Recombinant proteins are artificially made in a laboratory using recombinant DNA technology. Cells are typically transfected with a DNA vector, cultured to transcribe and translate the protein, lysed, and purified. There are various ways to complete recombinant protein purification to maximize protein yield.
Advances in recombinant protein technology and research have expanded the applications of recombinant proteins to include their use as diagnostic reagents, therapeutics, and vaccines.