- Allelic loss of IRF1 in myelodysplasia and acute myeloid leukemia: retention of IRF1 on the 5q- chromosome in some patients with the 5q- syndrome. Boultwood, J., Fidler, C., Lewis, S., MacCarthy, A., Sheridan, H., Kelly, S., Oscier, D., Buckle, V.J., Wainscoat, J.S. Blood (1993)