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pH-sensitive Silk Fibroin Nanoparticles Encapsulating Β-Hydroxyisovalerylshikonin for Targeted Pancreatic Cancer Therapy

  • 0Department of Hepatobiliary Surgery, Ruian People's Hospital, the Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325200, China.
Current Drug Delivery +

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January 9, 2025

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January 9, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

pH-responsive silk fibroin nanoparticles loaded with β-hydroxyisovalerylshikonin show promise for pancreatic cancer treatment. These nanoparticles effectively target cancer cells, inhibit proliferation, and induce apoptosis, offering a potential new therapeutic strategy.

Area Of Science

  • Biomaterials Science
  • Nanotechnology
  • Cancer Therapeutics

Background

  • Pancreatic cancer presents a significant clinical challenge due to its high malignancy and limited treatment options.
  • Novel therapeutic strategies are urgently needed to improve patient outcomes.
  • This research focuses on developing advanced drug delivery systems for pancreatic cancer.

Purpose Of The Study

  • To create pH-responsive silk fibroin (SF) nanoparticles encapsulating β-hydroxyisovalerylshikonin (SF@β-HIVS).
  • To evaluate the efficacy of SF@β-HIVS nanoparticles in treating pancreatic cancer.
  • To explore the potential of these nanoparticles for clinical application.

Main Methods

  • SF@β-HIVS nanoparticles were synthesized via self-assembly and characterized using SEM and DLS.
  • In vitro studies assessed the impact of SF@β-HIVS on PANC-1 cell viability, apoptosis, and migration.
  • In vivo studies utilized a PANC-1 xenograft mouse model to evaluate antitumor activity and biosafety.

Main Results

  • SF@β-HIVS nanoparticles demonstrated a spherical structure at pH 7.4 and disintegrated in acidic conditions, facilitating drug release.
  • In vitro results showed significant inhibition of PANC-1 cell proliferation, apoptosis induction, and suppressed migration.
  • In vivo experiments confirmed substantial antitumor effects and favorable biosafety of SF@β-HIVS.

Conclusions

  • The successful development of pH-responsive SF@β-HIVS nanoparticles offers a promising approach for pancreatic cancer therapy.
  • These findings lay the groundwork for future clinical investigations and applications of SF@β-HIVS.
  • The study highlights the potential of targeted nanoparticle delivery systems in oncology.

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