1
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Pham DT, Tran TD. Drivergene.net: A Cytoscape app for the identification of driver nodes of large-scale complex networks and case studies in discovery of drug target genes. Comput Biol Med 2024; 179:108888. [PMID: 39047507 DOI: 10.1016/j.compbiomed.2024.108888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 06/15/2024] [Accepted: 07/11/2024] [Indexed: 07/27/2024]
Abstract
There are no tools to identify driver nodes of large-scale networks in approach of competition-based controllability. This study proposed a novel method for this computation of large-scale networks. It implemented the method in a new Cytoscape plug-in app called Drivergene.net. Experiments of the software on large-scale biomolecular networks have shown outstanding speed and computing power. Interestingly, 86.67% of the top 10 driver nodes found on these networks are anticancer drug target genes that reside mostly at the innermost K-cores of the networks. Finally, compared method with those of five other researchers and confirmed that the proposed method outperforms the other methods on identification of anticancer drug target genes. Taken together, Drivergene.net is a reliable tool that efficiently detects not only drug target genes from biomolecular networks but also driver nodes of large-scale complex networks. Drivergene.net with a user manual and example datasets are available https://github.com/tinhpd/Drivergene.git.
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Affiliation(s)
- Duc-Tinh Pham
- Complex Systems and Bioinformatics Lab, Hanoi University of Industry, 298 Cau Dien Street, Bac Tu Liem District, Hanoi, Viet Nam; Graduate University of Science and Technology, Academy of Science and Technology Viet Nam, 18 Hoang Quoc Viet Street, Cau Giay District, Hanoi, Viet Nam
| | - Tien-Dzung Tran
- Complex Systems and Bioinformatics Lab, Hanoi University of Industry, 298 Cau Dien Street, Bac Tu Liem District, Hanoi, Viet Nam; Faculty of Information and Communication Technology, Hanoi University of Industry, 298 Cau Dien Street, Bac Tu Liem District, Hanoi, Viet Nam.
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2
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Johnson D, Colijn S, Richee J, Yano J, Burns M, Davis AE, Pham VN, Saric A, Jain A, Yin Y, Castranova D, Melani M, Fujita M, Grainger S, Bonifacino JS, Weinstein BM, Stratman AN. Regulation of angiogenesis by endocytic trafficking mediated by cytoplasmic dynein 1 light intermediate chain 1. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.01.587559. [PMID: 38903077 PMCID: PMC11188074 DOI: 10.1101/2024.04.01.587559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Dynein cytoplasmic 1 light intermediate chain 1 (LIC1, DYNC1LI1) is a core subunit of the dynein motor complex. The LIC1 subunit also interacts with various cargo adaptors to regulate Rab-mediated endosomal recycling and lysosomal degradation. Defects in this gene are predicted to alter dynein motor function, Rab binding capabilities, and cytoplasmic cargo trafficking. Here, we have identified a dync1li1 zebrafish mutant, harboring a premature stop codon at the exon 12/13 splice acceptor site, that displays increased angiogenesis. In vitro, LIC1-deficient human endothelial cells display increases in cell surface levels of the pro-angiogenic receptor VEGFR2, SRC phosphorylation, and Rab11-mediated endosomal recycling. In vivo, endothelial-specific expression of constitutively active Rab11a leads to excessive angiogenesis, similar to the dync1li1 mutants. Increased angiogenesis is also evident in zebrafish harboring mutations in rilpl1/2, the adaptor proteins that promote Rab docking to Lic1 to mediate lysosomal targeting. These findings suggest that LIC1 and the Rab-adaptor proteins RILPL1 and 2 restrict angiogenesis by promoting degradation of VEGFR2-containing recycling endosomes. Disruption of LIC1- and RILPL1/2-mediated lysosomal targeting increases Rab11-mediated recycling endosome activity, promoting excessive SRC signaling and angiogenesis.
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Affiliation(s)
- Dymonn Johnson
- Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO 63110
| | - Sarah Colijn
- Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO 63110
| | - Jahmiera Richee
- Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO 63110
| | - Joseph Yano
- Section on Vertebrate Organogenesis, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
- Cell and Molecular Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104
| | - Margaret Burns
- Section on Vertebrate Organogenesis, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
| | - Andrew E. Davis
- Section on Vertebrate Organogenesis, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
| | - Van N. Pham
- Section on Vertebrate Organogenesis, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
| | - Amra Saric
- Section on Intracellular Protein Trafficking, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
- Neurosciences and Mental Health Program, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, ON, M5G 0A4, Canada
| | - Akansha Jain
- Section on Intracellular Protein Trafficking, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
| | - Ying Yin
- Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO 63110
| | - Daniel Castranova
- Section on Vertebrate Organogenesis, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
| | - Mariana Melani
- Section on Vertebrate Organogenesis, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
- Fundación Instituto Leloir, Buenos Aires, Argentina
- Consejo Nacional De Investigaciones Científicas Y Técnicas (CONICET), Buenos Aires, Argentina
- Departamento De Fisiología, Biología Molecular Y Celular, Facultad De Ciencias Exactas Y Naturales, Universidad De Buenos Aires, Buenos Aires, Argentina
| | - Misato Fujita
- Section on Vertebrate Organogenesis, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
- Kanagawa University, Kanagawa, 221-8686, Japan
| | - Stephanie Grainger
- Department of Cell Biology, Van Andel Institute, Grand Rapids, MI, 49503
| | - Juan S. Bonifacino
- Section on Intracellular Protein Trafficking, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
| | - Brant M. Weinstein
- Section on Vertebrate Organogenesis, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892
| | - Amber N. Stratman
- Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO 63110
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3
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Scianò F, Terrana F, Pecoraro C, Parrino B, Cascioferro S, Diana P, Giovannetti E, Carbone D. Exploring the therapeutic potential of focal adhesion kinase inhibition in overcoming chemoresistance in pancreatic ductal adenocarcinoma. Future Med Chem 2024; 16:271-289. [PMID: 38269431 DOI: 10.4155/fmc-2023-0234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/27/2023] [Indexed: 01/26/2024] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is among the leading causes of cancer-related deaths worldwide. Focal adhesion kinase (FAK) is a nonreceptor tyrosine kinase often overexpressed in PDAC. FAK has been linked to cell migration, survival, proliferation, angiogenesis and adhesion. This review first highlights the chemoresistant nature of PDAC. Second, the role of FAK in PDAC cancer progression and resistance is carefully described. Additionally, it discusses recent developments of FAK inhibitors as valuable drugs in the treatment of PDAC, with a focus on diamine-substituted-2,4-pyrimidine-based compounds, which represent the most potent class of FAK inhibitors in clinical trials for the treatment of PDAC disease. To conclude, relevant computational studies performed on FAK inhibitors are reported to highlight the key structural features required for interaction with the protein, with the aim of optimizing this novel targeted therapy.
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Affiliation(s)
- Fabio Scianò
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Francesca Terrana
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Camilla Pecoraro
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Barbara Parrino
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Stella Cascioferro
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Patrizia Diana
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Elisa Giovannetti
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, VU University Medical Center (VUmc) De Boelelaan 1117, Amsterdam, 1081HV, The Netherlands
- Cancer Pharmacology Lab, Fondazione Pisana per la Scienza, Via Ferruccio Giovannini 13, San Giuliano Terme, Pisa, 56017, Italy
| | - Daniela Carbone
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
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4
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Zhou X, Zhuang Y, Liu X, Gu Y, Wang J, Shi Y, Zhang L, Li R, Zhao Y, Chen H, Li J, Yao H, Li L. Study on tumour cell-derived hybrid exosomes as dasatinib nanocarriers for pancreatic cancer therapy. ARTIFICIAL CELLS, NANOMEDICINE, AND BIOTECHNOLOGY 2023; 51:532-546. [PMID: 37948136 DOI: 10.1080/21691401.2023.2264358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 09/23/2023] [Indexed: 11/12/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the leading causes of cancer-related death. Therefore, we intend to explore novel strategies against PDAC. The exosomes-based biomimetic nanoparticle is an appealing candidate served as a drug carrier in cancer treatment, due to its inherit abilities. In the present study, we designed dasatinib-loaded hybrid exosomes by fusing human pancreatic cancer cells derived exosomes with dasatinib-loaded liposomes, followed by characterization for particle size (119.9 ± 6.10 nm) and zeta potential (-11.45 ± 2.24 mV). Major protein analysis from western blot techniques reveal the presence of exosome marker proteins CD9 and CD81. PEGylated hybrid exosomes showed pH-sensitive drug release in acidic condition, benefiting drug delivery to acidic cancer environment. Dasatinib-loaded hybrid exosomes exhibited significantly higher uptake rates and cytotoxicity to parent PDAC cells by two-sample t-test or by one-way ANOVA analysis of variance, as compared to free drug or liposomal formulations. The results from our computational analysis demonstrated that the drug-likeness, ADMET, and protein-ligand binding affinity of dasatinib are verified successfully. Cancer derived hybrid exosomes may serve as a potential therapeutic candidate for pancreatic cancer treatment.
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Affiliation(s)
- Xiaofei Zhou
- Key Laboratory of Antibiotic Bioengineering of National Health and Family Planning Commission (NHFPC), Institute of Medicinal Biotechnology (IMB), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing, China
- Department of Clinical Research Center, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
| | - Yuetang Zhuang
- Key Laboratory of Antibiotic Bioengineering of National Health and Family Planning Commission (NHFPC), Institute of Medicinal Biotechnology (IMB), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing, China
| | - Xiaohong Liu
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yaowen Gu
- Institute of Medical Information/Library, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Department of Chemistry, NY University, New York City, NY, USA
| | - Junting Wang
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Yuchen Shi
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Li Zhang
- Key Laboratory of Antibiotic Bioengineering of National Health and Family Planning Commission (NHFPC), Institute of Medicinal Biotechnology (IMB), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing, China
| | - Rui Li
- Key Laboratory of Antibiotic Bioengineering of National Health and Family Planning Commission (NHFPC), Institute of Medicinal Biotechnology (IMB), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing, China
| | - Yelin Zhao
- Key Laboratory of Antibiotic Bioengineering of National Health and Family Planning Commission (NHFPC), Institute of Medicinal Biotechnology (IMB), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing, China
| | - Hebing Chen
- Beijing Institute of Radiation Medicine, Beijing, China
| | - Jiao Li
- Institute of Medical Information/Library, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Hongjuan Yao
- Key Laboratory of Antibiotic Bioengineering of National Health and Family Planning Commission (NHFPC), Institute of Medicinal Biotechnology (IMB), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing, China
| | - Liang Li
- Key Laboratory of Antibiotic Bioengineering of National Health and Family Planning Commission (NHFPC), Institute of Medicinal Biotechnology (IMB), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing, China
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5
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Poh AR, Ernst M. Functional roles of SRC signaling in pancreatic cancer: Recent insights provide novel therapeutic opportunities. Oncogene 2023:10.1038/s41388-023-02701-x. [PMID: 37120696 DOI: 10.1038/s41388-023-02701-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 04/19/2023] [Indexed: 05/01/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive malignant disease with a 5-year survival rate of <10%. Aberrant activation or elevated expression of the tyrosine kinase c-SRC (SRC) is frequently observed in PDAC and is associated with a poor prognosis. Preclinical studies have revealed a multifaceted role for SRC activation in PDAC, including promoting chronic inflammation, tumor cell proliferation and survival, cancer cell stemness, desmoplasia, hypoxia, angiogenesis, invasion, metastasis, and drug resistance. Strategies to inhibit SRC signaling include suppressing its catalytic activity, inhibiting protein stability, or by interfering with signaling components of the SRC signaling pathway including suppressing protein interactions of SRC. In this review, we discuss the molecular and immunological mechanisms by which aberrant SRC activity promotes PDAC tumorigenesis. We also provide a comprehensive update of SRC inhibitors in the clinic, and discuss the clinical challenges associated with targeting SRC in pancreatic cancer.
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Affiliation(s)
- Ashleigh R Poh
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC, 3084, Australia.
| | - Matthias Ernst
- Olivia Newton-John Cancer Research Institute and La Trobe University School of Cancer Medicine, Melbourne, VIC, 3084, Australia.
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6
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Lee D, Hong JH. Activated PyK2 and Its Associated Molecules Transduce Cellular Signaling from the Cancerous Milieu for Cancer Metastasis. Int J Mol Sci 2022; 23:ijms232415475. [PMID: 36555115 PMCID: PMC9779422 DOI: 10.3390/ijms232415475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 11/28/2022] [Accepted: 12/05/2022] [Indexed: 12/12/2022] Open
Abstract
PyK2 is a member of the proline-rich tyrosine kinase and focal adhesion kinase families and is ubiquitously expressed. PyK2 is mainly activated by stimuli, such as activated Src kinases and intracellular acidic pH. The mechanism of PyK2 activation in cancer cells has been addressed extensively. The up-regulation of PyK2 through overexpression and enhanced phosphorylation is a key feature of tumorigenesis and cancer migration. In this review, we summarized the cancer milieu, including acidification and cancer-associated molecules, such as chemical reagents, interactive proteins, chemokine-related molecules, calcium channels/transporters, and oxidative molecules that affect the fate of PyK2. The inhibition of PyK2 leads to a beneficial strategy to attenuate cancer cell development, including metastasis. Thus, we highlighted the effect of PyK2 on various cancer cell types and the distribution of molecules that affect PyK2 activation. In particular, we underlined the relationship between PyK2 and cancer metastasis and its potential to treat cancer cells.
