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Zhou Y, Meyle J, Groeger S. Periodontal pathogens and cancer development. Periodontol 2000 2024. [PMID: 38965193 DOI: 10.1111/prd.12590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 05/03/2024] [Accepted: 06/11/2024] [Indexed: 07/06/2024]
Abstract
Increasing evidence suggests a significant association between periodontal disease and the occurrence of various cancers. The carcinogenic potential of several periodontal pathogens has been substantiated in vitro and in vivo. This review provides a comprehensive overview of the diverse mechanisms employed by different periodontal pathogens in the development of cancer. These mechanisms induce chronic inflammation, inhibit the host's immune system, activate cell invasion and proliferation, possess anti-apoptotic activity, and produce carcinogenic substances. Elucidating these mechanisms might provide new insights for developing novel approaches for tumor prevention, therapeutic purposes, and survival improvement.
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Affiliation(s)
- Yuxi Zhou
- Department of Periodontology, Justus-Liebig-University of Giessen, Giessen, Germany
| | - Joerg Meyle
- Department of Periodontology, Justus-Liebig-University of Giessen, Giessen, Germany
| | - Sabine Groeger
- Department of Periodontology, Justus-Liebig-University of Giessen, Giessen, Germany
- Department of Orthodontics, Justus-Liebig-University of Giessen, Giessen, Germany
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Kaliamoorthy S, Priya Sayeeram S, Gowdhaman N, Jayaraj M, Radhika B, Chellapandi S, Elumalai A, Archana SP, Raju K, Palla S. Association of Periodontal Red Complex Bacteria With the Incidence of Gastrointestinal Cancers: A Systematic Review and Meta-Analysis. Cureus 2024; 16:e59251. [PMID: 38813341 PMCID: PMC11134483 DOI: 10.7759/cureus.59251] [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: 03/09/2024] [Accepted: 04/29/2024] [Indexed: 05/31/2024] Open
Abstract
Porphyromonas gingivalis is the primary microbe in the "periodontal red complex" bacteria (PRCB) along with Tannerella forsythia and Treponema denticola, which are linked to periodontal disease (PD). These pathogens are also implicated in various systemic disorders, but their association with the incidence of gastrointestinal (GI) cancer is less explored. A systematic review followed by a meta-analysis was conducted as per standard guidelines (Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) 2022) to find this association between GI cancers and PRCB after a literature search for full-text papers in the English language (between 2010 and 2023) in databases (Cochrane Library, PubMed, and Web of Science) with suitable keywords using the Boolean search strategy. Data extraction involved titles, abstracts, and full texts retrieved and scored by the modified Newcastle-Ottawa Scale. The data were analyzed by the Review Manager (RevMan 5.2, Cochrane Collaboration, Denmark). Standard Cochran Q test and I2 statistics (for heterogeneity) and a random effects model (pooled OR with 95% CI) were applied to report results. P. gingivalis among the PRCB was linked to GI cancers (OR: 2.16; 95% CI: 1.34-3.47). T. forsythia and T. denticola did not show meaningful associations as per existing evidence for GI cancers.
