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Domínguez-Martínez DA, Fontes-Lemus JI, García-Regalado A, Juárez-Flores Á, Fuentes-Pananá EM. IL-8 Secreted by Gastric Epithelial Cells Infected with Helicobacter pylori CagA Positive Strains Is a Chemoattractant for Epstein–Barr Virus Infected B Lymphocytes. Viruses 2023; 15:v15030651. [PMID: 36992360 PMCID: PMC10054738 DOI: 10.3390/v15030651] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/09/2023] [Accepted: 02/14/2023] [Indexed: 03/05/2023] Open
Abstract
Helicobacter pylori and EBV are considered the main risk factors in developing gastric cancer. Both pathogens establish life-lasting infections and both are considered carcinogenic in humans. Different lines of evidence support that both pathogens cooperate to damage the gastric mucosa. Helicobacter pylori CagA positive virulent strains induce the gastric epithelial cells to secrete IL-8, which is a potent chemoattractant for neutrophils and one of the most important chemokines for the bacterium-induced chronic gastric inflammation. EBV is a lymphotropic virus that persists in memory B cells. The mechanism by which EBV reaches, infects and persists in the gastric epithelium is not presently understood. In this study, we assessed whether Helicobacter pylori infection would facilitate the chemoattraction of EBV-infected B lymphocytes. We identified IL-8 as a powerful chemoattractant for EBV-infected B lymphocytes, and CXCR2 as the main IL-8 receptor whose expression is induced by the EBV in infected B lymphocytes. The inhibition of expression and/or function of IL-8 and CXCR2 reduced the ERK1/2 and p38 MAPK signaling and the chemoattraction of EBV-infected B lymphocytes. We propose that IL-8 at least partially explains the arrival of EBV-infected B lymphocytes to the gastric mucosa, and that this illustrates a mechanism of interaction between Helicobacter pylori and EBV.
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Affiliation(s)
- Diana A. Domínguez-Martínez
- Research Unit on Virology and Cancer, Children’s Hospital of Mexico Federico Gómez, Mexico City 06720, Mexico
| | - José I. Fontes-Lemus
- Research Unit on Virology and Cancer, Children’s Hospital of Mexico Federico Gómez, Mexico City 06720, Mexico
| | - Alejandro García-Regalado
- Research Unit on Virology and Cancer, Children’s Hospital of Mexico Federico Gómez, Mexico City 06720, Mexico
| | - Ángel Juárez-Flores
- Research Unit on Virology and Cancer, Children’s Hospital of Mexico Federico Gómez, Mexico City 06720, Mexico
- Unidad de Investigación Médica en Inmunoquímica, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Ciudad de México 06720, Mexico
| | - Ezequiel M. Fuentes-Pananá
- Research Unit on Virology and Cancer, Children’s Hospital of Mexico Federico Gómez, Mexico City 06720, Mexico
- Correspondence: or ; Tel.: +52-55-4434-9663
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Epstein-Barr Virus Infection Is Associated with Elevated Hepcidin Levels. Int J Mol Sci 2023; 24:ijms24021630. [PMID: 36675141 PMCID: PMC9862144 DOI: 10.3390/ijms24021630] [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: 11/05/2022] [Revised: 12/24/2022] [Accepted: 12/28/2022] [Indexed: 01/19/2023] Open
Abstract
EBV and Helicobacter pylori (H. pylori) cause highly prevalent persistent infections as early as in childhood. Both pathogens are associated with gastric carcinogenesis. H. pylori interferes with iron metabolism, enhancing the synthesis of acute-phase proteins hepcidin, C-reactive protein (CRP), and α-1 glycoprotein (AGP), but we do not know whether EBV does the same. In this study, we correlated the EBV antibody levels and the serum levels of hepcidin, CRP, and AGP in 145 children from boarding schools in Mexico City. We found that children IgG positive to EBV antigens (VCA, EBNA1, and EA) presented hepcidin, AGP, and CRP levels higher than uninfected children. Hepcidin and AGP remained high in children solely infected with EBV, while CRP was only significantly high in coinfected children. We observed positive correlations between hepcidin and EBV IgG antibodies (p < 0.5). Using the TCGA gastric cancer database, we also observed an association between EBV and hepcidin upregulation. The TCGA database also allowed us to analyze the two important pathways controlling hepcidin expression, BMP−SMAD and IL-1β/IL-6. We observed only the IL-1β/IL-6-dependent inflammatory pathway being significantly associated with EBV infection. We showed here for the first time an association between EBV and enhanced levels of hepcidin. Further studies should consider EBV when evaluating iron metabolism and anemia, and whether in the long run this is an important mechanism of undernourishment and EBV gastric carcinogenesis.
