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Zwierenga F, Zhang L, Melcr J, Schuuring E, van Veggel BAMH, de Langen AJ, Groen HJM, Groves MR, van der Wekken AJ. The prediction of treatment outcome in NSCLC patients harboring an EGFR exon 20 mutation using molecular modeling. Lung Cancer 2024; 197:107973. [PMID: 39374568 DOI: 10.1016/j.lungcan.2024.107973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2024] [Revised: 09/26/2024] [Accepted: 09/29/2024] [Indexed: 10/09/2024]
Abstract
INTRODUCTION The structural effect of uncommon heterogenous in-frame deletion and/or insertion mutations within exon 20 (EGFRex20+) in relation to therapy response is poorly understood. This study aims to elucidate the structural alterations caused by EGFRex20+ mutations and correlate these changes with patient responses. MATERIAL AND METHOD We selected EGFRex20+ mutations from advanced NSCLC patients in the Position20 and AFACET studies for computational analysis. Homology models representing both inactive and active conformations of these mutations were generated using the Swiss-Model server. Molecular docking studies with EGFR-TKIs was conducted using smina, followed by Molecular Dynamic (MD) simulations performed with GROMACS. These computational findings were compared with clinical outcomes to evaluate their potential in predicting patient response. RESULTS Our docking studies of 29 EGFRex20+ mutations revealed that the binding energies of afatinib, osimertinib, zipalertinib, and sunvozertinib, compared to the wild type, do not significantly impact either TKI's efficacy. MD simulations for eight EGFRex20+ mutations (A763_Y764insFQEA, A767_V769dup, S768_D770dup, D770_N771insG, D770_P772dup, N771_H773dup, H773_V774insY and H773_V774delinsLM) revealed varying degrees of instability. For six variants, predicted activation based on the αC-helix stability and orientation, as well as TKI sensitivity, aligned well with clinical observations from the Position20 and AFACET studies. Two mutations (D770_N771insG and N771_H773dup) predicted as poor to moderate responders, showed minimal activation of the αC-helix region, warranting further investigation. CONCLUSION In conclusion, MD simulations can effectively predict patient outcomes by connecting computational results with clinical data and advancing our understanding of EGFR mutations and their therapeutic responses.
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Affiliation(s)
- F Zwierenga
- Department of Pulmonary Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
| | - L Zhang
- Structural Biology in Drug Design, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, the Netherlands
| | - J Melcr
- Protyon B.V., Groningen, the Netherlands
| | - E Schuuring
- Department of Pathology and Molecular Biology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - B A M H van Veggel
- Department of Thoracic Oncology, Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands
| | - A J de Langen
- Department of Thoracic Oncology, Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands
| | - H J M Groen
- Department of Pulmonary Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - M R Groves
- Structural Biology in Drug Design, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, the Netherlands
| | - A J van der Wekken
- Department of Pulmonary Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
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2
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Das D, Xie L, Hong J. Next-generation EGFR tyrosine kinase inhibitors to overcome C797S mutation in non-small cell lung cancer (2019-2024). RSC Med Chem 2024:d4md00384e. [PMID: 39246743 PMCID: PMC11376191 DOI: 10.1039/d4md00384e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Accepted: 07/24/2024] [Indexed: 09/10/2024] Open
Abstract
Lung cancer is a leading cause of cancer-related deaths worldwide. Non-small cell lung cancer (NSCLC) accounts for the major portion (80-85%) of all lung cancer cases. Epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) are commonly used as the targeted therapy for EGFR-mutated NSCLC. The FDA has approved first-, second- and third-generation EGFR-TKIs as therapeutics options. Osimertinib, the third-generation irreversible EGFR-TKI, has been approved for the treatment of NSCLC patients with the EGFRT790M mutation. However, due to the EGFRC797S mutation in the kinase domain of EGFR, resistance to osimertinib is observed and that limits the long-term effectiveness of the drug. The C797S mutation is one of the major causes of drug resistance against the third-generation EGFR TKIs. The C797S mutations including EGFR double mutations (19Del/C797S or L858R/C797S) and or EGFR triple mutations (19Del/T790M/C797S or L858R/T790M/C797S) cause major resistance to the third-generation EGFR-TKIs. Therefore, the discovery and development of fourth-generation EGFR-TKIs to target triple mutant EGFR with C797S mutation is a challenging topic in medicinal chemistry research. In this review, we discuss the discovery of novel fourth-generation EGFR TKIs, medicinal chemistry approaches and the strategies to overcome the C797S mutations. In vitro activities of EGFR-TKIs (2019-2024) against mutant EGFR TK, anti-proliferative activities, structural modifications, binding modes of the inhibitors and in vivo efficacies in animal models are discussed here.
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Affiliation(s)
- Debasis Das
- Discovery Chemistry Research, Arromax Pharmatech Co. Ltd., Sangtiandao Science Innovation Park No. 1 Huayun Road, SIP Suzhou 215123 P. R. China
| | - Lingzhi Xie
- Discovery Chemistry Research, Arromax Pharmatech Co. Ltd., Sangtiandao Science Innovation Park No. 1 Huayun Road, SIP Suzhou 215123 P. R. China
| | - Jian Hong
- Discovery Chemistry Research, Arromax Pharmatech Co. Ltd., Sangtiandao Science Innovation Park No. 1 Huayun Road, SIP Suzhou 215123 P. R. China
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3
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Patil BR, Bhadane KV, Ahmad I, Agrawal YJ, Shimpi AA, Dhangar MS, Patel HM. Exploring the structural activity relationship of the Osimertinib: A covalent inhibitor of double mutant EGFR L858R/T790M tyrosine kinase for the treatment of Non-Small Cell Lung Cancer (NSCLC). Bioorg Med Chem 2024; 109:117796. [PMID: 38879996 DOI: 10.1016/j.bmc.2024.117796] [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: 03/07/2024] [Revised: 05/13/2024] [Accepted: 06/07/2024] [Indexed: 06/18/2024]
Abstract
The USFDA granted regular approval to Osimertinib (AZD9291) on March 2017, for treating individuals with metastatic Non-Small Cell Lung Cancer having EGFR T790M mutation. Clinically, Osimertinib stands at the forefront for the treatment of patients with Non-Small Cell Lung Cancer. Osimertinib forms a covalent bond with the Cys797 residue and predominantly spares binding to WT-EGFR, thereby reducing toxicity and enabling the administration of doses that effectively inhibit T790M. However, a high percentage of patients treated with Osimertinib (AZD9291) developed a tertiary cysteine797 to serine797 (C797S) mutation in the EGFR kinase domain, rendering resistance to it. This comprehensive review sheds light on the chemistry, computational aspects, structural features, and expansive spectrum of biological activities of Osimertinib and its analogues. The in-depth exploration of these facets serves as a valuable resource for medicinal chemists, empowering them to design better Osimertinib analogues. This exhaustive study not only provides insights into improving potency but also emphasizes considerations for mutant selectivity and optimizing pharmacokinetic properties. This review acts as a guiding beacon for the strategic design and development of next-generation Osimertinib analogues.
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Affiliation(s)
- Bhatu R Patil
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra 4254, India
| | - Kunal V Bhadane
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra 4254, India
| | - Iqrar Ahmad
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra 4254, India
| | - Yogesh J Agrawal
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra 4254, India
| | - Amit A Shimpi
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra 4254, India
| | - Mayur S Dhangar
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra 4254, India
| | - Harun M Patel
- Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra 4254, India.
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4
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Beyett TS, Rana JK, Schaeffner IK, Heppner DE, Eck MJ. Structural Analysis of the Macrocyclic Inhibitor BI-4020 Binding to EGFR Kinase. ChemMedChem 2024; 19:e202300343. [PMID: 38523074 PMCID: PMC11212799 DOI: 10.1002/cmdc.202300343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 03/18/2024] [Accepted: 03/21/2024] [Indexed: 03/26/2024]
Abstract
A novel macrocyclic inhibitor of mutant EGFR (BI-4020) has shown promise in pre-clinical studies of T790M and C797S drug-resistant non-small cell lung cancer. To better understand the molecular basis for BI-4020 selectivity and potency, we have carried out biochemical activity assays and structural analysis with X-ray crystallography. Biochemical potencies agree with previous studies indicating that BI-4020 is uniquely potent against drug-resistant L858R/T790M and L858R/T790M/C797S variants. X-ray structures with wild-type (2.4 Å) and T790M/V948R (3.1 Å) EGFR kinase domains show that BI-4020 is likely rendered selective due to interactions with the kinase domain hinge region as well as T790M, akin to Osimertinib. Additionally, BI-4020 is also rendered more potent due to its constrained macrocycle geometry as well as additional H-bonds to conserved K745 and T845 residues in both active and inactive conformations. These findings taken together show how this novel macrocyclic inhibitor is both highly potent and selective for mutant EGFR in a reversible mechanism and motivate structure-inspired approaches to developing targeted therapies in medicinal oncology.
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Affiliation(s)
- Tyler S. Beyett
- 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
| | - Jaimin K. Rana
- 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
| | - Ilse K. Schaeffner
- 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 E. Heppner
- Department of Chemistry, University at Buffalo, Buffalo, NY 14260, USA
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14203
| | - Michael J. Eck
- 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
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5
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Yan Z, Wei D, Li X, Chung LW. Accelerating reliable multiscale quantum refinement of protein-drug systems enabled by machine learning. Nat Commun 2024; 15:4181. [PMID: 38755151 PMCID: PMC11099068 DOI: 10.1038/s41467-024-48453-4] [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: 08/31/2023] [Accepted: 04/24/2024] [Indexed: 05/18/2024] Open
Abstract
Biomacromolecule structures are essential for drug development and biocatalysis. Quantum refinement (QR) methods, which employ reliable quantum mechanics (QM) methods in crystallographic refinement, showed promise in improving the structural quality or even correcting the structure of biomacromolecules. However, vast computational costs and complex quantum mechanics/molecular mechanics (QM/MM) setups limit QR applications. Here we incorporate robust machine learning potentials (MLPs) in multiscale ONIOM(QM:MM) schemes to describe the core parts (e.g., drugs/inhibitors), replacing the expensive QM method. Additionally, two levels of MLPs are combined for the first time to overcome MLP limitations. Our unique MLPs+ONIOM-based QR methods achieve QM-level accuracy with significantly higher efficiency. Furthermore, our refinements provide computational evidence for the existence of bonded and nonbonded forms of the Food and Drug Administration (FDA)-approved drug nirmatrelvir in one SARS-CoV-2 main protease structure. This study highlights that powerful MLPs accelerate QRs for reliable protein-drug complexes, promote broader QR applications and provide more atomistic insights into drug development.
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Affiliation(s)
- Zeyin Yan
- Shenzhen Grubbs Institute, Department of Chemistry and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Dacong Wei
- Shenzhen Grubbs Institute, Department of Chemistry and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xin Li
- Shenzhen Grubbs Institute, Department of Chemistry and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Lung Wa Chung
- Shenzhen Grubbs Institute, Department of Chemistry and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China.
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6
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Tang C, Wang J, Wang D, Wang H, Cui S, Xiao T, Fan W, Zhang Y. Design, synthesis and biological evaluation of 2-phenylaminopyrimidine derivatives as EGFR inhibitors. Bioorg Med Chem Lett 2024; 101:129648. [PMID: 38331226 DOI: 10.1016/j.bmcl.2024.129648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/23/2024] [Accepted: 02/01/2024] [Indexed: 02/10/2024]
Abstract
In the treatment of non-small cell lung cancer (NSCLC), acquired drug resistance is a major factor that affects the efficacy of third-generation epidermal growth factor receptor (EGFR) inhibitors like Osimertinib. To overcome the L858R/T790M/C797S mutation, taking the Brigatinib as the positive control, two classes of 20 target compounds were designed and synthesized with 2-phenylaminopyrimidine as the core structure on the basis of summarizing the structure-activity relationship (SAR), following the basic principles of drug design. Representative compound I-10 potently inhibited EGFRL858R/T790M/C797S with an IC50 value of 33.26 nM and suppressed Ba/F3-EGFRL858R/T790M/C797S cells with an IC50 value of 106.4 nM, which is 5-fold more potent than Brigatinib. Besides, the compound exhibited an inhibition rate of less than 50 % against wild-type cell (NCI-H838), which reflected its toxicity or selectivity. Furthermore, this work serves as a foundation for future studies on EGFR inhibitors.
