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Moreno LM, Quiroga J, Abonia R, Crespo MDP, Aranaga C, Martínez-Martínez L, Sortino M, Barreto M, Burbano ME, Insuasty B. Synthesis of Novel Triazine-Based Chalcones and 8,9-dihydro-7 H-pyrimido[4,5- b][1,4]diazepines as Potential Leads in the Search of Anticancer, Antibacterial and Antifungal Agents. Int J Mol Sci 2024; 25:3623. [PMID: 38612435 PMCID: PMC11012124 DOI: 10.3390/ijms25073623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/10/2024] [Accepted: 01/14/2024] [Indexed: 04/14/2024] Open
Abstract
This study presents the synthesis of four series of novel hybrid chalcones (20,21)a-g and (23,24)a-g and six series of 1,3,5-triazine-based pyrimido[4,5-b][1,4]diazepines (28-33)a-g and the evaluation of their anticancer, antibacterial, antifungal, and cytotoxic properties. Chalcones 20b,d, 21a,b,d, 23a,d-g, 24a-g and the pyrimido[4,5-b][1,4]diazepines 29e,g, 30g, 31a,b,e-g, 33a,b,e-g exhibited outstanding anticancer activity against a panel of 60 cancer cell lines with GI50 values between 0.01 and 100 μM and LC50 values in the range of 4.09 μM to >100 μM, several of such derivatives showing higher activity than the standard drug 5-fluorouracil (5-FU). On the other hand, among the synthesized compounds, the best antibacterial properties against N. gonorrhoeae, S. aureus (ATCC 43300), and M. tuberculosis were exhibited by the pyrimido[4,5-b][1,4]diazepines (MICs: 0.25-62.5 µg/mL). The antifungal activity studies showed that triazinylamino-chalcone 29e and triazinyloxy-chalcone 31g were the most active compounds against T. rubrum and T. mentagrophytes and A. fumigatus, respectively (MICs = 62.5 μg/mL). Hemolytic activity studies and in silico toxicity analysis demonstrated that most of the compounds are safe.
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Affiliation(s)
- Leydi M. Moreno
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, Cali 760042, Colombia; (J.Q.); (R.A.)
| | - Jairo Quiroga
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, Cali 760042, Colombia; (J.Q.); (R.A.)
| | - Rodrigo Abonia
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, Cali 760042, Colombia; (J.Q.); (R.A.)
| | - María del P. Crespo
- Grupo de Biotecnología e Infecciones Bacterianas, Departamento de Microbiología, Universidad del Valle, Cali 760042, Colombia;
- Grupo de Microbiología y Enfermedades Infecciosas, Departamento de Microbiología, Universidad del Valle, Cali 760042, Colombia; (M.B.); (M.E.B.)
| | - Carlos Aranaga
- Grupo de Investigación en Química y Biotecnología (QUIBIO), Facultad de Ciencias Básicas, Universidad Santiago de Cali, Cali 760035, Colombia;
- Grupo de Investigación Traslacional en Enfermedades Infecciosas, Escuela de Biomedicina, Universidad de Córdoba, 14014 Córdoba, Spain
| | - Luis Martínez-Martínez
- Unidad de Microbiología Clínica, Hospital Universitario Reina Sofía, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Departamento de Química Agrícola, Edafología y Microbiología, Universidad de Córdoba, 14004 Córdoba, Spain;
| | - Maximiliano Sortino
- Área de Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario 2000, Argentina;
| | - Mauricio Barreto
- Grupo de Microbiología y Enfermedades Infecciosas, Departamento de Microbiología, Universidad del Valle, Cali 760042, Colombia; (M.B.); (M.E.B.)
| | - María E. Burbano
- Grupo de Microbiología y Enfermedades Infecciosas, Departamento de Microbiología, Universidad del Valle, Cali 760042, Colombia; (M.B.); (M.E.B.)
| | - Braulio Insuasty
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, Cali 760042, Colombia; (J.Q.); (R.A.)
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Zhang Q, Gao X, Duan X, Liang H, Gao M, Dong D, Guo C, Huang L. Design, synthesis and SAR of novel 7-azaindole derivatives as potential Erk5 kinase inhibitor with anticancer activity. Bioorg Med Chem 2023; 95:117503. [PMID: 37862935 DOI: 10.1016/j.bmc.2023.117503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/30/2023] [Accepted: 10/13/2023] [Indexed: 10/22/2023]
Abstract
The extracellular signal-regulated kinase 5 (Erk5) signaling plays a crucial role in cancer, and regulating its activity may have potential in cancer chemotherapy. In this study, a series of novel 7-azaindole derivatives (4a-5o) were designed and synthesized. Their antitumor activities on human lung cancer A549 cells was evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, 4',6-diamidino-2-phenylindole (DAPI) staining and colony formation assay. Among them, compounds 4a, 4 h, 5d and 5j exhibited good anti-proliferative activity with the IC50 values of 6.23 µg/mL, 8.52 µg/mL, 7.33 µg/mL and 4.56 µg/mL, respectively, equivalent to Erk5 positive control XMD8-92 (IC50 = 5.36 µg/mL). The results of structure-activity relationships (SAR) showed that double bond on the piperidine ring and N atoms at the N7 position of 7-azaindole was essential for their antiproliferative activity. Furthermore, compounds 4a and 5j exhibited good inhibition on Erk5 kinase through Western blot analysis and possible action site of compounds with Erk5 kinase was elucidated by molecular docking.
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Affiliation(s)
- Qin Zhang
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, 266042 Qingdao, Shandong, China
| | - Xintao Gao
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, 266042 Qingdao, Shandong, China
| | - Xiyu Duan
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, 266042 Qingdao, Shandong, China
| | - Han Liang
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, 266042 Qingdao, Shandong, China
| | - Mingyuan Gao
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, 266042 Qingdao, Shandong, China
| | - Dianquan Dong
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, 266042 Qingdao, Shandong, China
| | - Chuanlong Guo
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, 266042 Qingdao, Shandong, China.
| | - Longjiang Huang
- State Key Laboratory Base for Eco-Chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, 266042 Qingdao, Shandong, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica Chinese Academy of Medical Sciences and Peking Union Medical College, 100050 Beijing, China.
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Pan P, Geng T, Li Z, Ding X, Shi M, Li Y, Wang Y, Shi Y, Wu J, Zhong L, Ji D, Li Z, Meng X. Design, Synthesis, and Biological Evaluation of Proteolysis-Targeting Chimeras as Highly Selective and Efficient Degraders of Extracellular Signal-Regulated Kinase 5. J Med Chem 2023; 66:13568-13586. [PMID: 37751283 DOI: 10.1021/acs.jmedchem.3c00864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Extracellular signal-regulated kinase 5 (ERK5) is recognized as a key member of the mitogen-activated protein kinase family and is involved in tumor growth, migration, and angiogenesis. However, the results of ERK5 inhibition in multiple studies are controversial, and a highly specific ERK5-targeting agent is required to confirm physiological functions. Using proteolysis-targeting chimera technology, we designed the selective ERK5 degrader PPM-3 and examined its biological effect on cancer cells. Interestingly, the selective degradation of ERK5 with PPM-3 did not influence tumor cell growth directly. Based on proteomics analysis, the ERK5 deletion may be associated with tumor immunity. PPM-3 influences tumor development by affecting the differentiation of macrophages. Therefore, PPM-3 is an effective small-molecule tool for studying ERK5 and a promising immunotherapy drug candidate.
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Affiliation(s)
- Pengming Pan
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Tongtong Geng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Zhongtang Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xuyang Ding
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Mengyuan Shi
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Surgery III, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Yang Li
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yashuai Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Yuanyuan Shi
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Jiaojiao Wu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Liang Zhong
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Dengbo Ji
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Surgery III, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - Zhongjun Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xiangbao Meng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
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Sánchez-Fdez A, Matilla-Almazán S, Del Carmen S, Abad M, Arconada-Luque E, Jiménez-Suárez J, Chinchilla-Tábora LM, Ruíz-Hidalgo MJ, Sánchez-Prieto R, Pandiella A, Esparís-Ogando A. Etiopathogenic role of ERK5 signaling in sarcoma: prognostic and therapeutic implications. Exp Mol Med 2023; 55:1247-1257. [PMID: 37332046 PMCID: PMC10317974 DOI: 10.1038/s12276-023-01008-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 02/28/2023] [Accepted: 03/07/2023] [Indexed: 06/20/2023] Open
Abstract
Sarcomas constitute a heterogeneous group of rare and difficult-to-treat tumors that can affect people of all ages, representing one of the most common forms of cancer in childhood and adolescence. Little is known about the molecular entities involved in sarcomagenesis. Therefore, the identification of processes that lead to the development of the disease may uncover novel therapeutic opportunities. Here, we show that the MEK5/ERK5 signaling pathway plays a critical role in the pathogenesis of sarcomas. By developing a mouse model engineered to express a constitutively active form of MEK5, we demonstrate that the exclusive activation of the MEK5/ERK5 pathway can promote sarcomagenesis. Histopathological analyses identified these tumors as undifferentiated pleomorphic sarcomas. Bioinformatic studies revealed that sarcomas are the tumors in which ERK5 is most frequently amplified and overexpressed. Moreover, analysis of the impact of ERK5 protein expression on overall survival in patients diagnosed with different sarcoma types in our local hospital showed a 5-fold decrease in median survival in patients with elevated ERK5 expression compared with those with low expression. Pharmacological and genetic studies revealed that targeting the MEK5/ERK5 pathway drastically affects the proliferation of human sarcoma cells and tumor growth. Interestingly, sarcoma cells with knockout of ERK5 or MEK5 were unable to form tumors when engrafted into mice. Taken together, our results reveal a role of the MEK5/ERK5 pathway in sarcomagenesis and open a new scenario to be considered in the treatment of patients with sarcoma in which the ERK5 pathway is pathophysiologically involved.
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Affiliation(s)
- Adrián Sánchez-Fdez
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC)-CSIC, Salamanca, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), CSIC-Universidad de Salamanca, Salamanca, Spain
- Moores Cancer Center, University of California San Diego, La Jolla, CA, USA
| | - Sofía Matilla-Almazán
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC)-CSIC, Salamanca, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), CSIC-Universidad de Salamanca, Salamanca, Spain
| | - Sofía Del Carmen
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Departmento de Patología, Hospital Universitario de Salamanca, Universidad de Salamanca, Salamanca, Spain
| | - Mar Abad
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Departmento de Patología, Hospital Universitario de Salamanca, Universidad de Salamanca, Salamanca, Spain
| | - Elena Arconada-Luque
- Universidad de Castilla-La Mancha, Laboratorio de Oncología Molecular, Unidad de Medicina Molecular, Centro Regional de Investigaciones Biomédicas, Unidad Asociada de Biomedicina UCLM, Unidad asociada al CSIC, Albacete, Spain
| | - Jaime Jiménez-Suárez
- Universidad de Castilla-La Mancha, Laboratorio de Oncología Molecular, Unidad de Medicina Molecular, Centro Regional de Investigaciones Biomédicas, Unidad Asociada de Biomedicina UCLM, Unidad asociada al CSIC, Albacete, Spain
| | - Luis Miguel Chinchilla-Tábora
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Departmento de Patología, Hospital Universitario de Salamanca, Universidad de Salamanca, Salamanca, Spain
| | - Mª José Ruíz-Hidalgo
- Universidad de Castilla-La Mancha, Laboratorio de Oncología Molecular, Unidad de Medicina Molecular, Centro Regional de Investigaciones Biomédicas, Unidad Asociada de Biomedicina UCLM, Unidad asociada al CSIC, Albacete, Spain
- Universidad de Castilla-La Mancha, Departamento de Química Inorgánica, Orgánica y Bioquímica, Área de Bioquímica y Biología Molecular. Facultad de Medicina, Albacete, Spain
| | - Ricardo Sánchez-Prieto
- Universidad de Castilla-La Mancha, Laboratorio de Oncología Molecular, Unidad de Medicina Molecular, Centro Regional de Investigaciones Biomédicas, Unidad Asociada de Biomedicina UCLM, Unidad asociada al CSIC, Albacete, Spain
- Universidad de Castilla-La Mancha, Departamento de Ciencias Médicas, Facultad de Medicina, Albacete, Spain
- Departamento de Biología del Cáncer, Instituto de Investigaciones Biomédicas 'Alberto Sols' (CSIC-UAM), Unidad Asociada de Biomedicina UCLM, Unidad Asociada al CSIC, Madrid, Spain
- Instituto de Investigaciones Biomédicas 'Alberto Sols', Consejo Superior de Investigaciones Científicas (IIBM-CSIC)-Universidad de Castilla-La Mancha (UCLM), Albacete, Spain
| | - Atanasio Pandiella
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC)-CSIC, Salamanca, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), CSIC-Universidad de Salamanca, Salamanca, Spain
| | - Azucena Esparís-Ogando
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain.
