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Schuhwerk H, Brabletz T. Mutual regulation of TGFβ-induced oncogenic EMT, cell cycle progression and the DDR. Semin Cancer Biol 2023; 97:86-103. [PMID: 38029866 DOI: 10.1016/j.semcancer.2023.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 10/06/2023] [Accepted: 11/23/2023] [Indexed: 12/01/2023]
Abstract
TGFβ signaling and the DNA damage response (DDR) are two cellular toolboxes with a strong impact on cancer biology. While TGFβ as a pleiotropic cytokine affects essentially all hallmarks of cancer, the multifunctional DDR mostly orchestrates cell cycle progression, DNA repair, chromatin remodeling and cell death. One oncogenic effect of TGFβ is the partial activation of epithelial-to-mesenchymal transition (EMT), conferring invasiveness, cellular plasticity and resistance to various noxae. Several reports show that both individual networks as well as their interface affect chemo-/radiotherapies. However, the underlying mechanisms remain poorly resolved. EMT often correlates with TGFβ-induced slowing of proliferation, yet numerous studies demonstrate that particularly the co-activated EMT transcription factors counteract anti-proliferative signaling in a partially non-redundant manner. Collectively, evidence piled up over decades underscore a multifaceted, reciprocal inter-connection of TGFβ signaling / EMT with the DDR / cell cycle progression, which we will discuss here. Altogether, we conclude that full cell cycle arrest is barely compatible with the propagation of oncogenic EMT traits and further propose that 'EMT-linked DDR plasticity' is a crucial, yet intricate facet of malignancy, decisively affecting metastasis formation and therapy resistance.
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Affiliation(s)
- Harald Schuhwerk
- Department of Experimental Medicine 1, Nikolaus-Fiebiger Center for Molecular Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany.
| | - Thomas Brabletz
- Department of Experimental Medicine 1, Nikolaus-Fiebiger Center for Molecular Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany; Comprehensive Cancer Center Erlangen-EMN, Erlangen University Hospital, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany.
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2
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Bisnett BJ, Condon BM, Lamb CH, Georgiou GR, Boyce M. Export Control: Post-transcriptional Regulation of the COPII Trafficking Pathway. Front Cell Dev Biol 2021; 8:618652. [PMID: 33511128 PMCID: PMC7835409 DOI: 10.3389/fcell.2020.618652] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 12/14/2020] [Indexed: 11/13/2022] Open
Abstract
The coat protein complex II (COPII) mediates forward trafficking of protein and lipid cargoes from the endoplasmic reticulum. COPII is an ancient and essential pathway in all eukaryotes and COPII dysfunction underlies a range of human diseases. Despite this broad significance, major aspects of COPII trafficking remain incompletely understood. For example, while the biochemical features of COPII vesicle formation are relatively well characterized, much less is known about how the COPII system dynamically adjusts its activity to changing physiologic cues or stresses. Recently, post-transcriptional mechanisms have emerged as a major mode of COPII regulation. Here, we review the current literature on how post-transcriptional events, and especially post-translational modifications, govern the COPII pathway.
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Affiliation(s)
- Brittany J Bisnett
- Department of Biochemistry, Duke University School of Medicine, Durham, NC, United States
| | - Brett M Condon
- Department of Biochemistry, Duke University School of Medicine, Durham, NC, United States
| | - Caitlin H Lamb
- Department of Biochemistry, Duke University School of Medicine, Durham, NC, United States
| | - George R Georgiou
- Department of Biochemistry, Duke University School of Medicine, Durham, NC, United States
| | - Michael Boyce
- Department of Biochemistry, Duke University School of Medicine, Durham, NC, United States
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4
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Caja L, Tzavlaki K, Dadras MS, Tan EJ, Hatem G, Maturi NP, Morén A, Wik L, Watanabe Y, Savary K, Kamali-Moghaddan M, Uhrbom L, Heldin CH, Moustakas A. Snail regulates BMP and TGFβ pathways to control the differentiation status of glioma-initiating cells. Oncogene 2018; 37:2515-2531. [PMID: 29449696 PMCID: PMC5945579 DOI: 10.1038/s41388-018-0136-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 12/12/2017] [Accepted: 12/28/2017] [Indexed: 12/31/2022]
Abstract
Glioblastoma multiforme is a brain malignancy characterized by high heterogeneity, invasiveness, and resistance to current therapies, attributes related to the occurrence of glioma stem cells (GSCs). Transforming growth factor β (TGFβ) promotes self-renewal and bone morphogenetic protein (BMP) induces differentiation of GSCs. BMP7 induces the transcription factor Snail to promote astrocytic differentiation in GSCs and suppress tumor growth in vivo. We demonstrate that Snail represses stemness in GSCs. Snail interacts with SMAD signaling mediators, generates a positive feedback loop of BMP signaling and transcriptionally represses the TGFB1 gene, decreasing TGFβ1 signaling activity. Exogenous TGFβ1 counteracts Snail function in vitro, and in vivo promotes proliferation and re-expression of Nestin, confirming the importance of TGFB1 gene repression by Snail. In conclusion, novel insight highlights mechanisms whereby Snail differentially regulates the activity of the opposing BMP and TGFβ pathways, thus promoting an astrocytic fate switch and repressing stemness in GSCs.
