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Bellouard M, Donadieu J, Thiebot P, Giroux Leprieur E, Saiag P, Etting I, Dugues P, Abe E, Alvarez JC, Larabi IA. Validation of Liquid Chromatography Coupled with Tandem Mass Spectrometry for the Determination of 12 Tyrosine Kinase Inhibitors (TKIs) and Their Application to Therapeutic Drug Monitoring in Adult and Pediatric Populations. Pharmaceutics 2023; 16:5. [PMID: 38276485 PMCID: PMC10818921 DOI: 10.3390/pharmaceutics16010005] [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: 11/15/2023] [Revised: 12/12/2023] [Accepted: 12/15/2023] [Indexed: 01/27/2024] Open
Abstract
Tyrosine kinase inhibitors (TKIs) are used as targeted cancer therapies in adults and have an off-label pediatric application for the treatment of Langerhans cell histiocytosis. A multitarget LC-MS/MS method was developed and validated for the determination of alectinib, alectinib-M4, binimetinib, cobimetinib, crizotinib, dabrafenib, encorafenib, imatinib, lorlatinib, osimertinib, AZ5104, and trametinib. A total of 150 µL of internal standard methanolic solution was added to 50 µL of plasma sample to precipitate proteins. After centrifugation, 10 µL of the supernatant was injected into the chromatographic system. The chromatographic separation was conducted on a Kinetex C18 Polar column with a gradient of 2 mM ammonium formate in 0.1% formic acid and acetonitrile over 5 min. Limits of detection and quantification, linearity, accuracy, precision, selectivity, carryover, matrix effect, recovery, and stability were evaluated and satisfied EMA guidelines on bioanalytical methods. This method has been successfully applied to the therapeutic drug monitoring (TDM) of adults with melanoma and lung cancer, as well as children with histiocytosis, to improve the pharmacokinetic data for these drugs, with the aim of enhancing the therapeutic management and follow-up of patients. Blood concentrations of trametinib and binimetinib were different in the two groups, highlighting the age-related inter-individual variability of these molecules and the need for TDM.
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Affiliation(s)
- Marie Bellouard
- Toxicology Laboratory, Raymond Poincaré Hospital, AP-HP, 92380 Garches, France; (I.E.); (P.D.); (E.A.); (I.-A.L.); (J.-C.A.)
- Pediatric Hemato-Oncology Department, Trousseau Hospital, AP-HP, 75012 Paris, France;
| | - Jean Donadieu
- Pediatric Hemato-Oncology Department, Trousseau Hospital, AP-HP, 75012 Paris, France;
| | - Pauline Thiebot
- Toxicology Laboratory, Lariboisière Hospital, AP-HP, 75010 Paris, France;
| | | | - Philippe Saiag
- Dermatology Department, Ambroise Paré Hospital, AP-HP, 92100 Boulogne-Billancourt, France;
| | - Isabelle Etting
- Toxicology Laboratory, Raymond Poincaré Hospital, AP-HP, 92380 Garches, France; (I.E.); (P.D.); (E.A.); (I.-A.L.); (J.-C.A.)
| | - Pamela Dugues
- Toxicology Laboratory, Raymond Poincaré Hospital, AP-HP, 92380 Garches, France; (I.E.); (P.D.); (E.A.); (I.-A.L.); (J.-C.A.)
- Inserm U-1018, CESP, Team MOODS, Plateform MasSpecLab, Paris-Saclay/Versailles University, 78180 Montigny-le-Bretonneux, France
| | - Emuri Abe
- Toxicology Laboratory, Raymond Poincaré Hospital, AP-HP, 92380 Garches, France; (I.E.); (P.D.); (E.A.); (I.-A.L.); (J.-C.A.)
| | - Jean-Claude Alvarez
- Toxicology Laboratory, Raymond Poincaré Hospital, AP-HP, 92380 Garches, France; (I.E.); (P.D.); (E.A.); (I.-A.L.); (J.-C.A.)
- Inserm U-1018, CESP, Team MOODS, Plateform MasSpecLab, Paris-Saclay/Versailles University, 78180 Montigny-le-Bretonneux, France
| | - Islam-Amine Larabi
- Toxicology Laboratory, Raymond Poincaré Hospital, AP-HP, 92380 Garches, France; (I.E.); (P.D.); (E.A.); (I.-A.L.); (J.-C.A.)
- Inserm U-1018, CESP, Team MOODS, Plateform MasSpecLab, Paris-Saclay/Versailles University, 78180 Montigny-le-Bretonneux, France
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Jiang H, Zhou S, Li G. Novel biomarkers used for early diagnosis and tyrosine kinase inhibitors as targeted therapies in colorectal cancer. Front Pharmacol 2023; 14:1189799. [PMID: 37719843 PMCID: PMC10502318 DOI: 10.3389/fphar.2023.1189799] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 08/14/2023] [Indexed: 09/19/2023] Open
Abstract
Colorectal cancer (CRC) is the third most common and second most lethal type of cancer worldwide, presenting major health risks as well as economic costs to both people and society. CRC survival chances are significantly higher if the cancer is diagnosed and treated early. With the development of molecular biology, numerous initiatives have been undertaken to identify novel biomarkers for the early diagnosis of CRC. Pathological disorders can be diagnosed at a lower cost with the help of biomarkers, which can be detected in stool, blood, and tissue samples. Several lines of evidence suggest that the gut microbiota could be used as a biomarker for CRC screening and treatment. CRC treatment choices include surgical resection, chemotherapy, immunotherapy, gene therapy, and combination therapies. Targeted therapies are a relatively new and promising modality of treatment that has been shown to increase patients' overall survival (OS) rates and can inhibit cancer cell development. Several small-molecule tyrosine kinase inhibitors (TKIs) are being investigated as potential treatments due to our increasing awareness of CRC's molecular causes and oncogenic signaling. These compounds may inhibit critical enzymes in controlling signaling pathways, which are crucial for CRC cells' development, differentiation, proliferation, and survival. On the other hand, only one of the approximately 42 TKIs that demonstrated anti-tumor effects in pre-clinical studies has been licensed for clinical usage in CRC. A significant knowledge gap exists when bringing these tailored medicines into the clinic. As a result, the emphasis of this review is placed on recently discovered biomarkers for early diagnosis as well as tyrosine kinase inhibitors as possible therapy options for CRC.
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Tyrosine Kinase Inhibitors in the Treatment of Metastasised Renal Cell Carcinoma—Future or the Past? Cancers (Basel) 2022; 14:cancers14153777. [PMID: 35954446 PMCID: PMC9367545 DOI: 10.3390/cancers14153777] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/28/2022] [Accepted: 07/30/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary Renal cell carcinoma (RCC) is the sixth most frequently diagnosed cancer in men and the tenth in women with a rising incidence. The treatment of metastasized RCC has dramatically changed in the last decade, improving the overall survival of patients significantly. In this context, cornerstones of the treatment have been tyrosine kinase inhibitors (TKI), with Sunitinib being the preferred first-line treatment for most cases. With the introduction of immunotherapy and combination therapy, this changed recently. The current article summarizes the available literature on TKI treatment of metastasized RCC and shows the current part of TKIs in the treatment algorithm as well as its potential future role. Abstract Background: To review and discuss the literature on applying tyrosine kinase inhibitors (TKIs) in the treatment of metastasised renal cell carcinoma (mRCC). Materials and Methods: Medline, PubMed, the Cochrane database, and Embase were screened for randomised controlled trials, clinical trials, and reviews on treating renal cell carcinoma, and the role of TKI. Each substance’s results were summarised descriptively. Results: While TKI monotherapy is not currently recommended as a first-line treatment for metastasized renal cell carcinoma, TKIs are regularly applied to treat treatment-naïve patients in combination with immunotherapy. TKIs depict the first-choice alternative therapy if immunotherapy is not tolerated or inapplicable. Currently, seven different TKIs are available to treat mRCC. Conclusions: The importance of TKIs in a monotherapeutic approach has declined in the past few years. The current trend toward combination therapy for mRCC, however, includes TKIs as one significant component of treatment regimens. We found that to remain applicable to ongoing studies, both when including new substances and when testing novel combinations of established drugs. TKIs are of major importance for the treatment of renal cancer now, as well as for the foreseeable future.
