Orphan nuclear receptor ERRγ is a novel transcriptional regulator of IL-6 mediated hepatic BMP6 gene expression in mice
Bone morphogenetic protein 6 (BMP6) is a multifunctional growth factor involved in organ development and homeostasis. BMP6 controls expression of the liver hormone, hepcidin, and thereby plays a crucial role in regulating iron homeostasis. BMP6 gene transcriptional regulation in liver is largely unk...
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| Hauptverfasser: | , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
28 September 2020
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| In: |
International journal of molecular sciences
Year: 2020, Jahrgang: 21, Heft: 19, Pages: 1-14 |
| ISSN: | 1422-0067 |
| DOI: | 10.3390/ijms21197148 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.3390/ijms21197148 Verlag, kostenfrei, Volltext: https://www.mdpi.com/1422-0067/21/19/7148 
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| Verfasserangaben: | Kamalakannan Radhakrishnan, Yong-Hoon Kim, Yoon Seok Jung, Jina Kim, Don-Kyu Kim, Sung Jin Cho, In-Kyu Lee, Steven Dooley, Chul-Ho Lee and Hueng-Sik Choi |
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| 245 | 1 | 0 | |a Orphan nuclear receptor ERRγ is a novel transcriptional regulator of IL-6 mediated hepatic BMP6 gene expression in mice |c Kamalakannan Radhakrishnan, Yong-Hoon Kim, Yoon Seok Jung, Jina Kim, Don-Kyu Kim, Sung Jin Cho, In-Kyu Lee, Steven Dooley, Chul-Ho Lee and Hueng-Sik Choi |
| 246 | 3 | 3 | |a Orphan nuclear receptor ERR gamma is a novel transcriptional regulator of IL-six mediated hepatic BMP6 gene expression in mice |
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| 520 | |a Bone morphogenetic protein 6 (BMP6) is a multifunctional growth factor involved in organ development and homeostasis. BMP6 controls expression of the liver hormone, hepcidin, and thereby plays a crucial role in regulating iron homeostasis. BMP6 gene transcriptional regulation in liver is largely unknown, but would be of great help to externally modulate iron load in pathologic conditions. Here, we describe a detailed molecular mechanism of hepatic BMP6 gene expression by an orphan nuclear receptor, estrogen-related receptor γ (ERRγ), in response to the pro-inflammatory cytokine interleukin 6 (IL-6). Recombinant IL-6 treatment increases hepatic ERRγ and BMP6 expression. Overexpression of ERRγ is sufficient to increase BMP6 gene expression in hepatocytes, suggesting that IL-6 is upstream of ERRγ. In line, knock-down of ERRγ in cell lines or a hepatocyte specific knock-out of ERRγ in mice significantly decreases IL-6 mediated BMP6 expression. Promoter studies show that ERRγ directly binds to the ERR response element (ERRE) in the mouse BMP6 gene promoter and positively regulates BMP6 gene transcription in IL-6 treatment conditions, which is further confirmed by ERRE mutated mBMP6-luciferase reporter assays. Finally, an inverse agonist of ERRγ, GSK5182, markedly inhibits IL-6 induced hepatic BMP6 expression in vitro and in vivo. Taken together, these results reveal a novel molecular mechanism on ERRγ mediated transcriptional regulation of hepatic BMP6 gene expression in response to IL-6. | ||
| 650 | 4 | |a bone morphogenetic protein 6 (BMP6) | |
| 650 | 4 | |a estrogen-related receptor γ (ERRγ) | |
| 650 | 4 | |a gene expression and regulation | |
| 650 | 4 | |a interleukin 6 (IL-6) | |
| 650 | 4 | |a liver | |
| 650 | 4 | |a orphan receptors | |
| 650 | 4 | |a transcription | |
| 700 | 1 | |a Kim, Yong-Hoon |e VerfasserIn |4 aut | |
| 700 | 1 | |a Jung, Yoon Seok |e VerfasserIn |4 aut | |
| 700 | 1 | |a Kim, Jina |e VerfasserIn |4 aut | |
| 700 | 1 | |a Kim, Don-Kyu |e VerfasserIn |4 aut | |
| 700 | 1 | |a Cho, Sung Jin |e VerfasserIn |4 aut | |
| 700 | 1 | |a Lee, In-Kyu |e VerfasserIn |4 aut | |
| 700 | 1 | |a Dooley, Steven |d 1960- |e VerfasserIn |0 (DE-588)1028589190 |0 (DE-627)73128951X |0 (DE-576)376074116 |4 aut | |
| 700 | 1 | |a Lee, Chul-Ho |e VerfasserIn |4 aut | |
| 700 | 1 | |a Choi, Hueng-Sik |e VerfasserIn |4 aut | |
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