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Wen W, Ertas YN, Erdem A, Zhang Y. Dysregulation of autophagy in gastric carcinoma: Pathways to tumor progression and resistance to therapy. Cancer Lett 2024; 591:216857. [PMID: 38583648 DOI: 10.1016/j.canlet.2024.216857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/22/2024] [Accepted: 04/02/2024] [Indexed: 04/09/2024]
Abstract
The considerable death rates and lack of symptoms in early stages of gastric cancer (GC) make it a major health problem worldwide. One of the most prominent risk factors is infection with Helicobacter pylori. Many biological processes, including those linked with cell death, are disrupted in GC. The cellular "self-digestion" mechanism necessary for regular balance maintenance, autophagy, is at the center of this disturbance. Misregulation of autophagy, however, plays a role in the development of GC. In this review, we will examine how autophagy interacts with other cell death processes, such as apoptosis and ferroptosis, and how it affects the progression of GC. In addition to wonderful its role in the epithelial-mesenchymal transition, it is engaged in GC metastasis. The role of autophagy in GC in promoting drug resistance stands out. There is growing interest in modulating autophagy for GC treatment, with research focusing on natural compounds, small-molecule inhibitors, and nanoparticles. These approaches could lead to breakthroughs in GC therapy, offering new hope in the fight against this challenging disease.
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Affiliation(s)
- Wen Wen
- Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Liaoning Clinical Research Center for Laboratory Medicine, Shenyang, China
| | - Yavuz Nuri Ertas
- Department of Biomedical Engineering, Erciyes University, Kayseri, Turkey; ERNAM-Nanotechnology Research and Application Center, Erciyes University, Kayseri, Turkey.
| | - Ahmet Erdem
- Institute for Quantitative Health Science and Engineering (IQ), Department of Biomedical Engineering, College of Engineering and Human Medicine, Michigan State University, East Lansing, MI, 48824, USA; Department of Biomedical Engineering, Kocaeli University, Umuttepe Campus, Kocaeli, 41001 Turkey.
| | - Yao Zhang
- Department of Gynaecology, Shengjing Hospital of China Medical University, Shenyang, China.
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2
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Sun L, He Y, Chen J, Yang X, Ding Y, Shi M, He A, Zhang P, Huang Z, Li R. Bioinformatics analysis identifies potential autophagy key genes and immune infiltration in preeclampsia. J Obstet Gynaecol Res 2024; 50:618-632. [PMID: 38350492 DOI: 10.1111/jog.15902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 01/30/2024] [Indexed: 02/15/2024]
Abstract
BACKGROUND Preeclampsia (PE) is a disease that seriously threatens maternal and fetal health. Appropriate autophagy can shield the placenta from oxidative stress, but its role in PE is unclear. OBJECTIVE To identify potential autophagy-related genes in PE. METHODS Microarray datasets from the Gene Expression Omnibus database, compassing the test dataset GSE10588, along with validation datasets GSE4707 and GSE60438 GPL10558, were utilized. Differentially expressed genes (DEGs) were identified using the limma R package, intersected with autophagy-related genes. Hub genes were obtained using the Cytoscape software and analyzed via gene set enrichment analysis (GSEA). The diagnostic capability of hub genes was evaluated using receiver operating characteristic (ROC) curve analysis. Analysis of immune cell infiltration was conducted using single-sample gene set enrichment analysis (ssGSEA) and CIBERSORT methods. Placental tissues were collected from 10 normal pregnant women and 10 preeclamptic pregnant women, and the expression of hub genes was validated through immunohistochemistry and western blot analysis. RESULTS Analysis of the microarray data identified 2224 DEGs, among which 26 were autophagy-related DEGs identified through intersection with autophagy genes. Ten hub genes were identified. Immune cell infiltration analysis suggested the potential involvement of T regulatory cells (Tregs), natural killer cells, neutrophils, and T follicular helper cells in the pathogenesis of PE. ROC curve analysis indicated promising diagnostic capabilities for EGFR and TP53. Additionally, levels of EGFR and TP53 were significantly higher in placental tissue from PE pregnancies compared to normal pregnancies. CONCLUSION EGFR and TP53 may play a role in PE by influencing autophagy.
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Affiliation(s)
- Lu Sun
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Yanhong He
- Department of Obstetrics and Gynecology, The Affiliated Shunde hospital of Jinan University, the Second People's Hospital of Shunde, Foshan, China
| | - Jie Chen
- Department of Obstetrics and Gynecology, The Affiliated Shunde hospital of Jinan University, the Second People's Hospital of Shunde, Foshan, China
| | - Xiaofeng Yang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Yuzhen Ding
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Meiting Shi
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Andong He
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Ping Zhang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Zhengrui Huang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Ruiman Li
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Guangzhou, China
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Wu Q, Ouyang Y. Association of ATG16L1 and ATG5 gene polymorphisms with susceptibility to hepatitis B virus infection and progression to HCC in central China. Microbiol Immunol 2024; 68:47-55. [PMID: 37991129 DOI: 10.1111/1348-0421.13104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 10/31/2023] [Accepted: 11/05/2023] [Indexed: 11/23/2023]
Abstract
Hepatitis B virus (HBV) infection is a severe public health problem worldwide. The relationship between polymorphisms of autophagy-related 16-like 1 gene (ATG16L1) and autophagy-related gene 5 (ATG5) with susceptibility to the stage of HBV infection has been reported in different populations. Nevertheless, this association is not seen in the population of central China. This study recruited 452 participants, including 246 HBV-infected patients (139 chronically infected HBV without hepatocellular carcinoma [HCC] and 107 HBV-related HCC patients) and 206 healthy controls. Genotyping of ATG16L1 rs2241880 and ATG5 rs688810 were performed using Sanger sequencing and polymerase chain reaction-restriction fragment length polymorphism, respectively. Our results indicated that the G allele of ATG16L1 rs2241880 was more frequent in healthy controls than in patients with chronicHBV infection. After adjusting for age and sex, an association between the ATG16L1 rs2241880 polymorphism and HBV infection was significant under the dominant and allele models (p = 0.009 and 0.003, respectively). However, no association between the ATG5 polymorphisms and HBV infection was observed. We also did not find a significant association between ATG16L1 and ATG5 polymorphisms and the progression of HBV-related HCC. Therefore, the genetic polymorphism of ATG16L1 rs2241880 may be associated with susceptibility to HBV infection in the population of central China.
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Affiliation(s)
- Qiaoyu Wu
- Department of Laboratory Medicine, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, China
| | - Yaoling Ouyang
- Department of Laboratory Medicine, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, China
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4
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Shaopeng Z, Yang Z, Yuan F, Chen H, Zhengjun Q. Regulation of regulatory T cells and tumor-associated macrophages in gastric cancer tumor microenvironment. Cancer Med 2024; 13:e6959. [PMID: 38349050 PMCID: PMC10839124 DOI: 10.1002/cam4.6959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 01/10/2024] [Accepted: 01/14/2024] [Indexed: 02/15/2024] Open
Abstract
INTRODUCTION Despite advancements in the methods for prevention and early diagnosis of gastric cancer (GC), GC continues to be the fifth in incidence among major cancers and the third most common cause of cancer-related death. The therapeutic effects of surgery and drug treatment are still unsatisfied and show notable differences according to the tumor microenvironment (TME) of GC. METHODS Through screening Pubmed, Embase, and Web of Science, we identified and summarized the content of recent studies that focus on the investigation of Helicobacter pylori (Hp) infection, regulatory T cells (Tregs), and tumor-associated macrophages (TAMs) in the TME of GC. Furthermore, we searched and outlined the clinical research progress of various targeted drugs in GC treatment including CTLA-4, PD-1\PD-L1, and VEGF/VEGFR. RESULTS In this review, the findings indicate that Hp infection causes local inflammation and leads to immunosuppressive environment. High Tregs infiltration in the TME of GC is associated with increased induction and recruitment; the exact function of infiltrated Tregs in GC was also affected by phenotypes and immunosuppressive molecules. TAMs promote the development and metastasis of tumors, the induction, recruitment, and function of TAMs in the TME of gastric cancer are also regulated by various factors. CONCLUSION Discussing the distinct tumor immune microenvironment (TIME) of GC can deepen our understanding on the mechanism of cancer immune evasion, invasion, and metastasis, help us to reduce the incidence of GC, and guide the innovation of new therapeutic targets for GC eventually.
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Affiliation(s)
- Zhang Shaopeng
- Department of Gastrointestinal Surgery, Shanghai General HospitalShanghai Jiaotong University School of MedicineShanghaiChina
| | - Zheng Yang
- Department of Gastrointestinal Surgery, Shanghai General HospitalShanghai Jiaotong University School of MedicineShanghaiChina
| | - Fang Yuan
- Department of Gastrointestinal Surgery, Shanghai General HospitalShanghai Jiaotong University School of MedicineShanghaiChina
| | - Huang Chen
- Department of Gastrointestinal Surgery, Shanghai General HospitalShanghai Jiaotong University School of MedicineShanghaiChina
| | - Qiu Zhengjun
- Department of Gastrointestinal Surgery, Shanghai General HospitalShanghai Jiaotong University School of MedicineShanghaiChina
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Zhang L, Xu F, Lu H, Dong X, Gao Z, Zhao Q, Weng T, Li H, Ye H. Data-independent acquisition (DIA) mass spectrometry reveals related proteins involved in the occurrence of early intestinal-type gastric cancer. Med Oncol 2023; 41:23. [PMID: 38114688 DOI: 10.1007/s12032-023-02241-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 11/07/2023] [Indexed: 12/21/2023]
Abstract
Identifying proteins associated with the onset of early intestinal-type gastric cancer (EIGC) can yield valuable insights into the pathogenesis of this specific subtype of gastric cancer. Data-independent acquisition mass spectroscopy (DIA-MS) was utilized to identify the differential protein between 10 cases of EIGC and atrophic gastritis with intestinal metaplasia (NGC). The expressions of IPO4, TBL1XR1, p62/SQSTM1, PKP3, and CRTAP were verified by immunohistochemistry (IHC) in 20 EIGC samples, 17 gastric low-grade intraepithelial neoplasia (LGIN) samples, and 21 healthy controls. The prognostic values of the five genes were validated in the transcriptome data by survival analysis. A total of 4,028 proteins were identified using DIA-MS and a total of 177 differential proteins were screened with log2(fold change) > 1.5. Among them, 113 proteins were significantly up-regulated, and 64 proteins were significantly down-regulated in EIGC tissues. IHC results showed that proteins IPO4, TBL1XR1, p62/SQSTM1, PKP3, and CRTAP were highly expressed in the cytoplasm of EIGC and LGIN, which was consistent with the results of DIA-MS. Among them, p62/SQSTM1 may undergo nuclear-cytoplasmic transfer. The five protein-coding genes were associated with intestinal-type gastric cancer survival and exhibited differential expression across various disease stages. The study successfully identified differentially expressed proteins between EIGC and NGC, providing potential biomarkers and valuable insights into the mechanism underlying intestinal-type gastric cancer.
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Affiliation(s)
- Liangshun Zhang
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, 315046, Zhejiang, People's Republic of China
| | - Feng Xu
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, 315046, Zhejiang, People's Republic of China
| | - Hongna Lu
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, 315046, Zhejiang, People's Republic of China
| | - Xianwen Dong
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, 315046, Zhejiang, People's Republic of China
| | - Zhiqiang Gao
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, 315046, Zhejiang, People's Republic of China
| | - Qiaosu Zhao
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, 315046, Zhejiang, People's Republic of China
| | - Ting Weng
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, 315046, Zhejiang, People's Republic of China
| | - Hong Li
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, 315046, Zhejiang, People's Republic of China.
| | - Hua Ye
- The Affiliated Lihuili Hospital, Ningbo University, Ningbo, 315046, Zhejiang, People's Republic of China.
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6
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Wu S, Chen Y, Chen Z, Wei F, Zhou Q, Li P, Gu Q. Reactive oxygen species and gastric carcinogenesis: The complex interaction between Helicobacter pylori and host. Helicobacter 2023; 28:e13024. [PMID: 37798959 DOI: 10.1111/hel.13024] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 09/10/2023] [Accepted: 09/21/2023] [Indexed: 10/07/2023]
Abstract
Helicobacter pylori (H. pylori) is a highly successful human pathogen that colonizes stomach in around 50% of the global population. The colonization of bacterium induces an inflammatory response and a substantial rise in the production of reactive oxygen species (ROS) and reactive nitrogen species (RNS), mostly derived from host neutrophils and gastric epithelial cells, which play a crucial role in combating bacterial infections. However, H. pylori has developed various strategies to quench the deleterious effects of ROS, including the production of antioxidant enzymes, antioxidant proteins as well as blocking the generation of oxidants. The host's inability to eliminate H. pylori infection results in persistent ROS production. Notably, excessive ROS can disrupt the intracellular signal transduction and biological processes of the host, incurring chronic inflammation and cellular damage, such as DNA damage, lipid peroxidation, and protein oxidation. Markedly, the sustained inflammatory response and oxidative stress during H. pylori infection are major risk factor for gastric carcinogenesis. In this context, we summarize the literature on H. pylori infection-induced ROS production, the strategies used by H. pylori to counteract the host response, and subsequent host damage and gastric carcinogenesis.
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Affiliation(s)
- Shiying Wu
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Yongqiang Chen
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Ziqi Chen
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Fangtong Wei
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Qingqing Zhou
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Ping Li
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Qing Gu
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
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Lu C, Xie L, Qiu S, Jiang T, Wang L, Chen Z, Xia Y, Lv J, Li Y, Li B, Gu C, Xu Z. Small Extracellular Vesicles Derived from Helicobacter Pylori-Infected Gastric Cancer Cells Induce Lymphangiogenesis and Lymphatic Remodeling via Transfer of miR-1246. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2308688. [PMID: 37946695 DOI: 10.1002/smll.202308688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Indexed: 11/12/2023]
Abstract
Lymph node metastasis (LNM) is a significant barrier to the prognosis of patients with gastric cancer (GC). Helicobacter pylori (H. pylori)-positive GC patients experience a higher rate of LNM than H. pylori-negative GC patients. However, the underlying mechanism remains unclear. Based on the findings of this study, H. pylori-positive GC patients have greater lymphangiogenesis and lymph node immunosuppression than H. pylori-negative GC patients. In addition, miR-1246 is overexpressed in the plasma small extracellular vesicles (sEVs) of H. pylori-positive GC patients, indicating a poor prognosis. Functionally, sEVs derived from GC cells infected with H. pylori deliver miR-1246 to lymphatic endothelial cells (LECs) and promote lymphangiogenesis and lymphatic remodeling. Mechanistically, miR-1246 suppresses GSK3β expression and promotes β-Catenin and downstream MMP7 expression in LECs. miR-1246 also stabilizes programmed death ligand-1 (PD-L1) by suppressing GSK3β and induces the apoptosis of CD8+ T cells. Overall, miR-1246 in plasma sEVs may be a novel biomarker and therapeutic target in GC-LNM.
