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Qin Y, Li Z, Liu T, Ma J, Liu H, Zhou Y, Wang S, Zhang L, Peng Q, Ye P, Duan N, Wang W, Wang X. Prevotella intermedia boosts OSCC progression through ISG15 upregulation: a new target for intervention. J Cancer Res Clin Oncol 2024; 150:206. [PMID: 38644421 PMCID: PMC11033248 DOI: 10.1007/s00432-024-05730-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 03/28/2024] [Indexed: 04/23/2024]
Abstract
PURPOSE Periodontitis-associated bacteria, such as Porphyromonas gingivalis and Fusobacterium nucleatum, are closely linked to the risk of oral squamous cell carcinoma (OSCC). Emerging studies have indicated that another common periodontal pathogen, Prevotella intermedia (P. intermedia), is enriched in OSCC and could affect the occurrence and progression of OSCC. Our aim is to determine the effects of P. intermedia on the progression of OSCC and the role of antibiotics in reversing these effects. METHODS In this study, a murine xenograft model of OSCC was established, and the mice were injected intratumorally with PBS (control group), P. intermedia (P.i group), or P. intermedia combined with an antibiotic cocktail administration (P.i + ABX group), respectively. The effects of P. intermedia and ABX administration on xenograft tumor growth, invasion, angiogenesis, and metastasis were investigated by tumor volume measurement and histopathological examination. Enzyme-linked immunosorbent assay (ELISA) was used to investigate the changes in serum cytokine levels. Immunohistochemistry (IHC) was adopted to analyze the alterations in the levels of inflammatory cytokines and infiltrated immune cells in OSCC tissues of xenograft tumors. Transcriptome sequencing and analysis were conducted to determine differential expression genes among various groups. RESULTS Compared with the control treatment, P. intermedia treatment significantly promoted tumor growth, invasion, angiogenesis, and metastasis, markedly affected the levels of inflammatory cytokines, and markedly altered M2 macrophages and regulatory T cells (Tregs) infiltration in the tumor microenvironment. However, ABX administration clearly abolished these effects of P. intermedia. Transcriptome and immunohistochemical analyses revealed that P. intermedia infection increased the expression of interferon-stimulated gene 15 (ISG15). Correlation analysis indicated that the expression level of ISG15 was positively correlated with the Ki67 expression level, microvessel density, serum concentrations and tissue expression levels of inflammatory cytokines, and quantities of infiltrated M2 macrophages and Tregs. However, it is negatively correlated with the quantities of infiltrated CD4+ and CD8+ T cells. CONCLUSION In conclusion, intratumoral P. intermedia infection aggravated OSCC progression, which may be achieved through upregulation of ISG15. This study sheds new light on the possible pathogenic mechanism of intratumoral P. intermedia in OSCC progression, which could be a prospective target for OSCC prevention and treatment.
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Affiliation(s)
- Yao Qin
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Zhiyuan Li
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Ting Liu
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Jingjing Ma
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Hong Liu
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Yifan Zhou
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Shuai Wang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Lei Zhang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Qiao Peng
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Pei Ye
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Ning Duan
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China
| | - Wenmei Wang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China.
| | - Xiang Wang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, 30 Zhongyang Road, Nanjing, 210008, China.
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Tecalco-Cruz AC, Zepeda-Cervantes J. Protein ISGylation: a posttranslational modification with implications for malignant neoplasms. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2023; 4:699-715. [PMID: 37711589 PMCID: PMC10497404 DOI: 10.37349/etat.2023.00162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/05/2023] [Indexed: 09/16/2023] Open
Abstract
Interferon (IFN)-stimulated gene 15 (ISG15) is a member of the ubiquitin-like (UBL) protein family that can modify specific proteins via a catalytic process called ISGylation. This posttranslational modification can modulate the stability of the ISGylated proteins and protein-protein interactions. Some proteins modified by ISG15 have been identified in malignant neoplasms, suggesting the functional relevance of ISGylation in cancer. This review discusses the ISGylated proteins reported in malignant neoplasms that suggest the potential of ISG15 as a biomarker and therapeutic target in cancer.
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Affiliation(s)
- Angeles C. Tecalco-Cruz
- Postgraduate in Genomic Sciences, Campus Del Valle, Autonomous University of Mexico City (UACM), CDMX 03100, Mexico
| | - Jesús Zepeda-Cervantes
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico (UNAM), CDMX 04510, Mexico
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3
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González-Amor M, Dorado B, Andrés V. Emerging roles of interferon-stimulated gene-15 in age-related telomere attrition, the DNA damage response, and cardiovascular disease. Front Cell Dev Biol 2023; 11:1128594. [PMID: 37025175 PMCID: PMC10071045 DOI: 10.3389/fcell.2023.1128594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 03/08/2023] [Indexed: 04/08/2023] Open
Abstract
Population aging and age-related cardiovascular disease (CVD) are becoming increasingly prevalent worldwide, generating a huge medical and socioeconomic burden. The complex regulation of aging and CVD and the interaction between these processes are crucially dependent on cellular stress responses. Interferon-stimulated gene-15 (ISG15) encodes a ubiquitin-like protein expressed in many vertebrate cell types that can be found both free and conjugated to lysine residues of target proteins via a post-translational process termed ISGylation. Deconjugation of ISG15 (deISGylation) is catalyzed by the ubiquitin-specific peptidase 18 (USP18). The ISG15 pathway has mostly been studied in the context of viral and bacterial infections and in cancer. This minireview summarizes current knowledge on the role of ISG15 in age-related telomere shortening, genomic instability, and DNA damage accumulation, as well as in hypertension, diabetes, and obesity, major CVD risk factors prevalent in the elderly population.
