Expression profile of wild-type ETV6 in childhood acute leukaemia

Naina Patel, Lindsey K. Goff, Taane Clark, Anthony M. Ford, Nicola Foot, Debra Lillington, Sandra Hing, Kathy Pritchard-Jones, Louise K. Jones, Vaskar Saha

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Comparative expression analysis of wild-type ETV6 in the disease state showed an absence of expression in ETV6-CBFA2 acute lymphoblastic leukaemia (ALL) when compared with non-ETV6-CBFA2 ALL and acute myeloid leukaemia. Fluorescent in-situ hybridization and loss of heterozygosity studies showed that 73% of the ETV 6-CBFA2 samples had a fully or partially deleted second ETV6 allele, explaining the lack of wild-type expression in these patients. Although the second ETV6 allele was identified in the remaining patients, no ETV6 expression was detected. These observations support the hypothesis that loss of ETV6 expression is a critical secondary event for leukaemogenesis in ETV6-CBFA2 ALL.
    Original languageEnglish
    Pages (from-to)94-98
    Number of pages4
    JournalBritish Journal of Haematology
    Volume122
    Issue number1
    DOIs
    Publication statusPublished - Jul 2003

    Keywords

    • Acute leukaemia
    • ETV6
    • ETV6-CBFA2
    • Gene expression

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