Journal
EXPERIMENTAL AND THERAPEUTIC MEDICINE
Volume 25, Issue 5, Pages -Publisher
SPANDIDOS PUBL LTD
DOI: 10.3892/etm.2023.11926
Keywords
3,4,5-trihydroxycinnamic acid; phorbol-12-myristate-13-acetate; COX-2; NF-kappa B; RBL-2H3 cells; MAPKs
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The anti-allergic properties of 3,4,5-Trihydroxycinnamic acid (THC) were investigated, and it was found that THC could inhibit degranulation and histamine release in mast cells by suppressing the MAPKs/ NF-kappa B signaling pathway.
Previously, anti-inflammatory properties of 3,4,5-Trihydroxycinnamic acid (THC) has been reported in lipopolysaccharide ( LPS)-induced RAW264.7 murine macrophage cells and in an LPS-induced sepsis BALB/c mice animal model. However, the effect of THC on the anti-allergic effect in mast cells has not been elucidated. The current study aimed to demonstrate the anti-allergic properties of THC and its underlying mechanism. Rat basophilic leukemia (RBL-2H3) cells were treated with phorbol-12-myristate-13-acetate (PMA) and A23187, a calcium ionophore, to be activated. The anti-allergic effect of THC was determined by measuring cytokine and histamine release. Western blotting was conducted to determine mitogen-activated protein kinases (MAPKs) activation and nuclear factor-kappa B ( NF-kappa B) translocation. THC significantly suppressed PMA/A23187-induced tumor necrosis factor a secretion and THC also significantly attenuated degranulation, releasing ss-hexosaminidase and histamine in concentration-dependent manners. Furthermore, THC significantly attenuated PMA/A23187-induced cyclooxygenase 2 expression and nuclear translocation of NF-kappa B. THC significantly suppressed PMA/A23187-induced increased phosphorylation of p38 mitogen-activated protein kinase, phosphorylated (p-)extracellular signal-regulated kinase 1/2 and p-c-Jun N-terminal kinase in RBL-2H3 cells. Overall, the results demonstrated that THC exhibited anti-allergic action by significantly attenuating degranulation of mast cells through the inhibition of MAPKs/ NF-kappa B signaling pathway in RBL-2H3 cells.
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