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Murphy G, Freedman ND, Abnet CC, Albanes D, Cross AJ, Huang WY, Koshiol J, McGlynn K, Parisi D, Männistö S, Weinstein SJ, Waterboer T, Butt J. Helicobacter hepaticus and Helicobacter bilis in liver and biliary cancers from ATBC and PLCO. Helicobacter 2024; 29:e13053. [PMID: 38332674 DOI: 10.1111/hel.13053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/10/2024]
Abstract
BACKGROUND Helicobacter species (spp.) have been detected in human bile and hepatobiliary tissue Helicobacter spp. promote gallstone formation and hepatobiliary tumors in laboratory studies, though it remains unclear whether Helicobacter spp. contribute to these cancers in humans. We used a multiplex panel to assess whether seropositivity to Helicobacter (H.) hepaticus or H. bilis proteins was associated with the development of hepatobiliary cancers in the Finnish Alpha-Tocopherol, Beta-Carotene Cancer Prevention (ATBC) Study, and US-based Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial (PLCO). METHODS We included 62 biliary and 121 liver cancers, and 190 age-matched controls from ATBC and 74 biliary and 105 liver cancers, and 364 age- and sex-matched controls from PLCO. Seropositivity to 14 H. hepaticus and H. bilis antigens was measured using a multiplex assay. Odds ratios (ORs) and 95% confidence intervals (CIs) were adjusted for major hepatobiliary cancer risk factors and Helicobacter pylori serostatus. RESULTS Seropositivity to the H. bilis antigen, P167D, was associated with more than a twofold higher risk of liver cancer (OR: 2.38; 95% CI: 1.06, 5.36) and seropositivity to the H. hepaticus antigens HH0407 or HH1201, or H. bilis antigen, HRAG 01470 were associated with higher risk of biliary cancer (OR: 5.01; 95% CI: 1.53, 16.40; OR: 2.40; 95% CI: 1.00, 5.76; OR: 3.27; 95% CI: 1.14, 9.34, respectively) within PLCO. No associations for any of the H. hepaticus or H. bilis antigens were noted for liver or biliary cancers within ATBC. CONCLUSIONS Further investigations in cohort studies should examine the role of Helicobacter spp. in the etiology of liver and biliary cancers.
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Affiliation(s)
- Gwen Murphy
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
- Cancer Screening and Prevention Research Group (CSPRG), Department of Surgery and Cancer, Imperial College London, London, UK
| | - Neal D Freedman
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Christian C Abnet
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Demetrius Albanes
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Amanda J Cross
- Cancer Screening and Prevention Research Group (CSPRG), Department of Surgery and Cancer, Imperial College London, London, UK
| | - Wen-Yi Huang
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Jill Koshiol
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Katherine McGlynn
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Dominick Parisi
- Information Management Services, Inc., Rockville, Maryland, USA
| | - Satu Männistö
- Department of Chronic Disease Prevention, National Institute for Health and Welfare, Helsinki, Finland
| | - Stephanie J Weinstein
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Tim Waterboer
- Infections and Cancer Epidemiology Division, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Julia Butt
- Infections and Cancer Epidemiology Division, German Cancer Research Center (DKFZ), Heidelberg, Germany
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Merali N, Chouari T, Terroire J, Jessel MD, Liu DSK, Smith JH, Wooldridge T, Dhillon T, Jiménez JI, Krell J, Roberts KJ, Rockall TA, Velliou E, Sivakumar S, Giovannetti E, Demirkan A, Annels NE, Frampton AE. Bile Microbiome Signatures Associated with Pancreatic Ductal Adenocarcinoma Compared to Benign Disease: A UK Pilot Study. Int J Mol Sci 2023; 24:16888. [PMID: 38069211 PMCID: PMC10706407 DOI: 10.3390/ijms242316888] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/18/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) has a very poor survival. The intra-tumoural microbiome can influence pancreatic tumourigenesis and chemoresistance and, therefore, patient survival. The role played by bile microbiota in PDAC is unknown. We aimed to define bile microbiome signatures that can effectively distinguish malignant from benign tumours in patients presenting with obstructive jaundice caused by benign and malignant pancreaticobiliary disease. Prospective bile samples were obtained from 31 patients who underwent either Endoscopic Retrograde Cholangiopancreatography (ERCP) or Percutaneous Transhepatic Cholangiogram (PTC). Variable regions (V3-V4) of the 16S rRNA genes of microorganisms present in the samples were amplified by Polymerase Chain Reaction (PCR) and sequenced. The cohort consisted of 12 PDAC, 10 choledocholithiasis, seven gallstone pancreatitis and two primary sclerosing cholangitis patients. Using the 16S rRNA method, we identified a total of 135 genera from 29 individuals (12 PDAC and 17 benign). The bile microbial beta diversity significantly differed between patients with PDAC vs. benign disease (Permanova p = 0.0173). The separation of PDAC from benign samples is clearly seen through unsupervised clustering of Aitchison distance. We found three genera to be of significantly lower abundance among PDAC samples vs. benign, adjusting for false discovery rate (FDR). These were Escherichia (FDR = 0.002) and two unclassified genera, one from Proteobacteria (FDR = 0.002) and one from Enterobacteriaceae (FDR = 0.011). In the same samples, the genus Streptococcus (FDR = 0.033) was found to be of increased abundance in the PDAC group. We show that patients with obstructive jaundice caused by PDAC have an altered microbiome composition in the bile compared to those with benign disease. These bile-based microbes could be developed into potential diagnostic and prognostic biomarkers for PDAC and warrant further investigation.
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Affiliation(s)
- Nabeel Merali
- Minimal Access Therapy Training Unit (MATTU), Royal Surrey County Hospital NHS Foundation Trust, Egerton Road, Guildford GU2 7XX, UK
- Department of Hepato-Pancreato-Biliary (HPB) Surgery, Royal Surrey County Hospital NHS Foundation Trust, Egerton Road, Guildford GU2 7XX, UK
- Section of Oncology, Department of Clinical and Experimental Medicine, Faculty of Health and Medical Science, University of Surrey, Guildford GU2 7WG, UK
| | - Tarak Chouari
- Department of Hepato-Pancreato-Biliary (HPB) Surgery, Royal Surrey County Hospital NHS Foundation Trust, Egerton Road, Guildford GU2 7XX, UK
- Section of Oncology, Department of Clinical and Experimental Medicine, Faculty of Health and Medical Science, University of Surrey, Guildford GU2 7WG, UK
| | - Julien Terroire
- Surrey Institute for People-Centred AI, University of Surrey, Guildford GU2 7XH, UK
- Section of Statistical Multi-Omics, Department of Clinical and Experimental Medicine, Faculty of Health and Medical Science, University of Surrey, Guildford GU2 7WG, UK
| | - Maria-Danae Jessel
- Section of Oncology, Department of Clinical and Experimental Medicine, Faculty of Health and Medical Science, University of Surrey, Guildford GU2 7WG, UK
| | - Daniel S. K. Liu
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London W12 0NN, UK
| | - James-Halle Smith
- Hepatobiliary and Pancreatic Surgery Unit, Queen Elizabeth Hospital Birmingham, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TH, UK
| | - Tyler Wooldridge
- Section of Oncology, Department of Clinical and Experimental Medicine, Faculty of Health and Medical Science, University of Surrey, Guildford GU2 7WG, UK
| | - Tony Dhillon
- Section of Oncology, Department of Clinical and Experimental Medicine, Faculty of Health and Medical Science, University of Surrey, Guildford GU2 7WG, UK
| | - José I. Jiménez
- Department of Life Sciences, Imperial College London, London SW7 2AZ, UK
| | - Jonathan Krell
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London W12 0NN, UK
| | - Keith J. Roberts
- Hepatobiliary and Pancreatic Surgery Unit, Queen Elizabeth Hospital Birmingham, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TH, UK
| | - Timothy A. Rockall
- Minimal Access Therapy Training Unit (MATTU), Royal Surrey County Hospital NHS Foundation Trust, Egerton Road, Guildford GU2 7XX, UK
| | - Eirini Velliou
- Centre for 3D Models of Health and Disease, Division of Surgery and Interventional Science, University College London (UCL), London W1W 7TY, UK
