SLC2A4 and Glucose intolerance: Notably, Zdhhc7 KO mice exhibited significant hyperglycemia and glucose intolerance phenotypes, a finding that not only confirms the central role of the ZDHHC7-Glut4 pathway in glucose metabolism regulation but also suggests that the defective palmitoylation of Glut4 may be an important link in the pathogenesis of diabetic hyperglycemia (232).