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Lee S, Kim J, Ryu HH, Jang H, Lee D, Lee S, Song JM, Lee YS, Ho Suh Y. SHP2 regulates GluA2 tyrosine phosphorylation required for AMPA receptor endocytosis and mGluR-LTD. Proc Natl Acad Sci U S A 2024; 121:e2316819121. [PMID: 38657042 DOI: 10.1073/pnas.2316819121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 03/29/2024] [Indexed: 04/26/2024] Open
Abstract
Posttranslational modifications regulate the properties and abundance of synaptic α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors that mediate fast excitatory synaptic transmission and synaptic plasticity in the central nervous system. During long-term depression (LTD), protein tyrosine phosphatases (PTPs) dephosphorylate tyrosine residues in the C-terminal tail of AMPA receptor GluA2 subunit, which is essential for GluA2 endocytosis and group I metabotropic glutamate receptor (mGluR)-dependent LTD. However, as a selective downstream effector of mGluRs, the mGluR-dependent PTP responsible for GluA2 tyrosine dephosphorylation remains elusive at Schaffer collateral (SC)-CA1 synapses. In the present study, we find that mGluR5 stimulation activates Src homology 2 (SH2) domain-containing phosphatase 2 (SHP2) by increasing phospho-Y542 levels in SHP2. Under steady-state conditions, SHP2 plays a protective role in stabilizing phospho-Y869 of GluA2 by directly interacting with GluA2 phosphorylated at Y869, without affecting GluA2 phospho-Y876 levels. Upon mGluR5 stimulation, SHP2 dephosphorylates GluA2 at Y869 and Y876, resulting in GluA2 endocytosis and mGluR-LTD. Our results establish SHP2 as a downstream effector of mGluR5 and indicate a dual action of SHP2 in regulating GluA2 tyrosine phosphorylation and function. Given the implications of mGluR5 and SHP2 in synaptic pathophysiology, we propose SHP2 as a promising therapeutic target for neurodevelopmental and autism spectrum disorders.
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Affiliation(s)
- Sanghyeon Lee
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, South Korea
- Neuroscience Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
- Transplantation Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Jungho Kim
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, South Korea
- Neuroscience Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
- Transplantation Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Hyun-Hee Ryu
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, South Korea
- Neuroscience Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
- Department of Physiology, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Hanbyul Jang
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, South Korea
- Neuroscience Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
- Department of Physiology, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - DoEun Lee
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, South Korea
- Neuroscience Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
- Transplantation Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Seungha Lee
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, South Korea
- Neuroscience Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
- Transplantation Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Jae-Man Song
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, South Korea
- Neuroscience Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
- Transplantation Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Yong-Seok Lee
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, South Korea
- Neuroscience Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
- Department of Physiology, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Young Ho Suh
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, South Korea
- Neuroscience Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
- Transplantation Research Institute, Medical Research Center, Seoul National University College of Medicine, Seoul 03080, South Korea
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Wei Q, Luo S, He G. Mechanism study of tyrosine phosphatase shp-1 in inhibiting hepatocellular carcinoma progression by regulating the SHP2/GM-CSF pathway in TAMs. Sci Rep 2024; 14:9128. [PMID: 38644382 PMCID: PMC11033275 DOI: 10.1038/s41598-024-59725-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Accepted: 04/15/2024] [Indexed: 04/23/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common malignant tumors worldwide. Macrophage-mediated innate immune responses play a crucial role in tumor development. This study revealed the mechanism of SHP-1 in regulating HCC progression. SHP-1 inhibits tumour development in vivo. Increasing SHP-1 expression in macrophages promotes the expression of p-SHP-1, SHP2, and p-SHP-2. In macrophages GM-CSF recruits SHP-2 to the GM-CSF receptor GM-CSFR induces p-SHP-2 dephosphorylation. GM-CSF recruits p-SHP-2 for dephosphorylation by up-regulating HoxA10HOXA10 activates the transcription of TGFβ2 by interacting with tandem cis-elements in the promoter thereby regulating the proliferation and migration of liver cancer cells. GM-CSF inhibits SHP-1 regulation of p-SHP-1, SHP2, and p-SHP-2 in macrophages. Detailed studies have shown that SHP-1 regulates SHP2 expression, and SHP-1 and SHP2 are involved in macrophage M2 polarisation. SHP-1 inhibits HOXA10 and TGFβ2 which in turn regulates the expression of the migration-associated proteins, MMP2/9, and the migration of hepatocellular carcinoma cells. Overexpression of SHP-1 inhibits macrophage M2 polarisation via the p-STAT3/6 signalling pathway Classical markers arginase-1, CD206, CD163 and regulate the expression of M2 polarisation cytokines IL-4 and IL-10. In addition, hypoxia-induced ROS inhibited SHP-1 regulation by suppressing the expression of p-SHP-1. The combined effect of GM-CSF and ROS significantly increased p-HOXA10/TGFβ2 and macrophage M2 polarisation, and the regulatory effect of ROS was significantly suppressed by GM-CSF knockdown. These findings suggest that increasing the expression of tyrosine phosphatase SHP-1 can inhibit hepatocellular carcinoma progression by modulating the SHP2/GM-CSF pathway in TAM and thus inhibit the progression of hepatocellular carcinoma.
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Affiliation(s)
- Qiang Wei
- Bethune International Peace Hospital of PLA Hepatobiliary Surgery, Shijiazhuang, 050082, China
| | - ShuBin Luo
- Department of General Surgery (Section 1), The First People's Hospital of Jinghong, Jinghong, 666100, China
| | - Gang He
- Bethune International Peace Hospital of PLA ICU, No. 398 West Zhongshan Road, Shijiazhuang, 050082, China.
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Yuan Z, Zhang M, Chang L, Chen X, Ruan S, Shi S, Zhang Y, Zhu L, Li H, Li S. Discovery of a novel SHP2 allosteric inhibitor using virtual screening, FMO calculation, and molecular dynamic simulation. J Mol Model 2024; 30:131. [PMID: 38613643 DOI: 10.1007/s00894-024-05935-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 04/09/2024] [Indexed: 04/15/2024]
Abstract
CONTEXT SHP2 is a non-receptor protein tyrosine phosphatase to remove tyrosine phosphorylation. Functionally, SHP2 is an essential bridge to connect numerous oncogenic cell-signaling cascades including RAS-ERK, PI3K-AKT, JAK-STAT, and PD-1/PD-L1 pathways. This study aims to discover novel and potent SHP2 inhibitors using a hierarchical structure-based virtual screening strategy that combines molecular docking and the fragment molecular orbital method (FMO) for calculating binding affinity (referred to as the Dock-FMO protocol). For the SHP2 target, the FMO method prediction has a high correlation between the binding affinity of the protein-ligand interaction and experimental values (R2 = 0.55), demonstrating a significant advantage over the MM/PBSA (R2 = 0.02) and MM/GBSA (R2 = 0.15) methods. Therefore, we employed Dock-FMO virtual screening of ChemDiv database of ∼2,990,000 compounds to identify a novel SHP2 allosteric inhibitor bearing hydroxyimino acetamide scaffold. Experimental validation demonstrated that the new compound (E)-2-(hydroxyimino)-2-phenyl-N-(piperidin-4-ylmethyl)acetamide (7188-0011) effectively inhibited SHP2 in a dose-dependent manner. Molecular dynamics (MD) simulation analysis revealed the binding stability of compound 7188-0011 and the SHP2 protein, along with the key interacting residues in the allosteric binding site. Overall, our work has identified a novel and promising allosteric inhibitor that targets SHP2, providing a new starting point for further optimization to develop more potent inhibitors. METHODS All the molecular docking studies were employed to identify potential leads with Maestro v10.1. The protein-ligand binding affinities of potential leads were further predicted by FMO calculations at MP2/6-31G* level using GAMESS v2020 system. MD simulations were carried out with AmberTools18 by applying the FF14SB force field. MD trajectories were analyzed using VMD v1.9.3. MM/GB(PB)SA binding free energy analysis was carried out with the mmpbsa.py tool of AmberTools18. The docking and MD simulation results were visualized through PyMOL v2.5.0.
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Affiliation(s)
- Zhen Yuan
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai, China
| | - Manzhan Zhang
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai, China
| | - Longfeng Chang
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai, China
| | - Xingyu Chen
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai, China
| | - Shanshan Ruan
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai, China
| | - Shanshan Shi
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai, China
| | - Yiqing Zhang
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai, China
| | - Lili Zhu
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai, China.
| | - Honglin Li
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai, China.
- Innovation Center for AI and Drug Discovery, East China Normal University, Shanghai, 200062, China.
- Lingang Laboratory, Shanghai, 200031, China.
| | - Shiliang Li
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai, China.
- Innovation Center for AI and Drug Discovery, East China Normal University, Shanghai, 200062, China.
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Yang Y, Yan Z, Xie Q, Wang Y, Liu Z, Lei M. Lactobacillus plantarum 45 activates SHP2 through inhibition of oxidative stress to regulate osteoblast and osteoclast differentiation. Aging (Albany NY) 2024; 16:6334-6347. [PMID: 38575308 PMCID: PMC11042941 DOI: 10.18632/aging.205708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 01/19/2024] [Indexed: 04/06/2024]
Abstract
BACKGROUND The purpose of this study is to observe LP45 (Lactobacillus plantarum 45) to investigate the mechanism by which LP45 attenuates oxidative stress-induced damage and regulates the osteoblast-osteoclast balance. MATERIALS AND METHODS The oxidative stress level and osteoblast- and osteoclast-related proteins were detected by immunofluorescence staining, Western blotting, ROS fluorescent probe and ELISA. Osteoblast cell proliferation capacity was determined by the CCK-8 assay. X-ray observation and HE staining were used to detect the effect of LP45 on osteoporosis. RESULTS The expression level of SHP2 and Src was significantly increased, and the expression levels of NOX4, P22, P47, IL-1β, NLRP3, IRF3, RANK, β-catenin and INF-β were inhibited in LP45 group and LPS + LP45 group as compared to those in LPS group. Compared with that in LPS group, the concentration of SOD was increased and the concentration of MDA was decreased in LPS + LP45 group. The protein expressions of OPG, RANKL, RUNX3, RANK and β-catenin in LP45 group and LPS + LP45 group increased. The protein expressions of NF-κB, CREB and AP-1 in LP45 group and LPS + LP45 group decreased significantly. The results were also confirmed by immunofluorescence staining and ROS fluorescent probe. X-ray observation and HE staining showed that LP45 could inhibit the progression of osteoporosis. CONCLUSION LP45 can exert its antioxidant effect by inhibiting the production of oxidative stress to activate the SHP2 signaling pathway, thus promoting osteoblast differentiation and repressing osteoclast formation to maintain bone homeostasis and improve bone metabolism.
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Affiliation(s)
- Yaming Yang
- Department of Clinical Nutrition, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, China
| | - Zheng Yan
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Qi Xie
- Department of Nutrition, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, China
| | - Yong Wang
- Department of Research, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, China
| | - Zhiying Liu
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Min Lei
- Department of Clinical Nutrition, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, China
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
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Sun H, Bai X, Zhang Y, Gao Y, Dai J, Xing P, Zhu J, Liu R, Wang Z, Li X. Small Molecule SHP2 Inhibitor LXQ-217 Affects Lung Cancer Cell Proliferation in Vitro and in Vivo. Chem Biodivers 2024; 21:e202301610. [PMID: 38379194 DOI: 10.1002/cbdv.202301610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 02/22/2024]
Abstract
BACKGROUND SHP2 is highly expressed in a variety of cancer and has emerged as a potential target for cancer therapeutic agents. The identification of uncharged pTyr mimics is an important direction for the development of SHP2 orthosteric inhibitors. METHODS Surface plasmon resonance analysis and cellular thermal shift assay were employed to verify the direct binding of LXQ-217 to SHP2. The inhibitory effect of LXQ-217 was characterized by linear Weaver-Burke enzyme kinetic analysis and BIOVIA Discovery Studio. The inhibition of tumor cell proliferation by LXQ-217 was characterized by cell viability assay, colony formation assays and hoechst 33258 staining. The inhibition of lung cancer proliferation in vivo was studied in nude mice after oral administration of LXQ-217. RESULTS An electroneutral bromophenol derivative, LXQ-217, was identified as a competitive SHP2 inhibitor. LXQ-217 induced apoptosis and inhibited growth of human pulmonary epithelial cells by affecting the RAS-ERK and PI3 K-AKT signaling pathways. Long-term oral administration of LXQ-217 significantly inhibited the proliferation ability of lung cancer cells in nude mice. Moreover, mice administered LXQ-217 orally at high doses exhibited no mortality or significant changes in vital signs. CONCLUSIONS Our findings on the uncharged orthosteric inhibitor provide a foundation for further development of a safe and effective anti-lung cancer drug.
