MAPK7 and diabetic kidney disease: Activation of ERK5 by drugs such as statins may have therapeutic potential in alleviating conditions where endothelial cell barrier formation is compromised such as drug‐induced cardiac injury (Wilkinson et al., 2016), arterial hypertension (Laine, 1988), sepsis (Rachoin, Cerceo, & Dellinger, 2013), and diabetic nephropathy (Peng et al., 2013).