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Korkmaz H, Hatipoğlu M, Kayar NA. Interleukin-38: A crucial player in periodontitis. Oral Dis 2024; 30:2523-2532. [PMID: 37455397 DOI: 10.1111/odi.14657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/08/2023] [Accepted: 06/11/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND The objective of this study was to compare the levels of gingival crevicular fluid (GCF), salivary, and serum matrix metalloproteinase-9, interleukin (IL)-17, IL-36γ, and IL-38 in individuals with healthy periodontium, gingivitis, and periodontitis and to evaluate their correlations with clinical periodontal parameters. MATERIALS AND METHODS Ninety systemically healthy and nonsmoking volunteers divided into a healthy (H) group (n = 30), a gingivitis (G) group (n = 30), and a periodontitis (P) group (n = 30) were included in this study. Clinical periodontal parameters of volunteers were recorded, and GCF, unstimulated saliva, and serum samples were collected. Data analysis was done with enzyme-linked immunosorbent assays. The Kruskal-Wallis test and Bonferroni correction were used for multiple comparisons and post hoc statistical analyses. RESULTS The group H had significantly lower clinical parameters than the group P (p < 0.001). GCF and salivary IL-36γ and IL-38 levels were significantly higher in the group P than in the H and G groups (p < 0.05). Positive correlations between biochemical findings and clinical periodontal parameters were observed. CONCLUSIONS IL-36γ and IL-38 levels in GCF, saliva, and serum correlate with clinical periodontal parameters and may play a role in determining the activity of periodontitis.
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Affiliation(s)
- Hilal Korkmaz
- Department of Periodontology, Faculty of Dentistry Akdeniz University, Antalya, Turkey
| | - Mükerrem Hatipoğlu
- Department of Periodontology, Faculty of Dentistry Akdeniz University, Antalya, Turkey
| | - Nezahat Arzu Kayar
- Department of Periodontology, Faculty of Dentistry Akdeniz University, Antalya, Turkey
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Toraman A, Sağlam E, Savran L, Köseoğlu S. Evaluation of Salivary Il-38 Levels in Periodontitis: A Cross-Sectional Study. J Interferon Cytokine Res 2024. [PMID: 38497769 DOI: 10.1089/jir.2023.0233] [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: 03/19/2024] Open
Abstract
The goal of the current study was to assess levels of salivary interleukin (IL)-38, IL-1β, and IL-10 in various periodontal clinical conditions. In total, 60 (20 healthy, 20 gingivitis, and 20 stage II-III, grade A-B periodontitis) subjects were included in the study. Demographic and clinical periodontal parameters were recorded. Samples were examined for IL-38, IL-1β, and IL-10 levels by means of enzyme-linked immunosorbent assay. Results demonstrated that the periodontitis group had significantly lower salivary IL-38 levels (P < 0.05) than the healthy group. Salivary IL-10 levels did not differ significantly between the groups (P > 0.05). The salivary IL-1β levels of gingivitis (P < 0.001) and periodontitis groups (P < 0.01) were significantly higher than those of the healthy group. The present study indicated that IL-38 level is decreased in periodontal disease. The results suggested a possible role of IL-38 in the periodontal inflammation process. Clarifying the mechanisms of IL-38 in the inflammatory process may contribute to the development of novel treatment strategies in periodontal diseases.
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Affiliation(s)
- Ayşe Toraman
- Department of Periodontology, Hamidiye Faculty of Dentistry, Health Sciences University, Istanbul, Türkiye
| | - Ebru Sağlam
- Department of Periodontology, Faculty of Dentistry, İstanbul Medeniyet University, Istanbul, Türkiye
| | - Levent Savran
- Department of Periodontology, Faculty of Dentistry, İzmir Katip Çelebi University, Izmir, Türkiye
| | - Serhat Köseoğlu
- Department of Periodontology, Faculty of Dentistry, İstanbul Medeniyet University, Istanbul, Türkiye
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Gao Y, Cai L, Wu Y, Jiang M, Zhang Y, Ren W, Song Y, Li L, Lei Z, Wu Y, Zhu L, Li J, Li D, Li G, Luo C, Tao L. Emerging functions and therapeutic targets of IL-38 in central nervous system diseases. CNS Neurosci Ther 2024; 30:e14550. [PMID: 38334236 PMCID: PMC10853902 DOI: 10.1111/cns.14550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 11/08/2023] [Accepted: 11/20/2023] [Indexed: 02/10/2024] Open
Abstract
Interleukin (IL)-38 is a newly discovered cytokine of the IL-1 family, which binds various receptors (i.e., IL-36R, IL-1 receptor accessory protein-like 1, and IL-1R1) in the central nervous system (CNS). The hallmark physiological function of IL-38 is competitive binding to IL-36R, as does the IL-36R antagonist. Emerging research has shown that IL-38 is abnormally expressed in the serum and brain tissue of patients with ischemic stroke (IS) and autism spectrum disorder (ASD), suggesting that IL-38 may play an important role in neurological diseases. Important advances include that IL-38 alleviates neuromyelitis optica disorder (NMOD) by inhibiting Th17 expression, improves IS by protecting against atherosclerosis via regulating immune cells and inflammation, and reduces IL-1β and CXCL8 release through inhibiting human microglial activity post-ASD. In contrast, IL-38 mRNA is markedly increased and is mainly expressed in phagocytes in spinal cord injury (SCI). IL-38 ablation attenuated SCI by reducing immune cell infiltration. However, the effect and underlying mechanism of IL-38 in CNS diseases remain inadequately characterized. In this review, we summarize the biological characteristics, pathophysiological role, and potential mechanisms of IL-38 in CNS diseases (e.g., NMOD, Alzheimer's disease, ASD, IS, TBI, and SCI), aiming to explore the therapeutic potential of IL-38 in the prevention and treatment of CNS diseases.
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Affiliation(s)
- Yuan Gao
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
- Department of NeurosurgeryPennsylvania State University College of MedicineState CollegePennsylvaniaUSA
- Department of Forensic ScienceWenzhou Medical UniversityWenzhouZhejiangChina
| | - Luwei Cai
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Yulu Wu
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Min Jiang
- Department of Forensic Medicine, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Yidan Zhang
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Wenjing Ren
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Yirui Song
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Lili Li
- Department of Child and Adolescent HealthcareChildren's Hospital of Soochow UniversitySuzhouChina
| | - Ziguang Lei
- Department of Forensic ScienceWenzhou Medical UniversityWenzhouZhejiangChina
| | - Youzhuang Wu
- Department of Forensic ScienceWenzhou Medical UniversityWenzhouZhejiangChina
| | - Luwen Zhu
- Department of Forensic ScienceWenzhou Medical UniversityWenzhouZhejiangChina
| | - Jing Li
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Dongya Li
- Department of OrthopedicsThe Affiliated Hospital of Xuzhou Medical UniversityXuzhouChina
| | - Guohong Li
- Department of NeurosurgeryPennsylvania State University College of MedicineState CollegePennsylvaniaUSA
| | - Chengliang Luo
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Luyang Tao
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
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Zarrabi M, Gholijani N, Amirghofran Z, Sadati MS, Radanfar R. Evaluation of IL-38, a Newly-introduced Cytokine, in Sera of Vitiligo Patients and Its Relation to Clinical Features. Dermatol Pract Concept 2024; 14:dpc.1401a27. [PMID: 38364436 PMCID: PMC10868822 DOI: 10.5826/dpc.1401a27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2023] [Indexed: 02/18/2024] Open
Abstract
INTRODUCTION Vitiligo is thought to be an autoimmune disorder caused by melanocytes dysfunction and depigmentation. Among different executors of the immune system in developing the disease, the role of various cytokines has been defined. OBJECTIVES We have focused on IL-38, the tenth member of IL-1 cytokine family with a proposed anti-inflammatory role, which has not hitherto been introduced as an anti-inflammatory factor in vitiligo. METHODS Sixty-nine generalized vitiligo patients and 72-year-old- and sex-matched healthy individuals were included in this study. IL-38 level was evaluated in sera of all participants using ELISA assay. The relation of IL-38 level to patients characteristics was evaluated. RESULTS IL-38 serum level in vitiligo patients (159.5±39.7 pg/ml) was lower than the healthy controls (166.7±34.8pg/ml) (P = 0.039). A weak negative correlation between the age of male patients and their IL-38 serum levels was identified (r = 0.38, P = 0.058). Evaluation of the IL-38 serum levels relationship with patients clinical characteristics showed no correlation with disease onset, stage of depigmentation, and disease activity status. CONCLUSIONS The lower levels of IL-38 as an anti-inflammatory cytokine support the inflammatory nature of vitiligo. It indicates the difference of IL-38 in sera of vitiligo patients and healthy controls, as the first report of the lower level of this cytokine in the context of vitiligo. The reason of this difference remains to be clarified; as there are not sufficient study reports revealing the role of gender, ethnicity and inflammation on the cytokine network in the context of vitiligo.
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Affiliation(s)
- Maryam Zarrabi
- Autoimmune Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nasser Gholijani
- Autoimmune Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Amirghofran
- Autoimmune Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Immunology Department, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Maryam Sadat Sadati
- Department of dermatology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Roya Radanfar
- Dermatology department, Shiraz University of Medical Sciences, Shiraz, Iran
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Dinarello A, May M, Amo-Aparicio J, Azam T, Gaballa JM, Marchetti C, Tesoriere A, Ghirardo R, Redzic JS, Webber WS, Atif SM, Li S, Eisenmesser EZ, de Graaf DM, Dinarello CA. IL-38 regulates intestinal stem cell homeostasis by inducing WNT signaling and beneficial IL-1β secretion. Proc Natl Acad Sci U S A 2023; 120:e2306476120. [PMID: 37906644 PMCID: PMC10636342 DOI: 10.1073/pnas.2306476120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 09/13/2023] [Indexed: 11/02/2023] Open
Abstract
The IL-1 Family member IL-38 has been characterized primarily as an antiinflammatory cytokine in human and mouse models of systemic diseases. Here, we examined the role of IL-38 in the murine small intestine (SI). Immunostaining of SI revealed that IL-38 expression partially confines to intestinal stem cells. Cultures of intestinal organoids reveal IL-38 functions as a growth factor by increasing organoid size via inducing WNT3a. In contrast, organoids from IL-38-deficient mice develop more slowly. This reduction in size is likely due to the downregulation of intestinal stemness markers (i.e., Fzd5, Ephb2, and Olfm4) expression compared with wild-type organoids. The IL-38 binding to IL-1R6 and IL-1R9 is still a matter of debate. Therefore, to analyze the molecular mechanisms of IL-38 signaling, we also examined organoids from IL-1R9-deficient mice. Unexpectedly, these organoids, although significantly smaller than wild type, respond to IL-38, suggesting that IL-1R9 is not involved in IL-38 signaling in the stem cell crypt. Nevertheless, silencing of IL-1R6 disabled the organoid response to the growth property of IL-38, thus suggesting IL-1R6 as the main receptor used by IL-38 in the crypt compartment. In organoids from wild-type mice, IL-38 stimulation induced low concentrations of IL-1β which contribute to organoid growth. However, high concentrations of IL-1β have detrimental effects on the cultures that were prevented by treatment with recombinant IL-38. Overall, our data demonstrate an important regulatory function of IL-38 as a growth factor, and as an antiinflammatory molecule in the SI, maintaining homeostasis.
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Affiliation(s)
- Alberto Dinarello
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
| | - Makenna May
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
| | - Jesus Amo-Aparicio
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
| | - Tania Azam
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
| | - Joseph M. Gaballa
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
| | - Carlo Marchetti
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
| | | | | | - Jasmina S. Redzic
- Department of Biochemistry and Molecular Genetics, School of Medicine, University of Colorado Denver, Aurora, CO80045
| | - William S. Webber
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
| | - Shaikh M. Atif
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
| | - Suzhao Li
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
| | - Elan Z. Eisenmesser
- Department of Biochemistry and Molecular Genetics, School of Medicine, University of Colorado Denver, Aurora, CO80045
| | - Dennis M. de Graaf
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
| | - Charles A. Dinarello
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO80045
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Mussakulova A, Balmukhanova A, Aubakirova A, Zhunusova G, Balmukhanova A, Issakhanova J, Saliev T, Tanabayeva S, Fakhradiyev I. Assessment of the levels of interleukin-17 and interleukin-38 in thyroid-associated ophthalmopathy patients. Int Ophthalmol 2023; 43:2811-2824. [PMID: 36894821 DOI: 10.1007/s10792-023-02679-1] [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: 06/03/2022] [Accepted: 02/25/2023] [Indexed: 03/11/2023]
Abstract
PURPOSE The objective of the study was to analyse the levels of IL-17 and IL-38 in the samples of unstimulated tears, orbital adipose tissues, and sera of patients diagnosed with active forms of TAO. The correlation of the levels of IL-17 and IL-38 with clinical activity score (CAS) was scrutinized. METHODS A study was conducted at the Kazakhstan Scientific Research Institute of Eye Diseases (Almaty city, Kazakhstan). Study participants (n = 70) were sub-divided into 3 groups: (1) a group of patients diagnosed with active TAO (n = 25), (2) a group of patients with an inactive form of TAO (n = 28), and (3) a "control group" (patients diagnosed with orbital fat prolapse, n = 17). All patients underwent a clinical assessment and diagnostics. The activity of the disease and its severity were assessed using the CAS and NOSPECS scales. Thyroid function tests were performed, including the study of the levels of thyroid-stimulating hormone, triiodothyronine, free thyroxine, and antibodies to the thyroid-stimulating hormone receptor. IL-17 and IL-38 levels in non-stimulated tear samples, orbital tissue, and patients' sera were measured using commercial ELISA kits. RESULTS The results showed that the number of former smokers prevailed among patients with active TAO (48%) in comparison with patients with inactive TAO (15.4%), p = 0.001. The concentration of IL-17 significantly increased in the samples of non-stimulated tears, adipose tissues of the orbit and sera of patients with active forms of TAO. The level of IL-38 was reduced in all types of samples (p ≤ 0.05). The results of a histological study of orbital adipose tissues in the group of patients with an active form of TAO showed the presence of focal infiltration with lymphocytes, histiocytes, plasma cells, severe sclerosis and vascular plethora. We observed an association between the CAS of patients with active TAO and the level of IL-17 in sera (r = 0.885; p = 0.001). On the contrary, a negative correlation was detected for the level of IL-38 in sera. CONCLUSIONS The results highlighted the systemic effect of IL-17 and the local effect of IL-38 in TAO. We observed a significant increase in the production of IL-17, and a decrease in IL-38 in samples of sera and unstimulated tears (the active form of TAO). Our data indicate a correlation of IL-17 and IL-38 levels with the clinical activity of TAO.