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Affiliation(s)
- Hao Sun
- State Key Laboratory of Microbial Technology, Shandong University, 266237, Qingdao, Shandong, P. R. China
| | - Xiaoyi Bai
- State Key Laboratory of Microbial Technology, Shandong University, 266237, Qingdao, Shandong, P. R. China
| | - Yiting Zhang
- State Key Laboratory of Microbial Technology, Shandong University, 266237, Qingdao, Shandong, P. R. China
| | - Yanan Gao
- State Key Laboratory of Microbial Technology, Shandong University, 266237, Qingdao, Shandong, P. R. China
| | - Jiajia Dai
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, 266071, Qingdao, Shandong, China
| | - Pan Xing
- State Key Laboratory of Microbial Technology, Shandong University, 266237, Qingdao, Shandong, P. R. China
| | - Jiqiang Zhu
- Shandong Linghai Biotechnology Co., Ltd., 250299, Jinan, Shandong, P. R. China
| | - Ruihua Liu
- State Key Laboratory of Microbial Technology, Shandong University, 266237, Qingdao, Shandong, P. R. China
| | - Zemin Wang
- State Key Laboratory of Microbial Technology, Shandong University, 266237, Qingdao, Shandong, P. R. China
| | - Xiangqian Li
- State Key Laboratory of Microbial Technology, Shandong University, 266237, Qingdao, Shandong, P. R. China
- Laboratory of Marine Drugs and Biological Products, National Laboratory for Marine Science and Technology, 266237, Qingdao, Shandong, P. R. China
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Lu J, Yu D, Li H, Qin P, Chen H, Chen L. Promising natural products targeting protein tyrosine phosphatase SHP2 for cancer therapy. Phytother Res 2024. [PMID: 38558278 DOI: 10.1002/ptr.8185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 02/27/2024] [Accepted: 02/29/2024] [Indexed: 04/04/2024]
Abstract
The development of Src homology-2 domain containing protein tyrosine phosphatase-2 (SHP2) inhibitors is a hot spot in the research and development of antitumor drugs, which may induce immunomodulatory effects in the tumor microenvironment and participate in anti-tumor immune responses. To date, several SHP2 inhibitors have made remarkable progress and entered clinical trials for the treatment of patients with advanced solid tumors. Multiple compounds derived from natural products have been proved to influence tumor cell proliferation, apoptosis, migration and other cellular functions, modulate cell cycle and immune cell activation by regulating the function of SHP2 and its mutants. However, there is a paucity of information about their diversity, biochemistry, and therapeutic potential of targeting SHP2 in tumors. This review will provide the structure, classification, inhibitory activities, experimental models, and antitumor effects of the natural products. Notably, this review summarizes recent advance in the efficacy and pharmacological mechanism of natural products targeting SHP2 in inhibiting the various signaling pathways that regulate different cancers and thus pave the way for further development of anticancer drugs targeting SHP2.
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Affiliation(s)
- Jiani Lu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Danmei Yu
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hongtao Li
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Pengcheng Qin
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- School of Pharmacy, Henan University, Kaifeng, China
| | - Hongzhuan Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lili Chen
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Linehan A, O’Reilly M, McDermott R, O’Kane GM. Targeting KRAS mutations in pancreatic cancer: opportunities for future strategies. Front Med (Lausanne) 2024; 11:1369136. [PMID: 38576709 PMCID: PMC10991798 DOI: 10.3389/fmed.2024.1369136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 02/22/2024] [Indexed: 04/06/2024] Open
Abstract
Targeting the RAS pathway remains the holy grail of precision oncology. In the case of pancreatic ductal adenocarcinomas (PDAC), 90-92% harbor mutations in the oncogene KRAS, triggering canonical MAPK signaling. The smooth structure of the altered KRAS protein without a binding pocket and its affinity for GTP have, in the past, hampered drug development. The emergence of KRASG12C covalent inhibitors has provided renewed enthusiasm for targeting KRAS. The numerous pathways implicated in RAS activation do, however, lead to the development of early resistance. In addition, the dense stromal niche and immunosuppressive microenvironment dictated by oncogenic KRAS can influence treatment responses, highlighting the need for a combination-based approach. Given that mutations in KRAS occur early in PDAC tumorigenesis, an understanding of its pleiotropic effects is key to progress in this disease. Herein, we review current perspectives on targeting KRAS with a focus on PDAC.
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Affiliation(s)
- Anna Linehan
- Department of Medical Oncology, St Vincent’s University Hospital, Dublin, Ireland
| | - Mary O’Reilly
- Department of Medical Oncology, St Vincent’s University Hospital, Dublin, Ireland
| | - Ray McDermott
- Department of Medical Oncology, St Vincent’s University Hospital, Dublin, Ireland
| | - Grainne M. O’Kane
- Department of Medical Oncology, St James’s Hospital, Dublin, Ireland
- Princess Margaret Cancer Centre, Toronto, ON, Canada
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Gao T, Liu M, Fu D, Xue Y, Liao J, Yang P, Li X. Allicin treats myocardial infarction in I/R through the promotion of the SHP2 axis to inhibit p-PERK-mediated oxidative stress. Aging (Albany NY) 2024; 16:5207-5223. [PMID: 38460945 PMCID: PMC11006474 DOI: 10.18632/aging.205640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 02/05/2024] [Indexed: 03/11/2024]
Abstract
OBJECTIVE The study attempted to explore how allicin reduces oxidative stress levels by promoting SHP2 expression to inhibit p-PERK in I/R mice. METHODS The GEO database and RNA sequencing were used to predict downstream gene. TTC staining was used to visualize the myocardial infarction area. Masson staining was used to assess the level of fibrosis. IF was used to examine the expression of SHP2, CTGF, ROS. RT-PCR analysis was used to quantify the expression of SHP2 mRNA. Western blot was used to detect the protein expression levels of SHP2, p-PERK, MFN1, NLRP3, NOX2, and NOX3. RESULTS GEO and transcriptomic data revealed low expression of SHP2 in the heart tissues I/R mice. In the I/R mouse model, TTC staining result showed that allicin can reduce the area of myocardial infarction; Masson staining results indicated that allicin can reduce fibrosis; Macrophage transcriptome sequencing found SHP2 is a target gene of allicin; Immunofluorescence showed allicin can increase SHP2; qPCR results showed allicin can raise SHP2 mRNA level; Immunofluorescence indicated that allicin can inhibit ROS in myocardial infarction tissue, but the specific SHP2-KD eliminates changes in ROS. Western blot analysis demonstrated allicin can increase SHP2 protein and reduce the expression of p-PERK, MFN1, NLRP3, NOX2, and NOX3; SHP2-KD eliminates the expression differences in p-PERK, MFN1, NLRP3, NOX2, and NOX3. CONCLUSIONS Allicin can modulate p-PERK activation by enhancing the expression of SHP2, thereby inhibiting myocardial ischemia-reperfusion-induced oxidative stress in mice.
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Affiliation(s)
- Tong Gao
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing 102218, China
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Mengru Liu
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Dongliang Fu
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Yajun Xue
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing 102218, China
| | - Jiangquan Liao
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Peng Yang
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Xianlun Li
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
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Liu M, Fu D, Gao T, Jiang H, Yang P, Li X. The low expression of miR-155 promotes the expression of SHP2 by inhibiting the activation of the ERK1/2 pathway and improves cell pyroptosis induced by I/R in mice. Aging (Albany NY) 2024; 16:4778-4788. [PMID: 38451182 DOI: 10.18632/aging.205631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 01/26/2024] [Indexed: 03/08/2024]
Abstract
This study aims to explore the specific mechanism by which miR-155 regulates SHP2 expression in mouse ischemia-reperfusion (I/R) induced necroptosis. Various methods including cardiac ultrasound, TTC staining, Masson staining, TUNEL staining, and Western blotting were used to examine changes in the morphology and function of the rat left ventricle, myocardial fibrosis, as well as the expression of proteins related to tissue and cardiomyocyte necroptosis pathways. In vivo results showed that knockdown (KD) of miR-155 significantly improved cardiac ultrasound parameters (EF, FS, LVAW;d, and LVAW;s), reduced the myocardial infarction area, myocardial fibrosis, and cell apoptosis in I/R mice, upregulated cardiac SHP2 protein expression, and other proteins including p-ERK1/2, NLRP3, GSDMD, caspase-3, caspase-4, and caspase-11 were also significantly decreased. In vitro experiments showed that compared with the SHP2 WT miR-155 KD group, SHP2 protein expression was significantly increased in the SHP2 WT miR-155 KD group, while the expression of other proteins was significantly reduced, consistent with in vivo results. MiR-155 can regulate ERK1/2 and NLRP3 through SHP2. After adding the ERK1/2 inhibitor U0126 to cardiomyocytes from SHP2 KO mice, it was found that the expression of proteins other than SHP2 significantly decreased compared to SHP2 KO cells without the inhibitor. In summary, low expression of miR-155 promoted the expression of SHP2 and improved mouse I/R-induced necroptosis by inhibiting the activation of the ERK1/2 pathway.
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Affiliation(s)
- Mengru Liu
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Dongliang Fu
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Tong Gao
- Department of Cardiology, Beijing Tsinghua Changgung Hospital, Beijing 100029, China
| | - Hong Jiang
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Peng Yang
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Xianlun Li
- Department of Integrative Medicine Cardiology, China-Japan Friendship Hospital, Beijing 100029, China
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12
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Chen X, Keller SJ, Hafner P, Alrawashdeh AY, Avery TY, Norona J, Zhou J, Ruess DA. Tyrosine phosphatase PTPN11/SHP2 in solid tumors - bull's eye for targeted therapy? Front Immunol 2024; 15:1340726. [PMID: 38504984 PMCID: PMC10948527 DOI: 10.3389/fimmu.2024.1340726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 02/19/2024] [Indexed: 03/21/2024] Open
Abstract
Encoded by PTPN11, the Src-homology 2 domain-containing phosphatase 2 (SHP2) integrates signals from various membrane-bound receptors such as receptor tyrosine kinases (RTKs), cytokine and integrin receptors and thereby promotes cell survival and proliferation. Activating mutations in the PTPN11 gene may trigger signaling pathways leading to the development of hematological malignancies, but are rarely found in solid tumors. Yet, aberrant SHP2 expression or activation has implications in the development, progression and metastasis of many solid tumor entities. SHP2 is involved in multiple signaling cascades, including the RAS-RAF-MEK-ERK-, PI3K-AKT-, JAK-STAT- and PD-L1/PD-1- pathways. Although not mutated, activation or functional requirement of SHP2 appears to play a relevant and context-dependent dichotomous role. This mostly tumor-promoting and infrequently tumor-suppressive role exists in many cancers such as gastrointestinal tumors, pancreatic, liver and lung cancer, gynecological entities, head and neck cancers, prostate cancer, glioblastoma and melanoma. Recent studies have identified SHP2 as a potential biomarker for the prognosis of some solid tumors. Based on promising preclinical work and the advent of orally available allosteric SHP2-inhibitors early clinical trials are currently investigating SHP2-directed approaches in various solid tumors, either as a single agent or in combination regimes. We here provide a brief overview of the molecular functions of SHP2 and collate current knowledge with regard to the significance of SHP2 expression and function in different solid tumor entities, including cells in their microenvironment, immune escape and therapy resistance. In the context of the present landscape of clinical trials with allosteric SHP2-inhibitors we discuss the multitude of opportunities but also limitations of a strategy targeting this non-receptor protein tyrosine phosphatase for treatment of solid tumors.
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Affiliation(s)
- Xun Chen
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou, China
| | - Steffen Johannes Keller
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
| | - Philipp Hafner
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
| | - Asma Y. Alrawashdeh
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
| | - Thomas Yul Avery
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
| | - Johana Norona
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK), Partner Site Freiburg and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jinxue Zhou
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou, China
| | - Dietrich Alexander Ruess
- Department of General and Visceral Surgery, Center for Surgery, Medical Center University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK), Partner Site Freiburg and German Cancer Research Center (DKFZ), Heidelberg, Germany
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13
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Bhavana, Kohal R, Kumari P, Das Gupta G, Kumar Verma S. Druggable targets of protein tyrosine phosphatase Family, viz. PTP1B, SHP2, Cdc25, and LMW-PTP: Current scenario on medicinal Attributes, and SAR insights. Bioorg Chem 2024; 144:107121. [PMID: 38237392 DOI: 10.1016/j.bioorg.2024.107121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 01/02/2024] [Accepted: 01/10/2024] [Indexed: 02/17/2024]
Abstract
Protein tyrosine phosphatases (PTPs) are the class of dephosphorylation enzymes that catalyze the removal of phosphate groups from tyrosine residues on proteins responsible for various cellular processes. Any disbalance in signal pathways mediated by PTPs leads to various disease conditions like diabetes, obesity, cancers, and autoimmune disorders. Amongst the PTP superfamily, PTP1B, SHP2, Cdc25, and LMW-PTP have been prioritized as druggable targets for developing medicinal agents. PTP1B is an intracellular PTP enzyme that downregulates insulin and leptin signaling pathways and is involved in insulin resistance and glucose homeostasis. SHP2 is involved in the RAS-MAPK pathway and T cell immunity. Cdk-cyclin complex activation occurs by Cdc25-PTPs involved in cell cycle regulation. LMW-PTPs are involved in PDGF/PDGFR, Eph/ephrin, and insulin signaling pathways, resulting in certain diseases like diabetes mellitus, obesity, and cancer. The signaling cascades of PTP1B, SHP2, Cdc25, and LMW-PTPs have been described to rationalize their medicinal importance in the pathophysiology of diabetes, obesity, and cancer. Their binding sites have been explored to overcome the hurdles in discovering target selective molecules with optimum potency. Recent developments in the synthetic molecules bearing heterocyclic moieties against these targets have been explored to gain insight into structural features. The elaborated SAR investigation revealed the effect of substituents on the potency and target selectivity, which can be implicated in the further discovery of newer medicinal agents targeting the druggable members of the PTP superfamily.
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Affiliation(s)
- Bhavana
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga 142 001, (Punjab), India
| | - Rupali Kohal
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga 142 001, (Punjab), India
| | - Preety Kumari
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga 142 001, (Punjab), India
| | - Ghanshyam Das Gupta
- Department of Pharmaceutics, ISF College of Pharmacy, Moga 142 001, (Punjab), India
| | - Sant Kumar Verma
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga 142 001, (Punjab), India.
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Ponzi S, Ferrigno F, Bisbocci M, Alli C, Ontoria JM, Petrocchi A, Toniatti C, Torrente E. Direct-to-biology platform: From synthesis to biological evaluation of SHP2 allosteric inhibitors. Bioorg Med Chem Lett 2024; 100:129626. [PMID: 38266789 DOI: 10.1016/j.bmcl.2024.129626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/16/2024] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
Tyrosine phosphatase SHP2 is a proto-oncogenic protein involved in cell growth and differentiation via diverse intracellular signaling pathways. With the scope of identifying new SHP2 allosteric inhibitors, we report here the development and optimization of a high-throughput "Direct-to-Biology" (D2B) workflow including the synthesis and the biological evaluation of the reaction crude, thus eliminating the need for purification. During this labor-saving procedure, the structural diversity was introduced through a SNAr reaction. A wide array of analogues with good chemical purity was generated, allowing the obtention of reliable biological data which validated this efficient technique. This approach enabled the fast evaluation of a variety of structurally diverse fragments leading to nanomolar SHP2 allosteric inhibitors and a new series bearing a novel bicyclo[3.1.0]hexane moiety.
