| Home > Publications database > Genocopy of EVI1-AML with paraneoplastic diabetes insipidus: PRDM16 overexpression by t(1;2)(p36;p21) and enhancer hijacking. |
| Journal Article | DKFZ-2024-02439 |
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2026
Wiley-Blackwell
Oxford [u.a.]
Abstract: Diabetes insipidus (DI) in patients with acute myeloid leukaemia (AML) and chromosome 3q alterations (EVI1/PRDM3/MECOM overexpression) constitutes a poorly understood paraneoplasia. A 44-year-old patient presented with clinical and morphological features of this syndrome but, surprisingly, disclosed the rare translocation t(1;2)(p36;p21), with massive PRDM16 overexpression. WGS and RNA sequencing suggest enhancer hijacking of the ZFP36L2 enhancer region as underlying mechanism. Methylome alterations were similar to those in EVI1/PRDM3/MECOM AML, indicating converging pathways. The patient was successfully allografted, she is in complete remission 14 months later. We conclude that t(1;2)(p36;p21), with massive PRDM16 overexpression, can result in a faithful genocopy of EVI1/PRDM3/MECOM AML, including DI.
Keyword(s): AML ; genes rearrangement ; malignant haematology
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