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Gu X, Qiu Y, Lin M, Cui K, Chen G, Chen Y, Fan C, Zhang Y, Xu L, Chen H, Wan JB, Lu W, Xiao Z. CuS Nanoparticles as a Photodynamic Nanoswitch for Abrogating Bypass Signaling To Overcome Gefitinib Resistance. NANO LETTERS 2019; 19:3344-3352. [PMID: 30974946 DOI: 10.1021/acs.nanolett.9b01065] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Bypass signaling activation plays a crucial role in the acquired resistance of gefitinib, the first targeted drug in the clinic to treat advanced non-small cell lung cancer. Although the inactivation of bypass signaling by small-molecule inhibitors or monoclonal antibodies may overcome gefitinib resistance, their clinical use has been limited by the complex production process and off-target toxicity. Here we show CuS nanoparticles (NPs) behaved as a photodynamic nanoswitch to specifically abrogate overactive bypass signaling in resistant tumor cells without interfering with the same signal pathways in normal cells. In representative insulin growth factor-1 receptor (IGF1R) bypass activation-induced gefitinib resistant tumors, CuS NPs upon near-infrared laser irradiation locally elevated reactive oxygen species (ROS) level in tumor cells, leading to the blockage of bypass IGF1R and its downstream AKT/ERK/NF-κB signaling cascades. Consequently, laser-irradiated CuS NPs sensitized tumors to gefitinib treatment and prolonged the survival of mice with no obvious toxicity. Laser-irradiated CuS NPs may serve as a simple and safe nanomedicine strategy to overcome bypass activation-induced gefitinib resistance in a specific and controllable manner and provide insights into the treatment of a myriad of other resistant tumors in the field of cancer therapy.
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Affiliation(s)
- Xiajing Gu
- Department of Nuclear Medicine, Clinical and Fundamental Research Center, Institute of Molecular Medicine, Ren Ji Hospital, and Department of Pharmacology and Chemical Biology, Translational Medicine Collaborative Innovation Center , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , China
| | - Yuanyuan Qiu
- Department of Nuclear Medicine, Clinical and Fundamental Research Center, Institute of Molecular Medicine, Ren Ji Hospital, and Department of Pharmacology and Chemical Biology, Translational Medicine Collaborative Innovation Center , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , China
| | - Miao Lin
- Department of Nuclear Medicine, Clinical and Fundamental Research Center, Institute of Molecular Medicine, Ren Ji Hospital, and Department of Pharmacology and Chemical Biology, Translational Medicine Collaborative Innovation Center , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , China
| | - Kai Cui
- Department of Nuclear Medicine, Clinical and Fundamental Research Center, Institute of Molecular Medicine, Ren Ji Hospital, and Department of Pharmacology and Chemical Biology, Translational Medicine Collaborative Innovation Center , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , China
| | - Gaoxian Chen
- Department of Nuclear Medicine, Clinical and Fundamental Research Center, Institute of Molecular Medicine, Ren Ji Hospital, and Department of Pharmacology and Chemical Biology, Translational Medicine Collaborative Innovation Center , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , China
| | - Yingzhi Chen
- Department of Nuclear Medicine, Clinical and Fundamental Research Center, Institute of Molecular Medicine, Ren Ji Hospital, and Department of Pharmacology and Chemical Biology, Translational Medicine Collaborative Innovation Center , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , China
| | - Chenchen Fan
- Department of Nuclear Medicine, Clinical and Fundamental Research Center, Institute of Molecular Medicine, Ren Ji Hospital, and Department of Pharmacology and Chemical Biology, Translational Medicine Collaborative Innovation Center , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , China
| | - Yongming Zhang
- Department of Nuclear Medicine, Clinical and Fundamental Research Center, Institute of Molecular Medicine, Ren Ji Hospital, and Department of Pharmacology and Chemical Biology, Translational Medicine Collaborative Innovation Center , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , China
| | - Lu Xu
- Department of Nuclear Medicine, Clinical and Fundamental Research Center, Institute of Molecular Medicine, Ren Ji Hospital, and Department of Pharmacology and Chemical Biology, Translational Medicine Collaborative Innovation Center , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , China
| | - Hongzhuan Chen
- Institute of Interdisciplinary Integrative Biomedical Research , Shanghai University of Traditional Chinese Medicine , Shanghai 201210 , China
| | - Jian-Bo Wan
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences , University of Macau , Taipa, Macao 999078 , China
| | - Wei Lu
- Key Laboratory of Smart Drug Delivery, Ministry of Education, and State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy , Fudan University , Shanghai 201203 , China
| | - Zeyu Xiao
- Department of Nuclear Medicine, Clinical and Fundamental Research Center, Institute of Molecular Medicine, Ren Ji Hospital, and Department of Pharmacology and Chemical Biology, Translational Medicine Collaborative Innovation Center , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , China
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Kochanek SJ, Close DA, Wang AX, Shun T, Empey PE, Eiseman JL, Johnston PA. Confirmation of Selected Synergistic Cancer Drug Combinations Identified in an HTS Campaign and Exploration of Drug Efflux Transporter Contributions to the Mode of Synergy. SLAS DISCOVERY 2019; 24:653-668. [PMID: 31039321 DOI: 10.1177/2472555219844566] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Systematic unbiased high-throughput screening (HTS) of drug combinations (DCs) in well-characterized tumor cell lines is a data-driven strategy to identify novel DCs with potential to be developed into effective therapies. Four DCs from a DC HTS campaign were selected for confirmation; only one appears in clinicaltrials.gov and limited preclinical in vitro data indicates that the drug pairs interact synergistically. Nineteen DC-tumor cell line sets were confirmed to interact synergistically in three pharmacological interaction models. We developed an imaging assay to quantify accumulation of the ABCG2 efflux transporter substrate Hoechst. Gefitinib and raloxifene enhanced Hoechst accumulation in ABCG2 (BCRP)-expressing cells, consistent with inhibition of ABCG2 efflux. Both drugs also inhibit ABCB1 efflux. Mitoxantrone, daunorubicin, and vinorelbine are substrates of one or more of the ABCG2, ABCB1, or ABCC1 efflux transporters expressed to varying extents in the selected cell lines. Interactions between ABC drug efflux transporter inhibitors and substrates may have contributed to the observed synergy; however, other mechanisms may be involved. Novel synergistic DCs identified by HTS were confirmed in vitro, and plausible mechanisms of action studied. Similar approaches may justify the testing of novel HTS-derived DCs in mouse xenograft human cancer models and support the clinical evaluation of effective in vivo DCs in patients.
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Affiliation(s)
- Stanton J Kochanek
- 1 Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA
| | - David A Close
- 1 Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Allen Xinwei Wang
- 1 Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Tongying Shun
- 2 University of Pittsburgh Drug Discovery Institute, Pittsburgh, PA, USA
| | - Philip E Empey
- 3 Department of Pharmacy and Therapeutics, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA
| | - Julie L Eiseman
- 4 University of Pittsburgh Hillman Cancer Center, Pittsburgh, PA, USA.,5 Cancer Therapeutics Program, The University of Pittsburgh Cancer Institute, Hillman Cancer Center, Pittsburgh, PA, USA.,6 Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Paul A Johnston
- 1 Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA.,4 University of Pittsburgh Hillman Cancer Center, Pittsburgh, PA, USA
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Guo Y, Bao C, Ma D, Cao Y, Li Y, Xie Z, Li S. Network-Based Combinatorial CRISPR-Cas9 Screens Identify Synergistic Modules in Human Cells. ACS Synth Biol 2019; 8:482-490. [PMID: 30762338 DOI: 10.1021/acssynbio.8b00237] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Tumorigenesis is a complex process that is driven by a combination of networks of genes and environmental factors; however, efficient approaches to identifying functional networks that are perturbed by the process of tumorigenesis are lacking. In this study, we provide a comprehensive network-based strategy for the systematic discovery of functional synergistic modules that are causal determinants of inflammation-induced tumorigenesis. Our approach prioritizes candidate genes selected by integrating clinical-based and network-based genome-wide gene prediction methods and identifies functional synergistic modules based on combinatorial CRISPR-Cas9 screening. On the basis of candidate genes inferred de novo from experimental and computational methods to be involved in inflammation and cancer, we used an existing TGFβ1-induced cellular transformation model in colonic epithelial cells and a new combinatorial CRISPR-Cas9 screening strategy to construct an inflammation-induced differential genetic interaction network. The inflammation-induced differential genetic interaction network that we generated yielded functional insights into the genes and functional module combinations, and showed varied responses to the inflammation agents as well as active traditional Chinese medicine compounds. We identified opposing differential genetic interactions of inflammation-induced tumorigenesis: synergistic promotion and suppression. The synergistic promotion state was primarily caused by deletions in the immune and metabolism modules; the synergistic suppression state was primarily induced by deletions in the proliferation and immune modules or in the proliferation and metabolism modules. These results provide insight into possible early combinational targets and biomarkers for inflammation-induced tumorigenesis and highlight the synergistic effects that occur among immune, proliferation, and metabolism modules. In conclusion, this approach deepens the understanding of the underlying mechanisms that cause inflammation to potentially increase the cancer risk of colonic epithelial cells and accelerate the translation into novel functional modules or synergistic module combinations that modulate complex disease phenotypes.
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Affiliation(s)
- Yucheng Guo
- MOE Key Laboratory of Bioinformatics and TCM-X Center/Bioinformatics Division/TFIDT, BNRist, Department of Automation, Tsinghua University, Beijing 100084, China
| | - Chen Bao
- MOE Key Laboratory of Bioinformatics and TCM-X Center/Bioinformatics Division/TFIDT, BNRist, Department of Automation, Tsinghua University, Beijing 100084, China
| | - Dacheng Ma
- MOE Key Laboratory of Bioinformatics and TCM-X Center/Bioinformatics Division/TFIDT, BNRist, Department of Automation, Tsinghua University, Beijing 100084, China
| | - Yubing Cao
- MOE Key Laboratory of Bioinformatics and TCM-X Center/Bioinformatics Division/TFIDT, BNRist, Department of Automation, Tsinghua University, Beijing 100084, China
| | - Yanda Li
- MOE Key Laboratory of Bioinformatics and TCM-X Center/Bioinformatics Division/TFIDT, BNRist, Department of Automation, Tsinghua University, Beijing 100084, China
| | - Zhen Xie
- MOE Key Laboratory of Bioinformatics and TCM-X Center/Bioinformatics Division/TFIDT, BNRist, Department of Automation, Tsinghua University, Beijing 100084, China
| | - Shao Li
- MOE Key Laboratory of Bioinformatics and TCM-X Center/Bioinformatics Division/TFIDT, BNRist, Department of Automation, Tsinghua University, Beijing 100084, China
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Serrano C, Mariño-Enríquez A, Tao DL, Ketzer J, Eilers G, Zhu M, Yu C, Mannan AM, Rubin BP, Demetri GD, Raut CP, Presnell A, McKinley A, Heinrich MC, Czaplinski JT, Sicinska E, Bauer S, George S, Fletcher JA. Complementary activity of tyrosine kinase inhibitors against secondary kit mutations in imatinib-resistant gastrointestinal stromal tumours. Br J Cancer 2019; 120:612-620. [PMID: 30792533 PMCID: PMC6462042 DOI: 10.1038/s41416-019-0389-6] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 09/28/2018] [Accepted: 10/22/2018] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Most patients with KIT-mutant gastrointestinal stromal tumours (GISTs) benefit from imatinib, but treatment resistance results from outgrowth of heterogeneous subclones with KIT secondary mutations. Once resistance emerges, targeting KIT with tyrosine kinase inhibitors (TKIs) sunitinib and regorafenib provides clinical benefit, albeit of limited duration. METHODS We systematically explored GIST resistance mechanisms to KIT-inhibitor TKIs that are either approved or under investigation in clinical trials: the studies draw upon GIST models and clinical trial correlative science. We subsequently modelled in vitro a rapid TKI alternation approach against subclonal heterogeneity. RESULTS Each of the KIT-inhibitor TKIs targets effectively only a subset of KIT secondary mutations in GIST. Regorafenib and sunitinib have complementary activity in that regorafenib primarily inhibits imatinib-resistance mutations in the activation loop, whereas sunitinib inhibits imatinib-resistance mutations in the ATP-binding pocket. We find that rapid alternation of sunitinib and regorafenib suppresses growth of polyclonal imatinib-resistant GIST more effectively than either agent as monotherapy. CONCLUSIONS Our data highlight that heterogeneity of KIT secondary mutations is the main mechanism of tumour progression to KIT inhibitors in imatinib-resistant GIST patients. Therapeutic combinations of TKIs with complementary activity against resistant mutations may be useful to suppress growth of polyclonal imatinib-resistance in GIST.
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Affiliation(s)
- César Serrano
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, 20 Shattuck Street, Thorn 528, Boston, MA, USA.
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.
