1
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Jin Y, Xu Z, Yan H, He Q, Yang X, Luo P. A Comprehensive Review of Clinical Cardiotoxicity Incidence of FDA-Approved Small-Molecule Kinase Inhibitors. Front Pharmacol 2020; 11:891. [PMID: 32595510 PMCID: PMC7303342 DOI: 10.3389/fphar.2020.00891] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 05/29/2020] [Indexed: 11/24/2022] Open
Abstract
Numerous protein kinases encoded in the genome have become attractive targets for the treatment of different types of cancer. As of January 2020, a total of 52 small-molecule kinase inhibitors (SMKIs) have been approved by the FDA. With the numerous clinical trials and a heavy focus on drug safety, SMKI-induced cardiotoxicity, which is a life-threatening risk, has greatly attracted the attention of researchers. In this review, the SMKIs with cardiotoxicity incidence were described exhaustively. The data were collected from 42 clinical trials, 25 FDA-published documents, seven meta-analysis/systematic reviews, three case reports and more than 50 other types of articles. To date, 73% (38 of 52) of SMKIs have reported treatment-related cardiotoxicity. Among the 38 SMKIs with known cardiotoxicity, the rates of incidence of cardiac adverse events were QT prolongation: 47% (18 of 38), hypertension: 40% (15 of 38), left ventricular dysfunction: 34% (13 of 38), arrhythmia: 34% (13 of 38), heart failure: 26% (10 of 38) and ischemia or myocardial infarction: 29% (11 of 38). In the development process of novel SMKIs, more attention should be paid to balancing the treatment efficacy and the risk of cardiotoxicity. In preclinical drug studies, producing an accurate and reliable cardiotoxicity evaluation model is of key importance. To avoid the clinical potential cardiotoxicity risk and discontinuation of a highly effective drug, patients treated with SMKIs should be proactively monitored on the basis of a global standard. Moreover, the underlying mechanisms of SMKI-induced cardiotoxicity need to be further studied to develop new therapies for SMKI-induced cardiotoxicity.
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Affiliation(s)
| | | | | | | | - Xiaochun Yang
- Center for Drug Safety Evaluation and Research of Zhejiang University, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Peihua Luo
- Center for Drug Safety Evaluation and Research of Zhejiang University, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
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2
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Justice CN, Derbala MH, Baich TM, Kempton AN, Guo AS, Ho TH, Smith SA. The Impact of Pazopanib on the Cardiovascular System. J Cardiovasc Pharmacol Ther 2018; 23:387-398. [PMID: 29706106 PMCID: PMC6257996 DOI: 10.1177/1074248418769612] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Pazopanib is an approved treatment for renal cell carcinoma and a second-line treatment for nonadipocytic soft-tissue sarcoma. However, its clinical efficacy is limited by its cardiovascular side effects. Pazopanib and other vascular endothelial growth factor receptor tyrosine kinase inhibitors have been associated with the development of hypertension, QT interval prolongation, and other cardiovascular events; however, these mechanisms are largely unknown. Gaining a deeper understanding of these mechanisms is essential for the development of appropriate surveillance strategies and possible diagnostic biomarkers to allow us to monitor patients and modulate therapy prior to significant cardiac insult. This approach will be vital in keeping patients on these life-saving therapies and may be applicable to other tyrosine kinase inhibitors as well. In this review, we provide a comprehensive overview of the preclinical and clinical side effects of pazopanib with a focus on the mechanisms responsible for its toxicity to the cardiovascular system.
