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Golmohammadi M, Ivraghi MS, Hasan EK, Huldani H, Zamanian MY, Rouzbahani S, Mustafa YF, Al-Hasnawi SS, Alazbjee AAA, Khalajimoqim F, Khalaj F. Protective effects of pioglitazone in renal ischemia-reperfusion injury (RIRI): focus on oxidative stress and inflammation. Clin Exp Nephrol 2024:10.1007/s10157-024-02525-3. [PMID: 38935212 DOI: 10.1007/s10157-024-02525-3] [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: 04/03/2024] [Accepted: 06/01/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Renal ischemia-reperfusion injury (RIRI) is a critical phenomenon that compromises renal function and is the most serious health concern related to acute kidney injury (AKI). Pioglitazone (Pio) is a known agonist of peroxisome proliferator-activated receptor-gamma (PPAR-γ). PPAR-γ is a nuclear receptor that regulates genes involved in inflammation, metabolism, and cellular differentiation. Activation of PPAR-γ is associated with antiinflammatory and antioxidant effects, which are relevant to the pathophysiology of RIRI. This study aimed to investigate the protective effects of Pio in RIRI, focusing on oxidative stress and inflammation. METHODS We conducted a comprehensive literature search using electronic databases, including PubMed, ScienceDirect, Web of Science, Scopus, and Google Scholar. RESULTS The results of this study demonstrated that Pio has antioxidant, anti-inflammatory, and anti-apoptotic activities that counteract the consequences of RIRI. The study also discussed the underlying mechanisms, including the modulation of various pathways such as TNF-α, NF-κB signaling systems, STAT3 pathway, KIM-1 and NGAL pathways, AMPK phosphorylation, and autophagy flux. Additionally, the study presented a summary of various animal studies that support the potential protective effects of Pio in RIRI. CONCLUSION Our findings suggest that Pio could protect the kidneys from RIRI by improving antioxidant capacity and decreasing inflammation. Therefore, these findings support the potential of Pio as a therapeutic strategy for preventing RIRI in different clinical conditions.
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Affiliation(s)
- Maryam Golmohammadi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, 1988873554, Iran
| | | | | | - Huldani Huldani
- Department of Physiology, Faculty of Medicine Lambung, Mangkurat University, South Kalimantan, Banjarmasin, Indonesia
| | - Mohammad Yasin Zamanian
- Urology and Nephrology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
- Department of Physiology, Hamadan University of Medical Sciences, Hamadan, 6718773654, Iran.
- Department of Pharmacology and Toxicology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, 6718773654, Iran.
| | - Shiva Rouzbahani
- Miller School of Medicine, Bascom Palmer Eye Institute, University of Miami, Miami, FL, USA
- Department of Community Medicine and Family Physician, School of Medicine, Isfahan University of Medical Sciences, Hezar Jarib Blvd, Isfahan, Iran
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, 41001, Iraq
| | | | | | - Faranak Khalajimoqim
- Department of Pharmacology and Toxicology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, 6718773654, Iran
| | - Fattaneh Khalaj
- Digestive Diseases Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.
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2
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Wang F. Interleukin‑18 binding protein: Biological properties and roles in human and animal immune regulation (Review). Biomed Rep 2024; 20:87. [PMID: 38665423 PMCID: PMC11040224 DOI: 10.3892/br.2024.1775] [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: 06/25/2023] [Accepted: 01/11/2024] [Indexed: 04/28/2024] Open
Abstract
IL-18 binding protein (IL-18BP) is a natural regulatory molecule of the proinflammatory cytokine IL-18. It can regulate activity of IL-18 by high affinity binding. The present review aimed to highlight developments, characteristics and functions of IL-18BP. IL-18BP serves biological and anti-pathological roles in treating disease. In humans, it modulates progression of a number of chronic diseases, such as adult-onset Still's disease. The present review summarizes molecular structure, role of IL-18BP in disease and interaction with other proteins in important pathological processes.
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Affiliation(s)
- Fengxue Wang
- College of Veterinary Medicine, Key Laboratory for Clinical Diagnosis and Treatment of Animal Disease at the Ministry of Agriculture, Inner Mongolia Agricultural University, Inner Mongolia Autonomous Region, Huhhot 010018, P.R. China
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Ma W, Wu D, Long C, Liu J, Xu L, Zhou L, Dou Q, Ge Y, Zhou C, Jia R. Neutrophil-derived nanovesicles deliver IL-37 to mitigate renal ischemia-reperfusion injury via endothelial cell targeting. J Control Release 2024; 370:66-81. [PMID: 38631490 DOI: 10.1016/j.jconrel.2024.04.025] [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: 12/19/2023] [Revised: 04/09/2024] [Accepted: 04/14/2024] [Indexed: 04/19/2024]
Abstract
Renal ischemia-reperfusion injury (IRI) is one of the most important causes of acute kidney injury (AKI). Interleukin (IL)-37 has been suggested as a novel anti-inflammatory factor for the treatment of IRI, but its application is still limited by its low stability and delivery efficiency. In this study, we reported a novel engineered method to efficiently and easily prepare neutrophil membrane-derived vesicles (N-MVs), which could be utilized as a promising vehicle to deliver IL-37 and avoid the potential side effects of neutrophil-derived natural extracellular vesicles. N-MVs could enhance the stability of IL-37 and targetedly deliver IL-37 to damaged endothelial cells of IRI kidneys via P-selectin glycoprotein ligand-1 (PSGL-1). In vitro and in vivo evidence revealed that N-MVs encapsulated with IL-37 (N-MV@IL-37) could inhibit endothelial cell apoptosis, promote endothelial cell proliferation and angiogenesis, and decrease inflammatory factor production and leukocyte infiltration, thereby ameliorating renal IRI. Our study establishes a promising delivery vehicle for the treatment of renal IRI and other endothelial damage-related diseases.
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Affiliation(s)
- Wenjie Ma
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China
| | - Di Wu
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China
| | - Chengcheng Long
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China
| | - Jingyu Liu
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China
| | - Luwei Xu
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China
| | - Liuhua Zhou
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China
| | - Quanliang Dou
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China
| | - Yuzheng Ge
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China
| | - Changcheng Zhou
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China.
| | - Ruipeng Jia
- Department of Urology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China.
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4
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Buckley CT, Lee YL, Michele Schuler A, Langley RJ, Kutcher ME, Barrington R, Audia JP, Simmons JD. Deleterious effects of plasma-derived cellular debris in a porcine model of hemorrhagic shock. Injury 2024; 55:111300. [PMID: 38160196 DOI: 10.1016/j.injury.2023.111300] [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: 05/04/2023] [Revised: 11/20/2023] [Accepted: 12/22/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Recent studies identify large quantities of inflammatory cellular debris within Fresh Frozen Plasma (FFP). As FFP is a mainstay of hemorrhagic shock resuscitation, we used a porcine model of hemorrhagic shock and ischemia/reperfusion to investigate the inflammatory potential of plasma-derived cellular debris administered during resuscitation. METHODS The porcine model of hemorrhagic shock included laparotomy with 35 % hemorrhage (Hem), 45 min of ischemia from supraceliac aortic occlusion with subsequent clamp release (IR), followed by protocolized resuscitation for 6 h. Cellular debris (Debris) was added to the resuscitation phase in three groups. The four groups consisted of Hem + IR (n = 4), Hem + IR + Debris (n = 3), Hem + Debris (n = 3), and IR + Debris (n = 3). A battery of laboratory, physiologic, cytokine, and outcome data were compared between groups. RESULTS As expected, the Hem + IR group showed severe time dependent decrements in organ function and physiologic parameters. All animals that included both IR and Debris (Hem + IR + Debris or IR + Debris) died prior to the six-hour end point, while all animals in the Hem + IR and Hem + Debris survived. Cytokines measured at 30-60 min after initiation of resuscitation revealed significant differences in IL-18 and IL-1β between all groups. CONCLUSIONS Ischemia and reperfusion appear to prime the immune system to the deleterious effects of plasma-derived cellular debris. In the presence of ischemia and reperfusion, this model showed the equivalency of 100 % lethality when resuscitation included quantities of cellular debris at levels routinely administered to trauma patients during transfusion of FFP. A deeper understanding of the immunobiology of FFP-derived cellular debris is critical to optimize resuscitation for hemorrhagic shock.
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Affiliation(s)
- Colin T Buckley
- Department of Surgery, University of South Alabama, Mobile, AL, United States
| | - Yannleei L Lee
- Department of Surgery, University of South Alabama, Mobile, AL, United States
| | - A Michele Schuler
- Department of Comparative Medicine, University of South Alabama, United States; Department of Microbiology and Immunology, University of South Alabama, United States
| | - Raymond J Langley
- Department of Cellular & Molecular Pharmacology, University of South Alabama, United States
| | | | - Robert Barrington
- Department of Microbiology and Immunology, University of South Alabama, United States
| | - Jonathon P Audia
- Department of Microbiology and Immunology, University of South Alabama, United States
| | - Jon D Simmons
- Department of Surgery, University of South Alabama, Mobile, AL, United States; Department of Cellular & Molecular Pharmacology, University of South Alabama, United States.
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Henedak NT, El-Abhar HS, Abdallah DM, Ahmed KA, Soubh AA. Demotion of canonical/non-canonical inflammasome and pyroptosis alleviates ischemia/reperfusion-induced acute kidney injury: Novel role of the D2/D3 receptor agonist ropinirole. Eur J Pharmacol 2024; 969:176460. [PMID: 38402931 DOI: 10.1016/j.ejphar.2024.176460] [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: 09/05/2023] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 02/27/2024]
Abstract
Ropinirole used to treat Parkinson's disease highly targets the dopaminergic receptor D3 over the D2 receptor but although both are expressed in the kidneys the ropinirole potential to treat kidney injury provoked by ischemia/reperfusion (I/R) is undraped. We investigated whether ropinirole can alleviate renal I/R by studying its anti-inflammatory, antioxidant, and anti-pyroptotic effects targeting its aptitude to inhibit the High-mobility group box 1/Toll-like receptor 4/Nuclear factor-kappa B (HMGB1/TLR4/NF-κB) cue and the canonical/non-canonical NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome trajectories. Herein, bilateral I/R surgery was induced in animals to be either untreated or treated with ropinirole for three days after the insult. Ropinirole successfully improved the histopathological picture and renal function which was confirmed by reducing cystatin C and the standard parameters creatinine and blood urea nitrogen (BUN). Ropinirole achieved this through its anti-inflammatory capacity mediated by reducing the HMGB1/TLR4 axis and inactivating NF-κB, which are upstream regulators of the NLRP3 pathway. As a result, the injurious inflammasome markers (NLRP3, apoptosis-associated speck-like protein (ASC), active caspase-1) and their target cytokines interleukin-1 beta (IL-1β) and IL-18 were decreased. Ropinirole also reduced the pyroptotic cell death markers caspase-11 and gasdermin-D. Furthermore, ropinirole by replenishing antioxidants and decreasing malondialdehyde helped to reduce oxidative stress in the kidneys. The docking findings confirmed that ropinirole highly binds to the dopaminergic D3 receptor more than to the D2 receptor. In conclusion, ropinirole has the potential to be a reno-therapeutic treatment against I/R insult by abating the inflammatory NLRP3 inflammasome signal, pyroptosis, and oxidative stress.
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Affiliation(s)
- Nada T Henedak
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ahram Canadian University, 6th of October City, Giza, Egypt
| | - Hanan S El-Abhar
- Department of Pharmacology, Toxicology, and Biochemistry, Faculty of Pharmacy, Future University in Egypt, Cairo, 11835, Egypt
| | - Dalaal M Abdallah
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt.
| | - Kawkab A Ahmed
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Ayman A Soubh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ahram Canadian University, 6th of October City, Giza, Egypt
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6
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Zylberberg AK, Cottle DL, Runting J, Rodrigues G, Tham MS, Jones LK, Cumming HE, Short KM, Zaph C, Smyth IM. Modulating inflammation with interleukin 37 treatment ameliorates murine Autosomal Dominant Polycystic Kidney Disease. Kidney Int 2024; 105:731-743. [PMID: 38158181 DOI: 10.1016/j.kint.2023.12.006] [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: 12/08/2022] [Revised: 11/15/2023] [Accepted: 12/01/2023] [Indexed: 01/03/2024]
Abstract
Autosomal Dominant Polycystic Kidney Disease (ADPKD) is a leading cause of kidney failure and is associated with substantial morbidity and mortality. Interstitial inflammation is attributed to the action of infiltrating macrophages and is a feature thought to aggravate disease progression. Here, we investigated the therapeutic potential of the anti-inflammatory IL37b cytokine as a treatment for ADPKD using genetic mouse models, demonstrating that transgenic expression of human IL37b reduced collecting duct cyst burden in both early and adult-onset ADPKD rodent models. Moreover, injection of recombinant human IL37b could also reduce cyst burden in early onset ADPKD mice, an observation not associated with increased macrophage number at early stages of cyst formation. Interestingly, transgenic IL37b expression also did not alter macrophage numbers in advanced disease. Whole kidney RNA-seq highlighted an IL37b-mediated upregulation of the interferon signaling pathway and single-cell RNA-seq established that these changes originate at least partly from kidney resident macrophages. We further found that blocking type I interferon signaling in mice expressing IL37b resulted in increased cyst number, confirming this as an important pathway by which IL37b exerts its beneficial effects. Thus, our studies show that IL37b promotes interferon signaling in kidney resident macrophages which suppresses cyst initiation, identifying this protein as a potential therapy for ADPKD.
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Affiliation(s)
- Allara K Zylberberg
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia; Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
| | - Denny L Cottle
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia; Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia.
| | - Jessica Runting
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
| | - Grace Rodrigues
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
| | - Ming Shen Tham
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia; Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
| | - Lynelle K Jones
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia; Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
| | - Helen E Cumming
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia; Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
| | - Kieran M Short
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia; Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
| | - Colby Zaph
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
| | - Ian M Smyth
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia; Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia; Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia.