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Affiliation(s)
- Chen Lu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
- The First Clinical Medical College of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
| | - Li Xie
- Department of General Surgery, Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | - Shengkui Qiu
- Department of General Surgery, The Second Affiliated Hospital of Nantong University, Nantong, Jiangsu, 226001, China
| | - Tianlu Jiang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
- The First Clinical Medical College of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
| | - Luyao Wang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
- The First Clinical Medical College of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
| | - Zetian Chen
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
- The First Clinical Medical College of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
| | - Yiwen Xia
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
- The First Clinical Medical College of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
| | - Jialun Lv
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
- The First Clinical Medical College of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
| | - Ying Li
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
- The First Clinical Medical College of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
| | - Bowen Li
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
| | - Chao Gu
- Department of General Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, Jiangsu, 215000, China
| | - Zekuan Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210000, China
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, Jiangsu, 210000, China
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Seeger AY, Zaidi F, Alhayek S, Jones RM, Zohair H, Holland RL, Kim IJ, Blanke SR. Host cell sensing and restoration of mitochondrial function and metabolism within Helicobacter pylori VacA intoxicated cells. mBio 2023; 14:e0211723. [PMID: 37815365 PMCID: PMC10653863 DOI: 10.1128/mbio.02117-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 08/23/2023] [Indexed: 10/11/2023] Open
Abstract
IMPORTANCE Persistent human gastric infection with Helicobacter pylori is the single most important risk factor for development of gastric malignancy, which is one of the leading causes of cancer-related deaths worldwide. An important virulence factor for Hp colonization and severity of gastric disease is the protein exotoxin VacA, which is secreted by the bacterium and modulates functional properties of gastric cells. VacA acts by damaging mitochondria, which impairs host cell metabolism through impairment of energy production. Here, we demonstrate that intoxicated cells have the capacity to detect VacA-mediated damage, and orchestrate the repair of mitochondrial function, thereby restoring cellular health and vitality. This study provides new insights into cellular recognition and responses to intracellular-acting toxin modulation of host cell function, which could be relevant for the growing list of pathogenic microbes and viruses identified that target mitochondria as part of their virulence strategies.
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Affiliation(s)
- Ami Y. Seeger
- Department of Microbiology, University of Illinois, Urbana, Illinois, USA
| | - Faisal Zaidi
- Department of Microbiology, University of Illinois, Urbana, Illinois, USA
| | - Sammy Alhayek
- Department of Microbiology, University of Illinois, Urbana, Illinois, USA
| | - Rachel M. Jones
- Department of Microbiology, University of Illinois, Urbana, Illinois, USA
| | - Huzaifa Zohair
- Department of Microbiology, University of Illinois, Urbana, Illinois, USA
| | - Robin L. Holland
- Department of Pathobiology, University of Illinois, Urbana, Illinois, USA
| | - Ik-Jung Kim
- Department of Microbiology, University of Illinois, Urbana, Illinois, USA
- Buck Institute for Research on Aging, Novato, California, USA
| | - Steven R. Blanke
- Department of Microbiology, University of Illinois, Urbana, Illinois, USA
- Department of Pathobiology, University of Illinois, Urbana, Illinois, USA
- Department of Biomedical and Translational Medicine, University of Illinois, Urbana, Illinois, USA
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9
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Sun Q, Yuan C, Zhou S, Lu J, Zeng M, Cai X, Song H. Helicobacter pylori infection: a dynamic process from diagnosis to treatment. Front Cell Infect Microbiol 2023; 13:1257817. [PMID: 37928189 PMCID: PMC10621068 DOI: 10.3389/fcimb.2023.1257817] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 10/05/2023] [Indexed: 11/07/2023] Open
Abstract
Helicobacter pylori, a gram-negative microaerophilic pathogen, causes several upper gastrointestinal diseases, such as chronic gastritis, peptic ulcer disease, and gastric cancer. For the diseases listed above, H. pylori has different pathogenic mechanisms, including colonization and virulence factor expression. It is essential to make accurate diagnoses and provide patients with effective treatment to achieve positive clinical outcomes. Detection of H. pylori can be accomplished invasively and noninvasively, with both having advantages and limitations. To enhance therapeutic outcomes, novel therapeutic regimens, as well as adjunctive therapies with probiotics and traditional Chinese medicine, have been attempted along with traditional empiric treatments, such as triple and bismuth quadruple therapies. An H. pylori infection, however, is difficult to eradicate during treatment owing to bacterial resistance, and there is no commonly available preventive vaccine. The purpose of this review is to provide an overview of our understanding of H. pylori infections and to highlight current treatment and diagnostic options.
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Affiliation(s)
- Qifang Sun
- School of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Traditional Chinese Medicine (TCM) Diagnostics, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Chengzhi Yuan
- Hunan Provincial Key Laboratory of Traditional Chinese Medicine (TCM) Diagnostics, Hunan University of Chinese Medicine, Changsha, Hunan, China
- School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Sainan Zhou
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Jing Lu
- School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Meiyan Zeng
- School of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Xiong Cai
- School of International Education, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Houpan Song
- School of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
- Hunan Provincial Key Laboratory of Traditional Chinese Medicine (TCM) Diagnostics, Hunan University of Chinese Medicine, Changsha, Hunan, China
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10
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Nabavi-Rad A, Yadegar A, Sadeghi A, Aghdaei HA, Zali MR, Klionsky DJ, Yamaoka Y. The interaction between autophagy, Helicobacter pylori, and gut microbiota in gastric carcinogenesis. Trends Microbiol 2023; 31:1024-1043. [PMID: 37120362 PMCID: PMC10523907 DOI: 10.1016/j.tim.2023.04.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/31/2023] [Accepted: 04/04/2023] [Indexed: 05/01/2023]
Abstract
Chronic infection with Helicobacter pylori is the primary risk factor for the development of gastric cancer. Hindering our ability to comprehend the precise role of autophagy during H. pylori infection is the complexity of context-dependent autophagy signaling pathways. Recent and ongoing progress in understanding H. pylori virulence allows new frontiers of research for the crosstalk between autophagy and H. pylori. Novel approaches toward discovering autophagy signaling networks have further revealed their critical influence on the structure of gut microbiota and the metabolome. Here we intend to present a holistic view of the perplexing role of autophagy in H. pylori pathogenesis and carcinogenesis. We also discuss the intermediate role of autophagy in H. pylori-mediated modification of gut inflammatory responses and microbiota structure.
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Affiliation(s)
- Ali Nabavi-Rad
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Yadegar
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Amir Sadeghi
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Asadzadeh Aghdaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Zali
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Daniel J Klionsky
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA; Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Yoshio Yamaoka
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, Oita, Japan; Department of Medicine, Gastroenterology and Hepatology Section, Baylor College of Medicine, Houston, TX, USA; Research Center for Global and Local Infectious Diseases, Oita University, Oita, Japan.
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11
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Xu JY, Fan JX, Hu M, Zeng J. Microorganism-regulated autophagy in gastrointestinal cancer. PeerJ 2023; 11:e16130. [PMID: 37786582 PMCID: PMC10541808 DOI: 10.7717/peerj.16130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 08/28/2023] [Indexed: 10/04/2023] Open
Abstract
Gastrointestinal cancer has always been one of the most urgent problems to be solved, and it has become a major global health issue. Microorganisms in the gastrointestinal tract regulate normal physiological and pathological processes. Accumulating evidence reveals the role of the imbalance in the microbial community during tumorigenesis. Autophagy is an important intracellular homeostatic process, where defective proteins and organelles are degraded and recycled under stress. Autophagy plays a dual role in tumors as both tumor suppressor and tumor promoter. Many studies have shown that autophagy plays an important role in response to microbial infection. Here, we provide an overview on the regulation of the autophagy signaling pathway by microorganisms in gastrointestinal cancer.
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Affiliation(s)
- Jun-Yu Xu
- Chongqing Normal University, Chongqing, China
| | | | - Min Hu
- Chongqing Normal University, Chongqing, China
| | - Jun Zeng
- Chongqing Normal University, Chongqing, China
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12
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Sakatani A, Hayashi Y, Saiki H, Kato M, Uema R, Inoue T, Kimura K, Yoshii S, Tsujii Y, Shinzaki S, Iijima H, Takehara T. A novel role for Helicobacter pylori cytotoxin-associated gene A in negative regulation of autophagy in human gastric cells. BMC Gastroenterol 2023; 23:326. [PMID: 37740192 PMCID: PMC10517455 DOI: 10.1186/s12876-023-02944-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 08/31/2023] [Indexed: 09/24/2023] Open
Abstract
BACKGROUND Autophagy plays an important role in carcinogenesis and tumor progression in many cancers, including gastric cancer. Cytotoxin-associated gene A (CagA) is a well-known virulent factor in Helicobacter pylori (H. pylori) infection that plays a critical role in gastric inflammation and gastric cancer development. However, its role in autophagy during these processes remains unclear. Therefore, we aimed to clarify the role of CagA in autophagy in CagA-related inflammation. METHODS We evaluated the autophagic index of AGS cells infected with wild-type cagA-positive H. pylori (Hp-WT) and cagA-knockout H. pylori (Hp-ΔcagA) and rat gastric mucosal (RGM1) cells transfected with CagA genes. To identify the mechanisms underlying the down regulation of autophagy in AGS cells infected with H. pylori, we evaluated protein and mRNA expression levels of autophagy core proteins using western blotting and quantitative reverse transcription-polymerase chain reaction (RT-PCR). To determine whether autophagy induced the expression of the pro-inflammatory mediator, cyclooxygenase-2 (COX-2), we evaluated COX-2 expression in AGS cells treated with an autophagy inducer and inhibitor and infected with H. pylori. In addition, we evaluated whether COX-2 protein expression in AGS cells influenced beclin-1 (BECN1) expression with si-RNA transfection when infected with H. pylori. RESULTS Autophagic flux assay using chloroquine showed that autophagy in AGS cells was significantly suppressed after H. pylori infection. The autophagic index of AGS cells infected with Hp-WT was decreased significantly when compared with that in AGS cells infected with Hp-ΔcagA. The autophagic index of RGM1 cells transfected with CagA was lower, suggesting that CagA inhibits autophagy. In addition, BECN1 expression levels in AGS cells infected with Hp-WT were reduced compared to those in AGS cells infected with Hp-ΔcagA. Furthermore, COX-2 expression in AGS cells infected with H. pylori was controlled in an autophagy-dependent manner. When AGS cells were transfected with small interfering RNA specific for BECN1 and infected with Hp-WT and Hp-ΔcagA, COX-2 was upregulated significantly in cells infected with Hp-ΔcagA. CONCLUSIONS In conclusion, the H. pylori CagA protein negatively regulated autophagy by downregulating BECN1. CagA-induced autophagy inhibition may be a causative factor in promoting pro-inflammatory mediator production in human gastric epithelial cells.
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Affiliation(s)
- Akihiko Sakatani
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Yoshito Hayashi
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Hirotsugu Saiki
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Minoru Kato
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Ryotaro Uema
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Takanori Inoue
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Keiichi Kimura
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Shunsuke Yoshii
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Yoshiki Tsujii
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Shinichiro Shinzaki
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Hideki Iijima
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan
| | - Tetsuo Takehara
- Department of Gastroenterology and Hepatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, Japan.
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13
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Mu T, Lu ZM, Wang WW, Feng H, Jin Y, Ding Q, Wang LF. Helicobacter pylori intragastric colonization and migration: Endoscopic manifestations and potential mechanisms. World J Gastroenterol 2023; 29:4616-4627. [PMID: 37662858 PMCID: PMC10472897 DOI: 10.3748/wjg.v29.i30.4616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 07/01/2023] [Accepted: 07/25/2023] [Indexed: 08/10/2023] Open
Abstract
After being ingested and entering the human stomach, Helicobacter pylori (H. pylori) adopts several effective strategies to adhere to and colonize the gastric mucosa and move to different regions of the stomach to obtain more nutrients and escape from the harsher environments of the stomach, leading to acute infection and chronic gastritis, which is the basis of malignant gastric tumors. The endoscopic manifestations and pathological features of H. pylori infection are diverse and vary with the duration of infection. In this review, we describe the endoscopic manifestations of each stage of H. pylori gastritis and then reveal the potential mechanisms of bacterial intragastric colonization and migration from the perspective of endoscopists to provide direction for future research on the effective therapy and management of H. pylori infection.
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Affiliation(s)
- Tong Mu
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
| | - Zhi-Ming Lu
- Department of Clinical Laboratory Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
| | - Wen-Wen Wang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
| | - Hua Feng
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
| | - Yan Jin
- Department of Clinical Laboratory Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
| | - Qian Ding
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
| | - Li-Fen Wang
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong Province, China
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14
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Holland RL, Bosi KD, Seeger AY, Blanke SR. Restoration of mitochondrial structure and function within Helicobacter pylori VacA intoxicated cells. ADVANCES IN MICROBIOLOGY 2023; 13:399-419. [PMID: 37654621 PMCID: PMC10470862 DOI: 10.4236/aim.2023.138026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
The Helicobacter pylori vacuolating cytotoxin (VacA) is an intracellular, mitochondrial-targeting exotoxin that rapidly causes mitochondrial dysfunction and fragmentation. Although VacA targeting of mitochondria has been reported to alter overall cellular metabolism, there is little known about the consequences of extended exposure to the toxin. Here, we describe studies to address this gap in knowledge, which have revealed that mitochondrial dysfunction and fragmentation are followed by a time-dependent recovery of mitochondrial structure, mitochondrial transmembrane potential, and cellular ATP levels. Cells exposed to VacA also initially demonstrated a reduction in oxidative phosphorylation, as well as increase in compensatory aerobic glycolysis. These metabolic alterations were reversed in cells with limited toxin exposure, congruent with the recovery of mitochondrial transmembrane potential and the absence of cytochrome c release from the mitochondria. Taken together, these results are consistent with a model that mitochondrial structure and function are restored in VacA-intoxicated cells.
