1
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Zhu C, Zhao H, Yang W, Chen K, Liu X, Yu Y, Li R, Tan R, Yu Z. Design, Synthesis and Antitumor Activity of a Novel Class of SHP2 Allosteric Inhibitors with a Furanyl Amide-Based Scaffold. J Med Chem 2024. [PMID: 39066713 DOI: 10.1021/acs.jmedchem.4c01217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
SHP2 plays a critical role in modulating tumor growth and PD-1-related signaling pathway, thereby serving as an attractive antitumor target. To date, no antitumor drugs targeting SHP2 have been approved, and hence, the search of SHP2 inhibitors with new chemical scaffolds is urgently needed. Herein, we developed a novel SHP2 allosteric inhibitor SDUY038 with a furanyl amide scaffold, demonstrating potent binding affinity (KD = 0.29 μM), enzymatic activity (IC50 = 1.2 μM) and similar binding interactions to SHP099. At the cellular level, SDUY038 exhibited pan-antitumor activity (IC50 = 7-24 μM) by suppressing pERK expression. Furthermore, SDUY038 significantly inhibited tumor growth in both xenograft and organoid models. Additionally, SDUY038 displayed acceptable bioavailability (F = 14%) and half-life time (t1/2 = 3.95 h). Conclusively, this study introduces the furanyl amide scaffold as a novel class of SHP2 allosteric inhibitors, offering promising lead compounds for further development of new antitumor therapies targeting SHP2.
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Affiliation(s)
- Chengchun Zhu
- School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, P.R. China
| | - Haiyang Zhao
- School of Life Science and Engineering, Southwest University of Science and Technology, No. 59, Middle Section of Qinglong Avenue, Mianyang 621010, P.R. China
- Center for Organoids and Translational Pharmacology, Translational Chinese Medicine Key Laboratory of Sichuan Province, Sichuan Institute for Translational Chinese Medicine, Sichuan Academy of Chinese Medicine Sciences, Chengdu 610041, P.R. China
| | - Wenting Yang
- School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, P.R. China
| | - Kai Chen
- Center for New Drug Evaluation, Shandong Academy of Pharmaceutical Sciences, Jinan 250000, P.R. China
| | - Xiaoyu Liu
- Center for New Drug Evaluation, Shandong Academy of Pharmaceutical Sciences, Jinan 250000, P.R. China
| | - Yan Yu
- School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, P.R. China
| | - Rui Li
- Sichuan Cancer Hospital and Institute, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, South Renmin Road, Chengdu 610041, P.R. China
| | - Ruirong Tan
- Center for Organoids and Translational Pharmacology, Translational Chinese Medicine Key Laboratory of Sichuan Province, Sichuan Institute for Translational Chinese Medicine, Sichuan Academy of Chinese Medicine Sciences, Chengdu 610041, P.R. China
| | - Zhiyi Yu
- School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, P.R. China
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2
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Fan H, Hu X, Cao F, Zhou L, Wen R, Shen H, Fu Y, Zhu X, Jia H, Liu Z, Wang G, Yu G, Chang W, Zhang W. WWP1 inhibition increases SHP2 inhibitor efficacy in colorectal cancer. NPJ Precis Oncol 2024; 8:144. [PMID: 39014007 PMCID: PMC11252267 DOI: 10.1038/s41698-024-00650-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Accepted: 07/09/2024] [Indexed: 07/18/2024] Open
Abstract
Protein tyrosine phosphatase SHP2 activates RAS signaling, which is a novel target for colorectal cancer (CRC) therapy. However, SHP2 inhibitor monotherapy is ineffective for metastatic CRC and a combination therapy is required. In this study, we aimed to improve the antitumor efficacy of SHP2 inhibition and try to explore the resistance mechanism of SHP2 inhibitor. Results showed that WWP1 promoted the proliferation of CRC cells. Genetic or pharmacological inhibition of WWP1 enhanced the effect of SHP2 inhibitor in suppressing tumor growth in vitro and in vivo. WWP1 may mediate feedback reactivation of AKT signaling following SHP2 inhibition. Furthermore, nomogram models constructed with IHC expression of WWP1 and SHP2 greatly improved the accuracy of prognosis prediction for patients with CRC. Our findings indicate that WWP1 inhibitor I3C can synergize with SHP2 inhibitor and is expected to be a new strategy for clinical trials in treating advanced CRC patients.
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Affiliation(s)
- Hao Fan
- Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Xuefei Hu
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Fuao Cao
- Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Leqi Zhou
- Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Rongbo Wen
- Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Hao Shen
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Yating Fu
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Naval Medical University, Shanghai, China
| | - Xiaoming Zhu
- Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Hang Jia
- Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Zixuan Liu
- Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Guimin Wang
- Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Guanyu Yu
- Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, China.
| | - Wenjun Chang
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Naval Medical University, Shanghai, China.
| | - Wei Zhang
- Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai, China.
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3
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Zhou Y, Yao Z, Lin Y, Zhang H. From Tyrosine Kinases to Tyrosine Phosphatases: New Therapeutic Targets in Cancers and Beyond. Pharmaceutics 2024; 16:888. [PMID: 39065585 PMCID: PMC11279542 DOI: 10.3390/pharmaceutics16070888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 06/20/2024] [Accepted: 06/27/2024] [Indexed: 07/28/2024] Open
Abstract
Protein tyrosine kinases (PTKs) and protein tyrosine phosphatases (PTPs) regulate the level of tyrosine phosphorylation in proteins. PTKs are key enzymes that catalyze the transfer of an ATP phosphoric acid to a tyrosine residue on target protein substrates. Protein tyrosine phosphatases (PTPs) are responsible for the dephosphorylation of tyrosine residues and play a role in countering PTK overactivity. As widespread oncogenes, PTKs were once considered to be promising targets for therapy. However, tyrosine kinase inhibitors (TKIs) now face a number of challenges, including drug resistance and toxic side effects. Treatment strategies now need to be developed from a new perspective. In this review, we assess the current state of TKIs and highlight the role of PTPs in cancer and other diseases. With the advances of allosteric inhibition and the development of multiple alternative proprietary drug strategies, the reputation of PTPs as "undruggable" targets has been overturned, and they are now considered viable therapeutic targets. We also discuss the strategies and prospects of PTP-targeted therapy, as well as its future development.
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Affiliation(s)
- Yu Zhou
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, and Institute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou 510632, China; (Y.Z.); (Z.Y.); (Y.L.)
| | - Zhimeng Yao
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, and Institute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou 510632, China; (Y.Z.); (Z.Y.); (Y.L.)
- Department of Urology Surgery, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou 510660, China
| | - Yusheng Lin
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, and Institute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou 510632, China; (Y.Z.); (Z.Y.); (Y.L.)
- Department of Thoracic Surgery, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou 510660, China
| | - Hao Zhang
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, MOE Key Laboratory of Tumor Molecular Biology, and Institute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou 510632, China; (Y.Z.); (Z.Y.); (Y.L.)
- Department of Pathology, Gongli Hospital of Shanghai Pudong New Area, Shanghai 200135, China
- Zhuhai Institute of Jinan University, Zhuhai 511436, China
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4
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Liu Y, Jang H, Nussinov R. SHP2-EGFR States in Dephosphorylation Can Inform Selective SHP2 Inhibitors, Dampening RasGAP Action. J Phys Chem B 2024; 128:5175-5187. [PMID: 38747619 DOI: 10.1021/acs.jpcb.4c00873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
SHP2 is a positive regulator of the EGFR-dependent Ras/MAPK pathway. It dephosphorylates a regulatory phosphorylation site in EGFR that serves as the binding site to RasGAP (RASA1 or p120RasGAP). RASA1 is activated by binding to the EGFR phosphate group. Active RASA1 deactivates Ras by hydrolyzing Ras-bound GTP to GDP. Thus, SHP2 dephosphorylation of EGFR effectively prevents RASA1-mediated deactivation of Ras, thereby stimulating proliferation. Despite knowledge of this vital regulation in cell life, mechanistic in-depth structural understanding of the involvement of SHP2, EGFR, and RASA1 in the Ras/MAPK pathway has largely remained elusive. Here we elucidate the interactions, the factors influencing EGFR's recruitment of RASA1, and SHP2's recognition of the substrate site in EGFR. We reveal that RASA1 specifically interacts with the DEpY992LIP motif in EGFR featuring a proline residue at the +3 position C-terminal to pY primarily through its nSH2 domain. This interaction is strengthened by the robust attraction of two acidic residues, E991 and D990, of EGFR to two basic residues in the BC-loop near the pY-binding pocket of RASA1's nSH2. In the stable precatalytic state of SHP2 with EGFR (DADEpY992LIPQ), the E-loop of SHP2's active site favors the interaction with the (-2)-position D990 and (-4)-position D988 N-terminal to pY992 in EGFR, while the pY-loop constrains the (+4)-position Q996 C-terminal to pY992. These specific interactions not only provide a structural basis for identifying negative regulatory sites in other RTKs but can inform selective, high-affinity active-site SHP2 inhibitors tailored for SHP2 mutants.