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Affiliation(s)
- Cody N. Justice
- Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA
| | - Mohamed H. Derbala
- Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA
| | - Tesla M. Baich
- Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA
| | - Amber N. Kempton
- Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA
| | - Aaron S. Guo
- Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA
| | - Thai H. Ho
- Mayo Clinic Scottsdale, Arizona, Phoenix, AZ, USA
| | - Sakima A. Smith
- Davis Heart and Lung Research Institute, The Ohio State University, Columbus, OH, USA
- Division of Cardiology, Department of Internal Medicine, The Ohio State University College of Medicine, Columbus, OH, USA
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3
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Yang QC, Bao J, Li C, Tan G, Wu AH, Ye L, Ye LH, Zhou Q, Shao Y. A murine model of dry eye induced by topical administration of erlotinib eye drops. Int J Mol Med 2017; 41:1427-1436. [PMID: 29286080 PMCID: PMC5819933 DOI: 10.3892/ijmm.2017.3353] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Accepted: 12/19/2017] [Indexed: 12/22/2022] Open
Abstract
In the present study, the effects of erlotinib on mouse tear function and corneal epithelial tissue structure were investigated. Throughout the 3 weeks of treatment, no notable differences were observed in the body, eye or lacrimal gland weights of the control and experimental mice. However, in the experimental group, the tear volume and break‑up times of tear film were significantly lower following treatment with erlotinib compared with the control group. Corneal fluorescein staining in the experimental group revealed patchy staining, and the Lissamine green staining and inflammatory index were significantly higher in the experimental group at 3 weeks than in the control group. In the experimental group, the number of corneal epithelium layers increased significantly following treatment with erlotinib for 3 weeks and a significant increase in the number of vacuoles was observed compared with the control group. Treatment with erlotinib significantly increased the corneal epithelial cell apoptosis, and led to a significantly increased number of epithelial cell layers and increased keratin 10 expression. It also significantly reduced the number of conjunctival goblet cells. Transmission electron microscopy and scanning electron microscopy revealed that the corneal epithelial surface was irregular and there was a substantial reduction and partial loss of the microvilli in the experimental group. Mice treated with erlotinib also exhibited an increased protein expression of tumor necrosis factor‑α and decreased protein expression of phosphorylated‑epidermal growth factor receptor in the corneal epithelial cells. The topical application of erlotinib eye drops was revealed to induce dry eyes in mice. This is a novel method of developing a model of dry eyes in mice.
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Affiliation(s)
- Qi-Chen Yang
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Jing Bao
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Cheng Li
- Eye Institute of Xiamen University, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Xiamen, Fujian 361102, P.R. China
| | - Gang Tan
- Department of Ophthalmology, The First Affiliated Hospital of the University of South China, Hengyan, Hunan 421001, P.R. China
| | - An-Hua Wu
- Department of Ophthalmology, The First Affiliated Hospital of the University of South China, Hengyan, Hunan 421001, P.R. China
| | - Lei Ye
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Lin-Hong Ye
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Qiong Zhou
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Yi Shao
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
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4
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Faris AN, Ganesan S, Chattoraj A, Chattoraj SS, Comstock AT, Unger BL, Hershenson MB, Sajjan US. Rhinovirus Delays Cell Repolarization in a Model of Injured/Regenerating Human Airway Epithelium. Am J Respir Cell Mol Biol 2016; 55:487-499. [PMID: 27119973 DOI: 10.1165/rcmb.2015-0243oc] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Rhinovirus (RV), which causes exacerbation in patients with chronic airway diseases, readily infects injured airway epithelium and has been reported to delay wound closure. In this study, we examined the effects of RV on cell repolarization and differentiation in a model of injured/regenerating airway epithelium (polarized, undifferentiated cells). RV causes only a transient barrier disruption in a model of normal (mucociliary-differentiated) airway epithelium. However, in the injury/regeneration model, RV prolongs barrier dysfunction and alters the differentiation of cells. The prolonged barrier dysfunction caused by RV was not a result of excessive cell death but was instead associated with epithelial-to-mesenchymal transition (EMT)-like features, such as reduced expression of the apicolateral junction and polarity complex proteins, E-cadherin, occludin, ZO-1, claudins 1 and 4, and Crumbs3 and increased expression of vimentin, a mesenchymal cell marker. The expression of Snail, a transcriptional repressor of tight and adherence junctions, was also up-regulated in RV-infected injured/regenerating airway epithelium, and inhibition of Snail reversed RV-induced EMT-like features. In addition, compared with sham-infected cells, the RV-infected injured/regenerating airway epithelium showed more goblet cells and fewer ciliated cells. Inhibition of epithelial growth factor receptor promoted repolarization of cells by inhibiting Snail and enhancing expression of E-cadherin, occludin, and Crumbs3 proteins, reduced the number of goblet cells, and increased the number of ciliated cells. Together, these results suggest that RV not only disrupts barrier function, but also interferes with normal renewal of injured/regenerating airway epithelium by inducing EMT-like features and subsequent goblet cell hyperplasia.
