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Wei BR, Zhao YJ, Cheng YF, Huang C, Zhang F. Helicobacter pylori infection and Parkinson's Disease: etiology, pathogenesis and levodopa bioavailability. Immun Ageing 2024; 21:1. [PMID: 38166953 PMCID: PMC10759355 DOI: 10.1186/s12979-023-00404-1] [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: 09/16/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024]
Abstract
Parkinson's disease (PD), a neurodegenerative disorder with an unknown etiology, is primarily characterized by the degeneration of dopamine (DA) neurons. The prevalence of PD has experienced a significant surge in recent years. The unidentified etiology poses limitations to the development of effective therapeutic interventions for this condition. Helicobacter pylori (H. pylori) infection has affected approximately half of the global population. Mounting evidences suggest that H. pylori infection plays an important role in PD through various mechanisms. The autotoxin produced by H. pylori induces pro-inflammatory cytokines release, thereby facilitating the occurrence of central inflammation that leads to neuronal damage. Simultaneously, H. pylori disrupts the equilibrium of gastrointestinal microbiota with an overgrowth of bacteria in the small intestinal known as small intestinal bacterial overgrowth (SIBO). This dysbiosis of the gut flora influences the central nervous system (CNS) through microbiome-gut-brain axis. Moreover, SIBO hampers levodopa absorption and affects its therapeutic efficacy in the treatment of PD. Also, H. pylori promotes the production of defensins to regulate the permeability of the blood-brain barrier, facilitating the entry of harmful factors into the CNS. In addition, H. pylori has been found to induce gastroparesis, resulting in a prolonged transit time for levodopa to reach the small intestine. H. pylori may exploit levodopa to facilitate its own growth and proliferation, or it can inflict damage to the gastrointestinal mucosa, leading to gastrointestinal ulcers and impeding levodopa absorption. Here, this review focused on the role of H. pylori infection in PD from etiology, pathogenesis to levodopa bioavailability.
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Affiliation(s)
- Bang-Rong Wei
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education and Key Laboratory of Basic Pharmacology of Guizhou Province and Laboratory Animal Centre, Zunyi Medical University, Zunyi, Guizhou, China
| | - Yu-Jia Zhao
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education and Key Laboratory of Basic Pharmacology of Guizhou Province and Laboratory Animal Centre, Zunyi Medical University, Zunyi, Guizhou, China
| | - Yu-Feng Cheng
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education and Key Laboratory of Basic Pharmacology of Guizhou Province and Laboratory Animal Centre, Zunyi Medical University, Zunyi, Guizhou, China
| | - Chun Huang
- The Fifth People's Hospital of Chongqing, Chongqing, China
| | - Feng Zhang
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education and Key Laboratory of Basic Pharmacology of Guizhou Province and Laboratory Animal Centre, Zunyi Medical University, Zunyi, Guizhou, China.
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Shannon KM. Infections and Changes in Commensal Bacteria and the Pathogenesis of Parkinson’s Disease. JOURNAL OF PARKINSON'S DISEASE 2022; 12:S45-S51. [PMID: 35723116 PMCID: PMC9535579 DOI: 10.3233/jpd-223271] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The cause of Parkinson’s disease (PD) is unknown, but environmental factors are purported to influence risk. Interest in PD as a sequel of infection dates back to reports of parkinsonism arising from encephalitis lethargica. The objective of this paper is to review the literature as it relates to infections and changes in microbiome and the genesis of PD. There is evidence to support prior infection with Helicobacter pylori, hepatitis C virus, Malassezia, and Strep pneumonia in association with PD. A large number of studies support an association between changes in commensal bacteria, especially gut bacteria, and PD. Extant literature supports a role for some infections and changes in commensal bacteria in the genesis of PD. Studies support an inflammatory mechanism for this association, but additional research is required for translation of these findings to therapeutic options.
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Affiliation(s)
- Kathleen M. Shannon
- Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
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Sheng S, Zhao S, Zhang F. Insights into the roles of bacterial infection and antibiotics in Parkinson’s disease. Front Cell Infect Microbiol 2022; 12:939085. [PMID: 35967873 PMCID: PMC9366083 DOI: 10.3389/fcimb.2022.939085] [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: 05/08/2022] [Accepted: 07/11/2022] [Indexed: 11/25/2022] Open
Abstract
Parkinson’s disease (PD) is one of the most common neurodegenerative disorders, which is accompanied with the classical motor symptoms and a range of non-motor symptoms. Bacterial infection affects the neuroinflammation associated with the pathology of PD and various antibiotics have also been confirmed to play an important role not only in bacterial infection, but also in the PD progression. This mini-review summarized the role of common bacterial infection in PD and introduced several antibiotics that had anti-PD effects.
