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Ma RX, Wei JR, Hu YW. Characteristics of Carcinoembryonic Antigen-Related Cell Adhesion Molecules and Their Relationship to Cancer. Mol Cancer Ther 2024; 23:939-948. [PMID: 38490257 DOI: 10.1158/1535-7163.mct-23-0461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 01/02/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
Carcinoembryonic antigen-related cell adhesion molecules (CEACAM), such as carcinoembryonic antigen (CEA) and the oncofetal glycoprotein family, are tumor markers. The CEACAMs consist of 12 different human CEACAMs and 5 different murine CEACAMs. The CEACAM family of proteins participates in multiple biological processes that include the immune response, angiogenesis, and cancer. CEACAMs play a significant role in cancer initiation and development. Increasing evidence suggests that family members may be new cancer biomarkers and targets in that CEACEAMs tend to be aberrantly expressed and therefore may have potential diagnostic and therapeutic importance. This review systematically summarizes the biogenesis, biological properties, and functions of CEACAMs, with a focus on their relationship with cancer and potential clinical application. As our knowledge of the relationships among CEACAMs and cancer increases, and as our understanding of the involved molecular mechanisms improves, new therapeutic strategies will evolve for cancer prevention and treatment of patients with cancer.
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Affiliation(s)
- Ru-Xue Ma
- Department of Cardiac Center, Guangzhou Medical University, Guangzhou Women and Children Medical Center, Guangzhou, China
| | - Jian-Rui Wei
- Department of Cardiac Center, Guangzhou Medical University, Guangzhou Women and Children Medical Center, Guangzhou, China
| | - Yan-Wei Hu
- Department of Laboratory Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
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2
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Khairnar V, Ngo VN. Editorial: Role of carcinoembryonic antigen-related cell adhesion molecules in pathogen responses, tumorigenicity, and immune modulation. Front Immunol 2024; 15:1388453. [PMID: 38504992 PMCID: PMC10949890 DOI: 10.3389/fimmu.2024.1388453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 02/28/2024] [Indexed: 03/21/2024] Open
Affiliation(s)
| | - Vu N. Ngo
- Department of Systems Biology, Beckman Research Institute of City of Hope Comprehensive Cancer Center, Duarte, CA, United States
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3
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Sendid B, Cornu M, Cordier C, Bouckaert J, Colombel JF, Poulain D. From ASCA breakthrough in Crohn's disease and Candida albicans research to thirty years of investigations about their meaning in human health. Autoimmun Rev 2024; 23:103486. [PMID: 38040100 DOI: 10.1016/j.autrev.2023.103486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 11/23/2023] [Indexed: 12/03/2023]
Abstract
Anti-Saccharomyces cerevisiae antibodies (ASCA) are human antibodies that can be detected using an enzyme-linked immunosorbent assay involving a mannose polymer (mannan) extracted from the cell wall of the yeast S. cerevisiae. The ASCA test was developed in 1993 with the aim of differentiating the serological response in two forms of inflammatory bowel disease (IBD), Crohn's disease and ulcerative colitis. The test, which is based on the detection of anti-oligomannosidic antibodies, has been extensively performed worldwide and there have been hundreds of publications on ASCA. The earlier studies concerned the initial diagnostic indications of ASCA and investigations then extended to many human diseases, generally in association with studies on intestinal microorganisms and the interaction of the micro-mycobiome with the immune system. The more information accumulates, the more the mystery of the meaning of ASCA deepens. Many fundamental questions remain unanswered. These questions concern the heterogeneity of ASCA, the mechanisms of their generation and persistence, the existence of self-antigens, and the relationship between ASCA and inflammation and autoimmunity. This review aims to discuss the gray areas concerning the origin of ASCA from an analysis of the literature. Structured around glycobiology and the mannosylated antigens of S. cerevisiae and Candida albicans, this review will address these questions and will try to clarify some lines of thought. The importance of the questions relating to the pathophysiological significance of ASCA goes far beyond IBD, even though these diseases remain the preferred models for their understanding.
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Affiliation(s)
- Boualem Sendid
- INSERM U1285, CNRS UMR 8576, Glycobiology in Fungal Pathogenesis and Clinical Applications, Université de Lille, F-59000 Lille, France; Pôle de Biologie-Pathologie-Génétique, Institut de Microbiologie, Service de Parasitologie-Mycologie, CHU Lille, F-59000 Lille, France.
| | - Marjorie Cornu
- INSERM U1285, CNRS UMR 8576, Glycobiology in Fungal Pathogenesis and Clinical Applications, Université de Lille, F-59000 Lille, France; Pôle de Biologie-Pathologie-Génétique, Institut de Microbiologie, Service de Parasitologie-Mycologie, CHU Lille, F-59000 Lille, France
| | - Camille Cordier
- INSERM U1285, CNRS UMR 8576, Glycobiology in Fungal Pathogenesis and Clinical Applications, Université de Lille, F-59000 Lille, France; Pôle de Biologie-Pathologie-Génétique, Institut de Microbiologie, Service de Parasitologie-Mycologie, CHU Lille, F-59000 Lille, France
| | - Julie Bouckaert
- CNRS UMR 8576, Computational Molecular Systems Biology, Université de Lille, F-59000 Lille, France
| | - Jean Frederic Colombel
- Department of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Daniel Poulain
- INSERM U1285, CNRS UMR 8576, Glycobiology in Fungal Pathogenesis and Clinical Applications, Université de Lille, F-59000 Lille, France.
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4
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Ball LM, Bronstein E, Liechti GW, Maurelli AT. Neisseria gonorrhoeae drives Chlamydia trachomatis into a persistence-like state during in vitro co-infection. Infect Immun 2024; 92:e0017923. [PMID: 38014981 PMCID: PMC10790821 DOI: 10.1128/iai.00179-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 11/05/2023] [Indexed: 11/29/2023] Open
Abstract
Chlamydia trachomatis and Neisseria gonorrhoeae are the most prevalent bacterial sexually transmitted infections (STIs) globally. Despite frequent co-infections in patients, few studies have investigated how mono-infections may differ from co-infections. We hypothesized that a symbiotic relationship between the pathogens could account for the high rates of clinical co-infection. During in vitro co-infection, we observed an unexpected phenotype where the C. trachomatis developmental cycle was impaired by N. gonorrhoeae. C. trachomatis is an obligate intracellular pathogen with a unique biphasic developmental cycle progressing from infectious elementary bodies (EB) to replicative reticulate bodies (RB), and back. After 12 hours of co-infection, we observed fewer EBs than in a mono-infection. Chlamydial genome copy number remained equivalent between mono- and co-infections. This is a hallmark of Chlamydial persistence. Chlamydial persistence alters inclusion morphology but varies depending on the stimulus/stress. We observed larger, but fewer, Chlamydia during co-infection. Tryptophan depletion can induce Chlamydial persistence, but tryptophan supplementation did not reverse the co-infection phenotype. Only viable and actively growing N. gonorrhoeae produced the inhibition phenotype in C. trachomatis. Piliated N. gonorrhoeae had the strongest effect on C. trachomatis, but hyperpiliated or non-piliated N. gonorrhoeae still produced the phenotype. EB development was modestly impaired when N. gonorrhoeae were grown in transwells above the infected monolayer. C. trachomatis serovar L2 was not impaired during co-infection. Chlamydial impairment could be due to cytoskeletal or osmotic stress caused by an as-yet-undefined mechanism. We conclude that N. gonorrhoeae induces a persistence-like state in C. trachomatis that is serovar dependent.
