1
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Li Y, Vyas SP, Mehta I, Asada N, Dey I, Taylor TC, Bechara R, Amatya N, Aggor FEY, Coleman BM, Li DD, Yamamoto K, Ezenwa O, Sun Y, Sterneck E, McManus CJ, Panzer U, Biswas PS, Savan R, Das J, Gaffen SL. The RNA binding protein Arid5a drives IL-17-dependent autoantibody-induced glomerulonephritis. J Exp Med 2024; 221:e20240656. [PMID: 39058386 DOI: 10.1084/jem.20240656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 06/06/2024] [Accepted: 06/17/2024] [Indexed: 07/28/2024] Open
Abstract
Autoantibody-mediated glomerulonephritis (AGN) arises from dysregulated renal inflammation, with urgent need for improved treatments. IL-17 is implicated in AGN and drives pathology in a kidney-intrinsic manner via renal tubular epithelial cells (RTECs). Nonetheless, downstream signaling mechanisms provoking kidney pathology are poorly understood. A noncanonical RNA binding protein (RBP), Arid5a, was upregulated in human and mouse AGN. Arid5a-/- mice were refractory to AGN, with attenuated myeloid infiltration and impaired expression of IL-17-dependent cytokines and transcription factors (C/EBPβ, C/EBPδ). Transcriptome-wide RIP-Seq revealed that Arid5a inducibly interacts with conventional IL-17 target mRNAs, including CEBPB and CEBPD. Unexpectedly, many Arid5a RNA targets corresponded to translational regulation and RNA processing pathways, including rRNAs. Indeed, global protein synthesis was repressed in Arid5a-deficient cells, and C/EBPs were controlled at the level of protein rather than RNA accumulation. IL-17 prompted Arid5a nuclear export and association with 18S rRNA, a 40S ribosome constituent. Accordingly, IL-17-dependent renal autoimmunity is driven by Arid5a at the level of ribosome interactions and translation.
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Affiliation(s)
- Yang Li
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Shachi P Vyas
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Isha Mehta
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Nariaki Asada
- III Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center for Translational Immunology, University Medical Center Hamburg-Eppendorf , Hamburg, Germany
| | - Ipsita Dey
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Tiffany C Taylor
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Rami Bechara
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Nilesh Amatya
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Felix E Y Aggor
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Bianca M Coleman
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - De-Dong Li
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Kenta Yamamoto
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Ogechukwu Ezenwa
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yeque Sun
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Esta Sterneck
- Laboratory of Cell and Developmental Signaling, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA
| | - C Joel McManus
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Ulf Panzer
- III Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Hamburg Center for Translational Immunology, University Medical Center Hamburg-Eppendorf , Hamburg, Germany
| | - Partha S Biswas
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Ram Savan
- Department of Immunology, School of Medicine, University of Washington, Seattle, WA, USA
| | - Jishnu Das
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Sarah L Gaffen
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
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2
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Yasmeen F, Pirzada RH, Ahmad B, Choi B, Choi S. Understanding Autoimmunity: Mechanisms, Predisposing Factors, and Cytokine Therapies. Int J Mol Sci 2024; 25:7666. [PMID: 39062908 PMCID: PMC11277571 DOI: 10.3390/ijms25147666] [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: 06/27/2024] [Revised: 07/05/2024] [Accepted: 07/06/2024] [Indexed: 07/28/2024] Open
Abstract
Autoimmunity refers to an organism's immune response against its own healthy cells, tissues, or components, potentially leading to irreversible damage to vital organs. Central and peripheral tolerance mechanisms play crucial roles in preventing autoimmunity by eliminating self-reactive T and B cells. The disruption of immunological tolerance, characterized by the failure of these mechanisms, results in the aberrant activation of autoreactive lymphocytes that target self-tissues, culminating in the pathogenesis of autoimmune disorders. Genetic predispositions, environmental exposures, and immunoregulatory disturbances synergistically contribute to the susceptibility and initiation of autoimmune pathologies. Within the realm of immune therapies for autoimmune diseases, cytokine therapies have emerged as a specialized strategy, targeting cytokine-mediated regulatory pathways to rectify immunological imbalances. Proinflammatory cytokines are key players in inducing and propagating autoimmune inflammation, highlighting the potential of cytokine therapies in managing autoimmune conditions. This review discusses the etiology of autoimmune diseases, current therapeutic approaches, and prospects for future drug design.
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Affiliation(s)
- Farzana Yasmeen
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea; (F.Y.); (B.C.)
- S&K Therapeutics, Ajou University Campus Plaza 418, Worldcup-ro 199, Yeongtong-gu, Suwon 16502, Republic of Korea
| | - Rameez Hassan Pirzada
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea; (F.Y.); (B.C.)
- S&K Therapeutics, Ajou University Campus Plaza 418, Worldcup-ro 199, Yeongtong-gu, Suwon 16502, Republic of Korea
| | - Bilal Ahmad
- S&K Therapeutics, Ajou University Campus Plaza 418, Worldcup-ro 199, Yeongtong-gu, Suwon 16502, Republic of Korea
| | - Bogeum Choi
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea; (F.Y.); (B.C.)
| | - Sangdun Choi
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea; (F.Y.); (B.C.)
- S&K Therapeutics, Ajou University Campus Plaza 418, Worldcup-ro 199, Yeongtong-gu, Suwon 16502, Republic of Korea
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3
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Hong L, Herjan T, Chen X, Zagore LL, Bulek K, Wang H, Yang CFJ, Licatalosi DD, Li X, Li X. Act1 drives chemoresistance via regulation of antioxidant RNA metabolism and redox homeostasis. J Exp Med 2024; 221:e20231442. [PMID: 38861022 PMCID: PMC11167376 DOI: 10.1084/jem.20231442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 02/20/2024] [Accepted: 05/09/2024] [Indexed: 06/12/2024] Open
Abstract
The IL-17 receptor adaptor molecule Act1, an RNA-binding protein, plays a critical role in IL-17-mediated cancer progression. Here, we report a novel mechanism of how IL-17/Act1 induces chemoresistance by modulating redox homeostasis through epitranscriptomic regulation of antioxidant RNA metabolism. Transcriptome-wide mapping of direct Act1-RNA interactions revealed that Act1 binds to the 5'UTR of antioxidant mRNAs and Wilms' tumor 1-associating protein (WTAP), a key regulator in m6A methyltransferase complex. Strikingly, Act1's binding sites are located in proximity to m6A modification sites, which allows Act1 to promote the recruitment of elF3G for cap-independent translation. Loss of Act1's RNA binding activity or Wtap knockdown abolished IL-17-induced m6A modification and translation of Wtap and antioxidant mRNAs, indicating a feedforward mechanism of the Act1-WTAP loop. We then developed antisense oligonucleotides (Wtap ASO) that specifically disrupt Act1's binding to Wtap mRNA, abolishing IL-17/Act1-WTAP-mediated antioxidant protein production during chemotherapy. Wtap ASO substantially increased the antitumor efficacy of cisplatin, demonstrating a potential therapeutic strategy for chemoresistance.
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Affiliation(s)
- Lingzi Hong
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Tomasz Herjan
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Xing Chen
- Department of Biochemistry, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Center for RNA Science and Therapeutics, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Leah L. Zagore
- Department of Biochemistry, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Department of Population and Quantitative Health Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Center for RNA Science and Therapeutics, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Katarzyna Bulek
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Han Wang
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
- Department of Biochemistry, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Center for RNA Science and Therapeutics, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | | | - Donny D. Licatalosi
- Department of Biochemistry, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Center for RNA Science and Therapeutics, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Takeda Pharmaceutical Company, San Diego, CA, USA
| | - Xiaoxia Li
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Xiao Li
- Department of Biochemistry, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Center for RNA Science and Therapeutics, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Department of Computer and Data Sciences, Case Western Reserve University, Cleveland, OH, USA
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Chen S, Fan H, Ran C, Hong Y, Feng H, Yue Z, Zhang H, Pontarotti P, Xu A, Huang S. The IL-17 pathway intertwines with neurotrophin and TLR/IL-1R pathways since its domain shuffling origin. Proc Natl Acad Sci U S A 2024; 121:e2400903121. [PMID: 38683992 PMCID: PMC11087794 DOI: 10.1073/pnas.2400903121] [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: 02/02/2024] [Accepted: 03/11/2024] [Indexed: 05/02/2024] Open
Abstract
The IL-17 pathway displays remarkably diverse functional modes between different subphyla, classes, and even orders, yet its driving factors remains elusive. Here, we demonstrate that the IL-17 pathway originated through domain shuffling between a Toll-like receptor (TLR)/IL-1R pathway and a neurotrophin-RTK (receptor-tyrosine-kinase) pathway (a Trunk-Torso pathway). Unlike other new pathways that evolve independently, the IL-17 pathway remains intertwined with its donor pathways throughout later evolution. This intertwining not only influenced the gains and losses of domains and components in the pathway but also drove the diversification of the pathway's functional modes among animal lineages. For instance, we reveal that the crustacean female sex hormone, a neurotrophin inducing sex differentiation, could interact with IL-17Rs and thus be classified as true IL-17s. Additionally, the insect prothoracicotropic hormone, a neurotrophin initiating ecdysis in Drosophila by binding to Torso, could bind to IL-17Rs in other insects. Furthermore, IL-17R and TLR/IL-1R pathways maintain crosstalk in amphioxus and zebrafish. Moreover, the loss of the Death domain in the pathway adaptor connection to IκB kinase and stress-activated protein kinase (CIKSs) dramatically reduced their abilities to activate nuclear factor-kappaB (NF-κB) and activator protein 1 (AP-1) in amphioxus and zebrafish. Reinstating this Death domain not only enhanced NF-κB/AP-1 activation but also strengthened anti-bacterial immunity in zebrafish larvae. This could explain why the mammalian IL-17 pathway, whose CIKS also lacks Death, is considered a weak signaling activator, relying on synergies with other pathways. Our findings provide insights into the functional diversity of the IL-17 pathway and unveil evolutionary principles that could govern the pathway and be used to redesign and manipulate it.
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Affiliation(s)
- Shenghui Chen
- State Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou510275, China
- Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao266237, China
| | - Huiping Fan
- State Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou510275, China
| | - Chenrui Ran
- State Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou510275, China
| | - Yun Hong
- State Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou510275, China
| | - Huixiong Feng
- State Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou510275, China
| | - Zirui Yue
- State Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou510275, China
| | - Hao Zhang
- State Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou510275, China
| | - Pierre Pontarotti
- MEPHI (Microbes, Evolution, Phylogénie et Infection), Aix Marseille Université, Marseille, France
| | - Anlong Xu
- State Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou510275, China
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing100029, China
| | - Shengfeng Huang
- State Key Laboratory of Biocontrol, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou510275, China
- Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao266237, China
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5
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Jin B, Moududee SA, Ge D, Zhou P, Wang AR, Liu YZ, You Z. SCF FBXW11 Complex Targets Interleukin-17 Receptor A for Ubiquitin-Proteasome-Mediated Degradation. Biomedicines 2024; 12:755. [PMID: 38672111 PMCID: PMC11047997 DOI: 10.3390/biomedicines12040755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/23/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024] Open
Abstract
Interleukin-17 (IL-17) is a pro-inflammatory cytokine that participates in innate and adaptive immune responses and plays an important role in host defense, autoimmune diseases, tissue regeneration, metabolic regulation, and tumor progression. Post-translational modifications (PTMs) are crucial for protein function, stability, cellular localization, cellular transduction, and cell death. However, PTMs of IL-17 receptor A (IL-17RA) have not been investigated. Here, we show that human IL-17RA was targeted by F-box and WD repeat domain-containing 11 (FBXW11) for ubiquitination, followed by proteasome-mediated degradation. We used bioinformatics tools and biochemical techniques to determine that FBXW11 ubiquitinated IL-17RA through a lysine 27-linked polyubiquitin chain, targeting IL-17RA for proteasomal degradation. Domain 665-804 of IL-17RA was critical for interaction with FBXW11 and subsequent ubiquitination. Our study demonstrates that FBXW11 regulates IL-17 signaling pathways at the IL-17RA level.
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Affiliation(s)
- Ben Jin
- Southeast Louisiana Veterans Health Care System, New Orleans, LA 70112, USA; (B.J.); (S.A.M.)
- Department of Structural & Cellular Biology, Tulane University, New Orleans, LA 70112, USA
| | - Sayed Ala Moududee
- Southeast Louisiana Veterans Health Care System, New Orleans, LA 70112, USA; (B.J.); (S.A.M.)
- Department of Structural & Cellular Biology, Tulane University, New Orleans, LA 70112, USA
| | - Dongxia Ge
- Department of Orthopaedic Surgery, Tulane University, New Orleans, LA 70112, USA;
| | - Pengbo Zhou
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY 10065, USA;
| | - Alun R. Wang
- Department of Pathology and Laboratory Medicine, Tulane University, New Orleans, LA 70112, USA;
| | - Yao-Zhong Liu
- Department of Biostatistics and Data Science, Tulane University, New Orleans, LA 70112, USA;
| | - Zongbing You
- Southeast Louisiana Veterans Health Care System, New Orleans, LA 70112, USA; (B.J.); (S.A.M.)
