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Erdemci-Evin S, Bosso M, Krchlikova V, Bayer W, Regensburger K, Mayer M, Dittmer U, Sauter D, Kmiec D, Kirchhoff F. A Variety of Mouse PYHIN Proteins Restrict Murine and Human Retroviruses. Viruses 2024; 16:493. [PMID: 38675836 PMCID: PMC11054388 DOI: 10.3390/v16040493] [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: 02/14/2024] [Revised: 03/15/2024] [Accepted: 03/21/2024] [Indexed: 04/28/2024] Open
Abstract
PYHIN proteins are only found in mammals and play key roles in the defense against bacterial and viral pathogens. The corresponding gene locus shows variable deletion and expansion ranging from 0 genes in bats, over 1 in cows, and 4 in humans to a maximum of 13 in mice. While initially thought to act as cytosolic immune sensors that recognize foreign DNA, increasing evidence suggests that PYHIN proteins also inhibit viral pathogens by more direct mechanisms. Here, we examined the ability of all 13 murine PYHIN proteins to inhibit HIV-1 and murine leukemia virus (MLV). We show that overexpression of p203, p204, p205, p208, p209, p210, p211, and p212 strongly inhibits production of infectious HIV-1; p202, p207, and p213 had no significant effects, while p206 and p214 showed intermediate phenotypes. The inhibitory effects on infectious HIV-1 production correlated significantly with the suppression of reporter gene expression by a proviral Moloney MLV-eGFP construct and HIV-1 and Friend MLV LTR luciferase reporter constructs. Altogether, our data show that the antiretroviral activity of PYHIN proteins is conserved between men and mice and further support the key role of nuclear PYHIN proteins in innate antiviral immunity.
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Affiliation(s)
- Sümeyye Erdemci-Evin
- Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, Germany; (S.E.-E.); (M.B.); (K.R.); (M.M.); (D.K.)
| | - Matteo Bosso
- Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, Germany; (S.E.-E.); (M.B.); (K.R.); (M.M.); (D.K.)
| | - Veronika Krchlikova
- Institute for Medical Virology and Epidemiology of Viral Diseases, University Hospital Tübingen, 72076 Tübingen, Germany; (V.K.)
| | - Wibke Bayer
- Institute for Virology, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany; (W.B.); (U.D.)
| | - Kerstin Regensburger
- Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, Germany; (S.E.-E.); (M.B.); (K.R.); (M.M.); (D.K.)
| | - Martha Mayer
- Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, Germany; (S.E.-E.); (M.B.); (K.R.); (M.M.); (D.K.)
| | - Ulf Dittmer
- Institute for Virology, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany; (W.B.); (U.D.)
| | - Daniel Sauter
- Institute for Medical Virology and Epidemiology of Viral Diseases, University Hospital Tübingen, 72076 Tübingen, Germany; (V.K.)
| | - Dorota Kmiec
- Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, Germany; (S.E.-E.); (M.B.); (K.R.); (M.M.); (D.K.)
| | - Frank Kirchhoff
- Institute of Molecular Virology, Ulm University Medical Center, 89081 Ulm, Germany; (S.E.-E.); (M.B.); (K.R.); (M.M.); (D.K.)
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Gong L, Ou X, Hu L, Zhong J, Li J, Deng S, Li B, Pan L, Wang L, Hong X, Luo W, Zeng Q, Zan J, Peng T, Cai M, Li M. The Molecular Mechanism of Herpes Simplex Virus 1 UL31 in Antagonizing the Activity of IFN-β. Microbiol Spectr 2022; 10:e0188321. [PMID: 35196784 PMCID: PMC8865407 DOI: 10.1128/spectrum.01883-21] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/11/2022] [Indexed: 11/20/2022] Open
Abstract
Virus infection triggers intricate signal cascade reactions to activate the host innate immunity, which leads to the production of type I interferon (IFN-I). Herpes simplex virus 1 (HSV-1), a human-restricted pathogen, is capable of encoding over 80 viral proteins, and several of them are involved in immune evasion to resist the host antiviral response through the IFN-I signaling pathway. Here, we determined that HSV-1 UL31, which is associated with nuclear matrix and is essential for the formation of viral nuclear egress complex, could inhibit retinoic acid-inducible gene I (RIG-I)-like receptor pathway-mediated interferon beta (IFN-β)-luciferase (Luc) and (PRDIII-I)4-Luc (an expression plasmid of IFN-β positive regulatory elements III and I) promoter activation, as well as the mRNA transcription of IFN-β and downstream interferon-stimulated genes (ISGs), such as ISG15, ISG54, ISG56, etc., to promote viral infection. UL31 was shown to restrain IFN-β activation at the interferon regulatory factor 3 (IRF3)/IRF7 level. Mechanically, UL31 was demonstrated to interact with TANK binding kinase 1 (TBK1), inducible IκB kinase (IKKi), and IRF3 to impede the formation of the IKKi-IRF3 complex but not the formation of the IRF7-related complex. UL31 could constrain the dimerization and nuclear translocation of IRF3. Although UL31 was associated with the CREB binding protein (CBP)/p300 coactivators, it could not efficiently hamper the formation of the CBP/p300-IRF3 complex. In addition, UL31 could facilitate the degradation of IKKi and IRF3 by mediating their K48-linked polyubiquitination. Taken together, these results illustrated that UL31 was able to suppress IFN-β activity by inhibiting the activation of IKKi and IRF3, which may contribute to the knowledge of a new immune evasion mechanism during HSV-1 infection. IMPORTANCE The innate immune system is the first line of host defense against the invasion of pathogens. Among its mechanisms, IFN-I is an essential cytokine in the antiviral response, which can help the host eliminate a virus. HSV-1 is a double-stranded DNA virus that can cause herpes and establish a lifelong latent infection, due to its possession of multiple mechanisms to escape host innate immunity. In this study, we illustrate for the first time that the HSV-1-encoded UL31 protein has a negative regulatory effect on IFN-β production by blocking the dimerization and nuclear translocation of IRF3, as well as promoting the K48-linked polyubiquitination and degradation of both IKKi and IRF3. This study may be helpful for fully understanding the pathogenesis of HSV-1.
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Affiliation(s)
- Lan Gong
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xiaowen Ou
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Li Hu
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jiayi Zhong
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jingjing Li
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
- Jinming Yu Academician Workstation of Oncology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong, China
| | - Shenyu Deng
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Bolin Li
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Lingxia Pan
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Liding Wang
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xuejun Hong
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Wenqi Luo
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Qiyuan Zeng
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jie Zan
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, Guangdong, China
| | - Tao Peng
- State Key Laboratory of Respiratory Disease, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Mingsheng Cai
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Meili Li
- State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology; Department of Pathogenic Biology and Immunology, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, China
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Wallwork R, Casciola-Rosen L, Shah AA. Anti-ANP32A antibodies in systemic sclerosis. Ann Rheum Dis 2022; 81:301-302. [PMID: 34697026 PMCID: PMC8961456 DOI: 10.1136/annrheumdis-2021-221354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 10/07/2021] [Indexed: 02/03/2023]
Affiliation(s)
- Rachel Wallwork
- Department of Medicine/Rheumatology, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Livia Casciola-Rosen
- Department of Medicine/Rheumatology, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Ami A Shah
- Department of Medicine/Rheumatology, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
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Finotti P. Sequence similarity of HSP65 of Mycobacterium bovis BCG with SARS-CoV-2 spike and nuclear proteins: may it predict an antigen-dependent immune protection of BCG against COVID-19? Cell Stress Chaperones 2022; 27:37-43. [PMID: 34755305 PMCID: PMC8577642 DOI: 10.1007/s12192-021-01244-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 11/03/2021] [Accepted: 11/04/2021] [Indexed: 12/23/2022] Open
Abstract
The Bacillus Calmette-Guérin (BCG) vaccine is known to have protective effects not only against tuberculosis but also against other unrelated infectious diseases caused by different pathogens. Several epidemiological studies have also documented the beneficial influence of BCG vaccine in reducing both susceptibility to and severity of SARS-CoV-2 infection. The protective, non-specific effects of BCG vaccination would be related to an antigen-independent enhancement of the innate immunity, termed trained immunity. However, the knowledge that heat shock protein (HSP)65 is the main antigen of Mycobacterium bovis BCG prompted us to verify whether sequence similarity existed between HSP65 and SARS-CoV-2 spike (S) and nuclear (N) proteins that could support an antigen-driven immune protection of BCG vaccine. The results of the in silico investigation showed an extensive sequence similarity of HSP65 with both the viral proteins, especially SARS-CoV-2 S, that also involved the regions comprising immunodominant epitopes. The finding that the predicted B cell and CD4+ T cell epitopes of HSP65 shared strong similarity with the predicted B and T cell epitopes of both SARS-CoV-2 S and N would support the possibility of a cross-immune reaction of HSP65 of BCG with SARS-CoV-2.
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Affiliation(s)
- Paola Finotti
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Building "C," Largo E. Meneghetti 2, 35135, Padua, Italy.
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5
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Gantzer J, Davidson G, Vokshi B, Weingertner N, Bougoüin A, Moreira M, Lindner V, Lacroix G, Mascaux C, Chenard MP, Bertucci F, Davidson I, Kurtz JE, Sautès-Fridman C, Fridman WH, Malouf GG. OUP accepted manuscript. Oncologist 2022; 27:501-511. [PMID: 35278076 PMCID: PMC9177113 DOI: 10.1093/oncolo/oyac040] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 01/14/2022] [Indexed: 11/14/2022] Open
Abstract
Background Thoracic SMARCA4-deficient undifferentiated tumors (SMARCA4-UT) are aggressive neoplasms. Data linking BAF alterations with tumor microenvironment (TME) and efficacy of immune checkpoint inhibitors (ICI) are contradictory. The TME of SMARCA4-UT and their response to ICI are unknown. Materials and Methods Patients diagnosed with SMARCA4-UT in our institution were included. Immunostainings for tertiary lymphoid structures (TLS), immune cell markers, and checkpoints were assessed. Validation was performed using an independent transcriptome dataset including SMARCA4-UT, non–small cell lung cancers (NSCLC) with/without SMARCA4 mutations, and unclassified thoracic sarcomas (UTS). CXCL9 and PD-L1 expressions were assessed in NSCLC and thoracic fibroblast cell lines, with/without SMARCA4 knockdown, treated with/without interferon gamma. Results Nine patients were identified. All samples but one showed no TLS, consistent with an immune desert TME phenotype. Four patients received ICI as part of their treatment, but the only one who responded, had a tumor with a TLS and immune-rich TME. Unsupervised clustering of the validation cohort using immune cell scores identified 2 clusters associated with cell ontogeny and immunity (cluster 1 enriched for NSCLC independently of SMARCA4 status (n = 9/10; P = .001); cluster 2 enriched for SMARCA4-UT (n = 11/12; P = .005) and UTS (n = 5/5; P = .0005). SMARCA4 loss-of-function experiments revealed interferon-induced upregulation of CXCL9 and PD-L1 expression in the NSCLC cell line with no effect on the thoracic fibroblast cell line. Conclusion SMARCA4-UT mainly have an immune desert TME with limited efficacy to ICI. TME of SMARCA4-driven tumors varies according to the cell of origin questioning the interplay between BAF alterations, cell ontogeny and immunity.
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Affiliation(s)
- Justine Gantzer
- Corresponding author: Justine Gantzer, Department of Medical Oncology, Strasbourg-Europe Cancer Institute (ICANS), 17 rue Albert Calmette, 67033 Strasbourg, France. Tel: +33 3 68 76 72 25;
| | - Guillaume Davidson
- Department of Cancer and Functional Genomics, INSERM UMR_S1258, Institute of Genetics and of Molecular and Cellular Biology, Illkirch, France
| | - Bujamin Vokshi
- Department of Cancer and Functional Genomics, INSERM UMR_S1258, Institute of Genetics and of Molecular and Cellular Biology, Illkirch, France
| | - Noëlle Weingertner
- Fédération de Médecine Translationnelle (FMTS), Strasbourg, France
- Department of Pathology, University Hospital, Strasbourg, France
| | - Antoine Bougoüin
- Centre de recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Team 13- Complement, Inflammation and Cancer, Équipe labellisée Ligue contre le cancer, Paris, France
| | - Marco Moreira
- Centre de recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Team 13- Complement, Inflammation and Cancer, Équipe labellisée Ligue contre le cancer, Paris, France
| | - Véronique Lindner
- Fédération de Médecine Translationnelle (FMTS), Strasbourg, France
- Department of Pathology, University Hospital, Strasbourg, France
| | - Guillaume Lacroix
- Centre de recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Team 13- Complement, Inflammation and Cancer, Équipe labellisée Ligue contre le cancer, Paris, France
| | - Céline Mascaux
- Department of Pneumology, University Hospital, Strasbourg, France
- University of Strasbourg, Inserm UMR_S 1113, IRFAC, Laboratory Streinth (STress REsponse and INnovative THerapy against cancer), Strasbourg, France
| | - Marie-Pierre Chenard
- Fédération de Médecine Translationnelle (FMTS), Strasbourg, France
- Department of Pathology, University Hospital, Strasbourg, France
| | - François Bertucci
- Department of Medical Oncology, Cancer Research Center of Marseille (CRCM), INSERM U1068, CNRS UMR7258, Institut Paoli Calmettes, Aix-Marseille University, Marseille, France
| | - Irwin Davidson
- Department of Cancer and Functional Genomics, INSERM UMR_S1258, Institute of Genetics and of Molecular and Cellular Biology, Illkirch, France
| | - Jean-Emmanuel Kurtz
- Department of Medical Oncology, Strasbourg-Europe Cancer Institute (ICANS), Strasbourg, France
- Fédération de Médecine Translationnelle (FMTS), Strasbourg, France
| | - Catherine Sautès-Fridman
- Centre de recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Team 13- Complement, Inflammation and Cancer, Équipe labellisée Ligue contre le cancer, Paris, France
| | | | - Gabriel G Malouf
- Gabriel G. Malouf, Department of Medical Oncology, Strasbourg-Europe Cancer Institute (ICANS), 17 rue Albert Calmette, 67033 Strasbourg, France. Tel: +33 3 68 76 72 17;
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Tur J, Farrera C, Sánchez-Tilló E, Vico T, Guerrero-Gonzalez P, Fernandez-Elorduy A, Lloberas J, Celada A. Induction of CIITA by IFN-γ in macrophages involves STAT1 activation by JAK and JNK. Immunobiology 2021; 226:152114. [PMID: 34303919 DOI: 10.1016/j.imbio.2021.152114] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 07/02/2021] [Accepted: 07/09/2021] [Indexed: 01/05/2023]
Abstract
The induction of major histocompatibility complex (MHC) class II proteins by interferon gamma (IFN-γ) in macrophages play an important role during immune responses. Here we explore the signaling pathways involved in the induction by IFN-γ of the MHC II transactivator (CIIta) required for MHC II transcriptional activation. Cyclophilin A (CypA) is required for IFN-γ-dependent induction of MHC II in macrophages, but not when it is mediated by GM-CSF. The effect of CypA appears to be specific because it does not affect the expression of other molecules or genes triggered by IFN-γ, such as FcγR, NOS2, Lmp2, and Tap1. We found that CypA inhibition blocked the IFN-γ-induced expression of CIIta at the transcriptional level in two phases. In an early phase, during the first 2 h of IFN-γ treatment, STAT1 is phosphorylated at Tyrosine 701 and Serine 727, residues required for the induction of the transcription factor IRF1. In a later phase, STAT1 phosphorylation and JNK activation are required to trigger CIIta expression. CypA is needed for STAT1 phosphorylation in this last phase and to bind the CIIta promoter. Our findings demonstrate that STAT1 is required in a two-step induction of CIIta, once again highlighting the significance of cross talk between signaling pathways in macrophages.
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Affiliation(s)
- Juan Tur
- Macrophage Biology Group, Department of Cellular Biology, Physiology and Immunology, Universitat de Barcelona, Barcelona, Spain
| | - Consol Farrera
- Macrophage Biology Group, Department of Cellular Biology, Physiology and Immunology, Universitat de Barcelona, Barcelona, Spain
| | - Ester Sánchez-Tilló
- Macrophage Biology Group, Department of Cellular Biology, Physiology and Immunology, Universitat de Barcelona, Barcelona, Spain
| | - Tania Vico
- Macrophage Biology Group, Department of Cellular Biology, Physiology and Immunology, Universitat de Barcelona, Barcelona, Spain
| | - Paula Guerrero-Gonzalez
- Macrophage Biology Group, Department of Cellular Biology, Physiology and Immunology, Universitat de Barcelona, Barcelona, Spain
| | - Ainhoa Fernandez-Elorduy
- Macrophage Biology Group, Department of Cellular Biology, Physiology and Immunology, Universitat de Barcelona, Barcelona, Spain
| | - Jorge Lloberas
- Macrophage Biology Group, Department of Cellular Biology, Physiology and Immunology, Universitat de Barcelona, Barcelona, Spain.
| | - Antonio Celada
- Macrophage Biology Group, Department of Cellular Biology, Physiology and Immunology, Universitat de Barcelona, Barcelona, Spain.