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Affiliation(s)
- María González-Amor
- CIBER Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
- Molecular and Genetic Cardiovascular Pathophysiology Laboratory, Novel Mechanisms of Atherosclerosis Program, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Beatriz Dorado
- CIBER Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
- Molecular and Genetic Cardiovascular Pathophysiology Laboratory, Novel Mechanisms of Atherosclerosis Program, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Vicente Andrés
- CIBER Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
- Molecular and Genetic Cardiovascular Pathophysiology Laboratory, Novel Mechanisms of Atherosclerosis Program, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- *Correspondence: Vicente Andrés,
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González-Amor M, García-Redondo AB, Jorge I, Zalba G, Becares M, Ruiz-Rodríguez MJ, Rodríguez C, Bermeo H, Rodrigues-Díez R, Rios FJ, Montezano AC, Martínez-González J, Vázquez J, Redondo JM, Touyz RM, Guerra S, Salaices M, Briones AM. Interferon-stimulated gene 15 pathway is a novel mediator of endothelial dysfunction and aneurysms development in angiotensin II infused mice through increased oxidative stress. Cardiovasc Res 2021; 118:3250-3268. [PMID: 34672341 PMCID: PMC9799052 DOI: 10.1093/cvr/cvab321] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 09/06/2021] [Accepted: 10/18/2021] [Indexed: 01/25/2023] Open
Abstract
AIMS Interferon-stimulated gene 15 (ISG15) encodes a ubiquitin-like protein that induces a reversible post-translational modification (ISGylation) and can also be secreted as a free form. ISG15 plays an essential role as host-defence response to microbial infection; however, its contribution to vascular damage associated with hypertension is unknown. METHODS AND RESULTS Bioinformatics identified ISG15 as a mediator of hypertension-associated vascular damage. ISG15 expression positively correlated with systolic and diastolic blood pressure and carotid intima-media thickness in human peripheral blood mononuclear cells. Consistently, Isg15 expression was enhanced in aorta from hypertension models and in angiotensin II (AngII)-treated vascular cells and macrophages. Proteomics revealed differential expression of proteins implicated in cardiovascular function, extracellular matrix and remodelling, and vascular redox state in aorta from AngII-infused ISG15-/- mice. Moreover, ISG15-/- mice were protected against AngII-induced hypertension, vascular stiffness, elastin remodelling, endothelial dysfunction, and expression of inflammatory and oxidative stress markers. Conversely, mice with excessive ISGylation (USP18C61A) show enhanced AngII-induced hypertension, vascular fibrosis, inflammation and reactive oxygen species (ROS) generation along with elastin breaks, aortic dilation, and rupture. Accordingly, human and murine abdominal aortic aneurysms showed augmented ISG15 expression. Mechanistically, ISG15 induces vascular ROS production, while antioxidant treatment prevented ISG15-induced endothelial dysfunction and vascular remodelling. CONCLUSION ISG15 is a novel mediator of vascular damage in hypertension through oxidative stress and inflammation.
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Affiliation(s)
| | - Ana B García-Redondo
- Present address. Departamento de Fisiología, Instituto de Investigación Hospital La Paz, Universidad Autónoma de Madrid, Madrid, Spain. This manuscript was handled by Deputy Editor Dr David G. Harrison
| | - Inmaculada Jorge
- CIBER de Enfermedades Cardiovasculares, ISCIII, Spain,Laboratorio de Proteómica Cardiovascular, Centro Nacional de Investigaciones Cardiovasculares, C. Melchor Fernández Almagro, 3, 28029 Madrid, Spain
| | - Guillermo Zalba
- Departamento de Bioquímica y Genética, Instituto de Investigación Sanitaria de Navarra, Facultad de Ciencias, Universidad de Navarra, C/ Irunlarrea, 1, Pamplona 31008 Navarra, Spain
| | - Martina Becares
- Departamento de Medicina Preventiva y Microbiología, Instituto de Investigación Hospital La Paz, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, 28029 Madrid, Spain
| | - María J Ruiz-Rodríguez
- CIBER de Enfermedades Cardiovasculares, ISCIII, Spain,Grupo de Regulación Génica en Remodelado Cardiovascular e Inflamación, Centro Nacional de Investigaciones Cardiovasculares, C. Melchor Fernández Almagro, 3, 28029 Madrid, Spain
| | - Cristina Rodríguez
- CIBER de Enfermedades Cardiovasculares, ISCIII, Spain,Institut de Recerca Hospital de la Santa Creu i Sant Pau, C/ Sant Quintí, 77, 08041 Barcelona, Spain,Instituto de Investigación Biomédica Sant Pau, Barcelona, Spain
| | - Hugo Bermeo
- Departamento de Farmacología, Instituto de Investigación Hospital La Paz, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, 28029 Madrid, Spain
| | - Raquel Rodrigues-Díez
- Departamento de Farmacología, Instituto de Investigación Hospital La Paz, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, 28029 Madrid, Spain,CIBER de Enfermedades Cardiovasculares, ISCIII, Spain
| | - Francisco J Rios
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place Glasgow G12 8TA, Glasgow, UK
| | - Augusto C Montezano
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place Glasgow G12 8TA, Glasgow, UK
| | - Jose Martínez-González
- CIBER de Enfermedades Cardiovasculares, ISCIII, Spain,Instituto de Investigación Biomédica Sant Pau, Barcelona, Spain,Instituto de Investigaciones Biomédicas de Barcelona-Consejo Superior de Investigaciones Científicas (IIBB-CSIC), C/ Rosselló, 161, 08036, Barcelona, Spain,Instituto de Investigación Biomédica Sant Pau, Barcelona, Spain
