... distinct C4A an d C4B isoforms [8]. Thecomplement system is the main element of innate immu-nity and is regarded as the first line of defense againstintrinsic and extrinsic antigens, leading ... SM, Lv YM,Shen M, Jiang HQ, Wang Y, Li K, Kang XJ, Liu YQ, Sun L, Liu ZF, Xie SQ,Zhu CY, Xu Q, Gao JP, Hu WL, Ni C, Pan TM, Yao S, He CF, Liu YS, Yu ZY,Yin XY, Zhang FY, Yang S, Zhou Y, Zhang ... Biotechnology, Asia University, Taichung, Taiwan.5Division of Endocrinology and Metabolism, Department of Medicine, China MedicalUniversity Hospital, Taichung, Taiwan.6Department of Endocrinology and Metabolism,...