FLI1 and Thrombocytopenia: Thrombocytopenia in patients with 11q23 deletion syndrome was determined to be associated with the hemizygous loss of the friend leukemia integration 1 transcription factor (FLI1), which is located in the 11q23 chromosome band and appears to be involved in early hematopoietic, megakaryopoietic, and vascular development [2, 3].