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Hossain MA. Targeting the RAS upstream and downstream signaling pathway for cancer treatment. Eur J Pharmacol 2024; 979:176727. [PMID: 38866361 DOI: 10.1016/j.ejphar.2024.176727] [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: 03/08/2024] [Revised: 06/05/2024] [Accepted: 06/06/2024] [Indexed: 06/14/2024]
Abstract
Cancer often involves the overactivation of RAS/RAF/MEK/ERK (MAPK) and PI3K-Akt-mTOR pathways due to mutations in genes like RAS, RAF, PTEN, and PIK3CA. Various strategies are employed to address the overactivation of these pathways, among which targeted therapy emerges as a promising approach. Directly targeting specific proteins, leads to encouraging results in cancer treatment. For instance, RTK inhibitors such as imatinib and afatinib selectively target these receptors, hindering ligand binding and reducing signaling initiation. These inhibitors have shown potent efficacy against Non-Small Cell Lung Cancer. Other inhibitors, like lonafarnib targeting Farnesyltransferase and GGTI 2418 targeting geranylgeranyl Transferase, disrupt post-translational modifications of proteins. Additionally, inhibition of proteins like SOS, SH2 domain, and Ras demonstrate promising anti-tumor activity both in vivo and in vitro. Targeting downstream components with RAF inhibitors such as vemurafenib, dabrafenib, and sorafenib, along with MEK inhibitors like trametinib and binimetinib, has shown promising outcomes in treating cancers with BRAF-V600E mutations, including myeloma, colorectal, and thyroid cancers. Furthermore, inhibitors of PI3K (e.g., apitolisib, copanlisib), AKT (e.g., ipatasertib, perifosine), and mTOR (e.g., sirolimus, temsirolimus) exhibit promising efficacy against various cancers such as Invasive Breast Cancer, Lymphoma, Neoplasms, and Hematological malignancies. This review offers an overview of small molecule inhibitors targeting specific proteins within the RAS upstream and downstream signaling pathways in cancer.
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Affiliation(s)
- Md Arafat Hossain
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj, 8100, Bangladesh.
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2
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Na B, Shah SR, Vasudevan HN. Past, Present, and Future Therapeutic Strategies for NF-1-Associated Tumors. Curr Oncol Rep 2024; 26:706-713. [PMID: 38709422 PMCID: PMC11169015 DOI: 10.1007/s11912-024-01527-4] [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] [Accepted: 03/27/2024] [Indexed: 05/07/2024]
Abstract
PURPOSE OF REVIEW Neurofibromatosis type 1 (NF-1) is a cancer predisposition syndrome caused by mutations in the NF1 tumor suppressor gene that encodes the neurofibromin protein, which functions as a negative regulator of Ras signaling. We review the past, current, and future state of therapeutic strategies for tumors associated with NF-1. RECENT FINDINGS Therapeutic efforts for NF-1-associated tumors have centered around inhibiting Ras output, leading to the clinical success of downstream MEK inhibition for plexiform neurofibromas and low-grade gliomas. However, MEK inhibition and similar molecular monotherapy approaches that block Ras signaling do not work for all patients and show limited efficacy for more aggressive cancers such as malignant peripheral nerve sheath tumors and high-grade gliomas, motivating novel treatment approaches. We highlight the current therapeutic landscape for NF-1-associated tumors, broadly categorizing treatment into past strategies for serial Ras pathway blockade, current approaches targeting parallel oncogenic and tumor suppressor pathways, and future avenues of investigation leveraging biologic and technical innovations in immunotherapy, pharmacology, and gene delivery.
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Affiliation(s)
- Brian Na
- Department of Neurology, UCLA Neuro-Oncology Program, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Shilp R Shah
- Samueli School of Engineering, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Harish N Vasudevan
- Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, 94143, USA.
- Department of Neurological Surgery, University of California San Francisco, San Francisco, CA, 94143, USA.
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Grogan L, Shapiro P. Progress in the development of ERK1/2 inhibitors for treating cancer and other diseases. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2024; 100:181-207. [PMID: 39034052 DOI: 10.1016/bs.apha.2024.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
The extracellular signal-regulated kinases-1 and 2 (ERK1/2) are ubiquitous regulators of many cellular functions, including proliferation, differentiation, migration, and cell death. ERK1/2 regulate cell functions by phosphorylating a diverse collection of protein substrates consisting of other kinases, transcription factors, structural proteins, and other regulatory proteins. ERK1/2 regulation of cell functions is tightly regulated through the balance between activating phosphorylation by upstream kinases and inactivating dephosphorylation by phosphatases. Disruption of homeostatic ERK1/2 regulation caused by elevated extracellular signals or mutations in upstream regulatory proteins leads to the constitutive activation of ERK1/2 signaling and uncontrolled cell proliferation observed in many types of cancer. Many inhibitors of upstream kinase regulators of ERK1/2 have been developed and are part of targeted therapeutic options to treat a variety of cancers. However, the efficacy of these drugs in providing sustained patient responses is limited by the development of acquired resistance often involving re-activation of ERK1/2. As such, recent drug discovery efforts have focused on the direct targeting of ERK1/2. Several ATP competitive ERK1/2 inhibitors have been identified and are being tested in cancer clinical trials. One drug, Ulixertinib (BVD-523), has received FDA approval for use in the Expanded Access Program for patients with no other therapeutic options. This review provides an update on ERK1/2 inhibitors in clinical trials, their successes and limitations, and new academic drug discovery efforts to modulate ERK1/2 signaling for treating cancer and other diseases.
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Affiliation(s)
- Lena Grogan
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD, United States
| | - Paul Shapiro
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD, United States.
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He Z, Zhong Y, Lv T, Wang J, Jin Y, Li F, Hu H. PP4R1 promotes glycolysis and gallbladder cancer progression through facilitating ERK1/2 mediated PKM2 nuclear translocation. Cancer Lett 2024; 586:216677. [PMID: 38301910 DOI: 10.1016/j.canlet.2024.216677] [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: 11/20/2023] [Revised: 01/19/2024] [Accepted: 01/23/2024] [Indexed: 02/03/2024]
Abstract
Gallbladder cancer (GBC) is a common solid tumor of the biliary tract with a high mortality rate and limited curative benefits from surgical resection. Here, we aimed to elucidate the pathogenesis of GBC from the perspective of molecular mechanisms and determined that protein phosphatase 4 regulator subunit 1 (PP4R1) is overexpressed in GBC tissues and contributes to poor prognosis. Through a series of in vitro and in vivo experiments, we demonstrated that PP4R1 overexpression improved tumorigenesis in GBC cells. Further mechanistic exploration revealed that PP4R1 directly interacts with pyruvate kinase-M2 (PKM2), a key regulator of glycolysis. PP4R1 promotes the extracellular signal-related kinase 1 and 2 (ERK1/2)-mediated PKM2 nuclear translocation, thereby participating in the regulation of tumor glycolysis. Interestingly, we determined that PP4R1 strengthens the interaction between ERK1/2 and PKM2. Furthermore, PP4R1 enhanced the suppressive effects of the ERK inhibitor SCH772984 on GBC. In conclusion, our data showed that PP4R1 is a promising biomarker associated with GBC and confirmed that PP4R1 regulates PKM2-mediated tumor glycolysis, which provides a metabolic growth advantage to GBC cells, thereby promoting GBC tumor growth and metastasis1.
