Journal of Alzheimer's disease : JAD · 2022
Relationship Between the Gut Microbiota and Alzheimer's Disease: A Systematic Review.
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González Cordero Elisa Marina, Cuevas-Budhart Miguel Angel, Pérez Morán Diana, Trejo Villeda Miguel Angel, Gomez-Del-Pulgar Gª-Madrid Mercedes
Аннотация
BACKGROUND: In recent years, scientific research on the gut microbiota and their relationship with some diseases, including neurological ones, has notably increased. As a result of these investigations, the so-called gut-brain axis arises. Despite its influence on the evolution and development of cognitive impairment, the gut-brain axis is little defined and demonstrated.
OBJECTIVE: To provide the best scientific evidence available on the relationship between the gut microbiota and Alzheimer's disease.
METHOD: Systematic and narrative review of the information generated in the last 5 years in national and international databases, in English and Spanish.
RESULTS: Eight observational studies were selected, carried out in humans and, therefore, suitable for inclusion in this review.
CONCLUSION: The results of these studies support the hypothesis that there is a relationship between the gut microbiota and cognitive disorders through the gut-brain axis. However, today, there is a substantial lack of human studies, especially clinical trials, which makes it difficult to formulate clinical recommendations on this topic.
OBJECTIVE: To provide the best scientific evidence available on the relationship between the gut microbiota and Alzheimer's disease.
METHOD: Systematic and narrative review of the information generated in the last 5 years in national and international databases, in English and Spanish.
RESULTS: Eight observational studies were selected, carried out in humans and, therefore, suitable for inclusion in this review.
CONCLUSION: The results of these studies support the hypothesis that there is a relationship between the gut microbiota and cognitive disorders through the gut-brain axis. However, today, there is a substantial lack of human studies, especially clinical trials, which makes it difficult to formulate clinical recommendations on this topic.