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Sudhesh Dev S, Zainal Abidin SA, Farghadani R, Othman I, Naidu R. Receptor Tyrosine Kinases and Their Signaling Pathways as Therapeutic Targets of Curcumin in Cancer. Front Pharmacol 2021; 12:772510. [PMID: 34867402 PMCID: PMC8634471 DOI: 10.3389/fphar.2021.772510] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 11/01/2021] [Indexed: 12/20/2022] Open
Abstract
Receptor tyrosine kinases (RTKs) are transmembrane cell-surface proteins that act as signal transducers. They regulate essential cellular processes like proliferation, apoptosis, differentiation and metabolism. RTK alteration occurs in a broad spectrum of cancers, emphasising its crucial role in cancer progression and as a suitable therapeutic target. The use of small molecule RTK inhibitors however, has been crippled by the emergence of resistance, highlighting the need for a pleiotropic anti-cancer agent that can replace or be used in combination with existing pharmacological agents to enhance treatment efficacy. Curcumin is an attractive therapeutic agent mainly due to its potent anti-cancer effects, extensive range of targets and minimal toxicity. Out of the numerous documented targets of curcumin, RTKs appear to be one of the main nodes of curcumin-mediated inhibition. Many studies have found that curcumin influences RTK activation and their downstream signaling pathways resulting in increased apoptosis, decreased proliferation and decreased migration in cancer both in vitro and in vivo. This review focused on how curcumin exhibits anti-cancer effects through inhibition of RTKs and downstream signaling pathways like the MAPK, PI3K/Akt, JAK/STAT, and NF-κB pathways. Combination studies of curcumin and RTK inhibitors were also analysed with emphasis on their common molecular targets.
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Affiliation(s)
- Sareshma Sudhesh Dev
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Malaysia
| | - Syafiq Asnawi Zainal Abidin
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Malaysia
| | - Reyhaneh Farghadani
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Malaysia
| | - Iekhsan Othman
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Malaysia
| | - Rakesh Naidu
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Malaysia
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Targeted Therapy in the Treatment of Pediatric Acute Lymphoblastic Leukemia-Therapy and Toxicity Mechanisms. Int J Mol Sci 2021; 22:ijms22189827. [PMID: 34575992 PMCID: PMC8468873 DOI: 10.3390/ijms22189827] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 12/20/2022] Open
Abstract
Targeted therapy has revolutionized the treatment of poor-prognosis pediatric acute lymphoblastic leukemia (ALL) with specific genetic abnormalities. It is still being described as a new landmark therapeutic approach. The main purpose of the use of molecularly targeted drugs and immunotherapy in the treatment of ALL is to improve the treatment outcomes and reduce the doses of conventional chemotherapy, while maintaining the effectiveness of the therapy. Despite promising treatment results, there is limited clinical research on the effect of target cell therapy on the potential toxic events in children and adolescents. The recent development of highly specific molecular methods has led to an improvement in the identification of numerous unique expression profiles of acute lymphoblastic leukemia. The detection of specific genetic mutations determines patients’ risk groups, which allows for patient stratification and for an adjustment of the directed and personalized target therapies that are focused on particular molecular alteration. This review summarizes the knowledge concerning the toxicity of molecular-targeted drugs and immunotherapies applied in childhood ALL.
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Dunphy K, Dowling P, Bazou D, O’Gorman P. Current Methods of Post-Translational Modification Analysis and Their Applications in Blood Cancers. Cancers (Basel) 2021; 13:1930. [PMID: 33923680 PMCID: PMC8072572 DOI: 10.3390/cancers13081930] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/04/2021] [Accepted: 04/14/2021] [Indexed: 12/12/2022] Open
Abstract
Post-translational modifications (PTMs) add a layer of complexity to the proteome through the addition of biochemical moieties to specific residues of proteins, altering their structure, function and/or localization. Mass spectrometry (MS)-based techniques are at the forefront of PTM analysis due to their ability to detect large numbers of modified proteins with a high level of sensitivity and specificity. The low stoichiometry of modified peptides means fractionation and enrichment techniques are often performed prior to MS to improve detection yields. Immuno-based techniques remain popular, with improvements in the quality of commercially available modification-specific antibodies facilitating the detection of modified proteins with high affinity. PTM-focused studies on blood cancers have provided information on altered cellular processes, including cell signaling, apoptosis and transcriptional regulation, that contribute to the malignant phenotype. Furthermore, the mechanism of action of many blood cancer therapies, such as kinase inhibitors, involves inhibiting or modulating protein modifications. Continued optimization of protocols and techniques for PTM analysis in blood cancer will undoubtedly lead to novel insights into mechanisms of malignant transformation, proliferation, and survival, in addition to the identification of novel biomarkers and therapeutic targets. This review discusses techniques used for PTM analysis and their applications in blood cancer research.
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Affiliation(s)
- Katie Dunphy
- Department of Biology, National University of Ireland, W23 F2K8 Maynooth, Ireland; (K.D.); (P.D.)
| | - Paul Dowling
- Department of Biology, National University of Ireland, W23 F2K8 Maynooth, Ireland; (K.D.); (P.D.)
| | - Despina Bazou
- Department of Haematology, Mater Misericordiae University Hospital, D07 WKW8 Dublin, Ireland;
| | - Peter O’Gorman
- Department of Haematology, Mater Misericordiae University Hospital, D07 WKW8 Dublin, Ireland;
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Al-Shakliah NS, Attwa MW, AlRabiah H, Kadi AA. Identification and characterization of in vitro, in vivo, and reactive metabolites of tandutinib using liquid chromatography ion trap mass spectrometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:399-410. [PMID: 33410830 DOI: 10.1039/d0ay02106g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Tandutinib (TND) is a novel, oral small molecule designed for treating acute myeloid leukemia (AML) by inhibiting type III receptor tyrosine kinases. This study reports the use of in silico, in vivo, and in vitro methods to investigate the metabolism and possible metabolic bioactivation of TND. First, in silico metabolism of TND was assessed using the WhichP450™ module of the StarDrop® software to determine labile sites of metabolism in the TND chemical structure. Second, the XenoSite reactivity model, a web-based metabolism prediction software, was used to determine probable bioactive centers. Based on the in silico outcomes, a list of predicted metabolites and reactive intermediates were prepared. Third, in vitro and in vivo experiments were performed. In vitro TND metabolites were generated through incubation of TND with rat liver microsomes (RLMs). Another incubation of TND with RLMs was separately performed in the presence of GSH and KCN to check for the generation of reactive intermediates (soft and hard electrophiles). In vitro phase II metabolism was assessed by incubation of TND with isolated perfused rat hepatocytes. In vivo metabolism was investigated by oral gavage of TND (37 mg kg-1) in Sprague Dawley rats. Five in vitro phase I metabolites, one in vitro phase II and five reactive iminium intermediates (cyano adducts), six in vivo phase I, and one in vivo phase II metabolites of TND were characterized. The in vitro and in vivo metabolic pathways involved were O-dealkylation, α-hydroxylation, α-carbonyl formation, reduction, glucuronide, and sulfate conjugation. No GSH conjugate or its catabolic products were detected either in vitro or in vivo. Two cyclic tertiary rings of TND (piperazine and piperidine) were metabolically bioactivated to generate reactive iminium intermediates forming cyano adducts with KCN. The formed reactive intermediates may be the reason behind TND toxicity. In silico toxicological studies were performed for TND and its related (in vitro and in vivo) metabolites were evaluated using the DEREK software tool.
