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Chai Y, Huang Z, Shen X, Lin T, Zhang Y, Feng X, Mao Q, Liang Y. Microbiota Regulates Pancreatic Cancer Carcinogenesis through Altered Immune Response. Microorganisms 2023; 11:1240. [PMID: 37317214 PMCID: PMC10221276 DOI: 10.3390/microorganisms11051240] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/02/2023] [Accepted: 05/04/2023] [Indexed: 06/16/2023] Open
Abstract
The microbiota is present in many parts of the human body and plays essential roles. The most typical case is the occurrence and development of cancer. Pancreatic cancer (PC), one of the most aggressive and lethal types of cancer, has recently attracted the attention of researchers. Recent research has revealed that the microbiota regulates PC carcinogenesis via an altered immune response. Specifically, the microbiota, in several sites, including the oral cavity, gastrointestinal tract, and pancreatic tissue, along with the numerous small molecules and metabolites it produces, influences cancer progression and treatment by activating oncogenic signaling, enhancing oncogenic metabolic pathways, altering cancer cell proliferation, and triggering chronic inflammation that suppresses tumor immunity. Diagnostics and treatments based on or in combination with the microbiota offer novel insights to improve efficiency compared with existing therapies.
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Affiliation(s)
- Yihan Chai
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Zhengze Huang
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Xuqiu Shen
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Tianyu Lin
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Yiyin Zhang
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Xu Feng
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Qijiang Mao
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
- Zhejiang Provincial Key Laboratory of Laparoscopic Technology, Hangzhou 310016, China
- Zhejiang Province Medical Research Center of Minimally Invasive Diagnosis and Treatment of Abdominal Diseases, Hangzhou 310028, China
| | - Yuelong Liang
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
- Zhejiang Province Medical Research Center of Minimally Invasive Diagnosis and Treatment of Abdominal Diseases, Hangzhou 310028, China
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Min Y, Wei X, Xia X, Wei Z, Li R, Jin J, Liu Z, Hu X, Peng X. Hepatitis B virus infection: An insight into the clinical connection and molecular interaction between hepatitis B virus and host extrahepatic cancer risk. Front Immunol 2023; 14:1141956. [PMID: 36936956 PMCID: PMC10014788 DOI: 10.3389/fimmu.2023.1141956] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 02/20/2023] [Indexed: 03/05/2023] Open
Abstract
The evidence for chronic hepatitis B virus (HBV) infection and hepatocellular carcinoma (HCC) occurrence is well established. The hepatocyte epithelium carcinogenesis caused by HBV has been investigated and reviewed in depth. Nevertheless, recent findings from preclinical and observational studies suggested that chronic HBV infection is equally important in extrahepatic cancer occurrence and survival, specifically gastrointestinal system-derived cancers. Immune microenvironment changes (immune-suppressive cytokine infiltration), epigenetic modification (N6-methyladenosine), molecular signaling pathways (PI3K-Akt and Wnt), and serum biomarkers such as hepatitis B virus X (HBx) protein are potential underlying mechanisms in chronic HBV infection-induced extrahepatic cancers. This narrative review aimed to comprehensively summarize the most recent advances in evaluating the association between chronic HBV infection and extrahepatic cancer risk and explore the potential underlying molecular mechanisms in the carcinogenesis induction of extrahepatic cancers in chronic HBV conditions.