| | - Shivan Sivakumar
- Oncology Department, Institute of Immunology and Immunotherapy, Birmingham Medical School, University of Birmingham, Birmingham B15 2TT, UK
| | - Elisa Giovannetti
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, 1081 HV Amsterdam, The Netherlands
- Cancer Pharmacology Lab, AIRC Start Up Unit, Fondazione Pisana per la Scienza, San Giuliano Terme PI, 56017 Pisa, Italy
| | - Ayse Demirkan
- Surrey Institute for People-Centred AI, University of Surrey, Guildford GU2 7XH, UK
- Section of Statistical Multi-Omics, Department of Clinical and Experimental Medicine, Faculty of Health and Medical Science, University of Surrey, Guildford GU2 7WG, UK
| | - Nicola E. Annels
- Section of Oncology, Department of Clinical and Experimental Medicine, Faculty of Health and Medical Science, University of Surrey, Guildford GU2 7WG, UK
| | - Adam E. Frampton
- Minimal Access Therapy Training Unit (MATTU), Royal Surrey County Hospital NHS Foundation Trust, Egerton Road, Guildford GU2 7XX, UK
- Department of Hepato-Pancreato-Biliary (HPB) Surgery, Royal Surrey County Hospital NHS Foundation Trust, Egerton Road, Guildford GU2 7XX, UK
- Section of Oncology, Department of Clinical and Experimental Medicine, Faculty of Health and Medical Science, University of Surrey, Guildford GU2 7WG, UK
- Division of Cancer, Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London W12 0NN, UK
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Ji H, Jiang Z, Wei C, Ma Y, Zhao J, Wang F, Zhao B, Wang D, Tang D. Intratumoural microbiota: from theory to clinical application. Cell Commun Signal 2023; 21:164. [PMID: 37381018 DOI: 10.1186/s12964-023-01134-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 04/22/2023] [Indexed: 06/30/2023] Open
Abstract
Cancer is a major cause of high morbidity and mortality worldwide. Several environmental, genetic and lifestyle factors are associated with the development of cancer in humans and result in suboptimal treatment. The human microbiota has been implicated in the pathophysiological process of cancer and has been used as a diagnostic, prognostic and risk assessment tool in cancer management. Notably, both extratumoural and intratumoural microbiota are important components of the tumor microenvironment, subtly influencing tumorigenesis, progression, treatment and prognosis. The potential oncogenic mechanisms of action of the intratumoural microbiota include induction of DNA damage, influence on cell signaling pathways and impairment of immune responses. Some naturally occurring or genetically engineered microorganisms can specifically accumulate and replicate in tumors and then initiate various anti-tumor programs, ultimately promoting the therapeutic effect of tumor microbiota and reducing the toxic and side effects of conventional tumor treatments, which may be conducive to the pursuit of accurate cancer treatment. In this review, we summarise evidence revealing the impact of the intratumoural microbiota on cancer occurrence and progress and potential therapeutic and diagnostic applications, which may be a promising novel strategy to inhibit tumor development and enhance therapeutic efficacy. Video Abstract.
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Affiliation(s)
- Hao Ji
- Clinical Medical College, Yangzhou University, Yangzhou, 225000, Jiangsu Province, China
| | - Zhengting Jiang
- Clinical Medical College, Yangzhou University, Yangzhou, 225000, Jiangsu Province, China
| | - Chen Wei
- Clinical Medical College, Yangzhou University, Yangzhou, 225000, Jiangsu Province, China
| | - Yichao Ma
- Clinical Medical College, Yangzhou University, Yangzhou, 225000, Jiangsu Province, China
| | - Jiahao Zhao
- Clinical Medical College, Yangzhou University, Yangzhou, 225000, Jiangsu Province, China
| | - Fei Wang
- Clinical Medical College, Dalian Medical University, Dalian, 116044, Liaoning Province, China
| | - Bin Zhao
- Clinical Medical College, Dalian Medical University, Dalian, 116044, Liaoning Province, China
| | - Daorong Wang
- Department of General Surgery, Institute of General Surgery, Clinical Medical College, Yangzhou University, Northern Jiangsu People's Hospital, Yangzhou, 225000, China
| | - Dong Tang
- Department of General Surgery, Institute of General Surgery, Clinical Medical College, Yangzhou University, Northern Jiangsu People's Hospital, Yangzhou, 225000, China.
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Bragazzi MC, Venere R, Vignone A, Alvaro D, Cardinale V. Role of the Gut–Liver Axis in the Pathobiology of Cholangiopathies: Basic and Clinical Evidence. Int J Mol Sci 2023; 24:ijms24076660. [PMID: 37047635 PMCID: PMC10095354 DOI: 10.3390/ijms24076660] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/23/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
The “Gut–Liver Axis” refers to the physiological bidirectional interplay between the gut and its microbiota and the liver which, in health, occurs thanks to a condition of immune tolerance. In recent years, several studies have shown that, in case of a change in gut bacterial homeostasis or impairment of intestinal barrier functions, cholangiocytes, which are the epithelial cells lining the bile ducts, activate innate immune responses against gut-derived microorganisms or bacterial products that reach the liver via enterohepatic circulation. Intestinal dysbiosis or impaired intestinal barrier functions cause cholangiocytes to be exposed to an increasing amount of microorganisms that can reactivate inflammatory responses, thus inducing the onset of liver fibrosis. The present review focuses on the role of the gut–liver axis in the pathogenesis of cholangiopathies.
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Affiliation(s)
- Maria Consiglia Bragazzi
- Department of Medical-Surgical Sciences and Biotechnology, Sapienza University of Rome Polo Pontino, 04100 Roma, Italy
| | - Rosanna Venere
- Department of Medical-Surgical Sciences and Biotechnology, Sapienza University of Rome Polo Pontino, 04100 Roma, Italy
| | - Anthony Vignone
- Department of Translational and Precision Medicine, Sapienza University of Rome, 04100 Roma, Italy
| | - Domenico Alvaro
- Department of Translational and Precision Medicine, Sapienza University of Rome, 04100 Roma, Italy
| | - Vincenzo Cardinale
- Department of Translational and Precision Medicine, Sapienza University of Rome, 04100 Roma, Italy
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Gros B, Gómez Pérez A, Pleguezuelo M, Serrano Ruiz FJ, de la Mata M, Rodríguez-Perálvarez M. Helicobacter Species and Hepato-Biliary Tract Malignancies: A Systematic Review and Meta-Analysis. Cancers (Basel) 2023; 15:cancers15030595. [PMID: 36765552 PMCID: PMC9913828 DOI: 10.3390/cancers15030595] [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: 11/25/2022] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
Helicobacter species may cause chronic inflammation of the biliary tract, but its relationship with cancer is controversial. We performed a systematic review and meta-analysis to evaluate the association between Helicobacter species and hepatobiliary tract malignancies. Twenty-six studies (4083 patients) were included in qualitative synthesis, and 18 studies (n = 1895 qualified for meta-analysis. All studies were at high-intermediate risk of bias. Most studies combined several direct microbiological methods, mostly PCR (23 studies), culture (8 studies), and/or CLOtest (5 studies). Different specimens alone or in combination were investigated, most frequently bile (16 studies), serum (7 studies), liver/biliary tissue (8 studies), and gastric tissue (3 studies). Patients with Helicobacter species infection had an increased risk of hepatobiliary tract malignancies (OR = 3.61 [95% CI 2.18-6.00]; p < 0.0001), with high heterogeneity in the analysis (I2 = 61%; p = 0.0003). This effect was consistent when Helicobacter was assessed in bile (OR = 3.57 [95% CI 1.73-7.39]; p = 0.0006), gastric tissue (OR = 42.63 [95% CI 5.25-346.24]; p = 0.0004), liver/biliary tissue (OR = 4.92 [95% CI 1.90-12.76]; p = 0.001) and serum (OR = 1.38 [95% CI 1.00-1.90]; p = 0.05). Heterogeneity was reduced in these sub-analyses (I2 = 0-27%; p = ns), except for liver/biliary tissue (I2 = 57%; p = 0.02). In conclusion, based on low-certainty data, Helicobacter species chronic infection is associated with a tripled risk of hepatobiliary tract malignancy. Prospective studies are required to delineate public health interventions.
