Abstract
Background
Cardamonin is classified as a natural chalcone, and has been reported to possess various bioactive effects. However, there have been limited attempts to utilize cardamonin in the treatment of periodontitis. This study aimed to investigate whether cardamonin has anti-inflammatory effects on human periodontal ligament cells (HPDLCs), which are a component cell of periodontal tissue. Specifically, the study seeks to determine whether cardamonin affects the expression of inflammatory mediators, such as cytokines and adhesion molecules, induced by interleukin-1β (IL-1β) in HPDLCs, as well as the signaling pathways activated by IL-1β.
Methods
Cytokine and chemokine levels in supernatants of HPDLCs were measured by ELISA. Western blot analysis was used to measure protein expression and signal transduction pathway activation in HPDLCs.
Results
We found that IL-1β-induced CC chemokine ligand (CCL)2, CCL5, CCL20, CXC-chemokine ligand (CXCL)10, and interleukin (IL)-6 production and intercellular adhesion molecule (ICAM)-1 and cyclooxygenase (COX)-2 expression in HPDLCs were suppressed by cardamonin treatment. We also found that cardamonin suppressed IL-1β-activated nuclear factor (NF)-κB pathway, and the phosphorylation of signal transducer and activator of transcription (STAT)3. Furthermore, cardamonin treatment enhanced the expression of the antioxidant enzymes, heme oxygenase (HO)-1 and NAD(P)H dehydrogenase [quinone] 1 (NQO1), in HPDLCs.
Conclusion
In this study, we found that cardamonin could suppress the production of inflammatory mediators in HPDLCs as well as the activation of several signaling pathways induced by IL-1β treatment.
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Data availability
The data in this manuscript are available from the corresponding author upon request.
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Funding
This research was supported by Grant-in-Aid for Scientific Research (C) under Grants 22K09966 and 22K09984 from the Japan Society for the Promotion of Science and Research, and the cluster program of Tokushima University (Grant Number: 2202006).
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Conceptualization, YH; investigation, RO, YH, and IH; methodology, RO, YH, IH, and KO; writing—original draft, RO and YH; writing—review and editing, KO and KH. The published version of the manuscript has been read and approved by all authors.
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Okamoto, R., Hosokawa, Y., Hosokawa, I. et al. Cardamonin decreases inflammatory mediator expression in IL-1β-stimulated human periodontal ligament cells. Mol Biol Rep 51, 222 (2024). https://doi.org/10.1007/s11033-023-09204-8
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DOI: https://doi.org/10.1007/s11033-023-09204-8