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Affiliation(s)
- Yu Min
- Department of Biotherapy and National Clinical Research Center for Geriatrics, Cancer Center, West China Hospital, Sichuan University, Sichuan, China
| | - Xiaoyuan Wei
- Department of Head and Neck Oncology, Department of Radiation Oncology, Cancer Center, and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Sichuan, China
| | - Xi Xia
- Research and Development Department Shanghai ETERN Biopharma Co., Ltd., Shanghai, China
| | - Zhigong Wei
- Department of Biotherapy and National Clinical Research Center for Geriatrics, Cancer Center, West China Hospital, Sichuan University, Sichuan, China
| | - Ruidan Li
- Department of Biotherapy and National Clinical Research Center for Geriatrics, Cancer Center, West China Hospital, Sichuan University, Sichuan, China
| | - Jing Jin
- Department of Biotherapy and National Clinical Research Center for Geriatrics, Cancer Center, West China Hospital, Sichuan University, Sichuan, China
| | - Zheran Liu
- Department of Biotherapy and National Clinical Research Center for Geriatrics, Cancer Center, West China Hospital, Sichuan University, Sichuan, China
| | - Xiaolin Hu
- West China School of Nursing, West China Hospital, Sichuan University, Sichuan, China
- *Correspondence: Xingchen Peng, ; Xiaolin Hu,
| | - Xingchen Peng
- Department of Biotherapy and National Clinical Research Center for Geriatrics, Cancer Center, West China Hospital, Sichuan University, Sichuan, China
- *Correspondence: Xingchen Peng, ; Xiaolin Hu,
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Zhao JF, Teng QP, Lv Y, Li XY, Ding Y. Association between hepatitis B or hepatitis C virus infection and risk of pancreatic cancer: a systematic review and meta-analysis of cohort studies. Ther Adv Infect Dis 2023; 10:20499361231212161. [PMID: 37954404 PMCID: PMC10634262 DOI: 10.1177/20499361231212161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/18/2023] [Indexed: 11/14/2023] Open
Abstract
Background and aim With conflicting data from previous observational studies on the relationship between hepatitis B virus (HBV) or hepatitis C virus (HCV) infection and pancreatic cancer (PC), we decided to conduct a systematic review and meta-analysis in order to evaluate any potential association. Design This is a systematic review and meta-analysis. Methods We conducted a search of three databases (PubMed, Embase, and Web of Science) from the time of their creation up to June 2023. The summary results, including hazard ratio (HR) with 95% confidence interval (CI), were pooled using a generic inverse variance method and a random-effects model. Furthermore, subgroup and sensitivity analyses were conducted. Results In this meta-analysis, 22 cohort studies with a total of 10,572,865 participants were analyzed. Meta-analysis from 15 cohort studies revealed that HBV infection was correlated with an increased risk of PC (HR = 1.53, 95% CI: 1.40-1.68, p < 0.00001) with no heterogeneity (I2 = 0%, p = 0.49). Meta-analysis from 14 cohort studies showed that HCV infection was associated with an increased risk of PC (HR = 1.82, 95% CI: 1.51-2.21, p < 0.00001). Most of our subgroup analyses yielded similar results. Meta-analysis from four cohort studies indicated that co-infection with HBV and HCV was linked to an increased risk of PC (HR = 2.32, 95% CI: 1.40-3.85, p = 0.001) with no heterogeneity observed (I2 = 0%, p = 0.60). The results of sensitivity analyses were robust. Conclusion Our meta-analysis showed that HBV/HCV infection or co-infection with HBV and HCV was associated with an increased risk of PC. Future prospective cohort studies need to take into account various ethnicities and any confounding factors, as well as investigate the potential mechanisms of PC development in those with HBV/HCV. Trial registration Open Science Framework registries (No: osf.io/n64ua).
