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Song Y, Wang Y, Li J, Shen Y, Hou Y, Fu Z, Fang L, Jin B, Chen L. CD226 promotes renal fibrosis by regulating macrophage activation and migration. J Leukoc Biol 2024:qiae054. [PMID: 38660893 DOI: 10.1093/jleuko/qiae054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 01/29/2024] [Accepted: 02/21/2024] [Indexed: 04/26/2024] Open
Abstract
It has been found that CD226 plays an important role in regulating macrophage function, but its expression and function in macrophages during renal fibrogenesis have not been studied. Our data demonstrated that CD226 expression in macrophages was obviously upregulated in the unilateral ureteral obstruction model, while CD226 deficiency attenuated collagen deposition in renal interstitium along with fewer M1 within renal cortex and renal medulla and a lower level of proinflammatory factors compared to that of control littermates. Further studies demonstrated that Cd226-/- bone marrow-derived macrophages transferring could significantly reduce the tubular injury, collagen deposition, and proinflammatory cytokine secretion compared with that of Cd226+/+ bone marrow-derived macrophages transferring in the unilateral ureteral obstruction model. Mechanistic investigations revealed that CD226 promoted proinflammatory M1 macrophage accumulation in the kidney via suppressing KLF4 expression in macrophages. Therefore, our results uncovered a pathogenic role of CD226 during the development of chronic kidney disease by promoting monocyte infiltration from peripheral blood into the kidney and enhancing macrophage activation toward the inflammatory phenotype by suppressing KLF4 expression.
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Affiliation(s)
- Yun Song
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Yazhen Wang
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Juan Li
- College of Life Sciences, Northwest University, No.229, Taibai North Road, Beilin District, Xi'an 710069, ShaanXi, China
| | - Yuting Shen
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Yongli Hou
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Zhaoyue Fu
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Liang Fang
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Boquan Jin
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
| | - Lihua Chen
- Department of Immunology, Air Force Medical University, No.169, Changle West Road, Xincheng District, Xi'an 710032, ShaanXi, China
- College of Life Sciences, Northwest University, No.229, Taibai North Road, Beilin District, Xi'an 710069, ShaanXi, China
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Zhang C, Zhang Y, Zhuang R, Yang K, Chen L, Jin B, Ma Y, Zhang Y, Tang K. Alterations in CX3CL1 Levels and Its Role in Viral Pathogenesis. Int J Mol Sci 2024; 25:4451. [PMID: 38674036 PMCID: PMC11050295 DOI: 10.3390/ijms25084451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
CX3CL1, also named fractalkine or neurotactin, is the only known member of the CX3C chemokine family that can chemoattract several immune cells. CX3CL1 exists in both membrane-anchored and soluble forms, with each mediating distinct biological activities. CX3CL1 signals are transmitted through its unique receptor, CX3CR1, primarily expressed in the microglia of the central nervous system (CNS). In the CNS, CX3CL1 acts as a regulator of microglia activation in response to brain disorders or inflammation. Recently, there has been a growing interest in the role of CX3CL1 in regulating cell adhesion, chemotaxis, and host immune response in viral infection. Here, we provide a comprehensive review of the changes and function of CX3CL1 in various viral infections, such as human immunodeficiency virus (HIV), SARS-CoV-2, influenza virus, and cytomegalovirus (CMV) infection, to highlight the emerging roles of CX3CL1 in viral infection and associated diseases.
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Affiliation(s)
| | | | | | | | | | | | | | - Yun Zhang
- Department of Immunology, The Fourth Military Medical University, Xi’an 710032, China; (C.Z.); (Y.Z.); (R.Z.); (K.Y.); (L.C.); (B.J.); (Y.M.)
| | - Kang Tang
- Department of Immunology, The Fourth Military Medical University, Xi’an 710032, China; (C.Z.); (Y.Z.); (R.Z.); (K.Y.); (L.C.); (B.J.); (Y.M.)
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3
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Liu Y, Hu Y, Li B, Su R, Han Z, Jin B, Li T, Zheng X, Han Y. Innate lymphoid cell subsets in the pathogenesis of primary biliary cholangitis. J Gastroenterol Hepatol 2024. [PMID: 38606537 DOI: 10.1111/jgh.16547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 02/29/2024] [Accepted: 03/04/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND AND AIM Primary biliary cholangitis (PBC) is an autoimmune liver disease characterized by destructive lymphocytic cholangitis and specific anti-mitochondrial antibodies. Innate lymphoid cells (ILCs) have been reported to play a role in liver homeostasis and autoimmunity. METHODS We evaluated the features of peripheral ILC1s and ILC3 in patients with PBC and hepatic ILC1 and ILC3 in two different PBC mouse models (dominant-negative transforming growth factor-beta receptor II [dnTGFβRII] and 2-octynoic acid-bovine serum albumin [2OA-BSA]). RESULTS A total of 115 patients and 18 healthy controls were enrolled in the study. Decreased circulating ILC1/3s were observed in early-stage PBC patients, and the numbers of ILC1/3s were negatively correlated with specific parameters and the proportion of T-helper (Th) 1 and Th17 cells. Reduced numbers of ILC1s were observed in PBC mouse models with different etiologies. ILC1-deficient mice had more severe hepatic inflammation after inducing the 2OA-BSA model. Continuous low-dose injections of lipopolysaccharide (LPS) reduced ILC1 levels in mice, consistent with the lower level of ILC1s in PBC patients with high LPS (> 50 ng/mL), and aggravated hepatic lymphocyte infiltration. CONCLUSION Patients with PBC had decreased ILC1s, which were negatively correlated with CD4+ T cells. Deficient ILC1 populations led to disease exacerbations in mice. Our results indicated that ILC1s may participate in the pathogenesis of PBC.
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Affiliation(s)
- Yansheng Liu
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Yinan Hu
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Bo Li
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Rui Su
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Zheyi Han
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Ting Li
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Xiaohong Zheng
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Ying Han
- State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
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Xue M, Xu X, Zhang X, Tang K, Zhang Y, Zhang C, Zhuang R, Jin B, Zhang Y, Yue C, Ma Y. [Advances in the role and mechanism of NK cell immune response mediated by NKG2A-HLA-E axis in viral infectious diseases]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi 2024; 40:273-278. [PMID: 38512038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Natural killer (NK) cells directly lysis the virus-infected cells through rapidly releasing cytotoxic mediators and cytokines. The balance between inhibitory and activated receptors on the surface of NK cells, as well as the corresponding ligands expressed on target cells are involved in the regulation of the cytotoxic function of NK cells. NKG2A is one of the highly anticipated inhibitory receptors expressed on NK cells, which can inhibit the cytotoxicity of NK cells to autologous normal tissue cells through interacting with the ligand HLA-E. The studies have shown that HLA-E is overexpressed on virus-infected cells and forms a complex with peptides derived from viral proteins. The interaction of HLA-E and NKG2A can regulate the functions of NK cells, participateing the pathogenesis process of virus infectious diseases. This review outlines the characteristics of the molecular interaction between NKG2A and HLA-E, as well as the mechanisms of NKG2A-HLA-E axis in regulating NK cell responses.
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Affiliation(s)
- Manling Xue
- Medical school of Yan'an university, Yan'an 716000; Department of Immunology, Basic Medical Science Academy, Fourth Military Medical University, Xi'an 710032, China
| | - Xiaoyue Xu
- Medical school of Yan'an university, Yan'an 716000; Department of Immunology, Basic Medical Science Academy, Fourth Military Medical University, Xi'an 710032, China
| | - Xiyue Zhang
- Medical school of Yan'an university, Yan'an 716000; Department of Immunology, Basic Medical Science Academy, Fourth Military Medical University, Xi'an 710032, China
| | - Kang Tang
- Department of Immunology, Basic Medical Science Academy, Fourth Military Medical University, Xi'an 710032, China
| | - Yusi Zhang
- Department of Immunology, Basic Medical Science Academy, Fourth Military Medical University, Xi'an 710032, China
| | - Chunmei Zhang
- Department of Immunology, Basic Medical Science Academy, Fourth Military Medical University, Xi'an 710032, China
| | - Ran Zhuang
- Department of Immunology, Basic Medical Science Academy, Fourth Military Medical University, Xi'an 710032, China
| | - Boquan Jin
- Department of Immunology, Basic Medical Science Academy, Fourth Military Medical University, Xi'an 710032, China
| | - Yun Zhang
- Department of Immunology, Basic Medical Science Academy, Fourth Military Medical University, Xi'an 710032, China
| | - Changwu Yue
- Medical school of Yan'an university, Yan'an 716000, China. *Corresponding authors, E-mail:
| | - Ying Ma
- Department of Immunology, Basic Medical Science Academy, Fourth Military Medical University, Xi'an 710032, China. *Corresponding authors, E-mail:
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Wang Y, Yang L, Tang K, Zhang Y, Zhang C, Zhang Y, Jin B, Zhang Y, Zhuang R, Ma Y. Ad5-nCoV Vaccination Could Induce HLA-E Restricted CD8 + T Cell Responses Specific for Epitopes on Severe Acute Respiratory Syndrome Coronavirus 2 Spike Protein. Viruses 2023; 16:52. [PMID: 38257752 PMCID: PMC10820189 DOI: 10.3390/v16010052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/27/2023] [Accepted: 12/27/2023] [Indexed: 01/24/2024] Open
Abstract
We evaluated cellular immune responses induced by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccines in an immunized population based on HLA-E-restricted CD8+ T cell epitope identification. HLA-E-restricted SARS-CoV-2 CD8+ T cell nonamer peptides were predicted with software. An HLA-E-transfected K562 cell binding assay was used to screen for high-affinity peptides. IFN-γ enzyme-linked immunospot assays were used to identify HLA-E-restricted epitopes. An HLA-E/epitope tetramer was employed to detect the frequencies of epitope-specific CD8+ T cells. Four CD8+ T cell epitopes on the spike protein of SARS-CoV-2 restricted by both HLA-E*0101 and E*0103 were identified. HLA-E-restricted epitope-specific IFN-γ-secreting CD8+ T cell responses could be detected in individuals vaccinated with SARS-CoV-2 vaccines. Importantly, the frequencies of epitope-specific CD8+ T cells in Ad5-nCoV vaccinated individuals were higher than in individuals vaccinated with recombinant protein or inactivated vaccines. Moreover, the frequencies of epitope-specific CD8+ T cells could be maintained for at least 120 days after only one dose of Ad5-nCoV vaccine, while the frequencies of epitope-specific CD8+ T cells decreased in individuals after two doses of Ad5-nCoV vaccine. These findings may contribute to a more comprehensive evaluation of the protective effects of vaccines for SARS-CoV-2; meanwhile, they may provide information to characterize HLA-E-restricted CD8+ T cell immunity against SARS-CoV-2 infection.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Ran Zhuang
- Department of Immunology, Air Force Medical University, Xi’an 710032, China; (Y.W.); (L.Y.); (K.T.); (Y.Z.); (C.Z.); (Y.Z.); (B.J.); (Y.Z.)
| | - Ying Ma
- Department of Immunology, Air Force Medical University, Xi’an 710032, China; (Y.W.); (L.Y.); (K.T.); (Y.Z.); (C.Z.); (Y.Z.); (B.J.); (Y.Z.)
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Ma J, Hu W, Liu Y, Duan C, Zhang D, Wang Y, Cheng K, Yang L, Wu S, Jin B, Zhang Y, Zhuang R. CD226 maintains regulatory T cell phenotype stability and metabolism by the mTOR/Myc pathway under inflammatory conditions. Cell Rep 2023; 42:113306. [PMID: 37864795 DOI: 10.1016/j.celrep.2023.113306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 09/22/2023] [Accepted: 10/04/2023] [Indexed: 10/23/2023] Open
Abstract
Regulatory T (Treg) cells exhibit immunosuppressive phenotypes and particular metabolic patterns with certain degrees of plasticity. Previous studies of the effects of the co-stimulatory molecule CD226 on Treg cells are controversial. Here, we show that CD226 primarily maintains the Treg cell stability and metabolism phenotype under inflammatory conditions. Conditional deletion of CD226 within Foxp3+ cells exacerbates symptoms in murine graft versus host disease models. Treg cell-specific deletion of CD226 increases the Treg cell percentage in immune organs but weakens their immunosuppressive function with a T helper 1-like phenotype conversion under inflammation. CD226-deficient Treg cells exhibit reduced oxidative phosphorylation and increased glycolysis rates, which are regulated by the adenosine 5'-monophosphate-activated protein kinase (AMPK)/mammalian target of rapamycin (mTOR)/myelocytomatosis oncogene (Myc) pathway, and inhibition of Myc signaling restores the impaired functions of CD226-deficient Treg cells in an inflammatory disease model of colitis. This study reveals an Myc-mediated CD226 regulation of Treg cell phenotypic stability and metabolism, providing potential therapeutic strategies for targeted interventions of Treg cell-specific CD226 in inflammatory diseases.
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Affiliation(s)
- Jingchang Ma
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China
| | - Wei Hu
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China; Department of Emergency, The Fifth Medical Center of Chinese PLA General Hospital, #100 Western 4th Ring Road, Beijing 100039, China
| | - Yitian Liu
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China
| | - Chujun Duan
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China; Institute of Medical Research, Northwestern Polytechnical University, #127 West Youyi Road, Xi'an, Shaanxi 710072, China
| | - Dongliang Zhang
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China
| | - Yuling Wang
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China
| | - Kun Cheng
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China
| | - Lu Yang
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China
| | - Shuwen Wu
- Institute of Medical Research, Northwestern Polytechnical University, #127 West Youyi Road, Xi'an, Shaanxi 710072, China
| | - Boquan Jin
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China
| | - Yuan Zhang
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China; Institute of Medical Research, Northwestern Polytechnical University, #127 West Youyi Road, Xi'an, Shaanxi 710072, China.
| | - Ran Zhuang
- Department of Immunology, Fourth Military Medical University, #169 West Changle Road, Xi'an, Shaanxi 710032, China; Institute of Medical Research, Northwestern Polytechnical University, #127 West Youyi Road, Xi'an, Shaanxi 710072, China.
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Zhang Y, Wang M, Zhang X, Tang K, Zhang C, Jia X, Hu H, Liu H, Li N, Zhuang R, Jin B, Ma Y, Zhang Y. HTNV infection induces activation and deficiency of CD8+MAIT cells in HFRS patients. Clin Exp Immunol 2023; 211:1-14. [PMID: 36480318 PMCID: PMC9993462 DOI: 10.1093/cei/uxac111] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/19/2022] [Accepted: 12/02/2022] [Indexed: 12/14/2022] Open
Abstract
Hantaan virus (HTNV) infection causes an epidemic of hemorrhagic fever with renal syndrome (HFRS) mainly in Asia. Mucosal-associated invariant T (MAIT) cells are innate-like T lymphocytes known to play an important role in innate host defense during virus infection. However, their roles and phenotypes during HTNV infection have not yet been explored. We characterized CD8+MAIT cells from HFRS patients based on scRNA-seq data combined with flow cytometry data. We showed that HTNV infection caused the loss and activation of CD8+MAIT cells in the peripheral blood, which were correlated with disease severity. The production of granzyme B and IFN-γ from CD8+MAIT cells and the limitation of HTNV replication in endothelia cells indicated the anti-viral property of CD8+MAIT cells. In addition, in vitro infection of MAIT cells by HTNV or HTNV-exposed monocytes showed that the activation of MAIT cells was IL-18 mediated. In conclusion, this study identified, for the first time, gene expression profiles of MAIT cells, provided underlying molecular mechanisms for activation of MAIT cells during HTNV infection, and suggested a potential anti-viral role of MAIT cells in HFRS.
