ANGPTL3 and polyarteritis nodosa: The expression level of ANGPTL3 increased significantly after 24 h or 48 h of PAN treatment and peaked at 24 h (Fig. 3C, Supplementary Fig. S6), while 5E5F6 mAb reversed the effect of PAN-induced ANGPTL3 expression (Fig. 3D, Supplementary Fig. S6).