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Affiliation(s)
- Robin L. Holland
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, Illinois, 61801
| | - Kristopher D. Bosi
- Department of Microbiology, School of Molecular and Cellular Biology, University of Illinois Urbana-Champaign, Urbana, Illinois, 61801
| | - Ami Y. Seeger
- Department of Microbiology, School of Molecular and Cellular Biology, University of Illinois Urbana-Champaign, Urbana, Illinois, 61801
| | - Steven R. Blanke
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois Urbana-Champaign, Urbana, Illinois, 61801
- Department of Microbiology, School of Molecular and Cellular Biology, University of Illinois Urbana-Champaign, Urbana, Illinois, 61801
- Biomedical and Translational Sciences Department, Carle Illinois College of Medicine, University of Illinois, Urbana, Illinois 61801
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15
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Xi Y, Zhang XL, Luo QX, Gan HN, Liu YS, Shao SH, Mao XH. Helicobacter pylori regulates stomach diseases by activating cell pathways and DNA methylation of host cells. Front Cell Dev Biol 2023; 11:1187638. [PMID: 37215092 PMCID: PMC10192871 DOI: 10.3389/fcell.2023.1187638] [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: 03/16/2023] [Accepted: 04/25/2023] [Indexed: 05/24/2023] Open
Abstract
One of the most prevalent malignant tumors of the digestive tract is gastric cancer (GC). Age, high salt intake, Helicobacter pylori (H. pylori) infection, and a diet deficient in fruits and vegetables are risk factors for the illness. A significant risk factor for gastric cancer is infection with H. pylori. Infecting gastric epithelial cells with virulence agents secreted by H. pylori can cause methylation of tumor genes or carcinogenic signaling pathways to be activated. Regulate downstream genes' aberrant expression, albeit the precise mechanism by which this happens is unclear. Oncogene, oncosuppressor, and other gene modifications, as well as a number of different gene change types, are all directly associated to the carcinogenesis of gastric cancer. In this review, we describe comprehensive H. pylori and its virulence factors, as well as the activation of the NF-κB, MAPK, JAK/STAT signaling pathways, and DNA methylation following infection with host cells via virulence factors, resulting in abnormal gene expression. As a result, host-related proteins are regulated, and gastric cancer progression is influenced. This review provides insight into the H. pylori infection, summarizes a series of relevant papers, discusses the complex signaling pathways underlying molecular mechanisms, and proposes new approach to immunotherapy of this important disease.
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Affiliation(s)
- Yue Xi
- School of Medicine, Jiangsu University, Zhenjiang, China
| | - Xiao-Li Zhang
- Department of Clinical Laboratory, The Affiliated Yixing Hospital of Jiangsu University, Wuxi, China
| | - Qing-Xin Luo
- School of Medicine, Jiangsu University, Zhenjiang, China
| | - Hai-Ning Gan
- School of Medicine, Jiangsu University, Zhenjiang, China
| | - Yu-Shi Liu
- School of Medicine, Jiangsu University, Zhenjiang, China
| | - Shi-He Shao
- School of Medicine, Jiangsu University, Zhenjiang, China
| | - Xu-Hua Mao
- Department of Clinical Laboratory, The Affiliated Yixing Hospital of Jiangsu University, Wuxi, China
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16
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Zhou S, Li C, Liu L, Yuan Q, Miao J, Wang H, Ding C, Guan W. Gastric microbiota: an emerging player in gastric cancer. Front Microbiol 2023; 14:1130001. [PMID: 37180252 PMCID: PMC10172576 DOI: 10.3389/fmicb.2023.1130001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 04/04/2023] [Indexed: 05/16/2023] Open
Abstract
Gastric cancer (GC) is a common cancer worldwide with a high mortality rate. Many microbial factors influence GC, of which the most widely accepted one is Helicobacter pylori (H. pylori) infection. H. pylori causes inflammation, immune reactions and activation of multiple signaling pathways, leading to acid deficiency, epithelial atrophy, dysplasia and ultimately GC. It has been proved that complex microbial populations exist in the human stomach. H. pylori can affect the abundance and diversity of other bacteria. The interactions among gastric microbiota are collectively implicated in the onset of GC. Certain intervention strategies may regulate gastric homeostasis and mitigate gastric disorders. Probiotics, dietary fiber, and microbiota transplantation can potentially restore healthy microbiota. In this review, we elucidate the specific role of the gastric microbiota in GC and hope these data can facilitate the development of effective prevention and therapeutic approaches for GC.
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Affiliation(s)
- Shizhen Zhou
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Chenxi Li
- Laboratory Medicine Center, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Lixiang Liu
- Department of General Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Qinggang Yuan
- Department of General Surgery, Nanjing Drum Tower Hospital Clinical College of Xuzhou Medical University, Nanjing, Jiangsu, China
| | - Ji Miao
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Hao Wang
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Chao Ding
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Wenxian Guan
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
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17
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Khan U, Karmakar BC, Basak P, Paul S, Gope A, Sarkar D, Mukhopadhyay AK, Dutta S, Bhattacharya S. Glycyrrhizin, an inhibitor of HMGB1 induces autolysosomal degradation function and inhibits Helicobacter pylori infection. Mol Med 2023; 29:51. [PMID: 37038107 PMCID: PMC10088177 DOI: 10.1186/s10020-023-00641-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 03/21/2023] [Indexed: 04/12/2023] Open
Abstract
BACKGROUND Helicobacter pylori is a key agent for causing gastric complications linked with gastric disorders. In response to infection, host cells stimulate autophagy to maintain cellular homeostasis. However, H. pylori have evolved the ability to usurp the host's autophagic machinery. High mobility group box1 (HMGB1), an alarmin molecule is a regulator of autophagy and its expression is augmented during infection and gastric cancer. Therefore, this study aims to explore the role of glycyrrhizin (a known inhibitor of HMGB1) in autophagy during H. pylori infection. MAIN METHODS Human gastric cancer (AGS) cells were infected with the H. pylori SS1 strain and further treatment was done with glycyrrhizin. Western blot was used to examine the expression of autophagy proteins. Autophagy and lysosomal activity were monitored by fluorescence assays. A knockdown of HMGB1 was performed to verify the effect of glycyrrhizin. H. pylori infection in in vivo mice model was established and the effect of glycyrrhizin treatment was studied. RESULTS The autophagy-lysosomal pathway was impaired due to an increase in lysosomal membrane permeabilization during H. pylori infection in AGS cells. Subsequently, glycyrrhizin treatment restored the lysosomal membrane integrity. The recovered lysosomal function enhanced autolysosome formation and concomitantly attenuated the intracellular H. pylori growth by eliminating the pathogenic niche. Additionally, glycyrrhizin treatment inhibited inflammation and improved gastric tissue damage in mice. CONCLUSION This study showed that inhibiting HMGB1 restored lysosomal activity to ameliorate H. pylori infection. It also demonstrated the potential of glycyrrhizin as an antibacterial agent to address the problem of antimicrobial resistance.
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Affiliation(s)
- Uzma Khan
- Division of Biochemistry ICMR-NICED, ICMR-National Institute of Cholera and Enteric Diseases (ICMR-NICED), Kolkata, 700010, India
| | - Bipul Chandra Karmakar
- Division of Bacteriology ICMR-NICED, ICMR-National Institute of Cholera and Enteric Diseases (ICMR-NICED), Kolkata, 700010, India
| | - Priyanka Basak
- Division of Biochemistry ICMR-NICED, ICMR-National Institute of Cholera and Enteric Diseases (ICMR-NICED), Kolkata, 700010, India
| | - Sangita Paul
- Division of Bacteriology ICMR-NICED, ICMR-National Institute of Cholera and Enteric Diseases (ICMR-NICED), Kolkata, 700010, India
| | - Animesh Gope
- Division of Clinical Medicine, ICMR-NICED, ICMR- National Institute of Cholera and Enteric Diseases (ICMR-NICED), Kolkata, India
| | - Deotima Sarkar
- Division of Biochemistry ICMR-NICED, ICMR-National Institute of Cholera and Enteric Diseases (ICMR-NICED), Kolkata, 700010, India
| | - Asish Kumar Mukhopadhyay
- Division of Bacteriology ICMR-NICED, ICMR-National Institute of Cholera and Enteric Diseases (ICMR-NICED), Kolkata, 700010, India
| | - Shanta Dutta
- Division of Bacteriology ICMR-NICED, ICMR-National Institute of Cholera and Enteric Diseases (ICMR-NICED), Kolkata, 700010, India
| | - Sushmita Bhattacharya
- Division of Biochemistry ICMR-NICED, ICMR-National Institute of Cholera and Enteric Diseases (ICMR-NICED), Kolkata, 700010, India.
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18
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Zheng SY, Zhu L, Wu LY, Liu HR, Ma XP, Li Q, Wu MD, Wang WJ, Li J, Wu HG. Helicobacter pylori-positive chronic atrophic gastritis and cellular senescence. Helicobacter 2023; 28:e12944. [PMID: 36539375 DOI: 10.1111/hel.12944] [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: 07/07/2022] [Revised: 12/03/2022] [Accepted: 12/05/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND Chronic atrophic gastritis (CAG) is a pathological stage in the Correa's cascade, whereby Helicobacter pylori (H. pylori) infection is the primary cause. Cellular senescence is an inducing factor for cancer occurrence and cellular senescence is an obvious phenomenon in gastric mucosal tissues of H. pylori-positive CAG patients. METHODS In this review, we collated the information on cellular senescence and H. pylori-positive CAG. RESULTS At present, only a few studies have observed the effect of cellular senescence on precancerous lesions. In combination with the latest research, this review has collated the information on cellular senescence and H. pylori-positive CAG from four aspects- telomere shortening, DNA methylation, increased reacive oxygen species (ROS) production, and failure of autophagy. CONCLUSION This is expected to be helpful for exploring the relevant mechanisms underlying inflammatory cancerous transformation and formulating appropriate treatment strategies.
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Affiliation(s)
- Shi-Yu Zheng
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lu Zhu
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lu-Yi Wu
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hui-Rong Liu
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shanghai Research Institute of Acupuncture and Meridian, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiao-Peng Ma
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shanghai Research Institute of Acupuncture and Meridian, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qi Li
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Meng-Die Wu
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wen-Jia Wang
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jing Li
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Huan-Gan Wu
- Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shanghai Research Institute of Acupuncture and Meridian, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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19
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Kato S, Gold BD, Kato A. Helicobacter pylori-Associated Iron Deficiency Anemia in Childhood and Adolescence-Pathogenesis and Clinical Management Strategy. J Clin Med 2022; 11:jcm11247351. [PMID: 36555966 PMCID: PMC9781328 DOI: 10.3390/jcm11247351] [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: 10/31/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022] Open
Abstract
Many epidemiological studies and meta-analyses show that persistent Helicobacter pylori infection in the gastric mucosa can lead to iron deficiency or iron deficiency anemia (IDA), particularly in certain populations of children and adolescents. Moreover, it has been demonstrated that H. pylori infection can lead to and be closely associated with recurrent and/or refractory iron deficiency and IDA. However, the pathogenesis and specific risk factors leading to this clinical outcome in H. pylori-infected children remain poorly understood. In general, most of pediatric patients with H. pylori-associated IDA do not show evidence of overt blood loss due to gastrointestinal hemorrhagic lesions. In adult populations, H. pylori atrophic gastritis is reported to cause impaired iron absorption due to impaired gastric acid secretion, which, subsequently, results in IDA. However, significant gastric atrophy, and the resultant substantial reduction in gastric acid secretion, has not been shown in H. pylori-infected children. Recently, it has been hypothesized that competition between H. pylori and humans for iron availability in the upper gastrointestinal tract could lead to IDA. Many genes, including those encoding major outer membrane proteins (OMPs), are known to be involved in iron-uptake mechanisms in H. pylori. Recent studies have been published that describe H. pylori virulence factors, including specific OMP genes that may be associated with the pathogenesis of IDA. Daily iron demand substantively increases in children as they begin pubertal development starting with the associated growth spurt, and this important physiological mechanism may play a synergistic role for the microorganisms as a host pathogenetic factor of IDA. Like in the most recent pediatric guidelines, a test-and-treat strategy in H. pylori infection should be considered, especially for children and adolescents in whom IDA is recurrent or refractory to iron supplementation and other definitive causes have not been identified. This review will focus on providing the evidence that supports a clear biological plausibility for H. pylori infection and iron deficiency, as well as IDA.
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Affiliation(s)
- Seiichi Kato
- Kato Children’s Clinic, Natori 981-1227, Japan
- Correspondence: ; Tel.: +81-22-399-9152; Fax: +81-22-399-9153
| | - Benjamin D. Gold
- Gi Care for Kids, Children’s Center for Digestive Healthcare, LLC, Atlanta, GA 30342, USA
| | - Ayumu Kato
- Department of General Pediatrics and Gastroenterology, Miyagi Children’s Hospital, Sendai 989-3126, Japan
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20
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Zhang Y, Wang C, Zhang L, Yu J, Yuan W, Li L. Vitamin D 3 eradicates Helicobacter pylori by inducing VDR-CAMP signaling. Front Microbiol 2022; 13:1033201. [PMID: 36569092 PMCID: PMC9772467 DOI: 10.3389/fmicb.2022.1033201] [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: 08/31/2022] [Accepted: 11/23/2022] [Indexed: 12/13/2022] Open
Abstract
Background Vitamin D3 [VitD3, 1,25 (OH)2D3] is known to have immunomodulatory and anti-microbial properties; however, its activity against Helicobacter pylori is unclear. In this study, we established H. pylori infection models in wild-type and VitD3 receptor (VDR) knockdown mice and analyzed the effects of VitD3 and their underlying mechanisms. Methods VDR+/+ and VDR+/- mice were intragastrically infected with the H. pylori SS1 strain. After confirmation of H. pylori infection, mice were treated with different doses of VitD3. The infection levels in stomach tissues were quantified using the colony-forming assay, and the expression levels of the VDR and cathelicidin antimicrobial peptide (CAMP) in the gastric mucosa were analyzed by immunohistochemistry and western blotting. Results The gastric mucosa of VDR+/- mice was more susceptible to H. pylori colonization and had lower levels of VDR and CAMP expression than that of VDR+/+ mice. H. pylori infection upregulated VDR and CAMP expression in the stomach of both wild-type and mutant mice, and VitD3 treatment resulted in further increase of VDR and CAMP levels, while significantly and dose-dependently decreasing the H. pylori colonization rate in both mouse groups, without affecting blood calcium or phosphorus levels. Conclusion Our data indicate that oral administration of VitD3 reduces the H. pylori colonization rate and upregulates VDR and CAMP expression in the gastric mucosa, suggesting a role for VitD3/VDR/CAMP signaling in the eradication of H. pylori in the stomach. These findings provide important insights into the mechanism underlying the anti-H. pylori activity of VitD3 and should be useful in the development of measures to eradicate H. pylori.