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Affiliation(s)
- Yusi Zhang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Meng Wang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
- Department of Immunology, School of Basic Medical Sciences, Yan’an university, Yan’an 716000, China
| | - Xiyue Zhang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
- Department of Pathogenic Biology, School of Basic Medical Sciences, Yan’an university, Yan’an 716000, China
| | - Kang Tang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Chunmei Zhang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | | | - Haifeng Hu
- Center for Infectious Diseases, Second Affiliated Hospital of Air Force Medical University (Fourth Military Medical University), Xi’an 710038, China
| | - He Liu
- Department of Microbiology, School of Basic Medicine, Fourth Military Medical University, Xi΄an 710032, China
| | - Na Li
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, Shaanxi, China
| | - Ran Zhuang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Boquan Jin
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Ying Ma
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Yun Zhang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
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Tang K, Hou Y, Cheng L, Zhang Y, Li J, Qin Q, Zheng X, Jia X, Zhang C, Zhuang R, Zhang Y, Jin B, Chen L, Ma Y. Increased blood CD226 - inflammatory monocytes with low antigen presenting potential correlate positively with severity of hemorrhagic fever with renal syndrome. Ann Med 2023; 55:2247000. [PMID: 37585670 PMCID: PMC10435008 DOI: 10.1080/07853890.2023.2247000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 08/03/2023] [Accepted: 08/04/2023] [Indexed: 08/18/2023] Open
Abstract
BACKGROUND Hantaan virus (HTNV) infection can cause severe hemorrhagic fever with renal syndrome (HFRS). Inflammatory monocytes (iMOs) are involved in early antiviral responses. Previous studies have found that blood iMOs numbers increase in the acute phase of HFRS. Here, we further identified the phenotypic characteristics of iMOs in HFRS and explored whether phenotypic changes in iMOs were associated with HFRS severity. MATERIALS AND METHODS Blood samples from 85 HFRS patients were used for phenotypic analysis of iMOs by flow cytometry. Plasma HTNV load was determined using RT-PCR. THP-1 cells overexpressing CD226 were used to investigate the effects of CD226 on HLA-DR/DP/DQ and CD80 expression. A mouse model was used to test macrophage phenotype following HTNV infection. RESULTS The proportion of CD226- iMOs in the acute phase of HFRS was 66.83 (35.05-81.72) %, which was significantly higher than that in the convalescent phase (5.32 (1.36-13.52) %) and normal controls (7.39 (1.15-18.11) %) (p < 0.0001). In the acute phase, the proportion of CD226- iMOs increased more in patients with more severe HFRS and correlated positively with HTNV load and negatively with platelet count. Notably, CD226- iMOs expressed lower levels of HLA-DR/DP/DQ and CD80 than CD226+ iMOs, and overexpression CD226 could enhance the expression of HLA-DR/DP/DQ and CD80. In a mouse model, HTNV also induced the expansion of CD226- macrophages, with decreased expression of I-A/I-E and CD80. CONCLUSIONS CD226- iMOs increased during HTNV infection and the decrease in CD226 hampered the expression of HLA-DR/DP/DQ and CD80, which may promote the immune escape of HTNV and exacerbate clinical symptoms.
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Affiliation(s)
- Kang Tang
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
| | - Yongli Hou
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
| | - Linfeng Cheng
- Department of Microbiology, The Fourth Military Medical University, Xi’an, P. R. China
| | - Yusi Zhang
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
| | - Juan Li
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
| | - Qi Qin
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
| | - Xuyang Zheng
- Center for Infectious Diseases, Tangdu Hospital, The Fourth Military Medical University, Xi’an, Shaanxi, P. R. China
| | - Xiaozhou Jia
- Eighth Hospital of Xi’an, Xi’an, Shaanxi, P. R. China
| | - Chunmei Zhang
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
| | - Ran Zhuang
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
| | - Yun Zhang
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
| | - Lihua Chen
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
| | - Ying Ma
- Department of Immunology, The Fourth Military Medical University, Xincheng District, Xi’an, Shaanxi, P. R. China
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Tang K, Zhang Y, Zhang C, Hu H, Zhuang R, Jin B, Zhang Y, Ma Y. Hantaan virus-induced elevation of plasma osteoprotegerin and its clinical implications in hemorrhagic fever with renal syndrome. Int J Infect Dis 2023; 126:14-21. [PMID: 36371012 DOI: 10.1016/j.ijid.2022.11.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 10/13/2022] [Accepted: 11/06/2022] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVES The bleeding tendency is a hallmark of hemorrhagic fever with renal syndrome (HFRS) after Hantaan virus (HTNV) infection. Growing reports indicate the importance of osteoprotegerin (OPG) in vascular homeostasis, implying OPG might be involved in the pathogenesis of coagulopathy in patients with HFRS. METHODS Acute and convalescence plasmas of 32 patients with HFRS were collected. Enzyme-linked immunosorbent assays (ELISA) were used to detect plasma OPG levels and other parameters. The human umbilical vein endothelial cells were stimulated with HTNV and/or tumor necrosis factor-α (TNF-α) to explore the source of OPG. RESULTS Plasma OPG levels of patients with HFRS were elevated and correlated positively with the severity of HFRS and negatively with platelet counts. Abundant OPG was released from endothelial cells in response to TNF-α stimuli, along with HTNV infection, which was in accordance with the findings of positive correlations between plasma OPG and TNF-α or c-reactive protein. Importantly, plasma OPG levels correlated positively with activated partial thromboplastin time and the content of d-dimer. CONCLUSION These findings suggested that increased plasma OPG levels induced by HTNV might be an important factor for the severity of HFRS, and was likely involved in endothelium dysfunction and hemorrhagic disorder of HFRS, which might contribute to the pathogenesis of hemorrhage in HFRS.
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Affiliation(s)
- Kang Tang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Yusi Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Chunmei Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Haifeng Hu
- Department of Infectious Diseases, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Ran Zhuang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Yun Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China.
| | - Ying Ma
- Department of Immunology, The Fourth Military Medical University, Xi'an, China.
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Zhang X, Zhang Y, Liu H, Tang K, Zhang C, Wang M, Xue M, Jia X, Hu H, Li N, Zhuang R, Jin B, Zhang F, Zhang Y, Ma Y. IL-15 induced bystander activation of CD8 + T cells may mediate endothelium injury through NKG2D in Hantaan virus infection. Front Cell Infect Microbiol 2022; 12:1084841. [PMID: 36590594 PMCID: PMC9797980 DOI: 10.3389/fcimb.2022.1084841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022] Open
Abstract
Introduction Hantaan virus (HTNV) can cause endothelium injury in hemorrhagic fever with renal syndrome (HFRS) patients. Bystander activation of CD8+ T cells by virus infection has been shown that was involved in host injury, but it is unclear during HTNV infection. This project aimed to study the effect of bystander-activated CD8+ T cell responses in HTNV infection. Methods The in vitro infection model was established to imitate the injury of endothelium in HFRS patients. Flow cytometry was performed to detect the expression of markers of tetramer+ CD8+ T cells and human umbilical vein endothelial cells (HUVECs). The levels of interleukin-15 (IL-15) in serum and supermanant were detected using ELISA kit. The expression of MICA of HUVECs was respectively determined by flow cytometry and western blot. The cytotoxicity of CD8+ T cells was assessed through the cytotoxicity assay and antibody blocking assay. Results EBV or CMV-specific CD8+ T cells were bystander activated after HTNV infection in HFRS patients. HTNV-infected HUVECs in vitro could produce high levels of IL-15, which was positively correlated with disease severity and the expression of NKG2D on bystander-activated CD8+ T cells. Moreover, the elevated IL-15 could induce activation of CD122 (IL-15Rβ)+NKG2D+ EBV/CMV-specific CD8+ T cells. The expression of IL-15Rα and ligand for NKG2D were upregulated on HTNV-infected HUVECs. Bystander-activated CD8+ T cells could exert cytotoxicity effects against HTNV-infected HUVECs, which could be enhanced by IL-15 stimulation and blocked by NKG2D antibody. Discussion IL-15 induced bystander activation of CD8+ T cells through NKG2D, which may mediate endothelium injury during HTNV infection in HFRS patients.
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Affiliation(s)
- Xiyue Zhang
- Department of Immunology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China,Basic Medicine School, Yanan University, Yan’an, China
| | - Yusi Zhang
- Department of Immunology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China
| | - He Liu
- Department of Microbiology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China
| | - Kang Tang
- Department of Immunology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China
| | - Chunmei Zhang
- Department of Immunology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China
| | - Meng Wang
- Department of Immunology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China,Basic Medicine School, Yanan University, Yan’an, China
| | - Manling Xue
- Department of Immunology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China,Basic Medicine School, Yanan University, Yan’an, China
| | - Xiaozhou Jia
- Department of Infectious Diseases, Eighth Hospital of Xi'an, Xi’an, China
| | - Haifeng Hu
- Center for Infectious Diseases, Tangdu Hospital, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China
| | - Na Li
- Department of Transfusion Medicine, Xijing Hospital, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China
| | - Ran Zhuang
- Department of Immunology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China
| | - Boquan Jin
- Department of Immunology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China
| | - Fanglin Zhang
- Department of Microbiology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China
| | - Yun Zhang
- Department of Immunology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China,*Correspondence: Yun Zhang, ; Ying Ma,
| | - Ying Ma
- Department of Immunology, Basic Medicine School, Air-Force Medical University (The Fourth Military Medical University), Xi’an, China,*Correspondence: Yun Zhang, ; Ying Ma,
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11
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Zhang J, Zhang Y, Tang K, Ma Y, Zhang C, Zhuang R, Jin B, Zhang Y. [The role of red blood cells in immune response to infection: A review]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi 2022; 38:1044-1050. [PMID: 36328435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Red blood cells are the largest number of cells in blood. Apart from transporting oxygen and carbon dioxide, they also regulate the immune responses. It has been confirmed that red blood cells can play a role in clearing immune complex, promoting phagocytosis, and presenting antigen through immune adhesion.They can also regulate the immune response by participating in the oxidative stress or interacting with the other lymphocytes. Furthermore, when pathogens invading, the host will exert anti-infective immune response and also induce inflammatory response, causing a series of immunopathological injuries, which may bring changes to the red blood cells' maturation process, their morphology, and functionality. This review summarizes recent progresses on the roles and mechanisms of red blood cells in anti-infectious immunity, providing theoretical basis for revealing pathogenesis and exploring therapeutic targets.
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Affiliation(s)
- Jingang Zhang
- Department of Immunology, Air Force Medical University, Xi'an 710032, China
| | - Yun Zhang
- Department of Immunology, Air Force Medical University, Xi'an 710032, China
| | - Kang Tang
- Department of Immunology, Air Force Medical University, Xi'an 710032, China
| | - Ying Ma
- Department of Immunology, Air Force Medical University, Xi'an 710032, China
| | - Chunmei Zhang
- Department of Immunology, Air Force Medical University, Xi'an 710032, China
| | - Ran Zhuang
- Department of Immunology, Air Force Medical University, Xi'an 710032, China
| | - Boquan Jin
- Department of Immunology, Air Force Medical University, Xi'an 710032, China
| | - Yusi Zhang
- Department of Immunology, Air Force Medical University, Xi'an 710032, China. *Corresponding author, E-mail:
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12
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Zhang H, Wang Y, Ma Y, Tang K, Zhang C, Wang M, Zhang X, Xue M, Jia X, Hu H, Li N, Zhuang R, Jin B, Chen L, Zhang Y, Zhang Y. Increased CD4 +CD8 + Double Positive T Cells during Hantaan Virus Infection. Viruses 2022; 14:2243. [PMID: 36298798 PMCID: PMC9611689 DOI: 10.3390/v14102243] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 09/02/2023] Open
Abstract
Hantaan virus (HTNV) infection causes an epidemic of hemorrhagic fever with renal syndrome (HFRS) mainly in Asia. It is well known that T cells mediated anti-viral immune response. Although previous studies showed that double positive T (DP T) cells, a little portion of T lymphocytes, were involved in adaptive immune response during virus infection, their kinetic changes and roles in HTNV infection have not yet been explored. In this study, we characterized DP T cells from HFRS patients based on flow cytometry data combined with scRNA-seq data. We showed that HTNV infection caused the upregulation of DP T cells in the peripheral blood, which were correlated with disease stage. The scRNA-seq data clustered DP T cells, unraveled their gene expression profile, and estimated the ordering of these cells. The production of granzyme B and CD107a from DP T cells and the abundant TCR distribution indicated the anti-viral property of DP T cells. In conclusion, this study identified, for the first time, an accumulation of DP T cells in the peripheral blood of HFRS patients and suggested these DP T cells belonging to CD8+T cells lineage. The DP T cells shared the similar characteristics with cytotoxic T cells (CTL) and exerted an anti-viral role in HFRS.
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Affiliation(s)
- Huiyuan Zhang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
- Department of Immunology, School of Basic Medical Sciences, Yan’an University, Yan’an 716000, China
| | - Yazhen Wang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Ying Ma
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Kang Tang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Chunmei Zhang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Meng Wang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
- Department of Immunology, School of Basic Medical Sciences, Yan’an University, Yan’an 716000, China
| | - Xiyue Zhang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
- Department of Pathogenic Biology, School of Basic Medical Sciences, Yan’an University, Yan’an 716000, China
| | - Manling Xue
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
- Department of Immunology, School of Basic Medical Sciences, Yan’an University, Yan’an 716000, China
| | | | - Haifeng Hu
- Center for Infectious Diseases, Tangdu Hospital, Fourth Military Medical University, Xi’an 710038, China
| | - Na Li
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Ran Zhuang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Boquan Jin
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Lihua Chen
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Yun Zhang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
| | - Yusi Zhang
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an 710032, China
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13
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Zheng X, Zhou X, Ma G, Yu J, Zhang M, Yang C, Hu Y, Ma S, Han Z, Ning W, Jin B, Zhou X, Wang J, Han Y. Endogenous Follistatin-like 1 guarantees the immunomodulatory properties of mesenchymal stem cells during liver fibrotic therapy. Stem Cell Res Ther 2022; 13:403. [PMID: 35932064 PMCID: PMC9356430 DOI: 10.1186/s13287-022-03042-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 07/07/2022] [Indexed: 11/10/2022] Open
Abstract
Background Mesenchymal stem cell (MSC) therapy has been shown to be a promising option for liver fibrosis treatment. However, critical factors affecting the efficacy of MSC therapy for liver fibrosis remain unknown. Follistatin-like 1 (FSTL1), a TGF-β-induced matricellular protein, is documented as an intrinsic regulator of proliferation and differentiation in MSCs. In the present study, we characterized the potential role of FSTL1 in MSC-based anti-fibrotic therapy and further elucidated the mechanisms underlying its action. Methods Human umbilical cord-derived MSCs were characterized by flow cytometry. FSTL1low MSCs were achieved by FSTL1 siRNA. Migration capacity was evaluated by wound-healing and transwell assay. A murine liver fibrotic model was created by carbon tetrachloride (CCl4) injection, while control MSCs or FSTL1low MSC were transplanted via intravenous injection 12 weeks post CCl4 injection. Histopathology, liver function, fibrosis degree, and inflammation were analysed thereafter. Inflammatory cell infiltration was evaluated by flow cytometry after hepatic nonparenchymal cell isolation. An MSC-macrophage co-culture system was constructed to further confirm the role of FSTL1 in the immunosuppressive capacity of MSCs. RNA sequencing was used to screen target genes of FSTL1. Results FSTL1low MSCs had comparable gene expression for surface markers to wildtype but limited differentiation and migration capacity. FSTL1low MSCs failed to alleviate CCl4-induced hepatic fibrosis in a mouse model. Our data indicated that FSTL1 is essential for the immunosuppressive action of MSCs on inflammatory macrophages during liver fibrotic therapy. FSTL1 silencing attenuated this capacity by inhibiting the downstream JAK/STAT1/IDO pathway. Conclusions Our data suggest that FSTL1 facilitates the immunosuppression of MSCs on macrophages and that guarantee the anti-fibrotic effect of MSCs in liver fibrosis. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-03042-4.