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7
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Princiotto S, Musso L, Manetti F, Marcellini V, Maga G, Crespan E, Perini C, Zaffaroni N, Beretta GL, Dallavalle S. Synthesis and biological activity evaluation of 3-(hetero) arylideneindolin-2-ones as potential c-Src inhibitors. J Enzyme Inhib Med Chem 2022; 37:2382-2394. [PMID: 36050846 PMCID: PMC9448371 DOI: 10.1080/14756366.2022.2117317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Inhibition of c-Src is considered one of the most studied approaches to cancer treatment, with several heterocyclic compounds approved during the last 15 years as chemotherapeutic agents. Starting from the biological evaluation of an in-house collection of small molecules, indolinone was selected as the most promising scaffold. In this work, several functionalised indolinones were synthesised and their inhibitory potency and cytotoxic activity were assayed. The pharmacological profile of the most active compounds, supported by molecular modelling studies, revealed that the presence of an amino group increased the affinity towards the ATP-binding site of c-Src. At the same time, bulkier derivatizations seemed to improve the interactions within the enzymatic pocket. Overall, these data represent an early stage towards the optimisation of new, easy-to-be functionalised indolinones as potential c-Src inhibitors.
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Affiliation(s)
- Salvatore Princiotto
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Milan, Italy
| | - Loana Musso
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Milan, Italy
| | - Fabrizio Manetti
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università di Siena, Siena, Italy
| | - Valentina Marcellini
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università di Siena, Siena, Italy
| | - Giovanni Maga
- Institute of Molecular Genetics IGM, CNR "Luigi Luca Cavalli-Sforza", Pavia, Italy
| | - Emmanuele Crespan
- Institute of Molecular Genetics IGM, CNR "Luigi Luca Cavalli-Sforza", Pavia, Italy
| | - Cecilia Perini
- Institute of Molecular Genetics IGM, CNR "Luigi Luca Cavalli-Sforza", Pavia, Italy
| | - Nadia Zaffaroni
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Giovanni Luca Beretta
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Sabrina Dallavalle
- Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, Milan, Italy
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8
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Alidoust Saharkhiz Lahiji M, Safari F. Potential therapeutic effects of hAMSCs secretome on Panc1 pancreatic cancer cells through downregulation of SgK269, E-cadherin, vimentin, and snail expression. Biologicals 2022; 76:24-30. [PMID: 35216916 DOI: 10.1016/j.biologicals.2022.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 01/17/2022] [Accepted: 02/15/2022] [Indexed: 11/30/2022] Open
Abstract
Pancreatic cancer is one of the leading causes of death from cancer worldwide. The current treatment options for pancreatic cancer are unsuccessful and thereby, finding novel and more effective therapeutic strategies is urgently required. Stem cells-based therapies are currently believed to be a potential promising option in cancer therapy. Herein, we are interested in evaluating the therapeutic effects of human amniotic mesenchymal stromal cells (hAMSCs) secretome on tumor growth suppression and EMT inhibition in Panc1 pancreatic cancer cells using 2D and 3D cell culture models. For this purpose, we employed a co-culture system using 6-well Transwell plates with a pore diameter of 0.4 μm. After 72 h treatment of Panc1 cancer cells with hAMSCs, the expression of c-Src, EGFR, SgK269, E-cadherin, Vimentin, Snail transcriptional factor, Bax, Bcl2, and caspase 3 was analyzed by quantitative real-time PCR (qRT-PCR) and Western blot methods. Our results showed significant reduction in tumor cell growth and motility through downregulation of c-Src, EGFR, SgK269, E-cadherin, Vimentin, and Snail transcriptional factor expression in Panc1 pancreatic cancer cells. The induction of cellular apoptosis was also found. Our finding supports the idea that the secretome from hAMSCS has therapeutic effects on cancer cells.
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Affiliation(s)
| | - Fatemeh Safari
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran.
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9
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Safari F, Shafiee Nejad N, Aghaei Nejad A. The inhibition of Panc1 cancer cells invasion by hAMSCs secretome through suppression of tyrosine phosphorylation of SGK223 (at Y411 site), c-Src (at Y416, Y530 sites), AKT activity, and JAK1/Stat3 signaling. Med Oncol 2022; 39:28. [PMID: 35059869 DOI: 10.1007/s12032-022-01649-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 01/05/2022] [Indexed: 11/30/2022]
Abstract
SGK223 is a scaffolding protein involving in the oncogenic tyrosine kinase signaling. SGK223 was phosphorylated at Y411 by c-Src and in response to the Epidermal growth factor receptor (EGFR). Tyrosine phosphorylated SGK223 at Y411 enables to interact with CSK resulting up regulation of c-Src activity and promotion of the cell migration. Human amniotic mesenchymal stromal cells (hAMSCs) are a population of multipotent cells that it was considered to be as a potential platform in cancer therapy. Herein, we employed a co-culture system to clarify the effects of hAMSCs secretome through tyrosine phosphorylation of c-Src, SGK223, AKT activity, and JAK1/Stat3 signaling in Panc1 pancreatic cancer cells. By using the 0.4 μm pore sized transwell membranes, both cell lines were firstly co-cultured for 72 h. Next, c-Src activity (tyrosine phosphorylation levels at Y530 and Y416), tyrosine phosphorylation level of SGK223 (at Y411), AKT activity, and JAK1/Stat3 signaling in Panc1 cells after treatment with hAMSCs were evaluated. Our results showed that hAMSCs have the inhibitory effects on Panc1 pancreatic cancer cells invasion and it suggests that the suppression of c-Src activity, SGK223 expression, AKT activity, and JAK1/Stat3 signaling may be as critical targets in pancreatic cancer therapy.
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Affiliation(s)
- Fatemeh Safari
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran.
| | - Nasim Shafiee Nejad
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
| | - Azadeh Aghaei Nejad
- Department of Biology, University Campus 2, University of Guilan, Rasht, Iran
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10
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Zhao Q, Kohut A, Li YJ, Martincuks A, Austria T, Zhang C, Santiago NL, Borrero RM, Phan XT, Melstrom L, Rodriguez-Rodriguez L, Yu H. Niraparib-induced STAT3 inhibition increases its antitumor effects. Front Oncol 2022; 12:966492. [PMID: 36324587 PMCID: PMC9618811 DOI: 10.3389/fonc.2022.966492] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 09/21/2022] [Indexed: 11/18/2022] Open
Abstract
Recently, poly(ADP-ribosyl)ation polymerase inhibitors (PARPis), which induce synthetic lethality of tumor cells with DNA damage repair defects, have emerged as a promising therapy for ovarian, breast, and pancreatic cancer. Although the PARPi Olaparib is limited to treating cancer patients with DNA repair deficiencies, the PARPi Niraparib is FDA approved to treat ovarian cancer patients regardless of their status in DNA repair pathways. Despite differences in the affinity to PARP enzymes, the rationale behind the clinical use of Niraparib in patients without DNA repair deficiencies is still lacking. Moreover, only Olaparib has been approved for pancreatic ductal adenocarcinoma (PDAC) patients with BRCA mutations, accounting for only 5-7% of total PDACs. It remains unclear whether Niraparib could be beneficial to PDACs without BRCA mutations. We found that Niraparib inhibits ovarian and PDAC tumor cell growth, regardless of BRCA mutational status, more effectively than Olaparib. Unlike Olaparib, which is known to activate STAT3, Niraparib inhibits STAT3 activity in ovarian and PDAC cancer cell lines and patient tumors. Moreover, Niraparib regulates the expression of several STAT3 downstream genes involved in apoptosis. Overexpression of a constitutively activated STAT3 mutant rescues Niraparib-induced cancer cell apoptosis. Our results suggest that Niraparib inhibits pSTAT3 by interfering with SRC tyrosine kinase. Collectively, our studies provide a mechanism underlying Niraparib's ability to induce tumor cell apoptosis without BRCA mutations, suggesting the potential use of Niraparib for treating PDAC patients regardless of BRCA status.
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Affiliation(s)
- Qianqian Zhao
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, United States.,Irell and Manella Graduate School of Biological Sciences, City of Hope National Medical Center, Duarte, CA, United States
| | - Adrian Kohut
- Department of Surgery, Division of Gynecologic Oncology, City of Hope National Medical Center, Duarte, CA, United States
| | - Yi-Jia Li
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, United States
| | - Antons Martincuks
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, United States
| | - Theresa Austria
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, United States
| | - Chunyan Zhang
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, United States
| | - Nicole Lugo Santiago
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, United States
| | - Rosemarie Martinez Borrero
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, United States.,Irell and Manella Graduate School of Biological Sciences, City of Hope National Medical Center, Duarte, CA, United States
| | - Xuan Thuy Phan
- Department of Surgery, Division of Surgical Oncology, City of Hope National Medical Center, Duarte, CA, United States
| | - Laleh Melstrom
- Department of Surgery, Division of Surgical Oncology, City of Hope National Medical Center, Duarte, CA, United States
| | - Lorna Rodriguez-Rodriguez
- Department of Surgery, Division of Gynecologic Oncology, City of Hope National Medical Center, Duarte, CA, United States
| | - Hua Yu
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, United States
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11
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Lee V, Griffin TD, Suzuki-Horiuchi Y, Wushanley L, Kweon Y, Marshall C, Li W, Ayli E, Haimovic A, Hines A, Seykora JT. Downregulation of Src-family tyrosine kinases by Srcasm and c-Cbl: A comparative analysis. J Carcinog 2021; 20:21. [PMID: 34729053 PMCID: PMC8531571 DOI: 10.4103/jcar.jcar_13_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/29/2021] [Accepted: 07/28/2021] [Indexed: 11/04/2022] Open
Abstract
AIM Elevated Src-Family tyrosine kinase (SFK) activity drives carcinogenesis in vivo and elevated SFK activity is found ubiquitously in human cancers. Although human squamous cell carcinomas (SCCs) demonstrate increased SFK activity, in silico analysis of SCCs demonstrates that only 0.4% of lesions contain mutations that could potentially increase SFK activity; similarly, a low frequency of activating SFK mutations is found in other major cancers. These findings indicate that SFK activation in cancers likely is not due to activating mutations but alternative mechanisms. To evaluate potential alternative mechanisms, we evaluated the selectivity of c-Cbl and Srcasm in downregulating native and activated mutant forms of SFKs. MATERIALS AND METHODS We co-transfected native and activated forms of Src and Fyn with c-Cbl and Srcasm into HaCaT cells and monitored the ability of Srcasm and c-Cbl to downregulate native and activated forms of SFKs by Western blotting. The mechanism of downregulation was probed using mutant forms of Srcasm and c-Cbl and using proteosomal and lysosomal inhibition. RESULTS The data indicate that Srcasm downregulates native Fyn and Src more effectively than c-Cbl, whereas c-Cbl preferentially downregulates activated SFK mutants, including Fyn Y528F, more effectively than Srcasm. Srcasm downregulates SFKs through a lysosomal-dependent mechanism while c-Cbl utilizes a proteosomal-dependent mechanism. CONCLUSION Given the rarity of activating SFK mutations in human cancer, these data indicate that decreasing Srcasm level/function may represent a mechanism for increasing SFK activity in SCC and other human tumors.
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Affiliation(s)
- Vivian Lee
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.,Department of Ophthalmology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Thomas D Griffin
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Yoko Suzuki-Horiuchi
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Lily Wushanley
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Yerin Kweon
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Christine Marshall
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Weijie Li
- Department of Pathology and Laboratory Medicine, Children's Mercy Hospital, Kansas City, MO, USA
| | - Elias Ayli
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Adele Haimovic
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Aliya Hines
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - John T Seykora
- Department of Dermatology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
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12
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Amer M, Shi L, Wolfenson H. The 'Yin and Yang' of Cancer Cell Growth and Mechanosensing. Cancers (Basel) 2021; 13:4754. [PMID: 34638240 PMCID: PMC8507527 DOI: 10.3390/cancers13194754] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/07/2021] [Accepted: 09/16/2021] [Indexed: 01/06/2023] Open
Abstract
In cancer, two unique and seemingly contradictory behaviors are evident: on the one hand, tumors are typically stiffer than the tissues in which they grow, and this high stiffness promotes their malignant progression; on the other hand, cancer cells are anchorage-independent-namely, they can survive and grow in soft environments that do not support cell attachment. How can these two features be consolidated? Recent findings on the mechanisms by which cells test the mechanical properties of their environment provide insight into the role of aberrant mechanosensing in cancer progression. In this review article, we focus on the role of high stiffness on cancer progression, with particular emphasis on tumor growth; we discuss the mechanisms of mechanosensing and mechanotransduction, and their dysregulation in cancerous cells; and we propose that a 'yin and yang' type phenomenon exists in the mechanobiology of cancer, whereby a switch in the type of interaction with the extracellular matrix dictates the outcome of the cancer cells.