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Affiliation(s)
- Yonglan Liu
- Cancer Innovation Laboratory, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Hyunbum Jang
- Computational Structural Biology Section, Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702, United States
| | - Ruth Nussinov
- Computational Structural Biology Section, Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702, United States
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
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5
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Liang W, Krabill AD, Gallagher KS, Muli C, Qu Z, Trader D, Zhang ZY, Dai M. Natural Product-Inspired Molecules for Covalent Inhibition of SHP2 Tyrosine Phosphatase. Tetrahedron 2024; 156:133918. [PMID: 38618612 PMCID: PMC11008911 DOI: 10.1016/j.tet.2024.133918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Natural products have been playing indispensable roles in the development of lifesaving drug molecules. They are also valuable sources for covalent protein modifiers. However, they often are scarce in nature and have complex chemical structures, which are limiting their further biomedical development. Thus, natural product-inspired small molecules which still contain the essence of the parent natural products but are readily available and amenable for structural modification, are important and desirable in searching for lead compounds for various disease treatment. Inspired by the complex and diverse ent-kaurene diterpenoids with significant biological activities, we have created a synthetically accessible and focused covalent library by incorporating the bicyclo[3.2.1]octane α-methylene ketone, which is considered as the pharmacophore of ent-kaurene diterpenoids, as half of the structure, and replacing the other half with much less complex but more druglike scaffolds. From this library, we have identified and characterized selective covalent inhibitors of protein tyrosine phosphatase SHP2, an important anti-cancer therapeutic target. The success of this study demonstrated the importance of creating and evaluating natural product-inspired library as well as their application in targeting challenging disease targets.
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Affiliation(s)
- Weida Liang
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, United States
| | - Aaron D Krabill
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, United States
| | - Katelyn S Gallagher
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, United States
| | - Christine Muli
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, United States
| | - Zihan Qu
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, United States
| | - Darci Trader
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, United States
- Institute for Cancer Research, Purdue University, West Lafayette, IN 47907, United States
- Institute for Drug Discovery, Purdue University, West Lafayette, IN 47907, United States
| | - Zhong-Yin Zhang
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, United States
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, United States
- Institute for Cancer Research, Purdue University, West Lafayette, IN 47907, United States
- Institute for Drug Discovery, Purdue University, West Lafayette, IN 47907, United States
| | - Mingji Dai
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, United States
- Institute for Cancer Research, Purdue University, West Lafayette, IN 47907, United States
- Institute for Drug Discovery, Purdue University, West Lafayette, IN 47907, United States
- Department of Chemistry, Emory University, Atlanta, GA 30322, United States
- Department of Pharmacology and Chemical Biology, Emory University, Atlanta, GA 30322, United States
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6
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Perez-Quintero LA, Abidin BM, Tremblay ML. Immunotherapeutic implications of negative regulation by protein tyrosine phosphatases in T cells: the emerging cases of PTP1B and TCPTP. Front Med (Lausanne) 2024; 11:1364778. [PMID: 38707187 PMCID: PMC11066278 DOI: 10.3389/fmed.2024.1364778] [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: 01/03/2024] [Accepted: 03/27/2024] [Indexed: 05/07/2024] Open
Abstract
In the context of inflammation, T cell activation occurs by the concerted signals of the T cell receptor (TCR), co-stimulatory receptors ligation, and a pro-inflammatory cytokine microenvironment. Fine-tuning these signals is crucial to maintain T cell homeostasis and prevent self-reactivity while offering protection against infectious diseases and cancer. Recent developments in understanding the complex crosstalk between the molecular events controlling T cell activation and the balancing regulatory cues offer novel approaches for the development of T cell-based immunotherapies. Among the complex regulatory processes, the balance between protein tyrosine kinases (PTK) and the protein tyrosine phosphatases (PTPs) controls the transcriptional and metabolic programs that determine T cell function, fate decision, and activation. In those, PTPs are de facto regulators of signaling in T cells acting for the most part as negative regulators of the canonical TCR pathway, costimulatory molecules such as CD28, and cytokine signaling. In this review, we examine the function of two close PTP homologs, PTP1B (PTPN1) and T-cell PTP (TCPTP; PTPN2), which have been recently identified as promising candidates for novel T-cell immunotherapeutic approaches. Herein, we focus on recent studies that examine the known contributions of these PTPs to T-cell development, homeostasis, and T-cell-mediated immunity. Additionally, we describe the signaling networks that underscored the ability of TCPTP and PTP1B, either individually and notably in combination, to attenuate TCR and JAK/STAT signals affecting T cell responses. Thus, we anticipate that uncovering the role of these two PTPs in T-cell biology may lead to new treatment strategies in the field of cancer immunotherapy. This review concludes by exploring the impacts and risks that pharmacological inhibition of these PTP enzymes offers as a therapeutic approach in T-cell-based immunotherapies.
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Affiliation(s)
- Luis Alberto Perez-Quintero
- Rosalind and Morris Goodman Cancer Institute, Faculty of Medicine, McGill University, Montreal, QC, Canada
- Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - Belma Melda Abidin
- Rosalind and Morris Goodman Cancer Institute, Faculty of Medicine, McGill University, Montreal, QC, Canada
- Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - Michel L. Tremblay
- Rosalind and Morris Goodman Cancer Institute, Faculty of Medicine, McGill University, Montreal, QC, Canada
- Department of Biochemistry, McGill University, Montreal, QC, Canada
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7
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Wang P, Han Y, Pan W, Du J, Zuo D, Ba Y, Zhang H. Tyrosine phosphatase SHP2 aggravates tumor progression and glycolysis by dephosphorylating PKM2 in gastric cancer. MedComm (Beijing) 2024; 5:e527. [PMID: 38576457 PMCID: PMC10993348 DOI: 10.1002/mco2.527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 11/26/2023] [Accepted: 12/22/2023] [Indexed: 04/06/2024] Open
Abstract
Gastric cancer (GC) is among the most lethal human malignancies, yet it remains hampered by challenges in fronter of molecular-guided targeted therapy to direct clinical treatment strategies. The protein tyrosine phosphatase Src homology 2 domain-containing phosphatase 2 (SHP2) is involved in the malignant progression of GC. However, the detailed mechanisms of the posttranslational modifications of SHP2 remain poorly understood. Herein, we demonstrated that an allosteric SHP2 inhibitor, SHP099, was able to block tumor proliferation and migration of GC by dephosphorylating the pyruvate kinase M2 type (PKM2) protein. Mechanistically, we found that PKM2 is a bona fide target of SHP2. The dephosphorylation and activation of PKM2 by SHP2 are necessary to exacerbate tumor progression and GC glycolysis. Moreover, we demonstrated a strong correlation between the phosphorylation level of PKM2 and adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) in GC cells. Notably, the low phosphorylation expression of AMPK was negatively correlated with activated SHP2. Besides, we proved that cisplatin could activate SHP2 and SHP099 increased sensitivity to cisplatin in GC. Taken together, our results provide evidence that the SHP2/PKM2/AMPK axis exerts a key role in GC progression and glycolysis and could be a viable therapeutic approach for the therapy of GC.
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Affiliation(s)
- Peiyun Wang
- Tianjin Medical University Cancer Institute and HospitalNational Clinical Research Center for CancerTianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin Medical UniversityTianjinChina
| | - Yueting Han
- Tianjin Medical University Cancer Institute and HospitalNational Clinical Research Center for CancerTianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin Medical UniversityTianjinChina
| | - Wen Pan
- Tianjin Medical University Cancer Institute and HospitalNational Clinical Research Center for CancerTianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin Medical UniversityTianjinChina
| | - Jian Du
- Tianjin Medical University Cancer Institute and HospitalNational Clinical Research Center for CancerTianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin Medical UniversityTianjinChina
| | - Duo Zuo
- Tianjin Medical University Cancer Institute and HospitalNational Clinical Research Center for CancerTianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin Medical UniversityTianjinChina
| | - Yi Ba
- Tianjin Medical University Cancer Institute and HospitalNational Clinical Research Center for CancerTianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin Medical UniversityTianjinChina
| | - Haiyang Zhang
- Tianjin Medical University Cancer Institute and HospitalNational Clinical Research Center for CancerTianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin Medical UniversityTianjinChina
- The Institute of Translational MedicineTianjin Union Medical Center of Nankai UniversityTianjinChina
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8
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Cheng Y, Ouyang W, Liu L, Tang L, Zhang Z, Yue X, Liang L, Hu J, Luo T. Molecular recognition of ITIM/ITSM domains with SHP2 and their allosteric effect. Phys Chem Chem Phys 2024; 26:9155-9169. [PMID: 38165855 DOI: 10.1039/d3cp03923d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
Src homology 2-domain-containing tyrosine phosphatase 2 (SHP2) is a non-receptor protein tyrosine phosphatase that is widely expressed in a variety of cells and regulates the immune response of T cells through the PD-1 pathway. However, the activation mechanism and allosteric effects of SHP2 remain unclear, hindering the development of small molecule inhibitors. For the first time, in this study, the complex structure formed by the intact PD-1 tail and SHP2 was modeled. The molecular recognition and conformational changes of inactive/active SHP2 versus ITIM/ITSM were compared based on prolonged MD simulations. The relative flexibility of the two SH2 domains during MD simulations contributes to the recruitment of ITIM/ITSM and supports the subsequent conformational change of SHP2. The binding free energy calculation shows that inactive SHP2 has a higher affinity for ITIM/ITSM than active SHP2, mainly because the former's N-SH2 refers to the α-state. In addition, a significant decrease in the contribution to the binding energy of certain residues (e.g., R32, S34, K35, T42, and K55) of conformationally transformed SHP2 contributes to the above result. These detailed changes during conformational transition will provide theoretical guidance for the molecular design of subsequent novel anticancer drugs.
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Affiliation(s)
- Yan Cheng
- Breast Disease Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610000, China.