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Affiliation(s)
- Louise M. Ball
- Emerging Pathogens Institute and Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida, USA
| | - Ellis Bronstein
- F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, Maryland, USA
| | - George W. Liechti
- Department of Microbiology and Immunology, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, Maryland, USA
| | - Anthony T. Maurelli
- Emerging Pathogens Institute and Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida, USA
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5
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Saberi S, Shans N, Ghaffari S, Esmaeili M, Mohammadi M. The role of CEACAMs versus integrins in Helicobacter pylori CagA translocation: a systematic review. Microbes Infect 2024; 26:105246. [PMID: 37926369 DOI: 10.1016/j.micinf.2023.105246] [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: 03/04/2023] [Revised: 10/24/2023] [Accepted: 10/30/2023] [Indexed: 11/07/2023]
Abstract
The delivery of Helicobacter pylori CagA into host cells was long believed to occur through the integrin cell surface receptors. However, the role of CEACAM receptors has recently been highlighted, instead. Here, we have categorized the existing experimental evidence according to whether deletion, upregulation, downregulation, or inhibition of the target ligands (T4SS or HopQ) or receptors (integrins or CEACAMs), result in alterations in CagA phosphorylation, cell elongation, or IL-8 production. According to our analysis, the statistics favor the essence of most of the T4SS constituents and the involvement of HopQ adhesin in all three functions. Concerning the integrin family, the collected data is controversial, but yielding towards it being dispensable or involved in CagA translocation. Yet, regarding cell elongation, more events are showing β1 integrin being involved, than αvβ4 being inhibitory. Concerning IL-8 secretion, again there are more events showing α5, β1 and β6 integrins to be involved, than those showing inhibitory roles for β1, β4 and β6 integrins. Finally, CEACAM 1, 3, and 5 are identified as mostly essential or involved in CagA phosphorylation, whereasCEACAM 4, 7, and 8 are found dispensable and CEACAM6 is under debate. Conversely, CEACAM1, 5 and 6 appear mostly dispensable for cell elongation. Noteworthy is the choice of cell type, bacterial strain, multiplicity and duration of infection, as well as the sensitivity of the detection methods, all of which can affect the variably obtained results.
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Affiliation(s)
- Samaneh Saberi
- HPGC Research Group, Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Nazanin Shans
- HPGC Research Group, Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Saba Ghaffari
- HPGC Research Group, Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Maryam Esmaeili
- HPGC Research Group, Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Marjan Mohammadi
- HPGC Research Group, Department of Medical Biotechnology, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.
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6
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Activation of CEACAM1 with an agonistic monoclonal antibody results in inhibition of melanoma cells. Cancer Gene Ther 2022; 29:1676-1685. [PMID: 35681020 DOI: 10.1038/s41417-022-00486-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 05/08/2022] [Accepted: 05/23/2022] [Indexed: 02/04/2023]
Abstract
Inhibitory receptors (IRs), such as the carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1), are cell surface molecules expressed on both normal epithelial, endothelial, and hematopoietic cells and on neoplastic cells. IRs are usually used by cancer cells to inhibit immune cell functions. Thus, CEACAM1 positive tumor cells can interact homophilically with CEACAM1 expressed on T and NK cells to inhibit their antibody-dependent cell-mediated cytotoxicity (ADCC). In this study, we investigated the effect of agonistic/activating anti-CEACAM1 monoclonal antibody (mAb) on melanoma cell lines in vitro and in vivo, following our hypothesis that activation of CEACAM1 on melanoma cells by distinct mAbs may induce inhibition of cancer cell proliferation and/or their death. To address this, we established an activating anti-CEACAM1 mAb (CCM5.01) and characterized its binding to the CEACAM1 receptor. Using this mAb, we assessed the expression of CEACAM1 on four different human melanoma cell lines by western blot and flow cytometry and determined its effect on cell viability in vitro by MTT assay. Furthermore, we evaluated the mAb mechanism of action and found that binding of CEACAM1 with CCM5.01 induced SHP1 phosphorylation and p53 activation resulting in melanoma cell apoptosis. For in vivo studies, a xenograft model of melanoma was performed by injection of Mel-14 cells subcutaneously (s.c.) in SCID/Beige mice followed by intraperitoneal (i.p.) injection of CCM5.01 or of IgG1 isotype control every other day. CCM5.01 treated mice showed a slight but not significant decrease in tumor weight in comparison to the control group. Based on the obtained data, we suggest that activating CEACAM1 on melanoma cells might be a promising novel approach to fight cancers expressing this IR.
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7
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Gandhi AK, Sun ZYJ, Huang YH, Kim WM, Yang C, Petsko GA, Beauchemin N, Blumberg RS. Structural analysis of human CEACAM1 oligomerization. Commun Biol 2022; 5:1042. [PMID: 36180783 PMCID: PMC9525683 DOI: 10.1038/s42003-022-03996-4] [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: 03/08/2022] [Accepted: 09/14/2022] [Indexed: 11/09/2022] Open
Abstract
The human (h) CEACAM1 GFCC’ face serves as a binding site for homophilic and heterophilic interactions with various microbial and host ligands. hCEACAM1 has also been observed to form oligomers and micro-clusters on the cell surface which are thought to regulate hCEACAM1-mediated signaling. However, the structural basis for hCEACAM1 higher-order oligomerization is currently unknown. To understand this, we report a hCEACAM1 IgV oligomer crystal structure which shows how GFCC’ face-mediated homodimerization enables highly flexible ABED face interactions to arise. Structural modeling and nuclear magnetic resonance (NMR) studies predict that such oligomerization is not impeded by the presence of carbohydrate side-chain modifications. In addition, using UV spectroscopy and NMR studies, we show that oligomerization is further facilitated by the presence of a conserved metal ion (Zn++ or Ni++) binding site on the G strand of the FG loop. Together these studies provide biophysical insights on how GFCC’ and ABED face interactions together with metal ion binding may facilitate hCEACAM1 oligomerization beyond dimerization. The crystal structure of human CEACAM1 IgV oligomer and structural analyses provide insight into higher-order oligomerization involving GFCC’ face-mediated homodimerization, flexible ABED interfaces, and dynamic metal-ion bridging.
