The oncometabolite 2-hydroxyglutarate inhibits histone lysine demethylases
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Cites background from "The oncometabolite 2-hydroxyglutara..."
...Although one initial report implicated a broad array of enzymes that were affected by 2HG (Xu et al., 2011), a later report suggested greater specificity of 2HG for some specific Jumonji C domain histone demethylases (Chowdhury et al., 2011)....
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...The weight of the evidence now suggests that regulation of HIF-1 stability through decreased PHD2 activity is not the primary effect of IDH mutations (Chowdhury et al., 2011; Dang et al., 2009; Jin et al., 2011; Mardis et al., 2009; Metellus et al., 2011; Williams et al., 2011)....
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Cites background from "The oncometabolite 2-hydroxyglutara..."
...Methylation of K27 and K36 is also disrupted by elevated levels of the onco-metabolite 2-hydroxyglutarate (2-HG) resulting from gain-of-function mutations in IDH1 (Chowdhury et al., 2011; Xu et al., 2011), which was previously shown to be associated with a distinct Glioma-CpG-Island Methylator Phenotype (G-CIMP) (Noushmehr et al....
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...…K27 and K36 is also disrupted by elevated levels of the onco-metabolite 2-hydroxyglutarate (2-HG) resulting from gain-of-function mutations in IDH1 (Chowdhury et al., 2011; Xu et al., 2011), which was previously shown to be associated with a distinct Glioma-CpG-Island Methylator Phenotype (G-CIMP)…...
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References
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"The oncometabolite 2-hydroxyglutara..." refers background in this paper
...However, they also cause a gain of function comprising catalysis of 2OG to the R -enantiomer of 2-hydroxyglutarate ( R -2HG...
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2,623 citations
"The oncometabolite 2-hydroxyglutara..." refers background in this paper
...…HIF hydroxylases are Fe(II)- and 2OG-dependent oxygenases that produce succinate and CO2 as coproducts; the HIF prolyl hydroxylases (PHD/EGLN enzymes) signal for HIF degradation, whereas factor inhibiting-HIF (FIH) is an asparaginyl hydroxylase that reduces HIF activity (Kaelin & Ratcliffe, 2008)....
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...Inhibition of Asn-hydroxylation in the C-terminal transactivation domain of HIFa polypeptides might be predicted to enhance transcriptional activity through the recruitment of p300/ CBP coactivators to the C-terminal activation domain (Kaelin & Ratcliffe, 2008)....
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...The HIF hydroxylases are Fe(II)- and 2OG-dependent oxygenases that produce succinate and CO 2 as coproducts; the HIF prolyl hydroxylases (PHD/EGLN enzymes) signal for HIF degradation, whereas factor inhibiting-HIF (FIH) is an asparaginyl hydroxylase that reduces HIF activity...
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1,790 citations
"The oncometabolite 2-hydroxyglutara..." refers background in this paper
...However, they also cause a gain of function comprising catalysis of 2OG to the R-enantiomer of 2-hydroxyglutarate (R-2HG; Dang et al, 2009; Gross et al, 2010; Ward et al, 2010)....
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...As production of 2HG by IDH mutations is stereospecific (Dang et al, 2009; Ward et al, 2010), the specificity of inhibition by the 2HG enantiomers is relevant to their potential as mediators of oncogenic pathways....
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...The high concentrations of R-2HG (more than 10 mM) that have been observed in malignant brain tumours and leukaemias (Dang et al, 2009; Gross et al, 2010; Ward et al, 2010), might be sufficient to inhibit even the less-susceptible 2OG oxygenases....
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1,723 citations
"The oncometabolite 2-hydroxyglutara..." refers background in this paper
...The HIF hydroxylases function as negative regulators of HIFmediated transcription (Isaacs et al, 2005; Selak et al, 2005; Hewitson et al, 2007); thus, increased levels of succinate and fumarate are thought to promote tumour growth by inhibition of the HIF hydroxylases....
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1,549 citations
"The oncometabolite 2-hydroxyglutara..." refers background in this paper
...HIF target genes encode proteins that enable tumour growth, including vascular endothelial growth factor (Semenza, 2010)....
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