UASt regulatory sequences drive expression of an inverted repeat.
lethal, with Dcr-2UAS.cDa, Scer\GAL4elav.PLu
lethal, with Scer\GAL4tin.CΔ4
lethal - all die during larval stage, with Scer\GAL4Mef2.PR
Expression under the control of Scer\GAL4Mef2.PR results in late larval lethality.