Cell Culture Experimental Method (IMAGE) Kumamoto University Caption Human skin cells are treated with trypsin and then lactic acid bacteria is added to form cell clusters. Credit Associate Professor Kunimasa Ohta Usage Restrictions This image may only be used in conjunction with the accompanying release, or stories written about the work described in the release with reference to the original work. 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.