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Affiliation(s)
- Andrea N Faris
- 1 Departments of Pediatrics and Communicable Diseases and
| | | | | | | | | | | | - Marc B Hershenson
- 1 Departments of Pediatrics and Communicable Diseases and.,2 Molecular and Integrative Physiology, University of Michigan, Ann Arbor, Michigan
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5
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Stephenson SA, Douglas EL, Mertens-Walker I, Lisle JE, Maharaj MSN, Herington AC. Anti-tumour effects of antibodies targeting the extracellular cysteine-rich region of the receptor tyrosine kinase EphB4. Oncotarget 2016; 6:7554-69. [PMID: 25831049 PMCID: PMC4480699 DOI: 10.18632/oncotarget.3199] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Accepted: 01/23/2015] [Indexed: 01/01/2023] Open
Abstract
EphB4 is a membrane-bound receptor tyrosine kinase (RTK) commonly over-produced by many epithelial cancers but with low to no expression in most normal adult tissues. EphB4 over-production promotes ligand-independent signaling pathways that increase cancer cell viability and stimulate migration and invasion. Several studies have shown that normal ligand-dependent signaling is tumour suppressive and therefore novel therapeutics which block the tumour promoting ligand-independent signaling and/or stimulate tumour suppressive ligand-dependent signaling will find application in the treatment of cancer. An EphB4-specific polyclonal antibody, targeting a region of 200 amino acids in the extracellular portion of EphB4, showed potent in vitro anti-cancer effects measured by an increase in apoptosis and a decrease in anchorage independent growth. Peptide exclusion was used to identify the epitope targeted by this antibody within the cysteine-rich region of the EphB4 protein, a sequence defined as a potential ligand interacting interface. Addition of antibody to cancer cells resulted in phosphorylation and subsequent degradation of the EphB4 protein, suggesting a mechanism that is ligand mimetic and tumour suppressive. A monoclonal antibody which specifically targets this identified extracellular epitope of EphB4 significantly reduced breast cancer xenograft growth in vivo confirming that EphB4 is a useful target for ligand-mimicking antibody-based anti-cancer therapies.
