Keratinocytes cell division (IMAGE) University of Zurich Caption In inflamed skin keratinocytes with the receptor for interleukin-12 (left) divide less than keratinocytes without this receptor (right). Red: cells during division, blue: cell nuclei, white line: epidermis (outermost skin layer consisting of keratinocytes). Credit University of Zurich 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.