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Liu Y, Hao R, Lv J, Yuan J, Wang X, Xu C, Ma D, Duan Z, Zhang B, Dai L, Cheng Y, Lu W, Zhang X. Targeted knockdown of PGAM5 in synovial macrophages efficiently alleviates osteoarthritis. Bone Res 2024; 12:15. [PMID: 38433252 PMCID: PMC10909856 DOI: 10.1038/s41413-024-00318-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/02/2024] [Accepted: 01/19/2024] [Indexed: 03/05/2024] Open
Abstract
Osteoarthritis (OA) is a common degenerative disease worldwide and new therapeutics that target inflammation and the crosstalk between immunocytes and chondrocytes are being developed to prevent and treat OA. These attempts involve repolarizing pro-inflammatory M1 macrophages into the anti-inflammatory M2 phenotype in synovium. In this study, we found that phosphoglycerate mutase 5 (PGAM5) significantly increased in macrophages in OA synovium compared to controls based on histology of human samples and single-cell RNA sequencing results of mice models. To address the role of PGAM5 in macrophages in OA, we found conditional knockout of PGAM5 in macrophages greatly alleviated OA symptoms and promoted anabolic metabolism of chondrocytes in vitro and in vivo. Mechanistically, we found that PGAM5 enhanced M1 polarization via AKT-mTOR/p38/ERK pathways, whereas inhibited M2 polarization via STAT6-PPARγ pathway in murine bone marrow-derived macrophages. Furthermore, we found that PGAM5 directly dephosphorylated Dishevelled Segment Polarity Protein 2 (DVL2) which resulted in the inhibition of β-catenin and repolarization of M2 macrophages into M1 macrophages. Conditional knockout of both PGAM5 and β-catenin in macrophages significantly exacerbated osteoarthritis compared to PGAM5-deficient mice. Motivated by these findings, we successfully designed mannose modified fluoropolymers combined with siPGAM5 to inhibit PGAM5 specifically in synovial macrophages via intra-articular injection, which possessed desired targeting abilities of synovial macrophages and greatly attenuated murine osteoarthritis. Collectively, these findings defined a key role for PGAM5 in orchestrating macrophage polarization and provides insights into novel macrophage-targeted strategy for treating OA.
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Affiliation(s)
- Yuhang Liu
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai, 200092, China
- National Facility for Translational Medicine, Shanghai, 200240, China
| | - Ruihan Hao
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai, 200092, China
- National Facility for Translational Medicine, Shanghai, 200240, China
| | - Jia Lv
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Jie Yuan
- Department of Orthopaedic Surgery, The Second Hospital of Shanxi Medical University, Taiyuan, 030001, China
| | - Xuelei Wang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Churong Xu
- School of Medicine, Shanghai University, Shanghai, 200444, China
| | - Ding Ma
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai, 200092, China
- National Facility for Translational Medicine, Shanghai, 200240, China
| | - Zhouyi Duan
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai, 200092, China
- National Facility for Translational Medicine, Shanghai, 200240, China
| | - Bingjun Zhang
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai, 200092, China
- National Facility for Translational Medicine, Shanghai, 200240, China
| | - Liming Dai
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai, 200092, China
- National Facility for Translational Medicine, Shanghai, 200240, China
| | - Yiyun Cheng
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, 200241, China.
| | - Wei Lu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, 200031, China.
| | - Xiaoling Zhang
- Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai, 200092, China.
- National Facility for Translational Medicine, Shanghai, 200240, China.
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Zhao C, Luo Q, Huang J, Su S, Zhang L, Zheng D, Chen M, Lin X, Zhong J, Li L, Ling K, Zhang S. Extracellular Vesicles Derived from Human Adipose-Derived Mesenchymal Stem Cells Alleviate Sepsis-Induced Acute Lung Injury through a MicroRNA-150-5p-Dependent Mechanism. ACS Biomater Sci Eng 2024; 10:946-959. [PMID: 38154081 DOI: 10.1021/acsbiomaterials.3c00614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
Extracellular vesicles (EVs) derived from human adipose mesenchymal stem cells (hADSCs) may exert a therapeutic benefit in alleviating sepsis-induced organ dysfunction by delivering cargos that include RNAs and proteins to target cells. The current study aims to explore the protective effect of miR-150-5p delivered by hADSC-EVs on sepsis-induced acute lung injury (ALI). We noted low expression of miR-150-5p in plasma and bronchoalveolar lavage fluid samples from patients with sepsis-induced ALI. The hADSC-EVs were isolated and subsequently cocultured with macrophages. It was established that hADSC-EVs transferred miR-150-5p to macrophages, where miR-150-5p targeted HMGA2 to inhibit its expression and, consequently, inactivated the MAPK pathway. This effect contributed to the promotion of M2 polarization of macrophages and the inhibition of proinflammatory cytokines. Further, mice were made septic by cecal ligation and puncture in vivo and treated with hADSC-EVs to elucidate the effect of hADSC-EVs on sepsis-induced ALI. The in vivo experimental results confirmed a suppressive role of hADSC-EVs in sepsis-induced ALI. Our findings suggest that hADSC-EV-mediated transfer of miR-150-5p may be a novel mechanism underlying the paracrine effects of hADSC-EVs on the M2 polarization of macrophages in sepsis-induced ALI.
