Figure 2. Expression of integrin α2 and α4 proteins are increased in human dermal fibroblasts (HDF) compared to human gingival fibroblasts (HGF).

Cells were cultured until 80% confluence and incubated overnight in serum-free medium. Total protein was harvested, and subjected to Western blot analysis with the antibodies indicated. N = 3 average ±SE is shown * = p<0.05; ** = p<0.01.