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Yamamoto Y, Fujihara C, Nantakeeratipat T, Matsumoto M, Noguchi T, Kitagawa M, Yamada S, Takata T, Kitaura H, Murakami S. CD40-CD40 ligand interaction between periodontal ligament cells and cementoblasts enhances periodontal tissue remodeling in response to mechanical stress. J Periodontal Res 2023; 58:1261-1271. [PMID: 37723604 DOI: 10.1111/jre.13182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 08/10/2023] [Accepted: 08/30/2023] [Indexed: 09/20/2023]
Abstract
OBJECTIVE We analyzed the localization and expression of Cluster of differentiation 40 ligand (CD40L) in murine periodontal tissue applied with the orthodontic force to determine the CD40L-expressing cells under mechanical stress. Furthermore, we investigated whether CD40-CD40L interaction played an important role in transducing mechanical stress between periodontal ligament (PDL) cells and cementoblasts and remodeling the periodontal tissue for its homeostasis. BACKGROUND PDL is a complex tissue that contains heterogeneous cell populations and is constantly exposed to mechanical stress, such as occlusal force. CD40 is expressed on PDL cells and upregulated under mechanical stress. However, whether its ligand, CD40L, is upregulated in periodontal tissue in response to mechanical stress, and which functions the CD40-CD40L interaction induces by converting the force to biological functions between the cement-PDL complex, are not fully understood. METHODS The orthodontic treatment was applied to the first molars at the left side of the upper maxillae of mice using a nickel-titanium closed-coil spring. Immunohistochemistry was performed to analyze the localization of CD40L in the periodontal tissue under the orthodontic force. Human cementoblasts (HCEM) and human PDL cells were stretched in vitro and analyzed CD40L and CD40 protein expression using flow cytometry. A GFP-expressing CD40L plasmid vector was transfected into HCEM (CD40L-HCEM). CD40L-HCEM was co-cultured with human PDL cells with higher alkaline phosphatase (ALP) activity (hPDS) or lower ALP (hPDF). After co-culturing, cell viability and proliferation were analyzed by propidium iodide (PI) staining and bromodeoxyuridine (BrdU) assay. Furthermore, the mRNA expression of cytodifferentiation- and extracellular matrix (ECM)-related genes was analyzed by real-time PCR. RESULTS Immunohistochemistry demonstrated that CD40L was induced on the cells present at the cementum surface in periodontal tissue at the tension side under the orthodontic treatment in mice. The flow cytometry showed that the in vitro-stretching force upregulated CD40L protein expression on HCEM and CD40 protein expression on human PDL cells. Co-culturing CD40L-HCEM with hPDF enhanced cell viability and proliferation but did not alter the gene expression related to cytodifferentiation and ECM. In contrast, co-culturing CD40L-HCEM with hPDS upregulated cytodifferentiation- and ECM-related genes but did not affect cell viability and proliferation. CONCLUSION We revealed that in response to a stretching force, CD40L expression was induced on cementoblasts. CD40L on cementoblasts may interact with CD40 on heterogeneous PDL cells at the necessary time and location, inducing cell viability, proliferation, and cytodifferentiation, maintaining periodontal tissue remodeling and homeostasis.
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Affiliation(s)
- Yu Yamamoto
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Chiharu Fujihara
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Teerachate Nantakeeratipat
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Masahiro Matsumoto
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Takahiro Noguchi
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Masae Kitagawa
- Department of Oral and Maxillofacial Pathobiology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Satoru Yamada
- Department of Periodontology and Endodontology, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | | | - Hideki Kitaura
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Shinya Murakami
- Department of Periodontology and Regenerative Dentistry, Osaka University Graduate School of Dentistry, Osaka, Japan
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Plecitá-Hlavatá L, Brázdová A, Křivonosková M, Hu CJ, Phang T, Tauber J, Li M, Zhang H, Hoetzenecker K, Crnkovic S, Kwapiszewska G, Stenmark KR. Microenvironmental regulation of T-cells in pulmonary hypertension. Front Immunol 2023; 14:1223122. [PMID: 37497214 PMCID: PMC10368362 DOI: 10.3389/fimmu.2023.1223122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 06/15/2023] [Indexed: 07/28/2023] Open
Abstract
Introduction In pulmonary hypertension (PH), pulmonary arterial remodeling is often accompanied by perivascular inflammation. The inflammation is characterized by the accumulation of activated macrophages and lymphocytes within the adventitial stroma, which is comprised primarily of fibroblasts. The well-known ability of fibroblasts to secrete interleukins and chemokines has previously been implicated as contributing to this tissue-specific inflammation in PH vessels. We were interested if pulmonary fibroblasts from PH arteries contribute to microenvironmental changes that could activate and polarize T-cells in PH. Methods We used single-cell RNA sequencing of intact bovine distal pulmonary arteries (dPAs) from PH and control animals and flow cytometry, mRNA expression analysis, and respirometry analysis of blood-derived bovine/human T-cells exposed to conditioned media obtained from pulmonary fibroblasts of PH/control animals and IPAH/control patients (CM-(h)PH Fibs vs CM-(h)CO Fibs). Results Single-cell RNA sequencing of intact bovine dPAs from PH and control animals revealed a pro-inflammatory phenotype of CD4+ T-cells and simultaneous absence of regulatory T-cells (FoxP3+ Tregs). By exposing T-cells to CM-(h)PH Fibs we stimulated their proinflammatory differentiation documented by increased IFNγ and decreased IL4, IL10, and TGFβ mRNA and protein expression. Interestingly, we demonstrated a reduction in the number of suppressive T-cell subsets, i.e., human/bovine Tregs and bovine γδ T-cells treated with CM-(h)PH-Fibs. We also noted inhibition of anti-inflammatory cytokine expression (IL10, TGFβ, IL4). Pro-inflammatory polarization of bovine T-cells exposed to CM-PH Fibs correlated with metabolic shift to glycolysis and lactate production with increased prooxidant intracellular status as well as increased proliferation of T-cells. To determine whether metabolic reprogramming of PH-Fibs was directly contributing to the effects of PH-Fibs conditioned media on T-cell polarization, we treated PH-Fibs with the HDAC inhibitor SAHA, which was previously shown to normalize metabolic status and examined the effects of the conditioned media. We observed significant suppression of inflammatory polarization associated with decreased T-cell proliferation and recovery of mitochondrial energy metabolism. Conclusion This study demonstrates how the pulmonary fibroblast-derived microenvironment can activate and differentiate T-cells to trigger local inflammation, which is part of the vascular wall remodeling process in PH.
