Fig. 2.

Morphological changes induced in human epidermal CD1a⁺ LC by IL-1β. Epidermal sheets were prepared from volunteer g (Fig. 1) 4 h following intradermal administration of (a) saline, or (b) 50 U IL-1β and stained by indirect immunofluorescence for CD1a expression. Scale bar: 150 µm.