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Affiliation(s)
- Simona Ponzi
- Department of Drug Discovery, IRBM S.p.A., Via Pontina km 30.600, 00071 Pomezia, Rome, Italy.
| | - Federica Ferrigno
- Department of Drug Discovery, IRBM S.p.A., Via Pontina km 30.600, 00071 Pomezia, Rome, Italy
| | - Monica Bisbocci
- Department of Biology and Translational Research, IRBM S.p.A., Via Pontina km 30.600, 00071 Pomezia, Rome, Italy
| | - Cristina Alli
- Department of Biology and Translational Research, IRBM S.p.A., Via Pontina km 30.600, 00071 Pomezia, Rome, Italy
| | - Jesus M Ontoria
- Department of Drug Discovery, IRBM S.p.A., Via Pontina km 30.600, 00071 Pomezia, Rome, Italy
| | - Alessia Petrocchi
- Department of Drug Discovery, IRBM S.p.A., Via Pontina km 30.600, 00071 Pomezia, Rome, Italy
| | - Carlo Toniatti
- Chief Scientific Officer, IRBM S.p.A., Via Pontina km 30.600, 00071 Pomezia, Rome, Italy
| | - Esther Torrente
- Department of Drug Discovery, IRBM S.p.A., Via Pontina km 30.600, 00071 Pomezia, Rome, Italy
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15
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Li T, Xu B, Li W, Cheng X, Tantai W, Zheng H, Zhao L, Li N, Han C. Allosteric inhibitor of SHP2 enhances macrophage endocytosis and bacteria elimination by increasing caveolae activation and protects against bacterial sepsis. Pharmacol Res 2024; 201:107096. [PMID: 38320736 DOI: 10.1016/j.phrs.2024.107096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 02/09/2024]
Abstract
The uncontrolled bacterial infection-induced cytokine storm and sequential immunosuppression are commonly observed in septic patients, which indicates that the activation of phagocytic cells and the efficient and timely elimination of bacteria are crucial for combating bacterial infections. However, the role of dysregulated immune cells and their disrupted function in sepsis remains unclear. Here, we found that macrophages exhibited the impaired endocytosis capabilities in sepsis by Single-cell RNA sequencing and bulk RNA sequencing. Caveolae protein Caveolin-1 (Cav-1) of macrophages was inactivated by SHP2 rapidly during Escherichia coli (E.coli) infection. Allosteric inhibitor of SHP2 effectively maintains Cav-1 phosphorylation to enhance macrophage to endocytose and eliminate bacteria. Additionally, TLR4 endocytosis of macrophage was also enhanced upon E.coli infection by SHP099, inducing an increased and rapidly resolved inflammatory response. In vivo, pretreatment or posttreatment with inhibitor of SHP2 significantly reduced the bacterial burden in organs and mortality of mice subjected E.coli infection or CLP-induced sepsis. The cotreatment of inhibitor of SHP2 with an antibiotic conferred complete protection against mortality in mice. Our findings suggest that Cav-1-mediated endocytosis and bacterial elimination may play a critical role in the pathogenesis of sepsis, highlighting inhibitor of SHP2 as a potential therapeutic agent for sepsis.
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Affiliation(s)
- Tianliang Li
- National Key Laboratory of Immunity & Inflammation, Institute of Immunology, Naval Medical University, Shanghai 200433, China
| | - Bing Xu
- School of Anesthesiology, Naval Medical University, Shanghai 200433, China
| | - Wenqian Li
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Xiaotao Cheng
- Suzhou Jizhi Medical Corporation, Jiangsu 215400, China
| | - Wenjing Tantai
- Department of Histology and Embryology and Shanghai Key Laboratory of Cell Engineering, Naval Medical University, Shanghai 200433, China
| | - Haiyan Zheng
- Department of Emergency, Dongfang Hospital, Tongji University, Shanghai 200210, China
| | - Liming Zhao
- Department of Emergency, Dongfang Hospital, Tongji University, Shanghai 200210, China.
| | - Nan Li
- National Key Laboratory of Immunity & Inflammation, Institute of Immunology, Naval Medical University, Shanghai 200433, China.
| | - Chaofeng Han
- National Key Laboratory of Immunity & Inflammation, Institute of Immunology, Naval Medical University, Shanghai 200433, China; Department of Histology and Embryology and Shanghai Key Laboratory of Cell Engineering, Naval Medical University, Shanghai 200433, China.
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16
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Deng R, Zhang L, Chen S, Li X, Xue B, Li H, Xu Y, Tian R, Liu Q, Wang L, Liu S, Yang D, Li P, Tang S, Zhu H. PZR suppresses innate immune response to RNA viral infection by inhibiting MAVS activation in interferon signaling mediated by RIG-I and MDA5. Antiviral Res 2024; 222:105797. [PMID: 38185222 DOI: 10.1016/j.antiviral.2024.105797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 01/09/2024]
Abstract
RNA viral infections seriously endanger human health. Src homology 2 (SH2) domain-containing protein tyrosine phosphatase 2 (SHP2) suppresses innate immunity against influenza A virus, and pharmacological inhibition of SHP2 provokes hepatic innate immunity. SHP2 binds and catalyzes tyrosyl dephosphorylation of protein zero-related (PZR), but the regulatory effect of PZR on innate immune response to viral infection is unclear. In this study, the transcription and protein level of PZR in host cells were found to be decreased with RNA viral infection, and high level of PZR was uncovered to inhibit interferon (IFN) signaling mediated by RIG-I and MDA5. Through localizing in mitochondria, PZR targeted and interacted with MAVS (also known as IPS-1/VISA/Cardif), suppressing the aggregation and activation of MAVS. Specifically, Y263 residue in ITIM is critical for PZR to exert immunosuppression under RNA viral infection. Moreover, the recruited SHP2 by PZR that modified with tyrosine phosphorylation under RNA viral infection might inhibit phosphorylation activation of MAVS. In conclusion, PZR and SHP2 suppress innate immune response to RNA viral infection through inhibiting MAVS activation. This study reveals the regulatory mechanism of PZR-SHP2-MAVS signal axis on IFN signaling mediated by RIG-I and MDA5, which may provide new sight for developing antiviral drugs.
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Affiliation(s)
- Rilin Deng
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Lini Zhang
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Shengwen Chen
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Xinran Li
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Binbin Xue
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China; Key Laboratory of Tropical Translational Medicine of Ministry of Education, Department of Pathogen Biology, School of Basic Medicine and Life Science, Department of Pathology and Hainan Province Clinical Medical Center of the First Affiliated Hospital, The University of Hong Kong Joint Laboratory of Tropical Infectious Diseases, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, 571199, Hainan, China
| | - Huiyi Li
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China; Key Laboratory of Tropical Translational Medicine of Ministry of Education, Department of Pathogen Biology, School of Basic Medicine and Life Science, Department of Pathology and Hainan Province Clinical Medical Center of the First Affiliated Hospital, The University of Hong Kong Joint Laboratory of Tropical Infectious Diseases, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, 571199, Hainan, China
| | - Yan Xu
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Renyun Tian
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Qian Liu
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Luoling Wang
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Shun Liu
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Di Yang
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Penghui Li
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Songqing Tang
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China
| | - Haizhen Zhu
- Institute of Pathogen Biology and Immunology, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, Hunan, China; Key Laboratory of Tropical Translational Medicine of Ministry of Education, Department of Pathogen Biology, School of Basic Medicine and Life Science, Department of Pathology and Hainan Province Clinical Medical Center of the First Affiliated Hospital, The University of Hong Kong Joint Laboratory of Tropical Infectious Diseases, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, 571199, Hainan, China.
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Lu X, Yu R, Li Z, Yang M, Dai J, Liu M. JC-010a, a novel selective SHP2 allosteric inhibitor, overcomes RTK/non-RTK-mediated drug resistance in multiple oncogene-addicted cancers. Cancer Lett 2024; 582:216517. [PMID: 38101609 DOI: 10.1016/j.canlet.2023.216517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/13/2023] [Accepted: 11/23/2023] [Indexed: 12/17/2023]
Abstract
Src homology 2 domain-containing phosphatase (SHP2) is a non-receptor protein phosphatase that transduces signals from upstream receptor tyrosine kinases (RTKs)/non-RTKs to Ras/MAPK pathway. Accumulating studies indicated that SHP2 is a critical mediator of resistance to current targeted therapies in multiple cancers. Here, we reported a novel SHP2 allosteric inhibitor JC-010a, which was highly selective to SHP2 and bound at the "tunnel" allosteric site of SHP2. The effect of JC-010a on combating RTK/non-RTK or MAPK inhibitors-induced acquired resistance was explored. Our study demonstrated that JC-010a monotherapy significantly inhibited the proliferation of cancer cells with different oncogenic drivers via inhibiting signaling through SHP2. Importantly, JC-010a abolished acquired resistance induced by targeted therapies: in KRAS-mutant cancers, JC-010a abrogated selumetinib-induced adaptive resistance mediated by RTK/SHP2; in BCR-ABL-driven leukemia cells, we demonstrated JC-010a inhibited BCR-ABL T315I mutation-mediated imatinib resistance and proposed a novel mechanism of JC-010a involving the disrupted co-interaction of SHP2, BCR-ABL, and Hsp90; in non-small cell lung cancer (NSCLC) cells, JC-010a inhibited both EGFR T790M/C797S mutation and alternate RTK-driven resistance to gefitinib or osimertinib; importantly, we first proposed a novel potential therapeutic strategy for RET-rearranged cancer, we confirmed that JC-010a monotherapy inhibited cell resistance to BLU-667, and JC-010a/BLU-667 combination prolonged anticancer response both in vivo and in vitro cancer models by inhibiting the alternate MET activation-induced RAS/MAPK reactivation, thereby promoting cancer cell apoptosis. These findings suggested that JC-010a was a novel selective SHP2 allosteric inhibitor, and combing JC-010a with current targeted therapy agents provided a promising therapeutic approach for clinical resistant cancers.
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Affiliation(s)
- Xuxiu Lu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Rilei Yu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Zhen Li
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
| | - Mengke Yang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
| | - Jiajia Dai
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Ming Liu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
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18
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Cai J, Wang Q, Tan S, Jiang Q, Liu R, Su G, Yi S, Yang P. Plasma-derived exosomal protein SHP2 deficiency induces neutrophil hyperactivation in Behcet's uveitis. Exp Eye Res 2024; 239:109785. [PMID: 38211682 DOI: 10.1016/j.exer.2024.109785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/11/2023] [Accepted: 01/08/2024] [Indexed: 01/13/2024]
Abstract
To investigate the effect of plasma-derived exosomal proteins on neutrophil hyperactivation in Behcet's uveitis (BU), we treated neutrophils from healthy controls with plasma-derived exosomes from active BU patients, and determined the level of neutrophil activation by real-time quantitative PCR (RT-qPCR) and cytokine detection assay. The results revealed that exosomes from active BU patients could activate neutrophils as shown by increasing the expression levels of pro-inflammatory cytokines (IL-17 and IL-6), chemokines (IL-8 and MCP-1), and NETs (MPO and ELANE). Label-free quantitative proteomic analysis of plasma-derived exosomes from patients and healthy controls found a remarkably distinct protein profile and identified differentially expressed proteins (DEPs) between the two groups. The results of GO, KEGG, and GSEA enrichment analysis showed that DEPs were enriched in innate immune-mediated and neutrophil hyperactivation-related signaling pathways. The protein-protein interaction (PPI) analysis determined that SHP2 was a downregulated key hub protein in the exosomes of active BU patients. Knockdown of SHP2 in human neutrophil cell lines (NB4 cells) was shown to promote the secretion of pro-inflammatory cytokines, chemokines, and NETs. The converse effects were observed following SHP2 overexpression. In conclusion, we highlighted a pathogenic role of plasma-derived exosomal SHP2 deficiency in facilitating neutrophil activation and suggested that SHP2 might be an immunoprotective factor in BU pathologic process.
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Affiliation(s)
- Jinyu Cai
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, PR China
| | - Qingfeng Wang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, PR China
| | - Shiyao Tan
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, PR China
| | - Qingyan Jiang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, PR China
| | - Rong Liu
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, PR China
| | - Guannan Su
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, PR China
| | - Shenglan Yi
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, PR China
| | - Peizeng Yang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, PR China.
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Li Y, Guo A, Liu J, Tang L, Su L, Liu Z. Myeloid-specific knockout of Notch-1 inhibits MyD88- and TRIF-mediated TLR signaling pathways by regulating oxidative stress- SHP2 axis, thus restraining aneurysm progression. Aging (Albany NY) 2024; 16:1182-1191. [PMID: 38284891 PMCID: PMC10866402 DOI: 10.18632/aging.205392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 11/15/2023] [Indexed: 01/30/2024]
Abstract
OBJECTIVE Notch-1 is a signal regulatory protein with extensive effects in myeloid cells, but its role in aneurysms remains to be fully clarified. In this study, therefore, the aneurysm mouse model with myeloid-specific knockout of Notch-1 was established to observe the role of Notch-1 in aneurysm progression. METHODS AND RESULTS The effect of Notch-1 was assessed by pathological staining and Western blotting. It was found that after myeloid-specific knockout of Notch-1 in the aneurysm mouse model, the area of aneurysms and the macrophage infiltration were significantly reduced, the damage to arterial elastic plates was significantly relieved, and the oxidative stress level significantly declined. The results of Western blotting showed that after myeloid-specific knockout of Notch-1, the levels of oxidative stress-related proteins p22 and p47 in aneurysm tissues significantly declined, accompanied by a significant increase in the protein level of Src homology 2 domain-containing tyrosine phosphatase-2 (SHP2). In addition, the levels of phosphorylated myeloid differential protein-88 (MyD88), TIR domain-containing adaptor-inducing interferon-β (TRIF) and nuclear factor-κB (NF-κB), and inflammatory cytokines interferon-γ (IFN-γ), interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) also significantly decreased after myeloid-specific knockout of Notch-1. Following myeloid-specific knockout of Notch-1, the phagocytic capacity of macrophages was enhanced by promoting the SHP2 signaling pathway. CONCLUSION Notch-1 in monocytes/macrophages can activate the Toll-like receptor (TLR)-mediated inflammatory and stress responses by activating oxidative stress and inhibiting the SHP2 protein expression, thus facilitating aneurysm progression.