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Affiliation(s)
- Lydie Plecitá-Hlavatá
- Laboratory of Pancreatic Islet Research, Institute of Physiology, Czech Academy of Sciences, Prague, Czechia
| | - Andrea Brázdová
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Prague, Czechia
- Department of Genetics and Microbiology, Faculty of Science, Charles University, Prague, Czechia
| | - Monika Křivonosková
- Laboratory of Pancreatic Islet Research, Institute of Physiology, Czech Academy of Sciences, Prague, Czechia
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czechia
| | - Cheng-Jun Hu
- Department of Craniofacial Biology School of Dental Medicine, University of Colorado, Aurora, CO, United States
- Developmental Lung Biology and Cardiovascular Pulmonary Research Laboratories, Departments of Pediatrics and Medicine, University of Colorado, Aurora, CO, United States
| | - Tzu Phang
- Developmental Lung Biology and Cardiovascular Pulmonary Research Laboratories, Departments of Pediatrics and Medicine, University of Colorado, Aurora, CO, United States
| | - Jan Tauber
- Laboratory of Mitochondrial Physiology, Institute of Physiology, Czech Academy of Sciences, Prague, Czechia
| | - Min Li
- Developmental Lung Biology and Cardiovascular Pulmonary Research Laboratories, Departments of Pediatrics and Medicine, University of Colorado, Aurora, CO, United States
| | - Hui Zhang
- Developmental Lung Biology and Cardiovascular Pulmonary Research Laboratories, Departments of Pediatrics and Medicine, University of Colorado, Aurora, CO, United States
| | | | - Slaven Crnkovic
- Otto Loewi Research Center, Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Institute for Lung Health, Member of the German Lung Center, Giessen, Germany
| | - Grazyna Kwapiszewska
- Otto Loewi Research Center, Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Institute for Lung Health, Member of the German Lung Center, Giessen, Germany
| | - Kurt R. Stenmark
- Developmental Lung Biology and Cardiovascular Pulmonary Research Laboratories, Departments of Pediatrics and Medicine, University of Colorado, Aurora, CO, United States
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Thiam F, Yazeedi SA, Feng K, Phogat S, Demirsoy E, Brussow J, Abokor FA, Osei ET. Understanding fibroblast-immune cell interactions via co-culture models and their role in asthma pathogenesis. Front Immunol 2023; 14:1128023. [PMID: 36911735 PMCID: PMC9996007 DOI: 10.3389/fimmu.2023.1128023] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 02/10/2023] [Indexed: 02/25/2023] Open
Abstract
Asthma is a chronic lung disease involving airway inflammation and fibrosis. Fibroblasts are the main effector cells important for lung tissue production which becomes abnormal in asthmatics and is one of the main contributors to airway fibrosis. Although fibroblasts were traditionally viewed solely as structural cells, they have been discovered to be highly active, and involved in lung inflammatory and fibrotic processes in asthma. In line with this, using 2D and 3D in vitro co-culture models, a complex interaction between lung fibroblasts and various immune cells important for the pathogenesis of asthma have been recently uncovered. Hence, in this review, we provide the first-ever summary of various studies that used 2D and 3D in vitro co-culture models to assess the nature of aberrant immune cell-fibroblast interactions and their contributions to chronic inflammation and fibrotic mechanisms in asthma pathogenesis.
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Affiliation(s)
- F Thiam
- Department of Biology, University of British Columbia, Kelowna, BC, Canada
| | - S Al Yazeedi
- Department of Biology, University of British Columbia, Kelowna, BC, Canada
| | - K Feng
- Department of Biology, University of British Columbia, Kelowna, BC, Canada
| | - S Phogat
- Department of Biology, University of British Columbia, Kelowna, BC, Canada
| | - E Demirsoy
- Department of Biology, University of British Columbia, Kelowna, BC, Canada
| | - J Brussow
- Department of Biology, University of British Columbia, Kelowna, BC, Canada
| | - F A Abokor
- Department of Biology, University of British Columbia, Kelowna, BC, Canada
| | - E T Osei
- Department of Biology, University of British Columbia, Kelowna, BC, Canada.,Centre for Heart Lung Innovation, St. Paul's Hospital, Vancouver, BC, Canada
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4
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Strohm L, Ubbens H, Münzel T, Daiber A, Daub S. Role of CD40(L)-TRAF signaling in inflammation and resolution-a double-edged sword. Front Pharmacol 2022; 13:995061. [PMID: 36267276 PMCID: PMC9577411 DOI: 10.3389/fphar.2022.995061] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/12/2022] [Indexed: 11/26/2022] Open
Abstract
Cardiovascular diseases (CVD) and cardiovascular risk factors are the leading cause of death in the world today. According to the Global Burden of Disease Study, hypertension together with ischemic heart and cerebrovascular diseases is responsible for approximately 40% of all deaths worldwide. The major pathomechanism underlying almost all CVD is atherosclerosis, an inflammatory disorder of the vascular system. Recent large-scale clinical trials demonstrated that inflammation itself is an independent cardiovascular risk factor. Specific anti-inflammatory therapy could decrease cardiovascular mortality in patients with atherosclerosis (increased markers of inflammation). Inflammation, however, can also be beneficial by conferring so-called resolution, a process that contributes to clearing damaged tissue from cell debris upon cell death and thereby represents an essential step for recovery from, e.g., ischemia/reperfusion damage. Based on these considerations, the present review highlights features of the detrimental inflammatory reactions as well as of the beneficial process of immune cell-triggered resolution. In this context, we discuss the polarization of macrophages to either M1 or M2 phenotype and critically assess the role of the CD40L-CD40-TRAF signaling cascade in atherosclerosis and its potential link to resolution. As CD40L can bind to different cellular receptors, it can initiate a broad range of inflammatory processes that may be detrimental or beneficial. Likewise, the signaling of CD40L downstream of CD40 is mainly determined by activation of TRAF1-6 pathways that again can be detrimental or beneficial. Accordingly, CD40(L)-based therapies may be Janus-faced and require sophisticated fine-tuning in order to promote cardioprotection.
