Bone Marrow (image) University of California - Los Angeles Health Sciences Share Print E-Mail Caption Following radiation, the bone marrow shows nearly complete loss of blood cells in mice (left). Mice treated with the PTP-sigma inhibitor displayed rapid recovery of blood cells (purple, right). Credit UCLA Broad Stem Cell Research Center/Nature Communications 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.