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FIGURE 1. Gene chip data for 5 giant cell tumors. Normalized expression values are presented in descending order. Data are sorted according to median gene expression values for 5 tumor specimens. Three of the genes with high expression values are shown in bold type (small proteoglycan I, Wilms’ tumor-related protein, and RhoA). Cluster analysis was applied to the data and revealed 2 subgroups, consisting of 2 tumors (left 2 columns) and 3 tumors (right 3 columns).