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7
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Meng Y, Cai XL, Cong S, Sun J, Hu YW, Gu YQ, Ma XM, Luo L. Role of Platelet/Lymphocyte, Neutrophil/Lymphocyte, and Interleukin-37/Interleukin-17 Ratios in the Occurrence and Treatment of Rheumatoid Arthritis. Immunol Invest 2024; 53:464-474. [PMID: 38477623 DOI: 10.1080/08820139.2023.2299687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
This study was designed to investigate the correlation of neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR), and interleukin (IL)-37/IL-17 ratio with the incidence/treatment of rheumatoid arthritis (RA). Firstly, fifty-eight patients with RA treated at the first affiliated hospital of Xinjiang Medical University from January 2018 to January 2019 were selected as the RA group; forty-nine healthy volunteers were enrolled in the control group. RA patients were treated with disease-modifying anti-rheumatic drugs (DMARDs). Next, the NLR, PLR, IL-37, IL-17 and 28-joint disease activity score using erythrocyte sedimentation rate (DAS28-ESR) were deleted in two groups. Subsequently, Spearman correlation analysis was adopted for the correlations of various indicators before and after treatment in two groups. According to the analysis results, the levels of NLR, PLR, IL-37, and IL-17 before treatment in the RA group were higher than those in the control group (P < .05), but the difference in the IL-37/IL-17 level between the two groups was not significant (P > .05). After treatment, NLR, PLR, and IL-37/IL-17 levels were significantly reduced in RA patients (P < .05). NLR and PLR were significantly positively correlated with DAS28-ESR, ESR and C-reactive protein (CRP), of which represented the disease activity of RA. NLP was strongly correlated with IL-37/IL-17. Collectively, NLR, PLR, IL-37, and IL-17 are closely related to the occurrence of RA. In addition, NLR and IL-37/IL-17 are more suitable than PLR in reflecting the therapeutic effect. Therefore, IL-37/IL-17 can be considered as a new indicator for reflecting the treatment effectiveness of RA.
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Affiliation(s)
- Yan Meng
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, PR China
| | - Xuan-Lin Cai
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, PR China
| | - Shan Cong
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, PR China
| | - Jiao Sun
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, PR China
| | - Yong-Wei Hu
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, PR China
| | - Yan-Qin Gu
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, PR China
| | - Xiu-Min Ma
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi, PR China
| | - Li Luo
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, PR China
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8
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Yang B, Crowley SD. Interleukin-37: a new therapeutic target in autosomal dominant polycystic kidney disease. Kidney Int 2024; 105:661-663. [PMID: 38519230 DOI: 10.1016/j.kint.2024.01.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 01/23/2024] [Indexed: 03/24/2024]
Abstract
Autosomal dominant polycystic kidney disease (ADPKD) has long been considered a genetic renal disorder, but emerging evidence suggests that the immune microenvironment within the kidney plays a pivotal role in disease progression and severity. In recent years, the previously obscure cytokine interleukin-37 has proved a strong inhibitor of innate immunity in multiple disease models. However, its role in ADPKD has not received scrutiny. In a provocative study published in the current issue, Zylberberg et al. show that interleukin-37 activates interferon signaling in renal macrophages, which inhibits ADPKD initiation. This finding identifies interleukin-37 as a potential viable immunomodulatory therapy for ADPKD.
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Affiliation(s)
- Bo Yang
- Division of Nephrology and Endocrinology, Naval Medical Center of PLA, Naval Medical University, Shanghai, People's Republic of China
| | - Steven D Crowley
- Division of Nephrology, Departments of Medicine, Durham VA and Duke University Medical Center, Durham, North Carolina, USA.
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9
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Wang D, Zhang B, Liu X, Kan LLY, Leung PC, Wong CK. Agree to disagree: The contradiction between IL-18 and IL-37 reveals shared targets in cancer. Pharmacol Res 2024; 200:107072. [PMID: 38242220 DOI: 10.1016/j.phrs.2024.107072] [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: 10/30/2023] [Revised: 12/28/2023] [Accepted: 01/10/2024] [Indexed: 01/21/2024]
Abstract
IL-37 is a newly discovered member of the IL-1 cytokine family which plays an important role in regulating inflammation and maintaining physiological homeostasis. IL-37 showed a close relationship with IL-18, another key cytokine in inflammation regulation and cancer development. IL-37 affects the function of IL-18 either by binding to IL-18Rα, a key subunit of both IL-37 and IL-18 receptor, or by drastically neutralizing the IL-18 protein expression of IL-18 binding protein, an important natural inhibitory molecule of IL-18. Moreover, as another subunit receptor of IL-37, IL-1R8 can suppress IL-18Rα expression, functioning as a surveillance mechanism to prevent overactivation of both IL-18 and IL-37 signaling pathways. While IL-18 and IL-37 share the same receptor subunit, IL-18 would in turn interfere with IL-37 signal transduction by binding to IL-18Rα. It is also reported that IL-18 and IL-37 demonstrated opposing effects in a variety of cancers, such as glioblastoma, lung cancer, leukemia, and hepatocellular cancer. Although the mutual regulation of IL-18 and IL-37 and their diametrically opposed effects in cancers has been reported, IL-18 has not been taken into consideration when interpreting clinical findings and conducting mechanism investigations related to IL-37 in cancer. We aim to review the recent progress in IL-18 and IL-37 research in cancer and summarize the correlation between IL-18 and IL-37 in cancer based on their expression level and underlying mechanisms, which would provide new insights into elucidating the conflicting roles of IL-18 and IL-37 in cancer and bring new ideas for translational research related to IL-18 and IL-37.
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Affiliation(s)
- Dongjie Wang
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Hong Kong, China
| | - Bitian Zhang
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Hong Kong, China
| | - Xiaolin Liu
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Hong Kong, China
| | - Lea Ling-Yu Kan
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Hong Kong, China
| | - Ping-Chung Leung
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Hong Kong, China
| | - Chun-Kwok Wong
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Hong Kong, China; Department of Chemical Pathology, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China; Li Dak Sum Yip Yio Chin R & D Centre for Chinese Medicine, The Chinese University of Hong Kong, Hong Kong, China.
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10
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Mesjasz A, Trzeciak M, Gleń J, Jaskulak M. Potential Role of IL-37 in Atopic Dermatitis. Cells 2023; 12:2766. [PMID: 38067193 PMCID: PMC10706414 DOI: 10.3390/cells12232766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 11/24/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023] Open
Abstract
Interleukin 37 (IL-37) is a recently discovered member of the IL-1 cytokine family that appears to have anti-inflammatory and immunosuppressive effects in various diseases. IL-37 acts as a dual-function cytokine, exerting its effect extracellularly by forming a complex with the receptors IL-18 α (IL-18Rα) and IL-1R8 and transmitting anti-inflammatory signals, as well as intracellularly by interacting with Smad3, entering the nucleus, and inhibiting the transcription of pro-inflammatory genes. Consequently, IL-37 is linked to IL-18, which plays a role in the pathogenesis of atopic dermatitis (AD), consistent with our studies. Some isoforms of IL-37 are expressed by keratinocytes, monocytes, and other skin immune cells. IL-37 has been found to modulate the skewed T helper 2 (Th2) inflammation that is fundamental to the pathogenesis of AD. This review provides an up-to-date summary of the function of IL-37 in modulating the immune system and analyses its potential role in the pathogenesis of AD. Moreover, it speculates on IL-37's hypothetical value as a therapeutic target in the treatment of AD.
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Affiliation(s)
- Alicja Mesjasz
- Dermatological Students Scientific Association, Department of Dermatology, Venereology and Allergology, Faculty of Medicine, Medical University of Gdansk, 80-214 Gdansk, Poland;
| | - Magdalena Trzeciak
- Department of Dermatology, Venereology and Allergology, Faculty of Medicine, Medical University of Gdansk, 80-214 Gdansk, Poland;
| | - Jolanta Gleń
- Department of Dermatology, Venereology and Allergology, Faculty of Medicine, Medical University of Gdansk, 80-214 Gdansk, Poland;
| | - Marta Jaskulak
- Department of Immunobiology and Environmental Microbiology, Faculty of Health Sciences, Medical University of Gdansk, 80-214 Gdansk, Poland;
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11
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Liu J, Huang J, Gong B, Cheng S, Liu Y, Chen Y, Feng Q, Li J, Qiu M, Yu G, Liao Y. Polydatin protects against calcium oxalate crystal-induced renal injury through the cytoplasmic/mitochondrial reactive oxygen species-NLRP3 inflammasome pathway. Biomed Pharmacother 2023; 167:115621. [PMID: 37793278 DOI: 10.1016/j.biopha.2023.115621] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/27/2023] [Accepted: 09/28/2023] [Indexed: 10/06/2023] Open
Abstract
BACKGROUND Oxidative stress and inflammatory responses are critical factors in calcium oxalate (CaOx) crystal-induced renal injury. Reactive oxygen species (ROS) are usually produced in the cytoplasm and mitochondria and trigger the priming and activation of the NLRP3 inflammasome, thereby regulating cytokines and inflammation. Polydatin is a plant rhizome extract with anti-inflammatory, antioxidant, and antitumor effects. However, it remains not clear whether and how these pathophysiological processes exists in CaOx crystal-induced renal inflammatory injury. METHODS Here, we measured the expression of the NLRP3 inflammasome, IL-18, IL-1β, intracellular and mitochondrial ROS (mtROS) levels and relevant morphological changes in treated renal tubular epithelial cells (TECs) and stone-forming rats. The study further explored the action of intracellular ROS and mtROS on these inflammatory damage, and the beneficial effects and pathway of polydatin. RESULTS We verified that CaOx crystal-induced cytoplasmic ROS and mtROS upregulation promoted the priming and activation of the NLRP3 inflammasome, thereby stimulating IL-18/1β maturation and activation. Polydatin can relieve oxidative stress and inflammatory damage by decreasing ROS. We further demonstrated that mtROS is the main target for polydatin to exert the NLRP3 inflammasome-regulating function. The inhibition of mtROS can effectively relieve the inflammatory damage to TECs and kidney caused by CaOx crystal. CONCLUSION These findings provide new insight into the relationship between mitochondrial damage and inflammation in nephrolithiasis and show that polydatin-mediated anti-inflammatory and antioxidative protection is a therapeutic strategy for, but not limited to, crystalline nephropathy.
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Affiliation(s)
- Jiannan Liu
- Department of Urology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Jianlin Huang
- Department of Urology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Bo Gong
- Department of Urology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Songtao Cheng
- Department of Urology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Yadong Liu
- Department of Urology, The First Affiliated Hospital of Harbin Medical University, Harbin 150001, China; Department of Urology, Ningbo First Hospital, Zhejiang 315000, China
| | - Yaodong Chen
- Department of Ultrasonic Imaging, The First Affiliated Hospital of Shanxi Medical University, Shanxi 030001, China
| | - Qiang Feng
- Department of Urology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Jun Li
- Department of Urology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Mingxing Qiu
- Department of Urology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Gui Yu
- Department of Urology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China.
| | - Yong Liao
- Department of Urology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China.
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Gu M, Jin Y, Gao X, Xia W, Xu T, Pan S. Novel insights into IL-37: an anti-inflammatory cytokine with emerging roles in anti-cancer process. Front Immunol 2023; 14:1278521. [PMID: 37928545 PMCID: PMC10623001 DOI: 10.3389/fimmu.2023.1278521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/09/2023] [Indexed: 11/07/2023] Open
Abstract
Interleukin-37 (IL-37) is a newly discovered member of IL-1 family. The cytokine was proved to have extensive protective effects in infectious diseases, allergic diseases, metabolic diseases, autoimmune diseases and tumors since its discovery. IL-37 was mainly produced by immune and some non-immune cells in response to inflammatory stimulus. The IL-37 precursors can convert into the mature forms after caspase-1 cleavage and activation intracellularly, and then bind to Smad-3 and transfer to the nucleus to inhibit the production and functions of proinflammatory cytokines; extracellularly, IL-37 binds to cell surface receptors to form IL-37/IL-18Rα/IL-1R8 complex to exert immunosuppressive function via inhibiting/activating multiple signal pathways. In addition, IL-37 can attenuate the pro-inflammatory effect of IL-18 through directly or forming an IL-37/IL-18BP/IL-18Rβ complex. Therefore, IL-37 has the ability to suppress innate and acquired immunity of the host, and effectively control inflammatory stimulation, which was considered as a new hallmark of cancer. Specifically, it is concluded that IL-37 can inhibit the growth and migration of tumor cells, prohibit angiogenesis and mediate the immunoregulation in tumor microenvironment, so as to exert effective anti-tumor effects. Importantly, latest studies also showed that IL-37 may be a novel therapeutic target for cancer monitoring. In this review, we summarize the immunoregulation roles and mechanisms of IL-37 in anti-tumor process, and discuss its progress so far and potential as tumor immunotherapy.
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Affiliation(s)
- Min Gu
- Department of Laboratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Branch of National Clinical Research Center for Laboratory Medicine, Nanjing, China
| | - Yuexinzi Jin
- Department of Laboratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Branch of National Clinical Research Center for Laboratory Medicine, Nanjing, China
| | - Xun Gao
- Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Wenying Xia
- Department of Laboratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Branch of National Clinical Research Center for Laboratory Medicine, Nanjing, China
| | - Ting Xu
- Department of Laboratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Branch of National Clinical Research Center for Laboratory Medicine, Nanjing, China
| | - Shiyang Pan
- Department of Laboratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Branch of National Clinical Research Center for Laboratory Medicine, Nanjing, China
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13
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Zhang Y, Alqazlan N, Meng Z, Zhao J, Liu N, Zhang Y, Feng M, Ma S, Wang A. A novel approach to achieving more efficient production of the mature form of human IL-37 in plants. Transgenic Res 2023; 32:279-291. [PMID: 37266895 DOI: 10.1007/s11248-023-00351-z] [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: 01/04/2023] [Accepted: 05/09/2023] [Indexed: 06/03/2023]
Abstract
Interleukin-37 is a newly discovered cytokine that plays a pivotal role in suppressing innate inflammation and acquired immunity. We have recently expressed both the mature(mat-) and pro-forms of human IL-37b in plants and demonstrated that while both forms of the plant-made hIL-37b are functional, pmat-hIL37b exhibited significantly greater activity than ppro-IL-37b. Compared to ppro-hIL-37b, on the other hand, the expression level of pmat-hIL-37b was substantially lower (100.5 µg versus 1.05 µg/g fresh leaf mass or 1% versus 0.01% TSP). Since the difference between ppro-hIL-37b and pmat-hIL-37b is that ppro-hIL-37b contains a signal sequence not cleavable by plant cells, we reasoned that this signal sequence would play a key role in stabilizing the ppro-hIL-37b protein. Here, we describe a novel approach to enhancing pmat-hIL-37b production in plants based on incorporation of a gene sequence encoding tobacco etch virus (TEV) protease between the signal peptide and the mature hIL-37b, including a TEV cleavage site at the C-termini of TEV protease. The rationale is that when expressed as a sp-TEV-matIL-37b fusion protein, the stabilizing properties of the signal peptide of pro-hIL-37b will be awarded to its fusion partners, resulting in increased yield of target proteins. The fusion protein is then expected to cleave itself in vivo to yield a mature pmat-hIL-37b. Indeed, when a sp-TEV-matIL-37b fusion gene was expressed in stable-transformed plants, a prominent band corresponding to dimeric pmat-hIL-37b was detected, with expression yields reaching 42.5 µg/g fresh leaf mass in the best expression lines. Bioassays demonstrated that plant-made mature pmat-hIL-37b is functional.