- Instituto de Biología Molecular y Celular del Cáncer (IBMCC)-CSIC, Salamanca, Spain.
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), CSIC-Universidad de Salamanca, Salamanca, Spain.
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Qi C, Bujaroski RS, Baell J, Zheng X. Kinases in cerebral cavernous malformations: Pathogenesis and therapeutic targets. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2023; 1870:119488. [PMID: 37209718 DOI: 10.1016/j.bbamcr.2023.119488] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/03/2023] [Accepted: 05/11/2023] [Indexed: 05/22/2023]
Abstract
Cerebral cavernous malformations (CCMs) are low-flow, hemorrhagic vascular lesions of the central nervous system of genetic origin, which can cause stroke-like symptoms and seizures. From the identification of CCM1, CCM2 and CCM3 as genes related to disease progression, molecular and cellular mechanisms for CCM pathogenesis have been established and the search for potential drugs to target CCM has begun. Broadly speaking, kinases are the major group signaling in CCM pathogenesis. These include the MEKK3/MEK5/ERK5 cascade, Rho/Rock signaling, CCM3/GCKIII signaling, PI3K/mTOR signaling, and others. Since the discovery of Rho/Rock in CCM pathogenesis, inhibitors for Rho signaling and subsequently other components in CCM signaling were discovered and applied in preclinical and clinical trials to ameliorate CCM progression. This review discusses the general aspects of CCM disease, kinase-mediated signaling in CCM pathogenesis and the current state of potential treatment options for CCM. It is suggested that kinase target drug development in the context of CCM might facilitate and meet the unmet requirement - a non-surgical option for CCM disease.
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Affiliation(s)
- Chunxiao Qi
- Department of Pharmacology and Tianjin Key Laboratory of Inflammation Biology, School of Basic Medical Sciences, Tianjin Medical University, 300070, China
| | - Richard Sean Bujaroski
- Medicinal Chemistry Theme, Monash Institute of Pharmaceutical Sciences, Australian Translational Medicinal Chemistry Facility (ATMCF), Monash University, Parkville, Victoria, Australia
| | - Jonathan Baell
- School of Pharmaceutical Sciences, Nanjing Tech University, No. 30 South Puzhu Road, Nanjing 211816, China
| | - Xiangjian Zheng
- Department of Pharmacology and Tianjin Key Laboratory of Inflammation Biology, School of Basic Medical Sciences, Tianjin Medical University, 300070, China.
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Miller D, Harnor SJ, Martin MP, Noble RA, Wedge SR, Cano C. Modulation of ERK5 Activity as a Therapeutic Anti-Cancer Strategy. J Med Chem 2023; 66:4491-4502. [PMID: 37002872 PMCID: PMC10108346 DOI: 10.1021/acs.jmedchem.3c00072] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Indexed: 04/03/2023]
Abstract
The extracellular signal-regulated kinase 5 (ERK5) signaling pathway is one of four conventional mitogen-activated protein (MAP) kinase pathways. Genetic perturbation of ERK5 has suggested that modulation of ERK5 activity may have therapeutic potential in cancer chemotherapy. This Miniperspective examines the evidence for ERK5 as a drug target in cancer, the structure of ERK5, and the evolution of structurally distinct chemotypes of ERK5 kinase domain inhibitors. The emerging complexities of ERK5 pharmacology are discussed, including the confounding phenomenon of paradoxical ERK5 activation by small-molecule ERK5 inhibitors. The impact of the recent development and biological evaluation of potent and selective bifunctional degraders of ERK5 and future opportunities in ERK modulation are also explored.
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Affiliation(s)
- Duncan
C. Miller
- Cancer
Research Horizons Therapeutic Innovation, Newcastle Drug Discovery
Group, Newcastle University Centre for Cancer, School of Natural and
Environmental Sciences, Newcastle University, Bedson Building, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Suzannah J. Harnor
- Cancer
Research Horizons Therapeutic Innovation, Newcastle Drug Discovery
Group, Newcastle University Centre for Cancer, School of Natural and
Environmental Sciences, Newcastle University, Bedson Building, Newcastle upon Tyne NE1 7RU, United Kingdom
| | - Mathew P. Martin
- Cancer
Research Horizons Therapeutic Innovation, Newcastle Drug Discovery
Group, Translational and Clinical Research
Institute, Paul O’Gorman Building, Medical School, Framlington Place, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Richard A. Noble
- Cancer
Research Horizons Therapeutic Innovation, Newcastle Drug Discovery
Group, Translational and Clinical Research
Institute, Paul O’Gorman Building, Medical School, Framlington Place, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Stephen R. Wedge
- Cancer
Research Horizons Therapeutic Innovation, Newcastle Drug Discovery
Group, Translational and Clinical Research
Institute, Paul O’Gorman Building, Medical School, Framlington Place, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Celine Cano
- Cancer
Research Horizons Therapeutic Innovation, Newcastle Drug Discovery
Group, Newcastle University Centre for Cancer, School of Natural and
Environmental Sciences, Newcastle University, Bedson Building, Newcastle upon Tyne NE1 7RU, United Kingdom
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Wells CI, Drewry DH. Developing a Kinase Chemogenomic Set: Facilitating Investigation into Kinase Biology by Linking Phenotypes to Targets. Methods Mol Biol 2023; 2706:11-24. [PMID: 37558938 DOI: 10.1007/978-1-0716-3397-7_2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
Advances in increasingly complex phenotypic screening with lower throughput have necessitated the screening of smaller more highly annotated sets. One such collection of compounds which has been recently assembled is the kinase chemogenomic set. This is a set of curated kinase inhibitors built upon previous iterations, PKIS and PKIS2, and donations from our partners. Each compound in the set has been carefully selected based on selectivity, potency, and kinome coverage. These compounds as a set have been made available to the scientific community, enabling phenotypic screens to identify kinases that drive novel biology. Additionally, the associated data deposited in the public domain have also been used to inform new inhibitor design. Further expansion of this set to complete kinome coverage will allow for a greater understanding of kinase biology and its role in disease.
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Affiliation(s)
- Carrow I Wells
- Structural Genomics Consortium (SGC), UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill (UNC-CH), Chapel Hill, NC, USA.
- Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, UNC-CH, Chapel Hill, NC, USA.
| | - David H Drewry
- Structural Genomics Consortium (SGC), UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill (UNC-CH), Chapel Hill, NC, USA
- Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, UNC-CH, Chapel Hill, NC, USA
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Wydra VR, Ditzinger RB, Seidler NJ, Hacker FW, Laufer SA. A patent review of MAPK inhibitors (2018 - present). Expert Opin Ther Pat 2023; 33:421-444. [PMID: 37501497 DOI: 10.1080/13543776.2023.2242584] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 07/26/2023] [Indexed: 07/29/2023]
Abstract
INTRODUCTION The mitogen-activated protein kinase (MAPK) family consist of p38 MAP kinases, c-Jun N-terminal kinases (JNKs) and extracellular signal-regulated kinases (ERKs). They are involved in a multitude of diseases, including inflammatory, autoimmune, neurodegenerative, and metabolic diseases as well as cancer. In recent years, further developments in the field of MAPK-inhibitors have been reported, including an isoform or downstream target selective inhibition of MAPKs as well as target protein degradation approaches. AREAS COVERED This review summarizes newly patented MAPK-inhibitors that were claimed between 2018 and early 2023. Presented are the patents as well as their corresponding publications, the storyline of development, and clinical trials involving these compounds. This article elaborates a total of 27 patents, which were identified using established search engines. EXPERT OPINION Although industrial research on MAPK-inhibitors has been ongoing for more than 20 years, novel clinical trials of MAPK-inhibitors as potential drug candidates are still being conducted in the period under review. Recently reported inhibitors show an excellent selectivity profile and are even achieving selectivity between closely related isoforms. This progression offers the possibility to eliminate unwanted side effects and may finally lead to the approval of the first MAPK-inhibitor.
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Affiliation(s)
- Valentin R Wydra
- Department of Pharmaceutical and Medicinal Chemistry, Eberhard Karls Universit't Tübingen, Tübingen, Germany
| | - Raphael B Ditzinger
- Department of Pharmaceutical and Medicinal Chemistry, Eberhard Karls Universit't Tübingen, Tübingen, Germany
| | - Nico J Seidler
- Department of Pharmaceutical and Medicinal Chemistry, Eberhard Karls Universit't Tübingen, Tübingen, Germany
| | - Frederik W Hacker
- Department of Pharmaceutical and Medicinal Chemistry, Eberhard Karls Universit't Tübingen, Tübingen, Germany
| | - Stefan A Laufer
- Department of Pharmaceutical and Medicinal Chemistry, Eberhard Karls Universit't Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC2180) "Image-Guided & Functionally Instructed Tumor Therapies", Eberhard Karls Universität Tübingen, Tübingen, Germany
- Tübingen Center for Academic Drug Discovery & Development (Tücad2), Tübingen, Germany
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Pan X, Pei J, Wang A, Shuai W, Feng L, Bu F, Zhu Y, Zhang L, Wang G, Ouyang L. Development of small molecule extracellular signal-regulated kinases (ERKs) inhibitors for cancer therapy. Acta Pharm Sin B 2022; 12:2171-2192. [PMID: 35646548 PMCID: PMC9136582 DOI: 10.1016/j.apsb.2021.12.022] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 12/18/2021] [Accepted: 12/22/2021] [Indexed: 01/09/2023] Open
Abstract
The mitogen-activated protein kinase (MAPK)/extracellular signal-regulated kinase 1/2 (ERK1/2) signaling pathway is widely activated by a variety of extracellular stimuli, and its dysregulation is associated with the proliferation, invasion, and migration of cancer cells. ERK1/2 is located at the distal end of this pathway and rarely undergoes mutations, making it an attractive target for anticancer drug development. Currently, an increasing number of ERK1/2 inhibitors have been designed and synthesized for antitumor therapy, among which representative compounds have entered clinical trials. When ERK1/2 signal transduction is eliminated, ERK5 may provide a bypass route to rescue proliferation, and weaken the potency of ERK1/2 inhibitors. Therefore, drug research targeting ERK5 or based on the compensatory mechanism of ERK5 for ERK1/2 opens up a new way for oncotherapy. This review provides an overview of the physiological and biological functions of ERKs, focuses on the structure-activity relationships of small molecule inhibitors targeting ERKs, with a view to providing guidance for future drug design and optimization, and discusses the potential therapeutic strategies to overcome drug resistance.
