title: Heritable GATA2 mutations associated with familial AML-MDS: a case report and review of literature.
abstract: A 50-year-old woman was diagnosed with acute myeloid leukemia (AML). She has history of thrombocytopenia for 25 years and a significant family history of thrombocytopenia, affecting her mother, siblings and their children, as well as her own children. Both her mother and maternal aunt died from myelodysplastic syndrome (MDS). Additional genetic analysis was performed and identified two heterozygous missence mutations in the second zinc finger domain of GATA2 gene (p.Thr358Lys, and p.Leu359Val), occurring in cis on the same allele. Given the patient's family history and clinical manifestation, this was interpreted as an acute myeloid leukemia with heritable GATA2 mutations associated with familial AML-MDS. Germline GATA2 mutations are involved in a group of complex syndromes with overlapping clinical features of immune deficiency, lymphedema and propensity to acute myeloid leukemia or myelodysplastic syndrome (AML-MDS). Here we reported a case of familial AML-MDS with two novel GATA2 mutations. This case illustrates the importance of recognizing the clinical features for this rare category of AML-MDS and performing the appropriate molecular testing. The diagnosis of heritable gene mutations associated familial AML-MDS has significant clinical implication for the patients and affected families. Clinical trials are available to further investigate the role of allogeneic hematopoietic stem cell transplant in managing these patients.
authors.affiliation: Department of Pathology, Northwestern University Feinberg School of Medicine, 251 E, Huron Street, Chicago, IL 60611, USA. j-gao@northwestern.edu.
authors.forename: Juehua
authors.initials: J
authors.lastname: Gao
authors.forename: Ryan D
authors.initials: RD
authors.lastname: Gentzler
authors.forename: Andrew E
authors.initials: AE
authors.lastname: Timms
authors.forename: Marshall S
authors.initials: MS
authors.lastname: Horwitz
authors.forename: Olga
authors.initials: O
authors.lastname: Frankfurt
authors.forename: Jessica K
authors.initials: JK
authors.lastname: Altman
authors.forename: LoAnn C
authors.initials: LC
authors.lastname: Peterson
mesh_terms: D000208:Acute Disease; D001483:Base Sequence; D004252:DNA Mutational Analysis; D005192:Family Health; D005260:Female; D050989:GATA2 Transcription Factor / Q000235:genetics*; D006579:Heterozygote; D006801:Humans; D007621:Karyotyping; D007951:Leukemia, Myeloid / Q000235:genetics*; D008875:Middle Aged; D020125:Mutation, Missense; D009190:Myelodysplastic Syndromes / Q000235:genetics*
chemical_list: D050989:GATA2 Transcription Factor
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