Enhanced antiproliferative activity of Herceptin (HER2)-conjugated gemcitabine-loaded chitosan nanoparticle in pancreatic cancer therapy

Nanomedicine. 2011 Dec;7(6):859-70. doi: 10.1016/j.nano.2011.03.009. Epub 2011 Apr 13.

Abstract

Currently, effective drug delivery in pancreatic cancer treatment is a major challenge. Nanomedicine plays an essential role by delivering anticancer drugs in a targeted manner to the malignant tumor cells, leading to increased efficacy by reducing the toxicity of anticancer drugs to normal, sensitive sites. This study investigated the preparation and characterization of a targeted system represented by Herceptin-conjugated gemcitabine-loaded chitosan nanoparticles (HER2-Gem-CS-NPs) for pancreatic cancer therapy. The targeted NPs displayed superior antiproliferative activity along with an enhanced S-phase arrest, leading to apoptosis in comparison with unconjugated gemcitabine-loaded nanoparticles and free gemcitabine due to higher cellular binding with eventual uptake and prolonged intracellular retention. Thus, HER2-Gem-CS-NPs are able to provide an efficient and targeted delivery of gemcitabine for pancreatic cancer treatment.

From the clinical editor: This study investigated the preparation and characterization of a targeted drug delivery system consisting of Herceptin-conjugated gemcitabine-loaded chitosan nanoparticles for pancreatic cancer therapy.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antibodies, Monoclonal, Humanized / chemistry*
  • Antineoplastic Agents / administration & dosage*
  • Antineoplastic Agents / chemistry
  • Antineoplastic Agents / pharmacokinetics
  • Antineoplastic Agents / pharmacology
  • Cell Line, Tumor
  • Cell Proliferation / drug effects
  • Chitosan / chemistry*
  • Deoxycytidine / administration & dosage
  • Deoxycytidine / analogs & derivatives*
  • Deoxycytidine / chemistry
  • Deoxycytidine / pharmacokinetics
  • Deoxycytidine / pharmacology
  • Drug Delivery Systems*
  • Gemcitabine
  • HEK293 Cells
  • Humans
  • Nanoparticles / chemistry*
  • Nanoparticles / ultrastructure
  • Pancreas / cytology
  • Pancreatic Neoplasms / drug therapy*
  • Trastuzumab

Substances

  • Antibodies, Monoclonal, Humanized
  • Antineoplastic Agents
  • Deoxycytidine
  • Chitosan
  • Trastuzumab
  • Gemcitabine