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Affiliation(s)
- Xiaoli Pan
- State Key Laboratory of Biotherapy and Cancer Center, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and Collaborative Innovation Center of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Junping Pei
- State Key Laboratory of Biotherapy and Cancer Center, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and Collaborative Innovation Center of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Aoxue Wang
- State Key Laboratory of Biotherapy and Cancer Center, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and Collaborative Innovation Center of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Wen Shuai
- State Key Laboratory of Biotherapy and Cancer Center, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and Collaborative Innovation Center of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Lu Feng
- State Key Laboratory of Biotherapy and Cancer Center, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and Collaborative Innovation Center of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Faqian Bu
- State Key Laboratory of Biotherapy and Cancer Center, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and Collaborative Innovation Center of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Yumeng Zhu
- State Key Laboratory of Biotherapy and Cancer Center, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and Collaborative Innovation Center of Biotherapy, Sichuan University, Chengdu 610041, China
| | - Lan Zhang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
- Corresponding authors. Tel./fax: +86 28 85503817.
| | - Guan Wang
- State Key Laboratory of Biotherapy and Cancer Center, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and Collaborative Innovation Center of Biotherapy, Sichuan University, Chengdu 610041, China
- Corresponding authors. Tel./fax: +86 28 85503817.
| | - Liang Ouyang
- State Key Laboratory of Biotherapy and Cancer Center, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and Collaborative Innovation Center of Biotherapy, Sichuan University, Chengdu 610041, China
- Corresponding authors. Tel./fax: +86 28 85503817.
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10
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Structural basis for small molecule targeting of Doublecortin Like Kinase 1 with DCLK1-IN-1. Commun Biol 2021; 4:1105. [PMID: 34545159 PMCID: PMC8452690 DOI: 10.1038/s42003-021-02631-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 09/01/2021] [Indexed: 02/03/2023] Open
Abstract
Doublecortin-like kinase 1 (DCLK1) is an understudied bi-functional kinase with a proven role in tumour growth and development. However, the presence of tissue-specific spliced DCLK1 isoforms with distinct biological functions have challenged the development of effective strategies to understand the role of DCLK1 in oncogenesis. Recently, DCLK1-IN-1 was reported as a highly selective DCLK1 inhibitor, a powerful tool to dissect DCLK1 biological functions. Here, we report the crystal structures of DCLK1 kinase domain in complex with DCLK1-IN-1 and its precursors. Combined, our data rationalises the structure-activity relationship that informed the development of DCLK1-IN-1 and provides the basis for the high selectivity of DCLK1-IN-1, with DCLK1-IN-1 inducing a drastic conformational change of the ATP binding site. We demonstrate that DCLK1-IN-1 binds DCLK1 long isoforms but does not prevent DCLK1's Microtubule-Associated Protein (MAP) function. Together, our work provides an invaluable structural platform to further the design of isoform-specific DCLK1 modulators for therapeutic intervention.
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11
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Small molecule ERK5 kinase inhibitors paradoxically activate ERK5 signalling: be careful what you wish for…. Biochem Soc Trans 2021; 48:1859-1875. [PMID: 32915196 PMCID: PMC7609025 DOI: 10.1042/bst20190338] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/06/2020] [Accepted: 08/10/2020] [Indexed: 12/15/2022]
Abstract
ERK5 is a protein kinase that also contains a nuclear localisation signal and a transcriptional transactivation domain. Inhibition of ERK5 has therapeutic potential in cancer and inflammation and this has prompted the development of ERK5 kinase inhibitors (ERK5i). However, few ERK5i programmes have taken account of the ERK5 transactivation domain. We have recently shown that the binding of small molecule ERK5i to the ERK5 kinase domain stimulates nuclear localisation and paradoxical activation of its transactivation domain. Other kinase inhibitors paradoxically activate their intended kinase target, in some cases leading to severe physiological consequences highlighting the importance of mitigating these effects. Here, we review the assays used to monitor ERK5 activities (kinase and transcriptional) in cells, the challenges faced in development of small molecule inhibitors to the ERK5 pathway, and classify the molecular mechanisms of paradoxical activation of protein kinases by kinase inhibitors.
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12
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Tubita A, Tusa I, Rovida E. Playing the Whack-A-Mole Game: ERK5 Activation Emerges Among the Resistance Mechanisms to RAF-MEK1/2-ERK1/2- Targeted Therapy. Front Cell Dev Biol 2021; 9:647311. [PMID: 33777953 PMCID: PMC7991100 DOI: 10.3389/fcell.2021.647311] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 02/19/2021] [Indexed: 12/12/2022] Open
Abstract
Molecularly tailored therapies have opened a new era, chronic myeloid leukemia being the ideal example, in the treatment of cancer. However, available therapeutic options are still unsatisfactory in many types of cancer, and often fail due to the occurrence of resistance mechanisms. With regard to small-molecule compounds targeting the components of the Mitogen-Activated Protein Kinase (MAPK) cascade RAF-MEK1/2-ERK1/2, these drugs may result ineffective as a consequence of the activation of compensatory pro-survival/proliferative signals, including receptor tyrosine kinases, PI3K, as well as other components of the MAPK family such as TPL2/COT. The MAPK ERK5 has been identified as a key signaling molecule in the biology of several types of cancer. In this review, we report pieces of evidence regarding the activation of the MEK5-ERK5 pathway as a resistance mechanism to RAF-MEK1/2-ERK1/2 inhibitors. We also highlight the known and possible mechanisms underlying the cross-talks between the ERK1/2 and the ERK5 pathways, the characterization of which is of great importance to maximize, in the future, the impact of RAF-MEK1/2-ERK1/2 targeting. Finally, we emphasize the need of developing additional therapeutically relevant MEK5-ERK5 inhibitors to be used for combined treatments, thus preventing the onset of resistance to cancer therapies relying on RAF-MEK1/2-ERK1/2 inhibitors.
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Affiliation(s)
- Alessandro Tubita
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Ignazia Tusa
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Elisabetta Rovida
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
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13
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Carmell N, Rominiyi O, Myers KN, McGarrity-Cottrell C, Vanderlinden A, Lad N, Perroux-David E, El-Khamisy SF, Fernando M, Finegan KG, Brown S, Collis SJ. Identification and Validation of ERK5 as a DNA Damage Modulating Drug Target in Glioblastoma. Cancers (Basel) 2021; 13:cancers13050944. [PMID: 33668183 PMCID: PMC7956595 DOI: 10.3390/cancers13050944] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/18/2021] [Accepted: 02/22/2021] [Indexed: 12/22/2022] Open
Abstract
Simple Summary Glioblastomas are high-grade brain tumours and are the most common form of malignancy arising in the brain. Patient survival has improved little over the last 40 years, highlighting an urgent unmet need for more effective treatments for these tumours. Current standard-of-care treatment involves surgical removal of as much of the tumour as possible followed by a course of chemo-/radiotherapy. The main chemotherapeutic drug used is called temozolomide, however even with this treatment regimen, the average patient survival following diagnosis is around 15 months. We have identified a protein called ERK5 which is present at higher levels in these high-grade brain tumours compared to normal brain tissue, and which is also associated with resistance to temozolomide and poor patient survival. Additionally, we show that targeting ERK5 in brain tumour cells can improve the effectiveness of temozolomide in killing these tumour cells and offers potential much-needed future clinical benefit to patients diagnosed with glioblastoma. Abstract Brain tumours kill more children and adults under 40 than any other cancer, with approximately half of primary brain tumours being diagnosed as high-grade malignancies known as glioblastomas. Despite de-bulking surgery combined with chemo-/radiotherapy regimens, the mean survival for these patients is only around 15 months, with less than 10% surviving over 5 years. This dismal prognosis highlights the urgent need to develop novel agents to improve the treatment of these tumours. To address this need, we carried out a human kinome siRNA screen to identify potential drug targets that augment the effectiveness of temozolomide (TMZ)—the standard-of-care chemotherapeutic agent used to treat glioblastoma. From this we identified ERK5/MAPK7, which we subsequently validated using a range of siRNA and small molecule inhibitors within a panel of glioma cells. Mechanistically, we find that ERK5 promotes efficient repair of TMZ-induced DNA lesions to confer cell survival and clonogenic capacity. Finally, using several glioblastoma patient cohorts we provide target validation data for ERK5 as a novel drug target, revealing that heightened ERK5 expression at both the mRNA and protein level is associated with increased tumour grade and poorer patient survival. Collectively, these findings provide a foundation to develop clinically effective ERK5 targeting strategies in glioblastomas and establish much-needed enhancement of the therapeutic repertoire used to treat this currently incurable disease.
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Affiliation(s)
- Natasha Carmell
- Weston Park Cancer Centre, Department of Oncology & Metabolism, The University of Sheffield Medical School, Sheffield S10 2SJ, UK; (N.C.); (O.R.); (K.N.M.); (C.M.-C.); (A.V.); (N.L.); (E.P.-D.)
| | - Ola Rominiyi
- Weston Park Cancer Centre, Department of Oncology & Metabolism, The University of Sheffield Medical School, Sheffield S10 2SJ, UK; (N.C.); (O.R.); (K.N.M.); (C.M.-C.); (A.V.); (N.L.); (E.P.-D.)
- Department of Neurosurgery, Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield S10 2JF, UK
| | - Katie N. Myers
- Weston Park Cancer Centre, Department of Oncology & Metabolism, The University of Sheffield Medical School, Sheffield S10 2SJ, UK; (N.C.); (O.R.); (K.N.M.); (C.M.-C.); (A.V.); (N.L.); (E.P.-D.)
| | - Connor McGarrity-Cottrell
- Weston Park Cancer Centre, Department of Oncology & Metabolism, The University of Sheffield Medical School, Sheffield S10 2SJ, UK; (N.C.); (O.R.); (K.N.M.); (C.M.-C.); (A.V.); (N.L.); (E.P.-D.)
| | - Aurelie Vanderlinden
- Weston Park Cancer Centre, Department of Oncology & Metabolism, The University of Sheffield Medical School, Sheffield S10 2SJ, UK; (N.C.); (O.R.); (K.N.M.); (C.M.-C.); (A.V.); (N.L.); (E.P.-D.)
| | - Nikita Lad
- Weston Park Cancer Centre, Department of Oncology & Metabolism, The University of Sheffield Medical School, Sheffield S10 2SJ, UK; (N.C.); (O.R.); (K.N.M.); (C.M.-C.); (A.V.); (N.L.); (E.P.-D.)
| | - Eva Perroux-David
- Weston Park Cancer Centre, Department of Oncology & Metabolism, The University of Sheffield Medical School, Sheffield S10 2SJ, UK; (N.C.); (O.R.); (K.N.M.); (C.M.-C.); (A.V.); (N.L.); (E.P.-D.)
| | - Sherif F. El-Khamisy
- Sheffield Institute for Nucleic Acids (SInFoNiA) and the Healthy Lifespan Institute, University of Sheffield, Sheffield S10 2TN, UK;
- Institute of Cancer Therapeutics, University of Bradford, Bradford BD7 1DP, UK
| | - Malee Fernando
- Department of Histopathology, Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield S10 2TN, UK;
| | - Katherine G. Finegan
- Faculty of Biology Medicine and Health, University of Manchester, Manchester M13 9PL, UK;
| | - Stephen Brown
- Department of Biomedical Science, The Sheffield RNAi Screening Facility, The University of Sheffield, Sheffield S10 2TN, UK;
| | - Spencer J. Collis
- Weston Park Cancer Centre, Department of Oncology & Metabolism, The University of Sheffield Medical School, Sheffield S10 2SJ, UK; (N.C.); (O.R.); (K.N.M.); (C.M.-C.); (A.V.); (N.L.); (E.P.-D.)
