The DNA helicase RECQL4 is known for its roles in DNA replication and repair. RECQL4 mutations cause several genetic disorders including Rothmund-Thomson syndrome (RTS). characterized by developmental defects and predisposition to osteosarcoma. Here we reprogrammed fibroblasts with a heterozygous RECQL4 mutation (c. https://www.alarecre.com/American-Flag-Color-Block-iPhone-14-Waterproof-Case-p12619/