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. 2010 Jun 27;2010:376927. doi: 10.1155/2010/376927

Figure 3.

Figure 3

Selection of clones expressing α1(V) and α2(V) chains. Western blot analysis with antibody to collagen V of recombinant α1(V) and α2(V) chains synthesized and secreted in the culture medium of co-transfected HEK-293 cells. The constructs α1(V)-pZeo-SV2 (lanes 2, 3) or α1(V)-pcDNA-Hygro (lane 4) and the construct α2(V)-Rc-CMV (lanes 2, 3, 4) were co-transfected into the HEK-293 cells. These cells do not naturally express these chains (lane 1). Three clones have been selected to express different ratios of α1(V)/α2(V): clone C22, which expressed more of the α2(V) chain than the α1(V) chain, clone C32, which expressed both chains at approximately the same amount, and clone F22, which expressed more of the α1(V) chain than the α2(V) chain. Left, molecular mass standards expressed in kDa.