Deficient CEBPA DNA binding function in normal karyotype AML patients is associated with favorable prognosis

Fos, José; Pabst, Thomas; Petkovic, Vibor; Ratschiller, Daniel; Mueller, Beatrice U (2011). Deficient CEBPA DNA binding function in normal karyotype AML patients is associated with favorable prognosis. Blood, 117(18), pp. 4881-4. Washington, D.C.: American Society of Hematology 10.1182/blood-2010-11-320747

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CCAAT/enhancer binding protein-α (CEBPA) mutations in acute myeloid leukemia (AML) patients with a normal karyotype (NK) confer favorable prognosis, whereas NK-AML patients per se are of intermediate risk. This suggests that blocked CEBPA function characterizes NK-AML with favorable outcome. We determined the prognostic significance of CEBPA DNA binding function by enzyme-linked immunosorbent assay in 105 NK-AML patients. Suppressed CEBPA DNA binding was defined by 21 good-risk AML patients with inv(16) or t(8;21) (both abnormalities targeting CEBPA) and 8 NK-AML patients with dominant-negative CEBPA mutations. NK-AML patients with suppressed CEBPA function showed a better overall survival (P = .0231) and disease-free survival (P = .0069) than patients with conserved CEBPA function. Suppressed CEBPA DNA binding was an independent marker for better overall survival and disease-free survival in a multivariable analysis that included FLT3-ITD, NPM1 and CEBPA mutation status, white blood cell count, age and lactate dehydrogenase. These data indicate that suppressed CEBPA function is associated with favorable prognosis in NK-AML patients.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > Department of Haematology, Oncology, Infectious Diseases, Laboratory Medicine and Hospital Pharmacy (DOLS) > Clinic of Medical Oncology 04 Faculty of Medicine > Department of General Internal Medicine (DAIM) > Clinic of General Internal Medicine > Centre of Competence for General Internal Medicine
UniBE Contributor:	Pabst, Thomas Niklaus, Fos Trigas, José
ISSN:	0006-4971
Publisher:	American Society of Hematology
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 14:11
Last Modified:	02 Mar 2023 23:20
Publisher DOI:	10.1182/blood-2010-11-320747
PubMed ID:	21389317
Web of Science ID:	000290275700032
URI:	https://boris.unibe.ch/id/eprint/2215 (FactScience: 204509)