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Affiliation(s)
- Ye Zhang
- Department of Gastroenterology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Chunya Wang
- Department of Gastroenterology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Li Zhang
- Department of Gastroenterology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Jie Yu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital, Kunming Medical University, Kunming, China
| | - Wenjie Yuan
- Department of Gastroenterology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Lei Li
- Department of Gastroenterology, Affiliated Hospital of Weifang Medical University, Weifang, China,*Correspondence: Lei Li,
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Imoto I, Oka S, Katsurahara M, Nakamura M, Yasuma T, Akada J, D’Alessandro-Gabazza CN, Toda M, Horiki N, Gabazza EC, Yamaoka Y. Helicobacter pylori infection: is there circulating vacuolating cytotoxin A or cytotoxin-associated gene A protein? Gut Pathog 2022; 14:43. [PMID: 36463198 PMCID: PMC9719618 DOI: 10.1186/s13099-022-00519-8] [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: 02/16/2022] [Accepted: 11/18/2022] [Indexed: 12/07/2022] Open
Abstract
BACKGROUND Helicobacter pylori infection is a well-recognized cause of gastric diseases, including chronic gastritis, peptic ulcer, and gastric cancer. Vacuolating cytotoxin-A (VacA) and cytotoxin-associated gene A protein (CagA) play a role in the pathogenesis of H. pylori-related gastric diseases. Also, extragastric disorders are frequent morbid complications in patients with H. pylori infection. However, the direct pathologic implication of these virulence factors in extragastric manifestations remains unclear. Our hypothesis in the present study is that VacA and CagA released by H. pylori in the gastric mucosa leak into the systemic circulation, and therefore they can be measured in serum. RESULTS Sixty-two subjects were enrolled. They were allocated into the H. pylori-positive and H. pylori-negative groups. VacA and CagA were measured by immunoassays. The serum levels of VacA and CagA above an upper limit cut-off (mean plus two standard deviations of the mean in patients without H. pylori infection) were considered positive for antigen circulating level. Five out of 25 H. pylori-positive patients were positive for both serum VacA and serum CagA. The serum levels of VacA and CagA were significantly correlated with the serum levels of anti- H. pylori antibody and interleukin-12p70 among all H. pylori-positive and H. pylori-negative patients. CONCLUSIONS This study suggests that spill-over of VacA and CagA antigens in the systemic circulation may occur in some patients with H. pylori infection.
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Affiliation(s)
- Ichiro Imoto
- Digestive Endoscopy Center, Department of Internal Medicine, Doshinkai Tohyama Hospital, Minamishinmachi 17-22, Tsu, Mie 514-0043 Japan
| | - Satoko Oka
- Digestive Endoscopy Center, Department of Internal Medicine, Doshinkai Tohyama Hospital, Minamishinmachi 17-22, Tsu, Mie 514-0043 Japan
| | - Masaki Katsurahara
- grid.412075.50000 0004 1769 2015Department of Gastroenterology and Hepatology, Mie University Faculty and Graduate School of Medicine, Mie University Hospital, Edobashi 2-174, Tsu, Mie 514-8507 Japan
| | - Misaki Nakamura
- grid.412075.50000 0004 1769 2015Department of Gastroenterology and Hepatology, Mie University Faculty and Graduate School of Medicine, Mie University Hospital, Edobashi 2-174, Tsu, Mie 514-8507 Japan
| | - Taro Yasuma
- grid.412075.50000 0004 1769 2015Department of Immunology, Mie University Faculty and Graduate School of Medicine, Mie University Hospital, Edobashi 2-174, Tsu, Mie 514-8507 Japan
| | - Junko Akada
- grid.412334.30000 0001 0665 3553Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita 879-5593 Japan
| | - Corina N. D’Alessandro-Gabazza
- grid.412075.50000 0004 1769 2015Department of Immunology, Mie University Faculty and Graduate School of Medicine, Mie University Hospital, Edobashi 2-174, Tsu, Mie 514-8507 Japan
| | - Masaaki Toda
- grid.412075.50000 0004 1769 2015Department of Immunology, Mie University Faculty and Graduate School of Medicine, Mie University Hospital, Edobashi 2-174, Tsu, Mie 514-8507 Japan
| | - Noriyuki Horiki
- grid.412075.50000 0004 1769 2015Department of Gastroenterology and Hepatology, Mie University Faculty and Graduate School of Medicine, Mie University Hospital, Edobashi 2-174, Tsu, Mie 514-8507 Japan
| | - Esteban C. Gabazza
- grid.412075.50000 0004 1769 2015Department of Immunology, Mie University Faculty and Graduate School of Medicine, Mie University Hospital, Edobashi 2-174, Tsu, Mie 514-8507 Japan
| | - Yoshio Yamaoka
- grid.412334.30000 0001 0665 3553Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-Machi, Yufu, Oita 879-5593 Japan ,grid.39382.330000 0001 2160 926XDepartment of Medicine, Gastroenterology and Hepatology Section, Baylor College of Medicine, Houston, TX USA
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22
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Yasuda T, Dohi O, Yamada S, Ishida T, Iwai N, Hongo H, Terasaki K, Tanaka M, Yamada N, Kamada K, Horie R, Harusato A, Horii Y, Takayama S, Zen K, Majima A, Mizuno N, Motoyoshi T, Yagi N, Naito Y, Itoh Y. Risk and prognostic factors of invasive gastric cancer detection during surveillance endoscopy: Multi-institutional cross-sectional study. Dig Endosc 2022. [PMID: 36461634 DOI: 10.1111/den.14492] [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: 06/30/2022] [Accepted: 12/01/2022] [Indexed: 12/04/2022]
Abstract
OBJECTIVES Esophagogastroduodenoscopy (EGD) is important for the detection of curable gastric cancer (GC). However, there are no appropriate surveillance data during routine endoscopic inspections. This study aimed to clarify the risk factors of pT1b or deeper GC detection during surveillance endoscopy. METHODS This was a retrospective, multicenter, cross-sectional study conducted in 15 Japanese hospitals. We retrospectively analyzed patients with GC who had previously undergone surveillance endoscopy at each institution from January 2014 to March 2020. Patients who had undergone gastrectomy, non-infection of Helicobacter pylori (Hp), and those with intervals <3 months or >10 years from a previous endoscopy were excluded. RESULTS In total, 1085 patients with GCs detected during surveillance endoscopy were enrolled. The multivariate logistic analysis revealed that current Hp infection (odds ratio [OR] 2.18; 95% confidence interval [CI] 1.50-3.16) and a surveillance interval of >1.5 years (OR 1.96; 95% CI 1.35-2.84) were independent risk factors for pT1b or deeper GC. The 5-year disease-specific survival (5y-DSS) rate of GC was significantly lower in patients with surveillance interval of >1.5 years than in those with surveillance interval of ≤1.5 years (93.7% vs. 98.3%, P < 0.001). Similarly, the 5y-DSS rate of GC was significantly lower in patients with active Hp infection than in those without (93.7% vs. 99.4%, P < 0.001). CONCLUSION In this study, a surveillance interval of >1.5 years and current Hp infection were independent risk factors for detecting pT1b or deeper GC. Additionally, these factors were poor prognostic factors of the detected GC during surveillance endoscopy.
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Affiliation(s)
- Takeshi Yasuda
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto, Japan
| | - Osamu Dohi
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto, Japan
| | - Shinya Yamada
- Department of Gastroenterology, Japanese Red Cross Kyoto Daiichi Hospital, Kyoto, Japan
| | - Tsugitaka Ishida
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto, Japan
| | - Naoto Iwai
- Department of Gastroenterology, Fukuchiyama City Hospital, Kyoto, Japan
| | - Hitoshi Hongo
- Department of Gastroenterology, Fujita Gastroenterological Hospital, Takatsuki, Osaka, Japan
| | - Kei Terasaki
- Department of Gastroenterology, Saiseikai Suita Hospital, Osaka, Japan
| | - Makoto Tanaka
- Department of Gastroenterology, Saiseikai Shiga Hospital, Shiga, Japan
| | - Nobuhisa Yamada
- Department of Gastroenterology, Matsushita Memorial Hospital, Osaka, Japan
| | - Kazuhiro Kamada
- Department of Gastroenterology, Matsushita Memorial Hospital, Osaka, Japan
| | - Ryusuke Horie
- Department of Gastroenterology, Kyoto Kuramaguchi Medical Center, Kyoto, Japan
| | - Akihito Harusato
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto, Japan.,Department of Gastroenterology, North Medical Center Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yusuke Horii
- Department of Gastroenterology, Kyoto Kizugawa Hospital, Kyoto, Japan
| | - Shun Takayama
- Department of Gastroenterology, Maizuru Medical Center, Kyoto, Japan
| | - Keika Zen
- Department of Gastroenterology, Ōtsu Municipal Hospital, Shiga, Japan
| | - Atsushi Majima
- Department of Gastroenterology, Omihachiman Community Medical Center, Shiga, Japan
| | - Naoki Mizuno
- Department of Gastroenterology, Kyoto City Hospital, Kyoto, Japan
| | | | - Nobuaki Yagi
- Department of Gastroenterology, Asahi University Hospital, Gifu, Japan
| | - Yuji Naito
- Department of Human Immunology and Nutrition Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoshito Itoh
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto, Japan
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23
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Pant A, Yao X, Lavedrine A, Viret C, Dockterman J, Chauhan S, Chong-Shan Shi, Manjithaya R, Cadwell K, Kufer TA, Kehrl JH, Coers J, Sibley LD, Faure M, Taylor GA, Chauhan S. Interactions of Autophagy and the Immune System in Health and Diseases. AUTOPHAGY REPORTS 2022; 1:438-515. [PMID: 37425656 PMCID: PMC10327624 DOI: 10.1080/27694127.2022.2119743] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Autophagy is a highly conserved process that utilizes lysosomes to selectively degrade a variety of intracellular cargo, thus providing quality control over cellular components and maintaining cellular regulatory functions. Autophagy is triggered by multiple stimuli ranging from nutrient starvation to microbial infection. Autophagy extensively shapes and modulates the inflammatory response, the concerted action of immune cells, and secreted mediators aimed to eradicate a microbial infection or to heal sterile tissue damage. Here, we first review how autophagy affects innate immune signaling, cell-autonomous immune defense, and adaptive immunity. Then, we discuss the role of non-canonical autophagy in microbial infections and inflammation. Finally, we review how crosstalk between autophagy and inflammation influences infectious, metabolic, and autoimmune disorders.
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Affiliation(s)
- Aarti Pant
- Autophagy Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bengaluru, India
| | - Xiaomin Yao
- Kimmel Center for Biology and Medicine at the Skirball Institute, New York University Grossman School of Medicine, New York, New York, United States of America
- Department of Microbiology, New York University Grossman School of Medicine, New York, New York, United States of America
| | - Aude Lavedrine
- CIRI, Centre International de Recherche en Infectiologie, Université de Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
- Equipe Labellisée par la Fondation pour la Recherche Médicale, FRM
| | - Christophe Viret
- CIRI, Centre International de Recherche en Infectiologie, Université de Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
- Equipe Labellisée par la Fondation pour la Recherche Médicale, FRM
| | - Jake Dockterman
- Department of Immunology, Duke University, Medical Center, Durham, North Carolina, USA
| | - Swati Chauhan
- Cell biology and Infectious diseases, Institute of Life Sciences, Bhubaneswar, India
| | - Chong-Shan Shi
- Laboratory of Immunoregulation, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Ravi Manjithaya
- Autophagy Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bengaluru, India
- Neuroscience Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bengaluru, India
| | - Ken Cadwell
- Kimmel Center for Biology and Medicine at the Skirball Institute, New York University Grossman School of Medicine, New York, New York, United States of America
- Department of Microbiology, New York University Grossman School of Medicine, New York, New York, United States of America
- Division of Gastroenterology and Hepatology, Department of Medicine, New York University Grossman School of Medicine, New York, New York, United States of America
| | - Thomas A. Kufer
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - John H. Kehrl
- Laboratory of Immunoregulation, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Jörn Coers
- Department of Immunology, Duke University, Medical Center, Durham, North Carolina, USA
- Department of Molecular Genetics and Microbiology, Duke University, Medical Center, Durham, North Carolina, USA
| | - L. David Sibley
- Department of Molecular Microbiology, Washington University Sch. Med., St Louis, MO, 63110, USA
| | - Mathias Faure
- CIRI, Centre International de Recherche en Infectiologie, Université de Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
- Equipe Labellisée par la Fondation pour la Recherche Médicale, FRM
| | - Gregory A Taylor
- Department of Immunology, Duke University, Medical Center, Durham, North Carolina, USA
- Department of Molecular Genetics and Microbiology, Duke University, Medical Center, Durham, North Carolina, USA
- Department of Molecular Microbiology, Washington University Sch. Med., St Louis, MO, 63110, USA
- Geriatric Research, Education, and Clinical Center, VA Health Care Center, Durham, North Carolina, USA
- Departments of Medicine, Division of Geriatrics, and Center for the Study of Aging and Human Development, Duke University, Medical Center, Durham, North Carolina, USA
| | - Santosh Chauhan
- Cell biology and Infectious diseases, Institute of Life Sciences, Bhubaneswar, India
- CSIR–Centre For Cellular And Molecular Biology (CCMB), Hyderabad, Telangana
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24
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Tang L, Song Y, Xu J, Chu Y. The role of selective autophagy in pathogen infection. CHINESE SCIENCE BULLETIN-CHINESE 2022. [DOI: 10.1360/tb-2022-0877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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25
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Host Cell Antimicrobial Responses against Helicobacter pylori Infection: From Biological Aspects to Therapeutic Strategies. Int J Mol Sci 2022; 23:ijms231810941. [PMID: 36142852 PMCID: PMC9504325 DOI: 10.3390/ijms231810941] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/13/2022] [Accepted: 09/16/2022] [Indexed: 02/07/2023] Open
Abstract
The colonization of Helicobacter pylori (H. pylori) in human gastric mucosa is highly associated with the occurrence of gastritis, peptic ulcer, and gastric cancer. Antibiotics, including amoxicillin, clarithromycin, furazolidone, levofloxacin, metronidazole, and tetracycline, are commonly used and considered the major treatment regimens for H. pylori eradication, which is, however, becoming less effective by the increasing prevalence of H pylori resistance. Thus, it is urgent to understand the molecular mechanisms of H. pylori pathogenesis and develop alternative therapeutic strategies. In this review, we focus on the virulence factors for H. pylori colonization and survival within host gastric mucosa and the host antimicrobial responses against H. pylori infection. Moreover, we describe the current treatments for H. pylori eradication and provide some insights into new therapeutic strategies for H. pylori infection.