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Affiliation(s)
- Xiaohong Zheng
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China.,Department of Immunology, Fourth Military Medical University, Xi'an, 710032, China
| | - Xia Zhou
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Gang Ma
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Jiahao Yu
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Miao Zhang
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Chunmei Yang
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Yinan Hu
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Shuoyi Ma
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Zheyi Han
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China
| | - Wen Ning
- State Key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Boquan Jin
- Department of Immunology, Fourth Military Medical University, Xi'an, 710032, China
| | - Xinmin Zhou
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China.
| | - Jingbo Wang
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China.
| | - Ying Han
- State Key Laboratory of Cancer Biology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, 127 Changle West Road, Xi'an, 710032, China.
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14
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Li P, Zhang C, Wang M, Zhang X, Zhang Y, Tang K, Hu H, Jia X, Zhuang R, Jin B, Ma Y, Zhang Y. Elevation of Myeloperoxidase Correlates with Disease Severity in Patients with Hantaan Virus Infection. Viral Immunol 2022; 35:418-424. [PMID: 35675645 DOI: 10.1089/vim.2022.0007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Hantaan orthohantavirus (HTNV) can cause hemorrhagic fever with renal syndrome (HFRS) characterized by acute kidney injury and hemorrhage. Neutrophils are the most abundant innate immune cell and the body's first line of defense against pathogens. Currently, an increasing number of studies have shown that neutrophils may be a mixed blessing in terms of viral infections. However, the role of neutrophils in HFRS patients with HTNV infection has not been fully declared. In this study, we analyzed plasma levels of both myeloperoxidase (MPO) and MPO-DNA in HFRS patients, together with the clinical parameters. Neutrophil-platelet aggregates (NPAs) during the acute and convalescent phases of HFRS were also assessed. The results showed that plasma MPO-DNA levels had no change in different disease phases or severities of HFRS patients. Whereas plasma MPO significantly increased in the acute phase and critical/severe groups of HFRS patients. Furthermore, plasma MPO was positively correlated with inflammatory clinical parameters, such as white blood cell counts, neutrophil counts, and renal injury-related parameters, such as blood urea nitrogen, blood uric acid, and serum creatinine, as well as negatively correlated with and platelet counts. In addition, NPAs increased both in acute and convalescent phase in HFRS patients compared with normal controls. These results suggested that elevated plasma MPO in HFRS patients correlated with disease severity, together with the increases of NPAs in HFRS patients, which may provide new insights into potential role of neutrophils in the pathogenesis of HFRS.
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Affiliation(s)
- Pengcheng Li
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China.,Brigade of Cadet, Air Force Medical University, Xi'an, China
| | - Chunmei Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Meng Wang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Xiyue Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Yusi Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Kang Tang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Haifeng Hu
- Center for Infectious Diseases, Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Xiaozhou Jia
- Department of Infectious Disease, Xi'an Eighth Hospital, Xi'an, China
| | - Ran Zhuang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Ying Ma
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Yun Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
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15
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Chen P, Wu M, Wang N, Xia F, Du F, Liu Z, Wang J, Jin J, Jin B, Zhao G, Chen L, Yi J, Fang L. Expression of CD226 is upregulated on Tr1 cells from neuromyelitis optica spectrum disorder patients. Brain Behav 2022; 12:e2623. [PMID: 35587519 PMCID: PMC9226801 DOI: 10.1002/brb3.2623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/24/2022] [Accepted: 04/24/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Neuromyelitis optica spectrum disorder (NMOSD) is a central and acute demyelinating disease of the central nervous system with unusual clinical course. The development of novel biomarkers for NMOSD is critical for implementing effective clinical treatment. CD226 is known to be expressed on many types of peripheral lymphoid cells. However, the expression level and function of CD226 on type 1 T regulatory (Tr1) cells during NMOSD is unknown. METHODS Eighteen patients with NMOSD and 10 healthy volunteers were enrolled in the test group to probe the difference of CD226 expression on Tr1 cells using flow cytometric analysis. RESULTS The expression of CD226 on Tr1 cells exhibited significantly increased tendency in NMOSD patients. Additionally, methylprednisolone and rituximab treatment decreased the expression of CD226 on Tr1 cells. Furthermore, the expression of CD226 on Tr1 cells was correlated with disease severity. CONCLUSION This study provides a new basic insight into CD226 expression pattern on Tr1 cells, which have great potential to be biomarkers for monitoring the development and treatment of NMOSD.
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Affiliation(s)
- Ping Chen
- Department of Neurology, Xianyang Hospital of Yan'an University, Xianyang, China.,Department of Immunology, Medical College of Yan'an University, Yan'an, China.,Department of Immunology, the Fourth Military Medical University, Xi'an, China
| | - Mingmei Wu
- Department of Neurobiology, the Fourth Military Medical University, Xi'an, China
| | - Ning Wang
- Department of Immunology, the Fourth Military Medical University, Xi'an, China
| | - Feng Xia
- Department of Neurology, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Fang Du
- Department of Neurology, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Zhirong Liu
- Department of Neurology, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Jinchun Wang
- Department of Neurology, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Jingyi Jin
- Department of Immunology, the Fourth Military Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, the Fourth Military Medical University, Xi'an, China
| | - Gang Zhao
- Department of Neurology, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Lihua Chen
- Department of Immunology, the Fourth Military Medical University, Xi'an, China
| | - Jing Yi
- Department of Transfusion Medicine, Xijing Hospital, the Fourth Military Medical University, Xi'an, China
| | - Liang Fang
- Department of Immunology, the Fourth Military Medical University, Xi'an, China
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16
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Ma J, Hu W, Zhang D, Xie J, Duan C, Liu Y, Wang Y, Xu X, Cheng K, Jin B, Zhang Y, Zhuang R. CD226 knockout alleviates high-fat diet induced obesity by suppressing proinflammatory macrophage phenotype. J Transl Med 2021; 19:477. [PMID: 34823548 PMCID: PMC8620575 DOI: 10.1186/s12967-021-03150-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/17/2021] [Indexed: 12/30/2022] Open
Abstract
Obesity is associated with chronic low-grade inflammation, contributing to an increasing prevalence of chronic metabolic diseases, such as insulin resistance, non-alcoholic fatty liver disease (NALFD), and steatohepatitis. Macrophages are the predominant immune cells in adipose tissues. Adipose tissue macrophages (ATMs) would switch to pro-inflammatory M1 state during obesity, causing local and systemic inflammation. However, the regulatory mechanism of ATMs has not yet been well described within this process. Using a high-fat diet (HFD)–induced mouse obesity model, we found that the costimulatory molecule CD226 was highly expressed on ATMs and knockout (KO) of CD226 alleviated obesity caused by HFD. Loss of CD226 reduced the accumulation of ATMs and hindered macrophage M1 polarization, with lower serum proinflammatory cytokine levels. Furthermore, deficiency of CD226 on ATMs decreased the phosphorylation levels of VAV1, AKT, and FOXO1 and thereby upregulated PPAR-γ. Further administration of PPAR-γ inhibitor restored M1 phenotype in CD226KO ATMs. In summary, loss of CD226 alleviates the HFD-induced obesity and systemic inflammation through inhibition of the accumulation and M1 polarization of ATMs in which PPAR-γ-dependent signaling pathway is involved, suggesting that CD226 may be identified as a potential molecular target for the clinical treatment of obesity.
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Affiliation(s)
- Jingchang Ma
- Department of Immunology, Fourth Military Medical University, 169 West Changle Road, Xi'an, 710032, Shaanxi, China
| | - Wei Hu
- Department of Immunology, Fourth Military Medical University, 169 West Changle Road, Xi'an, 710032, Shaanxi, China
| | - Dongliang Zhang
- Department of Immunology, Fourth Military Medical University, 169 West Changle Road, Xi'an, 710032, Shaanxi, China
| | - Jiangang Xie
- Department of Immunology, Fourth Military Medical University, 169 West Changle Road, Xi'an, 710032, Shaanxi, China
| | - Chujun Duan
- Department of Immunology, Fourth Military Medical University, 169 West Changle Road, Xi'an, 710032, Shaanxi, China
| | - Yitian Liu
- Department of Immunology, Fourth Military Medical University, 169 West Changle Road, Xi'an, 710032, Shaanxi, China
| | - Yuling Wang
- Department of Immunology, Fourth Military Medical University, 169 West Changle Road, Xi'an, 710032, Shaanxi, China
| | - Xuexue Xu
- Institute of Medical Research, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, Shaanxi, China
| | - Kun Cheng
- Department of Immunology, Fourth Military Medical University, 169 West Changle Road, Xi'an, 710032, Shaanxi, China
| | - Boquan Jin
- Department of Immunology, Fourth Military Medical University, 169 West Changle Road, Xi'an, 710032, Shaanxi, China
| | - Yuan Zhang
- Institute of Medical Research, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, Shaanxi, China.
| | - Ran Zhuang
- Department of Immunology, Fourth Military Medical University, 169 West Changle Road, Xi'an, 710032, Shaanxi, China. .,Institute of Medical Research, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, Shaanxi, China.
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17
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Ma J, Wu S, Wang Y, Li N, Zhou G, Xu X, Cheng K, Jin B, Zhang Y, Zhuang R. [Preparation and identification of mouse-derived monoclonal antibodies to human ST2 molecule]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi 2021; 37:1026-1031. [PMID: 34809742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Objective To prepare mouse-derived monoclonal antibody against human suppression of tumorigenicity 2 (ST2) molecule and make initial identification. Methods BALB/c mice were immunized with the recombinant human ST2 molecule, and the conventional B-cell hybridoma technology was used to prepare the anti-ST2 monoclonal antibodies (mAbs). Their application in western blotting, immunohistochemistry, and flow cytometry were evaluated. The sandwich ELISA detecting soluble ST2 was established to test the serum levels of ST2 in patients with heat stroke. And the ST2 luciferase reporter gene detection system was established to detect their neutralization activity. Results Thirty-eight hybridoma cell lines secreting mouse anti-human ST2 mAb were obtained and named from XA325.1 to XA325.38. Preliminary screening and identification of them showed that they can be used to identify the purified recombinant ST2 proteins and cellular expressed ST2 using western blotting and immunohistochemistry. Two of them can be used for flow cytometry to identify the exogenously transfected ST2 molecule on the cell surface. Using XA325.16 mAb coating, combined with XA325.5-labeled biotin, an ELISA kit detecting soluble ST2 in serum was established. It was found that the serum levels of ST2 in patients with heat stroke increased significantly. Moreover, XA325.5 was found with neutralizing activity which can block the biological effect of IL-33. Conclusion A set of mouse anti-human ST2 mAbs was prepared, which can be used in a variety of immunological detection techniques. Besides, XA325.5 neutralizing antibody has a potential value in clinical application.
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Affiliation(s)
- Jingchang Ma
- Department of Immunology, School of Basic Medicine, Air Force Medical University, Xi'an 710032, China
| | - Shuwen Wu
- Medical Research Institute of Northwestern Polytechnical University, Xi'an 710068, China
| | - Yuling Wang
- Department of Immunology, School of Basic Medicine, Air Force Medical University, Xi'an 710032, China
| | - Na Li
- Department of Immunology, School of Basic Medicine, Air Force Medical University, Xi'an 710032, China
| | - Gengyao Zhou
- Department of Immunology, School of Basic Medicine, Air Force Medical University, Xi'an 710032, China
| | - Xuexue Xu
- Medical Research Institute of Northwestern Polytechnical University, Xi'an 710068, China
| | - Kun Cheng
- Department of Immunology, School of Basic Medicine, Air Force Medical University, Xi'an 710032, China
| | - Boquan Jin
- Department of Immunology, School of Basic Medicine, Air Force Medical University, Xi'an 710032, China
| | - Yuan Zhang
- Medical Research Institute of Northwestern Polytechnical University, Xi'an 710068, China
| | - Ran Zhuang
- Department of Immunology, School of Basic Medicine, Air Force Medical University, Xi'an 710032; Medical Research Institute of Northwestern Polytechnical University, Xi'an 710068, China. *Corresponding author, E-mail:
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18
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Zhou S, Xie J, Yu C, Feng Z, Cheng K, Ma J, Wang Y, Duan C, Zhang Y, Jin B, Yin W, Zhuang R. CD226 deficiency promotes glutaminolysis and alleviates mitochondria damage in vascular endothelial cells under hemorrhagic shock. FASEB J 2021; 35:e21998. [PMID: 34669985 DOI: 10.1096/fj.202101134r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 09/23/2021] [Accepted: 10/04/2021] [Indexed: 12/18/2022]
Abstract
Hemorrhagic shock (HS) is common in clinical emergencies, leading to millions of deaths each year globally. CD226 is a costimulatory adhesion molecule expressed on both immune cells and endothelial cells (ECs) to regulate their metabolic activity and function. As endothelial dysfunction occurs after HS, the roles CD226 plays in vascular EC metabolism were investigated. CD226fl/fl Tekcre mice were adopted to achieve vascular EC-specific knockout of CD226, and subjected to HS modelling. Serum levels of crucial intermediate metabolites were evaluated through liquid chromatography-mass spectrometry analysis. Human umbilical vein ECs (HUVECs) were used to study the effects of CD226 under hypoxia in vitro. Seahorse analysis evaluated the cellular glycolysis and mitochondria bioenergetics. Results showed that CD226 deficiency in vascular ECs alleviated HS-induced intestinal damage and inflammatory response in mice. Animal studies indicated an improved energy metabolism when CD226 was knocked out in ECs after HS, as evidenced by enhanced glutamine-glutamate metabolism and decreased lactic acid levels. Glut-1 was upregulated in mouse vascular ECs after HS and HUVECs under hypoxia, combined with decreased CD226. Moreover, HUVECs with CD226 knockdown exhibited relieved mitochondrial damage and early apoptosis under hypoxia, whereas CD226 overexpression showed opposite effects. Seahorse analysis showed that downregulated CD226 significantly increased mitochondrial ATP production and glucose uptake in HUVECs under hypoxia. Additionally, Erk/PHD2 signaling-mediated HIF-1α/Glut-1 and HIF-2α/ASCT2 pathways were involved in CD226 regulation on HUVEC glutaminolysis after hypoxia. Hence, CD226 deficiency promotes bypass energy supply to vascular ECs under ischemic or hypoxic stress, to ameliorate the stress-mediated metabolic disturbance.
