The fungal secondary metabolite trichodimerol inhibits TGF-β dependent cellular effects and tube formation of MDA-MB-231 cells
The transforming growth factor-beta (TGF-beta) family of ligands has a pivotal role as regulators of cell growth, differentiation and migration. Overexpression of TGF-beta has been associated with breast, colon, hepatocellular, lung and pancreatic cancer. Importantly, overexpression of TGF-beta correlates with tumor progression, metastasis, angiogenesis and poor prognostic outcome. Therefore, TGF-beta signaling has emerged as an attractive target for the development of new cancer therapeutics. In a search for metabolites from fungi inhibiting the TGF-beta dependent expression of a reporter gene in HepG2 cells, we found that trichodimerol, a previously isolated bisorbicillinoid, inhibited serine phosphorylation of the TGF-beta activated Smad2/3 transcription factors and antagonized the cellular effects of TGF-beta including reporter gene activation and expression of TGF-beta inducible genes in HepG2 and MDA-MB-231 cells. In addition, trichodimerol blocked IFN-gamma, IL-6 and IL-4 induced activation of Stat1, Stat3 and Stat6 transcription factors by inhibiting serine and tyrosine phosphorylation. In an in vitro angiogenesis assay, 20 muM trichodimerol completely abrogated the capillary-like tube formation of MDA-MB-231 cells on Matrigel.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2009 |
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| Erschienen: |
2009 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:27 |
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| Enthalten in: |
Investigational new drugs - 27(2009), 6 vom: 30. Dez., Seite 491-502 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Serwe, Annegret [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 19.04.2013 Date Revised 20.10.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s10637-008-9201-9 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM184493781 |
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| 245 | 1 | 4 | |a The fungal secondary metabolite trichodimerol inhibits TGF-β dependent cellular effects and tube formation of MDA-MB-231 cells |
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| 520 | |a The transforming growth factor-beta (TGF-beta) family of ligands has a pivotal role as regulators of cell growth, differentiation and migration. Overexpression of TGF-beta has been associated with breast, colon, hepatocellular, lung and pancreatic cancer. Importantly, overexpression of TGF-beta correlates with tumor progression, metastasis, angiogenesis and poor prognostic outcome. Therefore, TGF-beta signaling has emerged as an attractive target for the development of new cancer therapeutics. In a search for metabolites from fungi inhibiting the TGF-beta dependent expression of a reporter gene in HepG2 cells, we found that trichodimerol, a previously isolated bisorbicillinoid, inhibited serine phosphorylation of the TGF-beta activated Smad2/3 transcription factors and antagonized the cellular effects of TGF-beta including reporter gene activation and expression of TGF-beta inducible genes in HepG2 and MDA-MB-231 cells. In addition, trichodimerol blocked IFN-gamma, IL-6 and IL-4 induced activation of Stat1, Stat3 and Stat6 transcription factors by inhibiting serine and tyrosine phosphorylation. In an in vitro angiogenesis assay, 20 muM trichodimerol completely abrogated the capillary-like tube formation of MDA-MB-231 cells on Matrigel | ||
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