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Affiliation(s)
- Zhiqiang He
- Department of Biliary Surgery, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Yuhan Zhong
- Laboratory of Liver Transplantation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Tianrun Lv
- Department of Biliary Surgery, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Junke Wang
- Department of Biliary Surgery, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Yanwen Jin
- Department of Biliary Surgery, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Fuyu Li
- Department of Biliary Surgery, West China Hospital, Sichuan University, Chengdu, 610041, PR China.
| | - Haijie Hu
- Department of Biliary Surgery, West China Hospital, Sichuan University, Chengdu, 610041, PR China.
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Jiang M, Wu W, Xiong Z, Yu X, Ye Z, Wu Z. Targeting autophagy drug discovery: Targets, indications and development trends. Eur J Med Chem 2024; 267:116117. [PMID: 38295689 DOI: 10.1016/j.ejmech.2023.116117] [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: 11/20/2023] [Revised: 12/30/2023] [Accepted: 12/31/2023] [Indexed: 02/25/2024]
Abstract
Autophagy plays a vital role in sustaining cellular homeostasis and its alterations have been implicated in the etiology of many diseases. Drugs development targeting autophagy began decades ago and hundreds of agents were developed, some of which are licensed for the clinical usage. However, no existing intervention specifically aimed at modulating autophagy is available. The obstacles that prevent drug developments come from the complexity of the actual impact of autophagy regulators in disease scenarios. With the development and application of new technologies, several promising categories of compounds for autophagy-based therapy have emerged in recent years. In this paper, the autophagy-targeted drugs based on their targets at various hierarchical sites of the autophagic signaling network, e.g., the upstream and downstream of the autophagosome and the autophagic components with enzyme activities are reviewed and analyzed respectively, with special attention paid to those at preclinical or clinical trials. The drugs tailored to specific autophagy alone and combination with drugs/adjuvant therapies widely used in clinical for various diseases treatments are also emphasized. The emerging drug design and development targeting selective autophagy receptors (SARs) and their related proteins, which would be expected to arrest or reverse the progression of disease in various cancers, inflammation, neurodegeneration, and metabolic disorders, are critically reviewed. And the challenges and perspective in clinically developing autophagy-targeted drugs and possible combinations with other medicine are considered in the review.
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Affiliation(s)
- Mengjia Jiang
- Department of Pharmacology and Pharmacy, China Jiliang University, China
| | - Wayne Wu
- College of Osteopathic Medicine, New York Institute of Technology, USA
| | - Zijie Xiong
- Department of Pharmacology and Pharmacy, China Jiliang University, China
| | - Xiaoping Yu
- Department of Biology, China Jiliang University, China
| | - Zihong Ye
- Department of Biology, China Jiliang University, China
| | - Zhiping Wu
- Department of Pharmacology and Pharmacy, China Jiliang University, China.
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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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Martin-Vega A, Cobb MH. Navigating the ERK1/2 MAPK Cascade. Biomolecules 2023; 13:1555. [PMID: 37892237 PMCID: PMC10605237 DOI: 10.3390/biom13101555] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 10/16/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
The RAS-ERK pathway is a fundamental signaling cascade crucial for many biological processes including proliferation, cell cycle control, growth, and survival; common across all cell types. Notably, ERK1/2 are implicated in specific processes in a context-dependent manner as in stem cells and pancreatic β-cells. Alterations in the different components of this cascade result in dysregulation of the effector kinases ERK1/2 which communicate with hundreds of substrates. Aberrant activation of the pathway contributes to a range of disorders, including cancer. This review provides an overview of the structure, activation, regulation, and mutational frequency of the different tiers of the cascade; with a particular focus on ERK1/2. We highlight the importance of scaffold proteins that contribute to kinase localization and coordinate interaction dynamics of the kinases with substrates, activators, and inhibitors. Additionally, we explore innovative therapeutic approaches emphasizing promising avenues in this field.
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Affiliation(s)
- Ana Martin-Vega
- Department of Pharmacology, UT Southwestern Medical Center, 6001 Forest Park Rd., Dallas, TX 75390, USA;
| | - Melanie H. Cobb
- Department of Pharmacology, UT Southwestern Medical Center, 6001 Forest Park Rd., Dallas, TX 75390, USA;
- Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, 6001 Forest Park Rd., Dallas, TX 75390, USA
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Stathis A, Tolcher AW, Wang JS, Renouf DJ, Chen LC, Suttner LH, Freshwater T, Webber AL, Nayak T, Siu LL. Results of an open-label phase 1b study of the ERK inhibitor MK-8353 plus the MEK inhibitor selumetinib in patients with advanced or metastatic solid tumors. Invest New Drugs 2023:10.1007/s10637-022-01326-3. [PMID: 37040046 DOI: 10.1007/s10637-022-01326-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 12/22/2022] [Accepted: 12/29/2022] [Indexed: 04/12/2023]
Abstract
AIM We evaluated MK-8353 (small molecule inhibitor of extracellular signal-regulated kinase 1/2) plus selumetinib (mitogen-activated extracellular signal-regulated kinase 1/2 inhibitor) in patients with advanced solid tumors. METHODS This phase 1b, open-label, dose-escalation study (NCT03745989) enrolled adults with histologically/cytologically documented, locally advanced/metastatic solid tumors. MK-8353/selumetinib dose combinations were intended to be investigated in sequence: 50/25, 100/50, 150/75, 200/75, 200/100, and 250/100. Each agent was administered orally BID 4 days on/3 days off in repeating cycles every 21 days. Primary objectives were safety and tolerability and to establish preliminary recommended phase 2 doses for combination therapy. RESULTS Thirty patients were enrolled. Median (range) age was 61.5 (26-78) years and 93% had received previous cancer therapy. Among 28 patients in the dose-limiting toxicities [DLT]-evaluable population, 8 experienced DLTs: 1/11 (9%) in the MK-8353/selumetinib 100/50-mg dose level experienced a grade 3 DLT (urticaria), and 7/14 (50%) in the 150/75-mg dose level experienced grade 2/3 DLTs (n = 2 each of blurred vision, retinal detachment, vomiting; n = 1 each of diarrhea, macular edema, nausea, retinopathy). The DLT rate in the latter dose level exceeded the prespecified target DLT rate (~30%). Twenty-six patients (87%) experienced treatment-related adverse events (grade 3, 30%; no grade 4/5), most commonly diarrhea (67%), nausea (37%), and acneiform dermatitis (33%). Three patients (10%) experienced treatment-related adverse events leading to treatment discontinuation. Best response was stable disease in 14 patients (n = 10 with MK-8353/selumetinib 150/75 mg). CONCLUSION MK-8353/selumetinib 50/25 mg and 100/50 mg had acceptable safety and tolerability, whereas 150/75 mg was not tolerable. No responses were observed.