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Affiliation(s)
- Sriram Kaliamoorthy
- Department of Dentistry, Vinayaka Missions Medical College and Hospital, Vinayaka Missions Research Foundation, Karaikal, IND
| | - Sugantha Priya Sayeeram
- Department of Prosthodontics, Government Dental College and Hospital, The Tamil Nadu Dr. MGR Medical University, Pudukkottai, IND
| | - N Gowdhaman
- Departmentof Physiology, Dhanalakshmi Srinivasan Medical College and Hospital, The Tamil Nadu Dr. MGR Medical University, Perambalur, IND
| | - Merlin Jayaraj
- Department of Oral and Maxillofacial Pathology, Chettinad Dental College and Research Institute, The Tamil Nadu Dr. MGR Medical University, Chennai, IND
| | - B Radhika
- Department of Periodontics, Chettinad Dental College and Research Institute, The Tamil Nadu Dr. MGR Medical University, Chennai, IND
| | - Sugirtha Chellapandi
- Department of Periodontics, Chettinad Dental College and Research Institute, The Tamil Nadu Dr. MGR Medical University, Chennai, IND
| | - Agila Elumalai
- Department of Periodontics, Chettinad Dental College and Research Institute, The Tamil Nadu Dr. MGR Medical University, Chennai, IND
| | - Sai P Archana
- Department of Oral Medicine and Radiology, Chettinad Dental College and Research Institute, The Tamil Nadu Dr. MGR Medical University, Chennai, IND
| | - Kanmani Raju
- Department of Oral Medicine and Radiology, Chettinad Dental College and Research Institute, The Tamil Nadu Dr. MGR Medical University, Chennai, IND
| | - Santosh Palla
- Department of Oral Medicine and Radiology, Sun Dental Care, Chennai, IND
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Chai Y, Huang Z, Shen X, Lin T, Zhang Y, Feng X, Mao Q, Liang Y. Microbiota Regulates Pancreatic Cancer Carcinogenesis through Altered Immune Response. Microorganisms 2023; 11:1240. [PMID: 37317214 PMCID: PMC10221276 DOI: 10.3390/microorganisms11051240] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/02/2023] [Accepted: 05/04/2023] [Indexed: 06/16/2023] Open
Abstract
The microbiota is present in many parts of the human body and plays essential roles. The most typical case is the occurrence and development of cancer. Pancreatic cancer (PC), one of the most aggressive and lethal types of cancer, has recently attracted the attention of researchers. Recent research has revealed that the microbiota regulates PC carcinogenesis via an altered immune response. Specifically, the microbiota, in several sites, including the oral cavity, gastrointestinal tract, and pancreatic tissue, along with the numerous small molecules and metabolites it produces, influences cancer progression and treatment by activating oncogenic signaling, enhancing oncogenic metabolic pathways, altering cancer cell proliferation, and triggering chronic inflammation that suppresses tumor immunity. Diagnostics and treatments based on or in combination with the microbiota offer novel insights to improve efficiency compared with existing therapies.
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Affiliation(s)
- Yihan Chai
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Zhengze Huang
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Xuqiu Shen
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Tianyu Lin
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Yiyin Zhang
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Xu Feng
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
| | - Qijiang Mao
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
- Zhejiang Provincial Key Laboratory of Laparoscopic Technology, Hangzhou 310016, China
- Zhejiang Province Medical Research Center of Minimally Invasive Diagnosis and Treatment of Abdominal Diseases, Hangzhou 310028, China
| | - Yuelong Liang
- Department of General Surgery, Zhejiang University School of Medicine, Sir Run Run Shaw Hospital, Hangzhou 310016, China
- Zhejiang Province Medical Research Center of Minimally Invasive Diagnosis and Treatment of Abdominal Diseases, Hangzhou 310028, China
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Ou-Yang ZY, Feng Y, Xie DD, Yang YF, Chen Y, Chen NX, Su XL, Kuang BF, Zhao J, Zhao YQ, Feng YZ, Guo Y. Development, validation and psychometric evaluation of the Chinese version of the biopsychosocial impact scale in orofacial pain patients. Front Psychol 2023; 14:1101383. [PMID: 36960011 PMCID: PMC10029920 DOI: 10.3389/fpsyg.2023.1101383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 02/06/2023] [Indexed: 03/09/2023] Open
Abstract
Background The objective of this study was to develop the Chinese version of the biopsychosocial impact scale (BPIm-S) to assess functional limitation and psychosocial distress in orofacial pain (OFP) patients in mainland China, and investigate the factor structure, reliability and validity, measurement invariance, as well as scores differences across genders, age and educational status among OFP patients. Methods The BPIm-S was developed and evaluated in four stages: (1) concept selection and item generation; (2) a pilot study assessing face and content validity; (3) the factors structure, reliability, convergent validity, and measurement invariance; and (4) concurrent validity and clinical responsiveness. Exploratory (EFA) and confirmatory factor analyses (CFA) were performed on data gathered from 406 OFP patients to assess construct validity. Composite Reliability (CR) and the Average Variance Extracted (AVE) were used to assess internal convergent validity. CR, internal consistency, and split-half reliability were also performed to determine the reliability. Multigroup CFA (MGCFA) was used to assess measurement invariance across genders, age and educational status. Mann-Whitney test compared scores across different