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The Role of Diet and Gut Microbiota in Alzheimer's Disease
Journal article   Open access   Peer reviewed

The Role of Diet and Gut Microbiota in Alzheimer's Disease

D M Sithara Dissanayaka, Vijay Jayasena, Stephanie R Rainey-Smith, Ralph N Martins and W M A D Binosha Fernando
Nutrients, Vol.16(3), 412
2024
PMCID: PMC10857293
PMID: 38337696
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Published (Version of Record)CC BY V4.0 Open Access

Abstract

Alzheimer’s disease (AD) gut–brain axis gut microbiota dietary components
Alzheimer’s disease (AD), the most prevalent form of dementia, is characterized by the accumulation of amyloid-beta (Aβ) plaques and hyperphosphorylated tau tangles. Currently, Alzheimer’s disease (AD) impacts 50 million individuals, with projections anticipating an increase to 152 million by the year 2050. Despite the increasing global prevalence of AD, its underlying pathology remains poorly understood, posing challenges for early diagnosis and treatment. Recent research suggests a link between gut dysbiosis and the aggregation of Aβ, the development of tau proteins, and the occurrence of neuroinflammation and oxidative stress are associated with AD. However, investigations into the gut–brain axis (GBA) in the context of AD progression and pathology have yielded inconsistent findings. This review aims to enhance our understanding of microbial diversity at the species level and the role of these species in AD pathology. Additionally, this review addresses the influence of confounding elements, including diet, probiotics, and prebiotics, on AD throughout different stages (preclinical, mild cognitive impairment (MCI), and AD) of its progression.

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Highly Cited Paper 
Collaboration types
Domestic collaboration
Citation topics
1 Clinical & Life Sciences
1.120 Inflammatory Bowel Diseases & Infections
1.120.384 Gut Microbiota
Web Of Science research areas
Nutrition & Dietetics
ESI research areas
Agricultural Sciences
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