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Affiliation(s)
- Anastasios Stathis
- Oncology Institute of Southern Switzerland, EOC, via A. Gallino 12, Bellinzona 6500, Switzerland.
| | | | - Judy S Wang
- Florida Cancer Specialists/Sarah Cannon Research Institute, Sarasota, FL, USA
| | | | | | | | | | | | | | - Lillian L Siu
- Princess Margaret Cancer Centre, Toronto, ON, Canada
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Pan Y, Liu J, Gao Y, Guo Y, Wang C, Liang Z, Wu M, Qian Y, Li Y, Shen J, Lu C, Ma S. FBXW7 loss of function promotes esophageal squamous cell carcinoma progression via elevating MAP4 and ERK phosphorylation. J Exp Clin Cancer Res 2023; 42:75. [PMID: 36991467 PMCID: PMC10054043 DOI: 10.1186/s13046-023-02630-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 02/23/2023] [Indexed: 03/31/2023] Open
Abstract
BACKGROUND Increasing evidence suggests that FBXW7 has a high frequency of mutations in esophageal squamous cell carcinoma (ESCC). However, the function of FBXW7, especially the mutations, is not clear. This study was designed to investigate the functional significance of FBXW7 loss of function and underlying mechanism in ESCC. METHODS Immunofluorescence was applied to clarify the localization and main isoform of FBXW7 in ESCC cells. Sanger sequencing were performed to explore mutations of FBXW7 in ESCC tissues. Proliferation, colony, invasion and migration assays were performed to examine the functional roles of FBXW7 in ESCC cells in vitro and in vivo. Real-time RT-PCR, immunoblotting, GST-pulldown, LC-MS/MS and co-immunoprecipitation assay were used to explore the molecular mechanism underlying the actions of FBXW7 functional inactivation in ESCC cells. Immunohistochemical staining were used to explore the expression of FBXW7 and MAP4 in ESCC tissues. RESULTS The main FBXW7 isoform in ESCC cells was the β transcript in the cytoplasm. Functional inactivation of FBXW7 led to activation of the MAPK signaling pathway and upregulation of the downstream MMP3 and VEGFA, which enhanced tumor proliferation cell invasion and migration. Among the five mutation forms screened, S327X (X means truncated mutation) had an effect similar to the FBXW7 deficiency and led to the inactivation of FBXW7 in ESCC cells. Three other point mutations, S382F, D400N and R425C, attenuated but did not eliminate FBXW7 function. The other truncating mutation, S598X, which was located outside of the WD40 domain, revealed a tiny attenuation of FBXW7 in ESCC cells. Notably, MAP4 was identified as a potential target of FBXW7. The threonine T521 of MAP4, which was phosphorylated by CHEK1, played a key role in the FBXW7-related degradation system. Immunohistochemical staining indicated that FBXW7 loss of function was associated with tumor stage and shorter survival of patients with ESCC. Univariate and multivariate Cox proportional hazards regression analyses showed that high FBXW7 and low MAP4 was an independent prognostic indicator and prospective longer survival. Moreover, a combination regimen that included MK-8353 to inhibit the phosphorylation of ERK and bevacizumab to inhibit VEGFA produced potent inhibitory effects on the growth of FBXW7 inactivation xenograft tumors in vivo. CONCLUSIONS This study provided evidence that FBXW7 loss of function promoted ESCC via MAP4 overexpression and ERK phosphorylation, and this novel FBXW7/MAP4/ERK axis may be an efficient target for ESCC treatment.
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Affiliation(s)
- Yunzhi Pan
- Department of Pharmacy, The Affiliated Infectious Diseases Hospital, Suzhou Medical College of Soochow University, Suzhou, 215007, China
| | - Jing Liu
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Yingyin Gao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Traditional Chinese Medicine, Nanjing, 210023, China
| | - Yuqing Guo
- Department of Pharmacy, The Affiliated Infectious Diseases Hospital, Suzhou Medical College of Soochow University, Suzhou, 215007, China
| | - Changxing Wang
- Department of Thoracic Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 215008, China
- Gusu School, Nanjing Medical University, Suzhou, 215008, China
| | - Zhipan Liang
- Department of Thoracic Surgery, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 215008, China
- Gusu School, Nanjing Medical University, Suzhou, 215008, China
| | - Meiying Wu
- Department of Tuberculosis, The Affiliated Infectious Diseases Hospital, Suzhou Medical College of Soochow University, Suzhou, 215007, China
| | - Yulan Qian
- Department of Pharmacy, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Yinyan Li
- Department of Anatomy, Bengbu Medical College, Bengbu, 233030, China
| | - Jingyi Shen
- Department of Anatomy, Bengbu Medical College, Bengbu, 233030, China
| | - Chenchen Lu
- Department of Anatomy, Bengbu Medical College, Bengbu, 233030, China.
| | - Sai Ma
- Gusu School, Nanjing Medical University, Suzhou, 215008, China.
- Department of Laboratory, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 215008, China.
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Fu L, Chen S, He G, Chen Y, Liu B. Targeting Extracellular Signal-Regulated Protein Kinase 1/2 (ERK1/2) in Cancer: An Update on Pharmacological Small-Molecule Inhibitors. J Med Chem 2022; 65:13561-13573. [PMID: 36205714 DOI: 10.1021/acs.jmedchem.2c01244] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Extracellular signal-regulated protein kinase 1/2 (ERK1/2), the only known substrate of MEK1/2, is located downstream of the RAS-RAF-MEK-ERK (MAPK) pathway and is associated with the abnormal activation and poor prognosis of cancer. To date, several small-molecule inhibitors of RAS, RAF, and MEK have been reported to make rapid advances in cancer therapy; however, acquired resistance still occurs, thereby weakening the therapeutic efficacy of these inhibitors. Recently, selective inhibition of ERK1/2 has been regarded as a potential cancer therapeutic strategy that can not only effectively block the MAPK pathway but also overcome drug resistance caused by upstream mutations in RAS, RAF, and MEK. Herein, we summarize the oncogenic roles, key signaling network, and the single- and dual-target inhibitors of ERK1/2 in preclinical and clinical trials. Together, these inspiring findings shed new light on the discovery of more small-molecule inhibitors of ERK1/2 as candidate drugs to improve cancer therapeutics.
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Affiliation(s)
- Leilei Fu
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Siwei Chen
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Gu He
- Department of Gastrointestinal Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yi Chen
- Department of Gastrointestinal Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Bo Liu
- Department of Gastrointestinal Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
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11
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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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12
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Targeting RAS–RAF–MEK–ERK signaling pathway in human cancer: Current status in clinical trials. Genes Dis 2022; 10:76-88. [PMID: 37013062 PMCID: PMC10066287 DOI: 10.1016/j.gendis.2022.05.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 04/23/2022] [Accepted: 05/05/2022] [Indexed: 12/12/2022] Open
Abstract
Molecular target inhibitors have been regularly approved by Food and Drug Administration (FDA) for tumor treatment, and most of them intervene in tumor cell proliferation and metabolism. The RAS-RAF-MEK-ERK pathway is a conserved signaling pathway that plays vital roles in cell proliferation, survival, and differentiation. The aberrant activation of the RAS-RAF-MEK-ERK signaling pathway induces tumors. About 33% of tumors harbor RAS mutations, while 8% of tumors are driven by RAF mutations. Great efforts have been dedicated to targeting the signaling pathway for cancer treatment in the past decades. In this review, we summarized the development of inhibitors targeting the RAS-RAF-MEK-ERK pathway with an emphasis on those used in clinical treatment. Moreover, we discussed the potential combinations of inhibitors that target the RAS-RAF-MEK-ERK signaling pathway and other signaling pathways. The inhibitors targeting the RAS-RAF-MEK-ERK pathway have essentially modified the therapeutic strategy against various cancers and deserve more attention in the current cancer research and treatment.