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Abdi E, Latifi-Navid S, Abedi Sarvestani F, Esmailnejad MH. Emerging therapeutic targets for gastric cancer from a host- Helicobacter pylori interaction perspective. Expert Opin Ther Targets 2021; 25:685-699. [PMID: 34410200 DOI: 10.1080/14728222.2021.1971195] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Gastric cancer (GC) has the higher genetic, cytologic, and architectural heterogeneity compared to other gastrointestinal cancers. By inducing gastric inflammation, Helicobacter pylori (HP) may lead to GC through combining bacterial factors with host factors. In this regard, identification of the major therapeutic targets against the host-HP interactions plays a critical role in GC prevention, diagnosis, and treatment. AREAS COVERED This study offers new insights into the promising therapeutic targets against the angiogenesis, invasion, or metastasis of GC from a host-HP interaction perspective. To this end, MEDLINE, EMBASE, LILACS, AIM, and IndMed databases were searched for relevant articles since 1992. EXPERT OPINION Wnt signaling and COX pathway have a well-documented history in the genesis of GC by HP and might be considered as the most promising targets for early GC treatment. Destroying HP may decrease the risk of GC, but it cannot fully hinder the GC development induced by HP infection. Therefore, targeting HP-activated pathways, especially COX-2/Wnt/beta-catenin/VEGF, TLR2/TLR9/COX-2, COX2-PGE2, and NF-κB/COX-2, as well as EPHA2, MMPs, and miR-543/SIRT1 axis, can be an effective measure in the early treatment of GC. However, different clinical trials and large, multi-center cohorts are required to validate these potentially effective targets for GC therapy.
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Affiliation(s)
- Esmat Abdi
- Department of Biology, Faculty of Sciences, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Saeid Latifi-Navid
- Department of Biology, Faculty of Sciences, University of Mohaghegh Ardabili, Ardabil, Iran
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Canale M, Casadei-Gardini A, Ulivi P, Arechederra M, Berasain C, Lollini PL, Fernández-Barrena MG, Avila MA. Epigenetic Mechanisms in Gastric Cancer: Potential New Therapeutic Opportunities. Int J Mol Sci 2020; 21:E5500. [PMID: 32752096 PMCID: PMC7432799 DOI: 10.3390/ijms21155500] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/27/2020] [Accepted: 07/29/2020] [Indexed: 02/07/2023] Open
Abstract
Gastric cancer (GC) is one of the deadliest malignancies worldwide. Complex disease heterogeneity, late diagnosis, and suboptimal therapies result in the poor prognosis of patients. Besides genetic alterations and environmental factors, it has been demonstrated that alterations of the epigenetic machinery guide cancer onset and progression, representing a hallmark of gastric malignancies. Moreover, epigenetic mechanisms undergo an intricate crosstalk, and distinct epigenomic profiles can be shaped under different microenvironmental contexts. In this scenario, targeting epigenetic mechanisms could be an interesting therapeutic strategy to overcome gastric cancer heterogeneity, and the efforts conducted to date are delivering promising results. In this review, we summarize the key epigenetic events involved in gastric cancer development. We conclude with a discussion of new promising epigenetic strategies for gastric cancer treatment.