- Multi-omics Laboratory of Breast Diseases, State Key Laboratory of Biotherapy, National Collaborative, Innovation Center for Biotherapy, West China Hospital, Sichuan University, China
| | - Weiwei Ouyang
- Department of Thoracic Oncology, Affiliated Cancer Hospital, Guizhou Medical University, Guiyang, China
| | - Ling Liu
- Key Laboratory of Medicinal and Edible Plants Resources, Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
| | - Lingkai Tang
- Key Laboratory of Medicinal and Edible Plants Resources, Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
| | - Zhigang Zhang
- Key Laboratory of Medicinal and Edible Plants Resources, Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
| | - Xinru Yue
- Key Laboratory of Medicinal and Edible Plants Resources, Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
| | - Li Liang
- Key Laboratory of Medicinal and Edible Plants Resources, Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
| | - Jianping Hu
- Key Laboratory of Medicinal and Edible Plants Resources, Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
| | - Ting Luo
- Breast Disease Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610000, China.
- Multi-omics Laboratory of Breast Diseases, State Key Laboratory of Biotherapy, National Collaborative, Innovation Center for Biotherapy, West China Hospital, Sichuan University, China
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9
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Nian Q, Li Y, Li J, Zhao L, Rodrigues Lima F, Zeng J, Liu R, Ye Z. U2AF1 in various neoplastic diseases and relevant targeted therapies for malignant cancers with complex mutations (Review). Oncol Rep 2024; 51:5. [PMID: 37975232 PMCID: PMC10688450 DOI: 10.3892/or.2023.8664] [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: 10/03/2023] [Accepted: 11/03/2023] [Indexed: 11/19/2023] Open
Abstract
U2 small nuclear RNA auxiliary factor 1 (U2AF1) is a multifunctional protein that plays a crucial role in the regulation of RNA splicing during eukaryotic gene expression. U2AF1 belongs to the SR family of splicing factors and is involved in the removal of introns from mRNAs and exon-exon binding. Mutations in U2AF1 are frequently observed in myelodysplastic syndrome, primary myelofibrosis, chronic myelomonocytic leukaemia, hairy cell leukaemia and other solid tumours, particularly in lung, pancreatic, and ovarian carcinomas. Therefore, targeting U2AF1 for therapeutic interventions may be a viable strategy for treating malignant diseases. In the present review, the pathogenic mechanisms associated with U2AF1 in different malignant diseases were summarized, and the potential of related targeting agents was discussed. Additionally, the feasibility of natural product-based therapies directed against U2AF1 was explored.
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Affiliation(s)
- Qing Nian
- Department of Transfusion, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, P.R. China
| | - Yihui Li
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Laboratory, Beijing 100730, P.R. China
| | - Jingwei Li
- Department of Transfusion, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, P.R. China
| | - Liyun Zhao
- Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, P.R. China
| | - Fernando Rodrigues Lima
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, 75013 Paris, France
| | - Jinhao Zeng
- Department of Gastroenterology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610000, P.R. China
| | - Rongxing Liu
- Department of Pharmacy, The Second Affiliated Hospital, Army Medical University, Chongqing 400000, P.R. China
| | - Zhijun Ye
- Department of Clinical Nutrition, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan 610072, P.R. China
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10
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Liu Y, Zhang W, Jang H, Nussinov R. SHP2 clinical phenotype, cancer, or RASopathies, can be predicted by mutant conformational propensities. Cell Mol Life Sci 2023; 81:5. [PMID: 38085330 PMCID: PMC11072105 DOI: 10.1007/s00018-023-05052-8] [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: 07/12/2023] [Revised: 10/20/2023] [Accepted: 11/11/2023] [Indexed: 12/18/2023]
Abstract
SHP2 phosphatase promotes full activation of the RTK-dependent Ras/MAPK pathway. Its mutations can drive cancer and RASopathies, a group of neurodevelopmental disorders (NDDs). Here we ask how same residue mutations in SHP2 can lead to both cancer and NDD phenotypes, and whether we can predict what the outcome will be. We collected and analyzed mutation data from the literature and cancer databases and performed molecular dynamics simulations of SHP2 mutants. We show that both cancer and Noonan syndrome (NS, a RASopathy) mutations favor catalysis-prone conformations. As to cancer versus RASopathies, we demonstrate that cancer mutations are more likely to accelerate SHP2 activation than the NS mutations at the same genomic loci, in line with NMR data for K-Ras4B more aggressive mutations. The compiled experimental data and dynamic features of SHP2 mutants lead us to propose that different from strong oncogenic mutations, SHP2 activation by NS mutations is less likely to induce a transition of the ensemble from the SHP2 inactive state to the active state. Strong signaling promotes cell proliferation, a hallmark of cancer. Weak, or moderate signals are associated with differentiation. In embryonic neural cells, dysregulated differentiation is connected to NDDs. Our innovative work offers structural guidelines for identifying and correlating mutations with clinical outcomes, and an explanation for why bearers of RASopathy mutations may have a higher probability of cancer. Finally, we propose a drug strategy against SHP2 variants-promoting cancer and RASopathies.
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Affiliation(s)
- Yonglan Liu
- Cancer Innovation Laboratory, National Cancer Institute, Frederick, MD, 21702, USA
| | - Wengang Zhang
- Cancer Innovation Laboratory, National Cancer Institute, Frederick, MD, 21702, USA
| | - Hyunbum Jang
- Computational Structural Biology Section, Frederick National Laboratory for Cancer Research, Frederick, MD, 21702, USA
| | - Ruth Nussinov
- Computational Structural Biology Section, Frederick National Laboratory for Cancer Research, Frederick, MD, 21702, USA.
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, 69978, Tel Aviv, Israel.
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11
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Chen C, Cheng Y, Lei H, Feng X, Zhang H, Qi L, Wan J, Xu H, Zhao X, Zhang Y, Yang B. SHP2 potentiates anti-PD-1 effectiveness through intervening cell pyroptosis resistance in triple-negative breast cancer. Biomed Pharmacother 2023; 168:115797. [PMID: 37913735 DOI: 10.1016/j.biopha.2023.115797] [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: 08/22/2023] [Revised: 10/14/2023] [Accepted: 10/26/2023] [Indexed: 11/03/2023] Open
Abstract
Triple negative breast cancer (TNBC) presents a formidable challenge due to the lack of effective treatment modalities. Immunotherapy stands as a promising therapeutic approach; however, the emergence of drug resistance mechanisms within tumor cells, particularly those targeting apoptosis and pyroptosis, has hampered its clinical efficacy. SHP2 is intricately involved in diverse physiological processes, including immune cell proliferation, infiltration, and tumor progression. Nevertheless, the precise contribution of SHP2 to tumor cell pyroptosis resistance remains inadequately understood. Herein, we demonstrate that SHP2 inhibition hampers the proliferative, migratory, and invasive capabilities of TNBC, accompanied by noticeable alterations in cellular membrane architecture. Mechanistically, we provide evidence that SHP2 depletion triggers the activation of Caspase-1 and GSDMD, resulting in GSDMD-dependent release of LDH, IL-1β, and IL-18. Furthermore, computational analyses and co-localization investigations substantiate the hypothesis that SHP2 may hinder pyroptosis through direct binding to JNK, thereby impeding JNK phosphorylation. Our cellular experiments further corroborate these findings by demonstrating that JNK inhibition rescues pyroptosis induced by SHP2 knockdown. Strikingly, in vivo experiments validate the suppressive impact of SHP2 knockdown on tumor progression via enhanced JNK phosphorylation. Additionally, SHP2 knockdown augments tumor sensitivity to anti-PD-1 therapy, thus reinforcing the pro-pyroptotic effects and inhibiting tumor growth. In summary, our findings elucidate the mechanism by which SHP2 governs TNBC pyroptosis, underscoring the potential of SHP2 inhibition to suppress cell pyroptosis resistance and its utility as an adjunctive agent for tumor immunotherapy.
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Affiliation(s)
- Chao Chen
- Department of Pharmacology, College of Basic Medical Sciences, Jilin University, 126 Ximin street, Chaoyang District, Changchun, Jilin 130021, China
| | - Yuanyuan Cheng
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Harbin Medical University, 157 Baojian Rd, Nangang District, Harbin, Heilongjiang 150081, China
| | - Haoqi Lei
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Harbin Medical University, 157 Baojian Rd, Nangang District, Harbin, Heilongjiang 150081, China
| | - Xuefei Feng
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Harbin Medical University, 157 Baojian Rd, Nangang District, Harbin, Heilongjiang 150081, China
| | - Hongxia Zhang
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Harbin Medical University, 157 Baojian Rd, Nangang District, Harbin, Heilongjiang 150081, China
| | - Lingling Qi
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Harbin Medical University, 157 Baojian Rd, Nangang District, Harbin, Heilongjiang 150081, China
| | - Jufeng Wan
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Harbin Medical University, 157 Baojian Rd, Nangang District, Harbin, Heilongjiang 150081, China
| | - Haiying Xu
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Harbin Medical University, 157 Baojian Rd, Nangang District, Harbin, Heilongjiang 150081, China
| | - Xin Zhao
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Harbin Medical University, 157 Baojian Rd, Nangang District, Harbin, Heilongjiang 150081, China.
| | - Yan Zhang
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Harbin Medical University, 157 Baojian Rd, Nangang District, Harbin, Heilongjiang 150081, China.
| | - Baofeng Yang
- Department of Pharmacology, College of Basic Medical Sciences, Jilin University, 126 Ximin street, Chaoyang District, Changchun, Jilin 130021, China.
