Abstract
BackgroundThe information about the cellular and molecular mechanisms underlying the formation and progression of temporomandibular joint disorders (TMDs) is limited and the etiology of these disorders is still controversial. Biochemical analyzes are an important tool in understanding the pathogenesis of these diseases. ObjectiveThe main aim of the present study was to investigate the role of serum osteopontin (OPN) and CD44 levels in the etiopathology and to determine whether they could be used as biochemical markers in the diagnosis of TMDs. MethodsTotal number of 54 patients who diagnosed with TMD and total of 34 healthy controls with no joint problems were included in this study. Blood samples were obtained from all patients and then serum samples were analyzed by OPN and CD44 enzyme-linked immunosorbent assay (ELISA). ResultsAccording to the control group, there was a significant decrease in OPN levels in patients with TMDs. However, no statistically significant difference was found in CD44 levels among the groups. ConclusionsFindings obtained in the present study suggest that OPN may play a key role in the pathogenesis of TMDs as a novel biomarker in the diagnosis of these diseases.
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