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Affiliation(s)
- Beatriz Gros
- Department of Gastroenterology and Hepatology, Hospital Universitario Reina Sofía, 14004 Córdoba, Spain
- Maimonides Institute of Biomedical Research (IMIBIC), 14004 Córdoba, Spain
| | - Alberto Gómez Pérez
- Department of Gastroenterology and Hepatology, Hospital Universitario Reina Sofía, 14004 Córdoba, Spain
| | - María Pleguezuelo
- Department of Gastroenterology and Hepatology, Hospital Universitario Reina Sofía, 14004 Córdoba, Spain
- Maimonides Institute of Biomedical Research (IMIBIC), 14004 Córdoba, Spain
| | - Francisco Javier Serrano Ruiz
- Department of Gastroenterology and Hepatology, Hospital Universitario Reina Sofía, 14004 Córdoba, Spain
- Maimonides Institute of Biomedical Research (IMIBIC), 14004 Córdoba, Spain
| | - Manuel de la Mata
- Department of Gastroenterology and Hepatology, Hospital Universitario Reina Sofía, 14004 Córdoba, Spain
- Maimonides Institute of Biomedical Research (IMIBIC), 14004 Córdoba, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 28029 Madrid, Spain
| | - Manuel Rodríguez-Perálvarez
- Department of Gastroenterology and Hepatology, Hospital Universitario Reina Sofía, 14004 Córdoba, Spain
- Maimonides Institute of Biomedical Research (IMIBIC), 14004 Córdoba, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-617-854-692
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Yamashita M, Adachi T, Ono S, Yoshino K, Imamura H, Matsushima H, Tanaka T, Kosaka T, Soyama A, Hidaka M, Kanetaka K, Eguchi S. Helicobacter bilis infection induces oxidative stress in and enhances the proliferation of human cholangiocytes. Helicobacter 2022; 27:e12908. [PMID: 35661483 DOI: 10.1111/hel.12908] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 05/02/2022] [Accepted: 05/17/2022] [Indexed: 12/26/2022]
Abstract
BACKGROUND Helicobacter bilis, an enterohepatic Helicobacter species, represents a carcinogenic risk factor for cholangiocytes owing to the prevalence of infections in patients with biliary tract cancer, cholecystitis, and pancreaticobiliary maljunction. However, the effect of H. bilis infection on cholangiocytes and the process and mechanism of carcinogenesis are not known. We aimed to determine the effects of H. bilis on cholangiocytes, focusing on inflammation and oxidative stress. MATERIALS AND METHODS Helicobacter bilis and MMNK-1 cells were cocultured for 24 h and inflammatory cytokine secretion was evaluated. Furthermore, MMNK-1 cell proliferation, intracellular reactive oxidant species (ROS) production, and DNA damage caused by ROS were investigated. All factors were compared with and without H. bilis infection. RESULTS Interleukin (IL)-6 and IL-8 secretion were significantly increased in MMNK-1 cocultures with H. bilis (IL-6, 24.3 ± 12.2 vs. 271.1 ± 286.4 pg/ml; IL-8, 167.6 ± 78.7 vs. 1085.1 ± 1047.1 pg/ml, p < .05). MMNK-1 proliferation was also significantly higher in H. bilis cocultures (1.05 ± 0.02 vs. 1.00-fold, respectively; p < .05). Coculturing enhanced the production of ROS in MMNK-1 cells depending on the cell concentration of H. bilis (1.0 vs. 1.17 ± 0.06, p < .05); however, DNA injury was not observed in cocultures with H. bilis (5.35 ± 0.87 vs. 6.08 ± 0.55 pg/μl, p = .06). CONCLUSIONS Helicobacter bilis infection induced ROS production in and enhanced the proliferation of cholangiocytes.
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Affiliation(s)
- Mampei Yamashita
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Tomohiko Adachi
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Shinichiro Ono
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kyohei Yoshino
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Hajime Imamura
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Hajime Matsushima
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takayuki Tanaka
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Taichiro Kosaka
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Akihiko Soyama
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Masaaki Hidaka
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kengo Kanetaka
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Susumu Eguchi
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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Neubert V, Sadek A, Burell T, Ralser A, Erhard M, Gerhard M, Seidel K, Kalali B. Validation and improvement of a multiplex PCR method to detect murine Helicobacter species in feces samples of mice. Helicobacter 2022; 27:e12888. [PMID: 35363924 DOI: 10.1111/hel.12888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 02/28/2022] [Accepted: 03/15/2022] [Indexed: 12/09/2022]
Abstract
BACKGROUND Murine Helicobacter species have gained increasing awareness in mouse facilities over the last years. Infections with Helicobacter species may have an impact effect on the health of mice and might pose a zoonotic risk to researchers. To minimize the interference with experiments and hence contribute to the 3Rs, a reliable method of monitoring Helicobacter infections in animal facilities needs to be available. The aim of this study was to improve and validate the detection of the most common murine Helicobacter species. MATERIAL AND METHODS A multiplex PCR assay was developed for identification of Helicobacter hepaticus, H. bilis, H. muridarum, H. rodentium, and H. typhlonius that could simultaneously detect these five strains in fecal samples. To ensure the quality of the results, the method was validated based on recommendations for in-house developed tests. RESULTS The method established was highly sensitive and specific. All five strains were detectable with a detection limit of 102 bacteria. Eight different mouse facilities were tested with the validated assay, and the following prevalence were found: H. rodentium 57%, H. hepaticus 46%, H. typhlonius 17%, H. bilis 12%, and H. muridarum 0%. CONCLUSION The multiplex PCR is a reliable, economic, and time-saving diagnostic tool for routine health monitoring. Further prevalence studies are needed to confirm the high prevalence and hence importance of H. rodentium, as until now this agent is not yet listed in FELASA recommendations.
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Affiliation(s)
- Vanessa Neubert
- Institute for Medical Microbiology, Immunology and Hygiene, Technical University of Munich, Munich, Germany
| | - Ahmed Sadek
- Institute for Medical Microbiology, Immunology and Hygiene, Technical University of Munich, Munich, Germany
| | - Teresa Burell
- Institute for Medical Microbiology, Immunology and Hygiene, Technical University of Munich, Munich, Germany
| | - Anna Ralser
- Institute for Medical Microbiology, Immunology and Hygiene, Technical University of Munich, Munich, Germany
| | - Michael Erhard
- Department of Veterinary Sciences, Chair of Animal Welfare, Ethology, Animal Hygiene and Animal Housing, Ludwig-Maximilians-University, Munich, Germany
| | - Markus Gerhard
- Institute for Medical Microbiology, Immunology and Hygiene, Technical University of Munich, Munich, Germany.,German Center for Infection Research, Partner Site Munich, Munich, Germany
| | - Karin Seidel
- Institute for Medical Microbiology, Immunology and Hygiene, Technical University of Munich, Munich, Germany
| | - Behnam Kalali
- Institute for Medical Microbiology, Immunology and Hygiene, Technical University of Munich, Munich, Germany
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Liu J, Zhang Y. Intratumor microbiome in cancer progression: current developments, challenges and future trends. Biomark Res 2022; 10:37. [PMID: 35642013 PMCID: PMC9153132 DOI: 10.1186/s40364-022-00381-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 05/01/2022] [Indexed: 11/29/2022] Open
Abstract
Cancer is a complicated disease attributed to multifactorial changes, which causes difficulties with treatment strategies. Various factors have been regarded as the main contributors, and infectious etiological factors have recently attracted interest. Several microbiomes contribute to carcinogenesis, cancer progression, and modulating cancer treatment by inducing cancerous epithelial cells and chronic inflammation. Most of our knowledge on the role of microbiota in tumor oncogenesis and clinical efficiency is associated with the intestinal microbiome. However, compelling evidence has also confirmed the contribution of the intratumor microbiome in cancer. Indeed, the findings of clinical tumor samples, animal models, and studies in vitro have revealed that many intratumor microbiomes promote tumorigenesis and immune evasion. In addition, the intratumor microbiome participates in regulating the immune response and even affects the outcomes of cancer treatment. This review summarizes the interplay between the intratumor microbiota and cancer, focusing on the contribution and mechanism of intratumor microbiota in cancer initiation, progression, and potential applications to cancer therapy.
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Affiliation(s)
- Jinyan Liu
- Biotherapy Center and Cancer Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yi Zhang
- Biotherapy Center and Cancer Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China. .,State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou, Henan, China.