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Affiliation(s)
- Amit K Gandhi
- Division of Gastroenterology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA.
| | - Zhen-Yu J Sun
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Yu-Hwa Huang
- Division of Gastroenterology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA
| | - Walter M Kim
- Division of Gastroenterology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA
| | - Chao Yang
- Division of Gastroenterology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA
| | - Gregory A Petsko
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Nicole Beauchemin
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, QC, Canada
| | - Richard S Blumberg
- Division of Gastroenterology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA.
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8
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Progranulin aggravates lethal Candida albicans sepsis by regulating inflammatory response and antifungal immunity. PLoS Pathog 2022; 18:e1010873. [PMID: 36121866 PMCID: PMC9521894 DOI: 10.1371/journal.ppat.1010873] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/29/2022] [Accepted: 09/09/2022] [Indexed: 11/19/2022] Open
Abstract
Candida albicans is the most frequent pathogen of fungal sepsis associated with substantial mortality in critically ill patients and those who are immunocompromised. Identification of novel immune-based therapeutic targets from a better understanding of its molecular pathogenesis is required. Here, we reported that the production of progranulin (PGRN) levels was significantly increased in mice after invasive C.albicans infection. Mice that lacked PGRN exhibited attenuated kidney injury and increased survival upon a lethal systemic infection with C. albicans. In mice, PGRN deficiency protected against systemic candidiasis by decreasing aberrant inflammatory reactions that led to renal immune cell apoptosis and kidney injury, and by enhancing antifungal capacity of macrophages and neutrophils that limited fungal burden in the kidneys. PGRN in hematopoietic cell compartment was important for this effect. Moreover, anti-PGRN antibody treatment limited renal inflammation and fungal burden and prolonged survival after invasive C. albicans infection. In vitro, PGRN loss increased phagocytosis, phagosome formation, reactive oxygen species production, neutrophil extracellular traps release, and killing activity in macrophages or neutrophils. Mechanistic studies demonstrated that PGRN loss up-regulated Dectin-2 expression, and enhanced spleen tyrosine kinase phosphorylation and extracellular signal-regulated kinase activation in macrophages and neutrophils. In summary, we identified PGRN as a critical factor that contributes to the immunopathology of invasive C.albicans infection, suggesting that targeting PGRN might serve as a novel treatment for fungal infection.
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9
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Rumpret M, von Richthofen HJ, Peperzak V, Meyaard L. Inhibitory pattern recognition receptors. J Exp Med 2022; 219:212908. [PMID: 34905019 PMCID: PMC8674843 DOI: 10.1084/jem.20211463] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 10/03/2021] [Accepted: 12/02/2021] [Indexed: 12/18/2022] Open
Abstract
Pathogen- and damage-associated molecular patterns are sensed by the immune system's pattern recognition receptors (PRRs) upon contact with a microbe or damaged tissue. In situations such as contact with commensals or during physiological cell death, the immune system should not respond to these patterns. Hence, immune responses need to be context dependent, but it is not clear how context for molecular pattern recognition is provided. We discuss inhibitory receptors as potential counterparts to activating pattern recognition receptors. We propose a group of inhibitory pattern recognition receptors (iPRRs) that recognize endogenous and microbial patterns associated with danger, homeostasis, or both. We propose that recognition of molecular patterns by iPRRs provides context, helps mediate tolerance to microbes, and helps balance responses to danger signals.
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Affiliation(s)
- Matevž Rumpret
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Helen J von Richthofen
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
| | - Victor Peperzak
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Linde Meyaard
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.,Oncode Institute, Utrecht, The Netherlands
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10
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SAKUMA M, OHTA K, FUKADA S, AKAGI M, KATO H, ISHIDA Y, NARUSE T, TAKECHI M, SHIGEISHI H, NISHI H, AIKAWA T. Effects of CEACAM1 in oral keratinocytes on HO-1 expression induced by Candida β-glucan particles. J Appl Oral Sci 2022; 30:e20220158. [PMID: 36350873 PMCID: PMC9651918 DOI: 10.1590/1678-7757-2022-0158] [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: 04/13/2022] [Accepted: 09/14/2022] [Indexed: 11/09/2022] Open
Abstract
Objective Carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) is a member of the carcinoembryonic antigen family. Although its expression has been found in chronic oral inflammatory epithelium, this study aimed to know whether CEACAM1 in oral keratinocytes participates in host immune response against
Candida albicans
. Methodology We investigated CEACAM1 expression in oral keratinocytes induced by
C. albicans
as well as by
Candida
cell wall component β-glucan particles (β-GPs). Furthermore, the effects of CEACAM1 on β-GPs-induced heme oxygenase-1 (HO-1) expression and its related signals were examined. Results Fluorescence staining showed CEACAM1 expression in oral keratinocytes (RT7) cells, whereas quantitative reverse transcription (RT)-PCR indicated that both live and heat-killed
C. albicans
increased CEACAM1 mRNA expression in RT7 cells. Examinations using quantitative RT-PCR and western blotting indicated that CEACAM1 expression was also increased by β-GPs derived from
C. albicans
. Specific siRNA for CEACAM1 decreased HO-1 expression induced by β-GPs from
C. albicans
as well as the budding yeast microorganism
Saccharomyces cerevisiae
. Moreover, knockdown of CEACAM1 decreased β-GPs-induced ROS activity in the early phase and translocation of Nrf2 into the nucleus. Conclusion CEACAM1 in oral keratinocytes may have a critical role in regulation of HO-1 for host immune defense during
Candida
infection.
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11
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Klaile E, Prada Salcedo JP, Klassert TE, Besemer M, Bothe AK, Durotin A, Müller MM, Schmitt V, Luther CH, Dittrich M, Singer BB, Dandekar T, Slevogt H. Antibody ligation of CEACAM1, CEACAM3, and CEACAM6, differentially enhance the cytokine release of human neutrophils in responses to Candida albicans. Cell Immunol 2021; 371:104459. [PMID: 34847408 DOI: 10.1016/j.cellimm.2021.104459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 10/27/2021] [Accepted: 11/15/2021] [Indexed: 11/30/2022]
Abstract
Invasive candidiasis is a healthcare-associated fungal infection with a high mortality rate. Neutrophils, the first line of defense during fungal infections, express the immunoregulatory Candida albicans receptors CEACAM1, CEACAM3, and CEACAM6. We analyzed the effects of specific antibodies on C. albicans-induced neutrophil responses. CEACAM6 ligation by 1H7-4B and to some extent CEACAM1 ligation by B3-17, but not CEACAM3 ligation by 308/3-3, resulted in the immediate release of stored CXCL8 and altered transcriptional responses of the C. albicans-stimulated neutrophils. Integrated network analyses and dynamic simulations of signaling cascades predicted alterations in apoptosis and cytokine secretion. We verified that CEACAM6 ligation enhanced Candida-induced neutrophil apoptosis and increased long-term IL-1β/IL-6 release in responses to C. albicans. CEACAM3 ligation, but not CEACAM1 ligation, increased the long-term release of pro-inflammatory IL-1β/IL-6. Taken together, we demonstrated for the first time that ligation of CEACAM receptors differentially affects the regulation of C. albicans-induced immune functions in human neutrophils.
