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Representative pictures of TIGIT staining in human tonsils by multiplex immunohistochemistry in combination with (a) CD4, (b) CD8, (c) FOXP3, (d) CD56, (e) CD11c, and (f) CD68. (g) Bright field image and (h) fluorescence photograph showing TIGIT staining at the periphery of the germinal centre. Note the orientation of the stained cells towards the loosened epithelium of the tonsil (arrowhead).
