Intercalating pyrene with polypeptide as a novel self-assembly nano-carrier for colon cancer suppression in vitro and in vivo

Pei Ying Lo, Guang Yu Lee, Jia Huei Zheng, Jen Hsien Huang, Er Chieh Cho, Kuen Chan Lee

Research output: Contribution to journalArticle

Abstract

Giving patients right dosage is an essential concept of precision medicine. Most of nanocarriers lack of flexible drug capacity and structural stability to be customized for specific treatment, resulting in low therapeutic efficacy and unexpected side effects. Thus, a growing need emerges for fast and rigorous approaches to develop nanoparticles with properties of adjustable dosage and controllable particle size. Poly-L-Lysine is known for its enhanced bioadhesivity and pH-triggered structural swelling effect, which is utilized as the main agent to activate the multistage drug releasing. Inspired by natural bio-assembly system, we report a simple method to self-assemble Poly-L-Lysine-based nanoparticles via supramolecular recognitions of cross-linked pyrenes, which provides noncovalent force to flexibly encapsulate Doxorubincin and to construct robust nanostructures. Pyrene-modified polypeptide self-assemblies are able to adjust drug payload from 1: 10 to 2:1 (drug: polypeptide) without changing its uniform nano-spherical morphology. This nanostructure remained the as-made morphology even after experiencing the long-term (~ 10 weeks) storage at room temperature. Also, the nanoparticles displayed multi-step drug release behaviours and exhibited great in vitro and in vivo cytotoxicity towards colon cancer cells. The as-mentioned nanoparticles provide a novel perspective to compensate the clinical needs of specific drug feedings and scalable synthesis with advantages of simple-synthesis, size-adaptivity, and morphology reversibility.

Original languageEnglish
Article number110593
JournalMaterials Science and Engineering C
Volume109
DOIs
Publication statusPublished - Apr 1 2020

Fingerprint

Polypeptides
Pyrene
polypeptides
pyrenes
Self assembly
self assembly
drugs
cancer
retarding
Nanoparticles
Peptides
Pharmaceutical Preparations
Nanostructures
nanoparticles
lysine
Lysine
Pyrenes
Cytotoxicity
Medicine
Swelling

Keywords

  • Drug delivery system
  • Multi-staged drug release
  • One-step manipulation
  • Self-assembly
  • Structural stability

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Intercalating pyrene with polypeptide as a novel self-assembly nano-carrier for colon cancer suppression in vitro and in vivo. / Lo, Pei Ying; Lee, Guang Yu; Zheng, Jia Huei; Huang, Jen Hsien; Cho, Er Chieh; Lee, Kuen Chan.

In: Materials Science and Engineering C, Vol. 109, 110593, 01.04.2020.

Research output: Contribution to journalArticle

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