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Affiliation(s)
- Chengkuan Zhao
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, P.R. China
| | - Qianhua Luo
- Department of Pharmacology, Guangdong Second Provincial General Hospital, Guangzhou 510317, P.R. China
- Jinshazhou Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510168, P.R. China
| | - Jianxiang Huang
- College of Pharmacy, Jinan University, Guangzhou 510220, P.R. China
| | - Siman Su
- Department of Pharmacology, Shantou University Medical College, Shantou 515041, P.R. China
| | - Lijuan Zhang
- Department of Pharmacy, YueBei People's Hospital (YueBei People's Hospital affiliated to Shantou University Medical College), ShaoGuan 512000, P.R. China
| | - Danling Zheng
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, P.R. China
- Department of Pharmacology, Shantou University Medical College, Shantou 515041, P.R. China
| | - Meini Chen
- Department of Pharmacology, Shantou University Medical College, Shantou 515041, P.R. China
| | - Xinyue Lin
- Department of Pharmacology, Shantou University Medical College, Shantou 515041, P.R. China
| | - Jialin Zhong
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, P.R. China
| | - Li Li
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, P.R. China
| | - Kai Ling
- Department of Pharmacology, Shantou University Medical College, Shantou 515041, P.R. China
| | - Shuyao Zhang
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, P.R. China
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Ke K, Wu Z, Lin J, Lin L, Huang N, Yang W. Increased Expression of CD74 in Atherosclerosis Associated with Inflammatory Responses of Endothelial Cells and Macrophages. Biochem Genet 2024; 62:294-310. [PMID: 37335371 DOI: 10.1007/s10528-023-10421-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 06/07/2023] [Indexed: 06/21/2023]
Abstract
To clarify the relationship between CD74 and atherosclerosis (AS) and the mechanisms in oxidized LDL (ox-LDL)-induced endothelial cell and macrophage injury. Datasets obtained from the Gene Expression Omnibus database are integrated. Differentially expressed genes (DEGs) were obtained using R software. Weighted gene co-expression network analysis (WGCNA) was performed to screen the target genes. The endothelial cell injury model and macrophage foaming model were established using ox-LDL, and CD74 expression was detected by Quantitative reverse transcription PCR (RT-qPCR) and Western blot (WB). Then, after silencing CD74, cell viability and ROS production were measured, and WB detected the expression of p-p38 MAPK and NF-κB. There were 268 DEGs associated with AS, of which CD74 was up-regulated. The turquoise module containing CD74 in WGCNA was positively associated with AS. Cell viability was significantly decreased in the endothelial cell injury and macrophage foaming models, while CD74, ROS production, NF-κB, and p-p38MAPK expression increased (P < 0.05). After silencing CD74, ROS production, NF-κB, and p-p38MAPK expression were decreased and cell viability was higher than the model group (P < 0.05). CD74 is up-regulated in endothelial cell injury and macrophage foaming models and is involved in AS progression via the NF-κB and MAPK signaling pathways.
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Affiliation(s)
- Kun Ke
- Department of Interventional Radiology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Zhengzhong Wu
- Department of Interventional Radiology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Junqing Lin
- Department of Interventional Radiology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Longwang Lin
- Department of Interventional Radiology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Ning Huang
- Department of Interventional Radiology, Fujian Medical University Union Hospital, Fuzhou, China.
| | - Weizhu Yang
- Department of Interventional Radiology, Fujian Medical University Union Hospital, Fuzhou, China.
