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Barakat SH, Meheissen MA, El-Gendi SM, Fouad IA, Mahfouz AM. Interleukin-1β and Interleukin-1 receptor antagonist gene polymorphism in pediatric patients with Helicobacter pylori-associated chronic gastritis. J Trop Pediatr 2021; 67:6344871. [PMID: 34363079 DOI: 10.1093/tropej/fmab061] [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] [Indexed: 11/13/2022]
Abstract
BACKGROUND The severity of Helicobacter pylori infection is determined by the interplay between bacterial virulence, host genetic and environmental factors. This study aimed to identify interleukin-1 beta (IL-1β) and interleukin receptor antagonist (IL-1RN) gene polymorphisms and their associations with H. pylori infection, and severity of chronic gastritis in Egyptian children. METHODS A case control study was conducted on 100 children (50 H. pylori positive and 50 controls). Genotyping of IL-1β-31 gene was done by PCR-CTPP (confronting two-pair primers), of IL-1β-511 was performed using allele specific PCR, and investigation of the variable number tandem repeat polymorphism of the IL-1RN gene was done by PCR. RESULTS The genotype C/T of IL1β-511 was the predominant genotype (36/50; 72%) among H. pylori positive cases (p ≤ 0.001). The presence of C/T genotype at position 511 of IL1β was associated with increased risk of infection with H. pylori (p ≤ 0.001, odds ratio = 6.612) and with more severe disease (p = 0.004, odds ratio = 8.333). No association of IL-1β-31 or IL-1RN gene polymorphisms with H. pylori infection or with risk of severe gastric diseases was found. Children who carry two polymorphisms are almost four times at risk for development of H. pylori infection (p = 0.026, odds ratio = 3.937). CONCLUSIONS Polymorphism at position -511 of IL1β gene is associated with increased risk of H. pylori infection as well as of severe corpus gastric disease in Egyptian children. This population should be considered a high-risk group, which needs regular gastric endoscopic surveillance, and should be target for H. pylori eradication. Lay summaryThe genotype C/T of IL1β-511 gene was the predominant genotype (36/50; 72%) among H. pylori positive children. Polymorphism at position -511 of IL1β gene is associated with increased risk of Helicobacter pylori infection as well as of severe corpus gastric disease in Egyptian children. No association of IL-1β-31 or IL-1RN gene polymorphisms with H. pylori infection or with risk of severe gastric diseases in Egyptian children.
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Affiliation(s)
- Sana Hosny Barakat
- Pediatrics Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Marwa Ahmed Meheissen
- Medical Microbiology and Immunology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | | | - Ingy Ali Fouad
- Pediatrics Department, Ministry of Health, Alexandria, Egypt
| | - Aml Mohamed Mahfouz
- Pediatrics Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
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Shakhatreh MAK, Khabour OF, Alzoubi KH, BaniHani MN, Abu-Siniyeh A, Bashir NA, Sabi SH, Mahafdah M. The Influence of IL-1B Gene Polymorphisms on H. pylori Infection and Triple Treatment Response Among Jordanian Population. APPLICATION OF CLINICAL GENETICS 2020; 13:139-145. [PMID: 32669867 PMCID: PMC7337447 DOI: 10.2147/tacg.s253778] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 06/10/2020] [Indexed: 12/29/2022]
Abstract
Background Helicobacter pylori (H. pylori) is considered the main cause of gastritis, peptic ulcer and gastric carcinoma in the human populations. H. pylori infection influences the secretion level of several proinflammatory cytokines including IL-1β, which encoded by the IL-1B gene. Objective The current study aimed to investigate whether IL-1B gene polymorphisms are associated with H. pylori infection among the Jordanian population and responses to triple therapy. Subjects and Methods The gastroscopic examination was performed on 412 subjects for H. pylori infection diagnosis, 257 subjects were found to be infected by H. Pylori (positive cases), whereas 155 subjects were uninfected (negative controls). The IL-1B gene T-31C and C3954T polymorphisms were genotyped by PCR-RFLP. Results It was found that the T-31C polymorphism has a significant association with H. pylori infection (P<0.05), and the TT genotype frequency was significantly higher in infected subjects (50.2%) compared to controls (38.7%). On the other hand, no significant association was detected between C3954T SNPs and H. pylori infection among the Jordanian population. In addition, none of the examined polymorphisms were found to influence the responses to triple therapy. Conclusion The IL-1B gene T-31C SNP might be associated with an enhanced risk of H. pylori infection among the Jordanian population.
