TREC mediated oncogenesis in human immature T lymphoid malignancies preferentially involves ZFP36L2.

Autor: Balducci, Estelle, Steimlé, Thomas, Smith, Charlotte, Villarese, Patrick, Feroul, Mélanie, Payet-Bornet, Dominique, Kaltenbach, Sophie, Couronné, Lucile, Lhermitte, Ludovic, Touzart, Aurore, Dourthe, Marie-Emilie, Simonin, Mathieu, Baruchel, André, Dombret, Hervé, Ifrah, Norbert, Boissel, Nicolas, Nadel, Bertrand, Macintyre, Elizabeth, Cieslak, Agata, Asnafi, Vahid
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Zdroj: Molecular Cancer; 7/10/2023, Vol. 22 Issue 1, p1-6, 6p
Abstrakt: The reintegration of excised signal joints resulting from human V(D)J recombination was described as a potent source of genomic instability in human lymphoid cancers. However, such molecular events have not been recurrently reported in clinical patient lymphoma/leukemia samples. Using a specifically designed NGS-capture pipeline, we here demonstrated the reintegration of T-cell receptor excision circles (TRECs) in 20/1533 (1.3%) patients with T-cell acute lymphoblastic leukemia (T-ALL) and T-cell lymphoblastic lymphoma (T-LBL). Remarkably, the reintegration of TREC recurrently targeted the tumor suppressor gene, ZFP36L2, in 17/20 samples. Thus, our data identified a new and hardly detectable mechanism of gene deregulation in lymphoid cancers providing new insights in human oncogenesis. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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