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Molecular Mechanisms of Anti-Inflammatory Activity Mediated by Flavonoids

[ Vol. 15 , Issue. 16 ]

Author(s):

Ana Gomes, Eduarda Fernandes, Jose L.F.C. Lima, Lurdes Mira and M. Luisa Corvo   Pages 1586 - 1605 ( 20 )

Abstract:


Flavonoids (or bioflavonoids) are naturally occurring compounds, ubiquitous in all vascular plants. These compounds have been considered to possess anti-inflammatory properties, both in vitro and in vivo. Although not fully understood, these health-promoting effects have been mainly related to their interactions with several key enzymes, signaling cascades involving cytokines and regulatory transcription factors, and antioxidant systems. The biological effects of flavonoids will depend not only on these pharmacodynamic features but also on their pharmacokinetics, which are dependent on their chemical structure, administered dose schedule and route of administration. Thus, the therapeutic outcome mediated by flavonoids will result from a complex and interactive network of effects, whose prediction require a deep and integrated knowledge of those pharmacokinetic and pharmacodynamic factors. The aim of the present review is thus to provide an integrated update on the bioavailability and biotransformation of flavonoids and the mechanisms of activity at the molecular, cellular, organ and organism levels that may contribute to their anti-inflammatory effects.

Keywords:

Flavonoids, inflammation, cell signaling, antioxidant, ROS, RNS, arachidonic acid metabolism, cytokines, transcription factors

Affiliation:

REQUIMTE, Departamento de Quimica-Fisica, Faculdade de Farmacia, Universidade do Porto, Rua Anibal Cunha, 164, 4099-030 Porto, Portugal.



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