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Matsumoto H, Sudo R, Fujita Y, Onizawa M, Saito K, Sumichika Y, Yoshida S, Temmoku J, Matsuoka N, Asano T, Sato S, Suzuki E, Machida T, Migita K. Inhibition of CEACAM1 expression in cytokine-activated neutrophils using JAK inhibitors. BMC Immunol 2024; 25:63. [PMID: 39354368 PMCID: PMC11443749 DOI: 10.1186/s12865-024-00656-6] [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: 07/29/2023] [Accepted: 09/17/2024] [Indexed: 10/03/2024] Open
Abstract
OBJECTIVES Carcinoembryonic-antigen-related cell-adhesion molecule 1 (CEACAM1) is an adhesion molecule that acts as a coinhibitory receptor in the immune system. We previously demonstrated that CEACAM1 is predominantly expressed on peripheral blood neutrophils in patients with RA. The aim of the present study was to investigate the effects of Janus kinase inhibitors (JAKi) on cytokine-activated human neutrophils and CEACAM1 expression. METHODS Peripheral blood neutrophils were obtained from healthy subjects. Isolated neutrophils were stimulated with tumor necrosis factor-alpha (TNF-α) or granulocyte-macrophage colony-stimulating factor (GM-CSF) in the presence or absence of JAKi. The expression of CEACAM1 in peripheral blood neutrophils was analyzed by flow cytometry. Protein phosphorylation of signal transducer and activator of transcription (STAT)1, STAT3, and STAT5 was assessed by western blot using phospho-specific antibodies. RESULTS We found that TNF-α-induced CEACAM1 expression was marginally suppressed after pretreatment with pan-JAK inhibitor, tofacitinib. Moreover, TNF-α induced STAT1 and STAT3 phosphorylation at the late stimulation phase (4 to 16 h). The expressions of CEACAM1 on neutrophils were markedly up-regulated by GM-CSF not by interleukin (IL)-6 stimulation. All JAKi inhibited GM-CSF-induced CEACAM1 expressions on neutrophils, however, the inhibitory effects of baricitinib were larger compared to those of tofacitinib or filgotinib. Moreover, CEACAM1 was marginally upregulated in interferon (IFN)-γ stimulated neutrophils. Similarly, JAKi inhibited IFN-γ-induced CEACAM1 expressions on neutrophils. CONCLUSIONS We demonstrated that JAKi prevent GM-CSF-induced CEACAM1 expression in neutrophils, and JAKi-induced inhibition depends on their selectivity against JAK isoforms. These findings suggest that JAKi can modulate the expression of CEACAM1 in cytokine-activated neutrophils, thereby limiting their activation.
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Affiliation(s)
- Haruki Matsumoto
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Ryota Sudo
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Yuya Fujita
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Michio Onizawa
- Department of Gastroenterology and Hepatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Kenji Saito
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Yuya Sumichika
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Shuhei Yoshida
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Jumpei Temmoku
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Naoki Matsuoka
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Tomoyuki Asano
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Shuzo Sato
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Eiji Suzuki
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Takeshi Machida
- Department of Immunology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan
| | - Kiyoshi Migita
- Department of Rheumatology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan.
- Department of Rheumatology, St Francis Hospital, 1-80 Komine, Nagasaki, 852-8125, Japan.
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Gao H, Dong G, Yao Y, Yang H. Identification and validation of aging-related genes in neuropathic pain using bioinformatics. Front Genet 2024; 15:1430275. [PMID: 39113685 PMCID: PMC11303200 DOI: 10.3389/fgene.2024.1430275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Accepted: 07/04/2024] [Indexed: 08/10/2024] Open
Abstract
Background Neuropathic pain (NP) is a debilitating and refractory chronic pain with a higher prevalence especially in elderly patients. Cell senescence considered a key pathogenic factor in NP. The objective of this research is to discover genes associated with aging in peripheral blood of individuals with NP using bioinformatics techniques. Methods Two cohorts (GSE124272 and GSE150408) containing peripheral blood samples of NP were downloaded from the GEO database. By merging the two cohorts, differentially expressed aging-related genes (DE-ARGs) were obtained by intersection with aging-related genes. The potential biological mechanisms of DE-ARGs were further analyzed through GO and KEGG. Three machine learning methods, namely, LASSO, SVM-RFE, and Random Forest, were utilized to identify diagnostic biomarkers. A Nomogram model was developed to assess their diagnostic accuracy. The validation of biomarker expression and diagnostic effectiveness was conducted in three distinct pain cohorts. The CIBERSORT algorithm was employed to evaluate the immune cell composition in the peripheral blood of patients with NP and investigate its association with the expression of diagnostic biomarkers. Results This study identified a total of 24 DE-ARGs, mainly enriched in "Chemokine signaling pathway," "Inflammatory mediator regulation of TRP channels," "HIF-1 signaling pathway" and "FOXO signaling pathway". Three machine learning algorithms identified a total of four diagnostic biomarkers (CEBPA, CEACAM1, BTG3 and IL-1R1) with good diagnostic performance and the similar expression difference trend in different types of pain cohorts. The expression levels of CEACAM1 and IL-1R1 exhibit a positive correlation with the percentage of neutrophils. Conclusion Using machine learning techniques, our research identified four diagnostic biomarkers related to aging in peripheral blood, providing innovative approaches for the diagnosis and treatment of NP.
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Affiliation(s)
| | | | | | - Huayuan Yang
- School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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L’Estrange-Stranieri E, Gottschalk TA, Wright MD, Hibbs ML. The dualistic role of Lyn tyrosine kinase in immune cell signaling: implications for systemic lupus erythematosus. Front Immunol 2024; 15:1395427. [PMID: 39007135 PMCID: PMC11239442 DOI: 10.3389/fimmu.2024.1395427] [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: 03/03/2024] [Accepted: 06/17/2024] [Indexed: 07/16/2024] Open
Abstract
Systemic lupus erythematosus (SLE, lupus) is a debilitating, multisystem autoimmune disease that can affect any organ in the body. The disease is characterized by circulating autoantibodies that accumulate in organs and tissues, which triggers an inflammatory response that can cause permanent damage leading to significant morbidity and mortality. Lyn, a member of the Src family of non-receptor protein tyrosine kinases, is highly implicated in SLE as remarkably both mice lacking Lyn or expressing a gain-of-function mutation in Lyn develop spontaneous lupus-like disease due to altered signaling in B lymphocytes and myeloid cells, suggesting its expression or activation state plays a critical role in maintaining tolerance. The past 30 years of research has begun to elucidate the role of Lyn in a duplicitous signaling network of activating and inhibitory immunoreceptors and related targets, including interactions with the interferon regulatory factor family in the toll-like receptor pathway. Gain-of-function mutations in Lyn have now been identified in human cases and like mouse models, cause severe systemic autoinflammation. Studies of Lyn in SLE patients have presented mixed findings, which may reflect the heterogeneity of disease processes in SLE, with impairment or enhancement in Lyn function affecting subsets of SLE patients that may be a means of stratification. In this review, we present an overview of the phosphorylation and protein-binding targets of Lyn in B lymphocytes and myeloid cells, highlighting the structural domains of the protein that are involved in its function, and provide an update on studies of Lyn in SLE patients.
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Affiliation(s)
- Elan L’Estrange-Stranieri
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, VIC, Australia
| | - Timothy A. Gottschalk
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, VIC, Australia
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, Australia
- Department of Molecular and Translational Science, Monash University, Clayton, VIC, Australia
| | - Mark D. Wright
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, VIC, Australia
| | - Margaret L. Hibbs
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, VIC, Australia
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Lih TM, Cao L, Minoo P, Omenn GS, Hruban RH, Chan DW, Bathe OF, Zhang H. Detection of Pancreatic Ductal Adenocarcinoma-Associated Proteins in Serum. Mol Cell Proteomics 2024; 23:100687. [PMID: 38029961 PMCID: PMC10792492 DOI: 10.1016/j.mcpro.2023.100687] [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: 05/27/2023] [Revised: 11/14/2023] [Accepted: 11/24/2023] [Indexed: 12/01/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal cancer types, partly because it is frequently identified at an advanced stage, when surgery is no longer feasible. Therefore, early detection using minimally invasive methods such as blood tests may improve outcomes. However, studies to discover molecular signatures for the early detection of PDAC using blood tests have only been marginally successful. In the current study, a quantitative glycoproteomic approach via data-independent acquisition mass spectrometry was utilized to detect glycoproteins in 29 patient-matched PDAC tissues and sera. A total of 892 N-linked glycopeptides originating from 141 glycoproteins had PDAC-associated changes beyond normal variation. We further evaluated the specificity of these serum-detectable glycoproteins by comparing their abundance in 53 independent PDAC patient sera and 65 cancer-free controls. The PDAC tissue-associated glycoproteins we have identified represent an inventory of serum-detectable PDAC-associated glycoproteins as candidate biomarkers that can be potentially used for the detection of PDAC using blood tests.
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Affiliation(s)
- T Mamie Lih
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
| | - Liwei Cao
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Parham Minoo
- Department of Pathology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Gilbert S Omenn
- Departments of Computational Medicine & Bioinformatics, Internal Medicine, Human Genetics, and School of Public Health, University of Michigan, Ann Arbor, Michigan, USA
| | - Ralph H Hruban
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland, USA; The Sol Goldman Pancreatic Cancer Research Center, Johns Hopkins University, Baltimore, Maryland, USA; Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Daniel W Chan
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland, USA; Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Oliver F Bathe
- Departments of Surgery and Oncology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Hui Zhang
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland, USA; Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA; Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
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Liu Y, Song R, Lu Z, Zhao L, Zhan X, Li Y, Cao X. The RNA m 6A demethylase ALKBH5 drives emergency granulopoiesis and neutrophil mobilization by upregulating G-CSFR expression. Cell Mol Immunol 2024; 21:6-18. [PMID: 38114747 PMCID: PMC10757716 DOI: 10.1038/s41423-023-01115-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 11/29/2023] [Indexed: 12/21/2023] Open
Abstract
Emergency granulopoiesis and neutrophil mobilization that can be triggered by granulocyte colony-stimulating factor (G-CSF) through its receptor G-CSFR are essential for antibacterial innate defense. However, the epigenetic modifiers crucial for intrinsically regulating G-CSFR expression and the antibacterial response of neutrophils remain largely unclear. N6-methyladenosine (m6A) RNA modification and the related demethylase alkB homolog 5 (ALKBH5) are key epigenetic regulators of immunity and inflammation, but their roles in neutrophil production and mobilization are still unknown. We used cecal ligation and puncture (CLP)-induced polymicrobial sepsis to model systemic bacterial infection, and we report that ALKBH5 is required for emergency granulopoiesis and neutrophil mobilization. ALKBH5 depletion significantly impaired the production of immature neutrophils in the bone marrow of septic mice. In addition, Alkbh5-deficient septic mice exhibited higher retention of mature neutrophils in the bone marrow and defective neutrophil release into the circulation, which led to fewer neutrophils at the infection site than in their wild-type littermates. During bacterial infection, ALKBH5 imprinted production- and mobilization-promoting transcriptome signatures in both mouse and human neutrophils. Mechanistically, ALKBH5 erased m6A methylation on the CSF3R mRNA to increase the mRNA stability and protein expression of G-CSFR, consequently upregulating cell surface G-CSFR expression and downstream STAT3 signaling in neutrophils. The RIP-qPCR results confirmed the direct binding of ALKBH5 to the CSF3R mRNA, and the binding strength declined upon bacterial infection, accounting for the decrease in G-CSFR expression on bacteria-infected neutrophils. Considering these results collectively, we define a new role of ALKBH5 in intrinsically driving neutrophil production and mobilization through m6A demethylation-dependent posttranscriptional regulation, indicating that m6A RNA modification in neutrophils is a potential target for treating bacterial infections and neutropenia.