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Affiliation(s)
- Chunlei Tang
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
| | - Jie Wang
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
| | - Dong Wang
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
| | - Huabing Wang
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
| | - Shengkai Cui
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
| | - Tianxin Xiao
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
| | - Weizheng Fan
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
| | - Yan Zhang
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China.
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7
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Feng R, Zhen YQ, Wu D, Sun L, Xu JB, Li X, Zhang L, Gao F. Late-stage modification of complex drug: Base-controlled Pd-catalyzed regioselective synthesis and bioactivity of arylated osimertinibs. SCIENCE ADVANCES 2024; 10:eadl0026. [PMID: 38457511 PMCID: PMC10923520 DOI: 10.1126/sciadv.adl0026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 02/05/2024] [Indexed: 03/10/2024]
Abstract
Achieving regioselective synthesis in complex molecules with multiple reactive sites remains a tremendous challenge in synthetic chemistry. Regiodivergent palladium-catalyzed C─H arylation of complex antitumor drug osimertinib with various aryl bromides via the late-stage functionalization strategy was demonstrated here. This reaction displayed a switch in regioselectivity under complete base control. Potassium carbonate (K2CO3) promoted the arylation of acrylamide terminal C(sp2)-H, affording 34 derivatives. Conversely, sodium tert-butoxide (t-BuONa) mediated the aryl C(sp2)-H arylation of the indole C2 position, providing 27 derivatives. The derivative 3r containing a 3-fluorophenyl group at the indole C2 position demonstrated similar inhibition of EGFRT790M/L858R and superior antiproliferative activity in H1975 cells compared to osimertinib, as well as similar antiproliferative activity in A549 cells and antitumor efficacy in xenograft mouse model bearing H1975 cells. This approach provides a "one substrate-multi reactions-multiple products" strategy for the structural modification of complex drug molecules, creating more opportunities for the fast screening of pharmaceutical molecules.
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Affiliation(s)
- Rui Feng
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Yong-Qi Zhen
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, P.R. China
| | - Dongbo Wu
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu 610041, P.R. China
| | - Lian Sun
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Jin-Bu Xu
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Xiaohuan Li
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Lan Zhang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
| | - Feng Gao
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, P.R. China
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8
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Xu S, Zhou Z, He J, Guo J, Huang X, An Y, Pan Q, Xu S, Zhu W. Novel bioactive 2-phenyl-4-aminopyrimidine derivatives as EGFR Del19/T790M/C797S inhibitors for the treatment of non-small cell lung cancer. Arch Pharm (Weinheim) 2024; 357:e2300460. [PMID: 38009481 DOI: 10.1002/ardp.202300460] [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: 08/26/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 11/29/2023]
Abstract
Overexpression of the epidermal growth factor receptor (EGFR) has been implicated in the development of non-small-cell lung cancer (NSCLC). Thus, EGFR is an effective drug target for the treatment of NSCLC, and developing fourth-generation EGFR inhibitors to overcome the resistance mediated by T790M/C797S mutations are currently under investigation. In this study, based on the binding model between Angew2017-7634-1 and EGFRT790M/C797S , several series of 2-phenyl-4-aminopyrimidine derivatives were designed and synthesized. The bioactivity of these compounds was evaluated and it is suggested that compound A23 could effectively inhibit the proliferation of Ba/F3-EGFRDel19/T790M/C797S and H1975-EGFRL858R/T790M cells, with an IC50 of 0.22 ± 0.07 and 0.52 ± 0.03 μM, respectively. Meanwhile, the kinase activity of A23 against EGFRL858R/T790M and EGFRDel19/T790M/C797S was also evaluated, with an IC50 of 0.33 and 0.133 μM, respectively. Moreover, compound A23 was further evaluated in the H1975 xenograft models with significant in vivo tumor growth inhibitions of 25.5%, which means that A23 could effectively inhibit the growth of tumor cells and promote the death of tumor cells. As a result, A23 could be identified as a novel potential EGFRDel19/T790M/C797S inhibitor.
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Affiliation(s)
- Shidi Xu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, China
| | - Zhihui Zhou
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, China
- School of Pharmacy, Jiangxi Science and Technology Normal University, Nanchang, Jiangxi, China
| | - Jie He
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, China
| | - Jiaojiao Guo
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, China
| | - Xiaoling Huang
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, China
| | - Yufeng An
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, China
| | - Qingshan Pan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, China
| | - Shan Xu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, China
| | - Wufu Zhu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, China
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Hoyt KW, Urul DA, Ogboo BC, Wittlinger F, Laufer SA, Schaefer EM, May EW, Heppner DE. Pitfalls and Considerations in Determining the Potency and Mutant Selectivity of Covalent Epidermal Growth Factor Receptor Inhibitors. J Med Chem 2024; 67:2-16. [PMID: 38134304 DOI: 10.1021/acs.jmedchem.3c01502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2023]
Abstract
Enzyme inhibitors that form covalent bonds with their targets are being increasingly pursued in drug development. Assessing their biochemical activity relies on time-dependent assays, which are distinct and more complex compared with methods commonly employed for reversible-binding inhibitors. To provide general guidance to the covalent inhibitor development community, we explored methods and reported kinetic values and experimental factors in determining the biochemical activity of various covalent epidermal growth factor receptor (EGFR) inhibitors. We showcase how liquid handling and assay reagents impact kinetic parameters and potency interpretations, which are critical for structure-kinetic relationships and covalent drug design. Additionally, we include benchmark kinetic values with reference inhibitors, which are imperative, as covalent EGFR inhibitor kinetic values are infrequently consistent in the literature. This overview seeks to inform best practices for developing new covalent inhibitors and highlight appropriate steps to address gaps in knowledge presently limiting assay reliability and reproducibility.
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Affiliation(s)
- Kristopher W Hoyt
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Daniel A Urul
- AssayQuant Technologies, Inc., Marlboro, Massachusetts 01752, United States
| | - Blessing C Ogboo
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Florian Wittlinger
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Stefan A Laufer
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
- Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany
- Tübingen Center for Academic Drug Discovery & Development (TüCAD2), 72076 Tübingen, Germany
| | - Erik M Schaefer
- AssayQuant Technologies, Inc., Marlboro, Massachusetts 01752, United States
| | - Earl W May
- AssayQuant Technologies, Inc., Marlboro, Massachusetts 01752, United States
| | - David E Heppner
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14203, United States
- Department of Structural Biology, The State University of New York, Buffalo, New York 14203, United States
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10
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Tang S, Sun C, He X, Gan W, Wang L, Qiao D, Guan X, Xu S, Zheng P, Zhu W. Design, synthesis, and biological evaluation of 4-(2-fluorophenoxy)-7-methoxyquinazoline derivatives as dual EGFR/c-Met inhibitors for the treatment of NSCLC. Eur J Med Chem 2024; 263:115939. [PMID: 37984296 DOI: 10.1016/j.ejmech.2023.115939] [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: 09/13/2023] [Revised: 11/04/2023] [Accepted: 11/05/2023] [Indexed: 11/22/2023]
Abstract
In non-small cell lung cancer (NSCLC) treatment, aberrant expression of c-mesenchymal-epithelial transition factor (c-Met) has been identified as a driving factor in epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) resistance. Unfortunately, none of the EGFR/c-Met dual-target inhibitors have successfully passed clinical trials. Hence, based on molecular docking analysis and combination principles of EGFR and c-Met inhibitors, three series of 4-(2-fluorophenoxy)-7-methoxyquinazoline derivatives as new EGFR/c-Met inhibitors were designed, synthesized, and evaluated for their biological activities. Among these compounds, TS-41 displayed the best inhibitory activity against EGFRL858R and c-Met kinases, with an IC50 value of 68.1 nM and 0.26 nM respectively. Moreover, it also showed excellent inhibitory activity on three NSCLC cell lines A549-P, H1975 and PC-9 with IC50 values ranging from 1.48 to 2.76 μM. Flow cytometry assays demonstrated that TS-41 induced apoptosis and cell cycle arrest of A549-P cells in a concentration-dependent manner, corresponding to JC-1 staining assay results. Western blot analysis revealed that TS-41 significantly downregulated the phosphorylation of EGFR, c-Met, and downstream AKT at molecular level. Importantly, TS-41 exhibited potent in vivo anticancer efficacy in an A549-P-bearing allograft nude mouse model at a dose of 60 mg/kg with a tumor growth inhibition rate of 55.3 % compared with Afatinib (46.4 %), as well as low hemolytic toxicity and organ toxicity. Molecular docking results showed that TS-41 was well embedded into the cavity of EGFR (PDB: 5GMP) and c-Met (PDB: 3LQ8) proteins, respectively. In summary, TS-41 is a high-efficiency and low-toxicity EGFR/c-Met inhibitor for the treatment of NSCLC and is worthy of further exploration.
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Affiliation(s)
- Sheng Tang
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Chuanchuan Sun
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Xintao He
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Wenhui Gan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Linxiao Wang
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Dan Qiao
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Xinyu Guan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Shan Xu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Pengwu Zheng
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China
| | - Wufu Zhu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi, 330013, China.
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11
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Wang L, Fan D, Ruan W, Huang X, Zhu W, Tu Y, Zheng P. T6496 targeting EGFR mediated by T790M or C797S mutant: machine learning, virtual screening and bioactivity evaluation study. J Biomol Struct Dyn 2024:1-12. [PMID: 38174383 DOI: 10.1080/07391102.2023.2300756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 12/05/2023] [Indexed: 01/05/2024]
Abstract
Acquired resistance to EGFR is a major impediment in lung cancer treatment, highlighting the urgent need to discover novel compounds to overcome EGFR drug resistance. In this study, we utilized in silico methods and bioactivity evaluation for drug discovery to identify novel active anticancer agents targeting EGFRT790M/L858R and EGFRT790M/C797S/L858R. Firstly, we employed ROC-guided machine learning to retrieve nearly 7,765 compounds from a collection of three libraries (comprising over 220,000 compounds). Next, virtual screening, cluster analysis, and binding model analysis were employed to identify six potential compounds. Additionally, the kinase assay revealed that these six compounds demonstrated higher sensitivity to EGFR than c-Met. Among these compounds, T6496 inhibited both EGFRT790M/L858R and EGFRT790M/C797S/L858R kinases, with an IC50 of 3.30 and 8.72 μM. Furthermore, we evaluated the antitumor effects of the six selected compounds, and compound T6496 exhibited the strongest anticancer activity against H1975 cell lines, with an IC50 value of 2.7 μM. These results suggest that T6496 may mitigate EGFR resistance caused by T790M or C797S mutations. Moreover, the AO staining assay, JC-1 staining, ROS experiment and hemolytic toxicity evaluation revealed that T6496 could induce apoptosis in H1975 cell lines in a time-dependent and concentration-dependent manner, and is a potential compound for further structural optimization.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Linxiao Wang
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, China
| | - Dang Fan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, China
| | - Wei Ruan
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, China
| | - Xiaoling Huang
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, China
| | - Wufu Zhu
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, China
| | - Yuanbiao Tu
- Cancer Research Center, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Pengwu Zheng
- Jiangxi Provincial Key Laboratory of Drug Design and Evaluation, School of Pharmacy, Jiangxi Science & Technology Normal University, Nanchang, China
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12
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Olgen S, Kaleli SNB, Karaca BT, Demirel UU, Bristow HK. Synthesis and Anticancer Activity of Novel Indole Derivatives as Dual EGFR/SRC Kinase Inhibitors. Curr Med Chem 2024; 31:3798-3817. [PMID: 37365789 DOI: 10.2174/0929867330666230626143911] [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: 03/28/2023] [Revised: 05/18/2023] [Accepted: 05/31/2023] [Indexed: 06/28/2023]
Abstract
BACKGROUND Recent studies showed that the cooperation between c-SRC and EGFR is responsible for more aggressive phenotype in diverse tumors, including glioblastomas and carcinomas of the colon, breast, and lung. Studies show that combination of SRC and EGFR inhibitors can induce apoptosis and delay the acquired resistance to chemotherapy. Therefore, such combination may lead to a new therapeutic strategy for the treatment of EGFR-mutant lung cancer. Osimertinib was developed as a third-generation EGFR-TKI to combat the toxicity of EGFR mutant inhibitors. Due to the resistance and adverse reaction of osimertinib and other kinase inhibitors, 12 novel compounds structurally similar to osimertinib were designed and synthesized. METHODS Compounds were synthesized by developing novel original synthesis methods and receptor interactions were evaluated through a molecular docking study. To evaluate their inhibitory activities against EGFR and SRC kinase, in vitro enzyme assays were used. Anticancer potencies were determined using lung, breast, prostate (A549, MCF6, PC3) cancer cell lines. Compounds were also tested against normal (HEK293) cell line to evaluate their cyctotoxic effects. RESULTS Although, none of compounds showed stronger inhibition compared to osimertinib in the EGFR enzyme inhibition studies, compound 16 showed the highest efficacy with an IC50 of 1.026 μM. It also presented potent activity against SRC kinase with an IC50 of 0.002 μM. Among the tested compounds, the urea containing derivatives 6-11 exhibited a strong inhibition profile (80.12-89.68%) against SRC kinase in comparison to the reference compound dasatinib (93.26%). Most of the compounds caused more than 50% of cell death in breast, lung and prostate cancer cell lines and weak toxicity for normal cells in comparison to reference compounds osimertinib, dasatinib and cisplatin. Compound 16 showed strong cytotoxicity on lung and prostate cancer cells. Treatment of prostate cancer cell lines with the most active compound, 16, significantly increased the caspase-3 (8-fold), caspase-8 (6-fold) and Bax (5.7-fold) levels and decreased the Bcl-2 level (2.3-fold) compared to the control group. These findings revealed that the compound 16 strongly induces apoptosis in the prostate cancer cell lines. CONCLUSION Overall kinase inhibition, cytotoxicity and apoptosis assays presented that compound 16 has dual inhibitory activity against SRC and EGFR kinases while maintaining low toxicity against normal cells. Other compounds also showed considerable activity profiles in kinase and cell culture assays.
