51
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Hsiao SH, Murakami M, Yeh N, Li YQ, Hung TH, Wu YS, Ambudkar SV, Wu CP. The positive inotropic agent DPI-201106 selectively reverses ABCB1-mediated multidrug resistance in cancer cell lines. Cancer Lett 2018; 434:81-90. [PMID: 30031116 DOI: 10.1016/j.canlet.2018.07.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/13/2018] [Accepted: 07/13/2018] [Indexed: 02/07/2023]
Abstract
The overexpression of ABCB1 in cancer cells is a major factor contributing to the development of multidrug resistance (MDR) and treatment failure in cancer patients. Therefore, re-sensitization of MDR cancer cells to anticancer drugs remains an important aspect in chemotherapy. The progress in developing clinically applicable synthetic inhibitors of ABCB1 has been slow, mostly due to complications associated with intrinsic toxicities and unforeseen drug-drug interactions. Here, we explored the drug-repositioning approach for cancer therapy by targeting ABCB1-mediated MDR in human cancer cells. We found that DPI-201106, a positive inotropic agent, selectively inhibits the drug efflux function of ABCB1, and in doing so, re-sensitizes ABCB1-overexpressing MDR cancer cells to conventional anticancer drugs. Furthermore, the ATPase activity of ABCB1 and docking analysis of DPI-201106 in the drug-binding pocket of ABCB1 were determined to confirm the interaction between DPI-201106 and ABCB1 protein. In summary, we revealed an additional action and a potential clinical application of DPI-201106 to reverse ABCB1-mediated MDR in human cancer cells, which may be beneficial for cancer patients who have developed multidrug resistance and no longer respond to conventional chemotherapy, and should be further investigated.
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Affiliation(s)
- Sung-Han Hsiao
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.
| | - Megumi Murakami
- Laboratory of Cell Biology, CCR, NCI, NIH, Bethesda, United States.
| | - Ni Yeh
- Department of Chemistry, Tunghai University, Taichung, Taiwan.
| | - Yan-Qing Li
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.
| | - Tai-Ho Hung
- Department of Chinese Medicine, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Obstetrics and Gynecology, Taipei Chang Gung Memorial Hospital, Taipei, Taiwan.
| | - Yu-Shan Wu
- Department of Chemistry, Tunghai University, Taichung, Taiwan.
| | | | - Chung-Pu Wu
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Neurosurgery, Chang Gung Memorial Hospital, Linkou, Taiwan.
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52
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Human ATP-binding cassette transporters ABCB1 and ABCG2 confer resistance to histone deacetylase 6 inhibitor ricolinostat (ACY-1215) in cancer cell lines. Biochem Pharmacol 2018; 155:316-325. [PMID: 30028995 DOI: 10.1016/j.bcp.2018.07.018] [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] [Received: 05/29/2018] [Accepted: 07/14/2018] [Indexed: 12/17/2022]
Abstract
Ricolinostat is the first orally available, selective inhibitor of histone deacetylase 6 (HDAC6), currently under evaluation in clinical trials in patients with various malignancies. It is likely that the inevitable emergence of resistance to ricolinostat is likely to reduce its clinical effectiveness in cancer patients. In this study, we investigated the potential impact of multidrug resistance-linked ATP-binding cassette (ABC) transporters ABCB1 and ABCG2 on the efficacy of ricolinostat, which may present a major hurdle to its development as an anticancer drug in the future. We demonstrated that the overexpression of ABCB1 or ABCG2 reduces the intracellular accumulation of ricolinostat, resulting in reduced efficacy of ricolinostat to inhibit the activity of HDAC6 in cancer cells. Moreover, the efficacy of ricolinostat can be fully restored by inhibiting the drug efflux function of ABCB1 and ABCG2 in drug-resistant cancer cells. In conclusion, our results provide some insights into the basis for the development of resistance to ricolinostat and suggest that co-administration of ricolinostat with a modulator of ABCB1 or ABCG2 could overcome ricolinostat resistance in human cancer cells, which may be relevant to its use in the clinic.
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53
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Wu CP, Murakami M, Hsiao SH, Liu TC, Yeh N, Li YQ, Hung TH, Wu YS, Ambudkar SV. SIS3, a specific inhibitor of Smad3 reverses ABCB1- and ABCG2-mediated multidrug resistance in cancer cell lines. Cancer Lett 2018; 433:259-272. [PMID: 30026175 DOI: 10.1016/j.canlet.2018.07.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Revised: 06/29/2018] [Accepted: 07/03/2018] [Indexed: 01/05/2023]
Abstract
One of the major challenges in cancer chemotherapy is the development of multidrug resistance phenomenon attributed to the overexpression of ATP-binding cassette (ABC) transporter ABCB1 or ABCG2 in cancer cells. Therefore, re-sensitizing MDR cancer cells to chemotherapy by directly inhibiting the activity of ABC transporters has clinical relevance. Unfortunately, previous attempts of developing clinically applicable synthetic inhibitors have failed, mostly due to problems associated with toxicity and unforeseen drug-drug interactions. An alternative approach is by repositioning drugs with known pharmacological properties as modulators of ABCB1 and ABCG2. In this study, we discovered that the transport function of ABCB1 and ABCG2 is strongly inhibited by SIS3, a specific inhibitor of Smad3. More importantly, SIS3 enhances drug-induced apoptosis and resensitizes ABCB1- and ABCG2-overexpressing cancer cells to chemotherapeutic drugs at non-toxic concentrations. These findings are further supported by ATPase assays and by a docking analysis of SIS3 in the drug-binding pockets of ABCB1 and ABCG2. In summary, we revealed an additional action of SIS3 that re-sensitizes MDR cancer cells and a combination therapy with this drug and other chemotherapeutic agents may be beneficial for patients with MDR tumors.
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Affiliation(s)
- Chung-Pu Wu
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Neurosurgery, Chang Gung Memorial Hospital, Linkou, Taiwan.
| | - Megumi Murakami
- Laboratory of Cell Biology, CCR, NCI, NIH, Bethesda, United States.
| | - Sung-Han Hsiao
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.
| | - Te-Chun Liu
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.
| | - Ni Yeh
- Department of Chemistry, Tunghai University, Taichung, Taiwan.
| | - Yan-Qing Li
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.
| | - Tai-Ho Hung
- Department of Chinese Medicine, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Obstetrics and Gynecology, Taipei Chang Gung Memorial Hospital, Taipei, Taiwan.
| | - Yu-Shan Wu
- Department of Chemistry, Tunghai University, Taichung, Taiwan.
