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A highly integrated precision nanomedicine strategy to target esophageal squamous cell cancer molecularly and

Xin-Shuai Wang1, Xue-Zhen Ding1, Xiao-Cen Li2

  • 1Henan Key Laboratory of Cancer Epigenetics; Cancer hospital, The First Affiliated Hospital, College of Clinical Medicine, Medical College of Henan University of Science and Technology, Luoyang, China.

Nanomedicine : Nanotechnology, Biology, and Medicine
|July 27, 2018
PubMed

Insights

This study introduces a novel nanomedicine approach for esophageal squamous cell carcinoma (ESCC) treatment. Combining targeted drug delivery of docetaxel and a PI3K inhibitor significantly improved efficacy and reduced side effects in ESCC.

Area of Science:

  • Oncology
  • Nanomedicine
  • Molecular Biology

Background:

  • Esophageal squamous cell carcinoma (ESCC) has a poor prognosis, necessitating improved therapeutic strategies.
  • PI3K pathway is frequently overexpressed in ESCC and correlates with reduced patient survival.
  • Current ESCC treatments often face challenges with efficacy and significant toxicity.

Purpose of the Study:

  • To develop and evaluate a precision nanomedicine strategy for targeting ESCC.
  • To investigate the synergistic anti-tumor effects of combining docetaxel (DTX) and a PI3K inhibitor (AZD8186) delivered via a nanomedicine platform.
  • To assess the impact of this combination therapy on tumor response and systemic toxicity.

Main Methods:

  • Identification of PI3K overexpression in ESCC patient samples.
  • Development of a versatile tumor-targeted drug delivery platform (DCM) capable of co-delivering DTX and AZD8186.
  • In vitro evaluation of the combined nanomedicine therapy's efficacy, synergy, and impact on apoptosis-related proteins (Bax).
  • Assessment of hematotoxicity associated with the combination therapy compared to monotherapy.

Main Results:

  • The nanomedicine platform (DCM) successfully co-delivered DTX and AZD8186.
  • Combination therapy demonstrated highly efficacious and synergistic anti-tumor activity against ESCC.
  • Treatment with the combined DTX-DCM and AZD8186-DCM significantly upregulated the pro-apoptotic protein Bax.
  • The combination therapy resulted in decreased hematotoxicity compared to monotherapy.

Conclusions:

  • A highly integrated precision nanomedicine strategy targeting molecular (PI3K) and physical aspects of ESCC was developed.
  • This approach offers a promising avenue for significantly improving ESCC treatment efficacy through synergistic combination therapy.
  • The study highlights the potential of precision nanomedicine in advancing cancer treatment by integrating patient-specific targets with advanced drug delivery systems.
Keywords:
DocetaxelEsophageal squamous cell carcinomaNanoparticlePI3K inhibitorPrecision nanomedicine

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