The presence of infiltrating human hemopoietic CD45+ cells (monoclonal rabbit anti-human CD45 antibody, 1:500, #ab40763; Abcam, Cambridge, UK) and T cells (XP® monoclonal rabbit anti-human CD3ε (D7A6E™), 1:300, #85061; Cell Signalling Technology® Danvers, MA, USA) in murine tissue was detected by immunohistochemistry (secondary Goat-anti-Rabbit IgG H&L (HPR) antibody, 1:1000, #ab 205718; Abcam, Cambridge, UK) and immunofluorescence (secondary Goat-anti-Rabbit IgG H&L (Alexa Fluor®) antibody, 1:6500, #111-585-003; Jackson Immunoresearch, West Grove, PA, USA) in Formalin-Fixed Paraffin-Embedded tissue blocks as previously described [16 (link),17 (link)].
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