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Affiliation(s)
- Yang Liu
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China.
- Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences, Suzhou, China.
- Frontier Research Center for Cell Response, Institute of Immunology, College of Life Sciences, Nankai University, Tianjin, China.
| | - Renjie Song
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Zhike Lu
- School of Life Sciences, Westlake University, Hangzhou, China
| | - Lu Zhao
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Xinyi Zhan
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Yini Li
- School of Life Sciences, Westlake University, Hangzhou, China
| | - Xuetao Cao
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
- Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences, Suzhou, China
- Frontier Research Center for Cell Response, Institute of Immunology, College of Life Sciences, Nankai University, Tianjin, China
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Wang Y, Cao Y, Han L, Wang L, Huang Y, Zhao L, Bi Y, Liu G. Deacetylase sirtuin 2 negatively regulates myeloid-derived suppressor cell functions in allograft rejection. Am J Transplant 2023; 23:1845-1857. [PMID: 37633450 DOI: 10.1016/j.ajt.2023.08.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 08/20/2023] [Accepted: 08/21/2023] [Indexed: 08/28/2023]
Abstract
Although myeloid-derived suppressor cells (MDSCs) are critical for allograft survival, their regulatory mechanism remains unclear. Herein, our results showed that metabolism sensor sirtuin 2 (SIRT2) negatively regulates the functions of MDSCs in inducing allogeneic skin graft rejection. Genetic deletion of SIRT2 in myeloid cells (Sirt2Δmye) increased the number of CD11b+Gr1+ MDSCs in bone marrow, spleens, draining lymph nodes, and allografts, inhibited the production of proinflammatory cytokine tumor necrosis factor ɑ, enhanced the production of anti-inflammatory cytokine interleukin 10, and potentiated the suppressive activation of MDSCs in prolonging allograft skin survival. C-X-C motif chemokine receptor 2 is critical for mediating the recruitment and cytokine production of MDSCs induced by SIRT2. Mechanistically, Sirt2Δmye enhanced NAD+ levels, succinate dehydrogenase subunit A (SDHA) activities, and oxidative phosphorylation (OXPHOS) levels in MDSCs after transplantation. Pharmacologically blocking nicotinamide phosphoribosyltransferase effectively reverses the production of cytokines and suppressive activities of MDSC induced by Sirt2Δmye. Blocking OXPHOS with knockdown of SDHA or pharmacological blocking of SDHA significantly restores Sirt2Δmye-mediated stronger MDSC suppressive activity and inflammatory factor productions. Thus, our findings identify a previously unrecognized interplay between NAD+ and SDH-mediated OXPHOS metabolic pathways in regulating MDSC functions induced by the metabolic sensor SIRT2 in allogeneic transplantation.
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Affiliation(s)
- Yufei Wang
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China
| | - Yejin Cao
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China
| | - Linian Han
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China
| | - Likun Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Yijin Huang
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China
| | - Longhao Zhao
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China
| | - Yujing Bi
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China.
| | - Guangwei Liu
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875, China.
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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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Zhang Y, Wang Y, Wu W, Liu P, Sun S, Hong M, Yuan Y, Xia Q, Chen Z. Elevation of neutrophil carcinoembryonic antigen-related cell adhesion molecule 1 associated with multiple inflammatory mediators was related to different clinical stages in ischemic stroke patients. J Clin Lab Anal 2022; 36:e24526. [PMID: 35657334 PMCID: PMC9279952 DOI: 10.1002/jcla.24526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/20/2022] [Accepted: 04/27/2022] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND We aimed to analyze the level of carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) in neutrophils of ischemic stroke (IS) patients at different stages, together with its roles in neutrophils. PATIENTS AND METHODS Sixty-seven patients were classified into acute phase group (n = 19), subacute phase group (n = 28), and stable phase group (n = 20), and 20 healthy individuals who had received physical examination at the same time period as healthy control. We then analyzed the expression level of CEACAM1 and cell viability in CEACAM1 positive and CEACAM1 negative neutrophils by flow cytometry and the content of plasma CEACAM1, neutrophil gelatinase-associated lipocalin (NGAL), matrix metalloproteinases-9 (MMP-9) was measured using enzyme-linked immunosorbent assay (ELISA), while that of interleukin-10 (IL-10) and tumor necrosis factor (TNF) was determined using a Human Enhanced Sensitivity Flex set. RESULTS Compared with healthy control, the percentage of CEACAM1 positive neutrophils in IS patients showed a significant increase, and a significant increase was also noticed in the content of plasma CEACAM1 at the subacute stage. Reduction in cell viability was observed in CEACAM1 positive neutrophils compared with CEACAM1 negative counterparts. There was a positive correlation between CEACAM1 expression rate in neutrophils and plasma CEACAM1 and IL-10 content in the subacute group. Compared with acute group and healthy control group, there was an instinct increase in the level of plasma MMP-9 and NGAL in subacute group. CONCLUSIONS Our data showed that there was a rapid increase of CEACAM1 in neutrophils at the acute stage of IS. We speculated that CEACAM1 may serve as an inhibitory regulator involving in the progression of IS.
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Affiliation(s)
- Yi Zhang
- Department of Laboratory MedicineThe First Affiliated Hospital, Zhejiang University School of MedicineHangzhouChina
- Key Laboratory of Clinical In Vitro Diagnostic Techniques of Zhejiang ProvinceHangzhouChina
| | - Yijie Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesThe First Affiliated Hospital, Zhejiang University School of MedicineHangzhouChina
| | - Wei Wu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesThe First Affiliated Hospital, Zhejiang University School of MedicineHangzhouChina
| | - Ping Liu
- Department of NeurologyThe First Affiliated Hospital, Zhejiang University School of MedicineHangzhouChina
| | - Shanshan Sun
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesThe First Affiliated Hospital, Zhejiang University School of MedicineHangzhouChina
| | - Meng Hong
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesThe First Affiliated Hospital, Zhejiang University School of MedicineHangzhouChina
| | - Yuan Yuan
- Department of NeurologyThe First Affiliated Hospital, Zhejiang University School of MedicineHangzhouChina
| | - Qi Xia
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesThe First Affiliated Hospital, Zhejiang University School of MedicineHangzhouChina
| | - Zhi Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesThe First Affiliated Hospital, Zhejiang University School of MedicineHangzhouChina
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Zhang Z, La Placa D, Gugiu G, Thunen A, Le K, Shively JE. Reversal of obesity development in Ceacam1 -/- male mice by bone marrow transplantation or introduction of the human CEACAM1 gene. Obesity (Silver Spring) 2022; 30:1351-1356. [PMID: 35785480 PMCID: PMC9541698 DOI: 10.1002/oby.23457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 03/20/2022] [Accepted: 04/08/2022] [Indexed: 11/07/2022]
Abstract
OBJECTIVE Although Ceacam1-/- male mice become obese on normal chow, the effect of bone marrow transplantation or introduction of the carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) gene has not been studied, to the knowledge of the authors. METHODS This study analyzed Ceacam1-/- mice on normal diet or high-fat diet (HFD), including effects of bone marrow transplantation or introduction of the CEACAM1 gene. RESULTS Male Ceacam1-/- mice on normal diet versus HFD for 24 weeks gained significantly more weight than controls, and Ceacam1-/- mice aged up to 2 years had a high frequency of liver cancer. Transplantation of wild-type bone marrow into Ceacam1-/- mice or introduction of the human CEACAM1 gene fully or partially reversed the obesity phenotype. Liver lipidomics on Ceacam1-/- versus wild-type controls on an HFD revealed a significant increase in diacyl glycerides. An increase in fatty acid transporter CD36 levels further suggests that loss of Ceacam1 leads to a major dysregulation of free fatty acid uptake. CONCLUSIONS CEACAM1 expression in both the liver and immune cells regulates obesity and lipid storage pathways in the liver. Bone marrow reconstitution of the immune system or introduction of the human CEACAM1 gene can fully or partially reverse the phenotype.
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Affiliation(s)
- Zhifang Zhang
- Department of Immunology & TheranosticsArthur Riggs Diabetes and Metabolism Research Institute, City of Hope Cancer CenterDuarteCaliforniaUSA
| | - Deirdre La Placa
- Department of Immunology & TheranosticsArthur Riggs Diabetes and Metabolism Research Institute, City of Hope Cancer CenterDuarteCaliforniaUSA
| | - Gabriel Gugiu
- Department of Immunology & TheranosticsArthur Riggs Diabetes and Metabolism Research Institute, City of Hope Cancer CenterDuarteCaliforniaUSA
| | - Alyssa Thunen
- Department of Immunology & TheranosticsArthur Riggs Diabetes and Metabolism Research Institute, City of Hope Cancer CenterDuarteCaliforniaUSA
- Irell and Manella Graduate School of Biological Sciences, City of Hope Cancer CenterDuarteCaliforniaUSA
| | - Keith Le
- Department of Immunology & TheranosticsArthur Riggs Diabetes and Metabolism Research Institute, City of Hope Cancer CenterDuarteCaliforniaUSA
| | - John E. Shively
- Department of Immunology & TheranosticsArthur Riggs Diabetes and Metabolism Research Institute, City of Hope Cancer CenterDuarteCaliforniaUSA
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Li Y, Jia A, Yang H, Wang Y, Wang Y, Yang Q, Cao Y, Bi Y, Liu G. Protein Tyrosine Phosphatase PTPRO Signaling Couples Metabolic States to Control the Development of Granulocyte Progenitor Cells. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:1434-1444. [PMID: 35246496 DOI: 10.4049/jimmunol.2100878] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 12/30/2021] [Indexed: 06/14/2023]
Abstract
Protein tyrosine phosphatase (PTPase) is critically involved in the regulation of hematopoietic stem cell development and differentiation. Roles of novel isolated receptor PTPase PTPRO from bone marrow hematopoietic stem cells in granulopoiesis have not been investigated. PTPRO expression is correlated with granulocytic differentiation, and Ptpro -/- mice developed neutrophilia, with an expanded granulocytic compartment resulting from a cell-autonomous increase in the number of granulocyte progenitors under steady-state and potentiated innate immune responses against Listeria monocytogenes infection. Mechanistically, mTOR and HIF1α signaling engaged glucose metabolism and initiated a transcriptional program involving the lineage decision factor C/EBPα, which is critically required for the PTPRO deficiency-directed granulopoiesis. Genetic ablation of mTOR or HIF1α or perturbation of glucose metabolism suppresses progenitor expansion, neutrophilia, and higher glycolytic activities by Ptpro -/- In addition, Ptpro -/- upregulated HIF1α regulates the lineage decision factor C/EBPα promoter activities. Thus, our findings identify a previously unrecognized interplay between receptor PTPase PTPRO signaling and mTOR-HIF1α metabolic reprogramming in progenitor cells of granulocytes that underlies granulopoiesis.