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Affiliation(s)
- Shangxun Zhou
- Department of Immunology, Fourth Military Medical University, Xi'an, China.,Department of Emergency, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jiangang Xie
- Department of Immunology, Fourth Military Medical University, Xi'an, China.,Department of Emergency, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Chaoping Yu
- Department of Immunology, Fourth Military Medical University, Xi'an, China.,Department of Emergency, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhusheng Feng
- Department of Emergency, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Kun Cheng
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Jingchang Ma
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Yuling Wang
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Chujun Duan
- Department of Emergency, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yuan Zhang
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Wen Yin
- Department of Emergency, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Ran Zhuang
- Department of Immunology, Fourth Military Medical University, Xi'an, China.,Institute of Medical Research, Northwestern Polytechnical University, Xi'an, China
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19
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Wang Z, He L, Li W, Xu C, Zhang J, Wang D, Dou K, Zhuang R, Jin B, Zhang W, Hao Q, Zhang K, Zhang W, Wang S, Gao Y, Gu J, Shang L, Tan Z, Su H, Zhang Y, Zhang C, Li M. GDF15 induces immunosuppression via CD48 on regulatory T cells in hepatocellular carcinoma. J Immunother Cancer 2021; 9:jitc-2021-002787. [PMID: 34489334 PMCID: PMC8422483 DOI: 10.1136/jitc-2021-002787] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/22/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND A better understanding of the molecular mechanisms that manifest in the immunosuppressive tumor microenvironment (TME) is crucial for developing more efficacious immunotherapies for hepatocellular carcinoma (HCC), which has a poor response to current immunotherapies. Regulatory T (Treg) cells are key mediators of HCC-associated immunosuppression. We investigated the selective mechanism exploited by HCC that lead to Treg cells expansion and to find more efficacious immunotherapies. METHODS We used matched tumor tissues and blood samples from 150 patients with HCC to identify key factors of Treg cells expansion. We used mass cytometry (CyTOF) and orthotopic cancer mouse models to analyze overall immunological changes after growth differentiation factor 15 (GDF15) gene ablation in HCC. We used flow cytometry, coimmunoprecipitation, RNA sequencing, mass spectrum, chromatin immunoprecipitation and Gdf15 -/-, OT-I and GFP transgenic mice to demonstrate the effects of GDF15 on Treg cells and related molecular mechanism. We used hybridoma technology to generate monoclonal antibody to block GDF15 and evaluate its effects on HCC-associated immunosuppression. RESULTS GDF15 is positively associated with the elevation of Treg cell frequencies in patients wih HCC. Gene ablation of GDF15 in HCC can convert an immunosuppressive TME to an inflammatory state. GDF15 promotes the generation of peripherally derived inducible Treg (iTreg) cells and enhances the suppressive function of natural Treg (nTreg) cells by interacting with a previously unrecognized receptor CD48 on T cells and thus downregulates STUB1, an E3 ligase that mediates forkhead box P3 (FOXP3) protein degradation. GDF15 neutralizing antibody effectively eradicates HCC and augments the antitumor immunity in mouse. CONCLUSIONS Our results reveal the generation and function enhancement of Treg cells induced by GDF15 is a new mechanism for HCC-related immunosuppression. CD48 is the first discovered receptor of GDF15 in the immune system which provide the possibility to solve the molecular mechanism of the immunomodulatory function of GDF15. The therapeutic GDF15 blockade achieves HCC clearance without obvious adverse events.
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Affiliation(s)
- Zhaowei Wang
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Lei He
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Weina Li
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Chuanyang Xu
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jieyu Zhang
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Desheng Wang
- Department of Hepatobiliary Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Kefeng Dou
- Department of Hepatobiliary Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Ran Zhuang
- Department of Immunology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Boquan Jin
- Department of Immunology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Wei Zhang
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Qiang Hao
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Kuo Zhang
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Wangqian Zhang
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Shuning Wang
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yuan Gao
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jintao Gu
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Lei Shang
- Department of Health Statistics, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Zhijun Tan
- Department of Health Statistics, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Haichuan Su
- Department of oncology, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yingqi Zhang
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Cun Zhang
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Meng Li
- State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, China
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20
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Zhang C, Tang K, Zhang Y, Ma Y, Du H, Zheng X, Yang K, Chen L, Zhuang R, Jin B, Zhang Y. Elevated Plasma Fractalkine Level Is Associated with the Severity of Hemorrhagic Fever with Renal Syndrome in Humans. Viral Immunol 2021; 34:491-499. [PMID: 34463135 DOI: 10.1089/vim.2020.0244] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Hantaan virus infection may cause severe lethal hemorrhagic fever with renal syndrome (HFRS) in humans. The chemokine fractalkine (CX3CL1) acts as a proinflammatory cytokine, and it is elevated in several infectious diseases. However, little is known about the contributions of CX3CL1 to HFRS pathogenesis. Present study detected plasma CX3CL1 levels and expression of the receptor CX3CR1 in HFRS patients and discussed the possible effects of CX3CL1 on pathogenesis of HFRS. Plasma CX3CL1 in acute phase and Critical/Severe groups of HFRS patients were significantly increased compared to that in normal controls (p < 0.001 and p < 0.01, respectively). High plasma CX3CL1 was negatively correlated with platelet count (r = -0.5844, p < 0.0001) and positively correlated with blood urea nitrogen (r = 0.3668, p = 0.0039), creatinine (r = 0.42, p = 0.0008), and white blood cells (r = 0.2646, p = 0.0411). Expression of CX3CR1 on nonclassical and intermediate monocytes was also increased in the acute phase (p < 0.01 for both the cells) and Critical/Severe groups (p < 0.05 and p < 0.01, respectively) of HFRS patients compared to that in normal controls. Taken together, elevation of plasma CX3CL1 in HFRS patients and expression of CX3CR1 on nonclassical and intermediate monocyte subsets might provide new insights into the potential role of CX3CL1/CX3CR1 in pathogenesis of HFRS.
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Affiliation(s)
- Chunmei Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Kang Tang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Yusi Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Ying Ma
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Hong Du
- Department of Infectious Diseases, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Xuyang Zheng
- Department of Infectious Diseases, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Kun Yang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Lihua Chen
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Ran Zhuang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Yun Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
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21
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Zhang Y, Zhang Y, Zhuang R, Ma Y, Zhang C, Tang K, Yi H, Jin B. Adiponectin's globular domain inhibits T cell activation by interacting with LAIR-1. Biochem Biophys Res Commun 2021; 573:117-124. [PMID: 34403808 DOI: 10.1016/j.bbrc.2021.08.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 08/08/2021] [Indexed: 12/11/2022]
Abstract
Adiponectin (APN) is the most abundant adipokine in human plasma, and has insulin-sensitizing effect. Recent studies have reported that APN plays both anti- and pro-inflammatory roles under different circumstances. However, there is a lack of convincing evidence that decipher APN's anti-inflammatory role through the known receptors and their downstream signaling pathways. In this study, we evaluated a new molecular mechanism underlying APN's anti-inflammatory roles. Our results revealed that the globular domain of adiponectin (gAdp) interacted with the inhibitory leukocyte-associated immunoglobulin-like receptor-1 (LAIR-1). In vitro experiments showed that gAdp inhibited activation of the T cells via the LAIR-1, through a process that also involved downstream SHP-2. These findings indicate that LAIR-1 is a novel APN receptor, affirming APN's anti-inflammatory effect. In summary, we have identified a novel mechanism of peripheral immunoregulatory processes that provides baseline information for further studies on gAdp's role and its contribution to inflammation.
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Affiliation(s)
- Yusi Zhang
- Department of Immunology, Fourth Military Medical University, Xi'an, 710032, China.
| | - Yun Zhang
- Department of Immunology, Fourth Military Medical University, Xi'an, 710032, China
| | - Ran Zhuang
- Department of Immunology, Fourth Military Medical University, Xi'an, 710032, China
| | - Ying Ma
- Department of Immunology, Fourth Military Medical University, Xi'an, 710032, China
| | - Chunmei Zhang
- Department of Immunology, Fourth Military Medical University, Xi'an, 710032, China
| | - Kang Tang
- Department of Immunology, Fourth Military Medical University, Xi'an, 710032, China
| | - Hongyu Yi
- Medical School of Chinese PLA, Beijing, 100853, China; Department of Critical Care Medicine, The First Medical Centre, Chinese PLA General Hospital, Beijing, 100853, China
| | - Boquan Jin
- Department of Immunology, Fourth Military Medical University, Xi'an, 710032, China.
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22
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Zhang J, Tang K, Zhang Y, Ma Y, Zhang C, Hu H, Jia X, Zhuang R, Jin B, Wang M, Zhang X, Liu D, Zhang Y. The Presence of Circulating Nucleated Red Blood Cells Is Associated With Disease Severity in Patients of Hemorrhagic Fever With Renal Syndrome. Front Med (Lausanne) 2021; 8:665410. [PMID: 34113638 PMCID: PMC8186265 DOI: 10.3389/fmed.2021.665410] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/19/2021] [Indexed: 12/31/2022] Open
Abstract
Hemorrhagic fever with renal syndrome (HFRS) is a regional infectious disease of epidemic potential caused by the Hantaan virus (HTNV). Red blood cells (RBCs) are the major components of peripheral blood. However, pathological changes in RBCs and the underlying mechanisms during HTNV infection remain largely unclear. Therefore, this study sought to explore changes in RBCs in the peripheral blood of HFRS patients. We isolated PBMCs from HFRS patients and performed single-cell RNA sequencing. The results showed that clusters of RBCs in the peripheral blood of HFRS could be classified as nucleated red blood cells (NRBC) based on their cellular components, gene expression profiles and cell surface markers. In addition, it was shown that the higher the count of NRBC in peripheral blood, the more severe the disease status was. Moreover, hematological indices related to RBCs were analyzed and the results showed that impairment in the folate pathway might be the possible reason behind the presence of NRBCs. This study, for the first time showed that the presence of NRBCs in the peripheral blood of HFRS patients was associated with disease severity. This was also the first study to show that infection with the HTNV virus hindered the maturation of RBCs. Therefore, this work provides further insights on the role of and pathological changes in RBCs during HTNV infection.
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Affiliation(s)
- Jingang Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China.,Brigade of Cadet, Air Force Medical University, Xi'an, China
| | - Kang Tang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Yun Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Ying Ma
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Chunmei Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Haifeng Hu
- Center for Infectious Diseases, Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Xiaozhou Jia
- Department of Infectious Disease, Xi'an Eighth Hospital, Xi'an, China
| | - Ran Zhuang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Meng Wang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Xiyue Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
| | - Dalu Liu
- Department of Radiation Medicine and Protection, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, Xi'an, China
| | - Yusi Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University, Xi'an, China
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23
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Wellington D, Yin Z, Abdel-Haq A, Zhang L, Forbester J, Kite K, Rajapaksa U, Laurenson-Schafer H, Makvandi-Nejad S, Jin B, Bowes E, Manoharan K, Maldonado-Perez D, Verrill C, Humphreys IR, Dong T. IFITM3-specific antibody reveals IFN preferences and slow IFN induction of the antiviral factor IFITM3 in humans. Eur J Immunol 2021; 51:742-745. [PMID: 33125710 PMCID: PMC7983929 DOI: 10.1002/eji.202048706] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 10/01/2020] [Accepted: 10/22/2020] [Indexed: 01/09/2023]
Abstract
Using a specific antibody, we found that expression of the viral restriction factor IFITM3 differs across cell types within the immune compartment with higher expression in myeloid rather than lymphoid cells. IFITM3 expression was increased following IFN stimulation, mostly type I, in immune cells, with the exception of T cells.
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Affiliation(s)
- Dannielle Wellington
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford University, Oxford, UK.,Nuffield Department of Medicine, Chinese Academy of Medical Sciences (CAMS) Oxford Institute, Oxford University, Oxford, UK
| | - Zixi Yin
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford University, Oxford, UK.,Nuffield Department of Medicine, Chinese Academy of Medical Sciences (CAMS) Oxford Institute, Oxford University, Oxford, UK
| | - Adi Abdel-Haq
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford University, Oxford, UK.,Charles Tanford-Proteinzentrum, Martin-Luther-Universität Halle-Wittenberg, Institut für Molekulare Medizin, Kurt-Mothes-Straße 3a, Halle, Germany
| | - Liwei Zhang
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford University, Oxford, UK
| | - Jessica Forbester
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford University, Oxford, UK.,Division of Infection and Immunity/Systems Immunity University Research Institute, Cardiff University, Cardiff, UK
| | - Kerry Kite
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford University, Oxford, UK
| | - Ushani Rajapaksa
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford University, Oxford, UK
| | - Henry Laurenson-Schafer
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford University, Oxford, UK
| | - Shokouh Makvandi-Nejad
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford University, Oxford, UK
| | - Boquan Jin
- Fourth Military Medical University, Xian, China
| | - Emma Bowes
- Oxford Radcliffe Biobank, Nuffield Department of Surgical Sciences, Oxford University, Oxford, UK
| | - Krishnageetha Manoharan
- Oxford Radcliffe Biobank, Nuffield Department of Surgical Sciences, Oxford University, Oxford, UK
| | - David Maldonado-Perez
- Oxford Radcliffe Biobank, Nuffield Department of Surgical Sciences, Oxford University, Oxford, UK
| | - Clare Verrill
- Oxford Radcliffe Biobank, Nuffield Department of Surgical Sciences, Oxford University, Oxford, UK
| | - Ian R Humphreys
- Division of Infection and Immunity/Systems Immunity University Research Institute, Cardiff University, Cardiff, UK
| | - Tao Dong
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford University, Oxford, UK.,Nuffield Department of Medicine, Chinese Academy of Medical Sciences (CAMS) Oxford Institute, Oxford University, Oxford, UK
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24
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Yang S, Sun Y, Jiang D, Wang J, Dang E, Li Z, Zhou J, Lu Y, Shi J, Tao L, Wang J, Jin B, Zheng L, Yang K. MiR-362 suppresses cervical cancer progression via directly targeting BAP31 and activating TGFβ/Smad pathway. Cancer Med 2021; 10:305-316. [PMID: 33210473 PMCID: PMC7826455 DOI: 10.1002/cam4.3601] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/29/2020] [Accepted: 10/18/2020] [Indexed: 12/20/2022] Open
Abstract
BAP31 (B-cell receptor-associated protein 31) is an important regulator of intracellular signal transduction and highly expressed in several cancer tissues or testicular tissues. Our previous study had revealed that elevated BAP31 plays a crucial role in the progress and metastasis of cervical cancer. Even so, the precise mechanism of abnormal BAP31 elevation in cervical cancer has not been fully elucidated. We revealed that the expression of BAP31 was mainly regulated by microRNA-362 (miR-362), which was markedly downregulated in cervical cancer tissues and negatively correlated with clinical tumor staging. Overexpression of miR-362 inhibited cervical cancer cell proliferation and increased the proportion of apoptotic cells. Furthermore, miR-362 reduced the tumor sizes and prolonged mice survival time in xenograft nude mice model. Finally, we demonstrated that the BAP31/SPTBN1 complex regulated tumor progression through the Smad 2/3 pathway under the control of miR-362. Collectively, our findings demonstrated that miR-362 could work as an anti-oncomiR that inhibits proliferation and promotes apoptosis in cervical cancer cells via BAP31 and TGFβ/Smad pathway. Overexpression of miR-362 might be a potential therapeutic strategy for cervical cancer.