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54
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Yang SM, Martinez NJ, Yasgar A, Danchik C, Johansson C, Wang Y, Baljinnyam B, Wang AQ, Xu X, Shah P, Cheff D, Wang XS, Roth J, Lal-Nag M, Dunford JE, Oppermann U, Vasiliou V, Simeonov A, Jadhav A, Maloney DJ. Discovery of Orally Bioavailable, Quinoline-Based Aldehyde Dehydrogenase 1A1 (ALDH1A1) Inhibitors with Potent Cellular Activity. J Med Chem 2018; 61:4883-4903. [PMID: 29767973 PMCID: PMC6004562 DOI: 10.1021/acs.jmedchem.8b00270] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
![]()
Aldehyde
dehydrogenases (ALDHs) are responsible for the metabolism of aldehydes
(exogenous and endogenous) and possess vital physiological and toxicological
functions in areas such as CNS, inflammation, metabolic disorders,
and cancers. Overexpression of certain ALDHs (e.g., ALDH1A1) is an
important biomarker in cancers and cancer stem cells (CSCs) indicating
the potential need for the identification and development of small
molecule ALDH inhibitors. Herein, a newly designed series of quinoline-based
analogs of ALDH1A1 inhibitors is described. Extensive medicinal chemistry
optimization and biological characterization led to the identification
of analogs with significantly improved enzymatic and cellular ALDH
inhibition. Selected analogs, e.g., 86 (NCT-505) and 91 (NCT-506), demonstrated target engagement in a cellular
thermal shift assay (CETSA), inhibited the formation of 3D spheroid
cultures of OV-90 cancer cells, and potentiated the cytotoxicity of
paclitaxel in SKOV-3-TR, a paclitaxel resistant ovarian cancer cell
line. Lead compounds also exhibit high specificity over other ALDH
isozymes and unrelated dehydrogenases. The in vitro ADME profiles and pharmacokinetic evaluation of selected analogs
are also highlighted.
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Affiliation(s)
- Shyh-Ming Yang
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Natalia J Martinez
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Adam Yasgar
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Carina Danchik
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Catrine Johansson
- Centre for Translational Myeloma Research, Botnar Research Centre, Oxford NIHR BRU , University of Oxford , Oxford OX3 7LD , U.K
| | - Yuhong Wang
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Bolormaa Baljinnyam
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Amy Q Wang
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Xin Xu
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Pranav Shah
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Dorian Cheff
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Xinran S Wang
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Jacob Roth
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Madhu Lal-Nag
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - James E Dunford
- Centre for Translational Myeloma Research, Botnar Research Centre, Oxford NIHR BRU , University of Oxford , Oxford OX3 7LD , U.K
| | - Udo Oppermann
- Centre for Translational Myeloma Research, Botnar Research Centre, Oxford NIHR BRU , University of Oxford , Oxford OX3 7LD , U.K
| | - Vasilis Vasiliou
- Department of Environmental Health Sciences , Yale School of Public Health , 60 College Street , New Haven , Connecticut 06510 , United States
| | - Anton Simeonov
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - Ajit Jadhav
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
| | - David J Maloney
- National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive , Rockville , Maryland 20850 , United States
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55
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Musto P, Cascavilla N, Di Renzo N, Ladogana S, La Sala A, Melillo L, Nobile M, Matera R, Lombardi G, Carotenuto M. Clinical Relevance of Immunocytochemical Detection of Multidrug-Resistance-Associated P-Glycoprotein in Hematologic Malignancies. TUMORI JOURNAL 2018; 76:353-9. [DOI: 10.1177/030089169007600410] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Pellegrino Musto
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Nicola Cascavilla
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Nicola Di Renzo
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Saverio Ladogana
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Antonio La Sala
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Lorella Melillo
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Michele Nobile
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Rosella Matera
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Gina Lombardi
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
| | - Mario Carotenuto
- Divisione di Ematologia, Ospedale Generale Regionale « Casa Sollievo della Sofferenza », S. Giovanni Rotondo, Foggia
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56
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Poetz O, Dieze T, Hammer H, Weiß F, Sommersdorf C, Templin MF, Esdar C, Zimmermann A, Stevanovic S, Bedke J, Stenzl A, Joos TO. Peptide-Based Sandwich Immunoassay for the Quantification of the Membrane Transporter Multidrug Resistance Protein 1. Anal Chem 2018; 90:5788-5794. [DOI: 10.1021/acs.analchem.8b00152] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Oliver Poetz
- NMI Natural and Medical Sciences Institute at the University of Tuebingen, Markwiesenstrasse 55, 72770 Reutlingen, Germany
- SIGNATOPE GmbH Markwiesenstrasse 55, 72770 Reutlingen, Germany
| | - Theresa Dieze
- NMI Natural and Medical Sciences Institute at the University of Tuebingen, Markwiesenstrasse 55, 72770 Reutlingen, Germany
| | - Helen Hammer
- NMI Natural and Medical Sciences Institute at the University of Tuebingen, Markwiesenstrasse 55, 72770 Reutlingen, Germany
- SIGNATOPE GmbH Markwiesenstrasse 55, 72770 Reutlingen, Germany
| | - Frederik Weiß
- NMI Natural and Medical Sciences Institute at the University of Tuebingen, Markwiesenstrasse 55, 72770 Reutlingen, Germany
- SIGNATOPE GmbH Markwiesenstrasse 55, 72770 Reutlingen, Germany
| | - Cornelia Sommersdorf
- NMI Natural and Medical Sciences Institute at the University of Tuebingen, Markwiesenstrasse 55, 72770 Reutlingen, Germany
- SIGNATOPE GmbH Markwiesenstrasse 55, 72770 Reutlingen, Germany
| | - Markus F. Templin
- NMI Natural and Medical Sciences Institute at the University of Tuebingen, Markwiesenstrasse 55, 72770 Reutlingen, Germany
| | - Christina Esdar
- Merck KGaA, Frankfurter Strasse 250, 64293 Darmstadt, Germany
| | | | - Stefan Stevanovic
- Eberhard Karls University, Department of Immunology, 72076 Tübingen, Germany
| | - Jens Bedke
- Eberhard Karls University, Department of Urology, 72076 Tübingen, Germany
| | - Arnulf Stenzl
- Eberhard Karls University, Department of Urology, 72076 Tübingen, Germany
| | - Thomas O. Joos
- NMI Natural and Medical Sciences Institute at the University of Tuebingen, Markwiesenstrasse 55, 72770 Reutlingen, Germany
- SIGNATOPE GmbH Markwiesenstrasse 55, 72770 Reutlingen, Germany
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57
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Expression of ABCG2 Associated with Tumor Response in Metastatic Colorectal Cancer Patients Receiving First-line FOLFOX Therapy – Preliminary Evidence. Int J Biol Markers 2018; 28:182-6. [DOI: 10.5301/jbm.5000004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/01/2013] [Indexed: 01/02/2023]
Abstract
Purpose We retrospectively analyzed ABCG2 expression levels in patients with metastatic colorectal cancer (CRC) to investigate the interaction between ABCG2 expression and the tumor response to oxaliplatin and 5-fluorouracil (FOLFOX). Methods Forty-three patients with CRC with liver metastasis who received first-line FOLFOX treatment at our institution between 2008 and 2010 were enrolled. ABCG2 expression was assessed by immunohistochemistry. Tumor response was determined using the modified Response Evaluation Criteria in Solid Tumors criteria. Results At least 50% tumor shrinkage was observed in 16/43 patients (37.2%), including a complete response in 1 patient. According to the intensity of ABCG2 expression and the percentage of tumor cells expressing ABCG2, 21 tumors displayed high ABCG2 expression. Among these tumors, only 2 (9.5%) exhibited partial responses to FOLFOX; conversely, 63.6% of tumors with low ABCG2 expression (14/22) responded to FOLFOX. Primary and corresponding metastatic samples were available for 15 patients, and 13 of the metastatic tumors had higher ABCG2 expression than the corresponding primary tumors, but only 1 of these tumors responded to FOLFOX (7.7%). Conclusions ABCG2 expression is associated with the tumor response to FOLFOX in patients with metastatic CRC. ABCG2 may be a selective marker for the efficacy of FOLFOX in treating CRC.