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Jing J, Zhang L, Han L, Wang J, Zhang W, Liu Z, Gao A. Polystyrene micro-/nanoplastics induced hematopoietic damages via the crosstalk of gut microbiota, metabolites, and cytokines. ENVIRONMENT INTERNATIONAL 2022; 161:107131. [PMID: 35149446 DOI: 10.1016/j.envint.2022.107131] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 01/29/2022] [Accepted: 02/02/2022] [Indexed: 06/14/2023]
Abstract
Micro-/nanoplastics (MNPLs), novel environmental pollutants, widely exist in the environment and life and bring health risks. Previous studies have shown that NMPLs can penetrate bone marrow, but whether they cause hematopoietic damage remains uncertain. In this study, C57BL/6J mice were treated with polystyrene MNPLs (PS-MNPLs, 10 μm, 5 μm and 80 nm) at 60 μg doses for 42 days by intragastric administration. We evaluated the hematopoietic toxicity induced by MNPLs and potential mechanisms via combining 16S rRNA, metabolomics, and cytokine chips. The results demonstrated that PS-MNPLs induced hematopoietic toxicity, which was manifested by the disorder of bone marrow cell arrangement, the reduction in colony-forming, self-renewal and differentiation capacity, and the increased proportion of lymphocytes. PS-MNPLs also disrupted the homeostasis of the gut microbiota, metabolism, and inflammation, all of which were correlated with hematotoxicity, suggesting that abnormal gut microbiota-metabolite-cytokine axes might be the crucial pathways in MNPLs-induced hematopoietic injury. In conclusion, our study systematically demonstrated that multi-scale PS-MNPLs induced hematopoietic toxicity via the crosstalk of gut microbiota, metabolites, and cytokines and provided valuable insights into MNPLs toxicity, which was conducive to health risk assessment and informed policy decisions regarding PS-MNPLs.
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Affiliation(s)
- Jiaru Jing
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing 10069, PR China
| | - Lei Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Lin Han
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Jingyu Wang
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Wei Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Ziyan Liu
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China
| | - Ai Gao
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China.
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10
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Wheatley RC, Kilgour E, Jacobs T, Lamarca A, Hubner RA, Valle JW, McNamara MG. Potential influence of the microbiome environment in patients with biliary tract cancer and implications for therapy. Br J Cancer 2022; 126:693-705. [PMID: 34663949 PMCID: PMC8888758 DOI: 10.1038/s41416-021-01583-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/16/2021] [Accepted: 10/04/2021] [Indexed: 12/25/2022] Open
Abstract
Biliary tract cancers, including intra- and extra-hepatic cholangiocarcinoma as well as gallbladder cancer, are associated with poor prognosis and the majority of patients present with advanced-stage, non-resectable disease at diagnosis. Biliary tract cancer may develop through an accumulation of genetic and epigenetic alterations and can be influenced by microbial exposure. Furthermore, the liver and biliary tract are exposed to the gastrointestinal microbiome through the gut-liver axis. The availability of next-generation sequencing technology has led to an increase in studies investigating the relationship between microbiota and human disease. In particular, the interplay between the microbiome, the tumour micro-environment and response to systemic therapy is a prospering area of interest. Given the poor outcomes for patients with biliary tract cancer, this emerging field of research, through which new biomarkers may be identified, offers potential as a tool for early diagnosis, prognostication or even as a future therapeutic target. This review summarises the available evidence on the microbiome environment in patients with biliary tract cancer, including a discussion around confounding factors, implications for therapy and proposed future directions.
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Affiliation(s)
- Roseanna C Wheatley
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology Medicine and Health, The University of Manchester, Manchester, UK
- Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - Elaine Kilgour
- Cancer Research UK Manchester Institute Cancer Biomarker Centre, University of Manchester, Alderley Park, UK
| | - Timothy Jacobs
- The Library, The Christie NHS Foundation Trust, Manchester, UK
| | - Angela Lamarca
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology Medicine and Health, The University of Manchester, Manchester, UK
- Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - Richard A Hubner
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology Medicine and Health, The University of Manchester, Manchester, UK
- Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - Juan W Valle
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology Medicine and Health, The University of Manchester, Manchester, UK
- Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK
| | - Mairéad G McNamara
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology Medicine and Health, The University of Manchester, Manchester, UK.
- Department of Medical Oncology, The Christie NHS Foundation Trust, Manchester, UK.
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11
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Romo-Gonzalez C, Bustamante-Ogando JC, Yamazaki-Nakashimada MA, Aviles-Jimenez F, Otero-Mendoza F, Espinosa-Rosales FJ, Espinosa-Padilla SE, Scheffler Mendoza SC, Durán-McKinster C, García-Romero MT, Saez-de-Ocariz M, Lopez-Herrera G. Infections With Enterohepatic Non-H. pylori Helicobacter Species in X-Linked Agammaglobulinemia: Clinical Cases and Review of the Literature. Front Cell Infect Microbiol 2022; 11:807136. [PMID: 35186782 PMCID: PMC8855360 DOI: 10.3389/fcimb.2021.807136] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 12/03/2021] [Indexed: 11/29/2022] Open
Abstract
The genus Helicobacter is classified into two main groups according to its habitat: gastric and enterohepatic. Patients with X-linked agammaglobulinemia (XLA) appear to be associated with invasive infection with enterohepatic non-Helicobacter pylori species (NHPH), mainly H. cinaedi and H. bilis. Such infections are difficult to control and have a high potential for recurrence. The spectrum of illnesses caused by these species includes recurrent fever, bacteremia, arthritis, osteomyelitis, cellulitis, abdominal abscesses, and pyoderma gangrenosum-like ulcer. The presence of these Helicobacters is particularly difficult to diagnose and eradicate, as they are very fastidious bacteria and present resistance to several types of antibiotics. We report two clinical cases of XLA patients infected with H. bilis. These infections were chronic in these patients and could not be eradicated in one of them. We also review the cases of enterohepatic non-Helicobacter pylori species (NHPH) in patients with this inborn error of immunity.
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Affiliation(s)
- Carolina Romo-Gonzalez
- Laboratory of Experimental Bacteriology, National Institute of Pediatrics, Mexico City, Mexico
| | | | | | - Francisco Aviles-Jimenez
- Medical Unit in Infectious and Parasitic Diseases, High Specialty Medical Unit (UMAE) Pediatrics, National Medical Center (CMN) XXI Century, Mexican Social Security Institute (IMSS), Mexico City, Mexico
| | | | | | | | | | | | | | | | - Gabriela Lopez-Herrera
- Immunodeficiency Research Unit, National Institute of Pediatrics, Mexico City, Mexico
- *Correspondence: Gabriela Lopez-Herrera,
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12
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Osaki T, Lin Y, Sasahira N, Ueno M, Yonezawa H, Hojo F, Okuda M, Matsuyama M, Sasaki T, Kobayashi S, Tezuka S, Tanaka K, Dan N, Kuruma S, Egawa N, Kamiya S, Kikuchi S. Prevalence estimates of Helicobacter species infection in pancreatic and biliary tract cancers. Helicobacter 2022; 27:e12866. [PMID: 35005807 PMCID: PMC9285378 DOI: 10.1111/hel.12866] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 11/09/2021] [Accepted: 12/07/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND Helicobacter pylori infection is a well-established risk factor for gastric cancer and has been linked to other gastrointestinal diseases, including pancreatic and biliary tract cancers; however, the relevance of enterohepatic non-H. pylori helicobacters to the pathophysiology of these diseases remains unclear. MATERIALS AND METHODS We estimated the prevalence of two enterohepatic non-H. pylori helicobacters (Helicobacter hepaticus and Helicobacter bilis) in the framework of a hospital-based case-control study involving 121 patients with biliary tract cancer, pancreatic cancer, or other gastrointestinal diseases. Bile and blood samples were collected from the patients undergoing endoscopic retrograde cholangiopancreatography. The presence of H. bilis, H. hepaticus, and other Helicobacter spp. was examined using bacterial culture, PCR-based detection, and serological tests. RESULTS Culture of Helicobacter spp. from biliary brush samples was unsuccessful. Approximately 13.0% (15/115) of the bile samples collected from patients with a variety of gastrointestinal cancers, including pancreatic and biliary tract cancers, tested positive for one of the enterohepatic non-H. pylori helicobacter species as determined by PCR. Specifically, H. bilis and H. hepaticus DNA were detected in 11 and 4 bile samples, respectively. Approximately 20%-40% of the patients tested positive for serum non-H. pylori helicobacter IgG antibodies. The seroprevalence of H. bilis and H. hepaticus in the patients without evidence of H. pylori infection appeared to be higher in the pancreatic cancer group than in the control group. CONCLUSION Our findings suggest a role for Helicobacter spp., especially H. bilis and H. hepaticus, in the etiology of pancreatic and biliary tract cancers.