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Affiliation(s)
- Jian-Feng Zhao
- Department of Gastrointestinal Surgery, Jingmen People’s Hospital, Jingchu University of Technology Affiliated Central Hospital, Jingmen, Hubei Province, China
- Central Hospital, Jingmen, Hubei Province, China
| | - Qiu-Ping Teng
- Department of Nephrology, The central Hospital of Jingmen, Jingmen, Hubei Province, China
| | - Yang Lv
- Department of Gastrointestinal Surgery, Jingmen People’s Hospital, Jingchu University of Technology Affiliated Central Hospital, Jingmen, Hubei Province, China
- Central Hospital, Jingmen, Hubei Province, China
| | - Xiao-Yi Li
- Imaging Diagnosis Center, Jingmen People’s Hospital, Jingchu University of Technology Affiliated, Jingmen, Hubei, China
| | - Yi Ding
- Department of Gastrointestinal Surgery, Jingmen People’s Hospital, Jingchu University of Technology Affiliated Central Hospital, No. 39, Xiangshan Avenue, Jingmen City, Hubei Province 448000, China
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Daniluk J, Daniluk U, Rogalski P, Dabrowski A, Swidnicka-Siergiejko A. Microbiome-Friend or Foe of Pancreatic Cancer? J Clin Med 2021; 10:jcm10235624. [PMID: 34884327 PMCID: PMC8658245 DOI: 10.3390/jcm10235624] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/15/2021] [Accepted: 11/27/2021] [Indexed: 12/12/2022] Open
Abstract
Pancreatic ductal adenocarcinoma is one of the deadliest human neoplasms. Despite the development of new surgical and adjuvant therapies, the prognosis remains very poor, with the overall survival rate not exceeding 9%. There is now increasing evidence that the human microbiome, which is involved in many physiological functions, including the regulation of metabolic processes and the modulation of the immune system, is possibly linked to pancreatic oncogenesis. However, the exact mechanisms of action are poorly understood. Our review summarizes the current understanding of how the microbiome affects pancreatic cancer development and progression. We discuss potential pathways of microbe translocation to the pancreas, as well as the mechanism of their action. We describe the role of the microbiome as a potential marker of pancreatic cancer diagnosis, progression, and survival. Finally, we discuss the possibilities of modifying the microbiome to improve treatment effectiveness for this deadly disease.
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Affiliation(s)
- Jaroslaw Daniluk
- Department of Gastroenterology and Internal Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland; (P.R.); (A.D.); (A.S.-S.)
- Correspondence: ; Tel.: +48-(85)-746-82-34; Fax: +48-(85)-746-85-06
| | - Urszula Daniluk
- Department of Pediatrics, Gastroenterology, Hepatology, Nutrition and Allergology, Medical University of Bialystok, 15-274 Bialystok, Poland;
| | - Pawel Rogalski
- Department of Gastroenterology and Internal Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland; (P.R.); (A.D.); (A.S.-S.)
| | - Andrzej Dabrowski
- Department of Gastroenterology and Internal Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland; (P.R.); (A.D.); (A.S.-S.)
| | - Agnieszka Swidnicka-Siergiejko
- Department of Gastroenterology and Internal Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland; (P.R.); (A.D.); (A.S.-S.)
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5
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Feng X, Lu H, Wei Y, Guan M, Wang J, Liu C, Shen T, Chen Q, Rao Q. Prognostic impact of hepatitis B virus infection in patients with primary cervical cancer. Cancer Med 2021; 10:8310-8319. [PMID: 34672431 PMCID: PMC8633261 DOI: 10.1002/cam4.4358] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/30/2021] [Accepted: 09/07/2021] [Indexed: 12/24/2022] Open
Abstract
Background Hepatitis B virus (HBV) infection has been associated with an increased risk of a few malignancies. However, the prognostic impact of HBV infection remains unclear in cervical cancer. Objective To explore the association between HBV infection and survival outcomes of patients with primary cervical cancer, using overall survival (OS) and disease‐free survival (DFS) as primary endpoints. Methods This analysis was performed retrospectively with newly diagnosed cervical cancer patients admitted to the Department of Gynecologic Oncology at the Sun Yat‐sen Memorial Hospital of Sun Yat‐sen University from June 2013 to October 2019, who were enrolled and followed up. The Kaplan–Meier method and Cox proportional hazard analysis were used to examine the performance of HBV infection in predicting OS and DFS. Results Patients were followed up for a median of 37.17 months (95% CI, 34.69–39.65). Among the 695 patients, 87 (12.5%) were serologically positive for hepatitis B surface antigen (HBsAg), and 276 (39.7%) had a prior history of HBV infection. There was no significant difference between HBsAg‐positive group and HBsAg‐negative patients concerning OS or DFS. Multivariate analysis showed prior HBV infection was an independent favorable prognosticator for OS (HR, 0.335; 95% CI, 0.153–0.0.734; p = 0.006) and DFS (HR, 0.398; 95% CI, 0.208–0.691; p = 0.002). Conclusion We provide the first clinical evidence that suggests prior HBV infection as an independent favorable prognostic factor for patients with primary cervical cancer.
