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Lim KPK, Lee AJL, Jiang X, Teng TZJ, Shelat VG. The link between Helicobacter pylori infection and gallbladder and biliary tract diseases: A review. Ann Hepatobiliary Pancreat Surg 2023; 27:241-250. [PMID: 37357161 PMCID: PMC10472116 DOI: 10.14701/ahbps.22-056] [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: 07/25/2022] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 06/27/2023] Open
Abstract
Helicobacter pylori is a gram-negative pathogen commonly associated with peptic ulcer disease and gastric cancer. H. pylori infection has also been reported in cholelithiasis, cholecystitis, gallbladder polyps, and biliary tract cancers. However, the association between H. pylori and gallbladder and biliary tract pathologies remains unclear due to the paucity of literature. In response to the current literature gap, we aim to review and provide an updated summary of the association between H. pylori with gallbladder and biliary tract diseases and its impact on their clinical management. Relevant peer-reviewed studies were retrieved from Medline, PubMed, Embase, and Cochrane databases. We found that H. pylori infection was associated with cholelithiasis, chronic cholecystitis, biliary tract cancer, primary sclerosing cholangitis, and primary biliary cholangitis but not with gallbladder polyps. While causal links have been reported, prospective longitudinal studies are required to conclude the association between H. pylori and gallbladder pathologies. Clinicians should be aware of the implications that H. pylori infection has on the management of these diseases.
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Affiliation(s)
- Klay Puay Khim Lim
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Aaron Jia Loong Lee
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Xiuting Jiang
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | - Thomas Zheng Jie Teng
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
- Department of General Surgery, Tan Tock Seng Hospital, Singapore
| | - Vishal G. Shelat
- Department of General Surgery, Tan Tock Seng Hospital, Singapore
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2
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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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3
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Zhou BG, Mei YZ, Wang JS, Xia JL, Jiang X, Ju SY, Ding YB. Is Helicobacter pylori infection associated with pancreatic cancer? A systematic review and meta-analysis of observational studies. Ther Adv Chronic Dis 2023; 14:20406223231155119. [PMID: 36890981 PMCID: PMC9986679 DOI: 10.1177/20406223231155119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 01/18/2023] [Indexed: 02/16/2023] Open
Abstract
Background and Objectives Recent observational studies have investigated the association between Helicobacter pylori (H. pylori) infection and pancreatic cancer with conflicting data. Therefore, we conducted a systematic review and meta-analysis to assess the potential association. Design This is a systematic review and meta-analysis. Methods We searched three databases (PubMed, Embase, and Web of Science) from inception to 30 August 2022. The summary results as odds ratio (OR) or hazard ratio (HR) with 95% confidence interval (CI) were pooled by generic inverse variance method based on random-effects model. Results A total of 20 observational studies involving 67,718 participants were included in the meta-analysis. Meta-analysis of data from 12 case-control studies and 5 nested case-control studies showed that there was no significant association between H. pylori infection and the risk of pancreatic cancer (OR = 1.20, 95% CI = 0.95-1.51, p = 0.13). Similarly, we also did not find significant association between cytotoxin-associated gene A (CagA) positive strains, CagA negative strains, vacuolating cytotoxin gene A (VacA) positive strains H. pylori infection, and the risk of pancreatic cancer. Meta-analysis of data from three cohort studies showed that H. pylori infection was not significantly associated with an increased risk of incident pancreatic cancer (HR = 1.26, 95% CI = 0.65-2.42, p = 0.50). Conclusion We found insufficient evidence to support the proposed association between H. pylori infection and increased risk of pancreatic cancer. To better understand any association, future evidence from large, well-designed, high-quality prospective cohort studies that accounts for diverse ethnic populations, certain H. pylori strains, and confounding factors would be useful to settle this controversy.
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Affiliation(s)
- Ben-Gang Zhou
- Dalian Medical University, Dalian, China.,Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China
| | - Yu-Zhou Mei
- Department of Gastroenterology, The People's Hospital of China Three Gorges University, Yichang, China
| | - Jing-Shu Wang
- Department of Gastroenterology, The People's Hospital of China Three Gorges University, Yichang, China
| | - Jian-Lei Xia
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China.,Yangzhou University, Yangzhou, China
| | - Xin Jiang
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou, China.,Yangzhou University, Yangzhou, China
| | - Sheng-Yong Ju
- Affiliated Hospital of Yangzhou University, No. 368, Hanjiang Middle Road, Hanjiang District, Yangzhou, Jiangsu Province, China
| | - Yan-Bing Ding
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, No. 368, Hanjiang Middle Road, Hanjiang District, Yangzhou, Jiangsu Province, China
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4
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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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5
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Qian M, Liu J, Zhao D, Cai P, Pan C, Jia W, Gao Y, Zhang Y, Zhang N, Zhang Y, Zhang Q, Wu D, Shan C, Zhang M, Schnabl B, Yang S, Shen X, Wang L. Aryl Hydrocarbon Receptor Deficiency in Intestinal Epithelial Cells Aggravates Alcohol-Related Liver Disease. Cell Mol Gastroenterol Hepatol 2021; 13:233-256. [PMID: 34454169 PMCID: PMC8599170 DOI: 10.1016/j.jcmgh.2021.08.014] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND & AIMS The ligand-activated transcription factor, aryl hydrocarbon receptor (AHR) can sense xenobiotics, dietary, microbial, and metabolic cues. Roles of Ahr in intestinal epithelial cells (IECs) have been much less elucidated compared with those in intestinal innate immune cells. Here, we explored whether the IEC intrinsic Ahr could modulate the development of alcohol-related liver disease (ALD) via the gut-liver axis. METHODS Mice with IEC specific Ahr deficiency (AhrΔIEC) were generated and fed with a control or ethanol diet. Alterations of intestinal microbiota and metabolites were investigated by 16S ribosomal RNA sequencing, metagenomics, and untargeted metabolomics. AHR agonists were used to evaluate the therapeutic potentials of intestinal Ahr activation for ALD treatment. RESULTS AhrΔIEC mice showed more severe liver injury after ethanol feeding than control mice. Ahr deficiency in IECs altered the intestinal metabolite composition, creating an environment that promoted the overgrowth of Helicobacter hepaticus and Helicobacter ganmani in the gut, enhancing their translocation to mesenteric lymph nodes and liver. Among the altered metabolites, isobutyric acid was increased in the cecum of ethanol-fed AhrΔIEC mice relative to control mice. Furthermore, both H.hepaticus and isobutyric acid administration aggravated ethanol-induced liver injury in vivo and in vitro. Supplementation with AHR agonists, 6-formylindolo[3,2-b]carbazole and indole-3-carbinol, protected mice from ALD development by specifically activating intestinal Ahr without affecting liver Ahr function. Alcoholic patients showed lower intestinal AHR expression and higher H.hepaticus levels compared with healthy individuals. CONCLUSIONS Our results indicate that targeted restoration of IEC intrinsic Ahr function may present as a novel approach for ALD treatment.