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Affiliation(s)
- Shuya Yang
- Department of ImmunologyThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Yuanjie Sun
- Department of ImmunologyThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Dongbo Jiang
- Department of ImmunologyThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Jing Wang
- Department of ImmunologyThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Erle Dang
- Department of DermatologyXijing HospitalThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Zichao Li
- School of Basic MedicineThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Jiayi Zhou
- School of Basic MedicineThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Yuchen Lu
- School of Basic MedicineThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Jingqi Shi
- Department of ImmunologyThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Liang Tao
- Department of ImmunologyThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Jun Wang
- Department of Medical Microbiology and ParasitologyThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Boquan Jin
- Department of ImmunologyThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Lianhe Zheng
- Department of OrthopedicsTangdu HospitalThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
| | - Kun Yang
- Department of ImmunologyThe Fourth Military Medical UniversityXi’anShaanxiPeople’s Republic of China
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25
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Zhang X, Jiang D, Yang S, Sun Y, Liu Y, Shi J, Hu C, Pan J, Liu T, Jin B, Yang K. BAP31 Promotes Tumor Cell Proliferation by Stabilizing SERPINE2 in Hepatocellular Carcinoma. Front Cell Dev Biol 2020; 8:607906. [PMID: 33363167 PMCID: PMC7759511 DOI: 10.3389/fcell.2020.607906] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 11/16/2020] [Indexed: 12/16/2022] Open
Abstract
Hepatocellular carcinoma (HCC) patients are mostly diagnosed at an advanced stage, resulting in systemic therapy and poor prognosis. Therefore, the identification of a novel treatment target for HCC is important. B-cell receptor-associated protein 31 (BAP31) has been identified as a cancer/testis antigen; however, BAP31 function and mechanism of action in HCC remain unclear. In this study, BAP31 was demonstrated to be upregulated in HCC and correlated with the clinical stage. BAP31 overexpression promoted HCC cell proliferation and colony formation in vitro and tumor growth in vivo. RNA-sequence (RNA-seq) analysis demonstrated that serpin family E member 2 (SERPINE2) was downregulated in BAP31-knockdown HCC cells. Coimmunoprecipitation and immunofluorescence assays demonstrated that BAP31 directly binds to SERPINE2. The inhibition of SERPINE2 significantly decreased the BAP31-induced cell proliferation and colony formation of HCC cells and phosphorylation of Erk1/2 and p38. Moreover, multiplex immunohistochemistry staining of the HCC tissue microarray showed positive associations between the expression levels of BAP31, SERPINE2, its downstream gene LRP1, and a tumor proliferation marker, Ki-67. The administration of anti-BAP31 antibody significantly inhibited HCC cell xenograft tumor growth in vivo. Thus, these findings suggest that BAP31 promotes tumor cell proliferation by stabilizing SERPINE2 and can serve as a promising candidate therapeutic target for HCC.
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Affiliation(s)
- Xiyang Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Dongbo Jiang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Shuya Yang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Yuanjie Sun
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Yang Liu
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Jingqi Shi
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Chenchen Hu
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Jingyu Pan
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Tianyue Liu
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Kun Yang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
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Ma Y, Tang K, Zhang Y, Zhang C, Cheng L, Zhang F, Zhuang R, Jin B, Zhang Y. Protective CD8 + T-cell response against Hantaan virus infection induced by immunization with designed linear multi-epitope peptides in HLA-A2.1/K b transgenic mice. Virol J 2020; 17:146. [PMID: 33028368 PMCID: PMC7538842 DOI: 10.1186/s12985-020-01421-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 09/28/2020] [Indexed: 12/30/2022] Open
Abstract
Background An effective vaccine that prevents disease caused by hantaviruses is a global public health priority, but up to now, no vaccine has been approved for worldwide use. Therefore, novel vaccines with high prophylaxis efficacy are urgently needed. Methods Herein, we designed and synthesized Hantaan virus (HTNV) linear multi-epitope peptide consisting of HLA-A*02-restricted HTNV cytotoxic T cell (CTL) epitope and pan HLA-DR-binding epitope (PADRE), and evaluated the immunogenicity, as well as effectiveness, of multi-epitope peptides in HLA-A2.1/Kb transgenic mice with interferon (IFN)-γ enzyme-linked immunospot assay, cytotoxic mediator detection, proliferation assay and HTNV-challenge test. Results The results showed that a much higher frequency of specific IFN-γ-secreting CTLs, high levels of granzyme B production, and a strong proliferation capacity of specific CTLs were observed in splenocytes of mice immunized with multi-epitope peptide than in those of a single CTL epitope. Moreover, pre-immunization of multi-epitope peptide could reduce the levels of HTNV RNA loads in the liver, spleen and kidneys of mice, indicating that specific CTL responses induced by multi-epitope peptide could reduce HTNV RNA loads in vivo. Conclusions This study may provide an important foundation for the development of novel peptide vaccines for HTNV prophylaxis.
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Affiliation(s)
- Ying Ma
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China.
| | - Kang Tang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Yusi Zhang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Chunmei Zhang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Linfeng Cheng
- Department of Microbiology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Fanglin Zhang
- Department of Microbiology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Ran Zhuang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Yun Zhang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China.
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Sun Y, Tao L, Ma Y, Yang S, Zhang X, Jin B, Zhang Z, Yang K. Development of an Approach of High Sensitive Chemiluminescent Assay for Cystatin C Using a Nanoparticle Carrier. Front Chem 2020; 8:802. [PMID: 33134263 PMCID: PMC7505105 DOI: 10.3389/fchem.2020.00802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 07/30/2020] [Indexed: 01/19/2023] Open
Abstract
Cystatin C is an important cysteine protease inhibitor in the human body and is proposed as a new indicator of glomerular filtration rate for the detection of kidney damage. In this article, we report an ultra-sensitive, simple, and rapid chemiluminescence immunoassay method for cystatin C detection using functionalized mesoporous silica nanoparticles. After a three step hydrolysis, the amino-functionalized MSN encapsulating dye resulted in a hydrophobic environment for fixing the dye and amino groups for biological modification. The NaIO4 immobilization method maintained the activity of the antibody notably well. The sandwich immunoassay using two monoclonal antibodies was chosen for its selectivity. The analysis demonstrated that the detection upper was 0.0029 ng/mL and linear relationship within the range of 0.0035-0.5 ng/mL (R 2 = 0.9936). The relative standard deviation (RSD) for 11 parallel measurements of 0.25 ng/mL CysC was 4.7%. The automated chemiluminescence analyzer could detect 96 wells continuously. The results demonstrated that this method is ultra-sensitive, simple, and rapid for detecting cystatin C.
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Affiliation(s)
- Yuanjie Sun
- Department of Immunology, The Fourth Military Medical University, Shaanxi, China
| | - Liang Tao
- Department of Immunology, The Fourth Military Medical University, Shaanxi, China.,Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Shaanxi, China
| | - Ying Ma
- Department of Immunology, The Fourth Military Medical University, Shaanxi, China
| | - Shuya Yang
- Department of Immunology, The Fourth Military Medical University, Shaanxi, China
| | - Xiyang Zhang
- Department of Immunology, The Fourth Military Medical University, Shaanxi, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Shaanxi, China
| | - Zhujun Zhang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Shaanxi, China
| | - Kun Yang
- Department of Immunology, The Fourth Military Medical University, Shaanxi, China
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Wang N, Yi H, Fang L, Jin J, Ma Q, Shen Y, Li J, Liang S, Xiong J, Li Z, Zeng H, Jiang F, Jin B, Chen L. CD226 Attenuates Treg Proliferation via Akt and Erk Signaling in an EAE Model. Front Immunol 2020; 11:1883. [PMID: 32983109 PMCID: PMC7478170 DOI: 10.3389/fimmu.2020.01883] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 07/13/2020] [Indexed: 01/15/2023] Open
Abstract
Cluster of differentiation 226 (CD226) molecules play a crucial role in the activation of effector CD4+ T cells during the immune response process, but a cell-intrinsic function of CD226 in CD4+ T subsets is not clear. In this study, we showed that Cd226−/− mice were resistant to myelin oligodendrocyte glycoprotein peptide 35-55 (MOG35−55)-induced experimental autoimmune encephalomyelitis (EAE) with highly expressed IL-10+CD4+ T cells and downregulated IL-17A+CD4+ T cells when compared with wild-type (WT) mice. Th17 cell infiltration into the central nervous system (CNS) was largely decreased in the absence of CD226 during EAE. CD226 deficiency facilitated the proliferation of regulatory T cells (Tregs), with increased numbers of Tregs observed in EAE mice, and supported the elevated induced regulatory T cell (iTregs) proliferation in vitro. The Akt and Erk signaling pathways were shown to be involved in Cd226−/− Treg proliferation and function in vivo and in vitro. These findings collectively indicate that CD226 is a key molecule regulating the Treg-mediated suppression of autoimmune responses by inhibiting Treg proliferation. Thus, the results of this study identify additional mechanisms by which CD226 regulates Treg functions in EAE and supports the potential therapeutic effects of anti-CD226 molecules on autoimmune diseases.
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Affiliation(s)
- Ning Wang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China.,Department of Immunology, Xi'an Medical University, Xi'an, China
| | - Hongyu Yi
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Liang Fang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Jingyi Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Qianli Ma
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Yuting Shen
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Juan Li
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Shuang Liang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Jie Xiong
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Zhuo Li
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Hanyu Zeng
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Fengliang Jiang
- Department of Immunology, Xi'an Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Lihua Chen
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
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Ma Y, Tang K, Zhang Y, Zhang C, Zhang Y, Jin B, Ma Y. Design and synthesis of HLA-A*02-restricted Hantaan virus multiple-antigenic peptide for CD8 + T cells. Virol J 2020; 17:15. [PMID: 32005266 PMCID: PMC6995102 DOI: 10.1186/s12985-020-1290-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 01/22/2020] [Indexed: 02/02/2023] Open
Abstract
Background Hantaan virus (HTNV) can cause hemorrhagic fever with renal syndrome (HFRS) in humans with severe morbidity and high mortality. Although inactivated HFRS vaccines are given annually for prevention in populations, China still has the highest number of HFRS cases and deaths worldwide. Consequently, vaccination for HFRS requires the development of novel, more effective vaccines. Epitope peptide vaccines have been developed rapidly in recent years and are considered a novel approach for the prevention of infection. Specifically, the multiple antigenic peptide (MAP) design with preferable immunogenicity can arouse a satisfactory immune response for vaccination. However, there are few reports on the design and evaluation of MAP for HTNV. Methods Three HLA-A*02-restricted 9-mer cytotoxic T lymphocyte (CTL) epitopes on HTNV glycoprotein and one HLA-A*02-restricted 9-mer CTL epitope on the HTNV nucleocapsid, which have been proven to be immunoprotective in our previous study, were selected for the design of HTNV MAP. A four-branched HTNV MAP was evaluated by the IFN-γ-secreting enzyme-linked immunospot assay and proliferation induction capacity of CD8+ T cells and compared with the single HTNV CTL epitope in 17 HLA-A*02+ patients with HFRS. The Mann–Whitney U test was used for comparison of parameters between different subject groups. Results The macromolecular HTNV MAP was designed with a polylysine core and four radially branched single CTL epitope chains. Importantly, HTNV MAP could stimulate CD8+ T cell secretion of IFN-γ in HLA-A*02+ patients with HFRS. The frequency of IFN-γ-secreting CD8+ T cells in the MAP stimulation group was significantly higher than that in the single HTNV CTL epitope stimulation groups (P < 0.005). Meanwhile, the activity of IFN-γ-secreting CD8+ T cells in the HTNV MAP group was also higher than that of the single CTL epitope groups (P < 0.05). Moreover, there was a much stronger ability of HTNV MAP to stimulate CD8+ T cell proliferation compared with that of a single HTNV CTL epitope. Conclusions The designed HTNV MAP could induce CTL responses ex vivo and may be considered a candidate for the design and development of novel HTNV peptide vaccines.
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Affiliation(s)
- Yan Ma
- The Fourth Team, Academy of Basic Medicine, the Fourth Military Medical University, Xi'an, 710032, China
| | - Kang Tang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Yusi Zhang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Chunmei Zhang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Yun Zhang
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Ying Ma
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China.
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Tang K, Zhang C, Zhang Y, Zhang Y, Du H, Jin B, Ma Y. Elevated plasma interleukin 34 levels correlate with disease severity-reflecting parameters of patients with haemorrhagic fever with renal syndrome. Infect Dis (Lond) 2019; 51:847-853. [PMID: 31573362 DOI: 10.1080/23744235.2019.1672887] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Background: Haemorrhagic fever with renal syndrome (HFRS) is characterized by an uncontrolled cytokine storm that causes vascular leakage and kidney injury. The cytokine interleukin 34 (IL-34) enhances proliferation and differentiation of myeloid cells and secretion of pro-inflammatory cytokines, which is involved in the pathogenesis of some inflammatory and infectious diseases, including acute kidney injury. To date, however, the role of IL-34 in patients with HFRS is unclear. This study aims to determine the plasma IL-34 levels of HFRS patients and discuss the possible effects of IL-34 in the pathogenesis of HFRS. Methods: Plasma levels of IL-34 in 52 HFRS patients and 20 healthy controls were quantified using enzyme-linked immunosorbent assay. Results: Compared with healthy controls, the plasma IL-34 levels in HFRS patients were significantly elevated in acute phase [37.92 (0-215.45) pg/ml vs. 7.13 (0-19.44) pg/ml, p < .0001], and then decreased to the normal levels in convalescent phase. Importantly, IL-34 levels correlated positively with white blood cell counts and mononuclear cell counts (r = 0.592, p < .0001 and r = 0.458, p < .0001, respectively), and correlated negatively with platelet counts and serum albumin levels (r = -0.430, p < .0001 and r = -0.479, p = .0001, respectively). Conclusions: Plasma levels of IL-34 in HFRS patients were significantly elevated in acute phase and correlated with disease severity-reflecting parameters, which suggests a potential role of IL-34 in HFRS and should be future explored.
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Affiliation(s)
- Kang Tang
- Department of Immunology, The Fourth Military Medical University , Xi'an , China
| | - Chunmei Zhang
- Department of Immunology, The Fourth Military Medical University , Xi'an , China
| | - Yusi Zhang
- Department of Immunology, The Fourth Military Medical University , Xi'an , China
| | - Yun Zhang
- Department of Immunology, The Fourth Military Medical University , Xi'an , China
| | - Hong Du
- Department of Infectious Diseases, Tangdu Hospital, The Fourth Military Medical University , Xi'an , China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University , Xi'an , China
| | - Ying Ma
- Department of Immunology, The Fourth Military Medical University , Xi'an , China
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Li M, Su X, Wang Y, Fan L, Chai J, Li P, Zhao D, Liu Y, Ma J, Wang K, Yan Q, Guo S, Jin B, Liang R, Wang Z. Lineage-negative lymphoma with a helper innate lymphoid cell phenotype. Virchows Arch 2019; 476:285-293. [PMID: 31522287 DOI: 10.1007/s00428-019-02658-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/19/2019] [Accepted: 08/23/2019] [Indexed: 01/07/2023]
Abstract
Helper innate lymphoid cells (ILCs) were recently recognized as lineage-negative lymphoid cells that do not express rearranged receptors and have important effector and regulatory functions in innate immunity. However, to our knowledge, no cases of hematological malignancies arising from helper ILCs have ever been reported in the literature. Here, we report a case of a 17-year-old man with multiple lymphadenopathy who was diagnosed with lineage-negative lymphoma that displayed a helper ILC phenotype. Histological examination showed large monomorphic atypical lymphoid cells with prominent nucleoli and abundant eosinophilic cytoplasms with scattered and patchy distributions. Large amounts of histiocytes and infiltrating lymphocytes were observed in the background. Immunostaining revealed positive LCA and CD79a expression but negative expression of all lineage markers. IG and TCR rearrangement analysis showed no clonal rearrangements. Tumor cells strongly expressed helper ILC phenotypic markers, such as CD127, IL-1R, GATA3, ST2, IL-17Rβ, and RANKL, and helper ILC-produced cytokines, such as IL-4 and GM-CSF. PD-L1/PD-L2-positive histiocytes and FOXP3-positive Tregs were observed in the tumor microenvironment. Flow cytometry of bone marrow at recurrence was positive for IL-1R and negative for T, B, NK, and myelogenous lineage markers. TP53 sequencing showed that exon 5 was replaced with an intergenic sequence of chromosome 21. Next-generation sequencing demonstrated a novel IGLV2-14/IGLL5 fusion and mutations or deletions of tumor suppressor genes, such as PTPRB, PPP2CB, and UPK1A. This tumor was very aggressive, resistant to chemotherapy, recurred with bone marrow involvement, and caused the death of the patient within 6 months. To our knowledge, this is the first report of a hematological malignancy potentially arising from helper ILCs. We propose negativity for lineage markers and positivity for CD127/IL-1R in combination with specific transcription factor expression as markers of this tumor. This finding represents a novel addition to the growing spectrum of hematological malignancies.