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Affiliation(s)
- Xiaoyan Feng
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, Guangdong Pharmaceutical University, Guangzhou, China.,School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Huaiwu Lu
- Department of Gynaecological Oncology, Sun Yat-Sen Memorial Hospital, Guangzhou, China
| | - Yuan Wei
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, Guangdong Pharmaceutical University, Guangzhou, China.,School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Meimei Guan
- Department of Gynaecological Oncology, Sun Yat-Sen Memorial Hospital, Guangzhou, China
| | - Junyi Wang
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, Guangdong Pharmaceutical University, Guangzhou, China.,School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Changhao Liu
- Department of Gynaecological Oncology, Sun Yat-Sen Memorial Hospital, Guangzhou, China
| | - Tianran Shen
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, Guangdong Pharmaceutical University, Guangzhou, China.,School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Qingsong Chen
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, Guangdong Pharmaceutical University, Guangzhou, China.,School of Public Health, Guangdong Pharmaceutical University, Guangzhou, China
| | - Qunxian Rao
- Department of Gynaecological Oncology, Sun Yat-Sen Memorial Hospital, Guangzhou, China
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Pancreatic Cancer Exposome Profile to Aid Early Detection and Inform Prevention Strategies. J Clin Med 2021; 10:jcm10081665. [PMID: 33924591 PMCID: PMC8069449 DOI: 10.3390/jcm10081665] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/19/2021] [Accepted: 04/08/2021] [Indexed: 12/12/2022] Open
Abstract
Pancreatic cancer (PCa) is associated with a poor prognosis and high mortality rate. The causes of PCa are not fully elucidated yet, although certain exposome factors have been identified. The exposome is defined as the sum of all environmental factors influencing the occurrence of a disease during a life span. The development of an exposome approach for PCa has the potential to discover new disease-associated factors to better understand the carcinogenesis of PCa and help with early detection strategies. Our systematic review of the literature identified several exposome factors that have been associated with PCa alone and in combination with other exposures. A potential inflammatory signature has been observed among the interaction of several exposures (i.e., smoking, alcohol consumption, diabetes mellitus, obesity, and inflammatory markers) that further increases the incidence and progression of PCa. A large number of exposures have been identified such as genetic, hormonal, microorganism infections and immune responses that warrant further investigation. Future early detection strategies should utilize this information to assess individuals' risk for PCa.
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Zhang W, Zhang K, Zhang P, Zheng J, Min C, Li X. Research Progress of Pancreas-Related Microorganisms and Pancreatic Cancer. Front Oncol 2021; 10:604531. [PMID: 33520714 PMCID: PMC7841623 DOI: 10.3389/fonc.2020.604531] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 11/30/2020] [Indexed: 12/16/2022] Open
Abstract
Pancreatic cancer is one of the most common digestive system cancers. Early diagnosis is difficult owing to the lack of specific symptoms and reliable biomarkers. The cause of pancreatic cancer remains ambiguous. Smoking, drinking, new-onset diabetes, and chronic pancreatitis have been proven to be associated with the occurrence of pancreatic cancer. In recent years, a large number of studies have clarified that a variety of microorganisms colonized in pancreatic cancer tissues are also closely related to the occurrence and development of pancreatic cancer, and the specific mechanisms include inflammatory induction, immune regulation, metabolism, and microenvironment changes caused by microorganism. The mechanism of action of the pancreatic colonized microbiome in the tumor microenvironment, as well as immunotherapy approaches require further study in order to find more evidence to explain the complex relationship between the pancreatic colonized microbiome and PDAC. Relevant studies targeting the microbiome may provide insight into the mechanisms of PDAC development and progression, improving treatment effectiveness and overall patient prognosis. In this article, we focus on the research relating to the microorganisms colonized in pancreatic cancer tissues, including viruses, bacteria, and fungi. We also highlight the microbial diversity in the occurrence, invasion, metastasis, treatment, and prognosis of pancreatic cancer in order to elucidate its significance in the early diagnosis and new therapeutic treatment of pancreatic cancer, which urgently need to be improved in clinical practice. The elimination or increase in diversity of the pancreatic microbiome is beneficial for prolonging the survival of PDAC patients, improving the response to chemotherapy drugs, and reducing tumor burden. The colonization of microorganisms in the pancreas may become a new hotspot in the diagnosis and treatment of pancreatic cancer.