- Sheffield Institute for Nucleic Acids (SInFoNiA) and the Healthy Lifespan Institute, University of Sheffield, Sheffield S10 2TN, UK;
- Correspondence: ; Tel.: +44-(0)114-215-9043
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14
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Groendyke BJ, Nabet B, Mohardt ML, Zhang H, Peng K, Koide E, Coffey CR, Che J, Scott DA, Bass AJ, Gray NS. Discovery of a Pyrimidothiazolodiazepinone as a Potent and Selective Focal Adhesion Kinase (FAK) Inhibitor. ACS Med Chem Lett 2021; 12:30-38. [PMID: 33488961 DOI: 10.1021/acsmedchemlett.0c00338] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 11/18/2020] [Indexed: 12/24/2022] Open
Abstract
Focal adhesion kinase (FAK) is a tyrosine kinase with prominent roles in protein scaffolding, migration, angiogenesis, and anchorage-independent cell survival and is an attractive target for the development of cancer therapeutics. However, current FAK inhibitors display dual kinase inhibition and/or significant activity on several kinases. Although multitargeted activity is at times therapeutically advantageous, such behavior can also lead to toxicity and confound chemical-biology studies. We report a novel series of small molecules based on a tricyclic pyrimidothiazolodiazepinone core that displays both high potency and selectivity for FAK. Structure-activity relationship (SAR) studies explored modifications to the thiazole, diazepinone, and aniline "tail," which identified lead compound BJG-03-025. BJG-03-025 displays potent biochemical FAK inhibition (IC50 = 20 nM), excellent kinome selectivity, activity in 3D-culture breast and gastric cancer models, and favorable pharmacokinetic properties in mice. BJG-03-025 is a valuable chemical probe for evaluation of FAK-dependent biology.
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Affiliation(s)
- Brian J. Groendyke
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Behnam Nabet
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Mikaela L. Mohardt
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, United States
| | - Haisheng Zhang
- Department of General Surgery, Nanfang Hospital, Southern Medical University, 510515 Guangzhou, China
- Division of Molecular and Cellular Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Ke Peng
- Division of Molecular and Cellular Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Eriko Koide
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, United States
| | - Calvin R. Coffey
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, United States
| | - Jianwei Che
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - David A. Scott
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Adam J. Bass
- Division of Molecular and Cellular Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02115, United States
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, United States
| | - Nathanael S. Gray
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
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15
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Li Z, Powell CE, Groendyke BJ, Gero TW, Feru F, Feutrill J, Chen B, Li B, Szabo H, Gray NS, Scott DA. Discovery of a series of benzopyrimidodiazepinone TNK2 inhibitors via scaffold morphing. Bioorg Med Chem Lett 2020; 30:127456. [PMID: 32739400 DOI: 10.1016/j.bmcl.2020.127456] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 11/30/2022]
Abstract
The protein kinase TNK2 (ACK1) is an emerging drug target for a variety of indications, in particular for cancer where it plays a key role transmitting cell survival, growth and proliferative signals via modification of multiple downstream effectors by unique tyrosine phosphorylation events. Scaffold morphing based on our previous TNK2 inhibitor XMD8-87 identified urea 17 from which we developed the potent and selective compound 32. A co-crystal structure was obtained showing 32 interacting primarily with the main chain atoms of an alanine residue of the hinge region. Additional H-bonds exist between the urea NHs and the Thr205 and Asp270 residues.
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Affiliation(s)
- Zhengnian Li
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - Chelsea E Powell
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - Brian J Groendyke
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - Thomas W Gero
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - Frederic Feru
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - John Feutrill
- SYNthesis med chem, 425 Changyang Street, Suzhou Industry Park, Suzhou, Jiangsu, China
| | - Bailing Chen
- SYNthesis med chem, 425 Changyang Street, Suzhou Industry Park, Suzhou, Jiangsu, China
| | - Bin Li
- SYNthesis med chem, 425 Changyang Street, Suzhou Industry Park, Suzhou, Jiangsu, China
| | - Hilary Szabo
- Vivid BioSciences, 50 Northern Ave, Boston, MA 02210, USA
| | - Nathanael S Gray
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA.
| | - David A Scott
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA.
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16
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Ferguson FM, Liu Y, Harshbarger W, Huang L, Wang J, Deng X, Capuzzi SJ, Muratov EN, Tropsha A, Muthuswamy S, Westover KD, Gray NS. Synthesis and Structure-Activity Relationships of DCLK1 Kinase Inhibitors Based on a 5,11-Dihydro-6 H-benzo[ e]pyrimido[5,4- b][1,4]diazepin-6-one Scaffold. J Med Chem 2020; 63:7817-7826. [PMID: 32530623 DOI: 10.1021/acs.jmedchem.0c00596] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Doublecortin-like kinase 1 (DCLK1) is a serine/threonine kinase that is overexpressed in gastrointestinal cancers, including esophageal, gastric, colorectal, and pancreatic cancers. DCLK1 is also used as a marker of tuft cells, which regulate type II immunity in the gut. However, the substrates and functions of DCLK1 are understudied. We recently described the first selective DCLK1/2 inhibitor, DCLK1-IN-1, developed to aid the functional characterization of this important kinase. Here we describe the synthesis and structure-activity relationships of 5,11-dihydro-6H-benzo[e]pyrimido[5,4-b][1,4]diazepin-6-one DCLK1 inhibitors, resulting in the identification of DCLK1-IN-1.
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Affiliation(s)
- Fleur M Ferguson
- Department of Cancer Biology, Dana-Farber Cancer Institute, Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Yan Liu
- Departments of Radiation Oncology and Biochemistry, The University of Texas Southwestern Medical Center at Dallas, Dallas, Texas 75390, United States
| | - Wayne Harshbarger
- Departments of Radiation Oncology and Biochemistry, The University of Texas Southwestern Medical Center at Dallas, Dallas, Texas 75390, United States
| | - Ling Huang
- Cancer Research Institute and Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Jinhua Wang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Xianming Deng
- Department of Cancer Biology, Dana-Farber Cancer Institute, Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Stephen J Capuzzi
- UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Eugene N Muratov
- UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Alexander Tropsha
- UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Senthil Muthuswamy
- Cancer Research Institute and Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States.,Departments of Medicine and Pathology, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Kenneth D Westover
- Departments of Radiation Oncology and Biochemistry, The University of Texas Southwestern Medical Center at Dallas, Dallas, Texas 75390, United States
| | - Nathanael S Gray
- Department of Cancer Biology, Dana-Farber Cancer Institute, Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02215, United States
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17
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Robust approach leading to novel densely functionalized four-cyclic benzo[e]pyrazolo[5′,1′:2,3]pyrimido[4,5-b][1,4]diazepines with antibacterial activity toward resistant strains. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2020. [DOI: 10.1007/s13738-020-01875-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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18
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Lochhead PA, Tucker JA, Tatum NJ, Wang J, Oxley D, Kidger AM, Johnson VP, Cassidy MA, Gray NS, Noble MEM, Cook SJ. Paradoxical activation of the protein kinase-transcription factor ERK5 by ERK5 kinase inhibitors. Nat Commun 2020; 11:1383. [PMID: 32170057 PMCID: PMC7069993 DOI: 10.1038/s41467-020-15031-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 02/11/2020] [Indexed: 12/20/2022] Open
Abstract
The dual protein kinase-transcription factor, ERK5, is an emerging drug target in cancer and inflammation, and small-molecule ERK5 kinase inhibitors have been developed. However, selective ERK5 kinase inhibitors fail to recapitulate ERK5 genetic ablation phenotypes, suggesting kinase-independent functions for ERK5. Here we show that ERK5 kinase inhibitors cause paradoxical activation of ERK5 transcriptional activity mediated through its unique C-terminal transcriptional activation domain (TAD). Using the ERK5 kinase inhibitor, Compound 26 (ERK5-IN-1), as a paradigm, we have developed kinase-active, drug-resistant mutants of ERK5. With these mutants, we show that induction of ERK5 transcriptional activity requires direct binding of the inhibitor to the kinase domain. This in turn promotes conformational changes in the kinase domain that result in nuclear translocation of ERK5 and stimulation of gene transcription. This shows that both the ERK5 kinase and TAD must be considered when assessing the role of ERK5 and the effectiveness of anti-ERK5 therapeutics.
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Affiliation(s)
- Pamela A Lochhead
- Signalling Laboratory, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK.
| | - Julie A Tucker
- York Biomedical Research Institute and Department of Biology, University of York, York, YO10 5DD, UK
| | - Natalie J Tatum
- CRUK Newcastle Drug Discovery Unit, Newcastle University Centre for Cancer, Newcastle University, Newcastle, NE2 4HH, UK
| | - Jinhua Wang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
| | - David Oxley
- Signalling Laboratory, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK
| | - Andrew M Kidger
- Signalling Laboratory, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK
| | - Victoria P Johnson
- Signalling Laboratory, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK
- Institute of Cancer Research, Chester Beatty Laboratories, 237 Fulham Road, London, SW3 6JB, UK
| | - Megan A Cassidy
- Signalling Laboratory, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK
| | - Nathanael S Gray
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
| | - Martin E M Noble
- CRUK Newcastle Drug Discovery Unit, Newcastle University Centre for Cancer, Newcastle University, Newcastle, NE2 4HH, UK
| | - Simon J Cook
- Signalling Laboratory, The Babraham Institute, Babraham Research Campus, Cambridge, CB22 3AT, UK.
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19
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Wang F, Li D, Zheng Z, Kin Wah To K, Chen Z, Zhong M, Su X, Chen L, Fu L. Reversal of ABCB1-related multidrug resistance by ERK5-IN-1. J Exp Clin Cancer Res 2020; 39:50. [PMID: 32164732 PMCID: PMC7066765 DOI: 10.1186/s13046-020-1537-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 01/31/2020] [Indexed: 11/11/2022] Open
Abstract
Background Inhibition of ABC transporters is considered the most effective way to circumvent multidrug resistance (MDR). In the present study, we evaluated the MDR modulatory potential of ERK5-IN-1, a potent extracelluar signal regulated kinase 5 (ERK5) inhibitor. Methods The cytotoxicity and MDR reversal effect of ERK5-IN-1 were assessed by MTT assay. The KBv200-inoculated nude mice xenograft model was used for the in vivo study. Doxorubicin efflux and accumulation were measured by flow cytometry. The modulation of ABCB1 activity was measured by colorimetric ATPase assay and [125I]-iodoarylazidoprazosin (IAAP) photolabeling assay. Effect of ERK5-IN-1 on expression of ABCB1 and its downstream markers was measured by PCR and/or Western blot. Cell surface expression and subcellular localization of ABCB1 were tested by flow cytometry and immunofluorescence. Results Our results showed that ERK5-IN-1 significantly increased the sensitivity of vincristine, paclitaxel and doxorubicin in KBv200, MCF7/adr and HEK293/ABCB1 cells, respectively. This effect was not found in respective drug sensitive parental cell lines. Moreover, in vivo combination studies showed that ERK5-IN-1 effectively enhanced the antitumor activity of paclitaxel in KBv200 xenografts without causing addition toxicity. Mechanistically, ERK5-IN-1 increased intracellular accumulation of doxorubicin dose dependently by directly inhibiting the efflux function of ABCB1. ERK5-IN-1 stimulated the ABCB1 ATPase activity and inhibited the incorporation of [125I]-iodoarylazidoprazosin (IAAP) into ABCB1 in a concentration-dependent manner. In addition, ERK5-IN-1 treatment neither altered the expression level of ABCB1 nor blocked the phosphorylation of downstream Akt or Erk1/2. No significant reversal effect was observed on ABCG2-, ABCC1-, MRP7- and LRP-mediated drug resistance. Conclusions Collectively, these results indicated that ERK5-IN-1 efficiently reversed ABCB1-mediated MDR by competitively inhibiting the ABCB1 drug efflux function. The use of ERK5-IN-1 to restore sensitivity to chemotherapy or to prevent resistance could be a potential treatment strategy for cancer patients.
