<i>Slc6a15</i> KO mice and WT littermates did not cluster by genotype.

<p>Gene based principal component analysis (PCA) 3D plot demonstrating microarray gene expression profiling of <i>Slc6a15</i> KO mice (−/−) and WT mice (+/+) (n = 6/group) by clustering of the genotypes by 3 principal components (PC1-3 in the graph). Units in graphs are arbitrary units.