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Ref Type Journal Article
PMID (19171880)
Authors Wouters BJ, Lowenberg B, Erpelinck-Verschueren CA, van Putten WL, Valk PJ, Delwel R
Title Double CEBPA mutations, but not single CEBPA mutations, define a subgroup of acute myeloid leukemia with a distinctive gene expression profile that is uniquely associated with a favorable outcome.
Journal Blood
Vol 113
Issue 13
Date 2009 Mar 26
URL
Abstract Text Mutations in CCAAT/enhancer binding protein alpha (CEBPA) are seen in 5% to 14% of acute myeloid leukemia (AML) and have been associated with a favorable clinical outcome. Most AMLs with CEBPA mutations simultaneously carry 2 mutations (CEBPA(double-mut)), usually biallelic, whereas single heterozygous mutations (CEBPA(single-mut)) are less frequently seen. Using denaturing high-performance liquid chromatography and nucleotide sequencing, we identified among a cohort of 598 newly diagnosed AMLs a subset of 41 CEBPA mutant cases (28 CEBPA(double-mut) and 13 CEBPA(single-mut) cases). CEBPA(double-mut) associated with a unique gene expression profile as well as favorable overall and event-free survival, retained in multivariable analysis that included cytogenetic risk, FLT3-ITD and NPM1 mutation, white blood cell count, and age. In contrast, CEBPA(single-mut) AMLs did not express a discriminating signature and could not be distinguished from wild-type cases as regards clinical outcome. These results demonstrate significant underlying heterogeneity within CEBPA mutation-positive AML with prognostic relevance.

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Molecular Profile Treatment Approach
Gene Name Source Synonyms Protein Domains Gene Description Gene Role
Therapy Name Drugs Efficacy Evidence Clinical Trials
Drug Name Trade Name Synonyms Drug Classes Drug Description
Gene Variant Impact Protein Effect Variant Description Associated with drug Resistance
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
CEBPA mutant acute myeloid leukemia not applicable N/A Clinical Study Prognostic In clinical analyses, biallelic CEBPA mutations were associated with favorable clinical outcome in patients with cytogenetically normal acute myeloid leukemia (PMID: 26601784, PMID: 19171880, PMID: 20038735, PMID: 22915647). 22915647 26601784 19171880 20038735