Functionalization and Application of Polymer-Modified Proteins
As a kind of important biological macromolecules,proteins have been widely used in chemical and medical fields,such as biocatalysis,drug delivery,and molecular imaging due to their special three-dimensional spatial structure and high catalytic activity.However,there are a series of problems in the practical application of proteins.For example,proteins are easily inactivated in extreme environments.Protein drugs have strong immunogenicity in vivo,which leads to short half-life of drugs and causes adverse reactions in patients easily.Their low solubility in organic solvents limits their use in organic solvents.In order to solve the above problems,researchers have developed methods such as protein engineering and co-immobilization,but there are corresponding shortcomings.Polymer modification is one of the important methods,which can improve the properties of proteins from many aspects and expand the application of proteins.From this point of view,this review focuses on the latest research and classical literature on polymer-modified proteins,and introduces their ingenious modification methods to synthesize materials with excellent properties.The principle,practical application,existing problems and solutions of improving protein stability and activity,immunogenicity,solubility and self-assembly by polymer modification are summarized.On this basis,the challenges and possible development trends in the commercial and clinical translation of this strategy are analyzed.
proteinpolymer modificationstability and activityimmunogenicitysolubilityself-assembly
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