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Exploring the Effect of Gut Microbiome on Alzheimer's Disease Publisher



Pourahmad R1, 2, 9 ; Saleki K3, 4, 5, 9 ; Zare Gholinejad M1, 9 ; Aram C6 ; Soltani Farsani A1 ; Banazadeh M7 ; Tafakhori A8
Authors
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Authors Affiliations
  1. 1. School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
  3. 3. Student Research Committee, Babol University of Medical Sciences, Babol, Iran
  4. 4. USERN Office, Babol University of Medical Sciences, Babol, Iran
  5. 5. Department of E-Learning in Medical Sciences, Faculty of Medical Education and Learning Technologies, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  6. 6. Department of Cell & Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
  7. 7. Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
  8. 8. Department of Neurology, School of Medicine, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
  9. 9. Co-first authorship and contributed equally to this work.

Source: Biochemistry and Biophysics Reports Published:2024


Abstract

Alzheimer's disease (AD) is the most widespread and irreversible form of dementia and accounts for more than half of dementia cases. The most significant risk factors for AD are aging-related exacerbations, degradation of anatomical pathways, environmental variables and mitochondrial dysfunction. Finding a decisive therapeutic solution is a major current issue. Nuanced interactions between major neuropathological mechanisms in AD in patients and microbiome have recently gained rising attention. The presence of bacterial amyloid in the gut triggers the immune system, resulting in increased immune feedbacks and endogenous neuronal amyloid within the CNS. Also, early clinical research revealed that changing the microbiome with beneficial bacteria or probiotics could affect brain function in AD. New approaches focus on the possible neuroprotective action of disease-modifying medications in AD. In the present review, we discuss the impact of the gut microbiota on the brain and review emerging research that suggests a disruption in the microbiota-brain axis can affect AD by mediating neuroinflammation. Such novel methods could help the development of novel therapeutics for AD. © 2024 The Authors
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