Cited by 126RNA Interference and Gene DeliveryNanoparticle-Based Drug DeliveryRNA and protein synthesis mechanisms

Self-degradable lipid-like materials based on “hydrolysis accelerated by the intra-particle enrichment of reactant (HyPER)” for messenger RNA delivery

Open access
Tanaka, Hiroki, Takahashi, Tatsunari, Konishi, Manami, Takata, Nae, Gomi, Masaki, Shirane, Daiki, Miyama, Ryo, Hagiwara, Shinya +16 more·2020·Advanced Functional Materials

Abstract

Abstract RNA‐based therapeutics is a promising approach for curing intractable diseases by manipulating various cellular functions. For eliciting RNA (i.e., mRNA and siRNA) functions successfully, the RNA in the extracellular space must be protected and it must be delivered to the cytoplasm. In this study, the development of a self‐degradable lipid‐like material that functions to accelerate the collapse of lipid nanoparticles (LNPs) and the release of RNA into cytoplasm is reported. The self‐degradability is based on a unique reaction “Hydrolysis accelerated by intra‐Particle Enrichment of Reactant (HyPER).” In this reaction, a disulfide bond and a phenyl ester are essential structural components: concentrated hydrophobic thiols that are produced by the cleavage of the disulfide bonds in the LNPs drive an intraparticle nucleophilic attack to the phenyl ester linker, which results in further degradation. An oleic acid‐scaffold lipid‐like material that mounts all of these units (ssPalmO‐Phe) shows superior transfection efficiency to nondegradable or conventional materials. The insertion of the aromatic ring is unexpectedly revealed to contribute to the enhancement of endosomal escape. Since the intracellular trafficking is a sequential process that includes cellular uptake, endosomal escape, the release of mRNA, and translation, the improvement in each process synergistically enhances the gene expression.

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Crossref · 10.1002/adfm.201910575

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  • Other researchers propose that the outer shell of mRNA-LNPs consists of one or multiple bilayers.

    “Other researchers propose that the outer shell of mRNA-LNPs consists of one or multiple bilayers, based on cryo-TEM analysis (Fig. 2) (Patel et al., 2020, Tanaka et al., 2020) or SANS (Sebastiani et al., 2021).”

    From mRNA-lipid nanoparticle COVID-19 vaccines: structure and stability (2021) · cites this paper as Tanaka et al., 2020

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Authors
Tanaka, H., Takahashi, T., Konishi, M., Takata, N., Gomi, M., Shirane, D., Miyama, R., Hagiwara, S., Yamasaki, Y., Sakurai, Y., Ueda, K., Higashi, K., Moribe, K., Shinsho, E., Nishida, R., Fukuzawa, K., Yonemochi, E., Okuwaki, K., Mochizuki, Y., Nakai, Y., Tange, K., Yoshioka, H., Tamagawa, S., & Akita, H.
Affiliations
  • Chiba University (JP)
  • Hoshi University (JP)
  • Rikkyo University (JP)
  • NOF Corporation (Japan) (JP)
Corresponding author
  • Tanaka, Hiroki
  • Akita, Hidetaka
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2020-06-23
Volume
30
Issue
34
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W3037446636
Cited by
126
References
60
Citations by year
2026: 17 · 2025: 22 · 2024: 22 · 2023: 17 · 2022: 26 · 2021: 18 · 2020: 4
FWCI
5.27
Type
journal article
Language
en
Open access
Locations
Advanced Functional Materials (publishedVersion, cc-by)
Funders
  • Japan Society for the Promotion of Science (17H06558, 18K18377, 20H00657)
  • Chiba University
  • Japan Science and Technology Agency (JPMJCR17H1)
  • Asahi Glass Foundation
  • Core Research for Evolutional Science and Technology
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
Keywords
lipid nanoparticles, mRNA delivery, siRNA delivery, disulfide bond cleavage, endosomal escape, transfection efficiency, RNA therapeutics, intracellular trafficking

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