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Liu X, Dong M, Li T, Wang J. Correlation of circulating fibroblast growth factor 21 levels with inflammatory factors and the degree of coronary artery stenosis in patients with acute myocardial infarction. Cytokine 2024; 178:156591. [PMID: 38554500 DOI: 10.1016/j.cyto.2024.156591] [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: 11/10/2023] [Revised: 03/23/2024] [Accepted: 03/26/2024] [Indexed: 04/01/2024]
Abstract
BACKGROUND Fibroblast growth factor 21 (FGF21) is a secreted protein that plays an important role in atherosclerosis and pathological cardiac remodeling. However, the correlation between FGF21 and the degree of coronary artery stenosis and its potential role in acute myocardial infarction (AMI) remain unclear. We examined whether changes in FGF21 levels in AMI correlate with the degree of coronary artery stenosis and the levels of inflammatory factors, and preliminarily investigated the effects of FGF21 on inflammatory factor levels and myocardial injury in rats with AMI. METHODS Serum levels of FGF21 and inflammatory factors in the AMI group and control group were measured, and the correlation between FGF21 and clinical indicators and inflammatory factors was analyzed. The effects of FGF21 on cardiac function and inflammatory response were evaluated through echocardiography and measurement of inflammatory factors. RESULTS Multivariate logistic regression analysis showed that neutrophil percentage (NEUT%, odds ratio [OR]: 1.232; 95 % confidence interval [CI]: 1.028-1.477; p = 0.024) and FGF21 levels (OR: 2.063; 95 % CI: 1.187-3.586; p = 0.01) had independent effects on AMI. Spearman's rank correlation test showed that FGF21 levels were positively correlated with leukocyte count, NEUT%, neutrophil count, neutrophil to lymphocyte ratio, C-reactive protein, interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), monocyte chemotactic protein-1 (MCP-1) and Gensini scores (p < 0.01), but negatively correlated with lymphocyte count (p < 0.01). FGF21 levels in myocardial tissues and serum levels of FGF21, IL-6, TNF-a, and MCP-1 were significantly higher in AMI rats than in the sham-operated group (p < 0.01). After overexpression of FGF21, serum levels of IL-6, TNF-a, and MCP-1 in rats were significantly decreased (p < 0.01), and cardiac function improved significantly. CONCLUSIONS FGF21 levels were independently associated with AMI and may be related to the severity of coronary artery stenosis. Overexpression of FGF21 reduced serum inflammatory factor levels and improved cardiac function in AMI rats.
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Affiliation(s)
- Xu Liu
- Department of Cardiology, Second Hospital of Jilin University, No. 218 Ziqiang Street, Changchun 130041, China
| | - Mengying Dong
- Departments of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210000, China
| | - Tianyi Li
- Department of Cardiology, Second Hospital of Jilin University, No. 218 Ziqiang Street, Changchun 130041, China
| | - Junnan Wang
- Department of Cardiology, Second Hospital of Jilin University, No. 218 Ziqiang Street, Changchun 130041, China.
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2
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Xu Y, Geng Y, Wang H, Zhang H, Qi J, Li F, Hu X, Chen Y, Si H, Li Y, Wang X, Xu H, Kong J, Cai Y, Wu A, Ni W, Xiao J, Zhou K. Cyclic helix B peptide alleviates proinflammatory cell death and improves functional recovery after traumatic spinal cord injury. Redox Biol 2023; 64:102767. [PMID: 37290302 DOI: 10.1016/j.redox.2023.102767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 05/23/2023] [Accepted: 05/29/2023] [Indexed: 06/10/2023] Open
Abstract
BACKGROUND Necroptosis and pyroptosis, two types of proinflammatory programmed cell death, were recently found to play important roles in spinal cord injury (SCI). Moreover, cyclic helix B peptide (CHBP) was designed to maintain erythropoietin (EPO) activity and protect tissue against the adverse effects of EPO. However, the protective mechanism of CHBP following SCI is still unknown. This research explored the necroptosis- and pyroptosis-related mechanism underlying the neuroprotective effect of CHBP after SCI. METHODS Gene Expression Omnibus (GEO) datasets and RNA sequencing were used to identify the molecular mechanisms of CHBP for SCI. A mouse model of contusion SCI was constructed, and HE staining, Nissl staining, Masson staining, footprint analysis and the Basso Mouse Scale (BMS) were applied for histological and behavioural analyses. qPCR, Western blot analysis, immunoprecipitation and immunofluorescence were utilized to analyse the levels of necroptosis, pyroptosis, autophagy and molecules associated with the AMPK signalling pathway. RESULTS The results revealed that CHBP significantly improved functional restoration, elevated autophagy, suppressed pyroptosis, and mitigated necroptosis after SCI. 3-Methyladenine (3-MA), an autophagy inhibitor, attenuated these beneficial effects of CHBP. Furthermore, CHBP-triggered elevation of autophagy was mediated by the dephosphorylation and nuclear translocation of TFEB, and this effect was due to stimulation of the AMPK-FOXO3a-SPK2-CARM1 and AMPK-mTOR signalling pathways. CONCLUSION CHBP acts as a powerful regulator of autophagy that improves functional recovery by alleviating proinflammatory cell death after SCI and thus might be a prospective therapeutic agent for clinical application.