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Affiliation(s)
- Minyi Qian
- School of Basic Medicine and Clinical Pharmacy, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China,Institute of Modern Biology, Nanjing University, Nanjing, China,School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jun Liu
- School of Basic Medicine and Clinical Pharmacy, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China,Institute of Modern Biology, Nanjing University, Nanjing, China
| | - Danyang Zhao
- School of Basic Medicine and Clinical Pharmacy, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China,Institute of Modern Biology, Nanjing University, Nanjing, China
| | - Pengpeng Cai
- Department of Gastroenterology, Sir Run Run Hospital, Nanjing Medical University, Nanjing, China
| | - Chuyue Pan
- School of Basic Medicine and Clinical Pharmacy, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China,Institute of Modern Biology, Nanjing University, Nanjing, China
| | - Wenxin Jia
- School of Basic Medicine and Clinical Pharmacy, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China,Institute of Modern Biology, Nanjing University, Nanjing, China
| | - Yingsheng Gao
- School of Basic Medicine and Clinical Pharmacy, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China,Institute of Modern Biology, Nanjing University, Nanjing, China
| | - Yufei Zhang
- School of Basic Medicine and Clinical Pharmacy, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China,Institute of Modern Biology, Nanjing University, Nanjing, China
| | - Nan Zhang
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yinan Zhang
- Jiangsu Key Laboratory for Functional Substances of Chinese Medicine, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Quan Zhang
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Dalei Wu
- Helmholtz International Lab, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Chengjie Shan
- School of Life Sciences, East China Normal University, Shanghai, China
| | - Meiling Zhang
- School of Life Sciences, East China Normal University, Shanghai, China
| | - Bernd Schnabl
- Department of Medicine, University of California San Diego, La Jolla, California
| | - Song Yang
- Department of Hepatology, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Xu Shen
- School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Lirui Wang
- School of Basic Medicine and Clinical Pharmacy, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China,Institute of Modern Biology, Nanjing University, Nanjing, China,Correspondence Address correspondence to: Lirui Wang, PhD, Institute of Modern Biology, Nanjing University, 22 Hankou Road, Gulou District, Nanjing, 210093 China.
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6
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Garajová I, Balsano R, Wang H, Leonardi F, Giovannetti E, Deng D, Peters GJ. The role of the microbiome in drug resistance in gastrointestinal cancers. Expert Rev Anticancer Ther 2020; 21:165-176. [PMID: 33115280 DOI: 10.1080/14737140.2021.1844007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Introduction: The microbiota is recognized for its impact on both human health and disease. The human microbiota is made up of trillions of cells, including bacteria, viruses, and fungi. The largest population of microbes reside in the gut, prompting research for better understanding of the impact of gastrointestinal microbiota in different diseases. Evidence from numerous studies has pointed out the role of commensal microbes as key determinants of cancer pathogenesis. Moreover, gut microbiota may play an important role in chemoresistance; consequently, this knowledge might be important for novel strategies to improve anticancer treatment efficacy.Areas covered: We describe the role of microbiota in different gastrointestinal cancer types (esophageal, gastric, colorectal, hepatocellular and pancreatic-biliary tract cancers). Moreover, we analyzed the impact of the microbiota on resistance to anticancer therapies, and, lastly, we focused on possibilities of microbiota modulation to enhance anticancer therapy efficacy.Expert opinion: Increasing evidence shows that gut microbiota might influence resistance to anticancer treatment, including conventional chemotherapy, immunotherapy, radiotherapy, and surgery. Therefore, a better knowledge of gut microbiota and its interactions with anticancer drugs will enable us to develop novel anticancer treatment strategies and subsequently improve the cancer patients' outcome.
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Affiliation(s)
- Ingrid Garajová
- Medical Oncology Unit, University Hospital of Parma, Parma, Italy
| | - Rita Balsano
- Medical Oncology Unit, University Hospital of Parma, Parma, Italy
| | - Heling Wang
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, Amsterdam, The Netherlands
| | | | - Elisa Giovannetti
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands.,Cancer Pharmacology Lab, AIRC Start-Up Unit, Fondazione Pisana per la Scienz, Pisa, Italy
| | - Dongmei Deng
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, Amsterdam, The Netherlands
| | - Godefridus J Peters
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands.,Department of Biochemistry, Medical University of Gdansk, Gdansk, Poland
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7
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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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8
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Hartl K, Sigal M. Microbe-Driven Genotoxicity in Gastrointestinal Carcinogenesis. Int J Mol Sci 2020; 21:E7439. [PMID: 33050171 PMCID: PMC7587957 DOI: 10.3390/ijms21207439] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/30/2020] [Accepted: 10/03/2020] [Indexed: 12/12/2022] Open
Abstract
The intestinal epithelium serves as a barrier to discriminate the outside from the inside and is in constant exchange with the luminal contents, including nutrients and the microbiota. Pathogens have evolved mechanisms to overcome the multiple ways of defense in the mucosa, while several members of the microbiota can exhibit pathogenic features once the healthy barrier integrity of the epithelium is disrupted. This not only leads to symptoms accompanying the acute infection but may also contribute to long-term injuries such as genomic instability, which is linked to mutations and cancer. While for Helicobacter pylori a link between infection and cancer is well established, many other bacteria and their virulence factors have only recently been linked to gastrointestinal malignancies through epidemiological as well as mechanistic studies. This review will focus on those pathogens and members of the microbiota that have been linked to genotoxicity in the context of gastric or colorectal cancer. We will address the mechanisms by which such bacteria establish contact with the gastrointestinal epithelium-either via an existing breach in the barrier or via their own virulence factors as well as the mechanisms by which they interfere with host genomic integrity.
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Affiliation(s)
- Kimberly Hartl
- Medical Department, Division of Gastroenterology and Hepatology, Charité-Universtitätsmedizin Berlin, 10117 Berlin, Germany;
- Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine, 10115 Berlin, Germany
| | - Michael Sigal
- Medical Department, Division of Gastroenterology and Hepatology, Charité-Universtitätsmedizin Berlin, 10117 Berlin, Germany;
- Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine, 10115 Berlin, Germany
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9
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Silbergleit M, Vasquez AA, Miller CJ, Sun J, Kato I. Oral and intestinal bacterial exotoxins: Potential linked to carcinogenesis. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2020; 171:131-193. [PMID: 32475520 DOI: 10.1016/bs.pmbts.2020.02.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Growing evidence suggests that imbalances in resident microbes (dysbiosis) can promote chronic inflammation, immune-subversion, and production of carcinogenic metabolites, thus leading to neoplasia. Yet, evidence to support a direct link of individual bacteria species to human sporadic cancer is still limited. This chapter focuses on several emerging bacterial toxins that have recently been characterized for their potential oncogenic properties toward human orodigestive cancer and the presence of which in human tissue samples has been documented. These include cytolethal distending toxins produced by various members of gamma and epsilon Proteobacteria, Dentilisin from mammalian oral Treponema, Pasteurella multocida toxin, two Fusobacterial toxins, FadA and Fap2, Bacteroides fragilis toxin, colibactin, cytotoxic necrotizing factors and α-hemolysin from Escherichia coli, and Salmonella enterica AvrA. It was clear that these bacterial toxins have biological activities to induce several hallmarks of cancer. Some toxins directly interact with DNA or chromosomes leading to their breakdowns, causing mutations and genome instability, and others modulate cell proliferation, replication and death and facilitate immune evasion and tumor invasion, prying specific oncogene and tumor suppressor pathways, such as p53 and β-catenin/Wnt. In addition, most bacterial toxins control tumor-promoting inflammation in complex and diverse mechanisms. Despite growing laboratory evidence to support oncogenic potential of selected bacterial toxins, we need more direct evidence from human studies and mechanistic data from physiologically relevant experimental animal models, which can reflect chronic infection in vivo, as well as take bacterial-bacterial interactions among microbiome into consideration.