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Xiao Y, Huang X, Xia Y, Ding M, Li A, Yang B, She Q. Role of dysregulated macrophage subpopulation ratios and functional changes in the development of coronary atherosclerosis. J Gene Med 2024; 26:e3626. [PMID: 37974510 DOI: 10.1002/jgm.3626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 08/23/2023] [Accepted: 10/16/2023] [Indexed: 11/19/2023] Open
Abstract
Coronary heart disease is one of the most significant risk factors affecting human health worldwide. Its pathogenesis is intricate, with atherosclerosis being widely regarded as the leading cause. Aberrant lipid metabolism in macrophages is recognized as one of the triggering factors in atherosclerosis development. To investigate the role of macrophages in the formation of coronary artery atherosclerosis, we utilized single-cell data from wild-type mice obtained from the aortic roots and ascending aortas after long-term high-fat diet feeding, as deposited in GSE131776. Seurat software was employed to refine the single-cell data in terms of scale and cell types, facilitating the identification of differentially expressed genes. Through the application of differential expression genes, we conducted Gene Ontology and Kyoto Encyclopedia of Genes and Genomes functional enrichment analyses at 0, 8 and 16 weeks, aiming to uncover pathways with the most pronounced functional alterations as the high-fat diet progressed. The AddModuleScore function was employed to score the expression of these pathways across different cell types. Subsequently, macrophages were isolated and further subdivided into subtypes, followed by an investigation into intercellular communication within these subtypes. Subsequent to this, we induced THP-1 cells to generate foam cells, validating critical genes identified in prior studies. The results revealed that macrophages underwent the most substantial functional changes as the high-fat diet progressed. Furthermore, two clusters were identified as potentially playing pivotal roles in macrophage functional regulation during high-fat diet progression. Additionally, macrophage subtypes displayed intricate functionalities, with mutual functional counterbalances observed among these subtypes. The proportions of macrophage subtypes and the modulation of anti-inflammatory and pro-inflammatory functions played significant roles in the development of coronary artery atherosclerosis.
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Affiliation(s)
- Yingjie Xiao
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, China
| | - Xin Huang
- The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Yijun Xia
- Department of Plastic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Minjun Ding
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, China
| | - Anqi Li
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, China
| | - Bo Yang
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, China
| | - Qian She
- Department of Cardiovascular Surgery, Second Affiliated Hospital of Zhejiang University, Hangzhou, China
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Shao Q, Jiang C, Zhang Q, Liu J, Jin B, Zhao M, Xia Y. Knockdown of AK142426 suppresses M2 macrophage polarization and inflammation in peritoneal fibrosis via binding to c-Jun. J Gene Med 2023; 25:e3524. [PMID: 37194352 DOI: 10.1002/jgm.3524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 02/15/2023] [Accepted: 04/19/2023] [Indexed: 05/18/2023] Open
Abstract
BACKGROUND Peritoneal fibrosis is a common complication of peritoneal dialysis, which may lead to ultrafiltration failure and ultimately treatment discontinuation. LncRNAs participate in many biological processes during tumorigenesis. We investigated the role of AK142426 in peritoneal fibrosis. METHODS The AK142426 level in peritoneal dialysis (PD) fluid was detected by quantitative real-time-PCR assay. The M2 macrophage distribution was determined by flow cytometry. The inflammatory cytokines of TNF-α and TGF-β1 were measured by ELISA assay. The direct interaction between AK142426 and c-Jun was evaluated by RNA pull-down assay. In addition, the c-Jun and fibrosis related proteins were assessed by western blot analysis. RESULTS The PD-induced peritoneal fibrosis mouse model was successfully established. More importantly, PD treatment induced M2 macrophage polarization and the inflammation in PD fluid, which might be associated with exosome transmission. Fortunately, AK142426 was observed to be upregulated in PD fluid. Mechanically, knockdown of AK142426 suppressed M2 macrophage polarization and inflammation. Furthermore, AK142426 could upregulate c-Jun through binding c-Jun protein. In rescue experiments, overexpression of c-Jun could partially abolish the inhibitory effect of sh-AK142426 on the activation of M2 macrophages and inflammation. Consistently, knockdown of AK142426 alleviated peritoneal fibrosis in vivo. CONCLUSIONS This study demonstrated that knockdown of AK142426 suppressed M2 macrophage polarization and inflammation in peritoneal fibrosis via binding to c-Jun, suggesting that AK142426 might be a promising therapeutic target for patients of peritoneal fibrosis.