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Affiliation(s)
| | | | | | | | | | - Xiaoyu Li
- Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao, China
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Hepatitis C virus infection and risk of pancreatic cancer: A meta-analysis. Cancer Epidemiol 2020; 65:101691. [PMID: 32088651 DOI: 10.1016/j.canep.2020.101691] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 02/13/2020] [Accepted: 02/17/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND A growing body of evidence has suggested an association between Hepatitis C virus (HCV) infection and risk of pancreatic cancer (PAC). Herein, we conducted a meta-analysis of available evidence to explore this association. METHODS We systematically retrieved studies that investigated the association between HCV infection and risk of PAC. Pooled odds ratio (OR) with corresponding 95 % confidence interval (CI) of PAC for patients with HCV infection was calculated using the fixed- or random-effects model. RESULTS A total of 16 studies (8 cohort and 8 case-control) were included in this meta-analysis. Combined, patients with HCV infection were more likely to develop PAC than people without it (pooled OR = 1.51, 95 % CI: 1.31, 1.74; I2 = 63.49 %, p-value for heterogeneity< 0.001). Studies that adjusted their results for diabetes, chronic pancreatitis, alcohol intake, and smoking showed lower ORs than studies that did not adjust for them. CONCLUSION HCV infection was associated with increased risk of PAC, but this association was attenuated among studies that adjusted their results for potential risk factors for PAC. Future prospective cohort studies are needed to confirm this association.
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Hepatitis C virus and risk of extrahepatic malignancies: a case-control study. Sci Rep 2019; 9:19444. [PMID: 31857595 PMCID: PMC6923417 DOI: 10.1038/s41598-019-55249-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 08/21/2019] [Indexed: 02/06/2023] Open
Abstract
Epidemiological studies have demonstrated an increased risk of non-Hodgkin lymphoma (NHL) in patients with chronic hepatitis C virus (HCV) infection. Therefore, we investigated the risk of extrahepatic malignancies associated with HCV infection. Inpatients diagnosed with lymphoma, breast, thyroid, kidney, or pancreatic cancer (research group, n = 17,925) as well as inpatients with no malignancies (control group, n = 16,580) matched by gender and age were enrolled from The First Affiliated Hospital of Nanjing Medical University between January 2008 and December 2016. A case-control study was conducted by retrospective analysis. The difference in HCV prevalence was analyzed between the research group and the control group. Also, the research group was compared to the 2006 National Hepatitis C sero-survey in China. A total of 86 cases were positive for anti-HCV in the research group. Compared with the control group (103 cases were anti-HCV positive), no significant associations between extrahepatic malignancies and HCV infection were observed. Meanwhile, compared to the 2006 National Hepatitis C sero-survey, we observed a significant association between the chronic lymphoma leukemia/small lymphocytic lymphoma (CLL/SLL) and HCV seropositivity in females in the research group aged 1–59 years old (OR = 14.69; 95% CI, 1.94–111.01). HCV infection had a potential association with CLL/SLL in females aged 1–59 years old. Our study did not confirm an association between HCV infection and the risk of extrahepatic malignancies. In regions with a low HCV prevalence, the association between HCV infection and extrahepatic malignancies needs further investigation.
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Abstract
Pancreatic cancer is one of the most lethal diseases. In pancreatic cancer development and progression, genetic (gene mutations and activation of oncogenes) and environmental factors (smoking, alcohol consumption, type 2 diabetes mellitus, obesity) play an essential role. Recently, molecular studies revealed that dysbiosis of microbiota also has influence on cancer development. Research indicates that bacteria and viruses can lead to chronic inflammation, antiapoptotic changes, cell survival, and cell invasion. This review presents bacteria and viruses oncogenic for the pancreas. Possible mechanisms of carcinogenic action are also described.
