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Updated: May 22, 2026

Polymalic Acid-based Nano Biopolymers for Targeting of Multiple Tumor Markers: An Opportunity for Personalized Medicine?
14:20

Polymalic Acid-based Nano Biopolymers for Targeting of Multiple Tumor Markers: An Opportunity for Personalized Medicine?

Published on: June 13, 2014

Dual-Hyperbranched Strategy Enabling Remarkable Selectivity and Broad-Spectrum Antibacterial and Anticancer

Shuting Huang1, Chenyun Shen2, Yusheng Qian1

  • 1School of Material Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China.

Biomacromolecules
|May 21, 2026
PubMed

Insights

This study introduces a novel dual-hyperbranched strategy creating host-defense peptide mimics. These mimics offer broad-spectrum antibacterial and anticancer therapy with reduced toxicity, showing promise for integrated treatments.

Area of Science:

  • Biomaterials Science
  • Polymer Chemistry
  • Nanomedicine

Background:

  • Microbes, including Gram-positive and Gram-negative bacteria, play a role in tumor initiation, progression, and metastasis.
  • A concurrent broad-spectrum antibacterial and anticancer therapy is needed to address the complex microbe-tumor association.

Purpose of the Study:

  • To develop a novel dual-hyperbranched strategy for constructing host-defense peptide mimics.
  • To achieve potent antibacterial and anticancer activity with reduced toxicity.

Main Methods:

  • Designed dual-hyperbranched polymers with a hydrophobic interlayer and a hydrophilic polylysine shell.
  • Investigated the membranolytic mechanism targeting negatively charged membranes.
  • Evaluated antibacterial and anticancer efficacy in vitro and in vivo.

Main Results:

  • The unique structure achieved potent activity against various bacteria and cancer cells via shared membranolysis.
  • The dual-hyperbranched strategy significantly reduced toxicity by restricting hydrophobic segment mobility.
  • In vivo studies confirmed concurrent therapeutic activities and safety to normal tissues.

Conclusions:

  • The dual-hyperbranched strategy provides a new approach for designing cationic host-defense peptide-mimetic polymers.
  • These polymers show significant potential for integrated antibacterial and anticancer therapies.

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