- Department of Structural & Cellular Biology, Tulane University, New Orleans, LA 70112, USA
- Department of Orthopaedic Surgery, Tulane University, New Orleans, LA 70112, USA;
- Tulane Cancer Center and Louisiana Cancer Research Consortium, Tulane University, New Orleans, LA 70112, USA
- Tulane Center for Stem Cell Research and Regenerative Medicine, Tulane University, New Orleans, LA 70112, USA
- Tulane Center for Aging, Tulane University, New Orleans, LA 70112, USA
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6
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Huangfu L, Li R, Huang Y, Wang S. The IL-17 family in diseases: from bench to bedside. Signal Transduct Target Ther 2023; 8:402. [PMID: 37816755 PMCID: PMC10564932 DOI: 10.1038/s41392-023-01620-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 06/16/2023] [Accepted: 08/22/2023] [Indexed: 10/12/2023] Open
Abstract
The interleukin-17 (IL-17) family comprises six members (IL-17A-17F), and recently, all of its related receptors have been discovered. IL-17 was first discovered approximately 30 years ago. Members of this family have various biological functions, including driving an inflammatory cascade during infections and autoimmune diseases, as well as boosting protective immunity against various pathogens. IL-17 is a highly versatile proinflammatory cytokine necessary for vital processes including host immune defenses, tissue repair, inflammatory disease pathogenesis, and cancer progression. However, how IL-17 performs these functions remains controversial. The multifunctional properties of IL-17 have attracted research interest, and emerging data have gradually improved our understanding of the IL-17 signaling pathway. However, a comprehensive review is required to understand its role in both host defense functions and pathogenesis in the body. This review can aid researchers in better understanding the mechanisms underlying IL-17's roles in vivo and provide a theoretical basis for future studies aiming to regulate IL-17 expression and function. This review discusses recent progress in understanding the IL-17 signaling pathway and its physiological roles. In addition, we present the mechanism underlying IL-17's role in various pathologies, particularly, in IL-17-induced systemic lupus erythematosus and IL-17-related tumor cell transformation and metastasis. In addition, we have briefly discussed promising developments in the diagnosis and treatment of autoimmune diseases and tumors.
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Affiliation(s)
- Longjie Huangfu
- School of Stomatology, Harbin Medical University, Harbin, 150001, P. R. China
| | - Ruiying Li
- Department of Oral Pathology, School of Stomatology, Hainan Medical University, Haikou, 571199, P. R. China
| | - Yamei Huang
- Department of Oral Pathology, School of Stomatology, Hainan Medical University, Haikou, 571199, P. R. China
| | - Shan Wang
- Department of Oral Pathology, School of Stomatology, Hainan Medical University, Haikou, 571199, P. R. China.
- Department of Stomatology, The Second Affiliated Hospital of Hainan Medical University, Haikou, 570216, P. R. China.
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Ponde NO, Shoger KE, Khatun S, Sarkar MK, Dey I, Taylor TC, Cisney RN, Arunkumar SP, Gudjonsson JE, Kolls JK, Gottschalk RA, Gaffen SL. SARS-CoV-2 ORF8 Mediates Signals in Macrophages and Monocytes through MyD88 Independently of the IL-17 Receptor. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 211:252-260. [PMID: 37265402 PMCID: PMC10330444 DOI: 10.4049/jimmunol.2300110] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 05/11/2023] [Indexed: 06/03/2023]
Abstract
SARS-CoV-2 has caused an estimated 7 million deaths worldwide to date. A secreted SARS-CoV-2 accessory protein, known as open reading frame 8 (ORF8), elicits inflammatory pulmonary cytokine responses and is associated with disease severity in COVID-19 patients. Recent reports proposed that ORF8 mediates downstream signals in macrophages and monocytes through the IL-17 receptor complex (IL-17RA, IL-17RC). However, generally IL-17 signals are found to be restricted to the nonhematopoietic compartment, thought to be due to rate-limiting expression of IL-17RC. Accordingly, we revisited the capacity of IL-17 and ORF8 to induce cytokine gene expression in mouse and human macrophages and monocytes. In SARS-CoV-2-infected human and mouse lungs, IL17RC mRNA was undetectable in monocyte/macrophage populations. In cultured mouse and human monocytes and macrophages, ORF8 but not IL-17 led to elevated expression of target cytokines. ORF8-induced signaling was fully preserved in the presence of anti-IL-17RA/RC neutralizing Abs and in Il17ra-/- cells. ORF8 signaling was also operative in Il1r1-/- bone marrow-derived macrophages. However, the TLR/IL-1R family adaptor MyD88, which is dispensable for IL-17R signaling, was required for ORF8 activity yet MyD88 is not required for IL-17 signaling. Thus, we conclude that ORF8 transduces inflammatory signaling in monocytes and macrophages via MyD88 independently of the IL-17R.
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Affiliation(s)
- Nicole O. Ponde
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, PA
| | | | | | | | - Ipsita Dey
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, PA
| | - Tiffany C. Taylor
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, PA
| | - Rylee N. Cisney
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, PA
| | - Samyuktha P. Arunkumar
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, PA
| | | | | | | | - Sarah L. Gaffen
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Pittsburgh, PA
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8
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Zhang C, Liu X, Xiao J, Jiang F, Fa L, Jiang H, Zhou L, Su W, Xu Z. γδ T cells in autoimmune uveitis pathogenesis: A promising therapeutic target. Biochem Pharmacol 2023; 213:115629. [PMID: 37257721 DOI: 10.1016/j.bcp.2023.115629] [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: 03/16/2023] [Revised: 05/24/2023] [Accepted: 05/24/2023] [Indexed: 06/02/2023]
Abstract
Autoimmune uveitis is a non-infectious, inflammatory intraocular disease that affects the uveal and adjacent tissues. It frequently causes varying degrees of visual loss. Evidence for the strong association between activated γδ T cells and the development of autoimmune uveitis is growing. The innate and adaptive immune response are connected in the early phases by the γδ T cells that contain the γ and δ chains. γδ T cells can identify antigens in a manner that is not constrained by the MHC. When activated by various pathways, γδ T cells can not only secrete pro-inflammatory factors early on (such as IL-17), but they can also promote Th17 cells responses, which ultimately exacerbates autoimmune uveitis. Therefore, we review the mechanisms by which γδ T cells affect autoimmune uveitis in different activation and disease states. Moreover, we also prospect for immunotherapies targeting different γδ T cell-related action pathways, providing a reference for exploring new drug for the treatment of autoimmune uveitis.
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Affiliation(s)
- Chun Zhang
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, 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 510060, China
| | - Jing Xiao
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Fanwen Jiang
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Luzhong Fa
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Hui Jiang
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Lin Zhou
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, 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 510060, China.
| | - Zhuping Xu
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China.
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9
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Douglas A, Stevens B, Lynch L. Interleukin-17 as a key player in neuroimmunometabolism. Nat Metab 2023; 5:1088-1100. [PMID: 37488456 PMCID: PMC10440016 DOI: 10.1038/s42255-023-00846-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/14/2023] [Indexed: 07/26/2023]
Abstract
In mammals, interleukin (IL)-17 cytokines are produced by innate and adaptive lymphocytes. However, the IL-17 family has widespread expression throughout evolution, dating as far back as cnidaria, molluscs and worms, which predate lymphocytes. The evolutionary conservation of IL-17 suggests that it is involved in innate defence strategies, but also that this cytokine family has a fundamental role beyond typical host defence. Throughout evolution, IL-17 seems to have a major function in homeostatic maintenance at barrier sites. Most recently, a pivotal role has been identified for IL-17 in regulating cellular metabolism, neuroimmunology and tissue physiology, particularly in adipose tissue. Here we review the emerging role of IL-17 signalling in regulating metabolic processes, which may shine a light on the evolutionary role of IL-17 beyond typical immune responses. We propose that IL-17 helps to coordinate the cross-talk among the nervous, endocrine and immune systems for whole-body energy homeostasis as a key player in neuroimmunometabolism.
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Affiliation(s)
- Aaron Douglas
- School of Biochemistry and Immunology, TBSI, Trinity College Dublin, Dublin, Ireland
| | - Brenneth Stevens
- School of Biochemistry and Immunology, TBSI, Trinity College Dublin, Dublin, Ireland
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Lydia Lynch
- School of Biochemistry and Immunology, TBSI, Trinity College Dublin, Dublin, Ireland.
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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10
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Ladjevac N, Milovanovic M, Jevtovic A, Arsenijevic D, Stojanovic B, Dimitrijevic Stojanovic M, Stojanovic B, Arsenijevic N, Arsenijevic A, Milovanovic J. The Role of IL-17 in the Pathogenesis of Oral Squamous Cell Carcinoma. Int J Mol Sci 2023; 24:9874. [PMID: 37373022 DOI: 10.3390/ijms24129874] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/01/2023] [Accepted: 06/03/2023] [Indexed: 06/29/2023] Open
Abstract
Elucidating the inflammatory mechanisms underlying formation and progression of oral squamous cell carcinoma (OSCC) is crucial for discovering new targeted therapeutics. The proinflammatory cytokine IL-17 has proven roles in tumor formation, growth, and metastasis. The presence of IL-17 is demonstrated in both in vitro and in vivo models, and in OSCC patients, is mostly accompanied by enhanced proliferation and invasiveness of cancer cells. Here we review the known facts regarding the role of IL-17 in OSCC pathogenesis, namely the IL-17 mediated production of proinflammatory mediators that mobilize and activate myeloid cells with suppressive and proangiogenic activities and proliferative signals that directly induce proliferation of cancer cells and stem cells. The possibility of a potential IL-17 blockade in OSCC therapy is also discussed.
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Affiliation(s)
- Nevena Ladjevac
- Department of Otorhinolaryngology, General Hospital Uzice, 31000 Uzice, Serbia
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Marija Milovanovic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Department of Microbiology and Immunology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Andra Jevtovic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Department of Otorhinolaryngology and Maxillofacial Surgery, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Dragana Arsenijevic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Department of Pharmacy, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Bojana Stojanovic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Department of Pathophysiology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Milica Dimitrijevic Stojanovic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Department of Pathology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Bojan Stojanovic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Department of Surgery, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Nebojsa Arsenijevic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Department of Microbiology and Immunology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Aleksandar Arsenijevic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Department of Microbiology and Immunology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Jelena Milovanovic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Department of Histology end Embryology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
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11
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Yang Y, Yan C, Yu L, Zhang X, Shang J, Fan J, Zhang R, Ren J, Duan X. The star target in SLE: IL-17. Inflamm Res 2023; 72:313-328. [PMID: 36538077 DOI: 10.1007/s00011-022-01674-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 10/30/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022] Open
Abstract
PURPOSE The purpose of this review is to discuss the significance of IL-17 in SLE and the potential of IL-17-targeted therapy. BACKGROUND Systemic lupus erythematosus (SLE) is an autoimmune disease that can affect many organs and tissues throughout the body. It is characterized by overactive B and T cells and loss of immune tolerance to autoantigens. Interleukin-17 (IL-17) is a cytokine that promotes inflammation and has been implicated in the pathogenesis of several autoimmune diseases as well as inflammatory diseases. In in vitro cellular experiments in lupus susceptible mice or SLE patients, there is substantial evidence that IL-17 is a highly promising therapeutic target. METHODS We searched papers from PubMed database using the search terms, such as interleukin-17, systemic lupus erythematosus, treatment targets, T cells, lupus nephritis, and other relevant terms. RESULTS We discuss in this paper the molecular mechanisms of IL-17 expression, Th17 cell proliferation, and the relationship between IL-17 and Th17. The significance of IL-17 in SLE and the potential of IL-17-targeted therapy are further discussed in detail. CONCLUSION IL-17 has a very high potential for the development as a star target in SLE.
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Affiliation(s)
- Yi Yang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Chen Yan
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Le Yu
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xiuling Zhang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jingjing Shang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jie Fan
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Rongwei Zhang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jie Ren
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xinwang Duan
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Nanchang University, Nanchang, China.
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12
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lncRNA IL-17RA-1 Attenuates LPS-Induced Sepsis via miR-7847-3p/PRKCG-Mediated MAPK Signaling Pathway. Mediators Inflamm 2022; 2022:9923204. [PMID: 36274974 PMCID: PMC9584741 DOI: 10.1155/2022/9923204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/23/2022] [Accepted: 09/27/2022] [Indexed: 12/02/2022] Open
Abstract
Sepsis represents a syndrome of systemic inflammatory response, which is mostly a result of infection with various pathogenic microorganisms, characterized by an uncontrolled infection response of the organism leading to life-threatening organ dysfunction. Long noncoding RNA (lncRNA), as competing endogenous RNA, can affect the binding of microRNA (miRNA) to mRNA, thus influencing the development of sepsis. In this study, based on transcriptome data from GEO database, we screened differentially expressed lncRNAs and constructed lncRNA-miRNA-mRNA network. And pathway IL-17RA-1/miR-7847-3p/protein kinase C gamma (PRKCG) coexpression network was successfully sorted out. The effect of this network on LPS-induced sepsis model in THP-1 cells was also verified by CCK-8, scratch, ELISA, Western blot, and qRT-PCR assays. Corresponding binding sites of miR-7847-3p to IL-17RA-1 and miR-7847-3p to PRKCG were verified using dual luciferase gene reporter assays, respectively. Compared with control, si-IL-17RA-1 significantly inhibited the cell viability and migration ability of THP-1, and levels of proinflammatory factors IL-6, IL-1β, and TNF-α secreted were markedly decreased, and the expression of IL-17RA-1, PRKCG, p-MEKK1, and p-JNK were markedly reduced. In addition, IL-17RA-1 could target binding to miR-7847-3p and inhibit its expression, and miR-7847-3p could also bind to PRKCG. Our experiments demonstrate that IL17-RA-1 attenuates the sepsis response through the miR-7847-3p/MAPK pathway, and this competing endogenous RNA (ceRNA) network may be a potential approach to predict and combat sepsis.
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13
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Structural basis of interleukin-17B receptor in complex with a neutralizing antibody for guiding humanization and affinity maturation. Cell Rep 2022; 41:111555. [DOI: 10.1016/j.celrep.2022.111555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 08/22/2022] [Accepted: 10/02/2022] [Indexed: 11/20/2022] Open
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14
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Interleukin-17 Family Cytokines in Metabolic Disorders and Cancer. Genes (Basel) 2022; 13:genes13091643. [PMID: 36140808 PMCID: PMC9498678 DOI: 10.3390/genes13091643] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/04/2022] [Accepted: 09/07/2022] [Indexed: 02/07/2023] Open
Abstract
Interleukin-17 (IL-17) family cytokines are potent drivers of inflammatory responses. Although IL-17 was originally identified as a cytokine that induces protective effects against bacterial and fungal infections, IL-17 can also promote chronic inflammation in a number of autoimmune diseases. Research in the last decade has also elucidated critical roles of IL-17 during cancer development and treatment. Intriguingly, IL-17 seems to play a role in the risk of cancers that are associated with metabolic disorders. In this review, we summarize our current knowledge on the biochemical basis of IL-17 signaling, IL-17′s involvement in cancers and metabolic disorders, and postulate how IL-17 family cytokines may serve as a bridge between these two types of diseases.