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26
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Lai Y, Wei W, Du Y, Gao J, Li Z. Biomaterials for Helicobacter pylori therapy: therapeutic potential and future perspectives. Gut Microbes 2022; 14:2120747. [PMID: 36070564 PMCID: PMC9467593 DOI: 10.1080/19490976.2022.2120747] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Helicobacter pylori (H. pylori) is the main cause of gastric adenocarcinoma. However, the traditional antibiotic treatment of H. pylori is limited due to increased antibiotic resistance and low efficacy; low drug delivery efficiency and difficulties in eradicating H. pylori that is present intracellularly or in biofilms cause further setbacks. Biomaterials that can protect drugs against stomach acid, target lesions, control drug release, destroy biofilms, and exhibit unique antibacterial mechanisms and excellent biocompatibility have emerged as attractive tools for H. pylori eradication, particularly for drug-resistant strains. Herein, we review the virulence mechanisms, current drug treatments, and antibiotic resistance of H. pylori strains. Furthermore, recent advances in the development of biomaterials, including nanoparticles (such as lipid-based nanoparticles, polymeric nanoparticles, and inorganic nanoparticles), microspheres, and hydrogels, for effective and precise therapy of H. pylori and different types of therapeutic mechanisms, as well as future perspectives, have also been summarized.
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Affiliation(s)
- Yongkang Lai
- Department of Gastroenterology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China,Department of Gastroenterology, Ganzhou People’s Hospital Affiliated to Nanchang University, Ganzhou, China
| | - Wei Wei
- Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Yiqi Du
- Department of Gastroenterology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Jie Gao
- Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China,Jie Gao Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, Shanghai, 200433, China
| | - Zhaoshen Li
- Department of Gastroenterology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China,CONTACT Zhaoshen Li Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, 200433, China
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27
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Shao BZ, Chai NL, Yao Y, Li JP, Law HKW, Linghu EQ. Autophagy in gastrointestinal cancers. Front Oncol 2022; 12:975758. [PMID: 36091106 PMCID: PMC9459114 DOI: 10.3389/fonc.2022.975758] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/11/2022] [Indexed: 12/14/2022] Open
Abstract
Gastrointestinal cancers are a group of cancers occurred in gastrointestinal tissues with high morbidity and mortality rate. Although numerous studies were conducted on the investigation of gastrointestinal cancers, the real mechanisms haven’t been discovered, and no effective methods of prevention and treatment of gastrointestinal cancers have been developed. Autophagy, a vital catabolic process in organisms, have been proven to participate in various mechanisms and signaling pathways, thus producing a regulatory effect on various diseases. The role of autophagy in gastrointestinal cancers remains unclear due to its high complexity. In this review, firstly, the biological features of autophagy will be introduced. Secondly, the role of autophagy in three popular gastrointestinal cancers, namely esophageal cancer, gastric cancer, and colorectal cancer will be described and discussed by reviewing the related literature. We aimed to bring novel insights in exploring the real mechanisms for gastrointestinal cancers and developing effective and efficient therapeutic methods to treat gastrointestinal cancers.
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Affiliation(s)
- Bo-Zong Shao
- Department of Gastroenterology, General Hospital of the Chinese People’s Liberation Army, Beijing, China
- Department of Health Technology and Informatics, Faculty of Health and Social Science, The Hong Kong Polytechnic University, Hunghom, Hong Kong SAR, China
- *Correspondence: En-Qiang Linghu, ; Helen Ka Wai Law, ; Bo-Zong Shao,
| | - Ning-Li Chai
- Department of Gastroenterology, General Hospital of the Chinese People’s Liberation Army, Beijing, China
| | - Yi Yao
- Department of Gastroenterology, General Hospital of the Chinese People’s Liberation Army, Beijing, China
| | - Jin-Ping Li
- Department of Gastroenterology, General Hospital of the Chinese People’s Liberation Army, Beijing, China
| | - Helen Ka Wai Law
- Department of Health Technology and Informatics, Faculty of Health and Social Science, The Hong Kong Polytechnic University, Hunghom, Hong Kong SAR, China
- *Correspondence: En-Qiang Linghu, ; Helen Ka Wai Law, ; Bo-Zong Shao,
| | - En-Qiang Linghu
- Department of Gastroenterology, General Hospital of the Chinese People’s Liberation Army, Beijing, China
- *Correspondence: En-Qiang Linghu, ; Helen Ka Wai Law, ; Bo-Zong Shao,
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28
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Dynamics of Oxidative Stress in Helicobacter pylori-Positive Patients with Atrophic Body Gastritis and Various Stages of Gastric Cancer. Diagnostics (Basel) 2022; 12:diagnostics12051203. [PMID: 35626358 PMCID: PMC9141138 DOI: 10.3390/diagnostics12051203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/05/2022] [Accepted: 05/06/2022] [Indexed: 12/24/2022] Open
Abstract
Gastric cancer is a global health problem. The pathogenesis of this disease remains unclear. This study included 198 H. pylori (+) men aged 45 to 60 years old. Group A included 63 practically healthy men, group B included 45 men with severe atrophic body gastritis, group C included 37 men with epithelial gastric cancer stages I–II according to TNM, and group D included 54 men with epithelial gastric cancer stages III–IV according to the TNM scale. The content of malondialdehyde (MDA), diene conjugates (DCs), superoxide dismutase (SOD), catalase (CAT), glutathione S-transferase (GST), and glutathione peroxidase (GPO) was detected using an enzyme immunoassay (ELISA) or spectrophotometric methods in the blood plasma. The concentrations of MDA and DC were increased in the patients of group B compared with group A, and in patients of groups C and D compared with groups A and B. The ratio of MDA/SOD and MDA/CAT was decreased in the patients in group D compared with the patients in group C, and was significantly higher compared with group A. The ratios of MDA/GPO and MDA/GST increased linearly and were at a maximum in groups C and D. Our work determined that indicators of oxidative stress may be the biochemical substrate, which brings together the various stages of the Correa cascade, and may explain disease progression. The dynamics of changes in the content of SOD and CAT in the plasma in patients with gastric cancer may be a target of future investigations.
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29
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Zheng L, Wei F, Li G. The crosstalk between bacteria and host autophagy: host defense or bacteria offense. J Microbiol 2022; 60:451-460. [DOI: 10.1007/s12275-022-2009-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/18/2022] [Accepted: 03/29/2022] [Indexed: 12/26/2022]
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30
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Yang Y, Shu X, Xie C. An Overview of Autophagy in Helicobacter pylori Infection and Related Gastric Cancer. Front Cell Infect Microbiol 2022; 12:847716. [PMID: 35463631 PMCID: PMC9033262 DOI: 10.3389/fcimb.2022.847716] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 03/16/2022] [Indexed: 12/16/2022] Open
Abstract
Helicobacter pylori (H. pylori) infection is considered a class I carcinogen in the pathogenesis of gastric cancer. In recent years, the interaction relationship between H. pylori infection and autophagy has attracted increasing attention. Most investigators believe that the pathogenesis of gastric cancer is closely related to the formation of an autophagosome-mediated downstream signaling pathway by H. pylori infection-induced cells. Autophagy is involved in H. pylori infection and affects the occurrence and development of gastric cancer. In this paper, the possible mechanism by which H. pylori infection affects autophagy and the progression of related gastric cancer signaling pathways are reviewed.
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Affiliation(s)
| | - Xu Shu
- *Correspondence: Xu Shu, ; Chuan Xie,
| | - Chuan Xie
- *Correspondence: Xu Shu, ; Chuan Xie,
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31
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Lima de Souza Gonçalves V, Cordeiro Santos ML, Silva Luz M, Santos Marques H, de Brito BB, França da Silva FA, Souza CL, Oliveira MV, de Melo FF. From Helicobacter pylori infection to gastric cancer: Current evidence on the immune response. World J Clin Oncol 2022; 13:186-199. [PMID: 35433296 PMCID: PMC8966509 DOI: 10.5306/wjco.v13.i3.186] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 07/31/2021] [Accepted: 02/16/2022] [Indexed: 02/06/2023] Open
Abstract
Gastric cancer (GC) is the result of a multifactorial process whose main components are infection by Helicobacter pylori (H. pylori), bacterial virulence factors, host immune response and environmental factors. The development of the neoplastic microenvironment also depends on genetic and epigenetic changes in oncogenes and tumor suppressor genes, which results in deregulation of cell signaling pathways and apoptosis process. This review summarizes the main aspects of the pathogenesis of GC and the immune response involved in chronic inflammation generated by H. pylori.
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Affiliation(s)
| | - Maria Luísa Cordeiro Santos
- Universidade Federal da Bahia, Instituto Multidisciplinar em Saúde, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Marcel Silva Luz
- Universidade Federal da Bahia, Instituto Multidisciplinar em Saúde, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Hanna Santos Marques
- Universidade Estadual do Sudoeste da Bahia, Campus Vitória da Conquista, Vitória da Conquista 45083-900, Bahia, Brazil
| | - Breno Bittencourt de Brito
- Universidade Federal da Bahia, Instituto Multidisciplinar em Saúde, Vitória da Conquista 45029-094, Bahia, Brazil
| | | | - Cláudio Lima Souza
- Universidade Federal da Bahia, Instituto Multidisciplinar em Saúde, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Márcio Vasconcelos Oliveira
- Universidade Federal da Bahia, Instituto Multidisciplinar em Saúde, Vitória da Conquista 45029-094, Bahia, Brazil
| | - Fabrício Freire de Melo
- Universidade Federal da Bahia, Instituto Multidisciplinar em Saúde, Vitória da Conquista 45029-094, Bahia, Brazil
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32
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Mommersteeg M, Simovic I, Yu B, van Nieuwenburg S, Bruno IM, Doukas M, Kuipers E, Spaander M, Peppelenbosch M, Castaño-Rodríguez N, Fuhler G. Autophagy mediates ER stress and inflammation in Helicobacter pylori-related gastric cancer. Gut Microbes 2022; 14:2015238. [PMID: 34965181 PMCID: PMC8726742 DOI: 10.1080/19490976.2021.2015238] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Autophagy is a cellular degradation mechanism, which is triggered by the bacterium Helicobacter pylori. A single nucleotide polymorphism (SNP) in the autophagy gene ATG16L1 (rs2241880, G-allele) has been shown to dysregulate autophagy and increase intestinal endoplasmic reticulum (ER) stress. Here, we investigate the role of this SNP in H.pylori-mediated gastric carcinogenesis and its molecular pathways. ATG16L1 rs2241880 was genotyped in subjects from different ethnic cohorts (Dutch and Australian) presenting with gastric (pre)malignant lesions of various severity. Expression of GRP78 (a marker for ER stress) was assessed in gastric tissues. The effect of ATG16L1 rs2241880 on H.pylori-mediated ER stress and pro-inflammatory cytokine induction was investigated in organoids and CRISPR/Cas9 modified cell lines. Development of gastric cancer was associated with the ATG16L1 rs2241880 G-allele. Intestinal metaplastic cells in gastric tissue of patients showed increased levels of ER-stress. In vitro models showed that H.pylori increases autophagy while reducing ER stress, which appeared partly mediated by the ATG16L1 rs2241880 genotype. H.pylori-induced IL-8 production was increased while TNF-α production was decreased, in cells homozygous for the G-allele. The ATG16L1 rs2241880 G-allele is associated with progression of gastric premalignant lesions and cancer. Modulation of H.pylori-induced ER stress pathways and pro-inflammatory mediators by ATG16L1 rs2441880 may underlie this increased risk.
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Affiliation(s)
- M.C. Mommersteeg
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - I. Simovic
- School of Biotechnology and Biomolecular Sciences, Unsw, Sydney, Australia
| | - B. Yu
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - S.A.V. van Nieuwenburg
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - I, M.J. Bruno
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M. Doukas
- Department of Pathology, Erasmus University Medical Center, Rotterdam, Netherlands
| | - E.J. Kuipers
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M.C.W. Spaander
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M.P. Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - N. Castaño-Rodríguez
- School of Biotechnology and Biomolecular Sciences, Unsw, Sydney, Australia,CONTACT N. Castaño-Rodríguez School of Biotechnology and Biomolecular Sciences, UNSW Sydney, NSW 2052, Australia
| | - G.M. Fuhler
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands,G.M. Fuhler PhD Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Unsw, Rotterdam, The Netherlands
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MiR-1298-5p level downregulation induced by Helicobacter pylori infection inhibits autophagy and promotes gastric cancer development by targeting MAP2K6. Cell Signal 2022; 93:110286. [DOI: 10.1016/j.cellsig.2022.110286] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 02/11/2022] [Accepted: 02/17/2022] [Indexed: 01/07/2023]
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Helicobacter pylori: an up-to-date overview on the virulence and pathogenesis mechanisms. Braz J Microbiol 2022; 53:33-50. [PMID: 34988937 PMCID: PMC8731681 DOI: 10.1007/s42770-021-00675-0] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 12/24/2021] [Indexed: 02/06/2023] Open
Abstract
Helicobacter pylori is an organism associated with ulcer disease and gastric cancer. The latter is one of the most prevalent malignancies and currently the fourth major cause of cancer-related deaths globally. The pathogen infects about 50% of the world population, and currently, no treatment ensures its total elimination. There has been an increase in our understanding of the pathophysiology and pathogenesis mechanisms of H. pylori over the years. H. pylori can induce several genetic alterations, express numerous virulence factors, and trigger diverse adaptive mechanisms during its adherence and colonization. For successful colonization and infection establishment, several effector proteins/toxins are released by the organism. Evidence is also available reporting spiral to coccoid transition as a unique tactic H. pylori uses to survive in the host’s gastrointestinal tract (GIT). Thus, the virulence and pathogenicity of H. pylori are under the control of complex interplay between the virulence factors, host, and environmental factors. Expounding the role of the various virulence factors in H. pylori pathogenesis and clinical outcomes is crucial for vaccine development and in providing and developing a more effective therapeutic intervention. Here we critically reflect on H. pylori infection and delineate what is currently known about the virulence and pathogenesis mechanisms of H. pylori.