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Ricker E, Manni M, Flores-Castro D, Jenkins D, Gupta S, Rivera-Correa J, Meng W, Rosenfeld AM, Pannellini T, Bachu M, Chinenov Y, Sculco PK, Jessberger R, Prak ETL, Pernis AB. Altered function and differentiation of age-associated B cells contribute to the female bias in lupus mice. Nat Commun 2021; 12:4813. [PMID: 34376664 PMCID: PMC8355159 DOI: 10.1038/s41467-021-25102-8] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [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: 10/15/2020] [Accepted: 07/15/2021] [Indexed: 12/11/2022] Open
Abstract
Differences in immune responses to viruses and autoimmune diseases such as systemic lupus erythematosus (SLE) can show sexual dimorphism. Age-associated B cells (ABC) are a population of CD11c+T-bet+ B cells critical for antiviral responses and autoimmune disorders. Absence of DEF6 and SWAP-70, two homologous guanine exchange factors, in double-knock-out (DKO) mice leads to a lupus-like syndrome in females marked by accumulation of ABCs. Here we demonstrate that DKO ABCs show sex-specific differences in cell number, upregulation of an ISG signature, and further differentiation. DKO ABCs undergo oligoclonal expansion and differentiate into both CD11c+ and CD11c- effector B cell populations with pathogenic and pro-inflammatory function as demonstrated by BCR sequencing and fate-mapping experiments. Tlr7 duplication in DKO males overrides the sex-bias and further augments the dissemination and pathogenicity of ABCs, resulting in severe pulmonary inflammation and early mortality. Thus, sexual dimorphism shapes the expansion, function and differentiation of ABCs that accompanies TLR7-driven immunopathogenesis.
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Affiliation(s)
- Edd Ricker
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY, USA
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, USA
| | - Michela Manni
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY, USA
| | - Danny Flores-Castro
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY, USA
| | - Daniel Jenkins
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY, USA
| | - Sanjay Gupta
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY, USA
| | - Juan Rivera-Correa
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY, USA
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, USA
| | - Wenzhao Meng
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, Philadelphia, PA, USA
| | - Aaron M Rosenfeld
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, Philadelphia, PA, USA
| | - Tania Pannellini
- Research Division and Precision Medicine Laboratory, Hospital for Special Surgery, New York, NY, USA
| | - Mahesh Bachu
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY, USA
| | - Yurii Chinenov
- David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
| | - Peter K Sculco
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - Rolf Jessberger
- Institute of Physiological Chemistry, Technische Universitat, Dresden, Germany
| | - Eline T Luning Prak
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, Philadelphia, PA, USA
| | - Alessandra B Pernis
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY, USA.
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, USA.
- David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA.
- Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
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Su Y, Song X, Teng J, Zhou X, Dong Z, Li P, Sun Y. Mesenchymal stem cells-derived extracellular vesicles carrying microRNA-17 inhibits macrophage apoptosis in lipopolysaccharide-induced sepsis. Int Immunopharmacol 2021; 95:107408. [PMID: 33915488 DOI: 10.1016/j.intimp.2021.107408] [Citation(s) in RCA: 6] [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: 07/06/2020] [Revised: 01/13/2021] [Accepted: 01/15/2021] [Indexed: 01/24/2023]
Abstract
OBJECTIVE Sepsis, as a disease affecting the microcirculation and tissue perfusion, results in tissue hypoxia and multiple organ dysfunctions. Bone mesenchymal stem cell (BMSC)-derived extracellular vesicles (EVs) have been demonstrated to transfer trivial molecules (proteins/peptides, mRNA, microRNA and lipids) to alleviate sepsis. We sought to define the function of microRNA (miR)-17 carried in BMSC-EVs in sepsis. METHODS The purity of the extracted BMSCs was identified and confirmed by detection of the surface markers by flow cytometry, followed by osteoblastic, adipogenic, and chondrocyte differentiation experiments. Subsequently, EVs were collected from the medium of BMSCs. The uptake of PKH-67-labeled BMSC-EVs or EVs carrying cy3-miR-17 by RAW264.7 cells was observed under laser confocal microscopy. Furthermore, a series of gain- and loss-of-function approaches were conducted to test the effects of LPS, miR-17 and BRD4 on the inflammatory factors (IL-1β, IL-6 and TNF-α), number of M1 macrophages and M2 macrophages, inflammatory-related signal pathway factors (EZH2, c-MYC and TRAIL), macrophage proliferation, and apoptosis in sepsis. The survival rates were measured in vivo. RESULTS BMSC-EVs was internalized by the RAW264.7 cells. BDR4 was verified as a target of miR-17, while the expression pattern of miR-17 was upregulated in BMSC-EVs. MiR-17 carried by BMSC-EVs inhibited LPS-induced inflammation and apoptosis of RAW264.7 cells, but improved the viability of RAW264.7 cells. Next, in vitro experiments supported that miR-17 inhibited LPS-induced inflammation in RAW264.7 cells through BRD4/EZH2/TRAIL axis. BRD4 overexpression reversed the effects of miR-17. Moreover, the therapeutic function of BMSC-EVs carried miR-17 was verified by in vivo experiments. CONCLUSIONS MiR-17 derived from BMSCs-EVs regulates BRD4-mediated EZH2/TRAIL axis to essentially inhibit LPS-induced macrophages inflammation.
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Affiliation(s)
- Yuan Su
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, Qingdao 266003, PR China
| | - Xiaoxia Song
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, Qingdao 266003, PR China
| | - Jinlong Teng
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, Qingdao 266003, PR China
| | - Xinbei Zhou
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, Qingdao 266003, PR China
| | - Zehua Dong
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, Qingdao 266003, PR China
| | - Ping Li
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, Qingdao 266003, PR China
| | - Yunbo Sun
- Department of Critical Care Medicine, The Affiliated Hospital of Qingdao University, Qingdao 266003, PR China.
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9
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Zhang W, Jin J, Wang Y, Fang L, Min L, Wang X, Ding L, Weng L, Xiao T, Zhou T, Wang P. PD-L1 regulates genomic stability via interaction with cohesin-SA1 in the nucleus. Signal Transduct Target Ther 2021; 6:81. [PMID: 33627620 PMCID: PMC7904913 DOI: 10.1038/s41392-021-00463-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 09/10/2020] [Accepted: 09/17/2020] [Indexed: 01/22/2023] Open
Affiliation(s)
- Wen Zhang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, China
| | - Jiali Jin
- Tongji University Cancer Center, Shanghai Tenth People's Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, China
| | - Yanjin Wang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, China
| | - Lan Fang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, China
| | - Liu Min
- Department of Cell Biology and Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xinbo Wang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, China
| | - Lin Ding
- School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Linjun Weng
- School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Tan Xiao
- Tongji University Cancer Center, Shanghai Tenth People's Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, China
| | - Tianhua Zhou
- Department of Cell Biology and Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Cancer Center, Zhejiang University, Hangzhou, China
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Ping Wang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, China.
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10
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Forlani G, Michaux J, Pak H, Huber F, Marie Joseph EL, Ramia E, Stevenson BJ, Linnebacher M, Accolla RS, Bassani-Sternberg M. CIITA-Transduced Glioblastoma Cells Uncover a Rich Repertoire of Clinically Relevant Tumor-Associated HLA-II Antigens. Mol Cell Proteomics 2021; 20:100032. [PMID: 33592498 PMCID: PMC8724627 DOI: 10.1074/mcp.ra120.002201] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/17/2020] [Accepted: 09/22/2020] [Indexed: 12/30/2022] Open
Abstract
CD4+ T cell responses are crucial for inducing and maintaining effective anticancer immunity, and the identification of human leukocyte antigen class II (HLA-II) cancer-specific epitopes is key to the development of potent cancer immunotherapies. In many tumor types, and especially in glioblastoma (GBM), HLA-II complexes are hardly ever naturally expressed. Hence, little is known about immunogenic HLA-II epitopes in GBM. With stable expression of the class II major histocompatibility complex transactivator (CIITA) coupled to a detailed and sensitive mass spectrometry-based immunopeptidomics analysis, we here uncovered a remarkable breadth of the HLA-ligandome in HROG02, HROG17, and RA GBM cell lines. The effect of CIITA expression on the induction of the HLA-II presentation machinery was striking in each of the three cell lines, and it was significantly higher compared with interferon gamma (IFNɣ) treatment. In total, we identified 16,123 unique HLA-I peptides and 32,690 unique HLA-II peptides. In order to genuinely define the identified peptides as true HLA ligands, we carefully characterized their association with the different HLA allotypes. In addition, we identified 138 and 279 HLA-I and HLA-II ligands, respectively, most of which are novel in GBM, derived from known GBM-associated tumor antigens that have been used as source proteins for a variety of GBM vaccines. Our data further indicate that CIITA-expressing GBM cells acquired an antigen presenting cell-like phenotype as we found that they directly present external proteins as HLA-II ligands. Not only that CIITA-expressing GBM cells are attractive models for antigen discovery endeavors, but also such engineered cells have great therapeutic potential through massive presentation of a diverse antigenic repertoire.
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Affiliation(s)
- Greta Forlani
- Laboratories of General Pathology and Immunology "Giovanna Tosi", Department of Medicine and Surgery, School of Medicine, University of Insubria, Varese, Italy
| | - Justine Michaux
- Ludwig Cancer Research Center, University of Lausanne, Lausanne, Switzerland; Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - HuiSong Pak
- Ludwig Cancer Research Center, University of Lausanne, Lausanne, Switzerland; Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - Florian Huber
- Ludwig Cancer Research Center, University of Lausanne, Lausanne, Switzerland; Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - Elodie Lauret Marie Joseph
- Ludwig Cancer Research Center, University of Lausanne, Lausanne, Switzerland; Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - Elise Ramia
- Laboratories of General Pathology and Immunology "Giovanna Tosi", Department of Medicine and Surgery, School of Medicine, University of Insubria, Varese, Italy
| | | | - Michael Linnebacher
- Department of General Surgery, Molecular Oncology and Immunotherapy, University Medical Center Rostock, Rostock, Germany
| | - Roberto S Accolla
- Laboratories of General Pathology and Immunology "Giovanna Tosi", Department of Medicine and Surgery, School of Medicine, University of Insubria, Varese, Italy
| | - Michal Bassani-Sternberg
- Ludwig Cancer Research Center, University of Lausanne, Lausanne, Switzerland; Department of Oncology, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland.
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11
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Zullo A, Bruzzese V, Pellegrino G, Scolieri P, Stefanantoni K, Angelelli C, Riccieri V. Helicobacter pylori and Upper Endoscopy in Systemic Sclerosis: A Cross-sectional Study in the Real World. J Clin Rheumatol 2021; 27:40-41. [PMID: 33347033 DOI: 10.1097/rhu.0000000000001502] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND/AIMS A role for Helicobacter pylori in triggering systemic sclerosis (SSc) has been proposed, but data are conflicting. In previous studies, infection has been generally searched for by using serology. We designed this study to assess H. pylori prevalence in SSc patients with histology of gastric mucosa, considered the criterion standard for infection diagnosis. METHODS This cross-sectional study enrolled 30 SSc patients who complained of upper gastrointestinal symptoms. All underwent upper endoscopy with gastric biopsies. Endoscopic alterations were recorded, and gastric mucosa biopsies were used for both histological examination and searching for H. pylori. The role for proton-pump inhibitor (PPI) therapy was considered. Fisher exact test was used for statistical analysis. RESULTS Data of 28 SSc patients were available, 14 with ongoing PPI therapy. Helicobacter pylori infection at histology was detected in 14.3% patients, and it equally occurred in patients with or without PPI therapy. Erosive esophagitis/Barrett esophagus was detected in 26.6% of cases. Among patients with PPI therapy, 30% received half dose only. The prevalence of intestinal metaplasia was low (14.3%). Endoscopic esophageal alterations were significantly more frequent in those patients showing anti-Scl70 antibody positivity. CONCLUSIONS This study showed that prevalence of H. pylori is very low in SSc patients, so that it seems not having a role in triggering SSc. Management of gastroesophageal diseases in SSc patients needs to be improved, and looking to the autoimmune profile may be of help. Thus, collaboration between rheumatologist and gastroenterologist is highly recommended.
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Affiliation(s)
- Angelo Zullo
- From the Gastronterology and Digestive Endoscopy
| | - Vincenzo Bruzzese
- Internal Medicine and Rheumatology, Nuovo Regina Margherita' Hospital
| | - Greta Pellegrino
- Department of Clinical, Internal, Anaesthesiologic, Cardiologic Sciences, University of Rome Sapienza, Rome, Italy
| | - Palma Scolieri
- Internal Medicine and Rheumatology, Nuovo Regina Margherita' Hospital
| | - Katia Stefanantoni
- Department of Clinical, Internal, Anaesthesiologic, Cardiologic Sciences, University of Rome Sapienza, Rome, Italy
| | - Carlotta Angelelli
- Department of Clinical, Internal, Anaesthesiologic, Cardiologic Sciences, University of Rome Sapienza, Rome, Italy
| | - Valeria Riccieri
- Department of Clinical, Internal, Anaesthesiologic, Cardiologic Sciences, University of Rome Sapienza, Rome, Italy
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12
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Ibrahim AFM, Shen L, Tatham MH, Dickerson D, Prescott AR, Abidi N, Xirodimas DP, Hay RT. Antibody RING-Mediated Destruction of Endogenous Proteins. Mol Cell 2020; 79:155-166.e9. [PMID: 32454028 PMCID: PMC7332993 DOI: 10.1016/j.molcel.2020.04.032] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 03/20/2020] [Accepted: 04/27/2020] [Indexed: 01/05/2023]
Abstract
To understand gene function, the encoding DNA or mRNA transcript can be manipulated and the consequences observed. However, these approaches do not have a direct effect on the protein product of the gene, which is either permanently abrogated or depleted at a rate defined by the half-life of the protein. We therefore developed a single-component system that could induce the rapid degradation of the specific endogenous protein itself. A construct combining the RING domain of ubiquitin E3 ligase RNF4 with a protein-specific camelid nanobody mediates target destruction by the ubiquitin proteasome system, a process we describe as antibody RING-mediated destruction (ARMeD). The technique is highly specific because we observed no off-target protein destruction. Furthermore, bacterially produced nanobody-RING fusion proteins electroporated into cells induce degradation of target within minutes. With increasing availability of protein-specific nanobodies, this method will allow rapid and specific degradation of a wide range of endogenous proteins.
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Affiliation(s)
- Adel F M Ibrahim
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK
| | - Linnan Shen
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK
| | - Michael H Tatham
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK
| | - David Dickerson
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK
| | - Alan R Prescott
- Dundee Imaging Facility, School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK
| | - Naima Abidi
- Cell Biology Research Centre of Montpellier, CNRS, UMR 5237, Montpellier, France
| | - Dimitris P Xirodimas
- Cell Biology Research Centre of Montpellier, CNRS, UMR 5237, Montpellier, France
| | - Ronald T Hay
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK.
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13
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Jeffries AM, Truman AW, Marriott I. The intracellular DNA sensors cGAS and IFI16 do not mediate effective antiviral immune responses to HSV-1 in human microglial cells. J Neurovirol 2020; 26:544-555. [PMID: 32488842 DOI: 10.1007/s13365-020-00852-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [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: 12/17/2019] [Revised: 04/09/2020] [Accepted: 05/05/2020] [Indexed: 01/06/2023]
Abstract
Glia play a key role in immunosurveillance within the central nervous system (CNS) and can recognize a wide range of pathogen-associated molecular patterns (PAMPS) via members of multiple pattern recognition receptor (PRR) families. Of these, the expression of cytosolic/nuclear RNA and DNA sensors by glial cells is of particular interest as their ability to interact with intracellular nucleic acids suggests a critical role in the detection of viral pathogens. The recently discovered DNA sensors cyclic GMP-AMP synthase (cGAS) and interferon gamma-inducible protein 16 (IFI16) have been reported to be important for the recognition of DNA pathogens such as herpes simplex virus-1 (HSV-1) in peripheral human cell types, and we have recently demonstrated that human glia express cGAS and its downstream adaptor molecule stimulator of interferon genes (STING). Here, we have demonstrated that human microglial cells functionally express cGAS and exhibit robust constitutive IFI16 expression. While cGAS serves as a significant component in IRF3 activation and IFN-β production by human microglial cells in response to foreign intracellular DNA, IFI16 is not required for such responses. Surprisingly, neither of these sensors mediate effective antiviral responses to HSV-1 in microglia, and this may be due, at least in part, to viral suppression of cGAS and/or IFI16 expression. As such, this ability may represent an important HSV immune evasion strategy in glial cells, and approaches that mitigate such suppression might represent a novel strategy to limit HSV-1-associated neuropathology.
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Affiliation(s)
- Austin M Jeffries
- Department of Biological Sciences, University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, NC, 28223, USA
| | - Andrew W Truman
- Department of Biological Sciences, University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, NC, 28223, USA
| | - Ian Marriott
- Department of Biological Sciences, University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, NC, 28223, USA.
