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Ning Y, Zheng H, Yang Y, Zang H, Wang W, Zhan Y, Wang H, Luo J, Wen Q, Peng J, Xiang J, Fan S. YAP1 synergize with YY1 transcriptional co-repress DUSP1 to induce osimertinib resistant by activating the EGFR/MAPK pathway and abrogating autophagy in non-small cell lung cancer. Int J Biol Sci 2023; 19:2458-2474. [PMID: 37215986 PMCID: PMC10197898 DOI: 10.7150/ijbs.79965] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 04/19/2023] [Indexed: 05/24/2023] Open
Abstract
YAP1 is a well-known core effector of the Hippo pathway in tumors, but its potential role in osimertinib resistance remained unexplored. Our study provides evidence that YAP1 acts as a potent promoter of osimertinib resistance. By inhibiting YAP1 with a novel inhibitor, CA3, and combining it with osimertinib, we observed a significant suppression of cell proliferation and metastasis, induction of apoptosis and autophagy, and a delay in the emergence of osimertinib resistance. Interestingly, CA3 combined with osimertinib executed its anti-metastasis and pro-tumor apoptosis in part through autophagy. Mechanistically, we found that YAP1, in collaboration with YY1, transcriptionally represses DUSP1, leading to the dephosphorylation of the EGFR/MEK/ERK pathway and YAP1 phosphorylation in osimertinib-resistant cells. Our results also validate that CA3, in combination with osimertinib, executes its anti-metastasis and pro-tumor apoptosis partly through autophagy and the YAP1/DUSP1/EGFR/MEK/ERK regulatory feedback loop in osimertinib-resistant cells. Remarkably, our findings illustrate that YAP1 protein is upregulated in patients after osimertinib treatment and osimertinib resistance. Overall, our study confirms that the YAP1 inhibitor CA3 increases DUSP1 with concomitant activation of the EGFR/MAPK pathway and induces autophagy to enhance the efficacy of third-generation EGFR-TKI treatments for NSCLC patients.
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Affiliation(s)
- Yue Ning
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hongmei Zheng
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yang Yang
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hongjing Zang
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Weiyuan Wang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yuting Zhan
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Haihua Wang
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jiadi Luo
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qiuyuan Wen
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jinwu Peng
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Juanjuan Xiang
- Cancer Research Institute, Central South University, Changsha, Hunan, China
| | - Songqing Fan
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
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2
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Chou HC, Cheng CM, Yang CH, Lin TY, Liu YW, Tan TH, Chen YR. DUSP3 regulates phosphorylation-mediated degradation of occludin and is required for maintaining epithelial tight junction. J Biomed Sci 2022; 29:40. [PMID: 35705979 PMCID: PMC9199239 DOI: 10.1186/s12929-022-00826-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 06/08/2022] [Indexed: 12/03/2022] Open
Abstract
Background Tight junctions (TJ) are multi-protein complexes that hold epithelial cells together and form structural and functional barriers for maintaining proper biological activities. Dual specificity phosphatase 3 (DUSP3), a suppressor of multiple protein tyrosine (Tyr) kinases, is decreased in lung cancer tissues. Here we demonstrated the role of DUSP3 in regulation of epithelial TJ. Methods Barrier functions of TJ were examined in wild-type or DUSP3-deficient lung epithelial cells. Animal and clinical data were analyzed for the association between DUSP3 deficiency and lung cancer progression. Proximity ligation assay, immunoblotting, and phosphatase assay were performed to study the effect of DUSP3 on the TJ protein occludin (OCLN). Mutations of Tyr residues on OCLN showed the role of Tyr phosphorylation in regulating OCLN. Results Compared to those of the DUSP3-expressing cells, we found the expression and distribution of ZO-1, a TJ-anchoring molecule, were abnormal in DUSP3-deficient cells. OCLN had an increased phosphorylation level in DUSP3-deficient cells. We identified that OCLN is a direct substrate of DUSP3. DUSP3 regulated OCLN ubiquitination and degradation through decreasing OCLN tyrosine phosphorylation directly or through suppressing focal adhesion kinase, the OCLN kinase. Conclusion Our study revealed that DUSP3 is an important TJ regulatory protein and its decrease may be involved in progression of epithelial cancers. Supplementary Information The online version contains supplementary material available at 10.1186/s12929-022-00826-x.
