Abstract
Genome editing is a method used to make desired changes in the target gene. Today, various methods are used for genome-editing studies; among them, one of the most widely used methods is the clustered, regularly interspaced short palindromic repeats (CRISPR). CRISPR-associated (Cas) genes and their corresponding CRISPR sequences constitute CRISPR-Cas systems. Due to its simplicity, it is likely that the CRISPR–Cas system could be used effectively in ex vivo gene therapy studies in humans. If this happens, the importance of CRISPR carrier systems will gradually increase. Viral and non-viral systems are used as delivery modalities in genome-editing studies. It has been proven that nanoparticles are the most promising tools for gene therapy due to their adjustable size, surface, shape, and biological behaviours. The polymeric carrier system has become the main non-viral substitute for gene delivery due to its reduced immunogenicity and pathogenicity. In this review, information about current studies related to polymeric carriers used in non-viral CRISPR delivery systems is presented.
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