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14
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Achyut BR, Zhang H, Angara K, Mivechi NF, Arbab AS, Ko L. Oncoprotein GT198 vaccination delays tumor growth in MMTV-PyMT mice. Cancer Lett 2020; 476:57-66. [PMID: 32061755 PMCID: PMC7067666 DOI: 10.1016/j.canlet.2020.02.005] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 12/29/2019] [Accepted: 02/07/2020] [Indexed: 02/05/2023]
Abstract
Targeting early lesion in breast cancer is more therapeutically effective. We have previously identified an oncoprotein GT198 (PSMC3IP) in human breast cancer. Here we investigated GT198 in MMTV-PyMT mouse mammary gland tumors and found that GT198 is a shared early lesion in both species. Similar to human breast cancer even before a tumor appears, cytoplasmic GT198 is overexpressed in mouse tumor stroma including pericyte stem cells, descendent adipocytes, fibroblasts, and myoepithelial cells. Using recombinant GT198 protein as an antigen, we vaccinated MMTV-PyMT mice and found that the GT198 vaccine delayed mouse tumor growth and reduced lung metastasis. The antitumor effects were linearly correlated with vaccinated mouse serum titers of GT198 antibody, which recognized cell surface GT198 protein on viable tumor cells confirmed by FACS. Furthermore, GT198+ tumor cells isolated from MMTV-PyMT tumor induced faster tumor growths than GT198- cells when re-implanted into normal FVB/N mice. Together, this first study of GT198 vaccine in mouse showed its effectiveness in antitumor and anti-metastasis. The finding supports GT198 as a potential target in human immunotherapy since GT198 defect is shared in both human and mouse.
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Affiliation(s)
- Bhagelu R Achyut
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, GA, USA; Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Hao Zhang
- Department of General Surgery, The First of Affiliated Hospital of Jinan University, And Institute of Precision Cancer Medicine and Pathology, Jinan University Medical College, Guangzhou, Guangdong, China; Research Center of Translational Medicine, The Second Affiliated Hospital of Shantou University Medical College, Shantou, China.
| | - Kartik Angara
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, GA, USA; Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Nahid F Mivechi
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, GA, USA; Department of Radiation Oncology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Ali S Arbab
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, GA, USA; Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Lan Ko
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, GA, USA; Department of Pathology, Medical College of Georgia, Augusta University, Augusta, GA, USA.
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15
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Cammarata-Mouchtouris A, Nguyen XH, Acker A, Bonnay F, Goto A, Orian A, Fauvarque MO, Boutros M, Reichhart JM, Matt N. Hyd ubiquitinates the NF-κB co-factor Akirin to operate an effective immune response in Drosophila. PLoS Pathog 2020; 16:e1008458. [PMID: 32339205 PMCID: PMC7205318 DOI: 10.1371/journal.ppat.1008458] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 05/07/2020] [Accepted: 03/04/2020] [Indexed: 02/07/2023] Open
Abstract
The Immune Deficiency (IMD) pathway in Drosophila melanogaster is activated upon microbial challenge with Gram-negative bacteria to trigger the innate immune response. In order to decipher this nuclear factor κB (NF-κB) signaling pathway, we undertook an in vitro RNAi screen targeting E3 ubiquitin ligases specifically and identified the HECT-type E3 ubiquitin ligase Hyperplastic discs (Hyd) as a new actor in the IMD pathway. Hyd mediated Lys63 (K63)-linked polyubiquitination of the NF-κB cofactor Akirin was required for efficient binding of Akirin to the NF-κB transcription factor Relish. We showed that this Hyd-dependent interaction was required for the transcription of immunity-related genes that are activated by both Relish and Akirin but was dispensable for the transcription of genes that depend solely on Relish. Therefore Hyd is key in NF-κB transcriptional selectivity downstream of the IMD pathway. Drosophila depleted of Akirin or Hyd failed to express the full set of genes encoding immune-induced anti-microbial peptides and succumbed to immune challenges. We showed further that UBR5, the mammalian homolog of Hyd, was also required downstream of the NF-κB pathway for the activation of Interleukin 6 (IL6) transcription by LPS or IL-1β in cultured human cells. Our findings link the action of an E3 ubiquitin ligase to the activation of immune effector genes, deepening our understanding of the involvement of ubiquitination in inflammation and identifying a potential target for the control of inflammatory diseases. Ubiquitination has been recently identified in pathogenesis and progression of various diseases where inflammation is critical. NF-κB transcription factors are key actors in the transcriptional cascade leading to inflammation as they activate genes with pro- or anti-inflammatory activities. The similarity between the immune pathways in flies and mammals makes Drosophila melanogaster an excellent model to study the innate response. Accordingly, we decided to identify E3 ubiquitin-ligases involved in the regulation of NF-κB pathway, using Drosophila as a model system. A RNAi based screen in immortalized embryonic macrophage-like Drosophila cells points to the HECT-E3 ubiquitin ligase Hyd as a new regulator of the Immune-deficiency (IMD) NF-κB pathway, activated after Gram-negative immune challenge. More precisely, we showed that Hyd acts at the level of Akirin, an evolutionarily conserved player in the NF-κB pathway, required for the transcription of pro-inflammatory genes, but not for the NF-κB-dependent genes contributing to the down-regulation of inflammation. In addition, we could show that the human homologue of Hyd (UBR5) acts genetically at the level of human AKIRIN2, pointing to a unique dichotomy between Hyd/Akirin-dependent and -independent gene activation, allowing for the decoupling activation and resolution of inflammation. These results identified UBR5 as a putative target for anti-inflammatory compounds.
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Affiliation(s)
| | - Xuan-Hung Nguyen
- Vinmec Research Institute of Stem Cell and Gene Technology (VRISG) and College of Health Sciences, VinUniversity Hanoi, Vietnam
| | - Adrian Acker
- Université de Strasbourg, CNRS, M3I UPR 9022, Strasbourg, France
| | - François Bonnay
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna, Austria
| | - Akira Goto
- Université de Strasbourg, CNRS, M3I UPR 9022, Strasbourg, France
| | - Amir Orian
- Rappaport Research Institute and Rappaport Faculty of Medicine, Technion Integrated Cancer Center, Technion—Israel Institute of Technology, Haifa, Israel
| | | | - Michael Boutros
- Division of Signaling and Functional Genomics, German Cancer Research Center (DKFZ), and Department for Cell and Molecular Biology, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany
| | | | - Nicolas Matt
- Université de Strasbourg, CNRS, M3I UPR 9022, Strasbourg, France
- * E-mail:
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16
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Wang J, Li GL, Ming SL, Wang CF, Shi LJ, Su BQ, Wu HT, Zeng L, Han YQ, Liu ZH, Jiang DW, Du YK, Li XD, Zhang GP, Yang GY, Chu BB. BRD4 inhibition exerts anti-viral activity through DNA damage-dependent innate immune responses. PLoS Pathog 2020; 16:e1008429. [PMID: 32208449 PMCID: PMC7122826 DOI: 10.1371/journal.ppat.1008429] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 04/03/2020] [Accepted: 02/23/2020] [Indexed: 12/25/2022] Open
Abstract
Chromatin dynamics regulated by epigenetic modification is crucial in genome stability and gene expression. Various epigenetic mechanisms have been identified in the pathogenesis of human diseases. Here, we examined the effects of ten epigenetic agents on pseudorabies virus (PRV) infection by using GFP-reporter assays. Inhibitors of bromodomain protein 4 (BRD4), which receives much more attention in cancer than viral infection, was found to exhibit substantial anti-viral activity against PRV as well as a range of DNA and RNA viruses. We further demonstrated that BRD4 inhibition boosted a robust innate immune response. BRD4 inhibition also de-compacted chromatin structure and induced the DNA damage response, thereby triggering the activation of cGAS-mediated innate immunity and increasing host resistance to viral infection both in vitro and in vivo. Mechanistically, the inhibitory effect of BRD4 inhibition on viral infection was mainly attributed to the attenuation of viral attachment. Our findings reveal a unique mechanism through which BRD4 inhibition restrains viral infection and points to its potent therapeutic value for viral infectious diseases. BRD4 has been well investigated in tumorigenesis for its contribution to chromatin remodeling and gene transcription. BRD4 inhibitors are used as promising chemotherapeutic drugs for cancer therapy. Here, we show a unique mechanism through which BRD4 inhibition broadly inhibits attachment of DNA and RNA viruses through DNA damage-dependent antiviral innate immune activation via the cGAS-STING pathway, in both cell culture and an animal model. STING-associated innate immune signaling has been considered to be a new possibility for cancer therapy, and STING agonists have been tested in early clinical trials. Our data identify BRD4 inhibitors as a potent therapy not only for viral infection but also for cancer immunotherapy.
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Affiliation(s)
- Jiang Wang
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Guo-Li Li
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Sheng-Li Ming
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Chun-Feng Wang
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Li-Juan Shi
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Bing-Qian Su
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Hong-Tao Wu
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Lei Zeng
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Ying-Qian Han
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Zhong-Hu Liu
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Da-Wei Jiang
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Yong-Kun Du
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Xiang-Dong Li
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Jiangsu Province, P.R. China
| | - Gai-Ping Zhang
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
| | - Guo-Yu Yang
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
- * E-mail: (GYY); (BBC)
| | - Bei-Bei Chu
- College of Animal Sciences and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan Province, P.R. China
- * E-mail: (GYY); (BBC)
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17
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Ma H, Qian W, Bambouskova M, Collins PL, Porter SI, Byrum AK, Zhang R, Artyomov M, Oltz EM, Mosammaparast N, Miner JJ, Diamond MS. Barrier-to-Autointegration Factor 1 Protects against a Basal cGAS-STING Response. mBio 2020; 11:e00136-20. [PMID: 32156810 PMCID: PMC7064753 DOI: 10.1128/mbio.00136-20] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [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: 01/23/2020] [Accepted: 02/03/2020] [Indexed: 12/26/2022] Open
Abstract
Although the pathogen recognition receptor pathways that activate cell-intrinsic antiviral responses are well delineated, less is known about how the host regulates this response to prevent sustained signaling and possible immune-mediated damage. Using a genome-wide CRISPR-Cas9 screening approach to identify host factors that modulate interferon-stimulated gene (ISG) expression, we identified the DNA binding protein Barrier-to-autointegration factor 1 (Banf1), a previously described inhibitor of retrovirus integration, as a modulator of basal cell-intrinsic immunity. Ablation of Banf1 by gene editing resulted in chromatin activation near host defense genes with associated increased expression of ISGs, including Oas2, Rsad2 (viperin), Ifit1, and ISG15 The phenotype in Banf1-deficient cells occurred through a cGAS-, STING-, and IRF3-dependent signaling axis, was associated with reduced infection of RNA and DNA viruses, and was reversed in Banf1 complemented cells. Confocal microscopy and biochemical studies revealed that a loss of Banf1 expression resulted in higher level of cytosolic double-stranded DNA at baseline. Our study identifies an undescribed role for Banf1 in regulating the levels of cytoplasmic DNA and cGAS-dependent ISG homeostasis and suggests possible therapeutic directions for promoting or inhibiting cell-intrinsic innate immune responses.IMPORTANCE Although the interferon (IFN) signaling pathway is a key host mechanism to restrict infection of a diverse range of viral pathogens, its unrestrained activity either at baseline or in the context of an immune response can result in host cell damage and injury. Here, we used a genome-wide CRISPR-Cas9 screen and identified the DNA binding protein Barrier-to-autointegration factor 1 (Banf1) as a modulator of basal cell-intrinsic immunity. A loss of Banf1 expression resulted in higher level of cytosolic double-stranded DNA at baseline, which triggered IFN-stimulated gene expression via a cGAS-STING-IRF3 axis that did not require type I IFN or STAT1 signaling. Our experiments define a regulatory network in which Banf1 limits basal inflammation by preventing self DNA accumulation in the cytosol.
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Affiliation(s)
- Hongming Ma
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Wei Qian
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Monika Bambouskova
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Patrick L Collins
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, Ohio, USA
| | - Sofia I Porter
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, Ohio, USA
| | - Andrea K Byrum
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Rong Zhang
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Maxim Artyomov
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Eugene M Oltz
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, Ohio, USA
| | - Nima Mosammaparast
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Jonathan J Miner
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, USA
- Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Michael S Diamond
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, USA
- Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, Missouri, USA
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Dani L, Holmqvist M, Martínez MA, Trallero-Araguas E, Dastmalchi M, Svensson J, Labrador-Horrillo M, Selva-O'Callaghan A, Lundberg IE. Anti-transcriptional intermediary factor 1 gamma antibodies in cancer-associated myositis: a longitudinal study. Clin Exp Rheumatol 2020; 38:67-73. [PMID: 31365334] [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] [Received: 09/03/2018] [Accepted: 03/18/2019] [Indexed: 06/10/2023]
Abstract
OBJECTIVES To investigate anti-TIF1-γ antibodies in longitudinally followed patients with myositis and cancer. METHODS Serum levels of anti-TIF1-γ antibodies at different time-points in relation to myositis and cancer diagnosis were analysed by ELISA in 79 patients from a Swedish cohort with polymyositis (PM) and dermatomyositis (DM) and a Spanish cohort restricted to DM patients. Anti-TIF1-γ positive and negative patients were compared with Fisher's exact test, student t-tests and Wilcoxon test. RESULTS Thirty-six patients (17 from cohort 1 and 19 from cohort 2) with myositis and cancer were anti-TIF1-γ antibody positive; all had DM. In 88% of anti-TIF1-γ positive patients, cancer was diagnosed within 3 years from DM diagnosis compared to 63% in anti-TIF1-γ negative. Four DM patients, anti-TIF1-γ positive at cancer diagnosis had positive serum samples even antedating cancer diagnosis up to five years. In cohort 1 the median (interquartile range) antibody level was higher, 2.13 au (1.82-2.15), in the seven patients who died <1 year after cancer diagnosis, compared to the seven that died >1 year after cancer diagnosis, 1.34 au (0.92-1.59), (p=0.004). Three patients were still alive and in remission from cancer and DM 14-16 years after cancer treatment of whom two became negative for anti-TIF1-γ antibodies. In the second cohort remission of cancer coincided with remission of DM and low or negative serum levels of autoantibodies. CONCLUSIONS Anti-TIF1-γ antibodies may be detected before clinical symptoms of cancer and may disappear after successful treatment of cancer with remission of DM supporting DM being a paramalignant phenomenon.
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Affiliation(s)
- Lara Dani
- Division of Rheumatology, Department of Medicine, Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden.
| | - Marie Holmqvist
- Division of Rheumatology, Department of Medicine, Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden
| | | | | | - Maryam Dastmalchi
- Division of Rheumatology, Department of Medicine, Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden
| | - John Svensson
- Division of Rheumatology, Department of Medicine, Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden
| | - Moisés Labrador-Horrillo
- Department of Internal Medicine, Vall d'Hebron General Hospital, Universitat Autònoma de Barcelona, Spain
| | - Albert Selva-O'Callaghan
- Department of Internal Medicine, Vall d'Hebron General Hospital, Universitat Autònoma de Barcelona, Spain
| | - Ingrid E Lundberg
- Division of Rheumatology, Department of Medicine, Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden
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Abstract
Carcinogen-induced cancers typically have high mutation burdens and an inflamed microenvironment and thus are poised to respond to immune checkpoint inhibitors (ICIs). However, cancers with loss-of-function mutations in the SWI/SNF complex have few additional mutations yet also have an inflamed immunophenotype and should respond to ICI therapy.
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Affiliation(s)
- Mark Yarmarkovich
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - John M Maris
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA; Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA; Abramson Family Cancer Research Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
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20
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Yang W, Liu C, Xu Q, Qu C, Lv X, Li H, Wu Z, Li M, Yi Q, Wang L, Song L. A novel nuclear factor Akirin regulating the expression of antimicrobial peptides in Chinese mitten crab Eriocheir sinensis. Dev Comp Immunol 2019; 101:103451. [PMID: 31306698 DOI: 10.1016/j.dci.2019.103451] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 07/10/2019] [Accepted: 07/11/2019] [Indexed: 06/10/2023]
Abstract
Akirin, a recently discovered nuclear factor, participates in regulating various processes, including cell proliferation and differentiation, embryonic development, and immunity. In the present study, a novel Akirin was identified from Chinese mitten crab Eriocheir sinensis (designated as EsAkirin), and its primary functions in regulating antimicrobial peptides were explored. The open reading frame of EsAkirin was of 615 bp, encoding a polypeptide of 204 amino acid residues. The deduced amino acid sequence of EsAkirin shared high similarities ranging from 44.1% to 89.2% with other Akirins. In the phylogenetic tree, EsAkirin was firstly clustered with Akirins from shrimp and then assigned into the invertebrate branch. The mRNA transcripts of EsAkirin were constitutively expressed in all the tested tissues, with the highest expression level (5.07-fold compared to the stomach, p < 0.01) in hepatopancreas. The mRNA expression of EsAkirin in hemocytes was significantly increased at 6 h, and reached the maximum level at 24 h post stimulations with either lipopolysaccharide (LPS) (5.04-fold, p < 0.01) or Aeromonas hydrophila (3.10-fold, p < 0.01). After the injection of EsAkirin-dsRNA, the mRNA expressions of EsALF2, EsLYZ, EsCrus2 and EsDWD1 were significantly decreased (p < 0.01) upon LPS stimulation. EsAkirin protein was prominently distributed in the nucleus of E. sinensis hemocytes after LPS and A. hydrophila stimulations. The relative luciferase reporter system analysis revealed that the activity of nuclear factor-κB was significantly up-regulated (2.64-fold, p < 0.01) in human embryonic kidney (HEK293T) cells after the over-expression of EsAkirin. Collectively, these results suggested that EsAkirin might play an important role in the immune responses of E. sinensis by regulating the expression of antimicrobial peptides.
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Affiliation(s)
- Wen Yang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Chao Liu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Qingsong Xu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Chen Qu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Xiaojing Lv
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Huan Li
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Zhaojun Wu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Meijia Li
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Qilin Yi
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China.
