| Type | MGI:General | Description | in males, dysplastic phenotype is largely restricted to the ventral skin; dorsal skin is only mildly affected females homozygous for Tg(KRT14-rtTA)208Jek display focal changes including cystic follicles and mild changes in the adjacent interfollicular epithelium after 4 weeks of induction delayed squamous epithelium maturation is observed after 3-4 weeks of doxycycline treatment in males |