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The Beneficial Effect of Carvacrol in HL-1 Cardiomyocytes Treated with LPS-G: Anti-Inflammatory Pathway Investigations #MMPMID35204269
Marconi GD; Della Rocca Y; Fonticoli L; Guarnieri S; Carradori S; Rajan TS; Pizzicannella J; Diomede F
Antioxidants (Basel) 2022[Feb]; 11 (2): ? PMID35204269show ga
Carvacrol (CAR), a natural phenolic monoterpene, possesses different biological activities, such as anti-inflammatory and antioxidant activities. The current study aimed to evaluate the response of HL-1 cardiomyocytes to an inflammatory stimulus triggered by lipopolysaccharide from Porphyromonas gingivalis (LPS-G), alone or in co-treatment with CAR, to investigate the potential protective role of CAR in the inflammatory process through modulation of the TLR4/NFkappaB/NALP3/IL-1beta pathway and ROS production. In an in vitro experiment, HL-1 cardiomyocytes were exposed to LPS-G and incubated with CAR. We evaluated the anti-inflammatory effect of CAR by the reduction in TLR4, NFkappaB, NALP3, and IL-1beta expression using immunofluorescence staining. Western blot analysis also validated the modulation of the TLR4/NFkappaB/NALP3/IL-1beta pathway. ROS analyses confirmed the protective effects of CAR. Our results suggest that CAR could provide a significant protection role against inflammatory stimulus generated by LPS-G, involving the suppression of the TLR4/NFkappaB/NALP3/IL-1beta signaling pathway.