The HIF complex recruits the histone methyltransferase SET1B to activate specific hypoxia-inducible genes
© 2021. The Author(s), under exclusive licence to Springer Nature America, Inc..
Hypoxia-inducible transcription factors (HIFs) are fundamental to cellular adaptation to low oxygen levels, but it is unclear how they interact with chromatin and activate their target genes. Here, we use genome-wide mutagenesis to identify genes involved in HIF transcriptional activity, and define a requirement for the histone H3 lysine 4 (H3K4) methyltransferase SET1B. SET1B loss leads to a selective reduction in transcriptional activation of HIF target genes, resulting in impaired cell growth, angiogenesis and tumor establishment in SET1B-deficient xenografts. Mechanistically, we show that SET1B accumulates on chromatin in hypoxia, and is recruited to HIF target genes by the HIF complex. The selective induction of H3K4 trimethylation at HIF target loci is both HIF- and SET1B-dependent and, when impaired, correlates with decreased promoter acetylation and gene expression. Together, these findings show SET1B as a determinant of site-specific histone methylation and provide insight into how HIF target genes are differentially regulated.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:53 |
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| Enthalten in: |
Nature genetics - 53(2021), 7 vom: 22. Juli, Seite 1022-1035 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ortmann, Brian M [VerfasserIn] |
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| Links: |
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| Themen: |
Basic Helix-Loop-Helix Transcription Factors |
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| Anmerkungen: |
Date Completed 30.08.2021 Date Revised 10.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1038/s41588-021-00887-y |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 4 | |a The HIF complex recruits the histone methyltransferase SET1B to activate specific hypoxia-inducible genes |
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| 520 | |a Hypoxia-inducible transcription factors (HIFs) are fundamental to cellular adaptation to low oxygen levels, but it is unclear how they interact with chromatin and activate their target genes. Here, we use genome-wide mutagenesis to identify genes involved in HIF transcriptional activity, and define a requirement for the histone H3 lysine 4 (H3K4) methyltransferase SET1B. SET1B loss leads to a selective reduction in transcriptional activation of HIF target genes, resulting in impaired cell growth, angiogenesis and tumor establishment in SET1B-deficient xenografts. Mechanistically, we show that SET1B accumulates on chromatin in hypoxia, and is recruited to HIF target genes by the HIF complex. The selective induction of H3K4 trimethylation at HIF target loci is both HIF- and SET1B-dependent and, when impaired, correlates with decreased promoter acetylation and gene expression. Together, these findings show SET1B as a determinant of site-specific histone methylation and provide insight into how HIF target genes are differentially regulated | ||
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| 700 | 1 | |a Lobb, Ian T |e verfasserin |4 aut | |
| 700 | 1 | |a Arnaiz, Esther |e verfasserin |4 aut | |
| 700 | 1 | |a Wit, Niek |e verfasserin |4 aut | |
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| 700 | 1 | |a Mole, David R |e verfasserin |4 aut | |
| 700 | 1 | |a Ratcliffe, Peter J |e verfasserin |4 aut | |
| 700 | 1 | |a Maxwell, Patrick H |e verfasserin |4 aut | |
| 700 | 1 | |a Nathan, James A |e verfasserin |4 aut | |
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