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Affiliation(s)
- Ainura Mussakulova
- S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan
| | - Aigul Balmukhanova
- S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan
| | | | | | | | | | - Timur Saliev
- S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan
| | - Shynar Tanabayeva
- S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan
| | - Ildar Fakhradiyev
- S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan.
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Chen W, Xi S, Ke Y, Lei Y. The emerging role of IL-38 in diseases: A comprehensive review. Immun Inflamm Dis 2023; 11:e991. [PMID: 37647430 PMCID: PMC10461426 DOI: 10.1002/iid3.991] [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: 04/06/2023] [Revised: 07/30/2023] [Accepted: 08/07/2023] [Indexed: 09/01/2023] Open
Abstract
INTRODUCTION Interleukin-38 (IL-38) is a new type of anti-inflammatory cytokine, which is mainly expressed in the immunity-related organs and is involved in various diseases including cardiovascular and cerebrovascular diseases, lung diseases, viral infectious diseases and autoimmune diseases. AIM This review aims to detail the biological function, receptors and signaling of IL-38, which highlights its therapeutic potential in related diseases. CONCLUSION This article provides a comprehensive review of the association between interleukin-38 and related diseases, using interleukin-38 as a keyword and searching the relevant literature through Pubmed and Web of science up to July 2023.
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Affiliation(s)
- Weijun Chen
- Center of Forensic ExpertiseAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
- School of Forensic MedcineZunyi Medical UniversityZunyiGuizhouChina
| | - Shuangyun Xi
- Center of Forensic ExpertiseAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
- School of Forensic MedcineZunyi Medical UniversityZunyiGuizhouChina
| | - Yong Ke
- Center of Forensic ExpertiseAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
- School of Forensic MedcineZunyi Medical UniversityZunyiGuizhouChina
| | - Yinlei Lei
- Center of Forensic ExpertiseAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
- School of Forensic MedcineZunyi Medical UniversityZunyiGuizhouChina
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Huard A, Wilmes C, Kiprina A, Netzer C, Palmer G, Brüne B, Weigert A. Cell Intrinsic IL-38 Affects B Cell Differentiation and Antibody Production. Int J Mol Sci 2023; 24:ijms24065676. [PMID: 36982750 PMCID: PMC10053218 DOI: 10.3390/ijms24065676] [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: 02/14/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/18/2023] Open
Abstract
IL-38 is an IL-1 family receptor antagonist with an emerging role in chronic inflammatory diseases. IL-38 expression has been mainly observed not only in epithelia, but also in cells of the immune system, including macrophages and B cells. Given the association of both IL-38 and B cells with chronic inflammation, we explored if IL-38 affects B cell biology. IL-38-deficient mice showed higher amounts of plasma cells (PC) in lymphoid organs but, conversely, lower levels of plasmatic antibody titers. Exploring underlying mechanisms in human B cells revealed that exogenously added IL-38 did not significantly affect early B cell activation or differentiation into plasma cells, even though IL-38 suppressed upregulation of CD38. Instead, IL-38 mRNA expression was transiently upregulated during the differentiation of human B cells to plasma cells in vitro, and knocking down IL-38 during early B cell differentiation increased plasma cell generation, while reducing antibody production, thus reproducing the murine phenotype. Although this endogenous role of IL-38 in B cell differentiation and antibody production did not align with an immunosuppressive function, autoantibody production induced in mice by repeated IL-18 injections was enhanced in an IL-38-deficient background. Taken together, our data suggest that cell-intrinsic IL-38 promotes antibody production at baseline but suppresses the production of autoantibodies in an inflammatory context, which may partially explain its protective role during chronic inflammation.
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Affiliation(s)
- Arnaud Huard
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
- Division of Rheumatology, Department of Medicine, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland
| | - Christian Wilmes
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Anastasiia Kiprina
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Christoph Netzer
- Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Gaby Palmer
- Division of Rheumatology, Department of Medicine, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland
- Geneva Center for Inflammation Research, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland
| | - Bernhard Brüne
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, 60596 Frankfurt, Germany
- Frankfurt Cancer Institute, Goethe-University Frankfurt, 60596 Frankfurt, Germany
- German Cancer Consortium (DKTK), Partner Site Frankfurt, 60590 Frankfurt, Germany
- Cardio-Pulmonary Institute (CPI), 60590 Frankfurt, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
- Frankfurt Cancer Institute, Goethe-University Frankfurt, 60596 Frankfurt, Germany
- German Cancer Consortium (DKTK), Partner Site Frankfurt, 60590 Frankfurt, Germany
- Cardio-Pulmonary Institute (CPI), 60590 Frankfurt, Germany
- Correspondence: ; Tel.: +49-69-6301-4593; Fax: +49-69-6301-420
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Serum interleukin-38 and -41 levels as candidate biomarkers in male infertility. Immunol Lett 2023; 255:47-53. [PMID: 36870420 DOI: 10.1016/j.imlet.2023.02.009] [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: 11/16/2022] [Revised: 02/25/2023] [Accepted: 02/26/2023] [Indexed: 03/06/2023]
Abstract
BACKGROUND Interleukin (IL)-38 and IL-41 are novel cytokines, but their role in male infertility (MI) is unknown. The purpose of this study was to measure the levels of serum IL-38 and IL-41 in patients with MI and correlate these levels with semen indexes. METHODS Eighty-two patients with MI and 45 healthy controls (HC) were recruited for this study. Semen parameters were detected using computer-aided sperm analysis, Papanicolaou staining, ELISA, flow cytometry, peroxidase staining and enzyme methods. Serum IL-38 and IL-41 levels were determined by ELISA. RESULTS Serum IL-38 levels were decreased (P < 0.01) in patients with MI compared with HC. Serum IL-41 levels were significantly higher in patients with MI than in HC (P < 0.0001). In patients with MI, serum IL-38 levels were positively correlated with semen white blood cell counts (r = 0.29, P = 0.009), and there was a positive correlation between semen white blood cell counts and sperm concentration (r = 0.28, P = 0.0100) and seminal plasma elastase (r = 0.67, P < 0.0001). Receiver operating characteristic curve analysis showed that the area under the curve of IL-38 for diagnosing MI was 0.5637 (P > 0.05), and the area under the curve of IL-41 for diagnosing MI was 0.7646 (P < 0.0001). CONCLUSIONS Serum IL-38 levels were significantly lower, and serum IL-41 levels were higher in patients with MI. These results suggest that IL-38 and IL-41 may be novel biomarkers for the diagnosis of MI.
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Green EA, Garrick SP, Peterson B, Berger PJ, Galinsky R, Hunt RW, Cho SX, Bourke JE, Nold MF, Nold-Petry CA. The Role of the Interleukin-1 Family in Complications of Prematurity. Int J Mol Sci 2023; 24:ijms24032795. [PMID: 36769133 PMCID: PMC9918069 DOI: 10.3390/ijms24032795] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/20/2023] [Accepted: 01/22/2023] [Indexed: 02/05/2023] Open
Abstract
Preterm birth is a major contributor to neonatal morbidity and mortality. Complications of prematurity such as bronchopulmonary dysplasia (BPD, affecting the lung), pulmonary hypertension associated with BPD (BPD-PH, heart), white matter injury (WMI, brain), retinopathy of prematurity (ROP, eyes), necrotizing enterocolitis (NEC, gut) and sepsis are among the major causes of long-term morbidity in infants born prematurely. Though the origins are multifactorial, inflammation and in particular the imbalance of pro- and anti-inflammatory mediators is now recognized as a key driver of the pathophysiology underlying these illnesses. Here, we review the involvement of the interleukin (IL)-1 family in perinatal inflammation and its clinical implications, with a focus on the potential of these cytokines as therapeutic targets for the development of safe and effective treatments for early life inflammatory diseases.
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Affiliation(s)
- Elys A. Green
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC 3168, Australia
- Monash Newborn, Monash Children’s Hospital, Melbourne, VIC 3168, Australia
| | - Steven P. Garrick
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC 3168, Australia
| | - Briana Peterson
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC 3168, Australia
| | - Philip J. Berger
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC 3168, Australia
| | - Robert Galinsky
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC 3168, Australia
- Department of Obstetrics and Gynaecology, Monash University, Melbourne, VIC 3168, Australia
| | - Rod W. Hunt
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC 3168, Australia
- Monash Newborn, Monash Children’s Hospital, Melbourne, VIC 3168, Australia
| | - Steven X. Cho
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC 3168, Australia
| | - Jane E. Bourke
- Department of Pharmacology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC 3168, Australia
| | - Marcel F. Nold
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC 3168, Australia
- Monash Newborn, Monash Children’s Hospital, Melbourne, VIC 3168, Australia
| | - Claudia A. Nold-Petry
- Ritchie Centre, Hudson Institute of Medical Research, Melbourne, VIC 3168, Australia
- Department of Paediatrics, Monash University, Melbourne, VIC 3168, Australia
- Correspondence:
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Kamal A, Basanti CWS, Kaushty MA, Abdelmegeid AK. Serum interleukin 38 (IL-38) as a new potential biomarker of pediatric asthma. THE EGYPTIAN JOURNAL OF BRONCHOLOGY 2022. [DOI: 10.1186/s43168-022-00139-5] [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
Bronchial asthma is considered the most prevalent chronic respiratory disease worldwide and is one of the main causes of hospitalization in the pediatric population. Serum interleukin 38 (IL-38) levels are elevated in several inflammatory and autoimmune diseases. However, its exact role in the pathogenesis of these diseases is unclear.
Objectives
To investigate the role of IL-38 as a potential biomarker in pediatric patients with bronchial asthma.
Methods
Serum IL-38 levels were measured in 73 pediatric patients with bronchial asthma (34 atopic and 39 non-atopic) and 30 age- and sex-matched healthy control subjects using enzyme-linked immunosorbent assay.
Results
Serum IL-38 levels were significantly higher in patients with bronchial asthma compared to the control group (p < 0.001). A significant negative correlation was found between serum IL-38 levels and both relative and absolute eosinophilic counts in the atopic group (R = −0.575, p < 0.001 and R = −0.474, p = 0.005, respectively).
Conclusion
IL-38 could be a useful prognostic and therapeutic biomarker of atopic asthma in pediatric patients.
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12
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Zhang P, Zhu H. Cytokines in Thyroid-Associated Ophthalmopathy. J Immunol Res 2022; 2022:2528046. [PMID: 36419958 PMCID: PMC9678454 DOI: 10.1155/2022/2528046] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/01/2022] [Accepted: 11/03/2022] [Indexed: 09/07/2023] Open
Abstract
Thyroid-associated ophthalmopathy (TAO), also known as thyroid eye disease (TED) or Graves' orbitopathy (GO), is a complex autoimmune condition causing visual impairment, disfigurement, and harm to patients' physical and mental health. The pathogenesis of TAO has not been fully elucidated, and the mainstream view is that coantigens shared by the thyroid and orbit trigger remodeling of extraocular muscles and orbital connective tissues through an inflammatory response. In recent years, cytokines and the immune responses they mediate have been crucial in disease progression, and currently, common evidence has shown that drugs targeting cytokines, such as tocilizumab, infliximab, and adalimumab, may be novel targets for therapy. In this review, we summarize the research development of different cytokines in TAO pathogenesis in the hope of discovering new therapeutic targets.
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Affiliation(s)
- Pengbo Zhang
- Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Huang Zhu
- Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
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13
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Wang Q, Ma L, An C, Wise SG, Bao S. The role of IL-38 in intestinal diseases - its potential as a therapeutic target. Front Immunol 2022; 13:1051787. [PMID: 36405715 PMCID: PMC9670310 DOI: 10.3389/fimmu.2022.1051787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022] Open
Abstract
IL-38, an anti-inflammatory cytokine, is a key regulator of homeostasis in host immunity. Intestinal immunity plays a critical role in defence against pathogenic invasion, as it is the largest surface organ and the most common entry point for micro-organisms. Dysregulated IL-38 activity is observed in several autoimmune diseases including systemic lupus erythematosus and atherosclerosis. The protective role of IL-38 is well illustrated in experimental colitis models, showing significantly worse colitis in IL-38 deficient mice, compared to wildtype mice. Moreover, exogenous IL-38 has been shown to ameliorate experimental colitis. Surprisingly, upregulated IL-38 is detected in inflamed tissue from inflammatory bowel disease patients, consistent with increased circulating cytokine levels, demonstrating the complex nature of host immunity in vivo. However, colonic IL-38 is significantly reduced in malignant tissues from patients with colorectal cancer (CRC), compared to adjacent non-cancerous tissue. Additionally, IL-38 expression in CRC correlates with 5-year survival, tumour size and differentiation, suggesting IL-38 plays a protective role during the development of CRC. IL-38 is also an independent biomarker for the prognosis of CRC, offering useful information in the management of CRC. Taken together, these data demonstrate the role of IL-38 in the maintenance of normal intestinal mucosal homeostasis, but that dysregulation of IL-38 contributes to initiation of chronic inflammatory bowel disease (resulting from persistent local inflammation), and that IL-38 provides protection during the development of colorectal cancer. Such data provide useful information for the development of novel therapeutic targets in the management of intestinal diseases for more precise medicine.
