Jiajing Guo , Tao Wan , Zidan Qi , Yuandong Zhang , Xiaojie Yan , Bingning Zhang , Qi Pan , Bowen Li , Zhen Li , Yuan Ping
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引用次数: 0
Abstract
Poly(disulfide)s have been proposed as delivery carriers, yet their design for native protein delivery without covalent conjugation remain elusive and challenging. Here, we present a type of poly(disulfide)s randomly copolymerized from cell-penetrating cyclic five-membered disulfide (CFMD) monomer (M1) and phenylboronic CFMD monomer (M2) by ring-opening polymerization. The resulted poly(disulfide)s can directly complex a broad range of native, unmodified proteins and peptides via multiple non-covalent forces, regardless of their chemical structure, molecular weight and isoelectric point. The complexation between poly(disulfide)s and proteins can be predominantly internalized by cells via strain-promoted, thiol-mediated translocation, bypassing the classical endocytic pathway. The degradation of the poly(disulfide) is induced by rich intracellular glutathione, thereby timely releasing protein or peptide cargoes in their active form and minimize the cytotoxicity of the carrier. Of note, the surface coating of poly(disulfide) complexes by hyaluronic acid enables the systemic delivery of functional proteins, demonstrating their therapeutic potentials in vivo.
期刊介绍:
Nano Today is a journal dedicated to publishing influential and innovative work in the field of nanoscience and technology. It covers a wide range of subject areas including biomaterials, materials chemistry, materials science, chemistry, bioengineering, biochemistry, genetics and molecular biology, engineering, and nanotechnology. The journal considers articles that inform readers about the latest research, breakthroughs, and topical issues in these fields. It provides comprehensive coverage through a mixture of peer-reviewed articles, research news, and information on key developments. Nano Today is abstracted and indexed in Science Citation Index, Ei Compendex, Embase, Scopus, and INSPEC.