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  • Title: Serum prolidase activity and oxidative-antioxidative status in patients with developmental dysplasia of the hip and its relationship with radiographic severity.
    Author: Altay MA, Ertürk C, Levent A, Çetin BV, Aksoy N.
    Journal: Redox Rep; 2017 Sep; 22(5):227-234. PubMed ID: 27320745.
    Abstract:
    BACKGROUND: We aimed to investigate serum prolidase activity and to investigate its association with oxidative-antioxidative status in patients with developmental dysplasia of the hip (DDH). METHODS: Oxidative status parameters, including lipid hydroperoxide (LOOH), total oxidant status (TOS), and the oxidative stress index (OSI), and antioxidative status parameters, free sulfhydryl groups (Total -SH), and total antioxidative capacity (TAC), as well as serum prolidase activity were assessed in patients with DDH (n = 93), and in healthy controls (n = 82). The severity of dysplasia was evaluated according to the Tonnis grading system. RESULTS: Serum prolidase activity and the oxidant parameters (LOOH, TOS, and OSI) were significantly higher and the antioxidant parameters (Total -SH and TAC) were significantly lower in patients with DDH compared to the controls (P < 0.005 for all). Serum prolidase activity was positively correlated with the Tonnis grade of DDH and LOOH, TOS, and OSI levels (P < 0.001 for all), but inversely correlated with total -SH and TAC levels (P < 0.001 for all). CONCLUSION: Increased levels of serum prolidase activity, LOOH, TOS, and OSI, and decreased levels of total -SH and TAC, may be associated with DDH, and these parameters may be useful adjunctive tools to assess the severity of DDH.
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