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Affiliation(s)
- Yao Zhang
- College of Horticulture and Landscape Architecture and College of Life Sciences, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Nadiyah Alqazlan
- Department of Biology, University of Western Ontario, London, ON, Canada
| | - Zihe Meng
- College of Horticulture and Landscape Architecture and College of Life Sciences, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Jingyao Zhao
- College of Hortculture and Lanscape Architecture, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Nan Liu
- College of Hortculture and Lanscape Architecture, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Yuxin Zhang
- College of Hortculture and Lanscape Architecture, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Mingfeng Feng
- College of Horticulture and Landscape Architecture and College of Life Sciences, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China
| | - Shengwu Ma
- Department of Biology, University of Western Ontario, London, ON, Canada.
| | - Aoxue Wang
- College of Horticulture and Landscape Architecture and College of Life Sciences, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China.
- College of Hortculture and Lanscape Architecture, Northeast Agricultural University, Harbin, 150030, Heilongjiang Province, People's Republic of China.
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Wang D, Wang F, Huang Y, Wang J, Luo H, Zhang P, Peng J, Tang G, Wang Y, Yu L, Ni D. TSLP/TSLPR promotes renal fibrosis by activating STAT3 in renal fibroblasts. Int Immunopharmacol 2023; 121:110430. [PMID: 37364323 DOI: 10.1016/j.intimp.2023.110430] [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: 03/23/2023] [Revised: 05/18/2023] [Accepted: 05/30/2023] [Indexed: 06/28/2023]
Abstract
Previous studies have demonstrated the importance of TSLP-TSLPR in inflammatory, allergic, and fibrotic diseases. However, their exact molecular mechanism in regulating renal fibrosis has not been fully explored yet. The current study identified the high expression levels of TSLP and TSLPR in human and mouse hydronephrotic tissues. In addition, immunofluorescence staining showed that TSLP was highly expressed in renal tubular cells, while TSLPR was mainly co-localized with α-SMA, a marker of fibroblasts. Knocking out TSLPR in the UUO model could alleviate the severity of renal fibrosis. Most importantly, the application of antibody blockade of TSLP reduced the fibrotic level in the UUO model. The functional analysis revealed that the hypoxic exposure could induce the overexpression of TSLP in renal tubular cells via HIF-1α. The tubular cell-derived TSLP could bind to the TSLPR of fibroblasts in a paracrine manner to activate them. Specifically, the HIF-1α/TSLP/TSLPR-axis could activate fibroblasts through the STAT3 signaling pathway. This study revealed a mechanistic interaction of HIF-1α/TSLP/TSLPR and STAT3 signaling pathways in the activation and proliferation of human and murine kidney fibroblasts; these pathways might be exploited as a therapeutic target in renal fibrosis.
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Affiliation(s)
- Decai Wang
- Department of Urology, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang 621000, China
| | - Fan Wang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yu Huang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jianjun Wang
- Department of Hepatobiliary Surgery, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang 621000, China
| | - Huiwen Luo
- Nuclear Medicine Laboratory of Mianyang Central Hospital, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang 621000, China
| | - Pu Zhang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jingtao Peng
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Gang Tang
- Tianma Town Public Health Centre, Dujiangyan City, Chengdu 611830, China
| | - Yaodong Wang
- Department of Urology, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang 621000, China
| | - Li Yu
- Department of Periodontics & Oral Mucosal Diseases, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou 646000, China; Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, The Affiliated Stomatology Hospital of Southwest Medical University, Luzhou 646000, China.
| | - Dong Ni
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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15
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A Moneim NH, Hosny MM, Omar HH, Abdelnaby MM, Fouad MM, Abd El-Waheed WO, Elmedany SH, Zaki HM. Relative CTLA-4, PTPN-22, and interleukin 37 mRNA expressions in patients with lupus nephritis. REUMATOLOGIA CLINICA 2023; 19:180-187. [PMID: 37061279 DOI: 10.1016/j.reumae.2023.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 05/10/2022] [Indexed: 04/17/2023]
Abstract
OBJECTIVES Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by T-cell immune-dysregulation and loss of tolerance to self-antigens. CTLA-4 and PTPN-22 are involved in the inhibition of T-lymphocytes activation. IL-37 is an anti-inflammatory cytokine that suppresses innate immunity. The relative expression of CTLA-4, IL-37 and PTPN-22 were evaluated as negative regulators of immune response in SLE patients, lupus nephritis (LN) and disease activity. METHODS Real-Time PCR was performed to determine relative CTLA-4, IL-37, and PTPN-22 mRNA expressions in fifty-eight SLE patients, who were divided into two groups: 29 SLE patients without nephritis and 29 patients with LN, versus fifty controls. RESULTS There was a significantly high-expression of CTLA-4 and IL-37 genes in SLE patients compared to controls (p=0.005; 0.018 respectively). There was no difference in relative PTPN-22 mRNA expression between the SLE patients and controls. Relative CTLA-4 mRNA expression decreased in LN patients (p=0.044), however, relative IL-37 mRNA over-expressed in LN patients (p=0.001) compared to those without LN. There was a significant over-expression of relative IL-37 andPTPN-22 mRNA in active SLE patients. But, there was a non-significant difference in CTLA-4 expression with disease activity. Regression analysis revealed patients with relative IL-37 mRNA over-expression had two times more to develop lupus nephritis (OR=1.906, 95% CI=1.218-2.983, p=0.005). CONCLUSIONS Relative IL-37mRNA expression was elevated in SLE patients and associated with renal involvement and disease activity. It could be considered as a new promising predicting tool for LN. Relative PTPN-22 mRNA expression was correlated with disease activity only in SLE patients.
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Affiliation(s)
- Nermeen Hassan A Moneim
- Department of Physical Medicine, Rheumatology and Rehabilitation, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Marwa Mohamed Hosny
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt; Oncology Diagnostic Unit Lab, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Hanan Hassan Omar
- Department of Clinical Pathology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt.
| | - Mai Mohamed Abdelnaby
- Department of Physical Medicine, Rheumatology and Rehabilitation, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Marwa Mohamed Fouad
- Department of Microbiology and Immunology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Waleed Omar Abd El-Waheed
- Department of Internal Medicine, Nephrology Unit, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Samah Hamdy Elmedany
- Department of Physical Medicine, Rheumatology and Rehabilitation, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Heba Mohamed Zaki
- Department of Internal Medicine, Nephrology Unit, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
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16
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Chen J, Song Y, Liu Y, Chen W, Cen Y, You M, Yang G. DBP and BaP co-exposure induces kidney injury via promoting pyroptosis of renal tubular epithelial cells in rats. CHEMOSPHERE 2023; 314:137714. [PMID: 36592837 DOI: 10.1016/j.chemosphere.2022.137714] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/19/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Dibutyl phthalate (DBP) and benzo(a)pyrene (BaP) are widespread environmental and foodborne contaminants that have detrimental effects on human health. Although people are often simultaneously exposed to DBP and BaP via the intake of polluted food and water, the combined effects on the kidney and potential mechanisms remain unclear. Hence, we treated rats with DBP and BaP for 90 days to investigate their effects on kidney histopathology and function. We also investigated the levels of paramount proteins and genes involved in pyroptosis and TLR4/NF-κB p65 signaling in the kidney. Our research showed that combined exposure to DBP and BaP triggered more severe histopathological and renal function abnormalities than in those exposed to DBP or BaP alone. Simultaneously, combined exposure to DBP and BaP enhanced the excretion of IL-1β and IL-18, along with the release of LDH in rat renal tubular epithelial cells (RTECs). Moreover, combined exposure to DBP and BaP increased the expression of pyroptosis marker molecules, including NLRP3, ASC, cleaved-Caspase-1, and GSDMD. Meanwhile, the combination of DBP and BaP activated TLR4/NF-κB signaling in the kidney. Taken together, the combined exposure to DBP and BaP causes more severe kidney injury than that caused by DBP or BaP exposure separately. In addition, pyroptosis of RTECs regulated by TLR4/NF-κB signaling may add to the kidney damage triggered by combined exposure to DBP and BaP.
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Affiliation(s)
- Jing Chen
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Yawen Song
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Yining Liu
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Wenyan Chen
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Yanli Cen
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Mingdan You
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, China.
| | - Guanghong Yang
- Guizhou Provincial Center for Disease Control and Prevention, Guiyang, Guizhou, 550004, China; School of Public Health, Guizhou Medical University, Guiyang, Guizhou, 550025, China.
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17
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Li DD, Li N, Cai C, Wei CM, Liu GH, Wang TH, Xu FR. A molecular network-based pharmacological study on the protective effect of Panax notoginseng rhizomes against renal ischemia-reperfusion injury. Front Pharmacol 2023; 14:1134408. [PMID: 37144215 PMCID: PMC10151715 DOI: 10.3389/fphar.2023.1134408] [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: 12/30/2022] [Accepted: 04/03/2023] [Indexed: 05/06/2023] Open
Abstract
Objective: We aimed to explore the protective effect of Panax notoginseng rhizomes (PNR) on renal ischemia and reperfusion injury (RIRI) and the underlying molecular network mechanism based on network pharmacology and combined systemic experimental validation. Methods: A bilateral RIRI model was established, and Cr, SCr, and BUN levels were detected. Then, the PNR was pretreated 1 week before the RIRI model was prepared. To determine the effects of the PNR in RIRI, histopathological damage and the effect of PNRs to the kidney was assessed, using TTC, HE, and TUNEL staining. Furthermore, the underlying network pharmacology mechanism was detected by screening drug-disease intersection targets from PPI protein interactions and GO and KEGG analysis, and the hub genes were screened for molecular docking based on the Degree value. Finally, the expression of hub genes in kidney tissues was verified by qPCR, and the protein expression of related genes was further detected by Western blot (WB). Results: PNR pretreatment could effectively increase Cr level, decrease SCr and BUN levels, reduce renal infarct areas and renal tubular cell injury areas, and inhibit renal cell apoptosis. By using network pharmacology combined with bioinformatics, we screened co-targets both Panax notoginseng (Sanchi) and RIRI, acquired ten hub genes, and successfully performed molecular docking. Of these, pretreatment with the PNR reduced the mRNA levels of IL6 and MMP9 at postoperative day 1 and TP53 at postoperative day 7, and the protein expression of MMP9 at postoperative day 1 in IRI rats. These results showed that the PNR could decrease kidney pathological injury in IRI rats and inhibit apoptotic reaction and cell inflammation so as to improve renal injury effectively, and the core network mechanism is involved in the inhibition of MMP9, TP53, and IL-6. Conclusion: The PNR has a marked protective effect for RIRI, and the underlying mechanism is involved in inhibiting the expression of MMP9, TP53, and IL-6. This striking discovery not only provides fruitful evidence for the protective effect of the PNR in RIRI rats but also provides a novel mechanic explanation.
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Affiliation(s)
- Dan-Dan Li
- Yunnan Key Laboratory of Dai and Yi Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Na Li
- Department of Laboratory Animal Science, Kunming Medical University, Kunming, Yunnan, China
| | - Chui Cai
- Yunnan Key Laboratory of Dai and Yi Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Chun-Mian Wei
- Yunnan Key Laboratory of Dai and Yi Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Guang-Hua Liu
- Yunnan Key Laboratory of Dai and Yi Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Ting-Hua Wang
- Department of Laboratory Animal Science, Kunming Medical University, Kunming, Yunnan, China
- *Correspondence: Ting-Hua Wang, ; Fu-Rong Xu,
| | - Fu-Rong Xu
- Yunnan Key Laboratory of Dai and Yi Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- *Correspondence: Ting-Hua Wang, ; Fu-Rong Xu,
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18
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Nold-Petry CA, Nold MF. Rationale for IL-37 as a novel therapeutic agent in inflammation. Expert Rev Clin Immunol 2022; 18:1203-1206. [PMID: 35916240 DOI: 10.1080/1744666x.2022.2108792] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Claudia A Nold-Petry
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.,Department of Paediatrics, School of Clinical Sciences, Monash University, Melbourne, Australia
| | - Marcel F Nold
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, Australia.,Department of Paediatrics, School of Clinical Sciences, Monash University, Melbourne, Australia.,Monash Newborn, Monash Children's Hospital, Melbourne, Australia
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Esam D, Abdel-Moneim A, Mahmoud B, Abdel-Gabbar M. Role of nuclear factor kappa B, interleukin-19, interleukin-34, and interleukin-37 expression in diabetic nephropathy. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2022. [DOI: 10.1186/s43088-022-00299-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The long-term effects of diabetes mellitus (DM) can impair several organs, including the kidney, resulting in serious health problems. Diabetic nephropathy (DN), a primary contributor in end-stage renal failure worldwide, affects 20–30% of patients with type 2 DM (T2DM). This study was designed to assess the contribution of nuclear factor kappa B (NF-κB) and interleukin (IL)-6, IL-19, IL-34, and IL-37 in the development of DN.
Methods
The study included 160 participants, of which 130 were allocated into the patients with diabetes group, patients with chronic kidney disease (CKD), and patients with diabetic chronic kidney disease (DCKD), and 30 were healthy controls.
Results
The obtained data revealed a significant (p < 0.05) increase in IL-19, IL-34, and NF-κB mRNA expression and serum IL-6 levels in patient groups (CKD and DCKD) compared with the healthy control group, whereas IL-19, IL-34, and NF-κB mRNA expression showed a marked elevation in the DCKD group when compared with patients with CKD. Conversely, IL-37 mRNA expression and serum superoxide dismutase (SOD) activity were significantly (p < 0.05) decreased in both groups relative to the healthy controls, whereas the decrease was markedly higher in the DCKD group when compared with the CKD group.