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21
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Peng C, Xie D, Zhao C, Xu H, Fan S, Yan L, Wang P, Qiu L. Molecular characterization and functional analysis of Akirin from black tiger shrimp (Penaeus monodon). Fish Shellfish Immunol 2019; 94:607-616. [PMID: 31541777 DOI: 10.1016/j.fsi.2019.09.046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 08/17/2019] [Accepted: 09/18/2019] [Indexed: 06/10/2023]
Abstract
Akirin, which are members of the NF-κB signaling pathway, play critical roles in regulating the expression of antimicrobial peptides. In the present study, the Akirin gene from Penaeus monodon was identified from a transcriptome database and designated as PmAkirin. The complete sequence of the PmAkirin cDNA was 1508 bp, encoding a protein of 213 amino acids, and it showed 99% amino acid identity to the Litopenaeus vannamei Akirin. Two predicted nuclear localization signals (NLSs) were found, and the amino acid sequence alignments showed that PmAkirin was highly conserved at the N-terminus and C-terminus. PmAkirin expression was found to be the highest in the hemolymph, followed by the heart, gill, stomach, hepatopancreas, intestine, and muscle. When challenged with Vibrio parahaemolyticus infection, the PmAkirin mRNA and three antimicrobial peptides (AMPs: PmALF2, PmALF3, and PmCrus4) were upregulated. However, another five AMPs (PmALF6, PmCrus1, PmPEN3a, PmPEN3b, and PmPEN5) were downregulated by V. parahaemolyticus infection. Silencing PmAkirin by dsRNA significantly decreased the expression of the eight AMPs, which lead to an increase in the blood concentration of V. parahaemolyticus and higher mortality in the shrimp. In contrast, the overexpression of PmAkirin significantly increased the expression of the eight AMPs, which led to a reduction in the blood concentration of V. parahaemolyticus and promoted the survival of the shrimp. Taken together, we concluded that PmAkirin plays an important role in regulating the expression of AMPs in black tiger shrimp to defend against V. parahaemolyticus infection.
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Affiliation(s)
- Chao Peng
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, PR China; College of Aqua-life Science and Technology, Shanghai Ocean University, Shanghai, PR China
| | - Dongchang Xie
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, PR China; College of Aqua-life Science and Technology, Shanghai Ocean University, Shanghai, PR China
| | - Chao Zhao
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, PR China
| | - Haidong Xu
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, PR China
| | - Sigang Fan
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, PR China
| | - Lulu Yan
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, PR China
| | - Pengfei Wang
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, PR China
| | - Lihua Qiu
- Key Laboratory of South China Sea Fishery Resources Exploitation & Utilization, Ministry of Agriculture, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, PR China; Key Laboratory of Aquatic Genomics, Ministry of Agriculture, PR China.
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22
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Merola J, Reschke M, Pierce RW, Qin L, Spindler S, Baltazar T, Manes TD, Lopez-Giraldez F, Li G, Bracaglia LG, Xie C, Kirkiles-Smith N, Saltzman WM, Tietjen GT, Tellides G, Pober JS. Progenitor-derived human endothelial cells evade alloimmunity by CRISPR/Cas9-mediated complete ablation of MHC expression. JCI Insight 2019; 4:129739. [PMID: 31527312 PMCID: PMC6824302 DOI: 10.1172/jci.insight.129739] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [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: 05/01/2019] [Accepted: 09/11/2019] [Indexed: 12/20/2022] Open
Abstract
Tissue engineering may address organ shortages currently limiting clinical transplantation. Off-the-shelf engineered vascularized organs will likely use allogeneic endothelial cells (ECs) to construct microvessels required for graft perfusion. Vasculogenic ECs can be differentiated from committed progenitors (human endothelial colony-forming cells or HECFCs) without risk of mutation or teratoma formation associated with reprogrammed stem cells. Like other ECs, these cells can express both class I and class II major histocompatibility complex (MHC) molecules, bind donor-specific antibody (DSA), activate alloreactive T effector memory cells, and initiate rejection in the absence of donor leukocytes. CRISPR/Cas9-mediated dual ablation of β2-microglobulin and class II transactivator (CIITA) in HECFC-derived ECs eliminates both class I and II MHC expression while retaining EC functions and vasculogenic potential. Importantly, dually ablated ECs no longer bind human DSA or activate allogeneic CD4+ effector memory T cells and are resistant to killing by CD8+ alloreactive cytotoxic T lymphocytes in vitro and in vivo. Despite absent class I MHC molecules, these ECs do not activate or elicit cytotoxic activity from allogeneic natural killer cells. These data suggest that HECFC-derived ECs lacking MHC molecule expression can be utilized for engineering vascularized grafts that evade allorejection.
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Affiliation(s)
- Jonathan Merola
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - Melanie Reschke
- Department of Biomedical Engineering, Yale School of Engineering and Applied Science, New Haven, Connecticut, USA
| | | | - Lingfeng Qin
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - Susann Spindler
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - Tania Baltazar
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Thomas D. Manes
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Francesc Lopez-Giraldez
- Yale Center for Genome Analysis and Department of Genetics, Yale University, New Haven, Connecticut, USA
| | - Guangxin Li
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - Laura G. Bracaglia
- Department of Biomedical Engineering, Yale School of Engineering and Applied Science, New Haven, Connecticut, USA
| | - Catherine Xie
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Nancy Kirkiles-Smith
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - W. Mark Saltzman
- Department of Biomedical Engineering, Yale School of Engineering and Applied Science, New Haven, Connecticut, USA
| | - Gregory T. Tietjen
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - George Tellides
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - Jordan S. Pober
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
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23
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Jiang Y, Liu L, Yang S, Cao Y, Song X, Xiao J, Feng H. Black carp PRMT6 inhibits TBK1-IRF3/7 signaling during the antiviral innate immune activation. Fish Shellfish Immunol 2019; 93:108-115. [PMID: 31326582 DOI: 10.1016/j.fsi.2019.07.044] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 07/12/2019] [Accepted: 07/17/2019] [Indexed: 06/10/2023]
Abstract
Protein arginine methylation is a prevalent posttranslational modification and protein arginine methyltransferases 6 (PRMT6) has been identified as a suppressor of TBK1/IRF3 in human and mammals. To explore the role of PRMT6 in teleost fish, PRMT6 homologue of black carp (Mylopharyngodon piceus) has been cloned and characterized in this study. Black carp PRMT6 (bcPRMT6) transcription in host cells varies in response to different stimuli and bcPRMT6 migrates around 43 kDa in the immunoblot assay. Like its mammalian counterpart, bcPRMT6 has been identified to distribute majorly in the nucleus through the immunofluorescent staining assay. bcPRMT6 shows little interferon (IFN) promoter-inducing activity in the reporter assay and bcPRMT6 shows no antiviral activity against either grass carp reovirus (GCRV) or spring viremia of carp virus (SVCV) in plaque assay. When co-expressed with bcPRMT6, the IFN promoter-inducing abilities of black carp TBK1 (bcTBK1) and IRF3/7 (bcIRF3/7) are fiercely attenuated. Accordingly, bcTBK1-mediated antiviral activity in EPC cells is obviously dampened by bcPRMT6. The interaction between bcPRMT6 and bcIRF3/7 has been identified by co-immunoprecipitation assay; however, no direct association between bcPRMT6 and bcTBK1 has been detected. Taken together, our data elucidates for the first time in teleost fish that PRMT6 suppresses TBK1-IRF3/7 signaling during host antiviral innate immune activation.
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Affiliation(s)
- Yuanyuan Jiang
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha, 410081, China
| | - Liqun Liu
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Shisi Yang
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha, 410081, China
| | - Yingyi Cao
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha, 410081, China
| | - Xuejiao Song
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha, 410081, China
| | - Jun Xiao
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha, 410081, China
| | - Hao Feng
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha, 410081, China.
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Singh RK, Lamplugh ZL, Lang F, Yuan Y, Lieberman P, You J, Robertson ES. KSHV-encoded LANA protects the cellular replication machinery from hypoxia induced degradation. PLoS Pathog 2019; 15:e1008025. [PMID: 31479497 PMCID: PMC6743784 DOI: 10.1371/journal.ppat.1008025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 09/13/2019] [Accepted: 08/08/2019] [Indexed: 01/15/2023] Open
Abstract
Kaposi’s sarcoma associated herpesvirus (KSHV), like all herpesviruses maintains lifelong persistence with its host genome in latently infected cells with only a small fraction of cells showing signatures of productive lytic replication. Modulation of cellular signaling pathways by KSHV-encoded latent antigens, and microRNAs, as well as some level of spontaneous reactivation are important requirements for establishment of viral-associated diseases. Hypoxia, a prominent characteristic of the microenvironment of cancers, can exert specific effects on cell cycle control, and DNA replication through HIF1α-dependent pathways. Furthermore, hypoxia can induce lytic replication of KSHV. The mechanism by which KSHV-encoded RNAs and antigens regulate cellular and viral replication in the hypoxic microenvironment has yet to be fully elucidated. We investigated replication-associated events in the isogenic background of KSHV positive and negative cells grown under normoxic or hypoxic conditions and discovered an indispensable role of KSHV for sustained cellular and viral replication, through protection of critical components of the replication machinery from degradation at different stages of the process. These include proteins involved in origin recognition, pre-initiation, initiation and elongation of replicating genomes. Our results demonstrate that KSHV-encoded LANA inhibits hypoxia-mediated degradation of these proteins to sustain continued replication of both host and KSHV DNA. The present study provides a new dimension to our understanding of the role of KSHV in survival and growth of viral infected cells growing under hypoxic conditions and suggests potential new strategies for targeted treatment of KSHV-associated cancer. Hypoxia induces cell cycle arrest and DNA replication to minimize energy and macromolecular demands on the ATP stores of cells in this microenvironment. A select set of proteins functions as transcriptional activators in hypoxia. However, transcriptional and translational pathways are negatively regulated in response to hypoxia. This preserves ATP until the cell encounters more favorable conditions. In contrast, the genome of cancer cells replicates spontaneously under hypoxic conditions, and KSHV undergoes enhanced lytic replication. This unique feature by which KSHV genome is reactivated to induce lytic replication is important to elucidate the molecular mechanism by which cells can bypass hypoxia-mediated arrest of DNA replication in cancer cells. Here we provide data which shows that KSHV can manipulate the DNA replication machinery to support replication in hypoxia. We observed that KSHV can stabilize proteins involved in the pre-initiation, initiation and elongation steps of DNA replication. Specifically, KSHV-encoded LANA was responsible for this stabilization, and maintenance of endogenous HIF1α levels was required for stabilization of these proteins in hypoxia. Expression of LANA in KSHV negative cells confers protection of these replication proteins from hypoxia-dependent degradation, and knock-down of LANA or HIF1α showed a dramatic reduction in KSHV-dependent stabilization of replication-associated proteins in hypoxia. These data suggest a role for KSHV-encoded LANA in replication of infected cells, and provides a mechanism for sustained replication of both cellular and viral DNA in hypoxia.
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Affiliation(s)
- Rajnish Kumar Singh
- Department of Otorhinolaryngology-Head and Neck surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Zachary L. Lamplugh
- Department of Otorhinolaryngology-Head and Neck surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Fengchao Lang
- Department of Otorhinolaryngology-Head and Neck surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Yan Yuan
- Department of Microbiology, Levy Building, School of Dental Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Paul Lieberman
- Program in Gene Regulation, The Wistar Institute, Philadelphia, United States of America
| | - Jianxin You
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
| | - Erle S. Robertson
- Department of Otorhinolaryngology-Head and Neck surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America
- * E-mail:
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25
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McMahan ZH, Domsic RT, Zhu L, Medsger TA, Casciola-Rosen L, Shah AA. Anti-RNPC-3 (U11/U12) Antibodies in Systemic Sclerosis in Patients With Moderate-to-Severe Gastrointestinal Dysmotility. Arthritis Care Res (Hoboken) 2019; 71:1164-1170. [PMID: 30242973 PMCID: PMC6430701 DOI: 10.1002/acr.23763] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 09/18/2018] [Indexed: 12/25/2022]
Abstract
OBJECTIVE To examine the association of anti-RNPC-3 antibodies in patients with systemic sclerosis (scleroderma or SSc) with selected gastrointestinal (GI) tract complications. METHODS Sera from patients with SSc with or without severe GI dysfunction (total parenteral nutrition dependence) from the Johns Hopkins Scleroderma Center were screened for anti-RNPC-3 antibodies. We then examined anti-RNPC-3-positive cases and negative SSc controls from the University of Pittsburgh and the University of Pittsburgh Medical Center (UPMC) scleroderma cohort to confirm our findings and to examine whether specific GI features were associated with anti-RNPC-3 antibodies. RESULTS In the discovery cohort, patients with SSc with severe GI dysfunction (n = 37) and without GI dysfunction (n = 38) were screened for anti-RNPC-3 antibodies. The former were more likely to have anti-RNPC-3 antibodies (14% versus 3%; P = 0.11). In the Pittsburgh cohort, moderate-to-severe GI dysfunction (Medsger GI score ≥2) was present in 36% of anti-RNPC-3-positive patients versus 15% of anti-RNPC-3-negative patients (P ≤ 0.01). Anti-RNPC-3-positive patients were more likely to be male (31% versus 15%; P = 0.04), African American (18% versus 6%; P = 0.02), have esophageal dysmotility (93% versus 62%; P < 0.01), and interstitial lung disease (ILD) (77% versus 35%; P < 0.01). After adjusting for relevant covariates and potential confounders, moderate-to-severe GI disease was associated with anti-RNPC-3 antibodies (odds ratio [OR] 3.8 [95% confidence interval (95% CI) 1.0-14.3]), and ILD trended toward significance (OR 2.8 [95% CI 1.0-8.2]). CONCLUSION Patients with SSc and anti-RNPC-3 antibodies are more likely to be male and African American and to have moderate-to-severe GI disease and ILD. Further studies on larger patient cohorts may be helpful in further defining subsets of patients with SSc at risk for severe GI involvement.
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Affiliation(s)
| | - Robyn T Domsic
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Lei Zhu
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Thomas A Medsger
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | | | - Ami A Shah
- Johns Hopkins University School of Medicine, Baltimore, Maryland
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Gergs U, Jahn T, Werner F, Köhler C, Köpp F, Großmann C, Neumann J. Overexpression of protein phosphatase 5 in the mouse heart: Reduced contractility but increased stress tolerance - Two sides of the same coin? PLoS One 2019; 14:e0221289. [PMID: 31425567 PMCID: PMC6699691 DOI: 10.1371/journal.pone.0221289] [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] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 08/02/2019] [Indexed: 11/18/2022] Open
Abstract
The pathophysiological mechanisms of sepsis-induced cardiac dysfunction are largely unknown. The Toll-like receptor 4 (TLR4) is expressed in cardiac myocytes and is involved in bacterial endotoxin-mediated inflammatory disorders. TLR4 signaling leads to activation of the nuclear factor kappa B followed by increased expression of cytokines. Several protein phosphatases including PP2Cβ, PP2A or PP1 are known to act as regulators of this signaling pathway. Here, we examined the role of PP5 for the inflammatory response to the bacterial endotoxin lipopolysaccharide in the heart using a transgenic mouse model with cardiac myocyte directed overexpression of PP5. In these transgenic mice, basal cardiac contractility was reduced, in vivo as well as in vitro, but LPS-induced cardiac dysfunction was less pronounced compared to wild type mice. Quantitative RT-PCR suggested an attenuated NF-κB signaling in the heart and cardiac expression of heat shock protein 25 (HSP25) was increased in PP5 transgenic mice. From our data we assume that PP5 increases stress tolerance of cardiac myocytes by downregulation of NF-κB signaling and upregulation of HSP25 expression.
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Affiliation(s)
- Ulrich Gergs
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Germany
- * E-mail:
| | - Tina Jahn
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Germany
| | - Franziska Werner
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Germany
| | - Carolin Köhler
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Germany
| | - Friedrich Köpp
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Germany
| | - Claudia Großmann
- Julius-Bernstein-Institut für Physiologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Germany
| | - Joachim Neumann
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Germany
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27
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Narayan R, Olsson N, Wagar LE, Medeiros BC, Meyer E, Czerwinski D, Khodadoust MS, Zhang L, Schultz L, Davis MM, Elias JE, Levy R. Acute myeloid leukemia immunopeptidome reveals HLA presentation of mutated nucleophosmin. PLoS One 2019; 14:e0219547. [PMID: 31291378 PMCID: PMC6619824 DOI: 10.1371/journal.pone.0219547] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 06/20/2019] [Indexed: 12/31/2022] Open
Abstract
Somatic mutations in cancer are a potential source of cancer specific neoantigens. Acute myeloid leukemia (AML) has common recurrent mutations shared between patients in addition to private mutations specific to individuals. We hypothesized that neoantigens derived from recurrent shared mutations would be attractive targets for future immunotherapeutic approaches. Here we sought to study the HLA Class I and II immunopeptidome of thirteen primary AML tumor samples and two AML cell lines (OCI-AML3 and MV4-11) using mass spectrometry to evaluate for endogenous mutation-bearing HLA ligands from common shared AML mutations. We identified two endogenous, mutation-bearing HLA Class I ligands from nucleophosmin (NPM1). The ligands, AVEEVSLRK from two patient samples and C(cys)LAVEEVSL from OCI-AML3, are predicted to bind the common HLA haplotypes, HLA-A*03:01 and HLA-A*02:01 respectively. Since NPM1 is mutated in approximately one-third of patients with AML, the finding of endogenous HLA ligands from mutated NPM1 supports future studies evaluating immunotherapeutic approaches against this shared target, for this subset of patients with AML.
