ATO treatment down-regulated circHIPK3 in RA-FLS, with a stronger decrease under TNF-α induction. The study linked this suppression to reduced FOXO1/VEGF expression and antiangiogenic effects in RA-FLS.
Angiogenesis is Inhibited by Arsenic Trioxide Through Downregulation of the CircHIPK3/miR-149-5p/FOXO1/VEGF Functional Module in Rheumatoid Arthritis.