C-terminal RUNX1 mutation in familial platelet disorder with predisposition to myeloid malignancies

Kateřina Staňo Kozubík, Lenka Radová, Michaela Pešová, Kamila Réblová, Jakub Trizuljak, Karla Plevová, Veronika Fiamoli, Jaromír Gumulec, Helena Urbánková, Tomáš Szotkowski, Jiří Mayer, Šárka Pospíšilová, Michael Doubek*

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Abstract

Here we report a C-terminal RUNX1 mutation in a family with platelet disorder and predisposition to myeloid malignancies. We identified the mutation c.866delG:p.Gly289Aspfs*22 (NM_001754) (RUNX1 b-isoform NM_001001890; c.785delG:p.Gly262Aspfs*22) using exome sequencing of samples obtained from eight members of a single family. The mutation found in our pedigree is within exon eight and the transactivation domain of RUNX1. One of the affected individuals developed myelodysplastic syndrome (MDS), which progressed to acute myelogenous leukemia (AML). A search for the second hit which led to the development of MDS and later AML in this individual revealed the PHF6 gene variant (exon9:c.872G > A:p.G291E; NM_001015877), BCORL1 (exon3:c.1111A > C:p.T371P; NM_001184772) and BCOR gene variant (exon4:c.2076dupT:p.P693fs; NM_001123383), which appear to be very likely second hits participating in the progression to myeloid malignancy.

Original languageEnglish
Pages (from-to)652-657
Number of pages6
JournalInternational Journal of Hematology
Volume108
Issue number6
DOIs
Publication statusPublished - 1 Dec 2018
Externally publishedYes

Keywords

  • Familial platelet disorder with predisposition to myeloid malignancies
  • Inherited thrombocytopenia
  • RUNX1

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