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Affiliation(s)
- Takako Osaki
- Department of Infectious DiseasesKyorin University School of MedicineTokyoJapan
| | - Yingsong Lin
- Department of Public HealthAichi Medical University School of MedicineAichiJapan
| | - Naoki Sasahira
- Department of Hepato‐Biliary‐Pancreatic MedicineCancer Institute Hospital of Japanese Foundation for Cancer ResearchTokyoJapan
| | - Makoto Ueno
- Division of Hepatobiliary and Pancreatic Medical OncologyKanagawa Cancer CenterYokohamaJapan
| | - Hideo Yonezawa
- Department of Infectious DiseasesKyorin University School of MedicineTokyoJapan
| | - Fuhito Hojo
- Graduate School of MedicineInstitute of Laboratory AnimalsKyorin UniversityTokyoJapan
| | - Masumi Okuda
- Department of PediatricsHyogo College of MedicineHyogoJapan
| | - Masato Matsuyama
- Department of Hepato‐Biliary‐Pancreatic MedicineCancer Institute Hospital of Japanese Foundation for Cancer ResearchTokyoJapan
| | - Takashi Sasaki
- Department of Hepato‐Biliary‐Pancreatic MedicineCancer Institute Hospital of Japanese Foundation for Cancer ResearchTokyoJapan
| | - Satoshi Kobayashi
- Division of Hepatobiliary and Pancreatic Medical OncologyKanagawa Cancer CenterYokohamaJapan
| | - Shun Tezuka
- Division of Hepatobiliary and Pancreatic Medical OncologyKanagawa Cancer CenterYokohamaJapan
| | - Kei Tanaka
- Department of Internal MedicineTokyo Metropolitan Ohtsuka HospitalTokyoJapan
| | - Naoaki Dan
- Department of Internal MedicineTokyo Metropolitan Ohtsuka HospitalTokyoJapan
| | - Sawako Kuruma
- Department of Internal MedicineTokyo Metropolitan Komagome HospitalTokyoJapan
| | - Naoto Egawa
- Department of Internal MedicineTokyo Metropolitan Matsuzawa HospitalTokyoJapan
| | - Shigeru Kamiya
- Department of Infectious DiseasesKyorin University School of MedicineTokyoJapan
| | - Shogo Kikuchi
- Department of Public HealthAichi Medical University School of MedicineAichiJapan
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13
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Ochoa S, Collado L. Enterohepatic Helicobacter species - clinical importance, host range, and zoonotic potential. Crit Rev Microbiol 2021; 47:728-761. [PMID: 34153195 DOI: 10.1080/1040841x.2021.1924117] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The genus Helicobacter defined just over 30 years ago, is a highly diverse and fast-growing group of bacteria that are able to persistently colonize a wide range of animals. The members of this genus are subdivided into two groups with different ecological niches, associated pathologies, and phylogenetic relationships: the gastric Helicobacter (GH) and the enterohepatic Helicobacter (EHH) species. Although GH have been mostly studied, EHH species have become increasingly important as emerging human pathogens and potential zoonotic agents in the last years. This group of bacteria has been associated with the development of several diseases in humans from acute pathologies like gastroenteritis to chronic pathologies that include inflammatory bowel disease, and liver and gallbladder diseases. However, their reservoirs, as well as their routes of transmission, have not been well established yet. Therefore, this review summarizes the current knowledge of taxonomy, epidemiology, and clinical role of the EHH group.
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Affiliation(s)
- Sofia Ochoa
- Faculty of Sciences, Institute of Biochemistry and Microbiology, Universidad Austral de Chile, Valdivia, Chile.,ANID - Millennium Science Initiative Program - Millennium Nucleus in the Biology of the Intestinal Microbiota, Santiago, Chile
| | - Luis Collado
- Faculty of Sciences, Institute of Biochemistry and Microbiology, Universidad Austral de Chile, Valdivia, Chile.,ANID - Millennium Science Initiative Program - Millennium Nucleus in the Biology of the Intestinal Microbiota, Santiago, Chile
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14
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Ketpueak T, Thiennimitr P, Apaijai N, Chattipakorn SC, Chattipakorn N. Association of Chronic Opisthorchis Infestation and Microbiota Alteration on Tumorigenesis in Cholangiocarcinoma. Clin Transl Gastroenterol 2020; 12:e00292. [PMID: 33464733 PMCID: PMC8345922 DOI: 10.14309/ctg.0000000000000292] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 11/10/2020] [Indexed: 12/24/2022] Open
Abstract
Cholangiocarcinoma (CCA) is a common hepatobiliary cancer in East and Southeast Asia. The data of microbiota contribution in CCA are still unclear. Current available reports have demonstrated that an Opisthorchis viverrini (OV) infection leads to dysbiosis in the bile duct. An increase in the commensal bacteria Helicobacter spp. in OV-infected CCA patients is associated with bile duct inflammation, severity of bile duct fibrosis, and cholangiocyte proliferation. In addition, secondary bile acids, major microbial metabolites, can mediate cholangiocyte inflammation and proliferation in the liver. A range of samples from CCA patients (stool, bile, and tumor) showed different degrees of dysbiosis. The evidence from these samples suggests that OV infection is associated with alterations in microbiota and could potentially have a role in CCA. In this comprehensive review, reports from in vitro, in vivo, and clinical studies that demonstrate possible links between OV infection, microbiota, and CCA pathogenesis are summarized and discussed. Understanding these associations may pave ways for novel potential adjunct intervention in gut microbiota in CCA patients.
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Affiliation(s)
- Thanika Ketpueak
- Division of Oncology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Parameth Thiennimitr
- Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Nattayaporn Apaijai
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Siriporn C. Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
- Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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15
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Peng W, Li H, Xu Y, Yan L, Tang Z, Hossein Mohseni A, Taghinezhad-S S, Tang X, Fu X. Association of Helicobacter bilis Infection with the Development of Colorectal Cancer. Nutr Cancer 2020; 73:2785-2795. [PMID: 33325271 DOI: 10.1080/01635581.2020.1862253] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The role of Helicobacter_bilis (H.bilis) in the development of inflammatory bowel disease (IBD) and colitis-associated carcinogenesis (CAC) has seldom been investigated. We examined the abundance of H.bilis in 58 colorectal cancers (CRCs), 20 IBDs, 40 cases of normal colorectal mucosa (NCs), and 20 adenomas (ADs) by 16S rRNA fluorescence in situ hybridization (FISH). Number of CD4+CD45RB+T cell and expression of IFN-γ and TNF-α in these tissues was determined by immunofluorescence. The abundance of H.bilis was significantly higher in CRCs than that in IBDs (P = 0.006), ADs (P < 0.001) and NCs (P < 0.0001). The abundance of H.bilis in IBDs was significantly higher than that in ADs (P = 0.013). Moreover, the average number of CD4+CD45RB+T cell was significantly higher in CRCs than that in IBDs (P = 0.017) and NCs (P = 0.009). In addition, there was a positive correlation between the H.bilis abundance and density of CD4+CD45RB+T cells in 30 colorectal tissues (P < 0.0001). The frequency of co-staining for CD4+CD45RB+T cells and IFN-γ was significantly higher in H.bilis positive group than that in H.bilis negative group (P = 0.002). H.bilis may play a role in the initiation of IBD and CAC, possibly through promoting the transformation of T cells into CD4+CD45RB+T cells and increasing the expression of proinflammatory cytokines IFN-γ.