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Affiliation(s)
- Esther Klaile
- ZIK Septomics, University Hospital Jena, Albert-Einstein-Straße 10, 07749 Jena, Germany.
| | - Juan P Prada Salcedo
- Dept. of Bioinformatics, University of Würzburg, Biocenter/Am Hubland, 97074 Würzburg, Germany.
| | - Tilman E Klassert
- ZIK Septomics, University Hospital Jena, Albert-Einstein-Straße 10, 07749 Jena, Germany.
| | - Matthias Besemer
- ZIK Septomics, University Hospital Jena, Albert-Einstein-Straße 10, 07749 Jena, Germany.
| | - Anne-Katrin Bothe
- ZIK Septomics, University Hospital Jena, Albert-Einstein-Straße 10, 07749 Jena, Germany.
| | - Adrian Durotin
- ZIK Septomics, University Hospital Jena, Albert-Einstein-Straße 10, 07749 Jena, Germany.
| | - Mario M Müller
- ZIK Septomics, University Hospital Jena, Albert-Einstein-Straße 10, 07749 Jena, Germany.
| | - Verena Schmitt
- Institute of Anatomy, University Hospital, University Duisburg-Essen, Hufelandstraße 55, 45122 Essen, Germany.
| | - Christian H Luther
- Dept. of Bioinformatics, University of Würzburg, Biocenter/Am Hubland, 97074 Würzburg, Germany.
| | - Marcus Dittrich
- Dept. of Bioinformatics, University of Würzburg, Biocenter/Am Hubland, 97074 Würzburg, Germany; Dept. of Human Genetics, University of Würzburg, Biocenter/Am Hubland, 97074 Würzburg, Germany.
| | - Bernhard B Singer
- Institute of Anatomy, University Hospital, University Duisburg-Essen, Hufelandstraße 55, 45122 Essen, Germany.
| | - Thomas Dandekar
- Dept. of Bioinformatics, University of Würzburg, Biocenter/Am Hubland, 97074 Würzburg, Germany.
| | - Hortense Slevogt
- ZIK Septomics, University Hospital Jena, Albert-Einstein-Straße 10, 07749 Jena, Germany.
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12
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Zhao J, Wang Y, Huang X, Ma Q, Song J, Wu X, Zhou H, Weng Y, Yang Z, Wang X. Liu Shen Wan inhibits influenza virus-induced secondary Staphylococcus aureus infection in vivo and in vitro. JOURNAL OF ETHNOPHARMACOLOGY 2021; 277:114066. [PMID: 33766755 DOI: 10.1016/j.jep.2021.114066] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 02/24/2021] [Accepted: 03/18/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Liu Shen Wan (LSW) is a traditional Chinese medicine (TCM) with detoxification and antiphlogistic activity; it is composed of bezoar, toad venom, musk, pearl powder, borneol and realgar. In recent years, LSW has been widely used in traditional medicine for the treatment of influenza, tonsillitis, pharyngitis, mumps, cancer and leukaemia. AIM OF STUDY The anti-influenza virus properties of LSW and its inhibition of the inflammatory response was demonstrated in our previous research; however, the effect and potential mechanism of LSW against influenza induced secondary bacteria have remained obscure. Therefore, in the present study, a model of influenza virus PR8 with secondary infection by Staphylococcus aureus (S. aureus) in vitro and in mice was established to examine the effect and potential mechanism by which LSW inhibits bacterial adhesion and subsequent severe pneumonia after viral infection. MATERIALS AND METHODS We investigated the effect of LSW on the PR8-induced adhesion of live S. aureus in A549 cells. RT-qPCR was used to detect the expression of adhesion molecules. Western blotting was used to determine the expression of CEACAM1, RIG-1, MDA5, p-NF-κB, and NF-κB in A549 cells. Inflammatory cytokines were detected using a Bio-Plex Pro Human Cytokine Screening Panel (R&D) in A549 cells and Mouse Magnetic Luminex Assays (R&D) in mice infected with PR8 virus and secondarily with S. aureus, respectively. Moreover, the survival rate, lung index, viral titre, bacterial loads and pathological changes in the lung tissue of mice infected with PR8 and S. aureus were investigated to estimate the effect of LSW in inhibiting severe pneumonia. RESULTS LSW significantly decreased S. aureus adhesion following influenza virus infection in A549 cells, which may have occurred by suppressing expression of the adhesion molecule CEACAM1. In addition, treatment with LSW dramatically suppressed the induction of proinflammatory cytokines (CCL2/MCP-1 and CXCL-9/MIG) and chemokines (IL-6 and TNF-α) by PR8 infection following secondary LPS stimulation in A549 cells. Upregulation of related signalling proteins (RIG-I, MDA5 and NF-κB) induced by viruses and bacteria was suppressed by LSW in A549 cells. LSW significantly decreased the viral titres and bacterial load, prolonged survival time, and ameliorated lung inflammation and injury in mice with S. aureus infection secondary to PR8 infection. CONCLUSIONS We demonstrated that LSW prevents S. aureus adherence to influenza virus-infected A549 cells, perhaps by inhibiting the expression of the adhesion molecule CEACAM1. The upregulation of proinflammatory cytokines and related signalling proteins induced by viruses and bacteria was suppressed by LSW in A549 cells. LSW significantly ameliorated lung injury caused by viral and secondary bacterial infection. These findings provide a further evaluation of LSW and suggest a beneficial effect of LSW for the prevention of secondary bacterial infection and related complications.
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Affiliation(s)
- Jin Zhao
- 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 Medical University, Guangzhou, Guangdong, China
| | - Yutao Wang
- 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 Medical University, Guangzhou, Guangdong, China
| | - Xiaodong Huang
- 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 Medical University, Guangzhou, Guangdong, China
| | - Qinhai Ma
- 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 Medical University, Guangzhou, Guangdong, China
| | - Jian Song
- 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 Medical University, Guangzhou, Guangdong, China
| | - Xiao Wu
- 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 Medical University, Guangzhou, Guangdong, China
| | - Hongxia Zhou
- 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 Medical University, Guangzhou, Guangdong, China
| | - Yunceng Weng
- 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 Medical University, Guangzhou, Guangdong, China
| | - Zifeng Yang
- 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 Medical University, Guangzhou, Guangdong, China; State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, Macau.
| | - Xinhua Wang
- 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 Medical University, Guangzhou, Guangdong, China; Institute of Integration of Traditional and Western Medicine, Guangzhou Medical University, Guangzhou, China.
