Inhibition of the Notch-Hey1 Axis Blocks Embryonal Rhabdomyosarcoma Tumorigenesis

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Inhibition of the Notch-Hey1 axis blocks embryonal rhabdomyosarcoma tumorigenesis.

PURPOSE Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma of childhood and remains refractory to combined-modality therapy in patients with high risk disease. In skeletal myogenesis, Notch signaling prevents muscle differentiation and promotes proliferation of satellite cell progeny. Given its physiologic role in myogenesis and oncogenic role in other human cancers, we hypothesized ...

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Cancer Therapy: Preclinical Inhibition of the Notch-Hey1 Axis Blocks Embryonal Rhabdomyosarcoma Tumorigenesis

Purpose:Rhabdomyosarcoma (RMS) is themost common soft tissue sarcomaof childhood and remains refractory to combined-modality therapy in patients with high risk disease. In skeletal myogenesis, Notch signaling prevents muscle differentiation and promotes proliferation of satellite cell progeny. Given its physiologic role in myogenesis and oncogenic role in other human cancers, we hypothesized th...

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Notch pathway inhibition depletes stem-like cells and blocks engraftment in embryonal brain tumors.

The Notch signaling pathway is required in both nonneoplastic neural stem cells and embryonal brain tumors, such as medulloblastoma, which are derived from such cells. We investigated the effects of Notch pathway inhibition on medulloblastoma growth using pharmacologic inhibitors of gamma-secretase. Notch blockade suppressed expression of the pathway target Hes1 and caused cell cycle exit, apop...

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Histone Deacetylase Inhibitors Antagonize Distinct Pathways to Suppress Tumorigenesis of Embryonal Rhabdomyosarcoma

Embryonal rhabdomyosarcoma (ERMS) is the most common soft tissue cancer in children. The prognosis of patients with relapsed or metastatic disease remains poor. ERMS genomes show few recurrent mutations, suggesting that other molecular mechanisms such as epigenetic regulation might play a major role in driving ERMS tumor biology. In this study, we have demonstrated the diverse roles of histone ...

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ژورنال

عنوان ژورنال: Clinical Cancer Research

سال: 2011

ISSN: 1078-0432,1557-3265

DOI: 10.1158/1078-0432.ccr-11-1004