GATA1-mutant clones are frequent and often unsuspected in babies with Down syndrome: identification of a population at risk of leukemia

Author:

Roberts Irene1,Alford Kate2,Hall Georgina3,Juban Gaetan2,Richmond Helen1,Norton Alice2,Vallance Grant24,Perkins Kelly2,Marchi Emanuele2,McGowan Simon5,Roy Anindita1,Cowan Gillian1,Anthony Mark6,Gupta Amit6,Ho John7,Uthaya Sabita8,Curley Anna9,Rasiah Shree Vishna10,Watts Timothy11,Nicholl Richard12,Bedford-Russell Alison13,Blumberg Raoul14,Thomas Angela15,Gibson Brenda16,Halsey Chris16,Lee Pek-Wan17,Godambe Sunit18,Sweeney Connor2,Bhatnagar Neha1,Goriely Anne19,Campbell Peter20,Vyas Paresh24

Affiliation:

1. Centre for Haematology, Hammersmith Campus, Imperial College London, London, United Kingdom;

2. MRC Molecular Haematology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom;

3. Paediatric Haematology/Oncology Unit, and

4. Department of Haematology, Oxford University Hospital, NHS Trust, Oxford, United Kingdom;

5. Computational Biology Research Group, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom;

6. Department of Neonatal Medicine, Oxford University Hospital, NHS Trust, Oxford, United Kingdom;

7. Whipps Cross University Hospital NHS Trust, London, United Kingdom;

8. Chelsea and Westminster Hospital NHS Foundation Trust, London, United Kingdom;

9. Cambridge University Hospital NHS Foundation Trust, Cambridge, United Kingdom;

10. Birmingham Women’s NHS Foundation Trust, Birmingham, United Kingdom;

11. Guy’s and St. Thomas’ NHS Foundation Trust, London, United Kingdom;

12. The North West London Hospitals NHS Trust, London, United Kingdom;

13. Heart of England NHS Foundation Trust, London, United Kingdom;

14. The Whittington Hospital, London, United Kingdom;

15. Royal Hospital for Sick Children, Edinburgh, United Kingdom;

16. Royal Hospital for Sick Children, Glasgow, Scotland, United Kingdom;

17. The Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, United Kingdom;

18. Queen Charlotte’s and St. Mary’s Hospitals, Imperial College Healthcare NHS Trust, London, United Kingdom;

19. Clinical Genetics Group, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom; and

20. Cancer Genome Group, Wellcome Trust, Sanger Centre, Cambridge, United Kingdom

Abstract

Key Points GATA1 mutations are common in neonates with Down syndrome but are often unsuspected and detectable only with sensitive methods. Multilineage blood abnormalities in all Down syndrome neonates in the absence of GATA1 mutations suggests that trisomy 21 itself perturbs hemopoiesis.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

Reference40 articles.

1. Risks of leukaemia and solid tumours in individuals with Down’s syndrome.;Hasle;Lancet,2000

2. Distinctive demography, biology, and outcome of acute myeloid leukemia and myelodysplastic syndrome in children with Down syndrome: Children’s Cancer Group Studies 2861 and 2891.;Lange;Blood,1998

3. Natural history of GATA1 mutations in Down syndrome.;Ahmed;Blood,2004

4. GATA1 mutations in transient leukemia and acute megakaryoblastic leukemia of Down syndrome.;Hitzler;Blood,2003

5. Mutations in exon 2 of GATA1 are early events in megakaryocytic malignancies associated with trisomy 21.;Rainis;Blood,2003

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