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Affiliation(s)
- Mingyang Li
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Xiaoli Su
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Yingmei Wang
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Linni Fan
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Jia Chai
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Peifeng Li
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Danhui Zhao
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Yixiong Liu
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Jing Ma
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Kaijing Wang
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Qingguo Yan
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Shuangping Guo
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Boquan Jin
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Rong Liang
- Department of Hematology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
| | - Zhe Wang
- State Key Laboratory of Cancer Biology, Department of Pathology, Xijing Hospital and School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China.
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Ma Y, Tang K, Zhang C, Zhang Y, Zhang Y, Jin B, Ma Y. [Advances in the role of melatonin in infectious diseases: A review]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi 2019; 35:563-568. [PMID: 31292062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Melatonin (MLT) is an amine hormone secreted mainly by the pineal gland. The main physiological function of MLT is to regulate the circadian rhythm. Recent studies have shown that MLT could affect the immune system through several ways to regulate the function of immune system. In infectious diseases, MLT can regulate the number of immune cells and the expression of cytokines. Moreover, MLT may enhance the function of the immune system by reducing the secretion of inflammatory factors, down-regulating the adhesion of leukocytes and anti-oxidation, which may reduce the pathology caused by inflammation damage. Meanwhile, MLT could play a role against pathogens infection by directly inhibiting the replication and proliferation of pathogens. Therefore, MLT may be considered as a novel target and a new method for the clinical treatment of infectious diseases. This article reviews the progress of the effects and mechanisms of MLT in regulating the immune system and the important role in infectious diseases.
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Affiliation(s)
- Yan Ma
- The Fourth Team, College of Basic Medicine, Air Force Military Medical University, Xi'an 710032, China
| | - Kang Tang
- Department of Immunology, College of Basic Medicine, Air Force Military Medical University, Xi'an 710032, China
| | - Chunmei Zhang
- Department of Immunology, College of Basic Medicine, Air Force Military Medical University, Xi'an 710032, China
| | - Yusi Zhang
- Department of Immunology, College of Basic Medicine, Air Force Military Medical University, Xi'an 710032, China
| | - Yun Zhang
- Department of Immunology, College of Basic Medicine, Air Force Military Medical University, Xi'an 710032, China
| | - Boquan Jin
- Department of Immunology, College of Basic Medicine, Air Force Military Medical University, Xi'an 710032, China
| | - Ying Ma
- Department of Immunology, College of Basic Medicine, Air Force Military Medical University, Xi'an 710032, China. *Corresponding author, E-mail:
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Zhang C, Qiao H, Guo W, Liu Y, Yang L, Liu Y, Jin B, Fu M, Wang G, Li W. CD100-plexin-B1 induces epithelial-mesenchymal transition of head and neck squamous cell carcinoma and promotes metastasis. Cancer Lett 2019; 455:1-13. [PMID: 30981760 DOI: 10.1016/j.canlet.2019.04.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 04/08/2019] [Accepted: 04/08/2019] [Indexed: 01/09/2023]
Abstract
Head and neck squamous cell carcinoma (HNSCC) is one of the most lethal cancers mainly due to the high rate of metastasis. Here, we find that the expression level of CD100 in HNSCC is positively correlated with the T category, pathological grade and lymph node metastasis of the tumor. The level of soluble CD100 (sCD100) is highly increased in serum of HNSCC patients, and sCD100 markedly induces the epithelial-mesenchymal transition (EMT) of HNSCC through its receptor, Plexin-B1 (PlxnB1), and promotes the metastasis in a xenograft mouse model. Furthermore, sCD100 promotes the stabilization of Snail through the regulation of the Vav1-Rac1/RhoA-p21-activated kinase pathway for the induction of EMT. Anti-CD100 antibody abolishes the CD100-induced EMT and prevents the metastasis of HNSCC, and anti-CD100 antibody also increases the drug sensitivity of HNSCC. Taken together, our study shows for the first time that CD100 induces the EMT of HNSCC and promotes the metastasis, and CD100 would be a candidate as a novel prognostic biomarker and a potential therapeutic target for HNSCC.
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MESH Headings
- Animals
- Antigens, CD/biosynthesis
- Antigens, CD/blood
- Antigens, CD/metabolism
- Biomarkers, Tumor/biosynthesis
- Biomarkers, Tumor/blood
- Biomarkers, Tumor/metabolism
- Cell Line, Tumor
- Epithelial-Mesenchymal Transition
- Female
- Head and Neck Neoplasms/blood
- Head and Neck Neoplasms/metabolism
- Head and Neck Neoplasms/pathology
- Heterografts
- Humans
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Mice, Nude
- Neoplasm Metastasis
- Neoplasm Staging
- Nerve Tissue Proteins/biosynthesis
- Nerve Tissue Proteins/metabolism
- Receptors, Cell Surface/biosynthesis
- Receptors, Cell Surface/metabolism
- Semaphorins/biosynthesis
- Semaphorins/blood
- Semaphorins/metabolism
- Squamous Cell Carcinoma of Head and Neck/blood
- Squamous Cell Carcinoma of Head and Neck/metabolism
- Squamous Cell Carcinoma of Head and Neck/pathology
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Affiliation(s)
- Chen Zhang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Hongjiang Qiao
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Weinan Guo
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Yuan Liu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of Oral Histology and Pathology, Fourth Military Medical University, Xi'an, 710032, China
| | - Luting Yang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Yufeng Liu
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Boquan Jin
- Department of Immunology, Fourth Military Medical University, Xi'an, 710032, China
| | - Meng Fu
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Gang Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Wei Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China; Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, 200040, China.
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Lu Q, Dong N, Wang Q, Yi W, Wang Y, Zhang S, Gu H, Zhao X, Tang X, Jin B, Wu Q, Brass LF, Zhu L. Correction: Increased Levels of Plasma Soluble Sema4D in Patients with Heart Failure. PLoS One 2019; 14:e0214894. [PMID: 30921442 PMCID: PMC6438534 DOI: 10.1371/journal.pone.0214894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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35
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Ma Y, Tang K, Song C, Fan L, Zhang Y, Zhang C, Zhang Y, Jin B, Ma Y. [The reduced level of plasma melatonin in HFRS patients is correlated with disease severity and stage]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi 2018; 34:1027-1031. [PMID: 30591112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Objective To investigate the changes of plasma melatonin (MLT) level in patients with hemorrhagic fever with renal syndrome (HFRS) and the relationships between the MLT level and the disease stage or severity. Methods The plasma samples were collected from 14 HFRS patients at acute stage or convalescent stage and 14 normal controls. After extraction, competitive enzyme-linked immunosorbent assay (CELISA) was used to detect the content of MLT in the plasma. The plasma MTL levels were compared between different severities or stages of HFRS patients and the normal controls. Meanwhile, the relationships between the MLT level and clinical indicators such as white blood cell (WBC) count were analyzed. Results The plasma MLT level of HFRS patients at the acute stage were significantly lower than that of the normal controls, and also significantly lower than that at the convalescence of HFRS. At the acute stage, the plasma MLT level of mild/severe HFRS patients was lower than that of critical patients. Moreover, the level of plasma MLT was negatively correlated with WBC count in HFRS patients at acute or convalescence stages. Conclusion MLT may be involved in the regulation of inflammatory responses in HFRS patients, which may affect the pathogenesis and disease progression of HFRS.
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Affiliation(s)
- Yan Ma
- Fourth Team of Cadets, Air Force Military Medical University, Xi'an 710032, China
| | - Kang Tang
- Department of Immunology, Air Force Military Medical University, Xi'an 710032, China
| | - Chaojun Song
- Department of Immunology, Air Force Military Medical University, Xi'an 710032, China
| | - Li Fan
- Department of Pharmacochemistry and Pharmaceutical Analysis, College of Basic Medicine, Air Force Military Medical University, Xi'an 710032, China
| | - Yusi Zhang
- Department of Immunology, Air Force Military Medical University, Xi'an 710032, China
| | - Chunmei Zhang
- Department of Immunology, Air Force Military Medical University, Xi'an 710032, China
| | - Yun Zhang
- Department of Immunology, Air Force Military Medical University, Xi'an 710032, China
| | - Boquan Jin
- Department of Immunology, Air Force Military Medical University, Xi'an 710032, China
| | - Ying Ma
- Department of Immunology, Air Force Military Medical University, Xi'an 710032, China. *Corresponding author, E-mail:
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Dang E, Yang S, Song C, Jiang D, Li Z, Fan W, Sun Y, Tao L, Wang J, Liu T, Zhang C, Jin B, Wang J, Yang K. BAP31, a newly defined cancer/testis antigen, regulates proliferation, migration, and invasion to promote cervical cancer progression. Cell Death Dis 2018; 9:791. [PMID: 30022068 PMCID: PMC6052025 DOI: 10.1038/s41419-018-0824-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 06/22/2018] [Accepted: 06/25/2018] [Indexed: 01/06/2023]
Abstract
Malignant tumors typically undergo an atavistic regression characterized by the overexpression of embryonic genes and proto-oncogenes, including a variety of cancer/testis antigens (CTAs) that are testis-derived and are not expressed or expressed in trace amounts in somatic tissues. Based on this theory, we established a new method to identify unknown CTAs, the spermatogenic cells-specific monoclonal antibody-defined cancer/testis antigen (SADA) method. Using the SADA method, we identified BAP31 as a novel CTA and confirmed that BAP31 expression is associated with progression and metastasis of several cancers, particularly in cervical cancer. We found that BAP31 was significantly upregulated in stage I, II, and III cervical cancer patients and highly correlated with poor clinic outcomes. We further demonstrated that BAP31 regulates cervical cancer cell proliferation by arresting the cell cycle at the G0/G1 stage and that depletion of BAP31 inhibits hyper-proliferation. Moreover, depletion of BAP31 inhibits cervical cancer cell invasion and migration by regulating the expression and subcellular localization of Drebrin, M-RIP, SPECC1L, and Nexilin, and then affect the cytoskeleton assemblage. Finally, the depletion of BAP31 prevents cervical cancer progression and metastasis in vivo. These findings provide a new method for identifying novel CTAs as well as mechanistic insights into how BAP31 regulates cervical cancer hyper-proliferation and metastasis.
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Affiliation(s)
- Erle Dang
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China.,Department of Dermatology, Xijing Hospital, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Shuya Yang
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Chaojun Song
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China.,School of Life Science, Northwestern Polytechnic University, Xi'an, 710072, Shaanxi, People's Republic of China
| | - Dongbo Jiang
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Zichao Li
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Wei Fan
- Department of Obstetrics and Gynecology, Xijing Hospital, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Yuanjie Sun
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Liang Tao
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Jing Wang
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Tingting Liu
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Chunmei Zhang
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Boquan Jin
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China.
| | - Jian Wang
- Department of Obstetrics and Gynecology, Xijing Hospital, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China.
| | - Kun Yang
- Department of Immunology, the Fourth Military Medical University, Xi'an, 710032, Shaanxi, People's Republic of China.
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37
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Hertzog J, Dias Junior AG, Rigby RE, Donald CL, Mayer A, Sezgin E, Song C, Jin B, Hublitz P, Eggeling C, Kohl A, Rehwinkel J. Infection with a Brazilian isolate of Zika virus generates RIG-I stimulatory RNA and the viral NS5 protein blocks type I IFN induction and signaling. Eur J Immunol 2018; 48:1120-1136. [PMID: 29572905 PMCID: PMC6055886 DOI: 10.1002/eji.201847483] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 03/04/2018] [Accepted: 03/12/2018] [Indexed: 12/14/2022]
Abstract
Zika virus (ZIKV) is a major public health concern in the Americas. We report that ZIKV infection and RNA extracted from ZIKV infected cells potently activated the induction of type I interferons (IFNs). This effect was fully dependent on the mitochondrial antiviral signaling protein (MAVS), implicating RIG-I-like receptors (RLRs) as upstream sensors of viral RNA. Indeed, RIG-I and the related RNA sensor MDA5 contributed to type I IFN induction in response to RNA from infected cells. We found that ZIKV NS5 from a recent Brazilian isolate blocked type I IFN induction downstream of RLRs and also inhibited type I IFN receptor (IFNAR) signaling. We defined the ZIKV NS5 nuclear localization signal and report that NS5 nuclear localization was not required for inhibition of signaling downstream of IFNAR. Mechanistically, NS5 blocked IFNAR signaling by both leading to reduced levels of STAT2 and by blocking phosphorylation of STAT1, two transcription factors activated by type I IFNs. Taken together, our observations suggest that ZIKV infection induces a type I IFN response via RLRs and that ZIKV interferes with this response by blocking signaling downstream of RLRs and IFNAR.