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Affiliation(s)
- Hsiao-Chin Chou
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan, 35053, Taiwan
| | - Chun-Mei Cheng
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan, 35053, Taiwan
| | - Chi-Hwa Yang
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan, 35053, Taiwan
| | - Tzu-Yin Lin
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan, 35053, Taiwan
| | - Ya-Wen Liu
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan, 35053, Taiwan
| | - Tse-Hua Tan
- Immunology Research Center, National Health Research Institutes, Zhunan, Taiwan.,Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX, USA
| | - Yi-Rong Chen
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan, 35053, Taiwan.
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3
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Cui X, Wang K, Wang T, Li J, Li C, Wang W, Wang H, Wang Z. Crystal Structure Analysis of Cationic Peroxidase from Proso Millet and Identification of Its Phosphatase Active Sites. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6251-6259. [PMID: 34044543 DOI: 10.1021/acs.jafc.1c01606] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Proso millet peroxidase (PmPOD) belongs to class III plant peroxidases, which are enzymes typically characterized by their heme coenzymes. PmPOD exhibits not only heme-dependent peroxidase activity but also heme-independent phosphatase activity. Crystal structure analysis and sequence alignment showed that PmPOD contained a phosphatase catalytic loop CXXXXXR in its β-domain that is similar to the active site of a dual-specific phosphatase. Recombinant truncated proso millet peroxidase (tPmPOD), which contained only a conserved catalytic loop CXXXXXR of phosphatase, was found to exhibit phosphatase activity. Five tPmPOD mutants containing five different mutations in the phosphatase active sites exhibited significantly lower phosphatase activity compared to that of tPmPOD, indicating that the five amino acids play important roles in the phosphatase activity of tPmPOD. Finally, nucleophilic amino acid Cys192 formed a disulfide bond with Cys219 to protect the stability of a sulfhydryl group; thus, it may play a decisive role in the phosphatase activity of PmPOD.
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Affiliation(s)
- Xiaodong Cui
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Biotechnology, Shanxi University, Taiyuan030006, China
| | - Ke Wang
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Biotechnology, Shanxi University, Taiyuan030006, China
| | - Tingfen Wang
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Biotechnology, Shanxi University, Taiyuan030006, China
| | - Jiao Li
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Chen Li
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Wenming Wang
- Institute of Molecular Science, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Hongfei Wang
- Institute of Molecular Science, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Zhuanhua Wang
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Biotechnology, Shanxi University, Taiyuan030006, China
- School of Life Science, Shanxi University, Taiyuan 030006, China
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4
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Huang CF, Mrksich M. Profiling Protein Tyrosine Phosphatase Specificity with Self-Assembled Monolayers for Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry and Peptide Arrays. ACS COMBINATORIAL SCIENCE 2019; 21:760-769. [PMID: 31553163 PMCID: PMC6848775 DOI: 10.1021/acscombsci.9b00152] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The opposing activities of phosphatases and kinases determine the phosphorylation status of proteins, yet kinases have received disproportionate attention in studies of cellular processes, with the roles of phosphatases remaining less understood. This Research Article describes the use of phosphotyrosine-containing peptide arrays together with matrix-assisted laser desorption/ionization (MALDI) mass spectrometry to directly profile phosphatase substrate selectivities. Twenty-two protein tyrosine phosphatases were characterized with the arrays to give a profile of their specificities. An analysis of the data revealed that certain residues in the substrates had a conserved effect on activity for all enzymes tested, including the general rule that inclusion of a basic lysine or arginine residue on either side of the phosphotyrosine decreased activity. This insight also provides a new perspective on the role of a R1152Q mutant in the insulin receptor, which is known to exhibit a lower phosphorylation level and which this work suggests may be due to an increased activity toward phosphatase enzymes. The use of self-assembled monolayers for matrix-assisted laser desorption/ionization mass spectrometry (SAMDI-MS) to provide a rapid and quantitative assay of phosphatase enzymes will be important to gaining a more complete understanding of the biochemistry and biology of this important enzyme class.