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Abstract
The intimate involvement of pathogens with the heightened risk for developing certain cancers is an area of research that has captured a great deal of attention over the last 10 years. One firmly established paradigm that highlights this aspect of disease progression is in the instance of Helicobacter pylori infection and the contribution it makes in elevating the risk for developing gastric cancer. Whilst the molecular mechanisms that pinpoint the contribution that this microorganism inflicts towards host cells during gastric cancer initiation have come into greater focus, another picture that has also emerged is one that implicates the host's immune system, and the chronic inflammation that can arise therefrom, as being a central contributory factor in disease progression. Consequently, when taken with the underlying role that the extracellular matrix plays in the development of most cancers, and how this dynamic can be modulated by proteases expressed from the tumor or inflammatory cells, a complex and detailed relationship shared between the individual cellular components and their surroundings is coming into focus. In this review article, we draw attention to the emerging role played by the cathepsin proteases in modulating the stage-specific progression of Helicobacter pylori-initiated gastric cancer and the underlying immune response, while highlighting the therapeutic significance of this dynamic and how it may be amenable for novel intervention strategies within a basic research or clinical setting.
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López-Gómez M, García de Santiago B, Delgado-López PD, Malmierca E, González-Olmedo J, Gómez-Raposo C, Sandoval C, Ruiz-Seco P, Escribano N, Gómez-Cerezo JF, Casado E. Gastrointestinal tumors and infectious agents: A wide field to explore. World J Meta-Anal 2021; 9:505-521. [DOI: 10.13105/wjma.v9.i6.505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 08/26/2021] [Accepted: 12/23/2021] [Indexed: 02/06/2023] Open
Abstract
Infection is currently one of the main contributors to carcinogenesis. In fact, the International Agency for Research on Cancer has categorized eleven biological agents as group I carcinogens. It is estimated that around 16% of the 12.7 million new cancers diagnosed in 2008 were attributable to infectious agents. Although underdeveloped regions carry the highest incidence rates, about 7.4% of infection-related cancer cases occur in developed areas. Physicians are increasingly aware of the potential carcinogenic role of common virus like the Human Papilloma virus in cervical cancer, or the hepatitis B and C viruses in hepatocarcinoma. However, the carcinogenic role of several other infectious agents is less recognized. Given that gastrointestinal malignancies carry an overall poor prognosis, a better understanding of the carcinogenic mechanisms triggered by infectious agents is key to decrease the rate of cancer related deaths. Preventive measures directed to such infections would ideally impact survival. In this paper we review the main pathogenic mechanisms related to the development of gastrointestinal malignancies induced by infectious microorganisms and other pathogens which are currently under investigation.
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Affiliation(s)
- Miriam López-Gómez
- Medical Oncology Department. Precision Oncology Laboratory, Infanta Sofía University Hospital, San Sebastián de los Reyes 28231, Madrid, Spain
| | - Belén García de Santiago
- Pharmacy Department, Infanta Sofia University Hospital, San Sebastián de los Reyes 28703, Madrid, Spain
| | | | - Eduardo Malmierca
- Internal Medicine Department, Infanta Sofía University Hospital, San Sebastián de los Reyes 28703, Madrid, Spain
| | - Jesús González-Olmedo
- Medical Oncology Department, Infanta Sofia University Hospital, San Sebastián de los Reyes 28703, Madrid, Spain
| | - César Gómez-Raposo
- Medical Oncology Department, Infanta Sofia University Hospital, San Sebastián de los Reyes 28703, Madrid, Spain
| | - Carmen Sandoval
- Medical Oncology Department, Infanta Sofia University Hospital, San Sebastián de los Reyes 28703, Madrid, Spain
| | - Pilar Ruiz-Seco
- Internal Medicine Department, Infanta Sofía University Hospital, San Sebastián de los Reyes 28703, Madrid, Spain
| | - Nora Escribano
- Intensive Care Unit, Jiménez Díaz Foundation, Madrid 28040, Madrid, Spain
| | - Jorge Francisco Gómez-Cerezo
- Internal Medicine Department, Infanta Sofía University Hospital, San Sebastián de los Reyes 28703, Madrid, Spain
| | - Enrique Casado
- Medical Oncology Department, Infanta Sofia University Hospital, San Sebastián de los Reyes 28703, Madrid, Spain
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Wang Y, Du J, Wu X, Abdelrehem A, Ren Y, Liu C, Zhou X, Wang S. Crosstalk between autophagy and microbiota in cancer progression. Mol Cancer 2021; 20:163. [PMID: 34895252 PMCID: PMC8665582 DOI: 10.1186/s12943-021-01461-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 11/16/2021] [Indexed: 12/18/2022] Open
Abstract
Autophagy is a highly conserved catabolic process seen in eukaryotes and is essentially a lysosome-dependent protein degradation pathway. The dysregulation of autophagy is often associated with the pathogenesis of numerous types of cancers, and can not only promote the survival of cancer but also trigger the tumor cell death. During cancer development, the microbial community might predispose cells to tumorigenesis by promoting mucosal inflammation, causing systemic disorders, and may also regulate the immune response to cancer. The complex relationship between autophagy and microorganisms can protect the body by activating the immune system. In addition, autophagy and microorganisms can crosstalk with each other in multifaceted ways to influence various physiological and pathological responses involved in cancer progression. Various molecular mechanisms, correlating the microbiota disorders and autophagy activation, control the outcomes of protumor or antitumor responses, which depend on the cancer type, tumor microenvironment and disease stage. In this review, we mainly emphasize the leading role of autophagy during the interaction between pathogenic microorganisms and human cancers and investigate the various molecular mechanisms by which autophagy modulates such complicated biological processes. Moreover, we also highlight the possibility of curing cancers with multiple molecular agents targeting the microbiota/autophagy axis. Finally, we summarize the emerging clinical trials investigating the therapeutic potential of targeting either autophagy or microbiota as anticancer strategies, although the crosstalk between them has not been explored thoroughly.
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Affiliation(s)
- Yu Wang
- Department of Maxillofacial and Otorhinolaryngological Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060 China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Cancer Institute, Tianjin, 300060 China
- National Clinical Research Center of Cancer, Tianjin, 300060 China
| | - Jiang Du
- Department of Maxillofacial and Otorhinolaryngological Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060 China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Cancer Institute, Tianjin, 300060 China
- National Clinical Research Center of Cancer, Tianjin, 300060 China
| | - Xuemei Wu
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Gastroenterology and Hepatology Institute, Tianjin Medical University, Tianjin, 300052 China
- Key Laboratory of Immune Microenvironment and Disease, Tianjin Medical University, Ministry of Education, Tianjin, 300070 China
| | - Ahmed Abdelrehem
- Department of Craniomaxillofacial and Plastic Surgery, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Yu Ren
- Tianjin Research Center of Basic Medical Science, Tianjin Medical University, Tianjin, 300070 China
| | - Chao Liu
- Department of Maxillofacial and Otorhinolaryngological Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060 China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Cancer Institute, Tianjin, 300060 China
- National Clinical Research Center of Cancer, Tianjin, 300060 China
| | - Xuan Zhou
- Department of Maxillofacial and Otorhinolaryngological Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060 China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin Cancer Institute, Tianjin, 300060 China
- National Clinical Research Center of Cancer, Tianjin, 300060 China
| | - Sinan Wang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Gastroenterology and Hepatology Institute, Tianjin Medical University, Tianjin, 300052 China
- Key Laboratory of Immune Microenvironment and Disease, Tianjin Medical University, Ministry of Education, Tianjin, 300070 China
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Koustas E, Trifylli EM, Sarantis P, Kontolatis NI, Damaskos C, Garmpis N, Vallilas C, Garmpi A, Papavassiliou AG, Karamouzis MV. The Implication of Autophagy in Gastric Cancer Progression. Life (Basel) 2021; 11:life11121304. [PMID: 34947835 PMCID: PMC8705750 DOI: 10.3390/life11121304] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/23/2021] [Accepted: 11/25/2021] [Indexed: 02/05/2023] Open
Abstract
Gastric cancer is the fifth most common malignancy and the third leading cause of cancer-related death worldwide. The three entirely variable entities have distinct epidemiology, molecular characteristics, prognosis, and strategies for clinical management. However, many gastric tumors appear to be resistant to current chemotherapeutic agents. Moreover, a significant number of gastric cancer patients, with a lack of optimal treatment strategies, have reduced survival. In recent years, multiple research data have highlighted the importance of autophagy, an essential catabolic process of cytoplasmic component digestion, in cancer. The role of autophagy as a tumor suppressor or tumor promoter mechanism remains controversial. The multistep nature of the autophagy process offers a wide array of targetable points for designing novel chemotherapeutic strategies. The purpose of this review is to summarize the current knowledge regarding the interplay between gastric cancer development and the autophagy process and decipher the role of autophagy in this kind of cancer. A plethora of different agents that direct or indirect target autophagy may be a novel therapeutic approach for gastric cancer patients.
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Affiliation(s)
- Evangelos Koustas
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.-M.T.); (P.S.); (N.I.K.); (C.V.); (A.G.P.); (M.V.K.)
- Correspondence:
| | - Eleni-Myrto Trifylli
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.-M.T.); (P.S.); (N.I.K.); (C.V.); (A.G.P.); (M.V.K.)
| | - Panagiotis Sarantis
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.-M.T.); (P.S.); (N.I.K.); (C.V.); (A.G.P.); (M.V.K.)
| | - Nikolaos I. Kontolatis
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.-M.T.); (P.S.); (N.I.K.); (C.V.); (A.G.P.); (M.V.K.)
| | - Christos Damaskos
- Renal Transplantation Unit, ‘Laiko’ General Hospital, 11527 Athens, Greece;
- ‘N.S. Christeas’ Laboratory of Experimental Surgery and Surgical Research, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Nikolaos Garmpis
- ‘N.S. Christeas’ Laboratory of Experimental Surgery and Surgical Research, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
- Second Department of Propedeutic Surgery, ‘Laiko’ General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Christos Vallilas
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.-M.T.); (P.S.); (N.I.K.); (C.V.); (A.G.P.); (M.V.K.)
| | - Anna Garmpi
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Athanasios G. Papavassiliou
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.-M.T.); (P.S.); (N.I.K.); (C.V.); (A.G.P.); (M.V.K.)
| | - Michalis V. Karamouzis
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (E.-M.T.); (P.S.); (N.I.K.); (C.V.); (A.G.P.); (M.V.K.)
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The Emerging Roles of Autophagy in Human Diseases. Biomedicines 2021; 9:biomedicines9111651. [PMID: 34829881 PMCID: PMC8615641 DOI: 10.3390/biomedicines9111651] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/03/2021] [Accepted: 11/05/2021] [Indexed: 01/18/2023] Open
Abstract
Autophagy, a process of cellular self-digestion, delivers intracellular components including superfluous and dysfunctional proteins and organelles to the lysosome for degradation and recycling and is important to maintain cellular homeostasis. In recent decades, autophagy has been found to help fight against a variety of human diseases, but, at the same time, autophagy can also promote the procession of certain pathologies, which makes the connection between autophagy and diseases complex but interesting. In this review, we summarize the advances in understanding the roles of autophagy in human diseases and the therapeutic methods targeting autophagy and discuss some of the remaining questions in this field, focusing on cancer, neurodegenerative diseases, infectious diseases and metabolic disorders.
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Muthusamy S, Jan HM, Hsieh MY, Mondal S, Liu WC, Ko YA, Yang WY, Mong KKT, Chen GC, Lin CH. Enhanced enzymatic production of cholesteryl 6'-acylglucoside impairs lysosomal degradation for the intracellular survival of Helicobacter pylori. J Biomed Sci 2021; 28:72. [PMID: 34706729 PMCID: PMC8549234 DOI: 10.1186/s12929-021-00768-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 10/08/2021] [Indexed: 01/15/2023] Open
Abstract
Background During autophagy defense against invading microbes, certain lipid types are indispensable for generating specialized membrane-bound organelles. The lipid composition of autophagosomes remains obscure, as does the issue of how specific lipids and lipid-associated enzymes participate in autophagosome formation and maturation. Helicobacter pylori is auxotrophic for cholesterol and converts cholesterol to cholesteryl glucoside derivatives, including cholesteryl 6ʹ-O-acyl-α-d-glucoside (CAG). We investigated how CAG and its biosynthetic acyltransferase assist H. pylori to escape host-cell autophagy. Methods We applied a metabolite-tagging method to obtain fluorophore-containing cholesteryl glucosides that were utilized to understand their intracellular locations. H. pylori 26695 and a cholesteryl glucosyltransferase (CGT)-deletion mutant (ΔCGT) were used as the standard strain and the negative control that contains no cholesterol-derived metabolites, respectively. Bacterial internalization and several autophagy-related assays were conducted to unravel the possible mechanism that H. pylori develops to hijack the host-cell autophagy response. Subcellular fractions of H. pylori-infected AGS cells were obtained and measured for the acyltransferase activity. Results The imaging studies of fluorophore-labeled cholesteryl glucosides pinpointed their intracellular localization in AGS cells. The result indicated that CAG enhances the internalization of H. pylori in AGS cells. Particularly, CAG, instead of CG and CPG, is able to augment the autophagy response induced by H. pylori. How CAG participates in the autophagy process is multifaceted. CAG was found to intervene in the degradation of autophagosomes and reduce lysosomal biogenesis, supporting the idea that intracellular H. pylori is harbored by autophago-lysosomes in favor of the bacterial survival. Furthermore, we performed the enzyme activity assay of subcellular fractions of H. pylori-infected AGS cells. The analysis showed that the acyltransferase is mainly distributed in autophago-lysosomal compartments. Conclusions Our results support the idea that the acyltransferase is mainly distributed in the subcellular compartment consisting of autophagosomes, late endosomes, and lysosomes, in which the acidic environment is beneficial for the maximal acyltransferase activity. The resulting elevated level of CAG can facilitate bacterial internalization, interfere with the autophagy flux, and causes reduced lysosomal biogenesis. Supplementary Information The online version contains supplementary material available at 10.1186/s12929-021-00768-w.