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Affiliation(s)
- Lea Strohm
- Department of Cardiology, Cardiology I—Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Henning Ubbens
- Department of Cardiology, Cardiology I—Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Thomas Münzel
- Department of Cardiology, Cardiology I—Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Andreas Daiber
- Department of Cardiology, Cardiology I—Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Steffen Daub
- Department of Cardiology, Cardiology I—Laboratory of Molecular Cardiology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
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5
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Mauer J, Kuckhahn A, Ramsperger-Gleixner M, Ensminger SM, Distler JH, Weyand M, Heim C. Nintedanib reduces alloimmune-induced chronic airway changes in murine tracheal allografts. Transpl Immunol 2022; 73:101608. [DOI: 10.1016/j.trim.2022.101608] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/12/2022] [Accepted: 04/23/2022] [Indexed: 01/01/2023]
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Novel Functions of Integrins as Receptors of CD154: Their Role in Inflammation and Apoptosis. Cells 2022; 11:cells11111747. [PMID: 35681441 PMCID: PMC9179867 DOI: 10.3390/cells11111747] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/18/2022] [Accepted: 05/24/2022] [Indexed: 12/16/2022] Open
Abstract
CD154, an inflammatory mediator also known as CD40 ligand, has been identified as a novel binding partner for some members of the integrin family. The αIIbβ3, specifically expressed on platelets, was the first integrin to be described as a receptor for CD154 after CD40. Its interaction with soluble CD154 (sCD154) highly contributes to thrombus formation and stability. Identifying αIIbβ3 opened the door for investigating other integrins as partners of CD154. The αMβ2 expressed on myeloid cells was shown capable of binding CD154 and contributing as such to cell activation, adhesion, and release of proinflammatory mediators. In parallel, α5β1 communicates with sCD154, inducing pro-inflammatory responses. Additional pathogenic effects involving apoptosis-preventing functions were exhibited by the CD154–α5β1 dyad in T cells, conferring a role for such interaction in the survival of malignant cells, as well as the persistence of autoreactive T cells. More recently, CD154 receptors integrated two new integrin members, αvβ3 and α4β1, with little known as to their biological significance in this context. This article provides an overview of the novel role of integrins as receptors of CD154 and as critical players in pro-inflammatory and apoptotic responses.
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7
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Lai Y, Wei X, Ye T, Hang L, Mou L, Su J. Interrelation Between Fibroblasts and T Cells in Fibrosing Interstitial Lung Diseases. Front Immunol 2021; 12:747335. [PMID: 34804029 PMCID: PMC8602099 DOI: 10.3389/fimmu.2021.747335] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 10/19/2021] [Indexed: 11/17/2022] Open
Abstract
Interstitial lung diseases (ILDs) are a heterogeneous group of diseases characterized by varying degrees of inflammation and fibrosis of the pulmonary interstitium. The interrelations between multiple immune cells and stromal cells participate in the pathogenesis of ILDs. While fibroblasts contribute to the development of ILDs through secreting extracellular matrix and proinflammatory cytokines upon activation, T cells are major mediators of adaptive immunity, as well as inflammation and autoimmune tissue destruction in the lung of ILDs patients. Fibroblasts play important roles in modulating T cell recruitment, differentiation and function and conversely, T cells can balance fibrotic sequelae with protective immunity in the lung. A more precise understanding of the interrelation between fibroblasts and T cells will enable a better future therapeutic design by targeting this interrelationship. Here we highlight recent work on the interactions between fibroblasts and T cells in ILDs, and consider the implications of these interactions in the future development of therapies for ILDs.
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Affiliation(s)
- Yunxin Lai
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xinru Wei
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Ting Ye
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Lilin Hang
- Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Ling Mou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jin Su
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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8
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Bachsais M, Salti S, Zaoui K, Hassan GS, Aoudjit F, Mourad W. CD154 inhibits death of T cells via a Cis interaction with the α5β1 integrin. PLoS One 2020; 15:e0235753. [PMID: 32745080 PMCID: PMC7398495 DOI: 10.1371/journal.pone.0235753] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 06/22/2020] [Indexed: 12/30/2022] Open
Abstract
CD154 plays a major role in the pathogenesis of several autoimmune and inflammatory diseases. In addition to CD40, soluble CD154 (sCD154) binds to other receptors namely αIIbβ3, αMβ2, α5β1 and αvβ3 integrins. We have previously reported that binding of sCD154 to α5β1 integrin expressed on several human T cell lines is capable of inhibiting Fas-induced cell death. In the current study, we show that such effect of the sCD154/α5β1 interaction is not restricted to the cell death response induced by Fas but could also be exhibited toward other death signals such as TRAIL and TNF- α. We also demonstrate that sCD154 is capable of inhibiting Fas-mediated death of human activated T cells, more importantly of CD4+ than CD8+ T ones. Our data also show that membrane-bound CD154 and α5β1 integrin expressed on the surface of distinct cells failed to influence cell death responses. However, when membrane-bound CD154 and α5β1 are expressed on the surface of same cell, their interaction was capable of down regulating cell death. CD154 was shown to co-localize with the α5β1 integrin on the surface of these cells. These data strongly suggest a cis-type of interaction between CD154 and α5β1 when both are expressed on the same cell surface, rather than a trans-interaction which usually implicates the ligand and its receptor each expressed on the surface of a distinct cell. Taken together, these findings add to the list of roles through which CD154 is contributing to the pathogenesis of autoimmune-inflammatory diseases, i.e. by protecting T cells from death and enhancing their survival.
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Affiliation(s)
- Meriem Bachsais
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CR-CHUM), Montréal, Québec, Canada
| | - Suzanne Salti
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CR-CHUM), Montréal, Québec, Canada
| | - Kossay Zaoui
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CR-CHUM), Montréal, Québec, Canada
| | - Ghada S. Hassan
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CR-CHUM), Montréal, Québec, Canada
| | - Fawzi Aoudjit
- Centre de recherche du CHU de Québec-Université Laval, Québec, Québec, Canada
| | - Walid Mourad
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CR-CHUM), Montréal, Québec, Canada
- * E-mail:
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Bosmans LA, Bosch L, Kusters PJH, Lutgens E, Seijkens TTP. The CD40-CD40L Dyad as Immunotherapeutic Target in Cardiovascular Disease. J Cardiovasc Transl Res 2020; 14:13-22. [PMID: 32222950 PMCID: PMC7892683 DOI: 10.1007/s12265-020-09994-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 03/18/2020] [Indexed: 12/14/2022]
Abstract
Chronic inflammation drives the development of atherosclerosis. Despite optimal treatment of classical cardiovascular risk factors, a substantial portion of the population has elevated inflammatory biomarkers and develops atherosclerosis-related complications, indicating that a residual inflammatory risk drives atherosclerotic cardiovascular disease in these patients. Additional anti-inflammatory therapeutic strategies are therefore required. The co-stimulatory molecule CD40 and its ligand CD40L (CD154) have a central role in the regulation of the inflammatory response during the development of atherosclerosis by modulating the interaction between immune cells and between immune cells and non-immune cells. In this review, we discuss the role of the CD40-CD40L dyad in atherosclerosis, and we discuss recent studies on the therapeutic potential of novel CD40-CD40L targeting strategies in cardiovascular medicine.