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13
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Galaski J, Shhadeh A, Umaña A, Yoo CC, Arpinati L, Isaacson B, Berhani O, Singer BB, Slade DJ, Bachrach G, Mandelboim O. Fusobacterium nucleatum CbpF Mediates Inhibition of T Cell Function Through CEACAM1 Activation. Front Cell Infect Microbiol 2021; 11:692544. [PMID: 34336716 PMCID: PMC8319768 DOI: 10.3389/fcimb.2021.692544] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 05/17/2021] [Indexed: 12/12/2022] Open
Abstract
F. nucleatum is an anaerobic bacterium that is associated with several tumor entities and promotes tumorigenesis. Recent evidence suggests that F. nucleatum binds the inhibitory receptor carcinoembryonic antigen cell adhesion molecule 1 (CEACAM1) via the trimeric autotransporter adhesin CbpF. However, whether this binding is functional or whether other fusobacterial trimeric autotransporter adhesins are involved in CEACAM1 activation is unknown. In this study, using F. nucleatum mutants lacking the type 5c trimeric autotransporter adhesins fvcA (CbpF), fvcB, fvcC, and fvcD, we show that F. nucleatum CbpF binds and activates CEACAM1 and also binds carcinoembryonic antigen (CEA), a tumor-associated protein. We further find that CEACAM antibodies directed against the CEACAM N-terminal domain block the CbpF-CEACAM1 interaction. In functional assays, we demonstrate CbpF-dependent inhibition of CD4+ T cell response. Thus, we characterize an immune evasion mechanism in which F. nucleatum uses its surface protein CbpF to inhibit T cell function by activating CEACAM1.
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Affiliation(s)
- Johanna Galaski
- The Concern Foundation Laboratories at the Lautenberg Center for General and Tumor Immunology, Department of Immunology and Cancer Research, Institute for Medical Research Israel Canada (IMRIC), Faculty of Medicine, The Hebrew University Medical School, Jerusalem, Israel.,I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Amjad Shhadeh
- The Institute of Dental Sciences, The Hebrew University-Hadassah School of Dental Medicine, Jerusalem, Israel
| | - Ariana Umaña
- Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Christopher C Yoo
- Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Ludovica Arpinati
- Institute of Pulmonary Medicine, Hebrew University Hadassah Medical Center, Jerusalem, Israel
| | - Batya Isaacson
- The Concern Foundation Laboratories at the Lautenberg Center for General and Tumor Immunology, Department of Immunology and Cancer Research, Institute for Medical Research Israel Canada (IMRIC), Faculty of Medicine, The Hebrew University Medical School, Jerusalem, Israel
| | - Orit Berhani
- The Concern Foundation Laboratories at the Lautenberg Center for General and Tumor Immunology, Department of Immunology and Cancer Research, Institute for Medical Research Israel Canada (IMRIC), Faculty of Medicine, The Hebrew University Medical School, Jerusalem, Israel
| | - Bernhard B Singer
- Institute of Anatomy, Medical Faculty, University Duisburg-Essen, Essen, Germany
| | - Daniel J Slade
- Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
| | - Gilad Bachrach
- The Institute of Dental Sciences, The Hebrew University-Hadassah School of Dental Medicine, Jerusalem, Israel
| | - Ofer Mandelboim
- The Concern Foundation Laboratories at the Lautenberg Center for General and Tumor Immunology, Department of Immunology and Cancer Research, Institute for Medical Research Israel Canada (IMRIC), Faculty of Medicine, The Hebrew University Medical School, Jerusalem, Israel
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14
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Gandhi AK, Sun ZYJ, Kim WM, Huang YH, Kondo Y, Bonsor DA, Sundberg EJ, Wagner G, Kuchroo VK, Petsko GA, Blumberg RS. Structural basis of the dynamic human CEACAM1 monomer-dimer equilibrium. Commun Biol 2021; 4:360. [PMID: 33742094 PMCID: PMC7979749 DOI: 10.1038/s42003-021-01871-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 02/18/2021] [Indexed: 02/07/2023] Open
Abstract
Human (h) carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) function depends upon IgV-mediated homodimerization or heterodimerization with host ligands, including hCEACAM5, hTIM-3, PD-1, and a variety of microbial pathogens. However, there is little structural information available on how hCEACAM1 transitions between monomeric and dimeric states which in the latter case is critical for initiating hCEACAM1 activities. We therefore mutated residues within the hCEACAM1 IgV GFCC' face including V39, I91, N97, and E99 and examined hCEACAM1 IgV monomer-homodimer exchange using differential scanning fluorimetry, multi-angle light scattering, X-ray crystallography and/or nuclear magnetic resonance. From these studies, we describe hCEACAM1 homodimeric, monomeric and transition states at atomic resolution and its conformational behavior in solution through NMR assignment of the wildtype (WT) hCEACAM1 IgV dimer and N97A mutant monomer. These studies reveal the flexibility of the GFCC' face and its important role in governing the formation of hCEACAM1 dimers and selective heterodimers.
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Affiliation(s)
- Amit K. Gandhi
- Division of Gastroenterology, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA USA
| | - Zhen-Yu J. Sun
- grid.65499.370000 0001 2106 9910Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA USA
| | - Walter M. Kim
- Division of Gastroenterology, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA USA
| | - Yu-Hwa Huang
- Division of Gastroenterology, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA USA
| | - Yasuyuki Kondo
- Division of Gastroenterology, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA USA ,grid.31432.370000 0001 1092 3077Present Address: Division of Gastroenterology, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Daniel A. Bonsor
- grid.411024.20000 0001 2175 4264Institute of Human Virology, University of Maryland School of Medicine, University of Maryland, Baltimore, MD USA
| | - Eric J. Sundberg
- grid.411024.20000 0001 2175 4264Institute of Human Virology, University of Maryland School of Medicine, University of Maryland, Baltimore, MD USA ,grid.411024.20000 0001 2175 4264Department of Medicine, University of Maryland School of Medicine, University of Maryland, Baltimore, MD USA ,grid.411024.20000 0001 2175 4264Department of Microbiology and Immunology, University of Maryland School of Medicine, University of Maryland, Baltimore, MD USA ,grid.189967.80000 0001 0941 6502Present Address: Department of Biochemistry, Emory University School of Medicine, Atlanta, GA USA
| | - Gerhard Wagner
- grid.38142.3c000000041936754XDepartment of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA USA
| | - Vijay K. Kuchroo
- grid.62560.370000 0004 0378 8294Evergrande Center for Immunologic Diseases and Ann Romney Center for Neurologic Diseases, Harvard Medical School and Brigham and Women’s Hospital, Boston, MA USA
| | - Gregory A. Petsko
- Ann Romney Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA USA
| | - Richard S. Blumberg
- Division of Gastroenterology, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA USA
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15
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Zimmermann W, Kammerer R. The immune-modulating pregnancy-specific glycoproteins evolve rapidly and their presence correlates with hemochorial placentation in primates. BMC Genomics 2021; 22:128. [PMID: 33602137 PMCID: PMC7893922 DOI: 10.1186/s12864-021-07413-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 01/27/2021] [Indexed: 12/14/2022] Open
Abstract
Background Pregnancy-specific glycoprotein (PSG) genes belong to the carcinoembryonic antigen (CEA) gene family, within the immunoglobulin gene superfamily. In humans, 10 PSG genes encode closely related secreted glycoproteins. They are exclusively expressed in fetal syncytiotrophoblast cells and represent the most abundant fetal proteins in the maternal blood. In recent years, a role in modulation of the maternal immune system possibly to avoid rejection of the semiallogeneic fetus and to facilitate access of trophoblast cells to maternal resources via the blood system has been suggested. Alternatively, they could serve as soluble pathogen decoy receptors like other members of the CEA family. Despite their clearly different domain organization, similar functional properties have also been observed for murine and bat PSG. As these species share a hemochorial type of placentation and a seemingly convergent formation of PSG genes during evolution, we hypothesized that hemochorial placentae support the evolution of PSG gene families. Results To strengthen this hypothesis, we have analyzed PSG genes in 57 primate species which exhibit hemochorial or epitheliochorial placentation. In nearly all analyzed apes some 10 PSG genes each could be retrieved from genomic databases, while 6 to 24 PSG genes were found in Old World monkey genomes. Surprisingly, only 1 to 7 PSG genes could be identified in New World monkeys. Interestingly, no PSG genes were found in more distantly related primates with epitheliochorial placentae like lemurs and lorises. The exons encoding the putative receptor-binding domains exhibit strong selection for diversification in most primate PSG as revealed by rapid loss of orthologous relationship during evolution and high ratios of nonsynonymous and synonymous mutations. Conclusion The distribution of trophoblast-specific PSGs in primates and their pattern of selection supports the hypothesis that PSG are still evolving to optimize fetal-maternal or putative pathogen interactions in mammals with intimate contact of fetal cells with the immune system of the mother like in hemochorial placentation. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-07413-8.
