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Syngeneic animal models of tobacco-associated oral cancer reveal the activity of in situ anti-CTLA-4

  • Zhiyong Wang
  • , Victoria H. Wu
  • , Michael M. Allevato
  • , Mara Gilardi
  • , Yudou He
  • , Juan Luis Callejas-Valera
  • , Lynn Vitale-Cross
  • , Daniel Martin
  • , Panomwat Amornphimoltham
  • , James Mcdermott
  • , Bryan S. Yung
  • , Yusuke Goto
  • , Alfredo A. Molinolo
  • , Andrew B. Sharabi
  • , Ezra E.W. Cohen
  • , Qianming Chen
  • , J. Guy Lyons
  • , Ludmil B. Alexandrov
  • , J. Silvio Gutkind
  • Moores Cancer Center
  • University of California, San Diego
  • University of California
  • Sanford Research/USD
  • National Institute of Dental and Craniofacial Research (NIDCR)
  • Walailak University
  • Division of Infectious Diseases, Department of Medicine, University of California, San Diego
  • State Key Laboratory of Oral Disease
  • University of Sydney
  • Royal Prince Alfred Hospital
  • Centenary Institute of Cancer Medicine and Cell Biology

Research output: Contribution to journalArticlepeer-review

148 Citations (Scopus)

Abstract

Head and neck squamous cell carcinoma (HNSCC) is the sixth most common cancer worldwide. Tobacco use is the main risk factor for HNSCC, and tobacco-associated HNSCCs have poor prognosis and response to available treatments. Recently approved anti-PD-1 immune checkpoint inhibitors showed limited activity (≤20%) in HNSCC, highlighting the need to identify new therapeutic options. For this, mouse models that accurately mimic the complexity of the HNSCC mutational landscape and tumor immune environment are urgently needed. Here, we report a mouse HNSCC model system that recapitulates the human tobacco-related HNSCC mutanome, in which tumors grow when implanted in the tongue of immunocompetent mice. These HNSCC lesions have similar immune infiltration and response rates to anti-PD-1 (≤20%) immunotherapy as human HNSCCs. Remarkably, we find that >70% of HNSCC lesions respond to intratumoral anti-CTLA-4. This syngeneic HNSCC mouse model provides a platform to accelerate the development of immunotherapeutic options for HNSCC.

Original languageEnglish
Article number5546
JournalNature Communications
Volume10
Issue number1
DOIs
Publication statusPublished - 1 Dec 2019
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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