Conclusion
The obtained results could indicate the potential implication of NF-κB, IL-19, IL-34, and IL-6 levels, along with the decrease in IL-37 expression and serum SOD activity, in the pathophysiology of kidney disease in diabetes. Moreover, designing drugs targeting these cytokines and/or their signal pathways may prevent or alleviate the progression of kidney disease.
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Wu T, Xu K, Liu C, Li Y, Li M. Interleukin-37 ameliorates cigarette smoke-induced lung inflammation in mice. Biomed Pharmacother 2022; 155:113684. [PMID: 36088857 DOI: 10.1016/j.biopha.2022.113684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/30/2022] [Accepted: 09/07/2022] [Indexed: 11/02/2022] Open
Abstract
Cigarette smoking (CS) is the leading cause of chronic obstructive pulmonary disease, and its severity is closely related to lung inflammation. Interleukin (IL)-37 is a newly discovered member of the IL-1 family with anti-inflammatory activity. Our study aimed to elucidate the effect of IL-37 on CS-induced lung inflammation in mice. In this study, mice were exposed to six cigarettes for 1 h three times daily (4 h smoke-free intervals) for 10 consecutive days. Mice were treated intranasally with IL-37-expressing lentivirus and empty lentivirus particles 1 day before the first CS or sham exposure. Mice were sacrificed on day 11 to evaluate the effect of IL-37 on CS-induced pulmonary inflammation in mice. Administering IL-37-expressing lentivirus significantly reduced CS-induced weight loss in mice compared to empty lentivirus controls (P < 0.05). Histological analysis showed that IL-37 significantly alleviated inflammatory cell recruitment, alveolar septum enlargement, alveolar wall attenuation, mucus hypersecretion, and goblet cell metaplasia in mouse lungs (P < 0.001). IL-37 expression also significantly inhibited CS-induced increases in inflammatory cells (including lymphocytes, neutrophils, and macrophages) in mouse lungs (P < 0.05), as well as pro-inflammatory cytokines such as IL-1β, IL-6, IL-17, monocyte chemotactic protein-1 and tumor necrosis factor-α production (P < 0.05). IL-37 also significantly reduced myeloperoxidase activity in mouse serum (P < 0.01) and lung tissues (P < 0.001). Therefore, IL-37 can ameliorate CS-induced pulmonary inflammation in mice and IL-37 may be a potential therapeutic strategy for CS-induced lung inflammatory diseases.
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Affiliation(s)
- Tingting Wu
- Department of Pulmonary and Critical Care Medicine, The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China; Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo 315211, China
| | - Keye Xu
- Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo 315211, China
| | - Chaobo Liu
- Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo 315211, China
| | - Yan Li
- Department of Pulmonary and Critical Care Medicine, The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China; Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo 315211, China.
| | - Mingcai Li
- Department of Pulmonary and Critical Care Medicine, The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China; Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo 315211, China.
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21
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Park SY, Hisham Y, Shin HM, Yeom SC, Kim S. Interleukin-18 Binding Protein in Immune Regulation and Autoimmune Diseases. Biomedicines 2022; 10:biomedicines10071750. [PMID: 35885055 PMCID: PMC9313042 DOI: 10.3390/biomedicines10071750] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/13/2022] [Accepted: 07/16/2022] [Indexed: 12/28/2022] Open
Abstract
Natural soluble antagonist and decoy receptor on the surface of the cell membrane are evolving as crucial immune system regulators as these molecules are capable of recognizing, binding, and neutralizing (so-called inhibitors) their targeted ligands. Eventually, these soluble antagonists and decoy receptors terminate signaling by prohibiting ligands from connecting to their receptors on the surface of cell membrane. Interleukin-18 binding protein (IL-18BP) participates in regulating both Th1 and Th2 cytokines. IL-18BP is a soluble neutralizing protein belonging to the immunoglobulin (Ig) superfamily as it harbors a single Ig domain. The Ig domain is essential for its binding to the IL-18 ligand and holds partial homology to the IL-1 receptor 2 (IL-1R2) known as a decoy receptor of IL-1α and IL-1β. IL-18BP was defined as a unique soluble IL-18BP that is distinct from IL-18Rα and IL-18Rβ chain. IL-18BP is encoded by a separated gene, contains 8 exons, and is located at chr.11 q13.4 within the human genome. In this review, we address the difference in the biological activity of IL-18BP isoforms, in the immunity balancing Th1 and Th2 immune response, its critical role in autoimmune diseases, as well as current clinical trials of recombinant IL-18BP (rIL-18BP) or equivalent.
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Affiliation(s)
- Seung Yong Park
- College of Veterinary Medicine, Konkuk University, Seoul 05029, Korea;
| | - Yasmin Hisham
- Laboratory of Cytokine Immunology, Department of Biomedical Science and Technology, Konkuk University, Seoul 05029, Korea;
| | - Hyun Mu Shin
- System Immunology, Wide River Institute of Immunology, Collage of Medicine, Seoul National University, Hongcheon-gun 25159, Korea;
| | - Su Cheong Yeom
- Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang 25354, Korea;
| | - Soohyun Kim
- College of Veterinary Medicine, Konkuk University, Seoul 05029, Korea;
- Laboratory of Cytokine Immunology, Department of Biomedical Science and Technology, Konkuk University, Seoul 05029, Korea;
- Correspondence: ; Tel.: +82-2-457-0868
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22
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Blocking connexin 43 and its promotion of ATP release from renal tubular epithelial cells ameliorates renal fibrosis. Cell Death Dis 2022; 13:511. [PMID: 35641484 PMCID: PMC9156700 DOI: 10.1038/s41419-022-04910-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 04/26/2022] [Accepted: 05/03/2022] [Indexed: 02/08/2023]
Abstract
Whether metabolites derived from injured renal tubular epithelial cells (TECs) participate in renal fibrosis is poorly explored. After TEC injury, various metabolites are released and among the most potent is adenosine triphosphate (ATP), which is released via ATP-permeable channels. In these hemichannels, connexin 43 (Cx43) is the most common member. However, its role in renal interstitial fibrosis (RIF) has not been fully examined. We analyzed renal samples from patients with obstructive nephropathy and mice with unilateral ureteral obstruction (UUO). Cx43-KSP mice were generated to deplete Cx43 in TECs. Through transcriptomics, metabolomics, and single-cell sequencing multi-omics analysis, the relationship among tubular Cx43, ATP, and macrophages in renal fibrosis was explored. The expression of Cx43 in TECs was upregulated in both patients and mice with obstructive nephropathy. Knockdown of Cx43 in TECs or using Cx43-specific inhibitors reduced UUO-induced inflammation and fibrosis in mice. Single-cell RNA sequencing showed that ATP specific receptors, including P2rx4 and P2rx7, were distributed mainly on macrophages. We found that P2rx4- or P2rx7-positive macrophages underwent pyroptosis after UUO, and in vitro ATP directly induced pyroptosis by macrophages. The administration of P2 receptor or P2X7 receptor blockers to UUO mice inhibited macrophage pyroptosis and demonstrated a similar degree of renoprotection as Cx43 genetic depletion. Further, we found that GAP 26 (a Cx43 hemichannel inhibitor) and A-839977 (an inhibitor of the pyroptosis receptor) alleviated UUO-induced fibrosis, while BzATP (the agonist of pyroptosis receptor) exacerbated fibrosis. Single-cell sequencing demonstrated that the pyroptotic macrophages upregulated the release of CXCL10, which activated intrarenal fibroblasts. Cx43 mediates the release of ATP from TECs during renal injury, inducing peritubular macrophage pyroptosis, which subsequently leads to the release of CXCL10 and activation of intrarenal fibroblasts and acceleration of renal fibrosis.
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23
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Thomas JM, Huuskes BM, Sobey CG, Drummond GR, Vinh A. The IL-18/IL-18R1 signalling axis: Diagnostic and therapeutic potential in hypertension and chronic kidney disease. Pharmacol Ther 2022; 239:108191. [PMID: 35461924 DOI: 10.1016/j.pharmthera.2022.108191] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 02/06/2023]
Abstract
Chronic kidney disease (CKD) is inherently an inflammatory condition, which ultimately results in the development of end stage renal disease or cardiovascular events. Low-grade inflammatory diseases such as hypertension and diabetes are leading causes of CKD. Declines in renal function correlate with elevated circulating pro-inflammatory cytokines in patients with these conditions. The inflammasome is an important inflammatory signalling platform that has been associated with low-grade chronic inflammatory diseases. Notably, activation and assembly of the inflammasome causes the auto cleavage of pro-caspase-1 into its active form, which then processes the pro-inflammatory cytokines pro-interleukin (IL)-1β and pro-IL-18 into their active forms. Currently, the nod-like receptor protein 3 (NLRP3) inflammasome has been implicated in the development of CKD in pre-clinical and clinical settings, and the ablation or inhibition of inflammasome components have been shown to be reno-protective in models of CKD. While clinical trials have demonstrated that neutralisation of IL-1β signalling by the drug anakinra lowers inflammation markers in haemodialysis patients, ongoing preclinical studies are showing that this ability to attenuate disease is limited in progressive models of kidney disease. These results suggest a potential predominant role for IL-18 in the development of CKD. This review will discuss the role of the inflammasome and its pro-inflammatory product IL-18 in the development of renal fibrosis and inflammation that contribute to the pathophysiology of CKD. Furthermore, we will examine the potential of the IL-18 signalling axis as an anti-inflammatory target in CKD and its usefulness as diagnostic biomarker to predict acute kidney injury.
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Affiliation(s)
- Jordyn M Thomas
- Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Brooke M Huuskes
- Centre for Cardiovascular Biology and Disease Research, Department of Microbiology, Anatomy, Physiology & Pharmacology, School of Agriculture, Biomedicine and Environment, La Trobe University, Bundoora, Victoria, Australia
| | - Christopher G Sobey
- Centre for Cardiovascular Biology and Disease Research, Department of Microbiology, Anatomy, Physiology & Pharmacology, School of Agriculture, Biomedicine and Environment, La Trobe University, Bundoora, Victoria, Australia
| | - Grant R Drummond
- Centre for Cardiovascular Biology and Disease Research, Department of Microbiology, Anatomy, Physiology & Pharmacology, School of Agriculture, Biomedicine and Environment, La Trobe University, Bundoora, Victoria, Australia.
| | - Antony Vinh
- Centre for Cardiovascular Biology and Disease Research, Department of Microbiology, Anatomy, Physiology & Pharmacology, School of Agriculture, Biomedicine and Environment, La Trobe University, Bundoora, Victoria, Australia
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24
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Interleukin-37 promotes colitis-associated carcinogenesis via SIGIRR-mediated cytotoxic T cells dysfunction. Signal Transduct Target Ther 2022; 7:19. [PMID: 35046386 PMCID: PMC8770466 DOI: 10.1038/s41392-021-00820-z] [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: 05/11/2021] [Revised: 10/05/2021] [Accepted: 10/12/2021] [Indexed: 02/05/2023] Open
Abstract
Interleukin-37b (hereafter called IL-37) was identified as fundamental inhibitor of natural and acquired immunity. The molecular mechanism and function of IL-37 in colorectal cancer (CRC) has been elusive. Here, we found that IL-37 transgenic (IL-37tg) mice were highly susceptible to colitis-associated colorectal cancer (CAC) and suffered from dramatically increased tumor burdens in colon. Nevertheless, IL-37 is dispensable for intestinal mutagenesis, and CRC cell proliferation, apoptosis, and migration. Notably, IL-37 dampened protective cytotoxic T cell-mediated immunity in CAC and B16-OVA models. CD8+ T cell dysfunction is defined by reduced retention and activation as well as failure to proliferate and produce cytotoxic cytokines in IL-37tg mice, enabling tumor evasion of immune surveillance. The dysfunction led by IL-37 antagonizes IL-18-induced proliferation and effector function of CD8+ T cells, which was dependent on SIGIRR (single immunoglobulin interleukin-1 receptor-related protein). Finally, we observed that IL-37 levels were significantly increased in CRC patients, and positively correlated with serum CRC biomarker CEA levels, but negatively correlated with the CD8+ T cell infiltration in CRC patients. Our findings highlight the role of IL-37 in harnessing antitumor immunity by inactivation of cytotoxic T cells and establish a new defined inhibitory factor IL-37/SIGIRR in cancer-immunity cycle as therapeutic targets in CRC.
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Parvin S, Williams CR, Jarrett SA, Garraway SM. Spinal Cord Injury Increases Pro-inflammatory Cytokine Expression in Kidney at Acute and Sub-chronic Stages. Inflammation 2021; 44:2346-2361. [PMID: 34417952 PMCID: PMC8616867 DOI: 10.1007/s10753-021-01507-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 06/21/2021] [Indexed: 11/26/2022]
Abstract
Accumulating evidence supports that spinal cord injury (SCI) produces robust inflammatory plasticity. We previously showed that the pro-inflammatory cytokine tumor necrosis factor (TNF)α is increased in the spinal cord after SCI. SCI also induces a systemic inflammatory response that can impact peripheral organ functions. The kidney plays an important role in maintaining cardiovascular health. However, SCI-induced inflammatory response in the kidney and the subsequent effect on renal function have not been well characterized. This study investigated the impact of high and low thoracic (T) SCI on C-fos, TNFα, interleukin (IL)-1β, and IL-6 expression in the kidney at acute and sub-chronic timepoints. Adult C57BL/6 mice received a moderate contusion SCI or sham procedures at T4 or T10. Uninjured mice served as naïve controls. mRNA levels of the proinflammatory cytokines IL-1β, IL-6, TNFα, and C-fos, and TNFα and C-fos protein expression were assessed in the kidney and spinal cord 1 day and 14 days post-injury. The mRNA levels of all targets were robustly increased in the kidney and spinal cord, 1 day after both injuries. Whereas IL-6 and TNFα remained elevated in the spinal cord at 14 days after SCI, C-fos, IL-6, and TNFα levels were sustained in the kidney only after T10 SCI. TNFα protein was significantly upregulated in the kidney 1 day after both T4 and T10 SCI. Overall, these results clearly demonstrate that SCI induces robust systemic inflammation that extends to the kidney. Hence, the presence of renal inflammation can substantially impact renal pathophysiology and function after SCI.