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15
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Wu X, Xia T, Shin WJ, Yu KM, Jung W, Herrmann A, Foo SS, Chen W, Zhang P, Lee JS, Poo H, Comhair SAA, Jehi L, Choi YK, Ensser A, Jung JU. Viral Mimicry of Interleukin-17A by SARS-CoV-2 ORF8. mBio 2022; 13:e0040222. [PMID: 35343786 PMCID: PMC9040823 DOI: 10.1128/mbio.00402-22] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 02/25/2022] [Indexed: 01/04/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection triggers cytokine-mediated inflammation, leading to a myriad of clinical presentations in COVID-19. The SARS-CoV-2 open reading frame 8 (ORF8) is a secreted and rapidly evolving glycoprotein. Patients infected with SARS-CoV-2 variants with ORF8 deleted are associated with mild disease outcomes, but the molecular mechanism behind this is unknown. Here, we report that SARS-CoV-2 ORF8 is a viral cytokine that is similar to but distinct from interleukin 17A (IL-17A) as it induces stronger and broader human IL-17 receptor (hIL-17R) signaling than IL-17A. ORF8 primarily targeted blood monocytes and induced the heterodimerization of hIL-17RA and hIL-17RC, triggering a robust inflammatory response. Transcriptome analysis revealed that besides its activation of the hIL-17R pathway, ORF8 upregulated gene expression for fibrosis signaling and coagulation dysregulation. A naturally occurring ORF8 L84S variant that was highly associated with mild COVID-19 showed reduced hIL-17RA binding and attenuated inflammatory responses. This study reveals how SARS-CoV-2 ORF8 by a viral mimicry of the IL-17 cytokine contributes to COVID-19 severe inflammation. IMPORTANCE Patients infected with SARS-CoV-2 variants lacking open reading frame 8 (ORF8) have been associated with milder infection and disease outcome, but the molecular mechanism behind how this viral accessory protein mediates disease pathogenesis is not yet known. In our study, we revealed that secreted ORF8 protein mimics host IL-17 to activate IL-17 receptors A and C (IL-17RA/C) and induces a significantly stronger inflammatory response than host IL-17A, providing molecular insights into the role of ORF8 in COVID-19 pathogenesis and serving as a potential therapeutic target.
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Affiliation(s)
- Xin Wu
- Cancer Biology Department, Infection Biology Program, and Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Tian Xia
- Cancer Biology Department, Infection Biology Program, and Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Woo-Jin Shin
- Cancer Biology Department, Infection Biology Program, and Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
- Cleveland Clinic Florida Research & Innovation Center, Port St. Lucie, Florida, USA
| | - Kwang-Min Yu
- Center for Study of Emerging and Re-emerging Viruses, Korea Virus Research Institute, Institute for Basic Science (IBS), Daejeon, Republic of Korea
| | - Wooram Jung
- Cancer Biology Department, Infection Biology Program, and Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Alexandra Herrmann
- Institute for Clinical and Molecular Virology, University Hospital Erlangen, Friedrich Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Suan-Sin Foo
- Cancer Biology Department, Infection Biology Program, and Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Weiqiang Chen
- Cancer Biology Department, Infection Biology Program, and Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Pengfei Zhang
- Cancer Biology Department, Infection Biology Program, and Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Jong-Soo Lee
- College of Veterinary Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Haryoung Poo
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Suzy A. A. Comhair
- Respiratory Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Lara Jehi
- Department of Neurology, Epilepsy Center, Cleveland Clinic, Cleveland, Ohio, USA
| | - Young Ki Choi
- Center for Study of Emerging and Re-emerging Viruses, Korea Virus Research Institute, Institute for Basic Science (IBS), Daejeon, Republic of Korea
| | - Armin Ensser
- Institute for Clinical and Molecular Virology, University Hospital Erlangen, Friedrich Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Jae U. Jung
- Cancer Biology Department, Infection Biology Program, and Global Center for Pathogen and Human Health Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
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16
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Zhong H, Sun X. Contribution of Interleukin-17A to Retinal Degenerative Diseases. Front Immunol 2022; 13:847937. [PMID: 35392087 PMCID: PMC8980477 DOI: 10.3389/fimmu.2022.847937] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 02/25/2022] [Indexed: 12/26/2022] Open
Abstract
Retinal degenerative diseases are a leading cause of vision loss and blindness throughout the world, characterized by chronic and progressive loss of neurons and/or myelin. One of the common features of retinal degenerative diseases and central neurodegenerative diseases is chronic neuroinflammation. Interleukin-17A (IL-17A) is the cytokine most closely related to disease in its family. Accumulating evidence suggests that IL-17A plays a key role in human retinal degenerative diseases, including age-related macular degeneration, diabetic retinopathy and glaucoma. This review aims to provide an overview of the role of IL-17A participating in the pathogenesis of retinal degenerative diseases, which may open new avenues for potential therapeutic interventions.
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Affiliation(s)
- Huimin Zhong
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,National Clinical Research Center for Eye Diseases, Shanghai, China.,Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai, China.,Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai, China.,Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, China
| | - Xiaodong Sun
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,National Clinical Research Center for Eye Diseases, Shanghai, China.,Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai, China.,Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai, China.,Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, China
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17
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Jung SM, Kim WU. Targeted Immunotherapy for Autoimmune Disease. Immune Netw 2022; 22:e9. [PMID: 35291650 PMCID: PMC8901705 DOI: 10.4110/in.2022.22.e9] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 12/04/2022] Open
Abstract
In the past few decades, biological drugs and small molecule inhibitors targeting inflammatory cytokines, immune cells, and intracellular kinases have become the standard-of-care to treat autoimmune diseases. Inhibition of TNF, IL-6, IL-17, and IL-23 has revolutionized the treatment of autoimmune diseases, such as rheumatoid arthritis, ankylosing spondylitis, and psoriasis. B cell depletion therapy using anti-CD20 mAbs has shown promising results in patients with neuroinflammatory diseases, and inhibition of B cell survival factors is approved for treatment of systemic lupus erythematosus. Targeting co-stimulatory molecules expressed on Ag-presenting cells and T cells is also expected to have therapeutic potential in autoimmune diseases by modulating T cell function. Recently, small molecule kinase inhibitors targeting the JAK family, which is responsible for signal transduction from multiple receptors, have garnered great interest in the field of autoimmune and hematologic diseases. However, there are still unmet medical needs in terms of therapeutic efficacy and safety profiles. Emerging therapies aim to induce immune tolerance without compromising immune function, using advanced molecular engineering techniques.
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Affiliation(s)
- Seung Min Jung
- Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Wan-Uk Kim
- Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
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18
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Martinez CA, Marteinsdottir I, Josefsson A, Sydsjö G, Theodorsson E, Rodriguez-Martinez H. Prenatal stress, anxiety and depression alter transcripts, proteins and pathways associated with immune responses at the maternal-fetal interface†. Biol Reprod 2021; 106:449-462. [PMID: 34935902 PMCID: PMC8934694 DOI: 10.1093/biolre/ioab232] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 11/15/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
During pregnancy, the immune system is modified to allow developmental developmental tolerance of the semi-allogeneic fetus and placenta to term. Pregnant women suffering from stress, anxiety and depression show dysfunctions of their immune system that may be responsible for fetal and/or newborn disorders, provided that provided that placental gene regulation is compromised. The present study explored the effects of maternal chronic self-perceived stress, anxiety and depression during pregnancy on the expression of immune related-genes and pathways in term placenta. Pregnancies were clinically monitored with the Beck's Anxiety Inventory (BAI) and Edinburgh Postnatal Depression Scale (EPDS). A cutoff threshold for BAI/EPDS of 10 divided patients into two groups: Index group (≥10, n = 11) and a Control group (<10, n = 11), whose placentae were sampled at delivery. The placental samples were subjected to RNA-Sequencing, demonstrating that stress, anxiety and depression during pregnancy induced a major downregulation of placental transcripts related to immune processes such as T-cell regulation, interleukin and cytokine signaling or innate immune responses. Expression differences of main immune related genes such as CD46, CD15, CD8α & β ILR7α and CCR4 among others, were found in the index group (P < 0.05). Moreover, the key immune-like pathway involved in humoral and cellular immunity named "Primary immunodeficiency" was significantly downregulated in the index group compared to controls. Our results show that mechanisms ruling immune system functions are compromised at the maternal-fetal interface following self-perceived depressive symptoms and anxiety during pregnancy. These findings may help unveil mechanisms ruling the impact of maternal psychiatric symptoms and lead to new prevention/intervention strategies in complicated pregnancies.
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Affiliation(s)
- Cristina A Martinez
- Department of Biomedical & Clinical Sciences, Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden
| | - Ina Marteinsdottir
- Department of Medicine and Optometry, Faculty of Health and Life Sciences, Linnaeus University, Hus Vita, Kalmar, Sweden
| | - Ann Josefsson
- Department of Biomedical & Clinical Sciences, Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden
| | - Gunilla Sydsjö
- Department of Biomedical & Clinical Sciences, Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden
| | - Elvar Theodorsson
- Division of Clinical Chemistry, Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden
| | - Heriberto Rodriguez-Martinez
- Department of Biomedical & Clinical Sciences, Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden
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19
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Miyashita Y, Kouwaki T, Tsukamoto H, Okamoto M, Nakamura K, Oshiumi H. TICAM-1/TRIF associates with Act1 and suppresses IL-17 receptor-mediated inflammatory responses. Life Sci Alliance 2021; 5:5/2/e202101181. [PMID: 34819358 PMCID: PMC8616538 DOI: 10.26508/lsa.202101181] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 11/12/2021] [Accepted: 11/12/2021] [Indexed: 01/23/2023] Open
Abstract
TICAM-1 (also called TRIF) is the sole adaptor of TLR3 that recognizes double-stranded RNA. Here, we report that TICAM-1 is involved not only in TLR3 signaling but also in the cytokine receptor IL-17RA signaling. We found that TICAM-1 bound to IL-17R adaptor Act1 to inhibit the interaction between IL-17RA and Act1. Interestingly, TICAM-1 knockout promoted IL-17RA/Act1 interaction and increased IL-17A-mediated activation of NF-κB and MAP kinases, leading to enhanced expression of inflammatory cytokines and chemokines upon IL-17A stimulation. Moreover, Ticam-1 knockout augmented IL-17A-mediated CXCL1 and CXCL2 expression in vivo, resulting in accumulation of myeloid cells. Furthermore, Ticam-1 knockout enhanced delayed type hypersensitivity and exacerbated experimental autoimmune encephalomyelitis. Ticam-1 knockout promoted accumulation of myeloid and lymphoid cells in the spinal cord of EAE-induced mice. Collectively, these data indicate that TICAM-1 inhibits the interaction between IL-17RA and Act1 and functions as a negative regulator in IL-17A-mediated inflammatory responses.
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Affiliation(s)
- Yusuke Miyashita
- Department of Immunology, Graduate School of Medical Sciences, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, Japan.,Department of Pediatrics, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, Japan
| | - Takahisa Kouwaki
- Department of Immunology, Graduate School of Medical Sciences, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, Japan
| | - Hirotake Tsukamoto
- Department of Immunology, Graduate School of Medical Sciences, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, Japan .,Division of Clinical Immunology and Cancer Immunotherapy, Center for Cancer Immunotherapy and Immunobiology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masaaki Okamoto
- Department of Immunology, Graduate School of Medical Sciences, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, Japan
| | - Kimitoshi Nakamura
- Department of Pediatrics, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, Japan
| | - Hiroyuki Oshiumi
- Department of Immunology, Graduate School of Medical Sciences, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, Japan
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20
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Wu HH, Tsai LH, Huang CK, Hsu PH, Chen MY, Chen YI, Hu CM, Shen CN, Lee CC, Chang MC, Chang YT, Tien YW, Jeng YM, Lee EYHP, Lee WH. Characterization of initial key steps of IL-17 receptor B oncogenic signaling for targeted therapy of pancreatic cancer. Sci Transl Med 2021; 13:13/583/eabc2823. [PMID: 33658352 DOI: 10.1126/scitranslmed.abc2823] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 09/07/2020] [Accepted: 01/21/2021] [Indexed: 12/13/2022]
Abstract
The members of the interleukin-17 (IL-17) cytokine family and their receptors were identified decades ago. Unlike IL-17 receptor A (IL-17RA), which heterodimerizes with IL-17RB, IL-17RC, and IL-17RD and mediates proinflammatory gene expression, IL-17RB plays a distinct role in promoting tumor growth and metastasis upon stimulation with IL-17B. However, the molecular basis by which IL-17RB promotes oncogenesis is unknown. Here, we report that IL-17RB forms a homodimer and recruits mixed-lineage kinase 4 (MLK4), a dual kinase, to phosphorylate it at tyrosine-447 upon treatment with IL-17B in vitro. Higher amounts of phosphorylated IL-17RB in tumor specimens obtained from patients with pancreatic cancer correlated with worse prognosis. Phosphorylated IL-17RB recruits the ubiquitin ligase tripartite motif containing 56 to add lysine-63-linked ubiquitin chains to lysine-470 of IL-17RB, which further assembles NF-κB activator 1 (ACT1) and other factors to propagate downstream oncogenic signaling. Consequentially, IL-17RB mutants with substitution at either tyrosine-447 or lysine-470 lose their oncogenic activity. Treatment with a peptide consisting of amino acids 403 to 416 of IL-17RB blocks MLK4 binding, tyrosine-477 phosphorylation, and lysine-470 ubiquitination in vivo, thereby inhibiting tumorigenesis and metastasis and prolonging the life span of mice bearing pancreatic tumors. These results establish a clear pathway of how proximal signaling of IL-17RB occurs and provides insight into how this pathway provides a therapeutic target for pancreatic cancer.
