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. 2011 Aug 11;7(8):e1002229. doi: 10.1371/journal.pgen.1002229

Figure 2. Differential expression of genes encoding glutamine-metabolizing enzymes in the basal and luminal breast cancer cell lines.

Figure 2

(A) The heatmap showing the expression levels of probesets for GLUL, GLS and GLS2 in the microarray data of indicated breast cancer cell lines known to be of luminal (blue) and basal (green) type. (B, C, D) The levels of mRNA expression of GLUL (B), GLS (C) and GLS2 (D) of the indicated luminal and breast cell lines determined with real-time PCR. (E) The levels of protein products of GLUL, GLS, and GLS2 in the indicated luminal and basal breast cell lines determined by Western blots.