▲ LN1, ♦ LN2, ● LN3, ◊ LN4, ○ LN5, □ LN6, ■ LN7. (A) Anti-RRP8 antibody, (B) anti-TNP1 antibody, (C) SLEDAI, (D) anti-dsDNA antibody, (E) C3, and (F) C4. The active and inactive phases of LN were defined as 4≤ and 0 of the renal SLEDAI score, respectively.