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Effects of CORT on PTHrP and Col X mRNAs expression in cultured Chondrocytes (A-B). The cells were incubated with various doses of CORT for 48 h. The relative expression of PTHrP and Col X genes was analysed by real-time PCR. Gene expression was normalized using GAPDH as an internal control. Values were mean ± SEM from at least three separate experiments, each performed in triplicates. *P < 0.05 and **P < 0.01 versus control (0 M CORT).
