Breast Tumor Cells (IMAGE) Dartmouth Health Caption Mitochondria (red) are increased in ER+ breast tumor cells following estrogen deprivation-induced dormancy. Blue signal indicates cell nuclei. Credit Riley A. Hampsch, PhD Usage Restrictions With permission from Todd Miller, PhD. 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.