Methods:Levels of MMP-2 and MMP-9 in sera were measured by double antibody sandwich enzyme-linked immunosorbent assay(ELISA) in patients with psoriasis vulgaris before and after treatment and normal controls.

• 方法:采用双抗体夹心酶联免疫技术(ELISA)检测45例寻常型银屑病患者治疗前、中及治疗后血清中MMP-2和MMP-9水平。 另检测30例正常人血清中的MMP-2和MMP-9水平作为对照组。