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Zerumbone modulates the expression of inflammatory mediators and antioxidant enzymes in TNF-α-stimulated human periodontal ligament cells
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DOI：10.1080/08923973.2024.2445724.png)
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Abstract
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ObjectivesPeriodontal disease is a chronic inflammatory disease caused by periodontopathogenic bacteria, and its progression leads to periodontal tissue destruction and tooth loss. Zerumbone is a bioactive substance found in ginger (Zingiber zerumbet) and is known to have bioactive effects such as anticancer effects, but there have been no attempts to use it for periodontitis treatment. In addition, there have been no reports examining its effects on periodontal tissue component cells. In this experiment, we aimed to determine whether zerumbone affects the production of inflammatory mediators induced by tumor necrosis factor (TNF)-alpha in human periodontal ligament cells (HPDLCs), including its effects on signaling pathways.MethodsHPDLCs were stimulated by TNF-alpha (10 ng/ml) with or without zerumbone (6.25, 12.5, or 25 mu M). Cytokine production in supernatant was determined using ELISA. Activation of signal transduction pathways and intracellular protein expression were investigated using the western blot analysis.ResultsZerumbone significantly suppressed TNF-alpha-induced production of CC chemokine ligand 2 (CCL2), CCL20, CXC chemokine ligand 10 (CXCL10), and interleukin-6 (IL-6) in HPDLCs. In addition, zerumbone decreased intercellular adhesion molecule-1 (ICAM-1) and cyclooxygenase-2 (COX-2) expression in TNF-alpha-stimulated HPDLCs. Furthermore, zerumbone suppressed activation of nuclear factor (NF)-kappa B and signal transducer and activator of transcription 3 (STAT3) pathways in TNF-alpha-treated HPDLCs. Finally, zerumbone enhanced the production of heme oxygenase-1 (HO-1), an antioxidant enzyme, in HPDLCs.ConclusionThese results suggest that zerumbone suppressed the production of several inflammatory mediators by inhibiting the NF-kappa B and STAT3 pathways in HPDLCs.
Keywords:
Zerumbone
anti-inflammatory effect
antioxidant enzyme
signal transduction
periodontal ligament cells
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