4.7 Review

Urolithins: A Prospective Alternative against Brain Aging

Journal

NUTRIENTS
Volume 15, Issue 18, Pages -

Publisher

MDPI
DOI: 10.3390/nu15183884

Keywords

urolithin; brain; aging; neurodegenerative diseases; microbial-derived; metabolites

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Urolithins (Uros), gut microbial-derived metabolites, have shown specific advantages in preventing brain aging and age-related brain dysfunctions. However, their usability in diagnosis, prevention, and treatment of neurodegenerative diseases remains unclear.
The impact of host-microbiome interactions on cognitive health and disease has received increasing attention. Microbial-derived metabolites produced in the gut are one of crucial mechanisms of the gut-brain axis interaction, showing attractive perspectives. Urolithins (Uros) are gut microbial-derived metabolites of ellagitannins and ellagic acid, whose biotransformation varies considerably between individuals and decreases greatly with age. Recently, accumulating evidence has suggested that Uros may have specific advantages in preventing brain aging including favorable blood-brain barrier permeability, selective brain distribution, and increasingly supporting data from preclinical and clinical studies. However, the usability of Uros in diagnosis, prevention, and treatment of neurodegenerative diseases remains elusive. In this review, we aim to present the comprehensive achievements of Uros in age-related brain dysfunctions and neurodegenerative diseases and discuss their prospects and knowledge gaps as functional food, drugs, or biomarkers against brain aging.

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