Circulating IgA from acute stage of childhood Henoch-Schönlein purpura can enhance endothelial interleukin (IL)-8 production through MEK/ERK signalling pathway. - Yang, Y.-H.; Huang, Y.-H.; Lin, Y.-L.; Wang, L.-C.; Chuang, Y.-H.; Yu, H.-H.; Lin, Y.-T.; Chiang, B.-L. (Clinical & Experimental Immunology, 2006)