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Affiliation(s)
- Sureyya Olgen
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Biruni University, 34010, Zeytinburnu, Istanbul, Turkey
| | - Sevde Nur Biltekin Kaleli
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Istanbul Medipol University, 34815 Beykoz-Istanbul, Turkey
| | - Banu Taktak Karaca
- Department of Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, Istanbul Atlas University, İstanbul, Turkey
- Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, 34810 Beykoz-Istanbul, Turkey
| | - Ural U Demirel
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Altınbaş University, Istanbul, Turkey
| | - Hacer Karatas Bristow
- Research Institute for Health Sciences and Technologies (SABITA), Istanbul Medipol University, 34810 Beykoz-Istanbul, Turkey
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Istanbul Medipol University, 34815 Beykoz-Istanbul, Turkey
- C. Eugene Bennett Department of Chemistry, West Virgina University, 26506 Morgantown, West Virginia, USA
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13
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Bhattacharjee D, Bakar J, Chitnis SP, Sausville EL, Ashtekar KD, Mendelson BE, Long K, Smith JC, Heppner DE, Sheltzer JM. Inhibition of a lower potency target drives the anticancer activity of a clinical p38 inhibitor. Cell Chem Biol 2023; 30:1211-1222.e5. [PMID: 37827156 DOI: 10.1016/j.chembiol.2023.09.013] [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] [Received: 12/02/2022] [Revised: 06/27/2023] [Accepted: 09/21/2023] [Indexed: 10/14/2023]
Abstract
The small-molecule drug ralimetinib was developed as an inhibitor of the p38α mitogen-activated protein kinase, and it has advanced to phase 2 clinical trials in oncology. Here, we demonstrate that ralimetinib resembles EGFR-targeting drugs in pharmacogenomic profiling experiments and that ralimetinib inhibits EGFR kinase activity in vitro and in cellulo. While ralimetinib sensitivity is unaffected by deletion of the genes encoding p38α and p38β, its effects are blocked by expression of the EGFR-T790M gatekeeper mutation. Finally, we solved the cocrystal structure of ralimetinib bound to EGFR, providing further evidence that this drug functions as an ATP-competitive EGFR inhibitor. We conclude that, though ralimetinib is >30-fold less potent against EGFR compared to p38α, its ability to inhibit EGFR drives its primary anticancer effects. Our results call into question the value of p38α as an anticancer target, and we describe a multi-modal approach that can be used to uncover a drug's mechanism-of-action.
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Affiliation(s)
| | - Jaweria Bakar
- Yale University School of Medicine, New Haven, CT 06511, USA
| | - Surbhi P Chitnis
- Department of Chemistry, The University at Buffalo, State University of New York, Buffalo, NY 14260, USA
| | | | - Kumar Dilip Ashtekar
- Yale University School of Medicine, New Haven, CT 06511, USA; Department of Pharmacology, Yale University School of Medicine, New Haven, CT 06511, USA; Yale Cancer Biology Institute, West Haven, CT 06516, USA
| | | | - Kaitlin Long
- Yale University School of Medicine, New Haven, CT 06511, USA
| | - Joan C Smith
- Yale University School of Medicine, New Haven, CT 06511, USA; Meliora Therapeutics, New Haven, CT 06511, USA
| | - David E Heppner
- Department of Chemistry, The University at Buffalo, State University of New York, Buffalo, NY 14260, USA; Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14203, USA.
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14
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Chen H, Hu S, Patterson AV, Smaill JB, Ding K, Lu X. Structural Mechanism and Inhibitors Targeting EGFR Exon 20 Insertion (Ex20ins) Mutations. J Med Chem 2023; 66:11656-11671. [PMID: 37669428 DOI: 10.1021/acs.jmedchem.3c00875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Epidermal growth factor receptor (EGFR) targeted therapy is one of the most important and effective strategies to combat EGFR mutant nonsmall-cell lung cancer (NSCLC). However, a substantial number of patients bearing EGFR exon 20 insertion (Ex20ins) mutations respond poorly to common EGFR targeted therapies. This clinical need remained unmet until recently, when the EGFR Ex20ins mutation inhibitor mobocertinib was approved by the FDA. Despite this progress, the structural mechanisms of EGFR Ex20ins mutation resistance and characterization of inhibitor binding modes have not been systematically summarized. Herein, we analyze the structural mechanisms for ligand binding and resistance and summarize recent developments for the reported inhibitors of EGFR Ex20ins mutations. Furthermore, this Perspective aims to provide insights for the design of the next generation of EGFR Ex20ins inhibitors.
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Affiliation(s)
- Hao Chen
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), School of Pharmacy, Jinan University, 855 Xingye Avenue, Guangzhou 510632, China
| | - Shiliang Hu
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), School of Pharmacy, Jinan University, 855 Xingye Avenue, Guangzhou 510632, China
| | - Adam V Patterson
- Auckland Cancer Society Research Centre, Faculty of Medical and Health Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Jeff B Smaill
- Auckland Cancer Society Research Centre, Faculty of Medical and Health Sciences, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Ke Ding
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), School of Pharmacy, Jinan University, 855 Xingye Avenue, Guangzhou 510632, China
- State Key Laboratory of Bioorganic and Nature Product Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Xiaoyun Lu
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), School of Pharmacy, Jinan University, 855 Xingye Avenue, Guangzhou 510632, China
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15
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Hartung IV, Rudolph J, Mader MM, Mulder MPC, Workman P. Expanding Chemical Probe Space: Quality Criteria for Covalent and Degrader Probes. J Med Chem 2023; 66:9297-9312. [PMID: 37403870 PMCID: PMC10388296 DOI: 10.1021/acs.jmedchem.3c00550] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Indexed: 07/06/2023]
Abstract
Within druggable target space, new small-molecule modalities, particularly covalent inhibitors and targeted degraders, have expanded the repertoire of medicinal chemists. Molecules with such modes of action have a large potential not only as drugs but also as chemical probes. Criteria have previously been established to describe the potency, selectivity, and properties of small-molecule probes that are qualified to enable the interrogation and validation of drug targets. These definitions have been tailored to reversibly acting modulators but fall short in their applicability to other modalities. While initial guidelines have been proposed, we delineate here a full set of criteria for the characterization of covalent, irreversible inhibitors as well as heterobifunctional degraders ("proteolysis-targeting chimeras", or PROTACs) and molecular glue degraders. We propose modified potency and selectivity criteria compared to those for reversible inhibitors. We discuss their relevance and highlight examples of suitable probe and pathfinder compounds.
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Affiliation(s)
- Ingo V. Hartung
- Medicinal
Chemistry, Global Research & Development, Merck Healthcare KGaA, 64293 Darmstadt, Germany
| | - Joachim Rudolph
- Discovery
Chemistry, Genentech, South San Francisco, California 94080, United States
| | - Mary M. Mader
- Molecular
Innovation, Indiana Biosciences Research
Institute, Indianapolis, Indiana 64202, United States
| | - Monique P. C. Mulder
- Department
of Cell and Chemical Biology, Leiden University
Medical Center, 2333 ZA Leiden, The Netherlands
| | - Paul Workman
- Centre
for Cancer Drug Discovery, The Institute
of Cancer Research, London, Sutton SM2 5NG, United Kingdom
- Chemical
Probes Portal, https://www.chemicalprobes.org/
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16
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Guo J, Zhou Y, Lu X. Advances in protein kinase drug discovery through targeting gatekeeper mutations. Expert Opin Drug Discov 2023; 18:1349-1366. [PMID: 37811637 DOI: 10.1080/17460441.2023.2265303] [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: 05/11/2023] [Accepted: 09/27/2023] [Indexed: 10/10/2023]
Abstract
INTRODUCTION Acquired resistance caused by gatekeeper mutations has become a major challenge for approved kinase inhibitors used in the clinic. Consequently, the development of new-generation inhibitors or degraders to overcome clinical resistance has become an important research focus for the field. AREAS COVERED This review summarizes the common gatekeeper mutations in druggable kinases and the constantly evolving inhibitors or degraders designed to overcome single or double mutations of gatekeeper residues. Furthermore, the authors provide their perspectives on the medicinal chemistry strategies for addressing clinical resistance with gatekeeper mutations. EXPERT OPINION The authors suggest optimizing kinase inhibitors to interact effectively with gatekeeper residues, altering the binding mode or binding pocket to avoid steric clashes, improving binding affinity with the target, utilizing protein degraders, and developing combination therapy. These approaches have the potential to be effective in overcoming resistance due to gatekeeper residues.
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Affiliation(s)
- Jing Guo
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, Guangzhou, China
| | - Yang Zhou
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, Guangzhou, China
| | - Xiaoyun Lu
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, Guangzhou, China
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17
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Dong H, Ye X, Zhu Y, Shen H, Shen H, Chen W, Ji M, Zheng M, Wang K, Cai Z, Sun H, Xiao Y, Yang P. Discovery of Potent and Wild-Type-Sparing Fourth-Generation EGFR Inhibitors for Treatment of Osimertinib-Resistance NSCLC. J Med Chem 2023; 66:6849-6868. [PMID: 37141440 DOI: 10.1021/acs.jmedchem.3c00277] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Osimertinib resistance is an unmet clinical need for the treatment of non-small cell lung cancer (NSCLC), and the main mechanism is tertiary C797S mutation of epidermal growth factor receptor (EGFR). To date, there is no inhibitor approved for the treatment of Osimertinib-resistant NSCLC. Herein, we reported a series of Osimertinib derivatives as fourth-generation inhibitors which were rationally designed. Top candidate D51 potently inhibited the EGFRL858R/T790M/C797S mutant with an IC50 value of 14 nM and suppressed the proliferation of H1975-TM cells with an IC50 value of 14 nM, which show over 500-fold selectivity against wild-type forms. Moreover, D51 inhibited the EGFRdel19/T790M/C797S mutant and the proliferation of the PC9-TM cell line with IC50 values of 62 and 82 nM. D51 also exhibited favorable in vivo druggability, including PK parameters, safety properties, in vivo stability, and antitumor activity.