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58
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The Placental Barrier: the Gate and the Fate in Drug Distribution. Pharm Res 2018; 35:71. [DOI: 10.1007/s11095-017-2286-0] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 10/17/2017] [Indexed: 12/23/2022]
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59
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Interplay between P-Glycoprotein Expression and Resistance to Endoplasmic Reticulum Stressors. Molecules 2018; 23:molecules23020337. [PMID: 29415493 PMCID: PMC6017601 DOI: 10.3390/molecules23020337] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Revised: 01/30/2018] [Accepted: 02/01/2018] [Indexed: 12/13/2022] Open
Abstract
Multidrug resistance (MDR) is a phenotype of cancer cells with reduced sensitivity to a wide range of unrelated drugs. P-glycoprotein (P-gp)—a drug efflux pump (ABCB1 member of the ABC transporter gene family)—is frequently observed to be a molecular cause of MDR. The drug-efflux activity of P-gp is considered as the underlying mechanism of drug resistance against P-gp substrates and results in failure of cancer chemotherapy. Several pathological impulses such as shortages of oxygen and glucose supply, alterations of calcium storage mechanisms and/or processes of protein N-glycosylation in the endoplasmic reticulum (ER) leads to ER stress (ERS), characterized by elevation of unfolded protein cell content and activation of the unfolded protein response (UPR). UPR is responsible for modification of protein folding pathways, removal of misfolded proteins by ER associated protein degradation (ERAD) and inhibition of proteosynthesis. However, sustained ERS may result in UPR-mediated cell death. Neoplastic cells could escape from the death pathway induced by ERS by switching UPR into pro survival mechanisms instead of apoptosis. Here, we aimed to present state of the art information about consequences of P-gp expression on mechanisms associated with ERS development and regulation of the ERAD system, particularly focused on advances in ERS-associated therapy of drug resistant malignancies.
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60
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Kim Y, Chen J. Molecular structure of human P-glycoprotein in the ATP-bound, outward-facing conformation. Science 2018; 359:915-919. [PMID: 29371429 DOI: 10.1126/science.aar7389] [Citation(s) in RCA: 303] [Impact Index Per Article: 50.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 01/16/2018] [Indexed: 12/28/2022]
Abstract
The multidrug transporter permeability (P)-glycoprotein is an adenosine triphosphate (ATP)-binding cassette exporter responsible for clinical resistance to chemotherapy. P-glycoprotein extrudes toxic molecules and drugs from cells through ATP-powered conformational changes. Despite decades of effort, only the structures of the inward-facing conformation of P-glycoprotein are available. Here we present the structure of human P-glycoprotein in the outward-facing conformation, determined by cryo-electron microscopy at 3.4-angstrom resolution. The two nucleotide-binding domains form a closed dimer occluding two ATP molecules. The drug-binding cavity observed in the inward-facing structures is reorientated toward the extracellular space and compressed to preclude substrate binding. This observation indicates that ATP binding, not hydrolysis, promotes substrate release. The structure evokes a model in which the dynamic nature of P-glycoprotein enables translocation of a large variety of substrates.
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Affiliation(s)
- Youngjin Kim
- Howard Hughes Medical Institute, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
| | - Jue Chen
- Howard Hughes Medical Institute, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA.
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61
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Chen H, Lou R, Chen Y, Chen L, Lu J, Dong Q. Photonic crystal materials and their application in biomedicine. Drug Deliv 2017; 24:775-780. [PMID: 28475387 PMCID: PMC8241077 DOI: 10.1080/10717544.2017.1321059] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 04/14/2017] [Accepted: 04/17/2017] [Indexed: 01/31/2023] Open
Abstract
Photonic crystal (PC) materials exhibit unique structural colors that originate from their intrinsic photonic band gap. Because of their highly ordered structure and distinct optical characteristics, PC-based biomaterials have advantages in the multiplex detection, biomolecular screening and real-time monitoring of biomolecules. In addition, PCs provide good platforms for drug loading and biomolecule modification, which could be applied to biosensors and biological carriers. A number of methods are now available to fabricate PC materials with variable structure colors, which could be applied in biomedicine. Emphasis is given to the description of various applications of PC materials in biomedicine, including drug delivery, biodetection and tumor screening. We believe that this article will promote greater communication among researchers in the fields of chemistry, material science, biology, medicine and pharmacy.
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Affiliation(s)
| | | | - Yanxiao Chen
- Center of Evidence Based Medicine, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang 322100, China
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62
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Wu CP, Hsiao SH, Murakami M, Lu MJ, Li YQ, Hsieh CH, Ambudkar SV, Wu YS. Tyrphostin RG14620 selectively reverses ABCG2-mediated multidrug resistance in cancer cell lines. Cancer Lett 2017; 409:56-65. [PMID: 28893612 DOI: 10.1016/j.canlet.2017.08.035] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 08/25/2017] [Accepted: 08/28/2017] [Indexed: 12/25/2022]
Abstract
The multidrug resistance (MDR) phenotype associated with the overexpression of ATP-binding cassette (ABC) drug transporters ABCB1, ABCC1 and ABCG2 is a major obstacle in cancer chemotherapy. Numerous epidermal growth factor receptor (EGFR) inhibitors have previously been shown capable of reversing MDR in ABCG2-overexpressing cancer cells. However, most of them are not transporter-specific due to the substantial overlapping substrate specificity among the transporters. In this study, we investigated the interaction between ABCG2 and tyrphostin RG14620, an EGFR inhibitor of the tyrphostin family, in multidrug-resistant cancer cell lines. We found that at nontoxic concentrations, tyrphostin RG14620 enhances drug-induced apoptosis and restores chemosensitivity to ABCG2-overexpressing multidrug-resistant cancer cells. More importantly, tyrphostin RG14620 is selective to ABCG2 relative to ABCB1 and ABCC1. Our findings were further supported by biochemical assays demonstrating that tyrphostin RG14620 stimulates ATP hydrolysis and inhibits photoaffinity labeling of ABCG2 with IAAP, and by a docking analysis of tyrphostin RG14620 in the drug-binding pocket of this transporter. Taken together, our findings indicate that tyrphostin RG14620 is a potent and selective modulator of ABCG2 that may be useful to overcome chemoresistance in patients with drug-resistant tumors.
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Affiliation(s)
- Chung-Pu Wu
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Molecular Medicine Research Center, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Neurosurgery, Chang Gung Memorial Hospital, Tao-Yuan, Taiwan.
| | - Sung-Han Hsiao
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Megumi Murakami
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, United States
| | - Ming-Jie Lu
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Yan-Qing Li
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Chia-Hung Hsieh
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan; Department of Biomedical Informatics, Asia University, Taichung, Taiwan
| | - Suresh V Ambudkar
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, United States
| | - Yu-Shan Wu
- Department of Chemistry, Tunghai University, Taichung, Taiwan.