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Affiliation(s)
- Shangrila Parvin
- Department of Physiology, Emory University School of Medicine, 615 Michael Street, Suite 605G, Atlanta, GA 30322 USA
| | - Clintoria R. Williams
- Department of Physiology, Emory University School of Medicine, 615 Michael Street, Suite 605G, Atlanta, GA 30322 USA
- Neuroscience, Cell Biology and Physiology, Wright State University, Dayton, OH USA
| | - Simone A. Jarrett
- Department of Physiology, Emory University School of Medicine, 615 Michael Street, Suite 605G, Atlanta, GA 30322 USA
| | - Sandra M. Garraway
- Department of Physiology, Emory University School of Medicine, 615 Michael Street, Suite 605G, Atlanta, GA 30322 USA
- Department of Physiology, Emory University School of Medicine, 615 Michael Street, Suite 605G, Atlanta, GA 30322 USA
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26
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Extracellular IL-37 promotes osteogenic and odontogenic differentiation of human dental pulp stem cells via autophagy. Exp Cell Res 2021; 407:112780. [PMID: 34411610 DOI: 10.1016/j.yexcr.2021.112780] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 08/02/2021] [Accepted: 08/07/2021] [Indexed: 01/08/2023]
Abstract
The osteogenic and odontogenic differentiation of dental pulp stem cells (DPSCs) contribute to restoration and regeneration of dental tissue. Previous study indicated that interleukin-37 (IL-37) was an anti-inflammatory factor that affected other pro-inflammatory signals. The aim of this study was to explore the effects of IL-37 on the differentiation of DPSCs. DPSCs were cultured in growth medium with different concentrations of IL-37. We selected the optimal concentration for the following experiments by alkaline phosphatase (ALP) activity analysis, quantitative reverse-transcription polymerase chain reaction (qRT-PCR) and Western blot. Cell counting kit assay (CCK-8) and 5-Ethynyl-2'-Deoxyuridine (EdU) assay were conducted to assess the effects of IL-37 on the proliferation of DPSCs. ALP activity assay and staining, alizarin red S (ARS) staining, qRT-PCR, Western blot as well as immunofluorescence staining were conducted to assess differentiation ability of DPSCs. Western blot, immunofluorescence staining and transmission electron microscopy (TEM) were utilized to examine cell autophagy. Results showed that IL-37 enhanced the osteogenic and odontogenic differentiation ability of DPSCs with no significant influence on the proliferation of DPSCs. Autophagy in DPSCs was activated by IL-37. Activation of autophagy enhanced osteogenesis and odontogenesis of DPSCs, whereas inhibition of autophagy suppressed DPSCs osteogenic and odontogenic differentiation. In conclusion, IL-37 increased osteogenic and odontogenic differentiation via autophagy.
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27
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Wang H, Fang Z, Qiu G, Zhang C, Tang M, Zhou B. Bioprotective and Functional Effect of Carnosine on Sepsis Induced Renal Damage in Male Albino Rat Model through Targeting IL-1β and TNF-α Production. DOKL BIOCHEM BIOPHYS 2021; 500:408-414. [PMID: 34697750 DOI: 10.1134/s1607672921050033] [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: 05/15/2021] [Revised: 06/29/2021] [Accepted: 06/30/2021] [Indexed: 11/23/2022]
Abstract
Acute kidney injury (AKI), one of the frequently diagnosed and serious sepsis induced complication has high morbidity and mortality. The present study investigated the bioprotective and functional effect of carnosine on AKI induced pathological damage in Male Albino rat model in vivo. AKI in Albino rats was induced by cecal ligation and puncture surgery where as TNF-α and IL-1β levels were detected using ELISA assay. Protein expression was examined by western blotting and pathological damage using hematoxylin and eosin (H&E). Treatment with carnosine suppressed AKI induced urea nitrogen and creatinine in Male Albino rat serum in dose-dependent manner. Development of sepsis mediated renal injury in Albino rats was also effectively prevented on treatment with carnosine. Secretion of AKI-induced IL-1β, IL-18, and TNF-α in renal tissues was alleviated significantly in Albino rats by carnosine treatment. Additionally, in carnosine-treated Albino rats renal tissues AKI induced Bax expression was alleviated while as Bcl-2 was promoted compared to AKI Albino rats. Carnosine treatment improved the survival rate of the Albino rats with AKI. Carnosine inhibits renal tissue damage and increases survival rate in AKI Albino rat model. The mechanism involves alleviation of inflammatory cytokine secretion and promotion of Bcl-2 expression. Thus, carnosine may be used as a therapeutic agent for treatment of AKI.
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Affiliation(s)
- Hongyang Wang
- Department of Emergency, The First People's Hospital of Linhai, 317000, Linhai, Zhejiang, China
| | - Zuochun Fang
- Department of Intensive care medicine, Zhejiang Cangnan TCM Hospital, 325800, Cangnan, Zhejiang, China
| | - Guoqiang Qiu
- Department of Pharmacy, Zhangzhou Hospital Affiliated to Fujian Medical University, 363000, Zhangzhou, Fujian, China
| | - Chuang Zhang
- Department of Emergency, Taizhou Hospital of Zhejiang Province, 317000, Linhai, Zhejiang, China
| | - Min Tang
- Department of Emergency, The First People's Hospital of Linhai, 317000, Linhai, Zhejiang, China
| | - Bin Zhou
- Department of Traditional Chinese Medicine, Air Force No. 986 Hospital, 710054, Xi'an, China.
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28
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Zhao P, Yao Q, Zhang PJ, The E, Zhai Y, Ao L, Jarrett MJ, Dinarello CA, Fullerton DA, Meng X. Single-cell RNA-seq reveals a critical role of novel pro-inflammatory EndMT in mediating adverse remodeling in coronary artery-on-a-chip. SCIENCE ADVANCES 2021; 7:eabg1694. [PMID: 34417174 PMCID: PMC8378826 DOI: 10.1126/sciadv.abg1694] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 06/30/2021] [Indexed: 05/09/2023]
Abstract
A three-dimensional microengineered human coronary artery-on-a-chip was developed for investigation of the mechanism by which low and oscillatory shear stress (OSS) induces pro-atherogenic changes. Single-cell RNA sequencing revealed that OSS induced distinct changes in endothelial cells (ECs) including pro-inflammatory endothelial-to-mesenchymal transition (EndMT). OSS promoted pro-inflammatory EndMT through the Notch1/p38 MAPK-NF-κB signaling axis. Moreover, OSS-induced EC phenotypic changes resulted in proliferation and extracellular matrix (ECM) protein up-regulation in smooth muscle cells (SMCs) through the RANTES-mediated paracrine mechanism. IL-37 suppressed OSS-induced pro-inflammatory EndMT and thereby abrogated SMC proliferation and ECM protein remodeling. Overall, this study provides insights into endothelial heterogeneity under atheroprone shear stress and identifies the mechanistic role of a novel EC subtype in promoting adverse vascular remodeling. Further, this study demonstrates that anti-inflammatory approach is capable of mitigating vascular pathobiology evoked by atheroprone shear stress.
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Affiliation(s)
- Peng Zhao
- Department of Surgery, University of Colorado Denver, Aurora, CO, USA
| | - Qingzhou Yao
- Department of Surgery, University of Colorado Denver, Aurora, CO, USA
| | - Pei-Jian Zhang
- Department of Surgery, University of Colorado Denver, Aurora, CO, USA
| | - Erlinda The
- Department of Surgery, University of Colorado Denver, Aurora, CO, USA
| | - Yufeng Zhai
- Department of Surgery, University of Colorado Denver, Aurora, CO, USA
| | - Lihua Ao
- Department of Surgery, University of Colorado Denver, Aurora, CO, USA
| | - Michael J Jarrett
- Department of Surgery, University of Colorado Denver, Aurora, CO, USA
| | | | - David A Fullerton
- Department of Surgery, University of Colorado Denver, Aurora, CO, USA
| | - Xianzhong Meng
- Department of Surgery, University of Colorado Denver, Aurora, CO, USA.
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29
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Hou T, Tsang MS, Chu IM, Kan LL, Hon K, Leung T, Lam CW, Wong C. Skewed inflammation is associated with aberrant interleukin-37 signaling pathway in atopic dermatitis. Allergy 2021; 76:2102-2114. [PMID: 33569791 DOI: 10.1111/all.14769] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 01/04/2021] [Accepted: 01/08/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Atopic dermatitis (AD) is a severe global burden on physical, physiological, and mental health. The role of IL-37, a fundamental inhibitor of immunity, in AD was herein explored. METHOD Serum levels of IL-37 and T helper (Th) 2-related inflammatory mediators were quantified in subjects with or without AD. The expression of IL-37 receptors was determined by flow cytometry. Proteomics was employed to explore the serum protein profile and novel biomarkers. In vitro cell model, 3D-keratinocytes mimicking skin model, and the serum of subjects with or without AD were investigated to verify the proteomic results. RESULTS AD patients were found to present with higher levels of total and specific IgE as well as Th2 inflammatory mediators compared with healthy controls (HC). IL-37 level and its receptor IL18Rɑ expression in AD patients were significantly decreased, together with increased population of eosinophils, indicating that the signaling of IL37/IL18Rɑ was dampened. In addition, proteomic analysis revealed a significantly differential protein profile of AD patients compared with HC. IL-37 showed the strongest negative correlation with involucrin, a keratinizing epithelia protein. IL-37 was verified to suppress induced involucrin expression in in vitro skin cell models. AD patients show a significantly higher serum concentration of involucrin compared with HC. Together, our results demonstrated that IL-37 plays a regulatory role in AD. Its deficiency may lead to the aberrant involucrin expression in AD. CONCLUSIONS The dysregulation of serum protein and skin disruption in AD is related to the insufficiency of IL-37 and its attenuated anti-inflammatory signaling.
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Affiliation(s)
- Tianheng Hou
- Department of Chemical Pathology Prince of Wales HospitalThe Chinese University of Hong Kong Hong Kong China
| | - Miranda Sin‐Man Tsang
- Department of Chemical Pathology Prince of Wales HospitalThe Chinese University of Hong Kong Hong Kong China
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants The Chinese University of Hong Kong Hong Kong China
| | - Ida Miu‐Ting Chu
- Department of Chemical Pathology Prince of Wales HospitalThe Chinese University of Hong Kong Hong Kong China
| | - Lea Ling‐Yu Kan
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants The Chinese University of Hong Kong Hong Kong China
| | - Kam‐Lun Hon
- Department of Paediatrics The Chinese University of Hong KongPrince of Wales Hospital Hong Kong China
| | - Ting‐Fan Leung
- Department of Paediatrics The Chinese University of Hong KongPrince of Wales Hospital Hong Kong China
| | - Christopher Wai‐Kei Lam
- Faculty of Medicine and State Key Laboratory of Quality Research in Chinese Medicines Macau University of Science and Technology Macau China
| | - Chun‐Kwok Wong
- Department of Chemical Pathology Prince of Wales HospitalThe Chinese University of Hong Kong Hong Kong China
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants The Chinese University of Hong Kong Hong Kong China
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30
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He Y, Xiong T, Guo F, Du Z, Fan Y, Sun H, Feng Z, Zhang G. Interleukin-37b inhibits the growth of murine endometriosis-like lesions by regulating proliferation, invasion, angiogenesis and inflammation. Mol Hum Reprod 2021; 26:240-255. [PMID: 32119739 DOI: 10.1093/molehr/gaaa014] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Revised: 01/28/2020] [Accepted: 02/06/2020] [Indexed: 12/17/2022] Open
Abstract
Endometriosis is a gynecological disease with abnormal expression of interleukin (IL)-37 which can suppress inflammation and the immune system. Here we investigated the role of the IL-37b splice variant in endometriosis in vivo and in vitro. In a murine model of endometriosis, in vivo administration of IL-37b significantly inhibited the development of lesions judged by the number (P = 0.0213), size (P = 0.0130) and weight (P = 0.0152) of lesions. IL-37b had no effect on the early stage of lesion formation, however administration in the growth stage of lesions decreased the number (P = 0.0158), size (P = 0.0158) and weight (P = 0.0258) of lesions compared with PBS control, an effect that was not reversed by macrophage depletion. Expressions of inflammatory factors, matrix metalloproteinases and vascular endothelial growth factor-A mRNA/protein were significantly inhibited in ectopic lesions following IL-37b administration, and in uterine segments treated in vitro. In vitro treatment of uterine segments with IL-37b inhibited phosphorylation of Akt and Erk1/2 in uterine segments. Isolated mouse endometrial stromal treated with IL-37b and transfected with pIL-37b plasmid got suppressed cell proliferation, invasion, angiogenesis and the expression of inflammatory factors. In addition, transfection with pIL-37b significantly decreased the phosphorylation of Akt and Erk1/2. IL-37b also inhibited proliferation and the expression of inflammatory and angiogenesis factors in epithelial cell line RL95-2. These findings suggest that IL-37b may inhibit the growth of lesions by regulating proliferation, invasion, angiogenesis and inflammation through Akt and Erk1/2 signaling pathway.