| | - Jesús Vázquez
- CIBER de Enfermedades Cardiovasculares, ISCIII, Spain,Laboratorio de Proteómica Cardiovascular, Centro Nacional de Investigaciones Cardiovasculares, C. Melchor Fernández Almagro, 3, 28029 Madrid, Spain
| | - Juan Miguel Redondo
- CIBER de Enfermedades Cardiovasculares, ISCIII, Spain,Grupo de Regulación Génica en Remodelado Cardiovascular e Inflamación, Centro Nacional de Investigaciones Cardiovasculares, C. Melchor Fernández Almagro, 3, 28029 Madrid, Spain
| | - Rhian M Touyz
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place Glasgow G12 8TA, Glasgow, UK
| | - Susana Guerra
- Departamento de Medicina Preventiva y Microbiología, Instituto de Investigación Hospital La Paz, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, 28029 Madrid, Spain
| | - Mercedes Salaices
- Departamento de Farmacología, Instituto de Investigación Hospital La Paz, Universidad Autónoma de Madrid, C/Arzobispo Morcillo 4, 28029 Madrid, Spain,CIBER de Enfermedades Cardiovasculares, ISCIII, Spain
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Narovlyansky AN, Poloskov VV, Ivanova AM, Mezentseva MV, Suetina IA, Russu LI, Chelarskaya ES, Izmest'eva AV, Ospelnikova TP, Zubashev IK, Sarymsakov AA, Ershov FI. [Interferon-regulating activity of the CelAgrip drug and its influence on the formation of reactive oxygen species and expression of innate immunity genes in Burkitt's lymphome cells cultures.]. Vopr Virusol 2021; 65:87-94. [PMID: 32515564 DOI: 10.36233/0507-4088-2020-65-2-87-94] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 03/31/2020] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Interferons (IFN) and IFN inducers are effective in suppressing viral reproduction and correcting of the innate immunity mechanisms. The aim of the study was to test the hypothesis of the possible involvement of the IFN inducer CelAgrip (CA) as an activator or suppressor of antiviral effects in Burkitt's lymphoma (LB) cell cultures with different ability to produce Epstein-Barr virus antigens (EBV). MATERIAL AND METHODS The kinetic analysis of the dynamics of reactive oxygen species (ROS) production and determination of gene group expression by real-time PCR in response to CA treatment were done in human cell lines LB P3HR-1 and Namalva, spontaneously producing and not producing EBV antigens. RESULTS AND DISCUSSION When treating CA in Namalva cells, a decrease in the ROS activation index was found; in P3HR-1 cells, an increase was observed. After treatment with CA, there was no reliable activation of the IFN-α, IFN-β and IFN-λ genes in Namalva cells, but the expression of the ISG15 and P53(TP53) genes was increased more than 1200 times and 4.5 times, respectively. When processing the CA of P3HR-1 cells, the expression of IFN-α genes increased by more than 200 times, IFN-λ - 100 times, and the ISG15 gene - 2.2 times. The relationship between IFN-inducing action of CA and the activity of ISG15 and ROS in LB cell cultures producing and not producing EBV antigens is supposed. CONCLUSION In Namalva cells that do not produce EBV antigens the treatment of CA results in suppression of ROS generation and activation of the expression of genes ISG15 and P53 (TP53); in P3HR-1 cells producing EBV antigens, the opposite picture is observed - the formation of ROS and the expression of the IFN-α and IFN-λ genes are activated and the activity of the ISG15 and P53 (TP53) genes is suppressed.
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Affiliation(s)
- A N Narovlyansky
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
| | - V V Poloskov
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
| | - A M Ivanova
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
| | - M V Mezentseva
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
| | - I A Suetina
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
| | - L I Russu
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
| | - E S Chelarskaya
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
| | - A V Izmest'eva
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
| | - T P Ospelnikova
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
| | - I K Zubashev
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
| | - A A Sarymsakov
- Institute of Polymer Chemystry and Physics, Tashkent, 100128, Uzbekistan
| | - F I Ershov
- National Research Centre for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya, Moscow, 123098, Russia
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Tecalco-Cruz AC. Molecular Pathways of Interferon-Stimulated Gene 15: Implications in Cancer. Curr Protein Pept Sci 2021; 22:19-28. [DOI: 10.2174/1389203721999201208200747] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/18/2020] [Accepted: 11/02/2020] [Indexed: 12/20/2022]
Abstract
Human interferon-stimulated gene 15 (ISG15) is a 15-kDa ubiquitin-like protein that
can be detected as either free ISG15 or covalently associated with its target proteins through a process
termed ISGylation. Interestingly, extracellular free ISG15 has been proposed as a cytokinelike
protein, whereas ISGylation is a posttranslational modification. ISG15 is a small protein with
implications in some biological processes and pathologies that include cancer. This review highlights
the findings of both free ISG15 and protein ISGylation involved in several molecular pathways,
emerging as central elements in some cancer types.