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Affiliation(s)
- Yu Li
- Department of Cardiovascular Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Ailin Guo
- Department of Cardiovascular Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Jianlei Liu
- Department of Cardiovascular Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Lijuan Tang
- Institute of Prevention and Control of Non-communicable Chronic Diseases, Hebei Province Center for Disease Prevention and Control, Shijiazhuang 050021, China
| | - Lide Su
- Department of Cardiovascular Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Zonghong Liu
- Department of Cardiovascular Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
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20
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Xu WQ, Qi SZ, Zhao JF, Li LP, Ding CH, Liu WS. Discovery of 1H-pyrazolo[3,4- b]pyrazine derivatives as selective allosteric inhibitor of protein tyrosine phosphatase SHP2 for the treatment of KRAS G12C-mutant non-small cell lung cancer. J Biomol Struct Dyn 2024:1-9. [PMID: 38258435 DOI: 10.1080/07391102.2024.2308771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 01/17/2024] [Indexed: 01/24/2024]
Abstract
The high expression or mutation of SHP2 can induce cancer, so targeting SHP2 has become a new strategy for cancer treatment. In this study, we used the previously reported SHP2 allosteric inhibitor IACS-13909 as a lead drug for structural derivation and modification, and synthesized three SHP2 inhibitors. Among them, 1H-pyrazolo[3,4-b]pyrazine derivative 4b was a highly selective SHP2 allosteric inhibitor, with an IC50 value of 3.2 nM, and its inhibitory activity was 17.75 times than that of the positive control IACS-13909. The cell proliferation experiment detected that compound 4b would markedly inhibit the proliferation of various cancer cells. Interestingly, compound 4b was highly sensitive to KRASG12C-mutant non-small cell lung cancer NCI-H358 cells, with an IC50 value of 0.58 μM and its antiproliferative activity was 4.79 times than that of IACS-13909. Furthermore, the combination therapy of compound 4b and KRASG12C inhibitor sotorasib would play a strong synergistic effect against NCI-H358 cells. The western blot experiment detected that compound 4b markedly downregulated the phosphorylation levels of ERK and AKT in NCI-H358 cells. Molecular docking study predicted that compound 4b bound to the allosteric site of SHP2 and formed H-bond interactions with key residues Thr108, Glu110, Arg111, and Phe113. In summary, this study aims to provide new ideas for the development of SHP2 allosteric inhibitors for the treatment of KRASG12C mutant non-small cell lung cancer.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Wen-Qiang Xu
- Department of Pharmacy, Binzhou Medical University Hospital, Binzhou, Shandong Province, China
| | - Shi-Zhou Qi
- Department of Pharmacy, Binzhou Medical University Hospital, Binzhou, Shandong Province, China
| | - Ji-Feng Zhao
- Shandong Key Laboratory of Medicine and Health (Clinical Applied Pharmacology), Department of Pharmacy, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, China
| | - Li-Peng Li
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, China
| | - Chuan-Hua Ding
- Shandong Key Laboratory of Medicine and Health (Clinical Applied Pharmacology), Department of Pharmacy, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, China
| | - Wen-Shan Liu
- Shandong Key Laboratory of Medicine and Health (Clinical Applied Pharmacology), Department of Pharmacy, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, China
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, China
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21
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Hoffman M, Cheah KMH, Wittrup KD. A Novel Gain-of-Signal Assay to Detect Targeted Protein Degradation. ACS Synth Biol 2024; 13:220-229. [PMID: 38171010 DOI: 10.1021/acssynbio.3c00447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Targeted protein degradation offers a promising avenue for expanding therapeutic development to previously inaccessible proteins of interest by regulating the target abundance rather than activity. However, current methods to screen for effective degraders serve as major bottlenecks for the development of degrader therapies. Here, we develop a novel assay platform for identification and characterization of macromolecules capable of inducing targeted degradation of oncogenic phosphatase SHP2. Unlike traditional reporter assays that utilize loss-of-signal readouts to detect degradation, our assay platform expresses a robust fluorescence signal in response to the depletion of a target protein and incorporates additional measures intended to prevent undesirable false positives. Using this gain-of-signal assay, we successfully identified novel macromolecule SHP2 degraders from a screen of 192 candidates and proposed design principles for further development of macromolecule degraders. This work demonstrates a proof of concept for gain-of-signal assays as a tool for screening targeted degrader candidates.
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Affiliation(s)
- Megan Hoffman
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Keith Ming Hong Cheah
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - K Dane Wittrup
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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22
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Jooss NJ, Diender MG, Fernández DI, Huang J, Heubel-Moenen FCJ, van der Veer A, Kuijpers MJE, Poulter NS, Henskens YMC, Te Loo M, Heemskerk JWM. Restraining of glycoprotein VI- and integrin α2β1-dependent thrombus formation by platelet PECAM1. Cell Mol Life Sci 2024; 81:44. [PMID: 38236412 PMCID: PMC10796532 DOI: 10.1007/s00018-023-05058-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 10/15/2023] [Accepted: 11/21/2023] [Indexed: 01/19/2024]
Abstract
The platelet receptors, glycoprotein VI (GPVI) and integrin α2β1 jointly control collagen-dependent thrombus formation via protein tyrosine kinases. It is unresolved to which extent the ITIM (immunoreceptor tyrosine-based inhibitory motif) receptor PECAM1 and its downstream acting protein tyrosine phosphatase PTPN11 interfere in this process. Here, we hypothesized that integrin α2β1 has a co-regulatory role in the PECAM1- and PTPN11-dependent restraint of thrombus formation. We investigated platelet activation under flow on collagens with a different GPVI dependency and using integrin α2β1 blockage. Blood was obtained from healthy subjects and from patients with Noonan syndrome with a gain-of-function mutation of PTPN11 and variable bleeding phenotype. On collagens with decreasing GPVI activity (types I, III, IV), the surface-dependent inhibition of PECAM1 did not alter thrombus parameters using control blood. Blockage of α2β1 generally reduced thrombus parameters, most effectively on collagen IV. Strikingly, simultaneous inhibition of PECAM1 and α2β1 led to a restoration of thrombus formation, indicating that the suppressing signaling effect of PECAM1 is masked by the platelet-adhesive receptor α2β1. Blood from 4 out of 6 Noonan patients showed subnormal thrombus formation on collagen IV. In these patients, effects of α2β1 blockage were counterbalanced by PECAM1 inhibition to a normal phenotype. In summary, we conclude that the suppression of GPVI-dependent thrombus formation by either PECAM1 or a gain-of-function of PTPN11 can be overruled by α2β1 engagement.
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Affiliation(s)
- Natalie J Jooss
- Department of Biochemistry, Maastricht University, Maastricht, The Netherlands
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
- Molecular Haematology Unit, University of Oxford, Headington, OX3 9DS, UK
| | - Marije G Diender
- Department of Pediatric Hematology, Amalia Children's Hospital, Radboud UMC, Nijmegen, The Netherlands
| | - Delia I Fernández
- Department of Biochemistry, Maastricht University, Maastricht, The Netherlands
- Platelet Proteomics Group, Centre for Research in Molecular Medicine and Chronic Diseases (CIMUS), Universidad de Santiago de Compostela, Santiago de Compostela, Spain
| | - Jingnan Huang
- Department of Biochemistry, Maastricht University, Maastricht, The Netherlands
- Platelet Proteomics Group, Centre for Research in Molecular Medicine and Chronic Diseases (CIMUS), Universidad de Santiago de Compostela, Santiago de Compostela, Spain
| | - Floor C J Heubel-Moenen
- Department of Internal Medicine, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Arian van der Veer
- Department of Pediatric Hematology, Amalia Children's Hospital, Radboud UMC, Nijmegen, The Netherlands
- Department of Pediatric Hematology, Maastricht University Medical Center, Maastricht, The Netherlands
| | | | - Natalie S Poulter
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
- Centre of Membrane Proteins and Receptors, Universities of Birmingham and Nottingham, Nottingham, Midlands, UK
| | - Yvonne M C Henskens
- Central Diagnostic Laboratory, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Maroeska Te Loo
- Department of Pediatric Hematology, Amalia Children's Hospital, Radboud UMC, Nijmegen, The Netherlands
| | - Johan W M Heemskerk
- Department of Biochemistry, Maastricht University, Maastricht, The Netherlands.
- Synapse Research Institute Maastricht, Kon. Emmaplein 7, 6217 KD, Maastricht, The Netherlands.
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Yuan Z, Chen X, Fan S, Chang L, Chu L, Zhang Y, Wang J, Li S, Xie J, Hu J, Miao R, Zhu L, Zhao Z, Li H, Li S. Binding Free Energy Calculation Based on the Fragment Molecular Orbital Method and Its Application in Designing Novel SHP-2 Allosteric Inhibitors. Int J Mol Sci 2024; 25:671. [PMID: 38203841 PMCID: PMC10779950 DOI: 10.3390/ijms25010671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/28/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024] Open
Abstract
The accurate prediction of binding free energy is a major challenge in structure-based drug design. Quantum mechanics (QM)-based approaches show promising potential in predicting ligand-protein binding affinity by accurately describing the behavior and structure of electrons. However, traditional QM calculations face computational limitations, hindering their practical application in drug design. Nevertheless, the fragment molecular orbital (FMO) method has gained widespread application in drug design due to its ability to reduce computational costs and achieve efficient ab initio QM calculations. Although the FMO method has demonstrated its reliability in calculating the gas phase potential energy, the binding of proteins and ligands also involves other contributing energy terms, such as solvent effects, the 'deformation energy' of a ligand's bioactive conformations, and entropy. Particularly in cases involving ionized fragments, the calculation of solvation free energy becomes particularly crucial. We conducted an evaluation of some previously reported implicit solvent methods on the same data set to assess their potential for improving the performance of the FMO method. Herein, we develop a new QM-based binding free energy calculation method called FMOScore, which enhances the performance of the FMO method. The FMOScore method incorporates linear fitting of various terms, including gas-phase potential energy, deformation energy, and solvation free energy. Compared to other widely used traditional prediction methods such as FEP+, MM/PBSA, MM/GBSA, and Autodock vina, FMOScore showed good performance in prediction accuracies. By constructing a retrospective case study, it was observed that incorporating calculations for solvation free energy and deformation energy can further enhance the precision of FMO predictions for binding affinity. Furthermore, using FMOScore-guided lead optimization against Src homology-2-containing protein tyrosine phosphatase 2 (SHP-2), we discovered a novel and potent allosteric SHP-2 inhibitor (compound 8).
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Affiliation(s)
- Zhen Yuan
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Xingyu Chen
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Sisi Fan
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Longfeng Chang
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Linna Chu
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Ying Zhang
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Jie Wang
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Shuang Li
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Jinxin Xie
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Jianguo Hu
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Runyu Miao
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Lili Zhu
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Zhenjiang Zhao
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
| | - Honglin Li
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
- Innovation Center for AI and Drug Discovery, East China Normal University, Shanghai 200062, China
- Lingang Laboratory, Shanghai 200031, China
| | - Shiliang Li
- Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science & Technology, Shanghai 200237, China; (Z.Y.); (X.C.); (S.F.); (Z.Z.)
- Innovation Center for AI and Drug Discovery, East China Normal University, Shanghai 200062, China
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Tang YY, Xu WD, Fu L, Liu XY, Huang AF. Synergistic effects of BTN3A1, SHP2, CD274, and STAT3 gene polymorphisms on the risk of systemic lupus erythematosus: a multifactorial dimensional reduction analysis. Clin Rheumatol 2024; 43:489-499. [PMID: 37688767 DOI: 10.1007/s10067-023-06765-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/23/2023] [Accepted: 09/01/2023] [Indexed: 09/11/2023]
Abstract
OBJECTIVE Systemic lupus erythematosus is a complex autoimmune disorder, and evidence supports the significance of genetic polymorphisms in SLE genetic susceptibility. The aim of this study was to assess the effects of BTN3A1 (butyrophilin 3A1), SHP2 (Src homology-2 containing protein tyrosine phosphatase), CD274 (programmed cell death 1 ligand 1), and STAT3 (signal transducer-activator of transcription 3) gene interactions on SLE risk. MATERIALS AND METHODS Two hundred and ninety patients diagnosed with SLE and 370 healthy controls were recruited. A multifactor dimensionality reduction (MDR) approach was used to determine the epistasis among single nucleotide polymorphisms (SNPs) on the BTN3A1 (rs742090), SHP2 (rs58116261), CD174 (rs702275), and STAT3 (rs8078731) genes. The best risk prediction model was identified in terms of precision and cross-validation consistency. RESULTS Allele A and genotype AA were negatively related to genetic susceptibility of SLE for BTN3A1 rs742090 (OR = 0.788 (0.625-0.993), P = 0.044; OR = 0.604 (0.372-0.981), P = 0.040). For STAT3 rs8078731, allele A and genotype AA were positively related to the risk of SLE (OR = 1.307 (1.032-1.654), P = 0.026; OR = 1.752 (1.020-3.010), P = 0.041). MDR analysis revealed the most significant interaction between BTN3A1 rs742090 and SHP2 rs58116261. The best risk prediction model was a combination of BTN3A1 rs742090, SHP2 rs58116261, and STAT3 rs8078731 (accuracy = 0.5866, consistency = 10/10, OR = 1.9870 (1.5964-2.4731), P = 0.001). CONCLUSION These data indicate that risk prediction models formed by gene interactions (BTN3A1, SHP2, STAT3) can identify susceptible populations of SLE. Key Points • BTN3A1 rs742090 polymorphism was a protective factor for systemic lupus erythematosus, while STAT3 rs8078731 polymorphism was a risk factor. • There was a strong synergistic effect of BTN3A1 rs742090 and SHP2 rs58116261, and interaction among BTN3A1 rs742090, SHP2 rs58116261, and STAT3 rs8078731 constructed the best model to show association with SLE risk.