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Affiliation(s)
- Laura A Bosmans
- Department of Medical Biochemistry, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers, University of Amsterdam, Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands
| | - Lena Bosch
- Experimental Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Pascal J H Kusters
- Department of Medical Biochemistry, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers, University of Amsterdam, Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands.,Department of Pathology, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
| | - Esther Lutgens
- Department of Medical Biochemistry, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers, University of Amsterdam, Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands.,Institute for Cardiovascular Prevention (IPEK), Ludwig Maximilian's University, Munich, Germany.,German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Munich, Germany
| | - Tom T P Seijkens
- Department of Medical Biochemistry, Amsterdam Cardiovascular Sciences (ACS), Amsterdam University Medical Centers, University of Amsterdam, Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands.
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10
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Sachdeva K, Do DC, Zhang Y, Hu X, Chen J, Gao P. Environmental Exposures and Asthma Development: Autophagy, Mitophagy, and Cellular Senescence. Front Immunol 2019; 10:2787. [PMID: 31849968 PMCID: PMC6896909 DOI: 10.3389/fimmu.2019.02787] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 11/13/2019] [Indexed: 12/11/2022] Open
Abstract
Environmental pollutants and allergens induce oxidative stress and mitochondrial dysfunction, leading to key features of allergic asthma. Dysregulations in autophagy, mitophagy, and cellular senescence have been associated with environmental pollutant and allergen-induced oxidative stress, mitochondrial dysfunction, secretion of multiple inflammatory proteins, and subsequently development of asthma. Particularly, particulate matter 2.5 (PM2.5) has been reported to induce autophagy in the bronchial epithelial cells through activation of AMP-activated protein kinase (AMPK), drive mitophagy through activating PTEN-induced kinase 1(PINK1)/Parkin pathway, and induce cell cycle arrest and senescence. Intriguingly, allergens, including ovalbumin (OVA), Alternaria alternata, and cockroach allergen, have also been shown to induce autophagy through activation of different signaling pathways. Additionally, mitochondrial dysfunction can induce cell senescence due to excessive ROS production, which affects airway diseases. Although autophagy and senescence share similar properties, recent studies suggest that autophagy can either accelerate the development of senescence or prevent senescence. Thus, in this review, we evaluated the literature regarding the basic cellular processes, including autophagy, mitophagy, and cellular senescence, explored their molecular mechanisms in the regulation of the initiation and downstream signaling. Especially, we highlighted their involvement in environmental pollutant/allergen-induced major phenotypic changes of asthma such as airway inflammation and remodeling and reviewed novel and critical research areas for future studies. Ultimately, understanding the regulatory mechanisms of autophagy, mitophagy, and cellular senescence may allow for the development of new therapeutic targets for asthma.
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Affiliation(s)
- Karan Sachdeva
- Johns Hopkins Asthma & Allergy Center, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Danh C. Do
- Johns Hopkins Asthma & Allergy Center, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Yan Zhang
- Johns Hopkins Asthma & Allergy Center, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Xinyue Hu
- Johns Hopkins Asthma & Allergy Center, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Jingsi Chen
- Johns Hopkins Asthma & Allergy Center, Johns Hopkins University School of Medicine, Baltimore, MD, United States
- Department of Dermatology, Children's Hospital, Chongqing Medical University, Chongqing, China
| | - Peisong Gao
- Johns Hopkins Asthma & Allergy Center, Johns Hopkins University School of Medicine, Baltimore, MD, United States
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11
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Michel NA, Zirlik A, Wolf D. CD40L and Its Receptors in Atherothrombosis-An Update. Front Cardiovasc Med 2017; 4:40. [PMID: 28676852 PMCID: PMC5477003 DOI: 10.3389/fcvm.2017.00040] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 05/29/2017] [Indexed: 12/30/2022] Open
Abstract
CD40L (CD154), a member of the tumor necrosis factor superfamily, is a co-stimulatory molecule that was first discovered on activated T cells. Beyond its fundamental role in adaptive immunity-ligation of CD40L to its receptor CD40 is a prerequisite for B cell activation and antibody production-evidence from more than two decades has expanded our understanding of CD40L as a powerful modulator of inflammatory pathways. Although inhibition of CD40L with neutralizing antibodies has induced life-threatening side effects in clinical trials, the discovery of cell-specific effects and novel receptors with distinct functional consequences has opened a new path for therapies that specifically target detrimental properties of CD40L. Here, we carefully evaluate the signaling network of CD40L by gene enrichment analysis and its cell-specific expression, and thoroughly discuss its role in cardiovascular pathologies with a specific emphasis on atherosclerotic and thrombotic disease.
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Affiliation(s)
- Nathaly Anto Michel
- Faculty of Medicine, Department of Cardiology and Angiology I, Heart Center Freiburg, University of Freiburg, Freiburg, Germany
| | - Andreas Zirlik
- Faculty of Medicine, Department of Cardiology and Angiology I, Heart Center Freiburg, University of Freiburg, Freiburg, Germany
| | - Dennis Wolf
- Faculty of Medicine, Department of Cardiology and Angiology I, Heart Center Freiburg, University of Freiburg, Freiburg, Germany
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Chabot D, Tremblay T, Paré I, Bazin R, Loubaki L. Transient warming events occurring after freezing impairs umbilical cord-derived mesenchymal stromal cells functionality. Cytotherapy 2017; 19:978-989. [PMID: 28606762 DOI: 10.1016/j.jcyt.2017.04.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 03/28/2017] [Accepted: 04/27/2017] [Indexed: 12/29/2022]
Abstract
BACKGROUND Mesenchymal stromal cells (MSCs) have shown promising results for the treatment of refractory acute graft-versus-host disease. While safety of MSC infusion has been demonstrated, the use of cryopreserved MSCs in clinical trials has raised concerns regarding the retention of their functional activity. This has led to the recommendation by experts in the field to use freshly harvested MSCs, even though this approach is much less practical from a logistic point of view. In the present study, we revisited the impact of cryopreservation on MSC functionality and addressed the possibility that warming events on frozen cells rather than cryopreservation per se could impact MSC functionality. METHODS Following controlled-rate freezing to -130°C, umbilical cord-derived MSCs were left at room temperature (RT) for 2-10 min or on dry ice for 10 min, before being transferred into liquid nitrogen (LqN2). MSCs of each group were subsequently tested (viability, functionality and cellular damage) and compared with their freshly harvested counterparts. RESULTS We demonstrated that freshly harvested MSCs as well as cryopreserved MSCs that were left on dry ice following step-down freezing have comparable viability, functionality and integrity. In contrast, cryopreserved MSCs that were left at RT before being transferred into LqN2 were functionally impaired and showed cellular damage upon thawing even though they exhibited high viability. DISCUSSION Warming events after freezing and not cryopreservation per se significantly impair MSC functionality, indicating that cryopreserved MSCs can be an advantageous alternative to freshly harvested cells for therapeutic purposes.