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Affiliation(s)
- Che-Fan Huang
- Department of Chemistry, Northwestern University, Evanston, IL 60208, United States
| | - Milan Mrksich
- Department of Chemistry, Northwestern University, Evanston, IL 60208, United States
- Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, United States
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5
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Lountos GT, Raran-Kurussi S, Zhao BM, Dyas BK, Burke TR, Ulrich RG, Waugh DS. High-resolution crystal structures of the D1 and D2 domains of protein tyrosine phosphatase epsilon for structure-based drug design. Acta Crystallogr D Struct Biol 2018; 74:1015-1026. [PMID: 30289412 PMCID: PMC6173050 DOI: 10.1107/s2059798318011919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 08/22/2018] [Indexed: 11/10/2022] Open
Abstract
Here, new crystal structures are presented of the isolated membrane-proximal D1 and distal D2 domains of protein tyrosine phosphatase epsilon (PTPℇ), a protein tyrosine phosphatase that has been shown to play a positive role in the survival of human breast cancer cells. A triple mutant of the PTPℇ D2 domain (A455N/V457Y/E597D) was also constructed to reconstitute the residues of the PTPℇ D1 catalytic domain that are important for phosphatase activity, resulting in only a slight increase in the phosphatase activity compared with the native D2 protein. The structures reported here are of sufficient resolution for structure-based drug design, and a microarray-based assay for high-throughput screening to identify small-molecule inhibitors of the PTPℇ D1 domain is also described.
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Affiliation(s)
- George T. Lountos
- Basic Science Program, Frederick National Laboratory for Cancer Research sponsored by the National Cancer Institute, Frederick, MD 21702, USA
- Macromolecular Crystallography Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Sreejith Raran-Kurussi
- Macromolecular Crystallography Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Bryan M. Zhao
- The Oak Ridge Institute for Science and Education, Oak Ridge, TN 37831, USA
- Molecular and Translational Sciences Division, US Army Medical Research Institute of Infectious Diseases, Frederick, MD 21702, USA
| | - Beverly K. Dyas
- Molecular and Translational Sciences Division, US Army Medical Research Institute of Infectious Diseases, Frederick, MD 21702, USA
| | - Terrence R. Burke
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
| | - Robert G. Ulrich
- Molecular and Translational Sciences Division, US Army Medical Research Institute of Infectious Diseases, Frederick, MD 21702, USA
| | - David S. Waugh
- Macromolecular Crystallography Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA
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6
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Bonnet F, Molina A, Roussat M, Azais M, Bel-Vialar S, Gautrais J, Pituello F, Agius E. Neurogenic decisions require a cell cycle independent function of the CDC25B phosphatase. eLife 2018; 7:32937. [PMID: 29969095 PMCID: PMC6051746 DOI: 10.7554/elife.32937] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 06/08/2018] [Indexed: 01/06/2023] Open
Abstract
A fundamental issue in developmental biology and in organ homeostasis is understanding the molecular mechanisms governing the balance between stem cell maintenance and differentiation into a specific lineage. Accumulating data suggest that cell cycle dynamics play a major role in the regulation of this balance. Here we show that the G2/M cell cycle regulator CDC25B phosphatase is required in mammals to finely tune neuronal production in the neural tube. We show that in chick neural progenitors, CDC25B activity favors fast nuclei departure from the apical surface in early G1, stimulates neurogenic divisions and promotes neuronal differentiation. We design a mathematical model showing that within a limited period of time, cell cycle length modifications cannot account for changes in the ratio of the mode of division. Using a CDC25B point mutation that cannot interact with CDK, we show that part of CDC25B activity is independent of its action on the cell cycle.
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Affiliation(s)
- Frédéric Bonnet
- Centre de Biologie du Développement, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Angie Molina
- Centre de Biologie du Développement, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Mélanie Roussat
- Centre de Biologie du Développement, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Manon Azais
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative., Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Sophie Bel-Vialar
- Centre de Biologie du Développement, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Jacques Gautrais
- Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative., Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Fabienne Pituello
- Centre de Biologie du Développement, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Eric Agius
- Centre de Biologie du Développement, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, Toulouse, France
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7
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Palma A, Tinti M, Paoluzi S, Santonico E, Brandt BW, Hooft van Huijsduijnen R, Masch A, Heringa J, Schutkowski M, Castagnoli L, Cesareni G. Both Intrinsic Substrate Preference and Network Context Contribute to Substrate Selection of Classical Tyrosine Phosphatases. J Biol Chem 2017; 292:4942-4952. [PMID: 28159843 DOI: 10.1074/jbc.m116.757518] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 01/31/2017] [Indexed: 01/19/2023] Open
Abstract
Reversible tyrosine phosphorylation is a widespread post-translational modification mechanism underlying cell physiology. Thus, understanding the mechanisms responsible for substrate selection by kinases and phosphatases is central to our ability to model signal transduction at a system level. Classical protein-tyrosine phosphatases can exhibit substrate specificity in vivo by combining intrinsic enzymatic specificity with the network of protein-protein interactions, which positions the enzymes in close proximity to their substrates. Here we use a high throughput approach, based on high density phosphopeptide chips, to determine the in vitro substrate preference of 16 members of the protein-tyrosine phosphatase family. This approach helped identify one residue in the substrate binding pocket of the phosphatase domain that confers specificity for phosphopeptides in a specific sequence context. We also present a Bayesian model that combines intrinsic enzymatic specificity and interaction information in the context of the human protein interaction network to infer new phosphatase substrates at the proteome level.