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Affiliation(s)
- Matteo Canale
- Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, 47014 Meldola, Italy; (M.C.); (P.U.)
| | - Andrea Casadei-Gardini
- Department of Oncology and Hematology, Division of Oncology, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Paola Ulivi
- Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, 47014 Meldola, Italy; (M.C.); (P.U.)
| | - Maria Arechederra
- Program of Hepatology, Center for Applied Medical Research (CIMA), University of Navarra, 31008 Pamplona, Spain; (M.A.); (C.B.); (M.G.F.-B.)
- IdiSNA, Navarra Institute for Health Research, 31008 Pamplona, Spain
| | - Carmen Berasain
- Program of Hepatology, Center for Applied Medical Research (CIMA), University of Navarra, 31008 Pamplona, Spain; (M.A.); (C.B.); (M.G.F.-B.)
- IdiSNA, Navarra Institute for Health Research, 31008 Pamplona, Spain
- National Institute for the Study of Liver and Gastrointestinal Diseases (CIBERehd, Carlos III Health Institute), 28029 Madrid, Spain
| | - Pier-Luigi Lollini
- Laboratory of Immunology and Biology of Metastasis, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40126 Bologna, Italy;
| | - Maite G. Fernández-Barrena
- Program of Hepatology, Center for Applied Medical Research (CIMA), University of Navarra, 31008 Pamplona, Spain; (M.A.); (C.B.); (M.G.F.-B.)
- IdiSNA, Navarra Institute for Health Research, 31008 Pamplona, Spain
- National Institute for the Study of Liver and Gastrointestinal Diseases (CIBERehd, Carlos III Health Institute), 28029 Madrid, Spain
| | - Matías A. Avila
- Program of Hepatology, Center for Applied Medical Research (CIMA), University of Navarra, 31008 Pamplona, Spain; (M.A.); (C.B.); (M.G.F.-B.)
- IdiSNA, Navarra Institute for Health Research, 31008 Pamplona, Spain
- National Institute for the Study of Liver and Gastrointestinal Diseases (CIBERehd, Carlos III Health Institute), 28029 Madrid, Spain
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Dávila-Collado R, Jarquín-Durán O, Dong LT, Espinoza JL. Epstein-Barr Virus and Helicobacter Pylori Co-Infection in Non-Malignant Gastroduodenal Disorders. Pathogens 2020; 9:pathogens9020104. [PMID: 32041355 PMCID: PMC7168260 DOI: 10.3390/pathogens9020104] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 02/04/2020] [Accepted: 02/05/2020] [Indexed: 02/07/2023] Open
Abstract
Epstein–Barr virus (EBV) and Helicobacter pylori (H. pylori) are two pathogens associated with the development of various human cancers. The coexistence of both microorganisms in gastric cancer specimens has been increasingly reported, suggesting that crosstalk of both pathogens may be implicated in the carcinogenesis process. Considering that chronic inflammation is an initial step in the development of several cancers, including gastric cancer, we conducted a systematic review to comprehensively evaluate publications in which EBV and H. pylori co-infection has been documented in patients with non-malignant gastroduodenal disorders (NMGDs), including gastritis, peptic ulcer disease (PUD), and dyspepsia. We searched the PubMed database up to August 2019, as well as publication references and, among the nine studies that met the inclusion criteria, we identified six studies assessing EBV infection directly in gastric tissues (total 949 patients) and three studies in which EBV infection status was determined by serological methods (total 662 patients). Due to the substantial methodological and clinical heterogeneity among studies identified, we could not conduct a meta-analysis. The overall prevalence of EBV + H. pylori co-infection in NMGDs was 34% (range 1.8% to 60%). A higher co-infection rate (EBV + H. pylori) was reported in studies in which EBV was documented by serological methods in comparison with studies in which EBV infection was directly assessed in gastric specimens. The majority of these studies were conducted in Latin-America and India, with most of them comparing NMGDs with gastric cancer, but there were no studies comparing the co-infection rate in NMGDs with that in asymptomatic individuals. In comparison with gastritis caused by only one of these pathogens, EBV + H. pylori co-infection was associated with increased severity of gastric inflammation. In conclusion, only relatively small studies testing EBV and H. pylori co-infection in NMGDs have been published to date and the variable report results are likely influenced by geographic factors and detection methods.