genders, age and educational status. Participants completed the BPIm-S, visual analog scale (VAS), brief pain inventory facial (BPI-F), General Anxiety Disorder-7 (GAD-7) and Patient Health Questionnaire-9 (PHQ-9), and spearman's correlation coefficient was used to evaluate the concurrent validity and item-total correlations. A total of 12 patients with OFP completed the BPIm-S twice to test clinical responsiveness. To conduct the CFA and measurement invariance analysis, Mplus 8.4 was used. IBM SPSS Statistics 21 software and SPSSAU, a web-based data science algorithm platform tool, were used for all additional studies. Results For the preliminary version, 17 items were chosen. A total of four items were removed following the pilot research. The remaining 13 items of the BPIm-S comprised an overall summary scale. Excellent reliability (Item-to-total correlations ranged from 0.763 to 0.912) and strong internal consistency (Cronbach's α = 0.970, functional limitation, 0.962, and psychosocial distress, 0.977) were discovered. CFA also validated the structural validity of the 13-item scale. EFA was performed and a two-factor structure was investigated. In addition, MGCFA corroborated the measurement invariance of the BPIm-S across gender, age, and educational status. Patients over the age of 30, those with a medium level of education, and those with a low level of education showed substantially greater levels of functional limitation and psychological distress (Wilcoxon test, p < 0.001). Both concurrent validity and clinical responsiveness were assessed to be of good quality. Conclusion The BPIm-S demonstrated good psychometric qualities and is a reliable tool that can now be used by clinicians to evaluate functional limitation and psychosocial distress among OFP patient.
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Affiliation(s)
- Ze-Yue Ou-Yang
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yao Feng
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Dong-Dong Xie
- The Medical Psychological Institute, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yi-Fan Yang
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yun Chen
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Ning-Xin Chen
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Xiao-Lin Su
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Bi-Fen Kuang
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jie Zhao
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Ya-Qiong Zhao
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yun-Zhi Feng
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yue Guo
- Department of Stomatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
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Ungureanu BS, Gheorghe DN, Nicolae FM, Râmboiu S, Radu PA, Șurlin VM, Strâmbu VDE, Gheonea DI, Roman A, Șurlin P. Could there be an interplay between periodontal changes and pancreatic malignancies? World J Clin Cases 2023; 11:545-555. [PMID: 36793639 PMCID: PMC9923858 DOI: 10.12998/wjcc.v11.i3.545] [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: 11/18/2022] [Revised: 12/19/2022] [Accepted: 01/10/2023] [Indexed: 01/23/2023] Open
Abstract
The term "periodontal disease" refers to a group of chronic inflammatory illnesses caused by specific microorganisms from subgingival biofilm, that affect the tooth-supporting tissues. Recent research has also shown that periodontal infection plays a role in aggravating systemic disease states at distal sites, reinforcing the significance of the oral cavity for general health. Additionally, it has been suggested that gastroenterological malignancies may be promoted by hematogenous, enteral or lymphatic translocation of periopathogens. In the past 25 years, the global burden of pancreatic cancer (PC) has more than doubled, making it one of the major causes of cancer-related mortality. Periodontitis has been linked to at least 50% increased risk of PC and it could be considered a risk factor for this malignancy. A recent study performed on 59000 African American women with a follow up of 21 years showed that participants who had poor dental health had higher chances of PC. The findings, according to researchers, might be related to the inflammation that some oral bacteria trigger. Regarding the mortality of PC, periodontitis considerably raises the chance of dying from PC. Microbiome alterations in the gut, oral cavity and pancreatic tissues of PC patients occur when compared to healthy flora, demonstrating a link between PC and microecology. Inflammation may also contribute to PC development, although the underlying pathway is not yet known. The function of the microbiome in PC risk has drawn more focus over the last decade. Future risk of PC has been linked to the oral microbiome, specifically increased levels of Porphyromonas gingivalis and Aggregatibacter actinomycetemcomitans and decreased relative abundance of Leptotrichia and Fusobacteria, suggesting that it may have an impact on the inflammatory condition by expanding, altering, and regulating the commensal microbiome. Patients who received periodontal treatment had significantly decreased incidence rate ratios for PC. By analyzing patterns in the microbiome composition throughout PC development and establishing strategies to enhance the cancer-associated microbial system, we can increase the efficacy of therapy and eventually find an application for the microbial system. The development of immunogenomics and gut micro-genomics in the life sciences will result in a significant advancement in our understanding of how microbial systems and immunotherapy interact, and it may also have intriguing therapeutic implications for extending the lifetime of PC patients.