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Affiliation(s)
- Malak Amer
- Department of Genetics and Developmental Biology, Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa 31096, Israel
| | - Lidan Shi
- Department of Genetics and Developmental Biology, Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa 31096, Israel
| | - Haguy Wolfenson
- Department of Genetics and Developmental Biology, Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa 31096, Israel
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13
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Park N, Park Y, Yadav AK, Shin Y, Bishop‐Bailey D, Choi J, Park JW, Jang B. Anti-growth and pro-apoptotic effects of dasatinib on human oral cancer cells through multi-targeted mechanisms. J Cell Mol Med 2021; 25:8300-8311. [PMID: 34318593 PMCID: PMC8419177 DOI: 10.1111/jcmm.16782] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 05/29/2021] [Accepted: 06/15/2021] [Indexed: 12/17/2022] Open
Abstract
Dasatinib is an inhibitor of Src that has anti-tumour effects on many haematological and solid cancers. However, the anti-tumour effects of dasatinib on human oral cancers remain unclear. In this study, we investigated the effects of dasatinib on different types of human oral cancer cells: the non-tumorigenic YD-8 and YD-38 and the tumorigenic YD-10B and HSC-3 cells. Strikingly, dasatinib at 10 µM strongly suppressed the growth and induced apoptosis of YD-38 cells and inhibited the phosphorylation of Src, EGFR, STAT-3, STAT-5, PKB and ERK-1/2. In contrast, knockdown of Src blocked the phosphorylation of EGFR, STAT-5, PKB and ERK-1/2, but not STAT-3, in YD-38 cells. Dasatinib induced activation of the intrinsic caspase pathway, which was inhibited by z-VAD-fmk, a pan-caspase inhibitor. Dasatinib also decreased Mcl-1 expression and S6 phosphorylation while increased GRP78 expression and eIF-2α phosphorylation in YD-38 cells. In addition, to its direct effects on YD-38 cells, dasatinib also exhibited anti-angiogenic properties. Dasatinib-treated YD-38 or HUVEC showed reduced HIF-1α expression and stability. Dasatinib alone or conditioned media from dasatinib-treated YD-38 cells inhibited HUVEC tube formation on Matrigel without affecting HUVEC viability. Importantly, dasatinib's anti-growth, anti-angiogenic and pro-apoptotic effects were additionally seen in tumorigenic HSC-3 cells. Together, these results demonstrate that dasatinib has strong anti-growth, anti-angiogenic and pro-apoptotic effects on human oral cancer cells, which are mediated through the regulation of multiple targets, including Src, EGFR, STAT-3, STAT-5, PKB, ERK-1/2, S6, eIF-2α, GRP78, caspase-9/3, Mcl-1 and HIF-1α.
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Affiliation(s)
- Nam‐Sook Park
- Department of Molecular MedicineCollege of MedicineKeimyung UniversityDaeguKorea
| | - Yu‐Kyung Park
- Department of Molecular MedicineCollege of MedicineKeimyung UniversityDaeguKorea
| | - Anil Kumar Yadav
- Department of Molecular MedicineCollege of MedicineKeimyung UniversityDaeguKorea
| | - Young‐Min Shin
- Department of DentistryCollege of MedicineKeimyung UniversityDaeguKorea
| | | | - Jong‐Soon Choi
- Biological Disaster Analysis GroupDivision of Convergence BiotechnologyKorea Basic Science InstituteDaejeonKorea
- Graduate School of Analytical Science and TechnologyChungnam National UniversityDaejeonKorea
| | - Jong Wook Park
- Department of ImmunologyCollege of MedicineKeimyung UniversityDaeguKorea
| | - Byeong‐Churl Jang
- Department of Molecular MedicineCollege of MedicineKeimyung UniversityDaeguKorea
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14
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Lee S, Kim J, Jo J, Chang JW, Sim J, Yun H. Recent advances in development of hetero-bivalent kinase inhibitors. Eur J Med Chem 2021; 216:113318. [PMID: 33730624 DOI: 10.1016/j.ejmech.2021.113318] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/16/2021] [Accepted: 02/16/2021] [Indexed: 12/13/2022]
Abstract
Identifying a pharmacological agent that targets only one of more than 500 kinases present in humans is an important challenge. One potential solution to this problem is the development of bivalent kinase inhibitors, which consist of two connected fragments, each bind to a dissimilar binding site of the bisubstrate enzyme. The main advantage of bivalent (type V) kinase inhibitors is generating more interactions with target enzymes that can enhance the molecules' selectivity and affinity compared to single-site inhibitors. Earlier type V inhibitors were not suitable for the cellular environment and were mostly used in in vitro studies. However, recently developed bivalent compounds have high kinase affinity, high biological and chemical stability in vivo. This review summarized the hetero-bivalent kinase inhibitors described in the literature from 2014 to the present. We attempted to classify the molecules by serine/threonine and tyrosine kinase inhibitors, and then each target kinase and its hetero-bivalent inhibitor was assessed in depth. In addition, we discussed the analysis of advantages, limitations, and perspectives of bivalent kinase inhibitors compared with the monovalent kinase inhibitors.
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Affiliation(s)
- Seungbeom Lee
- College of Pharmacy, CHA University, Pocheon-si, Gyeonggi-do, 11160, Republic of Korea
| | - Jisu Kim
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea
| | - Jeyun Jo
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea
| | - Jae Won Chang
- Department of Pharmacology & Chemical Biology, School of Medicine, Emory University, Atlanta, GA, USA; Department of Hematology & Medical Oncology, School of Medicine, Emory University, Atlanta, GA, USA; Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Jaehoon Sim
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Hwayoung Yun
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea.
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15
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Rahmani Z, Safari F. Evaluating the in vitro therapeutic effects of human amniotic mesenchymal stromal cells on MiaPaca2 pancreatic cancer cells using 2D and 3D cell culture model. Tissue Cell 2020; 68:101479. [PMID: 33383360 DOI: 10.1016/j.tice.2020.101479] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 12/04/2020] [Accepted: 12/05/2020] [Indexed: 01/01/2023]
Abstract
Human amniotic mesenchymal stromal cells (hAMSCs) are considered as a population of multipotent cells. The molecular events associated with mesenchymal stromal cell (MSC)/tumor cell interactions should be studied to identify the role of MSCs on suppressing or inducing the key signaling pathways of tumor cells. Thus, designing therapeutic approaches is considered as important. In the present study, hAMSCs and MiaPaca2 cells were first cultured separately. In addition, both cell lines were co-cultured by using 0.4 μm pore sized transwell membranes in different times. Further, the RNA of the cells was extracted, and Bcl2, Bax, epidermal growth factor receptor (EGFR), c-Src, C-terminal Src Kinase (CSK), and SGK223 expression were analyzed through quantitative real time PCR. Furthermore, the total cell lysates of the cells were prepared and analyzed by using western blot. Based on the results, the expression of EGFR, c-Src, SGK223, and CSK in MiaPaca2 cells reduced after treating with hAMSCs. Notably, the cellular apoptosis of MiaPaca2 cells was induced in 2D cell culture system. Further, the anti-cancer activity of conditioned medium from hAMSCs was confirmed in a 3D cell culture model by using hanging drop technique. Finally, hAMSCs have inhibitory effects on pancreatic cancer cells and can be considered as a therapeutic way to suppress EGFR, c-Src, and SGK223, as the potent targets in cancer cell signaling.
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Affiliation(s)
- Zahra Rahmani
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
| | - Fatemeh Safari
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran.
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16
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Abstract
Epigenetic reprogramming is emerging as a key mechanism for metastasis development. Our study identified a novel regulatory mechanism whereby promoter methylation-mediated epigenetic silencing of the gene encoding the ubiquitin ligase subunit F-box/LRR-repeat protein 7 (FBXL7) induces accumulation of active c-SRC, which, in turn, activates epithelial-to-mesenchymal transition and supports cancer cell invasion and metastasis.
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Affiliation(s)
- Loredana Moro
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY, USA.,Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA.,Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies, National Research Council, Bari, Italy
| | - Michele Pagano
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY, USA.,Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA.,Howard Hughes Medical Institute, New York University Grossman School of Medicine, New York, NY, USA
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17
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Targeting SRC Kinase Signaling in Pancreatic Cancer Stem Cells. Int J Mol Sci 2020; 21:ijms21207437. [PMID: 33050159 PMCID: PMC7588004 DOI: 10.3390/ijms21207437] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 10/03/2020] [Accepted: 10/04/2020] [Indexed: 02/06/2023] Open
Abstract
The proto-oncogene nonreceptor tyrosine-protein kinase SRC is a member of the SRC family of tyrosine kinases (SFKs), and its activation and overexpression have been shown to play a protumorigenic role in multiple solid cancers, including pancreatic ductal adenocarcinoma (PDAC). PDAC is currently the seventh-leading cause of cancer-related death worldwide, and, by 2030, it is predicted to become the second-leading cause of cancer-related death in the United States. PDAC is characterized by its high lethality (5-year survival of rate of <10%), invasiveness, and chemoresistance, all of which have been shown to be due to the presence of pancreatic cancer stem cells (PaCSCs) within the tumor. Due to the demonstrated overexpression of SRC in PDAC, we set out to determine if SRC kinases are important for PaCSC biology using pharmacological inhibitors of SRC kinases (dasatinib or PP2). Treatment of primary PDAC cultures established from patient-derived xenografts with dasatinib or PP2 reduced the clonogenic, self-renewal, and tumor-initiating capacity of PaCSCs, which we attribute to the downregulation of key signaling factors such as p-FAK, p-ERK1-2, and p-AKT. Therefore, this study not only validates that SRC kinases are relevant and biologically important for PaCSCs but also suggests that inhibitors of SRC kinases may represent a possible future treatment option for PDAC patients, although further studies are still needed.
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18
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Mao Y, Soni K, Sangani C, Yao Y. An Overview of Privileged Scaffold: Quinolines and Isoquinolines in Medicinal Chemistry as Anticancer Agents. Curr Top Med Chem 2020; 20:2599-2633. [PMID: 32942976 DOI: 10.2174/1568026620999200917154225] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/01/2020] [Accepted: 06/11/2020] [Indexed: 12/31/2022]
Abstract
Cancer is one of the most difficult diseases and causes of death for many decades. Many pieces of research are continuously going on to get a solution for cancer. Quinoline and isoquinoline derivatives have shown their possibilities to work as an antitumor agent in anticancer treatment. The members of this privileged scaffold quinoline and isoquinoline have shown their controlling impacts on cancer treatment through various modes. In particular, this review suggests the current scenario of quinoline and isoquinoline derivatives as antitumor agents and refine the path of these derivatives to find and develop new drugs against an evil known as cancer.
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Affiliation(s)
- Yanna Mao
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Zhengzhou Children's Hospital,
Zhengzhou University, Zhengzhou 450018, China
| | - Kunjal Soni
- Shri Maneklal M. Patel Institute of Sciences and Research, Kadi Sarva Vishwavidyalaya University, Gandhinagar, Gujarat 362024, India
| | - Chetan Sangani
- Shri Maneklal M. Patel Institute of Sciences and Research, Kadi Sarva Vishwavidyalaya University, Gandhinagar, Gujarat 362024, India
| | - Yongfang Yao
- Henan Provincial Key Laboratory of Children's Genetics and Metabolic Diseases, Zhengzhou Children's Hospital,
Zhengzhou University, Zhengzhou 450018, China,School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
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19
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Moro L, Simoneschi D, Kurz E, Arbini AA, Jang S, Guaragnella N, Giannattasio S, Wang W, Chen YA, Pires G, Dang A, Hernandez E, Kapur P, Mishra A, Tsirigos A, Miller G, Hsieh JT, Pagano M. Epigenetic silencing of the ubiquitin ligase subunit FBXL7 impairs c-SRC degradation and promotes epithelial-to-mesenchymal transition and metastasis. Nat Cell Biol 2020; 22:1130-1142. [PMID: 32839549 PMCID: PMC7484425 DOI: 10.1038/s41556-020-0560-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 07/14/2020] [Indexed: 12/12/2022]
Abstract
Epigenetic plasticity is a pivotal factor that drives metastasis. Here, we show that the promoter of the gene that encodes the ubiquitin ligase subunit FBXL7 is hypermethylated in advanced prostate and pancreatic cancers, correlating with decreased FBXL7 mRNA and protein levels. Low FBXL7 mRNA levels are predictive of poor survival in patients with pancreatic and prostatic cancers. FBXL7 mediates the ubiquitylation and proteasomal degradation of active c-SRC after its phosphorylation at Ser 104. The DNA-demethylating agent decitabine recovers FBXL7 expression and limits epithelial-to-mesenchymal transition and cell invasion in a c-SRC-dependent manner. In vivo, FBXL7-depleted cancer cells form tumours with a high metastatic burden. Silencing of c-SRC or treatment with the c-SRC inhibitor dasatinib together with FBXL7 depletion prevents metastases. Furthermore, decitabine reduces metastases derived from prostate and pancreatic cancer cells in a FBXL7-dependent manner. Collectively, this research implicates FBXL7 as a metastasis-suppressor gene and suggests therapeutic strategies to counteract metastatic dissemination of pancreatic and prostatic cancer cells.