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Affiliation(s)
- Tomasz M Karpiński
- Department of Medical Microbiology, Poznań University of Medical Sciences, Wieniawskiego 3, Poznań 61-712, Poland.
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The microbiota and microbiome in pancreatic cancer: more influential than expected. Mol Cancer 2019; 18:97. [PMID: 31109338 PMCID: PMC6526613 DOI: 10.1186/s12943-019-1008-0] [Citation(s) in RCA: 163] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 03/19/2019] [Indexed: 12/12/2022] Open
Abstract
Microbiota is just beginning to be recognized as an important player in carcinogenesis and the interplay among microbes is greater than expected. Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal disease for which mortality closely parallels incidence. Early detection would provide the best opportunity to increase survival rates. Specific well-studied oral, gastrointestinal, and intrapancreatic microbes and some kinds of hepatotropic viruses and bactibilia may have potential etiological roles in pancreatic carcinogenesis, or modulating individual responses to oncotherapy. Concrete mechanisms mainly involve perpetuating inflammation, regulating the immune system-microbe-tumor axis, affecting metabolism, and altering the tumor microenvironment. The revolutionary technology of omics has generated insight into cancer microbiomes. A better understanding of the microbiota in PDAC might lead to the establishment of screening or early-stage diagnosis methods, implementation of cancer bacteriotherapy, adjustment of therapeutic efficacy even alleviating the adverse effects, creating new opportunities and fostering hope for desperate PDAC patients.
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Abstract
Epidemiologic studies show an increased risk of mortality among hepatitis C virus (HCV)-infected individuals compared with uninfected individuals from hepatic and nonhepatic causes. This article reviews the biologic plausibility of and epidemiologic evidence for the association between HCV and five extrahepatic malignancies: cholangiocarcinoma (CCA), pancreatic adenocarcinoma, papillary thyroid cancer, oral squamous cell cancer, and renal/kidney cancer. There is sufficient evidence to suggest that HCV is associated with intrahepatic CCA. The evidence for the link between HCV and pancreatic adenocarcinoma, oral squamous cell cancer, and renal/kidney cancer is compelling but requires further study. Based on available studies, there is no significant association between HCV, extrahepatic CCA, and papillary thyroid cancer.
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Affiliation(s)
- Maya Balakrishnan
- Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA.
| | - Matthew T Glover
- Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Fasiha Kanwal
- Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; Department of Medicine, Houston VA HSR&D Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey Veterans Affairs Medical Center, 2002 Holcombe Boulevard, Houston, TX 77030, USA
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Prevalence of Pancreatic Cystic Lesions Is Associated With Diabetes Mellitus and Obesity: An Analysis of 5296 Individuals Who Underwent a Preventive Medical Examination. Pancreas 2017; 46:801-805. [PMID: 28609369 DOI: 10.1097/mpa.0000000000000833] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVES Pancreatic cystic lesions (PCLs) are considered precursors of pancreatic cancer. Diabetes mellitus (DM) and obesity are known as risk factors for pancreatic cancer. We investigated the prevalence of PCLs in the general population and the relationship between PCLs and DM/obesity. METHODS This cross-sectional analysis included 5296 individuals who underwent a preventive medical examination between October 2006 and June 2013 at our institution. Magnetic resonance imaging, including magnetic resonance cholangiopancreatography, was performed using a 3.0-T system as part of a comprehensive health screening program. We investigated the prevalence and risk factors of PCLs. RESULTS The prevalence of PCLs was 13.7%, which was increased according to age. Individuals with PCLs were more prone to obesity (body mass index, 24.0 vs 23.7 kg/m [P = 0.015]; waist circumference, 87.4 vs 85.5 cm [P < 0.001]). DM was more prevalent in individuals with PCLs (18.4% vs 10.5%, P < 0.001). In a multivariate analysis, age (odds ratio [OR], 1.06; P < 0.001), excess body mass index (OR, 1.26; P = 0.039), and DM (OR, 1.39; P = 0.005) were associated with PCLs. CONCLUSIONS The prevalence of PCLs detected by magnetic resonance imaging in a preventive medical examination was 13.7%. Pancreatic cystic lesions were significantly associated with DM and obesity.