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Affiliation(s)
- Angeles C. Tecalco-Cruz
- Programa en Ciencias Genomicas, Universidad Autonoma de la Ciudad de Mexico (UACM), Apdo. Postal 03100, Ciudad de Mexico, Mexico
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Lertsooksawat W, Wongnoppavich A, Chairatvit K. Up-regulation of interferon-stimulated gene 15 and its conjugation machinery, UbE1L and UbcH8 expression by tumor necrosis factor-α through p38 MAPK and JNK signaling pathways in human lung carcinoma. Mol Cell Biochem 2019; 462:51-59. [PMID: 31428903 DOI: 10.1007/s11010-019-03609-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Accepted: 08/10/2019] [Indexed: 11/30/2022]
Abstract
Interferon-stimulated gene 15 (ISG15) is a member of the family of ubiquitin-like proteins. Similar to ubiquitin, conjugation of ISG15 to cellular proteins requires cascade reactions catalyzed by at least 2 enzymes, UbE1L and UbcH8. Expression of ISG15 and its conjugates is up-regulated in many cancer cells, yet the underlying mechanism of up-regulation is still unclear. In this study, we showed that TNF-α, similar to the response by IFN-β, could directly induce expression of ISG15 and its conjugation machinery, UbE1L and UbcH8, in human lung carcinoma, A549. The early response of their expression was effectively blocked by specific inhibitors of p38 MAPK (SB202190) and JNK (SP600125), but not by B18R, a soluble type-I IFN receptor. In addition, luciferase reporter assay together with serial deletions and site-directed mutagenesis identified a putative C/EBPβ binding element in the ISG15 promoter, which is necessary to the response by TNF-α. Taken together, expression of ISG15 and ISG15 conjugation machinery in cancer cells is directly up-regulated by TNF-α via p38 MAPK and JNK pathways through the activation of C/EBPβ binding element in the ISG15 promoter. This study provides a new insight toward understanding the molecular mechanism of ISG15 system and inflammatory response in cancer progression.
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Affiliation(s)
- Wannee Lertsooksawat
- Department of Oral Biology, Faculty of Dentistry, Mahidol University, Bangkok, 10400, Thailand.,Department of Pharmacology, Faculty of Dentistry, Mahidol University, Bangkok, 10400, Thailand
| | - Ariyaphong Wongnoppavich
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.
| | - Kongthawat Chairatvit
- Department of Oral Biology, Faculty of Dentistry, Mahidol University, Bangkok, 10400, Thailand.
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Roos A, Preusse C, Hathazi D, Goebel HH, Stenzel W. Proteomic Profiling Unravels a Key Role of Specific Macrophage Subtypes in Sporadic Inclusion Body Myositis. Front Immunol 2019; 10:1040. [PMID: 31143183 PMCID: PMC6522546 DOI: 10.3389/fimmu.2019.01040] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Accepted: 04/23/2019] [Indexed: 12/14/2022] Open
Abstract
Unbiased proteomic profiling was performed toward the identification of biological parameters relevant in sIBM, thus giving hints about the pathophysiological processes and the existence of new reliable markers. For that purpose, skeletal muscle biopsies from 13 sIBM and 7 non-diseased control patients were analyzed with various methods, including liquid chromatography coupled to tandem mass spectrometry (four patients). Subsequent data analysis identified key molecules further studied in a larger cohort by qPCR, immunostaining, and immunofluorescence in situ. Proteomic signature of muscle biopsies derived from sIBM patients revealed the chaperone and cell surface marker CD74, the macrophage scavenger molecule CD163 and the transcription activator STAT1 to be among the highly and relevantly expressed proteins suggesting a significant contribution of immune cells among the myofibers expressing these markers. Moreover, in silico studies showed that 39% of upregulated proteins were involved in type I or mixed type I and type II interferon immunity. Indeed, further studies via immunohistochemistry clearly confirmed the prominent involvement of the key type I interferon signature-related molecules, ISG15 as well as IRF8 with MHC class II+ myofibers. Siglec1 colocalized with CD163+ macrophages and MHC class II molecules also co-localized with CD74 on macrophages. STAT1 co-localized with Siglec1+ macrophages in active myofibre myophagocytosis while STAT6 colocalized with endomysial macrophages. These combined results show involvement of CD74, CD163, and STAT1 as key molecules of macrophage activation being crucially involved in mixed and specific type I interferon, and interferon gamma associated-pathways in sIBM. On a more general note, these results also highlight the type of immune-interaction between macrophages and myofibers in the etiopathology of sIBM.