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Affiliation(s)
- Qiuyuan Shao
- Department of Nephrology, Nanjing Drum Tower Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Chunming Jiang
- Department of Nephrology, Nanjing Drum Tower Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Qingyan Zhang
- Department of Nephrology, Nanjing Drum Tower Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Jing Liu
- Department of Nephrology, Nanjing Drum Tower Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Bo Jin
- Department of Nephrology, Nanjing Drum Tower Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Min Zhao
- Department of Nephrology, Nanjing Drum Tower Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Yangyang Xia
- Department of Nephrology, Nanjing Drum Tower Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
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Ahamed F, Eppler N, Jones E, He L, Zhang Y. Small Heterodimer Partner Modulates Macrophage Differentiation during Innate Immune Response through the Regulation of Peroxisome Proliferator Activated Receptor Gamma, Mitogen-Activated Protein Kinase, and Nuclear Factor Kappa B Pathways. Biomedicines 2023; 11:2403. [PMID: 37760844 PMCID: PMC10525324 DOI: 10.3390/biomedicines11092403] [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: 07/25/2023] [Revised: 08/19/2023] [Accepted: 08/25/2023] [Indexed: 09/29/2023] Open
Abstract
Hepatic macrophages act as the liver's first line of defense against injury. Their differentiation into proinflammatory or anti-inflammatory subpopulations is a critical event that maintains a delicate balance between liver injury and repair. In our investigation, we explored the influence of the small heterodimer partner (SHP), a nuclear receptor primarily associated with metabolism, on macrophage differentiation during the innate immune response. During macrophage differentiation, we observed significant alterations in Shp mRNA expression. Deletion of Shp promoted M1 differentiation while interfering with M2 polarization. Conversely, overexpression of SHP resulted in increased expression of peroxisome proliferator activated receptor gamma (Pparg), a master regulator of anti-inflammatory macrophage differentiation, thereby inhibiting M1 differentiation. Upon lipopolysaccharide (LPS) injection, there was a notable increase in the proinflammatory M1-like macrophages, accompanied by exacerbated infiltration of monocyte-derived macrophages (MDMs) into the livers of Shp myeloid cell specific knockout (Shp-MKO). Concurrently, we observed significant induction of tumor necrosis factor alpha (Tnfa) and chemokine (C-C motif) ligand 2 (Ccl2) expression in LPS-treated Shp-MKO livers. Additionally, the mitogen-activated protein kinase (MAPK) and nuclear factor kappa B (NF-κB) pathways were activated in LPS-treated Shp-MKO livers. Consistently, both pathways were hindered in SHP overexpression macrophages. Finally, we demonstrated that SHP interacts with p65, thereby influencing macrophage immune repones. In summary, our study uncovered a previously unrecognized role of SHP in promoting anti-inflammatory macrophage differentiation during the innate immune response. This was achieved by SHP acting as a regulator for the Pparg, MAPK, and NF-κB pathways.
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Affiliation(s)
| | | | | | | | - Yuxia Zhang
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, MS 1018, 3901 Rainbow Boulevard, Kansas City, KS 66160, USA; (F.A.); (N.E.); (E.J.); (L.H.)
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Luo J, He Z, Li Q, Lv M, Cai Y, Ke W, Niu X, Zhang Z. Adipokines in atherosclerosis: unraveling complex roles. Front Cardiovasc Med 2023; 10:1235953. [PMID: 37645520 PMCID: PMC10461402 DOI: 10.3389/fcvm.2023.1235953] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 08/02/2023] [Indexed: 08/31/2023] Open
Abstract
Adipokines are biologically active factors secreted by adipose tissue that act on local and distant tissues through autocrine, paracrine, and endocrine mechanisms. However, adipokines are believed to be involved in an increased risk of atherosclerosis. Classical adipokines include leptin, adiponectin, and ceramide, while newly identified adipokines include visceral adipose tissue-derived serpin, omentin, and asprosin. New evidence suggests that adipokines can play an essential role in atherosclerosis progression and regression. Here, we summarize the complex roles of various adipokines in atherosclerosis lesions. Representative protective adipokines include adiponectin and neuregulin 4; deteriorating adipokines include leptin, resistin, thrombospondin-1, and C1q/tumor necrosis factor-related protein 5; and adipokines with dual protective and deteriorating effects include C1q/tumor necrosis factor-related protein 1 and C1q/tumor necrosis factor-related protein 3; and adipose tissue-derived bioactive materials include sphingosine-1-phosphate, ceramide, and adipose tissue-derived exosomes. However, the role of a newly discovered adipokine, asprosin, in atherosclerosis remains unclear. This article reviews progress in the research on the effects of adipokines in atherosclerosis and how they may be regulated to halt its progression.
