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Publication Detail
Molecular Signatures of Regression of the Canine Transmissible Venereal Tumor
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Frampton D, Schwenzer H, Marino G, Butcher LM, Pollara G, Kriston-Vizi J, Venturini C, Austin R, de Castro KF, Ketteler R, Chain B, Goldstein RA, Weiss RA, Beck S, Fassati A
  • Publication date:
    09/04/2018
  • Journal:
    Cancer Cell
  • Status:
    Accepted
  • Print ISSN:
    1535-6108
Abstract
© 2018 The Author(s) The canine transmissible venereal tumor (CTVT) is a clonally transmissible cancer that regresses spontaneously or after treatment with vincristine, but we know little about the regression mechanisms. We performed global transcriptional, methylation, and functional pathway analyses on serial biopsies of vincristine-treated CTVTs and found that regression occurs in sequential steps; activation of the innate immune system and host epithelial tissue remodeling followed by immune infiltration of the tumor, arrest in the cell cycle, and repair of tissue damage. We identified CCL5 as a possible driver of CTVT regression. Changes in gene expression are associated with methylation changes at specific intragenic sites. Our results underscore the critical role of host innate immunity in triggering cancer regression. By analyzing serial biopsies of vincristine-treated canine transmissible venereal tumors, Frampton et al. show that tumor regression occurs in sequential steps involving the activation of the innate immune system and immune infiltration of the tumor, and they identify CCL5 as a possible driver of regression.
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Research Department of Cancer Bio
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Div of Infection & Immunity
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Div of Infection & Immunity
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Div of Infection & Immunity
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MRC/UCL Lab for Molecular Cell Bio
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MRC/UCL Lab for Molecular Cell Bio
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Div of Infection & Immunity
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