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Affiliation(s)
- Andreas Roos
- Department of Neuropediatrics, Developmental Neurology and Social Pediatrics, Centre for Neuromuscular Disorders in Children, University Children's Hospital Essen, University of Duisburg-Essen, Essen, Germany.,Leibniz-Institut für Analytische Wissenschaften -ISAS- e.V., Dortmund, Germany
| | - Corinna Preusse
- Department of Neuropathology, Charité -Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Denisa Hathazi
- Leibniz-Institut für Analytische Wissenschaften -ISAS- e.V., Dortmund, Germany
| | - Hans-Hilmar Goebel
- Department of Neuropathology, Charité -Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Werner Stenzel
- Department of Neuropathology, Charité -Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Leibniz Science Campus Chronic Inflammation, Berlin, Germany
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Pouyfung P, Choonate S, Wongnoppavich A, Rongnoparut P, Chairatvit K. Anti-proliferative effect of 8α-tigloyloxyhirsutinolide-13-O-acetate (8αTGH) isolated from Vernonia cinerea on oral squamous cell carcinoma through inhibition of STAT3 and STAT2 phosphorylation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2019; 52:238-246. [PMID: 30599904 DOI: 10.1016/j.phymed.2018.09.211] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 08/23/2018] [Accepted: 09/25/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND The high mortality rate of oral cancers has stimulated the search for effective herbal medicines and their pharmacological targets. Vernonia cinerea, a perennial tropical herb, is wildly used as a traditional folk medicine for treatment of intestinal diseases and various skin diseases in addition to possessing anti-cancer activity. However, the effect of 8α-tigloyloxyhirsutinolide-13-O-acetate (8αTGH) as a major sesquiterpene lactone compound found in V. cinerea and the underlying mechanism of its action on oral cancer cells remains unknown. PURPOSE To investigate the anti-cancer activity of 8αTGH extracted from V. cinerea and the underlying mechanism of its action in oral cancer cells. METHODS The anti-proliferative effect of 8αTGH on oral squamous cell carcinoma (HSC4) and lung carcinoma (A549) was determined using the SRB colorimetric method. The molecular mechanism of 8αTGH was explored using kinase inhibitors, followed by Western blotting or RT-qPCR. Flow cytometry and Western blotting were used to assess cell cycle arrest. RESULTS 8αTGH inhibited cancer cell growth more effectively on HSC4 than A549 and was much less effective on tested normal oral cells. 8αTGH inhibited STAT3 phosphorylation on both cancer cells. Notably, 8αTGH was able to suppress the constantly activated STAT2 found only in HSC4. The STAT2 inhibition by 8αTGH consequently caused down-regulation of ISG15 and ISG15 conjugates. As a result, decreased expression of CDK1/2 and Cyclin B1 was detected leading to G2/M cell cycle arrest. CONCLUSION 8αTGH isolated from V. cinerea preferentially inhibits the proliferation of oral cancer cells by causing G2/M cell cycle arrest via inhibition of both STAT3 and STAT2 phosphorylation. The results provide molecular bases for developing 8αTGH as a drug candidate or a complementary treatment of oral cancer.
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Affiliation(s)
- Phisit Pouyfung
- Department of Biochemistry, Faculty of Science, Mahidol University, Ratchathewi, Bangkok 10400, Thailand
| | - Sirinthip Choonate
- Department of Oral Biology, Faculty of Dentistry, Mahidol University, Ratchathevi, Bangkok 10400, Thailand
| | - Ariyaphong Wongnoppavich
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Pornpimol Rongnoparut
- Department of Biochemistry, Faculty of Science, Mahidol University, Ratchathewi, Bangkok 10400, Thailand
| | - Kongthawat Chairatvit
- Department of Oral Biology, Faculty of Dentistry, Mahidol University, Ratchathevi, Bangkok 10400, Thailand.
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10
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Liu F, Wang H, Du L, Wei Z, Zhang Q, Feng WH. MicroRNA-30c targets the interferon-alpha/beta receptor beta chain to promote type 2 PRRSV infection. J Gen Virol 2018; 99:1671-1680. [PMID: 30382935 DOI: 10.1099/jgv.0.001166] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Porcine reproductive and respiratory syndrome (PRRS) is one of the most important diseases in pigs. MicroRNAs (miRNAs) have emerged as an important regulator of virus-host cell interactions and miR-30c has been found to facilitate PRRSV replication. Here, we found that the interferon-alpha/beta receptor beta chain (IFNAR2) was down-regulated, while miR-30c was up-regulated during HV (a highly pathogenic type 2 PRRSV strain) and CH-1a (a classic type 2 PRRSV strain) infection. Subsequently, using bioinformatics analysis, we predicted that the IFNAR2 was targeted by miR-30c. A luciferase assay verified that the 3' UTR of IFNAR2 was targeted by miR-30c, as a mutation on either the target sequence or the miR-30c seed sequence reversed the luciferase activity. In addition, miR-30c and IFNAR2 mRNA were physically co-localized in RNA-induced silencing complex (RISC). Importantly, we showed that miR-30c also impaired the induction of IFN-stimulated genes (ISGs) by targeting IFNAR2. Our findings further reveal the mechanism of miR-30c promoting PRRSV replication.
