Longitudinal confocal microscopy imaging of solid tumor destruction following adoptive T cell transfer

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Longitudinal confocal microscopy imaging of solid tumor destruction following adoptive T cell transfer

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Title: Longitudinal confocal microscopy imaging of solid tumor destruction following adoptive T cell transfer
Author: Schietinger, Andrea; Arina, Ainhoa; Liu, Rebecca B; Wells, Sam; Huang, Jianhua; Engels, Boris; Bindokas, Vytas; Bartkowiak, Todd; Lee, David; Herrmann, Andreas; Piston, David W; Pittet, Mikael J; Lin, P Charles; Zal, Tomasz; Schreiber, Hans

Note: Order does not necessarily reflect citation order of authors.

Citation: Schietinger, A., A. Arina, R. B. Liu, S. Wells, J. Huang, B. Engels, V. Bindokas, et al. 2013. “Longitudinal confocal microscopy imaging of solid tumor destruction following adoptive T cell transfer.” Oncoimmunology 2 (11): e26677. doi:10.4161/onci.26677. http://dx.doi.org/10.4161/onci.26677.
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Abstract: A fluorescence-based, high-resolution imaging approach was used to visualize longitudinally the cellular events unfolding during T cell-mediated tumor destruction. The dynamic interplay of T cells, cancer cells, cancer antigen loss variants, and stromal cells—all color-coded in vivo—was analyzed in established, solid tumors that had developed behind windows implanted on the backs of mice. Events could be followed repeatedly within precisely the same tumor region—before, during and after adoptive T cell therapy—thereby enabling for the first time a longitudinal in vivo evaluation of protracted events, an analysis not possible with terminal imaging of surgically exposed tumors. T cell infiltration, stromal interactions, and vessel destruction, as well as the functional consequences thereof, including the elimination of cancer cells and cancer cell variants were studied. Minimal perivascular T cell infiltrates initiated vascular destruction inside the tumor mass eventually leading to macroscopic central tumor necrosis. Prolonged engagement of T cells with tumor antigen-crosspresenting stromal cells correlated with high IFNγ cytokine release and bystander elimination of antigen-negative cancer cells. The high-resolution, longitudinal, in vivo imaging approach described here will help to further a better mechanistic understanding of tumor eradication by T cells and other anti-cancer therapies.
Published Version: doi:10.4161/onci.26677
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3895414/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:11879617
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