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Affiliation(s)
- Nasser S Al-Shakliah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia.
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Attwa MW, Abdelhameed AS, Al-Shakliah NS, Kadi AA. LC-MS/MS Estimation of the Anti-Cancer Agent Tandutinib Levels in Human Liver Microsomes: Metabolic Stability Evaluation Assay. Drug Des Devel Ther 2020; 14:4439-4449. [PMID: 33122888 PMCID: PMC7591096 DOI: 10.2147/dddt.s274118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 10/09/2020] [Indexed: 12/05/2022] Open
Abstract
PURPOSE Tandutinib (MLN518 or CT 53518) (TND) is a novel, oral, small-molecule inhibitor of type III receptor tyrosine kinases utilized for the treatment of acute myeloid leukemia (AML). MATERIALS AND METHODS In silico prediction of hepatic drug metabolism for TND was determined using the StarDrop® WhichP450™ module to confirm its metabolic liability. Second, an efficient and accurate LC-MS/MS method was established for TND quantification to evaluate metabolic stability. TND and entrectinib (ENC) (internal standard; IS) were resolved using an isocratic elution system with a reversed stationary phase (C8 column). RESULTS The established LC-MS/MS method exhibited linearity (5-500 ng/mL) with r2 ≥0.9999 in the human liver microsomes matrix. The method sensitivity was indicated by the limit of quantification (3.8 ng/mL), and reproducibility was revealed by inter- and intraday precision and accuracy (below 10.5%). TND metabolic stability estimation was calculated using intrinsic clearance (22.03 µL/min/mg) and in vitro half-life (29.0 min) values. CONCLUSION TND exhibited a moderate extraction ratio indicative of good bioavailability. According to the literature, the approach developed in the present study is the first established LC-MS/MS method for assessing TND metabolic stability.
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Affiliation(s)
- Mohamed W Attwa
- 1 Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Ali S Abdelhameed
- 1 Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Nasser S Al-Shakliah
- 1 Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Adnan A Kadi
- 1 Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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Sunitinib malate-loaded biodegradable microspheres for the prevention of corneal neovascularization in rats. J Control Release 2020; 327:456-466. [PMID: 32822742 DOI: 10.1016/j.jconrel.2020.08.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/04/2020] [Accepted: 08/14/2020] [Indexed: 01/10/2023]
Abstract
Corneal neovascularization (NV) predisposes patients to compromised corneal transparency and visional acuity. Sunitinib malate (Sunb-malate) targeting against multiple receptor tyrosine kinases, exerts potent antiangiogenesis. However, the rapid clearance of Sunb-malate eye drops administered through topical instillation limits its therapeutic efficacy and poses a challenge for potential patient compliance. Sunb-malate, the water-soluble form of sunitinib, was shown to have higher intraocular penetration through transscleral diffusion following subconjunctival (SCT) injection in comparison to its sunitinib free base formulation. However, it is difficult to load highly water-soluble drugs and achieve sustained drug release. We developed Sunb-malate loaded poly(D,L-lactic-co-glycolic acid) (PLGA) microspheres (Sunb-malate MS) with a particle size of approximately 15 μm and a drug loading of 7 wt%. Sunb-malate MS sustained the drug release for 30 days under the in vitro infinite sink condition. Subconjunctival (SCT) injection of Sunb-malate MS provided a prolonged ocular drug retention and did not cause ocular toxicity at a dose of 150 μg of active agent. Sunb-malate MS following SCT injection more effectively suppressed the suture-induced corneal NV than either Sunb-malate free drug or the placebo MS. Local sustained release of Sunb-malate through the SCT injection of Sunb-malate MS mitigated the proliferation of vascular endothelial cells and the recruitment of mural cells into the cornea. Moreover, the gene upregulation of proangiogenic factors induced by the pathological process was greatly neutralized by SCT injection of Sunb-malate MS. Our findings provide a sustained release platform for local delivery of tyrosine kinase inhibitors to treat corneal NV.
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Irinotecan-Still an Important Player in Cancer Chemotherapy: A Comprehensive Overview. Int J Mol Sci 2020; 21:ijms21144919. [PMID: 32664667 PMCID: PMC7404108 DOI: 10.3390/ijms21144919] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 07/09/2020] [Accepted: 07/11/2020] [Indexed: 02/06/2023] Open
Abstract
Irinotecan has been used in the treatment of various malignancies for many years. Still, the knowledge regarding this drug is expanding. The pharmacogenetics of the drug is the crucial component of response to irinotecan. Furthermore, new formulations of the drug are introduced in order to better deliver the drug and avoid potentially life-threatening side effects. Here, we give a comprehensive overview on irinotecan’s molecular mode of action, metabolism, pharmacogenetics, and toxicity. Moreover, this article features clinically used combinations of the drug with other anticancer agents and introduces novel formulations of drugs (e.g., liposomal formulations, dendrimers, and nanoparticles). It also outlines crucial mechanisms of tumor cells’ resistance to the active metabolite, ethyl-10-hydroxy-camptothecin (SN-38). We are sure that the article will constitute an important source of information for both new researchers in the field of irinotecan chemotherapy and professionals or clinicians who are interested in the topic.
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Alkhezayem S, Wani TA, Wakil S, Aljuraysi A, Zargar S. Transcriptome analysis of neratinib treated HER2 positive cancer model vs untreated cancer unravels the molecular mechanism of action of neratinib. Saudi Pharm J 2020; 28:963-970. [PMID: 32792841 PMCID: PMC7414076 DOI: 10.1016/j.jsps.2020.06.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 06/25/2020] [Indexed: 02/07/2023] Open
Abstract
Human estrogen receptor positive cancer cells have mutations and make an excess of the HER2 protein and are far more aggressive than others cancers. Neratinib, an irreversible tyrosine kinase inhibitor is used to treat HER2 positive cancers. Neratinib targets HER2 and blocks its signal transduction resulting in inhibition of cell proliferation and induction of apoptosis without any information about the molecular mechanism involved. To understand the underlying molecular mechanism transcriptome analysis was carried out in normal vs cancer induced SWR/J nude mice. Cancer was induced in SWR/J nude mice with intraperitoneal injection of 5 × 106 SKBR3 cells for 14 days. Histopathology confirmed the induction of cancer in liver and kidney after the tumor size was at least 0.5 cm. Genome wide Mouse U133 Array was used to analyze the effect of neratinib treatment on cancer. Validation of expression was done by qPCR and ELISA. Microscopic examination revealed that neratinib treatment has potential effects on cancerous liver. Transcriptome expression profiling showed 1481 transcripts differentially expressed by neratinib treatment. Transcriptome Analysis Console (TAC) showed that 532 upregulated transcripts were exclusively belonging to cell cycle, inflammation, olfaction, oxidative stress, HER, and EGFR1 while 949 downregulated transcripts were involved in immunology, drug resistance such as histocompatibility, T cell receptors, and immunoglobulins. The differentially expressed genes were considered significant under the criteria of an adjusted p-value < 0.02 and log2 ratios ≥ 1.0 and/or log2 ratios ≤ − 1.0 means two Fold change. qPCR assay and ELISA analysis was used to validate few genes involved in apoptosis and proliferation. This study provides new insights into the neratinib’s mode of action by cyclin-dependent kinase inhibitor-3 and calcium-activated chloride channel 3 as markers for treatment progress.