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Affiliation(s)
- Heng-Hsiung Wu
- Drug Development Center, China Medical University, Taichung 40402, Taiwan.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan
| | - Lung-Hung Tsai
- Drug Development Center, China Medical University, Taichung 40402, Taiwan
| | - Chun-Kai Huang
- Genomics Research Center, Academia Sinica, Taipei 11529, Taiwan
| | - Pang-Hung Hsu
- Institute of Biochemistry and Molecular Biology, National Yang Ming University, Taipei 11221, Taiwan.,Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 20224, Taiwan
| | - Mei-Yu Chen
- Drug Development Center, China Medical University, Taichung 40402, Taiwan
| | - Yi-Ing Chen
- Genomics Research Center, Academia Sinica, Taipei 11529, Taiwan
| | - Chun-Mei Hu
- Genomics Research Center, Academia Sinica, Taipei 11529, Taiwan
| | - Chia-Ning Shen
- Genomics Research Center, Academia Sinica, Taipei 11529, Taiwan
| | - Chen-Chen Lee
- Drug Development Center, China Medical University, Taichung 40402, Taiwan.,Department of Microbiology and Immunology, China Medical University, Taichung 40402, Taiwan
| | - Ming-Chu Chang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei 10041, Taiwan
| | - Yu-Ting Chang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei 10041, Taiwan
| | - Yu-Wen Tien
- Department of Surgery, National Taiwan University Hospital, Taipei 10041, Taiwan
| | - Yung-Ming Jeng
- Department of Pathology, National Taiwan University Hospital, Taipei 10041, Taiwan
| | - Eva Y-H P Lee
- Genomics Research Center, Academia Sinica, Taipei 11529, Taiwan.,Department of Biological Chemistry, University of California, Irvine, CA 92697, USA
| | - Wen-Hwa Lee
- Drug Development Center, China Medical University, Taichung 40402, Taiwan. .,Genomics Research Center, Academia Sinica, Taipei 11529, Taiwan.,Department of Biological Chemistry, University of California, Irvine, CA 92697, USA
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21
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Kartasheva-Ebertz DM, Pol S, Lagaye S. Retinoic Acid: A New Old Friend of IL-17A in the Immune Pathogeny of Liver Fibrosis. Front Immunol 2021; 12:691073. [PMID: 34211477 PMCID: PMC8239722 DOI: 10.3389/fimmu.2021.691073] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/28/2021] [Indexed: 12/12/2022] Open
Abstract
Despite all the medical advances mortality due to cirrhosis and hepatocellular carcinoma, the end stages of fibrosis, continuously increases. Recent data suggest that liver fibrosis is guided by type 3 inflammation with IL-17A at the top of the line. The storage of vitamin A and its active metabolites, as well as genetics, can influence the development and progression of liver fibrosis and inflammation. Retinoic acid (active metabolite of vitamin A) is able to regulate the differentiation of IL-17A+/IL-22–producing cells as well as the expression of profibrotic markers. IL-17A and its pro-fibrotic role in the liver is the most studied, while the interaction and communication between IL-17A, IL-22, and vitamin A–active metabolites has not been investigated. We aim to update what is known about IL-17A, IL-22, and retinoic acid in the pathobiology of liver diseases.
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Affiliation(s)
| | - Stanislas Pol
- Institut Pasteur, INSERM U1223, Paris, France.,Université de Paris, Paris, France.,APHP, Groupe Hospitalier Cochin, Département d'Hépatologie, Paris, France
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22
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Deng C, Peng N, Tang Y, Yu N, Wang C, Cai X, Zhang L, Hu D, Ciccia F, Lu L. Roles of IL-25 in Type 2 Inflammation and Autoimmune Pathogenesis. Front Immunol 2021; 12:691559. [PMID: 34122457 PMCID: PMC8194343 DOI: 10.3389/fimmu.2021.691559] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 05/13/2021] [Indexed: 12/19/2022] Open
Abstract
Interleukin-17E (IL-25) is a member of the IL-17 cytokine family that includes IL-17A to IL-17F. IL-17 family cytokines play a key role in host defense responses and inflammatory diseases. Compared with other IL-17 cytokine family members, IL-25 has relatively low sequence similarity to IL-17A and exhibits a distinct function from other IL-17 cytokines. IL-25 binds to its receptor composed of IL-17 receptor A (IL-17RA) and IL-17 receptor B (IL-17RB) for signal transduction. IL-25 has been implicated as a type 2 cytokine and can induce the production of IL-4, IL-5 and IL-13, which in turn inhibits the differentiation of T helper (Th) 17. In addition to its anti-inflammatory properties, IL-25 also exhibits a pro-inflammatory effect in the pathogenesis of Th17-dominated diseases. Here, we review recent advances in the roles of IL-25 in the pathogenesis of inflammation and autoimmune diseases.
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Affiliation(s)
- Chong Deng
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China
| | - Na Peng
- Department of Rheumatology and Nephrology, The Second People's Hospital, China Three Gorges University, Yichang, China
| | - Yuan Tang
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China
| | - Na Yu
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Cuicui Wang
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Xiaoyan Cai
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Lijun Zhang
- Department of Rheumatology, Shenzhen Hospital, The University of Hong Kong, Shenzhen, China
| | - Dajun Hu
- Department of Rheumatology and Nephrology, The Second People's Hospital, China Three Gorges University, Yichang, China
| | - Francesco Ciccia
- Dipartimento di Medicina di Precisione, Section of Rheumatology, Università degli Studi della Campania L. Vanvitelli, Naples, Italy
| | - Liwei Lu
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China
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23
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Zhong Z, Su G, Kijlstra A, Yang P. Activation of the interleukin-23/interleukin-17 signalling pathway in autoinflammatory and autoimmune uveitis. Prog Retin Eye Res 2020; 80:100866. [PMID: 32422390 DOI: 10.1016/j.preteyeres.2020.100866] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/30/2020] [Accepted: 05/04/2020] [Indexed: 02/07/2023]
Abstract
Uveitis is a group of diseases characterized by intraocular inflammation, of which some are driven by autoinflammatory or autoimmune responses, such as Vogt-Koyanagi-Harada disease, Behçet's disease, uveitis associated with spondyloarthritis, ocular sarcoidosis, sympathetic ophthalmia and birdshot chorioretinopathy. These entities have various clinical forms, but genetic and biomarker data suggest that they share a common molecular basis, activation of the Interleukin (IL)-23/IL-17 pathway. Multiple factors including genetic predisposition, various cytokine imbalances, infectious agents and gut alterations are found to trigger an aberrant response of this pathway. The enhanced activity of the IL-23/IL-17 pathway is committed to the expansion and pathogenicity of Th17 cells. Evidence from animal models demonstrates that the development of pathogenic Th17 cells is responsible for the induction of experimental autoimmune uveitis. Further findings indicate that retinal pigment epithelium (RPE) cells may be a target of IL-17. IL-17 triggers downstream inflammatory cascades and causes dysfunction of RPE cells, which may affect retinal barrier function and thereby promote intraocular inflammation. Currently, several emerging drugs blocking the IL-23/IL-17 pathway have been assessed for the treatment of uveitis in pilot studies. The purpose of this is to summarize updated biological knowledge and preliminary clinical data, providing the rationale for further development and evaluation of novel drugs targeting the IL-23/IL-17 pathway in autoinflammatory and autoimmune uveitis. Future studies may focus on translational medicine targeting the IL-23/IL-17 pathway for the improvement of diagnosis and treatment of uveitis. In conclusion, activation of the IL-23/IL-17 pathway is a critical biological event and can be an important target for the treatment of autoinflammatory and autoimmune uveitis.
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Affiliation(s)
- Zhenyu Zhong
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology and Chongqing Eye Institute, Chongqing, China
| | - Guannan Su
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology and Chongqing Eye Institute, Chongqing, China
| | - Aize Kijlstra
- University Eye Clinic Maastricht, Maastricht, the Netherlands
| | - Peizeng Yang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology and Chongqing Eye Institute, Chongqing, China.
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24
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Nies JF, Panzer U. IL-17C/IL-17RE: Emergence of a Unique Axis in T H17 Biology. Front Immunol 2020; 11:341. [PMID: 32174926 PMCID: PMC7054382 DOI: 10.3389/fimmu.2020.00341] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 02/12/2020] [Indexed: 12/11/2022] Open
Abstract
Therapeutic targeting of IL-17A and its receptor IL-17RA with antibodies has turned out to be a tremendous success in the treatment of several autoimmune conditions. As the IL-17 cytokine family consists of six members (IL-17A to F), it is intriguing to elucidate the biological function of these five other molecules to identify more potential targets. In the past decade, IL-17C has emerged as quite a unique member of this pro-inflammatory cytokine group. In contrast to the well-described IL-17A and IL-17F, IL-17C is upregulated at very early timepoints of several disease settings. Also, the cellular source of the homodimeric cytokine differs from the other members of the family: Epithelial rather than hematopoietic cells were identified as the producers of IL-17C, while its receptor IL-17RE is expressed on TH17 cells as well as the epithelial cells themselves. Numerous investigations led to the current understanding that IL-17C (a) maintains an autocrine loop in the epithelium reinforcing innate immune barriers and (b) stimulates highly inflammatory TH17 cells. Functionally, the IL-17C/RE axis has been described to be involved in the pathogenesis of several diseases ranging from infectious and autoimmune conditions to cancer development and progression. This body of evidence has paved the way for the first clinical trials attempting to neutralize IL-17C in patients. Here, we review the latest knowledge about identification, regulation, and function of the IL-17C/IL-17receptor E pathway in inflammation and immunity, with a focus on the mechanisms underlying tissue injury. We also discuss the rationale for the translation of these findings into new therapeutic approaches in patients with immune-mediated disease.
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Affiliation(s)
- Jasper F Nies
- Translational Immunology, III. Department of Medicine, University Medical Center Hamburg-Eppendorf Hamburg, Hamburg, Germany
| | - Ulf Panzer
- Translational Immunology, III. Department of Medicine, University Medical Center Hamburg-Eppendorf Hamburg, Hamburg, Germany.,Hamburg Center of Translational Immunology (HCTI), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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25
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Kaiko GE, Chen F, Lai CW, Chiang IL, Perrigoue J, Stojmirović A, Li K, Muegge BD, Jain U, VanDussen KL, Goggins BJ, Keely S, Weaver J, Foster PS, Lawrence DA, Liu TC, Stappenbeck TS. PAI-1 augments mucosal damage in colitis. Sci Transl Med 2020; 11:11/482/eaat0852. [PMID: 30842312 DOI: 10.1126/scitranslmed.aat0852] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 10/10/2018] [Accepted: 02/12/2019] [Indexed: 12/13/2022]
Abstract
There is a major unmet clinical need to identify pathways in inflammatory bowel disease (IBD) to classify patient disease activity, stratify patients that will benefit from targeted therapies such as anti-tumor necrosis factor (TNF), and identify new therapeutic targets. In this study, we conducted global transcriptome analysis to identify IBD-related pathways using colon biopsies, which highlighted the coagulation gene pathway as one of the most enriched gene sets in patients with IBD. Using this gene-network analysis across 14 independent cohorts and 1800 intestinal biopsies, we found that, among the coagulation pathway genes, plasminogen activator inhibitor-1 (PAI-1) expression was highly enriched in active disease and in patients with IBD who did not respond to anti-TNF biologic therapy and that PAI-1 is a key link between the epithelium and inflammation. Functionally, PAI-1 and its direct target, the fibrinolytic protease tissue plasminogen activator (tPA), played an important role in regulating intestinal inflammation. Intestinal epithelial cells produced tPA, which was protective against chemical and mechanical-mediated colonic injury in mice. In contrast, PAI-1 exacerbated mucosal damage by blocking tPA-mediated cleavage and activation of anti-inflammatory TGF-β, whereas the inhibition of PAI-1 reduced both mucosal damage and inflammation. This study identifies an immune-coagulation gene axis in IBD where elevated PAI-1 may contribute to more aggressive disease.
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Affiliation(s)
- Gerard E Kaiko
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA.,School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, University of Newcastle, NSW 2308, Australia.,Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
| | - Feidi Chen
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Chin-Wen Lai
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - I-Ling Chiang
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | | | | | - Katherine Li
- Janssen Research & Development LLC, Spring House, PA 19002, USA
| | - Brian D Muegge
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Umang Jain
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Kelli L VanDussen
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA.,Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, University of Cincinnati College of Medicine and the Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Bridie J Goggins
- School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, University of Newcastle, NSW 2308, Australia.,Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
| | - Simon Keely
- School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, University of Newcastle, NSW 2308, Australia.,Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
| | - Jessica Weaver
- School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, University of Newcastle, NSW 2308, Australia.,Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
| | - Paul S Foster
- School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, University of Newcastle, NSW 2308, Australia.,Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
| | - Daniel A Lawrence
- Departments of Pathology and Internal Medicine, Division of Cardiovascular Medicine, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Ta-Chiang Liu
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Thaddeus S Stappenbeck
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA.
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26
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IL-17 receptor-based signaling and implications for disease. Nat Immunol 2019; 20:1594-1602. [PMID: 31745337 DOI: 10.1038/s41590-019-0514-y] [Citation(s) in RCA: 261] [Impact Index Per Article: 52.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 09/10/2019] [Indexed: 12/12/2022]
Abstract
IL-17 is a highly versatile pro-inflammatory cytokine crucial for a variety of processes, including host defense, tissue repair, the pathogenesis of inflammatory disease and the progression of cancer. In contrast to its profound impact in vivo, IL-17 exhibits surprisingly moderate activity in cell-culture models, which presents a major knowledge gap about the molecular mechanisms of IL-17 signaling. Emerging studies are revealing a new dimension of complexity in the IL-17 pathway that may help explain its potent and diverse in vivo functions. Discoveries of new mRNA stabilizers and receptor-directed mRNA metabolism have provided insights into the means by which IL-17 cooperates functionally with other stimuli in driving inflammation, whether beneficial or destructive. The integration of IL-17 with growth-receptor signaling in specific cell types offers new understanding of the mitogenic effect of IL-17 on tissue repair and cancer. This Review summarizes new developments in IL-17 signaling and their pathophysiological implications.