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Affiliation(s)
| | - Adrian A Vasquez
- Department of Civil and Environmental Engineering, Wayne State University, Healthy Urban Waters, Detroit, MI, United States
| | - Carol J Miller
- Department of Civil and Environmental Engineering, Wayne State University, Healthy Urban Waters, Detroit, MI, United States
| | - Jun Sun
- Department of Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL, United States
| | - Ikuko Kato
- Department of Oncology, Wayne State University School of Medicine, Detroit, MI, United States; Department of Pathology, Wayne State University School of Medicine, Detroit, MI, United States.
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10
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Cen L, Pan J, Zhou B, Yu C, Li Y, Chen W, Shen Z. Helicobacter Pylori infection of the gallbladder and the risk of chronic cholecystitis and cholelithiasis: A systematic review and meta-analysis. Helicobacter 2018; 23. [PMID: 29266548 DOI: 10.1111/hel.12457] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Helicobacter pylori is coexisted with various diseases, including chronic gastritis, ulcer, and gastric cancer. Besides, chronic cholecystitis and cholelithiasis are extremely widespread over the world, which are considered as high health-care cost burdens of digestive diseases. Epidemiologic evidence on Helicobacter pylori infection in gallbladder increasing the risk of biliary diseases has been contradictory. AIM Conduct a meta-analysis of overall studies and investigate an association between Helicobacter pylori infection of the gallbladder with chronic cholecystitis/cholelithiasis. METHODS We used PubMed, EMBASE, and Cochrane library databases to identify all published studies before August 2017. Pooled odds ratios (OR) and corresponding 95% confidence intervals (CIs) were obtained using the random effects model. Heterogeneity, sensitivity, and stratified analyses were also performed. RESULTS Eighteen studies involving 1544 participants and 1061 biliary cases with chronic cholecystitis/cholelithiasis were included. Helicobacter pylori infection of the gallbladder was significantly associated with an increased risk of chronic cholecystitis and cholecystitis (OR = 3.022; 95% CI, 1.897-4.815; I2 = 20.1%). In addition, country-based subgroup analysis also showed a positive association between Helicobacter pylori positivity and chronic cholecystitis/cholelithiasis risk. The ORs (95% CIs) for Asian and non-Asian region studies were 3.75 (1.83-7.71) and 2.25 (1.29-3.89), respectively. CONCLUSION This meta-analysis suggests that infection of the gallbladder with Helicobacter pylori is closely related to an increased risk of chronic cholecystitis and cholelithiasis.
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Affiliation(s)
- Li Cen
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province, Hangzhou, China
| | - Jiaqi Pan
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province, Hangzhou, China
| | - Boyan Zhou
- Department of Biostatistics and Computational Biology, School of Life Sciences, Fudan University, Shanghai, China
| | - Chaohui Yu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province, Hangzhou, China
| | - Youming Li
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province, Hangzhou, China
| | - Weixing Chen
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province, Hangzhou, China
| | - Zhe Shen
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province, Hangzhou, China
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11
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Liu H, Chen YT, Wang R, Chen XZ. Helicobacter pylori infection, atrophic gastritis, and pancreatic cancer risk: A meta-analysis of prospective epidemiologic studies. Medicine (Baltimore) 2017; 96:e7811. [PMID: 28816977 PMCID: PMC5571714 DOI: 10.1097/md.0000000000007811] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 07/20/2017] [Accepted: 07/21/2017] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND To investigate the associations of Helicobacter pylori (Hp) infection and atrophic gastritis (AG) with pancreatic cancer risk. METHODS A literature search in PubMed was performed up to July 2017. Only prospective cohort and nested case-control studies enrolling cancer-free participants were eligible. Incident pancreatic cancer cases were ascertained during the follow-up. The risks of pancreatic cancer were compared between persons infected and noninfected with Hp, or between those with and without AG status at baseline. Odds ratios (ORs) or hazard ratios were combined. Subgroup and sensitivity analyses were performed, and publication bias was estimated. RESULTS Three cohort studies and 6 nested case-control studies, including 65,155 observations, were analyzed. The meta-analyses did not confirm the association between pancreatic cancer risk and Hp infection (OR = 1.09, 95% confidence interval [CI] = 0.81-1.47) or AG status (OR = 1.18, 95% CI = 0.80-1.72). However, particular subpopulations potentially had increased risks of pancreatic cancer. Cytotoxin-associated gene A (CagA)-negative strains of Hp might be a causative factor of pancreatic cancer (OR = 1.30, 95% CI = 1.05-1.62), but a sensitivity analysis by leave-one-out method did not fully warrant it (OR = 1.20, 95% CI = 0.93-1.56). In 1 nested case-control study, AG at stomach corpus in Hp-negative subpopulation might have increased risk of pancreatic cancer, but with a poor test power = 0.56. Publication biases were nonsignificant in the present meta-analysis. CONCLUSION Based on current prospective epidemiologic studies, the linkage of pancreatic cancer to Hp infection or AG status was not warranted on the whole. Nevertheless, prospective studies only focusing on those specific subpopulations are further required to obtain better power.