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Affiliation(s)
- Dominique Chabot
- Department of Research and Development, Héma-Québec, Québec City, QC, Canada; Department of Biochemistry, Microbiology and Bioinformatics, Laval University, Québec City, QC, Canada
| | - Tony Tremblay
- Department of Research and Development, Héma-Québec, Québec City, QC, Canada
| | - Isabelle Paré
- Department of Research and Development, Héma-Québec, Québec City, QC, Canada
| | - Renée Bazin
- Department of Research and Development, Héma-Québec, Québec City, QC, Canada; Department of Biochemistry, Microbiology and Bioinformatics, Laval University, Québec City, QC, Canada
| | - Lionel Loubaki
- Department of Research and Development, Héma-Québec, Québec City, QC, Canada; Department of Biochemistry, Microbiology and Bioinformatics, Laval University, Québec City, QC, Canada.
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13
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Hadj Salem I, Dubé J, Boulet LP, Chakir J. Telomere shortening correlates with accelerated replicative senescence of bronchial fibroblasts in asthma. Clin Exp Allergy 2016; 45:1713-5. [PMID: 26252159 DOI: 10.1111/cea.12611] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- I Hadj Salem
- Centre de recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Canada
| | - J Dubé
- CRC-CHUS et Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, Québec, Canada
| | - L-P Boulet
- Centre de recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Canada
| | - J Chakir
- Centre de recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Canada
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Bachsais M, Naddaf N, Yacoub D, Salti S, Alaaeddine N, Aoudjit F, Hassan GS, Mourad W. The Interaction of CD154 with the α5β1 Integrin Inhibits Fas-Induced T Cell Death. PLoS One 2016; 11:e0158987. [PMID: 27391025 PMCID: PMC4938623 DOI: 10.1371/journal.pone.0158987] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 06/26/2016] [Indexed: 11/19/2022] Open
Abstract
CD154, a critical regulator of the immune response, is usually associated with chronic inflammatory, autoimmune diseases as well as malignant disorders. In addition to its classical receptor CD40, CD154 is capable of binding other receptors, members of the integrin family, the αIIbβ3, αMβ2 and α5β1. Given the role attributed to integrins and particularly the β1 integrins in inhibiting apoptotic events in normal as well as malignant T cells, we were highly interested in investigating the role of the CD154/α5β1 interaction in promoting survival of malignant T cells contributing as such to tumor development and/or propagation. To support our hypothesis, we first show that soluble CD154 binds to the T-cell acute lymphoblastic leukemia cell line, Jurkat E6.1 in a α5β1-dependent manner. Binding of soluble CD154 to α5β1 integrin of Jurkat cells leads to the activation of key survival proteins, including the p38 and ERK1/2 mitogen-activated protein kinases (MAPKs), phosphoinositide 3 kinase (PI-3K), and Akt. Interestingly, soluble CD154 significantly inhibits Fas-mediated apoptosis in T cell leukemia-lymphoma cell lines, Jurkat E6.1 and HUT78 cells, an important hallmark of T cell survival during malignancy progression. These anti-apoptotic effects were mainly mediated by the activation of the PI-3K/Akt pathway but also involved the p38 and the ERK1/2 MAPKs cascades. Our data also demonstrated that the CD154-triggered inhibition of the Fas-mediated cell death response was dependent on a suppression of caspase-8 cleavage, but independent of de novo protein synthesis or alterations in Fas expression on cell surface. Together, our results highlight the impact of the CD154/α5β1 interaction in T cell function/survival and identify novel targets for the treatment of malignant disorders, particularly of T cell origin.
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Affiliation(s)
- Meriem Bachsais
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre Hospitalier de l’Université de Montréal, 900 rue Saint-Denis, Tour Viger, Room 10-482, Montréal, QC, Canada
| | - Nadim Naddaf
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre Hospitalier de l’Université de Montréal, 900 rue Saint-Denis, Tour Viger, Room 10-482, Montréal, QC, Canada
| | - Daniel Yacoub
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre Hospitalier de l’Université de Montréal, 900 rue Saint-Denis, Tour Viger, Room 10-482, Montréal, QC, Canada
| | - Suzanne Salti
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre Hospitalier de l’Université de Montréal, 900 rue Saint-Denis, Tour Viger, Room 10-482, Montréal, QC, Canada
| | - Nada Alaaeddine
- Department of Pathology, 11-5076, Faculty of Medicine, St Joseph University, Beirut, Lebanon
| | - Fawzi Aoudjit
- Centre de recherche en immunologie et rhumatologie, CHUL, 2705, Boul Laurier, QC, Canada
| | - Ghada S. Hassan
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre Hospitalier de l’Université de Montréal, 900 rue Saint-Denis, Tour Viger, Room 10-482, Montréal, QC, Canada
| | - Walid Mourad
- Laboratoire d’Immunologie Cellulaire et Moléculaire, Centre Hospitalier de l’Université de Montréal, 900 rue Saint-Denis, Tour Viger, Room 10-482, Montréal, QC, Canada
- * E-mail:
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15
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Hassan GS, Stagg J, Mourad W. Role of CD154 in cancer pathogenesis and immunotherapy. Cancer Treat Rev 2015; 41:431-40. [PMID: 25843228 DOI: 10.1016/j.ctrv.2015.03.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 03/19/2015] [Accepted: 03/20/2015] [Indexed: 01/11/2023]
Abstract
Many factors and molecules have been investigated as potential players in the pathogenesis or immunosurveillance of cancer. Among these, CD154 has been recognized as a co-stimulatory molecule with high potential for treating cancer, in addition to its contribution in the development of the disease. CD154 was initially described for its pivotal role in T cell-dependent humoral responses via an interaction with its classical receptor, CD40. Subsequent studies showed that CD154 is also implicated in cell-mediated immunity and inflammation via an interaction with CD40 alone or in combination with newly identified receptors, members of the integrin family, leading to the development of chronic inflammatory and autoimmune diseases. In the current article, we present an overview of the role of CD154 as a potential etiological factor in tumors inducing proliferation of malignant cells, their rescue from apoptosis and their invasiveness. In addition, this review describes the immuno-regulatory functions of CD154 against cancer reflected by its stimulation of antigen-presenting cells and the subsequent activation of effector cells, its enhancement of malignant cells' immunogenicity, its modulation of immune settings around tumors, and its initiation of proliferation inhibiting effects in malignant cells. In vitro as well as in vivo studies are outlined and a particular attention is given to clinical studies and progress reached at this point. Findings reviewed herein will improve our knowledge of the role of the CD154 system in cancers from causative to immunotherapeutic functions, paving the way for the identification of new targets for prevention and/or treatment of malignant disorders.
