The effects of cultured supernatant of fibroblast from psoriatic lesion or normal skin on keratinocytes were determined by MTT colorimetric methods.

• 结果 银屑病成纤维细胞培养上清培养的角质形成细胞的增殖活性高于正常人成纤维细胞培养上清组和无血清培养的角质形成细胞。