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Affiliation(s)
- Bogdan Silviu Ungureanu
- Department of Gastroenterology, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
| | - Dorin Nicolae Gheorghe
- Department of Periodontology, Research Center of Periodontal-Systemic Implications, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
| | - Flavia Mirela Nicolae
- Department of Periodontology, Research Center of Periodontal-Systemic Implications, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
| | - Sandu Râmboiu
- Department 1st of Surgery, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
| | - Petru Adrian Radu
- Department of General Surgery, “Carol Davila” University of Medicine and Pharmacy, Bucharest 020021, Romania
| | - Valeriu Marin Șurlin
- Department 1st of Surgery, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
| | - Victor Dan Eugen Strâmbu
- Department of General Surgery, “Carol Davila” University of Medicine and Pharmacy, Bucharest 020021, Romania
| | - Dan Ionut Gheonea
- Department of Gastroenterology, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
| | - Alexandra Roman
- Department of Periodontology, "Iuliu Hațieganu" University of Medicine and Pharmacy, Cluj-Napoca 400012, Romania
| | - Petra Șurlin
- Department of Periodontology, Research Center of Periodontal-Systemic Implications, University of Medicine and Pharmacy of Craiova, Craiova 200349, Romania
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MORIKAWA TETSURO, UEHARA OSAMU, PAUDEL DURGA, YOSHIDA KOKI, HARADA FUMIYA, HIRAKI DAICHI, SATO JUN, MATSUOKA HIROFUMI, KURAMITSU YASUHIRO, MICHIKAWA MAKOTO, ABIKO YOSHIHIRO. Systemic Administration of Lipopolysaccharide from Porphyromonas gingivalis Decreases Neprilysin Expression in the Mouse Hippocampus. In Vivo 2023; 37:163-172. [PMID: 36593043 PMCID: PMC9843806 DOI: 10.21873/invivo.13065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 01/03/2023]
Abstract
BACKGROUND/AIM Alzheimer's disease is the most common type of neurodegenerative disorder in elderly individuals worldwide. Increasing evidence suggests that periodontal diseases are involved in the pathogenesis of Alzheimer's disease, and an association between periodontitis and amyloid-β deposition in elderly individuals has been demonstrated. The aim of the present study was to examine the effects of systemic administration of Porphyromonas gingivalis-derived lipopolysaccharide (PG-LPS) on neprilysin expression in the hippocampus of adult and senescence-accelerated mice. MATERIALS AND METHODS PG-LPS diluted in saline was intraperitoneally administered to male C57BL/6J and senescence-accelerated mouse prone 8 (SAMP8) mice at a dose of 5 mg/kg every 3 days for 3 months. Both C57BL/6J and SAMP8 mice administered saline without PG-LPS comprised the control group. The mRNA expression levels of neprilysin and interleukin (IL)-10 were evaluated using the quantitative reverse transcriptase-polymerase chain reaction. The protein levels of neprilysin were assessed using western blotting. Sections of the brain tissues were immunohistochemically stained. RESULTS The serum IL-10 concentration significantly increased in both mouse strains after stimulation with PG-LPS. Neprilysin expression at both mRNA and protein levels was significantly lower in the SAMP8 PG-LPS group than those in the SAMP8 control group; however, they did not differ in PG-LPS-treated or non-treated C57BL/6J mice. Additionally, the immunofluorescence intensity of neprilysin in the CA3 region of the hippocampus in PG-LPS-treated SAMP8 mice was significantly lower than that in control SAMP8 mice. CONCLUSION Porphyromonas gingivalis may reduce the expression of neprilysin in elderly individuals and thus increase amyloid-β deposition.