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Affiliation(s)
- Wei Peng
- Department of Gastroenterology, the Affiliated Hospital of Southwest Medical University, Sichuan, China
| | - Huan Li
- Department of Gastroenterology, the Affiliated Hospital of Southwest Medical University, Sichuan, China
| | - Yun Xu
- Department of Gastroenterology, the People's Hospital of Guangan City, Sichuan, China
| | - Li Yan
- Digestive Endoscopy Center, the Affiliated Hospital of North Sichuan Medical College, Sichuan, China
| | - Zhenzhen Tang
- Digestive Endoscopy Center, the Affiliated Hospital of North Sichuan Medical College, Sichuan, China
| | - Amir Hossein Mohseni
- Digestive Endoscopy Center, the Affiliated Hospital of North Sichuan Medical College, Sichuan, China
| | - Sedigheh Taghinezhad-S
- Digestive Endoscopy Center, the Affiliated Hospital of North Sichuan Medical College, Sichuan, China
| | - Xiaowei Tang
- Department of Gastroenterology, the Affiliated Hospital of Southwest Medical University, Sichuan, China
| | - Xiangsheng Fu
- Department of Gastroenterology, the Affiliated Hospital of Southwest Medical University, Sichuan, China.,Digestive Endoscopy Center, the Affiliated Hospital of North Sichuan Medical College, Sichuan, China
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16
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The microbiome, genetics, and gastrointestinal neoplasms: the evolving field of molecular pathological epidemiology to analyze the tumor-immune-microbiome interaction. Hum Genet 2020; 140:725-746. [PMID: 33180176 DOI: 10.1007/s00439-020-02235-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 10/23/2020] [Indexed: 02/06/2023]
Abstract
Metagenomic studies using next-generation sequencing technologies have revealed rich human intestinal microbiome, which likely influence host immunity and health conditions including cancer. Evidence indicates a biological link between altered microbiome and cancers in the digestive system. Escherichia coli and Bacteroides fragilis have been found to be enriched in colorectal mucosal tissues from patients with familial adenomatous polyposis that is caused by germline APC mutations. In addition, recent studies have found enrichment of certain oral bacteria, viruses, and fungi in tumor tissue and fecal specimens from patients with gastrointestinal cancer. An integrative approach is required to elucidate the role of microorganisms in the pathogenic process of gastrointestinal cancers, which develop through the accumulation of somatic genetic and epigenetic alterations in neoplastic cells, influenced by host genetic variations, immunity, microbiome, and environmental exposures. The transdisciplinary field of molecular pathological epidemiology (MPE) offers research frameworks to link germline genetics and environmental factors (including diet, lifestyle, and pharmacological factors) to pathologic phenotypes. The integration of microbiology into the MPE model (microbiology-MPE) can contribute to better understanding of the interactive role of environment, tumor cells, immune cells, and microbiome in various diseases. We review major clinical and experimental studies on the microbiome, and describe emerging evidence from the microbiology-MPE research in gastrointestinal cancers. Together with basic experimental research, this new research paradigm can help us to develop new prevention and treatment strategies for gastrointestinal cancers through targeting of the microbiome.
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17
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Whary MT, Wang C, Ruff CF, DiVincenzo MJ, Labriola C, Ge L, Feng Y, Ge Z, Bakthavatchalu V, Muthupalani S, Horwitz BH, Fox JG. Effects of Colonization of Gnotobiotic Swiss Webster Mice with Helicobacter bilis. Comp Med 2020; 70:216-232. [PMID: 32349859 DOI: 10.30802/aalas-cm-19-000087] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Helicobacter bilis (Hb) causes hepatitis in some strains of inbred mice. The current study confirmed that Hb directly causes portal hepatitis in outbred gnotobiotic Swiss Webster (SW) mice, as we previously reported for conventional SW mice. Hbmonoassociated SW mice also developed mild enterocolitis, expanded gut-associated lymphoid tissue (GALT), and tertiary lymphoid tissue in the lower bowel. At 1 and 10 mo after infection, Hb-induced GALT hyperplasia exhibited well-organized, ectopic germinal centers with increased mononuclear cell apoptosis, MHC class II antigen presentation, and pronounced endothelial venule formation, consistent with features of tertiary lymphoid tissue. In the lower bowel, Hb induced mainly B220+ cells as well as CD4+ IL17+, CD4+ IFNγ+, and CD4+ FoxP3+ regulatory T cells and significantly increased IL10 mRNA expression. This gnotobiotic model confirmed that Hb causes portal hepatitis in outbred SW mice but stimulated GALT with an antiinflammatory bias. Because Hb had both anti- and proinflammatory effects on GALT, it should be considered a 'pathosymbiont provocateur' and merits further evaluation in mouse models of human disease.
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Affiliation(s)
- Mark T Whary
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts;,
| | - Chuanwu Wang
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Catherine F Ruff
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Mallory J DiVincenzo
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Caralyn Labriola
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Lillian Ge
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Yan Feng
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Zhongming Ge
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Vasu Bakthavatchalu
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Suresh Muthupalani
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Bruce H Horwitz
- Department of Pediatrics, Harvard School of Medicine, Boston, Massachusetts; Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts
| | - James G Fox
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
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18
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Abstract
Transcription factors (TFs) are proteins that control the transcription of genetic information from DNA to mRNA by binding to specific DNA sequences either on their own or with other proteins as a complex. TFs thus support or suppress the recruitment of the corresponding RNA polymerase. In general, TFs are classified by structure or function. The TF, Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), is expressed in all cell types and tissues. NF-κB signaling and crosstalk are involved in several steps of carcinogenesis including in sequences involving pathogenic stimulus, chronic inflammation, fibrosis, establishment of its remodeling to the precancerous niche (PCN) and transition of a normal cell to a cancer cell. Triggered by various inflammatory cytokines, NF-κB is activated along with other TFs with subsequent stimulation of cell proliferation and inhibition of apoptosis. The involvement of NF-κB in carcinogenesis provides an opportunity to develop anti-NF-κB therapies. The complexity of these interactions requires that we elucidate those aspects of NF-κB interactions that play a role in carcinogenesis, the sequence of events leading to cancer.
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19
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Abstract
Common marmosets are susceptible to a number of bacterial infections, which may be enzootic, causing sporadic but occasionally severe disease, or which may result in epizootics associated with more severe colony morbidity and mortality. The spectrum of these diseases often differs from those observed in macaque species, and veterinarians caring for common marmosets need to be aware of these unique susceptibilities. In formulating differential diagnoses for sick or diseased animals, it should be recognized that diseases once common in imported animals in the 1960s and 1970s are now rare. It is also important to recognize that housing and sanitation conditions can influence exposure to potentially pathogenic bacteria. In a zoological setting where mixed- or free-ranging exhibits are utilized, animals may be exposed to many more potential pathogens than would be the case in animals raised in a barrier facility.
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20
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The Curious Case of Cholangiocarcinoma: Opportunities for Environmental Health Scientists to Learn about a Complex Disease. JOURNAL OF ENVIRONMENTAL AND PUBLIC HEALTH 2018; 2018:2606973. [PMID: 30158988 PMCID: PMC6109541 DOI: 10.1155/2018/2606973] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 07/17/2018] [Indexed: 02/07/2023]
Abstract
Deaths from complex, noncommunicable diseases such as cancer are predicted to continue to increase worldwide, with low- and middle-income countries bearing the brunt of the burden. This problem requires a concentrated global effort to avoid devastating losses of life as well as economic losses. Cholangiocarcinoma (CCA) is a readily studied model of complex, noncommunicable disease, but it receives little attention outside of the scientific community in Southeast Asia. Here, we bring attention to the opportunity to study CCA as a model to understand the role of multiple, complex factors in cancer. These factors include allostatic load, individual genetic susceptibility, and environmental exposures such as chemicals, diet, socioeconomic factors, and psychosocial stress. The study of CCA offers a unique opportunity to make novel observations that could advance progress in prevention and intervention approaches for prevalent diseases that involve complex, multifactorial interactions.
