Until recently, researchers had little understanding of the causes of this multipronged assault.But clues from varied lines of research are beginning to clarify the underlying molecular events.

• 研究人员并不清楚免疫系统这种扫射攻击的原因，但从最近各种研究提供的线索，我们开始了解狼疮在分子层次所发生的事情。