Immunotherapy using allogeneic squamous cell tumor-dendritic cell fusion hybrids

Walter T. Lee, Chunrui Tan, Gary Koski, Suyu Shu, Peter Cohen

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Background Tumor-associated antigens (TAAs) are known to be immunotherapy targets; thus tumor-sharing TAA may be used as a fusion hybrid partner to confer protection against subsequent tumor challenge. Methods The squamous cell carcinomas (SCCs), SCCVII and B4B8, were used in C3H/HEN mice: SCCVII (H-2 k) is syngeneic, B4B8 (H-2d) is allogeneic. Experiments using tumor alone included hyperimmunization schedule, subdermal and intranodal routes. Mice were challenged 2 weeks later. Fusion hybrids were created from both SCC tumor cell lines and syngeneic dendritic cells (DCs). These were delivered intranodally for immunization, and mice were challenged with tumor 2 weeks later. Results Only syngeneic tumor given subdermally was able to protect after tumor challenge 2 weeks later. Hyperimmunization schedule did not alter these findings. However, fusion hybrid immunization from both allogeneic and syngeneic SCCs conferred protection after tumor challenge. Conclusions Allogeneic tumor-DC fusion hybrids targeting TAA can protect against subsequent tumor challenge.

Original languageEnglish (US)
Pages (from-to)1209-1216
Number of pages8
JournalHead and Neck
Volume32
Issue number9
DOIs
StatePublished - Sep 1 2010

Keywords

  • dendritic cell
  • fusion hybrid
  • immunotherapy
  • squamous cell carcinoma
  • vaccine

ASJC Scopus subject areas

  • Otorhinolaryngology

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