The administration of IL-12/GM-CSF and Ig-4-1BB ligand markedly decreases murine floor of mouth squamous cell cancer

Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
Nithin D AdappaEdward J Shin

Abstract

To assess immune-based gene therapy in a murine floor of mouth (FOM) squamous cell carcinoma (SCC) model. In vitro and in vivo testing of immune therapy for SCC. Multiple SCC lines were infected by using advRSV-interleukin-12 (IL-12) and advCMV-interleukin-12/granulocyte macrophage colony-stimulating factor (IL-12/GM-CSF) and monitored for production of IL-12 and GM-CSF. Intratumoral injections of viral vectors were administered with systemic Ig-4-1BB ligand in an orthotopic murine FOM SCC model and followed for tumor size and survival. In vitro, all cell lines produced substantial levels of IL-12 and GM-CSF. In vivo, tumors treated with advCMV-IL-12/GM-CSF and Ig-4-1BBL showed a striking reduction in tumor volume (vs control P<0.0001) and improved median survival (38 days vs 19 days for control, P<0.0001). Combination immune-based therapies effectively improve survival in mice bearing FOM SCC over single-modality therapy.

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Citations

Jun 25, 2015·Frontiers in Oncology·Todd Bartkowiak, Michael A Curran
Sep 8, 2010·The Journal of International Medical Research·L TianJ Ren
Jun 4, 2016·Journal of Leukocyte Biology·Anna E VilgelmAnn Richmond

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Datasets Mentioned

BETA
GM-CSF

Methods Mentioned

BETA
enzyme-linked immunosorbent assay
ELISA

Software Mentioned

GraphPad
Graph Pad Prism

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