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Codon Optimization> | … structure types of cell penetrating peptides were selected to be fused at the C-terminus of EGF by recombinant expression (Table 1). Coding sequences of the four fusion proteins were designed, codon optimized and chemically synthesized by GenScript Corporation (Nanjing … | Get A Quote |
Human epidermal growth factor (hEGF) plays important roles in wound healing. Due to large molecular weight and hydrophilic nature, cellular uptake and skin permeation of hEGF are very poor, significantly limiting its efficacy. By using recombinant technology, four structural classes of cell penetrating peptides (CPPs) were fused at the C-terminus of hEGF, expressed and purified into homogeneity. Comparative studies were conducted to evaluate their activity, cytotoxicity, cellular uptake and skin permeation. Cell viability assay and in vitro scratch wound-healing assay showed that all four fusion proteins had similar activities with commercial rhEGF. Obvious cytotoxicity was not detected for EGF-TAT... More