Figure 3.

Formation of Caco-2 spheroids and their Dkk-3 expression. (A)

Spheroids formed by Caco-2 cells in Matrigel were observed by a bright field. (B) Sections of the spheroids were stained for Dkk-3 (in green). Nuclei were stained with DAPI (in blue). Scale bars: 100 µm.