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13
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Li X, Dong P, Zhang T, Cai G, Chen Y, Dong H, Yang F, Zhang L, Mao Y, Feng J, Bai C, He F, Tao W. Discovery of SHR2415, a Novel Pyrrole-Fused Urea Scaffold ERK1/2 Inhibitor. ACS Med Chem Lett 2022; 13:701-706. [PMID: 35450372 PMCID: PMC9014502 DOI: 10.1021/acsmedchemlett.2c00029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 03/31/2022] [Indexed: 11/29/2022] Open
Abstract
ERK1/2 kinase is a key downstream node of the RAS-RAF-MEK-ERK signaling pathway. A highly potent and selective ERK1/2 inhibitor is a promising option for cancer treatment that will provide a potential solution for overcoming drug resistance. Herein we designed and synthesized a novel scaffold featuring a pyrrole-fused urea template. The lead compound, SHR2415, was shown to be a highly potent ERK1/2 inhibitor that exhibited high cell potency based on the Colo205 assay. In addition, SHR2415 displayed favorable PK profiles across species as well as robust in vivo efficacy in a mouse Colo205 xenograft model.
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Affiliation(s)
- Xin Li
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Ping Dong
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Ting Zhang
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Guodong Cai
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Yang Chen
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Huaide Dong
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Fang Yang
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Lei Zhang
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Yuchang Mao
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Jun Feng
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Chang Bai
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Feng He
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
| | - Weikang Tao
- R&D Center, Shanghai Hengrui Pharmaceutical Co., LTD., 279 Wenjing Road, Shanghai 200245, China
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14
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Niu Y, Ji H. Current developments in extracellular-regulated protein kinase (ERK1/2) inhibitors. Drug Discov Today 2022; 27:1464-1473. [DOI: 10.1016/j.drudis.2022.01.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 12/19/2021] [Accepted: 01/25/2022] [Indexed: 12/22/2022]
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15
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Kopczynski M, Rumienczyk I, Kulecka M, Statkiewicz M, Pysniak K, Sandowska-Markiewicz Z, Wojcik-Trechcinska U, Goryca K, Pyziak K, Majewska E, Masiejczyk M, Wojcik-Jaszczynska K, Rzymski T, Bomsztyk K, Ostrowski J, Mikula M. Selective Extracellular Signal-Regulated Kinase 1/2 (ERK1/2) Inhibition by the SCH772984 Compound Attenuates In Vitro and In Vivo Inflammatory Responses and Prolongs Survival in Murine Sepsis Models. Int J Mol Sci 2021; 22:ijms221910204. [PMID: 34638546 PMCID: PMC8508766 DOI: 10.3390/ijms221910204] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/20/2021] [Accepted: 09/20/2021] [Indexed: 12/29/2022] Open
Abstract
Sepsis is the leading cause of death in intensive care units worldwide. Current treatments of sepsis are largely supportive and clinical trials using specific pharmacotherapy for sepsis have failed to improve outcomes. Here, we used the lipopolysaccharide (LPS)-stimulated mouse RAW264.7 cell line and AlphaLisa assay for TNFa as a readout to perform a supervised drug repurposing screen for sepsis treatment with compounds targeting epigenetic enzymes, including kinases. We identified the SCH772984 compound, an extracellular signal-regulated kinase (ERK) 1/2 inhibitor, as an effective blocker of TNFa production in vitro. RNA-Seq of the SCH772984-treated RAW264.7 cells at 1, 4, and 24 h time points of LPS challenge followed by functional annotation of differentially expressed genes highlighted the suppression of cellular pathways related to the immune system. SCH772984 treatment improved survival in the LPS-induced lethal endotoxemia and cecal ligation and puncture (CLP) mouse models of sepsis, and reduced plasma levels of Ccl2/Mcp1. Functional analyses of RNA-seq datasets for kidney, lung, liver, and heart tissues from SCH772984-treated animals collected at 6 h and 12 h post-CLP revealed a significant downregulation of pathways related to the immune response and platelets activation but upregulation of the extracellular matrix organization and retinoic acid signaling pathways. Thus, this study defined transcriptome signatures of SCH772984 action in vitro and in vivo, an agent that has the potential to improve sepsis outcome.
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Affiliation(s)
- Michal Kopczynski
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (M.K.); (I.R.); (M.K.); (M.S.); (K.P.); (Z.S.-M.); (U.W.-T.); (J.O.)
| | - Izabela Rumienczyk
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (M.K.); (I.R.); (M.K.); (M.S.); (K.P.); (Z.S.-M.); (U.W.-T.); (J.O.)
| | - Maria Kulecka
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (M.K.); (I.R.); (M.K.); (M.S.); (K.P.); (Z.S.-M.); (U.W.-T.); (J.O.)
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre for Postgraduate Medical Education, 01-813 Warsaw, Poland
| | - Małgorzata Statkiewicz
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (M.K.); (I.R.); (M.K.); (M.S.); (K.P.); (Z.S.-M.); (U.W.-T.); (J.O.)
| | - Kazimiera Pysniak
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (M.K.); (I.R.); (M.K.); (M.S.); (K.P.); (Z.S.-M.); (U.W.-T.); (J.O.)
| | - Zuzanna Sandowska-Markiewicz
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (M.K.); (I.R.); (M.K.); (M.S.); (K.P.); (Z.S.-M.); (U.W.-T.); (J.O.)
| | - Urszula Wojcik-Trechcinska
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (M.K.); (I.R.); (M.K.); (M.S.); (K.P.); (Z.S.-M.); (U.W.-T.); (J.O.)
| | - Krzysztof Goryca
- Genomics Core Facility, Centre of New Technologies, University of Warsaw, 02-097 Warsaw, Poland;
| | - Karolina Pyziak
- Biology R&D, Ryvu Therapeutics S.A., 30-394 Krakow, Poland; (K.P.); (E.M.); (M.M.); (K.W.-J.); (T.R.)
| | - Eliza Majewska
- Biology R&D, Ryvu Therapeutics S.A., 30-394 Krakow, Poland; (K.P.); (E.M.); (M.M.); (K.W.-J.); (T.R.)
| | - Magdalena Masiejczyk
- Biology R&D, Ryvu Therapeutics S.A., 30-394 Krakow, Poland; (K.P.); (E.M.); (M.M.); (K.W.-J.); (T.R.)
| | | | - Tomasz Rzymski
- Biology R&D, Ryvu Therapeutics S.A., 30-394 Krakow, Poland; (K.P.); (E.M.); (M.M.); (K.W.-J.); (T.R.)
| | - Karol Bomsztyk
- UW Medicine South Lake Union, University of Washington, Seattle, WA 98109, USA;
| | - Jerzy Ostrowski
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (M.K.); (I.R.); (M.K.); (M.S.); (K.P.); (Z.S.-M.); (U.W.-T.); (J.O.)