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Affiliation(s)
- Fang Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Delan Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - ZongHeng Zheng
- Department of Gastrointestinal surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510000, Guangdong, People's Republic of China
| | - Kenneth Kin Wah To
- School of Pharmacy, the Chinese University of Hong Kong, Hong Kong, People's Republic of China
| | - Zhen Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Mengjun Zhong
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Xiaodong Su
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, People's Republic of China
| | - Likun Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, People's Republic of China.
| | - Liwu Fu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, People's Republic of China.
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20
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Targeted Avenues for Cancer Treatment: The MEK5-ERK5 Signaling Pathway. Trends Mol Med 2020; 26:394-407. [PMID: 32277933 DOI: 10.1016/j.molmed.2020.01.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 11/20/2019] [Accepted: 01/21/2020] [Indexed: 12/13/2022]
Abstract
Twenty years have passed since extracellular signal-regulated kinase 5 (ERK5) and its upstream activator, mitogen-activated protein kinase 5 (MEK5), first emerged onto the cancer research scene. Although we have come a long way in defining the liaison between dysregulated MEK5-ERK5 signaling and the pathogenesis of epithelial and nonepithelial malignancies, selective targeting of this unique pathway remains elusive. Here, we provide an updated review of the existing evidence for a correlation between aberrant MEK5-ERK5 (phospho)proteomic/transcriptomic profiles, aggressive cancer states, and poor patient outcomes. We then focus on emerging insights from preclinical models regarding the relevance of upregulated ERK5 activity in promoting tumor growth, metastasis, therapy resistance, undifferentiated traits, and immunosuppression, highlighting the opportunities, prospects, and challenges of selectively blocking this cascade for antineoplastic treatment and chemosensitization.
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21
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Zhang M, Shi R, Guo Z, He J. Cancer-associated fibroblasts promote cell growth by activating ERK5/PD-L1 signaling axis in colorectal cancer. Pathol Res Pract 2020; 216:152884. [PMID: 32199628 DOI: 10.1016/j.prp.2020.152884] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 01/22/2020] [Accepted: 02/12/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Colorectal cancer (CRC) is one of the most common diseases, accounting for about 10 % cancer-related deaths. Previous studies have found that caner-associated fibroblasts (CAFs) are closely related to the occurrence and metastasis of CRC, but the detailed mechanism is not precise. METHODS Tumor cells and fibroblasts were co-cultured with a transwell system. Cell Counting Kit-8 and colony formation assays were performed to test the ability of cell proliferation. The flow cytometry was used to detect cell apoptosis. Western Blot was performed to assess protein expression levels. Quantitative real-time PCR was performed to detect mRNA expression levels. ERK5-IN-1 was used to inhibit the autophosphorylation of ERK5. RESULTS CAFs promoted cell proliferation and inhibited cell apoptosis in CRC cells. CAFs promoted the phosphorylation of ERK5 and the expression of programmed death-ligand 1 (PD-L1). Activated ERK5 promotes cell proliferation and inhibited cell apoptosis in CRC cells. The expression levels of ERK5 correlated with the expression of PD-L1 in CRC cells. CAFs promote cell growth by activating the ERK5/PD-L1 signaling axis in colorectal cancer. CONCLUSIONS CAFs significantly promoted cell proliferation and inhibited cell apoptosis in CRC cells, which features are dependent on regulating the ERK5/PD-L1 signaling axis.
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Affiliation(s)
- Mengyan Zhang
- Department of Oncology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, PR China
| | - Ran Shi
- Department of Oncology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, PR China
| | - Zhongying Guo
- Department of Pathology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, PR China
| | - Jingdong He
- Department of Oncology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, PR China.
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22
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Beyond Kinase Activity: ERK5 Nucleo-Cytoplasmic Shuttling as a Novel Target for Anticancer Therapy. Int J Mol Sci 2020; 21:ijms21030938. [PMID: 32023850 PMCID: PMC7038028 DOI: 10.3390/ijms21030938] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 01/28/2020] [Accepted: 01/29/2020] [Indexed: 01/18/2023] Open
Abstract
The importance of mitogen-activated protein kinases (MAPK) in human pathology is underlined by the relevance of abnormalities of MAPK-related signaling pathways to a number of different diseases, including inflammatory disorders and cancer. One of the key events in MAPK signaling, especially with respect to pro-proliferative effects that are crucial for the onset and progression of cancer, is MAPK nuclear translocation and its role in the regulation of gene expression. The extracellular signal-regulated kinase 5 (ERK5) is the most recently discovered classical MAPK and it is emerging as a possible target for cancer treatment. The bigger size of ERK5 when compared to other MAPK enables multiple levels of regulation of its expression and activity. In particular, the phosphorylation of kinase domain and C-terminus, as well as post-translational modifications and chaperone binding, are involved in ERK5 regulation. Likewise, different mechanisms control ERK5 nucleo-cytoplasmic shuttling, underscoring the key role of ERK5 in the nuclear compartment. In this review, we will focus on the mechanisms involved in ERK5 trafficking between cytoplasm and nucleus, and discuss how these processes might be exploited to design new strategies for cancer treatment.
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23
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Groendyke BJ, Powell CE, Feru F, Gero TW, Li Z, Szabo H, Pang K, Feutrill J, Chen B, Li B, Gray NS, Scott DA. Benzopyrimidodiazepinone inhibitors of TNK2. Bioorg Med Chem Lett 2020; 30:126948. [PMID: 31928839 DOI: 10.1016/j.bmcl.2020.126948] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/20/2019] [Accepted: 01/01/2020] [Indexed: 11/30/2022]
Abstract
The SAR of a series of benzopyrimidodiazepinone inhibitors of TNK2 was developed, starting from the potent and selective compound XMD8-87. A diverse set of anilines was introduced in an effort to improve the in vivo PK profile and minimize the risk of quinone diimine formation.
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Affiliation(s)
- Brian J Groendyke
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - Chelsea E Powell
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - Frederic Feru
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - Thomas W Gero
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - Zhengnian Li
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - Hilary Szabo
- Vivid BioSciences, 50 Northern Ave, Boston, MA 02210, USA
| | - Kevin Pang
- Northeastern University, 360 Huntington Ave, Boston, MA 02115, USA
| | - John Feutrill
- SYNthesis Med Chem, 425 Changyang Street, Suzhou Industry Park, Suzhou, Jiangsu, China
| | - Bailing Chen
- SYNthesis Med Chem, 425 Changyang Street, Suzhou Industry Park, Suzhou, Jiangsu, China
| | - Bin Li
- SYNthesis Med Chem, 425 Changyang Street, Suzhou Industry Park, Suzhou, Jiangsu, China
| | - Nathanael S Gray
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
| | - David A Scott
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Department of Biological Chemistry & Molecular Pharmacology, Harvard Medical School, 360 Longwood Ave, Boston, MA 02115, USA
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24
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Zhang J, Bhuiyan MIH, Zhang T, Karimy JK, Wu Z, Fiesler VM, Zhang J, Huang H, Hasan MN, Skrzypiec AE, Mucha M, Duran D, Huang W, Pawlak R, Foley LM, Hitchens TK, Minnigh MB, Poloyac SM, Alper SL, Molyneaux BJ, Trevelyan AJ, Kahle KT, Sun D, Deng X. Modulation of brain cation-Cl - cotransport via the SPAK kinase inhibitor ZT-1a. Nat Commun 2020; 11:78. [PMID: 31911626 PMCID: PMC6946680 DOI: 10.1038/s41467-019-13851-6] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 11/27/2019] [Indexed: 02/08/2023] Open
Abstract
The SLC12A cation-Cl- cotransporters (CCC), including NKCC1 and the KCCs, are important determinants of brain ionic homeostasis. SPAK kinase (STK39) is the CCC master regulator, which stimulates NKCC1 ionic influx and inhibits KCC-mediated efflux via phosphorylation at conserved, shared motifs. Upregulation of SPAK-dependent CCC phosphorylation has been implicated in several neurological diseases. Using a scaffold-hybrid strategy, we develop a novel potent and selective SPAK inhibitor, 5-chloro-N-(5-chloro-4-((4-chlorophenyl)(cyano)methyl)-2-methylphenyl)-2-hydroxybenzamide ("ZT-1a"). ZT-1a inhibits NKCC1 and stimulates KCCs by decreasing their SPAK-dependent phosphorylation. Intracerebroventricular delivery of ZT-1a decreases inflammation-induced CCC phosphorylation in the choroid plexus and reduces cerebrospinal fluid (CSF) hypersecretion in a model of post-hemorrhagic hydrocephalus. Systemically administered ZT-1a reduces ischemia-induced CCC phosphorylation, attenuates cerebral edema, protects against brain damage, and improves outcomes in a model of stroke. These results suggest ZT-1a or related compounds may be effective CCC modulators with therapeutic potential for brain disorders associated with impaired ionic homeostasis.
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Affiliation(s)
- Jinwei Zhang
- Institute of Biomedical and Clinical Sciences, Medical School, College of Medicine and Health, University of Exeter, Hatherly Laboratories, Exeter, EX4 4PS, UK.
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Xiamen, Fujian, 361004, China.
| | - Mohammad Iqbal H Bhuiyan
- Department of Neurology and Pittsburgh Institute For Neurodegenerative Diseases, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Ting Zhang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
| | - Jason K Karimy
- Departments of Neurosurgery, Pediatrics, and Cellular & Molecular Physiology; Interdepartmental Neuroscience Program; and Centers for Mendelian Genomics, Yale School of Medicine, New Haven, CT, 06511, USA
| | - Zhijuan Wu
- Newcastle University Business School, Newcastle University, Newcastle upon Tyne, NE1 4SE, UK
| | - Victoria M Fiesler
- Department of Neurology and Pittsburgh Institute For Neurodegenerative Diseases, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Jingfang Zhang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
| | - Huachen Huang
- Department of Neurology and Pittsburgh Institute For Neurodegenerative Diseases, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Md Nabiul Hasan
- Department of Neurology and Pittsburgh Institute For Neurodegenerative Diseases, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Anna E Skrzypiec
- Institute of Biomedical and Clinical Sciences, Medical School, College of Medicine and Health, University of Exeter, Hatherly Laboratories, Exeter, EX4 4PS, UK
| | - Mariusz Mucha
- Institute of Biomedical and Clinical Sciences, Medical School, College of Medicine and Health, University of Exeter, Hatherly Laboratories, Exeter, EX4 4PS, UK
| | - Daniel Duran
- Departments of Neurosurgery, Pediatrics, and Cellular & Molecular Physiology; Interdepartmental Neuroscience Program; and Centers for Mendelian Genomics, Yale School of Medicine, New Haven, CT, 06511, USA
| | - Wei Huang
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
| | - Robert Pawlak
- Institute of Biomedical and Clinical Sciences, Medical School, College of Medicine and Health, University of Exeter, Hatherly Laboratories, Exeter, EX4 4PS, UK
| | - Lesley M Foley
- Animal Imaging Center, University of Pittsburgh, Pittsburgh, PA, 15203, USA
| | - T Kevin Hitchens
- Animal Imaging Center, University of Pittsburgh, Pittsburgh, PA, 15203, USA
- Department of Neurobiology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Margaret B Minnigh
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Samuel M Poloyac
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Seth L Alper
- Division of Nephrology, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA
| | - Bradley J Molyneaux
- Department of Neurology and Pittsburgh Institute For Neurodegenerative Diseases, University of Pittsburgh, Pittsburgh, PA, 15213, USA
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Andrew J Trevelyan
- Institute of Neuroscience, Medical School, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK
| | - Kristopher T Kahle
- Departments of Neurosurgery, Pediatrics, and Cellular & Molecular Physiology; Interdepartmental Neuroscience Program; and Centers for Mendelian Genomics, Yale School of Medicine, New Haven, CT, 06511, USA.
| | - Dandan Sun
- Department of Neurology and Pittsburgh Institute For Neurodegenerative Diseases, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- Veterans Affairs Pittsburgh Health Care System, Geriatric Research, Educational and Clinical Center, Pittsburgh, PA, 15213, USA.
| | - Xianming Deng
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China.