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Affiliation(s)
- Jonny Hertzog
- Medical Research Council Human Immunology UnitMedical Research Council Weatherall Institute of Molecular MedicineRadcliffe Department of MedicineUniversity of OxfordOxfordUK
| | - Antonio Gregorio Dias Junior
- Medical Research Council Human Immunology UnitMedical Research Council Weatherall Institute of Molecular MedicineRadcliffe Department of MedicineUniversity of OxfordOxfordUK
| | - Rachel E. Rigby
- Medical Research Council Human Immunology UnitMedical Research Council Weatherall Institute of Molecular MedicineRadcliffe Department of MedicineUniversity of OxfordOxfordUK
| | - Claire L. Donald
- MRC‐University of Glasgow Centre for Virus ResearchGlasgowScotlandUK
| | - Alice Mayer
- Medical Research Council Human Immunology UnitMedical Research Council Weatherall Institute of Molecular MedicineRadcliffe Department of MedicineUniversity of OxfordOxfordUK
| | - Erdinc Sezgin
- Medical Research Council Human Immunology UnitMedical Research Council Weatherall Institute of Molecular MedicineRadcliffe Department of MedicineUniversity of OxfordOxfordUK
| | - Chaojun Song
- Department of ImmunologyThe Fourth Military Medical UniversityXi'anPR China
| | - Boquan Jin
- Department of ImmunologyThe Fourth Military Medical UniversityXi'anPR China
| | - Philip Hublitz
- Genome Engineering FacilityMedical Research Council Weatherall Institute of Molecular MedicineRadcliffe Department of MedicineUniversity of OxfordOxfordUK
| | - Christian Eggeling
- Medical Research Council Human Immunology UnitMedical Research Council Weatherall Institute of Molecular MedicineRadcliffe Department of MedicineUniversity of OxfordOxfordUK
| | - Alain Kohl
- MRC‐University of Glasgow Centre for Virus ResearchGlasgowScotlandUK
| | - Jan Rehwinkel
- Medical Research Council Human Immunology UnitMedical Research Council Weatherall Institute of Molecular MedicineRadcliffe Department of MedicineUniversity of OxfordOxfordUK
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38
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Jin J, Wang Y, Ma Q, Wang N, Guo W, Jin B, Fang L, Chen L. LAIR-1 activation inhibits inflammatory macrophage phenotype in vitro. Cell Immunol 2018; 331:78-84. [PMID: 29887420 DOI: 10.1016/j.cellimm.2018.05.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 04/25/2018] [Accepted: 05/30/2018] [Indexed: 12/11/2022]
Abstract
Macrophages are key cell types of innate immunity and play a central role in inflammation and host defense. Leukocyte-associated Ig-like receptor-1 (LAIR-1) is highly expressed on macrophages and regulates macrophage functions in several conditions. However, whether LAIR-1 is involved in governing macrophage polarization is still not clear. Here, we investigated the effect of LAIR-1 on macrophage polarization using human macrophage polarization model with THP-1 cells. It was found that LAIR-1 was highly expressed in THP-1 macrophages. IFN-γ reduced LAIR-1 expression in THP-1 macrophages. However, IL-4 did not have an effect on the expression of LAIR-1. Moreover, activation of LAIR-1 significantly inhibited the proinflammatory M1-like macrophage differentiation and promoted alternative activation of macrophages. Therefore, LAIR-1 may play critical roles in macrophage polarization. This study provides a rationale for macrophage polarization and sheds light on homeostatic mechanism in which LAIR-1 activation can terminate inflammation which may be impaired in patients with autoimmune disease.
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Affiliation(s)
- Jingyi Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an 710032, China
| | - Ying Wang
- Department of Stomatology, 307 Hospital, PLA, Beijing 100071, China
| | - Qianli Ma
- Department of Immunology, The Fourth Military Medical University, Xi'an 710032, China
| | - Ning Wang
- Department of Immunology, The Fourth Military Medical University, Xi'an 710032, China
| | - Wenwei Guo
- Department of Immunology, The Fourth Military Medical University, Xi'an 710032, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an 710032, China
| | - Liang Fang
- Department of Immunology, The Fourth Military Medical University, Xi'an 710032, China.
| | - Lihua Chen
- Department of Immunology, The Fourth Military Medical University, Xi'an 710032, China.
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39
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Li J, Xie J, Liu S, Li X, Zhang D, Wang X, Jiang J, Hu W, Zhang Y, Jin B, Zhuang R, Yin W. ADAR1 attenuates allogeneic graft rejection by suppressing miR‐21 biogenesis in macrophages and promoting M2 polarization. FASEB J 2018; 32:5162-5173. [DOI: 10.1096/fj.201701449r] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Junjie Li
- Department of Emergency School of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Jiangang Xie
- Department of Emergency School of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
- Department of Plastic SurgeryXijing HospitalSchool of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Shanshou Liu
- Department of Emergency School of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Xiao Li
- Department of Hepatobiliary SurgerySchool of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Dongliang Zhang
- Department of Plastic SurgeryXijing HospitalSchool of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
- Transplant Immunology Laboratory and School of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Xianqi Wang
- Department of Emergency School of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Jinquan Jiang
- Department of Emergency School of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Wei Hu
- Transplant Immunology Laboratory and School of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
- Department of ImmunologySchool of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Yuan Zhang
- Transplant Immunology Laboratory and School of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Boquan Jin
- Department of ImmunologySchool of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Ran Zhuang
- Transplant Immunology Laboratory and School of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
- Department of ImmunologySchool of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
| | - Wen Yin
- Department of Emergency School of Basic Medical SciencesFourth Military Medical UniversityXi'anChina
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40
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Liu T, Zhang D, Zhang Y, Xu X, Zhou B, Fang L, Zhang Y, Su Y, Jin B, Zhuang R, Guo S. Blocking CD226 Promotes Allogeneic Transplant Immune Tolerance and Improves Skin Graft Survival by Increasing the Frequency of Regulatory T Cells in a Murine Model. Cell Physiol Biochem 2018; 45:2338-2350. [PMID: 29550821 DOI: 10.1159/000488182] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 02/08/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS Regulatory T cells (Tregs) play key roles in maintaining peripheral tolerance and preventing autoimmune disease. Treg modulation could be helpful in treating malignancies, autoimmune disease, and allergies, as well as to facilitate organ transplantation. Signals transduced by co-stimulatory molecules are essential for Treg differentiation, homeostasis, and function. One well-known active receptor, CD226, also known as DNAM-1 or PTA1, is an adhesion molecule that interacts primarily with CD155 and is involved in Treg differentiation and immune tolerance to transplanted tissue. METHODS Anti-CD226 monoclonal antibody (mAb) and truncated recombinant CD226 proteins were employed to manipulate the CD226 signal. Various T cell markers on freshly isolated splenocytes and T lymphocytes were characterized by flow cytometry Cell proliferation was measured by carboxyfluorescein succinimidyl ester dye, mRNA transcripts by q-RT PCR, and protein expression by western blotting. A BALB/c-to-C57BL/6 skin allograft model was used to determine the effects of CD226 blocking treatment. RESULTS We observed that both intact extracellular domains of CD226 were necessary for functional interaction of the receptor with its ligand CD155, even though one domain was shown to bind CD155 with lower affinity in a solid binding assay. Importantly, CD226 mAb promoted Treg expansion in a mixed lymphocyte culture and inhibited the cytotoxicity of effector cells. In allogeneic skin transplant mice, administering CD226 mAb reduced inflammation and prolonged allogeneic graft survival, with an increase in the frequency of Tregs. CONCLUSIONS Our results reveal the mechanism underlying CD226-CD155 interactions and indicate that CD226 signals can be manipulated to promote Treg expansion. Moreover, we provide new evidence that suggests the therapeutic potential of anti-CD226 with allogeneic transplantation.
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Affiliation(s)
- Tian Liu
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Transplant Immunology Laboratory, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Dongliang Zhang
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Transplant Immunology Laboratory, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Yuan Zhang
- Transplant Immunology Laboratory, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Xiangsheng Xu
- Department of Radiation Oncology, Air Force General Hospital, Beijing, China
| | - Bo Zhou
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Transplant Immunology Laboratory, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Liang Fang
- Department of Immunology, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Yun Zhang
- Department of Immunology, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Yingjun Su
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Ran Zhuang
- Transplant Immunology Laboratory, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China.,Department of Immunology, School of Basic Medical Sciences, Fourth Military Medical University, Xi'an, China
| | - Shuzhong Guo
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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41
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Zhang Y, Liu T, Chen Y, Dong Z, Zhang J, Sun Y, Jin B, Gao F, Guo S, Zhuang R. CD226 reduces endothelial cell glucose uptake under hyperglycemic conditions with inflammation in type 2 diabetes mellitus. Oncotarget 2017; 7:12010-23. [PMID: 26910838 PMCID: PMC4914265 DOI: 10.18632/oncotarget.7505] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Accepted: 01/26/2016] [Indexed: 01/01/2023] Open
Abstract
CD226 is a co-stimulatory adhesion molecule found on immune and endothelial cells. Here, we evaluated a possible role for CD226 in inhibiting glucose uptake in isolated human umbilical vein endothelial cells (HUVECs) and in wild-type (WT) and CD226 knockout (KO) mice with high-fat diet (HFD)-induced type 2 diabetes (T2DM). CD226 expression increased under hyperglycemic conditions in the presence of TNF-α. Furthermore, CD226 knockdown improved glucose uptake in endothelial cells, and CD226 KO mice exhibited increased glucose tolerance. Levels of soluble CD226 in plasma were higher in T2DM patients following an oral glucose tolerance test (OGTT) than under fasting conditions. Our results indicate that low-grade inflammation coupled with elevated blood glucose increases CD226 expression, resulting in decreased endothelial cell glucose uptake in T2DM.
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Affiliation(s)
- Yuan Zhang
- Department of Aerospace Medicine, Fourth Military Medical University, Xi'an, China
| | - Tian Liu
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yu Chen
- Department of Gastroenterology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zilong Dong
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jinxue Zhang
- Department of Immunology, Fourth Military Medical University Xi'an, China
| | - Yizheng Sun
- Department of Aerospace Medicine, Fourth Military Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, Fourth Military Medical University Xi'an, China
| | - Feng Gao
- Department of Aerospace Medicine, Fourth Military Medical University, Xi'an, China
| | - Shuzhong Guo
- Department of Plastic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Ran Zhuang
- Department of Immunology, Fourth Military Medical University Xi'an, China
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42
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Tang K, Cheng L, Zhang C, Zhang Y, Zheng X, Zhang Y, Zhuang R, Jin B, Zhang F, Ma Y. Novel Identified HLA-A*0201-Restricted Hantaan Virus Glycoprotein Cytotoxic T-Cell Epitopes Could Effectively Induce Protective Responses in HLA-A2.1/K b Transgenic Mice May Associate with the Severity of Hemorrhagic Fever with Renal Syndrome. Front Immunol 2017; 8:1797. [PMID: 29312318 PMCID: PMC5732971 DOI: 10.3389/fimmu.2017.01797] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 11/30/2017] [Indexed: 12/15/2022] Open
Abstract
Hantaan virus (HTNV) infections can cause severe hemorrhagic fever with renal syndrome (HFRS) in humans, which is associated with high fatality rates. Cytotoxic T cell (CTL) responses contribute to virus elimination; however, to date, HLA class I allele-restricted HTNV glycoprotein (GP) epitopes recognized by CTLs have not been reported, limiting our understanding of CTL responses against HTNV infection in humans. In this study, 34 HTNV GP nine-mer epitopes that may bind to HLA-A*0201 molecules were predicted using the BIMAS and SYFPEITHI database. Seven of the epitopes were demonstrated to bind to HLA-A*0201 molecules with high affinity via the T2 cell binding assay and were successfully used to synthesize peptide/HLA-A*0201 tetramers. The results of tetramer staining showed that the frequencies of each epitope-specific CTL were higher in patients with milder HFRS, which indicated that the epitopes may induce protective CTL responses after HTNV infection. IFN-γ-enzyme-linked immunospot analysis further confirmed the immunoreactivity of epitopes by eliciting epitope-specific IFN-γ-producing CTL responses. In an HTNV challenge trial, significant inhibition of HTNV replication characterized by lower levels of antigens and RNA loads was observed in major target organs (liver, spleen, and kidneys) of HLA-A2.1/Kb transgenic mice pre-vaccinated with nonapeptides VV9 (aa8–aa16, VMASLVWPV), SL9 (aa996–aa1004, SLTECPTFL) and LL9 (aa358–aa366, LIWTGMIDL). Importantly, LL9 exhibited the best ability to induce protective CTL responses and showed a prominent effect on the kidneys, potentially preventing kidney injury after HTNV infection. Taken together, our results highlight that HTNV GP-derived HLA-A*0201-restricted epitopes could elicit protective CTL responses against the virus, and that epitope LL9 functions as an immunodominant protective epitope that may advance the design of safe and effective CTL-based HTNV peptide vaccines for humans.
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Affiliation(s)
- Kang Tang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Linfeng Cheng
- Department of Microbiology, The Fourth Military Medical University, Xi'an, China
| | - Chunmei Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Yusi Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Xuyang Zheng
- Department of Infectious Diseases, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Yun Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Ran Zhuang
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Fanglin Zhang
- Department of Microbiology, The Fourth Military Medical University, Xi'an, China
| | - Ying Ma
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
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43
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Fang L, Jin J, Chen P, Wang N, Zeng H, Jin B, Li H, Chen L. CD226 deficiency improves cognitive functions and ameliorates anxiety-like behaviors in mice. Brain Behav 2017; 7:e00871. [PMID: 29299389 PMCID: PMC5745249 DOI: 10.1002/brb3.871] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Revised: 09/25/2017] [Accepted: 10/10/2017] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND CD226 is a cell surface adhesion molecule expressed in the immune system and central nervous system. Although the role of CD226 in the function of immune cells has been well studied, there has been no report on the potential functional significance of CD226 in neural cells. METHODS We investigated the role of CD226 on the cognitive function and behaviors using CD226 knockout (CD226KO) and wild-type mice. The spatial learning and memory were characterized using Morris water maze test, and the behaviors were evaluated using open field and elevated plus maze tests. IL-10 expression in the hippocampus was measured using RT-PCR and ELISA. RESULTS The results showed that CD226KO mice displayed increased spatial learning and memory than the wild-type controls. We also found that genetic deletion of CD226 resulted in decreased anxiety-like behaviors. In addition, the hippocampal expression level of IL-10 was increased in the CD226KO mice compared with the WT mice. CONCLUSIONS Our findings suggest that CD226 plays an important role in the modulation of cognition and anxiety in mice.