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Affiliation(s)
- Yu Xu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China; Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, 250012, China
| | - Yibo Geng
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Hui Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Haojie Zhang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Jianjun Qi
- Department of Clinical Laboratory, The First Affiliated Hospital of Wannan Medical College (Yi jishan Hospital of Wannan Medical College), Wuhu, 241001, China
| | - Feida Li
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Xinli Hu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Yituo Chen
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Haipeng Si
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, 250012, China
| | - Yao Li
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Xiangyang Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Huazi Xu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Jianzhong Kong
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Yuepiao Cai
- Molecular Pharmacology Research Center, School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, 325000, China
| | - Aimin Wu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China
| | - Wenfei Ni
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China.
| | - Jian Xiao
- Molecular Pharmacology Research Center, School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, 325000, China.
| | - Kailiang Zhou
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou, 325027, China.
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3
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Liu W, Huang D, Liu Y, He H, Gu Z, Liu Y, Yang Q, Luo Z, Ju M. Cyclic helix B peptide ameliorated the sepsis-induced injury in human HPMEC cells through regulating NF-κB. Clin Immunol 2022; 245:109169. [DOI: 10.1016/j.clim.2022.109169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 10/20/2022] [Accepted: 10/23/2022] [Indexed: 11/06/2022]
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Mohtavinejad N, Hajiramezanali M, Akhlaghi M, Bitarafan-Rajabi A, Gholipour N. Synthesis and evaluation of 99mTc-DOTA-ARA-290 as potential SPECT tracer for targeting cardiac ischemic region. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:1488-1499. [PMID: 35317117 PMCID: PMC8917853 DOI: 10.22038/ijbms.2021.57565.12799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 09/21/2021] [Indexed: 11/06/2022]
Abstract
Objectives Myocardial infarction caused by ischemia of heart tissue is the main reason for death worldwide; therefore, early detection can reduce mortality and treatment costs. Erythropoietin (EPO) has protection effects on ischemic tissue due to nonhematopoietic peptide (pHBSP; ARA-290) which is derived from the B-subunit of EPO. Materials and Methods We designed and synthesized a modified DOTA-(Lys-Dabcyl6, Phe7)-ARA-290 using Fmoc solid-phase peptide synthesis strategies. To improve serum stability, Fmoc-Lys-(Dabcyl)-OH as lipophilic amino acid was synthesized along with Fmoc-Phe-OH which then were substituted with Arg6 and Ala7, respectively; they were then investigated for the ability to detect ischemic cardiac imaging. DOTA-(Lys-Dabcyl6,Phe7)-ARA-290 was labeled with technetium 99m, and its radiochemical purity (RCP), stability in the presence of human serum and, specific bind to hypoxic H9c2 cells were evaluated. In vivo studies for biodistribution and SPECT scintigraphy were checked in a normal and cardiac ischemia rat model. Results Radiolabeling purity was obtained more than 96% by ITLC, and in vitro stability of the radiopeptide up to 6 hr was 85%. The binding of 99mTc-ARA-290 to hypoxic cells was remarkably higher than normoxic cells (3 times higher than normoxic cells at 1 hr). Biodistribution and SPECT imaging on the cardiac ischemic model showed that radiopeptide considerably accumulated in the ischemic region (cardiac ischemic-to-lung rate = 3.65 ID/g % at 0.5 hr). Conclusion The results of studies, in vitro and in vivo, indicated that 99mTc-DOTA-(Lys-Dabcyl6,Phe7)-ARA-290 could be an appropriate candidate for early diagnosis of cardiac ischemia.