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Affiliation(s)
- Ghada S Hassan
- Centre de Recherche-Centre Hospitalier de l'Université de Montréal (CR-CHUM), Montréal, Quebec, Canada
| | - John Stagg
- Centre de Recherche-Centre Hospitalier de l'Université de Montréal (CR-CHUM), Montréal, Quebec, Canada
| | - Walid Mourad
- Centre de Recherche-Centre Hospitalier de l'Université de Montréal (CR-CHUM), Montréal, Quebec, Canada.
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Yang X, Zhu J, Tung CY, Gardiner G, Wang Q, Chang HC, Zhou B. Lunasin alleviates allergic airway inflammation while increases antigen-specific Tregs. PLoS One 2015; 10:e0115330. [PMID: 25646897 PMCID: PMC4315393 DOI: 10.1371/journal.pone.0115330] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Accepted: 11/21/2014] [Indexed: 12/22/2022] Open
Abstract
Lunasin is a naturally occurring peptide isolated from soybeans and has been explored in cancer treatment. Lunasin inhibits NF-κB activation and thus pro-inflammatory cytokine and mediator production in macrophages. In this study we demonstrate that lunasin can effectively suppress allergic airway inflammation in two murine models of asthma. In an OVA+Alum sensitization model, intranasal lunasin treatment at the time of OVA challenges significantly reduced total cells counts in bronchoalveolar lavage (BAL) fluid and eosinophilia, peribronchiolar inflammatory infiltration, goblet cell metaplasia and airway IL-4 production. In an OVA+LPS intranasal sensitization model, lunasin treatment either at the time of sensitization or challenge has similar effects in suppress allergic airway inflammation including significantly reduced total cell and eosinophil counts in BAL fluid, inflammatory gene Fizz1 expression in the lung, and IL-4 production by OVA re-stimulated cells from mediastinal lymph nodes. We further show that intranasal instillation of OVA+lunasin significantly increases OVA-specific regulatory T cell (Treg) accumulation in the lung comparing to OVA only treatment. Taken together, our results suggest lunasin as an anti-inflammatory agent can be potentially used in asthma therapy or as an adjuvant to enhance the induction of antigen-specific Tregs and thus boost the efficacy of allergy immunotherapy.
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Affiliation(s)
- Xiaowei Yang
- Department of Pediatrics, HB Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, 46202, United States of America
- Department of Veterinary Medicine, Southwest University at Rongchang, Rongchang, China
| | - Jingjing Zhu
- Department of Pediatrics, HB Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, 46202, United States of America
| | - Chun-Yu Tung
- Department of Biology, School of Science, Indiana University Purdue University at Indianapolis, Indianapolis, IN, 46202, United States of America
| | - Gail Gardiner
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN, 46202, United States of America
| | - Qun Wang
- Department of Pediatrics, HB Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, 46202, United States of America
| | - Hua-Chen Chang
- Department of Biology, School of Science, Indiana University Purdue University at Indianapolis, Indianapolis, IN, 46202, United States of America
- * E-mail: (HCC); (BZ)
| | - Baohua Zhou
- Department of Pediatrics, HB Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, 46202, United States of America
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN, 46202, United States of America
- * E-mail: (HCC); (BZ)
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17
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Eom S, Kim Y, Kim M, Park D, Lee H, Lee YS, Choe J, Kim YM, Jeoung D. Transglutaminase II/microRNA-218/-181a loop regulates positive feedback relationship between allergic inflammation and tumor metastasis. J Biol Chem 2014; 289:29483-505. [PMID: 25202021 DOI: 10.1074/jbc.m114.603480] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The molecular mechanism of transglutaminase II (TGaseII)-mediated allergic inflammation remains largely unknown. TGaseII, induced by antigen stimulation, showed an interaction and co-localization with FcϵRI. TGaseII was necessary for in vivo allergic inflammation, such as triphasic cutaneous reaction, passive cutaneous anaphylaxis, and passive systemic anaphylaxis. TGaseII was necessary for the enhanced metastatic potential of B16F1 melanoma cells by passive systemic anaphylaxis. TGaseII was shown to be a secreted protein. Recombinant TGaseII protein increased the histamine release and β-hexosaminidase activity, and enhanced the metastatic potential of B16F1 mouse melanoma cells. Recombinant TGaseII protein induced the activation of EGF receptor and an interaction between EGF receptor and FcϵRI. Recombinant TGaseII protein displayed angiogenic potential accompanied by allergic inflammation. R2 peptide, an inhibitor of TGaseII, exerted negative effects on in vitro and in vivo allergic inflammation by regulating the expression of TGaseII and FcϵRI signaling. MicroRNA (miR)-218 and miR-181a, decreased during allergic inflammation, were predicted as negative regulators of TGaseII by microRNA array and TargetScan analysis. miR-218 and miR-181a formed a negative feedback loop with TGaseII and regulated the in vitro and in vivo allergic inflammation. TGaseII was necessary for the interaction between mast cells and macrophages during allergic inflammation. Mast cells and macrophages, activated during allergic inflammation, were responsible for the enhanced metastatic potential of tumor cells that are accompanied by allergic inflammation. In conclusion, the TGaseII/miR-218/-181a feedback loop can be employed for the development of anti-allergy therapeutics.