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre for Postgraduate Medical Education, 01-813 Warsaw, Poland
| | - Michal Mikula
- Department of Genetics, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (M.K.); (I.R.); (M.K.); (M.S.); (K.P.); (Z.S.-M.); (U.W.-T.); (J.O.)
- Correspondence: ; Tel.: +48-22-546-26-55
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16
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Heightman TD, Berdini V, Bevan L, Buck IM, Carr MG, Courtin A, Coyle JE, Day JEH, East C, Fazal L, Griffiths-Jones CM, Howard S, Kucia-Tran J, Martins V, Muench S, Munck JM, Norton D, O'Reilly M, Palmer N, Pathuri P, Peakman TM, Reader M, Rees DC, Rich SJ, Shah A, Wallis NG, Walton H, Wilsher NE, Woolford AJA, Cooke M, Cousin D, Onions S, Shannon J, Watts J, Murray CW. Discovery of ASTX029, A Clinical Candidate Which Modulates the Phosphorylation and Catalytic Activity of ERK1/2. J Med Chem 2021; 64:12286-12303. [PMID: 34387469 DOI: 10.1021/acs.jmedchem.1c00905] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Aberrant activation of the mitogen-activated protein kinase pathway frequently drives tumor growth, and the ERK1/2 kinases are positioned at a key node in this pathway, making them important targets for therapeutic intervention. Recently, a number of ERK1/2 inhibitors have been advanced to investigational clinical trials in patients with activating mutations in B-Raf proto-oncogene or Ras. Here, we describe the discovery of the clinical candidate ASTX029 (15) through structure-guided optimization of our previously published isoindolinone lead (7). The medicinal chemistry campaign focused on addressing CYP3A4-mediated metabolism and maintaining favorable physicochemical properties. These efforts led to the identification of ASTX029, which showed the desired pharmacological profile combining ERK1/2 inhibition with suppression of phospho-ERK1/2 (pERK) levels, and in addition, it possesses suitable preclinical pharmacokinetic properties predictive of once daily dosing in humans. ASTX029 is currently in a phase I-II clinical trial in patients with advanced solid tumors.
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Affiliation(s)
- Tom D Heightman
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Valerio Berdini
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Luke Bevan
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Ildiko M Buck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Maria G Carr
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Aurélie Courtin
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Joseph E Coyle
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - James E H Day
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Charlotte East
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Lynsey Fazal
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | | | - Steven Howard
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Justyna Kucia-Tran
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Vanessa Martins
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Sandra Muench
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Joanne M Munck
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - David Norton
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Marc O'Reilly
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Nicholas Palmer
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Puja Pathuri
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Torren M Peakman
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Michael Reader
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - David C Rees
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Sharna J Rich
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Alpesh Shah
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Nicola G Wallis
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Hugh Walton
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Nicola E Wilsher
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | | | - Michael Cooke
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham NG1 1GF, U.K
| | - David Cousin
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham NG1 1GF, U.K
| | - Stuart Onions
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham NG1 1GF, U.K
| | - Jonathan Shannon
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham NG1 1GF, U.K
| | - John Watts
- Sygnature Discovery Ltd., BioCity, Pennyfoot Street, Nottingham NG1 1GF, U.K
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17
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Munck JM, Berdini V, Bevan L, Brothwood JL, Castro J, Courtin A, East C, Ferraldeschi R, Heightman TD, Hindley CJ, Kucia-Tran J, Lyons JF, Martins V, Muench S, Murray CW, Norton D, O'Reilly M, Reader M, Rees DC, Rich SJ, Richardson CJ, Shah AD, Stanczuk L, Thompson NT, Wilsher NE, Woolford AJA, Wallis NG. ASTX029, a Novel Dual-mechanism ERK Inhibitor, Modulates Both the Phosphorylation and Catalytic Activity of ERK. Mol Cancer Ther 2021; 20:1757-1768. [PMID: 34330842 DOI: 10.1158/1535-7163.mct-20-0909] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 02/11/2021] [Accepted: 07/19/2021] [Indexed: 11/16/2022]
Abstract
The MAPK signaling pathway is commonly upregulated in human cancers. As the primary downstream effector of the MAPK pathway, ERK is an attractive therapeutic target for the treatment of MAPK-activated cancers and for overcoming resistance to upstream inhibition. ASTX029 is a highly potent and selective dual-mechanism ERK inhibitor, discovered using fragment-based drug design. Because of its distinctive ERK-binding mode, ASTX029 inhibits both ERK catalytic activity and the phosphorylation of ERK itself by MEK, despite not directly inhibiting MEK activity. This dual mechanism was demonstrated in cell-free systems, as well as cell lines and xenograft tumor tissue, where the phosphorylation of both ERK and its substrate, ribosomal S6 kinase (RSK), were modulated on treatment with ASTX029. Markers of sensitivity were highlighted in a large cell panel, where ASTX029 preferentially inhibited the proliferation of MAPK-activated cell lines, including those with BRAF or RAS mutations. In vivo, significant antitumor activity was observed in MAPK-activated tumor xenograft models following oral treatment. ASTX029 also demonstrated activity in both in vitro and in vivo models of acquired resistance to MAPK pathway inhibitors. Overall, these findings highlight the therapeutic potential of a dual-mechanism ERK inhibitor such as ASTX029 for the treatment of MAPK-activated cancers, including those which have acquired resistance to inhibitors of upstream components of the MAPK pathway. ASTX029 is currently being evaluated in a first in human phase I-II clinical trial in patients with advanced solid tumors (NCT03520075).
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Affiliation(s)
| | | | - Luke Bevan
- Astex Pharmaceuticals, Cambridge, United Kingdom
| | | | - Juan Castro
- Astex Pharmaceuticals, Cambridge, United Kingdom
| | | | | | | | | | | | | | - John F Lyons
- Astex Pharmaceuticals, Cambridge, United Kingdom
| | | | | | | | - David Norton
- Astex Pharmaceuticals, Cambridge, United Kingdom
| | | | | | - David C Rees
- Astex Pharmaceuticals, Cambridge, United Kingdom
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18
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Rio-Vilariño A, del Puerto-Nevado L, García-Foncillas J, Cebrián A. Ras Family of Small GTPases in CRC: New Perspectives for Overcoming Drug Resistance. Cancers (Basel) 2021; 13:3757. [PMID: 34359657 PMCID: PMC8345156 DOI: 10.3390/cancers13153757] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 12/11/2022] Open
Abstract
Colorectal cancer remains among the cancers with the highest incidence, prevalence, and mortality worldwide. Although the development of targeted therapies against the EGFR and VEGFR membrane receptors has considerably improved survival in these patients, the appearance of resistance means that their success is still limited. Overactivation of several members of the Ras-GTPase family is one of the main actors in both tumour progression and the lack of response to cytotoxic and targeted therapies. This fact has led many resources to be devoted over the last decades to the development of targeted therapies against these proteins. However, they have not been as successful as expected in their move to the clinic so far. In this review, we will analyse the role of these Ras-GTPases in the emergence and development of colorectal cancer and their relationship with resistance to targeted therapies, as well as the status and new advances in the design of targeted therapies against these proteins and their possible clinical implications.