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Affiliation(s)
- Muhamad Ali K Shakhatreh
- Department of Medical Laboratory Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Omar F Khabour
- Department of Medical Laboratory Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Karem H Alzoubi
- Department of Clinical Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Mohammed N BaniHani
- Department of General Surgery and Urology, Jordan University of Science and Technology, Irbid, Jordan
| | - Ahmed Abu-Siniyeh
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif, Kingdom of Saudi Arabia
| | - Nabil A Bashir
- Department of Physiology and Biochemistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Salsabeel H Sabi
- Department of Clinical Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Mahmoud Mahafdah
- Department of General Surgery and Urology, Jordan University of Science and Technology, Irbid, Jordan
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Bakhti SZ, Latifi-Navid S, Safaralizadeh R. Helicobacter pylori-related risk predictors of gastric cancer: The latest models, challenges, and future prospects. Cancer Med 2020; 9:4808-4822. [PMID: 32363738 PMCID: PMC7333836 DOI: 10.1002/cam4.3068] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 03/31/2020] [Accepted: 03/31/2020] [Indexed: 12/24/2022] Open
Abstract
Helicobacter pylori is known as an important determinant of preneoplastic lesions or gastric cancer (GC) risk. The bacterial genotypes may determine the clinical outcomes. However, the evidence for these associations has varied between and within continents, and the actual effect of each gene and corresponding allelic variants are still debatable. In recent years, two new models have been proposed to predict the risk of GC; the phylogeographic origin of H. pylori strains and a disrupted co-evolution between H. pylori and its human host, which potentially explain the geographic differences in the risk of H. pylori-related cancer. However, these models and earlier ones based on putative virulence factors of the bacterium may not fully justify differences in the incidence of GC, reflecting that new theories should be developed and examined. Notably, the new findings also support the role of ancestry-specific germline alteration in contributing to the ethnic/population differences in cancer risk. Moreover the high and low incidence areas of GC have shown differences in transmission ecology, largely affecting the composition of H. pylori populations. As a new hypothesis, it is proposed that any high-risk population may have its own specific risk loci (or variants) as well as new H. pylori strains with national/maybe regional gene pools that should be considered. The latter is seen in the Americas where the rapid evolution of distinct H. pylori subpopulations has been occurred. It is therefore proposed that the deep sequencing of both H. pylori and its human host is simultaneously performed in GC patients and age-sex-matched controls from high-risk areas. The expression and functional activities of the identified new determinants of GC must then be assessed and matched with human and pathogen ancestry, because some of risk loci are ancestry-specific. In addition, potential study-level covariates and moderator variables (eg physical conditions, life styles, gastric microbiome, etc) linked to causal relationships, and their impact, should be recognized and controlled.
