期刊
BIOCHEMICAL PHARMACOLOGY
卷 205, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bcp.2022.115257
关键词
Microbiota; Anthocyanins; EGCG; Quercetin; Isoflavones; Nutraceutical supplements
资金
- Universita degli Studi di Milano-Competitive SEED Call
- Fondazione Umberto Veronesi
- Department of Excellence grant (2018-2022) by the Italian Ministry of University and Research (MUR)
- [2021]
- [2022]
- [2018-2022]
Flavonoids have shown therapeutic potential for neurodegenerative diseases, but their low bioavailability limits clinical use. Recent research indicates that the metabolism of flavonoids in the gut is closely related to the regulation of gut microbiota, impacting the composition and metabolism capabilities of the microbiota.
In recent years, experimental evidence suggested a possible role of the gut microbiota in the onset and devel-opment of several neurodegenerative disorders, such as AD and PD, MS and pain. Flavonoids, including an-thocyanins, EGCG, the flavonol quercetin, and isoflavones, are plant polyphenolic secondary metabolites that have shown therapeutic potential for the treatment of various pathological conditions, including neurodegen-erative diseases. This is due to their antioxidant and anti-inflammatory properties, despite their low bioavail-ability which often limits their use in clinical practice. In more recent years it has been demonstrated that flavonoids are metabolized by specific bacterial strains in the gut to produce their active metabolites. On the other way round, both naturally-occurring flavonoids and their metabolites promote or limit the proliferation of specific bacterial strains, thus profoundly affecting the composition of the gut microbiota which in turn modifies its ability to further metabolize flavonoids. Thus, understanding the best way of acting on this virtuous circle is of utmost importance to develop innovative approaches to many brain disorders. In this review, we summarize some of the most recent advances in preclinical and clinical research on the neuroinflammatory andneuroprotective effects of flavonoids on AD, PD, MS and pain, with a specific focus on their mechanisms of action including possible interactions with the gut microbiota, to emphasize the potential exploitation of dietary fla-vonoids as adjuvants in the treatment of these pathological conditions.
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