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Affiliation(s)
| | | | - Le Thanh Dong
- Faculty of Medical Technology, Hanoi Medical University, Hanoi 116001, Vietnam
| | - J. Luis Espinoza
- Faculty of Health Sciences, Kanazawa University, Kodatsuno 5-11-80, Kanazawa 920-0942, Ishikawa, Japan
- Correspondence:
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Zhao R, Liu Z, Xu W, Song L, Ren H, Ou Y, Liu Y, Wang S. Helicobacter pylori infection leads to KLF4 inactivation in gastric cancer through a TET1-mediated DNA methylation mechanism. Cancer Med 2020; 9:2551-2563. [PMID: 32017451 PMCID: PMC7131848 DOI: 10.1002/cam4.2892] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/04/2020] [Accepted: 01/14/2020] [Indexed: 12/15/2022] Open
Abstract
Krüppel-like factor 4 (KLF4) has a tumor suppressor role in the progression of gastric cancer (GC), and inhibition or loss of KLF4 expression was identified in GC. The aim of this study was to explore the new molecular mechanism of KLF4 inactivation in gastric cancer. Herein, we report that Helicobacter pylori infection or Cag pathogenicity island protein A (CagA) gene transduction resulted in KLF4 expression downregulation and promoted gastric epithelial cell and gastric cancel cell proliferation, migration, and colony formation. Mechanistically, we found that CagA gene transduction led to DNA methylation of the KLF4 promoter, an effect that was relevant to the significant downregulation of TET1 expression. Causally, knockdown of TET1 expression decreased KLF4 expression, whereas overexpression of TET1 had the opposite effect. Clinically, we found that KLF4 expression and the 5-hmC levels were lower in GC cells with H pylori infection than in GC cells without H pylori infection. Thus, our study not only sheds new light on how H pylori infection promotes the progression of GC but also elucidates a novel mechanism of KLF4 inactivation in GC pathogenesis. During pathogenesis, an alteration in the H pylori/CagA-TET1-KLF4 signaling pathway plays a critical role, suggesting that this pathway may be a prospective target for gastric carcinoma intervention and therapy.
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Affiliation(s)
- Rongrong Zhao
- Department of Physiopathology, Anhui Medical University, Hefei, Anhui, China.,Department of Pathology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zhengxia Liu
- Department of Physiopathology, Anhui Medical University, Hefei, Anhui, China
| | - Wenting Xu
- Department of Physiopathology, Anhui Medical University, Hefei, Anhui, China
| | - Le Song
- Department of Physiopathology, Anhui Medical University, Hefei, Anhui, China
| | - Haifeng Ren
- Department of Physiopathology, Anhui Medical University, Hefei, Anhui, China
| | - Yang Ou
- Department of Physiopathology, Anhui Medical University, Hefei, Anhui, China
| | - Yakun Liu
- Department of Physiopathology, Anhui Medical University, Hefei, Anhui, China
| | - Siying Wang
- Department of Physiopathology, Anhui Medical University, Hefei, Anhui, China
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7
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Helicobacter pylori and Epstein-Barr Virus Infection in Gastric Diseases: Correlation with IL-10 and IL1RN Polymorphism. JOURNAL OF ONCOLOGY 2019; 2019:1785132. [PMID: 31885568 PMCID: PMC6918935 DOI: 10.1155/2019/1785132] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 07/10/2019] [Accepted: 08/18/2019] [Indexed: 02/06/2023]
Abstract
Introduction Helicobacter pylori and Epstein–Barr virus (EBV) infection have recently been shown to be associated with gastric diseases. Polymorphisms in genes encoding cytokines such as interleukin 10 (IL-10) and interleukin 1 Receptor (IL-1RN) influence cytokine secretion levels and appear to contribute to the risk of developing gastroduodenal diseases. To our knowledge, this is the first preliminary study to address the association of coinfection with H. pylori and EBV and their correlation with genetic predisposition in the development of gastric diseases. Methods Gastric biopsy samples of 96 patients with different gastric diseases were used. Results Our results showed that the rate of coinfection was higher in patients with gastric cancer than in patients with normal gastric mucosa, active chronic gastritis, and MALT lymphoma. As regards the characterization of H. pilory strains, the polymorphism s1m1i1 of vacA