Adenovirus-Mediated Gene Therapy for Head and Neck Squamous Cell Carcinomas
- 1 July 1996
- journal article
- Published by SAGE Publications in Annals of Otology, Rhinology & Laryngology
- Vol. 105 (7) , 562-567
- https://doi.org/10.1177/000348949610500713
Abstract
Advanced head and neck squamous cell carcinomas (HNSCCs) have a poor prognosis despite aggressive multimodal therapy. The goal of our study was to test the feasibility of gene transduction as a novel therapy for head and neck cancer. Three human HNSCC cell lines were transduced in vitro with a replication-deficient recombinant adenovirus containing the lacZ marker gene (Ad2/CMVßgal). Gene transduction efficiency was dependent on multiplicity of infection, duration of exposure to the virus, and viral concentration. Next, the HEp-2 cell line was transduced with an adenoviral vector (Ad.RSV tk) containing the herpes simplex virus thymidine kinase (HSV tk) gene, which, when expressed, sensitizes transduced cells to ganciclovir (GCV). Subsequent administration of GCV resulted in complete rumor cell killing. These results suggest that adenovirus-mediated transfer of KSV tk and administration of GCV has potential as a new therapy for HNSCC.Keywords
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