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Stem cell based gene therapy in prostate cancer

Jae Heon Kim1, Hong Jun Lee2, Yun Seob Song1

  • 1Department of Urology, Soonchunhyang University, College of Medicine, Soonchunyang University Hospital, Seoul 140-743, Republic of Korea.

Biomed Research International
|August 15, 2014
PubMed

Insights

Stem cell-based suicide gene therapy offers a safer alternative to traditional prostate cancer treatments by targeting cancer cells and minimizing systemic toxicity. This approach utilizes genetically engineered stem cells to deliver therapeutic agents directly to tumors.

Area of Science:

  • Oncology
  • Gene Therapy
  • Stem Cell Biology

Background:

  • Current prostate cancer treatments, particularly for hormone-refractory cases, often involve cytotoxic agents with significant adverse effects.
  • Classic suicide gene therapy, while targeting cancer cells, can cause immune compromise due to viral vectors.

Purpose of the Study:

  • To review the mechanisms and limitations of stem cell-based suicide gene therapy for prostate cancer.
  • To explore stem cells as advanced cellular vectors for targeted cancer treatment.

Main Methods:

  • Review of existing literature on stem cell-mediated gene therapy for prostate cancer.
  • Analysis of various prodrug systems employed with stem cells, including cytosine deaminase/5-fluorocytosine and herpes simplex virus thymidine kinase/ganciclovir.

Main Results:

  • Stem cells, particularly mesenchymal and neural stem cells, exhibit homing effects beneficial for targeted cancer therapy.
  • Stem cell-based suicide gene therapy activates prodrugs within the tumor mass, reducing systemic toxicity and potentially eliminating resistant cancer cells and therapeutic stem cells.

Conclusions:

  • Genetically engineered stem cells represent a promising and safer platform for prostate cancer gene therapy.
  • Further research is needed to fully elucidate the mechanisms and overcome the limitations of stem cell-based approaches in prostate cancer treatment.

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