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Affiliation(s)
- Seyedeh Zahra Bakhti
- Department of Biology, Faculty of Sciences, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Saeid Latifi-Navid
- Department of Biology, Faculty of Sciences, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Reza Safaralizadeh
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
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Clyne M, Rowland M. The Role of Host Genetic Polymorphisms in Helicobacter pylori Mediated Disease Outcome. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1149:151-172. [PMID: 31016623 DOI: 10.1007/5584_2019_364] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The clinical outcome of infection with the chronic gastric pathogen Helicobacter pylori is not the same for all individuals and also differs in different ethnic groups. Infection occurs in early life (<3 years of age), and while all infected persons mount an immune response and develop gastritis, the majority of individuals are asymptomatic. However, up to 10-15% develop duodenal ulceration, up to 1% develop gastric cancer (GC) and up to 0.1% can develop gastric mucosa-associated lymphoid tissue (MALT) lymphoma. The initial immune response fails to clear infection and H. pylori can persist for decades. H. pylori has been classified as a group one carcinogen by the WHO. Interestingly, development of duodenal ulceration protects against GC. Factors that determine the outcome of infection include the genotype of the infecting strains and the environment. Host genetic polymorphisms have also been identified as factors that play a role in mediating the clinical outcome of infection. Several studies present compelling evidence that polymorphisms in genes involved in the immune response such as pro and anti-inflammatory cytokines and pathogen recognition receptors (PRRs) play a role in modulating disease outcome. However, as the number of studies grows emerging confounding factors are small sample size and lack of appropriate controls, lack of consideration of environmental and bacterial factors and ethnicity of the population. This chapter is a review of current evidence that host genetic polymorphisms play a role in mediating persistent H. pylori infection and the consequences of the subsequent inflammatory response.
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Affiliation(s)
- Marguerite Clyne
- School of Medicine and The Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland.
| | - Marion Rowland
- School of Medicine, University College Dublin, Dublin, Ireland
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Pucułek M, Machlowska J, Wierzbicki R, Baj J, Maciejewski R, Sitarz R. Helicobacter pylori associated factors in the development of gastric cancer with special reference to the early-onset subtype. Oncotarget 2018; 9:31146-31162. [PMID: 30123433 PMCID: PMC6089554 DOI: 10.18632/oncotarget.25757] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 06/22/2018] [Indexed: 02/07/2023] Open
Abstract
Nowadays, gastric cancer is one of the most common neoplasms and the fourth cause of cancer-related death on the world. Regarding the age at the diagnosis it is divided into early-onset gastric carcinoma (45 years or younger) and conventional gastric cancer (older than 45). Gastric carcinomas are rarely observed in young population and rely mostly on genetic factors, therefore provide the unique model to study genetic and environmental alternations. The latest research on early-onset gastric cancer are trying to explain molecular and genetic basis, because young patients are less exposed to environmental factors predisposing to cancer. In the general population, Helicobacter pylori, has been particularly associated with intestinal subtype of gastric cancers. The significant association of Helicobacter pylori infection in young patients with gastric cancers suggests that the bacterium has an etiologic role in both diffuse and intestinal subtypes of early-onset gastric cancers. In this paper we would like to ascertain the possible role of Helicobacter pylori infection in the development of gastric carcinoma in young patients. The review summarizes recent literature on early-onset gastric cancers with special reference to Helicobacter pylori infection.
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Affiliation(s)
| | | | - Ryszard Wierzbicki
- 2 Department of Surgery with Trauma, Orthopaedic and Urological Subunit, Independent Public Health Care Center of the Ministry of Interior and Administration in Lublin, Poland
- 3 Department of Surgical Oncology, Medical University of Lublin, Poland
| | - Jacek Baj
- 1 Department of Human Anatomy, Medical University of Lublin, Poland
| | | | - Robert Sitarz
- 1 Department of Human Anatomy, Medical University of Lublin, Poland
- 2 Department of Surgery with Trauma, Orthopaedic and Urological Subunit, Independent Public Health Care Center of the Ministry of Interior and Administration in Lublin, Poland
- 4 Department of Surgery, St. John's Cancer Center, Lublin, Poland
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Bagheri N, Salimzadeh L, Shirzad H. The role of T helper 1-cell response in Helicobacter pylori-infection. Microb Pathog 2018; 123:1-8. [PMID: 29936093 DOI: 10.1016/j.micpath.2018.06.033] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 06/19/2018] [Accepted: 06/21/2018] [Indexed: 12/11/2022]
Abstract
Helicobacter pylori (H. pylori) is a human pathogen affecting over 50% of the world population. This pathogen is usually associated with chronic inflammation of the gastric mucosa that can lead to peptic ulcer disease (PUD) and gastric cancer (GC), especially in susceptible individuals. These outcomes have been attributed to the interaction of several factors, including host genetic susceptibility, local innate and adaptive immune responses, virulence factors of H. pylori, and environmental factors. T helper (Th) cell subsets and their signature cytokines especially IFN-γ, contribute to anti-bacterial response, but at the mean time sustaining chronic inflammatory responses in the site of infection. It has been acknowledged that H. pylori-infection results in a Th1-dominant response and that inflammation of the gastric mucosa depends mainly on Th1 cell responses. But, the mechanism of the role of Th1 cell responses in H. pylori-infection has not yet been clearly explained. In this review, we will focus on the role of Th1 involved in H. pylori-infection, its interaction with Th17/Treg cells and its association with the clinical consequences of the infection.