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25
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Impact of ERK5 on the Hallmarks of Cancer. Int J Mol Sci 2019; 20:ijms20061426. [PMID: 30901834 PMCID: PMC6471124 DOI: 10.3390/ijms20061426] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/15/2019] [Accepted: 03/18/2019] [Indexed: 12/15/2022] Open
Abstract
Extracellular signal-regulated kinase 5 (ERK5) belongs to the mitogen-activated protein kinase (MAPK) family that consists of highly conserved enzymes expressed in all eukaryotic cells and elicits several biological responses, including cell survival, proliferation, migration, and differentiation. In recent years, accumulating lines of evidence point to a relevant role of ERK5 in the onset and progression of several types of cancer. In particular, it has been reported that ERK5 is a key signaling molecule involved in almost all the biological features of cancer cells so that its targeting is emerging as a promising strategy to suppress tumor growth and spreading. Based on that, in this review, we pinpoint the hallmark-specific role of ERK5 in cancer in order to identify biological features that will potentially benefit from ERK5 targeting.
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26
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Hanson SM, Georghiou G, Thakur MK, Miller WT, Rest JS, Chodera JD, Seeliger MA. What Makes a Kinase Promiscuous for Inhibitors? Cell Chem Biol 2019; 26:390-399.e5. [PMID: 30612951 DOI: 10.1016/j.chembiol.2018.11.005] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 09/13/2018] [Accepted: 11/06/2018] [Indexed: 10/27/2022]
Abstract
ATP-competitive kinase inhibitors often bind several kinases due to the high conservation of the ATP binding pocket. Through clustering analysis of a large kinome profiling dataset, we found a cluster of eight promiscuous kinases that on average bind more than five times more kinase inhibitors than the other 398 kinases in the dataset. To understand the structural basis of promiscuous inhibitor binding, we determined the co-crystal structure of the receptor tyrosine kinase DDR1 with the type I inhibitors dasatinib and VX-680. Surprisingly, we find that DDR1 binds these type I inhibitors in an inactive conformation typically reserved for type II inhibitors. Our computational and biochemical studies show that DDR1 is unusually stable in this inactive conformation, giving a mechanistic explanation for inhibitor promiscuity. This phenotypic clustering analysis provides a strategy to obtain functional insights not available by sequence comparison alone.
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Affiliation(s)
- Sonya M Hanson
- Department of Pharmacological Sciences, Stony Brook University, Stony Brook, NY 11794-8651, USA; Computational and Systems Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065-1115, USA
| | - George Georghiou
- Department of Pharmacological Sciences, Stony Brook University, Stony Brook, NY 11794-8651, USA
| | - Manish K Thakur
- Department of Pharmacological Sciences, Stony Brook University, Stony Brook, NY 11794-8651, USA
| | - W Todd Miller
- Department of Physiology and Biophysics, Stony Brook University, Stony Brook, NY 11794-8651, USA
| | - Joshua S Rest
- Department of Ecology and Evolution, Stony Brook University, Stony Brook, NY 11794-5245, USA
| | - John D Chodera
- Computational and Systems Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065-1115, USA.
| | - Markus A Seeliger
- Department of Pharmacological Sciences, Stony Brook University, Stony Brook, NY 11794-8651, USA.
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27
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Wang J, Erazo T, Ferguson FM, Buckley DL, Gomez N, Muñoz-Guardiola P, Diéguez-Martínez N, Deng X, Hao M, Massefski W, Fedorov O, Offei-Addo NK, Park PM, Dai L, DiBona A, Becht K, Kim ND, McKeown MR, Roberts JM, Zhang J, Sim T, Alessi DR, Bradner JE, Lizcano JM, Blacklow SC, Qi J, Xu X, Gray NS. Structural and Atropisomeric Factors Governing the Selectivity of Pyrimido-benzodiazipinones as Inhibitors of Kinases and Bromodomains. ACS Chem Biol 2018; 13:2438-2448. [PMID: 30102854 PMCID: PMC6333101 DOI: 10.1021/acschembio.7b00638] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Bromodomains have been pursued intensively over the past several years as emerging targets for the development of anticancer and anti-inflammatory agents. It has recently been shown that some kinase inhibitors are able to potently inhibit the bromodomains of BRD4. The clinical activities of PLK inhibitor BI-2536 and JAK2-FLT3 inhibitor TG101348 have been attributed to this unexpected polypharmacology, indicating that dual-kinase/bromodomain activity may be advantageous in a therapeutic context. However, for target validation and biological investigation, a more selective target profile is desired. Here, we report that benzo[e]pyrimido-[5,4- b]diazepine-6(11H)-ones, versatile ATP-site directed kinase pharmacophores utilized in the development of inhibitors of multiple kinases, including several previously reported kinase chemical probes, are also capable of exhibiting potent BRD4-dependent pharmacology. Using a dual kinase-bromodomain inhibitor of the kinase domains of ERK5 and LRRK2, and the bromodomain of BRD4 as a case study, we define the structure-activity relationships required to achieve dual kinase/BRD4 activity, as well as how to direct selectivity toward inhibition of either ERK5 or BRD4. This effort resulted in identification of one of the first reported kinase-selective chemical probes for ERK5 (JWG-071), a BET selective inhibitor with 1 μM BRD4 IC50 (JWG-115), and additional inhibitors with rationally designed polypharmacology (JWG-047, JWG-069). Co-crystallography of seven representative inhibitors with the first bromodomain of BRD4 demonstrate that distinct atropisomeric conformers recognize the kinase ATP-site and the BRD4 acetyl lysine binding site, conformational preferences supported by rigid docking studies.
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Affiliation(s)
- Jinhua Wang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Tatiana Erazo
- Institut de Neurociències, Departament de Bioquímica i Biologia Molecular, Facultat de Medicina. Universitat Autònoma de Barcelona, E-08193 Barcelona, Spain
| | - Fleur M. Ferguson
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Dennis L. Buckley
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Nestor Gomez
- Institut de Neurociències, Departament de Bioquímica i Biologia Molecular, Facultat de Medicina. Universitat Autònoma de Barcelona, E-08193 Barcelona, Spain
| | - Pau Muñoz-Guardiola
- Institut de Neurociències, Departament de Bioquímica i Biologia Molecular, Facultat de Medicina. Universitat Autònoma de Barcelona, E-08193 Barcelona, Spain
| | - Nora Diéguez-Martínez
- Institut de Neurociències, Departament de Bioquímica i Biologia Molecular, Facultat de Medicina. Universitat Autònoma de Barcelona, E-08193 Barcelona, Spain
| | - Xianming Deng
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Mingfeng Hao
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Walter Massefski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Oleg Fedorov
- Structural Genomics Consortium and Target Discovery Institute, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, UK
| | | | - Paul M. Park
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Lingling Dai
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Amy DiBona
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Kelly Becht
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Nam Doo Kim
- NDBio Therapeutics Inc., 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, Republic of Korea
| | - Michael R. McKeown
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Justin M. Roberts
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Jinwei Zhang
- MRC Protein Phosphorylation and Ubiquitination Unit, College of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, Scotland, United Kingdom
| | - Taebo Sim
- Chemical Kinomics Research Center, Korea Institute of Science and Technology, Seoul, Korea and KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Korea
| | - Dario R. Alessi
- MRC Protein Phosphorylation and Ubiquitination Unit, College of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, Scotland, United Kingdom
| | - James E. Bradner
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
- Department of Medicine, Harvard Medical School, Boston, MA 02115
| | - Jose M. Lizcano
- Institut de Neurociències, Departament de Bioquímica i Biologia Molecular, Facultat de Medicina. Universitat Autònoma de Barcelona, E-08193 Barcelona, Spain
| | - Stephen C. Blacklow
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Jun Qi
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Department of Medicine, Harvard Medical School, Boston, MA 02115
| | - Xiang Xu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
- Corresponding Author,
| | - Nathanael S. Gray
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
- Corresponding Author,
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Dompe N, Klijn C, Watson SA, Leng K, Port J, Cuellar T, Watanabe C, Haley B, Neve R, Evangelista M, Stokoe D. A CRISPR screen identifies MAPK7 as a target for combination with MEK inhibition in KRAS mutant NSCLC. PLoS One 2018; 13:e0199264. [PMID: 29912950 PMCID: PMC6005515 DOI: 10.1371/journal.pone.0199264] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 06/04/2018] [Indexed: 11/22/2022] Open
Abstract
Mutant KRAS represents one of the most frequently observed oncogenes in NSCLC, yet no therapies are approved for tumors that express activated KRAS variants. While there is strong rationale for the use of MEK inhibitors to treat tumors with activated RAS/MAPK signaling, these have proven ineffective clinically. We therefore implemented a CRISPR screening approach to identify novel agents to sensitize KRAS mutant NSCLC cells to MEK inhibitor treatment. This approach identified multiple components of the canonical RAS/MAPK pathway consistent with previous studies. In addition, we identified MAPK7 as a novel, strong hit and validated this finding using multiple orthogonal approaches including knockdown and pharmacological inhibition. We show that MAPK7 inhibition attenuates the re-activation of MAPK signaling occurring following long-term MEK inhibition, thereby illustrating that MAPK7 mediates pathway reactivation in the face of MEK inhibition. Finally, genetic knockdown of MAPK7 combined with the MEK inhibitor cobimetinib in a mutant KRAS NSCLC xenograft model to mediate improved tumor growth inhibition. These data highlight that MAPK7 represents a promising target for combination treatment with MEK inhibition in KRAS mutant NSCLC.