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12
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Celada SI, Lim CX, Carisey AF, Ochsner SA, Arce Deza CF, Rexie P, Poli De Frias F, Cardenas-Castillo R, Polverino F, Hengstschläger M, Tsoyi K, McKenna NJ, Kheradmand F, Weichhart T, Rosas IO, Van Kaer L, Celada LJ. SHP2 promotes sarcoidosis severity by inhibiting SKP2-targeted ubiquitination of TBET in CD8 + T cells. Sci Transl Med 2023; 15:eade2581. [PMID: 37703351 PMCID: PMC11126869 DOI: 10.1126/scitranslmed.ade2581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 08/24/2023] [Indexed: 09/15/2023]
Abstract
Sarcoidosis is an interstitial lung disease (ILD) characterized by interferon-γ (IFN-γ) and T-box expressed in T cells (TBET) dysregulation. Although one-third of patients progress from granulomatous inflammation to severe lung damage, the molecular mechanisms underlying this process remain unclear. Here, we found that pharmacological inhibition of phosphorylated SH2-containing protein tyrosine phosphatase-2 (pSHP2), a facilitator of aberrant IFN-γ abundance, decreased large granuloma formation and macrophage infiltration in the lungs of mice with sarcoidosis-like disease. Positive treatment outcomes were dependent on the effective enhancement of TBET ubiquitination within CD8+ T cells. Mechanistically, we identified a posttranslational modification pathway in which the E3 F-box protein S-phase kinase-associated protein 2 (SKP2) targets TBET for ubiquitination in T cells under normal conditions. However, this pathway was disrupted by aberrant pSHP2 signaling in CD8+ T cells from patients with progressive pulmonary sarcoidosis and end-stage disease. Ex vivo inhibition of pSHP2 in CD8+ T cells from patients with end-stage sarcoidosis enhanced TBET ubiquitination and suppressed IFN-γ and collagen synthesis. Therefore, these studies provided new mechanistic insights into the SHP2-dependent posttranslational regulation of TBET and identified SHP2 inhibition as a potential therapeutic intervention against severe sarcoidosis. Furthermore, these studies also suggest that the small-molecule SHP2 inhibitor SHP099 might be used as a therapeutic measure against human diseases linked to TBET or ubiquitination.
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Affiliation(s)
- Sherly I. Celada
- Department of Biological Sciences, Tennessee State University, Nashville, TN 37209, USA
| | - Clarice X. Lim
- Center of Pathobiochemistry and Genetics, Institute of Medical Genetics, Medical University of Vienna, Vienna, Austria
| | - Alexandre F. Carisey
- William T. Shearer Center for Human Immunobiology, Texas Children’s Hospital, Houston, TX 77030, USA
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA
- Department of Cell and Molecular Biology, St. Jude Children’s Hospital, Memphis, TN 38105, USA
| | - Scott A. Ochsner
- Department of Molecular and Cellular Biology, Houston, TX 77030, USA
| | - Carlos F. Arce Deza
- Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Praveen Rexie
- Center of Pathobiochemistry and Genetics, Institute of Medical Genetics, Medical University of Vienna, Vienna, Austria
| | - Fernando Poli De Frias
- Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Mout Sinai Medical Center, Miami Beach, FL 33140, USA
| | - Rafael Cardenas-Castillo
- Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Francesca Polverino
- Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Markus Hengstschläger
- Center of Pathobiochemistry and Genetics, Institute of Medical Genetics, Medical University of Vienna, Vienna, Austria
| | - Konstantin Tsoyi
- Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Neil J. McKenna
- Department of Molecular and Cellular Biology, Houston, TX 77030, USA
| | - Farrah Kheradmand
- Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Center for Translational Research on Inflammatory Diseases, Michael E. DeBakey, Houston, TX 77030, USA
| | - Thomas Weichhart
- Center of Pathobiochemistry and Genetics, Institute of Medical Genetics, Medical University of Vienna, Vienna, Austria
| | - Ivan O. Rosas
- Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Luc Van Kaer
- Department of Pathology, Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, TN 37232 USA
| | - Lindsay J. Celada
- Department of Medicine, Section of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN 37232 USA
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13
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Fernández DI, Diender M, Hermida-Nogueira L, Huang J, Veiras S, Henskens YMC, Te Loo MWM, Heemskerk JWM, Kuijpers MJE, García Á. Role of SHP2 (PTPN11) in glycoprotein VI-dependent thrombus formation: Improved platelet responsiveness by the allosteric drug SHP099 in Noonan syndrome patients. Thromb Res 2023; 228:105-116. [PMID: 37302266 DOI: 10.1016/j.thromres.2023.06.001] [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: 12/16/2022] [Revised: 05/26/2023] [Accepted: 06/02/2023] [Indexed: 06/13/2023]
Abstract
INTRODUCTION The protein tyrosine phosphatase SHP2 (PTPN11) is a negative regulator of glycoprotein VI (GPVI)-induced platelet signal under certain conditions. Clinical trials with derivatives of the allosteric drug SHP099, inhibiting SHP2, are ongoing as potential therapy for solid cancers. Gain-of-function mutations of the PTPN11 gene are observed in part of the patients with the Noonan syndrome, associated with a mild bleeding disorder. Assessment of the effects of SHP2 inhibition in platelets from controls and Noonan syndrome patients. MATERIALS AND METHODS Washed human platelets were incubated with SHP099 and stimulated with collagen-related peptide (CRP) for stirred aggregation and flow cytometric measurements. Whole-blood microfluidics assays using a dosed collagen and tissue factor coating were performed to assess shear-dependent thrombus and fibrin formation. Effects on clot formation were evaluated by thromboelastometry. RESULTS Pharmacological inhibition of SHP2 did not alter GPVI-dependent platelet aggregation under stirring, but it enhanced integrin αIIbβ3 activation in response to CRP. Using whole-blood microfluidics, SHP099 increased the thrombus buildup on collagen surfaces. In the presence of tissue factor and coagulation, SHP099 increased thrombus size and reduced time to fibrin formation. Blood from PTPN11-mutated Noonan syndrome patients, with low platelet responsiveness, after ex vivo treatment with SHP099 showed a normalized platelet function. In thromboelastometry, SHP2 inhibition tended to increase tissue factor-induced blood clotting profiles with tranexamic acid, preventing fibrinolysis. CONCLUSION Pharmacological inhibition of SHP2 by the allosteric drug SHP099 enhances GPVI-induced platelet activation under shear conditions with a potential to improve platelet functions of Noonan syndrome patients.
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Affiliation(s)
- Delia I Fernández
- Platelet Proteomics Group, Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), Universidade de Santiago de Compostela, and Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain; Department of Biochemistry, CARIM, Maastricht University, 6200 MD Maastricht, the Netherlands.
| | - Marije Diender
- Department of Pediatric Hematology, Amalia children's hospital, Radboud UMC, Nijmegen, the Netherlands
| | - Lidia Hermida-Nogueira
- Platelet Proteomics Group, Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), Universidade de Santiago de Compostela, and Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain
| | - Jingnan Huang
- Platelet Proteomics Group, Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), Universidade de Santiago de Compostela, and Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain; Department of Biochemistry, CARIM, Maastricht University, 6200 MD Maastricht, the Netherlands; ISAS Leibniz-Institut fur Analytische Wissenschaften-ISAS-e.V., 44227 Dortmund, Germany
| | - Sonia Veiras
- Department of Anesthesiology and Intensive Care Medicine, Clinical University Hospital of Santiago, Santiago de Compostela, Spain
| | - Yvonne M C Henskens
- Central Diagnostic Laboratory, Unit for Hemostasis and Transfusion, Maastricht University Medical Centre(+), Maastricht, the Netherlands
| | - Maroeska W M Te Loo
- Department of Pediatric Hematology, Amalia children's hospital, Radboud UMC, Nijmegen, the Netherlands
| | - Johan W M Heemskerk
- Department of Biochemistry, CARIM, Maastricht University, 6200 MD Maastricht, the Netherlands; Synapse Research Institute, Kon. Emmaplein 7, 6217 KD, Maastricht, the Netherlands
| | - Marijke J E Kuijpers
- Department of Biochemistry, CARIM, Maastricht University, 6200 MD Maastricht, the Netherlands; Thrombosis Expertise Centre, Heart and Vascular Centre, Maastricht University Medical Centre(+), Maastricht, the Netherlands.