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Affiliation(s)
- Sally-Anne Stephenson
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Queensland, Australia.,Australian Prostate Cancer Research Centre-Queensland, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Queensland, Australia.,Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Evelyn L Douglas
- The Queen Elizabeth Hospital, University of Adelaide, Adelaide, South Australia, Australia
| | - Inga Mertens-Walker
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Queensland, Australia.,Australian Prostate Cancer Research Centre-Queensland, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Queensland, Australia.,Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Jessica E Lisle
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Queensland, Australia.,Australian Prostate Cancer Research Centre-Queensland, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Queensland, Australia.,Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Mohanan S N Maharaj
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Queensland, Australia.,Australian Prostate Cancer Research Centre-Queensland, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Queensland, Australia.,Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Adrian C Herington
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Queensland, Australia.,Australian Prostate Cancer Research Centre-Queensland, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Queensland, Australia.,Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
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6
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Moustafa S, Ho TH, Shah P, Murphy K, Nelluri BK, Lee H, Wilansky S, Mookadam F. Predictors of incipient dysfunction of all cardiac chambers after treatment of metastatic renal cell carcinoma by tyrosine kinase inhibitors. JOURNAL OF CLINICAL ULTRASOUND : JCU 2016; 44:221-30. [PMID: 26875513 PMCID: PMC7584378 DOI: 10.1002/jcu.22333] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Revised: 10/28/2015] [Accepted: 12/31/2015] [Indexed: 06/05/2023]
Abstract
PURPOSE We aimed to explore the hypothesis that early subclinical cardiac chamber dysfunction secondary to tyrosine kinase inhibitors (TKIs) in patients with metastatic renal cell carcinoma could be signaled by abnormal cardiac mechanics demonstrated by velocity vector imaging. METHODS Echocardiographic images were acquired from the apical views in 23 metastatic renal cell carcinoma patients. All patients had baseline and at least a 3-month follow-up echocardiogram after receiving TKI therapy. Subendocardial borders of all the cardiac chambers were traced to obtain volumetric and deformation indices. RESULTS Mean age was 67 ± 9 years with 92% men. The right ventricle peak systolic global longitudinal strain (GLɛ) and strain rate were significantly lower after TKIs (-23.49 ± 5.1 versus -19.81 ± 5.5, p = 0.002 and -1.52 ± 0.52 versus -1.24 ± 0.35 p = 0.02, respectively). LV GLɛ was not statistically different. Volumetric and deformation indices showed a minimal decrease of the right atrium reservoir and conduit functions, and no significant changes of left atrial function. CONCLUSIONS The right heart exhibited greater strain changes than the left heart after TKI treatment. The implications of these findings and their potential significance warrant further work.
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Affiliation(s)
- Sherif Moustafa
- Division of Cardiovascular Diseases, Department of Medicine, Mayo Clinic, Arizona, AZ
| | - Thai H Ho
- Division of Hematology/Oncology, Department of Medicine, Mayo Clinic, Arizona, AZ
| | - Parth Shah
- Division of Cardiovascular Diseases, Department of Medicine, Mayo Clinic, Arizona, AZ
| | - Katie Murphy
- Division of Cardiovascular Diseases, Department of Medicine, Mayo Clinic, Arizona, AZ
| | - Bhargava K Nelluri
- Division of Cardiovascular Diseases, Department of Medicine, Mayo Clinic, Arizona, AZ
| | - Howard Lee
- Division of Cardiovascular Diseases, Department of Medicine, Mayo Clinic, Arizona, AZ
| | - Susan Wilansky
- Division of Cardiovascular Diseases, Department of Medicine, Mayo Clinic, Arizona, AZ
| | - Farouk Mookadam
- Division of Cardiovascular Diseases, Department of Medicine, Mayo Clinic, Arizona, AZ
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7
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Hahn VS, Lenihan DJ, Ky B. Cancer therapy-induced cardiotoxicity: basic mechanisms and potential cardioprotective therapies. J Am Heart Assoc 2014; 3:e000665. [PMID: 24755151 PMCID: PMC4187516 DOI: 10.1161/jaha.113.000665] [Citation(s) in RCA: 186] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Accepted: 02/26/2014] [Indexed: 01/03/2023]
Affiliation(s)
- Virginia Shalkey Hahn
- Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA (V.S.H., B.K.)
| | - Daniel J. Lenihan
- Cardiovascular Medicine, Vanderbilt University School of Medicine, Nashville, TN (D.J.L.)
| | - Bonnie Ky
- Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA (V.S.H., B.K.)
- Penn Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA (B.K.)
- Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA (B.K.)