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Affiliation(s)
- Yongpei He
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, The people's Republic of China
| | - Ting Xiong
- Department of Gynaecology and Obstetrics, Reproductive Medical center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, The People's Republic of China
| | - Fang Guo
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, The people's Republic of China
| | - Zhenzhen Du
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, The people's Republic of China
| | - Yixian Fan
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, The people's Republic of China
| | - Huanhuan Sun
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, The people's Republic of China
| | - Zuohua Feng
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, The people's Republic of China
| | - Guimei Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, The people's Republic of China
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31
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Kouwenberg M, Pulskens WPC, Diepeveen L, Bakker-van Bebber M, Dinarello CA, Netea MG, Hilbrands LB, van der Vlag J. Reduced CXCL1 production by endogenous IL-37 expressing dendritic cells does not affect T cell activation. PLoS One 2021; 16:e0251809. [PMID: 34029331 PMCID: PMC8143410 DOI: 10.1371/journal.pone.0251809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 05/04/2021] [Indexed: 11/23/2022] Open
Abstract
The dendritic cell (DC)-derived cytokine profile contributes to naive T cell differentiation, thereby directing the immune response. IL-37 is a cytokine with anti-inflammatory characteristics that has been demonstrated to induce tolerogenic properties in DC. In this study we aimed to evaluate the influence of IL-37 on DC–T cell interaction, with a special focus on the role of the chemokine CXCL1. DC were cultured from bone marrow of human IL-37 transgenic (hIL-37Tg) or WT mice. The phenotype of unstimulated and LPS-stimulated DC was analyzed (co-stimulatory molecules and MHCII by flow cytometry, cytokine profile by RT-PCR and ELISA), and T cell stimulatory capacity was assessed in mixed lymphocyte reaction. The role of CXCL1 in T cell activation was analyzed in T cell stimulation assays with anti-CD3 or allogeneic DC. The expression of the co-stimulatory molecules CD40, CD80 and CD86, and of MHCII in LPS-stimulated DC was not affected by endogenous expression of IL-37, whereas LPS-stimulated hIL-37Tg DC produced less CXCL1 compared to LPS-stimulated WT DC. T cell stimulatory capacity of LPS-matured hIL-37Tg DC was comparable to that of WT DC. Recombinant mouse CXCL1 did not increase T cell proliferation either alone or in combination with anti-CD3 or allogeneic DC, nor did CXCL1 affect the T cell production of interferon-γ and IL-17. Endogenous IL-37 expression does not affect mouse DC phenotype or subsequent T cell stimulatory capacity, despite a reduced CXCL1 production. In addition, we did not observe an effect of CXCL1 in T cell proliferation or differentiation.
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Affiliation(s)
- M. Kouwenberg
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - W. P. C. Pulskens
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - L. Diepeveen
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - M. Bakker-van Bebber
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - C. A. Dinarello
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Medicine, University of Colorado, Denver, Aurora, United States of America
| | - M. G. Netea
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, The Netherlands
| | - L. B. Hilbrands
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - J. van der Vlag
- Department of Nephrology, Radboud Institute of Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
- * E-mail:
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Wang JL, Chen X, Xu Y, Chen YX, Wang J, Liu YL, Song HT, Fei J, Zhao H, Fu L. The Associations of Serum IL-37 With the Severity and Prognosis in Patients With Community-Acquired Pneumonia: A Retrospective Cohort Study. Front Immunol 2021; 12:636896. [PMID: 34025645 PMCID: PMC8138168 DOI: 10.3389/fimmu.2021.636896] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/19/2021] [Indexed: 12/03/2022] Open
Abstract
Background Recent evidences suggested that IL-37 may participate in the pathophysiology of community-acquired pneumonia (CAP). Nevertheless, its exact biological role was unknown. The objective of this study was to determine the associations of serum IL-37 with the severity and prognosis in CAP patients based on a retrospective cohort study. Methods The whole of 120 healthy subjects and 240 CAP patients were summoned. Peripheral blood was collected and IL-37 was detected using ELISA. Results Serum IL-37 was obviously decreased in CAP patients on admission. In addition, serum IL-37 was gradually decreased in parallel with CAP severity scores. Correlative analysis revealed that serum IL-37 was negatively associated with CAP severity scores and inflammatory cytokines. Further logistical regression found that reduction of serum IL-37 augmented the severity of CAP patients. Moreover, the follow-up research was performed in CAP patients. Serum lower IL-37 on admission prolonged the hospital stay in CAP patients. Serum IL-37 combination with PSI and CURB-65 had a stronger predictive capacity for death than IL-37 and CAP severity score alone in CAP patients. Conclusion There are remarkably negative correlations between serum IL-37 with the severity and prognosis in CAP patients. Serum IL-37 on admission prolongs the hospital stay, demonstrating that IL-37 may involve in the process of CAP. Serum IL-37 may be regarded as a biomarker for diagnosis and prognosis for CAP patients.
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Affiliation(s)
- Jia-Le Wang
- Second Clinical Medical College, Anhui Medical University, Hefei, China
| | - Xue Chen
- Second Clinical Medical College, Anhui Medical University, Hefei, China
| | - Yi Xu
- Second Clinical Medical College, Anhui Medical University, Hefei, China
| | - Yue-Xin Chen
- Second Clinical Medical College, Anhui Medical University, Hefei, China
| | - Jing Wang
- Second Clinical Medical College, Anhui Medical University, Hefei, China
| | - Yu-Lu Liu
- Second Clinical Medical College, Anhui Medical University, Hefei, China
| | - Hai-Tao Song
- Second Clinical Medical College, Anhui Medical University, Hefei, China
| | - Jun Fei
- Respiratory and Critical Care Medicine, Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Hui Zhao
- Respiratory and Critical Care Medicine, Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Lin Fu
- Respiratory and Critical Care Medicine, Second Affiliated Hospital of Anhui Medical University, Hefei, China
- Department of Toxicology, Anhui Medical University, Hefei, China
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La Rosa F, Agostini S, Saresella M, Costa AS, Piancone F, Miglioli R, Trecate F, Clerici M. Deregulation of IL-37 and its miRNAs modulators in sarcopenic patients after rehabilitation. J Transl Med 2021; 19:172. [PMID: 33902634 PMCID: PMC8077701 DOI: 10.1186/s12967-021-02830-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 04/12/2021] [Indexed: 12/13/2022] Open
Abstract
Background sarcopenia is a highly prevalent condition in elderly individuals which is characterized by loss of muscle mass and functions; recent results showed that it is also associated with inflammation. Rehabilitation protocols for sarcopenia are designed to improve physical conditions, but very scarce data are available on their effects on inflammation We verified whether in sarcopenic patients the inflammation is reduced by rehabilitation and investigated the biological correlates of such effect. Methods Twenty-one sarcopenic patients undergoing a specifically-designed rehabilitation program were enrolled in the study. Physical, cognitive and nutritional parameters, as well as the concentration of C-Reactive Protein (CRP), pro-and anti-inflammatory cytokines and cytokine production-modulating miRNAs were measured at the beginning (T0) and at end (30-days; T1) of the rehabilitation. Results Rehabilitation resulted in a significant improvement of physical and cognitive conditions; this was accompanied by a significant reduction of CRP (p = 0.04) as well as of IL-18 (p = 0.008) and IL-37 (p = 0.009) concentration. Notably, the concentration of miR-335-3p (p = 0.007) and miR-657, the two known post-transcriptional regulators of IL-37 production, was increased by the rehabilitation protocol. Conclusions Results herein confirm that successful rehabilitation for sarcopenia results in a reduction of the inflammatory milieu, raise the possibility that IL-37 may be a key target to monitor the rehabilitation-associated improvement in sarcopenia, and suggest that this cytokine could be a therapeutic target in sarcopenic patients.
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Affiliation(s)
| | | | | | | | | | - Rossella Miglioli
- Specialist Rehabilitation Unit, Istituto Palazzolo Don Carlo Gnocchi, Milano, Italy
| | - Fabio Trecate
- Specialist Rehabilitation Unit, Istituto Palazzolo Don Carlo Gnocchi, Milano, Italy
| | - Mario Clerici
- IRCCS Fondazione Don Carlo Gnocchi-ONLUS, Milano, Italy.,Department of Pathophysiology and Transplantation, University of Milano, Milano, Italy
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Chen QS, Shen A, Dai JW, Li TT, Huang WF, Shi K, Deng Y, Pan L, Wei XF, Wu ZJ. IL37 overexpression inhibits autophagy and apoptosis induced by hepatic ischemia reperfusion injury via modulating AMPK/mTOR/ULLK1 signalling pathways. Life Sci 2021; 276:119424. [PMID: 33785334 DOI: 10.1016/j.lfs.2021.119424] [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] [Received: 01/11/2021] [Revised: 03/10/2021] [Accepted: 03/13/2021] [Indexed: 02/07/2023]
Abstract
AIM To investigate the potential role of IL37 in hepatic ischemia reperfusion injury and its underlying molecular mechanism. METHODS C57BL/6 mouse and hepatocytes were used to establish the hepatic ischemia reperfusion (IR) and the hypoxia reoxygenation (HR) injury model in vivo and in vitro, separately. Total extraction of tissue and cell protein expressions of LC3B, Beclin1, p62, cleaved caspase3, caspase3, bax, bcl2, AMPK, mTOR, ULK1 were detected by western blot. IL37 mRNA and protein level were detected by RT-qPCR and western blot. ALT and AST serum level were measured by microplate readers. H&E staining was used to assess the tissue sections. Autophagy was measured by TEM and confocal laser microscopy. Apoptosis in tissue and cell were detected by TUNEL staining. RESULTS Autophagy was aberrantly activated by H2R6 and I1R12. Both exogenous IL37 and endogenous IL37 exerted protective effects on hepatocytes by affecting both autophagy-related proteins, specifically, by suppressing LC3B II and Beclin1 expression and increasing p62 levels and apoptosis-related proteins specifically, by inhibiting cleaved caspase3 and Bax expression and increasing Bcl2 expression during HR. Furthermore, endogenous IL37 inactivated AMPK and ULK1 phosphorylation and promoted mTOR phosphorylation in hepatocytes. Furthermore, in vivo experiments, serum liver enzyme measurements, TUNEL assays, and histological assessments, as well as other typical evaluations, showed the protective effect of IL37 overexpression in mice. CONCLUSION Endogenous and exogenous IL37 were found to ameliorate hepatic ischemia reperfusion injury by inhibiting excessive autophagy and apoptosis, these effects may be connected with the modulation of AMPK/mTOR/ULK1 signalling complex.
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Affiliation(s)
- Qing-Song Chen
- Department of hepatobiliary surgery, the first affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ai Shen
- Department of hepatobiliary pancreatic Cancer Center, Chongqing University Cancer Hospital, Chongqing, China
| | - Jiang-Wen Dai
- Department of hepatobiliary surgery, the first affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ting-Ting Li
- Department of hepatobiliary surgery, the first affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Wei-Feng Huang
- Department of hepatobiliary surgery, the first affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Kun Shi
- Department of hepatobiliary surgery, the first affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yi Deng
- Department of hepatobiliary surgery, the first affiliated Hospital of Chongqing Medical University, Chongqing, China; Department of oncology, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
| | - Long Pan
- Department of hepatobiliary surgery, the first affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xu-Fu Wei
- Department of hepatobiliary surgery, the first affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Zhong-Jun Wu
- Department of hepatobiliary surgery, the first affiliated Hospital of Chongqing Medical University, Chongqing, China.
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IL-37 Gene Modification Enhances the Protective Effects of Mesenchymal Stromal Cells on Intestinal Ischemia Reperfusion Injury. Stem Cells Int 2020; 2020:8883636. [PMID: 32849879 PMCID: PMC7439787 DOI: 10.1155/2020/8883636] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 07/15/2020] [Accepted: 07/24/2020] [Indexed: 12/14/2022] Open
Abstract
Background Ischemia reperfusion injury (IRI) is the major cause of intestinal damage in clinic. Although either mesenchymal stromal cells (MSCs) or interleukin 37 (IL-37) shows some beneficial roles to ameliorate IRI, their effects are limited. In this study, the preventative effects of IL-37 gene-modified MSCs (IL-37-MSCs) on intestinal IRI are investigated. Methods Intestinal IRI model was established by occluding the superior mesenteric artery for 30 minutes and then reperfused for 72 hours in rats. Forty adult male Sprague-Dawley rats were randomly divided into the sham control, IL-37-MSC-treated, MSC-treated, recombinant IL-37- (rIL-37-) treated, and untreated groups. Intestinal damage was assessed by H&E staining. The levels of gut barrier function factors (diamine oxidase and D-Lactate) and inflammation cytokine IL-1β were assayed using ELISA. The synthesis of tissue damage-related NLRP3 inflammasome and downstream cascade reactions including cleaved caspase-1, IL-1β, and IL-18 was detected by western blot. The mRNA levels of proinflammatory mediators IL-6 and TNF-α, which are downstream of IL-1β and IL-18, were determined by qPCR. Data were analyzed by one-way analysis of variance (ANOVA) after the normality test and followed by post hoc analysis with the least significant difference (LSD) test. Results IL-37-MSCs were able to migrate to the damaged tissue and significantly inhibit intestinal IRI. As compared with MSCs or the rIL-37 monotherapy group, IL-37-MSC treatment both improved gut barrier function and decreased local and systemic inflammation cytokine IL-1β level in IRI rats. In addition, tissue damage-related NLRP3 and downstream targets (cleaved caspase-1, IL-1β, and IL-18) were significantly decreased in IRI rats treated with IL-37-MSCs. Furthermore, IL-1β- and IL-18-related proinflammatory mediator IL-6 and TNF-α mRNA expressions were all significantly decreased in IRI rats treated with IL-37-MSCs. Conclusion The results suggest that IL-37 gene modification significantly enhances the protective effects of MSCs against intestinal IRI. In addition, NLRP3-related signaling pathways could be associated with IL-37-MSC-mediated protection.
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Shiva N, Sharma N, Kulkarni YA, Mulay SR, Gaikwad AB. Renal ischemia/reperfusion injury: An insight on in vitro and in vivo models. Life Sci 2020; 256:117860. [PMID: 32534037 DOI: 10.1016/j.lfs.2020.117860] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 05/21/2020] [Accepted: 05/26/2020] [Indexed: 02/08/2023]
Abstract
Optimal tissue oxygenation is essential for its normal function. Suboptimal oxygenation or ischemia contributes to increased mortalities during various pathological conditions such as stroke, acute kidney injury (AKI), cardiac failure. Despite the rapid progression of renal tissue injury, the mechanism underlying renal ischemia/reperfusion injury (IRI) remains highly unclear. Experimental in vitro and in vivo models epitomizing the fundamental process is critical to the research of the pathogenesis of IRI and the development of plausible therapeutics. In this review, we describe the in vitro and in vivo models of IRI, ranges from proximal tubular cell lines to surgery-based animal models like clamping of both renal pedicles (bilateral IRI), clamping of one renal pedicle (unilateral IRI), clamping of one/or both renal arteries/or vein, or unilateral IRI with contralateral nephrectomy (uIRIx). Also, advanced technologies like three-dimensional kidney organoids, kidney-on-a-chip are explained. This review provides thoughtful information for establishing reliable and pertinent models for studying IRI-associated acute renal pathologies.
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Affiliation(s)
- Niharika Shiva
- Laboratory of Molecular Pharmacology, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Nisha Sharma
- Laboratory of Molecular Pharmacology, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Yogesh A Kulkarni
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai 400056, India
| | - Shrikant R Mulay
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Anil Bhanudas Gaikwad
- Laboratory of Molecular Pharmacology, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India.