| | - Ángel García
- Platelet Proteomics Group, Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), Universidade de Santiago de Compostela, and Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain
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14
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Richards CE, Elamin YY, Carr A, Gately K, Rafee S, Cremona M, Hanrahan E, Smyth R, Ryan D, Morgan RK, Kennedy S, Hudson L, Fay J, O'Byrne K, Hennessy BT, Toomey S. Protein Tyrosine Phosphatase Non-Receptor 11 ( PTPN11/Shp2) as a Driver Oncogene and a Novel Therapeutic Target in Non-Small Cell Lung Cancer (NSCLC). Int J Mol Sci 2023; 24:10545. [PMID: 37445722 DOI: 10.3390/ijms241310545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/14/2023] [Accepted: 06/21/2023] [Indexed: 07/15/2023] Open
Abstract
PTPN11 encodes the SHP2 protein tyrosine phosphatase that activates the mitogen-activated protein kinase (MAPK) pathway upstream of KRAS and MEK. PTPN11/Shp2 somatic mutations occur frequently in Juvenile myelomonocytic leukaemia (JMML); however, the role of mutated PTPN11 in lung cancer tumourigenesis and its utility as a therapeutic target has not been fully addressed. We applied mass-spectrometry-based genotyping to DNA extracted from the tumour and matched the normal tissue of 356 NSCLC patients (98 adenocarcinomas (LUAD) and 258 squamous cell carcinomas (LUSC)). Further, PTPN11 mutation cases were identified in additional cohorts, including TCGA, Broad, and MD Anderson datasets and the COSMIC database. PTPN11 constructs harbouring PTPN11 E76A, A72D and C459S mutations were stably expressed in IL-3 dependent BaF3 cells and NSCLC cell lines (NCI-H1703, NCI-H157, NCI-H1299). The MAPK and PI3K pathway activation was evaluated using Western blotting. PTPN11/Shp2 phosphatase activity was measured in whole-cell protein lysates using an Shp2 assay kit. The Shp2 inhibitor (SHPi) was assessed both in vitro and in vivo in a PTPN11-mutated cell line for improved responses to MAPK and PI3K targeting therapies. Somatic PTPN11 hotspot mutations occurred in 4/98 (4.1%) adenocarcinomas and 7/258 (2.7%) squamous cells of 356 NSCLC patients. Additional 26 PTPN11 hotspot mutations occurred in 23 and 3 adenocarcinomas and squamous cell carcinoma, respectively, across the additional cohorts. Mutant PTPN11 significantly increased the IL-3 independent survival of Ba/F3 cells compared to wildtype PTPN11 (p < 0.0001). Ba/F3, NCI-H1703, and NCI-H157 cells expressing mutant PTPN11 exhibited increased PTPN11/Shp2 phosphatase activity and phospho-ERK1/2 levels compared to cells expressing wildtype PTPN11. The transduction of the PTPN11 inactivating mutation C459S into NSCLC cell lines led to decreased phospho-ERK, as well as decreased phospho-AKT in the PTPN11-mutated NCI-H661 cell line. NCI-H661 cells (PTPN11-mutated, KRAS-wild type) were significantly more sensitive to growth inhibition by the PI3K inhibitor copanlisib (IC50: 13.9 ± 4.7 nM) compared to NCI-H1703 (PTPN11/KRAS-wild type) cells (IC50: >10,000 nM). The SHP2 inhibitor, in combination with the PI3K targeting therapy copanlisib, showed no significant difference in tumour development in vivo; however, this significantly prevented MAPK pathway induction in vitro (p < 0.0001). PTPN11/Shp2 demonstrated the in vitro features of a driver oncogene and could potentially sensitize NSCLC cells to PI3K inhibition and inhibit MAPK pathway activation following PI3K pathway targeting.
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Affiliation(s)
- Cathy E Richards
- Medical Oncology Group, Department of Molecular Medicine, Royal College of Surgeons in Ireland, D09 YD60 Dublin, Ireland
| | - Yasir Y Elamin
- Medical Oncology Group, Department of Molecular Medicine, Royal College of Surgeons in Ireland, D09 YD60 Dublin, Ireland
- Department of Thoracic Head and Neck Medical Oncology, Division of Cancer Medicine, M.D. Anderson Cancer Centre, Houston, TX 77030, USA
| | - Aoife Carr
- Medical Oncology Group, Department of Molecular Medicine, Royal College of Surgeons in Ireland, D09 YD60 Dublin, Ireland
| | - Kathy Gately
- Thoracic Oncology Research Group, Trinity Translational Medicine Institute, Trinity College Dublin, St. James's Hospital, D08 NHY1 Dublin, Ireland
| | - Shereen Rafee
- Thoracic Oncology Research Group, Trinity Translational Medicine Institute, Trinity College Dublin, St. James's Hospital, D08 NHY1 Dublin, Ireland
| | - Mattia Cremona
- Medical Oncology Group, Department of Molecular Medicine, Royal College of Surgeons in Ireland, D09 YD60 Dublin, Ireland
| | - Emer Hanrahan
- Department of Medical Oncology, St. Vincent's Hospital, D04 T6F4 Dublin, Ireland
| | - Robert Smyth
- Medical Oncology Group, Department of Molecular Medicine, Royal College of Surgeons in Ireland, D09 YD60 Dublin, Ireland
| | - Daniel Ryan
- Medical Oncology Group, Department of Molecular Medicine, Royal College of Surgeons in Ireland, D09 YD60 Dublin, Ireland
- Department of Respiratory Medicine, Beaumont Hospital, D09 V2N0 Dublin, Ireland
| | - Ross K Morgan
- Department of Respiratory Medicine, Beaumont Hospital, D09 V2N0 Dublin, Ireland
| | - Susan Kennedy
- Department of Pathology, St. Vincent's Hospital, D04 T6F4 Dublin, Ireland
| | - Lance Hudson
- Department of Surgery, Royal College of Surgeons in Ireland, D09 YD60 Dublin, Ireland
| | - Joanna Fay
- RCSI Biobank Service, Royal College of Surgeons in Ireland, D09 YD60 Dublin, Ireland
| | | | - Bryan T Hennessy
- Medical Oncology Group, Department of Molecular Medicine, Royal College of Surgeons in Ireland, D09 YD60 Dublin, Ireland
| | - Sinead Toomey
- Medical Oncology Group, Department of Molecular Medicine, Royal College of Surgeons in Ireland, D09 YD60 Dublin, Ireland
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15
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Miller-Phillips L, Collisson EA. RAS and Other Molecular Targets in Pancreatic Cancer: The Next Wave Is Coming. Curr Treat Options Oncol 2023:10.1007/s11864-023-01096-x. [PMID: 37296367 DOI: 10.1007/s11864-023-01096-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2023] [Indexed: 06/12/2023]
Abstract
OPINION STATEMENT Since the discovery of oncogenes in the 1970s, cancer doctors and researchers alike have understood the promise of discovering drugs to block the dominantly acting function of mutated signaling proteins in cancer. This promise was delivered, first slowly, with early signals inhibiting HER2 and BCR-Abl in the 1990s and 2000s, and then quickly, with kinase inhibitors being approved hand over fist in non-small cell lung cancer, melanoma, and many other malignancies. The RAS proteins, however, remained recalcitrant to chemical inhibition for decades, despite being, by far, the most frequently mutated oncogenes in cancers of all types. Nowhere was this deficit more palpable than in pancreatic ductal adenocarcinoma (PDA), where > 90% of cases are driven by single nucleotide substitutions at a single codon of the KRAS gene. The ice began to crack in 2012 when Ostrem and colleagues (Nature 503(7477): 548-551, 2013) synthesized the first KRAS G12C inhibitors, which covalently bind to GDP-bound G12C-mutated KRAS and lock the oncoprotein in its inactive state. In the last decade, the scientific community has established a new foundation on this and other druggable pockets in mutant KRAS. Here we provide an up-to-date overview of drugs targeting KRAS and other molecular targets in pancreatic cancer.
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Affiliation(s)
- Lisa Miller-Phillips
- Division of Hematology and Oncology, Department of Medicine and Helen Diller Family Comprehensive Cancer Center, UCSF, 1450 3Rd Street HD-375, San Francisco, CA, 94158-0128, USA
| | - Eric A Collisson
- Division of Hematology and Oncology, Department of Medicine and Helen Diller Family Comprehensive Cancer Center, UCSF, 1450 3Rd Street HD-375, San Francisco, CA, 94158-0128, USA.
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16
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SH2 Domain-Containing Phosphatase-SHP2 Attenuates Fibrotic Responses through Negative Regulation of Mitochondrial Metabolism in Lung Fibroblasts. Diagnostics (Basel) 2023; 13:diagnostics13061166. [PMID: 36980473 PMCID: PMC10047203 DOI: 10.3390/diagnostics13061166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 03/22/2023] Open
Abstract
Background: We have previously shown that SHP2 downregulation may predispose fibroblasts to differentiate into myofibroblasts and proposed a role for SHP2 downregulation in the pathogenesis of idiopathic pulmonary fibrosis (IPF). Recent data have shown that SHP2 localizes to the mitochondrial intercristae, and its overexpression enhances mitochondrial metabolism leading to oxidative stress and senescence. Objective: To determine the effect of SHP2 on fibrotic responses. Methods and Results: Primary mouse lung fibroblasts derived from mice carrying a conditional knock-in mutation (D61G/+), rendering the SHP2 catalytic domain constitutively active, had reduced proliferation (1.6-fold, p < 0.05), migration (2-fold, p < 0.05), as well as reduced responsiveness of TGFB-1 induced fibroblasts-to-myofibroblasts differentiation, compared to wild-type ones. Electron microscope analysis revealed that SHP2 D61G/+ mouse lung fibroblasts were characterized by mitochondrial abnormalities, including swollen mitochondria with disrupted electron-lucent cristae and an increased number of autophagosomes compared to wild-type ones. SHP2 D61G/+ MLFs exhibited increased protein levels of autophagy markers, including LC3B-II and p-62, evidence that was confirmed by immunofluorescence analysis. Mitochondrial function analysis revealed that stable (genotype D61G/+) overexpression of SHP2 led to impaired mitochondrial function, as assessed by decreased mitochondrial membrane potential (1.29-fold, p < 0.05), coupling efficiency (1.82 fold, p < 0.05), oxygen consumption rate (1.9-fold, p < 0.05), and increased reactive oxygen species production both at baseline (1.75-fold, p < 0.05) and following H2O2 stimulation (1.63-fold, p < 0.05) compared to wild-type ones (SHP2+/+). SHP2 D61G/+ mouse lung fibroblasts showed enhanced AMPK activity, as well as decreased activation of the mTORC1 signaling pathway, potentially leading to ineffective mitochondrial metabolism and increased autophagy. Conclusions: SHP2 attenuates fibrotic responses in fibroblast cell lines through negative regulation of mitochondrial metabolism and induction of autophagy. SHP2 activation may represent a promising therapeutic strategy for patients with fibrotic lung diseases.