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Affiliation(s)
- Naser Mohtavinejad
- Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Maliheh Hajiramezanali
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Akhlaghi
- Research Center for Nuclear Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Bitarafan-Rajabi
- Echocardiography Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran;, Cardiovascular Interventional Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Nazila Gholipour
- Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran, Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran,Corresponding author: Nazila Gholipour. Baqiyatallah University of Medical Sciences, Sheikh Bahai St., Tehran, Iran. Tel: +98-21-87555392; Fax: +98-21- 87555385;
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5
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Cheng XJ, Li L, Xin BQ. MiR-124 Regulates the Inflammation and Apoptosis in Myocardial Infarction Rats by Targeting STAT3. Cardiovasc Toxicol 2021; 21:710-720. [PMID: 34037971 DOI: 10.1007/s12012-021-09661-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 05/17/2021] [Indexed: 11/27/2022]
Abstract
This study aimed to discover the effect of miR-124/STAT3 axis on the inflammation and cell apoptosis in myocardial infarction (MI) rats. Sprague-Dawley (SD) male rats were selected for establishing MI models and divided into Sham, MI, MI + anti-miR-124 and MI + Ad-miR-124 groups. Cardiac function was detected via echocardiography. Hematoxylin & eosin (HE) and triphenyltetrazolium chloride (TTC) staining were used to observe the pathological changes and infarction area, while transferase (TdT)-mediated D-UTP-biotin nick end labeling (TUNEL) assay was to observe myocardial apoptosis. Enzyme-linked immunosorbent assay (ELISA) was used to determine the serum levels of inflammatory cytokines. Quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) and western blotting were performed to determine the mRNA and protein levels, respectively. Dual luciferase reporter gene assay revealed that STAT3 was a target gene of miR-124. The expression levels of miR-124 were increased and the pSTAT3/STAT3 ratio was reduced in the MI rats. The rats in the MI group showed enhanced LVEDD and LVESD, reduced LVEF and LVFS, as well as larger myocardial infarction area compared with the Sham group, Besides, IL-1β, IL-6, TNF-α and MCP-1 levels were elevated and the expressions of Bax/Bcl-2 ratio and cleaved caspase-3 were downregulated in MI group. We further found that silencing miR-124 improved cardiac function, reduced infarction area and the levels of inflammatory cytokines, as well as prevented myocardial apoptosis in MI rats. Silencing miR-124 could inhibit the inflammation and apoptosis of myocardial cells, thereby relieving the MI injury via upregulation of STAT3.
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Affiliation(s)
- Xiao-Jing Cheng
- Department of Cardiovascular Medicine, Rizhao People's Hospital, No. 126, Taian Road, Donggang District, Rizhao, 276800, Shandong, China
| | - Lei Li
- Department of Cardiovascular Medicine, Rizhao People's Hospital, No. 126, Taian Road, Donggang District, Rizhao, 276800, Shandong, China
| | - Ben-Qiang Xin
- Department of Cardiovascular Medicine, Rizhao People's Hospital, No. 126, Taian Road, Donggang District, Rizhao, 276800, Shandong, China.
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6
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Zhang Y, Wu Y, Wang W, Liu F, Zhang Y, Yang C, Liu A, Wu J, Zhu T, Nicholson ML, Fan Y, Yang B. Long-Term Protection of CHBP Against Combinational Renal Injury Induced by Both Ischemia-Reperfusion and Cyclosporine A in Mice. Front Immunol 2021; 12:697751. [PMID: 34381450 PMCID: PMC8350137 DOI: 10.3389/fimmu.2021.697751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/25/2021] [Indexed: 11/13/2022] Open
Abstract
Renal ischemia–reperfusion (IR) injury and cyclosporine A (CsA) nephrotoxicity affect allograft function and survival. The prolonged effects and underlying mechanisms of erythropoietin derived cyclic helix B peptide (CHBP) and/or caspase-3 small interfering RNA (CASP-3siRNA) were investigated in mouse kidneys, as well as kidney epithelial cells (TCMK-1), subjected to transplant-related injuries. Bilateral renal pedicles were clamped for 30 min followed by reperfusion for 2 and 8 weeks, with/without 35 mg/kg CsA gavage daily and/or 24 nmol/kg CHBP intraperitoneal injection every 3 days. The ratio of urinary albumin to creatinine was raised by IR injury, further increased by CsA and lowered by CHBP at 2, 4, 6 and 8 weeks, whereas the level of SCr was not significantly affected. Similar change trends were revealed in tubulointerstitial damage and fibrosis, HMGB1 and active CASP-3 protein. Increased apoptotic cells in IR kidneys were decreased by CsA and CHBP at 2 and/or 8 weeks. p70 S6 kinase and mTOR were reduced by CsA with/without CHBP at 2 weeks, so were S6 ribosomal protein and GSK-3β at 8 weeks, with reduced CASP-3 at both time points. CASP-3 was further decreased by CHBP in IR or IR + CsA kidneys at 2 or 8 weeks. Furthermore, in TCMK-1 cells CsA induced apoptosis was decreased by CHBP and/or CASP-3siRNA treatment. Taken together, CHBP predominantly protects kidneys against IR injury at 2 weeks and/or CsA nephrotoxicity at 8 weeks, with different underlying mechanisms. Urinary albumin/creatinine is a good biomarker in monitoring the progression of transplant-related injuries. CsA divergently affects apoptosis in kidneys and cultured kidney epithelial cells, in which CHBP and/or CASP-3siRNA reduces inflammation and apoptosis.