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Kwok RM, Tran TT. Management of Cirrhotic Patients After Successful HCV Eradication. ACTA ACUST UNITED AC 2017; 15:305-315. [PMID: 28439747 DOI: 10.1007/s11938-017-0134-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OPINION STATEMENT Chronic hepatitis C (HCV) is a hepatotropic virus which, when untreated, can lead to progressive inflammation and fibrosis resulting in cirrhosis, hepatocellular carcinoma (HCC), and decompensations related to end-stage liver disease. The relatively recent introduction of all oral, interferon-free, direct-acting antiviral medications against HCV has transformed the management of these patients. Previous treatment regimens were prolonged, poorly tolerated, and frequently did not result in cure. Current therapies achieve sustained viral response (SVR) in the vast majority of patients including those with decompensated liver disease; a previously challenging population to treat. These successes will result in significant numbers of cirrhotic patients requiring management after SVR. Although many complications of cirrhosis are improved in this setting, regular follow-up of HCC, esophageal varices, and other sequelae of cirrhosis will be necessary. This chapter will review the management of cirrhosis in HCV patients achieving cure.
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Affiliation(s)
- Ryan M Kwok
- Division of Gastroenterology/Hepatology, Walter Reed National Military Medical Center, 8901 Wisconsin Ave, Bethesda, MD, 20889, USA.
| | - Tram T Tran
- Cedars-Sinai Medical Center Liver Transplantation, 8700 Beverly Blvd., Los Angeles, CA, 90048, USA
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Chen Y, Bai X, Zhang Q, Wen L, Su W, Fu Q, Sun X, Lou Y, Yang J, Zhang J, Chen Q, Wang J, Liang T. The hepatitis B virus X protein promotes pancreatic cancer through modulation of the PI3K/AKT signaling pathway. Cancer Lett 2016; 380:98-105. [DOI: 10.1016/j.canlet.2016.06.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 06/12/2016] [Accepted: 06/14/2016] [Indexed: 02/07/2023]
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Barone E, Corrado A, Gemignani F, Landi S. Environmental risk factors for pancreatic cancer: an update. Arch Toxicol 2016; 90:2617-2642. [PMID: 27538405 DOI: 10.1007/s00204-016-1821-9] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 08/04/2016] [Indexed: 02/07/2023]
Abstract
Pancreatic cancer (PC) is one of the most aggressive diseases. Only 10 % of all PC cases are thought to be due to genetic factors. Here, we analyzed the most recently published case-control association studies, meta-analyses, and cohort studies with the aim to summarize the main environmental factors that could have a role in PC. Among the most dangerous agents involved in the initiation phase, there are the inhalation of cigarette smoke, and the exposure to mutagenic nitrosamines, organ-chlorinated compounds, heavy metals, and ionizing radiations. Moreover, pancreatitis, high doses of alcohol drinking, the body microbial infections, obesity, diabetes, gallstones and/or cholecystectomy, and the accumulation of asbestos fibers seem to play a crucial role in the progression of the disease. However, some of these agents act both as initiators and promoters in pancreatic acinar cells. Protective agents include dietary flavonoids, marine omega-3, vitamin D, fruit, vegetables, and the habit of regular physical activity. The identification of the factors involved in PC initiation and progression could be of help in establishing novel therapeutic approaches by targeting the molecular signaling pathways responsive to these stimuli. Moreover, the identification of these factors could facilitate the development of strategies for an early diagnosis or measures of risk reduction for high-risk people.
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Affiliation(s)
- Elisa Barone
- Genetic Unit, Department of Biology, University of Pisa, Via Derna, 1, 56121, Pisa, Italy
| | - Alda Corrado
- Genetic Unit, Department of Biology, University of Pisa, Via Derna, 1, 56121, Pisa, Italy
| | - Federica Gemignani
- Genetic Unit, Department of Biology, University of Pisa, Via Derna, 1, 56121, Pisa, Italy
| | - Stefano Landi
- Genetic Unit, Department of Biology, University of Pisa, Via Derna, 1, 56121, Pisa, Italy.