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Affiliation(s)
- TETSURO MORIKAWA
- Division of Oral Medicine and Pathology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - OSAMU UEHARA
- Division of Disease Control and Molecular Epidemiology, Department of Oral Growth and Development, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - DURGA PAUDEL
- Advanced Research Promotion Center, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - KOKI YOSHIDA
- Division of Oral Medicine and Pathology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - FUMIYA HARADA
- Division of Oral and Maxillofacial Surgery, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - DAICHI HIRAKI
- Division of Reconstructive Surgery for Oral and Maxillofacial Region, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - JUN SATO
- Division of Oral Medicine and Pathology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - HIROFUMI MATSUOKA
- Division of Disease Control and Molecular Epidemiology, Department of Oral Growth and Development, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - YASUHIRO KURAMITSU
- Advanced Research Promotion Center, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - MAKOTO MICHIKAWA
- Department of Biochemistry, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan
| | - YOSHIHIRO ABIKO
- Division of Oral Medicine and Pathology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
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章 可, 孙 妍, 潘 乙. [Developments in Research on the Relationship Between Porphyromonas gingivalis and Non-Oral Diseases]. SICHUAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF SICHUAN UNIVERSITY. MEDICAL SCIENCE EDITION 2023; 54:20-26. [PMID: 36647638 PMCID: PMC10409047 DOI: 10.12182/20230160509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Indexed: 01/18/2023]
Abstract
Porphyromonas gingivalis ( P. gingivalis) is a common periodontal pathogen. Recently, there has been increasing evidence suggesting that P. gingivalis is not only a common pathogen in the oral cavity, but is also closely associated with non-oral diseases, including inflammatory bowel disease, cancer, cardiovascular diseases, Alzheimer's disease, rheumatoid arthritis, diabetes mellitus, premature birth and non-alcoholic hepatitis, etc. Herein, we reviewed the developments in recent years in research on the relationship between P. gingivalis, a periodontal pathogen, and non-oral diseases, which will help determine whether P. gingivalis could be used as an auxiliary diagnostic biomarker or a potential therapeutic target for these non-oral diseases, thus contributing to the development of treatment strategies for the relevant diseases.
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Affiliation(s)
- 可可 章
- 温州医科大学口腔医学院·附属口腔医院 (温州 325000)School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
| | - 妍 孙
- 温州医科大学口腔医学院·附属口腔医院 (温州 325000)School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
| | - 乙怀 潘
- 温州医科大学口腔医学院·附属口腔医院 (温州 325000)School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325000, China
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Porphyromonas gingivalis-Derived Lipopolysaccharide Promotes Glioma Cell Proliferation and Migration via Activating Akt Signaling Pathways. Cells 2022; 11:cells11244088. [PMID: 36552854 PMCID: PMC9777333 DOI: 10.3390/cells11244088] [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: 10/10/2022] [Revised: 12/11/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
Periodontitis is significantly associated with the risk of cancers in the lung and the digestive system. Emerging evidence shows a plausible link between periodontitis and several types of brain diseases. However, the association between periodontal infection and glioma remains unclear. In the cultured GL261 glioma cells, P. gingivalis lipopolysaccharide (LPS) significantly promoted cell proliferation at concentrations ranging from 10 to 1000 ng/mL. It promoted cell migration at a higher concentration (100 and 1000 ng/mL). Additionally, exposure to 100 ng/mL P. gingivalis LPS induced a significant increase in the expression of TNF-α, TGF-β, MMP2, and MMP9, as well as the phosphorylation level of Akt at Ser473. These changes induced by P. gingivalis LPS were significantly antagonized by the Akt inhibitor. Furthermore, a total of 48 patients with brain tumors were enrolled to investigate their periodontal status before receiving tumor management. Poor periodontal status [probing depth (PD) ≥ 6 mm and attachment loss (AL) >5 mm] was found in 42.9% (9/21) of patients with glioma, which was significantly higher than that in patients with benign tumors and the relevant data in the 4th National Oral Health Survey in China. The glioma patients with both AL > 5 mm and PD ≥ 6 mm had a higher ki-67 labeling index than those with AL ≤ 5 mm or PD < 6 mm. These findings support the association between periodontal infection and glioma progression.
