DST and epidermolysis bullosa simplex: Differences in EBS symptoms between FSD and previous models which included DM, together with unanticipated phenotypes in FSD mice with Lamc2jeb/jeb (FSD+jeb), provide evidence for a second rodless epithelial dystonin, Dst-eS/Bpag1eS [32], which differs in function from Dst-e.