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. 2016 Jan 6;113(3):638–643. doi: 10.1073/pnas.1514663113

Fig. 1.

Fig. 1.

Identification of SDPR as a candidate metastasis suppressor gene. (A) Schematic depiction of the generation of breast cancer progression cell line model system. The model consists of five cell lines representing different stages of breast cancer progression. MI, normal breast epithelial cells; NeoT and MII, carcinoma in situ; MIII, carcinoma; and MIV, metastatic carcinoma. (B) Hierarchical clustering of gene expression profiles from MII, MIII, and MIV cells for the genes whose expression differ at least twofold between each cell line. Two clusters, cluster 6 and 7, are magnified because expressions of the genes in these two clusters are significantly suppressed in metastatic MIV cells compared with nonmetastatic MII and MIII. (C) The schematic summary of our strategy for the selection of SDPR as the top candidate metastasis suppressor.