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Affiliation(s)
- Hong Liu
- Department of Integrated Traditional Chinese and Western Medicine
| | | | - Rui Wang
- Nursing Section, Department of Gastroenterology
| | - Xin-Zu Chen
- Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, China
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12
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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: 89] [Impact Index Per Article: 12.7] [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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13
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Huang J, Zagai U, Hallmans G, Nyrén O, Engstrand L, Stolzenberg-Solomon R, Duell EJ, Overvad K, Katzke VA, Kaaks R, Jenab M, Park JY, Murillo R, Trichopoulou A, Lagiou P, Bamia C, Bradbury KE, Riboli E, Aune D, Tsilidis K, Capellá G, Agudo A, Krogh V, Palli D, Panico S, Vainio EW, Tjønneland A, Olsen A, Martínez B, Redondo-Sanchez D, Chirlaque MD, Peeters PH, Regnér S, Lindkvist B, Naccarati A, Miren DI, Larrañaga N, Boutron-Ruault MC, Rebours V, Barré A, Redondo-Sanchez D, Bueno-de-Mesquita H, Ye W. Helicobacter pylori infection, chronic corpus atrophic gastritis and pancreatic cancer risk in the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort: A nested case-control study. Int J Cancer 2017; 140:1727-1735. [PMID: 28032715 PMCID: PMC5930360 DOI: 10.1002/ijc.30590] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 11/22/2016] [Indexed: 12/11/2022]
Abstract
The association between H. pylori infection and pancreatic cancer risk remains controversial. We conducted a nested case-control study with 448 pancreatic cancer cases and their individually matched control subjects, based on the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort, to determine whether there was an altered pancreatic cancer risk associated with H. pylori infection and chronic corpus atrophic gastritis. Conditional logistic regression models were applied to calculate odds ratios (ORs) and corresponding 95% confidence intervals (CIs), adjusted for matching factors and other potential confounders. Our results showed that pancreatic cancer risk was neither associated with H. pylori seropositivity (OR = 0.96; 95% CI: 0.70, 1.31) nor CagA seropositivity (OR = 1.07; 95% CI: 0.77, 1.48). We also did not find any excess risk among individuals seropositive for H. pylori but seronegative for CagA, compared with the group seronegative for both antibodies (OR = 0.94; 95% CI: 0.63, 1.38). However, we found that chronic corpus atrophic gastritis was non-significantly associated with an increased pancreatic cancer risk (OR = 1.35; 95% CI: 0.77, 2.37), and although based on small numbers, the excess risk was particularly marked among individuals seronegative for both H. pylori and CagA (OR = 5.66; 95% CI: 1.59, 20.19, p value for interaction < 0.01). Our findings provided evidence supporting the null association between H. pylori infection and pancreatic cancer risk in western European populations. However, the suggested association between chronic corpus atrophic gastritis and pancreatic cancer risk warrants independent verification in future studies, and, if confirmed, further studies on the underlying mechanisms.
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Affiliation(s)
- Jiaqi Huang
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden
| | - Ulrika Zagai
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden
| | - Göran Hallmans
- Department of Public Health and Clinical Nutrition, Umeå University, Umeå, Sweden
| | - Olof Nyrén
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden
| | - Lars Engstrand
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Rachael Stolzenberg-Solomon
- Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, 9609 Medical Center Drive, Rockville, MD, USA
| | - Eric J Duell
- Unit of Nutrition, Environment and Cancer, Cancer Epidemiology Research Program, Catalan Institute of Oncology (ICO-IDIBELL), Barcelona, Spain
| | - Kim Overvad
- Department of Public Health, Section for Epidemiology, Aarhus University, Aarhus, Denmark
| | - Verena A Katzke
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Rudolf Kaaks
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Mazda Jenab
- Prevention and Implementation Group, Section of Early Detection and Prevention, International Agency for Research on Cancer, Lyon, France
| | - Jin Young Park
- Prevention and Implementation Group, Section of Early Detection and Prevention, International Agency for Research on Cancer, Lyon, France
| | - Raul Murillo
- Prevention and Implementation Group, Section of Early Detection and Prevention, International Agency for Research on Cancer, Lyon, France
| | - Antonia Trichopoulou
- Hellenic Health Foundation, Athens, Greece
- Bureau of Epidemiologic Research, Academy of Athens, Greece
| | - Pagona Lagiou
- Hellenic Health Foundation, Athens, Greece
- Bureau of Epidemiologic Research, Academy of Athens, Greece
- Department of Epidemiology, Harvard School of Public Health, Boston, USA
| | - Christina Bamia
- Hellenic Health Foundation, Athens, Greece
- Bureau of Epidemiologic Research, Academy of Athens, Greece
| | - Kathryn E Bradbury
- Cancer Epidemiology Unit, Nuffield Department of Population Health University of Oxford, United Kingdom
| | - Elio Riboli
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom
| | - Dagfinn Aune
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom
| | - Kostas Tsilidis
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom
- Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece
| | - Gabriel Capellá
- Translational Research Laboratory, IDIBELL-Catalan Institute of Oncology, Barcelona, Spain
| | - Antonio Agudo
- Unit of Nutrition and Cancer. Cancer Epidemiology Research Program. Catalan Institute of Oncology-IDIBELL. L’Hospitalet de Llobregat, Barcelona, Spain
| | - Vittorio Krogh
- Epidemiology and Prevention Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Venezian, Milano, Italy
| | - Domenico Palli
- Cancer Risk Factors and Life-Style Epidemiology Unit, Cancer Research and Prevention Institute – ISPO, Florence, Italy
| | - Salvatore Panico
- Dipartimento di medicina clinica e chirurgia Federico II, Naples, Italy
| | - Elisabete Weiderpass Vainio
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden
- Department of Community Medicine, University of Tromsø, The Arctic University of Norway, Tromsø, Norway
- Department of Research. Cancer Registry of Norway, Institute of Population-Based Cancer Research, Oslo, Norway
- Genetic Epidemiology Group, Folkhälsan Research Center, Helsinki, Finland
| | | | - Anja Olsen
- Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Begoña Martínez
- Andalusian School of Public Health, Instituto De Investigación Biosanitaria Ibs, GRANADA, Spain
| | - Daniel Redondo-Sanchez
- Andalusian School of Public Health, Instituto De Investigación Biosanitaria Ibs, GRANADA, Spain
| | - Maria-Dolores Chirlaque
- Department of Epidemiology, Regional Health Council, IMIB-Arrixaca, Murcia, Spain
- CIBER of Epidemiology and Public Health (CIBERESP), Spain
- Department of Health and Social Sciences, Universidad de Murcia, Murcia, Spain
| | - Petra H. Peeters
- Department of Epidemiology, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands
| | - Sara Regnér
- Department of Surgery, Institution of Clinical Sciences Malmö, Lund University, Malmö, Sweden
| | - Björn Lindkvist
- Department of Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Alessio Naccarati
- Molecular and Genetic Epidemiology Unit, Human Genetics Foundation, Turin, Italy
| | - Dorronsoro-Iraeta Miren
- Department of Health of the Basque Government, Public Health Division of Gipuzkoa, San Sebastian, Spain
| | - Nerea Larrañaga
- CIBER of Epidemiology and Public Health (CIBERESP), Spain
- Public Health Division of Gipuzkoa, Regional Government of the Basque Country, Spain
| | - MC Boutron-Ruault
- INSERM, Centre for Research in Epidemiology and Population Health (CESP), U1018, Nutrition, Hormones and Women's Health Team, F-94805, Villejuif, France
- Université Paris Sud, UMRS 1018, F-94805, Villejuif, France