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Affiliation(s)
- Yan Li
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Anna Jia
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Hui Yang
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China; and
| | - Yuexin Wang
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Yufei Wang
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Qiuli Yang
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Yejin Cao
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Yujing Bi
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Guangwei Liu
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing, China;
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11
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Wu H, Zhu JQ, Xu XF, Xing H, Wang MD, Liang L, Li C, Jia HD, Shen F, Huang DS, Yang T. Biointerfacing Antagonizing T-Cell Inhibitory Nanoparticles Potentiate Hepatocellular Carcinoma Checkpoint Blockade Therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2105237. [PMID: 34791793 DOI: 10.1002/smll.202105237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 10/13/2021] [Indexed: 06/13/2023]
Abstract
Hepatocellular carcinoma (HCC) is one of the most fatal malignancies with few effective treatment options all around the world. The efficacy of the arisen immune checkpoint therapy is still uncertain due to local immunosuppression. In order to further overcome T cell suppression in the tumor immune microenvironment while promoting the immune response of antigen-presenting cells, a biointerfacing antagonizing T-cell inhibitory nanoparticles (BAT NPs) has been developed by cloaking platelet membrane on the PLGA microsphere surface to load T-cell immunoglobulin domain and mucin domain-3 antibodies (anti-TIM-3) as well as PD-L1. Notably, in addition to activating the proliferation and migration of T cells, the contained anti-TIM-3 can cooperate with PD-L1 checkpoint blockade to exert therapeutic effects. Furthermore, the components of BAT NPs like anti-TIM-3 and platelet can act together for collagen deposition in tumor starvation treatment. Thus, a novel targeting therapeutic strategy that can effectively reverse the immune-inhibiting microenvironment is effectively applied to PD-L1 checkpoint combination therapy. Such therapeutic effect can subsequently activate the effector T lymphocytes and antigen presentation of dendritic cells as well as the polarization of M1-type macrophages. Last, the study presented the synergistic effect of immune therapeutic adjuvants and BAT NPs components in achieving tumor inhibition and prolonging tumor-burden survival.
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Affiliation(s)
- Han Wu
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, 310014, China
- School of Clinical Medicine, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
- Department of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University (Naval Medical University), Shanghai, 200438, China
| | - Jia-Qi Zhu
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, 310014, China
- School of Clinical Medicine, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
- Department of Hepatobiliary, Pancreatic and Minimal Invasive Surgery, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, Zhejiang, 310014, China
| | - Xin-Fei Xu
- Department of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University (Naval Medical University), Shanghai, 200438, China
| | - Hao Xing
- Department of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University (Naval Medical University), Shanghai, 200438, China
| | - Ming-Da Wang
- Department of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University (Naval Medical University), Shanghai, 200438, China
| | - Lei Liang
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, 310014, China
- School of Clinical Medicine, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
- Department of Hepatobiliary, Pancreatic and Minimal Invasive Surgery, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, Zhejiang, 310014, China
| | - Chao Li
- Department of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University (Naval Medical University), Shanghai, 200438, China
| | - Hang-Dong Jia
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, 310014, China
- School of Clinical Medicine, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Feng Shen
- Department of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University (Naval Medical University), Shanghai, 200438, China
| | - Dong-Sheng Huang
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, 310014, China
- School of Clinical Medicine, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Tian Yang
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, 310014, China
- School of Clinical Medicine, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
- Department of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University (Naval Medical University), Shanghai, 200438, China
- Department of Hepatobiliary, Pancreatic and Minimal Invasive Surgery, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, Zhejiang, 310014, China
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12
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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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13
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Fan Z, Pathak JL, Ge L. The Potential Role of RP105 in Regulation of Inflammation and Osteoclastogenesis During Inflammatory Diseases. Front Cell Dev Biol 2021; 9:713254. [PMID: 34414191 PMCID: PMC8369417 DOI: 10.3389/fcell.2021.713254] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 07/09/2021] [Indexed: 11/16/2022] Open
Abstract
Inflammatory diseases have a negative impact on bone homeostasis via exacerbated local and systemic inflammation. Bone resorbing osteoclasts are mainly derived from hematopoietic precursors and bone marrow monocytes. Induced osteoclastogenesis during inflammation, autoimmunity, metabolic diseases, and cancers is associated with bone loss and osteoporosis. Proinflammatory cytokines, pathogen-associated molecular patterns, or endogenous pathogenic factors induce osteoclastogenic differentiation by binding to the Toll-like receptor (TLR) family expressed on surface of osteoclast precursors. As a non-canonical member of the TLRs, radioprotective 105 kDa (RP105 or CD180) and its ligand, myeloid differentiation protein 1 (MD1), are involved in several bone metabolic disorders. Reports from literature had demonstrated RP105 as an important activator of B cells, bone marrow monocytes, and macrophages, which regulates inflammatory cytokines release from immune cells. Reports from literature had shown the association between RP105 and other TLRs, and the downstream signaling mechanisms of RP105 with different “signaling-competent” partners in immune cells during different disease conditions. This review is focused to summarize: (1) the role of RP105 on immune cells’ function and inflammation regulation (2) the potential regulatory roles of RP105 in different disease-mediated osteoclast activation and the underlying mechanisms, and (3) the different “signaling-competent” partners of RP105 that regulates osteoclastogenesis.
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Affiliation(s)
- Zhou Fan
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, China
| | - Janak L Pathak
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, China
| | - Linhu Ge
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, China.,Institute of Oral Disease, Guangzhou Medical University, Guangzhou, China
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14
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Jing Y, Zhang Y, Wang J, Li K, Chen X, Heng J, Gao Q, Ye Y, Zhang Z, Liu Y, Lou Y, Lin SH, Diao L, Liu H, Chen X, Mills GB, Han L. Association Between Sex and Immune-Related Adverse Events During Immune Checkpoint Inhibitor Therapy. J Natl Cancer Inst 2021; 113:1396-1404. [PMID: 33705549 DOI: 10.1093/jnci/djab035] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/18/2020] [Accepted: 03/08/2021] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Accumulated evidence supports the existence of sex-associated differences in immune systems. Understanding the role of sex in immune-related adverse events (irAEs) is important for management of irAE in patients receiving immunotherapy. METHODS We performed meta-analysis on published clinical study data and multivariable logistic regression on pharmacovigilance data and applied a propensity algorithm to The Cancer Genome Atlas (TCGA) omics data. We further validated our observations in two independent in-house cohorts of 179 and 767 cancer patients treated with immune checkpoint inhibitors. RESULTS A meta-analysis using 13 clinical studies that reported on 1,096 female patients (36.8%, 95% confidence interval [CI] = 35.0%-38.5%) and 1,886 male patients (63.2%, 95% CI = 61.5%-65.0%) demonstrated no statistically significant irAE risk difference between the sexes (odds ratio [OR] = 1.19; 95% CI = 0.91-1.54; 2-sided P = 0.21). Multivariable logistic regression analysis of 12,225 patients from FAERS and 10,979 patients from VigiBase showed no statistically significant difference in irAEs by sex. A propensity score algorithm used on multi-omics data for 6,019 patients from TCGA found no statistically significant difference by sex for irAE-related factors/pathways. The retrospective analysis of two in-house patient cohorts validated these results (OR = 1.55, 95% CI = 0.98-2.47; FDR = 0.13, for cohort 1; OR = 1.16, 95%CI = 0.86-1.57; FDR = 0.39, for cohort 2). CONCLUSION We observed minimal sex-associated differences in irAEs among cancer patients who received immune checkpoint inhibitor therapy. It may be unnecessary to consider gender effects for irAE management in clinical practice.
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Affiliation(s)
- Ying Jing
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, TX, USA.,Clinical Research Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yongchang Zhang
- Department of Medical Oncology, Lung Cancer and Gastrointestinal Unit, Hunan cancer hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Jing Wang
- Early Clinical Trial Center, Office of National Drug Clinical Trial Institution, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Kunyan Li
- Early Clinical Trial Center, Office of National Drug Clinical Trial Institution, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Xue Chen
- Early Clinical Trial Center, Office of National Drug Clinical Trial Institution, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Jianfu Heng
- Early Clinical Trial Center, Office of National Drug Clinical Trial Institution, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Qian Gao
- Department of Dermatology, Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Clinical Research Center for Cancer Immunotherapy, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Youqiong Ye
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, TX, USA
| | - Zhao Zhang
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, TX, USA
| | - Yaoming Liu
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, TX, USA
| | - Yanyan Lou
- Division of Hematology and Oncology, Mayo Clinic, Jacksonville, FL, USA
| | - Steven H Lin
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Lixia Diao
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hong Liu
- Department of Dermatology, Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Clinical Research Center for Cancer Immunotherapy, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiang Chen
- Department of Dermatology, Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Clinical Research Center for Cancer Immunotherapy, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Gordon B Mills
- Knight Cancer Institute, Oregon Health and Science University, Portland, OR, USA
| | - Leng Han
- Department of Biochemistry and Molecular Biology, The University of Texas Health Science Center at Houston McGovern Medical School, Houston, TX, USA.,Center for Epigenetics and Disease Prevention, Institute of Biosciences and Technology, Texas A&M University, Houston, TX, USA.,Department of Translational Medical Sciences, College of Medicine, Texas A&M University, Houston, TX, USA
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15
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Luebke AM, Ricken W, Kluth M, Hube-Magg C, Schroeder C, Büscheck F, Möller K, Dum D, Höflmayer D, Weidemann S, Fraune C, Hinsch A, Wittmer C, Schlomm T, Huland H, Heinzer H, Graefen M, Haese A, Minner S, Simon R, Sauter G, Wilczak W, Meiners J. Loss of the adhesion molecule CEACAM1 is associated with early biochemical recurrence in TMPRSS2:ERG fusion-positive prostate cancers. Int J Cancer 2020; 147:575-583. [PMID: 32150281 DOI: 10.1002/ijc.32957] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 02/12/2020] [Accepted: 03/02/2020] [Indexed: 12/16/2022]
Abstract
Altered expression of the carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) has been linked to adverse tumor features in various cancer types. To better understand the role of CEACAM1 in prostate cancer, we analyzed a tissue microarray containing tumor spots from 17,747 prostate cancer patients by means of immunohistochemistry. Normal prostate glands showed intense membranous CEACAM1 positivity. Immunostaining was interpretable in 13,625 cancers and was considered high in 28%, low in 43% and absent in 29% of tumors. Low and lost CEACAM1 expression was strongly linked to adverse tumor features including high classical and quantitative Gleason grade, lymph node metastasis, advanced tumor stage, positive surgical margin, a high number of genomic deletions and early biochemical recurrence (p < 0.0001 each). Subset analysis of molecularly defined cancer subsets revealed that these associations were strongest in V-ets avian erythroblastosis virus E26 oncogene homolog (ERG) fusion-positive cancers and that CEACAM1 loss was prognostic even in tumors harboring genomic deletions of the phosphatase and tensin homolog tumor suppressor (p < 0.0001). Multivariate analysis suggested that CEACAM1 analysis can provide independent prognostic information beyond established prognosis parameters at the stage of the initial biopsy when therapy decisions must be taken. In conclusion, loss of CEACAM1 expression predicts poor prognosis in prostate cancer and might provide clinically useful prognostic information particularly in cancers harboring the TMPRSS2:ERG fusion.