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Affiliation(s)
- Wolfgang Zimmermann
- Tumor Immunology Laboratory, LIFE Center, Department of Urology, University Hospital, LMU Munich, Germany.
| | - Robert Kammerer
- Institute of Immunology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald, Insel Riems, Germany
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16
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Tian C, Zhang B, Ge C. Effect of CEACAM6 silencing on the biological behavior of human gallbladder cancer cells. Oncol Lett 2020; 20:2677-2688. [PMID: 32782584 PMCID: PMC7400980 DOI: 10.3892/ol.2020.11806] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 05/14/2020] [Indexed: 12/11/2022] Open
Abstract
Carcinoembryonic antigen-related cell adhesion molecule 6 (CEACAM6) is abnormally expressed in various malignant tumors and thus represents a potential biomarker, although information regarding its role in gallbladder cancer (GBC) is limited. This study aimed to evaluate the expression of CEACAM6 in GBC and the effect of CEACAM6 gene silencing on the proliferation, migration, invasion and apoptosis of human GBC cells. Immunochemistry was used to evaluate CEACAM6 expression in 95 GBC specimens and 40 peritumoral tissue specimens. GBC-SD and SGC-996 cell lines were used for in vitro experiments. CEACAM6 was knocked down by transfection of targeted small interfering RNA (siRNA), and reverse-transcription quantitative PCR and western blot analysis were used to detect knockdown efficiency. Cell Counting Kit-8 and colony formation assays were undertaken to evaluate cell proliferation. Variations in cell migration and invasion were detected by wound-healing and Transwell assays, respectively. Flow cytometry was applied to measure cell apoptosis and cell cycle distribution. CEACAM6 gene expression was significantly greater in GBC tissues than in peritumoral tissues, and its positive expression was associated with poor prognosis. CEACAM6 mRNA and protein expression in the CEACAM6 siRNA treatment group was significantly lower than that in the negative control group and the blank group. CEACAM6 knockdown inhibited GBC cell proliferation, migration and invasion but promoted cell apoptosis. Western blot analysis of invasion- and apoptosis-related proteins matrix metalloproteinase-2, Vimentin, BCL-2 and BAX further confirmed CEACAM6 mRNA depletion promoted cell apoptosis and inhibited invasion. Additionally, CEACAM6 mRNA depletion affected the progression of the GBC cell cycle to increase cell distribution in G0/G1 phase, and to reduce it in G2/M phase and S phase. These findings indicated that CEACAM6 overexpression may be related to the tumorigenesis and development of GBC. In summary, depletion of CEACAM6 mRNA suppressed the malignant biological behaviors of human gallbladder cancer cells.
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Affiliation(s)
- Chengming Tian
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
| | - Bingye Zhang
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
| | - Chunlin Ge
- Department of Pancreatic and Biliary Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
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17
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Bonsignore P, Kuiper JWP, Adrian J, Goob G, Hauck CR. CEACAM3-A Prim(at)e Invention for Opsonin-Independent Phagocytosis of Bacteria. Front Immunol 2020; 10:3160. [PMID: 32117212 PMCID: PMC7026191 DOI: 10.3389/fimmu.2019.03160] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 12/31/2019] [Indexed: 01/15/2023] Open
Abstract
Phagocytosis is one of the key innate defense mechanisms executed by specialized cells in multicellular animals. Recent evidence suggests that a particular phagocytic receptor expressed by human polymorphonuclear granulocytes, the carcinoembryonic antigen-related cell adhesion molecule 3 (CEACAM3), is one of the fastest-evolving human proteins. In this focused review, we will try to resolve the conundrum why a conserved process such as phagocytosis is conducted by a rapidly changing receptor. Therefore, we will first summarize the biochemical and structural details of this immunoglobulin-related glycoprotein in the context of the human CEACAM family. The function of CEACAM3 for the efficient, opsonin-independent detection and phagocytosis of highly specialized, host-restricted bacteria will be further elaborated. Taking into account the decisive role of CEACAM3 in the interaction with pathogenic bacteria, we will discuss the evolutionary trajectory of the CEACAM3 gene within the primate lineage and highlight the consequences of CEACAM3 polymorphisms in human populations. From a synopsis of these studies, CEACAM3 emerges as an important component of human innate immunity and a prominent example of a dedicated receptor for professional phagocytosis.