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Affiliation(s)
- Loredana Moro
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY, USA.
- Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA.
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies, National Research Council, Bari, Italy.
| | - Daniele Simoneschi
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY, USA
- Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA
| | - Emma Kurz
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY, USA
- Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA
| | - Arnaldo A Arbini
- Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA
- Department of Pathology, New York University Grossman School of Medicine, New York, NY, USA
| | - Shaowen Jang
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY, USA
- Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA
| | - Nicoletta Guaragnella
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies, National Research Council, Bari, Italy
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari "A. Moro", Bari, Italy
| | - Sergio Giannattasio
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies, National Research Council, Bari, Italy
| | - Wei Wang
- Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA
- Department of Surgery, New York University Grossman School of Medicine, New York, NY, USA
| | - Yu-An Chen
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Geoffrey Pires
- Department of Neurology, New York University Grossman School of Medicine, New York, NY, USA
| | - Andrew Dang
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Elizabeth Hernandez
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Payal Kapur
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Ankita Mishra
- Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA
- Department of Surgery, New York University Grossman School of Medicine, New York, NY, USA
| | - Aristotelis Tsirigos
- Department of Pathology, New York University Grossman School of Medicine, New York, NY, USA
| | - George Miller
- Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA
- Department of Surgery, New York University Grossman School of Medicine, New York, NY, USA
| | - Jer-Tsong Hsieh
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Michele Pagano
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY, USA.
- Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY, USA.
- Howard Hughes Medical Institute, New York, NY, USA.
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20
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Ono M, Takeshima M, Nishi A, Higuchi T, Nakano S. Genistein Suppresses v-Src-Driven Proliferative Activity by Arresting the Cell-Cycle at G2/M through Increasing p21 Level in Src-Activated Human Gallbladder Carcinoma cells. Nutr Cancer 2020; 73:1471-1479. [DOI: 10.1080/01635581.2020.1797835] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Misaki Ono
- Graduate School of Health and Nutritional Sciences, Nakamura Gakuen University, Fukuoka, Japan
| | - Mikako Takeshima
- Graduate School of Health and Nutritional Sciences, Nakamura Gakuen University, Fukuoka, Japan
| | - Asuka Nishi
- Graduate School of Health and Nutritional Sciences, Nakamura Gakuen University, Fukuoka, Japan
| | - Takako Higuchi
- Graduate School of Health and Nutritional Sciences, Nakamura Gakuen University, Fukuoka, Japan
| | - Shuji Nakano
- Graduate School of Health and Nutritional Sciences, Nakamura Gakuen University, Fukuoka, Japan
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21
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Matsuda M, Terai K. Experimental pathology by intravital microscopy and genetically encoded fluorescent biosensors. Pathol Int 2020; 70:379-390. [PMID: 32270554 PMCID: PMC7383902 DOI: 10.1111/pin.12925] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/13/2020] [Accepted: 03/16/2020] [Indexed: 01/03/2023]
Abstract
The invention of two‐photon excitation microscopes widens the potential application of intravital microscopy (IVM) to the broad field of experimental pathology. Moreover, the recent development of fluorescent protein‐based, genetically encoded biosensors provides an ideal tool to visualize the cell function in live animals. We start from a brief review of IVM with two‐photon excitation microscopes and genetically encoded biosensors based on the principle of Förster resonance energy transfer (FRET). Then, we describe how IVM using biosensors has revealed the pathogenesis of several disease models.
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Affiliation(s)
- Michiyuki Matsuda
- Department of Pathology and Biology of Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Research Center for Dynamic Living Systems, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Kenta Terai
- Research Center for Dynamic Living Systems, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
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22
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Castillo L, Young AIJ, Mawson A, Schafranek P, Steinmann AM, Nessem D, Parkin A, Johns A, Chou A, Law AMK, Lucas MC, Murphy KJ, Deng N, Gallego-Ortega D, Caldon CE, Timpson P, Pajic M, Ormandy CJ, Oakes SR. MCL-1 antagonism enhances the anti-invasive effects of dasatinib in pancreatic adenocarcinoma. Oncogene 2020; 39:1821-1829. [PMID: 31735913 PMCID: PMC7033042 DOI: 10.1038/s41388-019-1091-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 10/22/2019] [Accepted: 10/28/2019] [Indexed: 11/23/2022]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) remains one of the deadliest malignancies. It is phenotypically heterogeneous with a highly unstable genome and provides few common therapeutic targets. We found that MCL1, Cofilin1 (CFL1) and SRC mRNA were highly expressed by a wide range of these cancers, suggesting that a strategy of dual MCL-1 and SRC inhibition might be efficacious for many patients. Immunohistochemistry revealed that MCL-1 protein was present at high levels in 94.7% of patients in a cohort of PDACs from Australian Pancreatic Genome Initiative (APGI). High MCL1 and Cofilin1 mRNA expression was also strongly predictive of poor outcome in the TCGA dataset and in the APGI cohort. In culture, MCL-1 antagonism reduced the level of the cytoskeletal remodeling protein Cofilin1 and phosphorylated SRC on the active Y416 residue, suggestive of reduced invasive capacity. The MCL-1 antagonist S63845 synergized with the SRC kinase inhibitor dasatinib to reduce cell viability and invasiveness through 3D-organotypic matrices. In preclinical murine models, this combination reduced primary tumor growth and liver metastasis of pancreatic cancer xenografts. These data suggest that MCL-1 antagonism, while reducing cell viability, may have an additional benefit in increasing the antimetastatic efficacy of dasatinib for the treatment of PDAC.
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Affiliation(s)
- Lesley Castillo
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
| | - Adelaide I J Young
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
| | - Amanda Mawson
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
| | - Pia Schafranek
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
| | - Angela M Steinmann
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
| | - Danielle Nessem
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
| | - Ashleigh Parkin
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
| | - Amber Johns
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
- St. Vincent's Clinical School, UNSW Medicine, 384 Victoria Street, Kensington, NSW, 2052, Australia
| | - Angela Chou
- University of Sydney, Camperdown, NSW, 2006, Australia
| | - Andrew M K Law
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
| | - Morghan C Lucas
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
| | - Kendelle J Murphy
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
| | - Niantao Deng
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
- St. Vincent's Clinical School, UNSW Medicine, 384 Victoria Street, Kensington, NSW, 2052, Australia
| | - David Gallego-Ortega
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
- St. Vincent's Clinical School, UNSW Medicine, 384 Victoria Street, Kensington, NSW, 2052, Australia
| | - Catherine E Caldon
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
- St. Vincent's Clinical School, UNSW Medicine, 384 Victoria Street, Kensington, NSW, 2052, Australia
| | - Paul Timpson
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
- St. Vincent's Clinical School, UNSW Medicine, 384 Victoria Street, Kensington, NSW, 2052, Australia
| | - Marina Pajic
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
- St. Vincent's Clinical School, UNSW Medicine, 384 Victoria Street, Kensington, NSW, 2052, Australia
| | - Christopher J Ormandy
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia
- St. Vincent's Clinical School, UNSW Medicine, 384 Victoria Street, Kensington, NSW, 2052, Australia
| | - Samantha R Oakes
- Cancer Research Division, Garvan Institute of Medical Research and the Kinghorn Cancer Centre, 384 Victoria Street, Darlinghurst, NSW, 2010, Australia.
- St. Vincent's Clinical School, UNSW Medicine, 384 Victoria Street, Kensington, NSW, 2052, Australia.
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Joseph J, Radulovich N, Wang T, Raghavan V, Zhu CQ, Tsao MS. Rho guanine nucleotide exchange factor ARHGEF10 is a putative tumor suppressor in pancreatic ductal adenocarcinoma. Oncogene 2019; 39:308-321. [DOI: 10.1038/s41388-019-0985-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 06/10/2019] [Accepted: 06/15/2019] [Indexed: 12/18/2022]
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Parkin A, Man J, Timpson P, Pajic M. Targeting the complexity of Src signalling in the tumour microenvironment of pancreatic cancer: from mechanism to therapy. FEBS J 2019; 286:3510-3539. [PMID: 31330086 PMCID: PMC6771888 DOI: 10.1111/febs.15011] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 05/26/2019] [Accepted: 07/19/2019] [Indexed: 02/06/2023]
Abstract
Pancreatic cancer, a disease with extremely poor prognosis, has been notoriously resistant to virtually all forms of treatment. The dynamic crosstalk that occurs between tumour cells and the surrounding stroma, frequently mediated by intricate Src/FAK signalling, is increasingly recognised as a key player in pancreatic tumourigenesis, disease progression and therapeutic resistance. These important cues are fundamental for defining the invasive potential of pancreatic tumours, and several components of the Src and downstream effector signalling have been proposed as potent anticancer therapeutic targets. Consequently, numerous agents that block this complex network are being extensively investigated as potential antiinvasive and antimetastatic therapeutic agents for this disease. In this review, we will discuss the latest evidence of Src signalling in PDAC progression, fibrotic response and resistance to therapy. We will examine future opportunities for the development and implementation of more effective combination regimens, targeting key components of the oncogenic Src signalling axis, and in the context of a precision medicine-guided approach.
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Affiliation(s)
- Ashleigh Parkin
- The Kinghorn Cancer CentreThe Garvan Institute of Medical ResearchSydneyAustralia
| | - Jennifer Man
- The Kinghorn Cancer CentreThe Garvan Institute of Medical ResearchSydneyAustralia
| | - Paul Timpson
- The Kinghorn Cancer CentreThe Garvan Institute of Medical ResearchSydneyAustralia
- Faculty of MedicineSt Vincent's Clinical SchoolUniversity of NSWSydneyAustralia
| | - Marina Pajic
- The Kinghorn Cancer CentreThe Garvan Institute of Medical ResearchSydneyAustralia
- Faculty of MedicineSt Vincent's Clinical SchoolUniversity of NSWSydneyAustralia
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25
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Wong JP, Stuhlmiller TJ, Giffin LC, Lin C, Bigi R, Zhao J, Zhang W, Bravo Cruz AG, Park SI, Earp HS, Dittmer DP, Frye SV, Wang X, Johnson GL, Damania B. Kinome profiling of non-Hodgkin lymphoma identifies Tyro3 as a therapeutic target in primary effusion lymphoma. Proc Natl Acad Sci U S A 2019; 116:16541-16550. [PMID: 31346082 PMCID: PMC6697815 DOI: 10.1073/pnas.1903991116] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Non-Hodgkin lymphomas (NHLs) make up the majority of lymphoma diagnoses and represent a very diverse set of malignancies. We sought to identify kinases uniquely up-regulated in different NHL subtypes. Using multiplexed inhibitor bead-mass spectrometry (MIB/MS), we found Tyro3 was uniquely up-regulated and important for cell survival in primary effusion lymphoma (PEL), which is a viral lymphoma infected with Kaposi's sarcoma-associated herpesvirus (KSHV). Tyro3 was also highly expressed in PEL cell lines as well as in primary PEL exudates. Based on this discovery, we developed an inhibitor against Tyro3 named UNC3810A, which hindered cell growth in PEL, but not in other NHL subtypes where Tyro3 was not highly expressed. UNC3810A also significantly inhibited tumor progression in a PEL xenograft mouse model that was not seen in a non-PEL NHL model. Taken together, our data suggest Tyro3 is a therapeutic target for PEL.