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Affiliation(s)
- Fang Liu
- 1State Key Laboratory of Agrobiotechnology and Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China.,2Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China
| | - Honglei Wang
- 1State Key Laboratory of Agrobiotechnology and Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China.,2Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China
| | - Li Du
- 1State Key Laboratory of Agrobiotechnology and Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China.,2Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China
| | - Zeyu Wei
- 1State Key Laboratory of Agrobiotechnology and Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China.,2Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China
| | - Qiong Zhang
- 1State Key Laboratory of Agrobiotechnology and Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China.,2Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China
| | - Wen-Hai Feng
- 2Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China.,1State Key Laboratory of Agrobiotechnology and Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Biological Sciences, China Agricultural University, Beijing 100193, PR China
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11
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Hollingsworth J, Lau A, Tone A, Kollara A, Allen L, Colgan TJ, Dube V, Rosen B, Murphy KJ, Greenblatt EM, Feigenberg T, Virtanen C, Brown TJ. BRCA1 Mutation Status and Follicular Fluid Exposure Alters NFκB Signaling and ISGylation in Human Fallopian Tube Epithelial Cells. Neoplasia 2018; 20:697-709. [PMID: 29852322 PMCID: PMC6030391 DOI: 10.1016/j.neo.2018.05.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 05/07/2018] [Accepted: 05/11/2018] [Indexed: 12/31/2022] Open
Abstract
Germline BRCA1 or BRCA2 mutations (mtBRCA1 and mtBRCA2) increase risk for high-grade serous ovarian cancer (HGSOC), the most commonly diagnosed epithelial ovarian cancer histotype. Other identified risk factors for this cancer, which originates primarily in the distal fallopian tube epithelium (FTE), implicate ovulation, during which the FTE cells become transiently exposed to follicular fluid (FF). To test whether mtBRCA1 or mtBRCA2 nonmalignant FTE cells respond differently to periovulatory FF exposure than control patient FTE cells, gene expression profiles from primary FTE cultures derived from BRCA1 or BRCA2 mutation carriers or control patients were compared at baseline, 24 hours after FF exposure, and 24 hours after FF replacement with culture medium. Hierarchical clustering revealed both FF exposure and BRCA mutation status affect gene expression, with BRCA1 mutation having the greatest impact. Gene set enrichment analysis revealed increased NFκB and EGFR signaling at baseline in mtBRCA1 samples, with increased interferon target gene expression, including members of the ISGylation pathway, observed after recovery from FF exposure. Gene set enrichment analysis did not identify altered pathway signaling in mtBRCA2 samples. An inverse relationship between EGFR signaling and ISGylation with BRCA1 protein levels was verified in an immortalized FTE cell line, OE-E6/E7, stably transfected with BRCA1 cDNA. Suppression of ISG15 and ISGylated protein levels by increased BRCA1 expression was found to be mediated by decreased NFκB signaling. These studies indicate that increased NFκB signaling associated with decreased BRCA1 expression results in increased ISG15 and protein ISGylation following FF exposure, which may be involved in predisposition to HGSOC.
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Affiliation(s)
- Julia Hollingsworth
- The Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, ON; Institute of Medical Sciences, University of Toronto, Toronto, ON; Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON
| | - Angela Lau
- The Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, ON; Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON; Department of Physiology, University of Toronto, Toronto, ON
| | - Alicia Tone
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON; Division of Gynecologic Oncology, Princess Margaret Cancer Centre, Toronto, ON
| | - Alexandra Kollara
- The Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, ON; Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON
| | - Lisa Allen
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON
| | - Terence J Colgan
- The Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, ON; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON; Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, ON
| | - Valerie Dube
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON; Department of Pathology, Women's College Hospital, Toronto, ON
| | - Barry Rosen
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON; Division of Gynecologic Oncology, Princess Margaret Cancer Centre, Toronto, ON
| | - K Joan Murphy
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON; Division of Gynecologic Oncology, Princess Margaret Cancer Centre, Toronto, ON
| | - Ellen M Greenblatt
- The Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, ON; Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON
| | - Tomer Feigenberg
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON; Division of Gynecologic Oncology, Princess Margaret Cancer Centre, Toronto, ON
| | | | - Theodore J Brown
- The Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, ON; Institute of Medical Sciences, University of Toronto, Toronto, ON; Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON; Department of Physiology, University of Toronto, Toronto, ON.
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12
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Villarroya-Beltri C, Guerra S, Sánchez-Madrid F. ISGylation - a key to lock the cell gates for preventing the spread of threats. J Cell Sci 2017; 130:2961-2969. [PMID: 28842471 DOI: 10.1242/jcs.205468] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Interferon stimulated gene 15 (ISG15) is an ubiquitin-like protein whose expression and conjugation to targets (ISGylation) is induced by infection, interferon (IFN)-α and -β, ischemia, DNA damage and aging. Attention has historically focused on the antiviral effects of ISGylation, which blocks the entry, replication or release of different intracellular pathogens. However, recently, new functions of ISGylation have emerged that implicate it in multiple cellular processes, such as DNA repair, autophagy, protein translation and exosome secretion. In this Review, we discuss the induction and conjugation of ISG15, as well as the functions of ISGylation in the prevention of infections and in cancer progression. We also offer a novel perspective with regard to the latest findings on this pathway, with special attention to the role of ISGylation in the inhibition of exosome secretion, which is mediated by fusion of multivesicular bodies with lysosomes. Finally, we propose that under conditions of stress or infection, ISGylation acts as a defense mechanism to inhibit normal protein translation by modifying protein kinase R (PKR, also known as EIF2AK2), while any newly synthesized proteins are being tagged and thus marked as potentially dangerous. Then, the endosomal system is re-directed towards protein degradation at the lysosome, to effectively 'lock' the cell gates and thus prevent the spread of pathogens, prions and deleterious aggregates through exosomes.
