open
Abstract
MicroRNAs (miRs) serve a regulatory function in oxidative radical-mediated inflammation and apoptosis during ischemia/reperfusion (IR) injury. Lipocalin 2 (Lcn-2), a target protein of miR-138, is widely involved in the systemic response to IR injury. The aim of the present study was to investigate the association between miR-138 and Lcn-2 in a rat model of cerebral ischemia/reperfusion (CIR) injury and to verify the interaction between miR-138 and Lcn-2 in a PC12 cell model of hypoxia/reoxygenation injury. Reverse transcription-quantitative polymerase chain reaction and western blot analysis were used to detect the mRNA and protein expression levels of miR-138 and Lcn-2. Cell proliferation was determined by MTT assay. The results suggested that the expression of miR-138 was inversely correlated with the expression of Lcn-2 in the CIR rat model and the PC12 cells subjected to hypoxia and reoxygenation. The expression of Lcn-2 was inhibited by miR-138 mimics and enhanced by miR-138 inhibitors, thereby indicating that miR-138 functions as a negative regulator for Lcn-2 expression. This study provides an experimental basis for the further study of miR-138-based therapy for CIR injury.
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Affiliation(s)
- Xiang-Jun Tang
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Ming-Huan Yang
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Gang Cao
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Jun-Ti Lu
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Jie Luo
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - Long-Jun Dai
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China; Department of Surgery, University of British Columbia, Vancouver, BC V5Z 1L8, Canada
| | - Kuan-Ming Huang
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
| | - L I Zhang
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, P.R. China
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Zhai T, Sun Y, Li H, Zhang J, Huo R, Li H, Shen B, Li N. Unique immunomodulatory effect of paeoniflorin on type I and II macrophages activities. J Pharmacol Sci 2016; 130:143-50. [PMID: 26852260 DOI: 10.1016/j.jphs.2015.12.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 12/19/2015] [Accepted: 12/25/2015] [Indexed: 10/22/2022] Open
Abstract
It has been widely accepted that macrophages are divided into M1 "pro-inflammatory" macrophages and M2 "anti-inflammatory" macrophages and an uncontrolled macrophage polarization plays an important role in the pathogenesis of different diseases. As the main substance of total glucosides of peony, paeoniflorin (PF), has been widely used to treat autoimmune and autoinflammatory diseases for years. Mechanistically, PF has been found to alter activities of many immune cells, which could further reduce inflammation and tissue damage. However, whether and how PF affects macrophages activities in vitro remains unknown. In current study, using M1 and M2 cells generated from mouse bone marrow precursors, we explored the role of PF in regulating M1/M2 cells activity in vitro. The results showed that PF inhibited LPS-induced M1 activity by reducing iNOS expression and NO production via decreasing LPS/NF-κB signaling pathway; whereas, PF enhanced IL-4-provoked M2 function by up-regulating Arg-1 production and activity via increasing IL-4/STAT6 signaling pathway. Our new finding indicates that PF can suppress M1 cells activity and enhance M2 cells function simultaneously, which could help to ameliorate autoimmune and autoinflammatory diseases in clinical treatment.
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Affiliation(s)
- Tianhang Zhai
- Shanghai Institute of Immunology & Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yue Sun
- Shanghai Institute of Immunology & Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Department of Rheumatology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, China
| | - Huidan Li
- Shanghai Institute of Immunology & Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jie Zhang
- Shanghai Institute of Immunology & Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rongfen Huo
- Shanghai Institute of Immunology & Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Haichuan Li
- Shanghai Institute of Immunology & Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Maternity and Child Health Hospital, Changning, Shanghai, China
| | - Baihua Shen
- Shanghai Institute of Immunology & Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ningli Li
- Shanghai Institute of Immunology & Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Zhou Z, Xu MJ, Gao B. Hepatocytes: a key cell type for innate immunity. Cell Mol Immunol 2015; 13:301-15. [PMID: 26685902 PMCID: PMC4856808 DOI: 10.1038/cmi.2015.97] [Citation(s) in RCA: 270] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Revised: 10/23/2015] [Accepted: 10/23/2015] [Indexed: 02/07/2023] Open
Abstract
Hepatocytes, the major parenchymal cells in the liver, play pivotal roles in metabolism, detoxification, and protein synthesis. Hepatocytes also activate innate immunity against invading microorganisms by secreting innate immunity proteins. These proteins include bactericidal proteins that directly kill bacteria, opsonins that assist in the phagocytosis of foreign bacteria, iron-sequestering proteins that block iron uptake by bacteria, several soluble factors that regulate lipopolysaccharide signaling, and the coagulation factor fibrinogen that activates innate immunity. In this review, we summarize the wide variety of innate immunity proteins produced by hepatocytes and discuss liver-enriched transcription factors (e.g. hepatocyte nuclear factors and CCAAT/enhancer-binding proteins), pro-inflammatory mediators (e.g. interleukin (IL)-6, IL-22, IL-1β and tumor necrosis factor-α), and downstream signaling pathways (e.g. signal transducer and activator of transcription factor 3 and nuclear factor-κB) that regulate the expression of these innate immunity proteins. We also briefly discuss the dysregulation of these innate immunity proteins in chronic liver disease, which may contribute to an increased susceptibility to bacterial infection in patients with cirrhosis.