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Affiliation(s)
- Yufang Zhang
- Renal Group, Basic Medical Research Centre, Medical College of Nantong University, Nantong, China
| | - Yuanyuan Wu
- Renal Group, Basic Medical Research Centre, Medical College of Nantong University, Nantong, China.,Nantong-Leicester Joint Institute of Kidney Science, Department of Nephrology, Affiliated Hospital of Nantong University, Nantong, China
| | - Wei Wang
- Nantong-Leicester Joint Institute of Kidney Science, Department of Nephrology, Affiliated Hospital of Nantong University, Nantong, China
| | - Feng Liu
- Nantong-Leicester Joint Institute of Kidney Science, Department of Nephrology, Affiliated Hospital of Nantong University, Nantong, China
| | - Yiwen Zhang
- Nantong-Leicester Joint Institute of Kidney Science, Department of Nephrology, Affiliated Hospital of Nantong University, Nantong, China
| | - Cheng Yang
- Department of Urology, Zhongshan Hospital, Shanghai Key Laboratory of Organ Transplantation, Fudan University, Shanghai, China
| | - Aifen Liu
- Renal Group, Basic Medical Research Centre, Medical College of Nantong University, Nantong, China
| | - Jing Wu
- Nantong-Leicester Joint Institute of Kidney Science, Department of Nephrology, Affiliated Hospital of Nantong University, Nantong, China
| | - Tongyu Zhu
- Department of Urology, Zhongshan Hospital, Shanghai Key Laboratory of Organ Transplantation, Fudan University, Shanghai, China
| | - Michael L Nicholson
- Department of Cardiovascular Sciences, University of Leicester, University Hospitals of Leicester, Leicester, United Kingdom.,Department of Surgery, Addenbrooke's Hospital, University of Cambridge, Cambridge, United Kingdom
| | - Yaping Fan
- Nantong-Leicester Joint Institute of Kidney Science, Department of Nephrology, Affiliated Hospital of Nantong University, Nantong, China
| | - Bin Yang
- Renal Group, Basic Medical Research Centre, Medical College of Nantong University, Nantong, China.,Nantong-Leicester Joint Institute of Kidney Science, Department of Nephrology, Affiliated Hospital of Nantong University, Nantong, China.,Department of Cardiovascular Sciences, University of Leicester, University Hospitals of Leicester, Leicester, United Kingdom
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7
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Zheng L, Wang X, Hu L, Gao W, Zhang W, Zhang X, Hu C, Rong R, Yang C, Zhu D. Cyclic Helix B Peptide Prolongs Skin Allograft Survival via Inhibition of B Cell Immune Responses in a Murine Model. Front Immunol 2021; 12:682749. [PMID: 34054874 PMCID: PMC8149941 DOI: 10.3389/fimmu.2021.682749] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 04/23/2021] [Indexed: 12/03/2022] Open
Abstract
Antibody-mediated rejection (AMR) represents a major cause of allograft dysfunction and results in allograft failure in solid organ transplantation. Cyclic helix B peptide (CHBP) is a novel erythropoietin-derived peptide that ameliorated renal allograft rejection in a renal transplantation model. However, its effect on AMR remains unknown. This study aimed to investigate the effect of CHBP on AMR using a secondary allogeneic skin transplantation model, which was created by transplanting skin from BALB/c mice to C57BL/6 mice with or without CHBP treatment. A secondary syngeneic skin transplantation model, involving transplantation from C57BL/6 mice to C57BL/6 mice, was also created to act as a control. Skin graft rejection, CD19+ B cell infiltration in the skin allograft, the percentages of splenic plasma cells, germinal center (GC) B cells, and Tfh cells, the serum levels of donor specific antibodies (DSAs), and NF-κB signaling in splenocytes were analyzed. Skin allograft survival was significantly prolonged in the CHBP group compared to the allogeneic group. CHBP treatment also significantly reduced the CD19+ B cell infiltration in the skin allograft, decreased the percentages of splenic plasma cells, GC B cells, and Tfh cells, and ameliorated the increase in the serum DSA level. At a molecular level, CHBP downregulated P100, RelB, and P52 in splenocytes. CHBP prolonged skin allograft survival by inhibiting AMR, which may be mediated by inhibition of NF-κB signaling to suppress B cell immune responses, thereby decreasing the DSA level.
