This invention is in the area of regulatory DNA sequences and their methods of use. Specifically, DNA sequences found in the regulatory region of cytoprotective genes are described that are termed cytoprotective response elements. DNA constructs also are provided that include cytoprotective response elements operably linked to heterologous protein coding sequence, as well as cells and non-human organisms that include the cytoprotective response elements optionally operably linked to a heterologous protein coding sequence, and a method for screening for a compound that increases mRNA or protein regulated by a cytoprotective response element. It has been discovered that the cytoprotective response elements mediate the coordinate activation of certain genes that protect cells from damaging effects of oxidative stress, and that they do so, for example during conditions of hemodynamic shear stress.
本发明涉及调节性DNA序列及其使用方法。具体地,描述了在细胞保护
基因的调节区域中发现的DNA序列,称为细胞保护响应元素。还提供了包括细胞保护响应元素与异源蛋白编码序列可操作链接的DNA构建物,以及包括细胞保护响应元素(可选择性地与异源蛋白编码序列可操作链接)的细胞和非人类
生物,以及一种筛选增加由细胞保护响应元素调节的mRNA或蛋白质的化合物的方法。发现细胞保护响应元素介导了某些
基因的协同激活,这些
基因保护细胞免受氧化应激的损害,例如在血流动力剪切的条件下。