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Bhatia R, Sharma S, Bhadada SK, Bishnoi M, Kondepudi KK. Lactic Acid Bacterial Supplementation Ameliorated the Lipopolysaccharide-Induced Gut Inflammation and Dysbiosis in Mice. Front Microbiol 2022; 13:930928. [PMID: 35770157 PMCID: PMC9235405 DOI: 10.3389/fmicb.2022.930928] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 05/16/2022] [Indexed: 12/31/2022] Open
Abstract
Lipopolysaccharide (LPS), a gut-transmitted endotoxin from Gram-negative bacteria, causes inflammatory diseases leading to the loss of gut barrier integrity and has been identified as a major pathogenic stimulator in many dysfunctions. Hence, supplementation with probiotics is believed to be one of the most effective strategies for treating many inflammatory gut disorders. Although probiotics are known to have a variety of therapeutic characteristics and to play a beneficial role in host defense responses, the molecular mechanisms by which they achieve these beneficial effects are unknown due to species- and strain-specific behaviors. Therefore, in this study, the protective role of five indigenous lactic acid bacterial strains in ameliorating LPS-induced gut barrier impairment in the C57BL/6 mice model was elucidated. Lacticaseibacillus rhamnosus LAB3, Levilactobacillus brevis LAB20, and Lactiplantibacillus plantarum LAB31 were isolated from infant feces; Pediococcus acidilactici LAB8 from fermented food (Bekang); and Lactiplantibacillus plantarum LAB39 from beetroot. Intraperitoneal injection of LPS (10 mg/kg of body weight) increased the levels of lipocalin and serum markers TNF-α, IL-6, and IL-1β, and the overall disease activity index in the treated group. Furthermore, gene expression of NF-kB, IL-12, and Cox-2; mucin-producing genes Muc-2 and Muc-4; and intestinal alkaline phosphatase (IAP) was deleteriously altered in the ileum of LPS-treated mice. Furthermore, LPS also induced dysbiosis in gut microbiota where higher abundances of Klebsiella, Enterobacter, and Salmonella and decreased abundances of Lactobacillus, Bifidobacteria, Roseburia, and Akkermansia were observed. Western blotting results also suggested that LPS treatment causes the loss of gut barrier integrity relative to the pre-supplementation with LAB strains, which enhanced the expression of tight junction proteins and ameliorated the LPS-induced changes and inflammation. Taken together, the study suggested that LAB3 and LAB39 were more potent in ameliorating LPS-induced gut inflammation and dysbiosis.
