High Drug Loading and Sub-Quantitative Loading Efficiency of Polymeric Micelles Driven by Donor-Receptor Coordination Interactions

Shixian Lv, Yuchen Wu, Kaimin Cai, Hua He, Yongjuan Li, Min Lan, Xuesi Chen, Jianjun Cheng, Lichen Yin

Research output: Contribution to journalArticle

Abstract

Polymeric micelles are extensively used for the delivery of hydrophobic drugs, which, however, suffer from unsatisfactory drug loading, colloidal uniformity, formulation stability, and drug release. Herein, we demonstrate a convenient strategy to prepare micelles with ultrahigh drug loading via the incorporation of polymer-drug coordination interactions. An amphiphilic copolymer containing pendant phenylboronic acid as electron acceptor unit was synthesized, which afforded donor-acceptor coordination with doxorubicin to obtain micelles with ultrahigh drug loading (∼50%), nearly quantitative loading efficiency (>95%), uniform size, and colloidal stability. Besides, the encapsulated drug can be effectively and selectively released in response to the high reactive oxygen species levels in cancer cells, which potentiated the anticancer efficacy and reduced systemic toxicity. Apart from doxorubicin, the current platform could be extended to other drugs with electron-donating groups (e.g., epirubicin and irinotecan), rendering a simple and robust strategy for enabling high drug loading in polymeric micelles and cancer-specific drug release.

Original languageEnglish (US)
Pages (from-to)1235-1238
Number of pages4
JournalJournal of the American Chemical Society
Volume140
Issue number4
DOIs
StatePublished - Jan 31 2018

Fingerprint

Micelles
drug
Pharmaceutical Preparations
irinotecan
Electrons
Doxorubicin
Toxicity
Copolymers
Cells
Epirubicin
cancer
Oxygen
Acids
co-ordination
Drug Interactions
Polymers
electron
Reactive Oxygen Species
Neoplasms
polymer

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

High Drug Loading and Sub-Quantitative Loading Efficiency of Polymeric Micelles Driven by Donor-Receptor Coordination Interactions. / Lv, Shixian; Wu, Yuchen; Cai, Kaimin; He, Hua; Li, Yongjuan; Lan, Min; Chen, Xuesi; Cheng, Jianjun; Yin, Lichen.

In: Journal of the American Chemical Society, Vol. 140, No. 4, 31.01.2018, p. 1235-1238.

Research output: Contribution to journalArticle

Lv, Shixian ; Wu, Yuchen ; Cai, Kaimin ; He, Hua ; Li, Yongjuan ; Lan, Min ; Chen, Xuesi ; Cheng, Jianjun ; Yin, Lichen. / High Drug Loading and Sub-Quantitative Loading Efficiency of Polymeric Micelles Driven by Donor-Receptor Coordination Interactions. In: Journal of the American Chemical Society. 2018 ; Vol. 140, No. 4. pp. 1235-1238.
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AU - He, Hua

AU - Li, Yongjuan

AU - Lan, Min

AU - Chen, Xuesi

AU - Cheng, Jianjun

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