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Affiliation(s)
- Rupa Narayan
- Department of Medicine, Division of Hematology, Stanford University, Stanford, CA, United States of America
- * E-mail:
| | - Niclas Olsson
- Department of Chemical and Systems Biology, Stanford University, Stanford, CA, United States of America
| | - Lisa E. Wagar
- Department of Microbiology & Immunology, Stanford University, Stanford, CA, United States of America
| | - Bruno C. Medeiros
- Department of Medicine, Division of Hematology, Stanford University, Stanford, CA, United States of America
| | - Everett Meyer
- Department of Medicine, Division of Blood and Marrow Transplantation, Stanford University, Stanford, CA, United States of America
| | - Debra Czerwinski
- Department of Medicine, Division of Oncology, Stanford University, Stanford, CA, United States of America
| | - Michael S. Khodadoust
- Department of Medicine, Division of Oncology, Stanford University, Stanford, CA, United States of America
| | - Lichao Zhang
- Department of Chemical and Systems Biology, Stanford University, Stanford, CA, United States of America
| | - Liora Schultz
- Department of Pediatrics, Division of Hematology/Oncology, Stanford University, Stanford, CA, United States of America
| | - Mark M. Davis
- Department of Microbiology & Immunology, Stanford University, Stanford, CA, United States of America
- Howard Hughes Medical Institute, Stanford University, Stanford, CA, United States of America
| | - Joshua E. Elias
- Department of Chemical and Systems Biology, Stanford University, Stanford, CA, United States of America
| | - Ron Levy
- Department of Medicine, Division of Oncology, Stanford University, Stanford, CA, United States of America
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Elias MS, Wright SC, Remenyi J, Abbott JC, Bray SE, Cole C, Edwards S, Gierlinski M, Glok M, McGrath JA, Nicholson WV, Paternoster L, Prescott AR, Have ST, Whitfield PD, Lamond AI, Brown SJ. EMSY expression affects multiple components of the skin barrier with relevance to atopic dermatitis. J Allergy Clin Immunol 2019; 144:470-481. [PMID: 31158401 PMCID: PMC6683598 DOI: 10.1016/j.jaci.2019.05.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/07/2019] [Accepted: 05/14/2019] [Indexed: 12/14/2022]
Abstract
Background Atopic dermatitis (AD) is a common, complex, and highly heritable inflammatory skin disease. Genome-wide association studies offer opportunities to identify molecular targets for drug development. A risk locus on chromosome 11q13.5 lies between 2 candidate genes, EMSY and LRRC32 (leucine-rich repeat-containing 32) but the functional mechanisms affecting risk of AD remain unclear. Objectives We sought to apply a combination of genomic and molecular analytic techniques to investigate which genes are responsible for genetic risk at this locus and to define mechanisms contributing to atopic skin disease. Methods We used interrogation of available genomic and chromosome conformation data in keratinocytes, small interfering RNA (siRNA)–mediated knockdown in skin organotypic culture and functional assessment of barrier parameters, mass spectrometric global proteomic analysis and quantitative lipid analysis, electron microscopy of organotypic skin, and immunohistochemistry of human skin samples. Results Genomic data indicate active promoters in the genome-wide association study locus and upstream of EMSY; EMSY, LRRC32, and intergenic variants all appear to be within a single topologically associating domain. siRNA-knockdown of EMSY in organotypic culture leads to enhanced development of barrier function, reflecting increased expression of structural and functional proteins, including filaggrin and filaggrin-2, as well as long-chain ceramides. Conversely, overexpression of EMSY in keratinocytes leads to a reduction in markers of barrier formation. Skin biopsy samples from patients with AD show greater EMSY staining in the nucleus, which is consistent with an increased functional effect of this transcriptional control protein. Conclusion Our findings demonstrate an important role for EMSY in transcriptional regulation and skin barrier formation, supporting EMSY inhibition as a therapeutic approach.
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Affiliation(s)
- Martina S Elias
- Skin Research Group, Division of Molecular and Clinical Medicine, School of Medicine, University of Dundee, Dundee, United Kingdom.
| | - Sheila C Wright
- Skin Research Group, Division of Molecular and Clinical Medicine, School of Medicine, University of Dundee, Dundee, United Kingdom
| | - Judit Remenyi
- Skin Research Group, Division of Molecular and Clinical Medicine, School of Medicine, University of Dundee, Dundee, United Kingdom
| | - James C Abbott
- Data Analysis/Bioinformatics Group, School of Life Sciences, University of Dundee, Dundee, United Kingdom
| | - Susan E Bray
- NHS Research Scotland Biorepository Tayside, Ninewells Hospital and Medical School, University of Dundee, Dundee, United Kingdom
| | - Christian Cole
- Data Analysis/Bioinformatics Group, School of Life Sciences, University of Dundee, Dundee, United Kingdom
| | - Sharon Edwards
- Department of Pathology, Ninewells Hospital and Medical School, Dundee, United Kingdom
| | - Marek Gierlinski
- Data Analysis/Bioinformatics Group, School of Life Sciences, University of Dundee, Dundee, United Kingdom
| | - Mateusz Glok
- Skin Research Group, Division of Molecular and Clinical Medicine, School of Medicine, University of Dundee, Dundee, United Kingdom
| | - John A McGrath
- St John's Institute of Dermatology, King's College London (Guy's Campus), London, United Kingdom
| | - William V Nicholson
- Skin Research Group, Division of Molecular and Clinical Medicine, School of Medicine, University of Dundee, Dundee, United Kingdom
| | - Lavinia Paternoster
- MRC Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Alan R Prescott
- Dundee Imaging Facility, School of Life Sciences, University of Dundee, Dundee, United Kingdom
| | - Sara Ten Have
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee, United Kingdom
| | - Phillip D Whitfield
- Lipidomics Research Facility, Division of Biomedical Sciences, University of the Highlands and Islands, Inverness, United Kingdom
| | - Angus I Lamond
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee, United Kingdom
| | - Sara J Brown
- Skin Research Group, Division of Molecular and Clinical Medicine, School of Medicine, University of Dundee, Dundee, United Kingdom; Department of Dermatology, Ninewells Hospital, Dundee, United Kingdom.
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29
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Sokolova EA, Shilova ON, Kiseleva DV, Schulga AA, Balalaeva IV, Deyev SM. HER2-Specific Targeted Toxin DARPin-LoPE: Immunogenicity and Antitumor Effect on Intraperitoneal Ovarian Cancer Xenograft Model. Int J Mol Sci 2019; 20:E2399. [PMID: 31096563 PMCID: PMC6567818 DOI: 10.3390/ijms20102399] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [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: 04/08/2019] [Revised: 05/04/2019] [Accepted: 05/14/2019] [Indexed: 12/25/2022] Open
Abstract
High immunogenicity and systemic toxicity are the main obstacles limiting the clinical use of the therapeutic agents based on Pseudomonas aeruginosa exotoxin A. In this work, we studied the immunogenicity, general toxicity and antitumor effect of the targeted toxin DARPin-LoPE composed of HER2-specific DARPin and a low immunogenic exotoxin A fragment lacking immunodominant human B lymphocyte epitopes. The targeted toxin has been shown to effectively inhibit the growth of HER2-positive human ovarian carcinoma xenografts, while exhibiting low non-specific toxicity and side effects, such as vascular leak syndrome and liver tissue degradation, as well as low immunogenicity, as was shown by specific antibody titer. This represents prospects for its use as an agent for targeted therapy of HER2-positive tumors.
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Affiliation(s)
- Evgeniya A Sokolova
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, 23 Gagarin ave., Nizhny Novgorod 603950, Russia.
- Laboratory of Molecular Immunology, Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10 Miklukho-Maklay St., Moscow 117997, Russia.
| | - Olga N Shilova
- Laboratory of Molecular Immunology, Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10 Miklukho-Maklay St., Moscow 117997, Russia.
| | - Daria V Kiseleva
- Laboratory of Molecular Immunology, Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10 Miklukho-Maklay St., Moscow 117997, Russia.
| | - Alexey A Schulga
- Laboratory of Molecular Immunology, Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10 Miklukho-Maklay St., Moscow 117997, Russia.
| | - Irina V Balalaeva
- Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, 23 Gagarin ave., Nizhny Novgorod 603950, Russia.
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University, 8-2 Trubetskaya str., Moscow 119991, Russia.
| | - Sergey M Deyev
- Laboratory of Molecular Immunology, Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10 Miklukho-Maklay St., Moscow 117997, Russia.
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University, 8-2 Trubetskaya str., Moscow 119991, Russia.
- Research Nuclear Reactor Center, National Research Tomsk Polytechnic University, 30 Lenin ave., Tomsk 634050, Russia.
- Institute of Engineering Physics for Biomedicine (PhysBio), National Research Nuclear University "MEPhI", 31 Kashirskoe Shosse, Moscow 115409, Russia.
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30
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Yang W, Lee KW, Srivastava RM, Kuo F, Krishna C, Chowell D, Makarov V, Hoen D, Dalin MG, Wexler L, Ghossein R, Katabi N, Nadeem Z, Cohen MA, Tian SK, Robine N, Arora K, Geiger H, Agius P, Bouvier N, Huberman K, Vanness K, Havel JJ, Sims JS, Samstein RM, Mandal R, Tepe J, Ganly I, Ho AL, Riaz N, Wong RJ, Shukla N, Chan TA, Morris LGT. Immunogenic neoantigens derived from gene fusions stimulate T cell responses. Nat Med 2019; 25:767-775. [PMID: 31011208 PMCID: PMC6558662 DOI: 10.1038/s41591-019-0434-2] [Citation(s) in RCA: 238] [Impact Index Per Article: 47.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 03/22/2019] [Indexed: 12/27/2022]
Abstract
Anti-tumor immunity is driven by self versus non-self discrimination. Many immunotherapeutic approaches to cancer have taken advantage of tumor neoantigens derived from somatic mutations. Here, we demonstrate that gene fusions are a source of immunogenic neoantigens that can mediate responses to immunotherapy. We identified an exceptional responder with metastatic head and neck cancer who experienced a complete response to immune checkpoint inhibitor therapy, despite a low mutational load and minimal pre-treatment immune infiltration in the tumor. Using whole-genome sequencing and RNA sequencing, we identified a novel gene fusion and demonstrated that it produces a neoantigen that can specifically elicit a host cytotoxic T cell response. In a cohort of head and neck tumors with low mutation burden, minimal immune infiltration and prevalent gene fusions, we also identified gene fusion-derived neoantigens that generate cytotoxic T cell responses. Finally, analyzing additional datasets of fusion-positive cancers, including checkpoint-inhibitor-treated tumors, we found evidence of immune surveillance resulting in negative selective pressure against gene fusion-derived neoantigens. These findings highlight an important class of tumor-specific antigens and have implications for targeting gene fusion events in cancers that would otherwise be less poised for response to immunotherapy, including cancers with low mutational load and minimal immune infiltration.
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Affiliation(s)
- Wei Yang
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ken-Wing Lee
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Raghvendra M Srivastava
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Fengshen Kuo
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Chirag Krishna
- Computational and Systems Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Diego Chowell
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Vladimir Makarov
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Douglas Hoen
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Martin G Dalin
- Department of Pediatrics, Institute of Clinical Sciences, University of Gothenburg, Gothenburg, Sweden
| | - Leonard Wexler
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ronald Ghossein
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Nora Katabi
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Zaineb Nadeem
- Department of Surgery (Head and Neck Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Marc A Cohen
- Department of Surgery (Head and Neck Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - S Ken Tian
- New York Genome Center, New York, NY, USA
| | | | | | | | | | - Nancy Bouvier
- Integrated Genomics Operation, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Kety Huberman
- Integrated Genomics Operation, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Katelynd Vanness
- Integrated Genomics Operation, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Jonathan J Havel
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Jennifer S Sims
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Robert M Samstein
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Rajarsi Mandal
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Department of Surgery (Head and Neck Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Justin Tepe
- Department of Surgery (Head and Neck Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ian Ganly
- Department of Surgery (Head and Neck Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Alan L Ho
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Nadeem Riaz
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Richard J Wong
- Department of Surgery (Head and Neck Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Neerav Shukla
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Timothy A Chan
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
| | - Luc G T Morris
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Immunogenomics and Precision Oncology Platform, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Department of Surgery (Head and Neck Service), Memorial Sloan Kettering Cancer Center, New York, NY, USA.
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Prinz F, Kapeller A, Pichler M, Klec C. The Implications of the Long Non-Coding RNA NEAT1 in Non-Cancerous Diseases. Int J Mol Sci 2019; 20:ijms20030627. [PMID: 30717168 PMCID: PMC6387324 DOI: 10.3390/ijms20030627] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 01/10/2019] [Accepted: 01/29/2019] [Indexed: 12/19/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are involved in a variety of biological and cellular processes as well as in physiologic and pathophysiologic events. This review summarizes recent literature about the role of the lncRNA nuclear enriched abundant transcript 1 (NEAT1) in non-cancerous diseases with a special focus on viral infections and neurodegenerative diseases. In contrast to its role as competing endogenous RNA (ceRNA) in carcinogenesis, NEAT1's function in non-cancerous diseases predominantly focuses on paraspeckle-mediated effects on gene expression. This involves processes such as nuclear retention of mRNAs or sequestration of paraspeckle proteins from specific promoters, resulting in transcriptional induction or repression of genes involved in regulating the immune system or neurodegenerative processes. NEAT1 expression is aberrantly-mostly upregulated-in non-cancerous pathological conditions, indicating that it could serve as potential prognostic biomarker. Additional studies are needed to elucidate NEAT1's capability to be a therapeutic target for non-cancerous diseases.
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Affiliation(s)
- Felix Prinz
- Division of Oncology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria.
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Medical University of Graz, 8010 Graz, Austria.
| | - Anita Kapeller
- Division of Oncology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria.
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Medical University of Graz, 8010 Graz, Austria.
| | - Martin Pichler
- Division of Oncology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria.
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Medical University of Graz, 8010 Graz, Austria.
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA.
| | - Christiane Klec
- Division of Oncology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria.
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Medical University of Graz, 8010 Graz, Austria.
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32
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Sarute N, Ibrahim N, Medegan Fagla B, Lavanya M, Cuevas C, Stavrou S, Otkiran-Clare G, Tyynismaa H, Henao-Mejia J, Ross SR. TRIM2, a novel member of the antiviral family, limits New World arenavirus entry. PLoS Biol 2019; 17:e3000137. [PMID: 30726215 PMCID: PMC6380604 DOI: 10.1371/journal.pbio.3000137] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 02/19/2019] [Accepted: 01/18/2019] [Indexed: 01/31/2023] Open
Abstract
Tripartite motif (TRIM) proteins belong to a large family with many roles in host biology, including restricting virus infection. Here, we found that TRIM2, which has been implicated in cases of Charcot-Marie-Tooth disease (CMTD) in humans, acts by blocking hemorrhagic fever New World arenavirus (NWA) entry into cells. We show that Trim2-knockout mice, as well as primary fibroblasts from a CMTD patient with mutations in TRIM2, are more highly infected by the NWAs Junín and Tacaribe virus than wild-type mice or cells are. Using mice with different Trim2 gene deletions and TRIM2 mutant constructs, we demonstrate that its antiviral activity is uniquely independent of the RING domain encoding ubiquitin ligase activity. Finally, we show that one member of the TRIM2 interactome, signal regulatory protein α (SIRPA), a known inhibitor of phagocytosis, also restricts NWA infection and conversely that TRIM2 limits phagocytosis of apoptotic cells. In addition to demonstrating a novel antiviral mechanism for TRIM proteins, these studies suggest that the NWA entry and phagocytosis pathways overlap.
