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Article Publish Status: FREE
Abstract Title:

Caffeic Acid Modulates Processes Associated with Intestinal Inflammation.

Abstract Source:

Nutrients. 2021 Feb 8 ;13(2). Epub 2021 Feb 8. PMID: 33567596

Abstract Author(s):

Danuta Zielińska, Henryk Zieliński, José Moisés Laparra-Llopis, Dorota Szawara-Nowak, Joanna Honke, Juan Antonio Giménez-Bastida

Article Affiliation:

Danuta Zielińska

Abstract:

Caffeic acid is one of the most abundant hydroxycinnamic acids in fruits, vegetables, and beverages. This phenolic compound reaches relevant concentrations in the colon (up to 126µM) where it could come into contact with the intestinal cells and exert its anti-inflammatory effects. The aim of this investigation was to study the capacity of caffeic acid, at plausible concentrations from an in vivo point of view, to modulate mechanisms related to intestinal inflammation. Consequently, we tested the effects of caffeic acid (50-10 µM) on cyclooxygenase (COX)-2 expression and prostaglandin (PG)E, cytokines, and chemokines (IL-8, monocyte chemoattractant protein-1 -MCP-1-, and IL-6) biosynthesis in IL-1β-treated human myofibroblasts of the colon, CCD-18Co. Furthermore, the capacity of caffeic acid to inhibit the angiotensin-converting enzyme (ACE) activity, to hinder advanced glycation end product (AGE) formation, as well as its antioxidant, reducing, and chelating activity were also investigated. Our results showed that (i) caffeic acid targets COX-2 and its product PGEas well as the biosynthesis of IL-8 in the IL-1β-treated cells and (ii) inhibits AGE formation, which could be related to (iii) the high chelating activity exerted. Low anti-ACE, antioxidant, and reducing capacity of caffeic acid was also observed. These effects of caffeic acid expands our knowledge on anti-inflammatory mechanisms against intestinal inflammation.

Study Type : Animal Study

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