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Wang F, Yin J, Lin Y, Zhang F, Liu X, Zhang G, Kong Y, Lu Z, Wu R, Wang N, Xing T, Qian Y. IL-17C has a pathogenic role in kidney ischemia/reperfusion injury. Kidney Int 2020; 97:1219-1229. [DOI: 10.1016/j.kint.2020.01.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 12/18/2019] [Accepted: 01/03/2020] [Indexed: 01/14/2023]
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Lotfy H, Moaaz M, Moaaz M. The novel role of IL-37 to enhance the anti-inflammatory response of regulatory T cells in patients with peripheral atherosclerosis. Vascular 2020; 28:629-642. [PMID: 32366176 DOI: 10.1177/1708538120921735] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Regulatory T cells (Tregs) mediate immunomodulation and protect against atherosclerosis. It is considered that reducing the amount of pro-inflammatory mediators could be achieved by enhancing the anti-inflammatory response, and this may be considered one of the main targets for therapy development. The inhibitory cytokines secreted by Tregs mainly include interleukin-10 (IL-10) and transforming growth factor-beta (TGF-β). Based on its known immunosuppressive involvement with other inflammatory disorders, we hypothesized that the newly characterized cytokine interleukin-37 (IL-37) might be associated with the inhibitory functions of Treg in atherosclerosis. Immune regulatory functions of IL-37 have not been completely clarified. Accordingly, we speculated that IL-37 might play a regulatory role in the immunosuppression of Tregs in atherosclerotic disease. METHODS Real-time polymerase chain reaction and enzyme linked immunosorbent assay were used to test gene expression and protein levels of IL-37 in peripheral blood and localized freshly resected arterial tissues from 84 patients with peripheral arterial occlusive disease and 50 non-atherosclerotic subjects. Results were correlated to disease hallmarks. We also evaluated the ability of recombinant IL-37 to modulate Treg cytokine secretion and T cell inhibition in relation to atherosclerotic disorder in vitro.Results: Our results revealed that IL-37 was increased in patients with chronic lower limb atherosclerotic ischemia, compared to non-atherosclerotic controls. In addition, the expression levels of circulating IL-37 correlated with disease severity of chronic lower limb ischemia. Supplementation with rIL-37 augmented levels of released IL-10 and TGF-β in supernatants of T cells co-cultured with Tregs in the enrolled patients.Conclusions: Results suggest a role for IL-37 in mediating anti-inflammatory functions in the atherosclerotic process, potentially involving enhancement of Treg inhibitory function and anti-inflammatory cytokine secretion with a particularly marked direct response in severe disease.
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Affiliation(s)
- Hassan Lotfy
- Department of Surgery, Vascular S. Unit, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Marwa Moaaz
- Department of Human Physiology, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Mai Moaaz
- Department of Immunology and Allergy, Medical Research Institute, Alexandria University, Alexandria, Egypt
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Li P, Guo H, Wu K, Su L, Huang K, Lai R, Deng Z, Li S, Ouyang P, Wang Y, Chen Z, Zhou G, Wang S. Decreased IL-37 expression in hepatocellular carcinoma tissues and liver cancer cell lines. Oncol Lett 2020; 19:2639-2648. [PMID: 32218814 PMCID: PMC7068331 DOI: 10.3892/ol.2020.11393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 10/16/2019] [Indexed: 11/06/2022] Open
Abstract
The role of IL-37 in cancer is currently largely unknown. The present study aimed to investigate IL-37 expression in hepatocellular carcinoma (HCC), paracancerous tissues (PT) and liver cancer cell lines, and their associations between IL-37 and NF-κB. A total of 65 HCC and 65 PT tissues were collected. The expression of IL-37 and NF-κB in tissues was detected by immunohistochemistry (IHC) and the data was analyzed using SPSS software. In the in vitro studies, IL-37 gene was transfected into HepG2 and MHCC97H cell lines with Lipofectamine 3000, and the protein regulation of NF-κB by IL-37 was verified by immunofluorescence (IF) and western blotting. In HCC, the positive expression rates of IL-37 and NF-kB were 21.5 and 95.4%, respectively. In PT, strong positive staining of IL-37and weak positive staining of NF-κB were observed. The normal expression levels of IL-37 and NF-κB, the increased IL-37 and decreased NF-κB induced by IL-37 gene transfection were observed through IF in cell lines. In terms of clinical significance, the difference in IL-37 expression between HCC and PT was statistically significant (χ2=55.05; P<0.001). IL-37 expression in HCC but not PT was negatively associated with serum AFP (χ2=6.522; P=0.039). IL-37 expression in PT was associated with sex (χ2=13.12; P=0.003) and tumor size (χ2=7.996; P=0.045). NF-κB expression in PT was associated with age, sex and BCLC stage. Notably, there was a negative correlation between IL-37 and NF-κB in HCC (r=-0.277; P=0.029) but not in PT (P>0.05). IL-37 overexpression downregulated the NF-κB protein by 56.50% in HepG2 cells (P<0.05) and 30.52% in MHCC97H cells (P<0.05). In conclusion, the expression of IL-37 in HCC and PT was specifically associated with serum AFP and tumor size, respectively. IL-37 expression was negatively correlated with NF-κB protein expression in HCC tissues and liver cancer cell lines.
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Affiliation(s)
- Peng Li
- Department of Histology and Embryology, Basic Medical College, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Hongsheng Guo
- Department of Histology and Embryology, Basic Medical College, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Kun Wu
- Department of Internal Medicine, The Second Clinical Medical College, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China.,Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Liudan Su
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Kai Huang
- Department of Internal Medicine, The Second Clinical Medical College, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Ruizhi Lai
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Ziliang Deng
- Department of Histology and Embryology, Basic Medical College, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Shuxian Li
- Department of Histology and Embryology, Basic Medical College, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Ping Ouyang
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Dongguan Scientific Research Center, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Yan Wang
- Department of Internal Medicine, The Second Clinical Medical College, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Zhangquan Chen
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Guangji Zhou
- Department of Histology and Embryology, Basic Medical College, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Sen Wang
- Department of Histology and Embryology, Basic Medical College, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China.,Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
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Chloroquine and Rapamycin Augment Interleukin-37 Expression via the LC3, ERK, and AP-1 Axis in the Presence of Lipopolysaccharides. J Immunol Res 2020; 2020:6457879. [PMID: 32104716 PMCID: PMC7035573 DOI: 10.1155/2020/6457879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 12/28/2019] [Indexed: 12/24/2022] Open
Abstract
IL-37 is a cytokine that plays critical protective roles in many metabolic inflammatory diseases, and its therapeutic potential has been confirmed by exogenous IL-37 administration. However, its regulatory mechanisms remain unclear. U937 cells were treated with autophagy-modifying reagents (3-MA, chloroquine, and rapamycin) with or without LPS stimulation. Thereafter, IL-37 expression and autophagic markers (Beclin1, P62/SQSTM1, and LC3) were determined. For regulatory signal pathways, phosphorylated proteins of NF-κB (p65 and IκBα), AP-1 (c-Fos/c-Jun), and MAPK signal pathways (Erk1/2 and p38 MAPK) were quantified, and the agonists and antagonists of MAPK and NF-κB pathways were also used. Healthy human peripheral blood mononuclear cells were treated similarly to confirm our results. Four rhesus monkeys were also administered chloroquine to evaluate IL-37 induction in vivo and its bioactivity on CD4 proliferation and activation. IL-37 was upregulated by rapamycin and chloroquine in both U937 cells and human PBMCs in the presence of LPS. IL-37 was preferentially induced in autophagic cells associated with LC3 conversion. AP-1 and p65 binding motifs could be deduced in the sequence of the IL-37 promoter. Inductive IL-37 expression was accompanied with increased phosphorylated Erk1/2 and AP-1 and could be completely abolished by an Erk1/2 inhibitor or augmented by Erk1/2 agonists. In monkeys, chloroquine increased IL-37 expression, which was inversely correlated with CD4 proliferation and phosphorylated STAT3. IL-37 levels were induced by rapamycin and chloroquine through the LC3, Erk1/2, and NF-κB/AP-1 pathways. Functional IL-37 could also be induced in vivo.
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Li H, Shen C, Chen B, Du J, Peng B, Wang W, Chi F, Dong X, Huang Z, Yang C. Interleukin‑37 is increased in peripheral blood mononuclear cells of coronary heart disease patients and inhibits the inflammatory reaction. Mol Med Rep 2019; 21:151-160. [PMID: 31746393 PMCID: PMC6896322 DOI: 10.3892/mmr.2019.10805] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 10/16/2019] [Indexed: 12/13/2022] Open
Abstract
It has been universally acknowledged that interleukin-37 (IL-37) has an immunosuppressive effect on various inflammatory disorders. However, whether IL-37 participates in the acute inflammation associated with coronary heart disease (CHD) has not yet been clarified. In the present study, the association between the serum levels of IL-37 and the clinical indexes of CHD were analysed. In addition, the anti-inflammatory effects of IL-37 on peripheral blood mononuclear cells (PBMCs) were studied in CHD patients. PBMCs from 46 healthy controls (HCs) and 92 CHD patients were cultured in vitro and stimulated using the recombinant IL-37 protein. The protein levels, as well as the mRNA expression of inflammatory cytokines (TNF-α, IL-1β, IL-6, and IL-17) were analysed by enzyme-linked immunosorbent assay (ELISA) and real-time polymerase chain reaction (RT-PCR). Spearman's correlation test was performed to examine the association between the serum level of IL-37 and the levels of pro-inflammatory cytokines, certain clinical indexes, and disease activity during CHD. Compared to the HCs, the CHD patients, especially those with acute myocardial infarction, exhibited higher levels of IL-37 in their PBMCs and sera. Serum levels of IL-37 were associated with the levels of IL-17, IL-6, and TNF-α, and clinical indexes such as the left ventricular ejection fraction (LVEF), amino-N-terminal pro-plasma brain natriuretic peptide (NT-proBNP) levels, and cardiac troponin T (cTnT) levels in CHD patients. Compared to the HC group, the production of inflammatory cytokines such as IL-17, IL-6, TNF-α, and IL-1β increased in the PBMCs of CHD patients and significantly decreased after the stimulation of the cells with recombinant IL-37. The IL-37 levels in CHD patients were high, and were correlated with the levels of CHD-related pro-inflammatory cytokines and disease activity. Notably, the expression of CHD-related pro-inflammatory cytokines in the PBMCs of CHD patients decreased following the stimulation of the cells with recombinant IL-37, indicating that IL-37 exerts anti-inflammatory effects during CHD.
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Affiliation(s)
- Huimin Li
- Department of Cardiac Surgery, Shenzhen People's Hospital, Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518020, P.R. China
| | - Chen Shen
- Department of Cardiac Surgery, Shenzhen People's Hospital, Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518020, P.R. China
| | - Bingni Chen
- Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, P.R. China
| | - Jing Du
- Department of Laboratory Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong 518036, P.R. China
| | - Bin Peng
- Department of Cardiac Surgery, Shenzhen People's Hospital, Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518020, P.R. China
| | - Wei Wang
- Department of Cardiac Surgery, Shenzhen People's Hospital, Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518020, P.R. China
| | - Fanwu Chi
- Department of Cardiac Surgery, Shenzhen People's Hospital, Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518020, P.R. China
| | - Xiaoqiang Dong
- Department of Cardiac Surgery, Shenzhen People's Hospital, Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518020, P.R. China
| | - Zhong Huang
- Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060, P.R. China
| | - Chao Yang
- Department of Cardiac Surgery, Shenzhen People's Hospital, Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518020, P.R. China
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Jiang Y, Gong Y, Lin N, Qiu W. Expression of miR-181a and TGF-β2 in lens epithelial cells of patients with cataractous retinal detachment and its clinical significance. Exp Ther Med 2019; 17:4435-4440. [PMID: 31086578 PMCID: PMC6489007 DOI: 10.3892/etm.2019.7488] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 03/21/2019] [Indexed: 12/30/2022] Open
Abstract
Expression and clinical significance of miR-181a and TGF-β2 in lens epithelial cells of patients with cataract-induced retinal detachment were investigated. Forty patients with rhegmatogenous retinal detachment combined with age-related cataract (cast-off group) and another 40 patients with simple age-related cataract (non-exfoliated group) in Tongren Hospital were enrolled between January 2017 and June 2018. Lens epithelial cells were collected, and expression levels of miR-181a and TGF-β2 mRNA in lens epithelial cells were measured by RT-qPCR. Expression of protein was detected by western blot analysis. miR-181a overexpression vector (miR-181a-mimic group) was constructed and transfected into lens epithelial cells isolated from patients with rhegmatogenous retinal detachment combined with age-related cataract. Empty vector (miR-control group) transfection was performed. Untransfected lens epithelial cells were the control group. Independent sample t-test was performed for comparison between groups. Correlation between miR-181a and TGF-β2 protein expression levels was analyzed by Pearson's correlation analysis. Relative expression level of miR-181a in the non-exfoliated group was significantly higher than that in the cast-off group (P<0.05). Relative expression levels of TGF-β2 mRNA and TGF-β2 protein in the cast-off group were significantly higher than those in the non-exfoliated group (P<0.05). Relative expression level of E-cadherin in the miR-control group was significantly lower than that in the miR-181a-mimic group (P<0.05). Relative expression level of vimentin in the miR-control group was significantly higher than that in the miR-181a-mimic group (P<0.05). Relative expression level of TGF-β2 protein in the miR-control group was significantly higher than that in the miR-181a-mimic group (P<0.05). The expression level of miR-181a was negatively correlated with the expression level of TGF-β2 protein (r= −0.875, P<0.001). miR-181a expression is decreased, while TGF-β2 expression is increased in lens epithelial cells of patients with rhegmatogenous retinal detachment combined with age-related cataract. Over-expression of miR-181a may inhibit epithelial cell epithelial-inhibition by inhibiting TGF-β2 expression. Our findings may provide guidance for future postoperative prevention and treatment of rhegmatogenous retinal detachment in cataract patients.