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27
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McGeachy MJ, Cua DJ, Gaffen SL. The IL-17 Family of Cytokines in Health and Disease. Immunity 2019; 50:892-906. [PMID: 30995505 DOI: 10.1016/j.immuni.2019.03.021] [Citation(s) in RCA: 763] [Impact Index Per Article: 152.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 03/14/2019] [Accepted: 03/21/2019] [Indexed: 12/20/2022]
Abstract
The interleukin 17 (IL-17) family of cytokines contains 6 structurally related cytokines, IL-17A through IL-17F. IL-17A, the prototypical member of this family, just passed the 25th anniversary of its discovery. Although less is known about IL-17B-F, IL-17A (commonly known as IL-17) has received much attention for its pro-inflammatory role in autoimmune disease. Over the past decade, however, it has become clear that the functions of IL-17 are far more nuanced than simply turning on inflammation. Accumulating evidence indicates that IL-17 has important context- and tissue-dependent roles in maintaining health during response to injury, physiological stress, and infection. Here, we discuss the functions of the IL-17 family, with a focus on the balance between the pathogenic and protective roles of IL-17 in cancer and autoimmune disease, including results of therapeutic blockade and novel aspects of IL-17 signal transduction regulation.
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Affiliation(s)
- Mandy J McGeachy
- Division of Rheumatology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
| | | | - Sarah L Gaffen
- Division of Rheumatology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
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28
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Noack M, Beringer A, Miossec P. Additive or Synergistic Interactions Between IL-17A or IL-17F and TNF or IL-1β Depend on the Cell Type. Front Immunol 2019; 10:1726. [PMID: 31396230 PMCID: PMC6664074 DOI: 10.3389/fimmu.2019.01726] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 07/09/2019] [Indexed: 01/15/2023] Open
Abstract
Background: IL-17A has effects on several cell types and is a therapeutic target in several inflammatory diseases. IL-17F shares 50% homology and biological activities with IL-17A. It is now of interest to target both cytokines. The objective was to compare the IL-17A and IL-17F effect on cytokine production by RA synoviocytes, and to extend to other cells. Methods: Cells (RA synoviocytes, psoriasis skin fibroblasts, endothelial cells, myoblasts, and hepatocytes) were cultured in the presence or not of: IL-17A, IL-17F, TNF, IL-1β alone or their combinations, IL-17A/TNF, IL-17A/IL-1β, IL-17A/TNF/IL-1β, IL-17F/TNF, IL-17F/IL-1β, and IL-17F/TNF/IL-1β. All experiments were performed in parallel to reduce variability. After 48 h, supernatants were recovered and IL-6 and IL-8 levels were measured by ELISA. Results: IL-17A and IL-17F alone increased significantly IL-6 and IL-8 productions by synoviocytes, with a stronger effect for IL-17A. For IL-6 production, TNF or IL-1β alone had the largest effect on myoblasts (5-fold increase), while for IL-8 production, it was on skin fibroblasts (5-fold increase). The IL-17A/TNF synergistic increase was observed on all cells for IL-6; and for IL-8, except for endothelial cells. For IL-17F/TNF, except with endothelial cells, a synergistic effect was also observed, but less powerful than with IL-17A/TNF. IL-17A/IL-1β or IL-17F/IL-1β effect was cell-type dependent, with an additive effect for synoviocytes (1.6 and 2-fold increase, respectively for IL-6, and 1.8 and 2-fold increase, respectively for IL-8) and a synergistic effect for hepatocytes (3.8 and 4.2-fold increase, respectively for IL-6, and 6 and 2-fold increase, respectively for IL-8). The three-cytokine combination induced an additive effect for synoviocytes and a synergistic effect for skin fibroblasts. Conclusion: IL-17A and IL-17F acted similarly by inducing pro-inflammatory cytokine secretion, with a stronger response intensity with IL-17A. Their activities were potentiated by the combination with TNF and IL-1β, with an effect dependent on the cell type.
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Affiliation(s)
- Mélissa Noack
- Immunogenomics and Inflammation Research Unit, EA 4130, Edouard Herriot Hospital, Hospices Civils de Lyon and University Claude Bernard Lyon 1, Lyon, France
| | - Audrey Beringer
- Immunogenomics and Inflammation Research Unit, EA 4130, Edouard Herriot Hospital, Hospices Civils de Lyon and University Claude Bernard Lyon 1, Lyon, France
| | - Pierre Miossec
- Immunogenomics and Inflammation Research Unit, EA 4130, Edouard Herriot Hospital, Hospices Civils de Lyon and University Claude Bernard Lyon 1, Lyon, France
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29
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Korsensky L, Haif S, Heller R, Rabinovitz S, Haddad-Halloun J, Dahan N, Ron D. The tumor suppressor Sef is a scaffold for the classical NF-κB/RELA:P50 signaling module. Cell Signal 2019; 59:110-121. [DOI: 10.1016/j.cellsig.2019.01.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 01/26/2019] [Accepted: 01/26/2019] [Indexed: 02/07/2023]
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30
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Shen F, Verma AH, Volk A, Jones B, Coleman BM, Loza MJ, Malaviya R, Moore B, Weinstock D, Elloso MM, Gaffen SL, Ort T. Combined Blockade of TNF-α and IL-17A Alleviates Progression of Collagen-Induced Arthritis without Causing Serious Infections in Mice. THE JOURNAL OF IMMUNOLOGY 2019; 202:2017-2026. [PMID: 30745461 DOI: 10.4049/jimmunol.1801436] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 01/15/2019] [Indexed: 02/06/2023]
Abstract
The cytokines TNF-α and IL-17A are elevated in a variety of autoimmune diseases, including rheumatoid arthritis. Both cytokines are targets of several biologic drugs used in the clinic, but unfortunately many patients are refractory to these therapies. IL-17A and TNF-α are known to mediate signaling synergistically to drive expression of inflammatory genes. Hence, combined blockade of TNF-α and IL-17A represents an attractive treatment strategy in autoimmune settings where monotherapy is not fully effective. However, a major concern with this approach is the potential predisposition to opportunistic infections that might outweigh any clinical benefits. Accordingly, we examined the impact of individual versus combined neutralization of TNF-α and IL-17A in a mouse model of rheumatoid arthritis (collagen-induced arthritis) and the concomitant susceptibility to infections that are likely to manifest as side effects of blocking these cytokines (oral candidiasis or tuberculosis). Our findings indicate that combined neutralization of TNF-α and IL-17A was considerably more effective than monotherapy in improving collagen-induced arthritis disease even when administered at a minimally efficacious dose. Encouragingly, however, dual cytokine blockade did not cooperatively impair antimicrobial host defenses, as mice given combined IL-17A and TNF-α neutralization displayed infectious profiles and humoral responses comparable to mice given high doses of individual anti-TNF-α or anti-IL-17A mAbs. These data support the idea that combined neutralization of TNF-α and IL-17A for refractory autoimmunity is likely to be associated with acceptable and manageable risks of opportunistic infections associated with these cytokines.
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Affiliation(s)
- Fang Shen
- Immunology Discovery, Janssen Research and Development, LLC, Spring House, PA 19477
| | - Akash H Verma
- Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261
| | - Amy Volk
- Immuno-Toxicology, Janssen Research and Development, LLC, Spring House, PA 19477; and
| | - Brian Jones
- Immunology Discovery, Janssen Research and Development, LLC, Spring House, PA 19477
| | - Bianca M Coleman
- Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261
| | - Matthew J Loza
- Immunology Biomarker, Janssen Research and Development, LLC, Spring House, PA 19477
| | - Ravi Malaviya
- Immunology Discovery, Janssen Research and Development, LLC, Spring House, PA 19477
| | - Beverley Moore
- Immunology Discovery, Janssen Research and Development, LLC, Spring House, PA 19477
| | - Daniel Weinstock
- Immuno-Toxicology, Janssen Research and Development, LLC, Spring House, PA 19477; and
| | - M Merle Elloso
- Immunology Discovery, Janssen Research and Development, LLC, Spring House, PA 19477
| | - Sarah L Gaffen
- Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261;
| | - Tatiana Ort
- Immunology Discovery, Janssen Research and Development, LLC, Spring House, PA 19477;
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31
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Amatya N, Childs EE, Cruz JA, Aggor FEY, Garg AV, Berman AJ, Gudjonsson JE, Atasoy U, Gaffen SL. IL-17 integrates multiple self-reinforcing, feed-forward mechanisms through the RNA binding protein Arid5a. Sci Signal 2018; 11:eaat4617. [PMID: 30301788 PMCID: PMC6188668 DOI: 10.1126/scisignal.aat4617] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Interleukin-17A (IL-17A) not only stimulates immunity to fungal pathogens but also contributes to autoimmune pathology. IL-17 is only a modest activator of transcription in experimental tissue culture settings. However, IL-17 controls posttranscriptional events that enhance the expression of target mRNAs. Here, we showed that the RNA binding protein (RBP) Arid5a (AT-rich interactive domain-containing protein 5a) integrated multiple IL-17-driven signaling pathways through posttranscriptional control of mRNA. IL-17 induced expression of Arid5a, which was recruited to the adaptor TRAF2. Arid5a stabilized IL-17-induced cytokine transcripts by binding to their 3' untranslated regions and also counteracted mRNA degradation mediated by the endoribonuclease MCPIP1 (Regnase-1). Arid5a inducibly associated with the eukaryotic translation initiation complex and facilitated the translation of the transcription factors (TFs) IκBζ (Nfkbiz ) and C/EBPβ (Cebpb). These TFs in turn transactivated IL-17-dependent promoters. Together, these data indicated that Arid5a orchestrates a feed-forward amplification loop, which promoted IL-17 signaling by controlling mRNA stability and translation.
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Affiliation(s)
- Nilesh Amatya
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Erin E Childs
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - J Agustin Cruz
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Felix E Y Aggor
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Abhishek V Garg
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Andrea J Berman
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Johann E Gudjonsson
- Department of Dermatology, Taubman Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ulus Atasoy
- Division of Allergy and Immunology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Sarah L Gaffen
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA.
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32
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Weng X, Liu Y, Cui S, Cheng B. The role of RORα in salivary gland lesions in patients with primary Sjögren's syndrome. Arthritis Res Ther 2018; 20:205. [PMID: 30189901 PMCID: PMC6127992 DOI: 10.1186/s13075-018-1698-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 08/07/2018] [Indexed: 11/17/2022] Open
Abstract
Background The orphan nuclear receptors retinoic acid-related receptor α and γt (RORα and RORγt) are critical in the development of T helper 17 (Th17) cells, and ROR-specific synthetic ligands have proven efficacy in several mouse models of autoimmunity. However, the pathological significance of RORα in primary Sjögren’s syndrome (pSS) remains to be elucidated. The present study was designed to clarify the significance of RORα in the pathogenesis of pSS. Methods RORα expression in the labial salivary gland (LSG) was determined by immunohistochemical analysis using a quantitative scoring system in 34 patients with pSS. The correlation between RORα expression in LSGs and the focus score (FS) was determined, and Th17 and IL-17 receptor A (1L-17RA) levels in LSGs were determined. To investigate the effect of RORs and the therapeutic potential of targeting RORs in pSS, we administered SR1001, a selective RORα/γt inverse agonist, to non-obese diabetic (NOD) mice. Results The expression of RORα was significantly increased in LSGs of patients with pSS and intensified with disease stage/FS, showing a similar increasing trend with IL-17A and IL-17RA. SR1001 significantly improved salivary gland secretory function and relieved sialadenitis in treated mice. Conclusion Our data reveal the importance of RORα in controlling pathologic lymphocytic infiltration of the salivary glands and suggest that RORα may be a druggable target in treating pSS. Electronic supplementary material The online version of this article (10.1186/s13075-018-1698-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xiuhong Weng
- Department of Stomatology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, 430071, Hubei Province, China
| | - Yi Liu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Ave, Jianhan District, Wuhan, 430022, Hubei Province, China
| | - Shun Cui
- Department of Rheumatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Ave, Jianghan District, Wuhan, 430022, Hubei Province, China.
| | - Bo Cheng
- Department of Stomatology, Zhongnan Hospital of Wuhan University, 169 Donghu Road, Wuhan, 430071, Hubei Province, China.
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Kurte M, Luz-Crawford P, Vega-Letter AM, Contreras RA, Tejedor G, Elizondo-Vega R, Martinez-Viola L, Fernández-O'Ryan C, Figueroa FE, Jorgensen C, Djouad F, Carrión F. IL17/IL17RA as a Novel Signaling Axis Driving Mesenchymal Stem Cell Therapeutic Function in Experimental Autoimmune Encephalomyelitis. Front Immunol 2018; 9:802. [PMID: 29760692 PMCID: PMC5936796 DOI: 10.3389/fimmu.2018.00802] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 04/03/2018] [Indexed: 12/24/2022] Open
Abstract
The therapeutic effect of mesenchymal stem cells (MSCs) in multiple sclerosis (MS) and the experimental autoimmune encephalomyelitis (EAE) model has been well described. This effect is, in part, mediated through the inhibition of IL17-producing cells and the generation of regulatory T cells. While proinflammatory cytokines such as IFNγ, TNFα, and IL1β have been shown to enhance MSCs immunosuppressive function, the role of IL17 remains poorly elucidated. The aim of this study was, therefore, to investigate the role of the IL17/IL17R pathway on MSCs immunoregulatory effects focusing on Th17 cell generation in vitro and on Th17-mediated EAE pathogenesis in vivo. In vitro, we showed that the immunosuppressive effect of MSCs on Th17 cell proliferation and differentiation is partially dependent on IL17RA expression. This was associated with a reduced expression level of MSCs immunosuppressive mediators such as VCAM1, ICAM1, and PD-L1 in IL17RA-/- MSCs as compared to wild-type (WT) MSCs. In the EAE model, we demonstrated that while WT MSCs significantly reduced the clinical scores of the disease, IL17RA-/- MSCs injected mice exhibited a clinical worsening of the disease. The disability of IL17RA-/- MSCs to reduce the progression of the disease paralleled the inability of these cells to reduce the frequency of Th17 cells in the draining lymph node of the mice as compared to WT MSCs. Moreover, we showed that the therapeutic effect of MSCs was correlated with the generation of classical Treg bearing the CD4+CD25+Foxp3+ signature in an IL17RA-dependent manner. Our findings reveal a novel role of IL17RA on MSCs immunosuppressive and therapeutic potential in EAE and suggest that the modulation of IL17RA in MSCs could represent a novel method to enhance their therapeutic effect in MS.