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Affiliation(s)
- Patrizia Bonsignore
- Lehrstuhl Zellbiologie, Fachbereich Biologie, Universität Konstanz, Konstanz, Germany
| | - Johannes W P Kuiper
- Lehrstuhl Zellbiologie, Fachbereich Biologie, Universität Konstanz, Konstanz, Germany
| | - Jonas Adrian
- Lehrstuhl Zellbiologie, Fachbereich Biologie, Universität Konstanz, Konstanz, Germany
| | - Griseldis Goob
- Lehrstuhl Zellbiologie, Fachbereich Biologie, Universität Konstanz, Konstanz, Germany
| | - Christof R Hauck
- Lehrstuhl Zellbiologie, Fachbereich Biologie, Universität Konstanz, Konstanz, Germany.,Konstanz Research School Chemical Biology, Universität Konstanz, Konstanz, Germany
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18
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Klaile E, Müller MM, Zubiría-Barrera C, Brehme S, Klassert TE, Stock M, Durotin A, Nguyen TD, Feer S, Singer BB, Zipfel PF, Rudolphi S, Jacobsen ID, Slevogt H. Unaltered Fungal Burden and Lethality in Human CEACAM1-Transgenic Mice During Candida albicans Dissemination and Systemic Infection. Front Microbiol 2019; 10:2703. [PMID: 31849868 PMCID: PMC6889641 DOI: 10.3389/fmicb.2019.02703] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 11/07/2019] [Indexed: 12/29/2022] Open
Abstract
Carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1, CD66a) is a receptor for Candida albicans. It is crucial for the immune response of intestinal epithelial cells to this opportunistic pathogen. Moreover, CEACAM1 is of importance for the mucosal colonization by different bacterial pathogens. We therefore studied the influence of the human CEACAM1 receptor in human CEACAM1-transgenic mice on the C. albicans colonization and infection utilizing a colonization/dissemination and a systemic infection mouse model. Our results showed no alterations in the host response between the transgenic mice and the wild-type littermates to the C. albicans infections. Both mouse strains showed comparable C. albicans colonization and mycobiota, similar fungal burdens in various organs, and a similar survival in the systemic infection model. Interestingly, some of the mice treated with anti-bacterial antibiotics (to prepare them for C. albicans colonization via oral infection) also showed a strong reduction in endogenous fungi instead of the normally observed increase in fungal numbers. This was independent of the expression of human CEACAM1. In the systemic infection model, the human CEACAM1 expression was differentially regulated in the kidneys and livers of Candida-infected transgenic mice. Notably, in the kidneys, a total loss of the largest human CEACAM1 isoform was observed. However, the overwhelming immune response induced in the systemic infection model likely covered any CEACAM1-specific effects in the transgenic animals. In vitro studies using bone marrow-derived neutrophils from both mouse strains also revealed no differences in their reaction to C. albicans. In conclusion, in contrast to bacterial pathogens interacting with CEACAM1 on different mucosal surfaces, the human CEACAM1-transgenic mice did not reveal a role of human CEACAM1 in the in vivo candidiasis models used here. Further studies and different approaches will be needed to reveal a putative role of CEACAM1 in the host response to C. albicans.
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Affiliation(s)
- Esther Klaile
- Host Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, Jena, Germany
| | - Mario M Müller
- Host Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, Jena, Germany
| | - Cristina Zubiría-Barrera
- Host Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, Jena, Germany
| | - Saskia Brehme
- Host Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, Jena, Germany
| | - Tilman E Klassert
- Host Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, Jena, Germany
| | - Magdalena Stock
- Host Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, Jena, Germany
| | - Adrian Durotin
- Host Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, Jena, Germany
| | - Tien D Nguyen
- Host Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, Jena, Germany
| | - Sabina Feer
- Host Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, Jena, Germany
| | - Bernhard B Singer
- Medical Faculty, Institute of Anatomy, University Duisburg-Essen, Essen, Germany
| | - Peter F Zipfel
- Infection Biology, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute (HKI), Jena, Germany.,Institute of Microbiology, Friedrich Schiller University Jena, Jena, Germany
| | - Sven Rudolphi
- Institute of Microbiology, Friedrich Schiller University Jena, Jena, Germany.,Research Group Microbial Immunology, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute (HKI), Jena, Germany.,Center for Sepsis Control and Care (CSCC), University Hospital Jena, Jena, Germany
| | - Ilse D Jacobsen
- Institute of Microbiology, Friedrich Schiller University Jena, Jena, Germany.,Research Group Microbial Immunology, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute (HKI), Jena, Germany.,Center for Sepsis Control and Care (CSCC), University Hospital Jena, Jena, Germany
| | - Hortense Slevogt
- Host Septomics Group, Centre for Innovation Competence (ZIK) Septomics, University Hospital Jena, Jena, Germany
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19
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Kelleher M, Singh R, O'Driscoll CM, Melgar S. Carcinoembryonic antigen (CEACAM) family members and Inflammatory Bowel Disease. Cytokine Growth Factor Rev 2019; 47:21-31. [PMID: 31133507 DOI: 10.1016/j.cytogfr.2019.05.008] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 05/15/2019] [Indexed: 02/07/2023]
Abstract
Inflammatory bowel disease (IBD), encompassing Crohn's disease (CD) and ulcerative colitis (UC), is a chronic intestinal inflammatory condition with increasing incidence worldwide and whose pathogenesis remains largely unknown. The collected evidence indicates that genetic, environmental and microbial factors and a dysregulated immune response are responsible for the disease. IBD has an early onset and long term sufferers present a higher risk of developing colitis associated cancer (CAC). The carcinoembryonic antigen-related adhesion molecules (CEACAM) are a subgroup of the CEA family, found in a range of different cell types and organs including epithelial cells in the intestine. They can act as intercellular adhesions molecules for e.g. bacteria and soluble antigens. CEACAMs are involved in a number of different processes including cell adhesion, proliferation, differentiation and tumour suppression. Some CEACAMs such as CEACAM1, CEACAM5 and CEACAM6 are highly associated with cancer and are even recognised as valid clinical markers for certain cancer forms. However, their role in IBD pathogenesis is less understood. The purpose of this review is to provide a comprehensive summary of published literature on CEACAMs and intestinal inflammation (IBD). The interactions between CEACAMs and bacteria adhesion in relation to IBD pathophysiology will be addressed and potential new therapeutic and diagnostic opportunities will be identified.
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Affiliation(s)
- Maebh Kelleher
- APC Microbiome Ireland, University College Cork, Cork, T12YT20, Ireland; Pharmacodelivery Group, School of Pharmacy, University College Cork, Cork, T12YT20, Ireland.
| | - Raminder Singh
- APC Microbiome Ireland, University College Cork, Cork, T12YT20, Ireland; Department of Medicine, University College Cork, Cork, T12YT20, Ireland.
| | - Caitriona M O'Driscoll
- Pharmacodelivery Group, School of Pharmacy, University College Cork, Cork, T12YT20, Ireland.
| | - Silvia Melgar
- APC Microbiome Ireland, University College Cork, Cork, T12YT20, Ireland.
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20
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Kim WM, Huang YH, Gandhi A, Blumberg RS. CEACAM1 structure and function in immunity and its therapeutic implications. Semin Immunol 2019; 42:101296. [PMID: 31604530 PMCID: PMC6814268 DOI: 10.1016/j.smim.2019.101296] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 08/01/2019] [Indexed: 12/13/2022]
Abstract
The type I membrane protein receptor carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) distinctively exhibits significant alternative splicing that allows for tunable functions upon homophilic binding. CEACAM1 is highly expressed in the tumor environment and is strictly regulated on lymphocytes such that its expression is restricted to activated cells where it is now recognized to function in tolerance pathways. CEACAM1 is also an important target for microbes which have co-opted these attributes of CEACAM1 for the purposes of invading the host and evading the immune system. These properties, among others, have focused attention on CEACAM1 as a unique target for immunotherapy in autoimmunity and cancer. This review examines recent structural information derived from the characterization of CEACAM1:CEACAM1 interactions and heterophilic modes of binding especially to microbes and how this relates to CEACAM1 function. Through this, we aim to provide insights into targeting CEACAM1 for therapeutic intervention.