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Affiliation(s)
- Sara Alkhezayem
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Tanveer A Wani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Salma Wakil
- Department of Genetics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Ashwaq Aljuraysi
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Seema Zargar
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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Song JH, Yu DH, Hwang TS, Seung BJ, Sur JH, Kim YJ, Jung DI. Expression of platelet-derived growth factor receptor-α/ß, vascular endothelial growth factor receptor-2, c-Abl, and c-Kit in canine granulomatous meningoencephalitis and necrotizing encephalitis. Vet Med Sci 2020; 6:965-974. [PMID: 32585777 PMCID: PMC7738704 DOI: 10.1002/vms3.314] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/11/2020] [Accepted: 05/27/2020] [Indexed: 01/21/2023] Open
Abstract
Background Given the active research on targeted therapy using tyrosine kinase (TK) inhibitors (TKIs) in the field of oncology, further studies have recently been conducted to evaluate their use in autoimmune disorders. Based on immunological investigations, previous studies have suggested that granulomatous meningoencephalomyelitis (GME) and necrotizing encephalomyelitis (NE) are similar to multiple sclerosis (MS), which is a human autoimmune demyelinating central nervous system disease. Objectives Considering this perspective, we hypothesized that canine GME and NE have significant expression of one or more TKs, which are associated with human MS pathogenesis. Methods To determine the possible use of conventional multi‐targeted TKIs as a treatment for canine GME and NE, we characterized the immunohistochemical expression of platelet‐derived growth factor receptor (PDGFR)‐α, PDGFR‐ß, vascular endothelial growth factor receptor (VEGFR)‐2, c‐Abl and c‐Kit in GME and NE samples. Results Histological samples from four dogs with GME and three with NE were retrieved. All samples stained positive for PDGFR‐ß (7/7 [100%]). PDGFR‐α and c‐Kit were expressed in 3/7 (42.8%) samples each. c‐Abl was identified in 2/7 (28.5%) samples; no sample showed VEGFR‐2 (0%) expression. Co‐expression of TKs was identified in 6/7 (85.7%) dogs. Conclusions All samples were positive for at least one or more of PDGFR‐α, PDGFR‐ß, c‐Kit and c‐Abl, which are known as the target TKs of conventional multi‐targeted TKIs. Their presence does suggest that these TKs may play a role in the pathogenesis of GME and NE. Therefore, multi‐targeted TKIs may provide benefits in the treatment of canine GME and NE by suppressing the activity of these TKs.
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Affiliation(s)
- Joong-Hyun Song
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Do-Hyeon Yu
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Tae-Sung Hwang
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Byung-Joon Seung
- Department of Pathobiology, Small Animal Tumor Diagnostic Center, College of Veterinary Medicine, Konkuk University, Seoul, 05029, Republic of Korea
| | - Jung-Hyang Sur
- Department of Pathobiology, Small Animal Tumor Diagnostic Center, College of Veterinary Medicine, Konkuk University, Seoul, 05029, Republic of Korea
| | - Young Joo Kim
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA, 91766-1854, USA
| | - Dong-In Jung
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
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Alanazi MM, Alkahtani HM, Almehizia AA, Attwa MW, Bakheit AH, Darwish HW. Validated liquid chromatography tandem mass spectrometry for simultaneous quantification of foretinib and lapatinib, and application to metabolic stability investigation. RSC Adv 2019; 9:19325-19332. [PMID: 35519400 PMCID: PMC9064977 DOI: 10.1039/c9ra03251g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 06/10/2019] [Indexed: 11/21/2022] Open
Abstract
Foretinib metabolic rate is decreased in combination with lapatinib. Lapatinib metabolic rate is greatly increased in combination with foretinib. Dose recalculation should be considered when foretinib and lapatinib are used in combination.
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Affiliation(s)
- Mohammed M. Alanazi
- Department of Pharmaceutical Chemistry
- College of Pharmacy
- King Saud University
- Riyadh
- Saudi Arabia
| | - Hamad M. Alkahtani
- Department of Pharmaceutical Chemistry
- College of Pharmacy
- King Saud University
- Riyadh
- Saudi Arabia
| | | | - Mohamed W. Attwa
- Department of Pharmaceutical Chemistry
- College of Pharmacy
- King Saud University
- Riyadh
- Saudi Arabia
| | - Ahmed H. Bakheit
- Department of Pharmaceutical Chemistry
- College of Pharmacy
- King Saud University
- Riyadh
- Saudi Arabia
| | - Hany W. Darwish
- Department of Pharmaceutical Chemistry
- College of Pharmacy
- King Saud University
- Riyadh
- Saudi Arabia
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14
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Tullemans BME, Nagy M, Sabrkhany S, Griffioen AW, Oude Egbrink MGA, Aarts M, Heemskerk JWM, Kuijpers MJE. Tyrosine Kinase Inhibitor Pazopanib Inhibits Platelet Procoagulant Activity in Renal Cell Carcinoma Patients. Front Cardiovasc Med 2018; 5:142. [PMID: 30460241 PMCID: PMC6232667 DOI: 10.3389/fcvm.2018.00142] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 09/24/2018] [Indexed: 01/03/2023] Open
Abstract
Pazopanib is an angiostatic tyrosine kinase inhibitor (TKI) presently used for cancer treatment, particularly in patients with renal cell carcinoma (RCC). This treatment can be accompanied by mild bleeding as an adverse effect. Given the role of protein tyrosine kinases in platelet activation processes, we investigated whether and how pazopanib can affect platelet functions in purified systems and during treatment of advanced RCC patients. In isolated platelets from healthy volunteers, pazopanib dose-dependently reduced collagen-induced integrin activation and secretion, as well as platelet aggregation. Pazopanib addition diminished glycoprotein (GP) VI-dependent tyrosine phosphorylation of multiple platelet proteins, including the tyrosine kinase Syk. Furthermore, pazopanib inhibited GPVI-induced Ca2+ elevation, resulting in reduced exposure of the procoagulant phospholipid phosphatidylserine (PS). Upon perfusion of control blood over a collagen surface, pazopanib inhibited thrombus size as well as PS exposure. Blood samples from 10 RCC patients were also analyzed before and after 14 days of pazopanib treatment as monotherapy. This treatment caused an overall lowering in platelet count, with 3 out of 10 patients experiencing mild bleeding. Platelets isolated from pazopanib-treated patients showed a significant lowering of PS exposure upon activation. In addition, platelet procoagulant activity was inhibited in thrombi formed under flow conditions. Control experiments indicated that higher pazopanib concentrations were required to inhibit GPVI-mediated PS exposure in the presence of plasma. Together, these results indicated that pazopanib suppresses GPVI-induced platelet activation responses in a way partly antagonized by the presence of plasma. In treated cancer patients, pazopanib effects were confined to a reduction in GPVI-dependent PS exposure. Together with the reduced platelet count, this may explain the mild bleeding tendency observed in pazopanib-treated patients.