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Affiliation(s)
- Jason P Wong
- Department of Microbiology and Immunology and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Timothy J Stuhlmiller
- Department of Pharmacology and Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, Chapel Hill, NC 27599
| | - Louise C Giffin
- Department of Microbiology and Immunology and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Carolina Lin
- Department of Microbiology and Immunology and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Rachele Bigi
- Department of Microbiology and Immunology and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
- Department of Microbiology and Immunology and Center for AIDS Research, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Jichen Zhao
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
- Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Weihe Zhang
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
- Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Ariana G Bravo Cruz
- Department of Microbiology and Immunology and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Steven I Park
- Department of Medicine and Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, Chapel Hill, NC 27599
| | - H Shelton Earp
- Department of Medicine and Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, Chapel Hill, NC 27599
| | - Dirk P Dittmer
- Department of Microbiology and Immunology and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
- Department of Microbiology and Immunology and Center for AIDS Research, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Stephen V Frye
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
- Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Xiaodong Wang
- Center for Integrative Chemical Biology and Drug Discovery, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599;
- Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Gary L Johnson
- Department of Pharmacology and Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, Chapel Hill, NC 27599;
| | - Blossom Damania
- Department of Microbiology and Immunology and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599;
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26
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Mettu NB, Niedzwiecki D, Rushing C, Nixon AB, Jia J, Haley S, Honeycutt W, Hurwitz H, Bendell JC, Uronis H. A phase I study of gemcitabine + dasatinib (gd) or gemcitabine + dasatinib + cetuximab (GDC) in refractory solid tumors. Cancer Chemother Pharmacol 2019; 83:1025-1035. [PMID: 30895346 DOI: 10.1007/s00280-019-03805-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 02/22/2019] [Indexed: 12/26/2022]
Abstract
PURPOSE This study was conducted to define the maximum tolerated dose (MTD), recommended phase two dose (RPTD), and toxicities of gemcitabine + dasatinib (GD) and gemcitabine + dasatinib + cetuximab (GDC) in advanced solid tumor patients. METHODS This study was a standard phase I 3 + 3 dose escalation study evaluating two combination regimens, GD and GDC. Patients with advanced solid tumors were enrolled in cohorts of 3-6 to either GD or GDC. Gemcitabine was dosed at 1000 mg/m2 weekly for 3 of 4 weeks, dasatinib was dosed in mg PO BID, and cetuximab was dosed at 250 mg/m2 weekly after a loading dose of cetuximab of 400 mg/m2. There were two dose levels for dasatinib: (1) gemcitabine + dasatinib 50 mg ± cetuximab, and (2) gemcitabine + dasatinib 70 mg ± cetuximab. Cycle length was 28 days. Standard cycle 1 dose-limiting toxicity (DLT) definitions were used. Eligible patients had advanced solid tumors, adequate organ and marrow function, and no co-morbidities that would increase the risk of toxicity. Serum, plasma, and skin biopsy biomarkers were obtained pre- and on-treatment. RESULTS Twenty-five patients were enrolled, including 21 with pancreatic adenocarcinoma. Three patients received prior gemcitabine. Twenty-one patients were evaluable for toxicity and 16 for response. Four DLTs were observed: Grade (Gr) 3 neutropenia (GDC1, n = 1), Gr 3 ALT (GD2, n = 2), and Gr 5 pneumonitis (GDC2, n = 1). Possible treatment-emergent adverse events (TEAEs) in later cycles included: Gr 3-4 neutropenia (n = 7), Gr 4 colitis (n = 1), Gr 3 bilirubin (n = 2), Gr 3 anemia (n = 2), Gr 3 thrombocytopenia (n = 2), Gr 3 edema/fluid retention (n = 1), and Gr 3 vomiting (n = 3). Six of 16 patients (3 of whom were gemcitabine-refractory) had stable disease (SD) as best response, median duration = 5 months (range 1-7). One gemcitabine-refractory patient had a partial response (PR). Median PFS was 2.9 months (95% CI 2.1, 5.8). Median OS was 5.8 months (95% CI 4.1, 11.8). Dermal wound biopsies demonstrated that dasatinib resulted in a decrease of total and phospho-Src levels, and cetuximab resulted in a decrease of EGFR and ERBB2 levels. CONCLUSIONS The MTD/RPTD of GD is gemcitabine 1000 mg/m2 weekly for 3 of 4 weeks and dasatinib 50 mg PO BID. The clinical activity of GD seen in this study was modest, and does not support its further investigation in pancreatic cancer.
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Affiliation(s)
- Niharika B Mettu
- Duke University Medical Center, Seeley G. Mudd Bldg 10 Bryan Searle Drive, Box 3505, Durham, NC, 27710, USA.
| | - Donna Niedzwiecki
- Duke University Medical Center, Seeley G. Mudd Bldg 10 Bryan Searle Drive, Box 3505, Durham, NC, 27710, USA
| | - Christel Rushing
- Duke University Medical Center, Seeley G. Mudd Bldg 10 Bryan Searle Drive, Box 3505, Durham, NC, 27710, USA
| | - Andrew B Nixon
- Duke University Medical Center, Seeley G. Mudd Bldg 10 Bryan Searle Drive, Box 3505, Durham, NC, 27710, USA
| | - Jingquan Jia
- Duke University Medical Center, Seeley G. Mudd Bldg 10 Bryan Searle Drive, Box 3505, Durham, NC, 27710, USA
| | - Sherri Haley
- Duke University Medical Center, Seeley G. Mudd Bldg 10 Bryan Searle Drive, Box 3505, Durham, NC, 27710, USA
| | - Wanda Honeycutt
- Duke University Medical Center, Seeley G. Mudd Bldg 10 Bryan Searle Drive, Box 3505, Durham, NC, 27710, USA
| | | | | | - Hope Uronis
- Duke University Medical Center, Seeley G. Mudd Bldg 10 Bryan Searle Drive, Box 3505, Durham, NC, 27710, USA
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27
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Chen YC, Baik M, Byers JT, Chen KT, French SW, Díaz B. TKS5-positive invadopodia-like structures in human tumor surgical specimens. Exp Mol Pathol 2018; 106:17-26. [PMID: 30439350 DOI: 10.1016/j.yexmp.2018.11.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/02/2018] [Accepted: 11/09/2018] [Indexed: 12/15/2022]
Abstract
Invadopodia, cancer cell protrusions with proteolytic activity, are functionally associated with active remodeling of the extracellular matrix. Here, we show that the invadopodia-related protein TKS5 is expressed in human pancreatic adenocarcinoma lines, and demonstrate that pancreatic cancer cells depend on TKS5 for invadopodia formation and function. Immunofluorescence staining of human pancreatic cancer cells reveals that TKS5 is a marker of mature and immature invadopodia. We also analyze the co-staining patterns of TKS5 and the commonly used invadopodia marker Cortactin, and find only partial co-localization of these two proteins at invadopodia, with a large fraction of TKS5-positive invadopodia lacking detectable levels of Cortactin. Whereas compelling evidence exist on the role of invadopodia as mediators of invasive migration in cultured cells and in animal models of cancer, these structures have never been detected inside human tumors. Here, using antibodies against TKS5 and Cortactin, we describe for the first time structures strongly resembling invadopodia in various paraffin-embedded human tumor surgical specimens from pancreas and other organs. Our results strongly suggest that invadopodia are present inside human tumors, and warrants further investigation on their regulation and occurrence in surgical specimens, and on the value of TKS5 antibodies as pathological research and diagnostic tools.
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Affiliation(s)
- Yu-Chuan Chen
- Division on Medical Oncology Hematology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Matthew Baik
- Division on Medical Oncology Hematology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Joshua T Byers
- Department of Pathology, Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Kathryn T Chen
- Department of Surgery, Harbor-UCLA Medical Center, Torrance, CA, USA; David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Samuel W French
- Department of Pathology, Harbor-UCLA Medical Center, Torrance, CA, USA; David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Begoña Díaz
- Division on Medical Oncology Hematology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA; David Geffen School of Medicine at UCLA, Los Angeles, CA, USA; Jonsson Comprehensive Cancer Center, UCLA, Los Angeles, CA, USA.
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28
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Panic A, Stanimirovic J, Obradovic M, Sudar-Milovanovic E, Perovic M, Lackovic M, Petrovic N, Isenovic ER. Estradiol-mediated regulation of hepatic iNOS in obese rats: Impact of Src, ERK1/2, AMPKα, and miR-221. Biotechnol Appl Biochem 2018; 65:797-806. [PMID: 29957877 DOI: 10.1002/bab.1680] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 06/07/2018] [Accepted: 06/26/2018] [Indexed: 01/19/2023]
Abstract
PURPOSE This study aimed to investigate in vivo effects of estradiol on the regulation of hepatic inducible nitric oxide synthase (iNOS) expression in the high fat (HF) diet-induced obesity. Also, we aimed to investigate whether activation of the extracellular signal-regulated kinase (ERK1/2), adenosine monophosphate-activated protein kinase (AMPK), Src kinase, and miR-221 is involved in estradiol-mediated regulation of iNOS in the liver of obese male Wistar rats. Male Wistar rats were fed a standard laboratory diet or a HF diet for 10 weeks. Half of HF rats were treated with estradiol intraperitoneally (40 μg/kg), whereas the other half were placebo-treated 24 H before euthanasia. Results show that estradiol treatment of HF rats decreased hepatic iNOS mRNA (P < 0.05) and protein expression (P < 0.01), the protein levels of p65 subunit of nuclear factor κB (P < 0.05) and ERα (P < 0.05), ERK1/2 phosphorylation (P < 0.001), and ERα/Src kinase association (P < 0.05). By contrast, hepatic Src protein level (P < 0.05), AMPKα phosphorylation (P < 0.05), and miR-221 expression (P < 0.05) were increased in HF rats after estradiol treatment. Our results indicate that estradiol in vivo regulates hepatic iNOS expression in obese rats via molecular mechanisms involving ERK1/2, AMPK, Src, and miR-221 signaling.
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Affiliation(s)
- Anastasija Panic
- Laboratory of Radiobiology and Molecular Genetics, Vinca Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
| | - Julijana Stanimirovic
- Laboratory of Radiobiology and Molecular Genetics, Vinca Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
| | - Milan Obradovic
- Laboratory of Radiobiology and Molecular Genetics, Vinca Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
| | - Emina Sudar-Milovanovic
- Laboratory of Radiobiology and Molecular Genetics, Vinca Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
| | - Milan Perovic
- Clinic for Gineacology and Obstetrics "Narodni front,", Belgrade, Serbia
| | - Milena Lackovic
- Clinical Hospital Centre Zemun, Clinic for Internal Medicine, University of Belgrade, Belgrade, Serbia
| | - Nina Petrovic
- Laboratory of Radiobiology and Molecular Genetics, Vinca Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia.,Institute for Oncology and Radiology of Serbia, Belgrade, Serbia
| | - Esma R Isenovic
- Laboratory of Radiobiology and Molecular Genetics, Vinca Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
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29
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Er JL, Goh PN, Lee CY, Tan YJ, Hii LW, Mai CW, Chung FFL, Leong CO. Identification of inhibitors synergizing gemcitabine sensitivity in the squamous subtype of pancreatic ductal adenocarcinoma (PDAC). Apoptosis 2018; 23:343-355. [PMID: 29740790 DOI: 10.1007/s10495-018-1459-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Pancreatic adenocarcinoma (PDAC) is a highly aggressive cancer with a high chance of recurrence, limited treatment options, and poor prognosis. A recent study has classified pancreatic cancers into four molecular subtypes: (1) squamous, (2) immunogenic, (3) pancreatic progenitor and (4) aberrantly differentiated endocrine exocrine. Among all the subtypes, the squamous subtype has the worst prognosis. This study aims to utilize large scale genomic datasets and computational systems biology to identify potential drugs targeting the squamous subtype of PDAC through combination therapy. Using the transcriptomic data available from the International Cancer Genome Consortium, Cancer Cell Line Encyclopedia and Connectivity Map, we identified 26 small molecules that could target the squamous subtype of PDAC. Among them include inhibitors targeting the SRC proto-oncogene (SRC) and the mitogen-activated protein kinase kinase 1/2 (MEK1/2). Further analyses demonstrated that the SRC inhibitors (dasatinib and PP2) and MEK1/2 inhibitor (pimasertib) synergized gemcitabine sensitivity specifically in the squamous subtype of PDAC cells (SW1990 and BxPC3), but not in the PDAC progenitor cells (AsPC1). Further analysis revealed that the synergistic effects are dependent on SRC or MEK1/2 activities, as overexpression of SRC or MEK1/2 completely abrogated the synergistic effects SRC inhibitors (dasatinib and PP2) and MEK1/2 inhibitor (pimasertib). In contrast, no significant toxicity was observed in the MRC5 human lung fibroblast and ARPE-19 human retinal pigment epithelial cells. Together, our findings suggest that combinations of SRC or MEK inhibitors with gemcitabine possess synergistic effects on the squamous subtype of PDAC cells and warrant further investigation.
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Affiliation(s)
- Jia Lin Er
- School of Pharmacy, International Medical University, 126 Jalan 19/155B, 57000, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Pei Ni Goh
- School of Pharmacy, International Medical University, 126 Jalan 19/155B, 57000, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Chen Yuan Lee
- School of Pharmacy, International Medical University, 126 Jalan 19/155B, 57000, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Ying Jie Tan
- School of Pharmacy, International Medical University, 126 Jalan 19/155B, 57000, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Ling-Wei Hii
- School of Pharmacy, International Medical University, 126 Jalan 19/155B, 57000, Bukit Jalil, Kuala Lumpur, Malaysia
- Center for Cancer and Stem Cell Research, Institute for Research, Development and Innovation (IRDI), International Medical University, 57000, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Chun Wai Mai
- School of Pharmacy, International Medical University, 126 Jalan 19/155B, 57000, Bukit Jalil, Kuala Lumpur, Malaysia
- Center for Cancer and Stem Cell Research, Institute for Research, Development and Innovation (IRDI), International Medical University, 57000, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Felicia Fei-Lei Chung
- Center for Cancer and Stem Cell Research, Institute for Research, Development and Innovation (IRDI), International Medical University, 57000, Bukit Jalil, Kuala Lumpur, Malaysia
- Mechanisms of Carcinogenesis Section (MCA), Epigenetics Group (EGE), International Agency for Research on Cancer World Health Organization, 150 Cours Albert Thomas, 69372, Lyon CEDEX 08, France
| | - Chee-Onn Leong
- School of Pharmacy, International Medical University, 126 Jalan 19/155B, 57000, Bukit Jalil, Kuala Lumpur, Malaysia.
