UM171 Molecule Links Blood Stem Cells to Childhood Brain Tumors

Researchers at Lund University found that the molecule UM171 acts through the KBTBD4 protein to break down the CoREST complex, mimicking mutations seen in a subgroup of aggressive childhood brain tumors. A drug screen identified already-approved HDAC inhibitors that counteracted the mutation's effects, though testing on medulloblastoma tumors is still needed.

• UM171 disrupts CoREST via KBTBD4, mirroring mutations in childhood tumors
• The molecule's effect is temporary; mutations cause lasting CoREST shortage
• A drug screen flagged HDAC inhibitors that counteracted the mutations
• Experiments used blood stem cells, not medulloblastoma tumors