Researchers Found a Possible New Treatment for Aggressive Triple Receptor-Negative Breast Cancer (image) University of Freiburg Share Print E-Mail Caption This is a breast cancer stem cell line 1 (BCSC1) from the newly established cell model. Here we can see the proteins keratin 5 in green and keratin 8 in red, with the nucleus in blue. Credit Source: Maurer Lab Usage Restrictions None Share Print E-Mail 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.