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Netea-Maier RT, Plantinga TS, van de Veerdonk FL, Smit JW, Netea MG. Modulation of inflammation by autophagy: Consequences for human disease. Autophagy 2015. [PMID: 26222012 PMCID: PMC4836004 DOI: 10.1080/15548627.2015.1071759] [Citation(s) in RCA: 251] [Impact Index Per Article: 27.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Autophagy and inflammation are 2 fundamental biological processes involved in both physiological and pathological conditions. Through its crucial role in maintaining cellular homeostasis, autophagy is involved in modulation of cell metabolism, cell survival, and host defense. Defective autophagy is associated with pathological conditions such as cancer, autoimmune disease, neurodegenerative disease, and senescence. Inflammation represents a crucial line of defense against microorganisms and other pathogens, and there is increasing evidence that autophagy has important effects on the induction and modulation of the inflammatory reaction; understanding the balance between these 2 processes may point to important possibilities for therapeutic targeting. This review focuses on the crosstalk between autophagy and inflammation as an emerging field with major implications for understanding the host defense on the one hand, and for the pathogenesis and treatment of immune-mediated diseases on the other hand.
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Affiliation(s)
- Romana T Netea-Maier
- a Department of Internal Medicine , Radboud University Medical Center , Nijmegen , The Netherlands.,b Division of Endocrinology, Radboud University Medical Center , Nijmegen , The Netherlands
| | - Theo S Plantinga
- a Department of Internal Medicine , Radboud University Medical Center , Nijmegen , The Netherlands
| | - Frank L van de Veerdonk
- a Department of Internal Medicine , Radboud University Medical Center , Nijmegen , The Netherlands.,c Radboud Center for Infectious Diseases, Radboud University Medical Center , Nijmegen , The Netherlands
| | - Johannes W Smit
- a Department of Internal Medicine , Radboud University Medical Center , Nijmegen , The Netherlands.,b Division of Endocrinology, Radboud University Medical Center , Nijmegen , The Netherlands
| | - Mihai G Netea
- a Department of Internal Medicine , Radboud University Medical Center , Nijmegen , The Netherlands.,c Radboud Center for Infectious Diseases, Radboud University Medical Center , Nijmegen , The Netherlands
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Abstract
BACKGROUND Pancreatic cancer is one of the most lethal cancers worldwide. No effective screening methods exist, and available treatment modalities do not effectively treat the disease. Established risk factors for pancreatic cancer, including smoking, chronic pancreatitis, obesity and type 2 diabetes mellitus, collectively account for less than half of all pancreatic cancer cases. Accumulating reports have demonstrated that there is an association between pathogenic microorganisms and pancreatic cancer. SUMMARY A substantial amount of preclinical and clinical evidence suggests that microbiota are likely to influence pancreatic carcinogenesis. This review summarizes the literature on studies examining infections that have been linked to pancreatic cancer. KEY MESSAGE Helicobacter pylori infection may be a risk factor for pancreatic cancer; chronic hepatitis virus and oral microbiota may also play a role in pancreatic carcinogenesis. PRACTICAL IMPLICATIONS Considering the worldwide burden of the disease, the association between microbiota and pancreatic cancer in this review may provide new ideas to prevent and treat pancreatic cancer more efficiently. Further studies in this direction are urgently needed.
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Affiliation(s)
- Chunsaie Wang
- Department of Gastroenterology, Peking Union Medical College Hospital, Beijing, China
| | - Jingna Li
- Department of Gastroenterology, Peking Union Medical College Hospital, Beijing, China
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Squalene epoxidase (SQLE) promotes the growth and migration of the hepatocellular carcinoma cells. Tumour Biol 2015; 36:6173-9. [DOI: 10.1007/s13277-015-3301-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 03/01/2015] [Indexed: 01/22/2023] Open
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20
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Affiliation(s)
- Sirio Fiorino
- Unita Operativa di Medicina Interna, Ospedale di Budrio, Budrio (Bologna), Italy.
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