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Affiliation(s)
- Anita Palma
- From the Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Michele Tinti
- From the Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Serena Paoluzi
- From the Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Elena Santonico
- From the Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Bernd Willem Brandt
- the Centre for Integrative Bioinformatics, Vrije Universiteit, 1081 HV Amsterdam, The Netherlands, and
| | | | - Antonia Masch
- the Institut für Biochemie & Biotechnologie, Martin-Luther-Universität Halle-Wittenberg, 06108 Halle, Germany
| | - Jaap Heringa
- the Centre for Integrative Bioinformatics, Vrije Universiteit, 1081 HV Amsterdam, The Netherlands, and
| | - Mike Schutkowski
- the Institut für Biochemie & Biotechnologie, Martin-Luther-Universität Halle-Wittenberg, 06108 Halle, Germany
| | - Luisa Castagnoli
- From the Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Gianni Cesareni
- From the Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy,
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8
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Shah S, King EM, Mostafa MM, Altonsy MO, Newton R. DUSP1 Maintains IRF1 and Leads to Increased Expression of IRF1-dependent Genes: A MECHANISM PROMOTING GLUCOCORTICOID INSENSITIVITY. J Biol Chem 2016; 291:21802-21816. [PMID: 27551049 DOI: 10.1074/jbc.m116.728964] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 08/19/2016] [Indexed: 11/06/2022] Open
Abstract
Although the mitogen-activated protein kinase (MAPK) phosphatase, DUSP1, mediates dexamethasone-induced repression of MAPKs, 14 of 46 interleukin-1β (IL1B)-induced mRNAs were significantly enhanced by DUSP1 overexpression in pulmonary A549 cells. These include the interferon regulatory factor, IRF1, and the chemokine, CXCL10. Of these, DUSP1-enhanced mRNAs, 10 including CXCL10, were IRF1-dependent. MAPK inhibitors and DUSP1 overexpression prolonged IRF1 expression by elevating transcription and increasing IRF1 mRNA and protein stability. Conversely, DUSP1 silencing increased IL1B-induced MAPK phosphorylation while significantly reducing IRF1 protein expression at 4 h. This confirms a regulatory network whereby DUSP1 switches off MAPKs to maintain IRF1 expression. There was no repression of IRF1 expression by dexamethasone in primary human bronchial epithelial cells, and in A549 cells IL1B-induced IRF1 protein was only modestly and transiently repressed. Although dexamethasone did not repress IL1B-induced IRF1 protein expression at 4-6 h, silencing of IL1B plus dexamethasone-induced DUSP1 significantly reduced IRF1 expression. IL1B-induced expression of CXCL10 was largely insensitive to dexamethasone, whereas other DUSP1-enhanced, IRF1-dependent mRNAs showed various degrees of repression. With IL1B plus dexamethasone, CXCL10 expression was also IRF1-dependent, and expression was reduced by DUSP1 silencing. Thus, IL1B plus dexamethasone-induced DUSP1 maintains expression of IRF1 and the IRF1-dependent gene, CXCL10. This is supported by chromatin immunoprecipitation showing IRF1 recruitment to be essentially unaffected by dexamethasone at the CXCL10 promoter or at the promoters of more highly repressed IRF1-dependent genes. Since IRF1-dependent genes, such as CXCL10, are central to host defense, these data may help explain the reduced effectiveness of glucocorticoids during asthma exacerbations.
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Affiliation(s)
- Suharsh Shah
- From the Airways Inflammation Research Group, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada T2N 4Z6 and
| | - Elizabeth M King
- From the Airways Inflammation Research Group, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada T2N 4Z6 and
| | - Mahmoud M Mostafa
- From the Airways Inflammation Research Group, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada T2N 4Z6 and
| | - Mohammed O Altonsy
- From the Airways Inflammation Research Group, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada T2N 4Z6 and.,Department of Zoology, Sohag University, Sohag 825224, Egypt
| | - Robert Newton
- From the Airways Inflammation Research Group, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada T2N 4Z6 and
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