Loss of GATA-1 full length as a cause of Diamond-Blackfan anemia phenotype

Sara Parrella, Anna Aspesi, Paola Quarello, Emanuela Garelli, Elisa Pavesi, Adriana Carando, Margherita Nardi, Steven R. Ellis, Ugo Ramenghi, Irma Dianzani

Research output: Contribution to journalArticlepeer-review

Abstract

Mutations in the hematopoietic transcription factor GATA-1 alter the proliferation/differentiation of hemopoietic progenitors. Mutations in exon 2 interfere with the synthesis of the full-length isoform of GATA-1 and lead to the production of a shortened isoform, GATA-1s. These mutations have been found in patients with Diamond-Blackfan anemia (DBA), a congenital erythroid aplasia typically caused by mutations in genes encoding ribosomal proteins. We sequenced GATA-1 in 23 patients that were negative for mutations in the most frequently mutated DBA genes. One patient showed a c.2T>C mutation in the initiation codon leading to the loss of the full-length GATA-1 isoform. Pediatr Blood Cancer 2014;61:1319-1321.

Original languageEnglish
Pages (from-to)1319-1321
Number of pages3
JournalPediatric Blood and Cancer
Volume61
Issue number7
DOIs
Publication statusPublished - Jul 2014

Keywords

  • Anemia
  • Diamond-Blackfan
  • Erythropoiesis
  • Gata-1
  • Ribosomal protein

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