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Journal Article Review Epublish 9 citations

PubMed: 38248439 DOI: 10.3390/biology13010008

A Review on the Protective Effects of Probiotics against Alzheimer's Disease.

Biology (Basel) 13(1)

Authors: Vibhuti Mishra, Dhananjay Yadav, Kavita Singh Solanki, Bhupendra Koul, Minseok Song

Affiliations

  • School of Studies in Biochemistry, Jiwaji University, Gwalior 474003, India.
  • Department of Life Science, Yeungnam University, Gyeongsan 38541, Republic of Korea.
  • Department of Neuroscience and Pharmacology, Iowa Neuroscience Institute, University of Iowa, Iowa City, IA 52242, USA.
  • School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144411, India.

Abstract

This review summarizes the protective effects of probiotics against Alzheimer's disease (AD), one of the most common neurodegenerative disorders affecting older adults. This disease is characterized by the deposition of tau and amyloid β peptide (Aβ) in different parts of the brain. Symptoms observed in patients with AD include struggles with writing, speech, memory, and knowledge. The gut microbiota reportedly plays an important role in brain functioning due to its bidirectional communication with the gut via the gut-brain axis. The emotional and cognitive centers in the brain are linked to the functions of the peripheral intestinal system via this gut-brain axis. Dysbiosis has been linked to neurodegenerative disorders, indicating the significance of gut homeostasis for proper brain function. Probiotics play an important role in protecting against the symptoms of AD as they restore gut-brain homeostasis to a great extent. This review summarizes the characteristics, status of gut-brain axis, and significance of gut microbiota in AD. Review and research articles related to the role of probiotics in the treatment of AD were searched in the PubMed database. Recent studies conducted using animal models were given preference. Recent clinical trials were searched for separately. Several studies conducted on animal and human models clearly explain the benefits of probiotics in improving cognition and memory in experimental subjects. Based on these studies, novel therapeutic approaches can be designed for the treatment of patients with AD.

MeSH

Alzheimer Disease, Homeostasis, Dysbiosis, Microbiota, Brain, Memory, Therapeutics, Probiotics, Neurodegenerative Diseases, Neurofibrillary Tangles

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