The Extracellular Matrix Receptor Discoidin Domain Receptor 1 Regulates Collagen Transcription by Translocating to the Nucleus
Copyright © 2019 by the American Society of Nephrology..
BACKGROUND: The discoidin domain receptor 1 (DDR1) is activated by collagens, upregulated in injured and fibrotic kidneys, and contributes to fibrosis by regulating extracellular matrix production, but how DDR1 controls fibrosis is poorly understood. DDR1 is a receptor tyrosine kinase (RTK). RTKs can translocate to the nucleus via a nuclear localization sequence (NLS) present on the receptor itself or a ligand it is bound to. In the nucleus, RTKs regulate gene expression by binding chromatin directly or by interacting with transcription factors.
METHODS: To determine whether DDR1 translocates to the nucleus and whether this event is mediated by collagen-induced DDR1 activation, we generated renal cells expressing wild-type or mutant forms of DDR1 no longer able to bind collagen. Then, we determined the location of the DDR1 upon collagen stimulation. Using both biochemical assays and immunofluorescence, we analyzed the steps involved in DDR1 nuclear translocation.
RESULTS: We show that although DDR1 and its natural ligand, collagen, lack an NLS, DDR1 is present in the nucleus of injured human and mouse kidney proximal tubules. We show that DDR1 nuclear translocation requires collagen-mediated receptor activation and interaction of DDR1 with SEC61B, a component of the Sec61 translocon, and nonmuscle myosin IIA and β-actin. Once in the nucleus, DDR1 binds to chromatin to increase the transcription of collagen IV, a major collagen upregulated in fibrosis.
CONCLUSIONS: These findings reveal a novel mechanism whereby activated DDR1 translates to the nucleus to regulate synthesis of profibrotic molecules.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Journal of the American Society of Nephrology : JASN - 30(2019), 9 vom: 05. Sept., Seite 1605-1624 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chiusa, Manuel [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 27.05.2020 Date Revised 20.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1681/ASN.2018111160 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Chiusa, Manuel |e verfasserin |4 aut | |
| 245 | 1 | 4 | |a The Extracellular Matrix Receptor Discoidin Domain Receptor 1 Regulates Collagen Transcription by Translocating to the Nucleus |
| 264 | 1 | |c 2019 | |
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| 500 | |a Date Completed 27.05.2020 | ||
| 500 | |a Date Revised 20.04.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2019 by the American Society of Nephrology. | ||
| 520 | |a BACKGROUND: The discoidin domain receptor 1 (DDR1) is activated by collagens, upregulated in injured and fibrotic kidneys, and contributes to fibrosis by regulating extracellular matrix production, but how DDR1 controls fibrosis is poorly understood. DDR1 is a receptor tyrosine kinase (RTK). RTKs can translocate to the nucleus via a nuclear localization sequence (NLS) present on the receptor itself or a ligand it is bound to. In the nucleus, RTKs regulate gene expression by binding chromatin directly or by interacting with transcription factors | ||
| 520 | |a METHODS: To determine whether DDR1 translocates to the nucleus and whether this event is mediated by collagen-induced DDR1 activation, we generated renal cells expressing wild-type or mutant forms of DDR1 no longer able to bind collagen. Then, we determined the location of the DDR1 upon collagen stimulation. Using both biochemical assays and immunofluorescence, we analyzed the steps involved in DDR1 nuclear translocation | ||
| 520 | |a RESULTS: We show that although DDR1 and its natural ligand, collagen, lack an NLS, DDR1 is present in the nucleus of injured human and mouse kidney proximal tubules. We show that DDR1 nuclear translocation requires collagen-mediated receptor activation and interaction of DDR1 with SEC61B, a component of the Sec61 translocon, and nonmuscle myosin IIA and β-actin. Once in the nucleus, DDR1 binds to chromatin to increase the transcription of collagen IV, a major collagen upregulated in fibrosis | ||
| 520 | |a CONCLUSIONS: These findings reveal a novel mechanism whereby activated DDR1 translates to the nucleus to regulate synthesis of profibrotic molecules | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, U.S. Gov't, Non-P.H.S. | |
| 650 | 4 | |a chromatin | |
| 650 | 4 | |a fibrosis | |
| 650 | 4 | |a gene transcription | |
| 650 | 4 | |a kidney injury | |
| 650 | 4 | |a non muscle myosin | |
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| 650 | 7 | |a Ddr1 protein, mouse |2 NLM | |
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| 700 | 1 | |a Hu, Wen |e verfasserin |4 aut | |
| 700 | 1 | |a Liao, Hong-Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Su, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Borza, Corina M |e verfasserin |4 aut | |
| 700 | 1 | |a de Caestecker, Mark P |e verfasserin |4 aut | |
| 700 | 1 | |a Skrypnyk, Nataliya I |e verfasserin |4 aut | |
| 700 | 1 | |a Fogo, Agnes B |e verfasserin |4 aut | |
| 700 | 1 | |a Pedchenko, Vadim |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xiyue |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Ming-Zhi |e verfasserin |4 aut | |
| 700 | 1 | |a Hudson, Billy G |e verfasserin |4 aut | |
| 700 | 1 | |a Basak, Trayambak |e verfasserin |4 aut | |
| 700 | 1 | |a Vanacore, Roberto M |e verfasserin |4 aut | |
| 700 | 1 | |a Zent, Roy |e verfasserin |4 aut | |
| 700 | 1 | |a Pozzi, Ambra |e verfasserin |4 aut | |
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