Metastatic Breast Cancer Cells (IMAGE) La Trobe University Caption Metastatic breast cancer cells: resting (left) and BMP4 treated (right). Credit Olivia Newton-John Cancer Research Institute Usage Restrictions None 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.