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Affiliation(s)
- Yang-Yang Tang
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Wang-Dong Xu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China.
| | - Lu Fu
- Laboratory Animal Center, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiao-Yan Liu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - An-Fang Huang
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.
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Woutersen DTJ, Majolée J, den Hertog J. Protein Tyrosine Phosphatase Studies in Zebrafish. Methods Mol Biol 2024; 2743:93-110. [PMID: 38147210 DOI: 10.1007/978-1-0716-3569-8_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
The zebrafish is an ideal model for functional analysis of genes at the molecular, protein, cell, organ, and organism levels. We have used zebrafish to analyze the function of members of the protein tyrosine phosphatase (PTP) superfamily for more than two decades. The molecular genetic toolbox has significantly improved over the years. Currently, generating mutant lines that lack the function of a PTP gene is relatively straightforward by CRISPR/Cas9 technology-mediated generation of insertions or deletions in the target gene. In addition, generating point mutations using CRISPR/Cas9 technology and homology-directed repair (HDR) is feasible, albeit the success rate could be higher. Here, we describe the methods, including the tips and tricks, that we have used to generate knock-out and knock-in zebrafish lines in PTP genes successfully.
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Affiliation(s)
| | - Jisca Majolée
- Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands
| | - Jeroen den Hertog
- Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands.
- Institute Biology Leiden, Leiden University, Leiden, The Netherlands.
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26
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Liu X, Li M, Chen L, Wen F, Zheng S, Ge W. High expression of SHP2 predicts a promising prognosis in colorectal cancer. INDIAN J PATHOL MICR 2024; 67:29-35. [PMID: 38358185 DOI: 10.4103/ijpm.ijpm_894_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024] Open
Abstract
Background Src homology 2 domain-containing phosphatase 2 (SHP2) is hyper-activated in some solid tumors. Previous findings suggest that the expression of SHP2 in colorectal cancer (CRC) may be associated with prognosis. However, validation with large sample data is lacking. Materials and Methods: Tissue microarrays containing 860 CRCs and 197 mucosal tissues adjacent to the tumors were constructed. Immunohistochemistry was used to evaluate the expression of SHP2. Differences between SHP2 expression and clinicopathological parameters were evaluated. Kaplan-Meier survival curves and log-rank tests were used to analyze the relationships between SHP2 expression and the overall survival of patients. A Cox proportional hazard regression model was used for univariate and multivariate analyses of prognostic factors. Results SHP2 expression in CRCs tissues was significantly higher than those in adjacent mucosal tissues (P < 0.001). SHP2 expression was related to tumor differentiation, depth of invasion, distant metastasis, vascular tumor thrombus, lymph node metastasis, and TNM classification (P < 0.05). The prognosis of the high-expression group of SHP2 was significantly better than that of the low-expression group (P = 0.008). Univariate analysis showed that the expression of SHP2 was a prognostic factor for CRC (P = 0.008). Multivariate analysis demonstrated that SHP2 remained an independent prognostic factor for CRC (P = 0.033). Conclusion The expression of SHP2 was significantly higher in CRC tissues than in adjacent normal tissues. High expression of SHP2 was associated with a promising outcome, suggesting that SHP2 may be a favorable prognostic indicator of CRC.
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Affiliation(s)
- Xibo Liu
- Department of Pathology, Shaoxing People's Hospital, Shaoxing, China
| | - Mengyao Li
- Department of Pathology, Shaoxing People's Hospital, Shaoxing, China
| | - Lirong Chen
- Department of Pathology, China National Ministry of Education), The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Fei Wen
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Shu Zheng
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Weiting Ge
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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Bishop AC, Serbina A. Targeting Nonconserved and Pathogenic Cysteines of Protein Tyrosine Phosphatases with Small Molecules. Methods Mol Biol 2024; 2743:271-283. [PMID: 38147221 DOI: 10.1007/978-1-0716-3569-8_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Protein tyrosine phosphatases (PTPs) are important therapeutic targets for a range of human pathologies. However, the common architecture of PTP active sites impedes the discovery of selective PTP inhibitors. Our laboratory has recently developed methods to inhibit PTPs allosterically by targeting cysteine residues that either (i) are not conserved in the PTP family or (ii) result from pathogenic mutations. Here, we describe screening protocols for the identification of selective inhibitors that covalently engage such "rare" cysteines in target PTPs. Moreover, to elucidate the breadth of possible applications of our cysteine-directed screening protocols, we provide a brief overview of the nonconserved cysteines present in all human classical PTP domains.
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Affiliation(s)
| | - Anna Serbina
- Department of Chemistry, Amherst College, Amherst, MA, USA
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Zhang S, Ren D, Hou H, Yao L, Yuan H. M-CSF secreted by gastric cancer cells exacerbates the progression of gastric cancer by increasing the expression of SHP2 in tumor-associated macrophages. Aging (Albany NY) 2023; 15:15525-15534. [PMID: 38159254 PMCID: PMC10781482 DOI: 10.18632/aging.205390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 10/23/2023] [Indexed: 01/03/2024]
Abstract
OBJECTIVE To investigate the effect of Src homology 2 domain-containing tyrosine phosphatase-2 (SHP2) in tumor-associated macrophages (TAMs), which is mediated by macrophage colony-stimulating factor (M-CSF) secreted by gastric cancer cells, on the development of gastric cancer and its molecular mechanism. METHODS The progression of gastric cancer was detected by nude mouse tumor-bearing experiments. Colony formation assay and cell counting kit-8 (CCK8) assay were used to detect the proliferation capacity of gastric cancer cells. The migration capacity of gastric cancer cells was examined by wound healing assay. Transwell migration and invasion assays were performed on gastric cancer cells. Detection of relevant protein expression using western blotting. RESULTS Overexpression of SHP2 could promote the progression of gastric cancer in nude mice. The results of colony formation assay and CCK8 assay showed that overexpression of SHP2 could enhance the proliferation of gastric cancer cells. It was found by wound healing assay and Transwell assay that overexpression of SHP2 could facilitate the migration and invasion of gastric cancer cells. The results of Western blotting revealed that overexpression of SHP2 could increase the expressions of p-STAT3, s-PD-1, p-Src, p-Lyn, p-PI3K, p-AKT, Arginase-1, MMP1 and MMP3 but decrease the expressions of TBK1 and SOCS1 in TAMs, and also increase the expressions of CD9, TSG101 and s-PD-1 in exosomes. CONCLUSION M-CSF secreted by gastric cancer cells can promote the proliferation, invasion and migration of gastric cancer cells by increasing the expression of SHP2 in TAMs.
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Affiliation(s)
- Shaohua Zhang
- Eighth People’s Hospital of Hebei Province, Shijiazhuang 050000, China
| | - Dongfei Ren
- Eighth People’s Hospital of Hebei Province, Shijiazhuang 050000, China
| | - Huiyu Hou
- HeBei General Hospital, Shijiazhuang 050000, China
| | - Li Yao
- Handan Central Hospital, Handan 056000, China
| | - Hufang Yuan
- The Fourth Hospital of Hebei Medical University, Shijiazhuang 050000, China
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Hao LS, Zhan ZY, Song J, Miao XJ, He Y, Jiang MY, Ji JX, Mo YB. [Effect of adenovirus-mediated shRNA down-regulates SHP2 expression on the apoptosis of human hepatic stellate cells LX-2]. Zhonghua Gan Zang Bing Za Zhi 2023; 31:1313-1317. [PMID: 38253076 DOI: 10.3760/cma.j.cn501113-20220228-00090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Objective: To investigate the effect of adenovirus-mediated short hairpin RNA (shRNA) downregulating SH2 domain-containing protein tyrosine phosphatase 2 (SHP2) on the apoptosis of human hepatic stellate cells LX-2 cultured in vitro. Methods: The recombinant adenovirus Ad-shRNA/SHP2 carrying shRNA targeted SHP2 and expressing green fluorescent protein (GFP), and the empty control virus Ad-GFP expressing GFP were transfected into LX-2 cells cultured in vitro. Real-time fluorescence quantitative PCR was used to detect SHP2 mRNA expression in LX-2 cells. Western blot was used to detect the protein expressions of SHP2, Bax, and Bcl-2 in LX-2 cells. TUNEL and annexin-V/propidium iodide dual-labeled flow cytometry were used to detect apoptosis in LX-2 cells. Experimental group: (1) Control group: LX-2 cells were transfected with DMEM instead of adenovirus; (2) Ad-GFP group: transfected with empty virus Ad-GFP; (3) Ad-shRNA/SHP2 group: transfected with recombinant adenovirus Ad-shRNA/SHP2. The means between multiple groups were compared using a one-way ANOVA and the LSD test was used for inter group comparisons. Results: shRNA-targeted SHP2 significantly down-regulated the expression of SHP2 protein and mRNA in LX-2 cells (P < 0.05). The TUNEL and annexin-V/propidium iodide dual-labeled flow cytometry results showed that the apoptosis rate of LX-2 cells in the Ad-shRNA/SHP2 group (12.755%±1.606%, 19.340%±2.505%) (P < 0.05) was significantly higher compared to the control group (3.077%±0.731%, 9.438%±0.804%) and the Ad-GFP group (3.250%±0.851%, 8.893%±1.982%), with no statistically significant difference between the control group and the Ad-GFP group (P > 0.05). Western blot analysis of Bax and Bcl-2 protein expression in LX-2 cells of each group revealed that the Bax protein expression was significantly higher in the Ad shRNA/SHP2 group (2.493 ± 0.203) (P < 0.05) compared to the control group and Ad-GFP group (1.989 ± 0.147, 1.999 ± 0.162), with no statistically significant difference between the control group and the Ad-GFP group (P > 0.05), while the Bcl-2 protein was significantly decreased in the Ad-shRNA/SHP2 group (1.042±0.148) compared with the control group and the Ad-GFP group (1.707±0.146, 1.521±0.142), with no statistically significant difference between the control group and the Ad-GFP group (P > 0.05). Conclusions: SHP2 expression down-regulation induces apoptosis of human hepatic stellate cells LX-2 in vitro by reducing Bcl-2/Bax.
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Affiliation(s)
- L S Hao
- Department of Gastroenterology, The Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - Z Y Zhan
- Department of Gastroenterology, The Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - J Song
- Department of Gastroenterology, The Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - X J Miao
- Department of Gastroenterology, The Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - Y He
- Department of Gastroenterology, The Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - M Y Jiang
- Department of Gastroenterology, The Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - J X Ji
- Department of Gastroenterology, The Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - Y B Mo
- Department of Gastroenterology, The Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
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Gao Q, Lu Y, Zhou W. Specific knockout of notch-1 attenuates non-alcoholic fatty liver disease by promoting SHP2 phosphorylation. Aging (Albany NY) 2023; 15:14323-14332. [PMID: 38095642 PMCID: PMC10756087 DOI: 10.18632/aging.205305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 11/03/2023] [Indexed: 12/21/2023]
Abstract
OBJECTIVE To investigate the effect of Notch-1 signaling on NAFLD and its molecular mechanism. METHODS The lipid deposition in liver tissues was detected by oil red O staining. Western blotting was performed to detect the expressions of SREBP1C, SREBP2, LXR, IL-1β, IL-18, NLRP3, Notch-1, NOX2, NOX4, p-PI3K and p-SHP2 in macrophages, and the expressions of ALIX, CD9, IL-1β and SREBP1C in exosomes. Macrophages in the Notch-1MAC-KO group and Notch-1WT group were treated with FFA, and those in the Notch-1WT+FFA group and Notch-1MAC-KO+FFA group were treated with SHP2 inhibitors PHPS1 and Relaxin. RESULTS It was observed by oil red O staining that lipid deposition in mice with NAFLD was reduced in the Notch-1MAC-KO group. The results of Western blotting showed that the expressions of ALIX, CD9, IL-1β and SREBP1C in macrophage exosomes were significantly lower in the Notch-1MAC-KO group than in the Notch-1WT group. In macrophages, the expressions of SREBP1C, SREBP2, LXR, IL-1β, IL-18, Notch-1, NOX2, NOX4 and p-PI3K significantly decreased, while the expression of p-SHP2 significantly increased in the Notch-1MAC-KO group compared with the Notch-1WT group. The Notch-1MAC-KO+FFA group had significantly decreased expressions of SREBP1C, NLRP3, IL-1β, IL-18, SREBP2, NOX2, NOX4 and p-PI3K and a significantly increased expression of p-SHP2 compared with the Notch-1WT+FFA group. However, the differences in the above proteins were all eliminated after PHPS1 and Relaxin were added. CONCLUSION Specific knockout of Notch-1 attenuates NAFLD, and reduces inflammation and lipid deposition in the liver by promoting SHP2 phosphorylation.