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Affiliation(s)
- Andreas M Luebke
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Wiebke Ricken
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Martina Kluth
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Claudia Hube-Magg
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Cornelia Schroeder
- General, Visceral and Thoracic Surgery Department and Clinic, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Franziska Büscheck
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Katharina Möller
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - David Dum
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Doris Höflmayer
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sören Weidemann
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christoph Fraune
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Andrea Hinsch
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Corinna Wittmer
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thorsten Schlomm
- Department of Urology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Hartwig Huland
- Martini-Clinic, Prostate Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Hans Heinzer
- Martini-Clinic, Prostate Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Markus Graefen
- Martini-Clinic, Prostate Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Alexander Haese
- Martini-Clinic, Prostate Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sarah Minner
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ronald Simon
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Guido Sauter
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Waldemar Wilczak
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jan Meiners
- General, Visceral and Thoracic Surgery Department and Clinic, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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16
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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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17
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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: 57] [Impact Index Per Article: 11.4] [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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Size Matters: The Functional Role of the CEACAM1 Isoform Signature and Its Impact for NK Cell-Mediated Killing in Melanoma. Cancers (Basel) 2019; 11:cancers11030356. [PMID: 30871206 PMCID: PMC6468645 DOI: 10.3390/cancers11030356] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 02/21/2019] [Accepted: 03/09/2019] [Indexed: 12/22/2022] Open
Abstract
Malignant melanoma is the most aggressive and treatment resistant type of skin cancer. It is characterized by continuously rising incidence and high mortality rate due to its high metastatic potential. Various types of cell adhesion molecules have been implicated in tumor progression in melanoma. One of these, the carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1), is a multi-functional receptor protein potentially expressed in epithelia, endothelia, and leukocytes. CEACAM1 often appears in four isoforms differing in the length of their extracellular and intracellular domains. Both the CEACAM1 expression in general, and the ratio of the expressed CEACAM1 splice variants appear very dynamic. They depend on both the cell activation stage and the cell growth phase. Interestingly, normal melanocytes are negative for CEACAM1, while melanomas often show high expression. As a cell–cell communication molecule, CEACAM1 mediates the direct interaction between tumor and immune cells. In the tumor cell this interaction leads to functional inhibitions, and indirectly to decreased cancer cell immunogenicity by down-regulation of ligands of the NKG2D receptor. On natural killer (NK) cells it inhibits NKG2D-mediated cytolysis and signaling. This review focuses on novel mechanistic insights into CEACAM1 isoforms for NK cell-mediated immune escape mechanisms in melanoma, and their clinical relevance in patients suffering from malignant melanoma.
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Zhang Z, La Placa D, Nguyen T, Kujawski M, Le K, Li L, Shively JE. CEACAM1 regulates the IL-6 mediated fever response to LPS through the RP105 receptor in murine monocytes. BMC Immunol 2019; 20:7. [PMID: 30674283 PMCID: PMC6345024 DOI: 10.1186/s12865-019-0287-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 01/11/2019] [Indexed: 12/12/2022] Open
Abstract
Background Systemic inflammation and the fever response to pathogens are coordinately regulated by IL-6 and IL-1β. We previously showed that CEACAM1 regulates the LPS driven expression of IL-1β in murine neutrophils through its ITIM receptor. Results We now show that the prompt secretion of IL-6 in response to LPS is regulated by CEACAM1 expression on bone marrow monocytes. Ceacam1−/− mice over-produce IL-6 in response to an i.p. LPS challenge, resulting in prolonged surface temperature depression and overt diarrhea compared to their wild type counterparts. Intraperitoneal injection of a 64Cu-labeled LPS, PET imaging agent shows confined localization to the peritoneal cavity, and fluorescent labeled LPS is taken up by myeloid splenocytes and muscle endothelial cells. While bone marrow monocytes and their progenitors (CD11b+Ly6G−) express IL-6 in the early response (< 2 h) to LPS in vitro, these cells are not detected in the bone marrow after in vivo LPS treatment perhaps due to their rapid and complete mobilization to the periphery. Notably, tissue macrophages are not involved in the early IL-6 response to LPS. In contrast to human monocytes, TLR4 is not expressed on murine bone marrow monocytes. Instead, the alternative LPS receptor RP105 is expressed and recruits MD1, CD14, Src, VAV1 and β-actin in response to LPS. CEACAM1 negatively regulates RP105 signaling in monocytes by recruitment of SHP-1, resulting in the sequestration of pVAV1 and β-actin from RP105. Conclusion This novel pathway and regulation of IL-6 signaling by CEACAM1 defines a novel role for monocytes in the fever response of mice to LPS. Electronic supplementary material The online version of this article (10.1186/s12865-019-0287-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Zhifang Zhang
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, 1500E Duarte Road, Duarte, CA91010, USA.
| | - Deirdre La Placa
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, 1500E Duarte Road, Duarte, CA91010, USA
| | - Tung Nguyen
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, 1500E Duarte Road, Duarte, CA91010, USA
| | - Maciej Kujawski
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, 1500E Duarte Road, Duarte, CA91010, USA
| | - Keith Le
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, 1500E Duarte Road, Duarte, CA91010, USA
| | - Lin Li
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, 1500E Duarte Road, Duarte, CA91010, USA
| | - John E Shively
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, 1500E Duarte Road, Duarte, CA91010, USA.
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Negri L, Ferrara N. The Prokineticins: Neuromodulators and Mediators of Inflammation and Myeloid Cell-Dependent Angiogenesis. Physiol Rev 2018. [PMID: 29537336 DOI: 10.1152/physrev.00012.2017] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The mammalian prokineticins family comprises two conserved proteins, EG-VEGF/PROK1 and Bv8/PROK2, and their two highly related G protein-coupled receptors, PKR1 and PKR2. This signaling system has been linked to several important biological functions, including gastrointestinal tract motility, regulation of circadian rhythms, neurogenesis, angiogenesis and cancer progression, hematopoiesis, and nociception. Mutations in PKR2 or Bv8/PROK2 have been associated with Kallmann syndrome, a developmental disorder characterized by defective olfactory bulb neurogenesis, impaired development of gonadotropin-releasing hormone neurons, and infertility. Also, Bv8/PROK2 is strongly upregulated in neutrophils and other inflammatory cells in response to granulocyte-colony stimulating factor or other myeloid growth factors and functions as a pronociceptive mediator in inflamed tissues as well as a regulator of myeloid cell-dependent tumor angiogenesis. Bv8/PROK2 has been also implicated in neuropathic pain. Anti-Bv8/PROK2 antibodies or small molecule PKR inhibitors ameliorate pain arising from tissue injury and inhibit angiogenesis and inflammation associated with tumors or some autoimmune disorders.
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Affiliation(s)
- Lucia Negri
- Sapienza University of Rome, Rome, Italy ; and University of California, San Diego, La Jolla, California
| | - Napoleone Ferrara
- Sapienza University of Rome, Rome, Italy ; and University of California, San Diego, La Jolla, California
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21
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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: 41] [Impact Index Per Article: 6.8] [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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22
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CEACAM1 promotes CD8 + T cell responses and improves control of a chronic viral infection. Nat Commun 2018; 9:2561. [PMID: 29967450 PMCID: PMC6028648 DOI: 10.1038/s41467-018-04832-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 05/23/2018] [Indexed: 12/26/2022] Open
Abstract
Dysfunction of CD8+ T cells can lead to the development of chronic viral infection. Identifying mechanisms responsible for such T cell dysfunction is therefore of great importance to understand how to prevent persistent viral infection. Here we show using lymphocytic choriomeningitis virus (LCMV) infection that carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) is fundamental for recruiting lymphocyte-specific protein kinase (Lck) into the T cell receptor complex to form an efficient immunological synapse. CEACAM1 is essential for activation of CD8+ T cells, and the absence of CEACAM1 on virus-specific CD8+ T cells limits the antiviral CD8+ T cell response. Treatment with anti-CEACAM1 antibody stabilizes Lck in the immunological synapse, prevents CD8+ T cell exhaustion, and improves control of virus infection in vivo. Treatment of human virus-specific CD8+ T cells with anti-CEACAM1 antibody similarly enhances their proliferation. We conclude that CEACAM1 is an important regulator of virus-specific CD8+ T cell functions in mice and humans and represents a promising therapeutic target for modulating CD8+ T cells. Chronic viral infections are frequently associated with the dysfunction of CD8+ T cells which includes loss of function and results in CD8+ T cell exhaustion. Here the authors show a role of CEACAM1 in promoting responsive CD8+ T cells in the context of a chronic lymphocytic choriomeningitis virus (LCMV) infection model.
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23
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Arabzadeh A, McGregor K, Breton V, Van Der Kraak L, Akavia UD, Greenwood CMT, Beauchemin N. EphA2 signaling is impacted by carcinoembryonic antigen cell adhesion molecule 1-L expression in colorectal cancer liver metastasis in a cell context-dependent manner. Oncotarget 2017; 8:104330-104346. [PMID: 29262644 PMCID: PMC5732810 DOI: 10.18632/oncotarget.22236] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 10/05/2017] [Indexed: 12/12/2022] Open
Abstract
We have shown that carcinoembryonic antigen cell adhesion molecule 1 long isoform (CEACAM1-L) expression in MC38 metastatic colorectal cancer (CRC) cells results in liver metastasis inhibition via CCL2 and STAT3 signaling. But other molecular mechanisms orchestrating CEACAM1-L-mediated metastasis inhibition remain to be defined. We screened a panel of mouse and human CRC cells and evaluated their metastatic outcome after CEACAM1 overexpression or downregulation. An unbiased transcript profiling and a phospho-receptor tyrosine kinase screen comparing MC38 CEACAM1-L-expressing and non-expressing (CT) CRC cells revealed reduced ephrin type-A receptor 2 (EPHA2) expression and activity. An EPHA2-specific inhibitor reduced EPHA2 downstream signaling in CT cells similar to that in CEACAM1-L cells with decreased proliferation and migration. Human CRC patients exhibiting high CEACAM1 in combination with low EPHA2 expression benefited from longer time to first recurrence/metastasis compared to those with high EPHA2 expression. With the added interaction of CEACAM6, we denoted that CEACAM1 high- and EPHA2 low-expressing patient samples with lower CEACAM6 expression also exhibited a longer time to first recurrence/metastasis. In HT29 human CRC cells, down-regulation of CEACAM1 along with CEA and CEACAM6 up-regulation led to higher metastatic burden. Overall, CEACAM1-L expression in poorly differentiated CRC can inhibit liver metastasis through cell context-dependent EPHA2-mediated signaling. However, CEACAM1’s role should be considered in the presence of other CEACAM family members.