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Affiliation(s)
- Bibian M E Tullemans
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
| | - Magdolna Nagy
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
| | - Siamack Sabrkhany
- Department of Physiology, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
| | - Arjan W Griffioen
- Angiogenesis Laboratory, Department of Medical Oncology, VU Medical Center, Amsterdam, Netherlands
| | - Mirjam G A Oude Egbrink
- Department of Physiology, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
| | - Maureen Aarts
- Department of Medical Oncology, Maastricht University Medical Center, Maastricht, Netherlands
| | - Johan W M Heemskerk
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
| | - Marijke J E Kuijpers
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, Netherlands
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15
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Attwa MW, Kadi AA, Darwish HW, Amer SM, Alrabiah H. A reliable and stable method for the determination of foretinib in human plasma by LC-MS/MS: Application to metabolic stability investigation and excretion rate. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2018; 24:344-351. [PMID: 29629565 DOI: 10.1177/1469066718768327] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Foretinib (GSK1363089) is a multiple receptor tyrosine kinases inhibitor. In this study, a reliable, fast liquid chromatography-tandem mass spectrometric method was described for assaying foretinib in plasma, urine, and rat liver microsome samples. Simple extraction procedure by protein preciptation with acetonitrile was implemented for foretinib and brigatinib (internal standard) analysis. Chromatographic resolution of analytes was achieved on C18 column with the help of isocratic mobile phase. The binary mobile phase consisted of 60% ammonium formate (10 mM, pH 4.2) and 40% acetonitrile at a flow rate of 0.25 mL/min. Run time was 3 min, and both foretinib and brigatinib were eluted within 0.74 and 1.95 min; they were detected in positive ion mode utilizing multiple reactions monitoring mode. Linearity of the proposed method ranged from 5 to 500 ng/mL (r2 ≥ 0.9993) in the human plasma. Lower limit of quantification and detection were 6.0 and 1.8 ng/mL, respectively. Intraday and interday precision and accuracy were 0.16 to 1.67 % and -2.39 to -0.52 %. In vitro half-life and intrinsic clearance were 24.93 min and 6.56 mL/min/kg, respectively. Literature review showed that no previous studies have been proposed for the analytical quantification of foretinib in human plasma or its metabolic stability. The established method was also applied to estimate the rate of foretinib excretion in rat urine. The developed method can be used for foretinib pharmacokinetic applications.
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Affiliation(s)
- Mohamed W Attwa
- 1 Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Adnan A Kadi
- 1 Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Hany W Darwish
- 1 Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
- 2 Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Sawsan M Amer
- 2 Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Haitham Alrabiah
- 1 Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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16
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Kadi AA, Amer SM, Darwish HW, Attwa MW. Characterization of in vivo metabolites in rat urine following an oral dose of masitinib by liquid chromatography tandem mass spectrometry. Chem Cent J 2018; 12:61. [PMID: 29766296 PMCID: PMC5953916 DOI: 10.1186/s13065-018-0429-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Accepted: 05/04/2018] [Indexed: 02/03/2023] Open
Abstract
Masitinib (MST) is an orally administered drug that targets mast cells and macrophages, important cells for immunity, by inhibiting a limited number of tyrosine kinases. It is currently registered in Europe and USA for the treatment of mast cell tumors in dogs. AB Science announced that the European Medicines Agency has accepted a conditional marketing authorization application for MST to treat amyotrophic lateral sclerosis. In our work, we focused on studying in vivo metabolism of MST in Sprague–Dawley rats. Single oral dose of MST (33 mg kg−1) was given to Sprague–Dawley rats (kept in metabolic cages) using oral gavage. Urine was collected and filtered at 0, 6, 12, 18, 24, 48, 72 and 96 h from MST dosing. An equal amount of ACN was added to urine samples. Both organic and aqueous layers were injected into liquid chromatography-tandem mass spectrometry (LC–MS/MS) to detect in vivo phase I and phase II MST metabolites. The current work reports the identification and characterization of twenty in vivo phase I and four in vivo phase II metabolites of MST by LC–MS/MS. Phase I metabolic pathways were reduction, demethylation, hydroxylation, oxidative deamination, oxidation and N-oxide formation. Phase II metabolic pathways were the direct conjugation of MST, N-demethyl metabolites and oxidative metabolites with glucuronic acid. Part of MST dose was excreted unchanged in urine. The literature review showed no previous articles have been made on in vivo metabolism of MST or detailed structural identification of the formed in vivo phase I and phase II metabolites.![]()
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Affiliation(s)
- Adnan A Kadi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Sawsan M Amer
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St, Cairo, 11562, Egypt
| | - Hany W Darwish
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia.,Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St, Cairo, 11562, Egypt
| | - Mohamed W Attwa
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia. .,Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St, Cairo, 11562, Egypt.
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17
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Amer SM, Kadi AA, Darwish HW, Attwa MW. Liquid chromatography tandem mass spectrometry method for the quantification of vandetanib in human plasma and rat liver microsomes matrices: metabolic stability investigation. Chem Cent J 2017; 11:45. [PMID: 29086823 PMCID: PMC5449356 DOI: 10.1186/s13065-017-0274-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 05/19/2017] [Indexed: 01/08/2023] Open
Abstract
Vandetanib (VNT) is a new oral tyrosine kinase inhibitor that acts mainly by inhibiting vascular endothelial growth factor receptor (VEGFR). Fast, specific, sensitive and validated LC–MS/MS was established for the determination of VNT in two various matrices including rat liver microsomes (RLMs) and human plasma. This method was applied in metabolic stability investigation of VNT. Resolution of two analytes was performed using C18 column and isocratic mobile phase composed of binary system of 10 mM ammonium formate (pH 4.1) and acetonitrile in a ratio of 1:1. The flow rate was set at 0.25 mL/min and total run time was 4 min with injection volume of 5 µL. Ions were generated by ESI source and analyzed by multiple reaction monitoring mode (basis for quantification) in the Agilent 6410 QqQ analyzer. The linearity of the established method ranged from 5 to 500 ng/mL (r2 ≥ 0.9996) in human plasma and RLMs. LOQ and LOD were 2.48 and 7.52 ng/mL, and 2.14 and 6.49 in human plasma and RLMs matrices. The intra-day and inter-day precision and accuracy were 0.66–2.66% and 95.05–99.17% in human plasma matrix while in RLMs matrix, ranged from 0.97 to 3.08% and 95.8 to 100.09%, respectively. In vitro half-life was 39.85 min and intrinsic clearance was 3.92 ± 0.28 mL/min/kg.
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Affiliation(s)
- Sawsan M Amer
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo, 11562, Egypt
| | - Adnan A Kadi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Kingdom of Saudi Arabia
| | - Hany W Darwish
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo, 11562, Egypt.,Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Kingdom of Saudi Arabia
| | - Mohamed W Attwa
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo, 11562, Egypt. .,Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Kingdom of Saudi Arabia.
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18
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Kadi AA, Amer S, Darwish HW, Attwa MW. LC-MS/MS reveals the formation of aldehydes and iminium reactive intermediates in foretinib metabolism: phase I metabolic profiling. RSC Adv 2017. [DOI: 10.1039/c7ra06341e] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Using LC-MS/MS, six phase I foretinib metabolites in addition to four potential reactive metabolites, two aldehydes and two iminium ions, were detected and the bioactivation pathways were proposed.