gene was more frequent in patients with MALT Lymphoma in comparison to others, while the polymorphism s2m2i2 was most frequent in patients with normal gastric mucosa. In addition, patients who tested positive for the cagA gene were more frequently those affected with gastric cancer than those with inactive chronic gastritis. Similarly, the patients with oipA gene ON were more frequently those with gastric cancer than those with inactive chronic gastritis. Conclusion According to our analysis, there was no correlation between coinfection and polymorphisms in genes encoding IL-10 and IL-1RN. We conclude that various factors can be involved in the development of gastric diseases.
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8
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Go H, Jang JY, Kim CW, Huh J, Kim PJ, Jeon YK. Identification of microRNAs modulated by DNA hypomethylating drugs in extranodal NK/T-cell lymphoma. Leuk Lymphoma 2019; 61:66-74. [PMID: 31441360 DOI: 10.1080/10428194.2019.1654096] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
To identify epigenetically silenced miRNAs and to investigate their influences on predictive target oncogenes in extranodal natural killer/T-cell lymphoma (NKTCL). Decitabine treatment was performed to evaluate methylated miRNAs in NKTCL cells. The relationship between a given miRNA and its target mRNA was validated using 24 tumor tissues. miR-379, miR-134, miR-20b, miR-376a, miR-654-3p, miR-143, miR-181c, miR-1225-5p, miR-1246, and miR-1275 were epigenetically silenced in SNK6 cells. miR-134, miR-376a, miR-143 and miR-181c significantly affected cellular viability. PDGFRα was regulated by miR-34a and miR-181c. miR-143, miR-20b and miR34a regulated STAT3 expression. miR-20b and miR-143 expression showed inverse correlations with STAT3 mRNA expression in NKTCL tissues. K-RAS was regulated by miR-181c. Downregulation of cell viability by salirasib treatment was identified. miRNAs were downregulated by DNA methylation, and several microRNAs affected the viability of NKTCL cells. miR-34a and miR-181c may be involved in the oncogenic progression of NKTCL through the regulation of PDGFRα, STAT3, and K-RAS.
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Affiliation(s)
- Heounjeong Go
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.,Cancer Research Institute, Seoul National University, Seoul, Republic of Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ji-Young Jang
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea.,Bioinfra Life Science Inc, Seoul, Republic of Korea
| | - Chul-Woo Kim
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.,Cancer Research Institute, Seoul National University, Seoul, Republic of Korea.,Bioinfra Life Science Inc, Seoul, Republic of Korea
| | - Jooryung Huh
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Pil-Jong Kim
- Biomedical Knowledge Engineering Laboratory, Seoul National University College of Dental Medicine, Seoul, Republic of Korea
| | - Yoon Kyung Jeon
- Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.,Cancer Research Institute, Seoul National University, Seoul, Republic of Korea
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Zou D, Xu L, Li H, Ma Y, Gong Y, Guo T, Jing Z, Xu X, Zhang Y. Role of abnormal microRNA expression in Helicobacter pylori associated gastric cancer. Crit Rev Microbiol 2019; 45:239-251. [PMID: 30776938 DOI: 10.1080/1040841x.2019.1575793] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Epidemiological studies have shown that Helicobacter pylori (HP) infection is a risk factor for gastric cancer (GC). HP infection may induce the release of pro-inflammatory mediators, and abnormally increase the level of reactive oxygen species (ROS), nitric oxide (NO), and cytokines in mucosal epithelial cells of the stomach. However, the specific mechanism underlying the pathogenesis of HP-associated GC is still poorly understood. Recent studies have revealed that abnormal microRNA expression may affect the proliferation, differentiation, and apoptosis of mucosal epithelial cells of the stomach to further influence GC occurrence, development, and metastasis. Herein, we summarize the role of abnormal microRNAs in the regulation of HP-associated GC progression. Abnormal microRNA expression in HP-positive GC may be a biomarker for GC diagnosis, occurrence, and development as well as its targeted treatment and prognosis.