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Affiliation(s)
- Long Zheng
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Xuanchuan Wang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Linkun Hu
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Wenjun Gao
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Weitao Zhang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Xuepeng Zhang
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Chao Hu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Ruiming Rong
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Blood Transfusion, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Cheng Yang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai, China.,Zhangjiang Institute of Fudan University, Shanghai, China
| | - Dong Zhu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
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Li J, Tu G, Zhang W, Zhang Y, Zhang X, Qiu Y, Wang J, Sun T, Zhu T, Yang C, Rong R. CHBP induces stronger immunosuppressive CD127 + M-MDSC via erythropoietin receptor. Cell Death Dis 2021; 12:177. [PMID: 33579907 PMCID: PMC7881243 DOI: 10.1038/s41419-021-03448-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 12/16/2020] [Accepted: 01/15/2021] [Indexed: 02/07/2023]
Abstract
Erythropoietin (EPO) is not only an erythropoiesis hormone but also an immune-regulatory cytokine. The receptors of EPO (EPOR)2 and tissue-protective receptor (TPR), mediate EPO's immune regulation. Our group firstly reported a non-erythropoietic peptide derivant of EPO, cyclic helix B peptide (CHBP), which could inhibit macrophages inflammation and dendritic cells (DCs) maturation. As a kind of innate immune regulatory cell, myeloid-derived suppressor cells (MDSCs) share a common myeloid progenitor with macrophages and DCs. In this study, we investigated the effects on MDSCs differentiation and immunosuppressive function via CHBP induction. CHBP promoted MDSCs differentiate toward M-MDSCs with enhanced immunosuppressive capability. Infusion of CHBP-induced M-MDSCs significantly prolonged murine skin allograft survival compared to its counterpart without CHBP stimulation. In addition, we found CHBP increased the proportion of CD11b+Ly6G-Ly6Chigh CD127+ M-MDSCs, which exerted a stronger immunosuppressive function compared to CD11b+Ly6G-Ly6Chigh CD127- M-MDSCs. In CHBP induced M-MDSCs, we found that EPOR downstream signal proteins Jak2 and STAT3 were upregulated, which had a strong relationship with MDSC function. In addition, CHBP upregulated GATA-binding protein 3 (GATA-3) protein translation level, which was an upstream signal of CD127 and regulator of STAT3. These effects of CHBP could be reversed if Epor was deficient. Our novel findings identified a new subset of M-MDSCs with better immunosuppressive capability, which was induced by the EPOR-mediated Jak2/GATA3/STAT3 pathway. These results are beneficial for CHBP clinical translation and MDSC cell therapy in the future.
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Affiliation(s)
- Jiawei Li
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
| | - Guowei Tu
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Weitao Zhang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
| | - Yi Zhang
- Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
- Zhongshan Hospital Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Xuepeng Zhang
- Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Yue Qiu
- Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Jiyan Wang
- Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
- Department of Urology, Shanghai Public Health Clinical Center, Shanghai, 201508, China
| | - Tianle Sun
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Soochow University, Suzhou, 215006, China
| | - Tongyu Zhu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China
- Shanghai Public Health Clinical Center, Shanghai, 201508, China
| | - Cheng Yang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
- Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China.
- Zhangjiang Institute of Fudan University, Shanghai, 201203, China.
| | - Ruiming Rong
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
- Shanghai Key Laboratory of Organ Transplantation, Shanghai, 200032, China.
