Moritz, Eileen and Jedlitschky, Gabriele and Negnal, Josefine and Tzvetkov, Mladen V. and Daum, Günter and Dörr, Marcus and Felix, Stephan B. and Völzke, Henry and Nauck, Matthias and Schwedhelm, Edzard and Meisel, Peter and Kocher, Thomas and Rauch, Bernhard H. and Holtfreter, Birte (2021) Increased sphingosine-1-phosphate serum concentrations in subjects with periodontitis: a matter of inflammation. Journal of Inflammation Research, 14. pp. 2883-2896. ISSN 1178-7031

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Purpose: Periodontitis is an inflammatory disease of the oral cavity with an alarmingly high prevalence within the adult population. The signaling lipid sphingosine-1-phosphate (S1P) plays a crucial role in inflammatory and immunomodulatory responses. In addition to cardiovascular disease, sepsis and tumor entities, S1P has been recently identified as both mediator and biomarker in osteoporosis. We hypothesized that S1P may play a role in periodontitis as an inflammation-prone bone destructive disorder. The goal of our study was to evaluate associations between periodontitis and S1P serum concentrations in the Study of Health in Pomerania (SHIP)-Trend cohort. In addition, we investigated the expression of S1P metabolizing enzymes in inflamed gingival tissue. Patients and Methods: We analyzed data from 3371 participants (51.6% women) of the SHIP-Trend cohort. Periodontal parameters and baseline characteristics were assessed. Serum S1P was measured by liquid chromatography tandem mass spectrometry. The expression of S1P metabolizing enzymes was determined by immunofluorescence staining of human gingival tissue. Results: S1P serum concentrations were significantly increased in subjects with both moderate and severe periodontitis, assessed as probing depth and clinical attachment loss. In contrast, no significant association of S1P was seen with caries variables (number and percentage of decayed or filled surfaces). S1P concentrations significantly increased with increasing high-sensitivity C-reactive protein (hs-CRP) levels. Interestingly, inflamed compared to normal human gingival tissue exhibited elevated expression levels of the S1P-generating enzyme sphingosine kinase 1 (SphK1). Conclusion: We report an intriguingly significant association of various periodontal parameters with serum levels of the inflammatory lipid mediator S1P. Our data point towards a key role of S1P during periodontitis pathology. Modulation of local S1P levels or its signaling properties may represent a potential future therapeutic strategy to prevent or to retard periodontitis progression and possibly reduce periodontitis-related tooth loss.

Item Type: Article
Subjects: Science and mathematics > Life sciences, biology
Technology, medicine, applied sciences > Medicine and health
Divisions: Faculty of Medicine and Health Sciences > Department of Human Medicine
Date Deposited: 02 Sep 2021 12:38
Last Modified: 13 Jan 2022 06:12
URN: urn:nbn:de:gbv:715-oops-51747
DOI: 10.2147/JIR.S302117

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