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The Role of the Western Diet and Oral Microbiota in Parkinson's Disease. Nutrients 2022; 14:nu14020355. [PMID: 35057536 PMCID: PMC8778357 DOI: 10.3390/nu14020355] [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] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 02/06/2023] Open
Abstract
The type of diet not only affects the composition of the oral microflora but is also one of the more critical factors associated with an increased risk of Parkinson’s disease, PD. This study compared diet preferences and oral microbiota profiles in patients with PD vs. healthy controls. This study compared the oral microbiota composition of 59 patients with PD and 108 healthy controls (without neurodegeneration) using 16S rRNA gene amplicon sequencing. According to results, oral microbiota in patients with PD is different compared from healthy controls. In particular, decreased abundance of Proteobacteria, Pastescibacteria, and Tenercutes was observed. The oral cavity of patients with PD was characterized by the high relative abundance of bacteria from the genera Prevotella, Streptococcus, and Lactobaccillus. There were also differences in food preferences between patients with PD and healthy controls, which revealed significantly higher intake of margarine, fish, red meat, cereals products, avocado, and olives in the patients with PD relative to healthy controls. Strong positive and negative correlations between specific food products and microbial taxa were identified.
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Aerobic Exercise and Healthy Nutrition as Neuroprotective Agents for Brain Health in Patients with Parkinson's Disease: A Critical Review of the Literature. Antioxidants (Basel) 2020; 9:antiox9050380. [PMID: 32380715 PMCID: PMC7278852 DOI: 10.3390/antiox9050380] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 04/29/2020] [Accepted: 05/01/2020] [Indexed: 12/13/2022] Open
Abstract
Parkinson’s disease (PD) is characterized by motor and nonmotor features that have an influence on patients’ quality of life at different levels. To date, some evidences have arisen on the effectiveness of physical trainings and nutrients intake in ameliorating functional and cognitive outcomes in PD patients. Physical activity is effective in improving both motor and nonmotor features and recent epidemiological investigations have revealed the pivotal role that dietary patterns may play in reducing the risk of PD highlighting the pathogenesis of the neurodegeneration. Specifically, aerobic exercise shows beneficial effects in improving motor functions and executive control in PD patients, as well as proper nutrition may help in improving neuroprotective agents counteracting neurodegeneration and allows patients to better interact with the medication. Our narrative review critically focused on aerobic exercise and nutrition in PD in order to point out the best prescriptions for brain health of affected patients. Implications for a therapeutic plan and rehabilitation for these patients are also discussed.
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Jackson A, Forsyth CB, Shaikh M, Voigt RM, Engen PA, Ramirez V, Keshavarzian A. Diet in Parkinson's Disease: Critical Role for the Microbiome. Front Neurol 2019; 10:1245. [PMID: 31920905 PMCID: PMC6915094 DOI: 10.3389/fneur.2019.01245] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 11/08/2019] [Indexed: 12/15/2022] Open
Abstract
Background: Parkinson's disease (PD) is the most common movement disorder affecting up to 1% of the population above the age of 60 and 4–5% of those above the age of 85. Little progress has been made on efforts to prevent disease development or halt disease progression. Diet has emerged as a potential factor that may prevent the development or slow the progression of PD. In this review, we discuss evidence for a role for the intestinal microbiome in PD and how diet-associated changes in the microbiome may be a viable approach to prevent or modify disease progression. Methods: We reviewed studies demonstrating that dietary components/foods were related to risk for PD. We reviewed evidence for the dysregulated intestinal microbiome in PD patients including abnormal shifts in the intestinal microbiota composition (i.e., dysbiosis) characterized by a loss of short chain fatty acid (SCFA) bacteria and increased lipopolysaccharide (LPS) bacteria. We also examined several candidate mechanisms by which the microbiota can influence PD including the NLRP3 inflammasome, insulin resistance, mitochondrial function, vagal nerve signaling. Results: The PD-associated microbiome is associated with decreased production of SCFA and increased LPS and it is believed that these changes may contribute to the development or exacerbation of PD. Diet robustly impacts the intestinal microbiome and the Western diet is associated with increased risk for PD whereas the Mediterranean diet (including high intake of dietary fiber) decreases PD risk. Mechanistically this may be the consequence of changes in the relative abundance of SCFA-producing or LPS-containing bacteria in the intestinal microbiome with effects on intestinal barrier function, endotoxemia (i.e., systemic LPS), NLRP3 inflammasome activation, insulin resistance, and mitochondrial dysfunction, and the production of factors such as glucagon like peptide 1 (GLP-1) and brain derived neurotrophic factor (BDNF) as well as intestinal gluconeogenesis. Conclusions: This review summarizes a model of microbiota-gut-brain-axis regulation of neuroinflammation in PD including several new mechanisms. We conclude with the need for clinical trials in PD patients to test this model for beneficial effects of Mediterranean based high fiber diets.
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Affiliation(s)
- Aeja Jackson
- Division of Digestive Diseases, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States.,Graduate College of Rush University, Chicago, IL, United States
| | - Christopher B Forsyth
- Division of Digestive Diseases, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States.,Graduate College of Rush University, Chicago, IL, United States
| | - Maliha Shaikh
- Division of Digestive Diseases, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
| | - Robin M Voigt
- Division of Digestive Diseases, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States.,Graduate College of Rush University, Chicago, IL, United States
| | - Phillip A Engen
- Division of Digestive Diseases, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
| | - Vivian Ramirez
- Division of Digestive Diseases, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States.,Graduate College of Rush University, Chicago, IL, United States
| | - Ali Keshavarzian
- Division of Digestive Diseases, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States.,Graduate College of Rush University, Chicago, IL, United States
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Perez-Pardo P, Kliest T, Dodiya HB, Broersen LM, Garssen J, Keshavarzian A, Kraneveld AD. The gut-brain axis in Parkinson's disease: Possibilities for food-based therapies. Eur J Pharmacol 2017; 817:86-95. [DOI: 10.1016/j.ejphar.2017.05.042] [Citation(s) in RCA: 121] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Revised: 03/31/2017] [Accepted: 05/22/2017] [Indexed: 12/18/2022]
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