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Affiliation(s)
- Zhou Zhou
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism National Institutes of Health, Bethesda, MD, USA
| | - Ming-Jiang Xu
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism National Institutes of Health, Bethesda, MD, USA
| | - Bin Gao
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism National Institutes of Health, Bethesda, MD, USA
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Iron metabolism and regulation by neutrophil gelatinase-associated lipocalin in cardiomyopathy. Clin Sci (Lond) 2015; 129:851-62. [PMID: 26318828 DOI: 10.1042/cs20150075] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Neutrophil gelatinase-associated lipocalin (NGAL) has recently become established as an important contributor to the pathophysiology of cardiovascular disease. Accordingly, it is now viewed as an attractive candidate as a biomarker for various disease states, and in particular has recently become regarded as one of the best diagnostic biomarkers available for acute kidney injury. Nevertheless, the precise physiological effects of NGAL on the heart and the significance of their alterations during the development of heart failure are only now beginning to be characterized. Furthermore, the mechanisms via which NGAL mediates its effects are unclear because there is no conventional receptor signalling pathway. Instead, previous work suggests that regulation of iron metabolism could represent an important mechanism of NGAL action, with wide-ranging consequences spanning metabolic and cardiovascular diseases to host defence against bacterial infection. In the present review, we summarize rapidly emerging evidence for the role of NGAL in regulating heart failure. In particular, we focus on iron transport as a mechanism of NGAL action and discuss this in the context of the existing strong associations between iron overload and iron deficiency with cardiomyopathy.
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Abstract
PURPOSE OF REVIEW This review summarizes the phenotype and function of macrophages in the context of solid organ transplantation and will focus on fundamental insights into their paradoxical pro-inflammatory versus suppressive function. We will also discuss the therapeutic potential of regulatory macrophages in tolerance induction. RECENT FINDINGS Macrophages are emerging as an essential element of solid organ transplantation. Macrophages are involved in the pathogenesis of ischemia reperfusion injury, as well as both acute and chronic rejection, exacerbating injury through secretion of inflammatory effectors and by amplifying adaptive immune responses. Notably, not all responses associated with macrophages are deleterious to the graft, and graft protection can in fact be conferred by macrophages. This has been attributed to the presence of macrophages with tissue-repair capabilities, as well as the effects of regulatory macrophages. SUMMARY The explosion of new information on the role of macrophages in solid organ transplantation has opened up new avenues of research and the possibility of therapeutic intervention. However, the role of myeloid cells in graft rejection, resolution of rejection and tissue repair remains poorly understood. A better understanding of plasticity and regulation of monocyte polarization is vital for the development of new therapies for the treatment of acute and chronic transplant rejection.
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Naudé PJW, Mommersteeg PMC, Gouweleeuw L, Eisel ULM, Denollet J, Westerhuis LWJJM, Schoemaker RG. NGAL and other markers of inflammation as competitive or complementary markers for depressive symptom dimensions in heart failure. World J Biol Psychiatry 2015. [PMID: 26212793 DOI: 10.3109/15622975.2015.1062550] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Neutrophil gelatinase-associated lipocalin (NGAL) is an inflammatory marker associated with the pathophysiology of heart failure (HF), the psychopathology of depression and the co-existing symptoms of depression in HF patients. The aim of this study is to determine whether the association of serum NGAL levels with depressive symptoms dimensions in HF is independent of well-known inflammatory markers. METHODS Serum NGAL, high sensitive C-reactive protein (hsCRP), tumour necrosis factor-α (TNF-α), its two soluble receptors; sTNFR1, sTNFR2, Interleukin-6 (IL-6) and leukocytes were measured in 104 patients with HF at baseline and 12 months. Depressive symptoms were evaluated using the Beck Depression Inventory (BDI) at both timepoints. Correlations between NGAL and inflammatory markers and depressive symptoms dimensions were determined. The effect of hsCRP, IL-6, TNF-α, sTNFR1, sTNFR2 and leukocytes on the association of NGAL with depressive symptoms was determined and adjusted for time, demographics, cardiac disease severity, and kidney function. RESULTS NGAL levels were significantly correlated with hsCRP, TNF-α, sTNFR1, sTNFR2 and leukocytes. NGAL was significantly associated with somatic depressive symptoms, independent of abovementioned markers. CONCLUSIONS Serum NGAL is an independent inflammatory marker for somatic depressive symptoms in HF and may function as an immunopathogen linking somatic symptoms of depression to HF.