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63
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Syed SB, Arya H, Fu IH, Yeh TK, Periyasamy L, Hsieh HP, Coumar MS. Targeting P-glycoprotein: Investigation of piperine analogs for overcoming drug resistance in cancer. Sci Rep 2017; 7:7972. [PMID: 28801675 PMCID: PMC5554262 DOI: 10.1038/s41598-017-08062-2] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Accepted: 07/04/2017] [Indexed: 01/08/2023] Open
Abstract
P-glycoprotein (P-gp) is a drug transporter that effluxes chemotherapeutic drugs and is implicated in the development of resistance of cancer cells to chemotherapeutic drugs. To date, no drug has been approved to inhibit P-gp and restore chemotherapy efficacy. Moreover, majority of the reported inhibitors have high molecular weight and complex structures, making it difficult to understand the basic structural requirement for P-gp inhibition. In this study, two structurally simple, low molecular weight piperine analogs Pip1 and Pip2 were designed and found to better interact with P-gp than piperine in silico. A one step, acid-amine coupling reaction between piperic acid and 6,7-dimethoxytetrahydroisoquinoline or 2-(3,4-dimethoxyphenyl)ethylamine afforded Pip1 and Pip2, respectively. In vitro testing in drug resistant P-gp overexpressing KB (cervical) and SW480 (colon) cancer cells showed that both analogs, when co-administered with vincristine, colchicine or paclitaxel were able to reverse the resistance. Moreover, accumulation of P-gp substrate (rhodamine 123) in the resistant cells, a result of alteration of the P-gp efflux, was also observed. These investigations suggest that the natural product analog - Pip1 ((2E,4E)-5-(benzo[d][1,3]dioxol-5-yl)-1-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1 H)-yl)penta-2,4-dien-1-one) - is superior to piperine and could inhibit P-gp function. Further studies are required to explore the full potential of Pip1 in treating drug resistant cancer.
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Affiliation(s)
- Safiulla Basha Syed
- Centre for Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Puducherry, 605014, India
- DBT-Interdisciplinary Program in Life Sciences, Pondicherry University, Kalapet, Puducherry, 605014, India
| | - Hemant Arya
- Centre for Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Puducherry, 605014, India
| | - I-Hsuan Fu
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County, 350, Taiwan, ROC
| | - Teng-Kuang Yeh
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County, 350, Taiwan, ROC
| | - Latha Periyasamy
- Department of Biochemistry & Molecular Biology, School of Life Sciences, Pondicherry University, Kalapet, Puducherry, 605014, India
| | - Hsing-Pang Hsieh
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County, 350, Taiwan, ROC.
- Department of Chemistry, National Tsing Hua University, Hsinchu, 350, Taiwan, ROC.
| | - Mohane Selvaraj Coumar
- Centre for Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Puducherry, 605014, India.
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Wu CP, Hsiao SH, Murakami M, Lu YJ, Li YQ, Huang YH, Hung TH, Ambudkar SV, Wu YS. Alpha-Mangostin Reverses Multidrug Resistance by Attenuating the Function of the Multidrug Resistance-Linked ABCG2 Transporter. Mol Pharm 2017. [PMID: 28641010 DOI: 10.1021/acs.molpharmaceut.7b00334] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The ATP-binding cassette (ABC) drug transporter ABCG2 can actively efflux a wide variety of chemotherapeutic agents out of cancer cells and subsequently reduce the intracellular accumulation of these drugs. Therefore, the overexpression of ABCG2 often contributes to the development of multidrug resistance (MDR) in cancer cells, which is one of the major obstacles to successful cancer chemotherapy. Moreover, ABCG2 is highly expressed in various tissues including the intestine and blood-brain barrier (BBB), limiting the absorption and bioavailability of many therapeutic agents. For decades, the task of developing a highly effective synthetic inhibitor of ABCG2 has been hindered mostly by the intrinsic toxicity, the lack of specificity, and complex pharmacokinetics. Alternatively, considering the wide range of diversity and relatively nontoxic nature of natural products, developing potential modulators of ABCG2 from natural sources is particularly valuable. α-Mangostin is a natural xanthone derived from the pericarps of mangosteen (Garcinia mangostana L.) with various pharmacological purposes, including suppressing angiogenesis and inducing cancer cell growth arrest. In this study, we demonstrated that at nontoxic concentrations, α-mangostin effectively and selectively inhibits ABCG2-mediated drug transport and reverses MDR in ABCG2-overexpressing MDR cancer cells. Direct interactions between α-mangostin and the ABCG2 drug-binding site(s) were confirmed by stimulation of ATPase activity and by inhibition of photolabeling of the substrate-binding site(s) of ABCG2 with [125I]iodoarylazidoprazosin. In summary, our findings show that α-mangostin has great potential to be further developed into a promising modulator of ABCG2 for reversing MDR and for its use in combination therapy for patients with MDR tumors.
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Affiliation(s)
- Chung-Pu Wu
- Department of Neurosurgery, Chang Gung Memorial Hospital , Tao-Yuan 333, Taiwan
| | | | - Megumi Murakami
- Laboratory of Cell Biology, CCR, NCI, NIH , Bethesda, Maryland 20850, United States
| | - Yu-Jen Lu
- Department of Neurosurgery, Chang Gung Memorial Hospital , Tao-Yuan 333, Taiwan
| | | | - Yang-Hui Huang
- Department of Neurosurgery, Chang Gung Memorial Hospital , Tao-Yuan 333, Taiwan
| | - Tai-Ho Hung
- Department of Obstetrics and Gynecology, Taipei Chang Gung Memorial Hospital , Taipei 105, Taiwan
| | - Suresh V Ambudkar
- Laboratory of Cell Biology, CCR, NCI, NIH , Bethesda, Maryland 20850, United States
| | - Yu-Shan Wu
- Department of Chemistry, Tunghai University , Taichung 407, Taiwan
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65
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Wu CP, Murakami M, Hsiao SH, Chou AW, Li YQ, Huang YH, Hung TH, Ambudkar SV. Overexpression of ATP-Binding Cassette Subfamily G Member 2 Confers Resistance to Phosphatidylinositol 3-Kinase Inhibitor PF-4989216 in Cancer Cells. Mol Pharm 2017; 14:2368-2377. [PMID: 28597653 DOI: 10.1021/acs.molpharmaceut.7b00277] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Deregulated activation of phosphoinositide 3-kinase (PI3K)/Akt/mammalian target of rapamycin (mTOR) pathway is frequently found in human cancers, which plays a key role in promoting cancer proliferation and resistance to anticancer therapies. Therefore, developing inhibitors targeting key components of the PI3K/Akt/mTOR signaling pathway has great clinical significance. PF-4989216 is a novel, orally available small-molecule drug that was developed to selectively inhibit the PI3K/Akt/mTOR signaling pathway and subsequent cancer cell proliferation. PF-4989216 exhibited potent and selective inhibition against PI3K kinase activity in preclinical small-cell lung cancer (SCLC) models, and was especially effective against the proliferation of SCLCs harboring PIK3CA mutation. Unfortunately, in addition to innate resistance mechanisms, drug extrusion by the efflux pumps may also contribute to the development of acquired resistance to PI3K inhibitors in cancer cells. The overexpression of ATP-binding cassette (ABC) drug transporters ABCB1 and ABCG2 is one of the most common mechanisms for reducing intracellular drug concentration and developing multidrug resistance, which remains a substantial challenge to the effective treatment of cancer. In this study, we report the discovery of ABCG2 overexpression as a mechanism of resistance to PI3K inhibitor PF-4989216 in human cancer cells. We demonstrated that the inhibition of Akt and downstream S6RP phosphorylation by PF-4989216 were significantly reduced in ABCG2-overexpressing human cancer cells. Moreover, overexpression of ABCG2 in various cancer cell lines confers significant resistance to PF-4989216, which can be reversed by an inhibitor or competitive substrate of ABCG2, indicating that ABCG2-mediated transport alone can sufficiently reduce the intracellular concentration of PF-4989216.