- Sarcoma Translational Research Laboratory, Vall d'Hebron Institute of Oncology; Department of Oncology, Vall d'Hebron University Hospital, Barcelona, Spain.
| | - Adrián Mariño-Enríquez
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, 20 Shattuck Street, Thorn 528, Boston, MA, USA
| | - Derrick L Tao
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, 20 Shattuck Street, Thorn 528, Boston, MA, USA
| | - Julia Ketzer
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Grant Eilers
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, 20 Shattuck Street, Thorn 528, Boston, MA, USA
| | - Meijun Zhu
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, 20 Shattuck Street, Thorn 528, Boston, MA, USA
| | - Channing Yu
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Broad Institute of MIT and Harvard, 7 Cambridge Center, Cambridge, MA, USA
- Daiichi Sankyo Inc., Basking Ridge, NJ, USA
| | - Aristotle M Mannan
- Broad Institute of MIT and Harvard, 7 Cambridge Center, Cambridge, MA, USA
| | - Brian P Rubin
- Department of Molecular Genetics, Lerner Research Institute and Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH, USA
| | - George D Demetri
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Ludwig Center for Cancer Research at Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Chandrajit P Raut
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Division of Surgical Oncology, Brigham and Women's Hospital, Harvard Medical School, Boston, 75 Francis Street, Boston, MA, USA
| | - Ajia Presnell
- Portland VA Medical Center and OHSU Knight Cancer Institute, Portland, Oregon, USA
| | - Arin McKinley
- Portland VA Medical Center and OHSU Knight Cancer Institute, Portland, Oregon, USA
| | - Michael C Heinrich
- Portland VA Medical Center and OHSU Knight Cancer Institute, Portland, Oregon, USA
| | | | - Ewa Sicinska
- Department of Oncologic Pathology, Dana Farber Cancer Institute, Boston, MA, USA
| | - Sebastian Bauer
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Suzanne George
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Jonathan A Fletcher
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, 20 Shattuck Street, Thorn 528, Boston, MA, USA.
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.
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55
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Madani Tonekaboni SA, Soltan Ghoraie L, Manem VSK, Haibe-Kains B. Predictive approaches for drug combination discovery in cancer. Brief Bioinform 2019; 19:263-276. [PMID: 27881431 DOI: 10.1093/bib/bbw104] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Indexed: 02/07/2023] Open
Abstract
Drug combinations have been proposed as a promising therapeutic strategy to overcome drug resistance and improve efficacy of monotherapy regimens in cancer. This strategy aims at targeting multiple components of this complex disease. Despite the increasing number of drug combinations in use, many of them were empirically found in the clinic, and the molecular mechanisms underlying these drug combinations are often unclear. These challenges call for rational, systematic approaches for drug combination discovery. Although high-throughput screening of single-agent therapeutics has been successfully implemented, it is not feasible to test all possible drug combinations, even for a reduced subset of anticancer drugs. Hence, in vitro and in vivo screening of a large number of drug combinations are not practical. Therefore, devising computational methods to efficiently explore the space of drug combinations and to discover efficacious combinations has attracted a lot of attention from the scientific community in the past few years. Nevertheless, in the absence of consensus regarding the computational approaches used to predict efficacious drug combinations, a plethora of methods, techniques and hypotheses have been developed to date, while the research field lacks an elaborate categorization of the existing computational methods and the available data sources. In this manuscript, we review and categorize the state-of-the-art computational approaches for drug combination prediction, and elaborate on the limitations of these methods and the existing challenges. We also discuss about the recent pan-cancer drug combination data sets and their importance in revising the available methods or developing more performant approaches.
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Affiliation(s)
- Seyed Ali Madani Tonekaboni
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Laleh Soltan Ghoraie
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Venkata Satya Kumar Manem
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Benjamin Haibe-Kains
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada.,Department of Computer Science, University of Toronto, Toronto, Ontario, Canada.,Ontario Institute of Cancer Research, Toronto, Ontario, Canada
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56
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Dakik P, McAuley M, Chancharoen M, Mitrofanova D, Lozano Rodriguez ME, Baratang Junio JA, Lutchman V, Cortes B, Simard É, Titorenko VI. Pairwise combinations of chemical compounds that delay yeast chronological aging through different signaling pathways display synergistic effects on the extent of aging delay. Oncotarget 2019; 10:313-338. [PMID: 30719227 PMCID: PMC6349451 DOI: 10.18632/oncotarget.26553] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 12/20/2018] [Indexed: 01/08/2023] Open
Abstract
We have recently discovered six plant extracts that delay yeast chronological aging. Most of them affect different nodes, edges and modules of an evolutionarily conserved network of longevity regulation that integrates certain signaling pathways and protein kinases; this network is also under control of such aging-delaying chemical compounds as spermidine and resveratrol. We have previously shown that, if a strain carrying an aging-delaying single-gene mutation affecting a certain node, edge or module of the network is exposed to some of the six plant extracts, the mutation and the plant extract enhance aging-delaying efficiencies of each other so that their combination has a synergistic effect on the extent of aging delay. We therefore hypothesized that a pairwise combination of two aging-delaying plant extracts or a combination of one of these plant extracts and spermidine or resveratrol may have a synergistic effect on the extent of aging delay only if each component of this combination targets a different element of the network. To test our hypothesis, we assessed longevity-extending efficiencies of all possible pairwise combinations of the six plant extracts or of one of them and spermidine or resveratrol in chronologically aging yeast. In support of our hypothesis, we show that only pairwise combinations of naturally-occurring chemical compounds that slow aging through different nodes, edges and modules of the network delay aging in a synergistic manner.
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Affiliation(s)
- Pamela Dakik
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Mélissa McAuley
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | | | - Darya Mitrofanova
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | | | | | - Vicky Lutchman
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Berly Cortes
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Éric Simard
- Idunn Technologies Inc., Rosemere, Quebec, Canada
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57
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Guo X, Zhao Z, Chen D, Qiao M, Wan F, Cun D, Sun Y, Yang M. Co-delivery of resveratrol and docetaxel via polymeric micelles to improve the treatment of drug-resistant tumors. Asian J Pharm Sci 2019; 14:78-85. [PMID: 32104440 PMCID: PMC7032195 DOI: 10.1016/j.ajps.2018.03.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 03/10/2018] [Accepted: 03/10/2018] [Indexed: 02/07/2023] Open
Abstract
Co-delivery of anti-cancer drugs is promising to improve the efficacy of cancer treatment. This study was aiming to investigate the potential of concurrent delivery of resveratrol (RES) and docetaxel (DTX) via polymeric nanocarriers to treat breast cancer. To this end, methoxyl poly(ethylene glycol)-poly(d,l-lactide) copolymer (mPEG-PDLA) was prepared and characterized using FTIR and 1H NMR, and their molecular weights were determined by GPC. Isobologram analysis and combination index calculation were performed to find the optimal ratio between RES and DTX to against human breast adenocarcinoma cell line (MCF-7 cells). Subsequently, RES and DTX were loaded in the mPEG-PDLA micelles simultaneously, and the morphology, particle size distribution, in vitro release, pharmacokinetic profiles, as well as cytotoxicity to the MCF-7 cells were characterized. IC50 of RES and DTX in MCF-7 cells were determined to be 23.0 µg/ml and 10.4 µg/ml, respectively, while a lower IC50 of 4.8 µg/ml of the combination of RES and DTX was obtained. The combination of RES and DTX at a ratio of 1:1 (w/w) generated stronger synergistic effect than other ratios in the MCF-7 cells. RES and DTX loaded mPEG-PDLA micelles exhibited prolonged release profiles, and enhanced cytotoxicity in vitro against MCF-7 cells. The AUC(0→ t ) of DTX and RES in mPEG-PDLA micelles after i.v. administration to rats were 3.0-fold and 1.6-fold higher than that of i.v. injections of the individual drugs. These findings indicated that the co-delivery of RES and DTX using mPEG-PDLA micelles could have better treatment of tumors.
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Affiliation(s)
- Xiong Guo
- Wuya College of Innovation, Shenyang Pharmaceutical University, Wenhua Road No. 103, Shenyang 110016, China
| | - Zhiyue Zhao
- School of Graduate, Liaoning University of Traditional Chinese Medicine, Chong Shan Road No. 79, Shenyang 110847, China
| | - Dawei Chen
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road No. 103, Shenyang 110016, China
| | - Mingxi Qiao
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road No. 103, Shenyang 110016, China
| | - Feng Wan
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen O, Denmark
| | - Dongmei Cun
- Wuya College of Innovation, Shenyang Pharmaceutical University, Wenhua Road No. 103, Shenyang 110016, China
| | - Yi Sun
- Department of Micro- and Nanotechnology, Technical University of Denmark, Ørsteds Plads, Kgs. Lyngby 2800, Denmark
| | - Mingshi Yang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Wenhua Road No. 103, Shenyang 110016, China
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen O, Denmark
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58
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Rovithi M, Gerritse SL, Honeywell RJ, Ten Tije AJ, Ruijter R, Peters GJ, Voortman J, Labots M, Verheul HMW. Phase I Dose-Escalation Study of Once Weekly or Once Every Two Weeks Administration of High-Dose Sunitinib in Patients With Refractory Solid Tumors. J Clin Oncol 2018; 37:411-418. [PMID: 30586316 PMCID: PMC6368417 DOI: 10.1200/jco.18.00725] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
PURPOSE Dose and schedule optimization of treatment with tyrosine kinase inhibitors is of utmost importance. On the basis of preclinical data, a phase I clinical trial of once weekly or once every 2 weeks administration of high-dose sunitinib in patients with refractory solid malignancies was conducted. PATIENTS AND METHODS Patients with advanced cancer refractory to standard treatment were eligible. With use of a standard 3 + 3 phase I design, patients received escalating doses of sunitinib, in 100 mg increments, starting at 200 mg once weekly. In both the once weekly and once every 2 weeks cohorts, 10 more patients were included at the maximum tolerated dose level. Primary end points were safety and tolerability. RESULTS Sixty-nine patients with advanced cancer, predominantly colorectal cancer (42%), were treated with this alternative dosing regimen. Maximum tolerated dose was established at 300 mg once weekly and 700 mg once every 2 weeks, resulting in nine- and 18-fold higher maximum plasma concentrations compared with standard dose, respectively. Treatment was well tolerated, with fatigue (81%), nausea (48%), and anorexia (33%) being the most frequent adverse events. The only grade 3 or 4 treatment-related adverse event in 5% or more of patients was fatigue (6%). Sixty-three percent of patients had significant clinical benefit, with a 30% progression-free survival of 5 months or more. CONCLUSION Sunitinib administered once weekly at 300 mg or once every 2 weeks at 700 mg is feasible, with comparable tolerability as daily administration. Administration of 700 mg once every 2 weeks can be considered as the most optimal schedule because of the highest maximum plasma concentration being reached. The promising preliminary antitumor activity of this alternative schedule in heavily pretreated patients warrants further clinical evaluation and might ultimately indicate a class characteristic of tyrosine kinase inhibitors.
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Affiliation(s)
- Maria Rovithi
- Vrije Universiteit Medical Center, Amsterdam, the Netherlands
| | | | | | | | - Rita Ruijter
- Vrije Universiteit Medical Center, Amsterdam, the Netherlands
| | | | - Jens Voortman
- Vrije Universiteit Medical Center, Amsterdam, the Netherlands
| | - Mariette Labots
- Vrije Universiteit Medical Center, Amsterdam, the Netherlands
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Contreras L, Calderon RI, Varela-Ramirez A, Zhang HY, Quan Y, Das U, Dimmock JR, Skouta R, Aguilera RJ. Induction of apoptosis via proteasome inhibition in leukemia/lymphoma cells by two potent piperidones. Cell Oncol (Dordr) 2018; 41:623-636. [PMID: 30088262 PMCID: PMC6241245 DOI: 10.1007/s13402-018-0397-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/29/2018] [Indexed: 01/12/2023] Open
Abstract
PURPOSE Previously, compounds containing a piperidone structure have been shown to be highly cytotoxic to cancer cells. Recently, we found that the piperidone compound P2 exhibits a potent anti-neoplastic activity against human breast cancer-derived cells. Here, we aimed to evaluate two piperidone compounds, P1 and P2, for their potential anti-neoplastic activity against human leukemia/lymphoma-derived cells. METHODS Cytotoxicity and apoptosis induction were evaluated using MTS, annexin V-FITC/PI and mitochondrial membrane potential polychromatic assays to confirm the mode of action of the piperidone compounds. The effects of compound P1 and P2 treatment on gene expression were assessed using AmpliSeq analysis and, subsequently, confirmed by RT-qPCR and Western blotting. RESULTS We found that the two related piperidone compounds P1 and P2 selectively killed the leukemia/lymphoma cells tested at nanomolar concentrations through induction of the intrinsic apoptotic pathway, as demonstrated by mitochondrial depolarization and caspase-3 activation. AmpliSeq-based transcriptome analyses of the effects of compounds P1 and P2 on HL-60 acute leukemia cells revealed a differential expression of hundreds of genes, 358 of which were found to be affected by both. Additional pathway analyses revealed that a significant number of the common genes were related to the unfolded protein response, implying a possible role of the two compounds in the induction of proteotoxic stress. Subsequent analyses of the transcriptome data revealed that P1 and P2 induced similar gene expression alterations as other well-known proteasome inhibitors. Finally, we found that Noxa, an important mediator of the activity of proteasome inhibitors, was significantly upregulated at both the mRNA and protein levels, indicating a possible role in the cytotoxic mechanism induced by P1 and P2. CONCLUSIONS Our data indicate that the cytotoxic activity of P1 and P2 on leukemia/lymphoma cells is mediated by proteasome inhibition, leading to activation of pro-apoptotic pathways.
