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Popović L, Wintgens JP, Wu Y, Brankatschk B, Menninger S, Degenhart C, Jensen N, Wichert SP, Klebl B, Rossner MJ, Wehr MC. Profiling of ERBB receptors and downstream pathways reveals selectivity and hidden properties of ERBB4 antagonists. iScience 2024; 27:108839. [PMID: 38303712 PMCID: PMC10831936 DOI: 10.1016/j.isci.2024.108839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/20/2023] [Accepted: 01/03/2024] [Indexed: 02/03/2024] Open
Abstract
ERBB receptor tyrosine kinases are involved in development and diseases like cancer, cardiovascular, neurodevelopmental, and mental disorders. Although existing drugs target ERBB receptors, the next generation of drugs requires enhanced selectivity and understanding of physiological pathway responses to improve efficiency and reduce side effects. To address this, we developed a multilevel barcoded reporter profiling assay, termed 'ERBBprofiler', in living cells to monitor the activity of all ERBB targets and key physiological pathways simultaneously. This assay helps differentiate on-target therapeutic effects from off-target and off-pathway side effects of ERBB antagonists. To challenge the assay, eight established ERBB antagonists were profiled. Known effects were confirmed, and previously uncharacterized properties were discovered, such as pyrotinib's preference for ERBB4 over EGFR. Additionally, two lead compounds selectively targeting ERBB4 were profiled, showing promise for clinical trials. Taken together, this multiparametric profiling approach can guide early-stage drug development and lead to improved future therapeutic interventions.
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Affiliation(s)
- Lukša Popović
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstrasse 7, 80336 Munich, Germany
- Systasy Bioscience GmbH, Balanstrasse 6, 81669 Munich, Germany
| | - Jan P. Wintgens
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstrasse 7, 80336 Munich, Germany
- Systasy Bioscience GmbH, Balanstrasse 6, 81669 Munich, Germany
| | - Yuxin Wu
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstrasse 7, 80336 Munich, Germany
| | - Ben Brankatschk
- Systasy Bioscience GmbH, Balanstrasse 6, 81669 Munich, Germany
| | - Sascha Menninger
- Lead Discovery Center GmbH, Otto-Hahn-Strasse 15, 44227 Dortmund, Germany
| | - Carsten Degenhart
- Lead Discovery Center GmbH, Otto-Hahn-Strasse 15, 44227 Dortmund, Germany
| | - Niels Jensen
- Section of Molecular Neurobiology, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstrasse 7, 80336 Munich, Germany
| | - Sven P. Wichert
- Systasy Bioscience GmbH, Balanstrasse 6, 81669 Munich, Germany
- Section of Molecular Neurobiology, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstrasse 7, 80336 Munich, Germany
| | - Bert Klebl
- Lead Discovery Center GmbH, Otto-Hahn-Strasse 15, 44227 Dortmund, Germany
| | - Moritz J. Rossner
- Systasy Bioscience GmbH, Balanstrasse 6, 81669 Munich, Germany
- Section of Molecular Neurobiology, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstrasse 7, 80336 Munich, Germany
| | - Michael C. Wehr
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstrasse 7, 80336 Munich, Germany
- Systasy Bioscience GmbH, Balanstrasse 6, 81669 Munich, Germany
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Ma X, Mandausch FJ, Wu Y, Sahoo VK, Ma W, Leoni G, Hostiuc M, Wintgens JP, Qiu J, Kannaiyan N, Rossner MJ, Wehr MC. Comprehensive split TEV based protein-protein interaction screening reveals TAOK2 as a key modulator of Hippo signalling to limit growth. Cell Signal 2024; 113:110917. [PMID: 37813295 DOI: 10.1016/j.cellsig.2023.110917] [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: 06/14/2023] [Revised: 09/29/2023] [Accepted: 10/06/2023] [Indexed: 10/11/2023]
Abstract
The conserved Hippo signalling pathway plays a crucial role in tumour formation by limiting tissue growth and proliferation. At the core of this pathway are tumour suppressor kinases STK3/4 and LATS1/2, which limit the activity of the oncogene YAP1, the primary downstream effector. Here, we employed a split TEV-based protein-protein interaction screen to assess the physical interactions among 28 key Hippo pathway components and potential upstream modulators. This screen led us to the discovery of TAOK2 as pivotal modulator of Hippo signalling, as it binds to the pathway's core kinases, STK3/4 and LATS1/2, and leads to their phosphorylation. Specifically, our findings revealed that TAOK2 binds to and phosphorylates LATS1, resulting in the reduction of YAP1 phosphorylation and subsequent transcription of oncogenes. Consequently, this decrease led to a decrease in cell proliferation and migration. Interestingly, a correlation was observed between reduced TAOK2 expression and decreased patient survival time in certain types of human cancers, including lung and kidney cancer as well as glioma. Moreover, in cellular models corresponding to these cancer types the downregulation of TAOK2 by CRISPR inhibition led to reduced phosphorylation of LATS1 and increased proliferation rates, supporting TAOK2's role as tumour suppressor gene. By contrast, overexpression of TAOK2 in these cellular models lead to increased phospho-LATS1 but reduced cell proliferation. As TAOK2 is a druggable kinase, targeting TAOK2 could serve as an attractive pharmacological approach to modulate cell growth and potentially offer strategies for combating cancer.