- Center for Cancer and Stem Cell Research, Institute for Research, Development and Innovation (IRDI), International Medical University, 57000, Bukit Jalil, Kuala Lumpur, Malaysia.
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30
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Natural compound Oblongifolin C confers gemcitabine resistance in pancreatic cancer by downregulating Src/MAPK/ERK pathways. Cell Death Dis 2018; 9:538. [PMID: 29749405 PMCID: PMC5970202 DOI: 10.1038/s41419-018-0574-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 04/06/2018] [Accepted: 04/06/2018] [Indexed: 12/28/2022]
Abstract
Gemcitabine (GEM)-induced drug resistance is the major reason for the failure of chemotherapy in pancreatic cancer (PC). In this study, we found that Oblongifolin C (OC) efficiently inhibited PC cell proliferation by inducing G0/G1 arrest and apoptosis. Also, our mechanism study demonstrated that OC re-sensitized the GEM-resistant PC cells through the ubiquitin-proteasome-dependent degradation of Src, and then downregulating the MAPK pathway. Knockdown of Src plus OC resulted in a greater inhibitory effect in GEM-resistant PC cells. In contrast, Src overexpression reversed OC-mediated chemosensitization, thereby implicating Src in the action of OC. Moreover, our in vivo study showed that OC suppressed the tumor growth via the downregulation of Src, and enhanced the chemosensitivity of GEM-resistant PC to GEM. Overall, our results have revealed that OC is applicable as a promising agent for overcoming GEM-resistant PC, especially with aberrant Src expression.
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31
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Src drives the Warburg effect and therapy resistance by inactivating pyruvate dehydrogenase through tyrosine-289 phosphorylation. Oncotarget 2018; 7:25113-24. [PMID: 26848621 PMCID: PMC5041892 DOI: 10.18632/oncotarget.7159] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Accepted: 01/23/2016] [Indexed: 01/21/2023] Open
Abstract
The Warburg effect, which reflects cancer cells' preference for aerobic glycolysis over glucose oxidation, contributes to tumor growth, progression and therapy resistance. The restraint on pyruvate flux into mitochondrial oxidative metabolism in cancer cells is in part attributed to the inhibition of pyruvate dehydrogenase (PDH) complex. Src is a prominent oncogenic non-receptor tyrosine kinase that promotes cancer cell proliferation, invasion, metastasis and resistance to conventional and targeted therapies. However, the potential role of Src in tumor metabolism remained unclear. Here we report that activation of Src attenuated PDH activity and generation of reactive oxygen species (ROS). Conversely, Src inhibitors activated PDH and increased cellular ROS levels. Src inactivated PDH through direct phosphorylation of tyrosine-289 of PDH E1α subunit (PDHA1). Indeed, Src was the main kinase responsible for PDHA1 tyrosine phosphorylation in cancer cells. Expression of a tyrosine-289 non-phosphorable PDHA1 mutant in Src-hyperactivated cancer cells restored PDH activity, increased mitochondrial respiration and oxidative stress, decreased experimental metastasis, and sensitized cancer cells to pro-oxidant treatment. The results suggest that Src contributes to the Warburg phenotype by inactivating PDH through tyrosine phosphorylation, and the metabolic effect of Src is essential for Src-driven malignancy and therapy resistance. Combination therapies consisting of both Src inhibitors and pro-oxidants may improve anticancer efficacy.
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32
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Isfort S, Crysandt M, Gezer D, Koschmieder S, Brümmendorf TH, Wolf D. Bosutinib: A Potent Second-Generation Tyrosine Kinase Inhibitor. Recent Results Cancer Res 2018; 212:87-108. [PMID: 30069626 DOI: 10.1007/978-3-319-91439-8_4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Bosutinib is one of the five tyrosine kinase inhibitors which are currently approved for the treatment of chronic myeloid leukemia. By its dual inhibition of Src and ABL kinase and also targeting further kinases, it creates a unique target portfolio which also explains its unique side effect profile. The approval of bosutinib in 2013 made the drug available for patients previously treated with one or more tyrosine kinase inhibitor(s) and for whom imatinib, nilotinib, and dasatinib are not considered appropriate treatment options. As initially the first-line clinical trial comparing bosutinib with imatinib in CML patients in chronic phase did not reach its primary endpoint and therefore the product was not licensed for first-line therapy, a second first-line trial, the so-called BFORE study, was performed and just recently the promising results have been published predicting a quick expansion of the existing label. In comparison with the other approved TKIs, bosutinib harbors a distinct side effect profile with only very few cardiovascular and thromboembolic events and minimal long-term safety issues with most adverse events happening during the first months of treatment. On the other hand, gastrointestinal side effects are very common (e.g., diarrhea rates in more than 80% of the patients) with bosutinib surprising some of the investigators during the early clinical trials evaluating bosutinib. Until then, several approaches have been used to face this problem resulting in extensive supportive efforts (such as early loperamid treatment) as well as new trials testing alternative dosing strategies with early dose adjustment schedules. This article reports preclinical and clinical data available for bosutinib both in hematologic diseases such as CML or ALL and solid tumours as well as other diseases and envisions future perspectives including additional patient groups in which bosutinib might be of clinical benefit.
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Affiliation(s)
- Susanne Isfort
- Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, University Hospital RWTH Aachen, Pauwelsstraße 30, 52074, Aachen, Germany.
| | - Martina Crysandt
- Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, University Hospital RWTH Aachen, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Deniz Gezer
- Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, University Hospital RWTH Aachen, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Steffen Koschmieder
- Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, University Hospital RWTH Aachen, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Tim H Brümmendorf
- Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, University Hospital RWTH Aachen, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Dominik Wolf
- Department of Oncology, Hematology, Immunoncology and Rheumatology, University Hospital Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany
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Abstract
Accumulating epidemiological evidence indicates a strong clinical association between obesity and an increased risk of cancer. The global pandemic of obesity indicates a public health trend towards a substantial increase in cancer incidence and mortality. However, the mechanisms that link obesity to cancer remain incompletely understood. The fruit fly Drosophila melanogaster has been increasingly used to model an expanding spectrum of human diseases. Fly models provide a genetically simpler system that is ideal for use as a first step towards dissecting disease interactions. Recently, the combining of fly models of diet-induced obesity with models of cancer has provided a novel model system in which to study the biological mechanisms that underlie the connections between obesity and cancer. In this Review, I summarize recent advances, made using Drosophila, in our understanding of the interplay between diet, obesity, insulin resistance and cancer. I also discuss how the biological mechanisms and therapeutic targets that have been identified in fly studies could be utilized to develop preventative interventions and treatment strategies for obesity-associated cancers. Summary: This Review highlights a Drosophila model of diet-induced obesity and cancer, and how these two models are combined to study the interplay between obesity and cancer.
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Affiliation(s)
- Susumu Hirabayashi
- Metabolism and Cell Growth Group, MRC Clinical Sciences Centre (CSC), Du Cane Road, London W12 0NN, UK Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, Du Cane Road, London W12 0NN, UK
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Qiao Z, Shiozawa K, Kondo T. Proteomic approach toward determining the molecular background of pazopanib resistance in synovial sarcoma. Oncotarget 2017; 8:109587-109595. [PMID: 29312631 PMCID: PMC5752544 DOI: 10.18632/oncotarget.22730] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 10/28/2017] [Indexed: 12/13/2022] Open
Abstract
Pazopanib, a multitarget tyrosine kinase (TK) inhibitor, has been approved for treatment of soft tissue sarcoma. Elucidation of the molecular background of pazopanib resistance should lead to improved clinical outcomes in sarcomas; accordingly, we investigated this in synovial sarcoma using a proteomic approach. Pazopanib sensitivity was examined in four synovial sarcoma cell lines: SYO-1, HS-SYII, 1273/99, and YaFuSS. The 1273/99 cell line showed significantly higher IC50 values than the others for pazopanib. Expression levels of 90 TKs in the cell lines were examined by western blotting. Among these, the levels of PDGFRB, DDR1, AXL, MET, and PYK2 were higher, and those of FGFR1 and VEGFR3 were lower in the 1273/99 cell line than the other cell lines. Gene silencing analysis of the TKs upregulated in 1273/99 cells showed differing effects on cell growth: PDGFRB, MET, and PYK2 knockdown induced cell growth inhibition, whereas DDR1 and AXL knockdown did not influence cell growth. Using the PamChip peptide microarray, we found that 18 peptide substrates were highly phosphorylated in the 1273/99 cell line compared with other cell lines. Using the PhosphoNet database, we found that kinases FGFR3, RET, VEGFR1, EPHA2, EPHA4, TRKA, and SRC phosphorylated these 18 peptide substrates. Moreover, the results for overexpressed and aberrantly activated TKs in pazopanib-resistant cells showed no overlap. Taken together, our study indicates that identification of comprehensive TK profiles represents an essential approach to determining the molecular background of pazopanib resistance in synovial sarcoma.
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Affiliation(s)
- Zhiwei Qiao
- Division of Rare Cancer Research, National Cancer Center Research Institute, Chuo-ku, Tokyo 104-0045, Japan
| | - Kumiko Shiozawa
- Division of Rare Cancer Research, National Cancer Center Research Institute, Chuo-ku, Tokyo 104-0045, Japan
| | - Tadashi Kondo
- Division of Rare Cancer Research, National Cancer Center Research Institute, Chuo-ku, Tokyo 104-0045, Japan
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Phosphorylation of the C-Raf N Region Promotes Raf Dimerization. Mol Cell Biol 2017; 37:MCB.00132-17. [PMID: 28694330 DOI: 10.1128/mcb.00132-17] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 06/28/2017] [Indexed: 12/11/2022] Open
Abstract
The activation of Raf kinases by the small GTPase Ras requires two major sets of phosphorylations. One set lies within the activation loop, and the other lies within the N-terminal acidic region (N region). In the most abundant isoform of Raf, C-Raf, N-region phosphorylations occur on serine 338 (S338) and tyrosine 341 (Y341) and are thought to provide allosteric activation of the Raf dimer. We show that the phosphorylations of these N-region sites does not require C-Raf dimerization, but rather, they precede dimerization. One of these phosphorylations (phospho-Y341) is required for C-Raf dimerization, and this action can be replicated by phosphomimetic mutants both in vivo and in vitro The role of the phosphorylation of Y341 in promoting Raf dimerization is distinct from its well-known function in facilitating S338 phosphorylation. In Ras mutant pancreatic cancer cell lines, the phosphorylation and dimerization of C-Raf are basally elevated. Dimerization is thought to contribute to their elevated growth rate through their activation of the mitogen-activated protein (MAP) kinase (extracellular signal-regulated kinase [ERK]) signaling cascade. Blocking the tyrosine phosphorylation of C-Raf with Src family inhibitors blocks growth, basal dimerization, and ERK activation in these cells. We suggest that the kinases mediating C-Raf Y341 phosphorylation are potential candidate drug targets in selected Ras-dependent cancers.
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36
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EGFR-mediated apoptosis via STAT3. Exp Cell Res 2017; 356:93-103. [PMID: 28433699 DOI: 10.1016/j.yexcr.2017.04.016] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Revised: 04/06/2017] [Accepted: 04/08/2017] [Indexed: 11/20/2022]
Abstract
The Epidermal Growth Factor Receptor (EGFR) is a cell surface receptor with primary implications in cell growth in both normal and malignant tissue. Paradoxically, cell lines that hyperexpress the EGFR have been documented to undergo receptor-mediated apoptosis. The underlying mechanism by which EGF-induced apoptosis occurs however remains inexplicit. In an attempt to identify this mechanism, we assessed downstream effectors of EGFR in MDA-MB-468 cells during conditions of EGF-induced apoptosis. The effector assessment revealed STAT3 as a potential mediator of EGF-induced apoptosis. Alternative strategies for activating STAT3, independent of EGFR stimulation, resulted in the induction of the apoptotic pathways. A reduction in STAT3 expression via RNAi resulted in a significant attenuation of EGF-induced PARP cleavage. Our findings support STAT3 as a positive mediator of EGF-induced apoptosis in MDA-MB-468 cells.
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37
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Gao J, Long B, Wang Z. Role of Notch signaling pathway in pancreatic cancer. Am J Cancer Res 2017; 7:173-186. [PMID: 28337369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 10/12/2016] [Indexed: 09/28/2022] Open
Abstract
Pancreatic cancer (PC) is one of the highly aggressive malignancies in the United States. It has been shown that multiple signaling pathways are involved in the pathogenesis of PC, such as JNK, PI3K/AKT, Rho GTPase, Hedgehog (Hh) and Skp2. In recent years, accumulated evidence has demonstrated that Notch signaling pathway plays critical roles in the development and progression of PC. Therefore, in this review we discuss the recent literature regarding the function and regulation of Notch in the pathogenesis of PC. Moreover, we describe that Notch signaling pathway could be down-regulated by its inhibitors or natural compounds, which could be a novel approach for the treatment of PC patients.
