Images of Elastin in Skin Tissues (IMAGE) University of California - San Diego Caption Images of skin sections from wild-type mice (left) and mice genetically engineered to develop skin fibrosis (right). The skin sections were stained for elastin (green), which is present in much higher levels in the fibrotic skin tissues, and keratin (red). Credit UC San Diego and IFOM-inSTEM Usage Restrictions Please credit UC San Diego and IFOM-inSTEM 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.