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Affiliation(s)
- Adnan A. Kadi
- Department of Pharmaceutical Chemistry
- College of Pharmacy
- King Saud University
- Riyadh
- Kingdom of Saudi Arabia
| | - Sawsan M. Amer
- Analytical Chemistry Department
- Faculty of Pharmacy
- Cairo University
- Cairo 11562
- Egypt
| | - Hany W. Darwish
- Department of Pharmaceutical Chemistry
- College of Pharmacy
- King Saud University
- Riyadh
- Kingdom of Saudi Arabia
| | - Mohamed W. Attwa
- Department of Pharmaceutical Chemistry
- College of Pharmacy
- King Saud University
- Riyadh
- Kingdom of Saudi Arabia
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19
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Amer S, Kadi AA, Darwish HW, Attwa MW. Identification and characterization of in vitro phase I and reactive metabolites of masitinib using a LC-MS/MS method: bioactivation pathway elucidation. RSC Adv 2017. [DOI: 10.1039/c6ra25767d] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
In vitro phase I metabolic reactions & cyano conjugates of masitinib.
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Affiliation(s)
- Sawsan M. Amer
- Analytical Chemistry Department
- Faculty of Pharmacy
- Cairo University
- Cairo 11562
- Egypt
| | - Adnan A. Kadi
- Department of Pharmaceutical Chemistry
- College of Pharmacy
- King Saud University
- Riyadh
- Kingdom of Saudi Arabia
| | - Hany W. Darwish
- Analytical Chemistry Department
- Faculty of Pharmacy
- Cairo University
- Cairo 11562
- Egypt
| | - Mohamed W. Attwa
- Analytical Chemistry Department
- Faculty of Pharmacy
- Cairo University
- Cairo 11562
- Egypt
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20
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Petrakis TG, Komseli ES, Papaioannou M, Vougas K, Polyzos A, Myrianthopoulos V, Mikros E, Trougakos IP, Thanos D, Branzei D, Townsend P, Gorgoulis VG. Exploring and exploiting the systemic effects of deregulated replication licensing. Semin Cancer Biol 2016; 37-38:3-15. [PMID: 26707000 DOI: 10.1016/j.semcancer.2015.12.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 12/10/2015] [Accepted: 12/15/2015] [Indexed: 02/07/2023]
Abstract
Maintenance and accurate propagation of the genetic material are key features for physiological development and wellbeing. The replication licensing machinery is crucial for replication precision as it ensures that replication takes place once per cell cycle. Thus, the expression status of the components comprising the replication licensing apparatus is tightly regulated to avoid re-replication; a form of replication stress that leads to genomic instability, a hallmark of cancer. In the present review we discuss the mechanistic basis of replication licensing deregulation, which leads to systemic effects, exemplified by its role in carcinogenesis and a variety of genetic syndromes. In addition, new insights demonstrate that above a particular threshold, the replication licensing factor Cdc6 acts as global transcriptional regulator, outlining new lines of exploration. The role of the putative replication licensing factor ChlR1/DDX11, mutated in the Warsaw Breakage Syndrome, in cancer is also considered. Finally, future perspectives focused on the potential therapeutic advantage by targeting replication licensing factors, and particularly Cdc6, are discussed.
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Affiliation(s)
- Theodoros G Petrakis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, School of Medicine, University of Athens, Athens, Greece
| | - Eirini-Stavroula Komseli
- Molecular Carcinogenesis Group, Department of Histology and Embryology, School of Medicine, University of Athens, Athens, Greece
| | - Marilena Papaioannou
- Molecular Carcinogenesis Group, Department of Histology and Embryology, School of Medicine, University of Athens, Athens, Greece
| | - Kostas Vougas
- Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | | | | | - Emmanuel Mikros
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Athens, Athens, Greece
| | - Ioannis P Trougakos
- Department of Cell Biology and Biophysics, Faculty of Biology, University of Athens, Athens, Greece
| | - Dimitris Thanos
- Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Dana Branzei
- FIRC (Fondazione Italiana per la Ricerca sul Cancro) Institute of Molecular Oncology (IFOM), Milan, Italy
| | - Paul Townsend
- Faculty Institute of Cancer Sciences, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Vassilis G Gorgoulis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, School of Medicine, University of Athens, Athens, Greece; Biomedical Research Foundation of the Academy of Athens, Athens, Greece; Faculty Institute of Cancer Sciences, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK.
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21
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Sah BNP, Vasiljevic T, McKechnie S, Donkor ON. Identification of Anticancer Peptides from Bovine Milk Proteins and Their Potential Roles in Management of Cancer: A Critical Review. Compr Rev Food Sci Food Saf 2015; 14:123-138. [DOI: 10.1111/1541-4337.12126] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Accepted: 12/03/2014] [Indexed: 01/06/2023]
Affiliation(s)
- B. N. P. Sah
- College of Health and Biomedicine; Victoria Univ; Werribee Campus; PO Box 14428 Melbourne Victoria 8001 Australia
| | - T. Vasiljevic
- College of Health and Biomedicine; Victoria Univ; Werribee Campus; PO Box 14428 Melbourne Victoria 8001 Australia
| | - S. McKechnie
- College of Engineering and Science; Victoria Univ; Werribee Campus; PO Box 14428 Melbourne Victoria 8001 Australia
| | - O. N. Donkor
- College of Health and Biomedicine; Victoria Univ; Werribee Campus; PO Box 14428 Melbourne Victoria 8001 Australia
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22
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Uso de terapia antifactor de crecimiento vascular endotelial en patología corneal. REVISTA MEXICANA DE OFTALMOLOGÍA 2014. [DOI: 10.1016/j.mexoft.2014.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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23
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Traini S, Piccolo E, Tinari N, Rossi C, La Sorda R, Spinella F, Bagnato A, Lattanzio R, D'Egidio M, Di Risio A, Tomao F, Grassadonia A, Piantelli M, Natoli C, Iacobelli S. Inhibition of tumor growth and angiogenesis by SP-2, an anti-lectin, galactoside-binding soluble 3 binding protein (LGALS3BP) antibody. Mol Cancer Ther 2014; 13:916-25. [PMID: 24552775 DOI: 10.1158/1535-7163.mct-12-1117] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Accumulating evidence indicates that serum and tissue levels of lectin, galactoside-binding soluble 3 binding protein (LGALS3BP), a secreted glycoprotein, are elevated in human cancers. Recently, we have identified LGALS3BP as a factor capable of stimulating angiogenesis of microvascular endothelial cells in vitro as well as in vivo. However, the potential therapeutic implications of LGALS3BP function blockade have not been explored yet. Here, we tested the ability of an anti-LGALS3BP mouse monoclonal antibody, SP-2, to antagonize LGALS3BP-induced angiogenesis and tumor growth. The antibody was found to inhibit endothelial cell tubulogenesis induced by either conditioned medium of breast cancer and melanoma cells or human recombinant LGALS3BP. In addition, SP-2 inhibited phosphorylation of FAK and its recruitment to membrane sites as well as AKT and ERK phosphorylation promoted by LGALS3BP. When used in vivo, the antibody restrained LGALS3BP-stimulated angiogenesis and growth of tumor xenografts. Furthermore, the combination of SP-2 and low-dose bevacizumab was more effective than either agent alone. Taken together, these results lead to consideration of SP-2 as a promising candidate for LGALS3BP-targeted therapy.