- Institut Gustave Roussy, F-94805, Villejuif, France
| | - Vinciane Rebours
- Department of Gastroenterology and Pancreatology, Beaujon Hospital, University Paris 7, Clichy, France
| | - Amélie Barré
- Université Paris Sud and Gastroenterology Unit, Hôpitaux Universitaires Paris Sud, CHU de Bicêtre, AP-HP, Le Kremlin Bicêtre, France
| | - Daniel Redondo-Sanchez
- CIBER of Epidemiology and Public Health (CIBERESP), Spain
- Escuela Andaluza de Salud Pública. Instituto de Investigación Biosanitaria ibs, GRANADA. Hospitales Universitarios de Granada/Universidad de Granada, Granada, Spain
| | - H.B(as) Bueno-de-Mesquita
- Department for Determinants of Chronic Diseases (DCD), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
- Department of Gastroenterology and Hepatology, University Medical Centre, Utrecht, The Netherlands
- Department of Epidemiology and Biostatistics, The School of Public Health, Imperial College London, London, United Kingdom
- Department of Social & Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Weimin Ye
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden
- The Medical Biobank at Umeå University, Umeå, Sweden
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14
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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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15
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Su D, Nie Y, Zhu A, Chen Z, Wu P, Zhang L, Luo M, Sun Q, Cai L, Lai Y, Xiao Z, Duan Z, Zheng S, Wu G, Hu R, Tsukamoto H, Lugea A, Liu Z, Pandol SJ, Han YP. Vitamin D Signaling through Induction of Paneth Cell Defensins Maintains Gut Microbiota and Improves Metabolic Disorders and Hepatic Steatosis in Animal Models. Front Physiol 2016; 7:498. [PMID: 27895587 PMCID: PMC5108805 DOI: 10.3389/fphys.2016.00498] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 10/12/2016] [Indexed: 01/10/2023] Open
Abstract
Metabolic syndrome (MetS), characterized as obesity, insulin resistance, and non-alcoholic fatty liver diseases (NAFLD), is associated with vitamin D insufficiency/deficiency in epidemiological studies, while the underlying mechanism is poorly addressed. On the other hand, disorder of gut microbiota, namely dysbiosis, is known to cause MetS and NAFLD. It is also known that systemic inflammation blocks insulin signaling pathways, leading to insulin resistance and glucose intolerance, which are the driving force for hepatic steatosis. Vitamin D receptor (VDR) is highly expressed in the ileum of the small intestine, which prompted us to test a hypothesis that vitamin D signaling may determine the enterotype of gut microbiota through regulating the intestinal interface. Here, we demonstrate that high-fat-diet feeding (HFD) is necessary but not sufficient, while additional vitamin D deficiency (VDD) as a second hit is needed, to induce robust insulin resistance and fatty liver. Under the two hits (HFD+VDD), the Paneth cell-specific alpha-defensins including α-defensin 5 (DEFA5), MMP7 which activates the pro-defensins, as well as tight junction genes, and MUC2 are all suppressed in the ileum, resulting in mucosal collapse, increased gut permeability, dysbiosis, endotoxemia, systemic inflammation which underlie insulin resistance and hepatic steatosis. Moreover, under the vitamin D deficient high fat feeding (HFD+VDD), Helicobacter hepaticus, a known murine hepatic-pathogen, is substantially amplified in the ileum, while Akkermansia muciniphila, a beneficial symbiotic, is diminished. Likewise, the VD receptor (VDR) knockout mice exhibit similar phenotypes, showing down regulation of alpha-defensins and MMP7 in the ileum, increased Helicobacter hepaticus and suppressed Akkermansia muciniphila. Remarkably, oral administration of DEFA5 restored eubiosys, showing suppression of Helicobacter hepaticus and increase of Akkermansia muciniphila in association with resolving metabolic disorders and fatty liver in the HFD+VDD mice. An in vitro analysis showed that DEFA5 peptide could directly suppress Helicobacter hepaticus. Thus, the results of this study reveal critical roles of a vitamin D/VDR axis in optimal expression of defensins and tight junction genes in support of intestinal integrity and eubiosis to suppress NAFLD and metabolic disorders.
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Affiliation(s)
- Danmei Su
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan University Chengdu, China
| | - Yuanyang Nie
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan University Chengdu, China
| | - Airu Zhu
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan University Chengdu, China
| | - Zishuo Chen
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan University Chengdu, China
| | - Pengfei Wu
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan University Chengdu, China
| | - Li Zhang
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan University Chengdu, China
| | - Mei Luo
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan UniversityChengdu, China; Chengdu Public Health Clinical CenterChengdu, China
| | - Qun Sun
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan University Chengdu, China
| | - Linbi Cai
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan University Chengdu, China
| | - Yuchen Lai
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan University Chengdu, China
| | - Zhixiong Xiao
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan University Chengdu, China
| | - Zhongping Duan
- Beijing YouAn Hospital, Capital Medical University Beijing, China
| | - Sujun Zheng
- Beijing YouAn Hospital, Capital Medical University Beijing, China
| | - Guihui Wu
- Chengdu Public Health Clinical Center Chengdu, China
| | - Richard Hu
- Olive View-University of California, Los Angeles Medical Center Los Angeles, CA, USA
| | - Hidekazu Tsukamoto
- Department of Pathology, Keck School of Medicine of the University of Southern California Los Angeles, CA, USA
| | | | - Zhenqui Liu
- Cedars-Sinai Medical Center Los Angeles, CA, USA
| | | | - Yuan-Ping Han
- The Center for Growth, Metabolism and Aging, and the Key Laboratory for Bio-Resource and Eco-Environment of Education of Ministry, College of Life Sciences, Sichuan UniversityChengdu, China; Cedars-Sinai Medical CenterLos Angeles, CA, USA
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Cytotoxin-Associated Gene A-Negative Strains of Helicobacter pylori as a Potential Risk Factor of Pancreatic Cancer: A Meta-Analysis Based on Nested Case-Control Studies. Pancreas 2015; 44:1340-4. [PMID: 26390415 DOI: 10.1097/mpa.0000000000000414] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVES Risk of pancreatic cancer between Helicobacter pylori infected and noninfected persons is controversial, and therefore a meta-analysis was performed. METHODS PubMed was searched up to September 2014. Only population-based nested case-control studies comparing the serological prevalence of Helicobacter pylori between pancreatic cancer cases and cancer-free controls were eligible. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) for pancreatic cancer risk between Helicobacter pylori infected and noninfected persons were estimated. RESULTS Five eligible nested case-control studies were included, with 1446 pancreatic cancer cases and 2235 cancer-free controls. On the whole, the proportion of pancreatic cancer cases among those infected with Helicobacter pylori was not significant different from those noninfected (OR, 0.99; 95% CI, 0.65-1.50; P = 0.96). Likewise, seropositivity of cytotoxin-associated gene A (CagA) showed nonsignificant association with pancreatic cancer (OR, 0.92; 95% CI, 0.65-1.30; P = 0.63). The CagA-positive virulent strains of Helicobacter pylori did not increase the risk of pancreatic cancer (OR, 0.97; 95% CI, 0.50-1.89; P = 0.93). However, CagA-negative nonvirulent strains of Helicobacter pylori had a significant increased risk for pancreatic cancer (OR, 1.47; 95% CI, 1.11-1.96; P = 0.008). CONCLUSIONS The CagA-negative non-virulent strains of Helicobacter pylori may be a potential risk factor of pancreatic cancer. High-quality prospective large-scaled studies are required for more conclusive results.
