(IMAGE) Université de Genève Caption IL-38 forms condensates in human epidermis. Immunostaining of the IL-38 protein (red) in human epidermis from a healthy donor revealed granular structures that are more intense in the layer of living keratinocytes that is most exposed to air. Nuclei are stained in blue. Credit © Alejandro Diaz-Barreiro Usage Restrictions none License Original 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.