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17
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Patel R, Nieva J. Understanding KRAS for better targeting. Transl Lung Cancer Res 2023; 12:181-183. [PMID: 36895917 PMCID: PMC9989813 DOI: 10.21037/tlcr-23-47] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 02/07/2023] [Indexed: 02/23/2023]
Affiliation(s)
- Ronak Patel
- USC Norris Cancer Center, Los Angeles, CA, USA
| | - Jorge Nieva
- USC Norris Cancer Center, Los Angeles, CA, USA
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18
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Chen H, Cresswell GM, Libring S, Ayers MG, Miao J, Zhang ZY, Solorio L, Ratliff TL, Wendt MK. Tumor Cell-Autonomous SHP2 Contributes to Immune Suppression in Metastatic Breast Cancer. CANCER RESEARCH COMMUNICATIONS 2022; 2:1104-1118. [PMID: 36969745 PMCID: PMC10035406 DOI: 10.1158/2767-9764.crc-22-0117] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 07/18/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022]
Abstract
SH2 containing protein tyrosine phosphatase-2 (SHP2) is recognized as a druggable oncogenic phosphatase that is expressed in both tumor cells and immune cells. How tumor cell-autonomous SHP2 contributes to an immunosuppressive tumor microenvironment (TME) and therapeutic failure of immune checkpoint blockades in metastatic breast cancer (MBC) is not fully understood. Herein, we utilized systemic SHP2 inhibition and inducible genetic depletion of SHP2 to investigate immune reprogramming during SHP2 targeting. Pharmacologic inhibition of SHP2 sensitized MBC cells growing in the lung to α-programmed death ligand 1 (α-PD-L1) antibody treatment via relieving T-cell exhaustion induced by checkpoint blockade. Tumor cell-specific depletion of SHP2 similarly reduced pulmonary metastasis and also relieved exhaustion markers on CD8+ and CD4+ cells. Both systemic SHP2 inhibition and tumor cell-autonomous SHP2 depletion reduced tumor-infiltrated CD4+ T cells and M2-polarized tumor-associated macrophages. Analysis of TCGA datasets revealed that phosphorylation of SHP2 is important for immune-cell infiltration, T-cell activation and antigen presentation. To investigate this mechanistically, we conducted in vitro T-cell killing assays, which demonstrated that pretreatment of tumor cells with FGF2 and PDGF reduced the cytotoxicity of CD8+ T cells in a SHP2-dependent manner. Both growth factor receptor signaling and three-dimensional culture conditions transcriptionally induced PD-L1 via SHP2. Finally, SHP2 inhibition reduced MAPK signaling and enhanced STAT1 signaling, preventing growth factor-mediated suppression of MHC class I. Overall, our findings support the conclusion that tumor cell-autonomous SHP2 is a key signaling node utilized by MBC cells to engage immune-suppressive mechanisms in response to diverse signaling inputs from TME. Significance Findings present inhibition of SHP2 as a therapeutic option to limit breast cancer metastasis by promoting antitumor immunity.
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Affiliation(s)
- Hao Chen
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana
| | - Gregory M. Cresswell
- Department of Comparative Pathobiology, Purdue University, West Lafayette, Indiana
| | - Sarah Libring
- Department of Biomedical Engineering, Purdue University, West Lafayette, Indiana
| | - Mitchell G. Ayers
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana
| | - Jinmin Miao
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana
| | - Zhong-Yin Zhang
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana
- Purdue University Center for Cancer Research, Purdue University, West Lafayette, Indiana
| | - Luis Solorio
- Department of Biomedical Engineering, Purdue University, West Lafayette, Indiana
- Purdue University Center for Cancer Research, Purdue University, West Lafayette, Indiana
| | - Timothy L. Ratliff
- Department of Comparative Pathobiology, Purdue University, West Lafayette, Indiana
- Purdue University Center for Cancer Research, Purdue University, West Lafayette, Indiana
| | - Michael K. Wendt
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana
- Purdue University Center for Cancer Research, Purdue University, West Lafayette, Indiana
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19
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Structural insights into the pSer/pThr dependent regulation of the SHP2 tyrosine phosphatase in insulin and CD28 signaling. Nat Commun 2022; 13:5439. [PMID: 36114179 PMCID: PMC9481563 DOI: 10.1038/s41467-022-32918-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 08/23/2022] [Indexed: 11/09/2022] Open
Abstract
Serine/threonine phosphorylation of insulin receptor substrate (IRS) proteins is well known to modulate insulin signaling. However, the molecular details of this process have mostly been elusive. While exploring the role of phosphoserines, we have detected a direct link between Tyr-flanking Ser/Thr phosphorylation sites and regulation of specific phosphotyrosine phosphatases. Here we present a concise structural study on how the activity of SHP2 phosphatase is controlled by an asymmetric, dual phosphorylation of its substrates. The structure of SHP2 has been determined with three different substrate peptides, unveiling the versatile and highly dynamic nature of substrate recruitment. What is more, the relatively stable pre-catalytic state of SHP2 could potentially be useful for inhibitor design. Our findings not only show an unusual dependence of SHP2 catalytic activity on Ser/Thr phosphorylation sites in IRS1 and CD28, but also suggest a negative regulatory mechanism that may also apply to other tyrosine kinase pathways as well. SHP2 is an important human tyrosine phosphatase with key roles in cancer, immune responses and insulin signaling. Here, the authors explore its substrate recognition mechanism in molecular detail and uncover a complex regulatory mechanism for this enzyme that marks specific target sites for dephosphorylation.
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Asmamaw MD, Shi XJ, Zhang LR, Liu HM. A comprehensive review of SHP2 and its role in cancer. Cell Oncol 2022; 45:729-753. [PMID: 36066752 DOI: 10.1007/s13402-022-00698-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/26/2022] [Indexed: 12/26/2022] Open
Abstract
Src homology 2-containing protein tyrosine phosphatase 2 (SHP2) is a non-receptor protein tyrosine phosphatase ubiquitously expressed mainly in the cytoplasm of several tissues. SHP2 modulates diverse cell signaling events that control metabolism, cell growth, differentiation, cell migration, transcription and oncogenic transformation. It interacts with diverse molecules in the cell, and regulates key signaling events including RAS/ERK, PI3K/AKT, JAK/STAT and PD-1 pathways downstream of several receptor tyrosine kinases (RTKs) upon stimulation by growth factors and cytokines. SHP2 acts as both a phosphatase and a scaffold, and plays prominently oncogenic functions but can be tumor suppressor in a context-dependent manner. It typically acts as a positive regulator of RTKs signaling with some inhibitory functions reported as well. SHP2 expression and activity is regulated by such factors as allosteric autoinhibition, microRNAs, ubiquitination and SUMOylation. Dysregulation of SHP2 expression or activity causes many developmental diseases, and hematological and solid tumors. Moreover, upregulated SHP2 expression or activity also decreases sensitivity of cancer cells to anticancer drugs. SHP2 is now considered as a compelling anticancer drug target and several classes of SHP2 inhibitors with different mode of action are developed with some already in clinical trial phases. Moreover, novel SHP2 substrates and functions are rapidly growing both in cell and cancer. In view of this, we comprehensively and thoroughly reviewed literatures about SHP2 regulatory mechanisms, substrates and binding partners, biological functions, roles in human cancers, and different classes of small molecule inhibitors target this oncoprotein in cancer.
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Affiliation(s)
- Moges Dessale Asmamaw
- Department of Pharmacology, School of Basic Medical Sciences, State Key Laboratory for Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, Henan Province, 450001, People's Republic of China
| | - Xiao-Jing Shi
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, 450052, People's Republic of China
| | - Li-Rong Zhang
- Department of Pharmacology, School of Basic Medical Sciences, State Key Laboratory for Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, Henan Province, 450001, People's Republic of China.
| | - Hong-Min Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, Henan Province, China. .,Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China, Zhengzhou, Henan Province, 450001, People's Republic of China.
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21
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Zhang L, Hu X, Meng Q, Li Y, Shen H, Fu Y, Zhang F, Chen J, Zhang W, Chang W, Pan Y. SHP2 inhibition improves celastrol-induced growth suppression of colorectal cancer. Front Pharmacol 2022; 13:929087. [PMID: 36120370 PMCID: PMC9477229 DOI: 10.3389/fphar.2022.929087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 08/02/2022] [Indexed: 11/13/2022] Open
Abstract
This study aimed to explore novel targets for celastrol sensitization in colorectal cancer (CRC) based on differentially regulated signals in response to high- or low-dose celastrol. Targeting signals were investigated using Western blotting or phosphorylated receptor tyrosine kinase (RTK) arrays. Corresponding inhibitors for the signals were individually combined with low-dose celastrol for the assessment of combined anti-CRC effects, based on proliferation, apoptosis, colony assays, and xenograft models. The potential mechanism for the combination of celastrol and SHP2 inhibition was further examined. Low-dose celastrol (<1 µM) did not effectively suppress AKT and ERK signals in CRC cells compared to high-dose celastrol (>1 µM). However, when combined with an AKT or ERK inhibitor, low-dose celastrol could cooperatively suppress CRC proliferation. Furthermore, failed AKT or ERK inhibition by low-dose celastrol may be due to reactivated RTK-SHP2 signaling with negative feedback. The combination of celastrol and the SHP2 inhibitor resulted in greatly reduced AKT and ERK signals, as well as greater inhibition of CRC growth than celastrol alone. Moreover, the mechanism underlying combination suppression was also involved in the activation of immune cell infiltration (mainly for CD8+ cells) in CRC tissues. Failure to inhibit RTK-SHP2-AKT/ERK signaling contributed to the lack of CRC growth suppression by low-dose celastrol. However, the combination of celastrol and the SHP2 inhibitor resulted in synergistic inhibition of CRC growth and provided a promising therapeutic target.