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Affiliation(s)
- Chung-Pu Wu
- Department of Neurosurgery, Chang Gung Memorial Hospital , Tao-Yuan 105, Taiwan
| | - Megumi Murakami
- Laboratory of Cell Biology, CCR, NCI, NIH , Bethesda, Maryland 20892, United States
| | | | | | - Yan-Qing Li
- Department of Neurosurgery, Chang Gung Memorial Hospital , Tao-Yuan 105, Taiwan
| | | | - Tai-Ho Hung
- Department of Obstetrics and Gynecology, Taipei Chang Gung Memorial Hospital , Taipei 105, Taiwan
| | - Suresh V Ambudkar
- Laboratory of Cell Biology, CCR, NCI, NIH , Bethesda, Maryland 20892, United States
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66
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Genovese I, Ilari A, Assaraf YG, Fazi F, Colotti G. Not only P-glycoprotein: Amplification of the ABCB1- containing chromosome region 7q21 confers multidrug resistance upon cancer cells by coordinated overexpression of an assortment of resistance-related proteins. Drug Resist Updat 2017; 32:23-46. [DOI: 10.1016/j.drup.2017.10.003] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 10/01/2017] [Accepted: 10/11/2017] [Indexed: 02/07/2023]
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67
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Palko-Labuz A, Sroda-Pomianek K, Uryga A, Kostrzewa-Suslow E, Michalak K. Anticancer activity of baicalein and luteolin studied in colorectal adenocarcinoma LoVo cells and in drug-resistant LoVo/Dx cells. Biomed Pharmacother 2017; 88:232-241. [DOI: 10.1016/j.biopha.2017.01.053] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 01/09/2017] [Accepted: 01/09/2017] [Indexed: 01/01/2023] Open
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68
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The "pushmi-pullyu" of resistance to chloroquine in malaria. Essays Biochem 2017; 61:167-175. [PMID: 28258239 DOI: 10.1042/ebc20160060] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 12/27/2016] [Accepted: 01/03/2017] [Indexed: 11/17/2022]
Abstract
Malarial infection continues to impart devastating health problems in the developing world. Treatment of malaria has involved chemotherapy since 168 BC, with the most prevalent and successful forms using plant alkaloids. Perhaps the greatest treatment success against malaria was by chloroquine, a synthetic derivative of the quinines found in the Cinchona tree bark. Chloroquine is able to kill parasites by interfering with haem metabolism in the parasite's digestive vacuole. The widespread use of chloroquine predictably resulted in the development of drug-resistant malaria and the most highly implicated resistance mediators are the transporter proteins P-glycoprotein (P-gp) homologue 1 (P-gh1) and Plasmodium falciparum chloroquine-resistance transporter (PfCRT), which reside on the parasite's digestive vacuole. The presence of PfCRT and P-gh1 on the vacuole membrane is analogous to the two-headed fictional creature known as the "Pushmi-Pullyu". P-gh1 (Pushmi) increases influx of chloroquine into the vacuole, while PfCRT (Pullmi) causes efflux of chloroquine from the vacuole. This review describes how drug-resistant malarial parasites co-ordinate chloroquine distribution through adaptive mutations to promote their survival in the presence of this cytotoxic drug.
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69
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Efferth T, Volm M. Multiple resistance to carcinogens and xenobiotics: P-glycoproteins as universal detoxifiers. Arch Toxicol 2017; 91:2515-2538. [DOI: 10.1007/s00204-017-1938-5] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 01/12/2017] [Indexed: 01/08/2023]
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70
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Muthusamy G, Balupillai A, Ramasamy K, Shanmugam M, Gunaseelan S, Mary B, Prasad NR. Ferulic acid reverses ABCB1-mediated paclitaxel resistance in MDR cell lines. Eur J Pharmacol 2016; 786:194-203. [DOI: 10.1016/j.ejphar.2016.05.023] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 05/18/2016] [Accepted: 05/19/2016] [Indexed: 01/01/2023]
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71
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Hsiao SH, Lu YJ, Yang CC, Tuo WC, Li YQ, Huang YH, Hsieh CH, Hung TH, Wu CP. Hernandezine, a Bisbenzylisoquinoline Alkaloid with Selective Inhibitory Activity against Multidrug-Resistance-Linked ATP-Binding Cassette Drug Transporter ABCB1. JOURNAL OF NATURAL PRODUCTS 2016; 79:2135-2142. [PMID: 27504669 DOI: 10.1021/acs.jnatprod.6b00597] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The overexpression of ATP-binding cassette (ABC) drug transporter ABCB1 (P-glycoprotein, MDR1) is the most studied mechanism of multidrug resistance (MDR), which remains a major obstacle in clinical cancer chemotherapy. Consequently, resensitizing MDR cancer cells by inhibiting the efflux function of ABCB1 has been considered as a potential strategy to overcome ABCB1-mediated MDR in cancer patients. However, the task of developing a suitable modulator of ABCB1 has been hindered mostly by the lack of selectivity and high intrinsic toxicity of candidate compounds. Considering the wide range of diversity and relatively nontoxic nature of natural products, developing a potential modulator of ABCB1 from natural sources is particularly valuable. Through screening of a large collection of purified bioactive natural products, hernandezine was identified as a potent and selective reversing agent for ABCB1-mediated MDR in cancer cells. Experimental data demonstrated that the bisbenzylisoquinoline alkaloid hernandezine is selective for ABCB1, effectively inhibits the transport function of ABCB1, and enhances drug-induced apoptosis in cancer cells. More importantly, hernandezine significantly resensitizes ABCB1-overexpressing cancer cells to multiple chemotherapeutic drugs at nontoxic, nanomolar concentrations. Collectively, these findings reveal that hernandezine has great potential to be further developed into a novel reversal agent for combination therapy in MDR cancer patients.
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Affiliation(s)
| | - Yu-Jen Lu
- Department of Neurosurgery, Chang Gung Memorial Hospital , Tao-Yuan, Taiwan
| | | | | | | | | | | | - Tai-Ho Hung
- Department of Obstetrics and Gynecology, Taipei Chang Gung Memorial Hospital , Taipei, Taiwan
| | - Chung-Pu Wu
- Department of Neurosurgery, Chang Gung Memorial Hospital , Tao-Yuan, Taiwan
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72
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Vaidyanathan A, Sawers L, Gannon AL, Chakravarty P, Scott AL, Bray SE, Ferguson MJ, Smith G. ABCB1 (MDR1) induction defines a common resistance mechanism in paclitaxel- and olaparib-resistant ovarian cancer cells. Br J Cancer 2016; 115:431-41. [PMID: 27415012 PMCID: PMC4985349 DOI: 10.1038/bjc.2016.203] [Citation(s) in RCA: 217] [Impact Index Per Article: 27.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 05/26/2016] [Accepted: 06/02/2016] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Clinical response to chemotherapy for ovarian cancer is frequently compromised by the development of drug-resistant disease. The underlying molecular mechanisms and implications for prescription of routinely prescribed chemotherapy drugs are poorly understood. METHODS We created novel A2780-derived ovarian cancer cell lines resistant to paclitaxel and olaparib following continuous incremental drug selection. MTT assays were used to assess chemosensitivity to paclitaxel and olaparib in drug-sensitive and drug-resistant cells±the ABCB1 inhibitors verapamil and elacridar and cross-resistance to cisplatin, carboplatin, doxorubicin, rucaparib, veliparib and AZD2461. ABCB1 expression was assessed by qRT-PCR, copy number, western blotting and immunohistochemical analysis and ABCB1 activity assessed by the Vybrant and P-glycoprotein-Glo assays. RESULTS Paclitaxel-resistant cells were cross-resistant to olaparib, doxorubicin and rucaparib but not to veliparib or AZD2461. Resistance correlated with increased ABCB1 expression and was reversible following treatment with the ABCB1 inhibitors verapamil and elacridar. Active efflux of paclitaxel, olaparib, doxorubicin and rucaparib was confirmed in drug-resistant cells and in ABCB1-expressing bacterial membranes. CONCLUSIONS We describe a common ABCB1-mediated mechanism of paclitaxel and olaparib resistance in ovarian cancer cells. Optimal choice of PARP inhibitor may therefore limit the progression of drug-resistant disease, while routine prescription of first-line paclitaxel may significantly limit subsequent chemotherapy options in ovarian cancer patients.