- Department of Transfusion, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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9
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Belyaeva VS, Stepenko YV, Lyubimov II, Kulikov AL, Tietze AA, Kochkarova IS, Martynova OV, Pokopeyko ON, Krupen’kina LA, Nagikh AS, Pokrovskiy VM, Patrakhanov EA, Belashova AV, Lebedev PR, Gureeva AV. Non-hematopoietic erythropoietin-derived peptides for atheroprotection and treatment of cardiovascular diseases. RESEARCH RESULTS IN PHARMACOLOGY 2020. [DOI: 10.3897/rrpharmacology.6.58891] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Relevance: Cardiovascular diseases continue to be the leading cause of premature adult death.Lipid profile and atherogenesis: Dislipidaemia leads to subsequent lipid accumulation and migration of immunocompetent cells into the vessel intima. Macrophages accumulate cholesterol forming foam cells – the morphological substrate of atherosclerosis in its initial stage.Inflammation and atherogenesis: Pro-inflammatory factors provoke oxidative stress, vascular wall damage and foam cells formation.Endothelial and mitochondrial dysfunction in the development of atherosclerosis: Endothelial mitochondria are some of the organelles most sensitive to oxidative stress. Damaged mitochondria produce excess superoxide and H2O2, which are the main factors of intracellular damage, further increasing endothelial dysfunction.Short non-hematopoietic erythropoietin-based peptides as innovative atheroprotectors: Research in recent decades has shown that erythropoietin has a high cytoprotective activity, which is mainly associated with exposure to the mitochondrial link and has been confirmed in various experimental models. There is also a short-chain derivative, the 11-amino acid pyroglutamate helix B surface peptide (PHBSP), which selectively binds to the erythropoietin heterodymic receptor and reproduces its cytoprotective properties. This indicates the promising use of short-chain derivatives of erythropoietin for the treatment and prevention of atherosclerotic vascular injury. In the future, it is planned to study the PHBSP derivatives, the modification of which consists in adding RGD and PGP tripeptides with antiaggregant properties to the original 11-member peptide.
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Ma R, Gao L, Liu Y, Du P, Chen X, Li G. LncRNA TTTY15 knockdown alleviates H 2O 2-stimulated myocardial cell injury by regulating the miR-98-5p/CRP pathway. Mol Cell Biochem 2020; 476:81-92. [PMID: 32888161 DOI: 10.1007/s11010-020-03887-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 08/14/2020] [Indexed: 12/21/2022]
Abstract
Acute myocardial infarction (AMI) can lead to myocardial injury, and long non-coding RNA (lncRNA) has been found to play an important regulatory role in the process of myocardial injury. However, the role and potential mechanisms of lncRNA testis-specific transcript Y-linked 15 (TTTY15) in AMI-induced myocardial injury has not been fully elucidated. Hydrogen peroxide (H2O2)-induced AMI cell model was built and AMI mice model were constructed. Relative expression levels of TTTY15, miR-98-5p and C-reactive protein (CRP) were determined by quantitative real-time PCR (qRT-PCR). Cell counting kit 8 (CCK8) assay, flow cytometry and enzyme-linked immunosorbent assay (ELISA) were employed to assess cell viability, apoptosis, inflammatory response and oxidative stress. Western blot (WB) analysis was used to assess the protein expression levels. The mechanism of TTTY15 was confirmed by dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay. Our results revealed that TTTY15 was upregulated and miR-98-5p was downregulated in AMI patients and H2O2-stimulated myocardial cells. Knockdown of TTTY15 could alleviate H2O2-stimulated myocardial cell injury in vitro and AMI progression in vivo. Bioinformatics analysis and the rescue experiments confirmed that TTTY15 positively regulated H2O2-induced myocardial cell injury via regulating CRP by sponging miR-98-5p. Our research proposed that lncRNA TTTY15 promoted myocardial cell injury by regulating the miR-98-5p/CRP axis, suggesting that TTTY15 might be a potential target for alleviating AMI-caused myocardial cell injury.