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Affiliation(s)
- Lisett Contreras
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA
| | - Ruben I Calderon
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA
| | - Armando Varela-Ramirez
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA
| | - Hong-Yu Zhang
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Yuan Quan
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Umashankar Das
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, S7N 5E5, Canada
| | - Jonathan R Dimmock
- Drug Discovery and Development Research Group, College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, S7N 5E5, Canada
| | - Rachid Skouta
- Department of Chemistry, Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA
- Department of Biology, University of Massachusetts, Amherst, MA, 01003-9297, USA
| | - Renato J Aguilera
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX, 79968-0519, USA.
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60
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Close DA, Wang AX, Kochanek SJ, Shun T, Eiseman JL, Johnston PA. Implementation of the NCI-60 Human Tumor Cell Line Panel to Screen 2260 Cancer Drug Combinations to Generate >3 Million Data Points Used to Populate a Large Matrix of Anti-Neoplastic Agent Combinations (ALMANAC) Database. SLAS DISCOVERY 2018; 24:242-263. [PMID: 30500310 DOI: 10.1177/2472555218812429] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Animal and clinical studies demonstrate that cancer drug combinations (DCs) are more effective than single agents. However, it is difficult to predict which DCs will be more efficacious than individual drugs. Systematic DC high-throughput screening (HTS) of 100 approved drugs in the National Cancer Institute's panel of 60 cancer cell lines (NCI-60) produced data to help select DCs for further consideration. We miniaturized growth inhibition assays into 384-well format, increased the fetal bovine serum amount to 10%, lengthened compound exposure to 72 h, and used a homogeneous detection reagent. We determined the growth inhibition 50% values of individual drugs across 60 cell lines, selected drug concentrations for 4 × 4 DC matrices (DCMs), created DCM master and replica daughter plate sets, implemented the HTS, quality control reviewed the data, and analyzed the results. A total of 2620 DCMs were screened in 60 cancer cell lines to generate 3.04 million data points for the NCI ALMANAC (A Large Matrix of Anti-Neoplastic Agent Combinations) database. We confirmed in vitro a synergistic drug interaction flagged in the DC HTS between the vinca-alkaloid microtubule assembly inhibitor vinorelbine (Navelbine) tartrate and the epidermal growth factor-receptor tyrosine kinase inhibitor gefitinib (Iressa) in the SK-MEL-5 melanoma cell line. Seventy-five percent of the DCs examined in the screen are not currently in the clinical trials database. Selected synergistic drug interactions flagged in the DC HTS described herein were subsequently confirmed by the NCI in vitro, evaluated mechanistically, and were shown to have greater than single-agent efficacy in mouse xenograft human cancer models. Enrollment is open for two clinical trials for DCs that were identified in the DC HTS. The NCI ALMANAC database therefore constitutes a valuable resource for selecting promising DCs for confirmation, mechanistic studies, and clinical translation.
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Affiliation(s)
- David A Close
- 1 Department of Pharmaceutical Sciences, University of Pittsburgh School of Pharmacy, Pittsburgh, PA, USA
| | - Allen Xinwei Wang
- 1 Department of Pharmaceutical Sciences, University of Pittsburgh School of Pharmacy, Pittsburgh, PA, USA
| | - Stanton J Kochanek
- 1 Department of Pharmaceutical Sciences, University of Pittsburgh School of Pharmacy, Pittsburgh, PA, USA
| | - Tongying Shun
- 2 University of Pittsburgh Drug Discovery Institute, Pittsburgh, PA, USA
| | - Julie L Eiseman
- 3 Cancer Therapeutics Program, The University of Pittsburgh Cancer Institute, Hillman Cancer Center, Pittsburgh, PA, USA.,4 Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,5 University of Pittsburgh Hillman Cancer Center, Pittsburgh, PA, USA
| | - Paul A Johnston
- 1 Department of Pharmaceutical Sciences, University of Pittsburgh School of Pharmacy, Pittsburgh, PA, USA.,5 University of Pittsburgh Hillman Cancer Center, Pittsburgh, PA, USA
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61
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Khaki-Khatibi F, Ghorbani M, Sabzichi M, Ramezani F, Mohammadian J. Adjuvant therapy with stattic enriches the anti-proliferative effect of doxorubicin in human ZR-75-1 breast cancer cells via arresting cell cycle and inducing apoptosis. Biomed Pharmacother 2018; 109:1240-1248. [PMID: 30551374 DOI: 10.1016/j.biopha.2018.10.183] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 10/28/2018] [Accepted: 10/31/2018] [Indexed: 01/05/2023] Open
Abstract
Adjuvant therapy with novel and effective component has been presented as a contrivance in breast cancer treatment versus the conventional methods. The current research was done to evaluate the implement of stattic, specific STAT3 inhibitor on the anti-proliferative and apoptotic behavior of doxorubicin on ZR-75-1 breast cancer cells. Cell viability was investigated by MTT assay, the percentage of apoptosis by DAPI staining, and Annexin V. Real Time-PCR was applied to find out the correlation between mechanistic roles of the STAT3 pathway and apoptotic signal in the modulation of Bcl-2 and Bax gene expressions axis. The IC50 values for doxorubicin and stattic were 2.5 ± 0.18 μM and 3.5 ± 0.28 μM, respectively. Combination index (CI) value for ZR-75-1 breast cancer was 0.72, which indicated a strong synergistic effect. Incubation of the cells with a combination of stattic and doxorubicin revealed a significant increase in growth inhibitory effect of doxorubicin with more than 50% decrease in proliferation rate and a two-fold increase in the percentage of apoptotic cells. Assessment of gene expression levels demonstrated a visible decrease in antiapoptotic Bcl-2 and Bcl-xl accompanied by an increase in pro-apoptotic Bax mRNA levels (p < 0.05). Taken together, our results show that combination of a STAT3 inhibitor and doxorubicin can be figured out as a promising approach for dealing of patients with breast cancers.
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Affiliation(s)
- Fatemeh Khaki-Khatibi
- Department of Biochemistry & Clinical laboratory, Faculty of medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Marjan Ghorbani
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Sabzichi
- Department of Biochemistry & Clinical laboratory, Faculty of medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatemeh Ramezani
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jamal Mohammadian
- Hematology & Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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62
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Raikwar S, Vyas S, Sharma R, Mody N, Dubey S, Vyas SP. Nanocarrier-Based Combination Chemotherapy for Resistant Tumor: Development, Characterization, and Ex Vivo Cytotoxicity Assessment. AAPS PharmSciTech 2018; 19:3839-3849. [PMID: 30280350 DOI: 10.1208/s12249-018-1185-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 09/11/2018] [Indexed: 01/24/2023] Open
Abstract
A folic acid-conjugated paclitaxel (PTX)-doxorubicin (DOX)-loaded nanostructured lipid carrier(s) (FA-PTX-DOX NLCs) were prepared by using emulsion-evaporation method and extensively characterized for particle size, polydispersity index, zeta potential, and % entrapment efficiency which were found to be 196 ± 2.5 nm, 0.214 ± 0.04, +23.4 ± 0.3 mV and 88.3 ± 0.2% (PTX), and 89.6 ± 0.5% (DOX) respectively. In vitro drug release study of optimized formulation was carried out using dialysis tube method. FA-conjugated PTX-DOX-loaded NLCs showed 75.6 and 78.4% (cumulative drug release) of PTX and DOX respectively in 72 h in PBS (pH 7.4)/methanol (7:3), while in the case of FA-conjugated PTX-DOX-loaded NLCs, cumulative drug release recorded was 80.4 and 82.8% of PTX and DOX respectively in 72 h in PBS (pH 4.0)/methanol (7:3). Further, the formulation(s) were evaluated for ex vivo cytotoxicity study. The cytotoxicity assay in doxorubicin-resistant human breast cancer MCF-7/ADR cell lines revealed lowest GI50 value of FA-D-P NLCs which was 1.04 ± 0.012 μg/ml, followed by D-P NLCs and D-P solution with GI50 values of 3.12 ± 0.023 and 3.89 ± 0.007 μg/ml, respectively. Findings indicated that the folic acid-conjugated PTX and DOX co-loaded NLCs exhibited lower GI50 values as compared to unconjugated PTX and DOX co-loaded NLCs; thus, they have relatively potential anticancer efficacy against resistant tumor.
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63
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Yosef G, Arkadash V, Papo N. Targeting the MMP-14/MMP-2/integrin α vβ 3 axis with multispecific N-TIMP2-based antagonists for cancer therapy. J Biol Chem 2018; 293:13310-13326. [PMID: 29986882 DOI: 10.1074/jbc.ra118.004406] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Indexed: 12/27/2022] Open
Abstract
The pathophysiological functions of the signaling molecules matrix metalloproteinase-14 (MMP-14) and integrin αvβ3 in various types of cancer are believed to derive from their collaborative activity in promoting invasion, metastasis, and angiogenesis, as shown in vitro and in vivo The two effectors act in concert in a cell-specific manner through the localization of pro-MMP-2 to the cell surface, where it is processed to intermediate and matured MMP-2. The matured MMP-2 product is localized to the cell surface via its binding to integrin αvβ3 The MMP-14/MMP-2/integrin αvβ3 axis thus constitutes an attractive putative target for therapeutic interventions, but the development of inhibitors that target this axis remains an unfulfilled task. To address the lack of such multitarget inhibitors, we have established a combinatorial approach that is based on flow cytometry screening of a yeast-displayed N-TIMP2 (N-terminal domain variant of tissue inhibitor of metalloproteinase-2) mutant library. On the basis of this screening, we generated protein monomers and a heterodimer that contain monovalent and bivalent binding epitopes to MMP-14 and integrin αvβ3 Among these proteins, the bi-specific heterodimer, which bound strongly to both MMP-14 and integrin αvβ3, exhibited superior ability to inhibit MMP-2 activation and displayed the highest inhibitory activity in cell-based models of a MMP-14-, MMP-2-, and integrin αvβ3-dependent glioblastoma and of endothelial cell invasiveness and endothelial capillary tube formation. These assays enabled us to show the superiority of the combined target effects of the inhibitors and to investigate separately the role each of the three signaling molecules in various malignant processes.
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Affiliation(s)
- Gal Yosef
- From the Department of Biotechnology Engineering and the National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Valeria Arkadash
- From the Department of Biotechnology Engineering and the National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Niv Papo
- From the Department of Biotechnology Engineering and the National Institute of Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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64
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Ravindranathan P, Pasham D, Balaji U, Cardenas J, Gu J, Toden S, Goel A. Mechanistic insights into anticancer properties of oligomeric proanthocyanidins from grape seeds in colorectal cancer. Carcinogenesis 2018; 39:767-777. [PMID: 29684110 PMCID: PMC5972632 DOI: 10.1093/carcin/bgy034] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 02/22/2018] [Accepted: 04/09/2018] [Indexed: 01/15/2023] Open
Abstract
Although the anticancer properties of oligomeric proanthocyanidins (OPCs) from grape seeds have been well recognized, the molecular mechanisms by which they exert anticancer effects are poorly understood. In this study, through comprehensive RNA-sequencing-based gene expression profiling in multiple colorectal cancer cell lines, we for the first time illuminate the genome-wide effects of OPCs from grape seeds in colorectal cancer. Our data revealed that OPCs affect several key cancer-associated genes. In particular, genes involved in cell cycle and DNA replication were most significantly and consistently altered by OPCs across multiple cell lines. Intriguingly, our in vivo experiments showed that OPCs were significantly more potent at decreasing xenograft tumor growth compared with the unfractionated grape seed extract (GSE) that includes the larger polymers of proanthocyanidins. These findings were further confirmed in colorectal cancer patient-derived organoids, wherein OPCs more potently inhibited the formation of organoids compared with GSE. Furthermore, we validated alteration of cell cycle and DNA replication-associated genes in cancer cell lines, mice xenografts as well as patient-derived organoids. Overall, this study provides an unbiased and comprehensive look at the mechanisms by which OPCs exert anticancer properties in colorectal cancer.