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Affiliation(s)
- Haojie Dong
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Institute of Innovative Drug Discovery and Development, China Pharmaceutical University, Nanjing 211198, China
| | - Xiuquan Ye
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Yasheng Zhu
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Institute of Innovative Drug Discovery and Development, China Pharmaceutical University, Nanjing 211198, China
| | - Hao Shen
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Institute of Innovative Drug Discovery and Development, China Pharmaceutical University, Nanjing 211198, China
| | - Hongtao Shen
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Weijiao Chen
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Institute of Innovative Drug Discovery and Development, China Pharmaceutical University, Nanjing 211198, China
| | - Minghui Ji
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Institute of Innovative Drug Discovery and Development, China Pharmaceutical University, Nanjing 211198, China
| | - Mingming Zheng
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Institute of Innovative Drug Discovery and Development, China Pharmaceutical University, Nanjing 211198, China
| | - Keren Wang
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Zeyu Cai
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Institute of Innovative Drug Discovery and Development, China Pharmaceutical University, Nanjing 211198, China
| | - Haopeng Sun
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Yibei Xiao
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Chongqing Innovation Institute of China Pharmaceutical University, Chongqing 401135, China
| | - Peng Yang
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Institute of Innovative Drug Discovery and Development, China Pharmaceutical University, Nanjing 211198, China
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18
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Damghani T, Wittlinger F, Beyett TS, Eck MJ, Laufer SA, Heppner DE. Structural elements that enable specificity for mutant EGFR kinase domains with next-generation small-molecule inhibitors. Methods Enzymol 2023; 685:171-198. [PMID: 37245901 PMCID: PMC10445336 DOI: 10.1016/bs.mie.2023.03.013] [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] [Indexed: 05/30/2023]
Abstract
Specificity for a desired enzyme target is an essential property of small-molecule inhibitors. Molecules targeting oncogenic driver mutations in the epidermal growth factor receptor (EGFR) kinase domain have had a considerable clinical impact due to their selective binding to cancer-causing mutants compared to wild type. Despite the availability of clinically approved drugs for cancers driven by EGFR mutants, persistent challenges in drug resistance in the past decades have led to newer generations of drugs with divergent chemical structures. The current clinical challenges are mainly due to acquired resistance to third-generation inhibitors, including by the acquisition of the C797S mutation. Several diverse fourth-generation candidates and tool compounds that inhibit the C797S mutant have emerged, and their structural characterization has revealed molecular factors that allow for EGFR mutant selective binding. Here, we have reviewed all known structurally-characterized EGFR TKIs targeting clinically-relevant mutations to identify specific features that enable C797S inhibition. Newer generation EGFR inhibitors exhibit consistent and previously underutilized hydrogen bonding interactions with the conserved K745 and D855 residue side chains. We also consider binding modes and hydrogen bonding interactions of inhibitors targeting the classical ATP and the more unique allosteric sites.
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Affiliation(s)
- Tahereh Damghani
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY, United States
| | - Florian Wittlinger
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen, Tübingen, Germany
| | - Tyler S Beyett
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, United States; Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, United States
| | - Michael J Eck
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, United States; Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, United States
| | - Stefan A Laufer
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen, Tübingen, Germany; Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Eberhard Karls Universität Tübingen, Tübingen, Germany; Tübingen Center for Academic Drug Discovery & Development (TüCAD2), Tübingen, Germany
| | - David E Heppner
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY, United States; Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States.
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19
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Structural Analysis of Interactions between Epidermal Growth Factor Receptor (EGFR) Mutants and Their Inhibitors. BIOPHYSICA 2023. [DOI: 10.3390/biophysica3010013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
Abstract
People’s lives and health are gravely threatened by non-small-cell lung cancer (NSCLC). Mutations in epidermal growth factor receptor (EGFR), a transmembrane receptor tyrosine kinase, are considered one of the causes of NSCLC. Tyrosine kinase inhibitors (TKIs) are typically used to treat patients with EGFR mutations. In this study, Gefitinib, a member of the first generation of TKIs, was used to treat an EGFR single-point mutation (single mutant, SM). Patients harboring additional T790M mutations in the kinase domain of the EGFR were resistant to Gefitinib. Then, the L858R/T790M double mutation (double mutant, DM) was treated with the second generation of TKIs, such as Afatinib. Here, we constructed four computational models to uncover the structural basis between EGFR mutants (SM and DM) and corresponding inhibitors (Gefitinib and Afatinib). The binding energy in the G-SM (representing Gefitinib in complex with SM) system was larger than that in the G-DM (Representing Gefitinib in complex with DM) system. Gefitinib’s affinity with L792 and M793 was drastically reduced by the longer side chain of M790 in the G-DM system, which pushed Gefitinib outside of the pocket. Additionally, the A-DM system’s binding energy was higher than the G-DM system’s. Afatinib, unlike Gefitinib, induced the P-loop region to move downwards to decrease the pocket entrance size to accommodate Afatinib properly and stably in the A-DM (Afatinib in complex with DM) system. These results uncover the details of interactions between EGFR and its inhibitors and shed light on the design of new tyrosine kinase inhibitors.
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20
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Shi C, Zhang C, Fu Z, Liu J, Zhou Y, Cheng B, Wang C, Li S, Zhang Y. Antitumor activity of aumolertinib, a third-generation EGFR tyrosine kinase inhibitor, in non-small-cell lung cancer harboring uncommon EGFR mutations. Acta Pharm Sin B 2023. [DOI: 10.1016/j.apsb.2023.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023] Open
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21
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Du Z, Sun J, Zhang Y, Hesilaiti N, Xia Q, Cui H, Fan N, Xu X. Structure-Guided Strategies of Targeted Therapies for Patients with EGFR-Mutant Non-Small Cell Lung Cancer. Biomolecules 2023; 13:biom13020210. [PMID: 36830579 PMCID: PMC9953181 DOI: 10.3390/biom13020210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/09/2023] [Accepted: 01/11/2023] [Indexed: 01/24/2023] Open
Abstract
Oncogenic mutations within the EGFR kinase domain are well-established driver mutations in non-small cell lung cancer (NSCLC). Small-molecule tyrosine kinase inhibitors (TKIs) specifically targeting these mutations have improved treatment outcomes for patients with this subtype of NSCLC. The selectivity of these targeted agents is based on the location of the mutations within the exons of the EGFR gene, and grouping mutations based on structural similarities has proved a useful tool for conceptualizing the heterogeneity of TKI response. Structure-based analysis of EGFR mutations has influenced TKI development, and improved structural understanding will inform continued therapeutic development and further improve patient outcomes. In this review, we summarize recent progress on targeted therapy strategies for patients with EGFR-mutant NSCLC based on structure and function analysis.
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Affiliation(s)
- Zhenfang Du
- Department of Genetic and Developmental Biology, School of Medicine, Southeast University, Nanjing 210003, China
- Correspondence: ; Tel.: +86-025-83792462
| | - Jinghan Sun
- School of Life Science and Technology, Southeast University, Nanjing 210018, China
| | | | - Nigaerayi Hesilaiti
- Department of Genetic and Developmental Biology, School of Medicine, Southeast University, Nanjing 210003, China
| | - Qi Xia
- Department of Genetic and Developmental Biology, School of Medicine, Southeast University, Nanjing 210003, China
| | - Heqing Cui
- Department of Radiotherapy, Nanjing Chest Hospital, Nanjing Medical University Affiliated Brain Hospital, Nanjing 210029, China
| | - Na Fan
- Department of Respiratory Medicine and Critical Care Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
| | - Xiaofang Xu
- Department of Thoracic Surgery, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou 310022, China
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22
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Basu D, Pal R, Sarkar M, Barma S, Halder S, Roy H, Nandi S, Samadder A. To Investigate Growth Factor Receptor Targets and Generate Cancer Targeting Inhibitors. Curr Top Med Chem 2023; 23:2877-2972. [PMID: 38164722 DOI: 10.2174/0115680266261150231110053650] [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: 05/26/2023] [Revised: 09/20/2023] [Accepted: 10/02/2023] [Indexed: 01/03/2024]
Abstract
Receptor tyrosine kinase (RTK) regulates multiple pathways, including Mitogenactivated protein kinases (MAPKs), PI3/AKT, JAK/STAT pathway, etc. which has a significant role in the progression and metastasis of tumor. As RTK activation regulates numerous essential bodily processes, including cell proliferation and division, RTK dysregulation has been identified in many types of cancers. Targeting RTK is a significant challenge in cancer due to the abnormal upregulation and downregulation of RTK receptors subfamily EGFR, FGFR, PDGFR, VEGFR, and HGFR in the progression of cancer, which is governed by multiple RTK receptor signalling pathways and impacts treatment response and disease progression. In this review, an extensive focus has been carried out on the normal and abnormal signalling pathways of EGFR, FGFR, PDGFR, VEGFR, and HGFR and their association with cancer initiation and progression. These are explored as potential therapeutic cancer targets and therefore, the inhibitors were evaluated alone and merged with additional therapies in clinical trials aimed at combating global cancer.
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Affiliation(s)
- Debroop Basu
- Cell and Developmental Biology Special, Department of Zoology, University of Kalyani, Kalyani, Nadia, 741235, India
| | - Riya Pal
- Cell and Developmental Biology Special, Department of Zoology, University of Kalyani, Kalyani, Nadia, 741235, IndiaIndia
| | - Maitrayee Sarkar
- Cell and Developmental Biology Special, Department of Zoology, University of Kalyani, Kalyani, Nadia, 741235, India
| | - Soubhik Barma
- Cell and Developmental Biology Special, Department of Zoology, University of Kalyani, Kalyani, Nadia, 741235, India
| | - Sumit Halder
- Cell and Developmental Biology Special, Department of Zoology, University of Kalyani, Kalyani, Nadia, 741235, India
| | - Harekrishna Roy
- Nirmala College of Pharmacy, Vijayawada, Guntur, Andhra Pradesh, India
| | - Sisir Nandi
- Global Institute of Pharmaceutical Education and Research (Affiliated to Uttarakhand Technical University), Kashipur, 244713, India
| | - Asmita Samadder
- Cell and Developmental Biology Special, Department of Zoology, University of Kalyani, Kalyani, Nadia, 741235, India
- Cytogenetics and Molecular Biology Lab., Department of Zoology, University of Kalyani, Kalyani, Nadia, 741235, India
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23
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Al-Huseini I, Sirasanagandla SR, Babu KS, Sofin RGS, Das S. Kinase Inhibitors Involved in the Regulation of Autophagy: Molecular Concepts and Clinical Implications. Curr Med Chem 2023; 30:1502-1528. [PMID: 35078392 DOI: 10.2174/0929867329666220117114306] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/08/2021] [Accepted: 11/22/2021] [Indexed: 11/22/2022]
Abstract
All cells and intracellular components are remodeled and recycled in order to replace the old and damaged cells. Autophagy is a process by which damaged, and unwanted cells are degraded in the lysosomes. There are three different types of autophagy: macroautophagy, microautophagy, and chaperone-mediated autophagy. Autophagy has an effect on adaptive and innate immunity, suppression of any tumour, and the elimination of various microbial pathogens. The process of autophagy has both positive and negative effects, and this pertains to any specific disease or its stage of progression. Autophagy involves various processes which are controlled by various signaling pathways, such as Jun N-terminal kinase, GSK3, ERK1, Leucine-rich repeat kinase 2, and PTEN-induced putative kinase 1 and parkin RBR E3. Protein kinases are also important for the regulation of autophagy as they regulate the process of autophagy either by activation or inhibition. The present review discusses the kinase catalyzed phosphorylated reactions, the kinase inhibitors, types of protein kinase inhibitors and their binding properties to protein kinase domains, the structures of active and inactive kinases, and the hydrophobic spine structures in active and inactive protein kinase domains. The intervention of autophagy by targeting specific kinases may form the mainstay of treatment of many diseases and lead the road to future drug discovery.
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Affiliation(s)
- Isehaq Al-Huseini
- Department of Physiology, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Al-Khodh 123, Oman
| | - Srinivasa Rao Sirasanagandla
- Department of Human and Clinical Anatomy, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Al-Khodh 123, Oman
| | - Kondaveeti Suresh Babu
- Department of Biochemistry, Symbiosis Medical College for Women, Symbiosis International (Deemed) University, Pune, Maharashtra, India
| | | | - Srijit Das
- Department of Human and Clinical Anatomy, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Al-Khodh 123, Oman
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24
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Gai C, Harnor SJ, Zhang S, Cano C, Zhuang C, Zhao Q. Advanced approaches of developing targeted covalent drugs. RSC Med Chem 2022; 13:1460-1475. [PMID: 36561076 PMCID: PMC9749957 DOI: 10.1039/d2md00216g] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 09/20/2022] [Indexed: 11/07/2022] Open
Abstract
In recent years, the development of targeted covalent inhibitors has gained popularity around the world. Specific groups (electrophilic warheads) form irreversible bonds with the side chain of nucleophilic amino acid residues, thus changing the function of biological targets such as proteins. Since the first targeted covalent inhibitor was disclosed in the 1990s, great efforts have been made to develop covalent ligands from known reversible leads or drugs by addition of tolerated electrophilic warheads. However, high reactivity and "off-target" toxicity remain challenging issues. This review covers the concept of targeted covalent inhibition to diseases, discusses traditional and interdisciplinary strategies of cysteine-focused covalent drug discovery, and exhibits newly disclosed electrophilic warheads majorly targeting the cysteine residue. Successful applications to address the challenges of designing effective covalent drugs are also introduced.
