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. 2016 Aug 9;4:e2318. doi: 10.7717/peerj.2318

Figure 2. Global patterns of sample variation across lung development.

Figure 2

Plots of PCA scores (y-axis) for strain-independent principal components 1–3 along developmental time points and stages (x-axis). Time points: embryonic (E); postnatal (P). Stages: whole embryo (WE); embryonic (EMB); pseudoglandular (PSG); canalicular (CAN); saccular (SAC); alveolar (ALV1-4); mature lung (MAT). (A) PCA scores for principal components 1–3 (averaged across all three strains) across all developmental time points. (B) PCA scores for principal components 1–3 plotted for each mouse strain.