SLE had higher frequency of ACE DD genotype and D allele than that of normal controls, SLE group with clinical renal lesion also had higher frequency of ACE DD genotype and D allele than the SLE group without clinical renal lesion.

• ACE基因DD型和D等位基因分布频率SLE组明显高于正常对照组，临床有肾脏受累表现的SLE组明显高于临床无肾脏受累表现的SLE组。