IDE and Glucose intolerance: We detected eQTLs for genes known to carry functional variants contributing to glucose intolerance QTLs in the GK rat, including the inositol polyphosphate phosphatase-like 1 (Ship2 and Inppl1) and the insulin degradation enzyme (Ide) (Fakhrai-Rad et al., 2000; Marion et al., 2002).