Wnt/Fzd signaling is known to play a pervasive influence in hematopoietic stem cell maintenance, T-cell development in the thymus and function as well as an important role in T-cell acute lymphoblastic leukemia (T-ALL) establishment. We have previously described a recurrent rearrangement involving the WNT10Blocus (WNT10BR) expressing a transcript variant (WNT10BIVS1) in acute myeloid leukemia. To determine the occurrence of this rearrangement in T-ALL we analyzed retrospectively an italian cohort of patients (n=20) and detected the WNT10BRrearrangement with a high prevalence (14/20). We also confirmed the relevance of these findings to human disease, detecting the molecular circuit triggered by the WNT10B over-expression using the MOLT-4 T-ALL cell model.In this report, we examined the expression of components of the Wnt signaling cascade mediated by WNT10B and the effects of specific gene silencing by short hairpin RNA (shRNA) and exposure to the potent PORCN inhibitor (LGK974), or the TGFbRI inhibitor (A83-01) on the WNT10B-mediated Wnt signaling activation.
Targeting WNT10B-Driven Signalling through Induction of FZD6 By Porcupine Inhibition in T Cell Acute Lymphoblastic Leukemia / A. Cassaro, F. Lazzaroni, G. Grillo, G. Reda, R. Cairoli, A. Beghini. - In: BLOOD. - ISSN 0006-4971. - 134:Supplement 1(2019 Nov 13). ((Intervento presentato al 61. convegno ASH annual meeting tenutosi a Orlando nel 2019 [10.1182/blood-2019-124871].
Targeting WNT10B-Driven Signalling through Induction of FZD6 By Porcupine Inhibition in T Cell Acute Lymphoblastic Leukemia
F. LazzaroniInvestigation
;G. RedaMembro del Collaboration Group
;A. Beghini
Writing – Original Draft Preparation
2019
Abstract
Wnt/Fzd signaling is known to play a pervasive influence in hematopoietic stem cell maintenance, T-cell development in the thymus and function as well as an important role in T-cell acute lymphoblastic leukemia (T-ALL) establishment. We have previously described a recurrent rearrangement involving the WNT10Blocus (WNT10BR) expressing a transcript variant (WNT10BIVS1) in acute myeloid leukemia. To determine the occurrence of this rearrangement in T-ALL we analyzed retrospectively an italian cohort of patients (n=20) and detected the WNT10BRrearrangement with a high prevalence (14/20). We also confirmed the relevance of these findings to human disease, detecting the molecular circuit triggered by the WNT10B over-expression using the MOLT-4 T-ALL cell model.In this report, we examined the expression of components of the Wnt signaling cascade mediated by WNT10B and the effects of specific gene silencing by short hairpin RNA (shRNA) and exposure to the potent PORCN inhibitor (LGK974), or the TGFbRI inhibitor (A83-01) on the WNT10B-mediated Wnt signaling activation.File | Dimensione | Formato | |
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Targeting WNT10B-Driven Signalling through Induction of FZD6 By Porcupine Inhibition in T Cell Acute Lymphoblastic Leukemia | Blood | American Society of Hematology.pdf
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