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Affiliation(s)
- Qian Gao
- Department of Endocrine and Metabolic Diseases, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Yonggang Lu
- Clinical Laboratory, Hebei General Hospital, Shijiazhuang 050000, China
| | - Weiling Zhou
- Department of Endocrine and Metabolic Diseases, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050000, China
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Luo Y, Li J, Zong Y, Sun M, Zheng W, Zhu J, Liu L, Liu B. Discovery of the SHP2 allosteric inhibitor 2-((3R,4R)-4-amino-3-methyl-2-oxa-8-azaspiro[4.5]decan-8-yl)-5-(2,3-dichlorophenyl)-3-methylpyrrolo[2,1-f][1,2,4] triazin-4(3H)-one. J Enzyme Inhib Med Chem 2023; 38:398-404. [PMID: 36476046 PMCID: PMC9744210 DOI: 10.1080/14756366.2022.2151594] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The non-receptor protein tyrosine phosphatase (PTP) SHP2 encoded by the PTPN11 gene is a critical regulator in a number of cellular signalling processes and pathways, including the MAPK and the immune-inhibitory programmed cell death PD-L1/PD-1 pathway. Hyperactivation and inactivation of SHP2 is of great therapeutic interest for its association with multiple developmental disorders and cancer-related diseases. In this work, we characterised a potent SHP2 allosteric inhibitor 2-((3 R,4R)-4-amino-3-methyl-2-oxa-8-azaspiro[4.5]decan-8-yl)-5-(2,3-dichlorophenyl)-3-methylpyrrolo[2,1-f][1,2,4]triazin-4(3H)-one (PB17-026-01) by using structure-based design. To study the structure-activity relationship, we compared co-crystal structures of SHP2 bound with PB17-026-01 and its analogue compound PB17-036-01, which is ∼20-fold less active than PB17-026-01, revealing that both of the compounds are bound to SHP2 in the allosteric binding pocket and PB17-026-01 forms more polar contacts with its terminal group. Overall, our results provide new insights into the modes of action of allosteric SHP2 inhibitor and a guide for the design of SHP2 allosteric inhibitor.
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Affiliation(s)
- Yanmei Luo
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jin Li
- Division of Medicinal Chemistry, PharmaBlock Sciences (Nanjing), Inc., Nanjing, China
| | - Yuliang Zong
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Mengxin Sun
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Wan Zheng
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jiapeng Zhu
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China,Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Liu Liu
- Division of Medicinal Chemistry, PharmaBlock Sciences (Nanjing), Inc., Nanjing, China,Liu Liu Division of Medicinal Chemistry, PharmaBlock Sciences (Nanjing), Inc., Nanjing, China
| | - Bing Liu
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China,Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China,CONTACT Bing Liu School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Popescu B, Stahlhut C, Tarver TC, Wishner S, Lee BJ, Peretz CAC, Luck C, Phojanakong P, Camara Serrano JA, Hongo H, Rivera JM, Xirenayi S, Chukinas JA, Steri V, Tasian SK, Stieglitz E, Smith CC. Allosteric SHP2 inhibition increases apoptotic dependency on BCL2 and synergizes with venetoclax in FLT3- and KIT-mutant AML. Cell Rep Med 2023; 4:101290. [PMID: 37992684 PMCID: PMC10694768 DOI: 10.1016/j.xcrm.2023.101290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 07/31/2023] [Accepted: 10/20/2023] [Indexed: 11/24/2023]
Abstract
Mutations in the receptor tyrosine kinases (RTKs) FLT3 and KIT are frequent and associated with poor outcomes in acute myeloid leukemia (AML). Although selective FLT3 inhibitors (FLT3i) are clinically effective, remissions are short-lived due to secondary resistance characterized by acquired mutations constitutively activating the RAS/MAPK pathway. Hereby, we report the pre-clinical efficacy of co-targeting SHP2, a critical node in MAPK signaling, and BCL2 in RTK-driven AML. The allosteric SHP2 inhibitor RMC-4550 suppresses proliferation of AML cell lines with FLT3 and KIT mutations, including cell lines with acquired resistance to FLT3i. We demonstrate that pharmacologic SHP2 inhibition unveils an Achilles' heel of RTK-driven AML, increasing apoptotic dependency on BCL2 via MAPK-dependent mechanisms, including upregulation of BMF and downregulation of MCL1. Consequently, RMC-4550 and venetoclax are synergistically lethal in AML cell lines and in clinically relevant xenograft models. Our results provide mechanistic rationale and pre-clinical evidence for co-targeting SHP2 and BCL2 in RTK-driven AML.
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Affiliation(s)
- Bogdan Popescu
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA; Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | | | - Theodore C Tarver
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Sydney Wishner
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Bianca J Lee
- Revolution Medicines, Inc., Redwood City, CA, USA
| | - Cheryl A C Peretz
- Department of Pediatrics, Benioff Children's Hospital, University of California, San Francisco, San Francisco, CA, USA; Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Cuyler Luck
- Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Paul Phojanakong
- Preclinical Therapeutics Core, Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA; Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Juan Antonio Camara Serrano
- Preclinical Therapeutics Core, Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA; Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Henry Hongo
- Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Jose M Rivera
- Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Simayijiang Xirenayi
- Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - John A Chukinas
- Division of Oncology, Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Veronica Steri
- Preclinical Therapeutics Core, Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA; Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Sarah K Tasian
- Division of Oncology, Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Elliot Stieglitz
- Department of Pediatrics, Benioff Children's Hospital, University of California, San Francisco, San Francisco, CA, USA; Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Catherine C Smith
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA; Helen Diller Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA.
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Tojjari A, Saeed A, Sadeghipour A, Kurzrock R, Cavalcante L. Overcoming Immune Checkpoint Therapy Resistance with SHP2 Inhibition in Cancer and Immune Cells: A Review of the Literature and Novel Combinatorial Approaches. Cancers (Basel) 2023; 15:5384. [PMID: 38001644 PMCID: PMC10670368 DOI: 10.3390/cancers15225384] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 10/13/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
SHP2 (Src Homology 2 Domain-Containing Phosphatase 2) is a protein tyrosine phosphatase widely expressed in various cell types. SHP2 plays a crucial role in different cellular processes, such as cell proliferation, differentiation, and survival. Aberrant activation of SHP2 has been implicated in multiple human cancers and is considered a promising therapeutic target for treating these malignancies. The PTPN11 gene and functions encode SHP2 as a critical signal transduction regulator that interacts with key signaling molecules in both the RAS/ERK and PD-1/PD-L1 pathways; SHP2 is also implicated in T-cell signaling. SHP2 may be inhibited by molecules that cause allosteric (bind to sites other than the active site and attenuate activation) or orthosteric (bind to the active site and stop activation) inhibition or via potent SHP2 degraders. These inhibitors have anti-proliferative effects in cancer cells and suppress tumor growth in preclinical models. In addition, several SHP2 inhibitors are currently in clinical trials for cancer treatment. This review aims to provide an overview of the current research on SHP2 inhibitors, including their mechanism of action, structure-activity relationships, and clinical development, focusing on immune modulation effects and novel therapeutic strategies in the immune-oncology field.
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Affiliation(s)
- Alireza Tojjari
- UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA 15232, USA
| | - Anwaar Saeed
- UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA 15232, USA
| | - Arezoo Sadeghipour
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modarres University, Tehran P.O. Box 14115-175, Iran
| | - Razelle Kurzrock
- Department of Medicine, Genome Sciences and Precision Medicine Center, Medical College of Wisconsin Cancer Center, Milwaukee, WI 53226, USA
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Serbina A, Bishop AC. Quantitation of autoinhibitory defects in pathogenic SHP2 mutants by differential scanning fluorimetry. Anal Biochem 2023; 680:115300. [PMID: 37659706 PMCID: PMC10530186 DOI: 10.1016/j.ab.2023.115300] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 07/26/2023] [Accepted: 08/25/2023] [Indexed: 09/04/2023]
Abstract
Src-homology-2-domain-containing protein tyrosine phosphatase-2 (SHP2) is a signaling enzyme whose activity is governed by an equilibrium between autoinhibited and activated states. Regulation of SHP2 activity is critical for cellular homeostasis, and mutations that alter its autoregulatory equilibrium cause cancers and developmental disorders. Several methods for assessing the strength of autoinhibitory interactions in SHP2 mutants have been previously reported, but each has limitations. We show that differential scanning fluorimetry provides a rapid, quantitative measure of SHP2 autoinhibition that is independent of the intrinsic activity of the SHP2 mutant being analyzed, does not involve protein labeling, and does not require specialized instrumentation.
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Affiliation(s)
- Anna Serbina
- Amherst College, Department of Chemistry, Amherst, MA, 01002, United States
| | - Anthony C Bishop
- Amherst College, Department of Chemistry, Amherst, MA, 01002, United States.
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Yoshida Y, Oikawa M, Shimada T, Shinomiya A, Watanabe Y. Neonatal malnutrition impacts fibroblast growth factor 21-induced neuron neurite outgrowth and growth hormone-releasing hormone secretion in neonatal mouse brain. Biochem Biophys Res Commun 2023; 676:121-131. [PMID: 37506473 DOI: 10.1016/j.bbrc.2023.07.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/12/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023]
Abstract
Neonatal malnutrition is one of the most common causes of neurological disorders. However, the mechanism of action of the factors associated with neonatal nutrition in the brain remains unclear. In this study, we focused on fibroblast growth factor (FGF) 21 to elucidate the effects of malnutrition on the neonatal brain. FGF21 is an endocrine factor produced by the liver during lactation which is the main source of nutrition during the neonatal period. In this study, malnourishment during nursing mice induced decreased levels of Fgf21 mRNA in the liver and decreased levels of FGF21 in the serum. RNA-seq analysis of neonatal mouse brain tissue revealed that FGF21 controlled the expression of Kalrn-201 in the neonatal mouse brain. Kalrn-201 is a transcript of Kalirin, a Ras homologous guanine nucleotide exchange factor at the synapse. In mouse neurons, FGF21 induced the expression of Kalirin-7 (a Kalirin isoform) by down-regulating Kalrn-201. FGF21-induced Kalirin-7 stimulated neurite outgrowth in Neuro-2a cells. FGF21 also induced Growth hormone-releasing hormone (GHRH) expression in Neuro-2a cells. Kalirin-7 and GHRH expression induced by FGF21 was altered by inhibiting the activity of SH2-containing tyrosine phosphatase (SHP2) which is located downstream of the FGF receptor (FGFR). Additionally, malnourished nursing induced intron retention of the SHP2 gene (Ptpn11), resulting in the alteration of Kalirin-7 and GHRH expression by FGF21 signaling. Ptpn11 intron retention is suggested to be involved in regulating SHP2 activity. Taken together, these results suggest that FGF21 plays a critical role in the induction of neuronal neurite outgrowth and GHRH secretion in the neonatal brain, and this mechanism is regulated by SHP2. Thus, Ptpn11 intron retention induced by malnourished nursing may be involved in SHP2 activity.
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Affiliation(s)
- Yuko Yoshida
- Faculty of Pharmacy, Musashino University, Tokyo, 202-8585, Japan; Research Institute of Pharmaceutical Sciences, Musashino University, Tokyo, 202-8585, Japan.
| | - Mana Oikawa
- Faculty of Pharmacy, Musashino University, Tokyo, 202-8585, Japan
| | - Taiga Shimada
- Faculty of Pharmacy, Musashino University, Tokyo, 202-8585, Japan
| | - Ai Shinomiya
- Faculty of Pharmacy, Musashino University, Tokyo, 202-8585, Japan
| | - Yoshifumi Watanabe
- Faculty of Pharmacy, Musashino University, Tokyo, 202-8585, Japan; Research Institute of Pharmaceutical Sciences, Musashino University, Tokyo, 202-8585, Japan
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Miao J, Bai Y, Miao Y, Qu Z, Dong J, Zhang RY, Aggarwal D, Jassim BA, Nguyen Q, Zhang ZY. Discovery of a SHP2 Degrader with In Vivo Anti-Tumor Activity. Molecules 2023; 28:6947. [PMID: 37836790 PMCID: PMC10574094 DOI: 10.3390/molecules28196947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023] Open
Abstract
Src homology 2 domain-containing phosphatase 2 (SHP2) is an attractive target for cancer therapy due to its multifaceted roles in both tumor and immune cells. Herein, we designed and synthesized a novel series of proteolysis targeting chimeras (PROTACs) using a SHP2 allosteric inhibitor as warhead, with the goal of achieving SHP2 degradation both inside the cell and in vivo. Among these molecules, compound P9 induces efficient degradation of SHP2 (DC50 = 35.2 ± 1.5 nM) in a concentration- and time-dependent manner. Mechanistic investigation illustrates that the P9-mediated SHP2 degradation requires the recruitment of the E3 ligase and is ubiquitination- and proteasome-dependent. P9 shows improved anti-tumor activity in a number of cancer cell lines over its parent allosteric inhibitor. Importantly, administration of P9 leads to a nearly complete tumor regression in a xenograft mouse model, as a result of robust SHP2 depletion and suppression of phospho-ERK1/2 in the tumor. Hence, P9 represents the first SHP2 PROTAC molecule with excellent in vivo efficacy. It is anticipated that P9 could serve not only as a new chemical tool to interrogate SHP2 biology but also as a starting point for the development of novel therapeutics targeting SHP2.
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Affiliation(s)
- Jinmin Miao
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Yunpeng Bai
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Yiming Miao
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Zihan Qu
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; (Z.Q.); (Q.N.)
| | - Jiajun Dong
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Ruo-Yu Zhang
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Devesh Aggarwal
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Brenson A. Jassim
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
| | - Quyen Nguyen
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; (Z.Q.); (Q.N.)
| | - Zhong-Yin Zhang
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN 47907, USA; (J.M.); (Y.B.); (Y.M.); (J.D.); (R.-Y.Z.); (D.A.); (B.A.J.)
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; (Z.Q.); (Q.N.)