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Affiliation(s)
- Sasikala Muthusamy
- Institute of Biological Chemistry, Academia Sinica, No. 128 Academia Road Section 2, Nan-Kang, Taipei, 11529, Taiwan.,Molecular and Biological Agricultural Sciences Program, Taiwan International Graduate Program, National Chung-Hsing University and Academia Sinica, Taipei, 11529, Taiwan.,Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, 40227, Taiwan.,Biotechnology Center, National Chung-Hsing University, Taichung, 40227, Taiwan
| | - Hau-Ming Jan
- Institute of Biological Chemistry, Academia Sinica, No. 128 Academia Road Section 2, Nan-Kang, Taipei, 11529, Taiwan
| | - Ming-Yen Hsieh
- Institute of Biological Chemistry, Academia Sinica, No. 128 Academia Road Section 2, Nan-Kang, Taipei, 11529, Taiwan
| | - Soumik Mondal
- Department of Applied Chemistry, National Chiao Tung University, Hsin-Chu, 30010, Taiwan
| | - Wen-Chun Liu
- Biomedical Translation Research Center, Academia Sinica, Taipei, 11529, Taiwan
| | - Yi-An Ko
- Biomedical Translation Research Center, Academia Sinica, Taipei, 11529, Taiwan
| | - Wei-Yuan Yang
- Institute of Biological Chemistry, Academia Sinica, No. 128 Academia Road Section 2, Nan-Kang, Taipei, 11529, Taiwan.,Institute of Biochemical Sciences, National Taiwan University, Taipei, 10617, Taiwan
| | - Kwok-Kong Tony Mong
- Department of Applied Chemistry, National Chiao Tung University, Hsin-Chu, 30010, Taiwan
| | - Guang-Chao Chen
- Institute of Biological Chemistry, Academia Sinica, No. 128 Academia Road Section 2, Nan-Kang, Taipei, 11529, Taiwan.,Institute of Biochemical Sciences, National Taiwan University, Taipei, 10617, Taiwan
| | - Chun-Hung Lin
- Institute of Biological Chemistry, Academia Sinica, No. 128 Academia Road Section 2, Nan-Kang, Taipei, 11529, Taiwan. .,Molecular and Biological Agricultural Sciences Program, Taiwan International Graduate Program, National Chung-Hsing University and Academia Sinica, Taipei, 11529, Taiwan. .,Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, 40227, Taiwan. .,Biotechnology Center, National Chung-Hsing University, Taichung, 40227, Taiwan. .,Institute of Biochemical Sciences, National Taiwan University, Taipei, 10617, Taiwan. .,Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan.
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Prashar A, Capurro MI, Jones NL. Under the Radar: Strategies Used by Helicobacter pylori to Evade Host Responses. Annu Rev Physiol 2021; 84:485-506. [PMID: 34672717 DOI: 10.1146/annurev-physiol-061121-035930] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The body depends on its physical barriers and innate and adaptive immune responses to defend against the constant assault of potentially harmful microbes. In turn, successful pathogens have evolved unique mechanisms to adapt to the host environment and manipulate host defenses. Helicobacter pylori (Hp), a human gastric pathogen that is acquired in childhood and persists throughout life, is an example of a bacterium that is very successful at remodeling the host-pathogen interface to promote a long-term persistent infection. Using a combination of secreted virulence factors, immune subversion, and manipulation of cellular mechanisms, Hp can colonize and persist in the hostile environment of the human stomach. Here, we review the most recent and relevant information regarding how this successful pathogen overcomes gastric epithelial host defense responses to facilitate its own survival and establish a chronic infection. Expected final online publication date for the Annual Review of Physiology, Volume 84 is February 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Akriti Prashar
- Program in Cell Biology, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, Ontario, Canada;
| | - Mariana I Capurro
- Program in Cell Biology, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, Ontario, Canada;
| | - Nicola L Jones
- Program in Cell Biology, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, Ontario, Canada; .,Division of Gastroenterology, Hepatology and Nutrition, The Hospital for Sick Children, Toronto, Ontario, Canada.,Departments of Paediatrics and Physiology, University of Toronto, Toronto, Ontario, Canada
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Papaefthymiou A, Christodoulidis G, Koffas A, Doulberis M, Polyzos SA, Manolakis A, Potamianos S, Kapsoritakis A, Kountouras J. Role of autophagy in gastric carcinogenesis. World J Gastrointest Oncol 2021; 13:1244-1262. [PMID: 34721765 PMCID: PMC8529927 DOI: 10.4251/wjgo.v13.i10.1244] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/06/2021] [Accepted: 08/02/2021] [Indexed: 02/06/2023] Open
Abstract
Gastric cancer represents a common and highly fatal malignancy, and thus a pathophysiology-based reconsideration is necessary, given the absence of efficient therapeutic regimens. In this regard, emerging data reveal a significant role of autophagy in gastric oncogenesis, progression, metastasis and chemoresistance. Although autophagy comprises a normal primordial process, ensuring cellular homeostasis under energy depletion and stress conditions, alterations at any stage of the complex regulatory system could stimulate a tumorigenic and promoting cascade. Among others, Helicobacter pylori infection induces a variety of signaling molecules modifying autophagy, during acute infection or after chronic autophagy degeneration. Subsequently, defective autophagy allows malignant transformation and upon cancer establishment, an overactive autophagy is stimulated. This overexpressed autophagy provides energy supplies and resistance mechanisms to gastric cancer cells against hosts defenses and anticancer treatment. This review interprets the implicated autophagic pathways in normal cells and in gastric cancer to illuminate the potential preventive, therapeutic and prognostic benefits of understanding and intervening autophagy.
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Affiliation(s)
- Apostolis Papaefthymiou
- Department of Gastroenterology, University Hospital of Larissa, Larissa 41110, Thessaly, Greece
- First Laboratory of Pharmacology, Aristotle University of Thessaloniki, Thessaloniki 54124, Macedonia, Greece
- Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki 54642, Macedonia, Greece
| | | | - Apostolos Koffas
- Department of Gastroenterology, University Hospital of Larissa, Larissa 41110, Thessaly, Greece
| | - Michael Doulberis
- First Laboratory of Pharmacology, Aristotle University of Thessaloniki, Thessaloniki 54124, Macedonia, Greece
- Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki 54642, Macedonia, Greece
- Division of Gastroenterology and Hepatology, Medical University Department, Kantonsspital Aarau, Aarau 5001, Switzerland
| | - Stergios A Polyzos
- First Laboratory of Pharmacology, Aristotle University of Thessaloniki, Thessaloniki 54124, Macedonia, Greece
| | - Anastasios Manolakis
- Department of Gastroenterology, University Hospital of Larissa, Larissa 41110, Thessaly, Greece
| | - Spyros Potamianos
- Department of Gastroenterology, University Hospital of Larissa, Larissa 41110, Thessaly, Greece
| | - Andreas Kapsoritakis
- Department of Gastroenterology, University Hospital of Larissa, Larissa 41110, Thessaly, Greece
| | - Jannis Kountouras
- Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki 54642, Macedonia, Greece
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Yu LCH, Wei SC, Li YH, Lin PY, Chang XY, Weng JP, Shue YW, Lai LC, Wang JT, Jeng YM, Ni YH. Invasive Pathobionts Contribute to Colon Cancer Initiation by Counterbalancing Epithelial Antimicrobial Responses. Cell Mol Gastroenterol Hepatol 2021; 13:57-79. [PMID: 34418587 PMCID: PMC8600093 DOI: 10.1016/j.jcmgh.2021.08.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/11/2021] [Accepted: 08/11/2021] [Indexed: 01/11/2023]
Abstract
BACKGROUND & AIMS Microbiota dysbiosis and mucosa-associated bacteria are involved in colorectal cancer progression. We hypothesize that an interaction between virulent pathobionts and epithelial defense promotes tumorigenesis. METHODS Chemical-induced CRC mouse model was treated with antibiotics at various phases. Colonic tissues and fecal samples were collected in a time-serial mode and analyzed by gene microarray and 16S rRNA sequencing. Intraepithelial bacteria were isolated using a gentamicin resistance assay, and challenged in epithelial cultures. RESULTS Our study showed that antibiotic treatment at midphase but not early or late phase reduced mouse tumor burden, suggesting a time-specific host-microbe interplay. A unique antimicrobial transcriptome profile showing an inverse relationship between autophagy and oxidative stress genes was correlated with a transient surge in microbial diversity and virulence emergence in mouse stool during cancer initiation. Gavage with fimA/fimH/htrA-expressing invasive Escherichia coli isolated from colonocytes increased tumor burden in recipient mice, whereas inoculation of bacteria deleted of htrA or triple genes did not. The invasive E.coli suppressed epithelial autophagy activity through reduction of microtubule-associated protein 1 light-chain 3 transcripts and caused dual oxidase 2-dependent free radical overproduction and tumor cell hyperproliferation. A novel alternating spheroid culture model was developed for sequential bacterial challenge to address the long-term changes in host-microbe interaction for chronic tumor growth. Epithelial cells with single bacterial encounter showed a reduction in transcript levels of autophagy genes while those sequentially challenged with invasive E.coli showed heightened autophagy gene expression to eliminate intracellular microbes, implicating that bacteria-dependent cell hyperproliferation could be terminated at late phases. Finally, the presence of bacterial htrA and altered antimicrobial gene expression were observed in human colorectal cancer specimens. CONCLUSIONS Invasive pathobionts contribute to cancer initiation during a key time frame by counterbalancing autophagy and oxidative stress in the colonic epithelium. Monitoring gut microbiota and antimicrobial patterns may help identify the window of opportunity for intervention with bacterium-targeted precision medicine.
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Affiliation(s)
| | - Shu-Chen Wei
- Department of Internal Medicine, Taipei, Taiwan, Republic of China
| | - Yi-Hsuan Li
- Graduate Institute of Physiology, Taipei, Taiwan, Republic of China
| | - Po-Yu Lin
- Graduate Institute of Physiology, Taipei, Taiwan, Republic of China
| | - Xin-Yu Chang
- Graduate Institute of Physiology, Taipei, Taiwan, Republic of China
| | - Jui-Ping Weng
- Graduate Institute of Physiology, Taipei, Taiwan, Republic of China
| | - Yin-Wen Shue
- Graduate Institute of Physiology, Taipei, Taiwan, Republic of China,Department of Internal Medicine, Taipei, Taiwan, Republic of China
| | - Liang-Chuan Lai
- Graduate Institute of Physiology, Taipei, Taiwan, Republic of China,Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Jin-Town Wang
- Department of Internal Medicine, Taipei, Taiwan, Republic of China,Department of Microbiology, National Taiwan University College of Medicine, Taipei, Taiwan, Republic of China
| | - Yung-Ming Jeng
- Department of Pathology, Taipei, Taiwan, Republic of China
| | - Yen-Hsuan Ni
- Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan, Republic of China,Correspondence Address correspondence to: Yen-Hsuan Ni, MD, PhD, Department of Pediatrics, National Taiwan University College of Medicine and Hospital, 7 Chung-Shan South Road, Taipei, Taiwan, Republic of China. fax: (886) 2-23938871.
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Lin TY, Lan WH, Chiu YF, Feng CL, Chiu CH, Kuo CJ, Lai CH. Statins' Regulation of the Virulence Factors of Helicobacter pylori and the Production of ROS May Inhibit the Development of Gastric Cancer. Antioxidants (Basel) 2021; 10:1293. [PMID: 34439541 PMCID: PMC8389206 DOI: 10.3390/antiox10081293] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 12/13/2022] Open
Abstract
Conventionally, statins are used to treat high cholesterol levels. They exhibit pleiotropic effects, such as the prevention of cardiovascular disease and decreased cancer mortality. Gastric cancer (GC) is one of the most common cancers, ranking as the third leading global cause of cancer-related deaths, and is mainly attributed to chronic Helicobacter pylori infection. During their co-evolution with hosts, H. pylori has developed the ability to use the cellular components of the host to evade the immune system and multiply in intracellular niches. Certain H. pylori virulence factors, including cytotoxin-associated gene A (CagA), vacuolating cytotoxin A (VacA), and cholesterol-α-glucosyltransferase (CGT), have been shown to exploit host cholesterol during pathogenesis. Therefore, using statins to antagonize cholesterol synthesis might prove to be an ideal strategy for reducing the occurrence of H. pylori-related GC. This review discusses the current understanding of the interplay of H. pylori virulence factors with cholesterol and reactive oxygen species (ROS) production, which may prove to be novel therapeutic targets for the development of effective treatment strategies against H. pylori-associated GC. We also summarize the findings of several clinical studies on the association between statin therapy and the development of GC, especially in terms of cancer risk and mortality.
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Affiliation(s)
- Ting-Yu Lin
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (T.-Y.L.); (W.-H.L.); (Y.-F.C.); (C.-H.C.)
- Research Center for Emerging Viral, Infections Department of Microbiology and Immunology, Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan 33302, Taiwan
| | - Wen-Hsi Lan
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (T.-Y.L.); (W.-H.L.); (Y.-F.C.); (C.-H.C.)
- Research Center for Emerging Viral, Infections Department of Microbiology and Immunology, Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan 33302, Taiwan
| | - Ya-Fang Chiu
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (T.-Y.L.); (W.-H.L.); (Y.-F.C.); (C.-H.C.)
- Research Center for Emerging Viral, Infections Department of Microbiology and Immunology, Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Medical Laboratory, Chang Gung Memorial Hospital at Linkou, Taoyuan 33305, Taiwan
| | - Chun-Lung Feng
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, China Medical University Hsinchu Hospital, Hsinchu 30272, Taiwan;
- Department of Internal Medicine, Department of Medical Research, School of Medicine, China Medical University and Hospital, Taichung 40447, Taiwan
| | - Cheng-Hsun Chiu
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (T.-Y.L.); (W.-H.L.); (Y.-F.C.); (C.-H.C.)
