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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Biomaterials. 2017 Mar 3;127:132–140. doi: 10.1016/j.biomaterials.2017.02.010

Figure 3.

Figure 3

Quantitative gene expression of cartilage markers by chondrocytes in three ELP-HA hydrogel compositions with varied HA concentrations after 7 days of culture in chondrocyte growth medium. HA concentrations were varied from 1.5% to 5% while keeping hydrogel stiffness constant (∼350 Pa). (A) Aggrecan, (B) Sox 9, (C) type II Collagen, (D) type X Collagen, (E) matrix metallopeptidase (MMP13), and (F) type I collagen. Data are presented as average +/- standard deviation (n=3 per group). *p <0.1, **p<0.005 compared to ELP-1.5%HA group.