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Affiliation(s)
| | | | - Misun Kim
- From the Departments of Biochemistry and
| | | | - Hansoo Lee
- Biological Sciences, College of Natural Sciences, and
| | - Yun Sil Lee
- the College of Pharmacy, Ewha Womans University, Seoul 120-750, Korea
| | - Jongseon Choe
- Graduate School of Medicine, Kangwon National University, Chunchon 200-701, Korea, and
| | - Young Myeong Kim
- Graduate School of Medicine, Kangwon National University, Chunchon 200-701, Korea, and
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18
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Saeed HM, Alanazi MS, Parine NR, Shaik J, Semlali A, Alharbi O, Azzam N, Aljebreen A, Almadi M, Shalaby MA. Matrix metalloproteinase-2 (-1306 c>t) promoter polymorphism and risk of colorectal cancer in the Saudi population. Asian Pac J Cancer Prev 2014; 14:6025-30. [PMID: 24289619 DOI: 10.7314/apjcp.2013.14.10.6025] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Matrix metalloproteinase-2 (MMP-2) is an enzyme with proteolytic activity against matrix proteins, particularly basement membrane constituents. A single nucleotide polymorphism (SNP) at -1306, which disrupts a Sp1-type promoter site (CCACC box), results in strikingly lower promoter activity with the T allele. In the present study, we investigated whether this MMP-2 genetic polymorphism might be associated with susceptibility to colorectal cancer (CRC) in the Saudi population. We also analyzed MMP-2 gene expression level sin CRC patients and 4 different cancer cell lines. MATERIALS AND METHODS TaqMan allele discrimination assays and DNA sequencing techniques were used to investigate the C-1306T SNP in the MMP-2 gene of Saudi colorectal cancer patients and controls. The MMP-2 gene expression level was also determined in 12 colon cancer tissue samples collected from unrelated patients and histologically normal tissues distant from tumor margins. RESULTS AND CONCLUSIONS The MMP-2 C-1306T SNP in the promoter region was associated with CRC in our Saudi population and the MMP-2 gene expression level was found to be 10 times higher in CRC patients. The MMP-2 C-1306T SNP is significantly associated with CRC in the Saudi population and this finding suggested that MMP-2 variants might help predict CRC progression risk among Saudis. We propose that analysis of this gene polymorphism could assist in identification of patient subgroups at risk of a poor disease outcome.
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Affiliation(s)
- Hesham Mahmoud Saeed
- Biochemistry Department, College of Science, King Saud University, Riyadh, KSA E-mail :
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19
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Eom S, Kim Y, Park D, Lee H, Lee YS, Choe J, Kim YM, Jeoung D. Histone deacetylase-3 mediates positive feedback relationship between anaphylaxis and tumor metastasis. J Biol Chem 2014; 289:12126-12144. [PMID: 24619412 DOI: 10.1074/jbc.m113.521245] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Allergic inflammation has been known to enhance the metastatic potential of tumor cells. The role of histone deacetylase-3 (HDAC3) in allergic skin inflammation was reported. We investigated HDAC3 involvement in the allergic inflammation-promotion of metastatic potential of tumor cells. Passive systemic anaphylaxis (PSA) induced HDAC3 expression and FcεRI signaling in BALB/c mice. PSA enhanced the tumorigenic and metastatic potential of mouse melanoma cells in HDAC3- and monocyte chemoattractant protein 1-(MCP1)-dependent manner. The PSA-mediated enhancement of metastatic potential involved the induction of HDAC3, MCP1, and CD11b (a macrophage marker) expression in the lung tumor tissues. We examined an interaction between anaphylaxis and tumor growth and metastasis at the molecular level. Conditioned medium from antigen-stimulated bone marrow-derived mouse mast cell cultures induced the expression of HDAC3, MCP1, and CCR2, a receptor for MCP1, in B16F1 mouse melanoma cells and enhanced migration and invasion potential of B16F1 cells. The conditioned medium from B16F10 cultures induced the activation of FcεRI signaling in lung mast cells in an HDAC3-dependent manner. FcεRI signaling was observed in lung tumors derived from B16F10 cells. Target scan analysis predicted HDAC3 to be as a target of miR-384, and miR-384 and HDAC3 were found to form a feedback regulatory loop. miR-384, which is decreased by PSA, negatively regulated HDAC3 expression, allergic inflammation, and the positive feedback regulatory loop between anaphylaxis and tumor metastasis. We show the miR-384/HDAC3 feedback loop to be a novel regulator of the positive feedback relationship between anaphylaxis and tumor metastasis.
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Affiliation(s)
- Sangkyung Eom
- Departments of Biochemistry, Kangwon National University, Chunchon 200-701
| | - Youngmi Kim
- Departments of Biochemistry, Kangwon National University, Chunchon 200-701
| | - Deokbum Park
- Departments of Biochemistry, Kangwon National University, Chunchon 200-701
| | - Hansoo Lee
- Departments of Biological Sciences, College of Natural Sciences, Kangwon National University, Chunchon 200-701
| | - Yun Sil Lee
- College of Pharmacy, Ewha Womans University, Seoul 120-750, Korea
| | - Jongseon Choe
- Graduate School of Medicine, Kangwon National University, Chunchon 200-701
| | - Young Myeong Kim
- Graduate School of Medicine, Kangwon National University, Chunchon 200-701
| | - Dooil Jeoung
- Departments of Biochemistry, Kangwon National University, Chunchon 200-701.
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20
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Saeed HM, Alanazi MS, Nounou HA, Salaby MA, Semlali A, Azzam N, Aljebreen A, Alharby O, Parine NR, Shaik J, Arafaha M. Cytochrome P450 1A1, 2E1 and GSTM1 gene polymorphisms and susceptibility to colorectal cancer in the Saudi population. Asian Pac J Cancer Prev 2014; 14:3761-8. [PMID: 23886179 DOI: 10.7314/apjcp.2013.14.6.3761] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The Saudi population has experienced a sharp increase in colorectal and gastric cancer incidences within the last few years. The relationship between gene polymorphisms of xenobiotic metabolizing enzymes and colorectal cancer (CRC) incidence has not previously investigated among the Saudi population. The aim of the present study was to investigate contributions of CYP1A1, CYP2E1, and GSTM1 gene polymorphisms. MATERIALS AND METHODS Blood samples were collected from CRC patients and healthy controls and genotypes were determined by polymerase chain reaction restriction fragment length polymorphism and sequencing. RESULTS AND CONCLUSIONS CYP2E1*6 was not significantly associated with CRC development (odd ratio=1.29; confidence interval 0.68-2.45). A remarkable and statistically significant association was observed among patients with CYP1Awt/*2A (odd ratio=3.65; 95% confidence interval 1.39-9.57). The GSTM1*0/*0 genotype was found in 2% of CRC patients under investigation. The levels of CYP1A1, CYP2E1 and GSTM1 mRNA gene expression were found to be 4, 4.2 and 4.8 fold, respectively, by quantitative real time PCR. The results of the present case-control study show that the studied Saudi population resembles Caucasians with respect to the considered polymorphisms. Investigation of genetic risk factors and susceptibility gene polymorphisms in our Saudi population should be helpful for better understanding of CRC etiology.
