Keywords

Polypeptide Fusion Technology Therapeutic Protein Plasma Half-Life Hydrodynamics Volume Glomerular Filtration

Abstract

Peptide and protein drugs have high specificity and biological activity, but have poor stability and short plasma half-life, which limits their clinical application. PEG modification technology is a common method for long-lasting proteins, but it still has certain shortcomings. Therefore, in recent years, researchers have developed polypeptide fusion technology that simulates PEG. Polypeptide fusion technology uses DNA recombinant technology to fuse protein drugs with special amino acid sequences to increase the hydrodynamic volume of the drug or produce a charge effect, thereby delaying glomerular filtration and increasing the plasma half-life of the fusion protein. This article reviews various existing polypeptides and their research on long-lasting proteins.

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