Abstract
We report a strategy to construct peptidyl virus-like particles (pVLPs) by mimicking the human immunodeficiency virus and simian virus 40. We designed two viral peptides with cell/nucleus-targeting capabilities that can co-assemble in their active conformations into well-defined nanoparticles. The self-assembled nanoparticles can encapsulate the DNA of clustered regularly interspaced short palindromic repeat associated proteins 9 (CRISPR/Cas9) to form biodegradable pVLPs with excellent cell-targeting ability and biocompatibility. The pVLPs can penetrate the cellular membrane and deliver genetic cargos into the nucleus through the viral entry route. The results provide a promising pathway for engineering artificial viruses with desired functions.
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