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17
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Association between Helicobacter pylori and pancreatic cancer risk: a meta-analysis. Cancer Causes Control 2015; 26:1027-35. [DOI: 10.1007/s10552-015-0595-3] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 04/27/2015] [Indexed: 02/08/2023]
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Wang Y, Zhang FC, Wang YJ. Helicobacter pylori and pancreatic cancer risk: a meta- analysis based on 2,049 cases and 2,861 controls. Asian Pac J Cancer Prev 2015; 15:4449-54. [PMID: 24969867 DOI: 10.7314/apjcp.2014.15.11.4449] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
AIM Helicobacter pylori (H. pylori) have been considered as a risk factor for many cancers. We conducted this meta-analysis to clarify the association between H. pylori infection and the risk of pancreatic cancer. METHODS We searched the Medicine/Pubmed and Embase databases, studies about the association between H. pylori infection and pancreatic cancer published up to Jan.2014 were included. Finally, a total of 9 studies were used for this a meta-analysis. The odds ratios (ORs) and 95% confidence interval (95%CI) of H. pylori infection on pancreatic cancer with respect to control groups were evaluated. Two authors independently assessed the methodological quality and extracted data. This meta-analysis was conducted using software, state (version 12.0) to investigate heterogeneity among individual studies and to summarize the studies. Using the fixed-effects or random-effects model, depending on the absence or presence of significant heterogeneity. Sensitivity analysis was performed to assess the influence of each individual study on the pooled ORs by omitting a single study each time. Publication bias was evaluated by funnel plot, using Egger's and Begg's tests. RESULTS There was no significant association between H. pylori infection and pancreatic cancer risk in the summary ORs,(OR=1.06, 95%CI: 0.74-1.37) through the random-effect method, but heterogeneity among studies was significant (I2=58.9%), so we put the studies into two subgraphs (eastern and western). The results about western (OR=1.14 95%CI:0.89, 1.40) showed heterogeneity among the western countries of I2=6.6%, with no significant association between Hp+ and pancreatic cancer, but the eastern countries (OR=0.62, 95%CI:0.49, 0.76), I2=0, suggested that decreasing pancreas-cancer risk in subjects with Hp+ infection. Simultaneously, 7 studies examined CagA+ strains was (OR=0.84 95%CI:0.63, 1.04), I2=36% with the random-effect method, subgraphs indicated that CagA+ could decrease the risk of pancreatic cancer in the eastern subjects (OR=0.66, 95%CI:0.52-0.80), but the association was not statistically significant in the western subjects (OR=0.95, 95%CI:0.73, 1.16). CONCLUSION Hp+ and CagA+ infection are associated with a decreased risk of pancreatic cancer in eastern populations but have no significant associations in western countries.
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Affiliation(s)
- Yin Wang
- Postgraduate Training Base of the General Hospital of Jinan Military Command of Liaoning Medical University, Ji Nan, China E-mail :
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Jiang Q, Huang YQ, Huang ZS. Relationship between Helicobacter hepaticus infection and hepatocellular carcinoma. Shijie Huaren Xiaohua Zazhi 2014; 22:1959-1965. [DOI: 10.11569/wcjd.v22.i14.1959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) has a high incidence worldwide, with a low diagnostic rate in the early period and therefore a high death rate. Causes for some cases of liver cancer are not completely clear. The finding that the rate of liver cancer in male A/Jr mice is significantly higher makes researchers realize that Helicobacter hepaticus may cause HCC in human beings. To get a new perspective for exploring causes of liver cancer, this paper introduces the biological nature of and detecting methods for Helicobacter hepaticus, as well as the relationship between Helicobacter hepaticus infection and HCC. Helicobacter hepaticus infection may play an important role in some HCC cases.
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Xiao M, Gao Y, Wang Y. Helicobacter species infection may be associated with cholangiocarcinoma: a meta-analysis. Int J Clin Pract 2014; 68:262-70. [PMID: 24373128 DOI: 10.1111/ijcp.12264] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Accepted: 07/18/2013] [Indexed: 01/08/2023] Open
Abstract
OBJECTIVE Since the discovery of Helicobacter species in human biliary system, the association between Helicobacter species infection and cholangiocarcinoma is under debate. This meta-analysis aims to explore this issue. METHODS Literature search was carried out to identify all eligible articles. We performed overall meta-analysis of all included studies and subgroup analysis based on regional distribution. Subgroup analysis in the light of detection methods and specimens was also conducted. RESULTS Ten case-control studies were included. Overall meta-analysis favoured a significant association between Helicobacter species infection and cholangiocarcinoma (cumulative OR 8.88, 95% CI 3.67-21.49). Subgroup analysis based on geographic distribution indicated that Helicobacter species infection may serve as a risk factor not only in a region with high cholangiocarcinoma incidence (Asia, OR 6.68, 95% CI 2.29-19.49) but also in low incidence region (Europe, OR 14.90, 95% CI 4.79-46.35). The other subgroup analysis showed that PCR was the most effective and efficient method to detect Helicobacter species in surgically resected tissue and bile. There was significant heterogeneity among studies and obvious publication bias. CONCLUSION Our meta-analysis supports the possible association between Helicobacter species infection and cholangiocarcinoma. Further investigations are required to clarify the role of Helicobacter species in this malignancy.
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Affiliation(s)
- M Xiao
- Department of Hepatobiliary Surgery II, Southern Medical University Zhujiang Hospital, Guangzhou, Guangdong Province, China; Department of Hepatobiliary Surgery, Wuxi People's Hospital of Nanjing Medical University, Wuxi, Jiangsu Province, China
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21
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Chronic inflammation and gallbladder cancer. Cancer Lett 2013; 345:242-8. [PMID: 23981574 DOI: 10.1016/j.canlet.2013.08.034] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Revised: 08/13/2013] [Accepted: 08/18/2013] [Indexed: 12/15/2022]
Abstract
Gallbladder cancer (GBC) is the most common biliary tract malignancy with an extremely poor prognosis. Epidemiological data have demonstrated that chronic inflammation resulting from infection of gallbladder or gallstones predispose individuals to GBC. Recent studies have begun to elucidate molecular mechanisms underlying the development of GBC in the setting of chronic inflammation. It is possible that persistently local inflammatory reactions may contribute to the development and progression of GBC through inducing genetic alterations, and subsequent promoting survival and proliferation of mutated sells, inhibiting apoptosis, stimulating angiogenesis and metastasis. This article reviews the current understanding of the involvement of chronic inflammation in gallbladder tumorigenesis.
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Infections of Helicobacter spp. in the biliary system are associated with biliary tract cancer: a meta-analysis. Eur J Gastroenterol Hepatol 2013; 25:447-54. [PMID: 23470268 DOI: 10.1097/meg.0b013e32835c0362] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE As Helicobacter spp. have been successfully isolated from the biliary system, a hypothetical question was raised about the role of these organisms in the development of biliary tract cancer. This meta-analysis has been carried out to explore the association between Helicobacter spp. infection and biliary tract cancer. METHODS A systematic literature search was carried out to identify all eligible articles. Meta-analysis used odds ratio and a random-effect model, and 95% confidence intervals for odds ratios were calculated. Heterogeneity was quantitatively assessed using the χ-test, with significance set at a P-value of 0.01, and was measured using the I-statistic. RESULTS Ten studies published between 2002 and 2011 were finally included for meta-analysis. Helicobacter pylori, Helicobacter bilis, Helicobacter hepaticus, and Helicobacter ganmani were studied. With heterogeneity (I=0%, P=0.685), a significantly higher pooled infection rate of Helicobacter spp. was observed in the biliary tract cancer group compared with the normal group (P=0.0001) and the benign biliary disease group, respectively (P=0.0001). Studies from East Asia and South Asia showed a higher prevalence of Helicobacter spp. in the malignant group. Evidence supporting the higher presence of Helicobacter spp. in the cancer group was obtained using PCR and immunohistochemical analysis of specimens from bile and biliary tissues. CONCLUSION Our meta-analysis suggests a trend of a higher presence of Helicobacter spp. in patients with biliary tract cancers compared with normal controls or those with benign biliary diseases.
