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Expression of human serum albumin-micro RNA miR-148b in patients with stage-I and II parosteal osteosarcoma and its effect on prognosis were investigated. A total of 47 cases of fresh tissues of stage-I and II parosteal osteosarcoma and the corresponding para-carcinoma normal bone tissues resected by operation were collected; the expression of miR-148b in parosteal osteosarcoma tissues and normal bone tissues was detected, and the correlations of miR-148b expression in parosteal osteosarcoma tissues with clinicopathological parameters and prognosis were analyzed. The expression level of miR-148b in parosteal osteosarcoma tissues was significantly lower than that in para-carcinoma normal tissues (P&lt;0.05). It was found that the low expression of miR-148b was correlated with the lung metastasis (P&lt;0.05). Moreover, Kaplan-Meier survival curve analysis showed that the overall survival rate of patients in the low-expression miR-148b group was lower than that in the high-expression group (P&lt;0.05). Multivariate Cox regression analysis revealed that the miR-148b level (P=0.003) was an independent prognostic factor affecting the prognosis. The results of this study showed that the expression of miR-148b in stage-I and II parosteal osteosarcoma tissues declines, which is related to the poor clinical prognosis of parosteal osteosarcoma.

Analysis of miR-148b expression differences in stage-I and II parosteal osteosarcoma