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Affiliation(s)
- Ruchika Bhatia
- Healthy Gut Research Group, Centre for Excellence in Functional Foods, Food and Nutrition Biotechnology Division, National Agri-Food Biotechnology Institute, Sahibzada Ajit Singh Nagar, India
- Department of Biotechnology, Panjab University, Chandigarh, India
| | - Shikha Sharma
- Healthy Gut Research Group, Centre for Excellence in Functional Foods, Food and Nutrition Biotechnology Division, National Agri-Food Biotechnology Institute, Sahibzada Ajit Singh Nagar, India
- Department of Biotechnology, Panjab University, Chandigarh, India
| | - Sanjay Kumar Bhadada
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Mahendra Bishnoi
- Healthy Gut Research Group, Centre for Excellence in Functional Foods, Food and Nutrition Biotechnology Division, National Agri-Food Biotechnology Institute, Sahibzada Ajit Singh Nagar, India
- Department of Biotechnology, Panjab University, Chandigarh, India
- Regional Centre of Biotechnology, Faridabad, India
| | - Kanthi Kiran Kondepudi
- Healthy Gut Research Group, Centre for Excellence in Functional Foods, Food and Nutrition Biotechnology Division, National Agri-Food Biotechnology Institute, Sahibzada Ajit Singh Nagar, India
- Department of Biotechnology, Panjab University, Chandigarh, India
- Regional Centre of Biotechnology, Faridabad, India
- *Correspondence: Kanthi Kiran Kondepudi, ; orcid.org/0000-0001-8036-7555
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Kabwe M, Dashper S, Tucci J. The Microbiome in Pancreatic Cancer-Implications for Diagnosis and Precision Bacteriophage Therapy for This Low Survival Disease. Front Cell Infect Microbiol 2022; 12:871293. [PMID: 35663462 PMCID: PMC9160434 DOI: 10.3389/fcimb.2022.871293] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 04/19/2022] [Indexed: 11/13/2022] Open
Abstract
While the mortality rates for many cancers have decreased due to improved detection and treatments, that of pancreatic cancer remains stubbornly high. The microbiome is an important factor in the progression of many cancers. Greater understanding of the microbiome in pancreatic cancer patients, as well as its manipulation, may assist in diagnosis and treatment of this disease. In this report we reviewed studies that compared microbiome changes in pancreatic cancer patients and non-cancer patients. We then identified which bacterial genera were most increased in relative abundance across the oral, pancreatic, duodenal, and faecal tissue microbiomes. In light of these findings, we discuss the potential for utilising these bacteria as diagnostic biomarkers, as well as their potential control using precision targeting with bacteriophages, in instances where a causal oncogenic link is made.
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Affiliation(s)
- Mwila Kabwe
- Department of Rural Clinical Sciences, La Trobe Rural Health School, La Trobe University, Bendigo, VIC, Australia
- La Trobe Institute for Molecular Science, La Trobe University, Bendigo, VIC, Australia
| | - Stuart Dashper
- Melbourne Dental School, University of Melbourne, Melbourne, VIC, Australia
| | - Joseph Tucci
- Department of Rural Clinical Sciences, La Trobe Rural Health School, La Trobe University, Bendigo, VIC, Australia
- La Trobe Institute for Molecular Science, La Trobe University, Bendigo, VIC, Australia
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Sugiyama N, Uehara O, Morikawa T, Paudel D, Ebata K, Hiraki D, Harada F, Yoshida K, Kato S, Nagasawa T, Miura H, Abiko Y, Furuichi Y. Gut flora alterations due to lipopolysaccharide derived from Porphyromonas gingivalis. Odontology 2022; 110:673-681. [PMID: 35333990 DOI: 10.1007/s10266-022-00703-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 03/08/2022] [Indexed: 11/28/2022]
Abstract
Gut dysbiosis induces 'leaky gut,' a condition associated with diabetes, NASH, and various auto-immune diseases. Porphyromonas gingivalis is a periodontopathic bacterium which causes periodontal tissue breakdown, and often enters the systemic blood flow. Oral administration of P. gingivalis induced gut dysbiosis in mice model, but no systemic administration of P. gingivalis has been reported thus far. In the present study, we investigated the effect of P. gingivalis-derived lipopolysaccharide (Pg-LPS) on the intestinal flora of our established mouse model. Eight-week-old C57BL/6J mice were intraperitoneally administered Pg-LPS. Three months later, DNA was extracted from stool, and RNA from the small and large intestines. After euthanizing the mice, pathological sections of the intestinal tract were prepared and stained with hematoxylin and eosin (H&E). Tumor necrosis factor alpha (TNF-α), interleukin (IL)-1β, and IL-6 expression levels were evaluated using quantitative PCR. 16S rRNA gene PCR amplicon analysis data were acquired using NGS. Microbial diversity and composition were analyzed using Quantitative Insights into Microbial Ecology 2. Furthermore, alterations in microbial function were performed by PICRUSt2. No significant inflammatory changes were observed in the H&E. No significant differences in the mRNA levels of IL-1β, IL-6, and TNF-α were observed between the groups. Pg-LPS administration decreased the abundance of Allobacterium in the gut. A predictive metagenomic analysis by PICRUSt2 and STAMP showed that 47 pathways increased and 17 pathways decreased after Pg-LPS administration. Systemic application of periodontal pathogens may cause changes in the intestinal flora which may affect the physiological functions of the intestinal tract.