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Affiliation(s)
- Nader Bagheri
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran.
| | - Loghman Salimzadeh
- Department of Microbiology and Immunology Programme, National University of Singapore, Singapore
| | - Hedayatollah Shirzad
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran.
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Zhang J, Sun X, Wang J, Zhang F, Li X, Han J. Association of the IL-1RN variable number of tandem repeat polymorphism and Helicobacter pylori infection: A meta-analysis. PLoS One 2017; 12:e0175052. [PMID: 28384207 PMCID: PMC5383105 DOI: 10.1371/journal.pone.0175052] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 03/20/2017] [Indexed: 12/12/2022] Open
Abstract
The aim of this study was to clarify the association of IL-1RN variable number of tandem repeat (VNTR) polymorphism and H. pylori infection. We performed a meta-analysis of studies retrieved by systematic searches of Pubmed, Embase and the Cochrane Library. Data were analyzed with STATA 13.1 using pooled odds ratios (ORs) with 95% confidence intervals (CIs). A total of 18 studies were included in our meta-analysis, and IL-1RN VNTR was found to be significantly associated with H. pylori infection in the comparisons of 22+2L vs. LL (OR = 1.17, 95% CI = 1.02-1.33) and 2 allele vs. L allele (OR = 1.18, 95% CI = 1.00-1.40). Stratified analyses on study designs and ethnicities were also conducted. IL-1RN VNTR was positively correlated with H. pylori infection in Asian subgroup and Hospital-Based subgroup (i.e., study samples obtained from hospital inpatients). In conclusion, our study demonstrated that IL-1RN VNTR polymorphism might increase the risk of H. pylori infection, especially in Asians.
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Affiliation(s)
- Jinhua Zhang
- Department of Gastroenterology, Second Hospital of Gansu Province, Lanzhou, China
- Department of Medicine, School of Second Clinical Medicine, Northwest University for Nationalities, Lanzhou, China
- * E-mail: (JH); (JHZ)
| | - Xudong Sun
- Department of Pathogenic Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Jiemin Wang
- Department of Gastroenterology, Liangzhou Hospital, Wuwei, China
| | - Fuhua Zhang
- Department of Gastroenterology, Second Hospital of Gansu Province, Lanzhou, China
- Department of Medicine, School of Second Clinical Medicine, Northwest University for Nationalities, Lanzhou, China
| | - Xiaohua Li
- Department of Gastroenterology, Liangzhou Hospital, Wuwei, China
| | - Jian Han
- Department of Pathogenic Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
- * E-mail: (JH); (JHZ)
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Zabaglia LM, Rays MS, de Labio RW, Neto AC, Payão SLM, Rasmussen LT. Association between interleukin-1β polymorphisms and gastric disease in children: A correlation with Helicobacter pylori. ASIAN PACIFIC JOURNAL OF TROPICAL DISEASE 2016. [DOI: 10.1016/s2222-1808(16)61117-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Sun X, Xu Y, Wang L, Zhang F, Zhang J, Fu X, Jing T, Han J. Association between TNFA Gene Polymorphisms and Helicobacter pylori Infection: A Meta-Analysis. PLoS One 2016; 11:e0147410. [PMID: 26815578 PMCID: PMC4729674 DOI: 10.1371/journal.pone.0147410] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 01/04/2016] [Indexed: 12/18/2022] Open
Abstract
Background Several host genetic factors are thought to affect susceptibility to Helicobacter pylori infection-related diseases, including tumor necrosis factor (TNF)-α. Previous studies have evaluated the association between TNFA gene polymorphisms and H. pylori infection, but the results were inconclusive. We conducted this meta-analysis to clarify the association between TNFA polymorphisms and H. pylori infection. Methods Published literature within PubMed, Embase, and the Cochrane Library were used in our meta-analysis. Data were analyzed with the Stata13.1 software package using pooled odds ratios (ORs) with 95% confidence intervals (CI). Results A total of 24 studies were included in our study. The TNFA -308G>A polymorphism was associated with decreasing H. pylori infection (AA vs. AG+GG, OR = 0.64, 95% CI = 0.43–0.97; AA vs. GG, OR = 0.64, 95% CI = 0.43–0.97). A significantly decreased risk was also found for -1031T>C polymorphism (CC vs. CT+TT, OR = 0.61, 95% CI = 0.44–0.84). -863C>A polymorphism was associated with increasing risk of H. pylori infection (AA+AC vs. CC, OR = 1.47, 95% CI = 1.16–1.86; A allele vs. C allele, OR = 1.40, 95% CI = 1.14–1.72). There was no significant association between -857C>T polymorphism and H. pylori infection. When stratified analysis was conducted on H. pylori infection detection methods, -857C>T and -863C>A polymorphisms were associated with H. pylori infection for the non-ELISA subgroup. When stratified for ethnicity or study design, -863C>A significantly increased the risk and -1031T>C decreased the risk for the Asian subgroup and hospital-based subgroup. Conclusion Results of our meta-analysis demonstrate that TNFA -308G>A and -1031 T>C polymorphisms may be protective factors against H. pylori infection, and -863C>A may be a risk factor, especially in Asian populations. Further studies with larger sample sizes are required to validate these results.
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Affiliation(s)
- Xudong Sun
- Department of Pathogenic Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Yuanyuan Xu
- Department of Pathogenic Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Li Wang
- Department of Pathogenic Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Fuhua Zhang
- Department of Gastroenterology, Second Hospital of Gansu Province, Lanzhou, China
| | - Jinhua Zhang
- Department of Gastroenterology, Second Hospital of Gansu Province, Lanzhou, China
| | - Ximei Fu
- Department of Pathogenic Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Tao Jing
- Department of Pathogenic Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Jian Han
- Department of Pathogenic Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
- * E-mail:
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Hong JB, Zuo W, Wang AJ, Lu NH. Helicobacter pylori Infection Synergistic with IL-1β Gene Polymorphisms Potentially Contributes to the Carcinogenesis of Gastric Cancer. Int J Med Sci 2016; 13:298-303. [PMID: 27076787 PMCID: PMC4829543 DOI: 10.7150/ijms.14239] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 03/31/2016] [Indexed: 12/14/2022] Open
Abstract
Helicobacter pylori (H. pylori) infection is the most common chronic bacterial infection in the world and the etiological agent for most gastric cancer (GC). Interleukin-1β (IL-1β) is a potent proinflammatory cytokine, and its deregulation is closely associated with the tumorigenesis of several cancers. Recent studies have revealed that the IL-1β-31 and -511T alleles are closely associated with gastric carcinogenesis due to their roles in the induction of gastric precancerous lesions and hypochlorhydria. Furthermore, H. pylori infection has a synergistic effect on the development of GC with IL-1β gene polymorphisms, and the highest prevalence of severe gastric abnormalities are found in patients with both host and bacterial high-risk genotypes (cagA(+)/vacAs1(+)/IL-1β-511T). Therefore, these recent advances demonstrate that H. pylori synergistic with IL-1β gene polymorphisms contribute to the gastric carcinogenesis by their involvement in precancerous gastric lesions and low gastric acid secretion.
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Affiliation(s)
- Jun-Bo Hong
- 1. Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Wei Zuo
- 2. Department of Respiratory Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 330006, China
| | - An-Jiang Wang
- 1. Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Nong-Hua Lu
- 1. Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 330006, China
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