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Affiliation(s)
- Petrus J W Naudé
- a Department of Molecular Neurobiology , University of Groningen , Groningen , The Netherlands.,b Department of Neurology and Alzheimer Research Centre , University of Groningen, University Medical Centre Groningen , Groningen , The Netherlands
| | - Paula M C Mommersteeg
- c CoRPS, Center of Research on Psychology in Somatic diseases, Department of Medical and Clinical Psychology , Tilburg University , Tilburg , The Netherlands
| | - Leonie Gouweleeuw
- a Department of Molecular Neurobiology , University of Groningen , Groningen , The Netherlands
| | - Ulrich L M Eisel
- a Department of Molecular Neurobiology , University of Groningen , Groningen , The Netherlands.,d University Center of Psychiatry & Interdisciplinary Center of Psychopathology of Emotion Regulation, University of Groningen, University Medical Center Groningen , Groningen , The Netherlands
| | - Johan Denollet
- c CoRPS, Center of Research on Psychology in Somatic diseases, Department of Medical and Clinical Psychology , Tilburg University , Tilburg , The Netherlands
| | | | - Regien G Schoemaker
- a Department of Molecular Neurobiology , University of Groningen , Groningen , The Netherlands.,f Department of Cardiology , University of Groningen, University Medical Centre Groningen , Groningen , The Netherlands
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Oberoi R, Bogalle EP, Matthes LA, Schuett H, Koch AK, Grote K, Schieffer B, Schuett J, Luchtefeld M. Lipocalin (LCN) 2 Mediates Pro-Atherosclerotic Processes and Is Elevated in Patients with Coronary Artery Disease. PLoS One 2015; 10:e0137924. [PMID: 26367277 PMCID: PMC4569430 DOI: 10.1371/journal.pone.0137924] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 08/23/2015] [Indexed: 12/22/2022] Open
Abstract
Background Lipocalin (LCN) 2 is associated with multiple acute and chronic inflammatory diseases but the underlying molecular and cellular mechanisms remain unclear. Here, we investigated whether LCN2 is released from macrophages and contributes to pro-atherosclerotic processes and whether LCN2 plasma levels are associated with the severity of coronary artery disease progression in humans. Methods and Results In an autocrine-paracrine loop, tumor necrosis factor (TNF)-α promoted the release of LCN2 from murine bone-marrow derived macrophages (BMDM) and vice versa. Moreover, LCN2 stimulation of BMDM led to up-regulation of M1 macrophage markers. In addition, enhanced migration of monocytic J774A.1 cells towards LCN2 was observed. Furthermore, LCN2 increased the expression of the scavenger receptors Lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) as well as scavenger receptor class A-1 (SRA-1) and induced the conversion of macrophages to foam cells. In atherosclerotic lesions of low density lipoprotein receptor-deficient (ldlr−/−) mice fed a high fat, high cholesterol diet, LCN2 was found to be co-localized with macrophages in the shoulder region of the atherosclerotic plaque. In addition, LCN2 plasma levels were significantly increased in plasma samples of these mice. Finally, LCN2 plasma levels correlated with the severity of coronary artery disease (CAD) in patients as determined by coronary angiography. Conclusions Here we demonstrated that LCN2 plays a pivotal role in processes involved in atherogenesis by promoting polarization and migration of monocytic cells and development of macrophages towards foam cells. Moreover, LCN2 may be used as a prognostic marker to determine the status of CAD progression.
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Affiliation(s)
- Raghav Oberoi
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany
| | - Eskindir P Bogalle
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Lukas A Matthes
- Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Harald Schuett
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany
| | - Ann-Kathrin Koch
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany
| | - Karsten Grote
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany
| | - Bernhard Schieffer
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany
| | - Jutta Schuett
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany
| | - Maren Luchtefeld
- Department of Cardiology and Angiology, Philipps-University Marburg, Marburg, Germany
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