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Affiliation(s)
- Qiang Wang
- Department of Anatomy, School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Linna Ma
- Department of Pathology, School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Caiping An
- Department of Haematology and Nephropathy, Gansu Provincial Hospital, Lanzhou, Gansu, China
- *Correspondence: Caiping An, ; Shisan Bao,
| | - Steven G. Wise
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Shisan Bao
- Department of Anatomy, School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
- *Correspondence: Caiping An, ; Shisan Bao,
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14
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Mermoud L, Shutova M, Diaz‐Barreiro A, Talabot‐Ayer D, Drukala J, Wolnicki M, Kaya G, Boehncke W, Palmer G, Borowczyk J. IL-38 orchestrates proliferation and differentiation in human keratinocytes. Exp Dermatol 2022; 31:1699-1711. [PMID: 35833307 PMCID: PMC9796879 DOI: 10.1111/exd.14644] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 05/25/2022] [Accepted: 07/11/2022] [Indexed: 01/07/2023]
Abstract
Interleukin (IL)-38 is a member of the IL-1 cytokine family with reported anti-inflammatory activity. The highest constitutive IL-38 expression is detected in the skin, where it is mainly produced by differentiating keratinocytes. However, little data are available regarding its biological functions. In this study, we investigated the role of IL-38 in skin physiology. We demonstrate here that dermal fibroblasts and epithelial cells of skin appendages, such as eccrine sweat glands and sebaceous glands, also express IL-38. Next, using two- and three-dimensional cell cultures, we show that endogenous expression of IL-38 correlates with keratinocyte differentiation and its ectopic overexpression inhibits keratinocyte proliferation and enhances differentiation. Accordingly, immunohistochemical analysis revealed downregulation of IL-38 in skin pathologies characterized by keratinocyte hyperproliferation, such as psoriasis and basal or squamous cell carcinoma. Finally, intracellular IL-38 can shuttle between the nucleus and the cytoplasm and its overexpression modulates the activity of the transcription regulators YAP and ID1. Our results indicate that IL-38 can act independently from immune system activation and suggest that it may affect the epidermis directly by decreasing proliferation and promoting differentiation of keratinocytes. These data suggest an important role of keratinocyte-derived IL-38 in skin homeostasis and pathologies characterized by epidermal alterations.
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Affiliation(s)
- Loïc Mermoud
- Department of Pathology and Immunology, Faculty of MedicineUniversity of GenevaGenevaSwitzerland,Division of Rheumatology, Department of Medicine, Faculty of MedicineUniversity of GenevaGenevaSwitzerland
| | - Maria Shutova
- Department of Pathology and Immunology, Faculty of MedicineUniversity of GenevaGenevaSwitzerland
| | - Alejandro Diaz‐Barreiro
- Department of Pathology and Immunology, Faculty of MedicineUniversity of GenevaGenevaSwitzerland,Division of Rheumatology, Department of Medicine, Faculty of MedicineUniversity of GenevaGenevaSwitzerland
| | - Dominique Talabot‐Ayer
- Department of Pathology and Immunology, Faculty of MedicineUniversity of GenevaGenevaSwitzerland,Division of Rheumatology, Department of Medicine, Faculty of MedicineUniversity of GenevaGenevaSwitzerland
| | - Justyna Drukala
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and BiotechnologyJagiellonian UniversityCracowPoland
| | - Michal Wolnicki
- Department of Pediatric UrologyJagiellonian University Medical CollegeCracowPoland
| | - Gürkan Kaya
- Department of Pathology and Immunology, Faculty of MedicineUniversity of GenevaGenevaSwitzerland,Division of Clinical PathologyUniversity Hospital of GenevaGenevaSwitzerland
| | - Wolf‐Henning Boehncke
- Department of Pathology and Immunology, Faculty of MedicineUniversity of GenevaGenevaSwitzerland,Division of Dermatology and VenereologyUniversity HospitalsGenevaSwitzerland
| | - Gaby Palmer
- Department of Pathology and Immunology, Faculty of MedicineUniversity of GenevaGenevaSwitzerland,Division of Rheumatology, Department of Medicine, Faculty of MedicineUniversity of GenevaGenevaSwitzerland
| | - Julia Borowczyk
- Department of Pathology and Immunology, Faculty of MedicineUniversity of GenevaGenevaSwitzerland
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15
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Talabot-Ayer D, Diaz-Barreiro A, Modarressi A, Palmer G. Epigenetic remodeling of downstream enhancer regions is linked to selective expression of the IL1F10 gene in differentiated human keratinocytes. Gene 2022; 842:146800. [PMID: 35961432 DOI: 10.1016/j.gene.2022.146800] [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: 03/23/2022] [Revised: 07/02/2022] [Accepted: 08/05/2022] [Indexed: 11/04/2022]
Abstract
Interleukin (IL)-38, encoded by the IL1F10 gene, is a member of the IL-1 family of cytokines. IL-38 is constitutively expressed in epithelia in healthy humans, and in particular in epidermal keratinocytes in the skin. IL-38 expression is closely correlated with keratinocyte differentiation. The aim of this study was to further characterize the regulation of IL1F10 expression and the mechanisms involved in its selective induction in differentiated human keratinocytes. We observed coordinated expression of two IL1F10 transcripts, transcribed from two different promoters, upon differentiation of primary human keratinocytes. Using ENCODE datasets and ChIP-qPCR on ex vivo isolated normal human epidermis, we identified regulatory regions located downstream of the IL1F10 gene, which displayed features of differentiated keratinocyte-specific enhancers. Expression of the IL1F10 gene was linked to changes in the epigenetic landscape at these downstream enhancer regions in human epidermis. Overexpression of the transcription factors KLF4 and TAp63β in an immortalized normal human keratinocyte (iNHK) cell line promoted the expression of mRNA encoding the differentiation markers keratin 10 and involucrin, and of IL1F10. ChIP-qPCR experiments indicated that KLF4 and TAp63β overexpression also modified the chromatin state of the proximal downstream enhancer region, suggesting a role for KLF4 and TAp63β in directly or indirectly regulating IL1F10 transcription. In conclusion, expression of the IL1F10 gene in differentiated keratinocytes in normal human epidermis involves coordinated transcription from two promoters and is linked to epigenetic remodeling of enhancer regions located downstream of the gene.
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Affiliation(s)
- Dominique Talabot-Ayer
- Division of Rheumatology, Department of Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland; Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Alejandro Diaz-Barreiro
- Division of Rheumatology, Department of Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland; Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Ali Modarressi
- Division of Plastic, Reconstructive & Aesthetic Surgery, Department of Surgery, Geneva University Hospitals, Geneva, Switzerland
| | - Gaby Palmer
- Division of Rheumatology, Department of Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland; Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
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16
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Zhang XH, Li Y, Zhou L, Tian GP. Interleukin-38 in atherosclerosis. Clin Chim Acta 2022; 536:86-93. [PMID: 36150521 DOI: 10.1016/j.cca.2022.09.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 09/15/2022] [Accepted: 09/15/2022] [Indexed: 11/25/2022]
Abstract
Chronic inflammation caused by immune cells and their mediators is a characteristic of atherosclerosis. Interleukin-38 (IL-38), a member of the IL-1 family, exerts multiple anti-inflammatory effects via specific ligand-receptor interactions. Upon recognizing a specific receptor, IL-38 restrains mitogen-activated protein kinase (MAPK), nuclear factor kappa B (NK-κB), or other inflammation-related signaling pathways in inflammatory disease. Further research has shown that IL-38 also displays anti-atherosclerotic effects and reduces the occurrence and risk of cardiovascular events. On the one hand, IL-38 can regulate innate and adaptive immunity to inhibit inflammation, reduce pathological neovascularization, and inhibit apoptosis. On the other hand, it can curb obesity, reduce hyperlipidemia, and restrain insulin resistance to reduce cardiovascular disease risk. Therefore, this article expounds on the vital function of IL-38 in the development of atherosclerosis to provide a theoretical basis for further in-depth studies of IL-38 and insights on the prophylaxis and treatment of atherosclerosis.
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Affiliation(s)
- Xiao-Hong Zhang
- Department of Cardiovascular Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Yu Li
- Department of Orthopaedics, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430016, China
| | - Li Zhou
- Department of Pathology, Chongqing Public Health Medical Center, Southwest University Public Health Hospital, Chongqing 400036, China.
| | - Guo-Ping Tian
- Department of Cardiovascular Medicine, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China.
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17
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Abstract
Calcific aortic valve disease (CAVD) is common in people over the age of 65. Progressive valvular calcification is a characteristic of CAVD and due to chronic inflammation in aortic valve interstitial cells (AVICs) resulting in CAVD progression. IL-38 is a naturally occurring anti-inflammatory cytokine; here, we report lower levels of endogenous IL-38 in AVICs isolated from patients' CAVD valves compared to AVICs from non-CAVD valves. Recombinant IL-38 suppressed spontaneous inflammatory activity and calcium deposition in cultured AVICs. In mice, knockdown of IL-38 enhanced the production of inflammatory mediators in murine AVICs exposed to the proinflammatory stimulant matrilin-2. We also observed that in cultured AVICs matrilin-2 stimulation activated the NOD-, LRR-, and pyrin domain-containing protein 3 (NLRP3) inflammasome with procaspase-1 cleavage into active caspase-1. The addition of IL-38 to matrilin-2-treated AVICs suppressed caspase-1 activation and reduced the expression of intercellular adhesion molecule-1, vascular cell adhesion molecule-1, runt-related transcription factor 2, and alkaline phosphatase. Aged IL-38-deficient mice fed a high-fat diet exhibited aortic valve lesions compared to aged wild-type mice fed the same diet. The interleukin-1 receptor 9 (IL-1R9) is the putative receptor mediating the anti-inflammatory properties of IL-38; we observed that IL-1R9-deficient mice exhibited spontaneous aortic valve thickening and greater calcium deposition in AVICs compared to wild-type mice. These data demonstrate that IL-38 suppresses spontaneous and stimulated osteogenic activity in aortic valve via inhibition of the NLRP3 inflammasome and caspase-1. The findings of this study suggest that IL-38 has therapeutic potential for prevention of CAVD progression.
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18
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Zhou H, Zhao Q, Yue C, Yu J, Zheng H, Hu J, Hu Z, Zhang H, Teng X, Liu X, Wei X, Zhou Y, Zeng F, Hao Y, Hu Y, Wang X, Zhang C, Gu L, Wu W, Zhou Y, Cui K, Huang N, Li W, Wang Z, Li J. Interleukin-38 promotes skin tumorigenesis in an IL-1Rrp2-dependent manner. EMBO Rep 2022; 23:e53791. [PMID: 35578812 DOI: 10.15252/embr.202153791] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 03/16/2022] [Accepted: 03/30/2022] [Indexed: 02/05/2023] Open
Abstract
Interleukin-38 (IL-38) is strongly associated with chronic inflammatory diseases; however, its role in tumorigenesis is poorly understood. We demonstrated that expression of IL-38, which exhibits high expression in the skin, is downregulated in human cutaneous squamous cell carcinoma and 7,12-dimethylbenzanthracene/12-O-tetradecanoyl phorbol-13-acetate-induced mouse skin tumorigenesis. IL-38 keratinocyte-specific knockout mice displayed suppressed skin tumor formation and malignant progression. Keratinocyte-specific deletion of IL-38 was associated with reduced expression of inflammatory cytokines, leading to reduced myeloid cell infiltration into the local tumor microenvironment. IL-38 is dispensable for epidermal mutagenesis, but IL-38 keratinocyte-specific deletion reduces proliferative gene expression along with epidermal cell proliferation and hyperplasia. Mechanistically, we first demonstrated that IL-38 activates the c-Jun N-terminal kinase (JNK)/activator protein 1 signal transduction pathway to promote the expression of cancer-related inflammatory cytokines and proliferation and migration of tumor cells in an IL-1 receptor-related protein 2 (IL-1Rrp2)-dependent manner. Our findings highlight the role of IL-38 in the regulation of epidermal cell hyperplasia and pro-tumorigenic microenvironment through IL-1Rrp2/JNK and suggest IL-38/IL-1Rrp2 as a preventive and potential therapeutic target in skin cancer.
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Affiliation(s)
- Hong Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Qixiang Zhao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Chengcheng Yue
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Jiadong Yu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Huaping Zheng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Jing Hu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Zhonglan Hu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Haozhou Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Xiu Teng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Xiao Liu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Xiaoqiong Wei
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Yuxi Zhou
- Department of Dermatovenereology, West China Hospital, Sichuan University, Chengdu, China
| | - Fanlian Zeng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Yan Hao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Yawen Hu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Xiaoyan Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Chen Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Linna Gu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Wenling Wu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Yifan Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Kaijun Cui
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - Nongyu Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Wei Li
- Department of Dermatovenereology, West China Hospital, Sichuan University, Chengdu, China
| | - Zhen Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China.,Department of Liver Surgery & Liver Transplantation, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Jiong Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, China
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19
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de Graaf DM, Wang RX, Amo-Aparicio J, Lee JS, Dowdell AS, Tengesdal IW, Marchetti C, Colgan SP, Joosten LAB, Dinarello CA. IL-38 Gene Deletion Worsens Murine Colitis. Front Immunol 2022; 13:840719. [PMID: 35693797 PMCID: PMC9181991 DOI: 10.3389/fimmu.2022.840719] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 04/26/2022] [Indexed: 01/22/2023] Open
Abstract
IL-38 is a recently discovered cytokine and member of the IL-1 Family. In the IL-1 Family, IL-38 is unique because the cytokine is primarily a B lymphocyte product and functions to suppress inflammation. Studies in humans with inflammatory bowel disease (IBD) suggest that IL-38 may be protective for ulcerative colitis or Crohn’s disease, and that IL-38 acts to maintain homeostasis in the intestinal tract. Here we investigated the role of endogenous IL-38 in experimental colitis in mice deficient in IL-38 by deletion of exons 1-4 in C57 BL/6 mice. Compared to WT mice, IL-38 deficient mice subjected to dextran sulfate sodium (DSS) showed greater severity of disease, more weight loss, increased intestinal permeability, and a worse histological phenotype including increased neutrophil influx in the colon. Mice lacking IL-38 exhibited elevated colonic Nlrp3 mRNA and protein levels, increased caspase-1 activation, and the concomitant increased processing of IL-1β precursor into active IL-1β. Expression of IL-1α, an exacerbator of IBD, was also upregulated. Colonic myleloperoxidase protein and Il17a, and Il17f mRNA levels were higher in the IL-38 deficient mice. Daily treatment of IL-38 deficient mice with an NLRP3 inhibitor attenuated diarrhea and weight loss during the recovery phase. These data implicate endogenous IL-38 as an anti-inflammatory cytokine that reduces DSS colitis severity. We propose that a relative deficiency of IL-38 contributes to IBD by disinhibition of the NLRP3 inflammasome.
