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Acute myeloid leukaemia after treatment for acute lymphoblastic leukaemia in girl with Bloom syndrome.


ABSTRACT: Bloom syndrome (BS) is an inherited genomic instability disorder caused by disruption of the BLM helicase and confers an extreme cancer predisposition. Here we report on a girl with BS who developed acute lymphoblastic leukaemia (ALL) at age nine, and treatment-related acute myeloid leukaemia (t-AML) aged 12. She was compound heterozygous for the novel BLM frameshift deletion c.1624delG and the previously described c.3415C>T nonsense mutation. Two haematological malignancies in a child with BS imply a fundamental role for BLM for normal haematopoiesis, in particular in the presence of genotoxic stress.

SUBMITTER: Adams M 

PROVIDER: S-EPMC4052885 | biostudies-literature | 2013 Sep

REPOSITORIES: biostudies-literature

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Acute myeloid leukaemia after treatment for acute lymphoblastic leukaemia in girl with Bloom syndrome.

Adams Madeleine M   Jenney Meriel M   Lazarou Laz L   White Rhian R   Birdsall Sanda S   Staab Timo T   Schindler Detlev D   Meyer Stefan S  

Journal of genetic syndromes & gene therapy 20130901 8


Bloom syndrome (BS) is an inherited genomic instability disorder caused by disruption of the BLM helicase and confers an extreme cancer predisposition. Here we report on a girl with BS who developed acute lymphoblastic leukaemia (ALL) at age nine, and treatment-related acute myeloid leukaemia (t-AML) aged 12. She was compound heterozygous for the novel BLM frameshift deletion c.1624delG and the previously described c.3415C>T nonsense mutation. Two haematological malignancies in a child with BS i  ...[more]

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