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Affiliation(s)
- Azadeh Arabzadeh
- Goodman Cancer Research Centre, McGill University, Montreal, QC, Canada
| | - Kevin McGregor
- Department of Epidemiology, Biostatistics & Occupational Health, McGill University, Montreal, QC, Canada
| | - Valérie Breton
- Goodman Cancer Research Centre, McGill University, Montreal, QC, Canada
| | - Lauren Van Der Kraak
- Goodman Cancer Research Centre, McGill University, Montreal, QC, Canada.,Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - Uri David Akavia
- Goodman Cancer Research Centre, McGill University, Montreal, QC, Canada.,Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - Celia M T Greenwood
- Department of Epidemiology, Biostatistics & Occupational Health, McGill University, Montreal, QC, Canada.,Lady Davis Institute, Jewish General Hospital, Montreal, QC, Canada.,Departments of Oncology and Human Genetics, McGill University, Montreal, QC, Canada
| | - Nicole Beauchemin
- Goodman Cancer Research Centre, McGill University, Montreal, QC, Canada.,Department of Biochemistry, McGill University, Montreal, QC, Canada.,Departments of Medicine and Oncology, McGill University, Montreal, QC, Canada
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24
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Abram CL, Lowell CA. Shp1 function in myeloid cells. J Leukoc Biol 2017; 102:657-675. [PMID: 28606940 DOI: 10.1189/jlb.2mr0317-105r] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 05/01/2017] [Accepted: 05/02/2017] [Indexed: 01/28/2023] Open
Abstract
The motheaten mouse was first described in 1975 as a model of systemic inflammation and autoimmunity, as a result of immune system dysregulation. The phenotype was later ascribed to mutations in the cytoplasmic tyrosine phosphatase Shp1. This phosphatase is expressed widely throughout the hematopoietic system and has been shown to impact a multitude of cell signaling pathways. The determination of which cell types contribute to the different aspects of the phenotype caused by global Shp1 loss or mutation and which pathways within these cell types are regulated by Shp1 is important to further our understanding of immune system regulation. In this review, we focus on the role of Shp1 in myeloid cells and how its dysregulation affects immune function, which can impact human disease.
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Affiliation(s)
- Clare L Abram
- Department of Laboratory Medicine and Immunology Program, University of California, San Francisco, California, USA
| | - Clifford A Lowell
- Department of Laboratory Medicine and Immunology Program, University of California, San Francisco, California, USA
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25
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Dankner M, Gray-Owen SD, Huang YH, Blumberg RS, Beauchemin N. CEACAM1 as a multi-purpose target for cancer immunotherapy. Oncoimmunology 2017; 6:e1328336. [PMID: 28811966 PMCID: PMC5543821 DOI: 10.1080/2162402x.2017.1328336] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 05/03/2017] [Accepted: 05/05/2017] [Indexed: 02/06/2023] Open
Abstract
CEACAM1 is an extensively studied cell surface molecule with established functions in multiple cancer types, as well as in various compartments of the immune system. Due to its multi-faceted role as a recently appreciated immune checkpoint inhibitor and tumor marker, CEACAM1 is an attractive target for cancer immunotherapy. Herein, we highlight CEACAM1's function in various immune compartments and cancer types, including in the context of metastatic disease. This review outlines CEACAM1's role as a therapeutic target for cancer treatment in light of these properties.
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Affiliation(s)
- Matthew Dankner
- Goodman Cancer Research Centre, McGill University, Montreal, QC, Canada
| | - Scott D Gray-Owen
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Yu-Hwa Huang
- Division of Gastroenterology, Hepatology, and Endoscopy, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Richard S Blumberg
- Division of Gastroenterology, Hepatology, and Endoscopy, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Nicole Beauchemin
- Goodman Cancer Research Centre, McGill University, Montreal, QC, Canada
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26
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Weng C, Nguyen T, Shively JE. miRNA-342 Regulates CEACAM1-induced Lumen Formation in a Three-dimensional Model of Mammary Gland Morphogenesis. J Biol Chem 2016; 291:16777-86. [PMID: 27302063 DOI: 10.1074/jbc.m115.710152] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Indexed: 01/10/2023] Open
Abstract
Lumen formation of breast epithelium is rapidly lost during tumorigenesis along with expression of cell adhesion molecule CEACAM1. CEACAM1 induces lumena in a three-dimensional culture of MCF7/CEACAM1 cells that otherwise fail to form lumena. We hypothesized miRNAs may be involved because >400 genes were up- or down-regulated in MCF7/CEACAM1 cells and miRNAs may modify global expression patterns. Comparative analysis of miRNA expression in MCF7 versus MCF7/CEACAM1 cells revealed two miRNAs significantly down-regulated (hsa-miR-30a-3p by 6.73-fold and hsa-miR-342-5p by 5.68-fold). Location of miR-342 within an intron of the EVL gene, hypermethylated and involved in tumorigenesis, suggested that miR-342 overexpression may block lumen formation. In fact, overexpression of miR-342 in MCF7/CEACAM1 cells significantly blocked lumen formation (p < 0.001). ID4, a dominant-negative inhibitor of basic helix-loop-helix transcription factors, up-regulated in MCF7/CEACAM1 cells, down-regulated in breast cancer, and containing a miR-342 binding site, was tested as a potential target of miR-342. The ratio of ID4 to miR-342 increased from 1:2 in MCF7 cells to 30:1 in MCF7/CEACAM1 cells and a miR-342 inhibitor was able to induce 3'-UTR ID4 reporter activity in MCF7 cells. Because 5-methylcytosine methyltransferase DNMT1 is also a potential target of miR-342, we inhibited miR-342 in MCF7 cells and found DNMT1 was up-regulated with no change in EVL expression, suggesting that miR-342 regulates DNMT1 expression but DNMT1 does not affect the EVL expression in these cells. We conclude that the regulation of lumen formation by miR-342 involves at least two of its known targets, namely ID4 and DNMT1.
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Affiliation(s)
- Chunyue Weng
- From the City of Hope Irell & Manella Graduate School of Biological Sciences, Duarte, California 91010 and the Department of Immunology, Beckman Research Institute of City of Hope, Duarte, California 91010
| | - Tung Nguyen
- the Department of Immunology, Beckman Research Institute of City of Hope, Duarte, California 91010
| | - John E Shively
- the Department of Immunology, Beckman Research Institute of City of Hope, Duarte, California 91010
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27
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Arabzadeh A, Dupaul-Chicoine J, Breton V, Haftchenary S, Yumeen S, Turbide C, Saleh M, McGregor K, Greenwood CMT, Akavia UD, Blumberg RS, Gunning PT, Beauchemin N. Carcinoembryonic Antigen Cell Adhesion Molecule 1 long isoform modulates malignancy of poorly differentiated colon cancer cells. Gut 2016; 65:821-9. [PMID: 25666195 PMCID: PMC4826327 DOI: 10.1136/gutjnl-2014-308781] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Accepted: 01/20/2015] [Indexed: 12/21/2022]
Abstract
OBJECTIVE Nearly 20%-29% of patients with colorectal cancer (CRC) succumb to liver or lung metastasis and there is a dire need for novel targets to improve the survival of patients with metastasis. The long isoform of the Carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1-L or CC1-L) is a key regulator of immune surveillance in primary CRC, but its role in metastasis remains largely unexplored. We have examined how CC1-L expression impacts on colon cancer liver metastasis. DESIGN Murine MC38 transfected with CC1-L were evaluated in vitro for proliferation, migration and invasion, and for in vivo experimental liver metastasis. Using shRNA silencing or pharmacological inhibition, we delineated the role in liver metastasis of Chemokine (C-C motif) Ligand 2 (CCL2) and Signal Transducer and Activator of Transcription 3 (STAT3) downstream of CC1-L. We further assessed the clinical relevance of these findings in a cohort of patients with CRC. RESULTS MC38-CC1-L-expressing cells exhibited significantly reduced in vivo liver metastasis and displayed decreased CCL2 chemokine secretion and reduced STAT3 activity. Down-modulation of CCL2 expression and pharmacological inhibition of STAT3 activity in MC38 cells led to reduced cell invasion capacity and decreased liver metastasis. The clinical relevance of our findings is illustrated by the fact that high CC1 expression in patients with CRC combined with some inflammation-regulated and STAT3-regulated genes correlate with improved 10-year survival. CONCLUSIONS CC1-L regulates inflammation and STAT3 signalling and contributes to the maintenance of a less-invasive CRC metastatic phenotype of poorly differentiated carcinomas.
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Affiliation(s)
- Azadeh Arabzadeh
- Goodman Cancer Research Centre, McGill University, Montreal, Quebec, Canada
| | | | - Valérie Breton
- Goodman Cancer Research Centre, McGill University, Montreal, Quebec, Canada
| | - Sina Haftchenary
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Sara Yumeen
- Goodman Cancer Research Centre, McGill University, Montreal, Quebec, Canada
| | - Claire Turbide
- Goodman Cancer Research Centre, McGill University, Montreal, Quebec, Canada
| | - Maya Saleh
- Complex Trait Group, McGill University, Montreal, Quebec, Canada
| | - Kevin McGregor
- Departments of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
| | - Celia M T Greenwood
- Departments of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
| | - Uri David Akavia
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - Richard S Blumberg
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Patrick T Gunning
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Nicole Beauchemin
- Goodman Cancer Research Centre, McGill University, Montreal, Quebec, Canada
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28
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Khairnar V, Duhan V, Maney SK, Honke N, Shaabani N, Pandyra AA, Seifert M, Pozdeev V, Xu HC, Sharma P, Baldin F, Marquardsen F, Merches K, Lang E, Kirschning C, Westendorf AM, Häussinger D, Lang F, Dittmer U, Küppers R, Recher M, Hardt C, Scheffrahn I, Beauchemin N, Göthert JR, Singer BB, Lang PA, Lang KS. CEACAM1 induces B-cell survival and is essential for protective antiviral antibody production. Nat Commun 2015; 6:6217. [PMID: 25692415 PMCID: PMC4346637 DOI: 10.1038/ncomms7217] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Accepted: 01/07/2015] [Indexed: 01/03/2023] Open
Abstract
B cells are essential for antiviral immune defence because they produce neutralizing antibodies, present antigen and maintain the lymphoid architecture. Here we show that intrinsic signalling of CEACAM1 is essential for generating efficient B-cell responses. Although CEACAM1 exerts limited influence on the proliferation of B cells, expression of CEACAM1 induces survival of proliferating B cells via the BTK/Syk/NF-κB-axis. The absence of this signalling cascade in naive Ceacam1−/− mice limits the survival of B cells. During systemic infection with cytopathic vesicular stomatitis virus, Ceacam1−/− mice can barely induce neutralizing antibody responses and die early after infection. We find, therefore, that CEACAM1 is a crucial regulator of B-cell survival, influencing B-cell numbers and protective antiviral antibody responses. Antibody responses are regulated by selective survival of B cells with proper antigen specificity. Here the authors show that CEACAM1 is critical for B-cell survival during homeostasis and antiviral responses.