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Affiliation(s)
- Linxi Zhang
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Navy Military Medical University, Shanghai, China
- Department of Digestive Endoscopy, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xuefei Hu
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Navy Military Medical University, Shanghai, China
| | - Qingying Meng
- Department of Colorectal Surgery, Changhai Hospital, Navy Military Medical University, Shanghai, China
| | - Ye Li
- Department of Digestive Endoscopy, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hao Shen
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Navy Military Medical University, Shanghai, China
| | - Yating Fu
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Navy Military Medical University, Shanghai, China
| | - Fan Zhang
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Navy Military Medical University, Shanghai, China
| | - Jiahui Chen
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Navy Military Medical University, Shanghai, China
| | - Wei Zhang
- Department of Colorectal Surgery, Changhai Hospital, Navy Military Medical University, Shanghai, China
- *Correspondence: Yamin Pan, ; Wenjun Chang, ; Wei Zhang,
| | - Wenjun Chang
- Department of Navy Environmental and Occupational Health, Faculty of Naval Medicine, Navy Military Medical University, Shanghai, China
- *Correspondence: Yamin Pan, ; Wenjun Chang, ; Wei Zhang,
| | - Yamin Pan
- Department of Digestive Endoscopy, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Yamin Pan, ; Wenjun Chang, ; Wei Zhang,
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22
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Li X, Halldórsdóttir HR, Weller S, Colliander A, Bak M, Kempen P, Clergeaud G, Andresen TL. Enhancing Adoptive Cell Therapy by T Cell Loading of SHP2 Inhibitor Nanocrystals before Infusion. ACS NANO 2022; 16:10918-10930. [PMID: 35838499 DOI: 10.1021/acsnano.2c03311] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Whereas adoptive T cell therapy has been extensively studied for cancer treatment, the response is still limited primarily due to immune dysfunction related to poor cell engraftment, tumor infiltration and engagement, and lack of a target. In addition, the modification of therapeutic T cells often suffers from being complex and expensive. Here, we present a strategy to load T cells with SHP099, an allosteric SHP2 inhibitor, to enhance the therapeutic efficacy of the T cells. Remote-loading of SHP099 into lipid nanoparticles decorated with triarginine motifs resulted in nanocrystal formation of SHP099 inside the lipid vesicles and allowed high loading efficiency and prolonged retention of SHP099 nanocrystals within T cells. Cell-loaded SHP099 enabled sustained inhibition of the PD-1/PD-L1 signaling and increased cytolytic activity of the T cells. We show in a mouse model that tumor-homing T cells can circulate with the cargos, improving their tumor accumulation compared to systemically administered lipid nanoparticles. On an established solid tumor model, adoptively transferred SHP099 loaded T cells induced complete tumor eradication and durable immune memory against tumor rechallenging on all treated mice by effectively inhibiting the PD-1/PD-L1 checkpoint signal. We demonstrate that the combination of T cell therapy with SHP2 inhibition is a promising therapeutic strategy, and the lipid nanocrystal platform could be generalized as a promising approach for T cell loading of immunomodulatory drugs.
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Affiliation(s)
- Xin Li
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | | | - Sven Weller
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Anna Colliander
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Martin Bak
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Paul Kempen
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
- National Centre for Nano Fabrication and Characterization, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Gael Clergeaud
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Thomas L Andresen
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
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23
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de Almeida BO, de Almeida LC, Costa-Lotufo LV, Machado-Neto JA. ANKHD1 contributes to the malignant phenotype of triple-negative breast cancer cells. Cell Biol Int 2022; 46:1433-1446. [PMID: 35842770 DOI: 10.1002/cbin.11844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/11/2022] [Accepted: 04/15/2022] [Indexed: 11/12/2022]
Abstract
Ankyrin repeat and KH domain-containing protein 1, ANKHD1, has been identified as a regulator of signaling pathways and cellular processes of relevance in carcinogenesis. However, the role of ANKHD1 in breast cancer remains unclear. The aim of the present study was to characterize the expression pattern and involvement of ANKHD1 in the malignant phenotype of breast cancer cell lines and to investigate the clinical relevance of ANKHD1 in a breast cancer context. Gene and protein expressions were assessed in the cell lines by quantitative reverse transcription PCR and Western blot analysis, respectively, and ANKHD1 silencing through siRNA transfection was conducted for further in vitro functional assays. The expression of ANKHD1 was identified in non-tumorigenic breast epithelium and breast cancer cell lines, but differences in cellular localization were found among the neoplasia subtypes. ANKHD1 silencing reduced the viability, clonogenicity, and migration of triple-negative breast cancer (TNBC) cells. Bioinformatics analyses demonstrated that patients with triple-negative basal-like 2 and mesenchymal breast cancer subtypes had high ANKHD1 expression associated with poor recurrence-free survival. Therefore, these data indicate that ANKHD1 relevance in breast cancer varies among its subtypes, indicating the importance of ANKHD1 in TNBC.
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Affiliation(s)
- Bruna O de Almeida
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Larissa C de Almeida
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Leticia V Costa-Lotufo
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, São Paulo, Brazil
| | - João A Machado-Neto
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, São Paulo, Brazil
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24
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Ghemrawi R, Khair M, Hasan S, Aldulaymi R, AlNeyadi SS, Atatreh N, Ghattas MA. The Discovery of Potent SHP2 Inhibitors with Anti-Proliferative Activity in Breast Cancer Cell Lines. Int J Mol Sci 2022; 23:ijms23084468. [PMID: 35457286 PMCID: PMC9030381 DOI: 10.3390/ijms23084468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/14/2022] [Accepted: 04/17/2022] [Indexed: 02/04/2023] Open
Abstract
Despite available treatments, breast cancer is the leading cause of cancer-related death. Knowing that the tyrosine phosphatase SHP2 is a regulator in tumorigenesis, developing inhibitors of SHP2 in breast cells is crucial. Our study investigated the effects of new compounds, purchased from NSC, on the phosphatase activity of SHP2 and the modulation of breast cancer cell lines’ proliferation and viability. A combined ligand-based and structure-based virtual screening protocol was validated, then performed, against SHP2 active site. Top ranked compounds were tested via SHP2 enzymatic assay, followed by measuring IC50 values. Subsequently, hits were tested for their anti-breast cancer viability and proliferative activity. Our experiments identified three compounds 13030, 24198, and 57774 as SHP2 inhibitors, with IC50 values in micromolar levels and considerable selectivity over the analogous enzyme SHP1. Long MD simulations of 500 ns showed a very promising binding mode in the SHP2 catalytic pocket. Furthermore, these compounds significantly reduced MCF-7 breast cancer cells’ proliferation and viability. Interestingly, two of our hits can have acridine or phenoxazine cyclic system known to intercalate in ds DNA. Therefore, our novel approach led to the discovery of SHP2 inhibitors, which could act as a starting point in the future for clinically useful anticancer agents.
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Affiliation(s)
- Rose Ghemrawi
- College of Pharmacy, Al Ain University, Abu Dhabi 112612, United Arab Emirates; (R.G.); (S.H.)
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi 112612, United Arab Emirates;
| | - Mostafa Khair
- Core Technology Platforms, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates;
| | - Shaima Hasan
- College of Pharmacy, Al Ain University, Abu Dhabi 112612, United Arab Emirates; (R.G.); (S.H.)
| | - Raghad Aldulaymi
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi 112612, United Arab Emirates;
| | - Shaikha S. AlNeyadi
- Department of Chemistry, College of Science, UAE University Al-Ain, Abu Dhabi 15551, United Arab Emirates;
| | - Noor Atatreh
- College of Pharmacy, Al Ain University, Abu Dhabi 112612, United Arab Emirates; (R.G.); (S.H.)
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi 112612, United Arab Emirates;
- Correspondence: (N.A.); (M.A.G.)
| | - Mohammad A. Ghattas
- College of Pharmacy, Al Ain University, Abu Dhabi 112612, United Arab Emirates; (R.G.); (S.H.)
- AAU Health and Biomedical Research Center, Al Ain University, Abu Dhabi 112612, United Arab Emirates;
- Correspondence: (N.A.); (M.A.G.)
