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Cdx4 Dysregulates Hox Gene Expression And Generates Acute Myeloid Leukemia Alone And In Cooperation With Meis1a In A Murine Model, Dimple Bansal, Claudia Scholl, Stefan Frohling, Elizabeth Mcdowell, Benjamin H. Lee, Konstanze Döhner, Patricia Ernst

Dartmouth Scholarship

HOX genes have emerged as critical effectors of leukemogenesis, but the mechanisms that regulate their expression in leukemia are not well understood. Recent data suggest that the caudal homeobox transcription factors CDX1, CDX2, and CDX4, developmental regulators of HOX gene expression, may contribute to HOX gene dysregulation in leukemia. We report here that CDX4 is expressed normally in early hematopoietic progenitors and is expressed aberrantly in approximately 25% of acute myeloid leukemia (AML) patient samples. Cdx4 regulates Hox gene expression in the adult murine hematopoietic system and dysregulates Hox genes that are implicated in leukemogenesis. Furthermore, bone marrow progenitors that …

Oncolog Volume 51, Number 04, April 2006, Sunni Hosemann, Martha Morrison, Therese B. Bevers Md

OncoLog MD Anderson's Report to Physicians (All issues)

• Redefining Unresectable Disease: Strategies for Treating Liver Metastases from Colorectal Cancer
• Cancer Screening Guidelines Revised: One on One with Dr. Therese Bevers
• House Call; What Is "Breast Self-Awareness"?
• DiaLog: The Revolutionary Cervical Cancer Vaccine, by Therese B. Bevers, MD, Medical Director, Cancer Prevention Center

Waldenstrom's Macroglobulinemia Terminating In Acute Myeloid Leukemia, Safoorah Khalid, Salman Adil, Mohammad Khurshid

Department of Pathology and Laboratory Medicine

Waldenstrom's macroglobulinemia (WM) is a rare condition, accounting for approximately 2% of haematologic malignancies. The most common causes of death in these patients are progression of the malignant lymphoproliferative process, infection and cardiac failure. Acute leukemia is a rare event in the clinical course of WM. A number of case reports have documented the development of terminal acute leukemia in patients with WM following prolonged chemotherapy.