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Affiliation(s)
- Jiankun Gao
- Sichuan College of Tranditional Chinese Medicine Mianyang, Sichuan, China
| | - Bo Long
- Department of Infectious Diseases, Mianyang 404 Hospital Mianyang, Sichuan, China
| | - Zhiwei Wang
- The Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, The First Affiliated Hospital, Soochow UniversitySuzhou 215123, China; Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical SchoolMA 02215, USA
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Walter D, Döring C, Feldhahn M, Battke F, Hartmann S, Winkelmann R, Schneider M, Bankov K, Schnitzbauer A, Zeuzem S, Hansmann ML, Peveling-Oberhag J. Intratumoral heterogeneity of intrahepatic cholangiocarcinoma. Oncotarget 2017; 8:14957-14968. [PMID: 28146430 PMCID: PMC5362457 DOI: 10.18632/oncotarget.14844] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 01/16/2017] [Indexed: 02/06/2023] Open
Abstract
No personalized therapy regimens could demonstrate a benefit in survival of intrahepatic cholangiocarcinoma (iCCA). Since genetic heterogeneity might influence single biopsy based targeted therapy or the outcome of clinical trials, aim of the present study was to investigate intratumoral heterogeneity of iCCA by whole exome sequencing. Therefore, samples from tumor center and tumor periphery of large iCCA lesions as well as a control from healthy liver tissue were obtained from four patients and whole exome sequencing was performed. Mutations that occurred only in the tumor center or periphery were defined as private, whereas mutations present in both samples were regarded as common. A mean of 3 non-synonymous private mutations (range 0-14) per sample compared to 33,3 common mutations per sample (range 24-41) was identified. Mean percentage of non-synonymous private mutations per sample was 12% (range 0-58). In all samples of patient 1-3 as well as the central sample of patient 4 ≤ 10% private mutations were found, whereas 58% of private mutations were identified in the peripheral sample of patient 4. In this sample a private mutation in the DNA mismatch repair protein MSH6 could be identified most likely causing the high amount of private mutations. No substantial intratumoral heterogeneity was found in copy number variation analysis. In conclusion, iCCA show a small but distinct intratumoral heterogeneity. Somatic mutations in mismatch repair proteins might contribute significantly to increased spatial tumor burden and thereby may influence clinical management.
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Affiliation(s)
- Dirk Walter
- Department of Internal Medicine I, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
- Dr. Senckenberg Institute of Pathology, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
| | - Claudia Döring
- Dr. Senckenberg Institute of Pathology, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
| | | | | | - Sylvia Hartmann
- Dr. Senckenberg Institute of Pathology, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
| | - Ria Winkelmann
- Dr. Senckenberg Institute of Pathology, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
| | - Markus Schneider
- Dr. Senckenberg Institute of Pathology, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
| | - Katrin Bankov
- Department of Internal Medicine I, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
| | - Andreas Schnitzbauer
- Department of General and Visceral Surgery, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
| | - Stefan Zeuzem
- Department of Internal Medicine I, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
| | - Martin Leo Hansmann
- Dr. Senckenberg Institute of Pathology, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
| | - Jan Peveling-Oberhag
- Department of Internal Medicine I, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
- Dr. Senckenberg Institute of Pathology, Johann Wolfgang Goethe-University Hospital, 60590 Frankfurt, Germany
- Department for Gastroenterology, Hepatology and Endocrinology, Robert-Bosch Hospital, 70376 Stuttgart, Germany
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Evans TRJ, Van Cutsem E, Moore MJ, Bazin IS, Rosemurgy A, Bodoky G, Deplanque G, Harrison M, Melichar B, Pezet D, Elekes A, Rock E, Lin C, Strauss L, O'Dwyer PJ. Phase 2 placebo-controlled, double-blind trial of dasatinib added to gemcitabine for patients with locally-advanced pancreatic cancer. Ann Oncol 2017; 28:354-361. [PMID: 27998964 DOI: 10.1093/annonc/mdw607] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Background Pancreatic ductal adenocarcinoma (PDAC) has a high mortality rate with limited treatment options. Gemcitabine provides a marginal survival benefit for patients with advanced PDAC. Dasatinib is a competitive inhibitor of Src kinase, which is overexpressed in PDAC tumors. Dasatinib and gemcitabine were combined in a phase 1 clinical trial where stable disease was achieved in two of eight patients with gemcitabine-refractory PDAC. Patients and methods This placebo-controlled, randomized, double-blind, phase II study compared the combination of gemcitabine plus dasatinib to gemcitabine plus placebo in patients with locally advanced, non-metastatic PDAC. Patients received gemcitabine 1000 mg/m2 (30-min IV infusion) on days 1, 8, 15 of a 28-day cycle combined with either 100 mg oral dasatinib or placebo tablets daily. The primary objective was overall survival (OS), with safety and progression-free survival (PFS) as secondary objectives. Exploratory endpoints included overall response rate, freedom from distant metastasis, pain and fatigue progression and response rate, and CA19-9 response rate. Results There was no statistically significant difference in OS between the two treatment groups (HR = 1.16; 95% confidence interval [CI]: 0.81-1.65; P = 0.5656). Secondary and exploratory endpoint analyses also showed no statistically significant differences. The burden of toxicity was higher in the dasatinib arm. Conclusions Dasatinib failed to show increased OS or PFS in patients with locally advanced PDAC. Alternative combinations or trial designs may show a role for src inhibition in PDAC treatment.
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Affiliation(s)
- T R J Evans
- Beatson West of Scotland Cancer Centre, University of Glasgow, Glasgow, UK
| | - E Van Cutsem
- Department of Oncology, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - M J Moore
- Princess Margaret Cancer, Toronto, Canada
| | - I S Bazin
- Federal State Budgetary Institution, Dubna, Russia
| | - A Rosemurgy
- Surgery, Florida Hospital, Tampa, Tampa, USA
| | - G Bodoky
- Oncology, St.László Teaching Hospital, Budapest, Hungary
| | - G Deplanque
- Medicine, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - M Harrison
- East and North Hertfordshire NHS Trust, Northwood, Middlesex, UK
| | - B Melichar
- Department of Oncology, Lekarska Fakulta Univerzity Palackeho a Fakultni Nemocnice, Olomouc, Czech Republic
| | - D Pezet
- CHU Estaing, Clermont-Ferrand, France
| | - A Elekes
- Otsuka Pharmaceutical Development and Commercialization, Princeton
| | - E Rock
- Otsuka Pharmaceutical Development and Commercialization, Princeton
| | - C Lin
- Otsuka Pharmaceutical Development and Commercialization, Princeton
| | - L Strauss
- Bristol-Myers Squibb Company, Princeton
| | - P J O'Dwyer
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, USA
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40
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Choi CW, Kim YH, Sohn JH, Lee H, Kim WS. Focal adhesion kinase and Src expression in premalignant and malignant skin lesions. Exp Dermatol 2016; 24:361-4. [PMID: 25711159 DOI: 10.1111/exd.12676] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/17/2015] [Indexed: 01/09/2023]
Abstract
Focal adhesion kinase (FAK) and Src are non-receptor tyrosine kinases. FAK and Src play a critical role in inducing malignant transformation in tumor cells. We performed immunohistochemical staining for total and phosphorylated forms of FAK and Src, to evaluate the role of FAK and Src in the development of premalignant and malignant skin lesions. A total of 59 facial skin samples (30 actinic keratoses, 10 Bowen's diseases, 13 squamous cell carcinomas and six perilesional skins) were immunohistochemically stained for Ki-67, total (t) and phosphorylated (p) form of FAK and Src. Cells positive for t-Src, p-Src-y530, t-FAK and pFAK-s722 were detected in premalignant intra-epithelial lesions (PELs) and squamous cell carcinomas (SCCs), but not in the perilesional skin. There was a tendency towards high correlation between Ki-67 and t-FAK or pFAK-s722, suggestive of the active role of FAK in cell proliferation. However, our findings of higher t-Src and p-Src-y530 positive cells in PELs, as compared to SCCs (with higher Ki-67 level), are suggestive of the other role of Src in tumor formation and progression, which requires further investigation.
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Affiliation(s)
- Chong Won Choi
- Department of Dermatology, Kangbuk Samsung Hospital, Seoul, Korea
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41
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Gharibi A, Adamian Y, Kelber JA. Cellular and molecular aspects of pancreatic cancer. Acta Histochem 2016; 118:305-16. [PMID: 26868366 PMCID: PMC5654315 DOI: 10.1016/j.acthis.2016.01.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/28/2016] [Accepted: 01/28/2016] [Indexed: 02/07/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a deadly malignancy that affects nearly 50,000 patients each year. The overall 5-year survival rate for this malignancy remains the lowest of any cancer at around 7% due to limited diagnostic methods, disease aggressiveness and a lack of targeted therapeutic interventions. This review highlights the successes achieved over the past several decades as well as the significant cellular and molecular hurdles that remain in combatting this deadly disease at a translational level.
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Affiliation(s)
- A Gharibi
- Developmental Oncogene Laboratory, Department of Biology, California State University Northridge, Northridge, CA 91330, USA
| | - Y Adamian
- Developmental Oncogene Laboratory, Department of Biology, California State University Northridge, Northridge, CA 91330, USA
| | - J A Kelber
- Developmental Oncogene Laboratory, Department of Biology, California State University Northridge, Northridge, CA 91330, USA.
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Zhang H, Forman HJ. 4-Hydroxynonenal activates Src through a non-canonical pathway that involves EGFR/PTP1B. Free Radic Biol Med 2015; 89:701-7. [PMID: 26453921 PMCID: PMC4684732 DOI: 10.1016/j.freeradbiomed.2015.08.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Revised: 08/20/2015] [Accepted: 08/26/2015] [Indexed: 12/30/2022]
Abstract
Src, a non-receptor protein tyrosine kinase involved in many biological processes, can be activated through both redox-dependent and independent mechanisms. 4-Hydroxy-2-nonenal (HNE) is a lipid peroxidation product that is increased in pathophysiological conditions associated with Src activation. This study examined how HNE activates human c-Src. In the canonical pathway Src activation is initiated by dephosphorylation of pTyr530 followed by conformational change that causes Src auto-phosphorylation at Tyr419 and its activation. HNE increased Src activation in both dose- and time-dependent manner, while it also increased Src phosphorylation at Tyr530 (pTyr530 Src), suggesting that HNE activated Src via a non-canonical mechanism. Protein tyrosine phosphatase 1B inhibitor (539741), at concentrations that increased basal pTyr530 Src, also increased basal Src activity and significantly reduced HNE-mediated Src activation. The EGFR inhibitor, AG1478, and EGFR silencing, abrogated HNE-mediated EGFR activation and inhibited basal and HNE-induced Src activity. In addition, AG1478 also eliminated the increase of basal Src activation by a PTP1B inhibitor. Taken together these data suggest that HNE can activate Src partly through a non-canonical pathway involving activation of EGFR and inhibition of PTP1B.
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Affiliation(s)
- Hongqiao Zhang
- Andrus Gerontology Center, Davis School of Gerontology, University of Southern, California
| | - Henry Jay Forman
- Andrus Gerontology Center, Davis School of Gerontology, University of Southern, California.
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43
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de la Puente P, Azab F, Muz B, Luderer M, Arbiser J, Azab AK. Tris DBA palladium overcomes hypoxia-mediated drug resistance in multiple myeloma. Leuk Lymphoma 2015; 57:1677-86. [PMID: 26421357 DOI: 10.3109/10428194.2015.1099645] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Despite recent progress in novel and targeted therapies, multiple myeloma (MM) remains a therapeutically challenging incurable disease. The regulation of important cellular processes and its link to cancer presented Src as an attractive target for MM. We suggest a novel strategy to improve the treatment of MM and overcome the drug resistance for the current therapeutic agents by specific inhibition of Src in MM cells by Tris (Dibenzylideneacetone) dipalladium (Tris DBA). Tris DBA reduces proliferation, induces G1 arrest and apoptosis in MM cells. Tris DBA showed additive effect with proteasome inhibitors reducing proliferation, cell cycle signaling, and increasing apoptosis more than each drug alone. Tris DBA overcame hypoxia-induced effects such as enhanced chemotaxis or drug resistance to proteasome inhibitors by inhibition of HIF1α expression. Moreover, we found that Tris DBA is an effective anti-myeloma agent alone or in combination with other targeted drugs and that it reverses hypoxia-induced drug resistance in myeloma.