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Affiliation(s)
- Jiaying Luo
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhiwei He
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qingwen Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Mengna Lv
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuli Cai
- Department of Endocrinology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei Ke
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xuan Niu
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhaohui Zhang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
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Wang Y, Wan R, Hu C. Leptin/obR signaling exacerbates obesity-related neutrophilic airway inflammation through inflammatory M1 macrophages. Mol Med 2023; 29:100. [PMID: 37488474 PMCID: PMC10367413 DOI: 10.1186/s10020-023-00702-w] [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: 02/27/2023] [Accepted: 07/18/2023] [Indexed: 07/26/2023] Open
Abstract
BACKGROUND Obesity-related asthma is a kind of nonallergic asthma with excessive neutrophil infiltration in the airways. However, the underlying mechanisms have been poorly elucidated. Among the adipokines related to obesity, leptin is related to the inflammatory response. However, little is understood about how leptin acts on the leptin receptor (obR) in neutrophilic airway inflammation in obesity-associated asthma. We explored the inflammatory effects of leptin/obR signaling in an obesity-related neutrophilic airway inflammation mouse model. METHODS We established a neutrophilic airway inflammation mouse model using lipopolysaccharide (LPS)/ovalbumin (OVA) sensitization and OVA challenge (LPS + OVA/OVA) in lean, obese, or db/db (obR deficiency) female mice. Histopathological, bronchoalveolar lavage fluid (BALF) inflammatory cell, and lung inflammatory cytokine analyses were used to analyze airway inflammation severity. Western blotting, flow cytometry, reverse transcription-polymerase chain reaction (RT-PCR), and enzyme-linked immunosorbent assay (ELISA) were used to evaluate the underlying mechanisms. In vitro bone marrow-derived macrophage (BMDM) and bone marrow-derived neutrophil experiments were performed. RESULTS We found that the serum leptin level was higher in obese than in lean female mice. Compared to LPS/OVA + OVA-treated lean female mice, LPS/OVA + OVA-treated obese female mice had higher peribronchial inflammation levels, neutrophil counts, Th1/Th17-related inflammatory cytokine levels, M1 macrophage polarization levels, and long isoform obR activation, which could be decreased by the obR blockade (Allo-Aca) or obR deficiency, suggesting a critical role of leptin/obR signaling in the pathogenesis of obesity-related neutrophilic airway inflammation in female mice. In in vitro experiments, leptin synergized with LPS/IFN-γ to promote the phosphorylation of the long isoform obR and JNK/STAT3/AKT signaling pathway members to increase M1 macrophage polarization, which was reversed by Allo-Aca. Moreover, leptin/obR-mediated M1 macrophage activity significantly elevated CXCL2 production and neutrophil recruitment by regulating the JNK/STAT3/AKT pathways. In clinical studies, obese patients with asthma had higher serum leptin levels and M1 macrophage polarization levels in induced sputum than non-obese patients with asthma. Serum leptin levels were positively correlated with M1 macrophage polarization levels in patients with asthma. CONCLUSIONS Our results demonstrate leptin/obR signaling plays an important role in the pathogenesis of obesity-related neutrophilic airway inflammation in females by promoting M1 macrophage polarization.
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Affiliation(s)
- Yang Wang
- Department of Respiratory Medicine (Department of Respiratory and Critical Care Medicine), Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- Department of Geriatrics, The Second Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Rongjun Wan
- Department of Respiratory Medicine (Department of Respiratory and Critical Care Medicine), Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
| | - Chengping Hu
- Department of Respiratory Medicine (Department of Respiratory and Critical Care Medicine), Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China.
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Jiang Y, Chai X, Chen S, Chen Z, Tian H, Liu M, Wu X. Exosomes from the Uterine Cavity Mediate Immune Dysregulation via Inhibiting the JNK Signal Pathway in Endometriosis. Biomedicines 2022; 10:biomedicines10123110. [PMID: 36551866 PMCID: PMC9775046 DOI: 10.3390/biomedicines10123110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/21/2022] [Accepted: 11/28/2022] [Indexed: 12/04/2022] Open
Abstract
Endometriosis is a chronic inflammatory disease with an uncertain pathogenesis. Peritoneal immune dysregulation plays an important role in the pathogenesis of endometriosis. Exosomes are messengers of intercellular communication. This study mainly investigated the role of exosomes from the uterine cavity in endometriosis. Exosomes of the uterine aspirate fluid were isolated and cocultured with macrophages for 48 h. Flow cytometry was used to detect macrophage polarization. A Human MAPK Phosphorylation Antibody Array and Western blot were used to detect the phosphorylation of the MAPK pathway. A microRNA sequencing analysis was used to detect differentially expressed miRNAs. Our research found that exosomes of the uterine aspirate fluid from endometriosis could reduce the proportion of CD80+ macrophages. Additionally, it could inhibit the expression of P-JNK in macrophages. However, the JNK activator anisomycin could increase the proportion of CD80+ macrophages. In addition, exosomes of the uterine aspirate fluid from endometriosis could promote the migration and invasion of endometrial stromal cells by acting on macrophages. The expression of miR-210-3p was increased in both exosomes and the eutopic endometrium in patients with endometriosis through miRNA sequencing, which could also reduce the proportion of CD80+ macrophages. In summary, we propose that exosomes from the uterine cavity in patients with endometriosis may affect the phenotype of macrophages by inhibiting the JNK signaling pathway, thus mediating the formation of an immunological microenvironment conducive to the development of endometriosis.