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Affiliation(s)
- Dennis M. de Graaf
- Department of Medicine, University of Colorado Denver, Aurora, CO, United States
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, Netherlands
- *Correspondence: Dennis M. de Graaf,
| | - Ruth X. Wang
- Mucosal Inflammation Program, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, United States
- Medical Scientist Training Program, University of Colorado School of Medicine, Aurora, CO, United States
| | - Jesús Amo-Aparicio
- Department of Medicine, University of Colorado Denver, Aurora, CO, United States
| | - J. Scott Lee
- Mucosal Inflammation Program, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, United States
| | - Alexander S. Dowdell
- Mucosal Inflammation Program, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, United States
| | - Isak W. Tengesdal
- Department of Medicine, University of Colorado Denver, Aurora, CO, United States
| | - Carlo Marchetti
- Department of Medicine, University of Colorado Denver, Aurora, CO, United States
| | - Sean P. Colgan
- Mucosal Inflammation Program, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, United States
| | - Leo A. B. Joosten
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, Netherlands
- Department of Medical Genetics, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Charles A. Dinarello
- Department of Medicine, University of Colorado Denver, Aurora, CO, United States
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, Netherlands
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20
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Li Z, Ding Y, Peng Y, Yu J, Pan C, Cai Y, Dong Q, Zhong Y, Zhu R, Yu K, Zeng Q. Effects of IL-38 on Macrophages and Myocardial Ischemic Injury. Front Immunol 2022; 13:894002. [PMID: 35634320 PMCID: PMC9136064 DOI: 10.3389/fimmu.2022.894002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 04/13/2022] [Indexed: 11/13/2022] Open
Abstract
Macrophages play an important role in clearing necrotic myocardial tissues, myocardial ischemia–reperfusion injury, and ventricular remodeling after myocardial infarction. M1 macrophages not only participate in the inflammatory response in myocardial tissues after infarction, which causes heart damage, but also exert a protective effect on the heart during ischemia. In contrast, M2 macrophages exhibit anti-inflammatory and tissue repair properties by inducing the production of high levels of anti-inflammatory cytokines and fibro-progenitor cells. Interleukin (IL)-38, a new member of the IL-1 family, has been reported to modulate the IL-36 signaling pathway by playing a role similar to that of the IL-36 receptor antagonist, which also affects the production and secretion of macrophage-related inflammatory factors that play an anti-inflammatory role. IL-38 can relieve myocardial ischemia–reperfusion injury by promoting the differentiation of M1 macrophages into M2 macrophages, inhibit the activation of NOD-like receptor thermal protein domain-associated protein 3 (NLRP3) inflammasome, and increase the secretion of anti-inflammatory cytokines, such as IL-10 and transforming growth factor-β. The intact recombinant IL-38 can also bind to interleukin 1 receptor accessory protein-like 1 (IL-1RAPL1) to activate the c-jun N-terminal kinase/activator protein 1 (JNK/AP1) pathway and increase the production of IL-6. In addition, IL-38 regulates dendritic cell-induced cardiac regulatory T cells, thereby regulating macrophage polarization and improving ventricular remodeling after myocardial infarction. Accordingly, we speculated that IL-38 and macrophage regulation may be therapeutic targets for ameliorating myocardial ischemic injury and ventricular remodeling after myocardial infarction. However, the specific mechanism of the IL-38 action warrants further investigation.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Kunwu Yu
- *Correspondence: Qiutang Zeng, ; Kunwu Yu,
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21
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Interleukin-38 in Health and Disease. Cytokine 2022; 152:155824. [DOI: 10.1016/j.cyto.2022.155824] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/31/2022] [Accepted: 02/04/2022] [Indexed: 12/13/2022]
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22
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Diaz-Barreiro A, Huard A, Palmer G. Multifaceted roles of IL-38 in inflammation and cancer. Cytokine 2022; 151:155808. [DOI: 10.1016/j.cyto.2022.155808] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/08/2022] [Accepted: 01/11/2022] [Indexed: 12/11/2022]
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23
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Dang J, He Z, Cui X, Fan J, Hambly DJ, Hambly BD, Li X, Bao S. The Role of IL-37 and IL-38 in Colorectal Cancer. Front Med (Lausanne) 2022; 9:811025. [PMID: 35186997 PMCID: PMC8847758 DOI: 10.3389/fmed.2022.811025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 01/10/2022] [Indexed: 12/25/2022] Open
Abstract
Colorectal cancer (CRC) is a major killer. Dysregulation of IL-37 and IL-38, both anti-inflammatory cytokines, is observed in auto-immune diseases. The precise regulatory mechanisms of IL-37/IL-38 during the development of CRC remains unclear, but chronic intestinal inflammation is involved in the carcinogenesis of CRC. Constitutive production of colonic IL-37 and IL-38 is substantially reduced in CRC, consistent with an inverse correlation with CRC differentiation. Reduced colonic IL-37 and IL-38 is relating to CRC invasion and distant metastasis, suggesting a protective role for IL-38 within the tumor micro-environment. IL-38 is reduced in right-sided CRC compared to left-sided CRC, which is in line with multiple risk factors for right-sided CRC, including the embryonic development of the colon, and genetic differences in CRC between these two sides. Finally, colonic IL-37 and tumor associated neutrophils (TAN) seem to be independent biomarkers of prognostic value, whereas colonic IL-38 seems to be a reliable and independent biomarker in predicting the 5-year survival post-surgery in CRC. However, there is room for improvement in available studies, including the extension of these studies to different regions/countries incorporating different races, evaluation of the role of multi-drug resistance, and different subsets of CRC. It would be useful to determine the kinetics of circulating IL-38 and its relationship with drug resistance/targeted therapy. The measurement of colonic IL-38 at the molecular and cellular level is required to explore the contribution of IL-38 pathways during the development of CRC. These approaches could provide insight for the development of personalized medicine.
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Affiliation(s)
- Jie Dang
- Child and Adolescent Health Management Center, Lanzhou University Second Hospital, Lanzhou, China
| | - Zhiyun He
- Department of General Surgery, Lanzhou University First Hospital, Lanzhou, China
| | - Xiang Cui
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, China
| | - Jingchun Fan
- Department of Epidemiology and Evidence-Based Medicine, School of Public Health, Centre for Evidence-Based Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - David J Hambly
- Resident Training Program, Gold Coast University Hospital, Southport, QLD, Australia
| | - Brett D Hambly
- Department of Epidemiology and Evidence-Based Medicine, School of Public Health, Centre for Evidence-Based Medicine, Gansu University of Chinese Medicine, Lanzhou, China.,Centre for Healthy Futures, Torrens University Australia, Sydney, NSW, Australia
| | - Xun Li
- Department of General Surgery, Lanzhou University First Hospital, Lanzhou, China
| | - Shisan Bao
- Department of Epidemiology and Evidence-Based Medicine, School of Public Health, Centre for Evidence-Based Medicine, Gansu University of Chinese Medicine, Lanzhou, China
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Huang G, Li M, Tian X, Jin Q, Mao Y, Li Y. The emerging roles of IL-36, IL-37, and IL-38 in diabetes mellitus and its complications. Endocr Metab Immune Disord Drug Targets 2022; 22:997-1008. [PMID: 35049442 DOI: 10.2174/1871530322666220113142533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/15/2021] [Accepted: 12/30/2021] [Indexed: 11/22/2022]
Abstract
Diabetes mellitus is a metabolic disease caused by a combination of genetics and environmental factors. The importance of the inflammatory response occurring in the pancreas and adipose tissue in the occurrence and progression of diabetes has been gradually accepted. Excess blood glucose and free fatty acids produce large amounts of inflammatory cytokines and chemokines through oxidative stress and endoplasmic reticulum stress. There is sufficient evidence that proinflammatory mediators, such as interleukin (IL)-1β, IL-6, macrophage chemotactic protein-1, and tumor necrosis factor-α, are engaged in the insulin resistance in peripheral adipose tissue and the apoptosis of pancreatic β-cells. IL-36, IL-37, and IL-38, as new members of the IL-1 family, play an indispensable effect in the regulation of immune system homeostasis and are involved in the pathogenesis of inflammatory and autoimmune diseases. Recently, the abnormal expression of IL-36, IL-37, and IL-38 in diabetes has been reported. In this review, we discuss the emerging functions, potential mechanisms, and future research directions on the role of IL-36, IL-37, and IL-38 in diabetes mellitus and its complications.
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Affiliation(s)
- Guoqing Huang
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China
| | - Mingcai Li
- School of Medicine, Ningbo University, Ningbo 315211, China
| | - Xiaoqing Tian
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China
| | - Qiankai Jin
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China
| | - Yushan Mao
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China
| | - Yan Li
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315020, China
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25
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Ohno M, Imai T, Chatani M, Nishida A, Inatomi O, Kawahara M, Hoshino T, Andoh A. The anti-inflammatory and protective role of interleukin-38 in inflammatory bowel disease. J Clin Biochem Nutr 2022; 70:64-71. [PMID: 35068683 PMCID: PMC8764106 DOI: 10.3164/jcbn.21-104] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 08/21/2021] [Indexed: 11/22/2022] Open
Abstract
Interleukin (IL)-38 exerts an anti-inflammatory function by binding to several cytokine receptors, including the IL-36 receptor. In this study, we evaluated IL-38 expression in the inflamed mucosa of patients with inflammatory bowel disease (IBD) and investigated its functions. IL-38 mRNA expression in endoscopic biopsy samples was evaluated using quantitative PCR. IL-38 protein expression was analyzed using immunohistochemical technique. Dextran sulfate sodium-induced colitis was induced in C57BL/6 background IL-38KO mice. The IL-38 mRNA and protein expression were enhanced in the active mucosa of ulcerative colitis, but not in Crohn's disease. The ratio of IL-36γ to IL-38 mRNA expression was significantly elevated in the active mucosa of UC patients. Immunofluorescence staining revealed that B cells are the major cellular source of IL-38 in the colonic mucosa. IL-38 dose-dependently suppressed the IL-36γ-induced mRNA expression of CXC chemokines (CXCL1, CXCL2, and CXCL8) in HT-29 and T84 cells. IL-38 inhibited the IL-36γ-induced activation of nuclear-factor kappa B (NF-κB) and mitogen-activated protein kinases in HT-29 cells. DSS-colitis was significantly exacerbated in IL-38KO mice compared to wild type mice. In conclusion, IL-38 may play an anti-inflammatory and protective role in the pathophysiology of IBD, in particular ulcerative colitis, through the suppression of IL-36-induced inflammatory responses.
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Affiliation(s)
- Masashi Ohno
- Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu 520-2192, Japan
| | - Takayuki Imai
- Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu 520-2192, Japan
| | - Motoharu Chatani
- Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu 520-2192, Japan
| | - Atsushi Nishida
- Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu 520-2192, Japan
| | - Osamu Inatomi
- Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu 520-2192, Japan
| | - Masahiro Kawahara
- Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu 520-2192, Japan
| | - Tomoaki Hoshino
- Division of Respirology, Neurology and Rheumatology, Kurume University School of Medicine, Asahimachi, Kurume 830-0011, Japan
| | - Akira Andoh
- Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu 520-2192, Japan
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The Role of Interleukins in the Pathogenesis of Dermatological Immune-Mediated Diseases. Adv Ther 2022; 39:4474-4508. [PMID: 35997892 PMCID: PMC9395905 DOI: 10.1007/s12325-022-02241-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 06/22/2022] [Indexed: 01/30/2023]
Abstract
Autoimmune inflammatory diseases are primarily characterized by deregulated expression of cytokines, which drive pathogenesis of these diseases. A number of approved and experimental therapies utilize monoclonal antibodies against cytokine proteins. Cytokines can be classified into different families including the interleukins, which are secreted and act on leukocytes, the tumor necrosis factor (TNF) family, as well as chemokine proteins. In this review article, we focus on the interleukin family of cytokines, of which 39 members have been identified to this date. We outline the role of each of these interleukins in the immune system, and various dermatological inflammatory diseases with a focused discussion on the pathogenesis of psoriasis and atopic dermatitis. In addition, we describe the roles of various interleukins in psychiatric, cardiovascular, and gastrointestinal comorbidities. Finally, we review clinical efficacy and safety data from emerging late-phase anti-interleukin therapies under development for psoriasis and atopic dermatitis. Collectively, additional fundamental and clinical research remains necessary to fully elucidate the roles of various interleukin proteins in the pathogenesis of inflammatory dermatologic diseases, and treatment outcomes in patients.
