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Ref Type Journal Article
PMID (25465125)
Authors Zhang L, Padron E, Lancet J
Title The molecular basis and clinical significance of genetic mutations identified in myelodysplastic syndromes.
Journal Leukemia research
Vol 39
Issue 1
Date 2015 Jan
URL
Abstract Text Myelodysplastic syndromes (MDS) are a heterogeneous cluster of clonal hematopoietic neoplasms manifested by peripheral cytopenias, lineage dysplasia, and a predisposition to acute myeloid leukemia. The pathophysiology of MDS has not been well illustrated. Nevertheless, studies have implicated the MDS phenotype in a broad spectrum of genetic abnormalities. In addition to the known numerical and structural chromosomal abnormalities, with novel genomic sequencing technologies, approximately 80% of MDS patients have been shown to harbor somatic or acquired gene mutations. The mutations have been found to be related to RNA slicing, transcription regulation, DNA methylation, histone modification, DNA repair/tumor suppressor, signal transduction, and the cohesion complex. The clinical significance of the majority of genetic events has been validated based on a large cohort study that identified mutations as predictors for risk stratification in MDS patients and biomarkers for potential targeted therapies. In this review, we describe all novel key mutations in MDS and their significance in pathophysiology and clinical practice.

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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
U2AF1 mutant myelodysplastic syndrome not applicable N/A Clinical Study Emerging In multiple clinical studies, the presence of U2AF1 mutations was associated with a trend toward risk of progression to acute myeloid leukemia, however, the prognostic significance of U2AF1 mutations is still unclear (PMID: 25465125, PMID: 22158538, PMID: 22389253). 22158538 22389253 25465125