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Affiliation(s)
| | | | - Jesús García-Foncillas
- Translational Oncology Division, Hospital Universitario Fundación Jimenez Diaz, 28040 Madrid, Spain; (A.R.-V.); (L.d.P.-N.)
| | - Arancha Cebrián
- Translational Oncology Division, Hospital Universitario Fundación Jimenez Diaz, 28040 Madrid, Spain; (A.R.-V.); (L.d.P.-N.)
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19
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Ullah R, Yin Q, Snell AH, Wan L. RAF-MEK-ERK pathway in cancer evolution and treatment. Semin Cancer Biol 2021; 85:123-154. [PMID: 33992782 DOI: 10.1016/j.semcancer.2021.05.010] [Citation(s) in RCA: 134] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/03/2021] [Accepted: 05/06/2021] [Indexed: 12/13/2022]
Abstract
The RAF-MEK-ERK signaling cascade is a well-characterized MAPK pathway involved in cell proliferation and survival. The three-layered MAPK signaling cascade is initiated upon RTK and RAS activation. Three RAF isoforms ARAF, BRAF and CRAF, and their downstream MEK1/2 and ERK1/2 kinases constitute a coherently orchestrated signaling module that directs a range of physiological functions. Genetic alterations in this pathway are among the most prevalent in human cancers, which consist of numerous hot-spot mutations such as BRAFV600E. Oncogenic mutations in this pathway often override otherwise tightly regulated checkpoints to open the door for uncontrolled cell growth and neoplasia. The crosstalk between the RAF-MEK-ERK axis and other signaling pathways further extends the proliferative potential of this pathway in human cancers. In this review, we summarize the molecular architecture and physiological functions of the RAF-MEK-ERK pathway with emphasis on its dysregulations in human cancers, as well as the efforts made to target the RAF-MEK-ERK module using small molecule inhibitors.
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Affiliation(s)
- Rahim Ullah
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - Qing Yin
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - Aidan H Snell
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - Lixin Wan
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA; Department of Cutaneous Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA.
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20
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Qin J, Cheng W, Duan YT, Yang H, Yao Y. Indazole as a Privileged Scaffold: The Derivatives and their Therapeutic Applications. Anticancer Agents Med Chem 2021; 21:839-860. [PMID: 32819234 DOI: 10.2174/1871520620999200818160350] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 06/09/2020] [Accepted: 06/25/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Heterocyclic compounds, also called heterocycles, are a major class of organic chemical compound that plays a vital role in the metabolism of all living cells. The heterocyclic compound, indazole, has attracted more attention in recent years and is widely present in numerous commercially available drugs. Indazole-containing derivatives, representing one of the most important heterocycles in drug molecules, are endowed with a broad range of biological properties. METHODS A literature search was conducted in PubMed, Google Scholar and Web of Science regarding articles related to indazole and its therapeutic application. RESULTS The mechanism and structure-activity relationship of indazole and its derivatives were described. Based on their versatile biological activities, the compounds were divided into six groups: anti-inflammatory, antibacterial, anti-HIV, antiarrhythmic, antifungal and antitumour. At least 43 indazole-based therapeutic agents were found to be used in clinical application or clinical trials. CONCLUSION This review is a guide for pharmacologists who are in search of valid preclinical/clinical drug compounds where the progress of approved marketed drugs containing indazole scaffold is examined from 1966 to the present day. Future direction involves more diverse bioactive moieties with indazole scaffold and greater insights into its mechanism.
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Affiliation(s)
- Jinling Qin
- School of Pharmaceutical Science, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Weyland Cheng
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affilited to Zhengzhou University, Zhengzhou University, Henan 450018, China
| | - Yong-Tao Duan
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affilited to Zhengzhou University, Zhengzhou University, Henan 450018, China
| | - Hua Yang
- School of Pharmaceutical Science, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Yongfang Yao
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Children's Hospital Affilited to Zhengzhou University, Zhengzhou University, Henan 450018, China
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21
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Dual targeting of JAK2 and ERK interferes with the myeloproliferative neoplasm clone and enhances therapeutic efficacy. Leukemia 2021; 35:2875-2884. [PMID: 34480104 PMCID: PMC8478661 DOI: 10.1038/s41375-021-01391-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 08/11/2021] [Accepted: 08/18/2021] [Indexed: 02/06/2023]
Abstract
Myeloproliferative neoplasms (MPN) show dysregulated JAK2 signaling. JAK2 inhibitors provide clinical benefits, but compensatory activation of MAPK pathway signaling impedes efficacy. We hypothesized that dual targeting of JAK2 and ERK1/2 could enhance clone control and therapeutic efficacy. We employed genetic and pharmacologic targeting of ERK1/2 in Jak2V617F MPN mice, cells and patient clinical isolates. Competitive transplantations of Jak2V617F vs. wild-type bone marrow (BM) showed that ERK1/2 deficiency in hematopoiesis mitigated MPN features and reduced the Jak2V617F clone in blood and hematopoietic progenitor compartments. ERK1/2 ablation combined with JAK2 inhibition suppressed MAPK transcriptional programs, normalized cytoses and promoted clone control suggesting dual JAK2/ERK1/2 targeting as enhanced corrective approach. Combined pharmacologic JAK2/ERK1/2 inhibition with ruxolitinib and ERK inhibitors reduced proliferation of Jak2V617F cells and corrected erythrocytosis and splenomegaly of Jak2V617F MPN mice. Longer-term treatment was able to induce clone reductions. BM fibrosis was significantly decreased in MPLW515L-driven MPN to an extent not seen with JAK2 inhibitor monotherapy. Colony formation from JAK2V617F patients' CD34+ blood and BM was dose-dependently inhibited by combined JAK2/ERK1/2 inhibition in PV, ET, and MF subsets. Overall, we observed that dual targeting of JAK2 and ERK1/2 was able to enhance therapeutic efficacy suggesting a novel treatment approach for MPN.
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Talele TT. Opportunities for Tapping into Three-Dimensional Chemical Space through a Quaternary Carbon. J Med Chem 2020; 63:13291-13315. [PMID: 32805118 DOI: 10.1021/acs.jmedchem.0c00829] [Citation(s) in RCA: 158] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A quaternary carbon bears four other carbon substituents or combination of four non-hydrogen substituents at four vertices of a tetrahedron. The spirocyclic quaternary carbon positioned at the center of a bioactive molecule offers conformational rigidity, which in turn reduces the penalty for conformational entropy. The quaternary carbon is a predominant feature of natural product structures and has been associated with more effective and selective binding to target proteins compared to planar compounds with a high sp2 count. The presence of a quaternary carbon stereocenter allows the exploration of novel chemical space to obtain new molecules with enhanced three-dimensionality. These characteristics, coupled to an increasing awareness to develop sp3-rich molecules, boosted utility of quaternary carbon stereocenters in bioactive compounds. It is hoped that this Perspective will inspire the chemist to utilize quaternary carbon stereocenters to enhance potency, selectivity, and other drug-like properties.