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Affiliation(s)
- Carolina Villarroya-Beltri
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain.,Immunology Service, Hospital de la Princesa, Universidad Autónoma de Madrid, 28006 Madrid, Spain.,CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Susana Guerra
- Preventive Medicine Department, Facultad de Medicina, Universidad Autónoma de Madrid, 28029 Madrid, Spain
| | - Francisco Sánchez-Madrid
- Vascular Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain .,Immunology Service, Hospital de la Princesa, Universidad Autónoma de Madrid, 28006 Madrid, Spain.,CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain
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13
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Radoshevich L, Impens F, Ribet D, Quereda JJ, Nam Tham T, Nahori MA, Bierne H, Dussurget O, Pizarro-Cerdá J, Knobeloch KP, Cossart P. ISG15 counteracts Listeria monocytogenes infection. eLife 2015; 4. [PMID: 26259872 PMCID: PMC4530601 DOI: 10.7554/elife.06848] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 07/15/2015] [Indexed: 12/12/2022] Open
Abstract
ISG15 is an interferon-stimulated, linear di-ubiquitin-like protein, with anti-viral activity. The role of ISG15 during bacterial infection remains elusive. We show that ISG15 expression in nonphagocytic cells is dramatically induced upon Listeria infection. Surprisingly this induction can be type I interferon independent and depends on the cytosolic surveillance pathway, which senses bacterial DNA and signals through STING, TBK1, IRF3 and IRF7. Most importantly, we observed that ISG15 expression restricts Listeria infection in vitro and in vivo. We made use of stable isotope labeling in tissue culture (SILAC) to identify ISGylated proteins that could be responsible for the protective effect. Strikingly, infection or overexpression of ISG15 leads to ISGylation of ER and Golgi proteins, which correlates with increased secretion of cytokines known to counteract infection. Together, our data reveal a previously uncharacterized ISG15-dependent restriction of Listeria infection, reinforcing the view that ISG15 is a key component of the innate immune response. DOI:http://dx.doi.org/10.7554/eLife.06848.001 Listeria monocytogenes is a bacterium that can cause serious food poisoning in humans. Infections with this bacterium can be particularly dangerous to young children, pregnant women, the elderly, and individuals with weakened immune systems because they are more susceptible to developing serious complications that can sometimes lead to death. The bacteria infect cells in the lining of the human gut. Cells that detect the bacteria respond by producing proteins called interferons and other signaling proteins that activate the body's immune system to fight the infection. One of the genes that the interferons activate encodes a protein called ISG15, which helps to defend the body against viruses. However, it is not clear what role ISG15 plays in fighting bacterial infections. Here, Radoshevich et al. studied the role of ISG15 in human cells exposed to L. monocytogenes. The experiments show that ISG15 levels increase in the cells, but that the initial increase does not depend on Interferon proteins. Instead, ISG15 production is triggered by an alternative pathway called the cytosolic surveillance pathway, which is activated by the presence of bacterial DNA inside the cell. Further experiments found that ISG15 can counteract the infections of L. monocytogenes both in cells grown in cultures and in living mice. ISG15 modifies other proteins in the cell to promote the release of proteins called cytokines that help the body to eliminate the bacteria. Radoshevich et al.'s findings reveal a new role for ISG15 in fighting bacterial infections. A future challenge will be to understand the molecular details of how ISG15 triggers the release of cytokines. DOI:http://dx.doi.org/10.7554/eLife.06848.002
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Affiliation(s)
| | | | | | | | | | | | - Hélène Bierne
- Institut National de la Recherche Agronomique, UMR1319, Micalis, AgroParisTech, Jouy-en-Josas, France
| | | | | | - Klaus-Peter Knobeloch
- Molecular Genetics Group, Neuropathologie, Universitätsklinikum Freiburg, Freiburg, Germany
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14
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Li C, Wang J, Zhang H, Zhu M, Chen F, Hu Y, Liu H, Zhu H. Interferon-stimulated gene 15 (ISG15) is a trigger for tumorigenesis and metastasis of hepatocellular carcinoma. Oncotarget 2015; 5:8429-41. [PMID: 25238261 PMCID: PMC4226694 DOI: 10.18632/oncotarget.2316] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide with poor prognosis. IFN-stimulated genes 15 (ISG15) is an ubiquitin-like molecule that is strongly upregulated by type I interferons as a primary response to diverse microbial and cellular stress stimuli. However, the role of ISG15 in HCC remains unclear. In this study, we investigated the function of ISG15 during HCC progression and related mechanism using clinicopathological data, cell line and xenograft model. Our results indicated that ISG15 is highly expressed in HCC tissues and multiple HCC cell lines. ISG15 expression is significantly associated with the differentiation grade, metastatic of tumor and survival of HCC patients. However, the expression of ISG15 is not affected by HBV infection. ISG15 promotes the proliferation and migration of hepatocarcinoma cells through maintaining Survivin protein stabilization via sequestering XIAP from interacting with Survivin. Knowing down ISG15 with SiRNA inhibited the xenografted tumor growth and prolonged the lifespan of tumor-bearing mice. All these results support that ISG15 high expression is an intrinsic feature for HCC and a trigger for tumorigenesis and metastasis. ISG15 may be a prognostic biomarker and the inhibition of ISG15 could provide a therapeutic advantage for HCC patients over-expressing ISG15.