- Institute for Cancer Research, Purdue University, West Lafayette, IN 47907, USA
- Institute for Drug Discovery, Purdue University, West Lafayette, IN 47907, USA
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Luo H, Yang Z, Li J, Jin H, Jiang M, Shan C. Deletion of PDK 1 Caused Cardiac Malmorphogenesis and Heart Defects Due to Profound Protein Phosphorylation Changes Mediated by SHP 2. J Cardiovasc Transl Res 2023; 16:1220-1231. [PMID: 36988860 DOI: 10.1007/s12265-023-10380-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 03/14/2023] [Indexed: 03/30/2023]
Abstract
Phosphoinositide-dependent protein kinase-1 (PDK1), a master kinase and involved in multiple signaling transduction, participates in regulating embryonic cardiac development and postnatal cardiac remodeling. Germline PDK1 knockout mice displayed no heart development; in this article, we deleted PDK1 in heart tissue with different cre to characterize the temporospatial features and find the relevance with congenital heart disease(CHD), furthermore to investigate the underlying mechanism. Knocking out PDK1 with Nkx2.5-cre, the heart showed prominent pulmonic stenosis. Ablated PDK1 with Mef2cSHF-cre, the second heart field (SHF) exhibited severe hypoplasia. And deleted PDK1 with αMHC-cre, the mice displayed dilated heart disease, protein analysis indicated PI3K and ERK were activated; meanwhile, PDK1-AKT-GSK3, and S6K-S6 were disrupted; phosphorylation level of Akt473, S6k421/424, and Gsk3α21 enhanced; however, Akt308, S6k389, and Gsk3β9 decreased. In mechanism investigation, we found SHP2 membrane localization and phosphorylation level of SHP2542 elevated, which suggested SHP2 likely mediated the disruption.
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Affiliation(s)
- Hongmei Luo
- Guangdong Medical University, Guangdong Dongguan, 523808, China.
- Model Animal Research Center, Nanjing University, Jiangsu Nanjing, 210028, China.
| | - Zhongzhou Yang
- Model Animal Research Center, Nanjing University, Jiangsu Nanjing, 210028, China
| | - Jie Li
- Model Animal Research Center, Nanjing University, Jiangsu Nanjing, 210028, China
| | - Hengwei Jin
- Model Animal Research Center, Nanjing University, Jiangsu Nanjing, 210028, China
| | - Mingyang Jiang
- Model Animal Research Center, Nanjing University, Jiangsu Nanjing, 210028, China
| | - Congjia Shan
- Model Animal Research Center, Nanjing University, Jiangsu Nanjing, 210028, China
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Sha M, Li H, Guo B, Geng X. Myeloid-specific knockout of SHP2 regulates PI3K/PLCγ signaling pathway to protect against early myocardial infarction injury. Aging (Albany NY) 2023; 15:9877-9889. [PMID: 37768203 PMCID: PMC10564428 DOI: 10.18632/aging.205096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023]
Abstract
OBJECTIVES To study the effects of myeloid-specific knockout of SHP2 on early myocardial infarction and explore its molecular mechanism. METHODS The model of myocardial infarction was established by using SHP2 in myeloid-specific knockout mice, and the effect of SHP2MAC-KO on myocardial function was detected by echocardiography. The effects of SHP2 on myocardial infarct size in myeloid-specific knockout mice was examined by TTC assay and Masson staining. Then, the detection of apoptosis was performed using TUNEL staining and inflammatory cell infiltration was observed using immunohistochemical staining. Moreover, macrophages in mouse hearts were selected by Flow Cytometry and treated with PI3K inhibitors respectively. Western blotting was then used to detect protein expression of p-SHP2 and PI3K/PLCγ signaling pathway. The phagocytic ability of cells was detected by endocytosis test, and the expression of inflammatory cytokines was detected by ELISA. RESULTS Specific knockout of SHP2 in mice with myocardial infarction can improve the cardiac function, decrease infarct size, and reduce apoptosis as well as inflammatory cell infiltration. It also can mediate the PI3K/PLCγ signaling pathway in macrophages, which in turn enhances the endocytosis of macrophages and reduces the expression of inflammatory cytokines in macrophages. CONCLUSIONS Myeloid-specific knockout of SHP2 regulates PI3K/PLCγ signaling pathway to protect against early myocardial infarction injury.
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Affiliation(s)
- Menglin Sha
- Department of Cardiology, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Hongxing Li
- Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Bingyan Guo
- Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Xiaoyong Geng
- Department of Cardiology, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
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Zhang M, Zhang J, Wang D, Liu Z, Xing K, Wang Y, Jiao M, Wang Y, Shi B, Zhang H, Zhang Y. C-X-C motif chemokine ligand 12 improves the developmental potential of bovine oocytes by activating SH2 domain-containing tyrosine phosphatase 2 during maturation†. Biol Reprod 2023; 109:282-298. [PMID: 37498179 DOI: 10.1093/biolre/ioad079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 03/21/2023] [Accepted: 07/25/2023] [Indexed: 07/28/2023] Open
Abstract
In vitro maturation of mammalian oocytes is an important means in assisted reproductive technology. Most bovine immature oocytes complete nuclear maturation, but less than half develop to the blastocyst stage after fertilization. Thus, inefficient in vitro production is mainly caused by a suboptimal in vitro culture process, in which oocyte quality appears to be the limiting factor. In our study, a potential maternal regulator, C-X-C motif chemokine ligand 12, was identified by analyzing transcriptome data. C-X-C motif chemokine ligand 12 supplementation promoted the developmental potential of oocytes by improving protein synthesis and reorganizing cortical granules and mitochondria during in vitro maturation, which eventually increased blastocyst formation efficiency and cell number after parthenogenesis, fertilization, and cloning. All these promoting effects by C-X-C motif chemokine ligand 12 were achieved by activating SH2 domain-containing tyrosine phosphatase 2, thereby promoting the mitogen-activated protein kinase signaling pathway. These findings provide an in vitro maturation system that closely resembles the maternal environment to provide high-quality oocytes for in vitro production.
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Affiliation(s)
- Min Zhang
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Jingcheng Zhang
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Debao Wang
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Zhengqing Liu
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Kangning Xing
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Yongsheng Wang
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Mei Jiao
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Yong Wang
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Binqiang Shi
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Hexu Zhang
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Yong Zhang
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
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Luo Q, Liu Y, Shi K, Shen X, Yang Y, Liang X, Lu L, Qiao W, Chen A, Hong D, Sun Y, Xu Q. An autonomous activation of interleukin-17 receptor signaling sustains inflammation and promotes disease progression. Immunity 2023; 56:2006-2020.e6. [PMID: 37473759 DOI: 10.1016/j.immuni.2023.06.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/05/2023] [Accepted: 06/15/2023] [Indexed: 07/22/2023]
Abstract
Anti-interleukin-17 (IL-17) therapy has been used in various autoimmune diseases. However, the efficacy is unexpectedly limited in several IL-17-associated diseases, and the mechanism of limited efficacy remains unclear. Here, we show that a molecular complex containing the adaptor molecule Act1 and tyrosine phosphatase SHP2 mediated autonomous IL-17R signaling that accelerated and sustained inflammation. SHP2, aberrantly augmented in various autoimmune diseases, was induced by IL-17A itself in astrocytes and keratinocytes, sustaining chemokine production even upon anti-IL-17 therapies. Mechanistically, SHP2 directly interacted with and dephosphorylated Act1, which replaced Act1-TRAF5 complexes and induced IL-17-independent activation of IL-17R signaling. Genetic or pharmacologic inactivation of SHP2, or blocking Act1-SHP2 interaction, paralyzed both IL-17-induced and IL-17-independent signaling and attenuated primary or relapsing experimental autoimmune encephalomyelitis. Therefore, Act1-SHP2 complexes mediate an alternative pathway for autonomous activation of IL-17R signaling, targeting which could be a therapeutic option for IL-17-related diseases in addition to current antibody therapies.
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Affiliation(s)
- Qiong Luo
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China.
| | - Yijun Liu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Ke Shi
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Xuecheng Shen
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Yaqi Yang
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Xuejiao Liang
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Liangliang Lu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Wenxuan Qiao
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Airu Chen
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Dongmei Hong
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Yang Sun
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China
| | - Qiang Xu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing Drum Tower Hospital, School of Life Sciences, Nanjing University, 163 Xianlin Avenue, Nanjing 210023, China.
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Olou AA, Ambrose J, Jack JL, Walsh M, Ruckert MT, Eades AE, Bye BA, Dandawate P, VanSaun MN. SHP2 regulates adipose maintenance and adipocyte-pancreatic cancer cell crosstalk via PDHA1. J Cell Commun Signal 2023; 17:575-590. [PMID: 36074246 PMCID: PMC10409927 DOI: 10.1007/s12079-022-00691-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 08/10/2022] [Indexed: 11/26/2022] Open
Abstract
Adipocytes are the most abundant cell type in the adipose tissue, and their dysfunction is a significant driver of obesity-related pathologies, such as cancer. The mechanisms that (1) drive the maintenance and secretory activity of adipocytes and (2) mediate the cancer cellular response to the adipocyte-derived factors are not fully understood. To address that gap of knowledge, we investigated how alterations in Src homology region 2-containing protein (SHP2) activity affect adipocyte function and tumor crosstalk. We found that phospho-SHP2 levels are elevated in adipose tissue of obese mice, obese patients, and differentiating adipocytes. Immunofluorescence and immunoprecipitation analyses as well as in-silico protein-protein interaction modeling demonstrated that SHP2 associates with PDHA1, and that a positive association promotes a reactive oxygen species (ROS)-driven adipogenic program. Accordingly, this SHP2-PDHA1-ROS regulatory axis was crucial for adipocyte maintenance and secretion of interleukin-6 (IL-6), a key cancer-promoting cytokine. Mature adipocytes treated with an inhibitor for SHP2, PDHA1, or ROS exhibited an increased level of pro-lipolytic and thermogenic proteins, corresponding to an increased glycerol release, but a suppression of secreted IL-6. A functional analysis of adipocyte-cancer cell crosstalk demonstrated a decreased migration, invasion, and a slight suppression of cell cycling, corresponding to a reduced growth of pancreatic cancer cells exposed to conditioned media (CM) from mature adipocytes previously treated with inhibitors for SHP2/PDHA1/ROS. Importantly, PDAC cell growth stimulation in response to adipocyte CM correlated with PDHA1 induction but was suppressed by a PDHA1 inhibitor. The data point to a novel role for (1) SHP2-PDHA1-ROS in adipocyte maintenance and secretory activity and (2) PDHA1 as a regulator of the pancreatic cancer cells response to adipocyte-derived factors.
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Affiliation(s)
- Appolinaire A Olou
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA.
| | - Joe Ambrose
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Jarrid L Jack
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - McKinnon Walsh
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Mariana T Ruckert
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Austin E Eades
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Bailey A Bye
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Prasad Dandawate
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Michael N VanSaun
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA.
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Otani R, Ikegami M, Yamada R, Yajima H, Kawamura S, Shimizu S, Tanaka S, Takayanagi S, Takami H, Yamaguchi T. PTPN11 variant may be a prognostic indicator of IDH-wildtype glioblastoma in a comprehensive genomic profiling cohort. J Neurooncol 2023; 164:221-229. [PMID: 37552362 DOI: 10.1007/s11060-023-04411-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 07/27/2023] [Indexed: 08/09/2023]
Abstract
PURPOSE Glioblastoma (GBM) is the most common type of primary malignant brain tumor and has a poor prognosis. Identifying novel targets and stratification strategies is urgently needed to improve patient survival. The present study aimed to identify clinically relevant genomic alterations in IDH-wildtype GBM using data from comprehensive genomic profiling (CGP) assays performed nationwide in Japan. METHODS The CGP assay results of 392 IDH-wildtype GBM cases performed between October 2019 and February 2023 obtained from the Center for Cancer Genomics and Advanced Therapeutics were retrospectively analyzed. RESULTS The median patient age was 52.5 years, and 207 patients (53%) were male. In the 286 patients for whom survival information was available, a protein-tyrosine phosphatase non-receptor type 11 (PTPN11) variant detected in 20 patients (6.8%) was extracted as the gene associated with significantly shorter overall survival (p = 0.002). Multivariate analysis demonstrated that the PTPN11 variant and poor performance status were independent prognostic indicators. In contrast, no prognostic impact was observed in the cohort in The Cancer Genome Atlas data. The discrepancy in the prognostic impact of the PTPN11 variant from these two pools might have resulted from differences in the biases affecting the survival of patients who underwent a CGP assay, including left-truncation and right-censored bias. However, survival simulation done to adjust for these biases showed that the prognostic impact of the PTPN11 variant was also significant. CONCLUSIONS The PTPN11 variant was a negative prognostic indicator of IDH-wildtype GBM in the patient cohort with the CGP assay.
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Affiliation(s)
- Ryohei Otani
- Department of Neurosurgery, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-0021, Japan.
| | - Masachika Ikegami
- Department of Musculoskeletal Oncology, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-0021, Japan
| | - Ryoji Yamada
- Department of Neurosurgery, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-0021, Japan
| | - Hirohisa Yajima
- Department of Neurosurgery, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-0021, Japan
| | - Shinji Kawamura
- Department of Neurosurgery, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-0021, Japan
| | - Sakura Shimizu
- Department of Neurosurgery, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-0021, Japan
| | - Shota Tanaka
- Department of Neurosurgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Shunsaku Takayanagi
- Department of Neurosurgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Hirokazu Takami
- Department of Neurosurgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Tatsuro Yamaguchi
- Department of Clinical Genetics, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-0021, Japan
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Li R, Zhou L, Yang C, Xu WD, Huang AF. Relationship between SHP2 gene polymorphisms and systemic lupus erythematosus risk. Int J Rheum Dis 2023; 26:1485-1494. [PMID: 37270672 DOI: 10.1111/1756-185x.14761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 05/11/2023] [Accepted: 05/21/2023] [Indexed: 06/05/2023]
Abstract
OBJECTIVE Systemic lupus erythematosus (SLE) is a complex autoimmune disorder. SHP2, a non-transmembrane member of the protein tyrosine phosphatase (PTP) family, can be involved in multiple signaling pathways in inflammatory response. To date, it remains to be investigated whether polymorphisms in the SHP2 gene are correlated with SLE in the Chinese Han population. METHOD A study comprising 320 SLE patients and 400 healthy individuals was performed. Three single nucleotide polymorphisms (rs4767860, rs7132778, rs7953150) of the SHP2 gene were genotyped using the Kompetitive Allele-Specific Polymerase Chain Reaction method. RESULTS Genotypes of rs4767860 (AA, AG + AA) and rs7132778 (AA, AC + AA), and alleles of rs4767860 (A) and rs7132778 (A) were associated with SLE risk. Genotype AA of rs7132778 and allele A of rs7132778 and rs7953150 were associated with oral ulcers in SLE patients. Allele C of rs7132778 and genotype AA and allele A of rs7953150 were associated with pyuria. Patients who carried AA genotype and allele A of rs7953150 are more likely to develop hypocomplementemia. AA and AG genotype frequencies are more raised in patients with SLE with alopecia than in those without alopecia. Patients who carried AA and AG genotypes of rs4767860 had elevated C-reactive protein levels. CONCLUSION Gene polymorphisms of SHP2 (rs4767860, rs7132778) are relevant to SLE susceptibility.