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Affiliation(s)
- Preethi Ravindranathan
- Center for Gastrointestinal Research, Center for Translational Genomics and Oncology, Baylor Scott and White Research Institute and Charles A Sammons Cancer Center, Dallas, TX, USA
| | - Divya Pasham
- Center for Gastrointestinal Research, Center for Translational Genomics and Oncology, Baylor Scott and White Research Institute and Charles A Sammons Cancer Center, Dallas, TX, USA
| | - Uthra Balaji
- Baylor Scott and White Research Institute and Sammons Cancer Center, Baylor University Medical Center, Dallas, TX, USA
| | - Jacob Cardenas
- Baylor Scott and White Research Institute and Sammons Cancer Center, Baylor University Medical Center, Dallas, TX, USA
| | - Jinghua Gu
- Baylor Scott and White Research Institute and Sammons Cancer Center, Baylor University Medical Center, Dallas, TX, USA
| | - Shusuke Toden
- Center for Gastrointestinal Research, Center for Translational Genomics and Oncology, Baylor Scott and White Research Institute and Charles A Sammons Cancer Center, Dallas, TX, USA
| | - Ajay Goel
- Center for Gastrointestinal Research, Center for Translational Genomics and Oncology, Baylor Scott and White Research Institute and Charles A Sammons Cancer Center, Dallas, TX, USA
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65
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Doroshow DB, Eder JP, LoRusso PM. BET inhibitors: a novel epigenetic approach. Ann Oncol 2018; 28:1776-1787. [PMID: 28838216 DOI: 10.1093/annonc/mdx157] [Citation(s) in RCA: 230] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Epigenetics has been defined as 'the structural adaptation of chromosomal regions so as to register, signal or perpetuate altered activity states.' Currently, several classes of anticancer drugs function at the epigenetic level, including inhibitors of DNA methyltransferase, histone deacetylase (HDAC), lysine-specific demethylase 1, zeste homolog 2, and bromodomain and extra-terminal motif (BET) proteins.BET proteins have multiple functions, including the initiation and elongation of transcription and cell cycle regulation. In recent years, inhibitors of BET proteins have been developed as anticancer agents. These inhibitors exhibit selectivity for tumor cells by preferentially binding to superenhancers, noncoding regions of DNA critical for the transcription of genes that determine a cell's identity. Preclinical research on BET inhibitors has identified them as a potential means of targeting MYC.Early clinical trials with BET inhibitors have had mixed results, with few responses in both hematologic and solid tumors that tend to be short-lived. Toxicities have included severe, thrombocytopenia, fatigue, nausea, vomiting, and diarrhea; GI side-effects, fatigue, and low-grade dysgeusia have limited compliance. However, preclinical data suggest that BET inhibitors may have a promising future in combination with other agents. They appear to be able to overcome resistance to targeted agents and have strong synergy with immune checkpoint inhibitors as well as with multiple epigenetic agents, particularly HDAC inhibitors. In many instances, BET and HDAC inhibitors were synergistic at reduced doses, suggesting a potential means of avoiding the overlapping toxicities of the two drug classes.BET inhibitors provide a novel approach to epigenetic anticancer therapy. However, to date they appear to have limited efficacy as single agents. A focus on BET inhibitors in combination with other drugs such as targeted and/or as other epigenetic agents is warranted, due to limited monotherapy activity, including pharmacodynamic correlatives differential activity amongst select drug combinations.
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Affiliation(s)
- D B Doroshow
- Section of Medical Oncology, Department of Medicine, Yale University and Yale Cancer Center, New Haven, USA
| | - J P Eder
- Section of Medical Oncology, Department of Medicine, Yale University and Yale Cancer Center, New Haven, USA
| | - P M LoRusso
- Section of Medical Oncology, Department of Medicine, Yale University and Yale Cancer Center, New Haven, USA
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66
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Masamha CP, LaFontaine P. Molecular targeting of glutaminase sensitizes ovarian cancer cells to chemotherapy. J Cell Biochem 2018; 119:6136-6145. [DOI: 10.1002/jcb.26814] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 02/23/2018] [Indexed: 01/04/2023]
Affiliation(s)
- Chioniso P. Masamha
- Department of Pharmaceutical SciencesCollege of Pharmacy and Health SciencesButler UniversityIndianapolisIndiana
| | - Patrick LaFontaine
- Department of Pharmaceutical SciencesCollege of Pharmacy and Health SciencesButler UniversityIndianapolisIndiana
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67
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Novel Insights into the Treatment of Imatinib-Resistant Gastrointestinal Stromal Tumors. Target Oncol 2018; 12:277-288. [PMID: 28478525 DOI: 10.1007/s11523-017-0490-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Gastrointestinal stromal tumors (GIST) have emerged as a compelling clinical and biological model for the rational development of therapeutic strategies targeting critical oncogenic events over the past two decades. Oncogenic activation of KIT or PDGFRA receptor tyrosine kinases is the crucial driver for GIST tumor initiation, transformation, and cancer cell proliferation. Three tyrosine kinase inhibitors (TKIs) with KIT inhibitory activity - imatinib, sunitinib, and regorafenib - are approved to treat advanced GIST and have successfully exploited this addiction to KIT oncogenic signaling, demonstrating remarkable activity in a disease that historically had no successful systemic therapy options. However, GIST refractory to approved TKIs remain an unmet clinical need, as virtually all patients with metastatic GIST eventually progress on any given therapy. The main and best-established mechanism of resistance is the polyclonal expansion of multiple subpopulations harboring different secondary KIT mutations. The present review aims at summarizing current and forthcoming treatment directions in advanced imatinib-resistant GIST supported by a strong biological rationale.
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68
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Murai J, Feng Y, Yu GK, Ru Y, Tang SW, Shen Y, Pommier Y. Resistance to PARP inhibitors by SLFN11 inactivation can be overcome by ATR inhibition. Oncotarget 2018; 7:76534-76550. [PMID: 27708213 PMCID: PMC5340226 DOI: 10.18632/oncotarget.12266] [Citation(s) in RCA: 199] [Impact Index Per Article: 33.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 08/26/2016] [Indexed: 12/20/2022] Open
Abstract
Poly(ADP-ribose) polymerase inhibitors (PARPIs) kill cancer cells by trapping PARP1 and PARP2. Talazoparib, the most potent PARPI inhibitor (PARPI), exhibits remarkable selectivity among the NCI-60 cancer cell lines beyond BRCA inactivation. Our genomic analyses reveal high correlation between response to talazoparib and Schlafen 11 (SLFN11) expression. Causality was established in four isogenic SLFN11-positive and -negative cell lines and extended to olaparib. Response to the talazoparib-temozolomide combination was also driven by SLFN11 and validated in 36 small cell lung cancer cell lines, and in xenograft models. Resistance in SLFN11-deficient cells was caused neither by impaired drug penetration nor by activation of homologous recombination. Rather, SLFN11 induced irreversible and lethal replication inhibition, which was independent of ATR-mediated S-phase checkpoint. The resistance to PARPIs by SLFN11 inactivation was overcome by ATR inhibition, mechanistically because SLFN11-deficient cells solely rely on ATR activation for their survival under PARPI treatment. Our study reveals that SLFN11 inactivation, which is common (~45%) in cancer cells, is a novel and dominant resistance determinant to PARPIs.
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Affiliation(s)
- Junko Murai
- Developmental Therapeutics Branch and Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Ying Feng
- BioMarin Pharmaceutical Inc., Novato, CA, USA
| | | | - Yuanbin Ru
- BioMarin Pharmaceutical Inc., Novato, CA, USA
| | - Sai-Wen Tang
- Developmental Therapeutics Branch and Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.,Current affiliation: Division of Blood and Marrow Transplantation, Department of Medicine, Stranford University School of Medicine, Stanford, CA, USA
| | - Yuqiao Shen
- BioMarin Pharmaceutical Inc., Novato, CA, USA
| | - Yves Pommier
- Developmental Therapeutics Branch and Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
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69
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Barrette AM, Bouhaddou M, Birtwistle MR. Integrating Transcriptomic Data with Mechanistic Systems Pharmacology Models for Virtual Drug Combination Trials. ACS Chem Neurosci 2018; 9:118-129. [PMID: 28950062 DOI: 10.1021/acschemneuro.7b00197] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Monotherapy clinical trials with mutation-targeted kinase inhibitors, despite some success in other cancers, have yet to impact glioblastoma (GBM). Besides insufficient blood-brain barrier penetration, combinations are key to overcoming obstacles such as intratumoral heterogeneity, adaptive resistance, and the epistatic nature of tumor genomics that cause mutation-targeted therapies to fail. With now hundreds of potential drugs, exploring the combination space clinically and preclinically is daunting. We are building a simulation-based approach that integrates patient-specific data with a mechanistic computational model of pan-cancer driver pathways (receptor tyrosine kinases, RAS/RAF/ERK, PI3K/AKT/mTOR, cell cycle, apoptosis, and DNA damage) to prioritize drug combinations by their simulated effects on tumor cell proliferation and death. Here we illustrate a first step, tailoring the model to 14 GBM patients from The Cancer Genome Atlas defined by an mRNA-seq transcriptome, and then simulating responses to three promiscuous FDA-approved kinase inhibitors (bosutinib, ibrutinib, and cabozantinib) with evidence for blood-brain barrier penetration. The model captures binding of the drug to primary targets and off-targets based on published affinity data and simulates responses of 100 heterogeneous tumor cells within a patient. Single drugs are marginally effective or even counterproductive. Common copy number alterations (PTEN loss, EGFR amplification, and NF1 loss) have a negligible correlation with single-drug or combination efficacy, reinforcing the importance of postgenetic approaches that account for kinase inhibitor promiscuity to match drugs to patients. Drug combinations tend to be either cytostatic or cytotoxic, but seldom both, highlighting the need for considering targeted and nontargeted therapy. Although we focus on GBM, the approach is generally applicable.
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Affiliation(s)
- Anne Marie Barrette
- Department
of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New
York, New York 10029, United States
| | - Mehdi Bouhaddou
- Department
of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New
York, New York 10029, United States
| | - Marc R. Birtwistle
- Department
of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New
York, New York 10029, United States
- Department
of Chemical and Biomolecular Engineering, Clemson University, Clemson, South Carolina 29631, United States
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70
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He Y, Zhou L, Gao S, Yin T, Tu Y, Rayford R, Wang X, Hu M. Development and validation of a sensitive LC–MS/MS method for simultaneous determination of eight tyrosine kinase inhibitors and its application in mice pharmacokinetic studies. J Pharm Biomed Anal 2018; 148:65-72. [DOI: 10.1016/j.jpba.2017.09.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 08/15/2017] [Accepted: 09/08/2017] [Indexed: 11/26/2022]
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71
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Combination Cancer Therapy Can Confer Benefit via Patient-to-Patient Variability without Drug Additivity or Synergy. Cell 2017; 171:1678-1691.e13. [PMID: 29245013 DOI: 10.1016/j.cell.2017.11.009] [Citation(s) in RCA: 394] [Impact Index Per Article: 56.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Revised: 07/26/2017] [Accepted: 10/31/2017] [Indexed: 12/20/2022]
Abstract
Combination cancer therapies aim to improve the probability and magnitude of therapeutic responses and reduce the likelihood of acquired resistance in an individual patient. However, drugs are tested in clinical trials on genetically diverse patient populations. We show here that patient-to-patient variability and independent drug action are sufficient to explain the superiority of many FDA-approved drug combinations in the absence of drug synergy or additivity. This is also true for combinations tested in patient-derived tumor xenografts. In a combination exhibiting independent drug action, each patient benefits solely from the drug to which his or her tumor is most sensitive, with no added benefit from other drugs. Even when drug combinations exhibit additivity or synergy in pre-clinical models, patient-to-patient variability and low cross-resistance make independent action the dominant mechanism in clinical populations. This insight represents a different way to interpret trial data and a different way to design combination therapies.
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Abstract
Combination therapy programs are the hallmark of the successful treatment of all forms of human malignancies. In this issue of Cell, Palmer and Sorger present data suggesting that cell culture results indicative of synergistic anticancer drug interactions rarely translate clinically and that the results of combination therapies in mouse models or human clinical trials, even if successful, are best explained by the independent activities of the individually administered drugs.
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Affiliation(s)
- James H Doroshow
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, NIH, Bethesda, MD, USA; Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA.
| | - Richard M Simon
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, NIH, Bethesda, MD, USA
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73
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Ravikumar B, Aittokallio T. Improving the efficacy-safety balance of polypharmacology in multi-target drug discovery. Expert Opin Drug Discov 2017; 13:179-192. [DOI: 10.1080/17460441.2018.1413089] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Balaguru Ravikumar
- Institute for Molecular Medicine Finland, FIMM, University of Helsinki, Helsinki, Finland
| | - Tero Aittokallio
- Institute for Molecular Medicine Finland, FIMM, University of Helsinki, Helsinki, Finland
- Department of Mathematics and Statistics, University of Turku, Turku, Finland
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74
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Targeting eIF4E inhibits growth, survival and angiogenesis in retinoblastoma and enhances efficacy of chemotherapy. Biomed Pharmacother 2017; 96:750-756. [DOI: 10.1016/j.biopha.2017.10.034] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 09/09/2017] [Accepted: 10/09/2017] [Indexed: 01/09/2023] Open
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75
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Ma X, Lv X, Zhang J. Exploiting polypharmacology for improving therapeutic outcome of kinase inhibitors (KIs): An update of recent medicinal chemistry efforts. Eur J Med Chem 2017; 143:449-463. [PMID: 29202407 DOI: 10.1016/j.ejmech.2017.11.049] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 10/12/2017] [Accepted: 11/18/2017] [Indexed: 12/23/2022]
Abstract
Polypharmacology has been increasingly advocated for the therapeutic intervention in complex pathological conditions, exemplified by cancer. Although kinase inhibitors (KIs) have revolutionized the treatment for certain types of malignancies, some major medical needs remain unmet due to the relentless advance of drug resistance and insufficient efficacy of mono-target KIs. Hence, "multiple targets, multi-dimensional activities" represents an emerging paradigm for innovative anti-cancer drug discovery. Over recent years, considerable leaps have been made in pursuit of kinase-centric polypharmacological anti-cancer therapeutics, providing avenues to tackling the limitation of mono-target KIs. In the review, we summarize the clinically important mechanisms inducing KI resistance and depict a landscape of recent medicinal chemistry efforts on exploring kinase-centric polypharmacological anti-cancer agents that targeting multiple cancer-related processes. In parallel, some inevitable challenges are emphasized for the sake of more accurate and efficient drug discovery in the field.
