Distribution of genes in each cluster according to their functions.

Relative distribution of genes in each cluster subdivided according to their functions. Cell division, genes involved in cell division, proliferation, apoptosis; Growth factors, genes for growth factors and their receptors; GF reg, growth factor regulatory molecules and transcription factors; Inflammation, cytokines, chemokines and their receptors; Inflam reg, inflammatory mediators, signaling molecules, transcription factors, and regulators; ECM, extracellular matrix proteins; ECM reg, Proteases, regulators of ECM synthesis and breakdown; Others genes involved in cell metabolism, transporters and ion channels and genes of unknown function (Tables S1, S2, S3, S4, and S5).