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Xie Y, Chen H, Qu P, Qiao X, Guo L, Liu L. Novel insight on the role of Macrophages in atherosclerosis: Focus on polarization, apoptosis and efferocytosis. Int Immunopharmacol 2022; 113:109260. [DOI: 10.1016/j.intimp.2022.109260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/04/2022] [Accepted: 09/13/2022] [Indexed: 11/05/2022]
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Han Y, Yan L, Xia L, Li S, Zhang Q, jin C. Global trends and Frontier topics about vascular smooth muscle cells phenotype switch: A bibliometric analysis from 1999 to 2021. Front Pharmacol 2022; 13:1004525. [PMID: 36452231 PMCID: PMC9702355 DOI: 10.3389/fphar.2022.1004525] [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: 07/27/2022] [Accepted: 11/02/2022] [Indexed: 03/31/2024] Open
Abstract
Objective: Vascular smooth muscle cell phenotype switch (VSMCPS) plays a significant role in vascular remodeling. This study aimed to conduct a bibliometric analysis and visualize the knowledge map of research on VSMCPS. Methods: We retrieved publications focusing on VSMCPS from the Web of Science Core Collection database (SCI-EXPANDED) from 1999 to 2021. Using bibliometric tools, VOSviewer and CiteSpace, we identified the most productive researchers, journals, institutions, and countries. At the same time, the trends, hot topics, and knowledge networks were analyzed and visualized. Results: A total of 2213 publications were included in this analysis. The number of annual publications in the VSMCPS field exhibited an upward trend and could be roughly divided into three phases. Until 2006, the most prolific authors were from the United States. As of 2008, the number of articles published in China increased dramatically to reach 126 papers in 2020. As of 2014, China was the most productive country in this field. The United States ranked first in the number of highly-influential authors, institutions, and literature from 1999 to 2022. Owens GK, Hata, Akiko, and Wen, jin-kun were the most prolific authors. Arteriosclerosis Thrombosis and Vascular Biology, Circulation Research, and Cardiovascular Research were the top-ranked journals in this field. "Vascular remodeling," "atherosclerosis," "neointima," "hypertension", and "inflammation" were the main researched topics. New diseases, new mechanisms, and new phenotype (e.g., micro RNA, macrophage-like-cell, hypoxia, autophagy, long noncoding RNA, oxidative stress, endoplasmic reticulum stress, senescence, aging, abdominal aortic aneurysm, and aortic dissection) represent the trending topics in recent years. Conclusion: This study systematically analyzed and visualized the knowledge map of VSMCPS over the past 2 decades. Our findings provide a comprehensive overview for scholars who want to understand current trends and new research frontiers in this area.