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Xiao M, Wang Y, Gao Y. Association between Helicobacter pylori infection and pancreatic cancer development: a meta-analysis. PLoS One 2013; 8:e75559. [PMID: 24086571 PMCID: PMC3784458 DOI: 10.1371/journal.pone.0075559] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Accepted: 08/14/2013] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Pancreatic cancer is one of the most troublesome malignancies with dismal prognosis. H. pylori has been recognized as a type I carcinogen. Several studies have evaluated the association between H. pylori infection and pancreatic cancer development, however, the conclusions are inconsistent. METHODS Literature search was carried out in PubMed, EMBASE, Cochrane Library and CNKI databases to identify eligible researches. We performed overall meta-analysis of all studies included and subgroup analysis based on regional distribution. Quality of the studies (assessed by Newcastle-Ottawa quality assessment scale for case-control studies) and CagA+ strains of H. pylori were taken into consideration, and we conducted additional analyses including high-quality researches and those concerning CagA+ H. pylori respectively. RESULTS 9 studies involving 3033 subjects (1083 pancreatic cancer cases, 1950 controls) were included. Summary OR and 95%CI of the overall meta-analysis of all included studies were 1.47 and 1.22-1.77, pooled data of the 4 high-quality studies were OR 1.28, 95%CI 1.01-1.63. OR of the 5 studies examined CagA+ strains was 1.42, corresponding 95%CI was 0.79 to 2.57. Summary estimates of subgroup analysis based on regional distribution are as follows, Europe group: OR 1.56, 95%CI 1.15-2.10; East Asia group: OR 2.01, 95%CI 1.33-3.02; North America group: OR 1.17, 95%CI 0.87-1.58. There was not obvious heterogeneity across the 9 studies. No publication bias was detected. CONCLUSION H. pylori infection is significantly, albeit weakly, associated with pancreatic cancer development. The association is prominent in Europe and East Asia, but not in North America. CagA+ H. pylori strains appear not to be associated with pancreatic cancer. However, more studies, especially prospective studies, are needed to validate our results.
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Affiliation(s)
- Mingjia Xiao
- Department of Hepatobiliary Surgery, Wuxi People’s Hospital of Nanjing Medical University, Wuxi, Jiangsu Province, China
- Second Department of Hepatobiliary Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
| | - Yiming Wang
- Department of Urology Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
| | - Yi Gao
- Second Department of Hepatobiliary Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
- * E-mail:
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The Role of Bacteria in Cancer Development. Infect Agent Cancer 2013. [DOI: 10.1007/978-94-007-5955-8_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Shukla HS, Tewari M. Discovery of Helicobacter pylori in gallbladder. Indian J Gastroenterol 2012; 31:55-6. [PMID: 22553121 DOI: 10.1007/s12664-012-0178-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2012] [Accepted: 04/05/2012] [Indexed: 02/04/2023]
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Zhou D, Zhang Y, Gong W, Mohamed SO, Ogbomo H, Wang X, Liu Y, Quan Z. Are Helicobacter pylori and other Helicobacter species infection associated with human biliary lithiasis? A meta-analysis. PLoS One 2011; 6:e27390. [PMID: 22087306 PMCID: PMC3210793 DOI: 10.1371/journal.pone.0027390] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2011] [Accepted: 10/16/2011] [Indexed: 02/06/2023] Open
Abstract
Background Since the isolation of Helicobacter species in biliary system, a hypothetical question was raised about the role of these agents in the development of cholelithiasis. This meta-analysis is to explore the association between the Helicobacter infection and biliary lithiasis. Methodology/Principal Findings A systematic literature search was performed to identify all eligible articles. Meta-analysis which was carried out using odds ratio and random effect model, 95% confidence intervals for odds ratio was calculated. Quantitative assessment of heterogeneity was explored by chi-square test with significance set at P value 0.10 and was measured using I2 statistic. Eighteen studies published between 1998 and 2011 were finally eligible for meta-analysis. H. Pylori, H. Bilis, H. Hepaticus, H. Pullorum and H. Ganmani were studied. With heterogeneity (I2 = 69.5%, P<0.0001), significantly higher pooled infection rates of H. Pylori (OR: 2.59, 35.82% versus 26.75%, P = 0.01) and H. Hepaticus (OR: 3.13, 31.30% versus 12.12%, P = 0.02) were observed in lithiasis group. Higher prevalence of H. Pylori in cholelithiasis patients were reported by studies from East Asia, South Asia and South America. Evidences supporting the higher presence of H. Pylori in cholelithiasis patients could be found by PCR for detecting 16s rRNA in bile, 26kDa protein gene in biliary tissue and immunohistochemistry. Using multiple detection tests could increase the detection rate of H. Pylori. Conclusions/Significances Our meta-analysis suggests a trend of higher presence of H. Pylori in cholelithiasis patients than control group and this trend was significant in the regions with higher prevalence of this agent. Evidences supporting the association between Helicobacter and cholelithiasis could be found by using different tests but the gold standard for the identification of these bacteria in biliary system has yet to be established. Considering obvious heterogeneity, a large multi-center study will facilitate us to further clarify the association between the Helicobacter infection and cholelithiasis.
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Affiliation(s)
- Di Zhou
- Department of General Surgery, School of Medicine, Xinhua Hospital, Shanghai JiaoTong University, Shanghai, People's Republic of China
| | - Yong Zhang
- Department of General Surgery, School of Medicine, Xinhua Hospital, Shanghai JiaoTong University, Shanghai, People's Republic of China
| | - Wei Gong
- Department of General Surgery, School of Medicine, Xinhua Hospital, Shanghai JiaoTong University, Shanghai, People's Republic of China
| | - Sayid Omar Mohamed
- Department of General Surgery, School of Medicine, Xinhua Hospital, Shanghai JiaoTong University, Shanghai, People's Republic of China
| | - Henry Ogbomo
- Departments of Oncology, Biochemistry and Molecular Biology, Faculty of Medicine, Southern Alberta Cancer Research Institute, University of Calgary, Calgary, Alberta, Canada
| | - Xuefeng Wang
- Department of General Surgery, School of Medicine, Xinhua Hospital, Shanghai JiaoTong University, Shanghai, People's Republic of China
| | - Yingbin Liu
- Department of General Surgery, School of Medicine, Xinhua Hospital, Shanghai JiaoTong University, Shanghai, People's Republic of China
- * E-mail: (ZWQ); (YBL)
| | - Zhiwei Quan
- Department of General Surgery, School of Medicine, Xinhua Hospital, Shanghai JiaoTong University, Shanghai, People's Republic of China
- * E-mail: (ZWQ); (YBL)
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Smet A, Flahou B, Mukhopadhya I, Ducatelle R, Pasmans F, Haesebrouck F, Hold GL. The other Helicobacters. Helicobacter 2011; 16 Suppl 1:70-5. [PMID: 21896089 DOI: 10.1111/j.1523-5378.2011.00884.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The last year has seen an interesting and important collection of evidence presented in the field of the "other" than Helicobacter pylori Helicobacters. Associations with adult ulcerative colitis and biliary/hepatic disease have been described. New insights into the immune response and subsequent pathogenesis associated with infection have also been published. Genomic advances include description of new and unique species and the complete genome description for both Helicobacter felis and Helicobacter suis. Molecular studies have also elucidated the mechanism of action of some functional components of these organisms.