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Affiliation(s)
- Xiaodong Ma
- Department of Medicinal Chemistry, School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China; Department of Medicinal Chemistry, Anhui Academy of Chinese Medicine, Hefei 230012, China
| | - Xiaoqing Lv
- College of Medicine, Jiaxing University, Jiaxing 314001, China.
| | - Jiankang Zhang
- Department of Pharmaceutical Preparation, Hangzhou Xixi Hospital, Hangzhou 310023, China.
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Cyclooxygenase-2 mediated synergistic effect of ursolic acid in combination with paclitaxel against human gastric carcinoma. Oncotarget 2017; 8:92770-92777. [PMID: 29190954 PMCID: PMC5696220 DOI: 10.18632/oncotarget.21576] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 09/03/2017] [Indexed: 12/11/2022] Open
Abstract
Ursolic acid (UA) induces apoptosis in gastric cancer cells by inhibiting cyclooxygenase-2 (COX-2). Paclitaxel (PTX) is an important chemotherapy agent used to treat solid tumors. We evaluated the in vitro antitumor activity of UA in combination with PTX against gastric cancer cells and investigated the mechanisms underlying the combined effects. A cytotoxicity test and flow cytometry were utilized to study the effects of UA and PTX on proliferation and apoptosis, respectively. To further elucidate the mechanism, Western blot analysis was used to assess changes in the expression of a series of related proteins, including COX-2, proliferating cell nuclear antigen (PCNA), Bcl-2, and Bax. UA and PTX dose- and time-dependently inhibited BGC-823 and SGC-7901 gastric cancer cell proliferation. Combined delivery of UA and PTX synergistically reduced cell proliferation and induced apoptosis in these cells by lowering COX-2, PCNA, and Bcl-2 expression and by increasing Bax expression. These results indicate that the synergistic inhibition of proliferation and induction of apoptosis by UA and PTX may be induced by reducing COX-2 expression in gastric cancer cells.
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77
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Liu Z, Delavan B, Roberts R, Tong W. Lessons Learned from Two Decades of Anticancer Drugs. Trends Pharmacol Sci 2017; 38:852-872. [DOI: 10.1016/j.tips.2017.06.005] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 06/09/2017] [Accepted: 06/19/2017] [Indexed: 02/08/2023]
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78
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Zanjirband M, Curtin N, Edmondson RJ, Lunec J. Combination treatment with rucaparib (Rubraca) and MDM2 inhibitors, Nutlin-3 and RG7388, has synergistic and dose reduction potential in ovarian cancer. Oncotarget 2017; 8:69779-69796. [PMID: 29050241 PMCID: PMC5642516 DOI: 10.18632/oncotarget.19266] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 06/10/2017] [Indexed: 02/06/2023] Open
Abstract
Ovarian cancer is the seventh most common cancer worldwide for females and the most lethal of all gynecological malignancies. The treatment of ovarian cancer remains a challenge in spite of advances in debulking surgery and changes in both chemotherapy schedules and routes of administration. Cancer treatment has recently been improving with the introduction of targeted therapies to achieve greater specificity and less cytotoxicity. Both PARP inhibitors and MDM2-p53 binding antagonists are targeted therapeutic agents entered into clinical trials. This preclinical study evaluated the effect of Nutlin-3/RG7388 and rucaparib as single agents and in combination together in a panel of ovarian cancer cell lines. Median-drug-effect analysis showed Nutlin-3/RG7388 combination with rucaparib was additive to, or synergistic in a cell type-dependent manner. Mechanism studies showed rucaparib alone had no effect on p53 stabilization or activity. Although treatment with Nutlin-3 or RG7388 induced stabilization of p53 and upregulation of p21WAF1 and MDM2, the addition of rucaparib did not enhance the p53 activation seen with the MDM2 inhibitors alone. These results demonstrate that the synergistic effect on growth inhibition observed in the combination between rucaparib and Nutlin-3/RG7388 is not the result of increased p53 molecular pathway activation. Nevertheless, combined treatment of Nutlin-3/RG7388 with rucaparib increased cell cycle arrest and apoptosis, which was marked for A2780 and IGROV-1. These data indicate that combination treatment with MDM2 inhibitors and rucaparib has synergistic and dose reduction potential for the treatment of ovarian cancer, dependent on cell type.
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Affiliation(s)
- Maryam Zanjirband
- Northern Institute for Cancer Research, Newcastle University, Newcastle Upon Tyne NE2 4HH, United Kingdom
| | - Nicola Curtin
- Northern Institute for Cancer Research, Newcastle University, Newcastle Upon Tyne NE2 4HH, United Kingdom
| | - Richard J. Edmondson
- Faculty Institute for Cancer Sciences, University of Manchester, Manchester M13 9WL, United Kingdom
| | - John Lunec
- Northern Institute for Cancer Research, Newcastle University, Newcastle Upon Tyne NE2 4HH, United Kingdom
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79
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Affiliation(s)
- Madduri Srinivasarao
- Purdue Institute for Drug
Discovery, Purdue University, West Lafayette, Indiana 47907, United States
| | - Philip S. Low
- Purdue Institute for Drug
Discovery, Purdue University, West Lafayette, Indiana 47907, United States
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80
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Bashari O, Redko B, Cohen A, Luboshits G, Gellerman G, Firer MA. Discovery of peptide drug carrier candidates for targeted multi-drug delivery into prostate cancer cells. Cancer Lett 2017; 408:164-173. [PMID: 28888997 DOI: 10.1016/j.canlet.2017.08.040] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 08/23/2017] [Accepted: 08/28/2017] [Indexed: 11/24/2022]
Abstract
Metastatic castration-resistant prostate cancer (mCRPC) remains essentially incurable. Targeted Drug Delivery (TDD) systems may overcome the limitations of current mCRPC therapies. We describe the use of strict criteria to isolate novel prostate cancer cell targeting peptides that specifically deliver drugs into target cells. Phage from a libraries displaying 7mer peptides were exposed to PC-3 cells and only internalized phage were recovered. The ability of these phage to internalize into other prostate cancer cells (LNCaP, DU-145) was validated. The displayed peptides of selected phage clones were synthesized and their specificity for target cells was validated in vitro and in vivo. One peptide (P12) which specifically targeted PC-3 tumors in vivo was incorporated into mono-drug (Chlorambucil, Combretastatin or Camptothecin) and dual-drug (Chlorambucil/Combretastatin or Chlorambucil/Camptothecin) PDCs and the cytotoxic efficacy of these conjugates for target cells was tested. Conjugation of P12 into dual-drug PDCs allowed discovery of new drug combinations with synergistic effects. The use of strict selection criteria can lead to discovery of novel peptides for use as drug carriers for TDD. PDCs represent an effective alternative to current modes of free drug chemotherapy for prostate cancer.
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Affiliation(s)
- O Bashari
- Dept. Chemical Engineering, Ariel University, Ariel, 40700, Israel.
| | - B Redko
- Dept. Chemical Sciences, Ariel University, Ariel, 40700, Israel.
| | - A Cohen
- Dept. Chemical Engineering, Ariel University, Ariel, 40700, Israel.
| | - G Luboshits
- Dept. Chemical Engineering, Ariel University, Ariel, 40700, Israel.
| | - G Gellerman
- Dept. Chemical Sciences, Ariel University, Ariel, 40700, Israel.
| | - M A Firer
- Dept. Chemical Engineering, Ariel University, Ariel, 40700, Israel.
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81
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Pandey MK, Gupta SC, Nabavizadeh A, Aggarwal BB. Regulation of cell signaling pathways by dietary agents for cancer prevention and treatment. Semin Cancer Biol 2017; 46:158-181. [PMID: 28823533 DOI: 10.1016/j.semcancer.2017.07.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 07/05/2017] [Accepted: 07/12/2017] [Indexed: 12/17/2022]
Abstract
Although it is widely accepted that better food habits do play important role in cancer prevention and treatment, how dietary agents mediate their effects remains poorly understood. More than thousand different polyphenols have been identified from dietary plants. In this review, we discuss the underlying mechanism by which dietary agents can modulate a variety of cell-signaling pathways linked to cancer, including transcription factors, nuclear factor κB (NF-κB), signal transducer and activator of transcription 3 (STAT3), activator protein-1 (AP-1), β-catenin/Wnt, peroxisome proliferator activator receptor- gamma (PPAR-γ), Sonic Hedgehog, and nuclear factor erythroid 2 (Nrf2); growth factors receptors (EGFR, VEGFR, IGF1-R); protein Kinases (Ras/Raf, mTOR, PI3K, Bcr-abl and AMPK); and pro-inflammatory mediators (TNF-α, interleukins, COX-2, 5-LOX). In addition, modulation of proteasome and epigenetic changes by the dietary agents also play a major role in their ability to control cancer. Both in vitro and animal based studies support the role of dietary agents in cancer. The efficacy of dietary agents by clinical trials has also been reported. Importantly, natural agents are already in clinical trials against different kinds of cancer. Overall both in vitro and in vivo studies performed with dietary agents strongly support their role in cancer prevention. Thus, the famous quote "Let food be thy medicine and medicine be thy food" made by Hippocrates 25 centuries ago still holds good.
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Affiliation(s)
- Manoj K Pandey
- Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ, USA.
| | - Subash C Gupta
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Ali Nabavizadeh
- Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ, USA
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82
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Beretta GL, Cassinelli G, Pennati M, Zuco V, Gatti L. Overcoming ABC transporter-mediated multidrug resistance: The dual role of tyrosine kinase inhibitors as multitargeting agents. Eur J Med Chem 2017; 142:271-289. [PMID: 28851502 DOI: 10.1016/j.ejmech.2017.07.062] [Citation(s) in RCA: 142] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 07/21/2017] [Accepted: 07/25/2017] [Indexed: 12/14/2022]
Abstract
Resistance to conventional and target specific antitumor drugs still remains one of the major cause of treatment failure and patience death. This condition often involves ATP-binding cassette (ABC) transporters that, by pumping the drugs outside from cancer cells, attenuate the potency of chemotherapeutics and negatively impact on the fate of anticancer therapy. In recent years, several tyrosine kinase inhibitors (TKIs) (e.g., imatinib, nilotinib, dasatinib, ponatinib, gefitinib, erlotinib, lapatinib, vandetanib, sunitinib, sorafenib) have been reported to interact with ABC transporters (e.g., ABCB1, ABCC1, ABCG2, ABCC10). This finding disclosed a very complex scenario in which TKIs may behave as substrates or inhibitors depending on the expression of specific pumps, drug concentration, affinity for transporters and types of co-administered agents. In this context, in-depth investigation on TKI chemosensitizing functions might provide a strong rationale for combining TKIs and conventional therapeutics in specific malignancies. The reposition of TKIs as antagonists of ABC transporters opens a new way towards anticancer therapy and clinical strategies aimed at counteracting drug resistance. This review will focus on some paradigmatic examples of the complex and not yet fully elucidated interaction between clinical available TKIs (e.g. BCR-ABL, EGFR, VEGFR inhibitors) with the main ABC transporters implicated in multidrug resistance.
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Affiliation(s)
- Giovanni Luca Beretta
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo 42, Milano, Italy.
| | - Giuliana Cassinelli
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo 42, Milano, Italy.
| | - Marzia Pennati
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo 42, Milano, Italy.
| | - Valentina Zuco
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo 42, Milano, Italy.
| | - Laura Gatti
- Molecular Pharmacology Unit, Department of Applied Research and Technological Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Amadeo 42, Milano, Italy.
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83
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Low Dose of Doxorubicin Potentiates the Effect of Temozolomide in Glioblastoma Cells. Mol Neurobiol 2017; 55:4185-4194. [PMID: 28612256 DOI: 10.1007/s12035-017-0611-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Accepted: 05/11/2017] [Indexed: 10/19/2022]
Abstract
Glioblastoma (GBM) is an aggressive brain tumor with temozolomide (TMZ)-based chemotherapy as the main therapeutic strategy. Doxorubicin (DOX) is not used in gliomas due to its low bioavailability in the brain; however, new delivery strategies and low doses may be effective in the long term, especially as part of a drug cocktail. Our aim was to evaluate the chronic effects of low doses of DOX and TMZ in GBM. Human U87-ATCC cells and a primary GBM culture were chronically treated with TMZ (5 μM) and DOX (1 and 10 nM) alone or combined. DOX resulted in a reduction in the number of cells over a period of 35 days and delayed the cell regrowth. In addition, DOX induced cell senescence and reduced tumor sphere formation and the proportion of NANOG- and OCT4-positive cells after 7 days. Low doses of TMZ potentiated the effects of DOX on senescence and sphere formation. This combined response using low doses of DOX may pave the way for its use in glioma therapy, with new technologies to overcome its low blood-brain barrier permeability.
