
Hereditary leiomyomatosis and renal cell cancer (HLRCC) is a cancer syndrome caused by inactivating germline mutations in fumarate hydratase (FH) and subsequent accumulation of fumarate. Fumarate accumulation leads to profound epigenetic changes and the activation of an anti-oxidant response via nuclear translocation of the transcription factor NRF2. The extent to which chromatin remodeling shapes this anti-oxidant response is currently unknown. Here, we explored the effects of FH loss on the chromatin landscape to identify transcription factor networks involved in the remodeled chromatin landscape of FH-deficient cells. We identify FOXA2 as a key transcription factor that regulates anti-oxidant response genes and subsequent metabolic rewiring cooperating without direct interaction with the anti-oxidant regulator NRF2. The identification of FOXA2 as an anti-oxidant regulator provides additional insights into the molecular mechanisms behind cell responses to fumarate accumulation and potentially provides further avenues for therapeutic intervention for HLRCC.
Skin Neoplasms, QH301-705.5, NF-E2-Related Factor 2, Article, Antioxidants, Chromatin, Kidney Neoplasms, Fumarate Hydratase, Neoplastic Syndromes, Hereditary, Leiomyomatosis, Uterine Neoplasms, Hepatocyte Nuclear Factor 3-beta, Humans, CP: Molecular biology, Female, Biology (General), CP: Cancer, Carcinoma, Renal Cell
Skin Neoplasms, QH301-705.5, NF-E2-Related Factor 2, Article, Antioxidants, Chromatin, Kidney Neoplasms, Fumarate Hydratase, Neoplastic Syndromes, Hereditary, Leiomyomatosis, Uterine Neoplasms, Hepatocyte Nuclear Factor 3-beta, Humans, CP: Molecular biology, Female, Biology (General), CP: Cancer, Carcinoma, Renal Cell
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