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Affiliation(s)
- Conghao Gai
- Organic Chemistry Group, College of Pharmacy, Naval Medical University Shanghai 200433 P. R. China
| | - Suzannah J Harnor
- Cancer Research UK Newcastle Drug Discovery Unit, Newcastle University Centre for Cancer, School of Natural and Environmental Sciences, Bedson Building, Newcastle University Newcastle upon Tyne NE1 7RU UK
| | - Shihao Zhang
- Organic Chemistry Group, College of Pharmacy, Naval Medical University Shanghai 200433 P. R. China
| | - Céline Cano
- Cancer Research UK Newcastle Drug Discovery Unit, Newcastle University Centre for Cancer, School of Natural and Environmental Sciences, Bedson Building, Newcastle University Newcastle upon Tyne NE1 7RU UK
| | - Chunlin Zhuang
- Organic Chemistry Group, College of Pharmacy, Naval Medical University Shanghai 200433 P. R. China
| | - Qingjie Zhao
- Organic Chemistry Group, College of Pharmacy, Naval Medical University Shanghai 200433 P. R. China
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25
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Zhou Y, Xiang S, Yang F, Lu X. Targeting Gatekeeper Mutations for Kinase Drug Discovery. J Med Chem 2022; 65:15540-15558. [PMID: 36395392 DOI: 10.1021/acs.jmedchem.2c01361] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Clinically acquired resistance is a major challenge in cancer therapies with small-molecule kinase inhibitors (SMKIs). Gatekeeper mutations in the ATP-binding pocket of kinases are the most common mutations leading to acquired resistance. To date, seven new-generation kinase inhibitors targeting gatekeeper mutations have been approved by the FDA; however, the clinical need is still unmet. Here, we systematically summarize the types of gatekeeper mutations across the kinase family, the structural basis for acquired resistance, and newly developed SMKIs targeting gatekeeper mutations as well as highlight the opportunities and challenges of kinase drug discovery for targeting gatekeeper mutations.
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Affiliation(s)
- Yang Zhou
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), School of Pharmacy, Jinan University, 855 Xingye Avenue, Guangzhou 510632, China
| | - Shuang Xiang
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), School of Pharmacy, Jinan University, 855 Xingye Avenue, Guangzhou 510632, China
| | - Fang Yang
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), School of Pharmacy, Jinan University, 855 Xingye Avenue, Guangzhou 510632, China
| | - Xiaoyun Lu
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), School of Pharmacy, Jinan University, 855 Xingye Avenue, Guangzhou 510632, China
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26
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Opo FADM, Moulay M, Zari A, Alqaderi A, Alkarim S, Zari T, Bhuiyan MA, Mahmoud MM, Aljoud F, Suhail M, Edris S, Ramadan WS, Kamal MA, Nemmiche S, Ahammad F. Pharmacophore-based virtual screening approaches to identify novel molecular candidates against EGFR through comprehensive computational approaches and in-vitro studies. Front Pharmacol 2022; 13:1027890. [PMID: 36457709 PMCID: PMC9707641 DOI: 10.3389/fphar.2022.1027890] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/20/2022] [Indexed: 09/06/2023] Open
Abstract
Alterations to the EGFR (epidermal growth factor receptor) gene, which primarily occur in the axon 18-21 position, have been linked to a variety of cancers, including ovarian, breast, colon, and lung cancer. The use of TK inhibitors (gefitinib, erlotinib, lapatinib, and afatinib) and monoclonal antibodies (cetuximab, panitumumab, and matuzumab) in the treatment of advanced-stage cancer is very common. These drugs are becoming less effective in EGFR targeted cancer treatment and developing resistance to cancer cell eradication, which sometimes necessitates stopping treatment due to the side effects. One in silico study has been conducted to identify EGFR antagonists using other compounds, databases without providing the toxicity profile, comparative analyses, or morphological cell death pattern. The goal of our study was to identify potential lead compounds, and we identified seven compounds based on the docking score and four compounds that were chosen for our study, utilizing toxicity analysis. Molecular docking, virtual screening, dynamic simulation, and in-vitro screening indicated that these compounds' effects were superior to those of already marketed medication (gefitinib). The four compounds obtained, ZINC96937394, ZINC14611940, ZINC103239230, and ZINC96933670, demonstrated improved binding affinity (-9.9 kcal/mol, -9.6 kcal/mol, -9.5 kcal/mol, and -9.2 kcal/mol, respectively), interaction stability, and a lower toxicity profile. In silico toxicity analysis showed that our compounds have a lower toxicity profile and a higher LD50 value. At the same time, a selected compound, i.e., ZINC103239230, was revealed to attach to a particular active site and bind more tightly to the protein, as well as show better in-vitro results when compared to our selected gefitinib medication. MTT assay, gene expression analysis (BAX, BCL-2, and β-catenin), apoptosis analysis, TEM, cell cycle assay, ELISA, and cell migration assays were conducted to perform the cell death analysis of lung cancer and breast cancer, compared to the marketed product. The MTT assay exhibited 80% cell death for 75 µM and 100µM; however, flow cytometry analysis with the IC50 value demonstrated that the selected compound induced higher apoptosis in MCF-7 (30.8%) than in A549.
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Affiliation(s)
- F A Dain Md Opo
- Department of Biological Science, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
- Embryonic Stem Cell Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed Moulay
- Embryonic Stem Cell Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Embryonic and Cancer Stem Cell Research Group, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Biology, Abdelhamid ibn Badis University, Mostaganem, Algeria
| | - Ali Zari
- Department of Biological Science, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
- Embryonic and Cancer Stem Cell Research Group, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Afnan Alqaderi
- Department of Biological Science, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Saleh Alkarim
- Department of Biological Science, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
- Embryonic Stem Cell Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Embryonic and Cancer Stem Cell Research Group, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Talal Zari
- Department of Biological Science, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | - Maged Mostafa Mahmoud
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Molecular Genetics and Enzymology Department, Human Genetics and Genome Research Institute, National Research Centre, Cairo, Egypt
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Fadwa Aljoud
- Department of Biological Science, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
- Regenerative Medicine Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohd Suhail
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sherif Edris
- Department of Biological Science, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
- Embryonic and Cancer Stem Cell Research Group, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Princess Al-Jawhara Al-Brahim Centre of Excellence in Research of Hereditary Disorders (PACER-HD), Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Wafaa S. Ramadan
- Embryonic and Cancer Stem Cell Research Group, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Anatomy, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammad Amjad Kamal
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Saïd Nemmiche
- Department of Biology, Abdelhamid ibn Badis University, Mostaganem, Algeria
| | - Foysal Ahammad
- Department of Biological Science, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
- Division of Biological and Biomedical Sciences (BBS), College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Doha, Qatar
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27
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Biochemical and structural basis for differential inhibitor sensitivity of EGFR with distinct exon 19 mutations. Nat Commun 2022; 13:6791. [PMID: 36357385 PMCID: PMC9649653 DOI: 10.1038/s41467-022-34398-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 10/19/2022] [Indexed: 11/11/2022] Open
Abstract
Tyrosine kinase inhibitors (TKIs) are used to treat non-small cell lung cancers (NSCLC) driven by epidermal growth factor receptor (EGFR) mutations in the tyrosine kinase domain (TKD). TKI responses vary across tumors driven by the heterogeneous group of exon 19 deletions and mutations, but the molecular basis for these differences is not understood. Using purified TKDs, we compared kinetic properties of several exon 19 variants. Although unaltered for the second generation TKI afatinib, sensitivity varied significantly for both the first and third generation TKIs erlotinib and osimertinib. The most sensitive variants showed reduced ATP-binding affinity, whereas those associated with primary resistance retained wild type ATP-binding characteristics (and low KM, ATP). Through crystallographic and hydrogen-deuterium exchange mass spectrometry (HDX-MS) studies, we identify possible origins for the altered ATP-binding affinity underlying TKI sensitivity and resistance, and propose a basis for classifying uncommon exon 19 variants that may have predictive clinical value.
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28
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Heppner DE, Wittlinger F, Beyett TS, Shaurova T, Urul DA, Buckley B, Pham CD, Schaeffner IK, Yang B, Ogboo BC, May EW, Schaefer EM, Eck MJ, Laufer SA, Hershberger PA. Structural Basis for Inhibition of Mutant EGFR with Lazertinib (YH25448). ACS Med Chem Lett 2022; 13:1856-1863. [DOI: 10.1021/acsmedchemlett.2c00213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 11/04/2022] [Indexed: 11/12/2022] Open
Affiliation(s)
- David E. Heppner
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14203, United States
| | - Florian Wittlinger
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Tyler S. Beyett
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Tatiana Shaurova
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14203, United States
| | - Daniel A. Urul
- AssayQuant Technologies, Inc., 260 Cedar Hill St., Marlboro, Massachusetts 01752, United States
| | - Brian Buckley
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14203, United States
| | - Calvin D. Pham
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Ilse K. Schaeffner
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Bo Yang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Blessing C. Ogboo
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Earl W. May
- AssayQuant Technologies, Inc., 260 Cedar Hill St., Marlboro, Massachusetts 01752, United States
| | - Erik M. Schaefer
- AssayQuant Technologies, Inc., 260 Cedar Hill St., Marlboro, Massachusetts 01752, United States
| | - Michael J. Eck
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Stefan A. Laufer
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
- Cluster of Excellence iFIT (EXC 2180) “Image-Guided and Functionally Instructed Tumor Therapies”, Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany
- Tübingen Center for Academic Drug Discovery & Development (TüCAD2), 72076 Tübingen, Germany
| | - Pamela A. Hershberger
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York 14203, United States
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29
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Kardile RA, Sarkate AP, Lokwani DK, Tiwari SV, Azad R, Thopate SR. Design, synthesis, and biological evaluation of novel quinoline derivatives as small molecule mutant EGFR inhibitors targeting resistance in NSCLC: In vitro screening and ADME predictions. Eur J Med Chem 2022; 245:114889. [DOI: 10.1016/j.ejmech.2022.114889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/21/2022] [Accepted: 10/24/2022] [Indexed: 12/24/2022]
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30
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Gan W, Wang C, Pan Q, Li Y, Guo Y, Fan D, Peng Y, Rao Z, Xu S, Zheng P, Zhu W. Discovery of novel 4-arylamino-quinazoline derivatives as EGFRL858R/T790M inhibitors with the potential to inhibit the non-small cell lung cancers. Bioorg Chem 2022; 127:105994. [DOI: 10.1016/j.bioorg.2022.105994] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 06/25/2022] [Accepted: 06/25/2022] [Indexed: 12/20/2022]
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31
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Jia T, Miao R, Lin J, Zhang C, Zeng L, Zhang J, Shao J, Pan Z, Wang H, Zhu H, Cheng W. Design, synthesis and biological evaluation of novel tumor hypoxia-activated EGFR tyrosine kinase inhibitors. Bioorg Chem 2022; 129:106138. [PMID: 36115310 DOI: 10.1016/j.bioorg.2022.106138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/29/2022] [Accepted: 09/05/2022] [Indexed: 11/16/2022]
Abstract
Hypoxia is widespread in solid tumors, such as NSCLC, and has become a very attractive target. On the basis of AZD9291 scaffold, novel hypoxia-targeted EGFR inhibitors without the acrylamide warhead but containing hypoxic reductive activation groups were described. Among them, compound JT21 exhibited impressive inhibitory activity (IC50 = 23 nM) against EGFRL858R/T790M and displayed about 21-fold inhibitory activity decrease against EGFRwt. Under hypoxia, JT21 exhibited more significant proliferation inhibitory activities against H1975 cells (IC50 = 7.39 ± 2.20 nM) and HCC827 cells (IC50 = 5.88 ± 0.85 nM) than that of AZD9291, which was about 5 times more effective than normoxia activities. Meanwhile, the weak inhibition effects on A549 and BEAS-2B cells suggested JT21 might be a selective inhibitor for EGFR mutations with low toxicity. Furthermore, JT21 could induce apoptosis of H1975 cells under hypoxia and showed good bio-reductive property.