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Affiliation(s)
- Shuo Sheng
- Key Laboratory of Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi, China
- Joint International Research Laboratory of Ethnomedicine of the Ministry of Education, Zunyi Medical University, Zunyi, China
- Key Laboratory of Basic Pharmacology of Guizhou Province, Zunyi Medical University, Zunyi, China
| | - Shuo Zhao
- Electron Microscopy Room of School of Basic Medicine, Zunyi Medical University, Zunyi, China
| | - Feng Zhang
- Key Laboratory of Basic Pharmacology of the Ministry of Education, Zunyi Medical University, Zunyi, China
- Joint International Research Laboratory of Ethnomedicine of the Ministry of Education, Zunyi Medical University, Zunyi, China
- Key Laboratory of Basic Pharmacology of Guizhou Province, Zunyi Medical University, Zunyi, China
- Laboratory Animal Center, Zunyi Medical University, Zunyi, China
- *Correspondence: Feng Zhang,
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Wang X, Jiang D, Li T, Zhang X, Wang R, Gao S, Yang F, Wang Y, Tian Q, Xie C, Liang J. Association between microbiological risk factors and neurodegenerative disorders: An umbrella review of systematic reviews and meta-analyses. Front Psychiatry 2022; 13:991085. [PMID: 36213914 PMCID: PMC9537612 DOI: 10.3389/fpsyt.2022.991085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 08/30/2022] [Indexed: 02/05/2023] Open
Abstract
UNLABELLED The role of microbiological factors in the development of neurodegenerative diseases is attracting increasing attention, while the relationship remains debated. This study aimed to comprehensively summarize and evaluate the associations between microbiological factors and the risk of neurodegenerative disorders with an umbrella review. PubMed, Embase, and the Cochrane library were used to search for papers from the earliest to March 2021 for identifying meta-analyses and systematic reviews that examined associations between microbiological factors and neurodegenerative diseases. AMSTAR2 tool was employed to evaluate the methodical quality of systematic reviews and meta-analyses. The effect size and 95% confidence interval (95% CI) were recalculated with a random effect model after the overlap was recognized by the corrected covered area (CCA) method. The heterogeneity of each meta-analysis was measured by the I 2 statistic and 95% prediction interval (95% PI). Additionally, publication bias and the quality of evidence were evaluated for all 37 unique associations. Only 4 associations had above the medium level of evidence, and the rest associations presented a low level of evidence. Among them, helicobacter pylori (HP), infection, and bacteria are associated with Parkinson's disease (PD), and the other one verifies that periodontal disease is a risk factor for all types of dementia. Following the evidence of our study, eradication of HP and aggressive treatment of periodontitis are beneficial for the prevention of PD and dementia, respectively. This umbrella review provides comprehensive quality-grade evidence on the relationship between microbial factors and neurodegenerative disease. Regardless of much evidence linking microbial factors to neurodegenerative diseases, these associations are not necessarily causal, and the evidence level is generally low. Thus, more effective studies are required. SYSTEMATIC REVIEW REGISTRATION https://www.crd.york.ac.uk/PROSPERO/#searchadvanced, PROSPERO, identifier: CRD42021239512.
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Affiliation(s)
- Xin Wang
- Department of Neurology, Beijing Huairou Hospital of Traditional Chinese Medicine, Beijing, China
| | - Deming Jiang
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Tianxiong Li
- Surgery Centre of Diabetes Mellitus, Peking University Ninth School of Clinical Medicine (Beijing Shijitan Hospital, Capital Medical University), Beijing, China
| | - Xiao Zhang
- Department of Neurology, Beijing Huairou Hospital of Traditional Chinese Medicine, Beijing, China
| | - Ran Wang
- Department of Neurology, Beijing Huairou Hospital of Traditional Chinese Medicine, Beijing, China
| | - Song Gao
- Department of Neurology, Beijing Huairou Hospital of Traditional Chinese Medicine, Beijing, China
| | - Fengyi Yang
- Department of Neurology, Beijing Huairou Hospital of Traditional Chinese Medicine, Beijing, China
| | - Yan Wang
- Department of Neurology, Beijing Huairou Hospital of Traditional Chinese Medicine, Beijing, China
| | - Qi Tian
- Department of Neurology, Beijing Huairou Hospital of Traditional Chinese Medicine, Beijing, China
| | - Chunrong Xie
- Department of Neurology, Beijing Huairou Hospital of Traditional Chinese Medicine, Beijing, China
- Chunrong Xie
| | - Jinghong Liang
- Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou, China
- *Correspondence: Jinghong Liang
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