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Affiliation(s)
- Aparajitha Vaidyanathan
- Division of Cancer Research, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - Lynne Sawers
- Division of Cancer Research, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - Anne-Louise Gannon
- Division of Cancer Research, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - Probir Chakravarty
- Bioinformatics and Biostatistics Service, Cancer Research UK, 44 Lincolns Inn Fields, London WC2A 3PX, UK
| | - Alison L Scott
- Division of Cancer Research, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - Susan E Bray
- Tayside Tissue Bank, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | | | - Gillian Smith
- Division of Cancer Research, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
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73
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Vaidyanathan A, Sawers L, Gannon AL, Chakravarty P, Scott AL, Bray SE, Ferguson MJ, Smith G. ABCB1 (MDR1) induction defines a common resistance mechanism in paclitaxel- and olaparib-resistant ovarian cancer cells. Br J Cancer 2016. [PMID: 27415012 DOI: 10.1038/bjc.2016.203] [] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Clinical response to chemotherapy for ovarian cancer is frequently compromised by the development of drug-resistant disease. The underlying molecular mechanisms and implications for prescription of routinely prescribed chemotherapy drugs are poorly understood. METHODS We created novel A2780-derived ovarian cancer cell lines resistant to paclitaxel and olaparib following continuous incremental drug selection. MTT assays were used to assess chemosensitivity to paclitaxel and olaparib in drug-sensitive and drug-resistant cells±the ABCB1 inhibitors verapamil and elacridar and cross-resistance to cisplatin, carboplatin, doxorubicin, rucaparib, veliparib and AZD2461. ABCB1 expression was assessed by qRT-PCR, copy number, western blotting and immunohistochemical analysis and ABCB1 activity assessed by the Vybrant and P-glycoprotein-Glo assays. RESULTS Paclitaxel-resistant cells were cross-resistant to olaparib, doxorubicin and rucaparib but not to veliparib or AZD2461. Resistance correlated with increased ABCB1 expression and was reversible following treatment with the ABCB1 inhibitors verapamil and elacridar. Active efflux of paclitaxel, olaparib, doxorubicin and rucaparib was confirmed in drug-resistant cells and in ABCB1-expressing bacterial membranes. CONCLUSIONS We describe a common ABCB1-mediated mechanism of paclitaxel and olaparib resistance in ovarian cancer cells. Optimal choice of PARP inhibitor may therefore limit the progression of drug-resistant disease, while routine prescription of first-line paclitaxel may significantly limit subsequent chemotherapy options in ovarian cancer patients.
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Affiliation(s)
- Aparajitha Vaidyanathan
- Division of Cancer Research, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - Lynne Sawers
- Division of Cancer Research, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - Anne-Louise Gannon
- Division of Cancer Research, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - Probir Chakravarty
- Bioinformatics and Biostatistics Service, Cancer Research UK, 44 Lincolns Inn Fields, London WC2A 3PX, UK
| | - Alison L Scott
- Division of Cancer Research, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | - Susan E Bray
- Tayside Tissue Bank, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
| | | | - Gillian Smith
- Division of Cancer Research, University of Dundee, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK
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74
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Zhang Y, Sriraman SK, Kenny HA, Luther E, Torchilin V, Lengyel E. Reversal of Chemoresistance in Ovarian Cancer by Co-Delivery of a P-Glycoprotein Inhibitor and Paclitaxel in a Liposomal Platform. Mol Cancer Ther 2016; 15:2282-2293. [PMID: 27466355 DOI: 10.1158/1535-7163.mct-15-0986] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 07/13/2016] [Indexed: 01/23/2023]
Abstract
The overexpression of permeability-glycoprotein (P-gp), an ABC transporter involved in the cellular exclusion of chemotherapeutic drugs, is a major factor in paclitaxel-resistant ovarian cancer. However, in clinical trials, co-administration of P-gp inhibitors and anticancer drugs has not resulted in the efficient reversal of drug resistance. To improve administration, we encapsulated the third-generation P-gp inhibitor tariquidar (XR-9576, XR), alone or in combination with paclitaxel (PCT) in liposomes (LP). After optimization, the liposomes demonstrated favorable physicochemical properties and the ability to reverse chemoresistance in experiments using chemosensitive/chemoresistant ovarian cancer cell line pairs. Analyzing publicly available datasets, we found that overexpression of P-gp in ovarian cancer is associated with a shorter progression-free and overall survival. In vitro, LP(XR) significantly increased the cellular retention of rhodamine 123, a P-gp substrate. LP(XR,PCT) synergistically inhibited cell viability, blocked proliferation, and caused G2-M arrest in paclitaxel-resistant SKOV3-TR and HeyA8-MDR cell lines overexpressing P-gp. Holographic imaging cytometry revealed that LP(XR,PCT) treatment of SKOV3-TR cells induced almost complete mitotic arrest, whereas laser scanning cytometry showed that the treatment induced apoptosis. In proof-of-concept preclinical studies, LP(XR,PCT), when compared with LP(PCT), significantly reduced tumor weight (43.2% vs. 16.9%, P = 0.0007) and number of metastases (44.4% vs. 2.8%, P = 0.012) in mice bearing orthotopic HeyA8-MDR ovarian tumors. In the xenografts, LP(XR,PCT) efficiently induced apoptosis and impaired proliferation. Our findings suggest that co-delivery of a P-gp inhibitor and paclitaxel using a liposomal platform can sensitize paclitaxel-resistant ovarian cancer cells to paclitaxel. LP(XR,PCT) should be considered for clinical testing in patients with P-gp-overexpressing tumors. Mol Cancer Ther; 15(10); 2282-93. ©2016 AACR.
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Affiliation(s)
- Yilin Zhang
- Department of Obstetrics and Gynecology/Section of Gynecologic Oncology, University of Chicago, Chicago, Illinois
| | - Shravan Kumar Sriraman
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, Massachusetts
| | - Hilary A Kenny
- Department of Obstetrics and Gynecology/Section of Gynecologic Oncology, University of Chicago, Chicago, Illinois
| | - Ed Luther
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, Massachusetts
| | - Vladimir Torchilin
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, Massachusetts
| | - Ernst Lengyel
- Department of Obstetrics and Gynecology/Section of Gynecologic Oncology, University of Chicago, Chicago, Illinois.