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Affiliation(s)
- Tingting Jia
- School of Medicine, Zhejiang University City College, Hangzhou 310015, China; Department of Pharmacy, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, China
| | - Ruoyang Miao
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Jiaohua Lin
- Zhejiang Yongtai Technology Co. Ltd, Taizhou 317016, China
| | - Chong Zhang
- School of Medicine, Zhejiang University City College, Hangzhou 310015, China
| | - Linghui Zeng
- School of Medicine, Zhejiang University City College, Hangzhou 310015, China
| | - Jiankang Zhang
- School of Medicine, Zhejiang University City College, Hangzhou 310015, China
| | - Jiaan Shao
- School of Medicine, Zhejiang University City College, Hangzhou 310015, China
| | - Zongfu Pan
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou 310014, China
| | - Haiping Wang
- Hangzhou Children's Hospital, Hangzhou, 310014, China.
| | - Huajian Zhu
- School of Medicine, Zhejiang University City College, Hangzhou 310015, China.
| | - Weiyan Cheng
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China.
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32
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Barbosa G, Gelves LGV, Costa CMX, Franco LS, de Lima JAL, Aparecida-Silva C, Teixeira JD, Mermelstein CDS, Barreiro EJ, Lima LM. Discovery of Putative Dual Inhibitor of Tubulin and EGFR by Phenotypic Approach on LASSBio-1586 Homologs. Pharmaceuticals (Basel) 2022; 15:913. [PMID: 35893736 PMCID: PMC9394307 DOI: 10.3390/ph15080913] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 01/25/2023] Open
Abstract
Combretastatin A-4 (CA-4, 1) is an antimicrotubule agent used as a prototype for the design of several synthetic analogues with anti-tubulin activity, such as LASSBio-1586 (2). A series of branched and unbranched homologs of the lead-compound 2, and vinyl, ethinyl and benzyl analogues, were designed and synthesized. A comparison between the cytotoxic effect of these homologs and 2 on different human tumor cell lines was performed from a cell viability study using MTT with 48 h and 72 h incubations. In general, the compounds were less potent than CA-4, showing CC50 values ranging from 0.030 μM to 7.53 μM (MTT at 72 h) and 0.096 μM to 8.768 μM (MTT at 48 h). The antimitotic effect of the target compounds was demonstrated by cell cycle analysis through flow cytometry, and the cellular mechanism of cytotoxicity was determined by immunofluorescence. While the benzyl homolog 10 (LASSBio-2070) was shown to be a microtubule stabilizer, the lead-compound 2 (LASSBio-1586) and the methylated homolog 3 (LASSBio-1735) had microtubule destabilizing behavior. Molecular docking studies were performed on tubulin protein to investigate their binding mode on colchicine and taxane domain. Surprisingly, the benzyl homolog 10 was able to modulate EGFR phosphorylate activity in a phenotypic model. These data suggest LASSBio-2070 (10) as a putative dual inhibitor of tubulin and EGFR. Its binding mode with EGFR was determined by molecular docking and may be useful in lead-optimization initiatives.
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Affiliation(s)
- Gisele Barbosa
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR), Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (G.B.); (L.G.V.G.); (C.M.X.C.); (L.S.F.); (J.A.L.d.L.); (C.A.-S.); (E.J.B.)
- Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - Luis Gabriel Valdivieso Gelves
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR), Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (G.B.); (L.G.V.G.); (C.M.X.C.); (L.S.F.); (J.A.L.d.L.); (C.A.-S.); (E.J.B.)
- Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - Caroline Marques Xavier Costa
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR), Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (G.B.); (L.G.V.G.); (C.M.X.C.); (L.S.F.); (J.A.L.d.L.); (C.A.-S.); (E.J.B.)
- Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - Lucas Silva Franco
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR), Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (G.B.); (L.G.V.G.); (C.M.X.C.); (L.S.F.); (J.A.L.d.L.); (C.A.-S.); (E.J.B.)
- Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - João Alberto Lins de Lima
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR), Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (G.B.); (L.G.V.G.); (C.M.X.C.); (L.S.F.); (J.A.L.d.L.); (C.A.-S.); (E.J.B.)
- Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - Cristiane Aparecida-Silva
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR), Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (G.B.); (L.G.V.G.); (C.M.X.C.); (L.S.F.); (J.A.L.d.L.); (C.A.-S.); (E.J.B.)
- Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - John Douglas Teixeira
- Laboratório de Diferenciação Muscular e Citoesqueleto, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (J.D.T.); (C.d.S.M.)
| | - Claudia dos Santos Mermelstein
- Laboratório de Diferenciação Muscular e Citoesqueleto, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (J.D.T.); (C.d.S.M.)
| | - Eliezer J. Barreiro
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR), Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (G.B.); (L.G.V.G.); (C.M.X.C.); (L.S.F.); (J.A.L.d.L.); (C.A.-S.); (E.J.B.)
- Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - Lidia Moreira Lima
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR), Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (G.B.); (L.G.V.G.); (C.M.X.C.); (L.S.F.); (J.A.L.d.L.); (C.A.-S.); (E.J.B.)
- Programa de Pós-graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
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Hassanin MA, Mustafa M, Abourehab MAS, Hassan HA, Aly OM, Beshr EAM. Design and Synthesis of New Hydantoin Acetanilide Derivatives as Anti-NSCLC Targeting EGFRL858R/T790M Mutations. Pharmaceuticals (Basel) 2022; 15:ph15070857. [PMID: 35890154 PMCID: PMC9317481 DOI: 10.3390/ph15070857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 06/22/2022] [Accepted: 06/25/2022] [Indexed: 02/04/2023] Open
Abstract
Epidermal Growth Factor Receptor (EGFR), its wild type and mutations L858R/T790M, is overexpressed in non-small cell lung cancer (NSCLC) patients and is considered an inevitable oncology target. However, while the potential EGFR inhibitors have been represented in the literature, their cellular activity failed to establish broad potency against EGFR and its mutations. This study identifies a new series of EGFRL858R/T790M inhibitors bearing hydantoin acetanilides. Most compounds revealed strong antiproliferative activity in a range of NSCL cancer models (A549, H1975, and PC9), in which 5a and 5f were the most potent. Compounds 5a and 5f possessed potent anticancer activity on H1975 cells with IC50 values of 1.94 and 1.38 µM, respectively, compared to 9.70 µM for erlotinib. Favorably, 5a and 5f showed low activity on WI-38 normal cells. Western blotting and an EGFR kinase assay test proved the significant EGFR inhibitory activity of 5a. Besides, active hydantoin derivative 5a strongly arrested the cell cycle at the sub G1 and S phases and triggered apoptosis in A549 cells. These results imply that 5a could be considered a promising lead compound for additional development as a potential active agent for anticancer therapy.
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Affiliation(s)
- Moamen A. Hassanin
- Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt; (M.A.H.); (H.A.H.); (E.A.M.B.)
| | - Muhamad Mustafa
- Department of Medicinal Chemistry, Faculty of Pharmacy, Deraya University, Minia 61111, Egypt
- Correspondence: or (M.M.); or (O.M.A.); Tel.: +20-1007620894 (M.M.); +20-1065607771 (O.M.A.)
| | - Mohammed A. S. Abourehab
- Department of Pharmaceutics, Faculty of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia;
| | - Heba A. Hassan
- Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt; (M.A.H.); (H.A.H.); (E.A.M.B.)
| | - Omar M. Aly
- Department of Medicinal Chemistry, Faculty of Pharmacy, Port Said University, Port Said 42511, Egypt
- Correspondence: or (M.M.); or (O.M.A.); Tel.: +20-1007620894 (M.M.); +20-1065607771 (O.M.A.)
| | - Eman A. M. Beshr
- Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt; (M.A.H.); (H.A.H.); (E.A.M.B.)
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34
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Li Y, Liu S, Wang J, Rui X, Tian H, Li C, Guo C. In Silico Studies of Piperidine Derivatives as Protein Kinase B Inhibitors
through 3D-QSAR, Molecular Docking and Molecular Dynamics Simulation. LETT DRUG DES DISCOV 2022. [DOI: 10.2174/1570180818666211207105516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Protein kinase B (Akt) is a serine/threonine-protein kinase that drives the diverse
physiological process. Akt is a promising therapeutic target, which involves cancer cell growth, survival,
proliferation and metabolism.
Objective:
The study aims to design highly active Akt inhibitors, and to elucidate the structural requirements
for their biological activity, we analyzed the key binding features and summarized the structural
determinants for their bioactivities.
Methods:
A series of piperidine derivatives have been investigated employing three-dimensional quantitative
structure-activity relationship (3D-QSAR), molecular docking and molecular dynamics simulation.
Results:
The statistics of the comparative molecular field analysis (CoMFA) model (Q2=0.631, R2=0.951)
and the comparative molecular similarity index analysis (CoMSIA) model (Q2=0.663, R2=0.966) indicated
that our 3D-QSAR model was accurate and reliable. Besides, the stability of receptor-ligand interactions
under physiological conditions was then evaluated by molecular dynamics simulation, in agreement
with the molecular docking results.
Conclusion:
Our study provided valuable insights for the discovery of potent Akt inhibitors.
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Affiliation(s)
- Yaxin Li
- Department of Pharmacy, Hebei North University, Zhangjiakou 075000, P.R. China
- Hebei Key Laboratory of Neuropharmacology,
Hebei North University, Zhangjiakou 075000, P.R. China
| | - Sisi Liu
- Department of Pharmacy, Hebei North University, Zhangjiakou 075000, P.R. China
- Hebei Key Laboratory of Neuropharmacology,
Hebei North University, Zhangjiakou 075000, P.R. China
| | - Jin Wang
- Department of Pharmacy, Hebei North University, Zhangjiakou 075000, P.R. China
- Hebei Key Laboratory of Neuropharmacology,
Hebei North University, Zhangjiakou 075000, P.R. China
| | - Xue Rui
- Department of Pharmacy, Hebei North University, Zhangjiakou 075000, P.R. China
| | - Haobo Tian
- Department of Pharmacy, Hebei North University, Zhangjiakou 075000, P.R. China
| | - Chenshuo Li
- Department of Pharmacy, Hebei North University, Zhangjiakou 075000, P.R. China
| | - Chunyan Guo
- Department of Pharmacy, Hebei North University, Zhangjiakou 075000, P.R. China
- Hebei Key Laboratory of Neuropharmacology,
Hebei North University, Zhangjiakou 075000, P.R. China
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35
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Ding S, Gao Z, Hu Z, Qi R, Zheng X, Dong X, Zhang M, Shen J, Long T, Zhu Y, Tian L, Song W, Liu R, Li Y, Sun J, Duan W, Liu J, Chen Y. Design, synthesis and biological evaluation of novel osimertinib derivatives as reversible EGFR kinase inhibitors. Eur J Med Chem 2022; 238:114492. [DOI: 10.1016/j.ejmech.2022.114492] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/19/2022] [Accepted: 05/23/2022] [Indexed: 01/04/2023]
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36
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Discovery of highly potent and selective CRBN-recruiting EGFRL858R/T790M degraders in vivo. Eur J Med Chem 2022; 238:114509. [DOI: 10.1016/j.ejmech.2022.114509] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/24/2022] [Accepted: 05/30/2022] [Indexed: 01/09/2023]
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37
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One-step synthesis of picolinohydrazides from fusaric acid: DFT, structural characterization and molecular inhibitory studies on metastatic tumor-derived exosomal and non-exosomal proteins. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132442] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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38
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Chen H, Lai M, Zhang T, Chen Y, Tong L, Zhu S, Zhou Y, Ren X, Ding J, Xie H, Lu X, Ding K. Conformational Constrained 4-(1-Sulfonyl-3-indol)yl-2-phenylaminopyrimidine Derivatives as New Fourth-Generation Epidermal Growth Factor Receptor Inhibitors Targeting T790M/C797S Mutations. J Med Chem 2022; 65:6840-6858. [PMID: 35446588 DOI: 10.1021/acs.jmedchem.2c00168] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Tertiary C797S mutation of epidermal growth factor receptor (EGFR)-mediated resistance in non-small-cell-lung-cancer (NSCLC) patients is still an unmet clinical need. Several classes of adenosine 5'-triphosphate-competitive or allosteric EGFRT790M/C797S inhibitors and degraders have been developed, but none of them have received approval from the regulatory agencies. Herein, we report the structure-based design of conformational constrained 4-(1-ethylsufonyl-3-indolyl)-2-phenylaminopyrimidines as new EGFRT790M/C797S inhibitors by using a macrocyclization strategy. Representative compound 18j potently inhibited EGFR19del/T790M/C797S and EGFRL858R/T790M/C797S mutants with IC50 values of 15.8 and 23.6 nM and suppressed Ba/F3-EGFRL858R/T790M/C797S and Ba/F3-EGFR19del/T790M/C797S cells with IC50 values of 0.036 and 0.052 μM, respectively, which is 10-20-fold more potent than brigatinib. 18j also potently inhibited the EGFR19del/T790M/C797S-mutated PC-9-OR NSCLC cell proliferation with an IC50 value of 0.644 μM but was less potent for parental Ba/F3 and A431 cells. This study provides a new lead compound for drug discovery to combat EGFRC797S-mediated resistance in NSCLC patients.
