Fig. 3.
Photomicrographs of M1 and M1Egr-1 colonies in soft agar. Representative photomicrographs (original magnification × 100) of M1 and M1Egr-1 colonies 7 days after the cells were seeded in soft agar, in the absence or presence of IL-6. The number of colonies for the different cell types is presented in Table 2.