A novel NUP98/RARG gene fusion in acute myeloid leukemia resembling acute promyelocytic leukemia

Author:

Such Esperanza1,Cervera José1,Valencia Ana1,Barragán Eva2,Ibañez Mariam1,Luna Irene1,Fuster Óscar2,Perez-Sirvent Maria Luz1,Senent Leonor1,Sempere Amparo1,Martinez Jesús1,Martín-Aragonés Guillermo1,Sanz Miguel A.1

Affiliation:

1. Departments of Hematology and

2. Medical Pathology, Hospital Universitario La Fe, Valencia, Spain

Abstract

Abstract Chromosomal translocations in hematological malignancies often result in novel fusion chimeric genes. We report a case of acute myeloid leukemia with a clonal translocation t(11;12)(p15;q13) displaying morphologic and immunophenotypic features resembling the classical hypergranular subtype of acute promyelocytic leukemia. The gene fused to NUP98 (nucleoporin 98) was detected by comparative genomic hybridization array as the retinoid acid receptor gamma gene (RARG). The involvement of RARG in a chimeric fusion transcript has not been reported previously in human leukemia.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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