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Exploring the therapeutic potential of cinnamoyl derivatives in attenuating inflammation in lipopolysaccharide-induced Caco-2 cells.

Marcella RealeErica CostantiniLisa AielliAnnalisa Di RienzoGiuseppe Di BiaseAntonio Di StefanoIvana Cacciatore
Published in: Future medicinal chemistry (2024)
Aim: In gastrointestinal (GI) diseases, lipopolysaccharide (LPS) exacerbates gut-barrier dysfunction and inflammation. Cinnamoyl derivatives show potential in mitigating LPS-induced inflammation. Materials & methods: We assessed intestinal epithelial barrier function using Trans -epithelial electrical resistance values and measured inflammatory mediators through real-time PCR and ELISA in Caco-2 cells. Results: LPS treatment increased IL-6, IL-1β, TNF-α, PGE2 and TRL4 expression in Caco-2 cells. Pre-treatment with DM1 (1 or 10 μM) effectively countered LPS-induced TLR4 overexpression and reduced IL-6, IL-1β, TNF-α and PGE2 levels. Conclusion: DM1 holds promise in regulating inflammation and maintaining intestinal integrity by suppressing TLR4 and inflammatory mediators in Caco-2 cells. These findings suggest a potential therapeutic avenue for GI diseases.
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