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Affiliation(s)
- Walter M Kim
- Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA
| | - Yu-Hwa Huang
- Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA
| | - Amit Gandhi
- Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA
| | - Richard S Blumberg
- Division of Gastroenterology, Hepatology and Endoscopy, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA.
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21
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Ye S, Cowled CJ, Yap CH, Stambas J. Deep sequencing of primary human lung epithelial cells challenged with H5N1 influenza virus reveals a proviral role for CEACAM1. Sci Rep 2018; 8:15468. [PMID: 30341336 PMCID: PMC6195505 DOI: 10.1038/s41598-018-33605-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 09/25/2018] [Indexed: 12/26/2022] Open
Abstract
Current prophylactic and therapeutic strategies targeting human influenza viruses include vaccines and antivirals. Given variable rates of vaccine efficacy and antiviral resistance, alternative strategies are urgently required to improve disease outcomes. Here we describe the use of HiSeq deep sequencing to analyze host gene expression in primary human alveolar epithelial type II cells infected with highly pathogenic avian influenza H5N1 virus. At 24 hours post-infection, 623 host genes were significantly upregulated, including the cell adhesion molecule CEACAM1. H5N1 virus infection stimulated significantly higher CEACAM1 protein expression when compared to influenza A PR8 (H1N1) virus, suggesting a key role for CEACAM1 in influenza virus pathogenicity. Furthermore, silencing of endogenous CEACAM1 resulted in reduced levels of proinflammatory cytokine/chemokine production, as well as reduced levels of virus replication following H5N1 infection. Our study provides evidence for the involvement of CEACAM1 in a clinically relevant model of H5N1 infection and may assist in the development of host-oriented antiviral strategies.
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Affiliation(s)
- Siying Ye
- School of Medicine, Deakin University, Waurn Ponds, Victoria, Australia. .,AAHL CSIRO Deakin Collaborative Biosecurity Laboratory, East Geelong, Victoria, Australia.
| | | | - Cheng-Hon Yap
- University Hospital Geelong, Barwon Health, Geelong, Victoria, Australia
| | - John Stambas
- School of Medicine, Deakin University, Waurn Ponds, Victoria, Australia.,AAHL CSIRO Deakin Collaborative Biosecurity Laboratory, East Geelong, Victoria, Australia
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22
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Horst AK, Najjar SM, Wagener C, Tiegs G. CEACAM1 in Liver Injury, Metabolic and Immune Regulation. Int J Mol Sci 2018; 19:ijms19103110. [PMID: 30314283 PMCID: PMC6213298 DOI: 10.3390/ijms19103110] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/02/2018] [Accepted: 10/04/2018] [Indexed: 02/06/2023] Open
Abstract
Carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) is a transmembrane glycoprotein that is expressed on epithelial, endothelial and immune cells. CEACAM1 is a differentiation antigen involved in the maintenance of epithelial polarity that is induced during hepatocyte differentiation and liver regeneration. CEACAM1 regulates insulin sensitivity by promoting hepatic insulin clearance, and controls liver tolerance and mucosal immunity. Obese insulin-resistant humans with non-alcoholic fatty liver disease manifest loss of hepatic CEACAM1. In mice, deletion or functional inactivation of CEACAM1 impairs insulin clearance and compromises metabolic homeostasis which initiates the development of obesity and hepatic steatosis and fibrosis with other features of non-alcoholic steatohepatitis, and adipogenesis in white adipose depot. This is followed by inflammation and endothelial and cardiovascular dysfunctions. In obstructive and inflammatory liver diseases, soluble CEACAM1 is shed into human bile where it can serve as an indicator of liver disease. On immune cells, CEACAM1 acts as an immune checkpoint regulator, and deletion of Ceacam1 gene in mice causes exacerbation of inflammation and hyperactivation of myeloid cells and lymphocytes. Hence, hepatic CEACAM1 resides at the central hub of immune and metabolic homeostasis in both humans and mice. This review focuses on the regulatory role of CEACAM1 in liver and biliary tract architecture in health and disease, and on its metabolic role and function as an immune checkpoint regulator of hepatic inflammation.
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Affiliation(s)
- Andrea Kristina Horst
- Institute of Experimental Immunology and Hepatology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany.
| | - Sonia M Najjar
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Irvine Hall, 1 Ohio University, Athens, OH 45701-2979, USA.
- The Diabetes Institute, Heritage College of Osteopathic Medicine, Irvine Hall, 1 Ohio University, Athens, OH 45701-2979, USA.
| | - Christoph Wagener
- University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany.
| | - Gisa Tiegs
- Institute of Experimental Immunology and Hepatology, Center for Experimental Medicine, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251 Hamburg, Germany.
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Coassociation between Group B Streptococcus and Candida albicans Promotes Interactions with Vaginal Epithelium. Infect Immun 2018; 86:IAI.00669-17. [PMID: 29339458 DOI: 10.1128/iai.00669-17] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 12/26/2017] [Indexed: 12/13/2022] Open
Abstract
Group B Streptococcus (GBS) is a leading cause of neonatal sepsis, pneumonia, and meningitis worldwide. In the majority of cases, GBS is transmitted vertically from mother to neonate, making maternal vaginal colonization a key risk factor for neonatal disease. The fungus Candida albicans is an opportunistic pathogen of the female genitourinary tract and the causative agent of vaginal thrush. Carriage of C. albicans has been shown to be an independent risk factor for vaginal colonization by GBS. However, the nature of interactions between these two microbes is poorly understood. This study provides evidence of a reciprocal, synergistic interplay between GBS and C. albicans that may serve to promote their cocolonization of the vaginal mucosa. GBS strains NEM316 (serotype III) and 515 (serotype Ia) are shown to physically interact with C. albicans, with the bacteria exhibiting tropism for candidal hyphal filaments. This interaction enhances association levels of both microbes with the vaginal epithelial cell line VK2/E6E7. The ability of GBS to coassociate with C. albicans is dependent upon expression of the hypha-specific adhesin Als3. In turn, expression of GBS antigen I/II family adhesins (Bsp polypeptides) facilitates this coassociation and confers upon surrogate Lactococcus lactis the capacity to exhibit enhanced interactions with C. albicans on vaginal epithelium. As genitourinary tract colonization is an essential first step in the pathogenesis of GBS and C. albicans, the coassociation mechanism reported here may have important implications for the risk of disease involving both of these pathogens.
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