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8
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Challa AK, Chatti K. Conservation and early expression of zebrafish tyrosine kinases support the utility of zebrafish as a model for tyrosine kinase biology. Zebrafish 2012; 10:264-74. [PMID: 23234507 DOI: 10.1089/zeb.2012.0781] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Tyrosine kinases have significant roles in cell growth, apoptosis, development, and disease. To explore the use of zebrafish as a vertebrate model for tyrosine kinase signaling and to better understand their roles, we have identified all of the tyrosine kinases encoded in the zebrafish genome and quantified RNA expression of selected tyrosine kinases during early development. Using profile hidden Markov model analysis, we identified 122 zebrafish tyrosine kinase genes and proposed unambiguous gene names where needed. We found them to be organized into 39 nonreceptor and 83 receptor type, and 30 families consistent with human tyrosine kinase family assignments. We found five human tyrosine kinase genes (epha1, bmx, fgr, srm, and insrr) with no identifiable zebrafish ortholog, and one zebrafish gene (yrk) with no identifiable human ortholog. We also found that receptor tyrosine kinase genes were duplicated more often than nonreceptor tyrosine kinase genes in zebrafish. We profiled expression levels of 30 tyrosine kinases representing all families using direct digital detection at different stages during the first 24 hours of development. The profiling experiments clearly indicate regulated expression of tyrosine kinases in the zebrafish, suggesting their role during early embryonic development. In summary, our study has resulted in the first comprehensive description of the zebrafish tyrosine kinome.
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Affiliation(s)
- Anil Kumar Challa
- Dr. Reddy's Institute of Life Sciences, University of Hyderabad Campus, Hyderabad, India
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9
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Norman RA, Schott AK, Andrews DM, Breed J, Foote KM, Garner AP, Ogg D, Orme JP, Pink JH, Roberts K, Rudge DA, Thomas AP, Leach AG. Protein–Ligand Crystal Structures Can Guide the Design of Selective Inhibitors of the FGFR Tyrosine Kinase. J Med Chem 2012; 55:5003-12. [DOI: 10.1021/jm3004043] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Richard A. Norman
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - Anne-Kathrin Schott
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - David M. Andrews
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - Jason Breed
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - Kevin M. Foote
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - Andrew P. Garner
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - Derek Ogg
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - Jonathon P. Orme
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - Jennifer H. Pink
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - Karen Roberts
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - David A. Rudge
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - Andrew P. Thomas
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
| | - Andrew G. Leach
- AstraZeneca Pharmaceuticals, Mereside, Alderley Park, Macclesfield, SK10 4TG, U.K
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10
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Broekman F, Giovannetti E, Peters GJ. Tyrosine kinase inhibitors: Multi-targeted or single-targeted? World J Clin Oncol 2011; 2:80-93. [PMID: 21603317 PMCID: PMC3095472 DOI: 10.5306/wjco.v2.i2.80] [Citation(s) in RCA: 159] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2010] [Revised: 09/05/2010] [Accepted: 09/12/2010] [Indexed: 02/06/2023] Open
Abstract
Since in most tumors multiple signaling pathways are involved, many of the inhibitors in clinical development are designed to affect a wide range of targeted kinases. The most important tyrosine kinase families in the development of tyrosine kinase inhibitors are the ABL, SCR, platelet derived growth factor, vascular endothelial growth factor receptor and epidermal growth factor receptor families. Both multi-kinase inhibitors and single-kinase inhibitors have advantages and disadvantages, which are related to potential resistance mechanisms, pharmacokinetics, selectivity and tumor environment. In different malignancies various tyrosine kinases are mutated or overexpressed and several resistance mechanisms exist. Pharmacokinetics is influenced by interindividual differences and differs for two single targeted inhibitors or between patients treated by the same tyrosine kinase inhibitor. Different tyrosine kinase inhibitors have various mechanisms to achieve selectivity, while differences in gene expression exist between tumor and stromal cells. Considering these aspects, one type of inhibitor can generally not be preferred above the other, but will depend on the specific genetic constitution of the patient and the tumor, allowing personalized therapy. The most effective way of cancer treatment by using tyrosine kinase inhibitors is to consider each patient/tumor individually and to determine the strategy that specifically targets the consequences of altered (epi)genetics of the tumor. This strategy might result in treatment by a single multi kinase inhibitor for one patient, but in treatment by a couple of single kinase inhibitors for other patients.