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75
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Kostakoglu L, Goldsmith SJ. Imaging Multidrug Resistance in Hematological Malignancies. Hematology 2016; 6:111-24. [DOI: 10.1080/10245332.2001.11746561] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Lale Kostakoglu
- Department of Radiology, Division of Nuclear Medicine, The New York Presbyterian Hospital, Weill Cornell Medical Center, 525 East 68th Street, Starr: 221, New York, NY 10021, USA
| | - Stanley J. Goldsmith
- Department of Radiology, Division of Nuclear Medicine, The New York Presbyterian Hospital, Weill Cornell Medical Center, 525 East 68th Street, Starr: 221, New York, NY 10021, USA
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76
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Nieskens TTG, Wilmer MJ. Kidney-on-a-chip technology for renal proximal tubule tissue reconstruction. Eur J Pharmacol 2016; 790:46-56. [PMID: 27401035 DOI: 10.1016/j.ejphar.2016.07.018] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 07/01/2016] [Accepted: 07/08/2016] [Indexed: 12/11/2022]
Abstract
The renal proximal tubule epithelium is responsible for active secretion of endogenous and exogenous waste products from the body and simultaneous reabsorption of vital compounds from the glomerular filtrate. The complexity of this transport machinery makes investigation of processes such as tubular drug secretion a continuous challenge for researchers. Currently available renal cell culture models often lack sufficient physiological relevance and reliability. Introducing complex biological culture systems in a 3D microfluidic design improves the physiological relevance of in vitro renal proximal tubule epithelium models. Organ-on-a-chip technology provides a promising alternative, as it allows the reconstruction of a renal tubule structure. These microfluidic systems mimic the in vivo microenvironment including multi-compartmentalization and exposure to fluid shear stress. Increasing data supports that fluid shear stress impacts the phenotype and functionality of proximal tubule cultures, for which we provide an extensive background. In this review, we discuss recent developments of kidney-on-a-chip platforms with current and future applications. The improved proximal tubule functionality using 3D microfluidic systems is placed in perspective of investigating cellular signalling that can elucidate mechanistic aberrations involved in drug-induced kidney toxicity.
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Affiliation(s)
- Tom T G Nieskens
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Science, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Martijn J Wilmer
- Department of Pharmacology and Toxicology, Radboud Institute for Molecular Life Science, Radboud University Medical Center, Nijmegen, The Netherlands.
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77
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Hsiao SH, Lu YJ, Li YQ, Huang YH, Hsieh CH, Wu CP. Osimertinib (AZD9291) Attenuates the Function of Multidrug Resistance-Linked ATP-Binding Cassette Transporter ABCB1 in Vitro. Mol Pharm 2016; 13:2117-25. [PMID: 27169328 DOI: 10.1021/acs.molpharmaceut.6b00249] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The effectiveness of cancer chemotherapy is often circumvented by multidrug resistance (MDR) caused by the overexpression of ATP-binding cassette (ABC) drug transporter ABCB1 (MDR1, P-glycoprotein). Several epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) have been shown previously capable of modulating the function of ABCB1 and reversing ABCB1-mediated MDR in human cancer cells. Furthermore, some TKIs are transported by ABCB1, which results in low oral bioavailability, reduced distribution, and the development of acquired resistance to these TKIs. In this study, we investigated the interaction between ABCB1 and osimertinib, a novel selective, irreversible third-generation EGFR TKI that has recently been approved by the U.S. Food and Drug Administration. We also evaluated the potential impact of ABCB1 on the efficacy of osimertinib in cancer cells, which can present a therapeutic challenge to clinicians in the future. We revealed that although osimertinib stimulates the ATPase activity of ABCB1, overexpression of ABCB1 does not confer resistance to osimertinib. Our results suggest that it is unlikely that the overexpression of ABCB1 can be a major contributor to the development of osimertinib resistance in cancer patients. More significantly, we revealed an additional action of osimertinib that directly inhibits the function of ABCB1 without affecting the expression level of ABCB1, enhances drug-induced apoptosis, and reverses the MDR phenotype in ABCB1-overexpressing cancer cells. Considering that osimertinib is a clinically approved third-generation EGFR TKI, our findings suggest that a combination therapy with osimertinib and conventional anticancer drugs may be beneficial to patients with MDR tumors.
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Affiliation(s)
- Sung-Han Hsiao
- Graduate Institute of Biomedical Sciences, ‡Department of Neurosurgery, Chang Gung Memorial Hospital, §Department of Physiology and Pharmacology, and ⊥Molecular Medicine Research Center, College of Medicine, Chang Gung University , Tao-Yuan 33302, Taiwan.,Graduate Institute of Basic Medical Science and ∥Department of Medical Research, China Medical University Hospital , Taichung 40402, Taiwan
| | - Yu-Jen Lu
- Graduate Institute of Biomedical Sciences, ‡Department of Neurosurgery, Chang Gung Memorial Hospital, §Department of Physiology and Pharmacology, and ⊥Molecular Medicine Research Center, College of Medicine, Chang Gung University , Tao-Yuan 33302, Taiwan.,Graduate Institute of Basic Medical Science and ∥Department of Medical Research, China Medical University Hospital , Taichung 40402, Taiwan
| | - Yan-Qing Li
- Graduate Institute of Biomedical Sciences, ‡Department of Neurosurgery, Chang Gung Memorial Hospital, §Department of Physiology and Pharmacology, and ⊥Molecular Medicine Research Center, College of Medicine, Chang Gung University , Tao-Yuan 33302, Taiwan.,Graduate Institute of Basic Medical Science and ∥Department of Medical Research, China Medical University Hospital , Taichung 40402, Taiwan
| | - Yang-Hui Huang
- Graduate Institute of Biomedical Sciences, ‡Department of Neurosurgery, Chang Gung Memorial Hospital, §Department of Physiology and Pharmacology, and ⊥Molecular Medicine Research Center, College of Medicine, Chang Gung University , Tao-Yuan 33302, Taiwan.,Graduate Institute of Basic Medical Science and ∥Department of Medical Research, China Medical University Hospital , Taichung 40402, Taiwan
| | - Chia-Hung Hsieh
- Graduate Institute of Biomedical Sciences, ‡Department of Neurosurgery, Chang Gung Memorial Hospital, §Department of Physiology and Pharmacology, and ⊥Molecular Medicine Research Center, College of Medicine, Chang Gung University , Tao-Yuan 33302, Taiwan.,Graduate Institute of Basic Medical Science and ∥Department of Medical Research, China Medical University Hospital , Taichung 40402, Taiwan
| | - Chung-Pu Wu
- Graduate Institute of Biomedical Sciences, ‡Department of Neurosurgery, Chang Gung Memorial Hospital, §Department of Physiology and Pharmacology, and ⊥Molecular Medicine Research Center, College of Medicine, Chang Gung University , Tao-Yuan 33302, Taiwan.,Graduate Institute of Basic Medical Science and ∥Department of Medical Research, China Medical University Hospital , Taichung 40402, Taiwan
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78
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The Metastatic Potential and Chemoresistance of Human Pancreatic Cancer Stem Cells. PLoS One 2016; 11:e0148807. [PMID: 26859746 PMCID: PMC4747523 DOI: 10.1371/journal.pone.0148807] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 01/22/2016] [Indexed: 01/26/2023] Open
Abstract
Cancer stem cells (CSCs) typically have the capacity to evade chemotherapy and may be the principal source of metastases. CSCs for human pancreatic ductal carcinoma (PDAC) have been identified, but neither the metastatic potential nor the chemoresistance of these cells has been adequately evaluated. We have addressed these issues by examining side-population (SP) cells isolated from the Panc-1 and BxPC3 lines of human PDAC cells, the oncogenotypes of which differ. SP cells could be isolated from monolayers of Panc-1, but only from spheroids of BxPC3. Using orthotopic xenografts into the severely immunocompromised NSG mouse, we found that SP cells isolated from both cell lines produced tumors that were highly metastatic, in contrast to previous experience with PDAC cell lines. SP cells derived from both cell lines expressed the ABCG2 transporter, which was demonstrably responsible for the SP phenotype. SP cells gave rise to non-SP (NSP) cells in vitro and in vivo, a transition that was apparently due to posttranslational inhibition of the ABCG2 transporter. Twenty-two other lines of PDAC cells also expressed ABCG2. The sensitivity of PDAC SP cells to the vinca alkaloid vincristine could be greatly increased by verapamil, a general inhibitor of transporters. In contrast, verapamil had no effect on the killing of PDAC cells by gemcitabine, the current first-line therapeutic for PDAC. We conclude that the isolation of SP cells can be a convenient and effective tool for the study of PDAC CSCs; that CSCs may be the principal progenitors of metastasis by human PDAC; that the ABCG2 transporter is responsible for the SP phenotype in human PDAC cells, and may be a ubiquitous source of drug-resistance in PDAC, but does not confer resistance to gemcitabine; and that inhibition of ABCG2 might offer a useful adjunct in a therapeutic attack on the CSCs of PDAC.