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Affiliation(s)
- Nicholas Dompe
- Department of Discovery Oncology, Genentech Inc., South San Francisco, CA, United States of America
| | - Christiaan Klijn
- Department of Bioinformatics, Genentech Inc., South San Francisco, CA, United States of America
| | - Sara A. Watson
- Department of Discovery Oncology, Genentech Inc., South San Francisco, CA, United States of America
| | - Katherine Leng
- Department of Discovery Oncology, Genentech Inc., South San Francisco, CA, United States of America
| | - Jenna Port
- Department of Discovery Oncology, Genentech Inc., South San Francisco, CA, United States of America
| | - Trinna Cuellar
- Department of Molecular Biology, Genentech Inc., South San Francisco, CA, United States of America
| | - Colin Watanabe
- Department of Bioinformatics, Genentech Inc., South San Francisco, CA, United States of America
| | - Benjamin Haley
- Department of Molecular Biology, Genentech Inc., South San Francisco, CA, United States of America
| | - Richard Neve
- Department of Discovery Oncology, Genentech Inc., South San Francisco, CA, United States of America
| | - Marie Evangelista
- Department of Discovery Oncology, Genentech Inc., South San Francisco, CA, United States of America
| | - David Stokoe
- Department of Discovery Oncology, Genentech Inc., South San Francisco, CA, United States of America
- * E-mail:
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Abstract
Receptor tyrosine kinase signalling pathways have been successfully targeted to inhibit proliferation and angiogenesis for cancer therapy. However, kinase deregulation has been firmly demonstrated to play an essential role in virtually all major disease areas. Kinase inhibitor drug discovery programmes have recently broadened their focus to include an expanded range of kinase targets and therapeutic areas. In this Review, we provide an overview of the novel targets, biological processes and disease areas that kinase-targeting small molecules are being developed against, highlight the associated challenges and assess the strategies and technologies that are enabling efficient generation of highly optimized kinase inhibitors.
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30
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Pereira DM, Simões AES, Gomes SE, Castro RE, Carvalho T, Rodrigues CMP, Borralho PM. MEK5/ERK5 signaling inhibition increases colon cancer cell sensitivity to 5-fluorouracil through a p53-dependent mechanism. Oncotarget 2018; 7:34322-40. [PMID: 27144434 PMCID: PMC5085159 DOI: 10.18632/oncotarget.9107] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 03/31/2016] [Indexed: 12/22/2022] Open
Abstract
The MEK5/ERK5 signaling pathway is emerging as an important contributor to colon cancer onset, progression and metastasis; however, its relevance to chemotherapy resistance remains unknown. Here, we evaluated the impact of the MEK5/ERK5 cascade in colon cancer cell sensitivity to 5-fluorouracil (5-FU). Increased ERK5 expression was correlated with poor overall survival in colon cancer patients. In colon cancer cells, 5-FU exposure impaired endogenous KRAS/MEK5/ERK5 expression and/or activation. In turn, MEK5 constitutive activation reduced 5-FU-induced cytotoxicity. Using genetic and pharmacological approaches, we showed that ERK5 inhibition increased caspase-3/7 activity and apoptosis following 5-FU exposure. Mechanistically, this was further associated with increased p53 transcriptional activation of p21 and PUMA. In addition, ERK5 inhibition increased the response of HCT116 p53+/+ cells to 5-FU, but failed to sensitize HCT116 p53−/− cells to the cytotoxic effects of this chemotherapeutic agent, suggesting a p53-dependent axis mediating 5-FU sensitization. Finally, ERK5 inhibition using XMD8-92 was shown to increase the antitumor effects of 5-FU in a murine subcutaneous xenograft model, enhancing apoptosis while markedly reducing tumor growth. Collectively, our results suggest that ERK5-targeted in hibition provides a promising therapeutic approach to overcome resistance to 5-FU-based chemotherapy and improve colon cancer treatment.
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Affiliation(s)
- Diane M Pereira
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - André E S Simões
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Sofia E Gomes
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Rui E Castro
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Tânia Carvalho
- Histology and Comparative Pathology Laboratory, Instituto de Medicina Molecular, Lisbon, Portugal
| | - Cecília M P Rodrigues
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Pedro M Borralho
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
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31
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Characterization of a highly selective inhibitor of the Aurora kinases. Bioorg Med Chem Lett 2017; 27:4405-4408. [PMID: 28818446 DOI: 10.1016/j.bmcl.2017.08.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 08/08/2017] [Accepted: 08/09/2017] [Indexed: 11/23/2022]
Abstract
Aurora kinases play an essential role in mitosis and cell cycle regulation. In recent years Aurora kinases have proved popular cancer targets and many inhibitors have been developed. The majority of these clinical candidates are multi-targeted, rendering them inappropriate as tools for studying Aurora kinase mediated signaling. Here we report discovery of a highly selective inhibitor of Aurora kinases A, B and C, with potent cellular activity and minimal off-target activity (PLK4). The X-ray co-crystal structure of Aurora A in complex with compound 2 is reported, and provides insights into the structural determinants of ligand binding and selectivity.
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Cheng Z, Gao W, Fan X, Chen X, Mei H, Liu J, Luo X, Hu Y. Extracellular signal-regulated kinase 5 associates with casein kinase II to regulate GPIb-IX-mediated platelet activation via the PTEN/PI3K/Akt pathway. J Thromb Haemost 2017; 15:1679-1688. [PMID: 28603902 DOI: 10.1111/jth.13755] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Indexed: 12/19/2022]
Abstract
Essentials The mechanisms of extracellular signal-regulated kinase 5 (ERK5) in GPIb-IX signaling are unclear. Function of ERK5 in GPIb-IX was tested using aggregation, western blotting, and mass spectrometry. The protein interacting with ERK5 in human platelets was identified as casein kinase II (CKII). ERK5 associates with CKII to regulate the activation of the PI3K/Akt pathway in GPIb-IX signaling. SUMMARY Background The platelet glycoprotein (GP) Ib-IX complex plays essential roles in thrombosis and hemostasis. The mitogen-activated protein kinases (MAPKs) ERK1/2 and p38 have been shown to be important in the GPIb-IX-mediated signaling leading to integrin activation. However, the roles of the MAPK extracellular signal-regulated kinase 5 (ERK5) in GPIb-IX-mediated platelet activation are unknown. Objective To reveal the function and mechanisms of ERK5 in GPIb-IX-mediated platelet activation. Methods The functions of ERK5 in GPIb-IX-mediated human platelet activation were assessed using botrocetin/VWF, ristocetin/VWF, or platelet adhesion to von Willebrand factor (VWF) under shear stress in the presence of a specific inhibitor of ERK5. ERK5-associated proteins were pulled down from Chinese hamster ovary (CHO) cells transfected with HA-tagged-ERK5, identified by mass spectrometry, and confirmed in human platelets. Roles of ERK5-associated proteins in GPIb-IX-mediated platelet activation were clarified using specific inhibitors. Results The phosphorylation levels of ERK5 were significantly enhanced in human platelets stimulated with botrocetin/VWF or ristocetin/VWF. The ERK5 inhibitor XMD8-92 suppressed the second wave of human platelet aggregation induced by botrocetin/VWF or ristocetin/VWF and inhibited human platelet adhesion on immobilized VWF under shear stress. Casein kinase II (CKII) was identified as an ERK5-associated protein in human platelets. The CKII inhibitor TBB, similar to the ERK5 inhibitor XMD8-92, specifically restrained PTEN phosphorylation, therefore suppressing Akt phosphorylation in human platelets treated with botrocetin/VWF. Conclusion ERK5 associates with CKII to play essential roles in GPIb-IX-mediated platelet activation via the PTEN/PI3K/Akt pathway.
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Affiliation(s)
- Z Cheng
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - W Gao
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai, China
| | - X Fan
- Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - X Chen
- Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - H Mei
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Collaborative Innovation Center of Hematology, Huazhong University of Science and Technology, Wuhan, China
| | - J Liu
- Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - X Luo
- Department of Cardiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Y Hu
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Collaborative Innovation Center of Hematology, Huazhong University of Science and Technology, Wuhan, China
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Hatcher JM, Choi HG, Alessi DR, Gray NS. Small-Molecule Inhibitors of LRRK2. ADVANCES IN NEUROBIOLOGY 2017; 14:241-264. [PMID: 28353288 DOI: 10.1007/978-3-319-49969-7_13] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Mutations in the leucine-rich repeat kinase 2 (LRRK2) protein have been genetically and functionally linked to Parkinson's disease (PD). The kinase activity of LRRK2 is increased by pathogenic mutations; therefore, modulation of LRRK2 kinase activity by a selective small-molecule inhibitor has been proposed as a potentially viable treatment for Parkinson's disease. This chapter presents a historical overview of the development and bioactivity of several small-molecule LRRK2 inhibitors that have been used to inhibit LRRK2 kinase activity in vitro or in vivo. These compounds are important tools for understanding the cellular biology of LRRK2 and for evaluating the potential of LRRK2 inhibitors as disease-modifying PD therapies.
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Affiliation(s)
- John M Hatcher
- Department of Cancer Biology, Dana Farber Cancer Institute, 450 Brookline Ave, Boston, MA, 02215, USA
| | - Hwan Geun Choi
- New Drug Development Center, Daegu Gyeongbuk Medical Innovation Foundation, 80 Cheombok-ro, Dong-gu, Daegu, 41061, South Korea
| | - Dario R Alessi
- MRC Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Sir James Black Centre, Dow Street, Dundee, DD1 5EH, UK
| | - Nathanael S Gray
- Department of Cancer Biology, Dana Farber Cancer Institute, 450 Brookline Ave, Boston, MA, 02215, USA.
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Chen H, Tucker J, Wang X, Gavine PR, Phillips C, Augustin MA, Schreiner P, Steinbacher S, Preston M, Ogg D. Discovery of a novel allosteric inhibitor-binding site in ERK5: comparison with the canonical kinase hinge ATP-binding site. Acta Crystallogr D Struct Biol 2016; 72:682-93. [PMID: 27139631 PMCID: PMC4854315 DOI: 10.1107/s2059798316004502] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Accepted: 03/16/2016] [Indexed: 01/20/2023] Open
Abstract
MAP kinases act as an integration point for multiple biochemical signals and are involved in a wide variety of cellular processes such as proliferation, differentiation, regulation of transcription and development. As a member of the MAP kinase family, ERK5 (MAPK7) is involved in the downstream signalling pathways of various cell-surface receptors, including receptor tyrosine kinases and G protein-coupled receptors. In the current study, five structures of the ERK5 kinase domain co-crystallized with ERK5 inhibitors are reported. Interestingly, three of the compounds bind at a novel allosteric binding site in ERK5, while the other two bind at the typical ATP-binding site. Binding of inhibitors at the allosteric site is accompanied by displacement of the P-loop into the ATP-binding site and is shown to be ATP-competitive in an enzymatic assay of ERK5 kinase activity. Kinase selectivity data show that the most potent allosteric inhibitor exhibits superior kinase selectivity compared with the two inhibitors that bind at the canonical ATP-binding site. An analysis of these structures and comparison with both a previously published ERK5-inhibitor complex structure (PDB entry 4b99) and the structures of three other kinases (CDK2, ITK and MEK) in complex with allosteric inhibitors are presented.