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Affiliation(s)
- Hesham Mahmoud Saeed
- Department of Biochemistry, College of Science, King Saud University, Riyadh, KSA.
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21
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Loubaki L, Hadj-Salem I, Fakhfakh R, Jacques E, Plante S, Boisvert M, Aoudjit F, Chakir J. Co-culture of human bronchial fibroblasts and CD4+ T cells increases Th17 cytokine signature. PLoS One 2013; 8:e81983. [PMID: 24349168 PMCID: PMC3857794 DOI: 10.1371/journal.pone.0081983] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Accepted: 10/19/2013] [Indexed: 12/07/2022] Open
Abstract
BACKGROUND Airway inflammation is an important characteristic of asthma and has been associated with airway remodelling and bronchial hyperreactivity. The mucosal microenvironment composed of structural cells and highly specialised extracellular matrix is able to amplify and promote inflammation. This microenvironment leads to the development and maintenance of a specific adaptive response characterized by Th2 and Th17. Bronchial fibroblasts produce multiple mediators that may play a role in maintaining and amplifying this response in asthma. OBJECTIVE To investigate the role of bronchial fibroblasts obtained from asthmatic subjects and healthy controls in regulating Th17 response by creating a local micro-environment that promotes this response in the airways. METHODS Human bronchial fibroblasts and CD4(+)T cells were isolated from atopic asthmatics and non-atopic healthy controls. CD4(+)T were co-cultured with bronchial fibroblasts of asthmatic subjects and healthy controls. RORc gene expression was detected by qPCR. Phosphorylated STAT-3 and RORγt were evaluated by western blots. Th17 phenotype was measured by flow cytometry. IL-22, IL17, IL-6 TGF-β and IL1-β were assessed by qPCR and ELISA. RESULTS Co-culture of CD4(+)T cells with bronchial fibroblasts significantly stimulated RORc expression and induced a significant increase in Th17 cells as characterized by the percentage of IL-17(+)/CCR6(+) staining in asthmatic conditions. IL-17 and IL-22 were increased in both normal and asthmatic conditions with a significantly higher amount in asthmatics compared to controls. IL-6, IL-1β, TGF-β and IL-23 were significantly elevated in fibroblasts from asthmatic subjects upon co-culture with CD4(+)T cells. IL-23 stimulates IL-6 and IL-1β expression by bronchial fibroblasts. CONCLUSION Interaction between bronchial fibroblasts and T cells seems to promote specifically Th17 cells profile in asthma. These results suggest that cellular interaction particularly between T cells and fibroblasts may play a pivotal role in the regulation of the inflammatory response in asthma.
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Affiliation(s)
- Lionel Loubaki
- Centre de recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Canada
| | - Ikhlass Hadj-Salem
- Centre de recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Canada
| | - Raouia Fakhfakh
- Centre de recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Canada
| | - Eric Jacques
- Centre de recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Canada
| | - Sophie Plante
- Centre de recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Canada
| | - Marc Boisvert
- Centre de recherche en rhumatologie et Immunologie, Université Laval, Québec, Canada
| | - Fawzi Aoudjit
- Centre de recherche en rhumatologie et Immunologie, Université Laval, Québec, Canada
| | - Jamila Chakir
- Centre de recherche, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Québec, Canada
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Azimifar SB, Böttcher RT, Zanivan S, Grashoff C, Krüger M, Legate KR, Mann M, Fässler R. Induction of membrane circular dorsal ruffles requires co-signalling of integrin-ILK-complex and EGF receptor. J Cell Sci 2013; 125:435-48. [PMID: 22357970 DOI: 10.1242/jcs.091652] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Integrin and receptor tyrosine kinase signalling networks cooperate to regulate various biological functions. The molecular details underlying the integration of both signalling networks remain largely uncharacterized. Here we identify a signalling module composed of a fibronectin-α5β1-integrin-integrin-linked-kinase (ILK) complex that, in concert with epidermal growth factor (EGF) cues, cooperatively controls the formation of transient actin-based circular dorsal ruffles (DRs) in fibroblasts. DR formation depends on the precise spatial activation of Src at focal adhesions by integrin and EGF receptor signals, in an ILK-dependent manner. In a SILAC-based phosphoproteomics screen we identified the tumour-suppressor Cyld as being required for DR formation induced by α5β1 integrin and EGF receptor co-signalling. Furthermore, EGF-induced Cyld tyrosine phosphorylation is controlled by integrin-ILK and Src as a prerequisite for DR formation. This study provides evidence for a novel function of integrin-ILK and EGF signalling crosstalk in mediating Cyld tyrosine phosphorylation and fast actin-based cytoskeletal rearrangements.
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Affiliation(s)
- S Babak Azimifar
- Department of Molecular Medicine, Max Planck Institute of Biochemistry, 82152 Martinsried, Germany
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23
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Hassan GS, Yacoub D, Alaaeddine N, Nadiri A, Merhi Y, Mourad W. CD154: the atherosclerotic risk factor in rheumatoid arthritis? Arthritis Res Ther 2013; 15:206. [PMID: 23433179 PMCID: PMC3672750 DOI: 10.1186/ar4153] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Atherosclerosis, now regarded as a chronic inflammatory disease of the arterial wall, and its clinical manifestations have increasingly been associated with rheumatoid arthritis (RA), supporting the notion that autoimmune diseases and vascular disorders share common etiological features. Indeed, evidence pertaining to this matter indicates that inflammation and its multiple components are the driving force behind the pathogenesis of these disorders. Interestingly, CD154 and its receptors have emerged as major players in the development of RA and atherosclerosis, which raises the possibility that this axis may represent an important biological link between both complications. Indeed, CD154 signaling elicits critical inflammatory responses that are common to the pathogenesis of both diseases. Here, we provide an overview of the traditional and disease-related interrelations between RA and vascular abnormalities, while focusing on CD154 as a potential mediator in the development of atherosclerotic events in RA patients.
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