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Flow cytometry, enzyme-linked immunospot (ELISpot) and cellular cytotoxicity assays are powerful tools for studying the cellular immune response towards intracellular pathogens and vaccines in livestock species. Lymphocytes from immunized animals can be purified using Ficoll-Paque density gradient centrifugation and evaluated for their antigen specificity or reactivity towards a vaccine. Here, we describe staining of bovine lymphocytes with peptide (p)-MHC class I tetramers and antibodies specific towards cellular activation markers for evaluation by multiparametric flow cytometry, as well as interferon (IFN)-γ ELISpot and cytotoxicity using chromium ((51)Cr) release assays. A small component on the use of immunoinformatics for fine-tuning the identification of a minimal CTL epitope is included.

Citation

Nicholas Svitek, Evans L N Taracha, Rosemary Saya, Elias Awino, Vishvanath Nene, Lucilla Steinaa. Analysis of the Cellular Immune Responses to Vaccines. Methods in molecular biology (Clifton, N.J.). 2016;1349:247-62

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PMID: 26458841

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