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Affiliation(s)
- Hongming Chen
- Chemistry Innovation Centre, Discovery Sciences, AstraZeneca R&D Mölndal, 431 83 Mölndal, Sweden
| | - Julie Tucker
- Structure and Biophysics, Discovery Sciences, AstraZeneca R&D Alderley Park, Macclesfield SK10 4TG, England
| | - Xiaotao Wang
- Innovation Centre China, AstraZeneca Asia and Emerging Markets iMed, Shanghai 201203, People’s Republic of China
| | - Paul R. Gavine
- Innovation Centre China, AstraZeneca Asia and Emerging Markets iMed, Shanghai 201203, People’s Republic of China
| | - Chris Phillips
- Structure and Biophysics, Discovery Sciences, AstraZeneca R&D Alderley Park, Macclesfield SK10 4TG, England
| | - Martin A. Augustin
- Proteros biostructures GmbH, Bunsenstrasse 7a, 82152 Martinsried, Germany
| | - Patrick Schreiner
- Proteros biostructures GmbH, Bunsenstrasse 7a, 82152 Martinsried, Germany
| | - Stefan Steinbacher
- Proteros biostructures GmbH, Bunsenstrasse 7a, 82152 Martinsried, Germany
| | - Marian Preston
- Screening Sciences, Discovery Sciences, AstraZeneca R&D Alderley Park, Macclesfield SK10 4TG, England
| | - Derek Ogg
- Structure and Biophysics, Discovery Sciences, AstraZeneca R&D Alderley Park, Macclesfield SK10 4TG, England
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Lochhead PA, Clark J, Wang LZ, Gilmour L, Squires M, Gilley R, Foxton C, Newell DR, Wedge SR, Cook SJ. Tumor cells with KRAS or BRAF mutations or ERK5/MAPK7 amplification are not addicted to ERK5 activity for cell proliferation. Cell Cycle 2016; 15:506-18. [PMID: 26959608 PMCID: PMC5056618 DOI: 10.1080/15384101.2015.1120915] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Revised: 10/08/2015] [Accepted: 11/12/2015] [Indexed: 10/24/2022] Open
Abstract
ERK5, encoded by MAPK7, has been proposed to play a role in cell proliferation, thus attracting interest as a cancer therapeutic target. While oncogenic RAS or BRAF cause sustained activation of the MEK1/2-ERK1/2 pathway, ERK5 is directly activated by MEK5. It has been proposed that RAS and RAF proteins can also promote ERK5 activation. Here we investigated the interplay between RAS-RAF-MEK-ERK and ERK5 signaling and studied the role of ERK5 in tumor cell proliferation in 2 disease-relevant cell models. We demonstrate that although an inducible form of CRAF (CRAF:ER*) can activate ERK5 in fibroblasts, the response is delayed and reflects feed-forward signaling. Additionally, oncogenic KRAS and BRAF do not activate ERK5 in epithelial cells. Although KRAS and BRAF do not couple directly to MEK5-ERK5, ERK5 signaling might still be permissive for proliferation. However, neither the selective MEK5 inhibitor BIX02189 or ERK5 siRNA inhibited proliferation of colorectal cancer cells harbouring KRAS(G12C/G13D) or BRAF(V600E). Furthermore, there was no additive or synergistic effect observed when BIX02189 was combined with the MEK1/2 inhibitor Selumetinib (AZD6244), suggesting that ERK5 was neither required for proliferation nor a driver of innate resistance to MEK1/2 inhibitors. Finally, even cancer cells with MAPK7 amplification were resistant to BIX02189 and ERK5 siRNA, showing that ERK5 amplification does not confer addiction to ERK5 for cell proliferation. Thus ERK5 signaling is unlikely to play a role in tumor cell proliferation downstream of KRAS or BRAF or in tumor cells with ERK5 amplification. These results have important implications for the role of ERK5 as an anti-cancer drug target.
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Affiliation(s)
| | - Jonathan Clark
- Biological Chemistry Facility; The Babraham Institute; Cambridge, UK
| | - Lan-Zhen Wang
- The Northern Institute for Cancer Research; University of Newcastle upon Tyne, Newcastle, UK
| | - Lesley Gilmour
- Cancer Research Technology; The Beatson Institute for Cancer Research; Garscube Estate; Glasgow, UK
- Current address: Translational Radiation Biology; The Beatson Institute for Cancer Research; Garscube Estate; Glasgow, UK
| | - Matthew Squires
- Signalling Laboratory; The Babraham Institute; Cambridge, UK
- Current address: Novartis; Basel, Switzerland
| | - Rebecca Gilley
- Signalling Laboratory; The Babraham Institute; Cambridge, UK
| | - Caroline Foxton
- Cancer Research Technology; CRT Discovery Laboratories; London Bioscience Innovation Centre; London, UK
- Current address: Centre for Drug Development; Cancer Research UK; London, UK
| | - David R. Newell
- The Northern Institute for Cancer Research; University of Newcastle upon Tyne, Newcastle, UK
| | - Stephen R. Wedge
- The Northern Institute for Cancer Research; University of Newcastle upon Tyne, Newcastle, UK
| | - Simon J. Cook
- Signalling Laboratory; The Babraham Institute; Cambridge, UK
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Wilhelmsen K, Xu F, Farrar K, Tran A, Khakpour S, Sundar S, Prakash A, Wang J, Gray NS, Hellman J. Extracellular signal-regulated kinase 5 promotes acute cellular and systemic inflammation. Sci Signal 2015; 8:ra86. [PMID: 26307013 DOI: 10.1126/scisignal.aaa3206] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Inflammatory critical illness is a syndrome that is characterized by acute inflammation and organ injury, and it is triggered by infections and noninfectious tissue injury, both of which activate innate immune receptors and pathways. Although reports suggest an anti-inflammatory role for the mitogen-activated protein kinase (MAPK) extracellular signal-regulated kinase 5 (ERK5), we previously found that ERK5 mediates proinflammatory responses in primary human cells in response to stimulation of Toll-like receptor 2 (TLR2). We inhibited the kinase activities and reduced the abundances of ERK5 and MEK5, a MAPK kinase directly upstream of ERK5, in primary human vascular endothelial cells and monocytes, and found that ERK5 promoted inflammation induced by a broad range of microbial TLR agonists and by the proinflammatory cytokines interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α). Furthermore, we found that inhibitors of MEK5 or ERK5 reduced the plasma concentrations of proinflammatory cytokines in mice challenged with TLR ligands or heat-killed Staphylococcus aureus, as well as in mice that underwent sterile lung ischemia-reperfusion injury. Finally, we found that inhibition of ERK5 protected endotoxemic mice from death. Together, our studies support a proinflammatory role for ERK5 in primary human endothelial cells and monocytes, and suggest that ERK5 is a potential therapeutic target in diverse disorders that cause inflammatory critical illness.
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Affiliation(s)
- Kevin Wilhelmsen
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, San Francisco, CA 94143, USA.
| | - Fengyun Xu
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Katherine Farrar
- Graduate Program in Biomedical Sciences, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Alphonso Tran
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Samira Khakpour
- Graduate Program in Biomedical Sciences, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Shirin Sundar
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Arun Prakash
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Jinhua Wang
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Nathanael S Gray
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Judith Hellman
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, San Francisco, CA 94143, USA. Division of Critical Care Medicine and Biomedical Sciences Program, University of California, San Francisco, San Francisco, CA 94143, USA
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Ramírez J, Svetaz L, Quiroga J, Abonia R, Raimondi M, Zacchino S, Insuasty B. Synthesis of novel thiazole-based 8,9-dihydro-7H-pyrimido[4,5-b][1,4]diazepines as potential antitumor and antifungal agents. Eur J Med Chem 2015; 92:866-75. [PMID: 25638570 DOI: 10.1016/j.ejmech.2015.01.053] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 01/22/2015] [Accepted: 01/24/2015] [Indexed: 12/24/2022]
Abstract
A new series of novel thiazole-based 8,9-dihydro-7H-pyrimido[4,5-b][1,4]diazepines 6a-g and 7a-g were obtained with high regioselectivity from the reaction of triamino- or tetraaminopyrimidines 4 and 5 with α,β-unsaturated carbonyl compounds 3a-g based on 2,4-dichlorothiazol-5-carbaldehyde 1. Twelve of the synthesized compounds were selected and tested by US National Cancer Institute (NCI) for their antitumor activity against 60 different human tumor cell lines. Compounds 7d and 7g showed important GI50 ranges of 1.28-2.98 μM and 0.35-2.78 μM respectively under in vitro assays. In addition, 6a-g and 7a-g were tested for antifungal properties against the clinical important fungi Candida albicans and Cryptococcus neoformans. Although these compounds showed moderate activities against C. albicans, the 2-amino derivatives 7a-g and mainly 7a and 7b, showed high activity against standardized and clinical isolates of C. neoformans with MIC50 = 7.8-31.2 μg/mL, MIC80 = 15.6-31.2 μg/mL and MIC100 = 15.6-62.5 μg/mL. In addition, since both compounds were fungicide rather than fungistatic these thiazole-based 8,9-dihydro-7H-pyrimido[4,5-b][1,4]diazepines appear as good candidates for further development not only as antifungal but also as antitumor drugs.
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Affiliation(s)
- Juan Ramírez
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, AA 25360 Cali, Colombia
| | - Laura Svetaz
- Área Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, 2000 Rosario, Argentina
| | - Jairo Quiroga
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, AA 25360 Cali, Colombia
| | - Rodrigo Abonia
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, AA 25360 Cali, Colombia
| | - Marcela Raimondi
- Área Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, 2000 Rosario, Argentina
| | - Susana Zacchino
- Área Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, 2000 Rosario, Argentina
| | - Braulio Insuasty
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, AA 25360 Cali, Colombia.
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Ramírez J, Insuasty B, Cobo J, Glidewell C. (8RS)-4-Amino-6-(4-chlorophenyl)-8-(2,4-dichlorothiazol-5-yl)-8,9-dihydro-7H-pyrimido[4,5-b][1,4]diazepine N,N-dimethylformamide monosolvate: sheets built from N-H···N and C-H···O hydrogen bonds. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2014; 70:536-40. [PMID: 24898953 DOI: 10.1107/s2053229614008936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Accepted: 04/19/2014] [Indexed: 05/28/2023]
Abstract
In the title compound, C16H11Cl3N6S·C3H7NO, the seven-membered ring adopts a conformation which is close to the twist-boat form. The molecular components are linked into sheets by a combination of two N-H···N hydrogen bonds and two C-H···O hydrogen bonds. Comparisons are made with other aminopyrimidine derivatives.
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Affiliation(s)
- Juan Ramírez
- Departamento de Química, Universidad de Valle, AA 25360 Cali, Colombia
| | - Braulio Insuasty
- Departamento de Química, Universidad de Valle, AA 25360 Cali, Colombia
| | - Justo Cobo
- Departamento de Química Inorgánica y Orgánica, Universidad de Jaén, 23071 Jaén, Spain
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Development of LRRK2 Kinase Inhibitors for Parkinson's Disease. ANNUAL REPORTS IN MEDICINAL CHEMISTRY 2014. [DOI: 10.1016/b978-0-12-800167-7.00004-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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Elkins JM, Wang J, Deng X, Pattison MJ, Arthur JSC, Erazo T, Gomez N, Lizcano JM, Gray NS, Knapp S. X-ray crystal structure of ERK5 (MAPK7) in complex with a specific inhibitor. J Med Chem 2013; 56:4413-21. [PMID: 23656407 PMCID: PMC3683888 DOI: 10.1021/jm4000837] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
The
protein kinase ERK5 (MAPK7) is an emerging drug target for
a variety of indications, in particular for cancer where it plays
a key role mediating cell proliferation, survival, epithelial–mesenchymal
transition, and angiogenesis. To date, no three-dimensional structure
has been published that would allow rational design of inhibitors.
To address this, we determined the X-ray crystal structure of the
human ERK5 kinase domain in complex with a highly specific benzo[e]pyrimido[5,4-b]diazepine-6(11H)-one inhibitor. The structure reveals that specific residue
differences in the ATP-binding site, compared to the related ERKs
p38s and JNKs, allow for the development of ERK5-specific inhibitors.
The selectivity of previously observed ERK5 inhibitors can also be
rationalized using this structure, which provides a template for future
development of inhibitors with potential for treatment of disease.
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Affiliation(s)
- Jonathan M Elkins
- Structural Genomics Consortium, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Roosevelt Drive, Oxford, OX3 7DQ, UK
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