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Affiliation(s)
- Liang Fang
- Department of Immunology The Fourth Military Medical University Xi'an China
| | - Jingyi Jin
- Department of Immunology The Fourth Military Medical University Xi'an China
| | - Ping Chen
- Department of Immunology The Fourth Military Medical University Xi'an China
| | - Ning Wang
- Department of Immunology The Fourth Military Medical University Xi'an China
| | - Hanyu Zeng
- Department of Immunology The Fourth Military Medical University Xi'an China
| | - Boquan Jin
- Department of Immunology The Fourth Military Medical University Xi'an China
| | - Hui Li
- Department of Anatomy K.K. Leung Brain Research Centre The Fourth Military Medical University Xi'an China
| | - Lihua Chen
- Department of Immunology The Fourth Military Medical University Xi'an China
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44
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Makvandi-Nejad S, Laurenson-Schafer H, Wang L, Wellington D, Zhao Y, Jin B, Qin L, Kite K, Moghadam HK, Song C, Clark K, Hublitz P, Townsend AR, Wu H, McMichael AJ, Zhang Y, Dong T. Lack of Truncated IFITM3 Transcripts in Cells Homozygous for the rs12252-C Variant That is Associated With Severe Influenza Infection. J Infect Dis 2017; 217:257-262. [DOI: 10.1093/infdis/jix512] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 09/26/2017] [Indexed: 01/19/2023] Open
Affiliation(s)
- Shokouh Makvandi-Nejad
- Medical Research Council Human Immunology Unit, Weatherall Institute of Molecular Medicine, Oxford University
| | - Henry Laurenson-Schafer
- Medical Research Council Human Immunology Unit, Weatherall Institute of Molecular Medicine, Oxford University
| | - LiLi Wang
- Medical Research Council Human Immunology Unit, Weatherall Institute of Molecular Medicine, Oxford University
| | - Dannielle Wellington
- Medical Research Council Human Immunology Unit, Weatherall Institute of Molecular Medicine, Oxford University
| | - Yan Zhao
- Chinese Academy of Medical Sciences-Oxford Center for Translational Immunology, Nuffield Department of Medicine, Oxford University, United Kingdom
- Beijing You’an Hospital, Capital Medical University, Beijing, China
| | - Boquan Jin
- Fourth Military Medical University, Xian, China
| | - Ling Qin
- Chinese Academy of Medical Sciences-Oxford Center for Translational Immunology, Nuffield Department of Medicine, Oxford University, United Kingdom
- Beijing You’an Hospital, Capital Medical University, Beijing, China
| | - Kerry Kite
- Medical Research Council Human Immunology Unit, Weatherall Institute of Molecular Medicine, Oxford University
| | | | | | - Kevin Clark
- Flow Cytometry Facility, Oxford University, United Kingdom
| | - Philip Hublitz
- Genome Engineering Department, Weatherall Institute of Molecular Medicine, Oxford University, United Kingdom
| | - Alain R Townsend
- Chinese Academy of Medical Sciences-Oxford Center for Translational Immunology, Nuffield Department of Medicine, Oxford University, United Kingdom
| | - Hao Wu
- Beijing You’an Hospital, Capital Medical University, Beijing, China
| | - Andrew J McMichael
- Medical Research Council Human Immunology Unit, Weatherall Institute of Molecular Medicine, Oxford University
- Chinese Academy of Medical Sciences-Oxford Center for Translational Immunology, Nuffield Department of Medicine, Oxford University, United Kingdom
| | - YongHong Zhang
- Chinese Academy of Medical Sciences-Oxford Center for Translational Immunology, Nuffield Department of Medicine, Oxford University, United Kingdom
- Beijing You’an Hospital, Capital Medical University, Beijing, China
| | - Tao Dong
- Medical Research Council Human Immunology Unit, Weatherall Institute of Molecular Medicine, Oxford University
- Chinese Academy of Medical Sciences-Oxford Center for Translational Immunology, Nuffield Department of Medicine, Oxford University, United Kingdom
- Beijing You’an Hospital, Capital Medical University, Beijing, China
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45
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Zhang R, Zeng H, Zhang Y, Chen K, Zhang C, Song C, Fang L, Xu Z, Yang K, Jin B, Wang Q, Chen L. CD226 ligation protects against EAE by promoting IL-10 expression via regulation of CD4+ T cell differentiation. Oncotarget 2017; 7:19251-64. [PMID: 26942885 PMCID: PMC4991380 DOI: 10.18632/oncotarget.7834] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Accepted: 01/29/2016] [Indexed: 11/25/2022] Open
Abstract
Treatment targeting CD226 can ameliorate experimental autoimmune encephalomyelitis (EAE), the widely accepted model of MS. However, the mechanisms still need to be elucidated. Here we showed that CD226 blockage by anti-CD226 blocking mAb LeoA1 efficiently promoted IL-10 production in human peripheral blood monocytes (PBMC) or in mixed lymphocyte culture (MLC) system, significantly induced the CD4+IL-10+ T cell differentiation while suppressing the generation of Th1 and Th17. Furthermore, CD226 pAb administration in vivo reduced the onset of EAE in mice by promoting IL-10 production and regulating T cell differentiation. Concomitantly, the onset and severity of EAE were reduced and the serum IL-10 expression levels were increased in CD226 knockout mice than that in control mice when both received EAE induction. These novel findings confirmed that CD226 played a pivotal role in mediating autoimmune diseases such as EAE. Furthermore, to our knowledge, we show for the first time that IL-10 is an important contributor in the inhibitory effects of CD226 ligation on EAE.
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Affiliation(s)
- Rong Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China.,State Key Laboratory of Military Stomatology, Department of Periodontology, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Hanyu Zeng
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Yun Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Kun Chen
- Department of Neurobiology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Chunmei Zhang
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Chaojun Song
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Liang Fang
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Zhuwei Xu
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Kun Yang
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Qintao Wang
- State Key Laboratory of Military Stomatology, Department of Periodontology, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
| | - Lihua Chen
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, P.R. China
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46
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Zhang C, Xiao C, Dang E, Cao J, Zhu Z, Fu M, Yao X, Liu Y, Jin B, Wang G, Li W. CD100-Plexin-B2 Promotes the Inflammation in Psoriasis by Activating NF-κB and the Inflammasome in Keratinocytes. J Invest Dermatol 2017; 138:375-383. [PMID: 28927892 DOI: 10.1016/j.jid.2017.09.005] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 08/15/2017] [Accepted: 09/03/2017] [Indexed: 01/27/2023]
Abstract
PlxnB2 and its ligand, CD100, were originally identified as axon-guidance molecules that function during neuronal development; however, studies also showed that CD100-plexins participate in various immune responses. In this study, we found that the expression of PlxnB2 on keratinocytes was specifically increased in lesional skin of psoriasis patients but not atopic dermatitis. Levels of soluble CD100 and membrane-bound CD100 were elevated in sera of psoriasis patients and on keratinocytes of psoriatic skin, respectively. By binding to PlxnB2, soluble CD100 promoted the production of CXCL-1, CCL-20, IL-1β, and IL-18 by keratinocytes and activated the NLRP3 inflammasome. Moreover, CD100-PlxnB2 stimulated the NF-κB signaling pathway in keratinocytes through activation of small GTPase RhoA and Rac1. Our data showed that cooperation of CD100 and PlxnB2 promoted the inflammatory responses in keratinocytes by activating NF-κB and the NLRP3 inflammasome and participated in the pathogenesis of psoriasis. CD100/PlxnB2 might be a potential therapeutic target for psoriasis.
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Affiliation(s)
- Chen Zhang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Chunying Xiao
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Erle Dang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jiao Cao
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhenlai Zhu
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Meng Fu
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xu Yao
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Yufeng Liu
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, Fourth Military Medical University, Xi'an, China
| | - Gang Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Wei Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China; Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China.
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47
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Cano-Rodriguez D, Campagnoli S, Grandi A, Parri M, Camilli ED, Song C, Jin B, Lacombe A, Pierleoni A, Bombaci M, Cordiglieri C, Ruiters MH, Viale G, Terracciano L, Sarmientos P, Abrignani S, Grandi G, Pileri P, Rots MG, Grifantini R. TCTN2: a novel tumor marker with oncogenic properties. Oncotarget 2017; 8:95256-95269. [PMID: 29221125 PMCID: PMC5707019 DOI: 10.18632/oncotarget.20438] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 07/25/2017] [Indexed: 12/21/2022] Open
Abstract
Tectonic family member 2 (TCTN2) encodes a transmembrane protein that belongs to the tectonic family, which is involved in ciliary functions. Previous studies have demonstrated the role of tectonics in regulating a variety of signaling pathways at the transition zone of cilia. However, the role of tectonics in cancer is still unclear. Here we identify that TCTN2 is overexpressed in colorectal, lung and ovary cancers. We show that different cancer cell lines express the protein that localizes at the plasma membrane, facing the intracellular milieu. TCTN2 over-expression in cancer cells resulted in an increased ability to form colonies in an anchorage independent way. On the other hand, downregulation of TCTN2 using targeted epigenetic editing in cancer cells significantly reduced colony formation, cell invasiveness, increased apoptosis and impaired assembly of primary cilia. Taken together, our results indicate that TCTN2 acts as an oncogene, making it an interesting cancer-associated protein and a potential candidate for therapeutic applications.
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Affiliation(s)
- David Cano-Rodriguez
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center, Groningen, The Netherlands
| | | | | | | | - Elisa De Camilli
- Department of Pathology, European Institute of Oncology, Milan, Italy
| | - Chaojun Song
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an, China
| | - Aurelien Lacombe
- Institute of Pathology, University Hospital Basel, Basel, Switzerland
| | - Andrea Pierleoni
- Externautics SpA, Siena, Italy.,Present affiliation: European Bioinformatics Institute (EMBL-EBI), Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Mauro Bombaci
- Istituto Nazionale Genetica Molecolare, Padiglione Romeo ed Enrica Invernizzi, IRCCS Ospedale Maggiore Policlinico, Milan, Italy
| | - Chiara Cordiglieri
- Istituto Nazionale Genetica Molecolare, Padiglione Romeo ed Enrica Invernizzi, IRCCS Ospedale Maggiore Policlinico, Milan, Italy
| | - Marcel Hj Ruiters
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center, Groningen, The Netherlands
| | - Giuseppe Viale
- Department of Pathology, European Institute of Oncology, Milan, Italy.,Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Luigi Terracciano
- Institute of Pathology, University Hospital Basel, Basel, Switzerland
| | | | - Sergio Abrignani
- Istituto Nazionale Genetica Molecolare, Padiglione Romeo ed Enrica Invernizzi, IRCCS Ospedale Maggiore Policlinico, Milan, Italy
| | - Guido Grandi
- Centre for Integrative Biology - CIBIO, University of Trento, Trento, Italy
| | | | - Marianne G Rots
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center, Groningen, The Netherlands
| | - Renata Grifantini
- Externautics SpA, Siena, Italy.,Istituto Nazionale Genetica Molecolare, Padiglione Romeo ed Enrica Invernizzi, IRCCS Ospedale Maggiore Policlinico, Milan, Italy
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48
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Zhang C, Tang K, Zhang Y, Ma Y, Zhuang R, Zheng X, Jin B, Zhang Y. Elevated Plasma Growth Arrest-Specific 6 Protein Levels Are Associated with the Severity of Disease During Hantaan Virus Infection in Humans. Viral Immunol 2017; 30:330-335. [PMID: 28537534 DOI: 10.1089/vim.2016.0137] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Hemorrhagic fever with renal syndrome (HFRS) is caused by Hantaan virus (HTNV) and Seoul virus infection in Asia. The clinical manifestation of HFRS is characterized by the rapid loss of renal function (acute kidney injury) and thrombocytopenia. The specific immune mechanisms that cause thrombocytopenia in HFRS are not well described. The growth arrest-specific 6 (Gas6) protein and TAM (Tyro3, Axl and Mer) receptors have been recently shown to play prominent roles in immune regulation, and high plasma levels of Gas6 may predict the severity of diseases. The association of TAM receptors with several autoimmune diseases has been investigated, although the relationship between TAM receptors and these diseases remains unclear in HFRS. Therefore, the aim of this study was to evaluate the clinical significance of Gas6 and TAM receptor expression in HFRS. The concentrations of Gas6 in the plasma from 144 patients and the expression of TAM receptors on monocytes from 117 patients were quantified. The relationship between Gas6 levels and disease course, severity, and clinical parameters was analyzed. We first found that the plasma Gas6 levels were significantly higher in HFRS patients, whereby they were positively correlated with white blood cell counts and negatively correlated with platelet counts. The expression of Tyro3 was increased on monocytes in HFRS patients compared with that in controls. Taken together, our data indicate that elevated plasma Gas6 levels is associated with the severity of disease during HTNV infection in humans, suggesting that Gas6 may play an important role by binding with Tyro3 on monocytes, which will be assessed in future studies.
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Affiliation(s)
- Chunmei Zhang
- 1 Department of Immunology, The Fourth Military Medical University , Xi'an, China
| | - Kang Tang
- 1 Department of Immunology, The Fourth Military Medical University , Xi'an, China
| | - Yusi Zhang
- 1 Department of Immunology, The Fourth Military Medical University , Xi'an, China
| | - Ying Ma
- 1 Department of Immunology, The Fourth Military Medical University , Xi'an, China
| | - Ran Zhuang
- 1 Department of Immunology, The Fourth Military Medical University , Xi'an, China
| | - Xuyang Zheng
- 2 The Center of Infectious Diseases, Tangdu Hospital, The Fourth Military Medical University , Xi'an, China
| | - Boquan Jin
- 1 Department of Immunology, The Fourth Military Medical University , Xi'an, China
| | - Yun Zhang
- 1 Department of Immunology, The Fourth Military Medical University , Xi'an, China
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49
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Fan L, Zhang Y, Wang F, Yang Q, Tan J, Grifantini R, Wu H, Song C, Jin B. Corrigendum to "Multifunctional all-in-one drug delivery systems for tumor targeting and sequential release of three different anti-tumor drugs" [Biomaterials 76C (2015) 399-407]. Biomaterials 2016; 122:201. [PMID: 28003046 DOI: 10.1016/j.biomaterials.2016.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Li Fan
- Department of Pharmaceutical Analysis, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China; Department of Physics, Chinese University of Hong Kong, Shatin, Hong Kong; Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Yongsheng Zhang
- Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, 710038, China
| | - Fuli Wang
- Department of Urology, Xijing Hospital, Xi'an, Shaanxi, 710032, China
| | - Qian Yang
- Institute of Materia Medica, School of Pharmacy, The Fourth Military Medical University, Xian, Shaanxi, 710032, China
| | - Jiali Tan
- Department of Orthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University & Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, 510055, China
| | | | - Hong Wu
- Department of Pharmaceutical Analysis, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China.
| | - Chaojun Song
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Boquan Jin
- Department of Immunology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
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50
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Li Z, Zeng H, Wang Y, Zhang Y, Cheng L, Zhang F, Lei Y, Jin B, Ma Y, Chen L. The assessment of Hantaan virus-specific antibody responses after the immunization program for hemorrhagic fever with renal syndrome in northwest China. Hum Vaccin Immunother 2016; 13:802-807. [PMID: 27824286 DOI: 10.1080/21645515.2016.1253645] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Xianyang city is one of the main hemorrhagic fever with renal syndrome (HFRS) epidemic areas in northwest China. Although the HFRS immunity program has been provided in this city, HFRS is still occurred every year. In order to implement the vaccination program effectively and to control HFRS, the analysis of antibody responses specific to Hantaan virus (HTNV) in individuals after vaccination is essential. In this study, a total of 100 subjects were divided into 5 groups: unvaccinated, 1, 3, 29 and 33 months after boost vaccination. The levels and the positive rates of HTNV-NP-specific IgM and IgG antibodies as well as HTNV neutralizing antibodies were significantly increased in the serum of the vaccinated individuals. The positive rates and levels of HTNV-NP-specific IgG and HTNV neutralizing antibody reached their highest values at 3 months respectively and could be sustained up to 33 months after vaccination. Moreover, the titres of HTNV-NP-specific IgM or IgG antibody and the titres of HTNV neutralizing antibody at 1 month after vaccination have a positive correlation. The level of HTNV-NP-specific IgG antibody was much higher than that of HTNV-NP-specific IgM antibody or HTNV neutralizing antibody. In addition, the strongest responses of antibody-secreting cells were observed at 3 months after vaccination, which was consistent with the serum results. Therefore, the HFRS immunization program is effective to induce humoral immunity in the population of northwest China.
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Affiliation(s)
- Zhuo Li
- a Department of Immunology , the Fourth Military Medical University , Xi'an , Shaanxi , China.,b Department of medical laboratory technology , Xi'an Health School , Xi'an , Shaanxi , China
| | - Hanyu Zeng
- a Department of Immunology , the Fourth Military Medical University , Xi'an , Shaanxi , China
| | - Ying Wang
- a Department of Immunology , the Fourth Military Medical University , Xi'an , Shaanxi , China
| | - Yusi Zhang
- a Department of Immunology , the Fourth Military Medical University , Xi'an , Shaanxi , China
| | - Linfeng Cheng
- c Department of Microbiology , the Fourth Military Medical University , Xi'an , Shaanxi , China
| | - Fanglin Zhang
- c Department of Microbiology , the Fourth Military Medical University , Xi'an , Shaanxi , China
| | - Yingfeng Lei
- c Department of Microbiology , the Fourth Military Medical University , Xi'an , Shaanxi , China
| | - Boquan Jin
- a Department of Immunology , the Fourth Military Medical University , Xi'an , Shaanxi , China
| | - Ying Ma
- a Department of Immunology , the Fourth Military Medical University , Xi'an , Shaanxi , China
| | - Lihua Chen
- a Department of Immunology , the Fourth Military Medical University , Xi'an , Shaanxi , China
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