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Affiliation(s)
- Tanaji T Talele
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, New York 11439, United States
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Abstract
RAS (KRAS, NRAS and HRAS) is the most frequently mutated gene family in cancers, and, consequently, investigators have sought an effective RAS inhibitor for more than three decades. Even 10 years ago, RAS inhibitors were so elusive that RAS was termed 'undruggable'. Now, with the success of allele-specific covalent inhibitors against the most frequently mutated version of RAS in non-small-cell lung cancer, KRASG12C, we have the opportunity to evaluate the best therapeutic strategies to treat RAS-driven cancers. Mutation-specific biochemical properties, as well as the tissue of origin, are likely to affect the effectiveness of such treatments. Currently, direct inhibition of mutant RAS through allele-specific inhibitors provides the best therapeutic approach. Therapies that target RAS-activating pathways or RAS effector pathways could be combined with these direct RAS inhibitors, immune checkpoint inhibitors or T cell-targeting approaches to treat RAS-mutant tumours. Here we review recent advances in therapies that target mutant RAS proteins and discuss the future challenges of these therapies, including combination strategies.
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Abstract
PURPOSE OF REVIEW The current review aims to highlight the frequency of RAS mutations in pediatric leukemias and solid tumors and to propose strategies for targeting oncogenic RAS in pediatric cancers. RECENT FINDINGS The three RAS genes (HRAS, NRAS, and KRAS) comprise the most frequently mutated oncogene family in human cancer. RAS mutations are commonly observed in three of the leading causes of cancer death in the United States, namely lung cancer, pancreatic cancer, and colorectal cancer. The association of RAS mutations with these aggressive malignancies inspired the creation of the National Cancer Institute RAS initiative and spurred intense efforts to develop strategies to inhibit oncogenic RAS, with much recent success. RAS mutations are frequently observed in pediatric cancers; however, recent advances in anti-RAS drug development have yet to translate into pediatric clinical trials. SUMMARY We find that RAS is mutated in common and rare pediatric malignancies and that oncogenic RAS confers a functional dependency in these cancers. Many strategies for targeting RAS are being pursued for malignancies that primarily affect adults and there is a clear need for inclusion of pediatric patients in clinical trials of these agents.
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Miao L, Tian H. Development of ERK1/2 inhibitors as a therapeutic strategy for tumour with MAPK upstream target mutations. J Drug Target 2019; 28:154-165. [PMID: 31340679 DOI: 10.1080/1061186x.2019.1648477] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Extracellular signal-regulated kinases 1 and 2 (ERK1/2) phosphorylate a variety of substrates that play key roles in promoting cell survival and proliferation. Many inhibitors, acting on upstream of the ERK pathway, exhibit excellent antitumor activity. However, drug-resistant tumour cells invariably emerge after their use due to the reactivation of ERK1/2 signalling. ERK1/2 inhibitors have shown clinical efficacy as a therapeutic strategy for the treatment of tumours with mitogen-activated protein kinase (MAPK) upstream target mutations. These inhibitors may be effective against cancers with altered MAPK upstream pathway and may be used as a possible strategy to overcome acquired resistance to MAPK inhibitors. In this review, we describe the mechanism and types of ERK1/2 inhibitors, summarise the current development status of small-molecule ERK1/2 inhibitors, including the preclinical data and clinical study progress, and discuss the future research directions for the application of ERK1/2 inhibitors.
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Affiliation(s)
- Longfei Miao
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Hongqi Tian
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
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Sammons RM, Ghose R, Tsai KY, Dalby KN. Targeting ERK beyond the boundaries of the kinase active site in melanoma. Mol Carcinog 2019; 58:1551-1570. [PMID: 31190430 DOI: 10.1002/mc.23047] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/30/2019] [Accepted: 05/10/2019] [Indexed: 12/14/2022]
Abstract
Extracellular signal-regulated kinase 1/2 (ERK1/2) constitute a point of convergence for complex signaling events that regulate essential cellular processes, including proliferation and survival. As such, dysregulation of the ERK signaling pathway is prevalent in many cancers. In the case of BRAF-V600E mutant melanoma, ERK inhibition has emerged as a viable clinical approach to abrogate signaling through the ERK pathway, even in cases where MEK and Raf inhibitor treatments fail to induce tumor regression due to resistance mechanisms. Several ERK inhibitors that target the active site of ERK have reached clinical trials, however, many critical ERK interactions occur at other potentially druggable sites on the protein. Here we discuss the role of ERK signaling in cell fate, in driving melanoma, and in resistance mechanisms to current BRAF-V600E melanoma treatments. We explore targeting ERK via a distinct site of protein-protein interaction, known as the D-recruitment site (DRS), as an alternative or supplementary mode of ERK pathway inhibition in BRAF-V600E melanoma. Targeting the DRS with inhibitors in melanoma has the potential to not only disrupt the catalytic apparatus of ERK but also its noncatalytic functions, which have significant impacts on spatiotemporal signaling dynamics and cell fate.
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Affiliation(s)
- Rachel M Sammons
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas.,Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, The University of Texas at Austin, Austin, Texas
| | - Ranajeet Ghose
- Department of Chemistry and Biochemistry, The City College of New York, New York, New York
| | - Kenneth Y Tsai
- Departments of Anatomic Pathology and Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Kevin N Dalby
- Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, The University of Texas at Austin, Austin, Texas.,Department of Oncology, Dell Medical School, The University of Texas at Austin, Austin, Texas
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Savoia P, Fava P, Casoni F, Cremona O. Targeting the ERK Signaling Pathway in Melanoma. Int J Mol Sci 2019; 20:ijms20061483. [PMID: 30934534 PMCID: PMC6472057 DOI: 10.3390/ijms20061483] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 03/17/2019] [Accepted: 03/19/2019] [Indexed: 12/24/2022] Open
Abstract
The discovery of the role of the RAS/RAF/MEK/ERK pathway in melanomagenesis and its progression have opened a new era in the treatment of this tumor. Vemurafenib was the first specific kinase inhibitor approved for therapy of advanced melanomas harboring BRAF-activating mutations, followed by dabrafenib and encorafenib. However, despite the excellent results of first-generation kinase inhibitors in terms of response rate, the average duration of the response was short, due to the onset of genetic and epigenetic resistance mechanisms. The combination therapy with MEK inhibitors is an excellent strategy to circumvent drug resistance, with the additional advantage of reducing side effects due to the paradoxical reactivation of the MAPK pathway. The recent development of RAS and extracellular signal-related kinases (ERK) inhibitors promises to add new players for the ultimate suppression of this signaling pathway and the control of pathway-related drug resistance. In this review, we analyze the pharmacological, preclinical, and clinical trial data of the various MAPK pathway inhibitors, with a keen interest for their clinical applicability in the management of advanced melanoma.
