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Fig. 4 | BMC Musculoskeletal Disorders

Fig. 4

From: Expression of minor cartilage collagens and small leucine rich proteoglycans may be relatively reduced in osteoarthritic cartilage

Fig. 4

Expression ratio of fibrillogenesis-related SLRP genes relative to that of type II procollagen expression in OA (OA) and control cartilage (Control). Based on the results of qPCR analysis, expression ratio of decorin (a), biglycan (b) and fibromodulin (c) relative to that of type II procollagen was compared between OA and control cartilage in a zone-to-zone manner. Results are derived from the data shown in Figs. 1 and 2. For OA cartilage, Preserved indicates preserved areas, while Slight, Mod and Severe denote slightly, moderately and severely degenerated areas, respectively. In each graph, open, shaded and solid bars indicate the findings for the superficial, middle and deep cartilage zones, respectively. Bars are the mean + SD of 11–34 samples. *, p < 0.05 and **, p < 0.01 versus the corresponding zone in control cartilage

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