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Li H, Zhu L, Wang R, Xie L, Chen Y, Duan R, Liu X, Huang Z, Chen B, Li Z, Wang X, Su W. Therapeutic Effect of IL-38 on Experimental Autoimmune Uveitis: Reprogrammed Immune Cell Landscape and Reduced Th17 Cell Pathogenicity. Invest Ophthalmol Vis Sci 2021; 62:31. [PMID: 34967854 PMCID: PMC8727319 DOI: 10.1167/iovs.62.15.31] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 12/13/2021] [Indexed: 11/24/2022] Open
Abstract
Purpose The purpose of this study was to elucidate the effects of interleukin (IL)-38 on experimental autoimmune uveitis (EAU) and its underlying mechanisms. Methods Mice with EAU were treated with IL-38, and the retinas and cervical draining lymph nodes (CDLNs) were analyzed by flow cytometry. Single-cell RNA sequencing (scRNA-seq) was conducted to analyze the immune cell profiles of CDLNs from normal, EAU, and IL-38-treated mice. Results Administration of IL-38 attenuated EAU symptoms and reduced the proportion of T helper 17 (Th17) and T helper 1 (Th1) cells in the retinas and CDLNs. In scRNA-seq analysis, IL-38 downregulated the IL-17 signaling pathway and reduced the expression of Th17 cell pathogenicity-related genes (Csf2 and Il23r), findings which were also confirmed by flow cytometry. In vitro, IL-38 reduced the granulocyte-macrophage colony-stimulating factor (GM-CSF) stimulation function of IL-23 and inhibited IL-23R expression in Th17 cells. Moreover, when co-cultured with Th17 cells, IL-38 prevented IL-23 production in antigen-presenting cells (APCs). Conclusions Our data demonstrate the therapeutic effect of IL-38 on EAU, and suggest that the effect of IL-38 may be caused by dampening of the GM-CSF/IL-23R/IL-23 feedback loop between Th17 cells and APCs.
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Affiliation(s)
- He Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Lei Zhu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Rong Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Lihui Xie
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Yuxi Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Runping Duan
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Xiuxing Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Zhaohao Huang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Binyao Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Zhaohuai Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
| | - Xianggui Wang
- Eye Center of Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, China
| | - Wenru Su
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou, China
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28
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IL-1 family cytokines as drivers and inhibitors of trained immunity. Cytokine 2021; 150:155773. [PMID: 34844039 DOI: 10.1016/j.cyto.2021.155773] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/12/2021] [Accepted: 11/15/2021] [Indexed: 12/20/2022]
Abstract
Trained immunity is the long-term memory of innate immune cells, characterised by increased pro-inflammatory responses towards homo- and heterologous secondary stimuli. Interleukin (IL)-1 signalling plays an essential role in the induction of trained immunity, also called innate immune memory. As such, certain anti-inflammatory members of the IL-1 family of cytokines (IL-1F) which interfere with the inflammatory process have the potential to regulate the induction of a trained phenotype. The aim of this review is to provide an update on the role of IL-1F members in the context of trained immunity, emphasising the role of anti-inflammatory cytokines from the IL-1F to inhibit the induction of trained immunity, and touching upon their potential as therapeutics in IL-1-driven inflammatory disorders.
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Xu J, Huang G, Weng L, Gong L, Mao Y, Li Y, Li M. Low serum interleukin-38 levels in patients with Graves' disease and Hashimoto's thyroiditis. J Clin Lab Anal 2021; 36:e24101. [PMID: 34799942 PMCID: PMC8761401 DOI: 10.1002/jcla.24101] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/23/2021] [Accepted: 10/25/2021] [Indexed: 01/09/2023] Open
Abstract
Background Autoimmune thyroid disease (AITD) mainly includes Graves’ disease (GD) and Hashimoto's thyroiditis (HT), which is caused by individual genetics, autoimmune dysfunction, and a variety of external environmental factors. Interleukin (IL)‐38 is involved in a wide range of autoimmune diseases, but little is known about IL‐38 expression in AITD. Methods Fifty patients with GD, 50 with HT, and 50 healthy controls (HC) were enrolled in this study. Basic information of the participants was obtained through a physical examination. Immunological data were obtained by an automatic chemiluminescence immunoanalyzer. C‐reactive protein (CRP) concentrations and the white blood cell count were measured. Serum IL‐38 levels were determined by an enzyme‐linked immunosorbent assay. Results Serum IL‐38 levels were significantly lower in the GD and HT groups than in the HC group (both p < 0.01). Serum CRP concentrations were significantly lower in the HT group than in the HC group (p < 0.05). Receiver operating characteristic curve analysis showed that the area under the curve was 0.7736 (p < 0.01) for IL‐38 and 0.7972 (p < 0.01) for IL‐38 combined with CRP in the GD group. In the HT group, the area under the curve was 0.7276 (p < 0.01) for IL‐38 and 0.7300 for IL‐38 combined with CRP (p < 0.01). Conclusions The results suggest that serum IL‐38 level is a potential new diagnostic biomarker in patients with GD and HT.
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Affiliation(s)
- Jialu Xu
- Department of Clinical Laboratory, The Affiliated Lihuili Hospital, Ningbo University, Ningbo, China.,Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo, China
| | - Guoqing Huang
- Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo, China.,Department of Endocrinology, The Affiliated Hospital of Medical School, Ningbo University, Ningbo, China
| | - Linjie Weng
- Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo, China
| | - Luping Gong
- Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo, China
| | - Yushan Mao
- Department of Endocrinology, The Affiliated Hospital of Medical School, Ningbo University, Ningbo, China
| | - Yan Li
- Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo, China.,Department of Endocrinology, The Affiliated Hospital of Medical School, Ningbo University, Ningbo, China
| | - Mingcai Li
- Department of Immunology, Zhejiang Key Laboratory of Pathophysiology, Ningbo University School of Medicine, Ningbo, China
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30
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Wu YR, Hsing CH, Chiu CJ, Huang HY, Hsu YH. Roles of IL-1 and IL-10 family cytokines in the progression of systemic lupus erythematosus: Friends or foes? IUBMB Life 2021; 74:143-156. [PMID: 34668305 DOI: 10.1002/iub.2568] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 09/03/2021] [Accepted: 09/28/2021] [Indexed: 12/20/2022]
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease of unknown etiology that can affect nearly every organ system in the body. Besides genetic and environmental factors, unbalanced pro-inflammatory and anti-inflammatory cytokines contribute to immune dysregulation, trigger an inflammatory response, and induce tissue and organ damage. Inflammatory responses in SLE can be promoted and/or maintained by the availability of cytokines that are overproduced systemically and/or in local tissues. Several key cytokines have been considered potential targets for the reduction of chronic inflammation in SLE. Recent studies indicated that dysregulated production of several cytokines, including those of the IL-1 family and IL-10 family, orchestrate immune activation and self-tolerance, play critical roles in the pathogenesis of SLE. Among IL-1 family cytokines, IL-1, IL-18, IL-33, IL-36, IL-37, and IL-38 had been the most thoroughly investigated in SLE. Additionally, IL-10 family cytokines, IL-10, IL-20, IL-22, IL-26, IL-28, and IL-29 are dysregulated in SLE. Therefore, a better understanding of the initiation and progression of SLE may provide suitable novel targets for therapeutic intervention. In this review, we discuss the involvement of inflammation in the pathogenesis of SLE, with a focus on IL-1 family and IL-10 family cytokines, and highlight pathophysiological approaches and therapeutic potential for treating SLE.
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Affiliation(s)
- Yi-Rou Wu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chung-Hsi Hsing
- Department of Anesthesiology, Chi Mei Medical Center, Tainan, Taiwan.,Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
| | - Chiao-Juno Chiu
- Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Hsin-Yi Huang
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Hsiang Hsu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Clinical Medicine Research Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Boersma B, Jiskoot W, Lowe P, Bourquin C. The interleukin-1 cytokine family members: Role in cancer pathogenesis and potential therapeutic applications in cancer immunotherapy. Cytokine Growth Factor Rev 2021; 62:1-14. [PMID: 34620560 DOI: 10.1016/j.cytogfr.2021.09.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 09/20/2021] [Indexed: 02/06/2023]
Abstract
The interleukin-1 (IL-1) family is one of the first described cytokine families and consists of eight cytokines (IL-1β, IL-1α, IL-18, IL-33, IL-36α, IL-36β, IL-36γ and IL-37) and three receptor antagonists (IL-1Ra, IL-36Ra and IL-38). The family members are known to play an essential role in inflammation. The importance of inflammation in cancer has been well established in the past decades. This review sets out to give an overview of the role of each IL-1 family member in cancer pathogenesis and show their potential as potential anticancer drug candidates. First, the molecular structure is described. Next, both the pro- and anti-tumoral properties are highlighted. Additionally, a critical interpretation of current literature is given. To conclude, the IL-1 family is a toolbox with a collection of powerful tools that can be considered as potential drugs or drug targets.
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Affiliation(s)
- Bart Boersma
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1211 Geneva, Switzerland; School of Pharmaceutical Sciences, University of Geneva, 1211 Geneva, Switzerland.
| | - Wim Jiskoot
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research (LACDR), Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands.
| | - Peter Lowe
- Department of Biomolecule Generation and Optimization, Institut de Recherche Pierre Fabre, Centre d'Immunologie Pierre Fabre, Saint-Julien-en-Genevois, France.
| | - Carole Bourquin
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1211 Geneva, Switzerland; School of Pharmaceutical Sciences, University of Geneva, 1211 Geneva, Switzerland; Department of Anesthesiology, Pharmacology and Intensive Care, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland.
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Han MM, Yuan XR, Shi X, Zhu XY, Su Y, Xiong DK, Zhang XM, Zhou H, Wang JN. The Pathological Mechanism and Potential Application of IL-38 in Autoimmune Diseases. Front Pharmacol 2021; 12:732790. [PMID: 34539413 PMCID: PMC8443783 DOI: 10.3389/fphar.2021.732790] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 08/17/2021] [Indexed: 12/19/2022] Open
Abstract
Interleukin-38 (IL-38), a new cytokine of interleukin-1 family (IL-1F), is expressed in the human heart, kidney, skin, etc. Recently, new evidence indicated that IL-38 is involved in the process of different autoimmune diseases. Autoimmune diseases are a cluster of diseases accompanied with tissue damage caused by autoimmune reactions, including rheumatoid arthritis (RA), psoriasis, etc. This review summarized the links between IL-38 and autoimmune diseases, as well as the latest knowledge about the function and regulatory mechanism of IL-38 in autoimmune diseases. Especially, this review focused on the differentiation of immune cells and explore future prospects, such as the application of IL-38 in new technologies. Understanding the function of IL-38 is helpful to shed light on the progress of autoimmune diseases.
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Affiliation(s)
- Miao-Miao Han
- School of Health Management, Anhui Medical University, Hefei, China
| | - Xin-Rong Yuan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Shi
- School of Health Management, Anhui Medical University, Hefei, China
| | - Xing-Yu Zhu
- School of Pharmacy, Bengbu Medical College, Bengbu, China.,National Drug Clinical Trial Institution, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Yue Su
- National Drug Clinical Trial Institution, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China.,Public Basic College, Bengbu Medical College, Bengbu, China
| | - De-Kai Xiong
- School of Health Management, Anhui Medical University, Hefei, China
| | - Xing-Min Zhang
- School of Health Management, Anhui Medical University, Hefei, China
| | - Huan Zhou
- School of Pharmacy, Bengbu Medical College, Bengbu, China.,National Drug Clinical Trial Institution, The First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Ji-Nian Wang
- Department of Education, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
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33
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Shi L, Ye H, Huang J, Li Y, Wang X, Xu Z, Chen J, Xiao W, Chen R, Yang H. IL-38 Exerts Anti-Inflammatory and Antifibrotic Effects in Thyroid-Associated Ophthalmopathy. J Clin Endocrinol Metab 2021; 106:e3125-e3142. [PMID: 33693700 DOI: 10.1210/clinem/dgab154] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Indexed: 11/19/2022]
Abstract
CONTEXT Thyroid-associated ophthalmopathy (TAO) is an organ-specific autoimmune disease closely associated with Graves' disease. IL-38, a novel cytokine in the IL-1 superfamily, has been reported to be involved in the pathogenesis of various autoimmune diseases. OBJECTIVE We aimed to evaluate the relationship between IL-38 and TAO disease activity and its role in inflammation and fibrosis in TAO. METHODS Blood samples and orbital connective tissues were collected from TAO patients and controls. Orbital fibroblasts were isolated from patients with TAO. Enzyme-linked immunosorbent assay, immunohistochemistry, flow cytometry, immunofluorescence, quantitative real-time PCR and Western blot analysis were performed. RESULTS Here, we demonstrated that IL-38 levels decreased in the circulation and orbital connective tissues of patients with TAO compared with the controls, and levels were negatively correlated with the clinical activity score. In vitro, potent anti-inflammatory and antifibrotic effects of IL-38 were observed. Furthermore, we revealed that IL-38 can counteract the phosphorylation of star molecules in multiple classical pathways. CONCLUSION IL-38 plays a protective role in TAO and is associated with its pathogenesis. Our data suggest that IL-38 may be a promising marker of TAO disease activity and a potential target for TAO therapy.
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Affiliation(s)
- Lu Shi
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Huijing Ye
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Jun Huang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Yanbing Li
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Xing Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Zhihui Xu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Jingqiao Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Wei Xiao
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Rongxin Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Huasheng Yang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
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Martin P, Goldstein JD, Mermoud L, Diaz-Barreiro A, Palmer G. IL-1 Family Antagonists in Mouse and Human Skin Inflammation. Front Immunol 2021; 12:652846. [PMID: 33796114 PMCID: PMC8009184 DOI: 10.3389/fimmu.2021.652846] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 02/22/2021] [Indexed: 12/23/2022] Open
Abstract
Interleukin (IL)-1 family cytokines initiate inflammatory responses, and shape innate and adaptive immunity. They play important roles in host defense, but excessive immune activation can also lead to the development of chronic inflammatory diseases. Dysregulated IL-1 family signaling is observed in a variety of skin disorders. In particular, IL-1 family cytokines have been linked to the pathogenesis of psoriasis and atopic dermatitis. The biological activity of pro-inflammatory IL-1 family agonists is controlled by the natural receptor antagonists IL-1Ra and IL-36Ra, as well as by the regulatory cytokines IL-37 and IL-38. These four anti-inflammatory IL-1 family members are constitutively and highly expressed at steady state in the epidermis, where keratinocytes are a major producing cell type. In this review, we provide an overview of the current knowledge concerning their regulatory roles in skin biology and inflammation and their therapeutic potential in human inflammatory skin diseases. We further highlight some common misunderstandings and less well-known observations, which persist in the field despite recent extensive interest for these cytokines.
