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Advances in Cancer Research: New Findings from Taiwan, Japan, and the United States

Strategic Insights

— 2 min read

New research in cancer genetics and gene therapy from Taiwan, Japan, and the United States has shed light on potential new treatments for the disease. A study from Taipei Medical University in Taiwan has reported on using molecular imaging to monitor the effectiveness of gene therapy in treating cancer. In another study, researchers from Loma Linda University in the United States found that combining endostatin gene therapy with radiation can enhance anti-tumor effects. Meanwhile, a study from Japan has demonstrated that histone deacetylase inhibition can enhance recombinant adeno-associated virus (rAAV)-mediated gene expression in tumor cells.

Key Takeaways:

  • Researchers from Taipei Medical University have developed a method using molecular imaging with I-123-FIAU, F-18-FUdR, F-18-FET, and F-18-FDG to monitor the effectiveness of gene therapy in treating cancer.
  • The study found that gamma-camera imaging with I-123-FIAU was the most reliable method for predicting tumor response to gene therapy, which was proportional to the magnitude of HSV1-tk expression in tumor tissue.
  • The use of endostatin gene therapy combined with radiation has been shown to enhance anti-tumor effects in a study conducted by researchers from Loma Linda University.
  • Histone deacetylase inhibition has been found to enhance recombinant adeno-associated virus (rAAV)-mediated gene expression in tumor cells in a study from Japan.
  • The study found that FR901228 treatment significantly improved the expression of the transgene in four cancer cell lines.
  • The use of histone deacetylase inhibitors may enhance the utility of rAAV-mediated transduction strategies for cancer gene therapy.

Statistics:

  • 47(7) J Nucl Med, 2006; the Journal of Nuclear Medicine publication observing the efficacy of SPECT with I-123-FIAU and PET with 5-F-18-fluoro-2'-deoxyuridine (F-18-FUdR), 2-F-18-fluoroethyl-L-tyrosine (F-18-FET), and F-18-FDG for monitoring tumor responses during prodrug activation gene therapy with HSV1-tk and GCV in this sarcoma model.
  • 135-146 Technol Cancer Res Treat, 2005; the Technology in Cancer Research & Treatment publication observing the effects of radiation and endostatin gene therapy in a lung carcinoma model: Pilot data on cells and cytokines that affect angiogenesis and immune status.
  • 738-746 Mol Ther, 2006; the Molecular Therapy publication demonstrating the enhancement of recombinant adeno-associated virus (rAAV)-mediated gene expression in tumor cells by histone deacetylase inhibitors.

Sources:

  • Wang, H.E., et al. Molecular imaging with I-123-FIAU, F-18-FUdR, F-18-FET, and F-18-FDG for monitoring herpes simplex virus type 1 thymidine kinase and ganciclovir prodrug activation gene therapy of cancer. J Nucl Med, 2006;47(7):1161-1171.
  • Luo, M., et al. Radiation and endostatin gene therapy in a lung carcinoma model: Pilot data on cells and cytokines that affect angiogenesis and immune status. Technol Cancer Res Treat, 2006;5(2):135-146.
  • Okada, T., et al. A histone deacetylase inhibitor enhances recombinant adeno-associated virus-mediated gene expression in tumor cells. Mol Ther, 2006;13(4):738-746.

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