Tissue-specific gene expression changes are associated with aging in mice.

**Supplement Figure 1:** Two and three dimensional PCA plots of the used RNA-Seq libraries based on an either 10, 100, 1000 or all commonly actively expressed genes within the four tissues.
Tissue	PCAs based on 10 most variant genes	PCAs based on 100 most variant genes	PCAs based on 1000 most variant genes	PCAs based on all actively expressed genes	Download PCAs
brain, blood, liver, skin					PCA_all.pdf PCA_2D_all.gif PCA_3D_all.gif
brain					PCA_brain.pdf PCA_2D_brain.gif PCA_3D_brain.gif
blood					PCA_blood.pdf PCA_2D_blood.gif PCA_3D_blood.gif
liver					PCA_liver.pdf PCA_2D_liver.gif PCA_3D_liver.gif
skin					PCA_skin.pdf PCA_2D_skin.gif PCA_3D_skin.gif

Principal Componant Analyses