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Affiliation(s)
- Hao Chen
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy and the 1st Affiliated Hospital (Huaqiao Hospital), Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Mengzhen Lai
- Division of Antitumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, #555 Zuchongzhi Road, Shanghai 201203, China.,Department of Pharmacology, School of Pharmacy, Fudan University, #826 Zhangheng Road, Shanghai 201203, China
| | - Tao Zhang
- Division of Antitumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, #555 Zuchongzhi Road, Shanghai 201203, China
| | - Yuqing Chen
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy and the 1st Affiliated Hospital (Huaqiao Hospital), Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Linjiang Tong
- Division of Antitumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, #555 Zuchongzhi Road, Shanghai 201203, China
| | - Sujie Zhu
- Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao 266021, China
| | - Yang Zhou
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy and the 1st Affiliated Hospital (Huaqiao Hospital), Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Xiaomei Ren
- State Key Laboratory of Bioorganic and Nature Product Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, #345 Lingling Road, Shanghai 200032, China
| | - Jian Ding
- Division of Antitumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, #555 Zuchongzhi Road, Shanghai 201203, China.,University of Chinese Academy of Sciences, #19 Yuquan Road, Beijing 100049, China
| | - Hua Xie
- Division of Antitumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, #555 Zuchongzhi Road, Shanghai 201203, China.,Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Cuiheng New District, Zhongshan 528400, China.,University of Chinese Academy of Sciences, #19 Yuquan Road, Beijing 100049, China
| | - Xiaoyun Lu
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy and the 1st Affiliated Hospital (Huaqiao Hospital), Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Ke Ding
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy and the 1st Affiliated Hospital (Huaqiao Hospital), Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China.,State Key Laboratory of Bioorganic and Nature Product Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, #345 Lingling Road, Shanghai 200032, China
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Song C, Yang X. Osimertinib-Centered Therapy Against Uncommon Epidermal Growth Factor Receptor-Mutated Non-Small-Cell Lung Cancer- A Mini Review. Front Oncol 2022; 12:834585. [PMID: 35494059 PMCID: PMC9047874 DOI: 10.3389/fonc.2022.834585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 03/21/2022] [Indexed: 11/21/2022] Open
Abstract
Osimertinib is a third-generation, irreversible mutant epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor that is approved by the U.S. Food and Drug Administration (FDA) and European Medicines Agency (EMA). Osimertinib is currently the first line drug recommended by National Comprehensive Cancer Network (NCCN) guidelines against lung cancer harboring the EGFR TKI-sensitive mutation and acquired EGFR T790M resistance mutation. Osimertinib demonstrated some efficacy in clinical trials and case reports in patients bearing certain uncommon EGFR mutations, but it is not active in patients with other mutations such as C797S. This mini-review presents the mechanisms underlying the variations in patient responses, discusses the use of osimertinib against non-small-cell lung carcinomas with uncommon EGFR mutations, and addresses the future prospects of osimertinib-centered therapy.
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Affiliation(s)
| | - Xueying Yang
- The Department of Thoracic and Cardiovascular Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
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40
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Mohi El-Deen EM, Anwar MM, Abd El-Gwaad AA, Karam EA, El-Ashrey MK, Kassab RR. Design and synthesis of some novel pyridothienopyrimidine derivatives and their biological evaluation as antimicrobial and anticancer agents targeting EGFR enzyme. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103751] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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41
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Vicencio JM, Evans R, Green R, An Z, Deng J, Treacy C, Mustapha R, Monypenny J, Costoya C, Lawler K, Ng K, De-Souza K, Coban O, Gomez V, Clancy J, Chen SH, Chalk A, Wong F, Gordon P, Savage C, Gomes C, Pan T, Alfano G, Dolcetti L, Chan JNE, Flores-Borja F, Barber PR, Weitsman G, Sosnowska D, Capone E, Iacobelli S, Hochhauser D, Hartley JA, Parsons M, Arnold JN, Ameer-Beg S, Quezada SA, Yarden Y, Sala G, Ng T. Osimertinib and anti-HER3 combination therapy engages immune dependent tumor toxicity via STING activation in trans. Cell Death Dis 2022; 13:274. [PMID: 35347108 PMCID: PMC8960767 DOI: 10.1038/s41419-022-04701-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/07/2022] [Accepted: 03/01/2022] [Indexed: 11/28/2022]
Abstract
Over the past decade, immunotherapy delivered novel treatments for many cancer types. However, lung cancer still leads cancer mortality, and non-small-cell lung carcinoma patients with mutant EGFR cannot benefit from checkpoint inhibitors due to toxicity, relying only on palliative chemotherapy and the third-generation tyrosine kinase inhibitor (TKI) osimertinib. This new drug extends lifespan by 9-months vs. second-generation TKIs, but unfortunately, cancers relapse due to resistance mechanisms and the lack of antitumor immune responses. Here we explored the combination of osimertinib with anti-HER3 monoclonal antibodies and observed that the immune system contributed to eliminate tumor cells in mice and co-culture experiments using bone marrow-derived macrophages and human PBMCs. Osimertinib led to apoptosis of tumors but simultaneously, it triggered inositol-requiring-enzyme (IRE1α)-dependent HER3 upregulation, increased macrophage infiltration, and activated cGAS in cancer cells to produce cGAMP (detected by a lentivirally transduced STING activity biosensor), transactivating STING in macrophages. We sought to target osimertinib-induced HER3 upregulation with monoclonal antibodies, which engaged Fc receptor-dependent tumor elimination by macrophages, and STING agonists enhanced macrophage-mediated tumor elimination further. Thus, by engaging a tumor non-autonomous mechanism involving cGAS-STING and innate immunity, the combination of osimertinib and anti-HER3 antibodies could improve the limited therapeutic and stratification options for advanced stage lung cancer patients with mutant EGFR.
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Affiliation(s)
- J M Vicencio
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK.
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK.
| | - R Evans
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - R Green
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - Z An
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - J Deng
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - C Treacy
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - R Mustapha
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - J Monypenny
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - C Costoya
- Cancer Immunology Unit, Cancer Institute, University College London, London, UK
| | - K Lawler
- Wellcome Trust-MRC Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge, UK
| | - K Ng
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - K De-Souza
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - O Coban
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - V Gomez
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK
| | - J Clancy
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK
| | - S H Chen
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK
| | - A Chalk
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK
| | - F Wong
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - P Gordon
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - C Savage
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - C Gomes
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK
| | - T Pan
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - G Alfano
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - L Dolcetti
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - J N E Chan
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - F Flores-Borja
- Centre for Immunobiology and Regenerative Medicine, Barts & The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - P R Barber
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - G Weitsman
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - D Sosnowska
- School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - E Capone
- Department of Innovative Technologies in Medicine & Dentistry, University of Chieti-Pescara, Center for Advanced Studies and Technology (CAST), Chieti, Italy
| | | | - D Hochhauser
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK
| | - J A Hartley
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK
| | - M Parsons
- Randall Centre for Cell and Molecular Biophysics, King's College London, London, UK
| | - J N Arnold
- School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - S Ameer-Beg
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK
| | - S A Quezada
- Cancer Immunology Unit, Cancer Institute, University College London, London, UK
| | - Y Yarden
- Department of Biological Regulation, The Weizmann Institute of Science, Rehovot, Israel
| | - G Sala
- Department of Innovative Technologies in Medicine & Dentistry, University of Chieti-Pescara, Center for Advanced Studies and Technology (CAST), Chieti, Italy
| | - T Ng
- Molecular Oncology Group, Cancer Institute, Paul O'Gorman Building, University College London, London, UK.
- Richard Dimbleby Laboratory of Cancer Research, School of Cancer & Pharmaceutical Sciences, King's College London, London, UK.
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Hashem HE, Amr AEGE, Nossier ES, Anwar MM, Azmy EM. New Benzimidazole-, 1,2,4-Triazole-, and 1,3,5-Triazine-Based Derivatives as Potential EGFR WT and EGFR T790M Inhibitors: Microwave-Assisted Synthesis, Anticancer Evaluation, and Molecular Docking Study. ACS OMEGA 2022; 7:7155-7171. [PMID: 35252706 PMCID: PMC8892849 DOI: 10.1021/acsomega.1c06836] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 01/24/2022] [Indexed: 06/12/2023]
Abstract
A new series of benzimidazole, 1,2,4-triazole, and 1,3,5-triazine derivatives were designed and synthesized using a microwave irradiation synthetic approach utilizing 2-phenylacetyl isothiocyanate (1) as a key starting material. All the new analogues were evaluated as anticancer agents against a panel of cancer cell lines utilizing doxorubicin as a standard drug. Most of the tested derivatives exhibited selective cytotoxic activity against MCF-7 and A-549 cancer cell lines. Furthermore, the new target compounds 5, 6, and 7 as the most potent antiproliferative agents have been assessed as in vitro EGFRWT and EGFRT790M inhibitors compared to the reference drugs erlotinib and AZD9291. They represented more potent suppression activity against the mutated EGFRT790M than the wild-type EGFRWT. Moreover, the compounds 5, 6, and 7 down-regulated the oncogenic parameter p53 ubiquitination. A docking simulation of compound 6b was carried out to correlate its molecular structure with its significant EGFR inhibition potency and its possible binding interactions within the active site of EGFRWT and the mutant EGFRT790M.
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Affiliation(s)
- Heba E. Hashem
- Department
of Chemistry, Faculty of Women, Ain Shams
University, Heliopolis, Cairo 11757, Egypt
| | - Abd El-Galil E. Amr
- Pharmaceutical
Chemistry Department, Drug Exploration & Development Chair (DEDC),
College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Applied
Organic Chemistry Department, National Research
Center, Dokki, Cairo 12622, Egypt
| | - Eman S. Nossier
- Pharmaceutical
Medicinal Chemistry and Drug Design Department, Faculty of Pharmacy
(Girls), Al-Azhar University, Cairo 11754, Egypt
| | - Manal M. Anwar
- Department
of Therapeutic Chemistry, National Research
Centre, Dokki, Cairo 12622, Egypt
| | - Eman M. Azmy
- Department
of Chemistry, Faculty of Women, Ain Shams
University, Heliopolis, Cairo 11757, Egypt
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43
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Mishiro K, Nishii R, Sawazaki I, Sofuku T, Fuchigami T, Sudo H, Effendi N, Makino A, Kiyono Y, Shiba K, Taki J, Kinuya S, Ogawa K. Development of Radiohalogenated Osimertinib Derivatives as Imaging Probes for Companion Diagnostics of Osimertinib. J Med Chem 2022; 65:1835-1847. [PMID: 35015529 DOI: 10.1021/acs.jmedchem.1c01211] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Osimertinib is an epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor approved for treating non-small-cell lung cancer (NSCLC) with EGFR mutations. Genetic testing is required to detect the mutation for selecting patients who can use osimertinib. Here, we report an attempt to develop nuclear imaging probes that detect the EGFR mutations. We designed and synthesized I-osimertinib and Br-osimertinib with a radioactive or nonradioactive halogen atom at an indole ring in osimertinib and evaluated them. In vitro assays suggested that both I-osimertinib and Br-osimertinib exhibit a specifically high activity toward NSCLC with EGFR L858R/T790M mutations. In biodistribution experiments, the accumulation of both [125I]I-osimertinib and [77Br]Br-osimertinib in tumors with mutations was significantly higher than that in blood and muscle. However, these osimertinib derivatives showed a significantly higher accumulation in lungs than in tumors. Therefore, for detecting the mutations in lung cancer, further structural modifications of the probes are required.