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Affiliation(s)
- Ying Han
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Langchao Yan
- Mini-invasive Neurosurgery and Translational Medical Center, Xi’an Central Hospital, Xi’an Jiaotong University, Xi’an, China
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Lu Xia
- Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, China
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Shifu Li
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- Hypothalamic-Pituitary Research Center, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Qian Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- Hypothalamic-Pituitary Research Center, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Chen jin
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- Hypothalamic-Pituitary Research Center, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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12
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Li C, Lu C, Gong L, Liu J, Kan C, Zheng H, Wang S. SHP2/SPI1axis promotes glycolysis and the inflammatory response of macrophages in Helicobacter pylori-induced pediatric gastritis. Helicobacter 2022; 27:e12895. [PMID: 35437862 DOI: 10.1111/hel.12895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 02/14/2022] [Accepted: 03/20/2022] [Indexed: 12/09/2022]
Abstract
BACKGROUND Macrophages, as innate immune cells, were reported to participate in the pathogenesis of Helicobacter pylori (H. pylori)-induced gastritis. However, the role and mechanism of macrophage dysfunction in H. pylori-associated pediatric gastritis remain unclear. MATERIALS AND METHODS An RNA-sequencing assay was used to examine the differential gene expression in normal gastric antrum, non-H. pylori-infected tissue, and H. pylori-infected pediatric gastritis tissue. qPCR assays were applied to verify the expression of target genes. HE staining was performed to identify the occurrence of inflammation in the normal gastric antrum, non-H. pylori-infected tissue, and H. pylori-infected pediatric gastritis tissue. Western blotting was used to measure the expression of SHP2 in pediatric gastritis tissue. The metabolic profile of macrophages was determined via Seahorse metabolic analysis. Flow cytometry analysis was used to examine the level of reactive oxygen species (ROS). RESULTS We found that H. pylori -infected gastritis tissue exhibited many differentially expressed genes (DEGs) compared to gastritis tissue without H. pylori infection. Moreover, H. pylori -infected gastritis tissue showed many DEGs annotated with an overactive immune response. We identified that tyrosine-protein phosphatase nonreceptor type 11 (PTPN11), which encodes SHP2, was significantly increased in macrophages of H. pylori -infected gastritis tissue. Furthermore, we revealed that SHP2 could activate the glycolytic function of macrophages to promote H. pylori -induced inflammation. The transcription factor SPI1 , as the downstream molecule of SHP2, could be responsible for the regulation of metabolism-associated gene expression and inflammation. CONCLUSION Our study illustrated the molecular landscape of H. pylori-infected gastritis tissue in children and suggested that the SHP2/SPI1axis could be a novel therapeutic target in H. pylori-induced pediatric gastritis.
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Affiliation(s)
- Chuanying Li
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China.,Department of Gastroenterology, Children's Hospital of Anhui Medical University, Hefei, China
| | - Changyun Lu
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Liangju Gong
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Jia Liu
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Chen Kan
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Hong Zheng
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Siying Wang
- Department of Pathophysiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
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13
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Guan H, Wang Y, Li X, Xiang A, Guo F, Fan J, Yu Q. C1q/Tumor Necrosis Factor-Related Protein 9: Basics and Therapeutic Potentials. Front Physiol 2022; 13:816218. [PMID: 35370782 PMCID: PMC8971810 DOI: 10.3389/fphys.2022.816218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 02/23/2022] [Indexed: 01/19/2023] Open
Abstract
C1q/tumor necrosis factor-related protein 9 (CTRP9) is a newly discovered adipokine that is the closest paralog of adiponectin. Proteolytic cleavage of CTRP9 leads to the release of the globular domain (gCTRP9), which serves as the major circulating subtype. After binding with adiponectin receptor 1 (AdipoR1) and N-cadherin, CTRP9 activates various signaling pathways to regulate glucose and lipid metabolism, vasodilation and cell differentiation. Throughout human development and adult life, CTRP9 controls many biological phenomena. simultaneously, abnormal gene or protein expression of CTRP9 is accompanied by a wide range of human pathological phenomena. In this review, we briefly introduce CTRP9 and its associated signaling pathways and physiological functions, which may be helpful in the understanding of the occurrence of diseases. Moreover, we summarize the broader research prospects of CTRP9 and advances in therapeutic intervention. In recent years, CTRP9 has attracted extensive attention due to its role in the pathogenesis of various diseases, providing further avenues for its exploitation as a potential biomarker or therapeutic target.