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Affiliation(s)
- Xiao Ma
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstr. 7, 80336 Munich, Germany
| | - Fiona J Mandausch
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstr. 7, 80336 Munich, Germany
| | - Yuxin Wu
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstr. 7, 80336 Munich, Germany
| | - Vivek K Sahoo
- Systasy Bioscience GmbH, Balanstr. 6, 81669, Munich, Germany
| | - Wenbo Ma
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstr. 7, 80336 Munich, Germany
| | - Giovanna Leoni
- Systasy Bioscience GmbH, Balanstr. 6, 81669, Munich, Germany
| | - Madalina Hostiuc
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstr. 7, 80336 Munich, Germany
| | - Jan P Wintgens
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstr. 7, 80336 Munich, Germany
| | - Jiajun Qiu
- Department of Otolaryngology Head & Neck Surgery, The Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | | | - Moritz J Rossner
- Systasy Bioscience GmbH, Balanstr. 6, 81669, Munich, Germany; Section of Molecular Neurobiology, Department of Psychiatry and Psychotherapy, University Hospital, Ludwig Maximilian University of Munich, Nussbaumstr. 7, 80336 Munich, Germany
| | - Michael C Wehr
- Research Group Cell Signalling, Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Nussbaumstr. 7, 80336 Munich, Germany; Systasy Bioscience GmbH, Balanstr. 6, 81669, Munich, Germany.
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Wang S, Zhang F, Mei M, Wang T, Yun Y, Yang S, Zhang G, Yi L. A split protease-E. coli ClpXP system quantifies protein-protein interactions in Escherichia coli cells. Commun Biol 2021; 4:841. [PMID: 34230602 PMCID: PMC8260793 DOI: 10.1038/s42003-021-02374-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 06/10/2021] [Indexed: 12/04/2022] Open
Abstract
Characterizing protein–protein interactions (PPIs) is an effective method to help explore protein function. Here, through integrating a newly identified split human Rhinovirus 3 C (HRV 3 C) protease, super-folder GFP (sfGFP), and ClpXP-SsrA protein degradation machinery, we developed a fluorescence-assisted single-cell methodology (split protease-E. coli ClpXP (SPEC)) to explore protein–protein interactions for both eukaryotic and prokaryotic species in E. coli cells. We firstly identified a highly efficient split HRV 3 C protease with high re-assembly ability and then incorporated it into the SPEC method. The SPEC method could convert the cellular protein-protein interaction to quantitative fluorescence signals through a split HRV 3 C protease-mediated proteolytic reaction with high efficiency and broad temperature adaptability. Using SPEC method, we explored the interactions among effectors of representative type I-E and I-F CRISPR/Cas complexes, which combining with subsequent studies of Cas3 mutations conferred further understanding of the functions and structures of CRISPR/Cas complexes. Wang et al. developed a fluorescence-assisted single-cell methodology (split protease-E. coli ClpXP (SPEC)) to characterise protein-protein interactions for both eukaryotic and prokaryotic species in E. coli cells. Their method can quantify these interactions with high sensitivity, easy manipulation, and broad temperature adaptability
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Affiliation(s)
- Shengchen Wang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Hubei, China
| | - Faying Zhang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Hubei, China
| | - Meng Mei
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Hubei, China
| | - Ting Wang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Hubei, China
| | - Yueli Yun
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Hubei, China
| | - Shihui Yang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Hubei, China
| | - Guimin Zhang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Hubei, China.
| | - Li Yi
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Hubei, China.
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Monitoring activities of receptor tyrosine kinases using a universal adapter in genetically encoded split TEV assays. Cell Mol Life Sci 2019; 76:1185-1199. [PMID: 30623207 PMCID: PMC6675780 DOI: 10.1007/s00018-018-03003-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 12/28/2018] [Indexed: 01/10/2023]
Abstract
Receptor tyrosine kinases (RTKs) play key roles in various aspects of
cell biology, including cell-to-cell communication, proliferation and
differentiation, survival, and tissue homeostasis, and have been implicated in
various diseases including cancer and neurodevelopmental disorders. Ligand-activated
RTKs recruit adapter proteins through a phosphotyrosine (p-Tyr) motif that is
present on the RTK and a p-Tyr-binding domain, like the Src homology 2 (SH2) domain
found in adapter proteins. Notably, numerous combinations of RTK/adapter
combinations exist, making it challenging to compare receptor activities in
standardised assays. In cell-based assays, a regulated adapter recruitment can be
investigated using genetically encoded protein–protein interaction detection
methods, such as the split TEV biosensor assay. Here, we applied the split TEV
technique to robustly monitor the dynamic recruitment of both naturally occurring
full-length adapters and artificial adapters, which are formed of clustered SH2
domains. The applicability of this approach was tested for RTKs from various
subfamilies including the epidermal growth factor (ERBB) family, the insulin
receptor (INSR) family, and the hepatocyte growth factor receptor (HGFR) family.
Best signal-to-noise ratios of ligand-activated RTK receptor activation was obtained
when clustered SH2 domains derived from GRB2 were used as adapters. The sensitivity
and robustness of the RTK recruitment assays were validated in dose-dependent
inhibition assays using the ERBB family-selective antagonists lapatinib and WZ4002.
The RTK split TEV recruitment assays also qualify for high-throughput screening
approaches, suggesting that the artificial adapter may be used as universal adapter
in cell-based profiling assays within pharmacological intervention studies.
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