(IMAGE) Tokyo Medical and Dental University Caption Some soluble factors are identified as binding with a niche mimicry of cancer stem cells, whose expression have significant correlations with patients' prognosis. Credit Department of Stem Cell Regulation, TMDU 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.