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Affiliation(s)
- Nodoka Sugiyama
- Division of Periodontology and Endodontology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Osamu Uehara
- Division of Disease Control and Molecular Epidemiology, Department of Oral Growth and Development, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Tetsuro Morikawa
- Division of Oral Medicine and Pathology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Durga Paudel
- Division of Oral Medicine and Pathology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Kazuma Ebata
- Division of Periodontology and Endodontology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Daichi Hiraki
- Division of Reconstructive Surgery for Oral and Maxillofacial Region, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Fumiya Harada
- Division of Oral and Maxillofacial Surgery, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Koki Yoshida
- Division of Oral Medicine and Pathology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Satsuki Kato
- Division of Periodontology and Endodontology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Toshiyuki Nagasawa
- Division of Advanced Clinical Education, Department of Integrated Dental Education, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Hiroko Miura
- Division of Disease Control and Molecular Epidemiology, Department of Oral Growth and Development, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Yoshihiro Abiko
- Division of Oral Medicine and Pathology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan.
| | - Yasushi Furuichi
- Division of Periodontology and Endodontology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido, 1757 Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
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Stasiewicz M, Kwaśniewski M, Karpiński TM. Microbial Associations with Pancreatic Cancer: A New Frontier in Biomarkers. Cancers (Basel) 2021; 13:cancers13153784. [PMID: 34359685 PMCID: PMC8345173 DOI: 10.3390/cancers13153784] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/12/2021] [Accepted: 07/23/2021] [Indexed: 01/02/2023] Open
Abstract
Simple Summary Pancreatic cancer (PC) continues to be characterized by high morbidity and mortality, owing to the fact, among others, that it is often diagnosed at late stages. Thus far, the search for reliable biomarkers has failed. A number of recent studies have found that there are differences in the microbiota between patients with PC and their healthy counterparts. These differences extend to specific anatomical locations such as the oral cavity, the gastrointestinal tract, and the pancreas itself. The purpose of this review is to outline some of the main differences in the bacterial and fungal populations between patients with PC and their healthy counterparts that have recently come to light. Additionally, the present review aims to highlight the mechanisms underlying the aforementioned microbial associations with PC. Abstract Pancreatic cancer (PC) remains a global health concern with high mortality and is expected to increase as a proportion of overall cancer cases in the coming years. Most patients are diagnosed at a late stage of disease progression, which contributes to the extremely low 5-year survival rates. Presently, screening for PC remains costly and time consuming, precluding the use of widespread testing. Biomarkers have been explored as an option by which to ameliorate this situation. The authors conducted a search of available literature on PubMed to present the current state of understanding as it pertains to the use of microbial biomarkers and their associations with PC. Carriage of certain bacteria in the oral cavity (e.g., Porphyromonas gingivalis, Aggregatibacter actinomycetemcomitans, Streptococcus sp.), gut (e.g., Helicobacter pylori, Synergistetes, Proteobacteria), and pancreas (e.g., Fusobacterium sp., Enterobacteriaceae, Pseudomonadaceae) has been associated with an increased risk of developing PC. Additionally, the fungal genus Malassezia has likewise been associated with PC development. This review further outlines potential oncogenic mechanisms involved in the microbial-associated development of PC.
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Affiliation(s)
- Mark Stasiewicz
- Research Group of Medical Microbiology, Chair and Department of Medical Microbiology, Poznań University of Medical Sciences, Wieniawskiego 3, 61-712 Poznań, Poland;
| | - Marek Kwaśniewski
- Chair and Department of Medical Microbiology, Poznań University of Medical Sciences, Wieniawskiego 3, 61-712 Poznań, Poland;
| | - Tomasz M. Karpiński
- Chair and Department of Medical Microbiology, Poznań University of Medical Sciences, Wieniawskiego 3, 61-712 Poznań, Poland;
- Correspondence: ; Tel.: +48-61-854-61-38
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