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Affiliation(s)
- Kenji Mishiro
- Institute for Frontier Science Initiative, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Ryuichi Nishii
- Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology (QST) Chiba, Inage-ku, Chiba 263-8555, Japan
| | - Izumi Sawazaki
- Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Tomoki Sofuku
- Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Takeshi Fuchigami
- Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Hitomi Sudo
- Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology (QST) Chiba, Inage-ku, Chiba 263-8555, Japan
| | - Nurmaya Effendi
- Institute for Frontier Science Initiative, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Akira Makino
- Biomedical Imaging Research Center, University of Fukui, Eiheiji-cho, Yoshida-gun, Fukui 910-1193, Japan
| | - Yasushi Kiyono
- Biomedical Imaging Research Center, University of Fukui, Eiheiji-cho, Yoshida-gun, Fukui 910-1193, Japan
| | - Kazuhiro Shiba
- Research Center for Experimental Modeling of Human Disease, Kanazawa University, Takara-machi 13-1, Kanazawa, Ishikawa 920-8640, Japan
| | - Junichi Taki
- Department of Nuclear Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Takara-machi 13-1, Kanazawa, Ishikawa 920-8641, Japan
| | - Seigo Kinuya
- Department of Nuclear Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Takara-machi 13-1, Kanazawa, Ishikawa 920-8641, Japan
| | - Kazuma Ogawa
- Institute for Frontier Science Initiative, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
- Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
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44
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Structural Insight and Development of EGFR Tyrosine Kinase Inhibitors. Molecules 2022; 27:molecules27030819. [PMID: 35164092 PMCID: PMC8838133 DOI: 10.3390/molecules27030819] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/23/2022] [Accepted: 01/24/2022] [Indexed: 12/12/2022] Open
Abstract
Lung cancer has a high prevalence, with a growing number of new cases and mortality every year. Furthermore, the survival rate of patients with non-small-cell lung carcinoma (NSCLC) is still quite low in the majority of cases. Despite the use of conventional therapy such as tyrosine kinase inhibitor for Epidermal Growth Factor Receptor (EGFR), which is highly expressed in most NSCLC cases, there was still no substantial improvement in patient survival. This is due to the drug’s ineffectiveness and high rate of resistance among individuals with mutant EGFR. Therefore, the development of new inhibitors is urgently needed. Understanding the EGFR structure, including its kinase domain and other parts of the protein, and its activation mechanism can accelerate the discovery of novel compounds targeting this protein. This study described the structure of the extracellular, transmembrane, and intracellular domains of EGFR. This was carried out along with identifying the binding pose of commercially available inhibitors in the ATP-binding and allosteric sites, thereby clarifying the research gaps that can be filled. The binding mechanism of inhibitors that have been used clinically was also explained, thereby aiding the structure-based development of new drugs.
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45
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Buyan A, Corry B. Initiating Coarse-Grained MD Simulations for Membrane-Bound Proteins. Methods Mol Biol 2022; 2402:131-141. [PMID: 34854041 DOI: 10.1007/978-1-0716-1843-1_11] [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] [Indexed: 06/13/2023]
Abstract
Molecular dynamics (MD) simulations have become a widely used tool in the scientific community for understanding molecular scale phenomena that are challenging to address with wet-lab techniques. Coarse-grained simulations, in which multiple atoms are combined into single beads, allow for larger systems and longer time scales to be explored than atomistic techniques. Here, we describe the procedures and equipment required to set up coarse-grained simulations of membrane-bound proteins in a lipid bilayer that can mimic many membrane environments.
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Affiliation(s)
- Amanda Buyan
- Research School of Biology, Australian National University, Canberra, ACT, Australia.
| | - Ben Corry
- Research School of Biology, Australian National University, Canberra, ACT, Australia
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46
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Lu X, Smaill JB, Patterson AV, Ding K. Discovery of Cysteine-targeting Covalent Protein Kinase Inhibitors. J Med Chem 2021; 65:58-83. [PMID: 34962782 DOI: 10.1021/acs.jmedchem.1c01719] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Small molecule covalent kinase inhibitors (CKIs) have entered a new era in drug discovery, which have the advantage for sustained target inhibition and high selectivity. An increased understanding of binding kinetics of CKIs and discovery of additional irreversible and reversible-covalent cysteine-targeted warheads has inspired the development of this area. Herein, we summarize the major medicinal chemistry strategies employed in the discovery of these representative CKIs, which are categorized by the location of the target cysteine within seven main regions of the kinase: the front region, the glycine rich loop (P-loop), the hinge region, the DFG region, the activation loop (A-loop), the catalytic loop (C-loop), and the remote loop. The emphasis is placed on the design and optimization strategies of CKIs that are generated by addition of a warhead to a reversible lead/inhibitor scaffold. In addition, we address the challenges facing this area of drug discovery.
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Affiliation(s)
- Xiaoyun Lu
- School of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Jeff B Smaill
- Auckland Cancer Society Research Centre, Faculty of Medical and Health Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag 92019, Auckland, New Zealand
| | - Adam V Patterson
- Auckland Cancer Society Research Centre, Faculty of Medical and Health Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand.,Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Private Bag 92019, Auckland, New Zealand
| | - Ke Ding
- School of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
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Ferlenghi F, Scalvini L, Vacondio F, Castelli R, Bozza N, Marseglia G, Rivara S, Lodola A, La Monica S, Minari R, Petronini PG, Alfieri R, Tiseo M, Mor M. A sulfonyl fluoride derivative inhibits EGFR L858R/T790M/C797S by covalent modification of the catalytic lysine. Eur J Med Chem 2021; 225:113786. [PMID: 34464874 DOI: 10.1016/j.ejmech.2021.113786] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/13/2021] [Accepted: 08/15/2021] [Indexed: 10/20/2022]
Abstract
The emergence of the C797S mutation in EGFR is a frequent mechanism of resistance to osimertinib in the treatment of non-small cell lung cancer (NSCLC). In the present work, we report the design, synthesis and biochemical characterization of UPR1444 (compound 11), a new sulfonyl fluoride derivative which potently and irreversibly inhibits EGFRL858R/T790M/C797S through the formation of a sulfonamide bond with the catalytic residue Lys745. Enzymatic assays show that compound 11 displayed an inhibitory activity on EGFRWT comparable to that of osimertinib, and it resulted more selective than the sulfonyl fluoride probe XO44, recently reported to inhibit a significant part of the kinome. Neither compound 11 nor XO44 inhibited EGFRdel19/T790M/C797S triple mutant. When tested in Ba/F3 cells expressing EGFRL858R/T790M/C797S, compound 11 resulted significantly more potent than osimertinib at inhibiting both EGFR autophosphorylation and proliferation, even if the inhibition of EGFR autophosphorylation by compound 11 in Ba/F3 cells was not long lasting.
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Affiliation(s)
| | - Laura Scalvini
- Department of Food and Drug, University of Parma, Parma, Italy
| | | | | | - Nicole Bozza
- Department of Food and Drug, University of Parma, Parma, Italy
| | | | - Silvia Rivara
- Department of Food and Drug, University of Parma, Parma, Italy
| | - Alessio Lodola
- Department of Food and Drug, University of Parma, Parma, Italy.
| | - Silvia La Monica
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Roberta Minari
- Medical Oncology, University Hospital of Parma, Parma, Italy
| | | | - Roberta Alfieri
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Marcello Tiseo
- Department of Medicine and Surgery, University of Parma, Parma, Italy; Medical Oncology, University Hospital of Parma, Parma, Italy
| | - Marco Mor
- Department of Food and Drug, University of Parma, Parma, Italy
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48
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Ding S, Dong X, Gao Z, Zheng X, Ji J, Zhang M, Liu F, Wu S, Li M, Song W, Shen J, Duan W, Liu J, Chen Y. Design, synthesis and biological evaluation of novel N-(3-amino-4-methoxyphenyl)acrylamide derivatives as selective EGFR L858R/T790M kinase inhibitors. Bioorg Chem 2021; 118:105471. [PMID: 34798457 DOI: 10.1016/j.bioorg.2021.105471] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/02/2021] [Accepted: 11/03/2021] [Indexed: 12/17/2022]
Abstract
On the basis of N-(3-amino-4-methoxyphenyl)acrylamide scaffold, a series of novel compounds containing 3-substitutional-1-methyl-1H-indole, 2-substitutional pyrrole or thiophene moieties were synthesized and their in vitro antiproliferation activities against A549 and H1975 cell lines were evaluated. The results indicated that most of the compounds showed moderate to excellent antitumor activities. Especially, compounds 9a (A549 IC50 = 1.96 μM, H1975 IC50 = 0.095 μM), 17i (A549 IC50 = 4.17 μM, H1975 IC50 = 0.052 μM), 17j (A549 IC50 = 1.67 μM, H1975 IC50 = 0.061 μM) exhibited comparable antitumor activities and selectivity ratios compared to the positive control osimertinib (A549 IC50 = 2.91 μM, H1975 IC50 = 0.064 μM). In vitro inhibitory activities against EGFR kinases containing different mutations were also tested. Compound 17i showed remarkable inhibitory activity (with IC50 value of 1.7 nM) to EGFRL858R/T790M kinase and selectivity (22-folds compared to EGFRWT kinase). Furthermore, acridine orange/ethidium bromide (AO/EB) staining assay, cell apoptosis assay, cell cycle distribution assay and wound-healing assay of the compounds 9a and 17i were performed on H1975 cell line. The results showed dose-dependent activities of the induction of apoptosis, G0/G1-phase arrestation and inhibition of migration, which were similar to the positive control osimertinib. Additionally, molecular docking analysis was performed to seek the possible binding mode between the selected compounds (9a, 17i-17j) and EGFRL858R/T790M kinase. The results demonstrated that compound 17i is a promising candidate and worth further study.
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Affiliation(s)
- Shi Ding
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China; API Engineering Technology Research Center of Liaoning Province, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China; Small Molecular Targeted Drug R&D Engineering Research Center of Liaoning Province, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Xiaoyong Dong
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Ziye Gao
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Xiangshan Zheng
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Jingchao Ji
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Mingjuan Zhang
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Fang Liu
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Shuang Wu
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Min Li
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Wenshan Song
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Jiwei Shen
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China; API Engineering Technology Research Center of Liaoning Province, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China; Small Molecular Targeted Drug R&D Engineering Research Center of Liaoning Province, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China
| | - Wenwen Duan
- iHuman Institute, ShanghaiTech University, 393 Middle Huaxia Road, Pudong District, Shanghai 201210, PR China
| | - Ju Liu
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China; API Engineering Technology Research Center of Liaoning Province, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China; Small Molecular Targeted Drug R&D Engineering Research Center of Liaoning Province, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China.
| | - Ye Chen
- College of Pharmacy of Liaoning University, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China; API Engineering Technology Research Center of Liaoning Province, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China; Small Molecular Targeted Drug R&D Engineering Research Center of Liaoning Province, 66 Chongshan Road, Huanggu District, Shenyang 110036, PR China.
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49
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Abourehab MAS, Alqahtani AM, Youssif BGM, Gouda AM. Globally Approved EGFR Inhibitors: Insights into Their Syntheses, Target Kinases, Biological Activities, Receptor Interactions, and Metabolism. Molecules 2021; 26:6677. [PMID: 34771085 PMCID: PMC8587155 DOI: 10.3390/molecules26216677] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/28/2021] [Accepted: 11/02/2021] [Indexed: 02/06/2023] Open
Abstract
Targeting the EGFR with small-molecule inhibitors is a confirmed valid strategy in cancer therapy. Since the FDA approval of the first EGFR-TKI, erlotinib, great efforts have been devoted to the discovery of new potent inhibitors. Until now, fourteen EGFR small-molecule inhibitors have been globally approved for the treatment of different types of cancers. Although these drugs showed high efficacy in cancer therapy, EGFR mutations have emerged as a big challenge for these drugs. In this review, we focus on the EGFR small-molecule inhibitors that have been approved for clinical uses in cancer therapy. These drugs are classified based on their chemical structures, target kinases, and pharmacological uses. The synthetic routes of these drugs are also discussed. The crystal structures of these drugs with their target kinases are also summarized and their bonding modes and interactions are visualized. Based on their binding interactions with the EGFR, these drugs are also classified into reversible and irreversible inhibitors. The cytotoxicity of these drugs against different types of cancer cell lines is also summarized. In addition, the proposed metabolic pathways and metabolites of the fourteen drugs are discussed, with a primary focus on the active and reactive metabolites. Taken together, this review highlights the syntheses, target kinases, crystal structures, binding interactions, cytotoxicity, and metabolism of the fourteen globally approved EGFR inhibitors. These data should greatly help in the design of new EGFR inhibitors.
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Affiliation(s)
- Mohammed A. S. Abourehab
- Department of Pharmaceutics, Faculty of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia;
| | - Alaa M. Alqahtani
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Bahaa G. M. Youssif
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt;
| | - Ahmed M. Gouda
- Department of Medicinal Chemistry, Faculty of pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
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50
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Zhou X, Feng X, Wang D, Chen D, Wu G, Yan Z, Lyu X, Wang H, Yang JM, Zhao Y. Synthesis and bioactivity studies of covalent inhibitors derived from (-)-Chaetominine. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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