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84
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Dai W, Wang X, Song G, Liu T, He B, Zhang H, Wang X, Zhang Q. Combination antitumor therapy with targeted dual-nanomedicines. Adv Drug Deliv Rev 2017; 115:23-45. [PMID: 28285944 DOI: 10.1016/j.addr.2017.03.001] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Revised: 02/24/2017] [Accepted: 03/03/2017] [Indexed: 01/01/2023]
Abstract
Combination therapy is one of the important treatment strategies for cancer at present. However, the outcome of current combination therapy based on the co-administration of conventional dosage forms is suboptimal, due to the short half-lives of chemodrugs, their deficient tumor selectivity and so forth. Nanotechnology-based targeted delivery systems show great promise in addressing the associated problems and providing superior therapeutic benefits. In this review, we focus on the combination of therapeutic strategies between different nanomedicines or drug-loaded nanocarriers, rather than the co-delivery of different drugs via a single nanocarrier. We introduce the general concept of various targeting strategies of nanomedicines, present the principles of combination antitumor therapy with dual-nanomedicines, analyze their advantages and limitations compared with co-delivery strategies, and overview the recent advances of combination therapy based on targeted nanomedicines. Finally, we reviewed the challenges and future perspectives regarding the selection of therapeutic agents, targeting efficiency and the gap between the preclinical and clinical outcome.
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Affiliation(s)
- Wenbing Dai
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xiaoyou Wang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China; State Key Laboratory of Natural and Biomimetic Drugs, Beijing 100191, China
| | - Ge Song
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China; State Key Laboratory of Natural and Biomimetic Drugs, Beijing 100191, China
| | - Tongzhou Liu
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China; State Key Laboratory of Natural and Biomimetic Drugs, Beijing 100191, China
| | - Bing He
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Hua Zhang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xueqing Wang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Qiang Zhang
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China; State Key Laboratory of Natural and Biomimetic Drugs, Beijing 100191, China.
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85
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Solid matrix-based lipid nanoplatforms as carriers for combinational therapeutics in cancer. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2017. [DOI: 10.1007/s40005-017-0337-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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86
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Concurrent activation of β 2-adrenergic receptor and blockage of GPR55 disrupts pro-oncogenic signaling in glioma cells. Cell Signal 2017; 36:176-188. [PMID: 28495590 DOI: 10.1016/j.cellsig.2017.05.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Revised: 04/07/2017] [Accepted: 05/06/2017] [Indexed: 01/17/2023]
Abstract
Activation of β2-adrenergic receptor (β2AR) and deorphanized GPR55 has been shown to modulate cancer growth in diverse tumor types in vitro and in xenograft models in vivo. (R,R')-4'-methoxy-1-naphthylfenoterol [(R,R')-MNF] is a bivalent compound that agonizes β2AR but inhibits GPR55-mediated pro-oncogenic responses. Here, we investigated the molecular mechanisms underlying the anti-tumorigenic effects of concurrent β2AR activation and GPR55 blockade in C6 glioma cells using (R,R')-MNF as a marker ligand. Our data show that (R,R')-MNF elicited G1-phase cell cycle arrest and apoptosis, reduced serum-inducible cell motility, promoted the phosphorylation of PKA target proteins, and inhibited constitutive activation of ERK and AKT in the low nanomolar range, whereas high nanomolar levels of (R,R')-MNF were required to block GPR55-mediated cell motility. siRNA knockdown and pharmacological inhibition of β2AR activity were accompanied by significant upregulation of AKT and ERK phosphorylation, and selective alteration in (R,R')-MNF responsiveness. The effects of agonist stimulation of GPR55 on various readouts, including cell motility assays, were suppressed by (R,R')-MNF. Lastly, a significant increase in phosphorylation-mediated inactivation of β-catenin occurred with (R,R')-MNF, and we provided new evidence of (R,R')-MNF-mediated inhibition of oncogenic β-catenin signaling in a C6 xenograft tumor model. Thus, simultaneous activation of β2AR and blockade of GPR55 may represent a novel therapeutic approach to combat the progression of glioblastoma cancer.
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87
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Zhang B, Song Y, Wang T, Yang S, Zhang J, Liu Y, Zhang N, Garg S. Efficient co-delivery of immiscible hydrophilic/hydrophobic chemotherapeutics by lipid emulsions for improved treatment of cancer. Int J Nanomedicine 2017; 12:2871-2886. [PMID: 28435264 PMCID: PMC5391159 DOI: 10.2147/ijn.s129091] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Combinational nanomedicine is becoming a topic of much interest in cancer therapy, although its translation into the clinic remains extremely challenging. One of the main obstacles lies in the difficulty to efficiently co-deliver immiscible hydrophilic/hydrophobic drugs into tumor sites. The aim of this study was to develop co-loaded lipid emulsions (LEs) to co-deliver immiscible hydrophilic/hydrophobic drugs to improve cancer therapy and to explore the co-delivery abilities between co-loaded LEs and mixture formulation. Multiple oxaliplatin/irinotecan drug–phospholipid complexes (DPCs) were formulated. Co-loaded LEs were prepared using DPC technique to efficiently encapsulate both drugs. Co-loaded LEs exhibited uniform particle size distribution, desired stability and synchronous release profiles in both drugs. Co-loaded LEs demonstrated superior anti-tumor activity compared with the simple solution mixture and the mixture of single-loaded LEs. Furthermore, co-loaded nanocarriers could co-deliver both drugs into the same cells more efficiently and exhibited the optimized synergistic effect. These results indicate that co-loaded LEs could be a desired formulation for enhanced cancer therapy with potential application prospects. The comparison between co-loaded LEs and mixture formulation is significant for pharmaceutical designs aimed at co-delivery of multiple drugs.
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Affiliation(s)
- Bo Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Yunmei Song
- Centre for Pharmaceutical Innovation and Development (CPID), School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, Australia
| | - Tianqi Wang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Shaomei Yang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Jing Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Yongjun Liu
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Na Zhang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Sanjay Garg
- Centre for Pharmaceutical Innovation and Development (CPID), School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, Australia
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88
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Baty F, Joerger M, Früh M, Klingbiel D, Zappa F, Brutsche M. 24h-gene variation effect of combined bevacizumab/erlotinib in advanced non-squamous non-small cell lung cancer using exon array blood profiling. J Transl Med 2017; 15:66. [PMID: 28359318 PMCID: PMC5372268 DOI: 10.1186/s12967-017-1174-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 03/27/2017] [Indexed: 11/10/2022] Open
Abstract
Background The SAKK 19/05 trial investigated the safety and efficacy of the combined targeted therapy bevacizumab and erlotinib (BE) in unselected patients with advanced non-squamous non-small cell lung cancer (NSCLC). Although activating EGFR mutations were the strongest predictors of the response to BE, some patients not harboring driver mutations could benefit from the combined therapy. The identification of predictive biomarkers before or short after initiation of therapy is therefore paramount for proper patient selection, especially among EGFR wild-types. The first aim of this study was to investigate the early change in blood gene expression in unselected patients with advanced non-squamous NSCLC treated by BE. The second aim was to assess the predictive value of blood gene expression levels at baseline and 24h after BE therapy. Methods Blood samples from 43 advanced non-squamous NSCLC patients taken at baseline and 24h after initiation of therapy were profiled using Affymetrix’ exon arrays. The 24h gene dysregulation was investigated in the light of gene functional annotations using gene set enrichment analysis. The predictive value of blood gene expression levels was assessed and validated using an independent dataset. Results Significant gene dysregulations associated with the 24h-effect of BE were detected from blood-based whole-genome profiling. BE had a direct effect on “Pathways in cancer”, by significantly down-regulating genes involved in cytokine–cytokine receptor interaction, MAPK signaling pathway and mTOR signaling pathway. These pathways contribute to phenomena of evasion of apoptosis, proliferation and sustained angiogenesis. Other signaling pathways specifically reflecting the mechanisms of action of erlotinib and the anti-angiogenesis effect of bevacizumab were activated. The magnitude of change of the most dysregulated genes at 24h did not have a predictive value regarding the patients’ response to BE. However, predictive markers were identified from the gene expression levels at 24h regarding time to progression under BE. Conclusions The 24h-effect of the combined targeted therapy BE could be accurately monitored in advanced non-squamous NSCLC blood samples using whole-genome exon arrays. Putative predictive markers at 24h could reflect patients’ response to BE after adjusting for their mutational status. Trial registration ClinicalTrials.gov: NCT00354549 Electronic supplementary material The online version of this article (doi:10.1186/s12967-017-1174-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Florent Baty
- Department of Pulmonary Medicine, Cantonal Hospital St. Gallen, Roschacherstrasse 95, 9007, St. Gallen, Switzerland.
| | - Markus Joerger
- Department of Medical Oncology and Hematology, Cantonal Hospital St. Gallen, Roschacherstrasse 95, 9007, St. Gallen, Switzerland
| | - Martin Früh
- Department of Medical Oncology and Hematology, Cantonal Hospital St. Gallen, Roschacherstrasse 95, 9007, St. Gallen, Switzerland
| | - Dirk Klingbiel
- Swiss Group for Clinical Cancer Research, Effingerstrasse 40, 3008, Bern, Switzerland
| | - Francesco Zappa
- Oncology Institute of Southern Switzerland, Ospedale Regionale San Giovanni, 6500, Belinzona, Switzerland
| | - Martin Brutsche
- Department of Pulmonary Medicine, Cantonal Hospital St. Gallen, Roschacherstrasse 95, 9007, St. Gallen, Switzerland
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89
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Jordan EJ, Kim HR, Arcila ME, Barron D, Chakravarty D, Gao J, Chang MT, Ni A, Kundra R, Jonsson P, Jayakumaran G, Gao SP, Johnsen HC, Hanrahan AJ, Zehir A, Rekhtman N, Ginsberg MS, Li BT, Yu HA, Paik PK, Drilon A, Hellmann MD, Reales DN, Benayed R, Rusch VW, Kris MG, Chaft JE, Baselga J, Taylor BS, Schultz N, Rudin CM, Hyman DM, Berger MF, Solit DB, Ladanyi M, Riely GJ. Prospective Comprehensive Molecular Characterization of Lung Adenocarcinomas for Efficient Patient Matching to Approved and Emerging Therapies. Cancer Discov 2017; 7:596-609. [PMID: 28336552 DOI: 10.1158/2159-8290.cd-16-1337] [Citation(s) in RCA: 438] [Impact Index Per Article: 62.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 01/12/2017] [Accepted: 03/22/2017] [Indexed: 12/18/2022]
Abstract
Tumor genetic testing is standard of care for patients with advanced lung adenocarcinoma, but the fraction of patients who derive clinical benefit remains undefined. Here, we report the experience of 860 patients with metastatic lung adenocarcinoma analyzed prospectively for mutations in >300 cancer-associated genes. Potentially actionable genetic events were stratified into one of four levels based upon published clinical or laboratory evidence that the mutation in question confers increased sensitivity to standard or investigational therapies. Overall, 37.1% (319/860) of patients received a matched therapy guided by their tumor molecular profile. Excluding alterations associated with standard-of-care therapy, 14.4% (69/478) received matched therapy, with a clinical benefit of 52%. Use of matched therapy was strongly influenced by the level of preexistent clinical evidence that the mutation identified predicts for drug response. Analysis of genes mutated significantly more often in tumors without known actionable mutations nominated STK11 and KEAP1 as possible targetable mitogenic drivers.Significance: An increasing number of therapies that target molecular alterations required for tumor maintenance and progression have demonstrated clinical activity in patients with lung adenocarcinoma. The data reported here suggest that broader, early testing for molecular alterations that have not yet been recognized as standard-of-care predictive biomarkers of drug response could accelerate the development of targeted agents for rare mutational events and could result in improved clinical outcomes. Cancer Discov; 7(6); 596-609. ©2017 AACR.See related commentary by Liu et al., p. 555This article is highlighted in the In This Issue feature, p. 539.
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Affiliation(s)
- Emmet J Jordan
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hyunjae R Kim
- Department of Pathology, Molecular Diagnostics Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Maria E Arcila
- Department of Pathology, Molecular Diagnostics Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - David Barron
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Debyani Chakravarty
- Marie-Josée and Henry R. Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - JianJiong Gao
- Marie-Josée and Henry R. Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Matthew T Chang
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York.,Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Andy Ni
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Ritika Kundra
- Marie-Josée and Henry R. Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Philip Jonsson
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York.,Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Gowtham Jayakumaran
- Department of Pathology, Molecular Diagnostics Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sizhi Paul Gao
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hannah C Johnsen
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Aphrothiti J Hanrahan
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Ahmet Zehir
- Department of Pathology, Molecular Diagnostics Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Natasha Rekhtman
- Department of Pathology, Molecular Diagnostics Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Michelle S Ginsberg
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Bob T Li
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Weill Cornell Medical College, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Helena A Yu
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Weill Cornell Medical College, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Paul K Paik
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Weill Cornell Medical College, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Alexander Drilon
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Weill Cornell Medical College, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Matthew D Hellmann
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Weill Cornell Medical College, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Dalicia N Reales
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Ryma Benayed
- Department of Pathology, Molecular Diagnostics Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Valerie W Rusch
- Department of Surgery, Thoracic Oncology Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Mark G Kris
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Weill Cornell Medical College, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jamie E Chaft
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Weill Cornell Medical College, Memorial Sloan Kettering Cancer Center, New York, New York
| | - José Baselga
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Barry S Taylor
- Marie-Josée and Henry R. Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York.,Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York.,Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nikolaus Schultz
- Marie-Josée and Henry R. Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York.,Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Charles M Rudin
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Weill Cornell Medical College, Memorial Sloan Kettering Cancer Center, New York, New York
| | - David M Hyman
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Michael F Berger
- Department of Pathology, Molecular Diagnostics Service, Memorial Sloan Kettering Cancer Center, New York, New York.,Marie-Josée and Henry R. Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - David B Solit
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Marie-Josée and Henry R. Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York.,Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Marc Ladanyi
- Department of Pathology, Molecular Diagnostics Service, Memorial Sloan Kettering Cancer Center, New York, New York.,Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Gregory J Riely
- Thoracic Oncology Service, Division of Solid Tumor Oncology, Department of Medicine, Weill Cornell Medical College, Memorial Sloan Kettering Cancer Center, New York, New York.
