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Related Experiment Video

Updated: May 20, 2026

Solubility of Hydrophobic Compounds in Aqueous Solution Using Combinations of Self-assembling Peptide and Amino Acid
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Solubility of Hydrophobic Compounds in Aqueous Solution Using Combinations of Self-assembling Peptide and Amino Acid

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Hyperbranched polydiselenide as a self assembling broad spectrum anticancer agent.

Jinyao Liu1, Yan Pang, Jun Chen

  • 1School of Chemistry and Chemical Technology, Shanghai Jiao Tong University, Shanghai, China.

Biomaterials
|July 24, 2012
PubMed
Summary

A novel hyperbranched polydiselenide (HPSe) shows potent, broad-spectrum anticancer activity, effectively inhibiting cancer cell proliferation. This self-delivering agent self-assembles into nanomicelles for enhanced tumor cell uptake.

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Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Oncology

Background:

  • Developing efficient and targeted anticancer agents is crucial for improving cancer therapy.
  • Self-delivery systems offer advantages in drug concentration and reduced systemic toxicity.
  • Hyperbranched polymers present unique structural properties for drug delivery applications.

Purpose of the Study:

  • To synthesize and characterize a novel hyperbranched polydiselenide (HPSe) as a self-delivery anticancer agent.
  • To evaluate the in vitro anticancer efficacy of HPSe across various cancer cell lines.
  • To investigate the self-assembly behavior and tumor cell uptake mechanism of HPSe.

Main Methods:

  • Synthesis of hyperbranched polydiselenide (HPSe) with alternating hydrophobic diselenide and hydrophilic phosphate segments.

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Solubility of Hydrophobic Compounds in Aqueous Solution Using Combinations of Self-assembling Peptide and Amino Acid
05:08

Solubility of Hydrophobic Compounds in Aqueous Solution Using Combinations of Self-assembling Peptide and Amino Acid

Published on: September 20, 2017

A Tripeptide-Stabilized Nanoemulsion of Oleic Acid
10:42

A Tripeptide-Stabilized Nanoemulsion of Oleic Acid

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  • In vitro cytotoxicity assays to determine the half-maximal inhibitory concentration (IC50) against multiple cancer cell lines.
  • Dynamic light scattering (DLS) to analyze HPSe nanomicelle size and morphology.
  • Cellular uptake studies to assess tumor cell entry via the enhanced permeability and retention (EPR) effect.

    • Main Results:

    • HPSe demonstrated potent and broad-spectrum anticancer activity, with IC50 values between 1-2.5 μg/mL for all tested cancer cell lines after 72h incubation.
    • HPSe self-assembled into amphiphilic nanomicelles with an average diameter of 50 nm.
    • HPSe nanomicelles were observed to spontaneously enter tumor cells, suggesting efficacy through the EPR effect.
    • HPSe micelles showed potential for co-delivery of hydrophobic anticancer drugs like doxorubicin (DOX).

    Conclusions:

    • Hyperbranched polydiselenide (HPSe) is a highly efficient, broad-spectrum, and self-delivering anticancer agent.
    • HPSe exhibits potent inhibition of cancer cell proliferation and self-assembles into nanomicelles for enhanced tumor cell targeting.
    • HPSe holds promise for developing advanced cancer therapies, including combination treatments with existing chemotherapeutics.