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Affiliation(s)
- Vishal Khairnar
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany
| | - Vikas Duhan
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany
| | - Sathish Kumar Maney
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University, Moorenstrasse 5, Düsseldorf 40225, Germany
| | - Nadine Honke
- 1] Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany [2] Clinic of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University, Moorenstrasse 5, Düsseldorf 40225, Germany
| | - Namir Shaabani
- 1] Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany [2] Clinic of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University, Moorenstrasse 5, Düsseldorf 40225, Germany
| | - Aleksandra A Pandyra
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany
| | - Marc Seifert
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, Virchowstrasse 173, Essen 45122, Germany
| | - Vitaly Pozdeev
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University, Moorenstrasse 5, Düsseldorf 40225, Germany
| | - Haifeng C Xu
- 1] Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany [2] Clinic of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University, Moorenstrasse 5, Düsseldorf 40225, Germany
| | - Piyush Sharma
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany
| | - Fabian Baldin
- Clinic for Primary Immunodeficiency, Medical Outpatient Unit and Immunodeficiency Laboratory, Department of Biomedicine, University Hospital, Basel 4031, Switzerland
| | - Florian Marquardsen
- Clinic for Primary Immunodeficiency, Medical Outpatient Unit and Immunodeficiency Laboratory, Department of Biomedicine, University Hospital, Basel 4031, Switzerland
| | - Katja Merches
- 1] Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany [2] Department of Physiology I, University of Tuebingen, Gmelinstrasse 5, Tuebingen 72076, Germany
| | - Elisabeth Lang
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University, Moorenstrasse 5, Düsseldorf 40225, Germany
| | - Carsten Kirschning
- Institute of Medical Microbiology, Faculty of Medicine, University Hospital Essen, Hufelandstrasse 55, Essen 45122, Germany
| | - Astrid M Westendorf
- Institute of Medical Microbiology, Faculty of Medicine, University Hospital Essen, Hufelandstrasse 55, Essen 45122, Germany
| | - Dieter Häussinger
- Clinic of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University, Moorenstrasse 5, Düsseldorf 40225, Germany
| | - Florian Lang
- Department of Physiology I, University of Tuebingen, Gmelinstrasse 5, Tuebingen 72076, Germany
| | - Ulf Dittmer
- Institute of Virology, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany
| | - Ralf Küppers
- Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, Virchowstrasse 173, Essen 45122, Germany
| | - Mike Recher
- Clinic for Primary Immunodeficiency, Medical Outpatient Unit and Immunodeficiency Laboratory, Department of Biomedicine, University Hospital, Basel 4031, Switzerland
| | - Cornelia Hardt
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany
| | - Inka Scheffrahn
- Clinic of Gastroenterology and Hepatology, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany
| | - Nicole Beauchemin
- Rosalind and Morris Goodman Cancer Centre, Departments of Biochemistry, Medicine and Oncology, McIntyre Medical Science Building, Montreal, Quebec, Canada H3G 1Y6
| | - Joachim R Göthert
- Department of Hematology, West German Cancer Center (WTZ), University Hospital Essen, Hufelandstrasse 55, Essen 45147, Germany
| | - Bernhard B Singer
- Institute of Anatomy, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany
| | - Philipp A Lang
- 1] Clinic of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University, Moorenstrasse 5, Düsseldorf 40225, Germany [2] Department of Molecular Medicine II, Heinrich Heine University Düsseldorf, Universitätsstrasse 1, Düsseldorf 40225, Germany
| | - Karl S Lang
- 1] Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Hufelandstrasse 55, Essen 45147, Germany [2] Clinic of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University, Moorenstrasse 5, Düsseldorf 40225, Germany
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Soluble CEACAM8 interacts with CEACAM1 inhibiting TLR2-triggered immune responses. PLoS One 2014; 9:e94106. [PMID: 24743304 PMCID: PMC3990526 DOI: 10.1371/journal.pone.0094106] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Accepted: 03/12/2014] [Indexed: 12/21/2022] Open
Abstract
Lower respiratory tract bacterial infections are characterized by neutrophilic inflammation in the airways. The carcinoembryonic antigen-related cell adhesion molecule (CEACAM) 8 is expressed in and released by human granulocytes. Our study demonstrates that human granulocytes release CEACAM8 in response to bacterial DNA in a TLR9-dependent manner. Individuals with a high percentage of bronchial lavage fluid (BALF) granulocytes were more likely to have detectable levels of released CEACAM8 in the BALF than those with a normal granulocyte count. Soluble, recombinant CEACAM8-Fc binds to CEACAM1 expressed on human airway epithelium. Application of CEACAM8-Fc to CEACAM1-positive human pulmonary epithelial cells resulted in reduced TLR2-dependent inflammatory responses. These inhibitory effects were accompanied by tyrosine phosphorylation of the immunoreceptor tyrosine-based inhibitory motif (ITIM) of CEACAM1 and by recruitment of the phosphatase SHP-1, which could negatively regulate Toll-like receptor 2-dependent activation of the phosphatidylinositol 3-OH kinase-Akt kinase pathway. Our results suggest a new mechanism by which granulocytes reduce pro-inflammatory immune responses in human airways via secretion of CEACAM8 in neutrophil-driven bacterial infections.
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McMillan SJ, Richards HE, Crocker PR. Siglec-F-dependent negative regulation of allergen-induced eosinophilia depends critically on the experimental model. Immunol Lett 2014; 160:11-16. [PMID: 24698729 PMCID: PMC4045373 DOI: 10.1016/j.imlet.2014.03.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Revised: 03/11/2014] [Accepted: 03/21/2014] [Indexed: 12/19/2022]
Abstract
Siglec-F-dependent negative regulation of eosinophilia depends on experimental model. Siglec-F-dependent suppression of lung eosinophilia may not depend on ligand-induced apoptosis. Implications for therapeutic approaches to treating human disease in which siglec-8, is targeted.
Siglec-8 and siglec-F are paralogous membrane proteins expressed on human and murine eosinophils respectively. They bind similar sialylated and sulphated glycans and mediate eosinophil apoptosis when cross-linked with antibodies or glycan ligands. In models of allergic eosinophilic airway inflammation, siglec-F was shown previously to be important for negatively regulating eosinophilia. It was proposed that this was due to siglec-F-dependent apoptosis, triggered via engagement with ligands that are upregulated on bronchial epithelium. Our aim was to further investigate the functions of siglec-F by comparing two commonly used models of ovalbumin-induced airway inflammation that differ in the dose and route of administration of ovalbumin. In confirmation of published results, siglec-F-deficient mice had enhanced lung tissue eosinophilia in response to intranasal ovalbumin delivered every other day. However, following aerosolised ovalbumin delivered daily, there was no influence of siglec-F deficiency on lung eosinophilia. Expression of siglec-F ligands in lung tissues was similar in both models of allergen induced inflammation. These data demonstrate that siglec-F-dependent regulation of eosinophilia is subtle and depends critically on the model used. The findings also indicate that mechanisms other than ligand-induced apoptosis may be important in siglec-F-dependent suppression of eosinophilia.
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Affiliation(s)
- Sarah J McMillan
- Division of Cell Signalling & Immunology, College of Life Sciences, University of Dundee, Dundee, Scotland, UK, DD1 5EH
| | - Hannah E Richards
- Division of Cell Signalling & Immunology, College of Life Sciences, University of Dundee, Dundee, Scotland, UK, DD1 5EH
| | - Paul R Crocker
- Division of Cell Signalling & Immunology, College of Life Sciences, University of Dundee, Dundee, Scotland, UK, DD1 5EH.
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CEACAM1 loss links inflammation to insulin resistance in obesity and non-alcoholic steatohepatitis (NASH). Semin Immunopathol 2013; 36:55-71. [PMID: 24258517 DOI: 10.1007/s00281-013-0407-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Accepted: 10/13/2013] [Indexed: 02/06/2023]
Abstract
Mounting epidemiological evidence points to an association between metabolic syndrome and non-alcoholic steatohepatitis (NASH), an increasingly recognized new epidemic. NASH pathologies include hepatocellular ballooning, lobular inflammation, hepatocellular injury, apoptosis, and hepatic fibrosis. We will review the relationship between insulin resistance and inflammation in visceral obesity and NASH in an attempt to shed more light on the pathogenesis of these major metabolic diseases. Moreover, we will identify loss of the carcinoembryonic antigen-related cell adhesion molecule 1 as a unifying mechanism linking the immunological and metabolic abnormalities in NASH.
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Affiliation(s)
- Christopher G. Sobey
- From the Vascular Biology and Immunopharmacology Group, Department of Pharmacology, Monash University, Clayton, Victoria, Australia
| | - Grant R. Drummond
- From the Vascular Biology and Immunopharmacology Group, Department of Pharmacology, Monash University, Clayton, Victoria, Australia
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33
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Muturi HT, Dreesen JD, Nilewski E, Jastrow H, Giebel B, Ergun S, Singer BB. Tumor and endothelial cell-derived microvesicles carry distinct CEACAMs and influence T-cell behavior. PLoS One 2013; 8:e74654. [PMID: 24040308 PMCID: PMC3770572 DOI: 10.1371/journal.pone.0074654] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 08/08/2013] [Indexed: 01/15/2023] Open
Abstract
Normal and malignant cells release a variety of different vesicles into their extracellular environment. The most prominent vesicles are the microvesicles (MVs, 100-1 000 nm in diameter), which are shed of the plasma membrane, and the exosomes (70-120 nm in diameter), derivates of the endosomal system. MVs have been associated with intercellular communication processes and transport numerous proteins, lipids and RNAs. As essential component of immune-escape mechanisms tumor-derived MVs suppress immune responses. Additionally, tumor-derived MVs have been found to promote metastasis, tumor-stroma interactions and angiogenesis. Since members of the carcinoembryonic antigen related cell adhesion molecule (CEACAM)-family have been associated with similar processes, we studied the distribution and function of CEACAMs in MV fractions of different human epithelial tumor cells and of human and murine endothelial cells. Here we demonstrate that in association to their cell surface phenotype, MVs released from different human epithelial tumor cells contain CEACAM1, CEACAM5 and CEACAM6, while human and murine endothelial cells were positive for CEACAM1 only. Furthermore, MVs derived from CEACAM1 transfected CHO cells carried CEACAM1. In terms of their secretion kinetics, we show that MVs are permanently released in low doses, which are extensively increased upon cellular starvation stress. Although CEACAM1 did not transmit signals into MVs it served as ligand for CEACAM expressing cell types. We gained evidence that CEACAM1-positive MVs significantly increase the CD3 and CD3/CD28-induced T-cell proliferation. All together, our data demonstrate that MV-bound forms of CEACAMs play important roles in intercellular communication processes, which can modulate immune response, tumor progression, metastasis and angiogenesis.
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Affiliation(s)
| | | | - Elena Nilewski
- Institute of Anatomy, University Hospital Essen, Essen, Germany
| | - Holger Jastrow
- Institute of Anatomy, University Hospital Essen, Essen, Germany
| | - Bernd Giebel
- Institute for Transfusion Medicine, University Hospital Essen, Essen, Germany
| | - Suleyman Ergun
- Institute of Anatomy, University Hospital Essen, Essen, Germany
- Institute of Anatomy and Cell Biology, Julius-Maximilians-University Würzburg, Würzburg, Germany
| | - Bernhard B. Singer
- Institute of Anatomy, University Hospital Essen, Essen, Germany
- * E-mail:
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34
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Hosomi S, Chen Z, Baker K, Chen L, Huang YH, Olszak T, Zeissig S, Wang JH, Mandelboim O, Beauchemin N, Lanier LL, Blumberg RS. CEACAM1 on activated NK cells inhibits NKG2D-mediated cytolytic function and signaling. Eur J Immunol 2013; 43:2473-83. [PMID: 23696226 PMCID: PMC3775953 DOI: 10.1002/eji.201242676] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2012] [Revised: 04/09/2013] [Accepted: 05/17/2013] [Indexed: 12/29/2022]
Abstract
Carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) is expressed on activated natural killer (NK) cells wherein it inhibits lysis of CEACAM1-bearing tumor cell lines. The mechanism for this is unknown. Here, we show that interleukin-2-induced expression of CEACAM1 on both mouse and primary human NK cells impairs the ability of NK gene complex group 2 member D (NKG2D) to stimulate cytolysis of CEACAM1-bearing cells. This process requires the expression of CEACAM1 on the NK cells and on the tumor cells, which is consistent with the involvement of trans-homophilic interactions between CEACAM1. Mechanistically, co-engagement of NKG2D and CEACAM1 results in a biochemical association between these two surface receptors and the recruitment of Src homology phosphatase 1 by CEACAM1 that leads to dephosphorylation of the guanine nucleotide exchange factor Vav1 and blockade of downstream signaling that is associated with the initiation of cytolysis. Thus, CEACAM1 on activated NK cells functions as an inhibitory receptor for NKG2D-mediated cytolysis, which has important implications for understanding the means by which CEACAM1 expression adversely affects tumor immunity.