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Affiliation(s)
- Mónica Kurte
- Laboratorio de Inmunología Celular y Molecular, Centro de Investigación Biomédica, Universidad de Los Andes, Santiago, Chile.,Programa de Doctorado en Biomedicina, Facultad de Medicina, Universidad de los Andes, Santiago, Chile
| | - Patricia Luz-Crawford
- Laboratorio de Inmunología Celular y Molecular, Centro de Investigación Biomédica, Universidad de Los Andes, Santiago, Chile
| | - Ana María Vega-Letter
- Programa de Inmunología Traslacional, Facultad de Medicina, Clínica Alemana Universidad del Desarrollo, Santiago, Chile
| | - Rafael A Contreras
- Laboratorio de Inmunología Celular y Molecular, Centro de Investigación Biomédica, Universidad de Los Andes, Santiago, Chile.,Programa de Doctorado en Biomedicina, Facultad de Medicina, Universidad de los Andes, Santiago, Chile
| | - Gautier Tejedor
- IRMB, INSERM, Université de Montpellier, Montpellier, France
| | - Roberto Elizondo-Vega
- Laboratorio de Inmunología Celular y Molecular, Centro de Investigación Biomédica, Universidad de Los Andes, Santiago, Chile
| | - Luna Martinez-Viola
- Laboratorio de Inmunología Celular y Molecular, Centro de Investigación Biomédica, Universidad de Los Andes, Santiago, Chile
| | - Catalina Fernández-O'Ryan
- Laboratorio de Inmunología Celular y Molecular, Centro de Investigación Biomédica, Universidad de Los Andes, Santiago, Chile
| | - Fernando E Figueroa
- Laboratorio de Inmunología Celular y Molecular, Centro de Investigación Biomédica, Universidad de Los Andes, Santiago, Chile
| | | | - Farida Djouad
- IRMB, INSERM, Université de Montpellier, Montpellier, France
| | - Flavio Carrión
- Programa de Inmunología Traslacional, Facultad de Medicina, Clínica Alemana Universidad del Desarrollo, Santiago, Chile
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Lin W, Wang N, Zhou K, Su F, Jiang Y, Shou J, Liu H, Ma C, Qian Y, Wang K, Wang X. RKIP mediates autoimmune inflammation by positively regulating IL-17R signaling. EMBO Rep 2018; 19:embr.201744951. [PMID: 29674348 DOI: 10.15252/embr.201744951] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 03/09/2018] [Accepted: 03/20/2018] [Indexed: 01/09/2023] Open
Abstract
Th17 cells contribute to the development of autoimmune diseases by secreting interleukin-17 (IL-17), which activates its receptor (IL-17R) that is expressed on epithelial cells, macrophages, microglia, and resident neuroectodermal cells. However, the mechanisms through which IL-17R-mediated signaling contributes to the development of autoimmune disease have not been completely elucidated. Here, we demonstrate that Raf-1 kinase inhibitor protein (RKIP) deficiency in mice ameliorates the symptoms of experimental autoimmune encephalomyelitis (EAE). Adoptive T-cell-transfer experiments demonstrate that RKIP plays a predominant role in Th17-mediated, but not in Th1-mediated immune responses. RKIP deficiency has no effect on Th17-cell differentiation ex vivo, nor does it affect Th17-cell differentiation in EAE mice. However, RKIP significantly promotes IL-17R-induced proinflammatory cytokine and chemokine production. Mechanistically, RKIP directly interacts with IL-17RA and Act1 to promote the formation of an IL-17R-Act1 complex, resulting in enhanced MAPK- and P65-mediated NF-κB activation and downstream cytokine production. Together, these findings indicate that RKIP functions as an essential modulator of the IL-17R-Act1 axis in IL-17R signaling, which promotes IL-17-induced inflammation and autoimmune neuroinflammation.
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Affiliation(s)
- Wenlong Lin
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.,Department of Respiratory Medicine, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Ning Wang
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Kangxing Zhou
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Fasheng Su
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yu Jiang
- Department of Clinical Laboratory Medicine, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jianan Shou
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Huan Liu
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Chunmei Ma
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Youchun Qian
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences/Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kai Wang
- Department of Respiratory Medicine, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xiaojian Wang
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
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35
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Role of Interleukin- (IL-) 17 in the Pathogenesis and Targeted Therapies in Spondyloarthropathies. Mediators Inflamm 2018; 2018:2403935. [PMID: 29670461 PMCID: PMC5833467 DOI: 10.1155/2018/2403935] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 12/18/2017] [Accepted: 12/31/2017] [Indexed: 12/11/2022] Open
Abstract
Spondyloarthropathy (SpA) is a unique type of joint inflammation characterized by coexisting erosive bone damage and pathological new bone formation. Previous genetic association studies have demonstrated that several cytokine pathways play a critical role in the pathogenesis of ankylosing spondylitis (AS), psoriatic arthritis (PsA), and other types of SpA. In addition to several well-known proinflammatory cytokines, recent studies suggest that IL-17 plays a pivotal role in the pathogenesis of SpA. Further evidence from human and animal studies have defined that IL-17 and IL-17-producing cells contribute to tissue inflammation, autoimmunity, and host defense, leading to the following pathologic events associated with SpA. Recently, several clinical trials targeting IL-17 pathways demonstrated the positive response of IL-17 blockade in treating AS, indicating a great potential of IL-17-targeting therapy in SpA. In this review article, we have discussed the contributing role of IL-17 and different IL-17-producing cells in the pathogenesis of SpA and provided an outline of therapeutic application of the IL-17 blockade in the treatment of SpA. Other targeted cytokines associated with IL-17 axis in SpA will also be included.
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36
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Nguyen PM, Putoczki TL. Could the inhibition of IL-17 or IL-18 be a potential therapeutic opportunity for gastric cancer? Cytokine 2018; 118:8-18. [PMID: 29396054 DOI: 10.1016/j.cyto.2018.01.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 01/08/2018] [Accepted: 01/08/2018] [Indexed: 02/07/2023]
Abstract
Chronic inflammation is recognized as a key tumor-promoting factor in a number of epithelial cancers, including gastric cancer (GC). The production of pro-inflammatory cytokines in the tumor microenvironment by both the innate and the adaptive immune response can activate signaling pathways that are associated with increased cell survival and proliferation of cancer cells. Among the cytokines that have most commonly been linked to inflammation-associated cancers, are the Th17 cell-associated cytokines IL-17A, IL-23, IL-22, and the IL-1 family members IL-1β and IL-18. However, whether their contribution to inflammation-associated cancers is universal, or specific to individual types of cancers, remains to be elucidated. This review will explore our current understanding of the known roles of these cytokines in gastritis and discuss how their therapeutic inhibition may be useful for GC.
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Affiliation(s)
- Paul M Nguyen
- Walter and Eliza Hall Institute of Medical Research, Victoria 3052, Australia; Department of Medical Biology, University of Melbourne, Victoria 3052, Australia
| | - Tracy L Putoczki
- Walter and Eliza Hall Institute of Medical Research, Victoria 3052, Australia; Department of Medical Biology, University of Melbourne, Victoria 3052, Australia.
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37
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Liu S, Zhang Q, Chen C, Ge D, Qu Y, Chen R, Fan YM, Li N, Tang WW, Zhang W, Zhang K, Wang AR, Rowan BG, Hill SM, Sartor O, Abdel-Mageed AB, Myers L, Lin Q, You Z. Hyperinsulinemia enhances interleukin-17-induced inflammation to promote prostate cancer development in obese mice through inhibiting glycogen synthase kinase 3-mediated phosphorylation and degradation of interleukin-17 receptor. Oncotarget 2017; 7:13651-66. [PMID: 26871944 PMCID: PMC4924668 DOI: 10.18632/oncotarget.7296] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 01/29/2016] [Indexed: 01/28/2023] Open
Abstract
Interleukin-17 (IL-17) plays important roles in inflammation, autoimmune diseases, and some cancers. Obese people are in a chronic inflammatory state with increased serum levels of IL-17, insulin, and insulin-like growth factor 1 (IGF1). How these factors contribute to the chronic inflammatory status that promotes development of aggressive prostate cancer in obese men is largely unknown. We found that, in obese mice, hyperinsulinemia enhanced IL-17-induced expression of downstream proinflammatory genes with increased levels of IL-17 receptor A (IL-17RA), resulting in development of more invasive prostate cancer. Glycogen synthase kinase 3 (GSK3) constitutively bound to and phosphorylated IL-17RA at T780, leading to ubiquitination and proteasome-mediated degradation of IL-17RA, thus inhibiting IL-17-mediated inflammation. IL-17RA phosphorylation was reduced, while the IL-17RA levels were increased in the proliferative human prostate cancer cells compared to the normal cells. Insulin and IGF1 enhanced IL-17-induced inflammatory responses through suppressing GSK3, which was shown in the cultured cell lines in vitro and obese mouse models of prostate cancer in vivo. These findings reveal a mechanism underlying the intensified inflammation in obesity and obesity-associated development of aggressive prostate cancer, suggesting that targeting GSK3 may be a potential therapeutic approach to suppress IL-17-mediated inflammation in the prevention and treatment of prostate cancer, particularly in obese men.
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Affiliation(s)
- Sen Liu
- Department of Structural and Cellular Biology, Tulane University, New Orleans, LA 70112, USA
| | - Qiuyang Zhang
- Department of Structural and Cellular Biology, Tulane University, New Orleans, LA 70112, USA
| | - Chong Chen
- Department of Structural and Cellular Biology, Tulane University, New Orleans, LA 70112, USA
| | - Dongxia Ge
- Department of Structural and Cellular Biology, Tulane University, New Orleans, LA 70112, USA
| | - Yine Qu
- Department of Structural and Cellular Biology, Tulane University, New Orleans, LA 70112, USA
| | - Rongyi Chen
- Department of Dermatology, Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong 524001, China
| | - Yi-Ming Fan
- Department of Dermatology, Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong 524001, China
| | - Nan Li
- Department of Dermatology, Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong 524001, China
| | - Wendell W Tang
- Department of Pathology, Ochsner Clinic Foundation, New Orleans, LA 70130, USA
| | - Wensheng Zhang
- Department of Computer Science and Biostatistics Facility of RCMI Cancer Research Center, Xavier University of Louisiana, New Orleans, LA 70125, USA
| | - Kun Zhang
- Department of Computer Science and Biostatistics Facility of RCMI Cancer Research Center, Xavier University of Louisiana, New Orleans, LA 70125, USA
| | - Alun R Wang
- Department of Pathology and Laboratory Medicine, Tulane University, New Orleans, LA 70112, USA
| | - Brian G Rowan
- Department of Structural and Cellular Biology, Tulane University, New Orleans, LA 70112, USA.,Tulane Cancer Center, Louisiana Cancer Research Consortium, Tulane University, New Orleans, LA 70112, USA.,Tulane Center for Stem Cell Research and Regenerative Medicine, Tulane University, New Orleans, LA 70112, USA
| | - Steven M Hill
- Department of Structural and Cellular Biology, Tulane University, New Orleans, LA 70112, USA.,Tulane Cancer Center, Louisiana Cancer Research Consortium, Tulane University, New Orleans, LA 70112, USA
| | - Oliver Sartor
- Tulane Cancer Center, Louisiana Cancer Research Consortium, Tulane University, New Orleans, LA 70112, USA.,Department of Urology, Tulane University, New Orleans, LA 70112, USA.,Department of Medicine, Tulane University, New Orleans, LA 70112, USA
| | - Asim B Abdel-Mageed
- Tulane Cancer Center, Louisiana Cancer Research Consortium, Tulane University, New Orleans, LA 70112, USA.,Department of Urology, Tulane University, New Orleans, LA 70112, USA
| | - Leann Myers
- Department of Biostatistics and Bioinformatics, Tulane University, New Orleans, LA 70112, USA
| | - Qishan Lin
- Proteomics/Mass Spectrometry Facility, University at Albany, Rensselaer, NY 12144, USA
| | - Zongbing You
- Department of Structural and Cellular Biology, Tulane University, New Orleans, LA 70112, USA.,Tulane Cancer Center, Louisiana Cancer Research Consortium, Tulane University, New Orleans, LA 70112, USA.,Tulane Center for Stem Cell Research and Regenerative Medicine, Tulane University, New Orleans, LA 70112, USA.,Department of Orthopaedic Surgery and Tulane Center for Aging, Tulane University, New Orleans, LA 70112, USA
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38
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IL-17B: A new area of study in the IL-17 family. Mol Immunol 2017; 90:50-56. [PMID: 28704706 DOI: 10.1016/j.molimm.2017.07.004] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 06/11/2017] [Accepted: 07/01/2017] [Indexed: 01/21/2023]
Abstract
The interleukin (IL)-17 superfamily, a relatively new family of cytokines, consists of six ligands (from IL-17A to IL-17F), which bind to five receptor subtypes (from IL-17RA to IL-17RE) and induce downstream signaling. IL-17A, a prototype member of this family, has been reported to be involved in the pathogenesis of allergies, autoimmune diseases, allograft transplantations, and malignancies. Unlike IL-17A, which is mainly produced by T helper 17 cells, IL-17B is widely expressed in various tissues. Recently, the biological function of IL-17B in diseases, particularly tumors, has attracted the attention of researchers. We previously reported that the expression of IL-17RB increased in gastric cancer tissues and demonstrated that IL-17B/IL-17RB signaling plays a critical role in gastric tumor progression. However, studies on IL-17B are scant. In this review, we detail the structural characteristics, expression patterns, and biological activities of IL-17B and its potential role in the pathogenesis of diseases.