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Affiliation(s)
- Praxedis Martin
- Division of Rheumatology, Department of Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Jérémie D. Goldstein
- Division of Rheumatology, Department of Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Loïc Mermoud
- Division of Rheumatology, Department of Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Alejandro Diaz-Barreiro
- Division of Rheumatology, Department of Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Gaby Palmer
- Division of Rheumatology, Department of Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
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Xia HS, Liu Y, Fu Y, Li M, Wu YQ. Biology of interleukin-38 and its role in chronic inflammatory diseases. Int Immunopharmacol 2021; 95:107528. [PMID: 33725637 DOI: 10.1016/j.intimp.2021.107528] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/08/2021] [Accepted: 02/21/2021] [Indexed: 02/07/2023]
Abstract
Interleukin (IL)-38 is the tenth member of the IL-1 cytokine family. IL-38 shares high similarity with IL-36Ra and IL-1Ra and can bind to their receptors, thus exerting an anti-inflammatory effect. Despite the lack of a signal peptide, IL-38 can be released from several cell types, but its maturation process remains obscure. The role of IL-38 in numerous inflammatory diseases, especially in autoimmune diseases, has been extensively studied. In this review, we discuss the characteristics, biological functions and pathways of IL-38, as well as its role in several chronic inflammatory diseases. Better understanding the role of IL-38 will pave the way for clinical treatments in the near future.
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Affiliation(s)
- Hua-Song Xia
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi, China
| | - Yue Liu
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi, China
| | - Yang Fu
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi, China
| | - Meng Li
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi, China
| | - Yan-Qing Wu
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi, China.
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36
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Griffiths JS, Camilli G, Kotowicz NK, Ho J, Richardson JP, Naglik JR. Role for IL-1 Family Cytokines in Fungal Infections. Front Microbiol 2021; 12:633047. [PMID: 33643264 PMCID: PMC7902786 DOI: 10.3389/fmicb.2021.633047] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 01/15/2021] [Indexed: 12/15/2022] Open
Abstract
Fungal pathogens kill approximately 1.5 million individuals per year and represent a severe disease burden worldwide. It is estimated over 150 million people have serious fungal disease such as recurrent mucosal infections or life-threatening systemic infections. Disease can ensue from commensal fungi or new infection and involves different fungal morphologies and the expression of virulence factors. Therefore, anti-fungal immunity is complex and requires coordination between multiple facets of the immune system. IL-1 family cytokines are associated with acute and chronic inflammation and are essential for the innate response to infection. Recent research indicates IL-1 cytokines play a key role mediating immunity against different fungal infections. During mucosal disease, IL-1R and IL-36R are required for neutrophil recruitment and protective Th17 responses, but function through different mechanisms. During systemic disease, IL-18 drives protective Th1 responses, while IL-33 promotes Th2 and suppresses Th1 immunity. The IL-1 family represents an attractive anti-fungal immunotherapy target. There is a need for novel anti-fungal therapeutics, as current therapies are ineffective, toxic and encounter resistance, and no anti-fungal vaccine exists. Furthering our understanding of the IL-1 family cytokines and their complex role during fungal infection may aid the development of novel therapies. As such, this review will discuss the role for IL-1 family cytokines in fungal infections.
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Affiliation(s)
- James S Griffiths
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, United Kingdom
| | - Giorgio Camilli
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, United Kingdom
| | - Natalia K Kotowicz
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, United Kingdom
| | - Jemima Ho
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, United Kingdom
| | - Jonathan P Richardson
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, United Kingdom
| | - Julian R Naglik
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, United Kingdom
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Xu Z, Yuan X, Gao Q, Li Y, Li M. Interleukin-38 overexpression prevents bleomycin-induced mouse pulmonary fibrosis. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2021; 394:391-399. [PMID: 32577797 DOI: 10.1007/s00210-020-01920-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 06/07/2020] [Indexed: 12/28/2022]
Abstract
Pulmonary fibrosis is a kind of pulmonary disorder with chronic inflammation and excessive collagen deposition, and its etiology is not clear. Interleukin (IL)-38 is a new member of IL-1 family cytokines, but its role in pulmonary fibrosis has not been elucidated. In this study, a lentivirus expressing IL-38 was injected into the nasal cavity of mice with bleomycin-induced pulmonary fibrosis. We found that IL-38 overexpression reduced the body weight loss and improved the survival of mice induced by bleomycin. Furthermore, IL-38 expression attenuated the pulmonary inflammation and fibrosis damage induced by bleomycin, decreased the production of pro-inflammatory and pro-fibrotic cytokines such as IL-1β, IL-6, IL-17A, monocyte chemoattractant protein-1, and tumor necrosis factor-α, but increased the release of anti-inflammatory cytokine IL-1 receptor antagonist (IL-1Ra) in the lungs of bleomycin-challenged mice. Our data suggest that IL-38 may inhibit bleomycin-induced pulmonary inflammation and fibrosis through its anti-inflammatory effect and regulation of IL-1β/IL-1Ra balance, and IL-38 may be a new strategy for the treatment of pulmonary fibrosis.
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Affiliation(s)
- Zhiwei Xu
- Ningbo University School of Medicine, Ningbo, 315211, Zhejiang, China
- Department of Critical Care Medicine, Ningbo Medical Center, Li Huili Hospital, Jiangnan Road 1111, Ningbo, 315103, Zhejiang, China
| | - Xianli Yuan
- Ningbo University School of Medicine, Ningbo, 315211, Zhejiang, China
| | - Qiaoyan Gao
- Ningbo University School of Medicine, Ningbo, 315211, Zhejiang, China
| | - Yan Li
- Ningbo University School of Medicine, Ningbo, 315211, Zhejiang, China
| | - Mingcai Li
- Ningbo University School of Medicine, Ningbo, 315211, Zhejiang, China.
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38
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Huard A, Do HN, Frank AC, Sirait-Fischer E, Fuhrmann D, Hofmann MCJ, Raue R, Palmer G, Brüne B, de Bruin N, Weigert A. IL-38 Ablation Reduces Local Inflammation and Disease Severity in Experimental Autoimmune Encephalomyelitis. THE JOURNAL OF IMMUNOLOGY 2021; 206:1058-1066. [PMID: 33504620 DOI: 10.4049/jimmunol.2000923] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 12/22/2020] [Indexed: 12/28/2022]
Abstract
IL-38 is an IL-1 family receptor antagonist that restricts IL-17-driven inflammation by limiting cytokine production from macrophages and T cells. In the current study, we aimed to explore its role in experimental autoimmune encephalomyelitis in mice, which is, among others, driven by IL-17. Unexpectedly, IL-38-deficient mice showed strongly reduced clinical scores and histological markers of experimental autoimmune encephalomyelitis. This was accompanied by reduced inflammatory cell infiltrates, including macrophages and T cells, as well as reduced expression of inflammatory markers in the spinal cord. IL-38 was highly expressed by infiltrating macrophages in the spinal cord, and in vitro activated IL-38-deficient bone marrow-derived macrophages showed reduced expression of inflammatory markers, accompanied by altered cellular metabolism. These data suggest an alternative cell-intrinsic role of IL-38 to promote inflammation in the CNS.
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Affiliation(s)
- Arnaud Huard
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Hoai Nam Do
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Ann-Christin Frank
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Evelyn Sirait-Fischer
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Dominik Fuhrmann
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | | | - Rebecca Raue
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Gaby Palmer
- Department of Pathology-Immunology, University of Geneva School of Medicine, 1211 Geneva, Switzerland; and.,Division of Rheumatology, Department of Medicine, University Hospitals, 1211 Geneva, Switzerland
| | - Bernhard Brüne
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany.,Fraunhofer Institute for Translational Medicine and Pharmacology, 65926 Frankfurt, Germany
| | - Natasja de Bruin
- Fraunhofer Institute for Translational Medicine and Pharmacology, 65926 Frankfurt, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany;
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de Graaf DM, Maas RJA, Smeekens SP, Eisenmesser E, Redzic JS, Helsen MM, Powers NE, Li S, Kalabokis V, Gresnigt MS, Joosten LAB, Dinarello CA, van de Veerdonk FL. Human recombinant interleukin-38 suppresses inflammation in mouse models of local and systemic disease. Cytokine 2021; 137:155334. [PMID: 33128926 PMCID: PMC7725974 DOI: 10.1016/j.cyto.2020.155334] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 09/18/2020] [Accepted: 10/01/2020] [Indexed: 12/16/2022]
Abstract
Interleukin (IL)-38 belongs to the IL-1 family and is part of the IL-36 subfamily due to its binding to the IL-36 Receptor (IL-1R6). In the current study, we assessed the anti-inflammatory properties of IL-38 in murine models of arthritis and systemic inflammation. First, the anti-inflammatory properties of mouse and human IL-38 precursors were compared to forms with a truncated N-terminus. In mouse bone marrow derived dendritic cells (BMDC), human and mouse IL-38 precursors with a truncation of the two N-terminal amino acids (3-152) suppressed LPS-induced IL-6. Recombinant human IL-38 (3-152) was further investigated for its immunomodulatory potential using four murine models of inflammatory disease: streptococcal cell wall (SCW)-induced arthritis, monosodium urate (MSU) crystal-induced arthritis, MSU crystal-induced peritonitis, and systemic endotoxemia. In each of these models IL-38 significantly reduced inflammation. In SCW and MSU crystal-induced arthritis, joint swelling, inflammatory cell influx, and synovial levels of IL-1β, IL-6, and KC were reduced by 50% or greater. These suppressive properties of IL-38 in SCW-induced arthritis were independent of the anti-inflammatory co-receptor IL-1R8, as IL-38 reduced arthritis equally in IL-1R8 deficient and WT mice. In MSU crystal-induced peritonitis, IL-38 reduced hypothermia, while plasma IL-6 and KC and peritoneal KC levels were reduced by 65-70%. In the LPS endotoxemia model, IL-38 pretreatment reduced systemic IL-6, TNFα and KC. Furthermore, in ex vivo cultured bone marrow, LPS-induced IL-6, TNFα and KC were reduced by 75-90%. Overall, IL-38 exhibits broad anti-inflammatory properties in models of systemic and local inflammation and therefore may be an effective cytokine therapy.
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Affiliation(s)
- Dennis M de Graaf
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA; Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Ralph J A Maas
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA; Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands; Laboratory of Hematology, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Sanne P Smeekens
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA; Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Elan Eisenmesser
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver, Aurora, CO, USA.
| | - Jasmina S Redzic
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver, Aurora, CO, USA.
| | - Monique M Helsen
- Department of Rheumatology, Radboud University Medical Center Nijmegen, Nijmegen, The Netherlands.
| | - Nicholas E Powers
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA.
| | - Suzhao Li
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA.
| | | | - Mark S Gresnigt
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA; Junior Research Group Adaptive Pathogenicity Strategies, Leibniz Institute for Natural Product Research and Infection Biology - Hans Knoell Institute, Jena, Germany.
| | - Leo A B Joosten
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA; Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands; Department of Medical Genetics, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
| | - Charles A Dinarello
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA; Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Frank L van de Veerdonk
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA; Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
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40
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Elevated IL-38 inhibits IL-23R expression and IL-17A production in thyroid-associated ophthalmopathy. Int Immunopharmacol 2020; 91:107300. [PMID: 33383445 DOI: 10.1016/j.intimp.2020.107300] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 11/16/2020] [Accepted: 12/11/2020] [Indexed: 12/15/2022]
Abstract
IL-23/IL-23R and PGE2/EP2+EP4 have been recognized as crucial signals that promote Th17 differentiation in many autoimmune diseases, including thyroid-associated ophthalmopathy (TAO). However, the interactive role of IL-23R in IL-23/Th17 signaling and PGE2/Th17 signaling has not been clarified in TAO. Furthermore, the role of IL-38, a novel anti-inflammatory cytokine, has not been explored in TAO. Thus, we aimed to investigate the roles of IL-23R and IL-38 in the pathogenesis of TAO. Activated peripheral blood mononuclear cells (PBMCs) were cultured with or without IL-23 and PGE2. The results showed that IL-23R and IL-17A were upregulated to different degrees and reached the highest levels with both stimuli, indicating that IL-23 induced PBMCs to secrete PGE2, which further boosted the proportion of IL-23R+CD4+T cells to promote IL-17A secretion. Pretreatment with antagonists aimed at EP2/EP4 receptors diminished PGE2-induced upregulation of IL-23R and IL-17A. IL-38 in TAO patients was increased. Activated orbital fibroblasts (OFs) and PBMCs were pretreated with different concentrations of IL-38. IL-23R and IL-17A expression in circulating PBMCs and IL-6 and IL-8 in resident OFs were suppressed by IL-38 at relatively low concentrations. Our findings suggest that the feedback loop of IL-23/IL-23R/PGE2/EP2+EP4/IL-23R/IL-17A plays a significant role in the pathogenesis of TAO and that IL-23R is one of the key targets. Increased IL-38 in TAO could not only inhibit the expression of IL-23R and IL-17A in PBMCs but also suppress inflammation in OFs. Therapies targeting IL-23R may be effective, and IL-38 could be a potential therapeutic approach for TAO.