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Affiliation(s)
- Hua Guan
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
| | - Yanli Wang
- Department of Pathology, Xi’an Medical University, Xi’an, China
| | - Xiangyu Li
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
| | - Aoqi Xiang
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
| | - Fengwei Guo
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Jianglin Fan
- Department of Pathology, Xi’an Medical University, Xi’an, China
- Department of Molecular Pathology, Faculty of Medicine, Interdisciplinary Graduate School of Medical Sciences, University of Yamanashi, Chuo, Japan
- *Correspondence: Jianglin Fan,
| | - Qi Yu
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
- Qi Yu,
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14
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Xu D, Zhou X, Chen J, Li N, Ruan S, Zuo A, Lei S, Li L, Guo Y. C1q/tumour necrosis factor-related protein-9 aggravates lipopolysaccharide-induced inflammation via promoting NLRP3 inflammasome activation. Int Immunopharmacol 2022; 104:108513. [PMID: 35008006 DOI: 10.1016/j.intimp.2021.108513] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/21/2021] [Accepted: 12/30/2021] [Indexed: 02/07/2023]
Abstract
The NLRP3 inflammasome plays a vital role in inflammation by increasing the maturation of interleukin-1β (IL-1β) and promoting pyroptosis. Given that C1q/tumour necrosis factor-related protein-9 (CTRP9) has been shown to be involved in diverse inflammatory diseases, we sought to assess the underlying impact of CTRP9 on NLRP3 inflammasome activation. In vitro, macrophages isolated from murine peritonea were stimulated with exogenous CTRP9, followed by lipopolysaccharide (LPS) and adenosine 5'-triphosphate (ATP). We demonstrated that CTRP9 markedly augmented the activation of the NLRP3 inflammasome, as shown by increased mature IL-1β secretion, triggering ASC speck formation and promoting pyroptosis. Mechanistically, CTRP9 increased the levels of NADPH oxidase 2 (NOX2)-derived reactive oxygen species (ROS). Suppressing ROS with N-acetylcysteine (NAC) or interfering with NOX2 by small interfering RNA weakened the promoting effect of CTRP9 on the NLRP3 inflammasome. Furthermore, NLRP3 inflammasome activation, pyroptosis and secretion of mature IL-1β were significantly decreased in macrophages from CTRP9-KO mice compared to those from WT mice with the same treatment. In vivo, we established a sepsis model by intraperitoneal injection of LPS into WT and CTRP9-KO mice. CTRP9 knockout improved the survival rates of the septic mice and attenuated NLRP3 inflammasome-mediated inflammation. In conclusion, our study indicates that CTRP9 aggravates LPS-induced inflammation by promoting NLRP3 inflammasome activation via the NOX2/ROS pathway. CTRP9 could be a promising target for NLRP3 inflammasome-driven inflammatory diseases.
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Affiliation(s)
- Dan Xu
- Department of General Practice, Qilu Hospital, Cheeloo college of medicine, Shandong University, Jinan, Shandong, 250012, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, China
| | - Xin Zhou
- Department of Critical Care Medicine, The First Affiliated Hospital of Shandong First Medical University&Shandong Provincial Qianfoshan Hospital, Shandong medicine and Health Key Laboratory of Emergency Medicine, Shandong Institute of Anesthesia and Respiratory Critical Medicine
| | - Jiying Chen
- Department of General Practice, Qilu Hospital, Cheeloo college of medicine, Shandong University, Jinan, Shandong, 250012, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, China
| | - Na Li
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, China
| | - Shiyan Ruan
- Department of General Practice, Qilu Hospital, Cheeloo college of medicine, Shandong University, Jinan, Shandong, 250012, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, China
| | - Anju Zuo
- Department of General Practice, Qilu Hospital, Cheeloo college of medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Shengyun Lei
- Department of General Practice, Qilu Hospital, Cheeloo college of medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Linxi Li
- Department of General Practice, Qilu Hospital, Cheeloo college of medicine, Shandong University, Jinan, Shandong, 250012, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, Shandong, China
| | - Yuan Guo
- Department of General Practice, Qilu Hospital, Cheeloo college of medicine, Shandong University, Jinan, Shandong, 250012, China.
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Down-regulation of MST1 in hippocampus protects against stress-induced depression-like behaviours and synaptic plasticity impairments. Brain Behav Immun 2021; 94:196-209. [PMID: 33607238 DOI: 10.1016/j.bbi.2021.02.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 01/26/2021] [Accepted: 02/05/2021] [Indexed: 12/15/2022] Open
Abstract
Depression is a common mental disorder, and its main environmental risk factor is chronic stress. The activation of mammalian STE20-like kinase 1 (MST1), a key factor involved in the underlying pathophysiology of stress, can trigger synaptic plasticity impairment, neuronal dysfunction and neuroinflammation. However, it is unclear whether down-regulation of MST1 in the hippocampus protects against stress-induced behavioural dysfunctions. In this study, three mouse models were used to assess the role of MST1 in stress. Various behavioural tests, in vivo electrophysiological recordings, Western blotting, Golgi staining and immunofluorescence assay were used. The data showed that the level of phospho-MST1 (T183) was significantly increased in the hippocampus of mice subjected to chronic unpredictable mild stress (CUMS) and that mice with MST1 overexpression showed depression-like behaviours. Importantly, the impairment of cognitive functions and the hippocampal synaptic plasticity induced by CUMS were significantly improved by MST1 knockdown, suggesting that MST1 down-regulation effectively protected against stress-induced behavioural dysfunctions. Moreover, MST1 knockdown suppressed CUMS-induced microglial activation, reduced the abnormal expression of inflammatory cytokines and impeded the activation of p38, implying that the antidepressant-like effects of MST1 knockdown were associated with inhibiting the p38 pathway. These findings suggest that hippocampal MST1 is an essential regulator of stress, which can be an ideal target for the development of antidepressants in the future.
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