RHOA and asthma: To investigate the functional significance of RhoA upregulation in the airway epithelium in asthma, we deleted RhoA from type II alveolar airway epithelium (AT2) by crossing a floxed RhoA mouse (RhoAfl/fl) with a Sftpc-cre mouse (Supplemental Figure 1A; supplemental material available online with this article; https://doi.org/10.1172/jci.insight.148147DS1).