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21
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Degand N, Dautremer J, Pilmis B, Ferroni A, Lanternier F, Bruneau J, Hermine O, Blanche S, Nassif X, Lortholary O, Lecuit M. Helicobacter bilis-Associated Suppurative Cholangitis in a Patient with X-Linked Agammaglobulinemia. J Clin Immunol 2017; 37:727-731. [DOI: 10.1007/s10875-017-0437-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Accepted: 08/21/2017] [Indexed: 12/31/2022]
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22
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Wang M, Fang M, Zhu J, Feng H, Warner E, Yi C, Ji J, Gu X, Gao C. Serum N
-glycans outperform CA19-9 in diagnosis of extrahepatic cholangiocarcinoma. Electrophoresis 2017; 38:2749-2756. [PMID: 28752594 DOI: 10.1002/elps.201700084] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 06/23/2017] [Accepted: 07/19/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Mengmeng Wang
- Department of Laboratory Medicine, Eastern Hepatobiliary Hospital; Second Military Medical University; Shanghai P. R. China
- Department of Surgery; University of Michigan Medical Center; Ann Arbor MI USA
| | - Meng Fang
- Department of Laboratory Medicine, Eastern Hepatobiliary Hospital; Second Military Medical University; Shanghai P. R. China
| | - Jianhui Zhu
- Department of Surgery; University of Michigan Medical Center; Ann Arbor MI USA
| | - Huijuan Feng
- Department of Laboratory Medicine, Eastern Hepatobiliary Hospital; Second Military Medical University; Shanghai P. R. China
| | - Elisa Warner
- Department of Surgery; University of Michigan Medical Center; Ann Arbor MI USA
- Department of Epidemiology; University of Michigan School of Public Health; Ann Arbor MI USA
| | - Changhong Yi
- Department of Laboratory Medicine, Eastern Hepatobiliary Hospital; Second Military Medical University; Shanghai P. R. China
| | - Jun Ji
- Department of Laboratory Medicine, Eastern Hepatobiliary Hospital; Second Military Medical University; Shanghai P. R. China
| | - Xing Gu
- Department of Laboratory Medicine, Eastern Hepatobiliary Hospital; Second Military Medical University; Shanghai P. R. China
| | - Chunfang Gao
- Department of Laboratory Medicine, Eastern Hepatobiliary Hospital; Second Military Medical University; Shanghai P. R. China
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23
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Mima K, Nakagawa S, Sawayama H, Ishimoto T, Imai K, Iwatsuki M, Hashimoto D, Baba Y, Yamashita YI, Yoshida N, Chikamoto A, Baba H. The microbiome and hepatobiliary-pancreatic cancers. Cancer Lett 2017; 402:9-15. [PMID: 28527946 DOI: 10.1016/j.canlet.2017.05.001] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Revised: 04/29/2017] [Accepted: 05/11/2017] [Indexed: 02/07/2023]
Abstract
The human intestinal microbiome encompasses at least 100 trillion microorganisms that can influence host immunity and disease conditions, including cancer. Hepatobiliary and pancreatic cancers have been associated with poor prognosis owing to their high level of tumor invasiveness, distant metastasis, and resistance to conventional treatment options, such as chemotherapy. Accumulating evidence from animal models suggests that specific microbes and microbial dysbiosis can potentiate hepatobiliary-pancreatic tumor development by damaging DNA, activating oncogenic signaling pathways, and producing tumor-promoting metabolites. Emerging evidence suggests that the gut microbiota may influence not only the efficacy of cancer chemotherapies and novel targeted immunotherapies such as anti-CTLA4 and anti-CD274 therapies but also the occurrence of postoperative complications after hepatobiliary and pancreatic surgery, which have been associated with tumor recurrence and worse patient survival in hepatobiliary-pancreatic cancers. Hence, a better understanding of roles of the gut microbiota in the development and progression of hepatobiliary-pancreatic tumors may open opportunities to develop new prevention and treatment strategies for patients with hepatobiliary-pancreatic cancer through manipulating the gut microbiota by diet, lifestyle, antibiotics, and pro- and prebiotics.
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Affiliation(s)
- Kosuke Mima
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Shigeki Nakagawa
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Hiroshi Sawayama
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Takatsugu Ishimoto
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Katsunori Imai
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Masaaki Iwatsuki
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Daisuke Hashimoto
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Yoshifumi Baba
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Yo-Ichi Yamashita
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Naoya Yoshida
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Akira Chikamoto
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Hideo Baba
- Department of Gastroenterological Surgery, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan.
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24
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Kaewpitoon SJ, Loyd RA, Rujirakul R, Panpimanmas S, Matrakool L, Tongtawee T, Kootanavanichpong N, Pengsaa P, Kompor P, Chavengkun W, Kujapun J, Norkaew J, Ponphimai S, Padchasuwan N, Polsripradist P, Eksanti T, Phatisena T, Kaewpitoon N. Helicobacter Species are Possible Risk Factors of Cholangiocarcinoma. Asian Pac J Cancer Prev 2016; 17:37-44. [PMID: 26838240 DOI: 10.7314/apjcp.2016.17.1.37] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Several infectious agents are considered to be causes of cancer in human, mainly hepatitis B and C viruses, high-risk human pailloma viruses, Helicobacter pylori, Clonorchis sinensis, and Opisthorchis viverrini. Here we described the evident research and the association between Helicobacter spp. and biliary tract cancer particularly cholangiocarcinoma (CCA). Global epidemiological studies have suggested that Helicobacter spp. are possible risk factors for biliary tract diseases. Molecular studies support a linkage of Helicobacter spp. with CCA development. H. pylori, H. bilis, and H. hepaticus, are found in CCA, but the most common species are H. pylori and H. bilis. The type of CCA are associated with Helicobacter spp. include extrahepatic CCA, and common bile duct cancer. Up to the present, however, the results from different regions, materials and methods, sub-sites of cancer, and controls have not been consistent, thus introducing heterogeneity. Therefore, a comparison between co-Helicobacter spp.-CCA in the countries with low and high incident of CCA is required to settle the question. Furthermore, clarifying variation in the role of Helicobacter species in this CCA, including pathogenesis of CCA through enhanced biliary cell inflammation and proliferation, is necessary.
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Affiliation(s)
- Soraya J Kaewpitoon
- School of Family Medicine and Community Medicine, Suranaree University of Technology, Thailand E-mail :
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25
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Kwon RJ, Han ME, Kim JY, Liu L, Kim YH, Jung JS, Oh SO. ZHX1 Promotes the Proliferation, Migration and Invasion of Cholangiocarcinoma Cells. PLoS One 2016; 11:e0165516. [PMID: 27835650 PMCID: PMC5105949 DOI: 10.1371/journal.pone.0165516] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 10/13/2016] [Indexed: 02/06/2023] Open
Abstract
Zinc-fingers and homeoboxes 1 (ZHX1) is a transcription repressor that has been associated with the progressions of hepatocellular carcinoma, gastric cancer, and breast cancer. However, the functional roles of ZHX1 in cholangiocarcinoma (CCA) have not been determined. We investigated the expression and roles of ZHX1 during the proliferation, migration, and invasion of CCA cells. In silico analysis and immunohistochemical studies showed amplification and overexpression of ZHX1 in CCA tissues. Furthermore, ZHX1 knockdown using specific siRNAs decreased CCA cell proliferation, migration, and invasion, whereas ZHX1 overexpression promoted all three characteristics. In addition, results suggested EGR1 might partially mediate the effect of ZHX1 on the proliferation of CCA cells. Taken together, these results show ZHX1 promotes CCA cell proliferation, migration, and invasion, and present ZHX1 as a potential target for the treatment of CCA.
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Affiliation(s)
- Ryuk-Jun Kwon
- Department of Anatomy, School of Medicine, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
- Gene & Therapy Research Center for Vessel-associated Diseases, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
| | - Myoung-Eun Han
- Department of Anatomy, School of Medicine, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
- Gene & Therapy Research Center for Vessel-associated Diseases, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
| | - Ji-young Kim
- Department of Anatomy, School of Medicine, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
- Gene & Therapy Research Center for Vessel-associated Diseases, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
| | - Liangwen Liu
- Department of Anatomy, School of Medicine, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
- Gene & Therapy Research Center for Vessel-associated Diseases, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
| | - Yun-Hak Kim
- Department of Anatomy, School of Medicine, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
- Gene & Therapy Research Center for Vessel-associated Diseases, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
| | - Jin-Sup Jung
- Department of Physiology, School of Medicine, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
| | - Sae-Ock Oh
- Department of Anatomy, School of Medicine, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
- Gene & Therapy Research Center for Vessel-associated Diseases, Pusan National University, Busandaehak-ro 49, Mulgeum-eup, Yangsan, 50612, Republic of Korea
- * E-mail:
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26
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Woods SE, Ek C, Shen Z, Feng Y, Ge Z, Muthupalani S, Whary MT, Fox JG. Male Syrian Hamsters Experimentally Infected with Helicobacter spp. of the H. bilis Cluster Develop MALT-Associated Gastrointestinal Lymphomas. Helicobacter 2016; 21:201-17. [PMID: 26348390 PMCID: PMC4783298 DOI: 10.1111/hel.12265] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Aged hamsters naturally infected with novel Helicobacter spp. classified in the H. bilis cluster develop hepatobiliary lesions and typhlocolitis. METHODS To determine whether enterohepatic H. spp. contribute to disease, Helicobacter-free hamsters were experimentally infected with H. spp. after suppression of intestinal bacteria by tetracycline treatment of dams and pups. After antibiotic withdrawal, weanlings were gavaged with four H. bilis-like Helicobacter spp. isolated from hamsters or H. bilis ATCC 43879 isolated from human feces and compared to controls (n = 7 per group). RESULTS Helicobacter bilis 43879-dosed hamsters were necropsied at 33 weeks postinfection (WPI) due to the lack of detectable infection by fecal PCR; at necropsy, 5 of 7 were weakly PCR positive but lacked intestinal lesions. The remaining hamsters were maintained for ~95 WPI; chronic H. spp. infection in hamsters (6/7) was confirmed by PCR, bacterial culture, fluorescent in situ hybridization, and ELISA. Hamsters had mild-to-moderate typhlitis, and three of the male H. spp.-infected hamsters developed small intestinal lymphoma, in contrast to one control. Of the three lymphomas in H. spp.-infected hamsters, one was a focal ileal mucosa-associated lymphoid tissue (MALT) B-cell lymphoma, while the other two were multicentric small intestinal large B-cell lymphomas involving both the MALT and extra-MALT mucosal sites with lymphoepithelial lesions. The lymphoma in the control hamster was a diffuse small intestinal lymphoma with a mixed population of T and B cells. CONCLUSIONS Results suggest persistent H. spp. infection may augment risk for gastrointestinal MALT origin lymphomas. This model is consistent with H. pylori/heilmannii-associated MALT lymphoma in humans and could be further utilized to investigate the mechanisms of intestinal lymphoma development.