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Affiliation(s)
- Sara Traini
- Authors' Affiliations: MediaPharma s.r.l.; Department of Experimental and Clinical Sciences, "G. D'Annunzio" University, Chieti; Laboratory of Molecular Pathology, Regina Elena National Cancer Institute, Rome; and Department of Gynaecology and Obstetrics, Sapienza University of Rome, Rome, Italy
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Mahon FX, Etienne G. Deep molecular response in chronic myeloid leukemia: the new goal of therapy? Clin Cancer Res 2013; 20:310-22. [PMID: 24166905 DOI: 10.1158/1078-0432.ccr-13-1988] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Chronic myeloid leukemia (CML) is caused by formation of the BCR-ABL1 fusion protein. Tyrosine kinase inhibitors (TKI) that target BCR-ABL1 are now the standard of care for patients with CML. Molecular monitoring of residual BCR-ABL1 mRNA transcripts, typically performed using real-time quantitative PCR, has improved treatment management, particularly for patients with CML in chronic phase. Major molecular response (MMR; i.e., a ≥3-log reduction in BCR-ABL1 transcript levels) is used in current treatment guidelines to assess prognosis. Recent evidence suggests that deeper molecular responses (≥4-log reductions in BCR-ABL1 transcript levels), particularly when attained early during treatment, may have even better correlation with long-term outcomes, including survival and disease progression. Furthermore, achieving deep molecular response is a requirement for entering trials evaluating treatment-free remission (TFR). In this review, we discuss the evolving definition of minimal residual disease and the various levels of molecular response under evaluation in current clinical studies. In addition, the available clinical data on achieving MMR and deeper levels of molecular response with TKI therapy, the prognostic value of deep molecular response, and factors that may predict a patient's ability to achieve and sustain a deep molecular response on TKI therapy are also discussed. Available data from TFR studies are addressed. We discuss current knowledge of the ideal conditions for attempting treatment discontinuation, factors predictive of molecular relapse, when TKI therapy should be restarted, and which therapeutic strategies (when administered in the first-line setting and beyond) are expected to best enable successful TFR.
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Affiliation(s)
- François-Xavier Mahon
- Authors' Affiliations: Laboratoire d'Hématologie, Centre Hospitalier Universitaire de Bordeaux and Laboratoire Hématopoïèse Leucémique et Cible Thérapeutique, Biothérapies des maladies génétiques et cancers, Inserm U1035, Université Bordeaux Ségalen; and Centre Régional de Lutte Contre le Cancer de Bordeaux et du Sud-Ouest, Institut Bergonié, Département d'Oncologie Médicale, Bordeaux, France
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25
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Patel G, Karver CE, Behera R, Guyett PJ, Sullenberger C, Edwards P, Roncal NE, Mensa-Wilmot K, Pollastri MP. Kinase scaffold repurposing for neglected disease drug discovery: discovery of an efficacious, lapatinib-derived lead compound for trypanosomiasis. J Med Chem 2013; 56:3820-32. [PMID: 23597080 DOI: 10.1021/jm400349k] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Human African trypanosomiasis (HAT) is a neglected tropical disease caused by the protozoan parasite Trypanosoma brucei . Because drugs in use against HAT are toxic and require intravenous dosing, new drugs are needed. Initiating lead discovery campaigns by using chemical scaffolds from drugs approved for other indications can speed up drug discovery for neglected diseases. We demonstrated recently that the 4-anilinoquinazolines lapatinib (GW572016, 1) and canertinib (CI-1033) kill T. brucei with low micromolar EC50 values. We now report promising activity of analogues of 1, which provided an excellent starting point for optimization of the chemotype. Our compound optimization that has led to synthesis of several potent 4-anilinoquinazolines, including NEU617, 23a, a highly potent, orally bioavailable inhibitor of trypanosome replication. At the cellular level, 23a blocks duplication of the kinetoplast and arrests cytokinesis, making it a new chemical tool for studying regulation of the trypanosome cell cycle.
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Affiliation(s)
- Gautam Patel
- Department of Chemistry and Chemical Biology and Center for Drug Discovery, Northeastern University, Boston, Massachusetts 02115, USA
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26
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Chang JH, Garg NK, Lunde E, Han KY, Jain S, Azar DT. Corneal neovascularization: an anti-VEGF therapy review. Surv Ophthalmol 2012; 57:415-29. [PMID: 22898649 DOI: 10.1016/j.survophthal.2012.01.007] [Citation(s) in RCA: 260] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Revised: 01/14/2012] [Accepted: 01/16/2012] [Indexed: 01/02/2023]
Abstract
Corneal neovascularization is a serious condition that can lead to a profound decline in vision. The abnormal vessels block light, cause corneal scarring, compromise visual acuity, and may lead to inflammation and edema. Corneal neovascularization occurs when the balance between angiogenic and antiangiogenic factors is tipped toward angiogenic molecules. Vascular endothelial growth factor (VEGF), one of the most important mediators of angiogenesis, is upregulated during neovascularization. In fact, anti-VEGF agents have efficacy in the treatment of neovascular age-related macular degeneration, diabetic retinopathy, macular edema, neovascular glaucoma, and other neovascular diseases. These same agents have great potential for the treatment of corneal neovascularization. We review some of the most promising anti-VEGF therapies, including bevacizumab, VEGF trap, siRNA, and tyrosine kinase inhibitors.
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Affiliation(s)
- Jin-Hong Chang
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago 60612, USA.
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27
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Petrola MJ, de Castro AJM, Pitombeira MHDS, Barbosa MC, Quixadá ATDS, Duarte FB, Gonçalves RP. Serum concentrations of nitrite and malondialdehyde as markers of oxidative stress in chronic myeloid leukemia patients treated with tyrosine kinase inhibitors. Rev Bras Hematol Hemoter 2012; 34:352-5. [PMID: 23125543 PMCID: PMC3486825 DOI: 10.5581/1516-8484.20120091] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Accepted: 06/15/2012] [Indexed: 11/27/2022] Open
Abstract
Background: Chronic myeloid leukemia is a neoplasm characterized by clonal expansion of hematopoietic progenitor cells resulting from the (9:22)(q34,11) translocation. The tyrosine kinase abl fusion protein,the initial leukemogenic event in chronic myeloid leukemia, is constitutively activated thus inducing the production of reactive oxygen species. Of particular relevance is the fact that an increase in reactive oxygen species can facilitate genomic instability and may contribute to disease progression. Objetive: To evaluate oxidative stress by determining the levels of malondialdehyde and nitrite in chronic myeloid leukemia patients under treatment with 1st and 2nd generation tyrosine kinase inhibitors monitored at a referral hospital in Fortaleza, Ceará. Methods: A cross-sectional study was performed of 64 male and female adults. Patients were stratified according to treatment. The levels of malondialdehyde and nitrite were determined by spectrophotometry. Statistical differences between groups were observed using the Student t-test and Fisher's exact test. The results are expressed as mean ± standard error of mean. The significance level was set for a p-value < 0.05 in all analyses. Results: The results show significantly higher mean concentrations of nitrite and malondialdehyde in chronic myeloid leukemia patients using second-generation tyrosine kinase inhibitors compared to patients on imatinib. Conclusion: It follows that chronic myeloid leukemia patients present higher oxidative activity and that the increases in oxidative damage markers can indicate resistance to 1st generation tyrosine kinase inhibitors.
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Abstract
Many epithelial and endothelial cells express a cholinergic autocrine loop in which acetylcholine acts as a growth factor to stimulate cell growth. Cancers derived from these tissues similarly express a cholinergic autocrine loop and ACh secreted by the cancer or neighboring cells interacts with M3 muscarinic receptors expressed on the cancer cells to stimulate tumor growth. Primary proliferative pathways involve MAPK and Akt activation. The ability of muscarinic agonists to stimulate, and M3 antagonists to inhibit tumor growth has clearly been demonstrated for lung and colon cancer. The ability of muscarinic agonists to stimulate growth has been shown for melanoma, pancreatic, breast, ovarian, prostate and brain cancers, suggesting that M3 antagonists will also inhibit growth of these tumors as well. As yet no clinical trials have proven the efficacy of M3 antagonists as cancer therapeutics, though the widespread clinical use and low toxicity of M3 antagonists support the potential role of these drugs as adjuvants to current cancer therapies.