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Affiliation(s)
- Shuhei Hosomi
- Gastroenterology Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Zhangguo Chen
- Gastroenterology Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
- Department of Immunology, National Jewish Health, University of Colorado Denver, Denver, CO, USA
| | - Kristi Baker
- Gastroenterology Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Lanfen Chen
- Gastroenterology Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Yu-Hwa Huang
- Gastroenterology Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Torsten Olszak
- Gastroenterology Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Sebastian Zeissig
- Gastroenterology Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Jing H. Wang
- Department of Immunology, National Jewish Health, University of Colorado Denver, Denver, CO, USA
| | - Ofer Mandelboim
- Lautenberg Center for General and Tumor Immunology, Hebrew University Hadassah Medical School, Jerusalem, Israel
| | - Nicole Beauchemin
- Goodman Cancer Research Centre and Depts. of Biochemistry, Medicine and Oncology, McGill University, Montreal, Canada
| | - Lewis L. Lanier
- Department of Microbiology and Immunology and the Cancer Research Institute, University of California San Francisco, San Francisco, CA, USA
| | - Richard S. Blumberg
- Gastroenterology Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
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Beauchemin N, Arabzadeh A. Carcinoembryonic antigen-related cell adhesion molecules (CEACAMs) in cancer progression and metastasis. Cancer Metastasis Rev 2013; 32:643-71. [DOI: 10.1007/s10555-013-9444-6] [Citation(s) in RCA: 288] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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36
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Ludewig P, Sedlacik J, Gelderblom M, Bernreuther C, Korkusuz Y, Wagener C, Gerloff C, Fiehler J, Magnus T, Horst AK. Carcinoembryonic antigen-related cell adhesion molecule 1 inhibits MMP-9-mediated blood-brain-barrier breakdown in a mouse model for ischemic stroke. Circ Res 2013; 113:1013-22. [PMID: 23780386 DOI: 10.1161/circresaha.113.301207] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
RATIONALE Blood-brain-barrier (BBB) breakdown and cerebral edema result from postischemic inflammation and contribute to mortality and morbidity after ischemic stroke. A functional role for the carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) in the regulation of reperfusion injury has not yet been demonstrated. OBJECTIVE We sought to identify and characterize the relevance of CEACAM1-expressing inflammatory cells in BBB breakdown and outcome after ischemic stroke in Ceacam1(-/-) and wild-type mice. METHODS AND RESULTS Focal ischemia was induced by temporary occlusion of the middle cerebral artery with a microfilament. Using MRI and Evans blue permeability assays, we observed increased stroke volumes, BBB breakdown and edema formation, reduction of cerebral perfusion, and brain atrophy in Ceacam1(-/-) mice. This translated into poor performance in neurological scoring and high poststroke-associated mortality. Elevated neutrophil influx, hyperproduction, and release of neutrophil-related matrix metalloproteinase-9 in Ceacam1(-/-) mice were confirmed by immune fluorescence, flow cytometry, zymography, and stimulation of neutrophils. Importantly, neutralization of matrix metalloproteinase-9 activity in Ceacam1(-/-) mice was sufficient to alleviate stroke sizes and improve survival to the level of CEACAM1-competent animals. Immune histochemistry of murine and human poststroke autoptic brains congruently identified abundance of CEACAM1(+)matrix metalloproteinase-9(+) neutrophils in the ischemic hemispheres. CONCLUSIONS CEACAM1 controls matrix metalloproteinase-9 secretion by neutrophils in postischemic inflammation at the BBB after stroke. We propose CEACAM1 as an important inhibitory regulator of neutrophil-mediated tissue damage and BBB breakdown in focal cerebral ischemia.
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Affiliation(s)
- Peter Ludewig
- From the Institute of Clinical Chemistry, Department of Neurology, Department of Neuropathology, and Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Samineni S, Zhang Z, Shively JE. Carcinoembryonic antigen-related cell adhesion molecule 1 negatively regulates granulocyte colony-stimulating factor production by breast tumor-associated macrophages that mediate tumor angiogenesis. Int J Cancer 2013; 133:394-407. [PMID: 23319418 DOI: 10.1002/ijc.28036] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Revised: 11/29/2012] [Accepted: 01/02/2013] [Indexed: 12/23/2022]
Abstract
Carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1), a cell adhesion molecule expressed on epithelial cells and activated immune cells, is downregulated in many cancers and plays a role in inhibition of inflammation in part by inhibition of granulocyte colony-stimulating factor (G-CSF) production by myeloid cells. As macrophages are associated with a poor prognosis in breast cancer, but play important roles in normal breast, we hypothesized that CEACAM1 downregulation would lead to tumor promotion under inflammatory conditions. Cocultures of proinflammatory M1 macrophages with CEACAM1 negative MCF7 breast cells produced high levels of G-CSF (10 ng/mL) compared to CEACAM1-transfected MCF7/4S cells (1 ng/mL) or anti-inflammatory M2 macrophage cocultures (0.5 or 0.1 ng/mL, MCF7 or MCF7/4S, respectively). The expression of CEACAM1 on M1s was much greater than for M2s and was observed only in cocultures with either MCF7 or MCF7/4S cells. When M1 macrophages were mixed with MCF7 cells and implanted in murine mammary fat pads of nonobese diabetic/severe combined immunodeficient mice, tumor size and blood vessel density were significantly greater than MCF7 or MCF7/4S only tumors which were hardly detected after 8 weeks of growth. In contrast, M1 cells had a much reduced effect on MCF7/4S tumor growth and blood vessel density, indicating that the tumor inhibitory effect of CEACAM1 is most likely related to its anti-inflammatory action on inflammatory macrophages. These results support our previous finding that CEACAM1 inhibits both G-CSF production by myeloid cells and G-CSF-stimulated tumor angiogenesis.
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Affiliation(s)
- Sridhar Samineni
- City of Hope Irell & Manella Graduate School of Biological Sciences, Duarte, CA, USA
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Siglec-E is a negative regulator of acute pulmonary neutrophil inflammation and suppresses CD11b β2-integrin-dependent signaling. Blood 2013; 121:2084-94. [PMID: 23315163 DOI: 10.1182/blood-2012-08-449983] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Neutrophil entry into the lung tissues is a key step in host defense to bacterial and yeast infections, but if uncontrolled can lead to severe tissue damage. Here, we demonstrate for the first time that sialic acid binding Ig-like lectin E (siglec-E) functions to selectively regulate early neutrophil recruitment into the lung. In a model of acute lung inflammation induced by aerosolized lipopolysaccharide, siglec-E-deficient mice exhibited exaggerated neutrophil recruitment that was reversed by blockade of the β2 integrin, CD11b. Siglec-E suppressed CD11b "outside-in" signaling, because siglec-E-deficient neutrophils plated on the CD11b ligand fibrinogen showed exaggerated phosphorylation of Syk and p38 mitogen-activated protein kinase. Sialidase treatment of fibrinogen reversed the suppressive effect of siglec-E on CD11b signaling, suggesting that sialic acid recognition by siglec-E is required for its inhibitory function. Siglec-E in neutrophils was constitutively associated with the tyrosine phosphatase SHP-1 and may therefore function to constitutively dampen inflammatory responses of neutrophils. These data reveal that siglec-E is an important negative regulator of neutrophil recruitment to the lung and β2 integrin-dependent signaling. Our findings have implications for the human functional ortholog, siglec-9, and its potential role in regulating inflammatory lung disease.
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Abstract
Neutrophils are critically involved in host defense and tissue damage. Intrinsic molecular mechanisms controlling neutrophil differentiation and activities are poorly defined. Herein we found that p53-induced phosphatase 1(Wip1) is preferentially expressed in neutrophils among immune cells. The Wip1 expression is gradually up-regulated during the differentiation of myeloid precursors into mature neutrophils. Wip1-deficient mice and chimera mice with Wip1(-/-) hematopoietic cells had an expanded pool of neutrophils with hypermature phenotypes in the periphery. The in vivo and in vitro studies showed that Wip1 deficiency mainly impaired the developing process of myeloid progenitors to neutrophils in an intrinsic manner. Mechanism studies showed that the enhanced development and maturation of neutrophils caused by Wip1 deficiency were mediated by p38 MAPK-STAT1 but not p53-dependent pathways. Thus, our findings identify a previously unrecognized p53-independent function of Wip1 as a cell type-specific negative regulator of neutrophil generation and homeostasis through limiting the p38 MAPK-STAT1 pathway.
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Chen L, Chen Z, Baker K, Halvorsen EM, da Cunha AP, Flak MB, Gerber G, Huang YH, Hosomi S, Arthur JC, Dery KJ, Nagaishi T, Beauchemin N, Holmes KV, Ho JWK, Shively JE, Jobin C, Onderdonk AB, Bry L, Weiner HL, Higgins DE, Blumberg RS. The short isoform of the CEACAM1 receptor in intestinal T cells regulates mucosal immunity and homeostasis via Tfh cell induction. Immunity 2012; 37:930-46. [PMID: 23123061 DOI: 10.1016/j.immuni.2012.07.016] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Accepted: 07/30/2012] [Indexed: 12/11/2022]
Abstract
Carcinoembryonic antigen cell adhesion molecule like I (CEACAM1) is expressed on activated T cells and signals through either a long (L) cytoplasmic tail containing immune receptor tyrosine based inhibitory motifs, which provide inhibitory function, or a short (S) cytoplasmic tail with an unknown role. Previous studies on peripheral T cells show that CEACAM1-L isoforms predominate with little to no detectable CEACAM1-S isoforms in mouse and human. We show here that this was not the case in tissue resident T cells of intestines and gut associated lymphoid tissues, which demonstrated predominant expression of CEACAM1-S isoforms relative to CEACAM1-L isoforms in human and mouse. This tissue resident predominance of CEACAM1-S expression was determined by the intestinal environment where it served a stimulatory function leading to the regulation of T cell subsets associated with the generation of secretory IgA immunity, the regulation of mucosal commensalism, and defense of the barrier against enteropathogens.
