目的：检测银屑病信号转导和转录激活因子-3（PSTAT3）和血管内皮生长因子（VEGF）在寻常型银屑病皮损中的表达。

Objective: To investigate the expression of PSTAT3 and vascular endothelial growth factor (VEGF) in psoriasis vulgaris and their relationship.

youdao

They're sometimes called transcription factors and this is an example of a transcription factor that is itself activated or turned on by the presence of a steroid.

它们被称为转录因子,转录因子的一个例子就是,能够自激活或被激素激活

耶鲁公开课 - 生物医学工程探索课程节选