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90
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Wang YJ, Lin JF, Cheng LH, Chang WT, Kao YH, Chang MM, Wang BJ, Cheng HC. Pterostilbene prevents AKT-ERK axis-mediated polymerization of surface fibronectin on suspended lung cancer cells independently of apoptosis and suppresses metastasis. J Hematol Oncol 2017; 10:72. [PMID: 28327179 PMCID: PMC5361845 DOI: 10.1186/s13045-017-0441-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Accepted: 03/13/2017] [Indexed: 01/07/2023] Open
Abstract
Background Polymeric fibronectin (polyFN) assembled on suspended breast cancer cells is required for metastasis. Conceivably, drugs that target such polyFN may fight against cancer metastasis. While stilbene analogs trigger pro-apoptotic effect on attached cancer cells, whether they prevent polyFN assembly and metastasis of suspended cancer cells via an apoptosis-independent manner remains unexplored. Methods We depleted suspended Lewis lung carcinoma (LLC) cells of polyFN by silencing the endogenous FN expression or pterostilbene (PS) to examine whether metastasis of lung cancer cells could thus be suppressed. We investigated whether PS regulates AKT-ERK signaling axis to suppress polyFN assembly in suspended LLC cells independently of apoptosis. We tested the therapeutic effects of orally administered PS against cancer metastasis. Results Both FN-silencing and PS among the three stilbenoids indeed significantly reduced polyFN assembly and lung metastasis of suspended LLC cells in an apoptosis-independent manner. Mechanistically, PS-induced AKT phosphorylation (pAKT) and suppressed ERK phosphorylation (pERK) in suspended LLC cells, whereas pretreatment with a PI3K inhibitor, LY294002, effectively reduced pAKT, rescued pERK, and consequently reversed the PS-suppressed polyFN assembly on LLC cells; these pretreatment effects were then overturned by the ERK inhibitor U0126. Indeed, PS-suppressed lung metastasis was counteracted by LY294002, which was further overruled with U0126. Finally, we found that PS, when orally administered in experimental metastasis assays, both significantly prevented lung colonization and metastasis of LLC cells and reduced the already established tumor growth in the mouse lungs. Conclusions PS suppressed AKT/ERK-regulated polyFN assembly on suspended LLC cells and pulmonary metastasis. PS possesses potency in both preventing and treating lung metastasis of lung cancer cells in apoptosis-independent and apoptosis-dependent manners, respectively. Electronic supplementary material The online version of this article (doi:10.1186/s13045-017-0441-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ying-Jan Wang
- Department of Environmental and Occupational Health, National Cheng Kung University, 1 University Road, 70101, Tainan, Taiwan.,Department of Biomedical Informatics, Asia University, Taichung, Taiwan.,Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jing-Fang Lin
- Department of Environmental and Occupational Health, National Cheng Kung University, 1 University Road, 70101, Tainan, Taiwan
| | - Li-Hsin Cheng
- The Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, 1 University Road, 70101, Tainan, Taiwan
| | - Wen-Tsan Chang
- The Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, 1 University Road, 70101, Tainan, Taiwan.,Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, 1 University Road, 70101, Tainan, Taiwan
| | - Ying-Hsien Kao
- Department of Medical Research, E-Da Hospital, 82445, Kaohsiung, Taiwan
| | - Ming-Min Chang
- Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, 1 University Road, 70101, Tainan, Taiwan
| | - Bour-Jr Wang
- Department of Environmental and Occupational Health, National Cheng Kung University, 1 University Road, 70101, Tainan, Taiwan.,Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, Tainan, Taiwan.,Department of Cosmetic Science and Institute of Cosmetic Science, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | - Hung-Chi Cheng
- The Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, 1 University Road, 70101, Tainan, Taiwan. .,Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, 1 University Road, 70101, Tainan, Taiwan.
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91
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Kim EY, Jung JY, Kim A, Chang YS, Kim SK. ABT-737 Synergizes with Cisplatin Bypassing Aberration of Apoptotic Pathway in Non-small Cell Lung Cancer. Neoplasia 2017; 19:354-363. [PMID: 28319809 PMCID: PMC5358954 DOI: 10.1016/j.neo.2017.02.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 02/10/2017] [Accepted: 02/15/2017] [Indexed: 01/08/2023] Open
Abstract
A subset of non-small cell lung cancer (NSCLC), which does not have a druggable driver mutation, is treated with platinum-based cytotoxic chemotherapy, but it develops resistance triggered by DNA damage responses. Here, we investigated the effect of activation of STAT3 by cisplatin on anti-apoptotic proteins and the effectiveness of a co-treatment with cisplatin and a BH3 mimetic, ABT-737. We analyzed the relationship between cisplatin and STAT3 pathway and effect of ABT-737, when combined with cisplatin in NSCLC cells and K-ras mutant mouse models. The synergism of this combination was evaluated by the Chou-Talalay Combination Index method. In vivo activity was evaluated by micro-CT. In NSCLC cells, there was a time and dose-dependent phosphorylation of SRC-JAK2-STAT3 by cisplatin, followed by increased expression of anti-apoptotic molecules. When the expression of the BCL-2 protein family members was evaluated in clinical samples, BCL-xL was most frequently overexpressed. Dominant negative STAT3 suppressed their expression, suggesting that STAT3 mediates cisplatin mediated overexpression of the anti-apoptotic molecules. ABT-737 displaced BCL-xL from mitochondria and induced oligomerization of BAK. ABT-737 itself showed cytotoxic effects and a combination of ABT-737 with cisplatin showed strong synergistic cytotoxicity. In a murine lung cancer model, co-treatment with ABT-737 and cisplatin induced significant tumor regression. These findings reveal a synergistic cytotoxic and anti-tumor activity of ABT-737 and cisplatin co-treatment in preclinical models, and suggest that clinical trials using this strategy may be beneficial in advanced NSCLC.
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Affiliation(s)
- Eun Young Kim
- Department of Internal Medicine, 3(rd) Floor, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, 03722, Seoul, Rep of Korea
| | - Ji Ye Jung
- Department of Internal Medicine, 3(rd) Floor, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, 03722, Seoul, Rep of Korea
| | - Arum Kim
- Department of Internal Medicine, 8(th) Floor Annex Bldg, Gangnam Severance Hospital, Yonsei University College of Medicine, 211-Eonju-ro, Gangnam-gu, 06273, Seoul, Rep of Korea
| | - Yoon Soo Chang
- Department of Internal Medicine, 8(th) Floor Annex Bldg, Gangnam Severance Hospital, Yonsei University College of Medicine, 211-Eonju-ro, Gangnam-gu, 06273, Seoul, Rep of Korea.
| | - Se Kyu Kim
- Department of Internal Medicine, 3(rd) Floor, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, 03722, Seoul, Rep of Korea
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92
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Dorris K, Liu C, Li D, Hummel TR, Wang X, Perentesis J, Kim MO, Fouladi M. A comparison of safety and efficacy of cytotoxic versus molecularly targeted drugs in pediatric phase I solid tumor oncology trials. Pediatr Blood Cancer 2017; 64. [PMID: 27654490 DOI: 10.1002/pbc.26258] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 07/19/2016] [Accepted: 08/10/2016] [Indexed: 11/07/2022]
Abstract
BACKGROUND Prior reviews of phase I pediatric oncology trials involving primarily cytotoxic agents have reported objective response rates (ORRs) and toxic death rates of 7.9-9.6% and 0.5%, respectively. These data may not reflect safety and efficacy in phase I trials of molecularly targeted (targeted) drugs. METHODS A systematic review of pediatric phase I solid tumor trials published in 1990-2013 was performed. The published reports were evaluated for patient characteristics, toxicity information, and response numbers. RESULTS A total of 143 phase I pediatric clinical trials enrolling 3,896 children involving 53 targeted and 48 cytotoxic drugs were identified. A meta-analysis demonstrated that the ORR is 2.1-fold higher with cytotoxic drugs (0.066 vs. 0.031 per subject; P = 0.007). By contrast, the pooled estimate of the stable disease rate (SDR) is similar for cytotoxic and targeted drugs (0.2 vs. 0.23 per subject; P = 0.27). The pooled estimate of the dose-limiting toxicity rate is 1.8-fold larger with cytotoxic drugs (0.24 vs. 0.13 per subject; P = 0.0003). The hematologic grade 3-4 (G3/4) toxicity rate is 3.6-fold larger with cytotoxic drugs (0.43 vs. 0.12 per treatment course; P = 0.0001); however, the nonhematologic G3/4 toxicities and toxic deaths occur at similar rates for cytotoxic and targeted drugs. CONCLUSIONS In phase I pediatric solid tumor trials, ORRs were significantly higher for cytotoxic versus targeted agents. SDRs were similar in targeted and cytotoxic drug trials. Patients treated with cytotoxic agents were more likely to experience hematologic G3/4 toxicities than those patients receiving targeted drugs.
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Affiliation(s)
- Kathleen Dorris
- Section of Pediatric Hematology, Oncology, Bone Marrow Transplantation, Children's Hospital Colorado, Aurora, Colorado
| | - Chunyan Liu
- Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Dandan Li
- Consumer Credit Risk Management, Fifth Third Bank, Cincinnati, Ohio
| | - Trent R Hummel
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Xia Wang
- Department of Mathematical Sciences, University of Cincinnati, Cincinnati, Ohio
| | - John Perentesis
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Mi-Ok Kim
- Department of Epidemiology and Biostatistics, University of California San Francisco
| | - Maryam Fouladi
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
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93
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Tuberatolide B Suppresses Cancer Progression by Promoting ROS-Mediated Inhibition of STAT3 Signaling. Mar Drugs 2017; 15:md15030055. [PMID: 28245605 PMCID: PMC5367012 DOI: 10.3390/md15030055] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 02/06/2017] [Accepted: 02/17/2017] [Indexed: 02/06/2023] Open
Abstract
Tuberatolide B (TTB, C27H34O4) is a diastereomeric meroterpenoid isolated from the Korean marine algae Sargassum macrocarpum. However, the anticancer effects of TTB remain unknown. In this study, we demonstrate that TTB inhibits tumor growth in breast, lung, colon, prostate, and cervical cancer cells. To examine the mechanism by which TTB suppresses cell growth, we determined the effect of TTB on apoptosis, ROS generation, DNA damage, and signal transduction. TTB induced ROS production in MDA-MB-231, A549, and HCT116 cells. Moreover, TTB enhanced DNA damage by inducing γH2AX foci formation and the phosphorylation of DNA damage-related proteins such as Chk2 and H2AX. Furthermore, TTB selectively inhibited STAT3 activation, which resulted in a reduction in cyclin D1, MMP-9, survivin, VEGF, and IL-6. In addition, TTB-induced ROS generation caused STAT3 inhibition, DNA damage, and apoptotic cell death. Therefore, TTB suppresses cancer progression by promoting ROS-mediated inhibition of STAT3 signaling, suggesting that TTB is useful for the treatment of cancer.
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94
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Hierro C, Azaro A, Argilés G, Elez E, Gómez P, Carles J, Rodon J. Unveiling changes in the landscape of patient populations in cancer early drug development. Oncotarget 2017; 8:14158-14172. [PMID: 27835915 PMCID: PMC5355170 DOI: 10.18632/oncotarget.13258] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 10/26/2016] [Indexed: 01/25/2023] Open
Abstract
The introduction of new Molecularly Targeted Agents (MTA) has changed the landscape in Early Drug Development (EDD) over the last two decades, leading to an improvement in clinical trial design. Previous Phase 1 (Ph1) studies with cytotoxics focused on safety objectives, only recruiting heavily pre-treated cancer patients, have been left behind. In this review, we will illustrate the slow although unstoppable change that has increasingly been observed in those populations candidate to participate in EDD trials with the advent of MTA. As more evidence regarding oncogene addiction becomes available, molecular-biomarker driven selection has been implemented among Molecularly-Selected Population (MSP) studies. New Window-Of-Opportunity (WOO) and Phase 0 (Ph0) studies have been developed in order to assess whether a MTA produces the hypothetical proposed biological effect. The rising need of getting early pharmacokinetics and pharmacodynamics data has led to the conduction of Healthy Volunteer (HV) studies, in part favoured for the particular and different toxicity profile of these MTA. However, several challenges will need to be addressed in order to boost the implementation of these new clinical trial designs in the forthcoming years. Among the problems to overcome, we would highlight a better coordination effort between centers for ensuring adequate patient accrual among small patient populations and a deepening into the ethics implied in enrolling patients in studies with no therapeutic intent. However, these tribulations will be certainly compensated by the possibility of opening a new horizon of treatment for diseases with dismal prognosis.