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Affiliation(s)
- Stephanie E Woods
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Courtney Ek
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Zeli Shen
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Yan Feng
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Zhongming Ge
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | | | - Mark T Whary
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - James G Fox
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
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27
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Avilés-Jiménez F, Guitron A, Segura-López F, Méndez-Tenorio A, Iwai S, Hernández-Guerrero A, Torres J. Microbiota studies in the bile duct strongly suggest a role for Helicobacter pylori in extrahepatic cholangiocarcinoma. Clin Microbiol Infect 2015; 22:178.e11-178.e22. [PMID: 26493848 DOI: 10.1016/j.cmi.2015.10.008] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Revised: 10/01/2015] [Accepted: 10/05/2015] [Indexed: 02/07/2023]
Abstract
Biliary tract cancer or extrahepatic cholangiocarcinoma (ECCA) represents the sixth commonest cause of cancer in the gastrointestinal tract in western countries. We aimed to characterize the microbiota and its predicted associated functions in the biliary tract of ECCA and benign biliary pathology (BBP). Samples were taken from 100 patients with ECCA and 100 patients with BBP by endoscopic cholangio-pancreatography for DNA extraction. Ten patients with ECCA and ten with BBP were selected for microbiota studies using the V4-16S rRNA gene and sequenced in Illumina platform. Microbiota analyses included sample-to-sample distance metrics, ordination/clustering and prediction of functions. Presence of Nesterenkonia sp. and Helicobacter pylori cagA and vacA genes were tested in the 100 ECCA and 100 BBP samples. Phylum Proteobacteria dominated all samples (60.4% average). Ordination multicomponent analyses showed significant microbiota separation between ECCA and BBP (p 0.010). Analyses of 4002 operational taxonomic units with presence variation in at least one category probed a separation of ECCA from BBP. Among these, Nesterenkonia decreased, whereas Methylophilaceae, Fusobacterium, Prevotella, Actinomyces, Novosphingobium and H. pylori increased in ECCA. Predicted associated functions showed increased abundance of H. pylori virulence genes in ECCA. cagA and vacA genes were confirmed by PCR in ECCA and BBP samples. This is the first microbiota report in ECCA and BBP to show significant changes in microbial composition. Bacterial species unusual for human flora were found: Methylophilaceae and Nesterenkonia are reported in hypersaline soils, and Mesorhizobium is a nitrogen-fixing bacterium. Enrichment of virulence genes confirms previous studies suggesting that H. pylori might be associated with ECCA.
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Affiliation(s)
- F Avilés-Jiménez
- Unidad de Investigación en Enfermedades Infecciosas, UMAE Pediatría, IMSS, Mexico
| | - A Guitron
- Departamento de Endoscopía Digestiva, UMAE 71 IMSS, Coahuila, Mexico
| | - F Segura-López
- Departamento de Anestesiología, UMAE 71 IMSS, Coahuila, Mexico
| | - A Méndez-Tenorio
- Laboratorio de Biotecnología y Bioinformática Genómica, ENCB, Instituto Politécnico Nacional, Mexico
| | - S Iwai
- Second Genome, South San Francisco, CA, USA
| | | | - J Torres
- Unidad de Investigación en Enfermedades Infecciosas, UMAE Pediatría, IMSS, Mexico.
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28
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Abstract
In the past year, a substantial number of (putative) novel Helicobacter species have been described, including Helicobacter himalayensis colonizing the Himalayan marmot and Helicobacter apodemus, colonizing the Korean striped field mouse. In addition, a putative novel gastric Helicobacter species was identified in wild gorillas and chimpanzees, for which the name "Candidatus H. homininae" was proposed. A high incidence of gastric non-H. pylori Helicobacter infection was described in China and multiple case reports have described the involvement of enterohepatic Helicobacter species, especially Helicobacter cinaedi, in a wide range of diseases. Several studies in rodent models further elucidated the mechanisms underlying the development of gastric mucosa-associated lymphoid tissue lymphoma during infection with gastric non-H. pylori Helicobacters. The effects of infection with gastric Helicobacters on the development of neuroinflammation were investigated and several enterohepatic Helicobacter species were shown to affect the composition of the gut microbiota, to influence vaccine efficiency as well as the progression of cancer in distant sites of the body.
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Affiliation(s)
- Bram Flahou
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Emiko Rimbara
- Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Shigetarou Mori
- Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Freddy Haesebrouck
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Keigo Shibayama
- Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan
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29
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Shen Z, Feng Y, Sheh A, Everitt J, Bertram F, Paster BJ, Fox JG. Isolation and characterization of a novel Helicobacter species, Helicobacter jaachi sp. nov., from common marmosets (Callithrix jaachus). J Med Microbiol 2015; 64:1063-1073. [PMID: 26297446 DOI: 10.1099/jmm.0.000113] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Purpose-bred common marmosets from domestic sources housed in a US research facility, and used in multiple drug discovery programmes, were noted to have a high incidence of spontaneous inflammatory bowel disease and sporadic cholecystitis and cholangiohepatitis. Inflammatory infiltrates increased in incidence and severity with age. Because Helicobacter spp. have been linked to gastrointestinal diseases, samples from the gastrointestinal tracts of 39 marmosets were screened for Helicobacter spp. by culture and PCR. Helicobacter spp. were frequently detected in marmosets; 28.2% of the marmosets were positive for a proposed novel species, Helicobacter jaachi sp. nov., by culture, and 48.7% were positive by Helicobacter genus-specific PCR. Seventeen strains of Helicobacter sp. from 11 marmosets were cultured from various gastrointestinal sites. Older animals (age 6-11 years) had a higher helicobacter prevalence rate (57.1%) compared with younger animals (age 3-5 years), which had a 27.2% prevalence rate. Cells of H. jaachi sp. nov. were catalase, urease and oxidase positive and had fusiform morphology, with periplasmic fibres and multiple bipolar, sheathed flagella. All isolates had similar 16S and 23S rRNA sequences, which clustered as representatives of a novel Helicobacter species closely related to 'Helicobacter sanguini' (97%), a species isolated from cotton-top tamarins and 'Helicobacter callitrichis' (96%) isolated previously from the faeces of common marmosets. The whole genome sequence of one of the liver isolates, H. jaachi sp. nov. MIT 09-6949(T), had a 1.9 Mb genome length with a 41 mol% DNA G+C content. The type strain of Helicobacter jaachi sp. nov., MIT 09-6949(T), has been deposited in the BCCM/LMG Bacteria Collection as LMG 28613(T). These findings add to the increasing number of animal species with gastrointestinal disease in which novel enterohepatic Helicobacter spp. have been isolated.
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Affiliation(s)
- Zeli Shen
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Yan Feng
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Alexander Sheh
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
| | | | | | | | - James G Fox
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA, USA
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