Abstract
Application of tetrameric MHC class I-peptide complexes has significantly improved the monitoring of antigen-specific T cell immune responses in mouse models as well as in clinical studies. Especially MHC class I tetramer analysis of tumor-specific T cells in suspension or on thick vibratome sections from viable tissue has been proven extremely useful. Using the well-characterized mouse tyrosinase-related-protein-2 specific cytotoxic T cell (CTL) clone LP9, we now developed a method that allows for specific identification of T cells with MHC class I tetramers in 8 μm thick, chemically fixed cryosections. The protocol was validated in a murine influenza virus-infection model. Moreover, analysis of delayed type hypersensitivity (DTH) skin biopsies from melanoma patients vaccinated with peptide-loaded mature dendritic cells, revealed the presence and location of anti-tumor CTLs. The specificity of the CTLs detected in situ correlated with both the DTH challenge specificity and reactivity of cell suspensions derived from the same biopsies. Collectively, our data demonstrate that in situ MHC class I tetramer staining provides a valuable tool to reveal the presence and anatomical location of specific CTLs in frozen tissue following immune-based treatment strategies in cancer patients.
| Original language | English |
|---|---|
| Pages (from-to) | 1667-1676 |
| Number of pages | 10 |
| Journal | Cancer Immunology, Immunotherapy |
| Volume | 56 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - Oct 2007 |
| Externally published | Yes |
Bibliographical note
Funding Information:Acknowledgments We are grateful to F. A. Vyth-Dreese, K. Sche-pers H. Spits and T. Schumacher for providing precious material and for helpful suggestions. This study was supported by grants KUN 1995/1910, 1999/1950, 2000/2301, 2003/2893 and 2003/2917 from the Dutch Cancer Society and the TIL-foundation.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
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