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41
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de Graaf DM, Jaeger M, van den Munckhof ICL, Ter Horst R, Schraa K, Zwaag J, Kox M, Fujita M, Yamauchi T, Mercurio L, Madonna S, Rutten JHW, de Graaf J, Riksen NP, van de Veerdonk FL, Netea MG, Joosten LAB, Dinarello CA. Reduced concentrations of the B cell cytokine interleukin 38 are associated with cardiovascular disease risk in overweight subjects. Eur J Immunol 2020; 51:662-671. [PMID: 33125159 PMCID: PMC7983920 DOI: 10.1002/eji.201948390] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 08/28/2020] [Accepted: 10/28/2020] [Indexed: 12/21/2022]
Abstract
The IL‐1 family member IL‐38 (IL1F10) suppresses inflammatory and autoimmune conditions. Here, we report that plasma concentrations of IL‐38 in 288 healthy Europeans correlate positively with circulating memory B cells and plasmablasts. IL‐38 correlated negatively with age (p = 0.02) and was stable in 48 subjects for 1 year. In comparison with primary keratinocytes, IL1F10 expression in CD19+ B cells from PBMC was lower, whereas cell‐associated IL‐38 expression was comparable. In vitro, IL‐38 is released from CD19+ B cells after stimulation with rituximab. Intravenous LPS in humans failed to induce circulating IL‐38, compared to 100‐fold induction of IL‐6 and IL‐1 receptor antagonist. In a cohort of 296 subjects with body mass index > 27 at high risk for cardiovascular disease, IL‐38 plasma concentrations were significantly lower than in healthy subjects (p < 0.0001), and lowest in those with metabolic syndrome (p < 0.05). IL‐38 also correlated inversely with high sensitivity C‐reactive protein (p < 0.01), IL‐6, IL‐1Ra, and leptin (p < 0.05). We conclude that a relative deficiency of the B cell product IL‐38 is associated with increased systemic inflammation in aging, cardiovascular and metabolic disease, and is consistent with IL‐38 as an anti‐inflammatory cytokine.
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Affiliation(s)
- Dennis M de Graaf
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA.,Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Martin Jaeger
- Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Inge C L van den Munckhof
- Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Rob Ter Horst
- Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Kiki Schraa
- Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jelle Zwaag
- Department of Intensive Care Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Matthijs Kox
- Department of Intensive Care Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Mayumi Fujita
- Department of Dermatology, University of Colorado Denver, Aurora, CO, USA
| | - Takeshi Yamauchi
- Department of Dermatology, University of Colorado Denver, Aurora, CO, USA
| | - Laura Mercurio
- Laboratory of Experimental Immunology, IDI-IRCCS, Fondazione Luigi M. Monti, Rome, Italy
| | - Stefania Madonna
- Laboratory of Experimental Immunology, IDI-IRCCS, Fondazione Luigi M. Monti, Rome, Italy
| | - Joost H W Rutten
- Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jacqueline de Graaf
- Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Niels P Riksen
- Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Frank L van de Veerdonk
- Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Mihai G Netea
- Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Leo A B Joosten
- Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
| | - Charles A Dinarello
- Department of Medicine, University of Colorado Denver, Aurora, CO, USA.,Department of Internal Medicine and Radboud Institute of Molecular Life Science (RIMLS), Radboud University Medical Center, Nijmegen, The Netherlands
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42
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Xu WD, Su LC, Liu XY, Wang JM, Yuan ZC, Qin Z, Zhou XP, Huang AF. IL-38: A novel cytokine in systemic lupus erythematosus pathogenesis. J Cell Mol Med 2020; 24:12379-12389. [PMID: 33079487 PMCID: PMC7686966 DOI: 10.1111/jcmm.15737] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 06/22/2020] [Accepted: 07/30/2020] [Indexed: 12/16/2022] Open
Abstract
IL‐38 is a newly identified cytokine that belongs to the IL‐1 family. In our previous study, we found elevated plasma levels of IL‐38 in patients with systemic lupus erythematosus (SLE). However, the clear relationship of IL‐38 expression in plasma, peripheral blood mononuclear cells (PBMCs) and clinical and laboratory features needs elucidation. Additionally, we evaluated the possible role of IL‐38 in regulating production of inflammatory cytokines in PBMCs in vitro. A pristane‐induced murine lupus model was used to further demonstrate the effects of IL‐38 on cytokines in vivo and discuss the significance of IL‐38 in lupus development. The results showed that mRNA expression of IL‐38 in PBMCs of patients with SLE was elevated compared with volunteers, and expression of IL‐38 in both plasma and PBMCs was strongly related to clinical features, such as haematuria and proteinuria, and correlated with a SLEDAI score. Plasma levels of TNF‐α, IL‐1β, IL‐6 and IL‐23 were elevated in patients with SLE and were related to plasma levels of IL‐38. In vitro, PBMCs of patients with SLE stimulated with IL‐38 showed a decreased expression of the four inflammatory cytokines compared with PBMCs of patients without treatment. Interestingly, IL‐38 administration in lupus mice significantly reduced the development of lupus, such as reduced proteinuria, improved histological examinations of the kidneys and down‐regulated inflammatory cytokines. In conclusion, IL‐38 may suppress synthesis of pro‐inflammatory cytokines and therefore regulate lupus pathogenesis.
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Affiliation(s)
- Wang-Dong Xu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, China
| | - Lin-Chong Su
- Department of Rheumatology and Immunology, Minda Hospital of Hubei Minzu University, Enshi, China
| | - Xiao-Yan Liu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, China
| | - Jia-Min Wang
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, China
| | - Zhi-Chao Yuan
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, China
| | - Zhen Qin
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Xi-Ping Zhou
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - An-Fang Huang
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, Luzhou, China
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43
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Luo D, Chen Y, Zhou N, Li T, Wang H. Blockade of Th17 response by IL-38 in primary Sjögren's syndrome. Mol Immunol 2020; 127:107-111. [PMID: 32950755 DOI: 10.1016/j.molimm.2020.09.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 08/10/2020] [Accepted: 09/07/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND T helper 17 (Th17) cell responses were involved in the pathophysiology of primary Sjögren's syndrome (pSS). IL-38 has been reported to inhibit the secretion of chemokines involved in Th17 pathway. This study aimed to explore the regulation of Th17 response by IL-38 in pSS. METHODS Twenty-four pSS patients, 15 non-pSS control, and 13 health subjects were recruited. The expression of IL-38 and Th17 cytokines were detected and compared between pSS and controls. Human peripheral blood mononuclear cells (PBMCs) and minor salivary gland mononuclear cells (MSGMs) were purified and stimulated by IL-38. The differentiation and function of Th17 cells were evaluated by PCR and enzyme-linked immunosorbent assay (ELISA). RESULTS The pSS patients presented with significantly lower expression of IL-38 and higher Th17 cytokines (IL-17 and IL-23) compared with both non-pSS and healthy controls. The IL-38 inhibited the differentiation and function of Th17 responses from PBMCs and MSGMs. The IL-38 treatment could inhibit the Th17 response in mice model. CONCLUSIONS IL-38 inhibits T helper 17 type responses in pSS, suggesting that IL-38 may be used as potential treatment target in pSS.
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Affiliation(s)
- Dongyuan Luo
- Department of Stomatology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yu Chen
- Department of Stomatology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Niangou Zhou
- Department of Stomatology, the 74thArmy Group Hospital, CPLA, Guangzhou, China
| | - Ting Li
- Department of Stomatology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Hongtao Wang
- Department of Stomatology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.
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Han Y, Huard A, Mora J, da Silva P, Brüne B, Weigert A. IL-36 family cytokines in protective versus destructive inflammation. Cell Signal 2020; 75:109773. [PMID: 32898612 DOI: 10.1016/j.cellsig.2020.109773] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 12/14/2022]
Abstract
The IL-1 family of cytokines and receptors are critical regulators of inflammation. Within the IL-1 family and in contrast to its IL-1 and IL-18 subfamilies, the IL-36 subfamily is still poorly characterized. Three pro-inflammatory agonists IL-36α, IL-36β, IL-36γ, one IL-36 receptor (IL-1R6) antagonist, IL-36RA, and one putative IL-1R6 antagonist, IL-38, have been grouped into the IL-36 cytokine subfamily. IL-36 agonists signal through a common receptor complex to serve as early triggers of inflammatory responses by activating and cross-regulating a number of inflammatory pathways including NF-κB, MAPK and IFN signaling. IL-36RA binds to IL-1R6 to limit inflammatory signaling, while IL-38 may be an antagonist of more than one IL-1 family receptor. Expression patterns of IL-36 family cytokines, being most prominently expressed in epithelial barrier tissues such as the skin and intestines as well as in immune cells, suggest a role in protecting these barriers from infection. Dysregulation of IL-36 family cytokine signaling at physiological barriers, most prominently the skin, induces autoimmune inflammation. However, transferring the potential of IL-36 to induce tissue damage to tumors might benefit cancer patients. Here we summarize signaling pathways regulated by IL-36 family cytokines, including IL-38, and the consequences for physiological protective and pathophysiological destructive inflammation. Moreover, we discuss the limits of current knowledge on IL-36 family function to open potential avenues for research in the future.
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Affiliation(s)
- Yingying Han
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany; Special Key Laboratory of Oral Diseases Research, Higher Education Institutions of Guizhou Province, Zunyi Medical University, Zunyi 563006, Guizhou, China; School of Stomatology, Zunyi Medical University, Zunyi 563006, Guizhou, China
| | - Arnaud Huard
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany
| | - Javier Mora
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany; Faculty of Microbiology, University of Costa Rica, San José 2060, Costa Rica
| | - Priscila da Silva
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany; Translational Medicine and Pharmacology (TMP), Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Frankfurt 60590, Germany
| | - Bernhard Brüne
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany; Translational Medicine and Pharmacology (TMP), Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Frankfurt 60590, Germany; Frankfurt Cancer Institute, Goethe-University Frankfurt, Frankfurt 60596, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, Frankfurt 60590, Germany; Frankfurt Cancer Institute, Goethe-University Frankfurt, Frankfurt 60596, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt, Germany.
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Hiz P, Kanbur E, Demir N, Akalin H, Cagan E, Pashazadeh M, Bal SH, Tezcan G, Oral HB, Budak F. Roles of novel IL-1 family (IL-36, IL-37, and IL-38) members in chronic brucellosis. Cytokine 2020; 135:155211. [PMID: 32736334 DOI: 10.1016/j.cyto.2020.155211] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 06/20/2020] [Accepted: 07/13/2020] [Indexed: 12/20/2022]
Abstract
The secretion of interleukin (IL)-1 family cytokines is one of the most potent and earliest pro-inflammatory responses triggered by brucellosis. However, the roles of the most recently discovered IL-1 family members, IL-36, IL-37, and IL-38, in the transition into the chronic form of brucellos is remain largely unknown. Therefore, in this study, the roles of IL-36, IL-37, and IL-38 in brucella infections and their effects on the transition from the acute to chronic form of the disease were investigated. Using peripheral blood samples from 40 patients with acute brucellosis, 40 patients with chronic brucellosis, and 40 healthy control subjects, we analysed the serum concentrations of secreted IL-36, IL-37, and IL-38 using ELISA. The findings were confirmed by using RT-qPCR to analyse the mRNA levels of the genes encoding IL-36, IL-37, and IL-38 in peripheral blood mononuclear cells (PBMCs) from 10 randomly selected patients from each of the three groups. Our results showed that serum IL-37 (p < 0.001) and IL-38 (p < 0.001) concentrations were lower in patients with brucellosis than in the healthy controls. In addition, serum IL-37 and IL-38 concentrations were higher in the chronic patient group than in the acute patient group. The mRNA expression levels of IL-37 and IL1F10, genes that encode IL-38, did not affect serum cytokine secretion levels. This result suggests that the high secretion levels of IL-37 and IL-38 may be related to the progression into the chronic form of brucellosis. Our findings will aid in clarifying the mechanism of the transition of brucellosis from the acute to the chronic form of the disease.
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Affiliation(s)
- Pinar Hiz
- Department of Immunology, Faculty of Medicine, Bursa Uludağ University, Bursa, Turkey
| | - Ertan Kanbur
- Department of Immunology, Faculty of Medicine, Bursa Uludağ University, Bursa, Turkey
| | - Nesrin Demir
- Department of Immunology, Faculty of Medicine, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Halis Akalin
- Department of Clinical Microbiology and Infection Diseases, Faculty of Medicine, Bursa Uludağ University, Bursa, Turkey.
| | - Eren Cagan
- Clinics of Child Infection, Bursa Yuksek Ihtisas Education and Research Hospital, Health Sciences University, Bursa, Turkey
| | - Mehrdat Pashazadeh
- Department of Immunology, Faculty of Medicine, Bursa Uludağ University, Bursa, Turkey
| | - Salih Haldun Bal
- Department of Immunology, Faculty of Medicine, Bursa Uludağ University, Bursa, Turkey.
| | - Gulcin Tezcan
- Department of Fundamental Science, Faculty of Dentistry, Bursa Uludağ University, Bursa, Turkey.
| | - Haluk Barbaros Oral
- Department of Immunology, Faculty of Medicine, Bursa Uludağ University, Bursa, Turkey.
| | - Ferah Budak
- Department of Immunology, Faculty of Medicine, Bursa Uludağ University, Bursa, Turkey.
