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HDAC3 is critical in tumor development and therapeutic resistance in Kras-mutant non-small cell lung cancer

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

ORGANISM(S): Mus musculus

PROVIDER: GSE164759 | GEO | 2023/07/14

REPOSITORIES: GEO

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HDAC3 is critical in tumor development and therapeutic resistance in <i>Kras</i>-mutant non-small cell lung cancer.

Project description: Not available

| S-EPMC10022903 | biostudies-literature

HDAC3 is critical in tumor development and therapeutic resistance in Kras-mutant non-small cell lung cancer [RNA-seq HDAC3 KO p65 KO]

Project description:HDAC3 is one of the main targets of Histone Deacetylase (HDAC) inhibitors in clinical development as cancer therapies, yet the in vivo role of HDAC3 in solid tumors is unknown. Here, we identified a critical role for HDAC3 in KRAS mutant lung cancer. Using genetic engineered mouse models (GEMM), we found that HDAC3 is required for lung tumor growth in vivo. HDAC3 was found to direct and enhance the transcription effects of the lung cancer lineage transcription factor NKX2-1 to mediate expression of a common set of target genes. We identified FGFR1 as a critical new target of HDAC3. Leveraging this, we identified that an HDAC3-dependent transcriptional cassette becomes hyperactivated as KRAS/LKB1 mutant cells develop resistance to the MEK inhibitor trametinib, and this can be reversed by treatment with the HDAC1/HDAC3 inhibitor entinostat. We found that the combination of entinostat plus trametinib treatment elicits therapeutic benefit in the KRAS/LKB1 GEMM.

2023-07-14 | GSE164756 | GEO

HDAC3 is critical in tumor development and therapeutic resistance in Kras-mutant non-small cell lung cancer [RNA-seq HDAC3 KO NKX2-1 KO]

2023-07-14 | GSE164755 | GEO

HDAC3 is critical in tumor development and therapeutic resistance in Kras-mutant non-small cell lung cancer [RNA-seq GEMM tumors]

2023-07-14 | GSE164758 | GEO