Abstract:
:We report germline missense mutations in ETV6 segregating with the dominant transmission of thrombocytopenia and hematologic malignancy in three unrelated kindreds, defining a new hereditary syndrome featuring thrombocytopenia with susceptibility to diverse hematologic neoplasms. Two variants, p.Arg369Gln and p.Arg399Cys, reside in the highly conserved ETS DNA-binding domain. The third variant, p.Pro214Leu, lies within the internal linker domain, which regulates DNA binding. These three amino acid sites correspond to hotspots for recurrent somatic mutation in malignancies. Functional studies show that the mutations abrogate DNA binding, alter subcellular localization, decrease transcriptional repression in a dominant-negative fashion and impair hematopoiesis. These familial genetic studies identify a central role for ETV6 in hematopoiesis and malignant transformation. The identification of germline predisposition to cytopenias and cancer informs the diagnosis and medical management of at-risk individuals.
journal_name
Nat Genetjournal_title
Nature geneticsauthors
Zhang MY,Churpek JE,Keel SB,Walsh T,Lee MK,Loeb KR,Gulsuner S,Pritchard CC,Sanchez-Bonilla M,Delrow JJ,Basom RS,Forouhar M,Gyurkocza B,Schwartz BS,Neistadt B,Marquez R,Mariani CJ,Coats SA,Hofmann I,Lindsley RC,Wildoi
10.1038/ng.3177subject
Has Abstractpub_date
2015-02-01 00:00:00pages
180-5issue
2eissn
1061-4036issn
1546-1718pii
ng.3177journal_volume
47pub_type
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