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Affiliation(s)
- Rufei Ma
- Department of Clinical Laboratory, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No.7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Lan Gao
- Department of Clinical Laboratory, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No.7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Yanhong Liu
- Department of Clinical Laboratory, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No.7 Weiwu Road, Zhengzhou, 450003, Henan, China
| | - Pengqiang Du
- Department of Medicine, Fuwai Central China Cardiovascular Hospital, Zhengzhou, 450046, Henan, China
| | - Xiaozhen Chen
- Department of Cardiology, Fuwai Central China Cardiovascular Hospital, Zhengzhou, 450046, Henan, China
| | - Gang Li
- Department of Clinical Laboratory, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, No.7 Weiwu Road, Zhengzhou, 450003, Henan, China.
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Qi R, Zhang W, Zheng L, Xu M, Rong R, Zhu T, Yang C. Cyclic helix B peptide ameliorates renal tubulointerstitial fibrosis induced by unilateral ureter obstruction via inhibiting NLRP3 pathway. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:167. [PMID: 32309314 PMCID: PMC7154394 DOI: 10.21037/atm.2020.02.12] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Background Renal fibrosis is the inevitable outcome of all progressive chronic kidney diseases (CKD) and leads to a gradual loss of renal function. We previously reported cyclic helix B peptide (CHBP), a novel synthesized peptide derived from erythropoietin, had shown effective renoprotection. In this study, we investigated the anti-fibrotic and renoprotective effect of CHBP in a murine renal tubulointerstitial fibrosis model induced by unilateral ureter obstruction (UUO). Methods Mice were subjected to the UUO model and CHBP was given intraperitoneally. To assess the therapeutic effects of CHBP, pathological injury, deposition of extracellular matrix (ECM) and the progression of epithelial-mesenchymal transition (EMT) were examined in vivo. The anti-fibrotic effects of CHBP was validated in vitro using TCMK-1 cells treated with TGF-β1. Involvement of the NLRP3 pathway was demonstrated both in vivo and in vitro. Results CHBP significantly ameliorated renal tubulointerstitial injury and fibrosis in terms of ECM deposition. The EMT process was also alleviated after CHBP treatment. Similar therapeutic effects of CHBP were also observed in vitro in TGF-β1 treated tubular epithelial cells (TECs). NLRP3/caspase-1/IL-1β pathway was involved and activated upon injury, both in vivo and in vitro. While the activation of the NLRP3 pathway was found to be in negative correlation with CHBP treatment. CHBP could suppress the activation of NLRP3 and its downstream inflammatory mediators even with addition of extracellular ATP, a direct activator of the NLRP3 inflammasome. Conclusions Our results suggest that CHBP could effectively protect the kidney from renal tubulointerstitial fibrosis in the UUO model via counteracting the NLRP3/caspase-1/IL-1β pathway.
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Affiliation(s)
- Ruochen Qi
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai 200032, China.,Shanghai Medical College, Fudan University, Shanghai 200032, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai 200032, China
| | - Weitao Zhang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai 200032, China.,Shanghai Medical College, Fudan University, Shanghai 200032, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai 200032, China
| | - Long Zheng
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai 200032, China.,Shanghai Medical College, Fudan University, Shanghai 200032, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai 200032, China
| | - Ming Xu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai 200032, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai 200032, China
| | - Ruiming Rong
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai 200032, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai 200032, China.,Department of Transfusion, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Tongyu Zhu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai 200032, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai 200032, China
| | - Cheng Yang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai 200032, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai 200032, China
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Erythropoietin and its derivatives: from tissue protection to immune regulation. Cell Death Dis 2020; 11:79. [PMID: 32015330 PMCID: PMC6997384 DOI: 10.1038/s41419-020-2276-8] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 01/03/2020] [Accepted: 01/07/2020] [Indexed: 02/07/2023]
Abstract
Erythropoietin (EPO) is an evolutionarily conserved hormone well documented for its erythropoietic role via binding the homodimeric EPO receptor (EPOR)2. In past decades, evidence has proved that EPO acts far beyond erythropoiesis. By binding the tissue-protective receptor (TPR), EPO suppresses proinflammatory cytokines, protects cells from apoptosis and promotes wound healing. Very recently, new data revealed that TPR is widely expressed on a variety of immune cells, and EPO could directly modulate their activation, differentiation and function. Notably, nonerythropoietic EPO derivatives, which mimic the structure of helix B within EPO, specifically bind TPR and show great potency in tissue protection and immune regulation. These small peptides prevent the cardiovascular side effects of EPO and are promising as clinical drugs. This review briefly introduces the receptors and tissue-protective effects of EPO and its derivatives and highlights their immunomodulatory functions and application prospects.
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