Journal
SCIENTIFIC REPORTS
Volume 12, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41598-022-19220-6
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Funding
- Interdisciplinary Centre for Clinical Research within the faculty of Medicine at the RWTH Aachen University [OC1-5, 11/IA]
- Flow Cytometry Facility (FCF-IZKF)
- Clinician Scientist Program of the Faculty of Medicine of the RWTH Aachen University
- START-Program of the Faculty of Medicine of the RWTH Aachen University
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Xanthohumol (XN) has been found to have a selective anti-inflammatory effect in cementoblasts, making it a potential candidate for inflammation modulation in orthodontic therapy and treatment of periodontitis.
Xanthohumol (XN) is a prenylated plant polyphenol that naturally occurs in hops and its products, e.g. beer. It has shown to have anti-inflammatory and angiogenesis inhibiting effects and it prevents the proliferation of cancer cells. These effects could be in particular interesting for processes within the periodontal ligament, as previous studies have shown that orthodontic tooth movement is associated with a sterile inflammatory reaction. Based on this, the study evaluates the anti-inflammatory effect of XN in cementoblasts in an in vitro model of the early phase of orthodontic tooth movement by compressive stimulation. XN shows a concentration-dependent influence on cell viability. Low concentrations between 0.2 and 0.8 mu M increase viability, while high concentrations between 4 and 8 mu M cause a significant decrease in viability. Compressive force induces an upregulation of pro-inflammatory gene (Il-6, Cox2, Vegfa) and protein (IL-6) expression. XN significantly reduces compression related IL-6 protein and gene expression. Furthermore, the expression of phosphorylated ERK and AKT under compression was upregulated while XN re-established the expression to a level similar to control. Accordingly, we demonstrated a selective anti-inflammatory effect of XN in cementoblasts. Our findings provide the base for further examination of XN in modulation of inflammation during orthodontic therapy and treatment of periodontitis.
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