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Affiliation(s)
- Chong Li
- Department of Oncology, the First Affiliated Hospital of Soochow University, Suzhou, China. CAS Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences (CAS), Beijing, China
| | - Ji Wang
- Department of Oncology, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Hong Zhang
- Department of Oncology, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Mingao Zhu
- Department of Oncology, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Feifei Chen
- Department of Oncology, the Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yufeng Hu
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hudan Liu
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hong Zhu
- Department of Oncology, the First Affiliated Hospital of Soochow University, Suzhou, China
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15
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Tumor Restrictions to Oncolytic Virus. Biomedicines 2014; 2:163-194. [PMID: 28548066 PMCID: PMC5423468 DOI: 10.3390/biomedicines2020163] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 03/17/2014] [Accepted: 03/28/2014] [Indexed: 02/06/2023] Open
Abstract
Oncolytic virotherapy has advanced since the days of its conception but therapeutic efficacy in the clinics does not seem to reach the same level as in animal models. One reason is premature oncolytic virus clearance in humans, which is a reasonable assumption considering the immune-stimulating nature of the oncolytic agents. However, several studies are beginning to reveal layers of restriction to oncolytic virotherapy that are present before an adaptive neutralizing immune response. Some of these barriers are present constitutively halting infection before it even begins, whereas others are raised by minute cues triggered by virus infection. Indeed, we and others have noticed that delivering viruses to tumors may not be the biggest obstacle to successful therapy, but instead the physical make-up of the tumor and its capacity to mount antiviral defenses seem to be the most important efficacy determinants. In this review, we summarize the constitutive and innate barriers to oncolytic virotherapy and discuss strategies to overcome them.
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16
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Campbell JA, Lenschow DJ. Emerging roles for immunomodulatory functions of free ISG15. J Interferon Cytokine Res 2013; 33:728-38. [PMID: 24010825 DOI: 10.1089/jir.2013.0064] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Type I interferons (IFNs) exert their effects through the induction of hundreds of IFN-stimulated genes (ISGs), many of which function by inhibiting viral replication and modulating immune responses. ISG15, a di-ubiquitin-like protein, is one of the most abundantly induced ISGs and is critical for control of certain viral and bacterial infections. Like ubiquitin, ISG15 is covalently conjugated to target proteins. In addition, free unconjugated ISG15 is present both intra- and extracellularly. Although much remains to be learned about conjugated ISG15, even less is known about the 2 free forms of ISG15. This article focuses on the role that ISG15 plays during the host response to pathogen challenge, in particular on the recent observations describing the immunomodulatory properties of free ISG15 and its potential implication in disease pathogenesis.
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Affiliation(s)
- Jessica A Campbell
- Department of Internal Medicine, Washington University School of Medicine , St. Louis, Missouri
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17
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Kumar S, Jaffar-Bandjee MC, Giry C, Connen de Kerillis L, Merits A, Gasque P, Hoarau JJ. Mouse macrophage innate immune response to Chikungunya virus infection. Virol J 2012; 9:313. [PMID: 23253140 PMCID: PMC3577478 DOI: 10.1186/1743-422x-9-313] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2011] [Accepted: 12/12/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Infection with Chikungunya alphavirus (CHIKV) can cause severe arthralgia and chronic arthritis in humans with persistence of the virus in perivascular macrophages of the synovial membrane by mechanisms largely ill-characterized. FINDINGS We herein analysed the innate immune response (cytokine and programmed cell death) of RAW264.7 mouse macrophages following CHIKV infection. We found that the infection was restrained to a small percentage of cells and was not associated with a robust type I IFN innate immune response (IFN-α4 and ISG56). TNF-α, IL-6 and GM-CSF expression were upregulated while IFN-γ, IL-1α, IL-2, IL-4, IL-5, IL-10 or IL-17 expression could not be evidenced prior to and after CHIKV exposure. Although CHIKV is known to drive apoptosis in many cell types, we found no canonical signs of programmed cell death (cleaved caspase-3, -9) in infected RAW264.7 cells. CONCLUSION These data argue for the capacity of CHIKV to infect and drive a specific innate immune response in RAW264.7 macrophage cell which seems to be polarized to assist viral persistence through the control of apoptosis and IFN signalling.
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Affiliation(s)
- Shiril Kumar
- GRI/IRG (EA4517), Immunopathology and infectious diseases research grouping, University of La Reunion, CHU and CYROI research centres, St-Denis, La Reunion, France
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