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Long-term Silencing of Intersectin-1s in Mouse Lungs by Repeated Delivery of a Specific siRNA via Cationic Liposomes. Evaluation of Knockdown Effects by Electron Microscopy
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Silencing Receptor EphA2 Enhanced Sensitivity to Lipoplatin™ in Lung Tumor and MPM Cells

Hung-Yen Lee1,2, Kamal A Mohammed1,3, Eugene P Goldberg2

  • 1a Division of Pulmonary, Critical Care & Sleep Medicine, Department of Medicine , University of Florida , Gainesville , FL , USA.

Cancer Investigation
|July 21, 2016
PubMed

Insights

Silencing receptor EphA2 in lung cancer and mesothelioma cells increases their sensitivity to Lipoplatin, a novel liposomal cisplatin formulation. This combination therapy shows potential for treating these challenging cancers.

Area of Science:

  • Oncology
  • Molecular Biology
  • Drug Development

Background:

  • Receptor EphA2 is overexpressed in lung cancer and malignant pleural mesothelioma (MPM), promoting tumor growth.
  • Lipoplatin is a liposomal cisplatin formulation effective against resistant tumors but associated with toxicities.
  • Enhancing cellular sensitivity to Lipoplatin is crucial for improving treatment outcomes in lung cancer and MPM.

Purpose of the Study:

  • To investigate the combined effects of silencing receptor EphA2 and treating with Lipoplatin in lung tumor and MPM cells.
  • To determine if targeting EphA2 can enhance the efficacy of Lipoplatin therapy.

Main Methods:

  • Silencing of receptor EphA2 using interference RNA (siRNA).
  • Treatment of tumor cells with Lipoplatin.
  • Assessment of cellular sensitivity to Lipoplatin after EphA2 silencing.

Main Results:

  • Silencing EphA2 significantly enhanced the cellular sensitivity of lung tumor and MPM cells to Lipoplatin.
  • The combination of siRNA-EphA2 and Lipoplatin demonstrated improved anti-tumor effects.

Conclusions:

  • Targeting EphA2 by silencing is a viable strategy to enhance Lipoplatin efficacy.
  • This approach may offer a potential new therapeutic strategy for lung cancer and MPM.
Keywords:
EphA2 receptorLipoplatincombination therapyliposomal nanoparticlesmalignant pleural mesotheliomanon-small cell lung cancer

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