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25
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Lin CC, Suen KM, Jeffrey PA, Wieteska L, Lidster JA, Bao P, Curd AP, Stainthorp A, Seiler C, Koss H, Miska E, Ahmed Z, Evans SD, Molina-París C, Ladbury JE. Receptor tyrosine kinases regulate signal transduction through a liquid-liquid phase separated state. Mol Cell 2022; 82:1089-1106.e12. [PMID: 35231400 PMCID: PMC8937303 DOI: 10.1016/j.molcel.2022.02.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/02/2021] [Accepted: 02/01/2022] [Indexed: 11/20/2022]
Abstract
The recruitment of signaling proteins into activated receptor tyrosine kinases (RTKs) to produce rapid, high-fidelity downstream response is exposed to the ambiguity of random diffusion to the target site. Liquid-liquid phase separation (LLPS) overcomes this by providing elevated, localized concentrations of the required proteins while impeding competitor ligands. Here, we show a subset of phosphorylation-dependent RTK-mediated LLPS states. We then investigate the formation of phase-separated droplets comprising a ternary complex including the RTK, (FGFR2); the phosphatase, SHP2; and the phospholipase, PLCγ1, which assembles in response to receptor phosphorylation. SHP2 and activated PLCγ1 interact through their tandem SH2 domains via a previously undescribed interface. The complex of FGFR2 and SHP2 combines kinase and phosphatase activities to control the phosphorylation state of the assembly while providing a scaffold for active PLCγ1 to facilitate access to its plasma membrane substrate. Thus, LLPS modulates RTK signaling, with potential consequences for therapeutic intervention.
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Affiliation(s)
- Chi-Chuan Lin
- School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, UK.
| | - Kin Man Suen
- School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, UK; Wellcome Trust Cancer Research UK Gurdon Institute, University of Cambridge, Tennis Court Road, Cambridge CB2 1QN, UK
| | | | - Lukasz Wieteska
- School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, UK
| | - Jessica A Lidster
- School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, UK
| | - Peng Bao
- School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
| | - Alistair P Curd
- School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, UK
| | - Amy Stainthorp
- School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, UK
| | - Caroline Seiler
- School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, UK
| | - Hans Koss
- Institute of Structural and Molecular Biology, Division of Biosciences, University College London, Gower Street, London WC1E 6BT, UK; Francis Crick Institute, London NW1 1AT, UK
| | - Eric Miska
- Wellcome Trust Cancer Research UK Gurdon Institute, University of Cambridge, Tennis Court Road, Cambridge CB2 1QN, UK
| | - Zamal Ahmed
- Department of Molecular and Cellular Oncology, University of Texas M D Anderson Cancer Center, Houston, TX 77030, USA
| | - Stephen D Evans
- School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
| | | | - John E Ladbury
- School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, UK.
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26
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Hyun S, Shin D. Small-Molecule Inhibitors and Degraders Targeting KRAS-Driven Cancers. Int J Mol Sci 2021; 22:ijms222212142. [PMID: 34830024 PMCID: PMC8621880 DOI: 10.3390/ijms222212142] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/06/2021] [Accepted: 11/07/2021] [Indexed: 12/12/2022] Open
Abstract
Drug resistance continues to be a major problem associated with cancer treatment. One of the primary causes of anticancer drug resistance is the frequently mutated RAS gene. In particular, considerable efforts have been made to treat KRAS-induced cancers by directly and indirectly controlling the activity of KRAS. However, the RAS protein is still one of the most prominent targets for drugs in cancer treatment. Recently, novel targeted protein degradation (TPD) strategies, such as proteolysis-targeting chimeras, have been developed to render "undruggable" targets druggable and overcome drug resistance and mutation problems. In this study, we discuss small-molecule inhibitors, TPD-based small-molecule chemicals for targeting RAS pathway proteins, and their potential applications for treating KRAS-mutant cancers. Novel TPD strategies are expected to serve as promising therapeutic methods for treating tumor patients with KRAS mutations.
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Affiliation(s)
- Soonsil Hyun
- College of Pharmacy, Chungbuk National University, 194-21 Osongsaengmyeong 1-ro, Heungdeok-gu, Cheongju-si 28160, Korea;
| | - Dongyun Shin
- Gachon Institute of Pharmaceutical Science, College of Pharmacy, Gachon University, 191 Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Korea
- Correspondence:
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27
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Functional interrogation and therapeutic targeting of protein tyrosine phosphatases. Biochem Soc Trans 2021; 49:1723-1734. [PMID: 34431504 DOI: 10.1042/bst20201308] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/28/2021] [Accepted: 07/30/2021] [Indexed: 12/17/2022]
Abstract
Protein tyrosine phosphatases (PTPs) counteract the enzymatic activity of protein tyrosine kinases to modulate levels of both normal and disease-associated protein tyrosine phosphorylation. Aberrant activity of PTPs has been linked to the progression of many disease states, yet no PTP inhibitors are currently clinically available. PTPs are without a doubt a difficult drug target. Despite this, many selective, potent, and bioavailable PTP inhibitors have been described, suggesting PTPs should once again be looked at as viable therapeutic targets. Herein, we summarize recently discovered PTP inhibitors and their use in the functional interrogation of PTPs in disease states. In addition, an overview of the therapeutic targeting of PTPs is described using SHP2 as a representative target.
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28
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SHP2 as a Potential Therapeutic Target in Diffuse-Type Gastric Carcinoma Addicted to Receptor Tyrosine Kinase Signaling. Cancers (Basel) 2021; 13:cancers13174309. [PMID: 34503119 PMCID: PMC8430696 DOI: 10.3390/cancers13174309] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/23/2021] [Accepted: 08/23/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Diffuse-type gastric carcinoma (DGC) is characterized by rapid infiltrative growth associated with massive stroma and frequent peritoneal dissemination, which leads to poor patient outcomes. In this study, we found that the oncogenic tyrosine phosphatase SHP2 is tyrosine-phosphorylated downstream of the amplified receptor tyrosine kinases (RTKs) Met and fibroblast growth factor receptor 2 (FGFR2) in DGC cell lines. SHP2 knockdown or pharmacological inhibition selectively suppressed the growth of DGC addicted to amplified Met and FGFR2. Moreover, targeting SHP2 abrogated malignant phenotypes, including peritoneal dissemination, of Met-addicted DGC and could overcome acquired resistance to Met inhibitors. Our findings suggest that SHP2 is a potential target for the treatment of DGC addicted to amplified RTK signaling. Abstract Diffuse-type gastric carcinoma (DGC) exhibits aggressive progression associated with rapid infiltrative growth, massive fibrosis, and peritoneal dissemination. Gene amplification of Met and fibroblast growth factor receptor 2 (FGFR2) receptor tyrosine kinases (RTKs) has been observed in DGC. However, the signaling pathways that promote DGC progression downstream of these RTKs remain to be fully elucidated. We previously identified an oncogenic tyrosine phosphatase, SHP2, using phospho-proteomic analysis of DGC cells with Met gene amplification. In this study, we characterized SHP2 in the progression of DGC and assessed the therapeutic potential of targeting SHP2. Although SHP2 was expressed in all gastric carcinoma cell lines examined, its tyrosine phosphorylation preferentially occurred in several DGC cell lines with Met or FGFR2 gene amplification. Met or FGFR inhibitor treatment or knockdown markedly reduced SHP2 tyrosine phosphorylation. Knockdown or pharmacological inhibition of SHP2 selectively suppressed the growth of DGC cells addicted to Met or FGFR2, even when they acquired resistance to Met inhibitors. Moreover, SHP2 knockdown or pharmacological inhibition blocked the migration and invasion of Met-addicted DGC cells in vitro and their peritoneal dissemination in a mouse xenograft model. These results indicate that SHP2 is a critical regulator of the malignant progression of RTK-addicted DGC and may be a therapeutic target.
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29
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You KS, Yi YW, Cho J, Park JS, Seong YS. Potentiating Therapeutic Effects of Epidermal Growth Factor Receptor Inhibition in Triple-Negative Breast Cancer. Pharmaceuticals (Basel) 2021; 14:589. [PMID: 34207383 PMCID: PMC8233743 DOI: 10.3390/ph14060589] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/07/2021] [Accepted: 06/14/2021] [Indexed: 12/13/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is a subset of breast cancer with aggressive characteristics and few therapeutic options. The lack of an appropriate therapeutic target is a challenging issue in treating TNBC. Although a high level expression of epidermal growth factor receptor (EGFR) has been associated with a poor prognosis among patients with TNBC, targeted anti-EGFR therapies have demonstrated limited efficacy for TNBC treatment in both clinical and preclinical settings. However, with the advantage of a number of clinically approved EGFR inhibitors (EGFRis), combination strategies have been explored as a promising approach to overcome the intrinsic resistance of TNBC to EGFRis. In this review, we analyzed the literature on the combination of EGFRis with other molecularly targeted therapeutics or conventional chemotherapeutics to understand the current knowledge and to provide potential therapeutic options for TNBC treatment.
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Affiliation(s)
- Kyu Sic You
- Department of Biochemistry, College of Medicine, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea;
- Graduate School of Convergence Medical Science, Dankook University, Cheonan 3116, Chungcheongnam-do, Korea
| | - Yong Weon Yi
- Department of Nanobiomedical Science, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea; (Y.W.Y.); (J.C.)
| | - Jeonghee Cho
- Department of Nanobiomedical Science, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea; (Y.W.Y.); (J.C.)
| | - Jeong-Soo Park
- Department of Biochemistry, College of Medicine, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea;
| | - Yeon-Sun Seong
- Department of Biochemistry, College of Medicine, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea;
- Graduate School of Convergence Medical Science, Dankook University, Cheonan 3116, Chungcheongnam-do, Korea
- Department of Nanobiomedical Science, Dankook University, Cheonan 31116, Chungcheongnam-do, Korea; (Y.W.Y.); (J.C.)
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30
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Nian Q, Zeng J, He L, Chen Y, Zhang Z, Rodrigues-Lima F, Zhao L, Feng X, Shi J. A small molecule inhibitor targeting SHP2 mutations for the lung carcinoma. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.01.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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