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Affiliation(s)
- Dan Zou
- a The First laboratory of cancer institute , First Hospital of China Medical University , Shenyang , China
| | - Ling Xu
- b Department of Medical Oncology , First Hospital of China Medical University , Shenyang , China
| | - Heming Li
- b Department of Medical Oncology , First Hospital of China Medical University , Shenyang , China.,c Department of Oncology , Affiliated Zhongshan Hospital of Dalian University , Dalian , China
| | - Yanju Ma
- b Department of Medical Oncology , First Hospital of China Medical University , Shenyang , China.,d Department of Medical Oncology , Cancer Hospital of China Medical University , Shenyang , China
| | - Yuehua Gong
- e Department of Tumor Etiology and Screening Department of Cancer Institute and General Surgery, First Hospital of China Medical University , Key Laboratory of Cancer Etiology and Prevention (China Medical University), Liaoning Provincial Education Department , Shenyang , China
| | - Tianshu Guo
- b Department of Medical Oncology , First Hospital of China Medical University , Shenyang , China
| | - Zhitao Jing
- f Department of Neurosurgery , First Hospital of China Medical University , Shenyang , China
| | - Xiuying Xu
- g Department of Gastroenterology , First Hospital of China Medical University , Shenyang , China
| | - Ye Zhang
- a The First laboratory of cancer institute , First Hospital of China Medical University , Shenyang , China
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Pirini F, Noazin S, Jahuira-Arias MH, Rodriguez-Torres S, Friess L, Michailidi C, Cok J, Combe J, Vargas G, Prado W, Soudry E, Pérez J, Yudin T, Mancinelli A, Unger H, Ili-Gangas C, Brebi-Mieville P, Berg DE, Hayashi M, Sidransky D, Gilman RH, Guerrero-Preston R. Early detection of gastric cancer using global, genome-wide and IRF4, ELMO1, CLIP4 and MSC DNA methylation in endoscopic biopsies. Oncotarget 2018; 8:38501-38516. [PMID: 28418867 PMCID: PMC5503549 DOI: 10.18632/oncotarget.16258] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 02/24/2017] [Indexed: 12/15/2022] Open
Abstract
Clinically useful molecular tools to triage gastric cancer patients are not currently available. We aimed to develop a molecular tool to predict gastric cancer risk in endoscopy-driven biopsies obtained from high-risk gastric cancer clinics in low resource settings. We discovered and validated a DNA methylation biomarker panel in endoscopic samples obtained from 362 patients seen between 2004 and 2009 in three high-risk gastric cancer clinics in Lima, Perú, and validated it in 306 samples from the Cancer Genome Atlas project (“TCGA”). Global, epigenome wide and gene-specific DNA methylation analyses were used in a Phase I Biomarker Development Trial to identify a continuous biomarker panel that combines a Global DNA Methylation Index (GDMI) and promoter DNA methylation levels of IRF4, ELMO1, CLIP4 and MSC. We observed an inverse association between the GDMI and histological progression to gastric cancer, when comparing gastritis patients without metaplasia (mean = 5.74, 95% CI, 4.97−6.50), gastritis patients with metaplasia (mean = 4.81, 95% CI, 3.77−5.84), and gastric cancer cases (mean = 3.38, 95% CI, 2.82−3.94), respectively (p < 0.0001). Promoter methylation of IRF4 (p < 0.0001), ELMO1 (p < 0.0001), CLIP4 (p < 0.0001), and MSC (p < 0.0001), is also associated with increasing severity from gastritis with no metaplasia to gastritis with metaplasia and gastric cancer. Our findings suggest that IRF4, ELMO1, CLIP4 and MSC promoter methylation coupled with a GDMI>4 are useful molecular tools for gastric cancer risk stratification in endoscopic biopsies.