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Affiliation(s)
- Fleur Broekman
- Fleur Broekman, Elisa Giovannetti, Godefridus J Peters, Department of Medical Oncology, VU University Medical Center, 1007 MB Amsterdam, The Netherlands
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11
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Cardiotoxicity of kinase inhibitors: the prediction and translation of preclinical models to clinical outcomes. Nat Rev Drug Discov 2011; 10:111-26. [PMID: 21283106 DOI: 10.1038/nrd3252] [Citation(s) in RCA: 258] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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12
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Wan S, Coveney PV. Rapid and accurate ranking of binding affinities of epidermal growth factor receptor sequences with selected lung cancer drugs. J R Soc Interface 2011; 8:1114-27. [PMID: 21227963 DOI: 10.1098/rsif.2010.0609] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The epidermal growth factor receptor (EGFR) is a major target for drugs in treating lung carcinoma. Mutations in the tyrosine kinase domain of EGFR commonly arise in human cancers, which can cause drug sensitivity or resistance by influencing the relative strengths of drug and ATP-binding. In this study, we investigate the binding affinities of two tyrosine kinase inhibitors--AEE788 and Gefitinib--to EGFR using molecular dynamics simulation. The interactions between these inhibitors and the EGFR kinase domain are analysed using multiple short (ensemble) simulations and the molecular mechanics/Poisson-Boltzmann solvent area (MM/PBSA) method. Here, we show that ensemble simulations correctly rank the binding affinities for these systems: we report the successful ranking of each drug binding to a variety of EGFR sequences and of the two drugs binding to a given sequence, using petascale computing resources, within a few days.
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Affiliation(s)
- Shunzhou Wan
- Centre for Computational Science, Chemistry Department, University College London, 20 Gordon Street, London WC1H 0AJ, UK
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13
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Patel RY, Doerksen RJ. Protein kinase-inhibitor database: structural variability of and inhibitor interactions with the protein kinase P-loop. J Proteome Res 2011; 9:4433-42. [PMID: 20681595 DOI: 10.1021/pr100662s] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Structure-based drug design of protein-kinase inhibitors has been facilitated by availability of an enormous number of structures in the Protein Databank (PDB), systematic analyses of which can provide insight into the factors that govern ligand-protein kinase interactions and into the conformational variability of the protein kinases. In this study, a nonredundant database containing 755 unique, curated, and annotated PDB protein kinase-inhibitor complexes (each consisting of a single protein kinase chain, a ligand, and water molecules around the ligand) was created. With this dataset, analyses were performed of protein conformational variability and interactions of ligands with 11 P-loop residues. Analysis of ligand-protein interactions included ligand atom preference, ligand-protein hydrogen bonds, and the number and position of crystallographic water molecules around important P-loop residues. Analysis of variability in the conformation of the P-loop considered backbone and side-chain dihedral angles, and solvent accessible surface area (SASA). A distorted conformation of the P-loop was observed for some of the protein kinase structures. Lower SASA was observed for the hydrophobic residue in beta1 of several members of the AGC family of protein kinases. Our systematic studies were performed amino acid-by-amino acid, which is unusual for analyses of protein kinase-inhibitor complexes.