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Affiliation(s)
- Yanyun Jiang
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, P.R. China
| | - Yingying Gong
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, P.R. China
| | - Nan Lin
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, P.R. China
| | - Wei Qiu
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, P.R. China
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Alqazlan N, Diao H, Jevnikar AM, Ma S. Production of functional human interleukin 37 using plants. PLANT CELL REPORTS 2019; 38:391-401. [PMID: 30659328 DOI: 10.1007/s00299-019-02377-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Accepted: 01/07/2019] [Indexed: 06/09/2023]
Abstract
KEY MESSAGE We demonstrate for the first time that a fully bioactive human IL-37, a newly discovered cytokine acting as a fundamental inhibitor of innate immunity, can be recombinantly produced in plant cells. Interleukin 37 (IL-37), a newly discovered member of the interleukin (IL)-1 family of cytokines, plays a pivotal role in limiting innate inflammation and suppressing acquired immune responses, thus holding high potential for treating a wide array of human inflammatory and autoimmune disorders. In this study, we have developed transgenic plants as a novel expression platform for production of human IL-37 (IL-37). Plant transformation vectors synthesizing various forms of the b isoform of IL-37, including an unprocessed full-length precursor form (proIL-37b), a mature form (matIL-37b) and an IL-37 fusion protein in which IL-37b was fused to soybean agglutinin (SBA-IL-37b), have been constructed and introduced into tobacco plants. The expression of all forms of IL-37b was driven by a strong constitutive 35S promoter. Transgenic tobacco plants were generated with each of these constructs. Depending on the form of IL-37b being produced, the expression level of proIL-37b reached approximately 1% of TSP, while matIL-37b expression was substantially lower (0.01% TSP). Fusion to SBA substantially increased the expression of matIL-37b, with the expression level of fusion protein accounting for 1% of TSP. Functional analysis using a cell-based in vitro assay showed that plant-made matIL-37b and proIL-37b are both biologically active, but plant-made matIL-37b exhibited significantly greater biological activity than proIL-37b. These results demonstrate that plants have great potential of being a green bioreactor for low-cost, large-scale production of biologically active IL-37.
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Affiliation(s)
- Nadiyah Alqazlan
- Department of Biology, University of Western Ontario, London, ON, Canada
| | - Hong Diao
- Matthew Mailing Centre for Translational Transplant Studies, London Health Sciences Centre, London, Canada
| | - Anthony M Jevnikar
- Matthew Mailing Centre for Translational Transplant Studies, London Health Sciences Centre, London, Canada
| | - Shengwu Ma
- Department of Biology, University of Western Ontario, London, ON, Canada.
- Matthew Mailing Centre for Translational Transplant Studies, London Health Sciences Centre, London, Canada.
- Lawson Health Research Institute, London, ON, Canada.
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Liang H, Huang Q, Liao MJ, Xu F, Zhang T, He J, Zhang L, Liu HZ. EZH2 plays a crucial role in ischemia/reperfusion-induced acute kidney injury by regulating p38 signaling. Inflamm Res 2019; 68:325-336. [PMID: 30820607 DOI: 10.1007/s00011-019-01221-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/19/2019] [Accepted: 02/21/2019] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE AND DESIGN Renal ischemia-reperfusion (IR)-induced acute kidney injury (AKI) remains a major challenge in clinic. The histone methyltransferases enhancer of zest homolog-2 (EZH2) is associated with the development of renal injury. However, the molecular mechanism has not been fully elucidated. MATERIALS AKI in C57BL/6 mice was generated by renal IR. TREATMENTS The 3-deazaneplanocin A (DZNeP), a selective EZH2 inhibitor, or vehicle was administrated in mice after IR. HK-2 cells were exposed to hypoxia-reoxygenation (H/R) stress. METHODS Apoptosis was detected by TUNEL assay or flow cytometry. EZH2, caspase-3, p38, F4/80+ macrophages, and CD3+ T cells were examined by immunohistochemistry or Western blot. Tumor necrosis factor (TNF)-α, monocyte chemoattractant protein (MCP)-1, IL-6, and IL-18 were measured using RT-PCR. RESULTS Mice treated with DZNeP exhibited less severe renal dysfunction and tubular injury following IR. EZH2 inhibition decreased apoptotic cells while reducing activation of caspase-3 in kidneys under IR condition. Moreover, EZH2 inhibition impaired the recruitment of CD3+ T cells and F4/80+ cells in kidneys with IR. Administration of DZNeP suppressed the production of TNF-α, MCP-1, IL-6, and IL-18 in IR-treated kidneys. Of note, EZH2 inhibition reduced p38 phosphorylation in kidneys after IR. In H/R-treated HK-2 cells, DZNeP treatment or EZH2 knockdown reduced apoptosis. EZH2 inhibition inactivated p38 resulting in reduction of active caspase-3 and proinflammatory molecules. By contrast, EZH2 overexpression induced p38 phosphorylation, caspase-3 activation, and production of proinflammatory molecules, which was reversed by SB203580. CONCLUSIONS EZH2 plays a crucial role in IR-induced AKI via modulation of p38 signaling. Targeting EZH2/p38 signaling pathway may offer novel strategies to protect kidneys from acute kidney injury induced by ischemia-reperfusion.
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Affiliation(s)
- Hua Liang
- Department of Anesthesiology, Affiliated Foshan Hospital of Sun Yat-sen University, Foshan, 528000, China.
| | - Qiong Huang
- Department of Medical Statistics, Foshan Chancheng Central Hospital, Foshan, 528000, China.
| | - Mei-Juan Liao
- Department of Anesthesiology, Affiliated Foshan Hospital of Sun Yat-sen University, Foshan, 528000, China
| | - Feng Xu
- Department of Anesthesiology, Affiliated Foshan Hospital of Sun Yat-sen University, Foshan, 528000, China
| | - Tao Zhang
- Department of Anesthesiology, Affiliated Foshan Hospital of Sun Yat-sen University, Foshan, 528000, China
| | - Jian He
- Department of Anesthesiology, Affiliated Foshan Hospital of Sun Yat-sen University, Foshan, 528000, China
| | - Lei Zhang
- Department of Anesthesiology, Affiliated Foshan Hospital of Sun Yat-sen University, Foshan, 528000, China
| | - Hong-Zhen Liu
- Department of Anesthesiology, Affiliated Foshan Hospital of Sun Yat-sen University, Foshan, 528000, China
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PG102 Upregulates IL-37 through p38, ERK, and Smad3 Pathways in HaCaT Keratinocytes. Mediators Inflamm 2019; 2019:6085801. [PMID: 30918469 PMCID: PMC6409045 DOI: 10.1155/2019/6085801] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 01/19/2019] [Indexed: 12/25/2022] Open
Abstract
IL-37 is an immunomodulatory cytokine that suppresses inflammation in various cell types and disease models. However, its role in keratinocytes has not been clearly understood, and there has been no report on the agents that can increase the expression of IL-37 in keratinocytes. In this study, we investigated the effects of silencing IL37 in HaCaT keratinocytes and the molecular mechanisms involved in the upregulation of IL-37 by PG102, a water-soluble extract from Actinidia arguta. It was found that knockdown of IL37 resulted in the augmented expression of antimicrobial peptides (AMPs) in response to cytokine stimulation. PG102 increased the expression of IL-37 at both mRNA and protein levels presumably by enhancing the phosphorylation of Smad3, ERK, and p38. Indeed, when cells were treated with specific inhibitors for these signaling molecules, the expression level of IL-37 was reduced. PG102 also promoted colocalization of phospho-Smad3 and IL-37. Our results suggest that IL-37 inhibits the expression of AMPs and that PG102 upregulates IL-37 through p38, ERK, and Smad3 pathways in HaCaT cells.
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Li Y, Gao Q, Xu K, Peng X, Yuan X, Jiang W, Li M. Interleukin-37 Attenuates Bleomycin-Induced Pulmonary Inflammation and Fibrosis in Mice. Inflammation 2019; 41:1772-1779. [PMID: 29956068 DOI: 10.1007/s10753-018-0820-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Pulmonary fibrosis is a disease with chronic inflammation and excessive collagen deposition for which there is no effective treatments. Interleukin (IL)-37 is a newly identified anti-inflammatory cytokine but its role in pulmonary fibrosis remains unclear. In this study, we investigated the effect of IL-37 on bleomycin-induced pulmonary fibrosis in mice. A lentivirus expressing IL-37 was administered intranasally to bleomycin-induced C57BL/6 mice. We found that IL-37 improved the survival of mice and reduced the body weight loss of mice caused by bleomycin. Furthermore, IL-37 significantly attenuated pulmonary inflammatory infiltration and collagen deposition and decreased the hydroxyproline content in bleomycin-treated mice. Finally, IL-37 treatment inhibited the expression of monocyte chemoattractant protein-1, IL-6, and tumor necrosis factor-α, but increased the expression of interferon-γ in lung tissues from bleomycin-challenged mice. Taken together, these results suggest that in vivo expression of IL-37 is useful in preventing pulmonary fibrosis induced by bleomycin and provides a possible therapeutic approach to pulmonary fibrosis diseases.
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Affiliation(s)
- Yan Li
- Department of Immunology, Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, 315211, China
| | - Qiaoyan Gao
- Department of Immunology, Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, 315211, China
| | - Keye Xu
- Department of Immunology, Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, 315211, China
| | - Xiao Peng
- Department of Immunology, Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, 315211, China
| | - Xianli Yuan
- Department of Immunology, Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, 315211, China
| | - Wenwen Jiang
- Department of Immunology, Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, 315211, China.
| | - Mingcai Li
- Department of Immunology, Zhejiang Provincial Key Laboratory of Pathophysiology, Ningbo University School of Medicine, 818 Fenghua Road, Ningbo, 315211, China.
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Yan X, Xie B, Wu G, Hu J, Wang D, Cai X, Li J. Interleukin-37: The Effect of Anti-Inflammatory Response in Human Coronary Artery Endothelial Cells. Mediators Inflamm 2019; 2019:2650590. [PMID: 30728750 PMCID: PMC6341264 DOI: 10.1155/2019/2650590] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 09/07/2018] [Accepted: 11/06/2018] [Indexed: 02/05/2023] Open
Abstract
Interleukin-37 (IL-37) is unique in the IL-1 family since it broadly suppresses innate immunity and elevates in humans with inflammatory and autoimmune diseases. IL-37 shows definite groups and transcripts for human IL37 gene, but it is still not completely understood the effect and mechanisms of inflammatory response in endothelial cells. It is well accepted that endothelial dysfunction caused by inflammation is a key initiating event in atherosclerotic plaque formation, which leads to the occurrence and development of the cardiovascular adverse events in clinical since the inflammatory responses of endothelial cells could induce and enhance the deposition of extensive lipid and the formation of atherosclerotic plaque in the intima. Thus, it is essential to investigate the role and potential mechanisms in endothelial inflammatory response to prevent the formation and development of many cardiovascular diseases including atherosclerosis. So far, the recent studies have revealed that IL-37 is able to inhibit inflammatory response by suppressing the TLR2-NF-κB-ICAM-1 pathway intracellularly in human coronary artery endothelial cells (HCAECs). Further, the role of IL-37 may be related to the IL-18 pathway extracellularly and involved in the adhesion and transmigration of neutrophils in HCAECs.
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Affiliation(s)
- Xianfeng Yan
- Department of Cardiology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Bin Xie
- Department of Cardiology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Guihai Wu
- Department of Cardiology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Jing Hu
- Department of Cardiology, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi 330006, China
| | - Di Wang
- Department of Dermatovenereology, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Xiangna Cai
- Department of Plastic Surgery, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Jilin Li
- Department of Cardiology, First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
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How Acute Kidney Injury Contributes to Renal Fibrosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1165:117-142. [PMID: 31399964 DOI: 10.1007/978-981-13-8871-2_7] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Acute kidney injury (AKI) is a widespread clinical syndrome directly associated with patient short-term and long-term morbidity and mortality. During the last decade, the incidence rate of AKI has been increasing, the repeated and severe episodes of AKI have been recognized as a major risk factor chronic kidney diseases (CKD) and end-stage kidney disease (ESRD) leading to global disease burden. Proposed pathological processes and risk factors that add to the transition of AKI to CKD and ESRD include severity and frequency of kidney injury, older age, gender, genetics and chronic health conditions like diabetes, hypertension, and obesity. Therefore, there is a great interest in learning about the mechanism of AKI leading to renal fibrosis, the ultimate renal lesions of CKD. Over the last several years, a significant attention has been given to the field of renal fibrosis with impressive progression in knowing the mechanism of renal fibrosis to detailed cellular characterization and molecular pathways implicated in tubulointerstitial fibrosis. Research and clinical trial are underway for emerging biomarkers detecting early kidney injury, predicting kidney disease progression and developing strategies to efficiently treat AKI and to minimize AKI progression to CKD and ESRD. Specific interventions to prevent renal fibrosis are still experimental. Potential therapeutic advances based on those molecular mechanisms will hopefully offer promising insights into the development of new therapeutic interventions for patients in the near future.
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Anti-Inflammatory Effect of IL-37-Producing T-Cell Population in DSS-Induced Chronic Inflammatory Bowel Disease in Mice. Int J Mol Sci 2018; 19:ijms19123884. [PMID: 30563054 PMCID: PMC6321614 DOI: 10.3390/ijms19123884] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/22/2018] [Accepted: 11/29/2018] [Indexed: 12/21/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic inflammatory disease that is thought to arise in part from abnormal adaptive immune responses against intestinal microbiota. T lymphocytes play significant roles in triggering mucosal inflammation and/or maintaining gut immune homeostasis. It has been demonstrated that IL-37 expresses in a variety of cells and exerts a protective function involved in both innate immunity and adaptive immunity. In the present study, a population of IL-37-producing T-cells was detected in the spleen and mesenteric lymph nodes (MLNs) in IL-37+/+ mice after dextran sodium sulfate (DSS) induction. Adoptive transfer of the T-cells from the spleen of IL-37+/+ mice following DSS treatment partly recovered the body weight, improved the disease activity index (DAI) and macroscopic damage score, and attenuated the intestinal inflammation. In addition, colon shortening, an indirect marker of inflammation, was decreased, consistent with the decreased IFN-γ level and the increased IL-10 level in the colonic tissue. Collectively, our data uncovered a subset of T-lymphocytes expressing IL-37, which represents a potent regulation of immunity and serves as the protective role in chronic IBD.
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50
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Comparison of interleukin 18 gene expression and its serum level between Iranian colorectal cancer (CRC) patients and healthy people. Biologia (Bratisl) 2018. [DOI: 10.2478/s11756-018-0153-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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