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Affiliation(s)
- Eliot R Spindel
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health and Science University, 505 NW 185th Avenue, Beaverton, OR 97006, USA.
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Erguven M, Bilir A, Yazihan N, Korkmaz S, Aktas E, Ovalioglu C, Dundar T, Seyithanoglu H. Imatinib mesylate decreases the cytotoxic effect of roscovitine on human glioblastoma cells in vitro and the role of midkine. Oncol Lett 2011; 3:200-208. [PMID: 22740881 DOI: 10.3892/ol.2011.434] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Accepted: 08/31/2011] [Indexed: 01/16/2023] Open
Abstract
The purpose of the present study was to overcome resistance to imatinib (IM) by combining it with roscovitine (ROSC) and to investigate whether or not midkine (MK) had an effect on this combination in the treatment of glioblastoma (GBL). Human T98 GBL cells were used to evaluate the effects of IM (10 μM), ROSC (200 μM) and their combination on the cell proliferation index, apoptotic index, the apoptotic protein and anti-apoptotic protein levels, and ultrastructure. All applications decreased the cell proliferation index and increased the apoptotic index, but ROSC was the most efficient drug and the second most efficient drug was IM. Notably, ROSC increased anti-apoptotic proteins levels (PDGFR-α, AQP-4, hTERT), COX-1 activity and ribosome numbers. The effects of ROSC on hTERT, MK, AQP-4 and MRP-1 levels and COX-1 activity were reported for the first time. ROSC induced the highest increase in caspase-3 levels. Autophagy was not involved in the activity of ROSC in GBL spheroids. The combination of IM with ROSC showed an antagonist effect in the treatment of human GBL cells. The combination group decreased certain anti-apoptotic protein levels (PDGFR-α, EGFR, p-gp, MRP-1 and MK), cAMP levels, COX-1 activity and apoptotic protein levels (caspase-3). However, it induced the highest increase in hTERT levels and COX-2 activity. Ribosome numbers were much lower than those in the ROSC group and no autophagic vacuole was observed. In conclusion, more investigations are required to identify the key regulatory components that are responsible for this antagonism; however, the determination of this combination therapy as a failure therapy may be precautionary for oncologists in the treatment of GBL patients and potentially may contribute to the efficacy of new therapeutic regimens.
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Affiliation(s)
- Mine Erguven
- Faculty of Medicine, Department of Biochemistry, Yeni Yüzyıl University, Istanbul
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Abstract
OBJECTIVE To review hyperparathyroid syndromes and genes. METHODS Pertinent original studies from the literature are discussed. RESULTS Six main hyperparathyroid syndromes are recognized; 5 are from germline mutations in 4 genes-CASR, MEN1, RET, and HRPT2. Each hyperparathyroid syndrome was first described around 1965; the main gene for each syndrome was identified about 30 years later. Gene identification addressed clinical issues. (1) Testing for mutation carriers among affected probands or among unaffected relatives is more robust than prior methods, which were based on syndromal traits such as serum calcium. (2) Interpreting a gene test (RET) could guide an important intervention; other gene tests could yield useful information for patients and physicians. (3) Proving the roles of each gene (in particular, MEN1 somatic mutations) provided insights about contributions to many common tumors. (4) Clarifying molecular pathways and drugs led, for example, to the CASR-aided development of calcimimetic and calcilytic drugs. (5) Explaining novel features, such as the CASR gene encoding a membrane calcium-sensing receptor and its mutations resulting in nonsuppressed parathyroid hormone secretion uncoupled from proliferation, characterized familial hypocalciuric hypercalcemia. (6) Disclosing probands without an identifiable mutation promoted searches for other syndromal genes. Subsequently, rare multiple endocrine neoplasia type 1-like families were shown to have inactivating germline mutations, first of p27 and subsequently of p15, p18, or p21. CONCLUSION The next frontier in mutation detection is arriving, with possible sequencing of the whole exome or even the whole genome for 1 case or 1 tumor at an affordable cost.
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Affiliation(s)
- Stephen J Marx
- Metabolic Diseases Branch and Genetics and Endocrinology Section, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA.
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Abstract
PURPOSE OF REVIEW We used two examples of genes, TP53 and EGFR, which are somatically altered by intragenic mutations in common cancer types to illustrate how somatic mutations have followed very different routes to clinical applications. RECENT FINDINGS TP53 somatic mutations are frequent in many cancers. Their prognostic and predictive values are currently assessed in several clinical trials and TP53 gene therapy is in use in China. Mutations in EGFR have been proved to be predictive of response to tyrosine kinase inhibitors, allowing for the licensing of gefitinib in lung adenocarcinomas carrying a mutated EGFR gene. SUMMARY With the accumulation of knowledge on the predictive and prognostic value of somatic mutations, and with recent advances in large-scale sequencing techniques and reduction in cost of sequencing, sequencing several genes in human tumors is on the verge of becoming routine clinical practice.
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DiNitto JP, Wu JC. Molecular mechanisms of drug resistance in tyrosine kinases cAbl and cKit. Crit Rev Biochem Mol Biol 2011; 46:295-309. [PMID: 21539479 DOI: 10.3109/10409238.2011.578612] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The inhibition of protein kinases has gained general acceptance as an effective approach to treat a wide range of cancers. However, in many cases, prolonged administration of kinase inhibitors often leads to acquired resistance, and the therapeutic effect is subsequently diminished. The wealth of recent studies using biochemical, kinetic, and structural approaches have revealed the molecular basis for the clinically observed resistance. In this review, we highlight several of the most common molecular mechanisms that lead to acquired resistance to kinase inhibitors observed with the cAbl (cellular form of the Abelson leukemia virus tyrosine kinase) and the type III receptor tyrosine kinase cKit, including a newly identified mechanism resulting from accelerated kinase activation caused by mutations in the activation loop. Strategies to overcome the loss of drug sensitivity that represents a challenge currently facing the field and the emerging approaches to circumvent resistance are discussed.
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Tailoring tyrosine kinase inhibitors to fit the lung cancer genome. Transl Oncol 2011; 4:59-70. [PMID: 21461169 DOI: 10.1593/tlo.10241] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2010] [Revised: 10/20/2010] [Accepted: 11/01/2010] [Indexed: 12/19/2022] Open
Abstract
Tyrosine kinase inhibitors (TKIs) have been in use as cancer therapeutics for nearly a decade, and their utility in targeting specific malignancies with defined genetic lesions has proven to be remarkably effective. Recent efforts to characterize the spectrum of genetic lesions found in non-small cell lung carcinoma (NSCLC) have provided important insights into the molecular basis of this disease and have also revealed a wide array of tyrosine kinases that might be effectively targeted for rationally designed therapies. The findings of these studies, however, also provide a cautionary tale about the limitations of single-agent therapies, which fail to account for the genetic heterogeneity and pathway redundancy that characterize advanced NSCLC. Emergence of drug resistance mechanisms to specific TKIs, such as gefitinib and erlotinib, suggests that more sophisticated chemotherapeutic paradigms that target multiple pathways at the same time will be required to effectively treat this disease.
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