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Affiliation(s)
- Ronak Y Patel
- Department of Medicinal Chemistry, School of Pharmacy, University of Mississippi, University, Mississippi 38677-1848, USA
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14
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Dixit A, Torkamani A, Schork NJ, Verkhivker G. Computational modeling of structurally conserved cancer mutations in the RET and MET kinases: the impact on protein structure, dynamics, and stability. Biophys J 2009; 96:858-74. [PMID: 19186126 DOI: 10.1016/j.bpj.2008.10.041] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2008] [Accepted: 10/27/2008] [Indexed: 02/08/2023] Open
Abstract
Structural and biochemical characterization of protein kinases that confer oncogene addiction and harbor a large number of disease-associated mutations, including RET and MET kinases, have provided insights into molecular mechanisms associated with the protein kinase activation in human cancer. In this article, structural modeling, molecular dynamics, and free energy simulations of a structurally conserved mutational hotspot, shared by M918T in RET and M1250T in MET kinases, are undertaken to quantify the molecular mechanism of activation and the functional role of cancer mutations in altering protein kinase structure, dynamics, and stability. The mechanistic basis of the activating RET and MET cancer mutations may be driven by an appreciable free energy destabilization of the inactive kinase state in the mutational forms. According to our results, the locally enhanced mobility of the cancer mutants and a higher conformational entropy are counterbalanced by a larger enthalpy loss and result in the decreased thermodynamic stability. The computed protein stability differences between the wild-type and cancer kinase mutants are consistent with circular dichroism spectroscopy and differential scanning calorimetry experiments. These results support the molecular mechanism of activation, which causes a detrimental imbalance in the dynamic equilibrium shifted toward the active form of the enzyme. Furthermore, computer simulations of the inhibitor binding with the oncogenic and drug-resistant RET mutations have also provided a plausible molecular rationale for the observed differences in the inhibition profiles, which is consistent with the experimental data. Finally, structural mapping of RET and MET cancer mutations and the computed protein stability changes suggest a similar mechanism of activation, whereby the cancer mutations which display the higher oncogenic activity tend to have the greatest destabilization effect on the inactive kinase structure.
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Affiliation(s)
- Anshuman Dixit
- Center for Bioinformatics, The University of Kansas, Lawrence, Kansas, USA
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Torkamani A, Verkhivker G, Schork NJ. Cancer driver mutations in protein kinase genes. Cancer Lett 2008; 281:117-27. [PMID: 19081671 DOI: 10.1016/j.canlet.2008.11.008] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2008] [Revised: 11/05/2008] [Accepted: 11/07/2008] [Indexed: 12/14/2022]
Abstract
Recent studies investigating the genetic determinants of cancer suggest that some of the genetic alterations contributing to tumorigenesis may be inherited, but the vast majority is somatically acquired during the transition of a normal cell to a cancer cell. A systematic understanding of the genetic and molecular determinants of cancers has already begun to have a transformative effect on the study and treatment of cancer, particularly through the identification of a range of genetic alterations in protein kinase genes, which are highly associated with the disease. Since kinases are prominent therapeutic targets for intervention within the cancer cell, studying the impact that genomic alterations within them have on cancer initiation, progression, and treatment is both logical and timely. In fact, recent sequencing and resequencing (i.e., polymorphism identification) efforts have catalyzed the quest for protein kinase 'driver' mutations (i.e., those genetic alterations which contribute to the transformation of a normal cell to a proliferating cancerous cell) in distinction to kinase 'passenger' mutations which reflect mutations that merely build up in course of normal and unchecked (i.e., cancerous) somatic cell replication and proliferation. In this review, we discuss the recent progress in the discovery and functional characterization of protein kinase cancer driver mutations and the implications of this progress for understanding tumorigenesis as well as the design of 'personalized' cancer therapeutics that target an individual's unique mutational profile.
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Affiliation(s)
- Ali Torkamani
- The Scripps Translational Science Institute and Scripps Genomic Medicine, Scripps Health and The Scripps Research Institute, La Jolla, CA 92037, USA
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Bauer A, Stockwell B. Neurobiological applications of small molecule screening. Chem Rev 2008; 108:1774-86. [PMID: 18447397 DOI: 10.1021/cr0782372] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Andras Bauer
- Columbia University, Department of Biological Sciences, 614 Fairchild Center, New York, New York 10027, USA
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