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Gene expression levels (log2-fold change) of genes from different time points during adipocyte differentiation in 3T3-L1 and MEF cells. (A) Compact heatmaps from k-means clustering. (B) Line drawing centroid view (mean +/- SD). (C) Three-dimensional visualization of Principal Component Analysis (PCA) (color coding according k-means clustering) demonstrates cluster separation. (D) Line drawing for expression course of each gene individually.
