Fig. 2

Purification of guinea pig EC cells from the colon. (a) bright field image of two primary EC cells in culture, (b) fluorescent image of the nuclear stain, DAPI, (c) 5-HT labelling, (d) merged image of 5-HT staining and DAPI. Scale bar = 4 μm. (e) Percentage of 5-HT positive cells in our cultures (n = 3 independent cell cultures)