Fig. 2.
Anti-angiogenic effect of first (FTB) and third (TTB) trimester trophoblast-conditioned medium (CM) on the vessel formation of the chicken chorioallantoic membrane (CAM). CAMs were treated with on-plants (silicone rings) containing FTB CM, TTB CM or control medium. TTB CM reduced the tertiary and quaternary vessels (white arrows). Per condition, four different eggs were treated, each performed with six on-plants. a Representative pictures of each condition immediately after application of the silicone ring on day 0 and at day 3 of the treatments are shown. b Data were scored on day 3 of the treatment