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MESH Headings
- Animals
- Antigens, Differentiation/genetics
- Antigens, Differentiation/immunology
- Antigens, Differentiation/metabolism
- Apoptosis
- Arenaviruses, New World/genetics
- Arenaviruses, New World/growth & development
- Arenaviruses, New World/pathogenicity
- Brain/immunology
- Brain/metabolism
- Brain/virology
- Cell Line, Tumor
- Charcot-Marie-Tooth Disease/genetics
- Charcot-Marie-Tooth Disease/metabolism
- Charcot-Marie-Tooth Disease/pathology
- Chlorocebus aethiops
- Fibroblasts/immunology
- Fibroblasts/metabolism
- Fibroblasts/virology
- Gene Expression Regulation
- HEK293 Cells
- Host-Pathogen Interactions/genetics
- Host-Pathogen Interactions/immunology
- Humans
- Macrophages/immunology
- Macrophages/metabolism
- Macrophages/virology
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Mitogen-Activated Protein Kinase 1/genetics
- Mitogen-Activated Protein Kinase 1/immunology
- Mitogen-Activated Protein Kinase 1/metabolism
- Mitogen-Activated Protein Kinase 3/genetics
- Mitogen-Activated Protein Kinase 3/immunology
- Mitogen-Activated Protein Kinase 3/metabolism
- Neurofilament Proteins/genetics
- Neurofilament Proteins/immunology
- Neurofilament Proteins/metabolism
- Nuclear Proteins/genetics
- Nuclear Proteins/immunology
- Nuclear Proteins/metabolism
- Osteoblasts/immunology
- Osteoblasts/metabolism
- Osteoblasts/virology
- Primary Cell Culture
- Receptors, Immunologic/genetics
- Receptors, Immunologic/immunology
- Receptors, Immunologic/metabolism
- Signal Transduction
- Vero Cells
- Virus Internalization
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Affiliation(s)
- Nicolas Sarute
- Department of Microbiology and Immunology, UIC College of Medicine, Chicago, Illinois, United States of America
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Nouhou Ibrahim
- Department of Microbiology and Immunology, UIC College of Medicine, Chicago, Illinois, United States of America
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Bani Medegan Fagla
- Department of Microbiology and Immunology, UIC College of Medicine, Chicago, Illinois, United States of America
| | - Madakasira Lavanya
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Christian Cuevas
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Spyridon Stavrou
- Department of Microbiology and Immunology, UIC College of Medicine, Chicago, Illinois, United States of America
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Guliz Otkiran-Clare
- Department of Microbiology and Immunology, UIC College of Medicine, Chicago, Illinois, United States of America
- Department of Biological Sciences, UIC, Chicago, Illinois, United States of America
| | - Henna Tyynismaa
- Research Program for Molecular Neurology, University of Helsinki, Helsinki, Finland
| | - Jorge Henao-Mejia
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Susan R. Ross
- Department of Microbiology and Immunology, UIC College of Medicine, Chicago, Illinois, United States of America
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
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Treger RS, Pope SD, Kong Y, Tokuyama M, Taura M, Iwasaki A. The Lupus Susceptibility Locus Sgp3 Encodes the Suppressor of Endogenous Retrovirus Expression SNERV. Immunity 2019; 50:334-347.e9. [PMID: 30709743 DOI: 10.1016/j.immuni.2018.12.022] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [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: 08/02/2018] [Revised: 10/18/2018] [Accepted: 12/17/2018] [Indexed: 12/24/2022]
Abstract
Elevated endogenous retrovirus (ERV) transcription and anti-ERV antibody reactivity are implicated in lupus pathogenesis. Overproduction of non-ecotropic ERV (NEERV) envelope glycoprotein gp70 and resultant nephritis occur in lupus-prone mice, but whether NEERV mis-expression contributes to lupus etiology is unclear. Here we identified suppressor of NEERV (Snerv) 1 and 2, Krüppel-associated box zinc-finger proteins (KRAB-ZFPs) that repressed NEERV by binding the NEERV long terminal repeat to recruit the transcriptional regulator KAP1. Germline Snerv1/Snerv2 deletion increased activating chromatin modifications, transcription, and gp70 expression from NEERV loci. F1 crosses of lupus-prone New Zealand Black (NZB) and 129 mice to Snerv1/Snerv2-/- mice failed to restore NEERV repression, demonstrating that loss of SNERV underlies the lupus autoantigen gp70 overproduction that promotes nephritis in susceptible mice and that SNERV encodes for Sgp3 (in NZB mice) and Gv-1 loci (in 129 mice). Increased ERV expression in lupus patients inversely correlated with three putative ERV-suppressing KRAB-ZFPs, suggesting that loss of KRAB-ZFP-mediated ERV control may contribute to human lupus pathogenesis.
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Affiliation(s)
- Rebecca S Treger
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Scott D Pope
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Yong Kong
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Molecular Biophysics and Biochemistry, W.M. Keck Foundation Biotechnology Resource Laboratory, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Maria Tokuyama
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Manabu Taura
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Akiko Iwasaki
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, CT 06520, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA.
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34
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Chen Z, Amro EM, Becker F, Hölzer M, Rasa SMM, Njeru SN, Han B, Di Sanzo S, Chen Y, Tang D, Tao S, Haenold R, Groth M, Romanov VS, Kirkpatrick JM, Kraus JM, Kestler HA, Marz M, Ori A, Neri F, Morita Y, Rudolph KL. Cohesin-mediated NF-κB signaling limits hematopoietic stem cell self-renewal in aging and inflammation. J Exp Med 2019; 216:152-175. [PMID: 30530755 PMCID: PMC6314529 DOI: 10.1084/jem.20181505] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 11/06/2018] [Accepted: 11/19/2018] [Indexed: 01/02/2023] Open
Abstract
Organism aging is characterized by increased inflammation and decreased stem cell function, yet the relationship between these factors remains incompletely understood. This study shows that aged hematopoietic stem and progenitor cells (HSPCs) exhibit increased ground-stage NF-κB activity, which enhances their responsiveness to undergo differentiation and loss of self-renewal in response to inflammation. The study identifies Rad21/cohesin as a critical mediator of NF-κB signaling, which increases chromatin accessibility in the vicinity of NF-κB target genes in response to inflammation. Rad21 is required for normal differentiation, but limits self-renewal of hematopoietic stem cells (HSCs) during aging and inflammation in an NF-κB-dependent manner. HSCs from aged mice fail to down-regulate Rad21/cohesin and inflammation/differentiation signals in the resolution phase of inflammation. Inhibition of cohesin/NF-κB reverts hypersensitivity of aged HSPCs to inflammation-induced differentiation and myeloid-biased HSCs with disrupted/reduced expression of Rad21/cohesin are increasingly selected during aging. Together, Rad21/cohesin-mediated NF-κB signaling limits HSPC function during aging and selects for cohesin-deficient HSCs with myeloid-skewed differentiation.
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Affiliation(s)
- Zhiyang Chen
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Elias Moris Amro
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Friedrich Becker
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Martin Hölzer
- RNA Bioinformatics and High-Throughput Analysis, Friedrich Schiller University Jena, Jena, Germany
- European Virus Bioinformatics Center (EVBC), Jena, Germany
| | | | | | - Bing Han
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Simone Di Sanzo
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Yulin Chen
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Duozhuang Tang
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Si Tao
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Ronny Haenold
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
- Matthias Schleiden Institute for Genetics, Bioinformatics and Molecular Botany, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany
| | - Marco Groth
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Vasily S Romanov
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | | | - Johann M Kraus
- Institute of Medical Systems Biology, Ulm University, Ulm, Germany
| | - Hans A Kestler
- Institute of Medical Systems Biology, Ulm University, Ulm, Germany
| | - Manja Marz
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
- RNA Bioinformatics and High-Throughput Analysis, Friedrich Schiller University Jena, Jena, Germany
- European Virus Bioinformatics Center (EVBC), Jena, Germany
| | - Alessandro Ori
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Francesco Neri
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - Yohei Morita
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
| | - K Lenhard Rudolph
- Leibniz Institute on Aging, Fritz Lipmann Institute (FLI), Jena, Germany
- Faculty of Medicine, Friedrich-Schiller-University, Jena, Germany
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35
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Andreiana BC, Stepan AE, Taisescu O, Al Khatib AM, Florescu MM, Simionescu CE, Crişan AE. Immunoexpression of Snail, Twist1 and Slug in clear cell renal cell carcinoma. Rom J Morphol Embryol 2019; 60:463-468. [PMID: 31658319] [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] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Clear cell renal cell carcinomas (ccRCC) represent about 80% of the malignant neoplasia with this localization. Snail, Twist1 and Slug are transcription factors and play a central role in the epithelial-mesenchymal transition (EMT), which is involved in the progression of renal cell carcinoma (RCC). In this study, we analyzed the immunoexpression of these transcription factors in 50 cases of ccRCC, in relation to histopathological aggressiveness parameters of the lesions. The results indicated the association of Snail and Twist1 expression with high Fuhrman grade, as well as the association of Slug expression with low Fuhrman grade. The immunoexpression of Snail and Twist1 was significantly superior for advanced stages and Slug was overexpressed in early stages of ccRCC. Our study supports the usefulness of the Snail, Twist1 and Slug expression for the appreciation of aggressiveness in ccRCC, the panel being attractive for targeted therapy.
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36
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OhAinle M, Helms L, Vermeire J, Roesch F, Humes D, Basom R, Delrow JJ, Overbaugh J, Emerman M. A virus-packageable CRISPR screen identifies host factors mediating interferon inhibition of HIV. eLife 2018; 7:e39823. [PMID: 30520725 PMCID: PMC6286125 DOI: 10.7554/elife.39823] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [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: 07/04/2018] [Accepted: 11/13/2018] [Indexed: 12/14/2022] Open
Abstract
Interferon (IFN) inhibits HIV replication by inducing antiviral effectors. To comprehensively identify IFN-induced HIV restriction factors, we assembled a CRISPR sgRNA library of Interferon Stimulated Genes (ISGs) into a modified lentiviral vector that allows for packaging of sgRNA-encoding genomes in trans into budding HIV-1 particles. We observed that knockout of Zinc Antiviral Protein (ZAP) improved the performance of the screen due to ZAP-mediated inhibition of the vector. A small panel of IFN-induced HIV restriction factors, including MxB, IFITM1, Tetherin/BST2 and TRIM5alpha together explain the inhibitory effects of IFN on the CXCR4-tropic HIV-1 strain, HIV-1LAI, in THP-1 cells. A second screen with a CCR5-tropic primary strain, HIV-1Q23.BG505, described an overlapping, but non-identical, panel of restriction factors. Further, this screen also identifies HIV dependency factors. The ability of IFN-induced restriction factors to inhibit HIV strains to replicate in human cells suggests that these human restriction factors are incompletely antagonized. Editorial note This article has been through an editorial process in which the authors decide how to respond to the issues raised during peer review. The Reviewing Editor's assessment is that all the issues have been addressed (see decision letter).
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Affiliation(s)
- Molly OhAinle
- Divisions of Human Biology and Basic SciencesFred Hutchinson Cancer Research CenterWashingtonUnited States
| | - Louisa Helms
- Divisions of Human Biology and Basic SciencesFred Hutchinson Cancer Research CenterWashingtonUnited States
| | - Jolien Vermeire
- Divisions of Human Biology and Basic SciencesFred Hutchinson Cancer Research CenterWashingtonUnited States
| | - Ferdinand Roesch
- Divisions of Human Biology and Basic SciencesFred Hutchinson Cancer Research CenterWashingtonUnited States
| | - Daryl Humes
- Divisions of Human Biology and Basic SciencesFred Hutchinson Cancer Research CenterWashingtonUnited States
| | - Ryan Basom
- Genomics and Bioinformatics Shared ResourceFred Hutchinson Cancer Research CenterSeattleUnited States
| | - Jeffrey J Delrow
- Genomics and Bioinformatics Shared ResourceFred Hutchinson Cancer Research CenterSeattleUnited States
| | - Julie Overbaugh
- Divisions of Human Biology and Basic SciencesFred Hutchinson Cancer Research CenterWashingtonUnited States
| | - Michael Emerman
- Divisions of Human Biology and Basic SciencesFred Hutchinson Cancer Research CenterWashingtonUnited States
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37
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Mamyrova G, Kishi T, Targoff IN, Ehrlich A, Curiel RV, Rider LG. Features distinguishing clinically amyopathic juvenile dermatomyositis from juvenile dermatomyositis. Rheumatology (Oxford) 2018; 57:1956-1963. [PMID: 30016492 PMCID: PMC6199536 DOI: 10.1093/rheumatology/key190] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 05/25/2018] [Indexed: 11/12/2022] Open
Abstract
Objective We examined features of clinically amyopathic JDM (CAJDM), in which patients have characteristic rashes with little to no evidence of muscle involvement, to determine whether this is a distinct phenotype from JDM. Methods Demographic, clinical, laboratory and treatment data from 12 (9 hypomyopathic, 3 amyopathic) patients meeting modified Sontheimer criteria for CAJDM and from 60 matched JDM patients meeting Bohan and Peter criteria were examined. Differences were evaluated by Fisher's exact and Mann-Whitney tests, random forests and logistic regression analysis. Results Nine (75%) CAJDM patients had anti-p155/140 (transcriptional intermediary factor 1), one (8.3%) anti-melanoma differentiation-associated gene 5 autoantibodies and two (16.7%) were myositis autoantibody negative. CAJDM patients were younger at diagnosis and frequently had mild disease at onset. CAJDM patients had less frequent myalgias, arthritis, contractures, calcinosis, dysphagia, abdominal pain and fatigue. The muscle, skeletal and overall clinical scores were lower in CAJDM. Serum muscle enzymes were less frequently increased in CAJDM, and peak values were lower. CAJDM patients received fewer medications compared with JDM patients. Only 50% of CAJDM patients received oral prednisone, but the maximum dose and treatment duration did not differ from JDM. At a median follow-up of 2.9 years, CAJDM patients had no documented functional disability, and none developed weakness, calcinosis, interstitial lung disease or lipodystrophy. Multivariable modelling revealed a lower skeletal score and less frequent myalgias as the most important factors in distinguishing CAJDM from JDM. Conclusion CAJDM may be distinguished from JDM, in that they often have p155/140 (transcriptional intermediary factor 1) autoantibodies, have fewer systemic manifestations and receive less therapy.
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Affiliation(s)
- Gulnara Mamyrova
- Division of Rheumatology, Department of Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC
| | - Takayuki Kishi
- Environmental Autoimmunity Group, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD
| | - Ira N Targoff
- Veteran’s Affairs Medical Center, University of Oklahoma Health Sciences Center, and Oklahoma Medical Research Foundation, Oklahoma City, OK
| | - Alison Ehrlich
- Department of Dermatology, George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Rodolfo V Curiel
- Division of Rheumatology, Department of Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC
| | - Lisa G Rider
- Division of Rheumatology, Department of Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC
- Environmental Autoimmunity Group, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD
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38
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Siegler BH, Uhle F, Lichtenstern C, Arens C, Bartkuhn M, Weigand MA, Weiterer S. Impact of human sepsis on CCCTC-binding factor associated monocyte transcriptional response of Major Histocompatibility Complex II components. PLoS One 2018; 13:e0204168. [PMID: 30212590 PMCID: PMC6136812 DOI: 10.1371/journal.pone.0204168] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 09/03/2018] [Indexed: 12/12/2022] Open
Abstract
Background Antigen presentation on monocyte surface to T-cells by Major Histocompatibility Complex, Class II (MHC-II) molecules is fundamental for pathogen recognition and efficient host response. Accordingly, loss of Major Histocompatibility Complex, Class II, DR (HLA-DR) surface expression indicates impaired monocyte functionality in patients suffering from sepsis-induced immunosuppression. Besides the impact of Class II Major Histocompatibility Complex Transactivator (CIITA) on MHC-II gene expression, X box-like (XL) sequences have been proposed as further regulatory elements. These elements are bound by the DNA-binding protein CCCTC-Binding Factor (CTCF), a superordinate modulator of gene transcription. Here, we hypothesized a differential interaction of CTCF with the MHC-II locus contributing to an altered monocyte response in immunocompromised septic patients. Methods We collected blood from six patients diagnosed with sepsis and six healthy controls. Flow cytometric analysis was used to identify sepsis-induced immune suppression, while inflammatory cytokine levels in blood were determined via ELISA. Isolation of CD14++ CD16—monocytes was followed by (i) RNA extraction for gene expression analysis and (ii) chromatin immunoprecipitation to assess the distribution of CTCF and chromatin modifications in selected MHC-II regions. Results Compared to healthy controls, CD14++ CD16—monocytes from septic patients with immune suppression displayed an increased binding of CTCF within the MHC-II locus combined with decreased transcription of CIITA gene. In detail, enhanced CTCF enrichment was detected on the intergenic sequence XL9 separating two subregions coding for MHC-II genes. Depending on the relative localisation to XL9, gene expression of both regions was differentially affected in patients with sepsis. Conclusion Our experiments demonstrate for the first time that differential CTCF binding at XL9 is accompanied by uncoupled MHC-II expression as well as transcriptional and epigenetic alterations of the MHC-II regulator CIITA in septic patients. Overall, our findings indicate a sepsis-induced enhancer blockade mediated by variation of CTCF at the intergenic sequence XL9 in altered monocytes during immunosuppression.
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Affiliation(s)
- Benedikt Hermann Siegler
- Department of Anesthesiology, Heidelberg University Hospital, Im Neuenheimer Feld 110, Heidelberg, Baden-Württemberg, Germany
| | - Florian Uhle
- Department of Anesthesiology, Heidelberg University Hospital, Im Neuenheimer Feld 110, Heidelberg, Baden-Württemberg, Germany
| | - Christoph Lichtenstern
- Department of Anesthesiology, Heidelberg University Hospital, Im Neuenheimer Feld 110, Heidelberg, Baden-Württemberg, Germany
| | - Christoph Arens
- Department of Anesthesiology, Heidelberg University Hospital, Im Neuenheimer Feld 110, Heidelberg, Baden-Württemberg, Germany
| | - Marek Bartkuhn
- Institute for Genetics, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 58–62, Giessen, Hessen, Germany
| | - Markus Alexander Weigand
- Department of Anesthesiology, Heidelberg University Hospital, Im Neuenheimer Feld 110, Heidelberg, Baden-Württemberg, Germany
| | - Sebastian Weiterer
- Department of Anesthesiology, Heidelberg University Hospital, Im Neuenheimer Feld 110, Heidelberg, Baden-Württemberg, Germany
- * E-mail:
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Wang Y, Yuan J, Dai D, Liu J, Xu J, Miao X, Wang H, Mao C, Xiao Y. Poly IC pretreatment suppresses B cell-mediated lupus-like autoimmunity through induction of Peli1. Acta Biochim Biophys Sin (Shanghai) 2018; 50:862-868. [PMID: 30032173 DOI: 10.1093/abbs/gmy082] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [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: 02/27/2018] [Indexed: 11/13/2022] Open
Abstract
Noncanonical NF-κB pathway is essential for the B cell activation and antibody production, which centralize the critical role of B cells in regulating the pathogenesis of systemic lupus erythematosus (SLE). We have previously demonstrated that Pellino1 (Peli1) negatively regulates noncanonical NF-κB activation and lupus autoimmunity. Here, we showed that poly IC is a potent inducer of Peli1 protein in mouse splenic B cells in dose- and time-dependent manners, and poly IC-induced Peli1 protein dramatically suppressed the activation of noncanonical NF-κB pathway. In addition, poly IC-pretreated B cells failed to induce lupus-like disease in BM12 CD4+ T cell-immunized mice. Accordingly, the induction of antibody-producing plasma cells and germinal center B cells, as well as the production of autoantibodies were significantly impaired in immunized μMT mice that were transferred with poly IC-pretreated B cells. Our findings demonstrate that poly IC-induced Peli1 negatively regulates the noncanonical NF-κB pathway in the context of restraining the pathogenesis of lupus-like disease.
