Peptide‐Based Nanoarchitectonics for the Treatment of Liver Fibrosis

Abstract

Liver fibrosis is a process of excessive accumulation of extracellular matrix caused by liver injury. Liver fibrosis can progress to cirrhosis or even liver cancer without proper intervention. Until now, no effective therapeutic drugs have been clinically approved for treating liver fibrosis. Hence, the development of safe and effective antifibrotic drugs is particularly important. As a representative biomaterial, peptides have been investigated as key components for constructing antifibrotic nanomaterials given their advantages of biological origination, synthetic availability, and good biocompatibility. Peptides serve as multifunctional motifs in antifibrotic nanomaterials, such as liver‐targeting molecules, antifibrotic molecules, and self‐assembling building blocks for the formation of the nanomaterials. In this review, we focus on peptide‐based nanoarchitectonics for treating liver fibrosis, including nanomaterials modified with liver‐targeting peptides, nanomaterials for the efficient delivery of antifibrotic peptides, and self‐assembled peptide nanomaterials for the delivery of antifibrotic drugs. The design rules of these peptide‐based nanomaterials are described. The antifibrotic mechanisms and effects of these peptide‐based nanomaterials in treating liver fibrosis and related diseases are highlighted. The challenges and future perspectives of using peptide‐based nanoarchitectonics for the treatment of liver fibrosis are discussed. These results are expected to accelerate the rational design and clinical translation of antifibrotic nanomaterials.

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