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Migliorini P, Italiani P, Pratesi F, Puxeddu I, Boraschi D. The IL-1 family cytokines and receptors in autoimmune diseases. Autoimmun Rev 2020; 19:102617. [PMID: 32663626 DOI: 10.1016/j.autrev.2020.102617] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 03/13/2020] [Indexed: 12/12/2022]
Abstract
The role of the cytokines and receptors of the IL-1 family in inflammation is well known. Several cytokines of the family have a powerful inflammatory activity, with IL-1β being the best-characterized factor. The inflammatory activity of IL-1 cytokines is regulated by other factors of the family, including receptor antagonists, soluble receptors and anti-inflammatory cytokines. The causative role of IL-1β is well-established in autoinflammatory diseases, mainly due to gain-of-function mutations in genes encoding the IL-1β-maturing inflammasome. Exaggerated production of IL-1β and IL-18 correlates with disease and disease severity also in several autoimmune and chronic inflammatory and degenerative pathologies, although it is not clear whether they have a causative role or are only involved in the downstream disease symptoms. A better understanding of the pathological role of IL-1 family cytokines in autoimmunity involves a deeper evaluation, in the pathological situations, of the possible anomalies in the feed-back anti-inflammatory mechanisms that in physiological reactions control and dump IL-1-mediated inflammation. Thus, we expect that IL-1 cytokines may be pathogenic only when, in addition to enhanced production, there is a concomitant failure of their control mechanisms. In this review we will examine the current knowledge on the role of IL-1 family cytokines in autoimmune and chronic inflammatory and degenerative diseases, with a particular focus on their endogenous control mechanisms, mainly based on soluble receptors/inhibitors and receptor antagonists. This will allow us to formulate a knowledge-based hypothesis on the involvement of IL-1 cytokines in the pathogenesis vs. the clinical features of these diseases.
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Affiliation(s)
- Paola Migliorini
- Clinical Immunology and Allergy Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Paola Italiani
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Napoli, Italy
| | - Federico Pratesi
- Clinical Immunology and Allergy Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Ilaria Puxeddu
- Clinical Immunology and Allergy Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Diana Boraschi
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Napoli, Italy
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Kinoshita F, Tagawa T, Akamine T, Takada K, Yamada Y, Oku Y, Kosai K, Ono Y, Tanaka K, Wakasu S, Oba T, Osoegawa A, Shimokawa M, Oda Y, Hoshino T, Mori M. Interleukin-38 promotes tumor growth through regulation of CD8 + tumor-infiltrating lymphocytes in lung cancer tumor microenvironment. Cancer Immunol Immunother 2020; 70:123-135. [PMID: 32653939 DOI: 10.1007/s00262-020-02659-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 07/02/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Interleukin (IL)-38 was discovered in 2001 and is a member of the IL-1 family of cytokines. IL-38 shows anti-inflammatory activity in several inflammatory diseases. In lung adenocarcinoma, we previously demonstrated that high IL-38 expression in tumor cells was associated with poor prognosis. However, the role of IL-38 in the tumor microenvironment has not been clarified. METHODS IL-38-plasmid-transfected Lewis lung carcinoma cells (LLC-IL38) and empty vector-transfected LLC cells (LLC-vector) were established. Cell proliferation in vitro and tumor growth in vivo were examined, and immunohistochemical staining was used to assess tumor-infiltrating lymphocytes (TILs). A CD8+ lymphocyte depletion model was established to show the association between IL-38 and CD8+ lymphocytes. Moreover, we examined the association between IL-38 expression and CD8+ TILs in human samples, analyzing immunohistochemical staining in 226 patients with radically resected lung adenocarcinoma. RESULTS Tumor growth of LLC-IL38 in vivo was significantly increased compared with that of LLC-vector, although cell proliferation of LLC-IL38 in vitro was lower than that of LLC-vector. CD8+ TILs were significantly decreased in LLC-IL38 tumor compared with LLC-vector tumor. The difference in tumor growth between LLC-IL38 and LLC-vector became insignificant after depletion of CD8+ lymphocytes. In immunohistochemical staining in tissues from patients with lung adenocarcinoma, multivariate analysis showed high IL-38 expression was an independent negative predicter of high density of CD8+ TILs. CONCLUSION We demonstrated that high IL-38 expression in tumor cells was significantly associated with reduction of CD8+ TILs and tumor progression. These results suggest that IL-38 could be a therapeutic target for lung cancer.
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Affiliation(s)
- Fumihiko Kinoshita
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Tetsuzo Tagawa
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
| | - Takaki Akamine
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Kazuki Takada
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yuichi Yamada
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuka Oku
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Keisuke Kosai
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yuki Ono
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Kensuke Tanaka
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Sho Wakasu
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Taro Oba
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Atsushi Osoegawa
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Mototsugu Shimokawa
- Department of Biostatistics, Graduate School of Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tomoaki Hoshino
- Department of Medicine, Division of Respirology, Neurology and Rheumatology, Kurume University School of Medicine, Fukuoka, Japan
| | - Masaki Mori
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
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Han Y, Mora J, Huard A, da Silva P, Wiechmann S, Putyrski M, Schuster C, Elwakeel E, Lang G, Scholz A, Scholz T, Schmid T, de Bruin N, Billuart P, Sala C, Burkhardt H, Parnham MJ, Ernst A, Brüne B, Weigert A. IL-38 Ameliorates Skin Inflammation and Limits IL-17 Production from γδ T Cells. Cell Rep 2020; 27:835-846.e5. [PMID: 30995480 DOI: 10.1016/j.celrep.2019.03.082] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 03/04/2019] [Accepted: 03/21/2019] [Indexed: 01/25/2023] Open
Abstract
Interleukin-38 (IL-38) is a cytokine of the IL-1 family with a role in chronic inflammation. However, its main cellular targets and receptors remain obscure. IL-38 is highly expressed in the skin and downregulated in psoriasis patients. We report an investigation in cellular targets of IL-38 during the progression of imiquimod-induced psoriasis. In this model, IL-38 knockout (IL-38 KO) mice show delayed disease resolution with exacerbated IL-17-mediated inflammation, which is reversed by the administration of mature IL-38 or γδ T cell-receptor-blocking antibodies. Mechanistically, X-linked IL-1 receptor accessory protein-like 1 (IL1RAPL1) is upregulated upon γδ T cell activation to feedforward-amplify IL-17 production and is required for IL-38 to suppress γδ T cell IL-17 production. Accordingly, psoriatic IL1RAPL1 KO mice show reduced inflammation and IL-17 production by γδ T cells. Our findings indicate a role for IL-38 in the regulation of γδ T cell activation through IL1RAPL1, with consequences for auto-inflammatory disease.
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Affiliation(s)
- Yingying Han
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany; Special Key Laboratory of Oral Diseases Research, Higher Education Institutions of Guizhou Province, Zunyi Medical University, 563006 Zunyi, Guizhou, China; School of Stomatology, Zunyi Medical University, 563006 Zunyi, Guizhou, China
| | - Javier Mora
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany; Faculty of Microbiology, University of Costa Rica, 2060 San José, Costa Rica
| | - Arnaud Huard
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Priscila da Silva
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Svenja Wiechmann
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt am Main, Germany; Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, 60590 Frankfurt, Germany
| | - Mateusz Putyrski
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, 60590 Frankfurt, Germany
| | - Christian Schuster
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Eiman Elwakeel
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Guangping Lang
- Institute of Molecular Cell Biology, Center for Molecular Biomedicine (CMB), Jena University Hospital, 07745 Jena, Germany
| | - Anica Scholz
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Tatjana Scholz
- Division of Rheumatology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Tobias Schmid
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany
| | - Natasja de Bruin
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, 60590 Frankfurt, Germany
| | - Pierre Billuart
- Institut Cochin, Institut National de la Santé et de la Recherche Médicale U1016, Centre National de la Recherche Scientifique UMR8104, Université Paris Descartes, Paris 75014, France
| | - Carlo Sala
- National Research Council Neuroscience Institute, 20129 Milan, Italy; Department of Medical Biotechnology and Translational Medicine, Università degli Studi di Milano, 20129 Milan, Italy
| | - Harald Burkhardt
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, 60590 Frankfurt, Germany; Division of Rheumatology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Michael J Parnham
- Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, 60590 Frankfurt, Germany
| | - Andreas Ernst
- Institute of Clinical Pharmacology, Pharmazentrum Frankfurt/ZAFES, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt am Main, Germany; Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, 60590 Frankfurt, Germany
| | - Bernhard Brüne
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany; Branch for Translational Medicine and Pharmacology TMP, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, 60590 Frankfurt, Germany
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany.
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Tsang MSM, Sun X, Wong CK. The Role of New IL-1 Family Members (IL-36 and IL-38) in Atopic Dermatitis, Allergic Asthma, and Allergic Rhinitis. Curr Allergy Asthma Rep 2020; 20:40. [PMID: 32533268 DOI: 10.1007/s11882-020-00937-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Since the discovery of its very first member in 1974, the IL-1 family has expanded into a group of 11 potent molecules which are essential in both innate and acquired immunity. Pro-inflammatory cytokines IL-36α, IL-36β, and IL-36γ and their receptor antagonists IL-36Ra and IL-38, which belong to the IL-36 subfamily, are some of the most recently identified members. Recent studies show that these members possess pro-inflammatory and anti-inflammatory activities and may take part in the pathogenesis of allergy. In this review, the involvement and importance of these newly described IL-1 family members in the most common allergic diseases, i.e., atopic dermatitis (AD), allergic asthma, and allergic rhinitis, will be discussed. RECENT FINDINGS Dysregulation of IL-36 and IL-38 was observed in the skin and respiratory tract of AD, allergic rhinitis, and allergic asthma individuals. Although the upregulation in IL-36α and IL-36γ observed in the lesional skin of AD patients was unexpectedly small, IL-36 may play an important role in AD pathogenesis especially upon Staphylococcus aureus colonization. While IL-36γ regulates eosinophils to induce an inflammatory response in allergic rhinitis, IL-36α was found to regulate Th17 immunity. IL-36 receptor antagonists, IL-36Ra and IL-38, however, both show promising anti-inflammatory activities against allergic asthma. Of note, IL-38 in allergic asthmatic children is significantly lower than their healthy counterparts, while the anti-inflammatory effects of IL-38 in allergic asthma exacerbation upon viral-like infection were demonstrated in in vitro, HDM-induced, and humanized mice models. Dysregulated expression of IL-36 and IL-38 observed in allergic patients and mice models revealed that they may have essential roles in the pathogenesis in AD, allergic rhinitis, and allergic asthma, especially during the host defense against pathogens at inflammatory sites. Their receptor antagonists, IL-36Ra and IL-38, could also be promising biologics in the control of allergy. Since allergic diseases are phenotypically complex, contradictory data obtained in different studies may be explained if further stratification of disease endotypes is explored. Genetically modified mice model and investigation in anti-IL-36 treatment may be useful to characterize the therapeutic potential of these cytokines in the regulation of allergy in the future.
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Affiliation(s)
- Miranda Sin-Man Tsang
- Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong.,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
| | - Xiaoyu Sun
- Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Chun Kwok Wong
- Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong. .,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. .,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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50
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Sun X, Hou T, Cheung E, Iu TNT, Tam VWH, Chu IMT, Tsang MSM, Chan PKS, Lam CWK, Wong CK. Anti-inflammatory mechanisms of the novel cytokine interleukin-38 in allergic asthma. Cell Mol Immunol 2020; 17:631-646. [PMID: 31645649 PMCID: PMC7264207 DOI: 10.1038/s41423-019-0300-7] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 09/15/2019] [Indexed: 12/13/2022] Open
Abstract
We elucidated the anti-inflammatory mechanisms of IL-38 in allergic asthma. Human bronchial epithelial cells and eosinophils were cocultured upon stimulation with the viral RLR ligand poly (I:C)/LyoVec or infection-related cytokine TNF-α to induce expression of cytokines/chemokines/adhesion molecules. House dust mite (HDM)-induced allergic asthma and humanized allergic asthma NOD/SCID murine models were established to assess anti-inflammatory mechanisms in vivo. IL-38 significantly inhibited induced proinflammatory IL-6, IL-1β, CCL5, and CXCL10 production, and antiviral interferon-β and intercellular adhesion molecule-1 expression in the coculture system. Mass cytometry and RNA-sequencing analysis revealed that IL-38 could antagonize the activation of the intracellular STAT1, STAT3, p38 MAPK, ERK1/2, and NF-κB pathways, and upregulate the expression of the host defense-related gene POU2AF1 and anti-allergic response gene RGS13. Intraperitoneal injection of IL-38 into HDM-induced allergic asthma mice could ameliorate airway hyperreactivity by decreasing the accumulation of eosinophils in the lungs and inhibiting the expression of the Th2-related cytokines IL-4, IL-5, and IL-13 in the bronchoalveolar lavage fluid (BALF) and lung homogenates. Histological examination indicated lung inflammation was alleviated by reductions in cell infiltration and goblet cell hyperplasia, together with reduced Th2, Th17, and innate lymphoid type 2 cell numbers but increased proportions of regulatory T cells in the lungs, spleen, and lymph nodes. IL-38 administration suppressed airway hyperreactivity and asthma-related IL-4 and IL-5 expression in humanized mice, together with significantly decreased CCR3+ eosinophil numbers in the BALF and lungs, and a reduced percentage of human CD4+CRTH2+ Th2 cells in the lungs and mediastinal lymph nodes. Together, our results demonstrated the anti-inflammatory mechanisms of IL-38 and provided a basis for the development of a regulatory cytokine-based treatment for allergic asthma.
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Affiliation(s)
- Xiaoyu Sun
- Department of Chemical Pathology, The Chinese University of Hong Kong, Hong Kong, China
| | - Tianheng Hou
- Department of Chemical Pathology, The Chinese University of Hong Kong, Hong Kong, China
| | - Edwin Cheung
- Cancer Centre; Centre of Precision Medicine Research and Training, Faculty of Health Sciences, University of Macau, Macau, China
| | - Tiffany Nga-Teng Iu
- Cancer Centre; Centre of Precision Medicine Research and Training, Faculty of Health Sciences, University of Macau, Macau, China
| | - Victor Wai-Hou Tam
- Cancer Centre; Centre of Precision Medicine Research and Training, Faculty of Health Sciences, University of Macau, Macau, China
| | - Ida Miu-Ting Chu
- Department of Chemical Pathology, The Chinese University of Hong Kong, Hong Kong, China
| | - Miranda Sin-Man Tsang
- Department of Chemical Pathology, The 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
| | - Paul Kay-Sheung Chan
- Department of Microbiology, The Chinese University of Hong Kong, 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, The 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.
- 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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