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Affiliation(s)
- Francesca Pirini
- Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Sassan Noazin
- The Johns Hopkins University, Bloomberg School of Public Health, Department of International Health, Baltimore, MD, USA
| | - Martha H Jahuira-Arias
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA.,Universidad Peruana Cayetano Heredia, Lima, Perú
| | - Sebastian Rodriguez-Torres
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA
| | - Leah Friess
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA
| | - Christina Michailidi
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA
| | - Jaime Cok
- Hospital Nacional Cayetano Heredia, Pathology Department, Lima, Perú
| | - Juan Combe
- Instituto Nacional de Enfermedades Neoplásicas, Gastroenterology Department, Lima, Perú
| | - Gloria Vargas
- Hospital Nacional Arzobispo Loayza, Gastroenterology Department, Lima, Perú
| | - William Prado
- Hospital Nacional Dos de Mayo, Gastroenterology Department, Lima, Perú
| | - Ethan Soudry
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA
| | - Jimena Pérez
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA
| | - Tikki Yudin
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA
| | - Andrea Mancinelli
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA
| | - Helen Unger
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA
| | - Carmen Ili-Gangas
- Laboratory of Molecular Pathology, Department of Pathological Anatomy, School of Medicine, Universidad de La Frontera, Temuco, Chile.,Center of Excellence in Translational Medicine - Scientific and Technological Bioresource Nucleus (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile
| | - Priscilla Brebi-Mieville
- Laboratory of Molecular Pathology, Department of Pathological Anatomy, School of Medicine, Universidad de La Frontera, Temuco, Chile.,Center of Excellence in Translational Medicine - Scientific and Technological Bioresource Nucleus (CEMT-BIOREN), Universidad de La Frontera, Temuco, Chile
| | - Douglas E Berg
- Washington University Medical School, Department of Molecular Microbiology, St Louis, MO, USA.,University of California San Diego, Department of Medicine, La Jolla, CA, USA
| | - Masamichi Hayashi
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA.,Department of Gastroenterological Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - David Sidransky
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA
| | - Robert H Gilman
- The Johns Hopkins University, Bloomberg School of Public Health, Department of International Health, Baltimore, MD, USA.,Universidad Peruana Cayetano Heredia, Lima, Perú
| | - Rafael Guerrero-Preston
- The Johns Hopkins University, School of Medicine, Otolaryngology Department, Head and Neck Cancer Research Division, Baltimore, MD, USA.,University of Puerto Rico School of Medicine, Department of Obstetrics and Gynecology, San Juan, Puerto Rico
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Lee SY. Changes in Gastric Microbiota during Gastric Carcinogenesis. THE KOREAN JOURNAL OF HELICOBACTER AND UPPER GASTROINTESTINAL RESEARCH 2018. [DOI: 10.7704/kjhugr.2018.18.2.95] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Sun-Young Lee
- Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
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Zhang C, Zhang R, Chen Z, Chen J, Ruan J, Lu Z, Xiong H, Yang W. Differential DNA methylation profiles of human B lymphocytes and Epstein-Barr virus-immortalized B lymphocytes. Chin J Cancer Res 2018; 30:104-111. [PMID: 29545724 DOI: 10.21147/j.issn.1000-9604.2018.01.11] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Objective This study aimed to comprehensively assess Epstein-Barr virus (EBV)-induced methylation alterations of B cell across whole genome. Methods We compared DNA methylation patterns of primary B cells and corresponding lymphoblastoid cell lines (LCLs) from eight participants. The genome-wide DNA methylation profiles were compared at over 850,000 genome-wide methylation sites. Results DNA methylation analysis revealed 87,732 differentially methylated CpG sites, representing approximately 12.41% of all sites in LCLs compared to primary B cells. The hypermethylated and hypomethylated CpG sites were about 22.75% or 77.25%, respectively. Only 0.8% of hypomethylated sites and 4.5% of hypermethylated sites were located in CpG islands, whereas 8.0% of hypomethylated sites and 16.3% of hypermethylated sites were located in shore (N_shore and S_shore). Using principal component analysis of the DNA methylation profiles, primary B cells and LCLs could be accurately predicted. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis of differently methylated genes revealed that most of the top GO biological processes were related to cell activation and immune response, and some top enrichment pathways were related with activation and malignant transformation of human B cells. Conclusions Our study demonstrated genome-wide DNA methylation variations between primary B cells and corresponding LCLs, which might yield new insight on the methylation mechanism of EBV-induced immortalization.
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Affiliation(s)
- Chaoting Zhang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Laboratory of Biochemistry and Molecular Biology, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Rui Zhang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Laboratory of Biochemistry and Molecular Biology, Peking University Cancer Hospital & Institute, Beijing 100142, China.,Key Laboratory of Fertility Preservation and Maintenance, the School of Basic Medicine, the General Hospital, Ningxia Medical University, Yinchuan 750004, China
| | - Zhiqiang Chen
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Laboratory of Biochemistry and Molecular Biology, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Jing Chen
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Laboratory of Biochemistry and Molecular Biology, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Jigang Ruan
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Laboratory of Biochemistry and Molecular Biology, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Zheming Lu
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Laboratory of Biochemistry and Molecular Biology, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Hongchao Xiong
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Laboratory of Biochemistry and Molecular Biology, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Wenjun Yang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Laboratory of Biochemistry and Molecular Biology, Peking University Cancer Hospital & Institute, Beijing 100142, China.,Key Laboratory of Fertility Preservation and Maintenance, the School of Basic Medicine, the General Hospital, Ningxia Medical University, Yinchuan 750004, China
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Singh S, Jha HC. Status of Epstein-Barr Virus Coinfection with Helicobacter pylori in Gastric Cancer. JOURNAL OF ONCOLOGY 2017; 2017:3456264. [PMID: 28421114 PMCID: PMC5379099 DOI: 10.1155/2017/3456264] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 02/14/2017] [Indexed: 12/14/2022]
Abstract
Epstein-Barr virus is a ubiquitous human herpesvirus whose primary infection causes mononucleosis, Burkett's lymphoma, nasopharyngeal carcinoma, autoimmune diseases, and gastric cancer (GC). The persistent infection causes malignancies in lymph and epithelial cells. Helicobacter pylori causes gastritis in human with chronic inflammation. This chronic inflammation is thought to be the cause of genomic instability. About 45%-word population have a probability of having both pathogens, namely, H. pylori and EBV. Approximately 180 per hundred thousand population is developing GC along with many gastric abnormalities. This makes GC the third leading cause of cancer-related death worldwide. Although lots of research are carried out individually for EBV and H. pylori, still there are very few reports available on coinfection of both pathogens. Recent studies suggested that EBV and H. pylori coinfection increases the occurrence of GC as well as the early age of GC detection comparing to individual infection. The aim of this review is to present status on coinfection of both pathogens and their association with GC.
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Affiliation(s)
- Shyam Singh
- Centre for Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, India
| | - Hem Chandra Jha
- Centre for Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, India
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