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Affiliation(s)
- Rong Li
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Ling Zhou
- Department of Preventive Medicine, School of Public Health, Southwest Medical University, Luzhou, Sichuan, China
| | - Chan Yang
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Wang-Dong Xu
- Department of Evidence-Based Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - An-Fang Huang
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
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Nardella C, Pagano L, Pennacchietti V, Felice MD, Matteo SD, Diop A, Malagrinò F, Marcocci L, Pietrangeli P, Gianni S, Toto A. An intramolecular energetic network regulates ligand recognition in a SH2 domain. Protein Sci 2023:e4729. [PMID: 37468946 PMCID: PMC10382797 DOI: 10.1002/pro.4729] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 06/26/2023] [Accepted: 07/12/2023] [Indexed: 07/21/2023]
Abstract
In an effort to investigate the molecular determinants of ligand recognition of the C-terminal SH2 domain of the SHP2 protein, we conducted extensive site-directed mutagenesis and kinetic binding experiments with a peptide mimicking a specific portion of a physiological ligand (the scaffold protein Gab2). Obtained data provided an in-depth characterization of the binding reaction, allowing us to pinpoint residues topologically far from the binding pocket of the SH2 domain to have a role in the recognition and binding of the peptide. The presence of a sparse energetic network regulating the interaction with Gab2 was identified and characterized through double mutant cycle analysis, performed by challenging all the designed site-directed variants of C-SH2 with a Gab2 peptide mutated at +3 position relative to its phosphorylated tyrosine, a key residue for C-SH2 binding specificity. Results highlighted non-optimized residues involved in the energetic network regulating the binding with Gab2, that may be at the basis of the ability of this SH2 domain to interact with different partners in the intracellular environment. Moreover, a detailed analysis of kinetic and thermodynamic parameters revealed the role of the residue at +3 position on Gab2 in the early and late events of the binding reaction with the C-SH2 domain. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Caterina Nardella
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
| | - Livia Pagano
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
| | - Valeria Pennacchietti
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
| | - Mariana Di Felice
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
| | - Sara Di Matteo
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
| | - Awa Diop
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
| | - Francesca Malagrinò
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
| | - Lucia Marcocci
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
| | - Paola Pietrangeli
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
| | - Stefano Gianni
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
| | - Angelo Toto
- Dipartimento di Scienze Biochimiche "A. Rossi Fanelli", Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy - Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti
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He C, Peng Z, Zhang D, Guo Y, Liang T, Zhao Y, Yu L, Zhang Q, Chang Z, Xiao Y, Li N, Xue H, Wu S, Zhao ZJ, Zhang C, Chen Y. Sunitinib selectively targets leukemogenic signaling of mutant SHP2 in juvenile myelomonocytic leukemia. Biochem Pharmacol 2023; 213:115588. [PMID: 37187274 DOI: 10.1016/j.bcp.2023.115588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 05/08/2023] [Accepted: 05/08/2023] [Indexed: 05/17/2023]
Abstract
Leukemogenic SHP2 mutations occur in 35% of patients with juvenile myelomonocytic leukemia (JMML), a hematopoietic malignancy with poor response to cytotoxic chemotherapy. Novel therapeutic strategies are urgently needed for patients with JMML. Previously, we established a novel cell model of JMML with HCD-57, a murine erythroleukemia cell line that depends on EPO for survival. SHP2-D61Y or -E76K drove the survival and proliferation of HCD-57 in absence of EPO. In this study, we identified sunitinib as a potent compound to inhibit SHP2-mutant cells by screening a kinase inhibitor library with our model. We used cell viability assay, colony formation assay, flow cytometry, immunoblotting, and a xenograft model to evaluate the effect of sunitinib against SHP2-mutant leukemia cells in vitro and in vivo. The treatment of sunitinib selectively induced apoptosis and cell cycle arrest in mutant SHP2-transformed HCD-57, but not parental cells. It also inhibited cell viability and colony formation of primary JMML cells with mutant SHP2, but not bone marrow mononuclear cells from healthy donors. Immunoblotting showed that the treatment of sunitinib blocked the aberrantly activated signals of mutant SHP2 with deceased phosphorylation levels of SHP2, ERK, and AKT. Furthermore, sunitinib effectively reduced tumor burdens of immune-deficient mice engrafted with mutant-SHP2 transformed HCD-57. Our data demonstrated that sunitinib selectively inhibited SHP2-mutant leukemia cells, which could serve as an effective therapeutic strategy for SHP2-mutant JMML in the future.
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Affiliation(s)
- Chunxiao He
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Zhiyong Peng
- Nanfang-Chunfu Children's Institute of Hematology, Taixin Hospital, Dongguan, Guangdong, China
| | - Dengyang Zhang
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Yao Guo
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Tianqi Liang
- Department of Pediatrics, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, China
| | - Yuming Zhao
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Liuting Yu
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Qi Zhang
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Zhiguang Chang
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Yan Xiao
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Na Li
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Hongman Xue
- Department of Pediatrics, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, China
| | - Shunjie Wu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Zhizhuang Joe Zhao
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States.
| | - Changhua Zhang
- Digestive Diseases Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, China.
| | - Yun Chen
- Edmond H. Fischer Translational Medical Research Laboratory, Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China.
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Li W, Wu Y, Dai L, Wang W, Zhao L. SHP2 Contributes to Resistance of KRAS p.G12C-Driven Lung Cancer Cells to MRTX849 by Regulating β-catenin/c-MYC Axis. Ann Clin Lab Sci 2023; 53:630-640. [PMID: 37625842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 08/27/2023]
Abstract
OBJECTIVE SHP2 has been promulgated to be involved in chemoresistance in a variety of cancers. However, its relationship with MRTX849-resistance in KRAS G12C mutant lung cancer has not been revealed. METHODS Lung cancer cell lines resistant to MRTX849 were first constructed by repeated dosing over 10 months, and the parental and drug-resistant strains were evaluated for SHP2 expression at different time points (2, 4, 6, 8, 10 months). We further analyzed whether SHP2 knockdown affects the sensitivity of MRTX849-resistant cells to MRTX849, and overexpression of SHP2 in the parental cell line to assess its effect on MRTX849 resistance, mainly by CCK-8, clonogenic assay, TUNEL staining and Western blotting to assess cell viability, proliferation, apoptosis, as well as β-catenin/c-MYC pathway protein expression. RESULTS SHP2 expression remained largely unchanged in the parental cell line, whereas they were gradually upregulated in a time-dependent manner in the resistant cell line. SHP2 knockdown enhanced the sensitivity of MRTX849-resistant cell lines to MRTX849 and encouraged the killing of lung cancer cells by MRTX849, as indicated by a more significant decrease in cell viability and proliferation after knockdown of SHP2 in the presence of MRTX849 compared with MRTX849 untreated, while apoptosis was more significantly enhanced. Additionally, SHP2 overexpression enhanced the resistance of MRTX849 to lung cancer cells. Eventually, we confirmed that the MRTX849-resistance effect of SHP2 on lung cancer cells was through the activation of the β-catenin/c-MYC pathway. CONCLUSION SHP2 contributes to resistance of KRAS G12C-driven lung cancer cells to MRTX849 by regulating β-catenin/c-MYC axis.
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Affiliation(s)
- Wenli Li
- Department of Respiratory Medicine, Fuyang Hospital Of Anhui Medical University, Fuyang City, Anhui Province, China
| | - Ya Wu
- Department of Respiratory Medicine, Fuyang Hospital Of Anhui Medical University, Fuyang City, Anhui Province, China
| | - Lili Dai
- Department of Endocrinology, Funan County People's Hospital, Fuyang City, Anhui Province, China
| | - Wei Wang
- Department of Respiratory Medicine, Funan County People's Hospital, Fuyang City, Anhui Province, China
| | - Lei Zhao
- Department of Respiratory Medicine, Fuyang Hospital Of Anhui Medical University, Fuyang City, Anhui Province, China
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Yang C, Li R, Su LC, Lan YY, Wang YQ, Xu WD, Huang AF. SHP2: its association and roles in systemic lupus erythematosus. Inflamm Res 2023:10.1007/s00011-023-01760-w. [PMID: 37351631 DOI: 10.1007/s00011-023-01760-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/04/2023] [Accepted: 06/17/2023] [Indexed: 06/24/2023] Open
Abstract
OBJECTIVE Systemic lupus erythematosus (SLE) is an autoimmune inflammatory disease. Src homology 2 domain containing protein tyrosine phosphatase (SHP2) is a member of the protein tyrosine phosphatases (PTPs) family. To date, relationship between SHP2 and SLE pathogenesis is not elucidated. METHOD We measured plasma levels of SHP2 in 328 SLE patients, 78 RA patients, 80 SS patients and 79 healthy controls by ELISA, and discussed association of SHP2 in SLE patients, potential of plasma SHP2 as a SLE biomarker. Moreover, histological and serological changes were evaluated by flow cytometry, HE/Masson examination, immunofluorescence test in pristane-induced lupus mice after SHP2 inhibitor injection to reveal role of SHP2 in lupus development. RESULTS Results indicated that SHP2 plasma levels were upregulated in SLE patients and correlated with some clinical, laboratory characteristics such as proteinuria, pyuria, and may be a potential biomarker for SLE. After SHP2 inhibitor treatment, hepatosplenomegaly and histological severity of the kidney in lupus mice were improved. SHP2 inhibitor reversed DCs, Th1, and Th17 cells differentiation and downregulated inflammatory cytokines (IL-4, IL-6, IL-10, IL-17A, IFN-γ and TNF-α) and autoantibodies (ANA, anti-dsDNA) production in pristane-lupus mice. CONCLUSION In summary, SHP2 correlated with SLE pathogenesis and promoted the development of lupus.
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Affiliation(s)
- Chan Yang
- Department of Evidence-Based Medicine, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China
| | - Rong Li
- Department of Evidence-Based Medicine, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China
| | - Lin-Chong Su
- Department of Rheumatology and Immunology, Minda Hospital of Hubei Minzu University, 2 Wufengshan Road, Enshi, 445000, Hubei, China
| | - You-Yu Lan
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, 25 Taiping Road, Luzhou, 646000, Sichuan, China
| | - You-Qiang Wang
- Department of Laboratory Medicine, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Wang-Dong Xu
- Department of Evidence-Based Medicine, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China.
| | - An-Fang Huang
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, 25 Taiping Road, Luzhou, 646000, Sichuan, China.
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Amante RJ, Jehanno C, De Silva D, Coissieux MM, Ackerknecht M, Romanet V, Sethi A, Hamelin B, Preca BT, Piscuoglio S, Ng CKY, Mohseni M, Bentires-Alj M. PI3K inhibition circumvents resistance to SHP2 blockade in metastatic triple-negative breast cancer. J Mammary Gland Biol Neoplasia 2023; 28:13. [PMID: 37294349 PMCID: PMC10256672 DOI: 10.1007/s10911-023-09539-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 05/17/2023] [Indexed: 06/10/2023] Open
Abstract
The protein tyrosine phosphatase SHP2 activates oncogenic pathways downstream of most receptor tyrosine kinases (RTK) and has been implicated in various cancer types, including the highly aggressive subtype of triple-negative breast cancer (TNBC). Although allosteric inhibitors of SHP2 have been developed and are currently being evaluated in clinical trials, neither the mechanisms of the resistance to these agents, nor the means to circumvent such resistance have been clearly defined. The PI3K signaling pathway is also hyperactivated in breast cancer and contributes to resistance to anticancer therapies. When PI3K is inhibited, resistance also develops for example via activation of RTKs. We therefore assessed the effect of targeting PI3K and SHP2 alone or in combination in preclinical models of metastatic TNBC. In addition to the beneficial inhibitory effects of SHP2 alone, dual PI3K/SHP2 treatment decreased primary tumor growth synergistically, blocked the formation of lung metastases, and increased survival in preclinical models. Mechanistically, transcriptome and phospho-proteome analyses revealed that resistance to SHP2 inhibition is mediated by PDGFRβ-evoked activation of PI3K signaling. Altogether, our data provide a rationale for co-targeting of SHP2 and PI3K in metastatic TNBC.
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Affiliation(s)
- Romain J Amante
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
- Department of Surgery, University Hospital Basel, Basel, Switzerland
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Charly Jehanno
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
- Department of Surgery, University Hospital Basel, Basel, Switzerland
| | - Duvini De Silva
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
- Department of Surgery, University Hospital Basel, Basel, Switzerland
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Marie-May Coissieux
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
- Department of Surgery, University Hospital Basel, Basel, Switzerland
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Markus Ackerknecht
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
- Department of Surgery, University Hospital Basel, Basel, Switzerland
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Vincent Romanet
- Novartis Institutes for Biomedical Research, Disease Area Oncology, Basel, Switzerland
| | - Atul Sethi
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
- Department of Surgery, University Hospital Basel, Basel, Switzerland
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Baptiste Hamelin
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Bogdan-Tiberius Preca
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Salvatore Piscuoglio
- Institute of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Charlotte K Y Ng
- Institute of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Morvarid Mohseni
- Novartis Institutes for Biomedical Research, Disease Area Oncology, Cambridge, USA
| | - Mohamed Bentires-Alj
- Department of Biomedicine, University of Basel, University Hospital Basel, Basel, Switzerland.
- Department of Surgery, University Hospital Basel, Basel, Switzerland.
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland.
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