Levels of total collagen, collagen I, collagen III, sGAG, and elastin in each PEG-PDMSstar formulation. Results were normalized to the 100:0 PEG-PDMSstar formulation for the purpose of comparison. *Significantly different from 100:0 gels; #significantly different from 95:5 gels. Samples per assay: n=4–6 per formulation. sGAG, sulfated glycosaminoglycan.