Acute barrier perturbation abolishes the Ca2+ and K+ gradients in murine epidermis: quantitative measurement using PIXE.Theodora M. Mauro, Gary Bench, E Sidderas-Haddad, Kenneth R. Feingold, Peter M Elias, Chris CullanderThe Journal of investigative dermatology1998Epidermal permeability barrier homeostasis requires the delivery of lipids and hydrolytic enzymes by lamellar body exocytosis from the uppermost granular cells, a process that is upregulated… (More)