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Affiliation(s)
- Cinta Hierro
- Department of Medical Oncology, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Analía Azaro
- Department of Medical Oncology, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Guillem Argilés
- Department of Medical Oncology, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Elena Elez
- Department of Medical Oncology, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Patricia Gómez
- Department of Medical Oncology, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Joan Carles
- Department of Medical Oncology, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Jordi Rodon
- Department of Medical Oncology, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology, Barcelona, Spain
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95
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Multi-Chemotherapeutic Schedules Containing the pan-FGFR Inhibitor ARQ 087 are Safe and Show Antitumor Activity in Different Xenograft Models. Transl Oncol 2017; 10:153-157. [PMID: 28161661 PMCID: PMC5293737 DOI: 10.1016/j.tranon.2016.12.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 12/08/2016] [Accepted: 12/08/2016] [Indexed: 12/02/2022] Open
Abstract
ARQ 087 is a multi-tyrosine kinase inhibitor with potent activity against the FGFR receptor family, currently in Phase I clinical studies for the treatment of advanced solid tumors. The compound has a very safe profile and induces tumor regressions in FGFR-driven models. The feasibility of combining ARQ 087 with chemotherapy was investigated in FGFR deregulated human xenografts. Nude mice were transplanted subcutaneously with H1581, and when tumor masses reached 150 mg, were randomized to receive vehicle, ARQ 087, paclitaxel, carboplatin as single agents or in combination. Similar experimental conditions were applied in nude mice bearing SNU16 and MFE296 xenografts, with the inclusion of capecitabine in the former xenograft model. In the different xenograft models, the drugs given as single agents ranged from very active to partially active. The double combinations were more active than the single ones, but the triple combinations were the most active. In particular, the combination of ARQ 087 + paclitaxel + carboplatin in H1581 bearing mice was able to induce tumor regression in all the mice, with 6/8 mice tumor free at day 140 after tumor transplant. Of note, no toxic deaths nor premature stopping or delaying of drug administration were observed. The data herein reported demonstrated the feasibility of using xenografts models for poli-chemotherapeutic trials mimicking the best standard of care in treatment of specific tumor type and that ARQ 087, a new pan-FGFR inhibitor, can be safely combined with standard cytotoxic chemotherapeutic drugs with apparently no sign of cumulative toxicity and an associated increased antitumor effect.
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Abstract
Primary brain tumors, particularly glioblastoma, are associated with significant morbidity and are often recalcitrant to standard therapies. In recent years, brain tumors have been the focus of large-scale genomic sequencing efforts, providing unprecedented insight into the genomic aberrations and cellular signaling mechanisms that drive these cancers. Discoveries from these efforts have translated into novel diagnostic algorithms, biomarkers, and therapeutic strategies in Neuro-Oncology. However, the cellular mechanisms that drive brain tumors are heterogeneous and complex: applying this new knowledge to improve patient outcomes remains a challenge. Efforts to characterize and target these molecular vulnerabilities are evolving.
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Affiliation(s)
- Rebecca A Harrison
- Department of Neuro-Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX
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97
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Aveic S, Pantile M, Seydel A, Esposito MR, Zanon C, Li G, Tonini GP. Combating autophagy is a strategy to increase cytotoxic effects of novel ALK inhibitor entrectinib in neuroblastoma cells. Oncotarget 2016; 7:5646-63. [PMID: 26735175 PMCID: PMC4868711 DOI: 10.18632/oncotarget.6778] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Accepted: 12/22/2015] [Indexed: 12/19/2022] Open
Abstract
Neuroblastoma (NB) is a threatening childhood malignancy. Its prognosis is affected by several morphological, and biological characteristics, including the constitutive expression of ALK tyrosine kinase. In this study we examined the therapeutic potential of a novel ALK inhibitor, entrectinib, in obliterating NB tumor cells. Entrectinib showed the growth-inhibitory effects on NB cells with a 50% inhibitory concentration range of 0.03–5 μM. In the ALK-dependent cells, entrectinib mediated G1-arrest, which was associated with modified expression of multiple cell-cycle regulators. Down-regulation of Ki-67, and attenuated phosphorylation of ERK1/2, and STAT3, correlated with observed antiproliferative capacity of entrectinib. Initial cytostatic activity of entrectinib was followed by concentration-dependent apoptotic cell death, and Caspase-3 activation. However, we delineated a reduced sensitivity of ALK mutated NB cells to entrectinib, and demonstrated strong activation of autophagy in SH-SY5YF1174L NB cell line. Abrogation of autophagy by chloroquine increased significantly the toxicity of entrectinib, as confirmed by enhanced death rate, and PARP protein cleavage in SH-SY5YF1174L cells. In aggregate, our data show that entrectinib inhibits proliferation, and induces G1-arrest, and apoptosis in NB cells. We propose entrectinib for further consideration in treatment of NB, and recommend pharmacological inhibition of autophagy to be explored for a combined therapeutic approach in NB patients that might develop resistance to entrectinib.
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Affiliation(s)
- Sanja Aveic
- Neuroblastoma Laboratory, Pediatric Research Institute, Città della Speranza, Padua, Italy
| | - Marcella Pantile
- Neuroblastoma Laboratory, Pediatric Research Institute, Città della Speranza, Padua, Italy
| | - Anke Seydel
- Neuroblastoma Laboratory, Pediatric Research Institute, Città della Speranza, Padua, Italy
| | - Maria Rosaria Esposito
- Neuroblastoma Laboratory, Pediatric Research Institute, Città della Speranza, Padua, Italy
| | - Carlo Zanon
- Neuroblastoma Laboratory, Pediatric Research Institute, Città della Speranza, Padua, Italy
| | - Gary Li
- Ignyta Inc., San Diego, California, USA
| | - Gian Paolo Tonini
- Neuroblastoma Laboratory, Pediatric Research Institute, Città della Speranza, Padua, Italy
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98
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Mirvetuximab Soravtansine (IMGN853), a Folate Receptor Alpha-Targeting Antibody-Drug Conjugate, Potentiates the Activity of Standard of Care Therapeutics in Ovarian Cancer Models. Neoplasia 2016; 18:775-784. [PMID: 27889646 PMCID: PMC5126132 DOI: 10.1016/j.neo.2016.11.002] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 11/01/2016] [Accepted: 11/01/2016] [Indexed: 11/23/2022] Open
Abstract
Elevated folate receptor alpha (FRα) expression is characteristic of epithelial ovarian cancer (EOC), thus establishing this receptor as a candidate target for the development of novel therapeutics to treat this disease. Mirvetuximab soravtansine (IMGN853) is an antibody-drug conjugate (ADC) that targets FRα for tumor-directed delivery of the maytansinoid DM4, a potent agent that induces mitotic arrest by suppressing microtubule dynamics. Here, combinations of IMGN853 with approved therapeutics were evaluated in preclinical models of EOC. Combinations of IMGN853 with carboplatin or doxorubicin resulted in synergistic antiproliferative effects in the IGROV-1 ovarian cancer cell line in vitro. IMGN853 potentiated the cytotoxic activity of carboplatin via growth arrest and augmented DNA damage; cell cycle perturbations were also observed in cells treated with the IMGN853/doxorubicin combination. These benefits translated into improved antitumor activity in patient-derived xenograft models in vivo in both the platinum-sensitive (IMGN853/carboplatin) and platinum-resistant (IMGN853/pegylated liposomal doxorubicin) settings. IMGN853 co-treatment also improved the in vivo efficacy of bevacizumab in platinum-resistant EOC models, with combination regimens causing significant regressions and complete responses in the majority of tumor-bearing mice. Histological analysis of OV-90 ovarian xenograft tumors revealed that concurrent administration of IMGN853 and bevacizumab caused rapid disruption of tumor microvasculature and extensive necrosis, underscoring the superior bioactivity profile of the combination regimen. Overall, these demonstrations of combinatorial benefit conferred by the addition of the first FRα-targeting ADC to established therapies provide a compelling framework for the potential application of IMGN853 in the treatment of patients with advanced ovarian cancer.
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99
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Deng L, Ng L, Ozawa T, Stella N. Quantitative Analyses of Synergistic Responses between Cannabidiol and DNA-Damaging Agents on the Proliferation and Viability of Glioblastoma and Neural Progenitor Cells in Culture. J Pharmacol Exp Ther 2016; 360:215-224. [PMID: 27821713 DOI: 10.1124/jpet.116.236968] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 11/02/2016] [Indexed: 01/02/2023] Open
Abstract
Evidence suggests that the nonpsychotropic cannabis-derived compound, cannabidiol (CBD), has antineoplastic activity in multiple types of cancers, including glioblastoma multiforme (GBM). DNA-damaging agents remain the main standard of care treatment available for patients diagnosed with GBM. Here we studied the antiproliferative and cell-killing activity of CBD alone and in combination with DNA-damaging agents (temozolomide, carmustine, or cisplatin) in several human GBM cell lines and in mouse primary GBM cells in cultures. This activity was also studied in mouse neural progenitor cells (NPCs) in culture to assess for potential central nervous system toxicity. We found that CBD induced a dose-dependent reduction of both proliferation and viability of all cells with similar potencies, suggesting no preferential activity for cancer cells. Hill plot analysis indicates an allosteric mechanism of action triggered by CBD in all cells. Cotreatment regimens combining CBD and DNA-damaging agents produced synergistic antiproliferating and cell-killing responses over a limited range of concentrations in all human GBM cell lines and mouse GBM cells as well as in mouse NPCs. Remarkably, antagonistic responses occurred at low concentrations in select human GBM cell lines and in mouse GBM cells. Our study suggests limited synergistic activity when combining CBD and DNA-damaging agents in treating GBM cells, along with little to no therapeutic window when considering NPCs.
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Affiliation(s)
- Liting Deng
- Departments of Pharmacology, Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, Washington (L.D., L.N., N.S.); Department of Neurosurgery, Alvord Brain Tumor Center, University of Washington, Seattle, Washington (T.O.); and Division of Human Biology and Solid Tumor Translational Research, Fred Hutchinson Cancer Research Center, Seattle, Washington (T.O.)
| | - Lindsay Ng
- Departments of Pharmacology, Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, Washington (L.D., L.N., N.S.); Department of Neurosurgery, Alvord Brain Tumor Center, University of Washington, Seattle, Washington (T.O.); and Division of Human Biology and Solid Tumor Translational Research, Fred Hutchinson Cancer Research Center, Seattle, Washington (T.O.)
| | - Tatsuya Ozawa
- Departments of Pharmacology, Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, Washington (L.D., L.N., N.S.); Department of Neurosurgery, Alvord Brain Tumor Center, University of Washington, Seattle, Washington (T.O.); and Division of Human Biology and Solid Tumor Translational Research, Fred Hutchinson Cancer Research Center, Seattle, Washington (T.O.)
| | - Nephi Stella
- Departments of Pharmacology, Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, Washington (L.D., L.N., N.S.); Department of Neurosurgery, Alvord Brain Tumor Center, University of Washington, Seattle, Washington (T.O.); and Division of Human Biology and Solid Tumor Translational Research, Fred Hutchinson Cancer Research Center, Seattle, Washington (T.O.)
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Zhang RX, Wong HL, Xue HY, Eoh JY, Wu XY. Nanomedicine of synergistic drug combinations for cancer therapy - Strategies and perspectives. J Control Release 2016; 240:489-503. [PMID: 27287891 PMCID: PMC5064882 DOI: 10.1016/j.jconrel.2016.06.012] [Citation(s) in RCA: 220] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 05/27/2016] [Accepted: 06/06/2016] [Indexed: 12/26/2022]
Abstract
Nanomedicine of synergistic drug combinations has shown increasing significance in cancer therapy due to its promise in providing superior therapeutic benefits to the current drug combination therapy used in clinical practice. In this article, we will examine the rationale, principles, and advantages of applying nanocarriers to improve anticancer drug combination therapy, review the use of nanocarriers for delivery of a variety of combinations of different classes of anticancer agents including small molecule drugs and biologics, and discuss the challenges and future perspectives of the nanocarrier-based combination therapy. The goal of this review is to provide better understanding of this increasingly important new paradigm of cancer treatment and key considerations for rational design of nanomedicine of synergistic drug combinations for cancer therapy.
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Affiliation(s)
- Rui Xue Zhang
- Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College Street, Toronto, Ontario, Canada M5S 2S2
| | - Ho Lun Wong
- Temple University School of Pharmacy, 3304 North Broad Street, Philadelphia, PA 19140, USA
| | - Hui Yi Xue
- Temple University School of Pharmacy, 3304 North Broad Street, Philadelphia, PA 19140, USA
| | - June Young Eoh
- Temple University School of Pharmacy, 3304 North Broad Street, Philadelphia, PA 19140, USA
| | - Xiao Yu Wu
- Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College Street, Toronto, Ontario, Canada M5S 2S2
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