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Affiliation(s)
- Paola Savoia
- Department of Health Science, University of Eastern Piedmont, via Solaroli 17, 28100 Novara, Italy.
| | - Paolo Fava
- Section of Dermatology, Department of Medical Science, University of Turin, 10124 Turin, Italy.
| | - Filippo Casoni
- San Raffaele Scientific Institute, Division of Neuroscience, via Olgettina 58, 20132 Milano, Italy.
- Università Vita Salute San Raffaele, via Olgettina 58, 20132 Milano, Italy.
| | - Ottavio Cremona
- San Raffaele Scientific Institute, Division of Neuroscience, via Olgettina 58, 20132 Milano, Italy.
- Università Vita Salute San Raffaele, via Olgettina 58, 20132 Milano, Italy.
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Roskoski R. Targeting ERK1/2 protein-serine/threonine kinases in human cancers. Pharmacol Res 2019; 142:151-168. [PMID: 30794926 DOI: 10.1016/j.phrs.2019.01.039] [Citation(s) in RCA: 190] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 01/18/2019] [Indexed: 12/17/2022]
Abstract
ERK1 and ERK2 are key protein kinases that contribute to the Ras-Raf-MEK-ERK MAP kinase signalling module. This pathway participates in the control of numerous processes including apoptosis, cell proliferation, the immune response, nervous system function, and RNA synthesis and processing. MEK1/2 activate human ERK1/2 by first catalyzing the phosphorylation of Y204/187 and then T202/185, both residues of which occur within the activation segment. The phosphorylation of both residues is required for enzyme activation. The only Raf substrates are MEK1/2 and the only MEK1/2 substrates are ERK1/2. In contrast, ERK1/2 catalyze the phosphorylation of many cytoplasmic and nuclear substrates including transcription factors and regulatory molecules. The linear MAP kinase pathway branches extensively at the ERK1/2 node. ERK1/2 are proline-directed kinases that preferentially catalyze the phosphorylation of substrates containing a PxS/TP sequence. The dephosphorylation and inactivation of ERK1/2 is catalyzed by dual specificity phosphatases, protein-tyrosine specific phosphatases, and protein-serine/threonine phosphatases. The combined functions of kinases and phosphatases make the overall process reversible. To provide an idea of the complexities involved in these reactions, somatic cell cycle progression involves the strict timing of more than 32,000 phosphorylation and dephosphorylation events as determined by mass spectrometry. The MAP kinase cascade is perhaps the most important oncogenic driver of human cancers and the blockade of this signalling module by targeted inhibitors is an important anti-tumor strategy. Although numerous cancers are driven by MAP kinase pathway activation, thus far the only orally effective approved drugs that target this signaling module are used for the treatment of BRAF-mutant melanomas. The best treatments include the combination of B-Raf and MEK inhibitors (dabrafenib and trametinib, encorafenib and binimetinib, vemurafenib and cobimetanib). However, resistance to these antagonists occurs within one year and additional treatment options are necessary. Owing to the large variety of malignancies that are driven by dysregulation of the MAP kinase pathway, additional tumor types should be amenable to MAP kinase pathway inhibitor therapy. In addition to new B-Raf and MEK inhibitors, the addition of ERK inhibitors should prove helpful. Ulixertinib, MK-8353, and GDC-0994 are orally effective, potent, and specific inhibitors of ERK1/2 that are in early clinical trials for the treatment of various advanced/metastatic solid tumors. These agents are effective against cell lines that are resistant to B-Raf and MEK1/2 inhibitor therapy. Although MK-8353 does not directly inhibit MEK1/2, it decreases the phosphorylation of ERK1/2 as well as the phosphorylation of RSK, an ERK1/2 substrate. The decrease in RSK phosphorylation appears to be a result of ERK inhibition and the decrease in ERK1/2 phosphorylation is related to the inability of MEK to catalyze the phosphorylation of the ERK-MK-8353 complex; these decreases characterize the ERK dual mechanism inhibition paradigm. Additional work will be required to determine whether ERK inhibitors will be successful in the clinic and are able to forestall the development of drug resistance of the MAP kinase pathway.
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Affiliation(s)
- Robert Roskoski
- Blue Ridge Institute for Medical Research, 3754 Brevard Road, Suite 116, Box 19, Horse Shoe, NC, 28742-8814, United States.
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Zhang SG, Liang CG, Zhang WH. Recent Advances in Indazole-Containing Derivatives: Synthesis and Biological Perspectives. Molecules 2018; 23:E2783. [PMID: 30373212 PMCID: PMC6278422 DOI: 10.3390/molecules23112783] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 10/14/2018] [Accepted: 10/24/2018] [Indexed: 02/07/2023] Open
Abstract
Indazole-containing derivatives represent one of the most important heterocycles in drug molecules. Diversely substituted indazole derivatives bear a variety of functional groups and display versatile biological activities; hence, they have gained considerable attention in the field of medicinal chemistry. This review aims to summarize the recent advances in various methods for the synthesis of indazole derivatives. The current developments in the biological activities of indazole-based compounds are also presented.
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Affiliation(s)
- Shu-Guang Zhang
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Chao-Gen Liang
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Wei-Hua Zhang
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China.
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Stout MC, Campbell PM. RASpecting the oncogene: New pathways to therapeutic advances. Biochem Pharmacol 2018; 158:217-228. [PMID: 30352234 DOI: 10.1016/j.bcp.2018.10.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 10/19/2018] [Indexed: 12/13/2022]
Abstract
RAS is the most commonly mutated driver of tumorigenesis, seen in about 30% of all cancer cases. There is a subset of tumors termed RAS-driven cancers in which RAS mutation or overactivation is evident, including as much as 95% in pancreatic and 50% in colon cancer. RAS is a family of small membrane bound GTPases that act as a signaling node to control both normal and cancer biology. Since the discovery of RAS' overall prominence in many tumor types and specifically in RAS-dependent cancers, it has been an obvious therapeutic target for drug development. However, RAS has proved a very elusive target, and after a few prominent RAS targeted drugs failed in clinical trials after decades of research, RAS was termed "undruggable" and research in this field was greatly hampered. An increase in knowledge about basic RAS biology has led to a resurgence in the generation of novel therapeutics targeting RAS signaling utilizing various and distinct approaches. These new drugs target RAS activation directly, block downstream signaling effectors and inhibit proper post-translational processing and trafficking/recycling of RAS. This review will cover how these new drugs were developed and how they have fared in preclinical and early phase clinical trials.
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Affiliation(s)
- Matthew C Stout
- Department of Pharmacology and Physiology, College of Medicine, Drexel University, USA; Cancer Biology Program and The Marvin & Concetta Greenberg Pancreatic Cancer Institute, Fox Chase Cancer Center, USA
| | - Paul M Campbell
- Cancer Biology Program and The Marvin & Concetta Greenberg Pancreatic Cancer Institute, Fox Chase Cancer Center, USA.
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