Skin Lacking COL17 vs. Control Skins (IMAGE) Hokkaido University Caption Neonatal mice (postnatal day 1) lacking COL17 showed epidermal hyper proliferation and thickened skin (right panels) compared to control skins (left panels). Different staining methods are applied in the upper panels and the lower panels. Scale bar: 20μm. Credit Watanabe M., et al. eLIFE, July 11, 2017. Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.