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Affiliation(s)
- Lanfen Chen
- Gastroenterology Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
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Kammerer R, Rüttiger L, Riesenberg R, Schäuble C, Krupar R, Kamp A, Sunami K, Eisenried A, Hennenberg M, Grunert F, Bress A, Battaglia S, Schrewe H, Knipper M, Schneider MR, Zimmermann W. Loss of mammal-specific tectorial membrane component carcinoembryonic antigen cell adhesion molecule 16 (CEACAM16) leads to hearing impairment at low and high frequencies. J Biol Chem 2012; 287:21584-98. [PMID: 22544735 DOI: 10.1074/jbc.m111.320481] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The vertebrate-restricted carcinoembryonic antigen gene family evolves extremely rapidly. Among their widely expressed members, the mammal-specific, secreted CEACAM16 is exceptionally well conserved and specifically expressed in the inner ear. To elucidate a potential auditory function, we inactivated murine Ceacam16 by homologous recombination. In young Ceacam16(-/-) mice the hearing threshold for frequencies below 10 kHz and above 22 kHz was raised. This hearing impairment progressed with age. A similar phenotype is observed in hearing-impaired members of Family 1070 with non-syndromic autosomal dominant hearing loss (DFNA4) who carry a missense mutation in CEACAM16. CEACAM16 was found in interdental and Deiters cells and was deposited in the tectorial membrane of the cochlea between postnatal days 12 and 15, when hearing starts in mice. In cochlear sections of Ceacam16(-/-) mice tectorial membranes were significantly more often stretched out as compared with wild-type mice where they were mostly contracted and detached from the outer hair cells. Homotypic cell sorting observed after ectopic cell surface expression of the carboxyl-terminal immunoglobulin variable-like N2 domain of CEACAM16 indicated that CEACAM16 can interact in trans. Furthermore, Western blot analyses of CEACAM16 under reducing and non-reducing conditions demonstrated oligomerization via unpaired cysteines. Taken together, CEACAM16 can probably form higher order structures with other tectorial membrane proteins such as α-tectorin and β-tectorin and influences the physical properties of the tectorial membrane. Evolution of CEACAM16 might have been an important step for the specialization of the mammalian cochlea, allowing hearing over an extended frequency range.
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Affiliation(s)
- Robert Kammerer
- Instute of Immunology, Friedrich-Loeffler Institut, 17493 Greifswald-Insel Riems, Germany
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Lu R, Pan H, Shively JE. CEACAM1 negatively regulates IL-1β production in LPS activated neutrophils by recruiting SHP-1 to a SYK-TLR4-CEACAM1 complex. PLoS Pathog 2012; 8:e1002597. [PMID: 22496641 PMCID: PMC3320586 DOI: 10.1371/journal.ppat.1002597] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2011] [Accepted: 02/08/2012] [Indexed: 01/07/2023] Open
Abstract
LPS-activated neutrophils secrete IL-1β by activation of TLR-4. Based on studies in macrophages, it is likely that ROS and lysosomal destabilization regulated by Syk activation may also be involved. Since neutrophils have abundant expression of the ITIM-containing co-receptor CEACAM1 and Gram-negative bacteria such as Neisseria utilize CEACAM1 as a receptor that inhibits inflammation, we hypothesized that the overall production of IL-1β in LPS treated neutrophils may be negatively regulated by CEACAM1. We found that LPS treated neutrophils induced phosphorylation of Syk resulting in the formation of a complex including TLR4, p-Syk, and p-CEACAM1, which in turn, recruited the inhibitory phosphatase SHP-1. LPS treatment leads to ROS production, lysosomal damage, caspase-1 activation and IL-1β secretion in neutrophils. The absence of this regulation in Ceacam1−/− neutrophils led to hyper production of IL-1β in response to LPS. The hyper production of IL-1β was abrogated by in vivo reconstitution of wild type but not ITIM-mutated CEACAM1 bone marrow stem cells. Blocking Syk activation by kinase inhibitors or RNAi reduced Syk phosphorylation, lysosomal destabilization, ROS production, and caspase-1 activation in Ceacam1−/− neutrophils. We conclude that LPS treatment of neutrophils triggers formation of a complex of TLR4 with pSyk and pCEACAM1, which upon recruitment of SHP-1 to the ITIMs of pCEACAM1, inhibits IL-1β production by the inflammasome. Thus, CEACAM1 fine-tunes IL-1β production in LPS treated neutrophils, explaining why the additional utilization of CEACAM1 as a pathogen receptor would further inhibit inflammation. Pathogens often evade the immune system by directly binding to and inhibiting neutrophils, abundant white cells that accumulate at the site of infection. For example Gram-negative Neisseria pathogens, such as those that cause gonorrhea or meningitis, bind the neutrophil receptor CEACAM1. Gram-negative bacteria express lipopolysaccharide (LPS) that interacts with toll-like receptor-4 (TLR4) on neutrophils. Since CEACAM1 is an inhibitory receptor, we hypothesized that LPS activation of TLR4 would be inhibited. In this paper we show that this is the case and that the mechanism of LPS inhibition involves induction of a complex between the LPS receptor TLR4, CEACAM1 and an activating kinase called Syk. In the presence of CEACAM1, an inhibitory phosphatase (opposes the kinase) is recruited to the complex that prevents the activation of Syk. The net effect is the inhibition of the pathway that normally leads to the production of the pro-inflammatory cytokine IL-1β. We show that this inhibition is lost in CEACAM1 deficient neutrophils leading to hyper production of IL-1β. We think that CEACAM1 fine-tunes the normal inflammatory response at the site of infection preventing hyper-inflammation, but in the case of Gram-negative pathogens that actually bind to neutrophils, inflammation is further blunted, favoring the infectious process.
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Affiliation(s)
- Rongze Lu
- City of Hope Irell & Manella Graduate School of Biological Sciences, Duarte, California, United States of America
- Department of Immunology, Beckman Research Institute of City of Hope, Duarte, California, United States of America
| | - Hao Pan
- City of Hope Irell & Manella Graduate School of Biological Sciences, Duarte, California, United States of America
- Department of Immunology, Beckman Research Institute of City of Hope, Duarte, California, United States of America
| | - John E. Shively
- Department of Immunology, Beckman Research Institute of City of Hope, Duarte, California, United States of America
- * E-mail:
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43
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Arabzadeh A, Chan C, Nouvion AL, Breton V, Benlolo S, DeMarte L, Turbide C, Brodt P, Ferri L, Beauchemin N. Host-related carcinoembryonic antigen cell adhesion molecule 1 promotes metastasis of colorectal cancer. Oncogene 2012; 32:849-60. [PMID: 22469976 DOI: 10.1038/onc.2012.112] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Liver metastasis is the predominant cause of colorectal cancer (CRC)-related mortality in developed countries. Carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) is a cell adhesion molecule with reduced expression in early phases of CRC development and thus functions as a tumor growth inhibitor. However, CEACAM1 is upregulated in metastatic colon cancer, suggesting a bimodal role in CRC progression. To investigate the role of this protein in the host metastatic environment, Ceacam1(-/-) mice were injected intrasplenically with metastatic MC38 mouse CRC cells. A significant reduction in metastatic burden was observed in Ceacam1(-/-) compared with wild-type (WT) livers. Intravital microscopy showed decreased early survival of MC38 cells in Ceacam1(-/-) endothelial environment. Metastatic cell proliferation within the Ceacam1(-/-) livers was also diminished. Bone marrow-derived cell recruitment, attenuation of immune infiltrates and diminished CCL2, CCL3 and CCL5 chemokine production participated in the reduced Ceacam1(-/-) metastatic phenotype. Transplantations of WT bone marrow (BM) into Ceacam1(-/-) mice fully rescued metastatic development, whereas Ceacam1(-/-) BM transfer into WT mice showed reduced metastatic burden. Chimeric immune cell profiling revealed diminished recruitment of CD11b(+)Gr1(+) myeloid-derived suppressor cells (MDSCs) to Ceacam1(-/-) metastatic livers and adoptive transfer of MDSCs confirmed the involvement of these immune cells in reduction of liver metastasis. CEACAM1 may represent a novel metastatic CRC target for treatment.
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Affiliation(s)
- A Arabzadeh
- Goodman Cancer Research Centre, McGill University, Montreal, Quebec, Canada
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Lu R, Kujawski M, Pan H, Shively JE. Tumor angiogenesis mediated by myeloid cells is negatively regulated by CEACAM1. Cancer Res 2012; 72:2239-50. [PMID: 22406619 DOI: 10.1158/0008-5472.can-11-3016] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Bv8 (prokineticin 2) expressed by Gr1(+)CD11b(+) myeloid cells is critical for VEGF-independent tumor angiogenesis. Although granulocyte colony-stimulating factor (G-CSF) has been shown to be a key inducer of Bv8 expression, the basis for Bv8 production in driving tumor angiogenesis is undefined. Because the cell adhesion molecule CEACAM1, which is highly expressed on Gr1(+)CD11b(+) myeloid cells, is known to regulate G-CSF receptor (G-CSFR) signaling, we hypothesized that CEACAM1 would regulate Bv8 production in these cells. In support of this hypothesis, we found that Bv8 expression was elevated in Gr1(+)CD11b(+) cells from Ceacam1-deficient mice implanted with B16 melanoma, increasing the infiltration of Gr1(+)CD11b(+) myeloid cells in melanoma tumors and enhancing their growth and angiogenesis. Furthermore, treatment with anti-Gr1 or anti-Bv8 or anti-G-CSF monoclonal antibody reduced myeloid cell infiltration, tumor growth, and angiogenesis to levels observed in tumor-bearing wild-type (WT) mice. Reconstitution of CEACAM1-deficient mice with WT bone marrow cells restored tumor infiltration of Gr1(+)CD11b(+) cells along with tumor growth and angiogenesis to WT levels. Treatment of tumor-bearing WT mice with anti-CEACAM1 antibody limited tumor outgrowth and angiogenesis, albeit to a lesser extent. Tumor growth in Ceacam1-deficient mice was not affected significantly in Rag(-/-) background, indicating that CEACAM1 expression in T and B lymphocytes had a negligible role in this pathway. Together, our findings show that CEACAM1 negatively regulates Gr1(+)CD11b(+) myeloid cell-dependent tumor angiogenesis by inhibiting the G-CSF-Bv8 signaling pathway.
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Affiliation(s)
- Rongze Lu
- City of Hope Irell & Manella Graduate School of Biological Sciences, Duarte, California, USA
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45
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Galli SJ, Borregaard N, Wynn TA. Phenotypic and functional plasticity of cells of innate immunity: macrophages, mast cells and neutrophils. Nat Immunol 2011; 12:1035-44. [PMID: 22012443 PMCID: PMC3412172 DOI: 10.1038/ni.2109] [Citation(s) in RCA: 746] [Impact Index Per Article: 57.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Hematopoietic cells, including lymphoid and myeloid cells, can develop into phenotypically distinct 'subpopulations' with different functions. However, evidence indicates that some of these subpopulations can manifest substantial plasticity (that is, undergo changes in their phenotype and function). Here we focus on the occurrence of phenotypically distinct subpopulations in three lineages of myeloid cells with important roles in innate and acquired immunity: macrophages, mast cells and neutrophils. Cytokine signals, epigenetic modifications and other microenvironmental factors can substantially and, in some cases, rapidly and reversibly alter the phenotype of these cells and influence their function. This suggests that regulation of the phenotype and function of differentiated hematopoietic cells by microenvironmental factors, including those generated during immune responses, represents a common mechanism for modulating innate or adaptive immunity.
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Affiliation(s)
- Stephen J Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.
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