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Affiliation(s)
- Yan Wang
- Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Jia Yuan
- Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Dongfang Dai
- Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Junli Liu
- Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Jing Xu
- Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Xiang Miao
- Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Huan Wang
- School of Pharmacy, Hebei Medical University, Shijiazhuang, China
| | - Chaoming Mao
- Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yichuan Xiao
- Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine and Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
- Department of Nuclear Medicine, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
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40
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Carreira PE, Carmona L, Joven BE, Loza E, Andreu JL, Riemekasten G, Vettori S, Balbir-Gurman A, Airò P, Walker UA, Damjanov N, Matucci-Cerinic M, Ananieva LP, Rednic S, Czirják L, Distler O, Farge D, Hesselstrand R, Corrado A, Caramaschi P, Tikly M, Allanore Y. Gender differences in early systemic sclerosis patients: a report from the EULAR scleroderma trials and research group (EUSTAR) database. Clin Exp Rheumatol 2018; 36 Suppl 113:68-75. [PMID: 30277860] [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] [Received: 04/21/2017] [Accepted: 03/09/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVES To describe differences in clinical presentation between men and women in a large group of patients with early (<3 years' duration) systemic sclerosis (SSc) according to disease subsets. METHODS A cross-sectional analysis of the prospective EULAR Scleroderma Trial and Research database (EUSTAR) was performed. Patients fulfilling preliminary ACR 1980 classification criteria for SSc, with less than 3 years from the first non-Raynaud's symptom at first entry, were selected. A group of patients with less than 3 years from the first SSc symptom, including Raynaud's phenomenon, was also analysed. SSc related variables, including antibodies, SSc subsets, disease activity and organ involvement were included. Descriptive and bivariate analyses were performed. RESULTS A total of 1,027 patients were included, 90% Caucasian, 80% women, and 40% with diffuse cutaneous disease. In early stages of SSc, men showed more frequently than women active disease, diffuse cutaneous subset, anti-Scl-70 antibodies, elevated acute phase reactants, muscular and pulmonary involvement. Differences between men and women were confirmed in the limited, but not in the diffuse SSc subset. The results were similar when 650 patients with less than three years from the first SSc symptom, including Raynaud's phenomenon, were analysed. CONCLUSIONS In early stages of SSc, men present signs and symptoms of more severe disease. In the limited disease subset, men might appear with clinical features and organ involvement similar to those of the diffuse subgroup. In clinical practice, the identification of such differences might help to select the appropriate management for each particular patient.
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MESH Headings
- Acute-Phase Proteins/analysis
- Autoantibodies/blood
- Biomarkers/blood
- Cross-Sectional Studies
- DNA Topoisomerases, Type I
- Databases, Factual
- Disease Progression
- Female
- Health Status Disparities
- Humans
- Lung Diseases/diagnosis
- Lung Diseases/etiology
- Male
- Nuclear Proteins/immunology
- Prognosis
- Raynaud Disease/diagnosis
- Raynaud Disease/etiology
- Risk Factors
- Scleroderma, Diffuse/blood
- Scleroderma, Diffuse/complications
- Scleroderma, Diffuse/diagnosis
- Scleroderma, Diffuse/immunology
- Scleroderma, Limited/blood
- Scleroderma, Limited/complications
- Scleroderma, Limited/diagnosis
- Scleroderma, Limited/immunology
- Severity of Illness Index
- Sex Factors
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Affiliation(s)
- Patricia E Carreira
- Servicio de Reumatología, Hospital Universitario 12 de Octubre, Universidad Complutense de Madrid, Spain.
| | | | - Beatriz E Joven
- Servicio de Reumatología, Hospital Universitario 12 de Octubre, Universidad Complutense de Madrid, Spain
| | | | - Jose Luis Andreu
- Servicio de Reumatología, Hospital Universitario Puerta de Hierro, Madrid, Spain
| | | | - Serena Vettori
- U.O.C. di Reumatologia, Dipartimento di Internistica Clinica e Sperimentale "F.Magrassi-A-Lanzara", Seconda Università degli Studi di Napoli, Italy
| | - Alexandra Balbir-Gurman
- B. Shine Rheumatology Unit, Rambam Health Care Campus and Rappaport Faculty of Medicine-Technion, Haifa, Israel
| | - Paolo Airò
- U.O. Reumatologia e Immunologia Clinica. Spedali Civili, Brescia, Italy
| | - Ulrich A Walker
- Rheumatologische Universitätsklinik, Felix Platter Spital, Basel, Switzerland
| | - Nemanja Damjanov
- University of Belgrade School of Medicine, Institute of Rheumatology Belgrade, Serbia
| | - Marco Matucci-Cerinic
- Division of Rheumatology, Department of Clinical and Experimental Medicine, University of Florence, Italy
| | - Lidia P Ananieva
- Institute of Rheumatology, Russian Academy of Medical Science, Moscow, Russia
| | - Simona Rednic
- Clinica Reumatologie, University of Medicine & Pharmacy 'Iuliu Hatieganu', Cluj-Napoca, Romania
| | - László Czirják
- Department of Immunology and Rheumatology, Faculty of Medicine, University of Pécs, Hungary
| | - Oliver Distler
- Department of Rheumatology, University Hospital Zürich, Switzerland
| | - Dominique Farge
- Department of Internal Medicine, Hopital Saint-Louis, Paris, France
| | | | - Ada Corrado
- U.O. Reumatologia-Università degli Studi di Foggia, Ospedale 'Col. D'Avanzo', Foggia, Italy
| | | | - Mohammed Tikly
- Rheumatology Unit, Department of Medicine Chris Hani Bardgwanath, Hospital and University of the Witwatersrand, Johannesburg, South Africa
| | - Yannick Allanore
- Rheumatology A Department, Cochin Hospital, APHP, Paris Descartes University, Paris, France
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Yang FM, Zuo Y, Zhou W, Xia C, Hahm B, Sullivan M, Cheng J, Chang HM, Yeh ET. sNASP inhibits TLR signaling to regulate immune response in sepsis. J Clin Invest 2018; 128:2459-2472. [PMID: 29733298 PMCID: PMC5983344 DOI: 10.1172/jci95720] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [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: 06/15/2017] [Accepted: 03/16/2018] [Indexed: 01/10/2023] Open
Abstract
Many Toll-like receptors (TLRs) signal through TNF receptor-associated factor 6 (TRAF6) to activate innate immune responses. Here, we show that somatic nuclear autoantigenic sperm protein (sNASP) binds to TRAF6 to prevent TRAF6 autoubiquitination in unstimulated macrophages. Following LPS stimulation, a complex consisting of sNASP, TRAF6, IRAK4, and casein kinase 2 (CK2) is formed. CK2 phosphorylates sNASP at serine 158, allowing sNASP to dissociate from TRAF6. Free TRAF6 is then autoubiquitinated, followed by activation of downstream signaling pathways. In sNasp S158A knockin (S158A-KI) mice, LPS-treated macrophages could not phosphorylate sNASP, which remained bound to TRAF6. S158A-KI mice were more susceptible to sepsis due to a marked reduction in IL-1β, TNF-α, and IFN-γ production accompanied by an inability to clear bacteria and recruit leukocytes. Furthermore, phosphorylation-regulated release of sNASP from TRAF6 is observed following activation of TLR-1, -2, -4, -5, and -6. Thus, sNASP is a negative regulator of TLR signaling to modulate the innate immune response.
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Affiliation(s)
- Feng-Ming Yang
- Center for Precision Medicine, Department of Medicine, University of Missouri, Columbia, Missouri, USA
| | - Yong Zuo
- Department of Biochemistry and Molecular Cell Biology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes & Related Genes, Shanghai Cancer Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei Zhou
- Department of Biochemistry and Molecular Cell Biology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes & Related Genes, Shanghai Cancer Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chuan Xia
- Departments of Surgery and Molecular Microbiology and Immunology, University of Missouri, Columbia, Missouri, USA
| | - Bumsuk Hahm
- Departments of Surgery and Molecular Microbiology and Immunology, University of Missouri, Columbia, Missouri, USA
| | - Mark Sullivan
- Department of Microbiology and Immunology, University of Rochester, School of Medicine and Dentistry, Rochester, New York, USA
| | - Jinke Cheng
- Department of Biochemistry and Molecular Cell Biology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes & Related Genes, Shanghai Cancer Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hui-Ming Chang
- Center for Precision Medicine, Department of Medicine, University of Missouri, Columbia, Missouri, USA
| | - Edward T.H. Yeh
- Center for Precision Medicine, Department of Medicine, University of Missouri, Columbia, Missouri, USA
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Liu Z, Tian B, Chen H, Wang P, Brasier AR, Zhou J. Discovery of potent and selective BRD4 inhibitors capable of blocking TLR3-induced acute airway inflammation. Eur J Med Chem 2018; 151:450-461. [PMID: 29649741 PMCID: PMC5924617 DOI: 10.1016/j.ejmech.2018.04.006] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [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: 01/25/2018] [Revised: 03/30/2018] [Accepted: 04/02/2018] [Indexed: 01/01/2023]
Abstract
A series of diverse small molecules have been designed and synthesized through structure-based drug design by taking advantage of fragment merging and elaboration approaches. Compounds ZL0420 (28) and ZL0454 (35) were identified as potent and selective BRD4 inhibitors with nanomolar binding affinities to bromodomains (BDs) of BRD4. Both of them can be well docked into the acetyl-lysine (KAc) binding pocket of BRD4, forming key interactions including the critical hydrogen bonds with Asn140 directly and Tyr97 indirectly via a H2O molecule. Both compounds 28 and 35 exhibited submicromolar potency of inhibiting the TLR3-dependent innate immune gene program, including ISG54, ISG56, IL-8, and Groβ genes in cultured human small airway epithelial cells (hSAECs). More importantly, they also demonstrated potent efficacy reducing airway inflammation in a mouse model with low toxicity, indicating a proof of concept that BRD4 inhibitors may offer the therapeutic potential to block the viral-induced airway inflammation.
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Affiliation(s)
- Zhiqing Liu
- Chemical Biology Program, Department of Pharmacology and Toxicology, Galveston, TX, 77555, USA
| | - Bing Tian
- Department of Internal Medicine, Galveston, TX, 77555, USA; Sealy Center for Molecular Medicine, Galveston, TX, 77555, USA
| | - Haiying Chen
- Chemical Biology Program, Department of Pharmacology and Toxicology, Galveston, TX, 77555, USA
| | - Pingyuan Wang
- Chemical Biology Program, Department of Pharmacology and Toxicology, Galveston, TX, 77555, USA
| | - Allan R Brasier
- Department of Internal Medicine, Galveston, TX, 77555, USA; Sealy Center for Molecular Medicine, Galveston, TX, 77555, USA; Institute for Translational Sciences, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - Jia Zhou
- Chemical Biology Program, Department of Pharmacology and Toxicology, Galveston, TX, 77555, USA; Sealy Center for Molecular Medicine, Galveston, TX, 77555, USA; Institute for Translational Sciences, University of Texas Medical Branch, Galveston, TX, 77555, USA.
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Altaner S, Yoruk Y, Tokatli F, Koçak Z, Tosun B, Guresci S, Kutlu K. The Correlation between TTF-1 Immunoreactivity and the Occurrence of Lymph Node Metastases in Patients with Lung Cancer. Tumori 2018; 92:323-6. [PMID: 17036524 DOI: 10.1177/030089160609200411] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aims and background Thyroid transcription factor (TTF-1) is a tissue-specific transcription factor expressed in the epithelial cells of thyroid and lung. The aim of this study was to evaluate the relationship between the expression of TTF-1 and clinicopathological parameters in pulmonary adenocarcinoma and adenosquamous carcinoma. Methods Resection material of pneumonectomies and lobectomies of 39 patients was retrospectively examined. Twenty-eight patients were diagnosed with adenocarcinoma and 11 with adenosquamous carcinoma. Tumors were classified into 3 groups: a strongly positive group (++) with ‡50% tumor cells positive for TTF-1; a weakly positive group (+) with 1–49% positive tumor cells; and a negative group (-) with less than 1% or no positive tumor cells. Analysis was performed with Kaplan-Meier estimates and log-rank tests. Results Staining for TTF-1 was negative in 10 cases. There was focal staining in 9 cases, while there was diffuse staining in 20 (51%) cases out of 39, and 15 (75%) of these were adenocarcinomas. There was a statistically significant association between TTF-1 and lymph node metastases (P = 0.029). No relationship was found between TTF-1 positivity and disease-free and overall survival. Conclusions TTF-1 expression may be a predictor of lymph node metastases. Additional work in a larger group of patients is needed to better assess the utility of this marker.
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Affiliation(s)
- Semsi Altaner
- Department of Pathology, Faculty of Medicine, Trakya University, Edirne, Turkey.
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Fujimoto M. [Dermatomyositis and Autoantibodies]. Brain Nerve 2018; 70:427-438. [PMID: 29632290 DOI: 10.11477/mf.1416201015] [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] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Recent studies have identified novel dermatomyositis-specific autoantibodies and revealed that disease-specific autoantibodies become positive at a high rate in this disease. Moreover, these autoantibodies have been demonstrated to show a strong correlation with distinct clinical manifestations and complications such as interstitial lung disease and malignancy. Thus, these autoantibodies are now recognized as useful tools to classify this varied disease into more homogeneous subsets. In this review, the clinical significance of five dermatomyositis-specific autoantibodies, anti-Mi-2, anti-MDA5, anti-TIF1, anti-NXP2, and anti-SAE, was described.
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Affiliation(s)
- Manabu Fujimoto
- Department of Dermatology, Faculty of Medicine, University of Tsukuba
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Abstract
Indices of mitotic potential may improve prognostic discrimination in patients with malignant disease. Ki-67 is a monoclonal antibody directed against an unknown proliferation antigen which has been shown to be a measure of mitotic potential. Sixty-four benign and eighty malignant prostatic biopsies were stained with the Ki-67 antibody. Nuclear and cytoplasmic staining was identified in benign and malignant biopsies using immunoalkaline phosphatase and immunoperoxidase staining reactions. Nuclear staining was identified in 14 benign and 44 malignant biopsies. Nuclear staining for Ki-67 was seen in 36% of biopsies with Gleason histological score (GHS) 2-4, 71% with GHS 5-7 and 62%> with GHS 8-10. Nuclear staining was associated with advanced local disease stage, but not with metastatic disease stage. Clinical follow-up is required to establish the value of Ki-67 immunostaining as a prognostic determinant in prostatic cancer.
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Affiliation(s)
- S N Lloyd
- Department of Urology, Western Infirmary, Glasgow, Scotland, UK
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Pavithiran A, Bathige SDNK, Kugapreethan R, Priyathilaka TT, Yang H, Kim MJ, Lee J. A comparative study of three akirin genes from big belly seahorse Hippocampus abdominalis: Molecular, transcriptional and functional characterization. Fish Shellfish Immunol 2018; 74:584-592. [PMID: 29355762 DOI: 10.1016/j.fsi.2018.01.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Revised: 12/26/2017] [Accepted: 01/15/2018] [Indexed: 06/07/2023]
Abstract
Akirins, members of the NF-κB signaling pathway, are highly conserved nuclear proteins, which regulate gene expression in many physiological processes, including immunity, myogenesis, carcinogenesis, and embryogenesis. The akirin family in teleost fish consists of two to three genes. In the present study, three akirin genes from Hippocampus abdominalis were identified from a transcriptome database and designated as HaAkirin1, HaAkirin2(1), and HaAkirin2(2). The nuclear localization of HaAkirin1 and HaAkirin2(1) was confirmed by subcellular localization analysis. In contrast, diffused localization of HaAkirin2(2) was identified in the nucleus and cytoplasm that confirmed the aberrant nature of the nuclear localization signal. Phylogenetic analysis revealed a closer relationship of HaAkirins with other known teleost akirins. All three HaAkirin transcripts were ubiquitously expressed in all examined tissues with higher expression in ovary tissue. Immune challenge with LPS, poly I:C, and Streptococcus iniae exhibited a significant increase in the expression of all three HaAkirins in kidney and liver tissues. NF-κB luciferase assays revealed that relative luciferase activity was significantly higher for all three HaAkirin genes than mock controls. These results suggest that HaAkirin genes might play a role in regulating NF-κB dependent immune gene expression and their expression could be induced by bacterial and viral pathogen recognition molecular patterns.
