ELISA for (a) BMP4, (b) IL-6, (c) MMP-1, and (d) ANG-2 in supernatant of HMVEC-L infected with HHV-8 via co-culture technique as compared with cells exposed to conditioned media (CM) and untreated cells (media alone). Time points assayed were 72 hours, Day 10, Day 15, and Day 20 after exposure to virus or CM. δ indicates P < 0.05 (two-way ANOVA) *P < 0.05 (post-test infection versus untreated).