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Publications (4)

  • Mindy R Figures · Jayakar V Nayak · Carl Gable · Alexander G Chiu
    Article · Jul 2010 · Otolaryngology Head and Neck Surgery
  • Mindy R Figures · Jessie Wobb · Koji Araki · [...] · Daqing Li
    [Show abstract] [Hide abstract] ABSTRACT: The current treatment for advanced head and neck squamous cell carcinoma continues to result in poor outcomes. The purpose of this study is to investigate the benefit of fibroblast growth factor 2-targeted adenovirus-mediated mutant-Rad50 (FGF2-Ad-Rad50) gene transfer in enhancing chemosensitization for head and neck squamous cell carcinoma and reducing chemotoxicity. Randomized controlled laboratory study. University of Pennsylvania, Philadelphia, PA. Human head and neck squamous cell carcinoma tumor cells and a mouse model with human head and neck squamous cell carcinoma were used for this study. There were five mice in each study group. FGF2-fab' molecule was conjugated with an adenoviral mutant-Rad50 construct. FGF2-targeted transgene expression efficiency was evaluated in vitro. Tumor cytotoxicity and growth inhibition were examined after combined FGF2-Ad-Rad50 with cisplatin treatment in vitro and in vivo. Anti-tumor mechanisms were investigated. FGF2-targeted gene transfer approach significantly improved transgene expression in head and neck squamous cell carcinoma tumor cells over a nontargeted approach (207.51+/-33.62 vs 51.44+/-8.28, respectively). FGF2-Ad-Rad50 with cisplatin demonstrated a superior tumor suppression effect (264.5+/-124.1 mm3 vs 567.1+/-267.6 mm3), increased DNA double-strand breaks (1349+/-51.67 vs 774+/-28.56), and anti-angiogenesis (%ROI: 0.76%+/-0.38% vs 2.10%+/-1.66%) in tumor cells over nontargeted adenovirus. Combination of FGF2-Ad-Rad50 with cisplatin significantly improves anti-tumor effect by targeting DNA repair systems and tumor angiogenesis. The great benefit of this strategy supports clinical trial for novel treatment of head and neck squamous cell carcinoma.
    Article · Sep 2009 · Otolaryngology Head and Neck Surgery
  • Mindy R. Figures · Koji Araki · Daqing Li · [...] · Lei Xu
    Article · Sep 2009 · Otolaryngology Head and Neck Surgery
  • Mindy R. Figures · Jessie Wobb
    Article · Jan 2009