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Fragile histidine triad expression delays tumor development and induces apoptosis in human pancreatic cancer

K R Dumon1, H Ishii, A Vecchione

  • 1Kimmel Cancer Center, Thomas Jefferson University, Department of Surgery, Hospital of the University of Pennsylvania, Gene Therapy Center, Jefferson Medical College, Philadelphia, Pennsylvania 19107, USA.

Cancer Research
|June 19, 2001
PubMed

Insights

Fragile histidine triad (FHIT) gene therapy shows promise for pancreatic cancer. Viral FHIT gene delivery activates apoptosis, enhances cancer cell susceptibility to apoptosis inducers, and delays tumor growth in mice.

Area of Science:

  • Oncology
  • Gene Therapy
  • Molecular Biology

Background:

  • The fragile histidine triad (FHIT) gene functions as a tumor suppressor.
  • FHIT gene alterations, particularly deletions, are prevalent in human cancers, including pancreatic cancer.
  • Investigating FHIT gene therapy is crucial for developing novel pancreatic cancer treatments.

Purpose of the Study:

  • To assess the therapeutic potential of FHIT gene therapy for pancreatic cancer.
  • To develop and evaluate recombinant adenoviral and adenoassociated viral (AAV) FHIT vectors.
  • To determine the in vitro and in vivo efficacy of FHIT gene transfer against human pancreatic cancer.

Main Methods:

  • Development of recombinant adenoviral and AAV FHIT vectors.
  • In vitro testing of FHIT vectors on human pancreatic cancer cells.
  • In vivo evaluation of FHIT gene transfer in a murine model of pancreatic cancer.

Main Results:

  • Viral FHIT gene delivery induced apoptosis via caspase pathway activation in pancreatic cancer cells.
  • FHIT overexpression increased cancer cell sensitivity to external apoptosis inducers.
  • In vivo FHIT gene transfer significantly delayed tumor growth and extended survival in the murine model.

Conclusions:

  • FHIT gene therapy is a viable strategy for targeting pancreatic cancer.
  • Viral vector-mediated FHIT delivery effectively triggers apoptosis and inhibits tumor progression.
  • FHIT gene transfer offers a promising therapeutic approach for improving outcomes in pancreatic cancer patients.

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