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39
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Buckley KM, Ho ECH, Hibino T, Schrankel CS, Schuh NW, Wang G, Rast JP. IL17 factors are early regulators in the gut epithelium during inflammatory response to Vibrio in the sea urchin larva. eLife 2017; 6. [PMID: 28447937 PMCID: PMC5457136 DOI: 10.7554/elife.23481] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Accepted: 04/25/2017] [Indexed: 12/25/2022] Open
Abstract
IL17 cytokines are central mediators of mammalian immunity. In vertebrates, these factors derive from diverse cellular sources. Sea urchins share a molecular heritage with chordates that includes the IL17 system. Here, we characterize the role of epithelial expression of IL17 in the larval gut-associated immune response. The purple sea urchin genome encodes 10 IL17 subfamilies (35 genes) and 2 IL17 receptors. Most of these subfamilies are conserved throughout echinoderms. Two IL17 subfamilies are sequentially strongly upregulated and attenuated in the gut epithelium in response to bacterial disturbance. IL17R1 signal perturbation results in reduced expression of several response genes including an IL17 subtype, indicating a potential feedback. A third IL17 subfamily is activated in adult immune cells indicating that expression in immune cells and epithelia is divided among families. The larva provides a tractable model to investigate the regulation and consequences of gut epithelial IL17 expression across the organism. DOI:http://dx.doi.org/10.7554/eLife.23481.001 To protect themselves from the constant invasion of harmful microbes, animals have evolved complex immune systems. The gut is one of the most active sites of the immune system and plays a key role in regulating immune responses. In mammals, cells lining the gut wall can sense the presence of harmful bacteria and communicate this information to tissues across the body by producing specialized proteins called Interleukin-17 (IL-17). IL-17 proteins are important for regulating inflammation and are thought to activate specific immune cells in an infected area. Some aspects of immune systems are similar between different animal species, which can provide clues of how immunity evolved and how it is regulated. For example, sea urchins, which evolved 400-600 million years ago, begin life as simple larvae consisting of a few thousand cells. As oceans harbor a multitude of bacteria and viruses, sea urchin larvae need an efficient immune system to defend themselves. These larvae can respond to specific types of bacteria within a few hours after the microbes have entered their gut by modifying gene expression in distant cells. As these changes occur in cells that are removed from the bacteria, it is thought that the gut cells that initially sense the bacteria, somehow communicate this information. Now, Buckley et al. exposed sea urchin larvae to a marine bacterium and measured the responses of the cells and their gene expression. The infection affected several types of cells, and in the first 24 hours, a subset of immune cells changed shape and started migrating to the gut wall. In addition, IL-17 gene expression changed significantly in gut cells in the early phases of the larval immune response. Buckley et al. identified three types of IL-17 proteins involved in sea urchin immunity: two that are important for the immune response in the gut during the larval stage, and a third that is only present in adults. These findings suggest that IL-17 signaling is an ancient and central element of gut-associated immune response, which even exists in animals that evolved long before humans. These findings demonstrate that the sea urchin larva represents a unique and ideal experimental model to study immune responses in a living organism that is more closely related to mammals than some other models, like fruit flies or worms. By understanding the fundamental mechanisms that mediate gut health, this work may highlight new drug targets to treat conditions like Crohn’s disease and colon cancer. DOI:http://dx.doi.org/10.7554/eLife.23481.002
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Affiliation(s)
- Katherine M Buckley
- Department of Immunology, University of Toronto, Toronto, Canada.,Sunnybrook Research Institute, Toronto, Canada
| | - Eric Chun Hei Ho
- Sunnybrook Research Institute, Toronto, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Canada
| | - Taku Hibino
- Sunnybrook Research Institute, Toronto, Canada
| | - Catherine S Schrankel
- Department of Immunology, University of Toronto, Toronto, Canada.,Sunnybrook Research Institute, Toronto, Canada
| | - Nicholas W Schuh
- Sunnybrook Research Institute, Toronto, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Canada
| | - Guizhi Wang
- Sunnybrook Research Institute, Toronto, Canada
| | - Jonathan P Rast
- Department of Immunology, University of Toronto, Toronto, Canada.,Sunnybrook Research Institute, Toronto, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Canada
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40
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Cytotoxic effector functions of T cells are not required for protective immunity against fatal Rickettsia typhi infection in a murine model of infection: Role of TH1 and TH17 cytokines in protection and pathology. PLoS Negl Trop Dis 2017; 11:e0005404. [PMID: 28222146 PMCID: PMC5336310 DOI: 10.1371/journal.pntd.0005404] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 03/03/2017] [Accepted: 02/12/2017] [Indexed: 01/05/2023] Open
Abstract
Endemic typhus caused by Rickettsia (R.) typhi is an emerging febrile disease that can be fatal due to multiple organ pathology. Here we analyzed the requirements for protection against R. typhi by T cells in the CB17 SCID model of infection. BALB/c wild-type mice generate CD4+ TH1 and cytotoxic CD8+ T cells both of which are sporadically reactivated in persistent infection. Either adoptively transferred CD8+ or CD4+ T cells protected R. typhi-infected CB17 SCID mice from death and provided long-term control. CD8+ T cells lacking either IFNγ or Perforin were still protective, demonstrating that the cytotoxic function of CD8+ T cells is not essential for protection. Immune wild-type CD4+ T cells produced high amounts of IFNγ, induced the release of nitric oxide in R. typhi-infected macrophages and inhibited bacterial growth in vitro via IFNγ and TNFα. However, adoptive transfer of CD4+IFNγ-/- T cells still protected 30-90% of R. typhi-infected CB17 SCID mice. These cells acquired a TH17 phenotype, producing high amounts of IL-17A and IL-22 in addition to TNFα, and inhibited bacterial growth in vitro. Surprisingly, the neutralization of either TNFα or IL-17A in CD4+IFNγ-/- T cell recipient mice did not alter bacterial elimination by these cells in vivo, led to faster recovery and enhanced survival compared to isotype-treated animals. Thus, collectively these data show that although CD4+ TH1 cells are clearly efficient in protection against R. typhi, CD4+ TH17 cells are similarly protective if the harmful effects of combined production of TNFα and IL-17A can be inhibited.
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41
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IL-17 Signaling: The Yin and the Yang. Trends Immunol 2017; 38:310-322. [PMID: 28254169 PMCID: PMC5411326 DOI: 10.1016/j.it.2017.01.006] [Citation(s) in RCA: 454] [Impact Index Per Article: 64.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 01/24/2017] [Accepted: 01/25/2017] [Indexed: 02/06/2023]
Abstract
Interleukin (IL)-17 is the founding member of a novel family of inflammatory cytokines. While the proinflammatory properties of IL-17 are key to its host-protective capacity, unrestrained IL-17 signaling is associated with immunopathology, autoimmune disease, and cancer progression. In this review we discuss both the activators and the inhibitors of IL-17 signal transduction, and also the physiological implications of these events. We highlight the surprisingly diverse means by which these regulators control expression of IL-17-dependent inflammatory genes, as well as the major target cells that respond to IL-17 signaling.
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42
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Wu J, Guo J, Cao Q, Wang Y, Chen J, Wang Z, Yuan Z. Autophagy impacts on oxaliplatin-induced hepatocarcinoma apoptosis via the IL-17/IL-17R-JAK2/STAT3 signaling pathway. Oncol Lett 2017; 13:770-776. [PMID: 28356957 PMCID: PMC5351189 DOI: 10.3892/ol.2016.5476] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 10/27/2016] [Indexed: 12/22/2022] Open
Abstract
The interleukin (IL)-17/IL-17 receptor (IL-17R) complex has been shown to be important for the regulation of inflammation; however, its role in the regulation of tumor processes has recently emerged as a research focus. The present study demonstrated that oxaliplatin was able to increase the levels of IL-17/IL-17R in hepatocellular carcinoma (HCC) patients and cells lines, and that it had important roles in reducing the susceptibility of the cells to oxaliplatin-induced apoptosis. Furthermore, the expression of autophagy-related proteins was induced by IL-17/IL-17R and autophagy was shown to induce resistance to oxaliplatin in HCC. In addition, the janus kinase 2 (JAK2)/signal transducer and activator of transcription 3 (STAT3) pathway was shown to be an important pathway in the induction of autophagy in response to oxaliplatin. Autopjhagy was inhibited by 3-methyladenine and JAK2/STAT3 signaling was blocked by AG490, which induced apoptosis in SMMC7721 cells treated with oxaliplatin. The results of the present study may help to elucidate the mechanism underlying the role of IL-17/IL-17R-induced autophagy in the chemoresistance of HCC, as well as help to establish and develop measures to overcome chemoresistance in HCC.
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Affiliation(s)
- Jinghua Wu
- Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300000, P.R. China
- Clinical Laboratory, Affiliated Hospital of North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Jiapei Guo
- Clinical Laboratory, Affiliated Hospital of North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Qing Cao
- Clinical Laboratory, Hebei Medical University Second Hospital, Shijiazhuang, Hebei 050000, P.R. China
| | - Yi Wang
- Clinical Laboratory, Affiliated Hospital of North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Junmao Chen
- Clinical Laboratory, Affiliated Hospital of North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Zhigang Wang
- Clinical Laboratory, Tangshan Fengrun Region Second People's Hospital, Tangshan, Hebei 063000, P.R. China
| | - Zhiyong Yuan
- Key Laboratory of Cancer Prevention and Therapy, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300000, P.R. China
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43
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Simpson-Abelson MR, Hernandez-Mir G, Childs EE, Cruz JA, Poholek AC, Chattopadhyay A, Gaffen SL, McGeachy MJ. CCAAT/Enhancer-binding protein β promotes pathogenesis of EAE. Cytokine 2017; 92:24-32. [PMID: 28088614 DOI: 10.1016/j.cyto.2017.01.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 12/22/2016] [Accepted: 01/05/2017] [Indexed: 10/20/2022]
Abstract
The CCAAT/Enhancer Binding Protein β (C/EBPβ) transcription factor is activated by multiple inflammatory stimuli, including IL-17 and LPS, and C/EBPβ itself regulates numerous genes involved in inflammation. However, the role of C/EBPβ in driving autoimmunity is not well understood. Here, we demonstrate that Cebpb-/- mice are resistant to EAE. Cebpb-/- mice exhibited reduced lymphocyte and APC infiltration into CNS following EAE induction. Furthermore, MOG-induced Th17 cytokine production was impaired in draining LN, indicating defects in Th17 cell priming. In vitro Th17 polarization studies indicated that T cell responses are not inherently defective, instead supporting the known roles for C/EBPβ in myeloid lineage cell activation as the likely mechanism for defective Th17 priming in vivo. However, we did uncover an unexpected role for C/EBPβ in regulating ll23r expression in APCs. ChIP assays confirmed that C/EBPβ binds directly to the Il23r gene promoter in dendritic cells and Th17 cells. These data establish C/EBPβ as a key driver of autoimmune inflammation in EAE, and propose a novel role for C/EBPβ in regulation of IL-23R expression.
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Affiliation(s)
| | - Gerard Hernandez-Mir
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Erin E Childs
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - J Agustin Cruz
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Amanda C Poholek
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA; Department of Pediatrics, Children's Hospital of UPMC, Pittsburgh, PA, USA
| | - Ansuman Chattopadhyay
- Molecular Biology Information Service, Health Sciences Library System, University of Pittsburgh, Pittsburgh, PA, USA
| | - Sarah L Gaffen
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA.
| | - Mandy J McGeachy
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA.
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44
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Genetic, immunological, and clinical features of patients with bacterial and fungal infections due to inherited IL-17RA deficiency. Proc Natl Acad Sci U S A 2016; 113:E8277-E8285. [PMID: 27930337 DOI: 10.1073/pnas.1618300114] [Citation(s) in RCA: 120] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Chronic mucocutaneous candidiasis (CMC) is defined as recurrent or persistent infection of the skin, nails, and/or mucosae with commensal Candida species. The first genetic etiology of isolated CMC-autosomal recessive (AR) IL-17 receptor A (IL-17RA) deficiency-was reported in 2011, in a single patient. We report here 21 patients with complete AR IL-17RA deficiency, including this first patient. Each patient is homozygous for 1 of 12 different IL-17RA alleles, 8 of which create a premature stop codon upstream from the transmembrane domain and have been predicted and/or shown to prevent expression of the receptor on the surface of circulating leukocytes and dermal fibroblasts. Three other mutant alleles create a premature stop codon downstream from the transmembrane domain, one of which encodes a surface-expressed receptor. Finally, the only known missense allele (p.D387N) also encodes a surface-expressed receptor. All of the alleles tested abolish cellular responses to IL-17A and -17F homodimers and heterodimers in fibroblasts and to IL-17E/IL-25 in leukocytes. The patients are currently aged from 2 to 35 y and originate from 12 unrelated kindreds. All had their first CMC episode by 6 mo of age. Fourteen patients presented various forms of staphylococcal skin disease. Eight were also prone to various bacterial infections of the respiratory tract. Human IL-17RA is, thus, essential for mucocutaneous immunity to Candida and Staphylococcus, but otherwise largely redundant. A diagnosis of AR IL-17RA deficiency should be considered in children or adults with CMC, cutaneous staphylococcal disease, or both, even if IL-17RA is detected on the cell surface.
