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The CoREST complex is a therapeutic vulnerability in malignant peripheral nerve sheath tumors

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE275049 | GEO | 2024/08/17

REPOSITORIES: GEO

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The CoREST complex is a therapeutic vulnerability in malignant peripheral nerve sheath tumors.

Project description: Not available

| S-EPMC11933703 | biostudies-literature

The CoREST complex is a therapeutic vulnerability in malignant peripheral nerve sheath tumors (RNA-Seq)

Project description:Malignant peripheral nerve sheath tumor (MPNST) is a highly aggressive sarcoma that may be seen in patients with neurofibromatosis type 1 (NF1) or occur sporadically. While surgery is the primary treatment for localized MPNST with a 61.9% overall survival rate, metastatic disease is often fatal due to resistance to systemic therapies which underscores the urgent need for effective treatments. MPNSTs frequently harbor inactivating driver mutations in the PRC2 epigenetic repressor complex suggesting epigenetic therapies may represent a specific vulnerability in these tumors. Here, we investigate the role of the LSD1-HDAC1-CoREST (LHC) repressor complex in mediating MPNST tumor growth and progression. Our findings demonstrate that the LHC small molecule inhibitor, corin, induces apoptosis and significantly inhibits proliferation in MPNST cells. Transcriptomic analysis of corin-treated MPNST cells demonstrates specific increases in genes associated with axonogenesis and neuronal differentiation as well as altered extracellular matrix; additionally, corin treatment is shown to inhibit MPNST invasion in vitro. These results underscore the critical role of the LHC complex in facilitating MPNST growth and progression and suggest that targeting the LHC complex represents a promising therapeutic approach for this aggressive malignancy.

2024-08-17 | GSE275048 | GEO