Blocking JAK1 Signaling Slows AML Growth (IMAGE) Sanford Burnham Prebys Caption Blocking JAK1 signaling slowed the growth of acute myeloid leukemia (AML) cancer cells with the CALM-AF10 subtype (right)--compared to cancer cells that had JAK1 signaling (left). These findings indicate that existing JAK1 inhibitors may be a promising treatment option for this cancer. Credit Sanford Burnham Prebys 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.