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45
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Bie Q, Sun C, Gong A, Li C, Su Z, Zheng D, Ji X, Wu Y, Guo Q, Wang S, Xu H. Non-tumor tissue derived interleukin-17B activates IL-17RB/AKT/β-catenin pathway to enhance the stemness of gastric cancer. Sci Rep 2016; 6:25447. [PMID: 27146881 PMCID: PMC4857095 DOI: 10.1038/srep25447] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Accepted: 04/15/2016] [Indexed: 12/25/2022] Open
Abstract
Inflammation is a critical component involved in tumor progression. Interleukin-17 (IL-17) belongs to a relatively new family of cytokines that has been associated with the progression of cancers. However, the role of IL-17B/IL-17RB (IL-17 receptor B) signaling to stemness of gastric cancer remains unknown. Here, we confirmed that the expression of IL-17RB in gastric cancer tissues was significantly increased, that overexpression was associated with poor prognosis of gastric cancer patients, and that overexpression was positively correlated with some stemness markers. Interestingly, the expression of IL-17B was upregulated in patient serum rather than gastric tumor tissues. Furthermore, exogenous rIL-17B significantly promoted the stemness of gastric cancer cells depending on IL-17RB and induced the expression of IL-17RB. Simultaneously, the expression of phosphorylated AKT, GSK-3β, and β-catenin as well as the nuclear translocation of β-catenin were significantly increased in the MGC-803 cell in a dose-dependent manner, when treated with rIL-17B. The AKT inhibitor, LY294002, and the knockdown of AKT expression reversed the rIL-17B-induced upregulation of β-catenin and some stemness markers. Together, our results indicate that the IL-17B/IL-17RB signal can promote the growth and migration of tumor cells, and upregulate cell stemness through activating the AKT/β-catenin pathway in gastric cancer, suggesting that IL-17RB may be a novel target in human gastric cancer therapy.
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Affiliation(s)
- Qingli Bie
- Department of Immunology, School of medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China
| | - Caixia Sun
- Department of Anesthesiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, PR China
| | - Aihua Gong
- Key Laboratory of Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China
| | - Chunye Li
- Department of Anesthesiology, The Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, PR China
| | - Zhaoliang Su
- Department of Immunology, School of medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China.,Key Laboratory of Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China
| | - Dong Zheng
- Department of Immunology, School of medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China
| | - Xiaoyun Ji
- Department of Immunology, School of medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China
| | - Yumin Wu
- Department of Immunology, School of medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China
| | - Qi Guo
- Department of Immunology, School of medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China.,Key Laboratory of Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China
| | - Shengjun Wang
- Department of Immunology, School of medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China.,Key Laboratory of Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China
| | - Huaxi Xu
- Department of Immunology, School of medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China.,Key Laboratory of Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, PR China
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46
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Lorè NI, Bragonzi A, Cigana C. The IL-17A/IL-17RA axis in pulmonary defence and immunopathology. Cytokine Growth Factor Rev 2016; 30:19-27. [PMID: 27033174 DOI: 10.1016/j.cytogfr.2016.03.009] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 03/17/2016] [Accepted: 03/17/2016] [Indexed: 01/11/2023]
Abstract
The interleukin (IL)-17A/IL-17 receptor A (IL-17RA) axis is emerging as a key player in host defence. Several studies have demonstrated that IL-17A-mediated responses play a critical role in both acute and chronic inflammation induced by infectious agents, environmental stimuli and genetic diseases in the airways. In this regard, it is becoming evident that IL-17A/IL-17RA signalling may have a protective and beneficial impact on health, but that it can also result in detrimental outcomes. On one hand, the IL-17A/IL-17RA axis can contribute to the elimination of noxious stimuli and to the resolution of acute inflammatory processes; on the other hand, it can exacerbate immunopathological responses, contributing to the development and progression of chronic respiratory illnesses. In addition, cellular and molecular signatures underlying IL-17A/IL-17RA signalling have been increasingly identified, although further studies are needed to clarify such complex responses. Here, we discuss the latest discoveries on the role of the IL-17A/IL-17RA axis in driving host pulmonary defence and immunopathology.
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Affiliation(s)
- Nicola Ivan Lorè
- Infections and Cystic Fibrosis Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milano, Italy.
| | - Alessandra Bragonzi
- Infections and Cystic Fibrosis Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milano, Italy
| | - Cristina Cigana
- Infections and Cystic Fibrosis Unit, Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Milano, Italy
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47
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Simpson-Abelson MR, Childs EE, Ferreira MC, Bishu S, Conti HR, Gaffen SL. C/EBPβ Promotes Immunity to Oral Candidiasis through Regulation of β-Defensins. PLoS One 2015; 10:e0136538. [PMID: 26317211 PMCID: PMC4552893 DOI: 10.1371/journal.pone.0136538] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 08/04/2015] [Indexed: 12/27/2022] Open
Abstract
Humans or mice subjected to immunosuppression, such as corticosteroids or anti-cytokine biologic therapies, are susceptible to mucosal infections by the commensal fungus Candida albicans. Recently it has become evident that the Th17/IL-17 axis is essential for immunity to candidiasis, but the downstream events that control immunity to this fungus are poorly understood. The CCAAT/Enhancer Binding Protein-β (C/EBPβ) transcription factor is important for signaling by multiple inflammatory stimuli, including IL-17. C/EBPβ is regulated in a variety of ways by IL-17, and controls several downstream IL-17 target genes. However, the role of C/EBPβ in vivo is poorly understood, in part because C/EBPβ-deficient mice are challenging to breed and work with. In this study, we sought to understand the role of C/EBPβ in the context of an IL-17-dependent immune response, using C. albicans infection as a model system. Confirming prior findings, we found that C/EBPβ is required for immunity to systemic candidiasis. In contrast, C/EBPβ(-/-) mice were resistant to oropharyngeal candidiasis (OPC), in a manner indistinguishable from immunocompetent WT mice. However, C/EBPβ(-/-) mice experienced more severe OPC than WT mice in the context of cortisone-induced immunosuppression. Expression of the antimicrobial peptide β-defensin (BD)-3 correlated strongly with susceptibility in C/EBPβ(-/-) mice, but no other IL-17-dependent genes were associated with susceptibility. Therefore, C/EBPβ contributes to immunity to mucosal candidiasis during cortisone immunosuppression in a manner linked to β-defensin 3 expression, but is apparently dispensable for the IL-17-dependent response.
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Affiliation(s)
- Michelle R. Simpson-Abelson
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Erin E. Childs
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - M. Carolina Ferreira
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Shrinivas Bishu
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Heather R. Conti
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Sarah L. Gaffen
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States of America
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48
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Garg AV, Amatya N, Chen K, Cruz JA, Grover P, Whibley N, Conti HR, Hernandez Mir G, Sirakova T, Childs EC, Smithgall TE, Biswas PS, Kolls JK, McGeachy MJ, Kolattukudy PE, Gaffen SL. MCPIP1 Endoribonuclease Activity Negatively Regulates Interleukin-17-Mediated Signaling and Inflammation. Immunity 2015; 43:475-87. [PMID: 26320658 DOI: 10.1016/j.immuni.2015.07.021] [Citation(s) in RCA: 105] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2014] [Revised: 05/31/2015] [Accepted: 06/16/2015] [Indexed: 01/13/2023]
Abstract
Interleukin-17 (IL-17) induces pathology in autoimmunity and infections; therefore, constraint of this pathway is an essential component of its regulation. We demonstrate that the signaling intermediate MCPIP1 (also termed Regnase-1, encoded by Zc3h12a) is a feedback inhibitor of IL-17 receptor signal transduction. MCPIP1 knockdown enhanced IL-17-mediated signaling, requiring MCPIP1's endoribonuclease but not deubiquitinase domain. MCPIP1 haploinsufficient mice showed enhanced resistance to disseminated Candida albicans infection, which was reversed in an Il17ra(-/-) background. Conversely, IL-17-dependent pathology in Zc3h12a(+/-) mice was exacerbated in both EAE and pulmonary inflammation. MCPIP1 degraded Il6 mRNA directly but only modestly downregulated the IL-6 promoter. However, MCPIP1 strongly inhibited the Lcn2 promoter by regulating the mRNA stability of Nfkbiz, encoding the IκBζ transcription factor. Unexpectedly, MCPIP1 degraded Il17ra and Il17rc mRNA, independently of the 3' UTR. The cumulative impact of MCPIP1 on IL-6, IκBζ, and possibly IL-17R subunits results in a biologically relevant inhibition of IL-17 signaling.
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Affiliation(s)
- Abhishek V Garg
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Nilesh Amatya
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Kong Chen
- Department of Pediatrics & Immunology, Richard King Mellon Institute for Pediatric Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA
| | - J Agustin Cruz
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Prerna Grover
- Department of Microbiology & Molecular Genetics, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Natasha Whibley
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Heather R Conti
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Gerard Hernandez Mir
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Tatiana Sirakova
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA
| | - Erin C Childs
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Thomas E Smithgall
- Department of Microbiology & Molecular Genetics, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Partha S Biswas
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Jay K Kolls
- Department of Pediatrics & Immunology, Richard King Mellon Institute for Pediatric Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15224, USA
| | - Mandy J McGeachy
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Pappachan E Kolattukudy
- Department of Microbiology & Molecular Genetics, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Sarah L Gaffen
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA.
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49
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Jee J, Bonnegarde-Bernard A, Duverger A, Iwakura Y, Cormet-Boyaka E, Martin TL, Steiner HE, Bachman RC, Boyaka PN. Neutrophils negatively regulate induction of mucosal IgA responses after sublingual immunization. Mucosal Immunol 2015; 8:735-45. [PMID: 25563500 PMCID: PMC4481173 DOI: 10.1038/mi.2014.105] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2014] [Accepted: 10/02/2014] [Indexed: 02/04/2023]
Abstract
Induction of mucosal immunoglobulin-A (IgA) capable of providing a first line of defense against bacterial and viral pathogens remains a major goal of needle-free vaccines given via mucosal routes. Innate immune cells are known to play a central role in induction of IgA responses by mucosal vaccines, but the relative contribution of myeloid cell subsets to these responses has not firmly been established. Using an in vivo model of sublingual vaccination with Bacillus anthracis edema toxin (EdTx) as adjuvant, we examined the role of myeloid cell subsets for mucosal secretory IgA responses. Sublingual immunization of wild-type mice resulted in a transient increase of neutrophils in sublingual tissues and cervical lymph nodes. These mice later developed Ag-specific serum IgG responses, but not serum or mucosal IgA. Interestingly, EdTx failed to increase neutrophils in sublingual tissues and cervical lymph nodes of IKKβ(ΔMye) mice, and these mice developed IgA responses. Partial depletion of neutrophils before immunization of wild-type mice allowed the development of both mucosal and serum IgA responses. Finally, co-culture of B cells with neutrophils from either wild-type or IKKβ(ΔMye) mice suppressed secretion of IgA, but not IgM or IgG. These results identify a new role for neutrophils as negative regulators of IgA responses.
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Affiliation(s)
- Junbae Jee
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | | | - Alexandra Duverger
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | | | | | - Tara L. Martin
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - Haley E. Steiner
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - Ryan C. Bachman
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
| | - Prosper N. Boyaka
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA,Department of Internal Medicine, The Ohio State University, Columbus, OH, USA,Center for Microbial Interface Biology, The Ohio State University, Columbus, OH, USA
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50
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Sharma J, Balakrishnan L, Datta KK, Sahasrabuddhe NA, Khan AA, Sahu A, Singhal A, Getnet D, Raju R, Chatterjee A, Gowda H, Keshava Prasad TS, Shankar S, Pandey A. A knowledgebase resource for interleukin-17 family mediated signaling. J Cell Commun Signal 2015; 9:291-6. [PMID: 26077014 DOI: 10.1007/s12079-015-0297-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Accepted: 05/26/2015] [Indexed: 01/13/2023] Open
Abstract
Interleukin-17 (IL-17) belongs to a relatively new family of cytokines that has garnered attention as the signature cytokine of Th17 cells. This cytokine family consists of 6 ligands, which bind to 5 receptor subtypes and induce downstream signaling. Although the receptors are ubiquitously expressed, cellular responses to ligands vary across tissues. The cytokine family is associated with various autoimmune disorders including rheumatoid arthritis, multiple sclerosis, inflammatory bowel disease, asthma and psoriasis in addition to being implicated in the pathogenesis of cancer. In addition, this family plays a role in host defense against bacterial and fungal infections. The signaling mechanisms of the IL-17 family of proinflammatory cytokines are not well explored. In this study, we present a resource of literature-annotated reactions induced by IL-17. The reactions are catalogued under 5 categories, namely; molecular association, catalysis, transport, activation/inhibition and gene regulation. A total of 93 molecules and 122 reactions have been annotated. The IL-17 pathway is freely available through NetPath, a resource of signal transduction pathways previously developed by our group.
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Affiliation(s)
- Jyoti Sharma
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, India. .,Manipal University, Madhav Nagar, Manipal, 576104, India.
| | - Lavanya Balakrishnan
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, India.
| | - Keshava K Datta
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, India. .,School of Biotechnology, KIIT University, Bhubaneswar, 751024, India.
| | | | - Aafaque Ahmad Khan
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, India. .,School of Biotechnology, KIIT University, Bhubaneswar, 751024, India.
| | - Apeksha Sahu
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, India. .,Bioinformatics Centre, School of Life Sciences, Pondicherry University, Puducherry, 605014, India.
| | - Anish Singhal
- Manipal University, Madhav Nagar, Manipal, 576104, India. .,Kasturba Medical College, Mangalore, 575001, India.
| | - Derese Getnet
- McKusick-Nathans Institute of Genetic Medicine and Departments of Biological Chemistry, Oncology and Pathology, Johns Hopkins University School of Medicine, 733 N. Broadway, Baltimore, MD, 21205, USA.
| | - Rajesh Raju
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, India. .,Computational Biology Group, Cancer Research Program-9, Rajiv Gandhi Centre for Biotechnology, Poojappura, Kerala, 695014, India.
| | - Aditi Chatterjee
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, India. .,Manipal University, Madhav Nagar, Manipal, 576104, India.
| | - Harsha Gowda
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, India. .,School of Biotechnology, KIIT University, Bhubaneswar, 751024, India.
| | - T S Keshava Prasad
- Institute of Bioinformatics, International Technology Park, Bangalore, 560066, India. .,Manipal University, Madhav Nagar, Manipal, 576104, India.
| | | | - Akhilesh Pandey
- McKusick-Nathans Institute of Genetic Medicine and Departments of Biological Chemistry, Oncology and Pathology, Johns Hopkins University School of Medicine, 733 N. Broadway, Baltimore, MD, 21205, USA.
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