- Research Center for Emerging Viral, Infections Department of Microbiology and Immunology, Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan 33302, Taiwan
- Molecular Infectious Disease Research Center, Department of Pediatrics, Chang Gung Memorial Hospital at Linkou, Taoyuan 33305, Taiwan
- Chang Gung Microbiota Therapy Center, Chang Gung Memorial Hospital at Linkou, Taoyuan 33305, Taiwan
| | - Chia-Jung Kuo
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (T.-Y.L.); (W.-H.L.); (Y.-F.C.); (C.-H.C.)
- Chang Gung Microbiota Therapy Center, Chang Gung Memorial Hospital at Linkou, Taoyuan 33305, Taiwan
- Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital at Linkou, Taoyuan 33305, Taiwan
| | - Chih-Ho Lai
- Research Center for Emerging Viral, Infections Department of Microbiology and Immunology, Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Internal Medicine, Department of Medical Research, School of Medicine, China Medical University and Hospital, Taichung 40447, Taiwan
- Molecular Infectious Disease Research Center, Department of Pediatrics, Chang Gung Memorial Hospital at Linkou, Taoyuan 33305, Taiwan
- Department of Nursing, Asia University, Taichung 41354, Taiwan
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Thein W, Po WW, Choi WS, Sohn UD. Autophagy and Digestive Disorders: Advances in Understanding and Therapeutic Approaches. Biomol Ther (Seoul) 2021; 29:353-364. [PMID: 34127572 PMCID: PMC8255139 DOI: 10.4062/biomolther.2021.086] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 05/11/2021] [Accepted: 05/24/2021] [Indexed: 12/16/2022] Open
Abstract
The gastrointestinal (GI) tract is a series of hollow organs that is responsible for the digestion and absorption of ingested foods and the excretion of waste. Any changes in the GI tract can lead to GI disorders. GI disorders are highly prevalent in the population and account for substantial morbidity, mortality, and healthcare utilization. GI disorders can be functional, or organic with structural changes. Functional GI disorders include functional dyspepsia and irritable bowel syndrome. Organic GI disorders include inflammation of the GI tract due to chronic infection, drugs, trauma, and other causes. Recent studies have highlighted a new explanatory mechanism for GI disorders. It has been suggested that autophagy, an intracellular homeostatic mechanism, also plays an important role in the pathogenesis of GI disorders. Autophagy has three primary forms: macroautophagy, microautophagy, and chaperone-mediated autophagy. It may affect intestinal homeostasis, host defense against intestinal pathogens, regulation of the gut microbiota, and innate and adaptive immunity. Drugs targeting autophagy could, therefore, have therapeutic potential for treating GI disorders. In this review, we provide an overview of current understanding regarding the evidence for autophagy in GI diseases and updates on potential treatments, including drugs and complementary and alternative medicines.
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Affiliation(s)
- Wynn Thein
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Wah Wah Po
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Won Seok Choi
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Uy Dong Sohn
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
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Al-Eitan L, Almomani FA, Al-Khatib SM, Aljamal HA, Al-Qusami MN, Aljamal RA. Association of toll-like receptor 4, 5 and 10 polymorphisms with Helicobacter pylori-positive peptic ulcer disease in a center in Jordan. Ann Saudi Med 2021; 41:206-215. [PMID: 34420402 PMCID: PMC8380278 DOI: 10.5144/0256-4947.2021.206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Helicobacter pylori infection is widespread, affecting about 50% of the global population. Polymorphisms in host genes such as the toll-like receptor 4 (TLR4) might affect the susceptibility and severity of infection and treatment success. OBJECTIVE Investigate the susceptibility and severity of H pylori infection with host TLR4 (rs11536889, rs4986790, rs200109652, rs10759932), TLR5 (rs5744174, rs2072493, rs746250566), TLR10 (rs559182335, rs10004195) polymorphisms. DESIGN Analytical, cross-sectional. SETTING Endoscopy clinic at tertiary care center. PATIENTS AND METHODS Genomic DNA was extracted from formalin-fixed paraffin-embedded tissues collected from H pylori-infected patients and healthy individuals. The single nucleotide polymorphisms (SNPs) within the targeted TLR genes were genotyped to assess the genetic association of various SNPs with disease severity. MAIN OUTCOME MEASURES Effect of genotype distribution on H pylori infection. SAMPLE SIZE 250 peptic ulcer patients and 217 controls. RESULTS The TLR10 genotype showed no significant association with H pylori infection except for rs10004195 (T>A) (P=.002). The genotype frequency of Rs5744174 in TLR5 had a significant association with the presence of H pylori infection (P=.046, OR=0.52). Except for gender (P=.022), there were no significant associations between clinical and demographic variables and SNPs relating to the severity of the H pylori infections. CONCLUSIONS Our findings are consistent with differences in severity of H pylori infection due to TLR SNPs in different ethnic groups. Understanding differences in genetic susceptibility could help in classifying patients and matching patients with various treatment options on a genetic basis. LIMITATIONS Lack of H pylori pathogenicity features assessment. CONFLICTS OF INTEREST None.
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Affiliation(s)
- Laith Al-Eitan
- From the Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - Fouad Abdelaziz Almomani
- From the Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - Sohaib Mahmoud Al-Khatib
- From the Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - Hanan Abdulraheem Aljamal
- From the Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - Mohammed Nayef Al-Qusami
- From the Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - Rawan Abdulraheem Aljamal
- From the Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
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Helicobacter pylori regulates ILK to influence autophagy through Rac1 and RhoA signaling pathways in gastric epithelial cells. Microb Pathog 2021; 158:105054. [PMID: 34146643 DOI: 10.1016/j.micpath.2021.105054] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 05/27/2021] [Accepted: 06/09/2021] [Indexed: 11/22/2022]
Abstract
The ability of Helicobacter pylori to manipulate host autophagy is an important pathogenic mechanism. We found an inverse correlation between the expression of ILK and the autophagy marker protein LC3B in H. pylori-positive human samples, H. pylori-infected mice models and H. pylori-infected GES-1 cell lines. When the ILK-knockdown GES-1 cells were infected by H. pylori, CagA were significantly degraded, autophagosomes accumulation and autolysosomes formation were significantly increased, and LC3B protein levels and ratio of LC3BII to LC3BI were also remarkably upregulated. And chloroquine treatment increased LC3B levels in ILK-knockdown GES-1 cells. The expression levels of both Rac1 and RhoA were downregulated in GES-1 cells after H. pylori infection and were decreased in ILK-knockdown GES-1 cells. The mRNA and protein levels of PAK1, MLC, and LIMK were significantly decreased and cofilin mRNA and protein levels were significantly increased in GES-1 cells treated with the Rac1 inhibitor NSC 23766. The mRNA and protein levels of ROCK1, ROCK2, MLC, and LIMK1 were significantly reduced and cofilin mRNA and protein levels were significantly increased in GES-1 cells treated with the RhoA inhibitor CCG-1423. F-actin was significantly reduced in Rac1- or RhoA-inhibited GES-1 cells. F-actin depolymerization induced autophagosomes accumulation, autolysosomes formation, and the increase of LC3B levels in GES-1 cells. Therefore, these findings revealed that ILK could serve as a novel regulator to affect Rac1/PAK1 and RhoA/ROCKs signaling pathways, thereby influencing H. pylori-induced autophagy.
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Autophagy in Gastric Mucosa: The Dual Role and Potential Therapeutic Target. BIOMED RESEARCH INTERNATIONAL 2021; 2021:2648065. [PMID: 34195260 PMCID: PMC8214476 DOI: 10.1155/2021/2648065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/01/2021] [Indexed: 12/22/2022]
Abstract
The incidence of stomach diseases is very high, which has a significant impact on human health. Damaged gastric mucosa is more vulnerable to injury, leading to bleeding and perforation, which eventually aggravates the primary disease. Therefore, the protection of gastric mucosa is crucial. However, existing drugs that protect gastric mucosa can cause nonnegligible side effects, such as hepatic inflammation, nephritis, hypoacidity, impotence, osteoporotic bone fracture, and hypergastrinemia. Autophagy, as a major intracellular lysosome-dependent degradation process, plays a key role in maintaining intracellular homeostasis and resisting environmental pressure, which may be a potential therapeutic target for protecting gastric mucosa. Recent studies have demonstrated that autophagy played a dual role when gastric mucosa exposed to biological and chemical factors. More indepth studies are needed on the protective effect of autophagy in gastric mucosa. In this review, we focus on the mechanisms and the dual role of various biological and chemical factors regulating autophagy, such as Helicobacter pylori, virus, and nonsteroidal anti-inflammatory drugs. And we summarize the pathophysiological properties and pharmacological strategies for the protection of gastric mucosa through autophagy.
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Ma C, Storer CE, Chandran U, LaFramboise WA, Petrosko P, Frank M, Hartman DJ, Pantanowitz L, Haritunians T, Head RD, Liu TC. Crohn's disease-associated ATG16L1 T300A genotype is associated with improved survival in gastric cancer. EBioMedicine 2021; 67:103347. [PMID: 33906066 PMCID: PMC8099593 DOI: 10.1016/j.ebiom.2021.103347] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND A non-synonymous single nucleotide polymorphism of the ATG16L1 gene, T300A, is a major Crohn's disease (CD) susceptibility allele, and is known to be associated with increased apoptosis induction in the small intestinal crypt base in CD subjects and mouse models. We hypothesized that ATG16L1 T300A genotype also correlates with increased tumor apoptosis and therefore could lead to superior clinical outcome in cancer subjects. METHODS T300A genotyping by Taqman assay was performed for gastric carcinoma subjects who underwent resection from two academic medical centers. Transcriptomic analysis was performed by RNA-seq on formalin-fixed paraffin-embedded cancerous tissue. Tumor apoptosis and autophagy were determined by cleaved caspase-3 and p62 immunohistochemistry, respectively. The subjects' genotypes were correlated with demographics, various histopathologic features, transcriptome, and clinical outcome. FINDINGS Of the 220 genotyped subjects, 163 (74%) subjects carried the T300A allele(s), including 55 (25%) homozygous and 108 (49%) heterozygous subjects. The T300A/T300A subjects had superior overall survival than the other groups. Their tumors were associated with increased CD-like lymphoid aggregates and increased tumor apoptosis without concurrent increase in tumor mitosis or defective autophagy. Transcriptomic analysis showed upregulation of WNT/β-catenin signaling and downregulation of PPAR, EGFR, and inflammatory chemokine pathways in tumors of T300A/T300A subjects. INTERPRETATION Gastric carcinoma of subjects with the T300A/T300A genotype is associated with repressed EGFR and PPAR pathways, increased tumor apoptosis, and improved overall survival. Genotyping gastric cancer subjects may provide additional insight for clinical stratification.
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Affiliation(s)
- Changqing Ma
- Department of Pathology, University of Pittsburgh School of Medicine, 200 Lothrop Street, A-610, Pittsburgh, PA 15213, United States.
| | - Chad E Storer
- Department of Genetics, Washington University School of Medicine, Saint Louis, MO 63110, United States
| | - Uma Chandran
- Department of Biomedical Informatics, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, United States
| | - William A LaFramboise
- UPMC Hillman Cancer Center, Cancer Genomics Facility, Pittsburgh, PA 15232, United States
| | - Patricia Petrosko
- UPMC Hillman Cancer Center, Cancer Genomics Facility, Pittsburgh, PA 15232, United States
| | - Madison Frank
- Department of Pathology, University of Pittsburgh School of Medicine, 200 Lothrop Street, A-610, Pittsburgh, PA 15213, United States
| | - Douglas J Hartman
- Department of Pathology, University of Pittsburgh School of Medicine, 200 Lothrop Street, A-610, Pittsburgh, PA 15213, United States
| | - Liron Pantanowitz
- Department of Pathology, University of Pittsburgh School of Medicine, 200 Lothrop Street, A-610, Pittsburgh, PA 15213, United States
| | - Talin Haritunians
- F. Widjaja Family Foundation Inflammatory Bowel and Immunobiology Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Richard D Head
- Department of Genetics, Washington University School of Medicine, Saint Louis, MO 63110, United States
| | - Ta-Chiang Liu
- Departments of Pathology and Immunology, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8118, Saint Louis, MO 63110, United States.
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Reshetnyak VI, Burmistrov AI, Maev IV. Helicobacter pylori: Commensal, symbiont or pathogen? World J Gastroenterol 2021; 27:545-560. [PMID: 33642828 PMCID: PMC7901052 DOI: 10.3748/wjg.v27.i7.545] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 12/28/2020] [Accepted: 01/21/2021] [Indexed: 02/06/2023] Open
Abstract
This review considers the data on Helicobacter pylori (H. pylori), which have been accumulated over 40 years since its description as an etiological factor in gastrointestinal diseases. The majority of modern publications are devoted to the study of the pathogenic properties of the microorganism in the development of chronic gastritis, peptic ulcer disease, and gastric cancer, as well as methods for its eradication. However, in recent years, there have been more and more studies which have suggested that H. pylori has a beneficial, or potentially positive, effect on the human body. The authors have attempted to objectively analyze the information accumulated in the literature on H. pylori. Some studies consider it as one of the recently identified human bacterial pathogens, and special attention is paid to the evidence suggesting that it is probably part of the composition of the human microbiome as a commensal (commensal from French to English is a table companion) or even a symbiont. The presented data discussing the presence or absence of the effect of H. pylori on human health suggest that there is an apparent ambiguity of the problem. The re-assessment of the data available on H. pylori infection is important in order to answer the question of whether it is necessary to create a program of mass H. pylori eradication or to apply a more personalized approach to treating patients with H. pylori-associated gastrointestinal diseases and to perform eradication therapy.
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Affiliation(s)
- Vasiliy Ivanovich Reshetnyak
- Department of Propaedeutic of Internal Diseases and Gastroenterology, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Moscow 127473, Russia
| | - Alexandr Igorevich Burmistrov
- Department of Propaedeutic of Internal Diseases and Gastroenterology, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Moscow 127473, Russia
| | - Igor Veniaminovich Maev
- Department of Propaedeutic of Internal Diseases and Gastroenterology, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Moscow 127473, Russia
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