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Affiliation(s)
- Pilar de la Puente
- a Department of Radiation Oncology , Cancer Biology Division, Washington University in Saint Louis School of Medicine , St. Louis , MO , USA
| | - Feda Azab
- a Department of Radiation Oncology , Cancer Biology Division, Washington University in Saint Louis School of Medicine , St. Louis , MO , USA
| | - Barbara Muz
- a Department of Radiation Oncology , Cancer Biology Division, Washington University in Saint Louis School of Medicine , St. Louis , MO , USA
| | - Micah Luderer
- a Department of Radiation Oncology , Cancer Biology Division, Washington University in Saint Louis School of Medicine , St. Louis , MO , USA
| | - Jack Arbiser
- b Department of Dermatology , Emory University School of Medicine , Atlanta , GA , USA.,c Atlanta Veterans Administration Health Center , Atlanta , GA , USA
| | - Abdel Kareem Azab
- a Department of Radiation Oncology , Cancer Biology Division, Washington University in Saint Louis School of Medicine , St. Louis , MO , USA
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Saeed M, Jacob S, Sandjo LP, Sugimoto Y, Khalid HE, Opatz T, Thines E, Efferth T. Cytotoxicity of the Sesquiterpene Lactones Neoambrosin and Damsin from Ambrosia maritima Against Multidrug-Resistant Cancer Cells. Front Pharmacol 2015; 6:267. [PMID: 26617519 PMCID: PMC4637410 DOI: 10.3389/fphar.2015.00267] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Accepted: 10/26/2015] [Indexed: 12/26/2022] Open
Abstract
Multidrug resistance is a prevailing phenomenon leading to chemotherapy treatment failure in cancer patients. In the current study two known cytotoxic pseudoguaianolide sesquiterpene lactones; neoambrosin (1) and damsin (2) that circumvent MDR were identified. The two cytotoxic compounds were isolated using column chromatography, characterized using 1D and 2D NMR, MS, and compared with literature values. The isolated compounds were investigated for their cytotoxic potential using resazurin assays and thereafter confirmed with immunoblotting and in silico studies. MDR cells overexpressing ABC transporters (P-glycoprotein, BCRP, ABCB5) did not confer cross-resistance toward (1) and (2), indicating that these compounds are not appropriate substrates for any of the three ABC transporters analyzed. Resistance mechanisms investigated also included; the loss of the functions of the TP53 and the mutated EGFR. The HCT116 p53-/- cells were sensitive to 1 but resistant to 2. It was interesting to note that resistant cells transfected with oncogenic ΔEGFR exhibited hypersensitivity CS toward (1) and (2) (degrees of resistances were 0.18 and 0.15 for (1) and (2), respectively). Immunoblotting and in silico analyses revealed that 1 and 2 silenced c-Src kinase activity. It was hypothesized that inhibition of c-Src kinase activity may explain CS in EGFR-transfected cells. In conclusion, the significant cytotoxicity of 1 and 2 against different drug-resistant tumor cell lines indicate that they may be promising candidates to treat refractory tumors.
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Affiliation(s)
- Mohamed Saeed
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University of Mainz Mainz, Germany
| | - Stefan Jacob
- Institut für Biotechnologie und Wirkstoff-Forschung Kaiserslautern, Germany
| | - Louis P Sandjo
- Department of Pharmaceutical Sciences, Centro de Ciências da Saúde, Universidade Federal de Santa Catarina Florianópolis, Brazil ; Institute of Organic Chemistry, Johannes Gutenberg University of Mainz Mainz, Germany
| | - Yoshikazu Sugimoto
- Division of Chemotherapy, Faculty of Pharmacy, Keio University Tokyo, Japan
| | - Hassan E Khalid
- Department of Pharmacognosy, University of Khartoum Khartoum, Sudan
| | - Till Opatz
- Institute of Organic Chemistry, Johannes Gutenberg University of Mainz Mainz, Germany
| | - Eckhard Thines
- Institut für Biotechnologie und Wirkstoff-Forschung Kaiserslautern, Germany ; Institute of Biotechnology and Drug Research, Johannes Gutenberg University of Mainz Mainz, Germany
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University of Mainz Mainz, Germany
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Pilati C, Zucman-Rossi J. Mutations leading to constitutive active gp130/JAK1/STAT3 pathway. Cytokine Growth Factor Rev 2015; 26:499-506. [DOI: 10.1016/j.cytogfr.2015.07.010] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 07/01/2015] [Indexed: 12/21/2022]
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46
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Machiyama H, Yamaguchi T, Sawada Y, Watanabe TM, Fujita H. SH3 domain of c-Src governs its dynamics at focal adhesions and the cell membrane. FEBS J 2015; 282:4034-55. [DOI: 10.1111/febs.13404] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 08/04/2015] [Accepted: 08/05/2015] [Indexed: 11/26/2022]
Affiliation(s)
| | | | - Yasuhiro Sawada
- Research Institute; National Rehabilitation Center for Persons with Disabilities; Saitama Japan
| | - Tomonobu M. Watanabe
- Immunology Frontier Research Center; Osaka University; Suita Japan
- Quantitative Biology Center; Riken; Suita Osaka Japan
| | - Hideaki Fujita
- Immunology Frontier Research Center; Osaka University; Suita Japan
- Quantitative Biology Center; Riken; Suita Osaka Japan
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47
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Pathania D, Kuang Y, Sechi M, Neamati N. Mechanisms underlying the cytotoxicity of a novel quinazolinedione-based redox modulator, QD232, in pancreatic cancer cells. Br J Pharmacol 2015; 172:50-63. [PMID: 25047070 DOI: 10.1111/bph.12855] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 06/19/2014] [Accepted: 07/10/2014] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND AND PURPOSE Pancreatic cancer is characterized by alterations in several key signalling proteins, including increased expression and activity of the Src tyrosine kinase and focal adhesion kinase (FAK), which have been linked to its chemoresistance. Sustained Src inhibition reactivates survival pathways regulated by the transcription factor STAT3, also leading to resistance. Therefore, simultaneously targeting Src/FAK and STAT3 signalling could provide an important strategy for treating pancreatic cancer. Recently, we described novel quinazolinediones that increased generation of reactive oxygen species (ROS) and were cytotoxic in pancreatic cancer cells. Here, we have investigated effects of our lead compound, QD232, on Src/FAK and STAT3 signalling. EXPERIMENTAL APPROACH The major signalling pathways affected by QD232 in pancreatic cancer cell lines were identified by Kinexus proteomic analysis. Changes in key signalling proteins were confirmed by Western blotting. Cell migration was assessed by Boyden chamber and wound healing assays. Direct inhibition of kinase activity in vitro was assayed with a panel of 92 oncogenic kinases. Safety and efficacy of QD232 were determined in a xenograft mouse model of pancreatic cancer. KEY RESULTS QD232 potently inhibited Src/FAK and STAT3 phosphorylation, decreasing pancreatic cancer cell viability and migration. Furthermore, QD232 arrested cell cycle progression and induced apoptosis in these cells at low micromolar concentrations. Effects of QD232 on Src/FAK and STAT3 phosphorylation were blocked by N-acetylcysteine or glutathione. CONCLUSIONS AND IMPLICATIONS QD232 is a novel compound with a unique, ROS-dependent mechanism, effective in drug-resistant cancer cell lines. This compound shows potential as therapy for pancreatic cancer.
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Affiliation(s)
- Divya Pathania
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, USA
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Kilic-Kurt Z, Bakar F, Ölgen S. Synthesis, Biological, and Computational Evaluation of Novel 1,3,5-Substituted Indolin-2-one Derivatives as Inhibitors of Src Tyrosine Kinase. Arch Pharm (Weinheim) 2015; 348:715-29. [PMID: 26260414 DOI: 10.1002/ardp.201500109] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 07/19/2015] [Accepted: 07/21/2015] [Indexed: 11/08/2022]
Abstract
Several substituted indolin-2-one derivatives were synthesized and evaluated for their activities against Src kinase. Several compounds showed activity against Src, with IC50 values in the low micromolar range. Among them, compound 2f showed the most significant activity with an IC50 value of 1.02 μM. Molecular docking studies have been performed for evaluation of the binding modes of compound 2f into the Src active site. The docking structure of compound 2f disclosed that the indole NH forms a hydrogen bond with the carbonyl of Met341. These results suggest that our novel compound 2f is a promising compound for the further development of indole-based drugs targeting Src kinase.
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Affiliation(s)
- Zühal Kilic-Kurt
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ankara University, Tandogan, Ankara, Turkey
| | - Filiz Bakar
- Department of Biochemistry, Faculty of Pharmacy, Ankara University, Tandogan, Ankara, Turkey
| | - Süreyya Ölgen
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ankara University, Tandogan, Ankara, Turkey.,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Istanbul Kemerburgaz University, Bagcılar, Istanbul, Turkey
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Process of hepatic metastasis from pancreatic cancer: biology with clinical significance. J Cancer Res Clin Oncol 2015; 142:1137-61. [PMID: 26250876 DOI: 10.1007/s00432-015-2024-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 07/23/2015] [Indexed: 12/14/2022]
Abstract
PURPOSE Pancreatic cancer shows a remarkable preference for the liver to establish secondary tumors. Selective metastasis to the liver is attributed to the development of potential microenvironment for the survival of pancreatic cancer cells. This review aims to provide a full understanding of the hepatic metastatic process from circulating pancreatic cancer cells to their settlement in the liver, serving as a basic theory for efficient prediction and treatment of metastatic diseases. METHODS A systematic search of relevant original articles and reviews was performed on PubMed, EMBASE and Cochrane Library for the purpose of this review. RESULTS Three interrelated phases are delineated as the contributions of the interaction between pancreatic cancer cells and the liver to hepatic metastasis process. Chemotaxis of disseminated pancreatic cancer cells and simultaneous defensive formation of platelets or neutrophils facilitate specific metastasis toward the liver. Remodeling of extracellular matrix and stromal cells in hepatic lobules and angiogenesis induced by proangiogenic factors support the survival and growth of clinical micrometastasis colonizing the liver. The bimodal role of the immune system or prevalence of cancer cells over the immune system makes metastatic progression successfully proceed from micrometastasis to macrometastasis. CONCLUSIONS Pancreatic cancer is an appropriate research object of cancer metastasis representing more than a straight cascade. If any of the successive or simultaneous phases, especially tumor-induced immunosuppression, is totally disrupted, hepatic metastasis will be temporarily under control or even cancelled forever. To shrink cancers on multiple fronts and prolong survival for patients, novel oral or intravenous anti-cancer agents covering one or different phases of metastatic pancreatic cancer are expected to be integrated into innovative strategies on the premise of safety and efficacious biostability.
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Xiao J, Xu M, Hou T, Huang Y, Yang C, Li J. Dasatinib enhances antitumor activity of paclitaxel in ovarian cancer through Src signaling. Mol Med Rep 2015; 12:3249-3256. [PMID: 25975261 PMCID: PMC4526065 DOI: 10.3892/mmr.2015.3784] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Accepted: 02/17/2015] [Indexed: 12/31/2022] Open
Abstract
Src family tyrosine kinase (SFK) activation is associated with ovarian cancer progression. Therefore, SFKs are targets for the development of potential treatments of ovarian cancer. Dasatinib is a tyrosine kinase inhibitor that targets SFK activity, and is used for the treatment of B cell and Abelson lymphomas. At the present time, the potential effect of dasatinib on ovarian cancer is not clear. The aim of the present study was to investigate the antitumor activity of dasatinib, alone and in combination with paclitaxel, in ovarian cancer in vitro and in vivo. In the present study, the expression of Src and phospho‑Src-Y416 (p‑Src) was measured in six ovarian cancer cell lines using western blotting and immunohistochemistry. In addition, cell viability and apoptosis were measured using an MTT assay and annexin V‑fluorescein isothiocyanate staining. An ovarian cancer murine xenograft model was established, in order to evaluate the antitumor effect of dasatinib alone and in combination with paclitaxel in ovarian cancer. High levels of p‑Src protein expression were observed in all cell lines, as compared with healthy cells, which indicated activation of the Src signaling pathway. p‑Src expression increased in ovarian cancer cells following paclitaxel treatment. Dasatinib treatment demonstrated anti‑ovarian cancer properties, by downregulating p‑Src expression and by inducing cancer cell apoptosis. Combined treatment with dasatinib and paclitaxel markedly inhibited proliferation and promoted apoptosis of ovarian cancer cells, compared with control cells. Combined dasatinib and paclitaxel treatment exhibited antitumor activities in vivo and in vitro (combination indices, 0.25‑0.93 and 0.31‑0.75; and tumor growth inhibitory rates, 76.7% and 58.5%, in A2780 and HO8910 cell lines, respectively), compared with paclitaxel treatment alone. Dasatinib monotherapy demonstrated anti‑ovarian cancer activities. The effects of dasatinib and paclitaxel treatments on ovarian cancer cells appeared to be mediated by the Src pathway.
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Affiliation(s)
- Juan Xiao
- Department of Gynecology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong 510060, P.R. China
| | - Manman Xu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Teng Hou
- Department of Gynecology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong 510060, P.R. China
| | - Yongwen Huang
- Department of Gynecology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong 510060, P.R. China
| | - Chenlu Yang
- Department of Gynecology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong 510060, P.R. China
| | - Jundong Li
- Department of Gynecology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong 510060, P.R. China
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