Sclerostin and WNT-5a gingival protein levels in chronic periodontitis and health
Abstract
BACKGROUND AND OBJECTIVE: Wnt signaling pathways regulate osteoblast differentiation and bone formation and are associated with inflammatory responses driven by innate and adaptive immunity via the NF-κB pathway. The aim of this study was to compare the levels of sclerostin (SOST), WNT-5a, and TNF-α between chronic periodontitis and periodontally healthy sites and determine their value as diagnostic markers of chronic periodontitis.
MATERIAL AND METHODS: In a cross-sectional assessment 25 chronic periodontitis cases and 25 periodontally healthy controls were selected upon clinical and radiographic periodontal evaluation. Gingival crevicular fluid (GCF) was collected cross-sectionally from diseased and healthy sites in periodontitis patients and from healthy sites in each control subject. In a subgroup analysis, ten patients with generalized moderate and severe chronic periodontitis and ten generalized periodontally healthy individuals were included. The protein levels of SOST, WNT-5a, and TNF-α in GCF were measured by sandwich ELISA. The Shapiro-Wilk test was utilized to assess the normality of the distribution and non-parametric comparisons were performed.
RESULTS: The protein levels of SOST were significantly higher in the generalized moderate and severe chronic periodontitis subgroup when compared to the generalized healthy (P = 0.002), while the WNT-5a and TNF-α GCF total amounts were similar (P > 0.05). Diseased sites in the periodontitis patients exhibited…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause.
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