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Affiliation(s)
- Laia Caja
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Box 582, Biomedical Center, Uppsala University, SE-75123, Uppsala, Sweden. .,Ludwig Cancer Research, Science for Life Laboratory, Box 595, Biomedical Center, Uppsala University, SE-75124, Uppsala, Sweden.
| | - Kalliopi Tzavlaki
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Box 582, Biomedical Center, Uppsala University, SE-75123, Uppsala, Sweden.,Ludwig Cancer Research, Science for Life Laboratory, Box 595, Biomedical Center, Uppsala University, SE-75124, Uppsala, Sweden
| | - Mahsa S Dadras
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Box 582, Biomedical Center, Uppsala University, SE-75123, Uppsala, Sweden.,Ludwig Cancer Research, Science for Life Laboratory, Box 595, Biomedical Center, Uppsala University, SE-75124, Uppsala, Sweden
| | - E-Jean Tan
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Rudbeck Laboratory, Uppsala University, SE-75185, Uppsala, Sweden
| | - Gad Hatem
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Box 582, Biomedical Center, Uppsala University, SE-75123, Uppsala, Sweden.,Ludwig Cancer Research, Science for Life Laboratory, Box 595, Biomedical Center, Uppsala University, SE-75124, Uppsala, Sweden
| | - Naga P Maturi
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Box 582, Biomedical Center, Uppsala University, SE-75123, Uppsala, Sweden.,Ludwig Cancer Research, Science for Life Laboratory, Box 595, Biomedical Center, Uppsala University, SE-75124, Uppsala, Sweden.,Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Rudbeck Laboratory, Uppsala University, SE-75185, Uppsala, Sweden
| | - Anita Morén
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Box 582, Biomedical Center, Uppsala University, SE-75123, Uppsala, Sweden.,Ludwig Cancer Research, Science for Life Laboratory, Box 595, Biomedical Center, Uppsala University, SE-75124, Uppsala, Sweden
| | - Lotta Wik
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Box 815, Biomedical Center, Uppsala University, SE-75108, Uppsala, Sweden
| | - Yukihide Watanabe
- Ludwig Cancer Research, Science for Life Laboratory, Box 595, Biomedical Center, Uppsala University, SE-75124, Uppsala, Sweden.,Department of Experimental Pathology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Katia Savary
- Ludwig Cancer Research, Science for Life Laboratory, Box 595, Biomedical Center, Uppsala University, SE-75124, Uppsala, Sweden.,UMR CNRS 7369 MEDyC, Université de Reims Champagne Ardenne, Reims, France
| | - Masood Kamali-Moghaddan
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Box 815, Biomedical Center, Uppsala University, SE-75108, Uppsala, Sweden
| | - Lene Uhrbom
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Rudbeck Laboratory, Uppsala University, SE-75185, Uppsala, Sweden
| | - Carl-Henrik Heldin
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Box 582, Biomedical Center, Uppsala University, SE-75123, Uppsala, Sweden.,Ludwig Cancer Research, Science for Life Laboratory, Box 595, Biomedical Center, Uppsala University, SE-75124, Uppsala, Sweden
| | - Aristidis Moustakas
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Box 582, Biomedical Center, Uppsala University, SE-75123, Uppsala, Sweden. .,Ludwig Cancer Research, Science for Life Laboratory, Box 595, Biomedical Center, Uppsala University, SE-75124, Uppsala, Sweden.
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Aguilera-Gomez A, van Oorschot MM, Veenendaal T, Rabouille C. In vivo vizualisation of mono-ADP-ribosylation by dPARP16 upon amino-acid starvation. eLife 2016; 5. [PMID: 27874829 PMCID: PMC5127640 DOI: 10.7554/elife.21475] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Accepted: 11/21/2016] [Indexed: 01/08/2023] Open
Abstract
PARP catalysed ADP-ribosylation is a post-translational modification involved in several physiological and pathological processes, including cellular stress. In order to visualise both Poly-, and Mono-, ADP-ribosylation in vivo, we engineered specific fluorescent probes. Using them, we show that amino-acid starvation triggers an unprecedented display of mono-ADP-ribosylation that governs the formation of Sec body, a recently identified stress assembly that forms in Drosophila cells. We show that dPARP16 catalytic activity is necessary and sufficient for both amino-acid starvation induced mono-ADP-ribosylation and subsequent Sec body formation and cell survival. Importantly, dPARP16 catalyses the modification of Sec16, a key Sec body component, and we show that it is a critical event for the formation of this stress assembly. Taken together our findings establish a novel example for the role of mono-ADP-ribosylation in the formation of stress assemblies, and link this modification to a metabolic stress. DOI:http://dx.doi.org/10.7554/eLife.21475.001
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Affiliation(s)
- Angelica Aguilera-Gomez
- Hubrecht Institute-KNAW, Utrecht, The Netherlands.,University Medical Center Utrecht, Utrecht, Netherlands
| | - Marinke M van Oorschot
- Hubrecht Institute-KNAW, Utrecht, The Netherlands.,University Medical Center Utrecht, Utrecht, Netherlands
| | - Tineke Veenendaal
- Department of Cell Biology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Catherine Rabouille
- Hubrecht Institute-KNAW, Utrecht, The Netherlands.,University Medical Center Utrecht, Utrecht, Netherlands.,Department of Cell Biology, University Medical Center Utrecht, Utrecht, The Netherlands
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