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Affiliation(s)
- Annemieke Smet
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
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Serodiagnosis of Helicobacter hepaticus infection in patients with liver and gastrointestinal diseases: western blot analysis and ELISA using a highly specific monoclonal antibody for H. hepaticus antigen. J Gastroenterol 2011; 46:1120-6. [PMID: 21656014 DOI: 10.1007/s00535-011-0414-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2010] [Accepted: 04/08/2011] [Indexed: 02/07/2023]
Abstract
BACKGROUND Helicobacter hepaticus infection might be associated with liver and biliary tract diseases. To investigate its pathogenic role, the properties of anti-H. hepaticus serum antibody in patients with liver and diseases were elucidated. METHODS Serum samples were collected from 166 patients-69 with liver diseases, 38 with upper gastrointestinal diseases, 17 with lower gastrointestinal diseases, 26 with biliary tract diseases, and 16 with pancreas diseases; 30 control sera were obtained from 30 healthy blood donors. Serum samples were analyzed by enzyme-linked immunosorbent assay (ELISA) and western blot using the new monoclonal antibody HR II-51. RESULTS Anti-H. hepaticus serum antibody concentrations in patients with liver disease (n = 69) were significantly increased compared with those in other disease groups (p = 0.014 to <0.001). Particularly, liver cirrhosis (n = 19) showed a significantly higher antibody level compared with other liver diseases (n = 50, p = 0.005) and healthy donors (n = 30, p = 0.0005), as well as a higher seroprevalence (68.4%) compared with other liver diseases (p = 0.05) and healthy donors (p = 0.004). Furthermore, the ELISA value in liver cirrhosis (n = 19) was significantly higher than that in patients with hepatitis B virus (HBV)-and/or hepatitis C virus (HCV)-infected chronic hepatitis (n = 15) (0.389 ± 0.084 vs. 0.350 ± 0.084, p = 0.029). However, there was no relationship between the total immunoglobulin concentration and the anti-H. hepaticus antibody level in each liver disease (Spearman's rank correlation coefficient [rs] < 0.225). CONCLUSIONS H. hepaticus infection might play a role in the development of liver diseases; in particular, it might increase the risk of the development of HBV- and/or HCV-infected liver diseases.
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Murakami K, Takahashi R, Ono M, Watanabe K, Okimoto T, Kodama M, Abe D, Kimura M, Fujioka T. Serodiagnosis of Helicobacter hepaticus infection in patients with liver and gastrointestinal diseases: western blot analysis and ELISA using a highly specific monoclonal antibody for H. hepaticus antigen. J Gastroenterol 2011. [PMID: 21656014 DOI: 10.1007/s00534-011-0414-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Helicobacter hepaticus infection might be associated with liver and biliary tract diseases. To investigate its pathogenic role, the properties of anti-H. hepaticus serum antibody in patients with liver and diseases were elucidated. METHODS Serum samples were collected from 166 patients-69 with liver diseases, 38 with upper gastrointestinal diseases, 17 with lower gastrointestinal diseases, 26 with biliary tract diseases, and 16 with pancreas diseases; 30 control sera were obtained from 30 healthy blood donors. Serum samples were analyzed by enzyme-linked immunosorbent assay (ELISA) and western blot using the new monoclonal antibody HR II-51. RESULTS Anti-H. hepaticus serum antibody concentrations in patients with liver disease (n = 69) were significantly increased compared with those in other disease groups (p = 0.014 to <0.001). Particularly, liver cirrhosis (n = 19) showed a significantly higher antibody level compared with other liver diseases (n = 50, p = 0.005) and healthy donors (n = 30, p = 0.0005), as well as a higher seroprevalence (68.4%) compared with other liver diseases (p = 0.05) and healthy donors (p = 0.004). Furthermore, the ELISA value in liver cirrhosis (n = 19) was significantly higher than that in patients with hepatitis B virus (HBV)-and/or hepatitis C virus (HCV)-infected chronic hepatitis (n = 15) (0.389 ± 0.084 vs. 0.350 ± 0.084, p = 0.029). However, there was no relationship between the total immunoglobulin concentration and the anti-H. hepaticus antibody level in each liver disease (Spearman's rank correlation coefficient [rs] < 0.225). CONCLUSIONS H. hepaticus infection might play a role in the development of liver diseases; in particular, it might increase the risk of the development of HBV- and/or HCV-infected liver diseases.
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Affiliation(s)
- Kazunari Murakami
- Department of Gastroenterology, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-machi, Yuhu, Oita 879-5593, Japan.
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Van Erpecum KJ. Pathogenesis of cholesterol and pigment gallstones: an update. Clin Res Hepatol Gastroenterol 2011; 35:281-7. [PMID: 21353662 DOI: 10.1016/j.clinre.2011.01.009] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2011] [Accepted: 01/24/2011] [Indexed: 02/04/2023]
Abstract
Phase separation of cholesterol crystals from supersaturated bile is still considered the key event in cholesterol gallstone formation. In this review, we will first provide a basal framework of the interactions between the sterol, bile salts and phospholipids in aqueous solutions and then summarize new developments. The hepatocytic apical membrane harbours specific transport proteins for these lipids. Polymorphisms in the gene encoding the cholesterol transporter ABCG5-G8 have been found to increase overall gallstone risk, whereas functional mutations in the gene encoding the phospholipid floppase ABCB4 lead to the rare clinical syndrome of low phospholipid associated cholelithiasis. Expression of bile salt and phospholipid transport proteins is regulated bij the bile salt nuclear receptor Farnesoid X receptor (FXR), while the Liver X Receptor (LXR) α regulates ABCG5-G8. Although data from murine experiments suggest a critical role of FXR in gallstone formation, its role in human lithogenesis remains controversial. Variants of the gene encoding UGT1A1 (uridine 5'-diphosphate (UDP)-glucuronosyltransferase 1A1) responsible for bilirubin conjugation were recently associated with risk of gallstones as well as stone bilirubin content, suggesting common factors in cholesterol and pigment gallstone pathogenesis.
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Affiliation(s)
- Karel Johannes Van Erpecum
- Dept of Gastroenterology and Hepatology, University Medical Center Utrecht, HP. F.02.618, PO Box 85500, 3508 GA Utrecht, The Netherlands.
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