The MUC5B-associated variant rs35705950 resides within an enhancer subject to lineage- and disease-dependent epigenetic remodeling
The G/T transversion rs35705950, located approximately 3 kb upstream of the MUC5B start site, is the cardinal risk factor for idiopathic pulmonary fibrosis (IPF). Here, we investigate the function and chromatin structure of this -3 kb region and provide evidence that it functions as a classically defined enhancer subject to epigenetic programming. We use nascent transcript analysis to show that RNA polymerase II loads within 10 bp of the G/T transversion site, definitively establishing enhancer function for the region. By integrating Assay for Transposase-Accessible Chromatin using sequencing (ATAC-seq) analysis of fresh and cultured human airway epithelial cells with nuclease sensitivity data, we demonstrate that this region is in accessible chromatin that affects the expression of MUC5B. Through applying paired single-nucleus RNA- and ATAC-seq to frozen tissue from IPF lungs, we extend these findings directly to disease, with results indicating that epigenetic programming of the -3 kb enhancer in IPF occurs in both MUC5B-expressing and nonexpressing lineages. In aggregate, our results indicate that the MUC5B-associated variant rs35705950 resides within an enhancer that is subject to epigenetic remodeling and contributes to pathologic misexpression in IPF.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:6 |
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| Enthalten in: |
JCI insight - 6(2021), 2 vom: 25. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gally, Fabienne [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 04.06.2021 Date Revised 03.05.2023 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1172/jci.insight.144294 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM318859807 |
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| 100 | 1 | |a Gally, Fabienne |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The MUC5B-associated variant rs35705950 resides within an enhancer subject to lineage- and disease-dependent epigenetic remodeling |
| 264 | 1 | |c 2021 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
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| 500 | |a Date Completed 04.06.2021 | ||
| 500 | |a Date Revised 03.05.2023 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a The G/T transversion rs35705950, located approximately 3 kb upstream of the MUC5B start site, is the cardinal risk factor for idiopathic pulmonary fibrosis (IPF). Here, we investigate the function and chromatin structure of this -3 kb region and provide evidence that it functions as a classically defined enhancer subject to epigenetic programming. We use nascent transcript analysis to show that RNA polymerase II loads within 10 bp of the G/T transversion site, definitively establishing enhancer function for the region. By integrating Assay for Transposase-Accessible Chromatin using sequencing (ATAC-seq) analysis of fresh and cultured human airway epithelial cells with nuclease sensitivity data, we demonstrate that this region is in accessible chromatin that affects the expression of MUC5B. Through applying paired single-nucleus RNA- and ATAC-seq to frozen tissue from IPF lungs, we extend these findings directly to disease, with results indicating that epigenetic programming of the -3 kb enhancer in IPF occurs in both MUC5B-expressing and nonexpressing lineages. In aggregate, our results indicate that the MUC5B-associated variant rs35705950 resides within an enhancer that is subject to epigenetic remodeling and contributes to pathologic misexpression in IPF | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Research Support, U.S. Gov't, Non-P.H.S. | |
| 650 | 4 | |a Fibrosis | |
| 650 | 4 | |a Genetic variation | |
| 650 | 4 | |a Pulmonology | |
| 650 | 7 | |a Chromatin |2 NLM | |
| 650 | 7 | |a MUC5B protein, human |2 NLM | |
| 650 | 7 | |a Mucin-5B |2 NLM | |
| 650 | 7 | |a Proto-Oncogene Proteins c-ets |2 NLM | |
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| 700 | 1 | |a Sasse, Sarah K |e verfasserin |4 aut | |
| 700 | 1 | |a Kurche, Jonathan S |e verfasserin |4 aut | |
| 700 | 1 | |a Gruca, Margaret A |e verfasserin |4 aut | |
| 700 | 1 | |a Cardwell, Jonathan H |e verfasserin |4 aut | |
| 700 | 1 | |a Okamoto, Tsukasa |e verfasserin |4 aut | |
| 700 | 1 | |a Chu, Hong W |e verfasserin |4 aut | |
| 700 | 1 | |a Hou, Xiaomeng |e verfasserin |4 aut | |
| 700 | 1 | |a Poirion, Olivier B |e verfasserin |4 aut | |
| 700 | 1 | |a Buchanan, Justin |e verfasserin |4 aut | |
| 700 | 1 | |a Preissl, Sebastian |e verfasserin |4 aut | |
| 700 | 1 | |a Ren, Bing |e verfasserin |4 aut | |
| 700 | 1 | |a Colgan, Sean P |e verfasserin |4 aut | |
| 700 | 1 | |a Dowell, Robin D |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Ivana V |e verfasserin |4 aut | |
| 700 | 1 | |a Schwartz, David A |e verfasserin |4 aut | |
| 700 | 1 | |a Gerber, Anthony N |e verfasserin |4 aut | |
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