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Affiliation(s)
- Amirthalingam Pavithiran
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province 63333, Republic of Korea
| | - S D N K Bathige
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province 63243, Republic of Korea; Sri Lanka Institute of Nanotechnology (SLINTEC), Nanotechnology and Science Park, Mahenwatta, Pitipana, Homagama, Sri Lanka
| | - Roopasingam Kugapreethan
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province 63333, Republic of Korea
| | - Thanthrige Thiunuwan Priyathilaka
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province 63243, Republic of Korea
| | - Hyerim Yang
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province 63333, Republic of Korea
| | - Myoung-Jin Kim
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province 63333, Republic of Korea
| | - Jehee Lee
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province 63333, Republic of Korea.
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Hong CC, Sucheston-Campbell LE, Liu S, Hu Q, Yao S, Lunetta KL, Haddad SA, Ruiz-Narváez EA, Bensen JT, Cheng TYD, Bandera EV, Rosenberg LA, Haiman CA, Lee K, Evans SS, Abrams SI, Repasky EA, Olshan AF, Palmer JR, Ambrosone CB. Genetic Variants in Immune-Related Pathways and Breast Cancer Risk in African American Women in the AMBER Consortium. Cancer Epidemiol Biomarkers Prev 2018; 27:321-330. [PMID: 29339359 PMCID: PMC5835191 DOI: 10.1158/1055-9965.epi-17-0434] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [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: 05/18/2017] [Revised: 08/23/2017] [Accepted: 01/02/2018] [Indexed: 11/16/2022] Open
Abstract
Background: Constitutional immunity shaped by exposure to endemic infectious diseases and parasitic worms in Sub-Saharan Africa may play a role in the etiology of breast cancer among African American (AA) women.Methods: A total of 149,514 gene variants in 433 genes across 45 immune pathways were analyzed in the AMBER consortium among 3,663 breast cancer cases and 4,687 controls. Gene-based pathway analyses were conducted using the adaptive rank truncated product statistic for overall breast cancer risk, and risk by estrogen receptor (ER) status. Unconditional logistic regression analysis was used to estimate ORs and 95% confidence intervals (CIs) for single variants.Results: The top pathways were Interleukin binding (P = 0.01), Biocarta TNFR2 (P = 0.005), and positive regulation of cytokine production (P = 0.024) for overall, ER+, and ER- cancers, respectively. The most significant gene was IL2RB (P = 0.001) for overall cancer, with rs228952 being the top variant identified (OR = 0.85; 95% CI, 0.79-0.92). Only BCL3 contained a significant variant for ER+ breast cancer. Variants in IL2RB, TLR6, IL8, PRKDC, and MAP3K1 were associated with ER- disease. The only genes showing heterogeneity between ER- and ER+ cancers were TRAF1, MAP3K1, and MAPK3 (P ≤ 0.02). We also noted genes associated with autoimmune and atopic disorders.Conclusions: Findings from this study suggest that genetic variants in immune pathways are relevant to breast cancer susceptibility among AA women, both for ER+ and ER- breast cancers.Impact: Results from this study extend our understanding of how inherited genetic variation in immune pathways is relevant to breast cancer susceptibility. Cancer Epidemiol Biomarkers Prev; 27(3); 321-30. ©2018 AACR.
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Affiliation(s)
- Chi-Chen Hong
- Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, New York.
| | | | - Song Liu
- Department of Biostatistics and Bioinformatics, Roswell Park Cancer Institute, Buffalo, New York
| | - Qiang Hu
- Department of Biostatistics and Bioinformatics, Roswell Park Cancer Institute, Buffalo, New York
| | - Song Yao
- Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, New York
| | - Kathryn L Lunetta
- Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts
| | - Stephen A Haddad
- Slone Epidemiology Center at Boston University, Boston, Massachusetts
| | | | - Jeannette T Bensen
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Ting-Yuan David Cheng
- Department of Epidemiology, College of Public Health and Health Professions & College of Medicine, University of Florida, Gainsville, Florida
| | - Elisa V Bandera
- Cancer Prevention and Control, Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey
| | - Lynn A Rosenberg
- Slone Epidemiology Center at Boston University, Boston, Massachusetts
| | - Christopher A Haiman
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California/Norris Comprehensive Cancer Center, Los Angeles, California
| | - Kelvin Lee
- Department of Immunology, Roswell Park Cancer Institute, Buffalo, New York
| | - Sharon S Evans
- Department of Immunology, Roswell Park Cancer Institute, Buffalo, New York
| | - Scott I Abrams
- Department of Immunology, Roswell Park Cancer Institute, Buffalo, New York
| | | | - Andrew F Olshan
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Julie R Palmer
- Slone Epidemiology Center at Boston University, Boston, Massachusetts
| | - Christine B Ambrosone
- Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, New York
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Koh AS, Miller EL, Buenrostro JD, Moskowitz DM, Wang J, Greenleaf WJ, Chang HY, Crabtree GR. Rapid chromatin repression by Aire provides precise control of immune tolerance. Nat Immunol 2018; 19:162-172. [PMID: 29335648 PMCID: PMC6049828 DOI: 10.1038/s41590-017-0032-8] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 12/07/2017] [Indexed: 01/23/2023]
Abstract
Aire mediates the expression of tissue-specific antigens in thymic epithelial cells to promote tolerance against self-reactive T lymphocytes. However, the mechanism that allows expression of tissue-specific genes at levels that prevent harm is unknown. Here we show that Brg1 generates accessibility at tissue-specific loci to impose central tolerance. We found that Aire has an intrinsic repressive function that restricts chromatin accessibility and opposes Brg1 across the genome. Aire exerted this repressive influence within minutes after recruitment to chromatin and restrained the amplitude of active transcription. Disease-causing mutations that impair Aire-induced activation also impair the protein's repressive function, which indicates dual roles for Aire. Together, Brg1 and Aire fine-tune the expression of tissue-specific genes at levels that prevent toxicity yet promote immune tolerance.
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Affiliation(s)
- Andrew S Koh
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA.
- Center for Personal Dynamic Regulomes, Stanford University School of Medicine, Stanford, CA, USA.
- Howard Hughes Medical Institute, Chevy Chase, MD, USA.
| | - Erik L Miller
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
- Howard Hughes Medical Institute, Chevy Chase, MD, USA
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Jason D Buenrostro
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Harvard Society of Fellows, Harvard University, Cambridge, MA, USA
| | - David M Moskowitz
- Center for Personal Dynamic Regulomes, Stanford University School of Medicine, Stanford, CA, USA
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Jing Wang
- Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA, USA
| | - William J Greenleaf
- Center for Personal Dynamic Regulomes, Stanford University School of Medicine, Stanford, CA, USA
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
- Department of Applied Physics, Stanford University, Stanford, CA, USA
- Chan Zuckerburg Biohub, San Francisco, CA, USA
| | - Howard Y Chang
- Center for Personal Dynamic Regulomes, Stanford University School of Medicine, Stanford, CA, USA
| | - Gerald R Crabtree
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA.
- Center for Personal Dynamic Regulomes, Stanford University School of Medicine, Stanford, CA, USA.
- Howard Hughes Medical Institute, Chevy Chase, MD, USA.
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Rehage N, Davydova E, Conrad C, Behrens G, Maiser A, Stehklein JE, Brenner S, Klein J, Jeridi A, Hoffmann A, Lee E, Dianzani U, Willemsen R, Feederle R, Reiche K, Hackermüller J, Leonhardt H, Sharma S, Niessing D, Heissmeyer V. Binding of NUFIP2 to Roquin promotes recognition and regulation of ICOS mRNA. Nat Commun 2018; 9:299. [PMID: 29352114 PMCID: PMC5775257 DOI: 10.1038/s41467-017-02582-1] [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] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 12/12/2017] [Indexed: 12/02/2022] Open
Abstract
The ubiquitously expressed RNA-binding proteins Roquin-1 and Roquin-2 are essential for appropriate immune cell function and postnatal survival of mice. Roquin proteins repress target mRNAs by recognizing secondary structures in their 3'-UTRs and by inducing mRNA decay. However, it is unknown if other cellular proteins contribute to target control. To identify cofactors of Roquin, we used RNA interference to screen ~1500 genes involved in RNA-binding or mRNA degradation, and identified NUFIP2 as a cofactor of Roquin-induced mRNA decay. NUFIP2 binds directly and with high affinity to Roquin, which stabilizes NUFIP2 in cells. Post-transcriptional repression of human ICOS by endogenous Roquin proteins requires two neighboring non-canonical stem-loops in the ICOS 3'-UTR. This unconventional cis-element as well as another tandem loop known to confer Roquin-mediated regulation of the Ox40 3'-UTR, are bound cooperatively by Roquin and NUFIP2. NUFIP2 therefore emerges as a cofactor that contributes to mRNA target recognition by Roquin.
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Affiliation(s)
- Nina Rehage
- Institute for Immunology at the Biomedical Center, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 9, 82152, Planegg-Martinsried, Germany
- Research Unit Molecular Immune Regulation, Helmholtz Zentrum München, Marchioninistrasse 25, 81377, München, Germany
| | - Elena Davydova
- Group Intracellular Transport and RNA Biology, Institute of Structural Biology, Helmholtz Zentrum München, Ingolstädter Landstrasse 1, 85764, Neuherberg, Germany
| | - Christine Conrad
- Institute for Immunology at the Biomedical Center, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 9, 82152, Planegg-Martinsried, Germany
| | - Gesine Behrens
- Institute for Immunology at the Biomedical Center, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 9, 82152, Planegg-Martinsried, Germany
| | - Andreas Maiser
- Center for Integrated Protein Science at the Department of Biology, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 2, 82152, Planegg-Martinsried, Germany
| | - Jenny E Stehklein
- Research Unit Molecular Immune Regulation, Helmholtz Zentrum München, Marchioninistrasse 25, 81377, München, Germany
| | - Sven Brenner
- Research Unit Molecular Immune Regulation, Helmholtz Zentrum München, Marchioninistrasse 25, 81377, München, Germany
| | - Juliane Klein
- Institute for Immunology at the Biomedical Center, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 9, 82152, Planegg-Martinsried, Germany
| | - Aicha Jeridi
- Research Unit Molecular Immune Regulation, Helmholtz Zentrum München, Marchioninistrasse 25, 81377, München, Germany
| | - Anne Hoffmann
- Young Investigators Group Bioinformatics and Transcriptomics, Department Molecular Systems Biology, Helmholtz Centre for Environmental Research - UFZ, Permoserstraße 15, 04318, Leipzig, Germany
- Bioinformatics Group, Department of Computer Science; and Interdisciplinary Center of Bioinformatics, Leipzig University, Härtelstraße 16-18, 04107, Leipzig, Germany
| | - Eunhae Lee
- Division of Cell Biology, La Jolla Institute for Allergy and Immunology, 9420 Athena Circle, La Jolla, CA, 92037, USA
- The Functional Genomics Center, La Jolla Institute for Allergy and Immunology, 9420 Athena Circle, La Jolla, CA, 92037, USA
| | - Umberto Dianzani
- Department of Health Sciences, Universita' del Piemonte Orientale, via Solaroli 17, 28100, Novara, Italy
| | - Rob Willemsen
- CBG Department of Clinical Genetics, Erasmus MC, Wytemaweg 80, 3015 CN, Rotterdam, Netherlands
| | - Regina Feederle
- Monoclonal Antibody Core Facility and Research Group, Institute for Diabetes and Obesity, Helmholtz Zentrum München, Marchioninistrasse 25, 81377, München, Germany
| | - Kristin Reiche
- Bioinformatic Unit, Department of Diagnostics, Fraunhofer Institute for Cell Therapy and Immunology- IZI, 04103, Leipzig, Germany
| | - Jörg Hackermüller
- Young Investigators Group Bioinformatics and Transcriptomics, Department Molecular Systems Biology, Helmholtz Centre for Environmental Research - UFZ, Permoserstraße 15, 04318, Leipzig, Germany
| | - Heinrich Leonhardt
- Center for Integrated Protein Science at the Department of Biology, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 2, 82152, Planegg-Martinsried, Germany
| | - Sonia Sharma
- Division of Cell Biology, La Jolla Institute for Allergy and Immunology, 9420 Athena Circle, La Jolla, CA, 92037, USA.
- The Functional Genomics Center, La Jolla Institute for Allergy and Immunology, 9420 Athena Circle, La Jolla, CA, 92037, USA.
| | - Dierk Niessing
- Group Intracellular Transport and RNA Biology, Institute of Structural Biology, Helmholtz Zentrum München, Ingolstädter Landstrasse 1, 85764, Neuherberg, Germany.
- Department of Cell Biology at the Biomedical Center, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 9, 82152, Planegg-Martinsried, Germany.
- Institute of Pharmaceutical Biotechnology, Ulm University, James Franck Ring N27, 89081, Ulm, Germany.
| | - Vigo Heissmeyer
- Institute for Immunology at the Biomedical Center, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 9, 82152, Planegg-Martinsried, Germany.
- Research Unit Molecular Immune Regulation, Helmholtz Zentrum München, Marchioninistrasse 25, 81377, München, Germany.
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Gul E, Sayar EH, Gungor B, Eroglu FK, Surucu N, Keles S, Guner SN, Findik S, Alpdundar E, Ayanoglu IC, Kayaoglu B, Geckin BN, Sanli HA, Kahraman T, Yakicier C, Muftuoglu M, Oguz B, Cagdas Ayvaz DN, Gursel I, Ozen S, Reisli I, Gursel M. Type I IFN-related NETosis in ataxia telangiectasia and Artemis deficiency. J Allergy Clin Immunol 2017; 142:246-257. [PMID: 29155101 DOI: 10.1016/j.jaci.2017.10.030] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [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: 05/13/2017] [Revised: 09/30/2017] [Accepted: 10/18/2017] [Indexed: 01/02/2023]
Abstract
BACKGROUND Pathological inflammatory syndromes of unknown etiology are commonly observed in ataxia telangiectasia (AT) and Artemis deficiency. Similar inflammatory manifestations also exist in patients with STING-associated vasculopathy in infancy (SAVI). OBJECTIVE We sought to test the hypothesis that the inflammation-associated manifestations observed in patients with AT and Artemis deficiency stem from increased type I IFN signature leading to neutrophil-mediated pathological damage. METHODS Cytokine/protein signatures were determined by ELISA, cytometric bead array, or quantitative PCR. Stat1 phosphorylation levels were determined by flow cytometry. DNA species accumulating in the cytosol of patients' cells were quantified microscopically and flow cytometrically. Propensity of isolated polymorhonuclear granulocytes to form neutrophil extracellular traps (NETs) was determined using fluorescence microscopy and picogreen assay. Neutrophil reactive oxygen species levels and mitochondrial stress were assayed using fluorogenic probes, microscopy, and flow cytometry. RESULTS Type I and III IFN signatures were elevated in plasma and peripheral blood cells of patients with AT, Artemis deficiency, and SAVI. Chronic IFN production stemmed from the accumulation of DNA in the cytoplasm of AT and Artemis-deficient cells. Neutrophils isolated from patients spontaneously produced NETs and displayed indicators of oxidative and mitochondrial stress, supportive of their NETotic tendencies. A similar phenomenon was also observed in neutrophils from healthy controls exposed to patient plasma samples or exogeneous IFN-α. CONCLUSIONS Type I IFN-mediated neutrophil activation and NET formation may contribute to inflammatory manifestations observed in patients with AT, Artemis deficiency, and SAVI. Thus, neutrophils represent a promising target to manage inflammatory syndromes in diseases with active type I IFN signature.
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Affiliation(s)
- Ersin Gul
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
| | - Esra Hazar Sayar
- Department of Immunology and Allergy, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Bilgi Gungor
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
| | - Fehime Kara Eroglu
- Thorlab, Therapeutic Oligodeoxynucleotide Research Laboratory, Department of Molecular Biology and Genetics, Ihsan Dogramaci Bilkent University, Ankara, Turkey
| | - Naz Surucu
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
| | - Sevgi Keles
- Department of Immunology and Allergy, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Sukru Nail Guner
- Department of Immunology and Allergy, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Siddika Findik
- Department of Pathology, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Esin Alpdundar
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
| | - Ihsan Cihan Ayanoglu
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
| | - Basak Kayaoglu
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
| | - Busra Nur Geckin
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
| | - Hatice Asena Sanli
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
| | - Tamer Kahraman
- Thorlab, Therapeutic Oligodeoxynucleotide Research Laboratory, Department of Molecular Biology and Genetics, Ihsan Dogramaci Bilkent University, Ankara, Turkey
| | - Cengiz Yakicier
- Department of Molecular Biology and Genetics, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Meltem Muftuoglu
- Department of Molecular Biology and Genetics, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Berna Oguz
- Department of Radiology, Hacettepe University Medical Faculty, Ankara, Turkey
| | | | - Ihsan Gursel
- Thorlab, Therapeutic Oligodeoxynucleotide Research Laboratory, Department of Molecular Biology and Genetics, Ihsan Dogramaci Bilkent University, Ankara, Turkey
| | - Seza Ozen
- Department of Pediatric Rheumatology, Hacettepe University Medical Faculty, Ankara, Turkey
| | - Ismail Reisli
- Department of Immunology and Allergy, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Mayda Gursel
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey.
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