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79
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Wu CP, Hsieh YJ, Hsiao SH, Su CY, Li YQ, Huang YH, Huang CW, Hsieh CH, Yu JS, Wu YS. Human ATP-Binding Cassette Transporter ABCG2 Confers Resistance to CUDC-907, a Dual Inhibitor of Histone Deacetylase and Phosphatidylinositol 3-Kinase. Mol Pharm 2016; 13:784-94. [PMID: 26796063 DOI: 10.1021/acs.molpharmaceut.5b00687] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
CUDC-907 is a novel, dual-acting small molecule compound designed to simultaneously inhibit the activity of histone deacetylase (HDAC) and phosphatidylinositol 3-kinase (PI3K). Treatment with CUDC-907 led to sustained inhibition of HDAC and PI3K activity, inhibition of RAF-MEK-MAPK signaling pathway, and inhibition of cancer cell growth. CUDC-907 is currently under evaluation in phase I clinical trials in patients with lymphoma or multiple myeloma, and in patients with advanced solid tumors. However, the risk of developing acquired resistance to CUDC-907 can present a significant therapeutic challenge to clinicians in the future and should be investigated. The overexpression of ATP-binding cassette (ABC) drug transporter ABCB1, ABCC1, or ABCG2 is one of the most common mechanisms of developing multidrug resistance (MDR) in cancers and a major obstacle in chemotherapy. In this study, we reveal that ABCG2 reduces the intracellular accumulation of CUDC-907 and confers significant resistance to CUDC-907, which leads to reduced activity of CUDC-907 to inhibit HDAC and PI3K in human cancer cells. Moreover, although CUDC-907 affects the transport function of ABCG2, it was not potent enough to reverse drug resistance mediated by ABCG2 or affect the expression level of ABCG2 in human cancer cells. Taken together, our findings indicate that ABCG2-mediated CUDC-907 resistance can have serious clinical implications and should be further investigated. More importantly, we demonstrate that the activity of CUDC-907 in ABCG2-overexpressing cancer cells can be restored by inhibiting the function of ABCG2, which provides support for the rationale of combining CUDC-907 with modulators of ABCG2 to improve the pharmacokinetics and efficacy of CUDC-907 in future treatment trials.
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Affiliation(s)
| | | | | | | | | | | | - Chiun-Wei Huang
- Center for Advanced Molecular Imaging and Translation, Chang Gung Memorial Hospital , Tao-Yuan, Taiwan
| | | | | | - Yu-Shan Wu
- Department of Chemistry, Tunghai University , Taichung, Taiwan
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80
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Abstract
Advances in molecular technologies have led to the discovery of many disease-related genetic mutations as well as elucidation of aberrant gene and protein expression patterns in several human diseases, including cancer. This information has driven the development of novel therapeutic strategies, such as the utilization of small molecules to target specific cellular pathways and the use of retroviral vectors to retarget immune cells to recognize and eliminate tumor cells. Retroviral-mediated gene transfer has allowed efficient production of T cells engineered with chimeric antigen receptors (CARs), which have demonstrated marked success in the treatment of hematological malignancies. As a safety point, these modified cells can be outfitted with suicide genes. Customized gene editing tools, such as clustered regularly interspaced short palindromic repeats-CRISPR-associated nucleases (CRISPR-Cas9), zinc-finger nucleases (ZFNs), or TAL-effector nucleases (TALENs), may also be combined with retroviral delivery to specifically delete oncogenes, inactivate oncogenic signaling pathways, or deliver wild-type genes. Additionally, the feasibility of retroviral gene transfer strategies to protect the hematopoietic stem cells (HSC) from the dose-limiting toxic effects of chemotherapy and radiotherapy was demonstrated. While some of these approaches have yet to be translated into clinical application, the potential implications for improved cellular replacement therapies to enhance and/or support the current treatment modalities are enormous.
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81
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Wu CP, Hsieh CH, Hsiao SH, Luo SY, Su CY, Li YQ, Huang YH, Huang CW, Hsu SC. Human ATP-Binding Cassette Transporter ABCB1 Confers Resistance to Volasertib (BI 6727), a Selective Inhibitor of Polo-like Kinase 1. Mol Pharm 2015; 12:3885-95. [PMID: 26412161 DOI: 10.1021/acs.molpharmaceut.5b00312] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The overexpression of the serine/threonine specific polo-like kinase 1 (Plk1) is associated with poor prognosis in many types of cancer. Consequently, Plk1 has emerged as a valid therapeutic target for anticancer drug design. Volasertib is a potent inhibitor of Plk1 that inhibits the proliferation of multiple human cancer cell lines by promoting cell cycle arrest at nanomolar concentrations. However, the risk of developing drug resistance, which is often associated with the overexpression of the ATP-binding cassette (ABC) transporter ABCB1 (P-glycoprotein), can present a therapeutic challenge for volasertib and many other therapeutic drugs. Although volasertib is highly effective against the proliferation of numerous cancer cell lines, we found that the overexpression of ABCB1 in cancer cells leads to cellular resistance to volasertib and reduces the level of volasertib-stimulated G2/M cell cycle arrest and subsequent onset of apoptosis. Furthermore, we demonstrate that volasertib competitively inhibits the function of ABCB1 and stimulates the basal ATPase activity of ABCB1 in a concentration-dependent manner, which is consistent with substrate transport by ABCB1. More importantly, we discovered that the coadministration of an inhibitor or drug substrate of ABCB1 restored the anticancer activity of volasertib in ABCB1-overexpressing cancer cells. In conclusion, the results of our study reveal that ABCB1 negatively affects the efficacy of volasertib and supports its combination with a modulator of ABCB1 to improve clinical responses.
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Affiliation(s)
| | | | | | | | | | | | | | - Chiun-Wei Huang
- Center for Advanced Molecular Imaging and Translation, Chang Gung Memorial Hospital , Tao-Yuan, Taiwan
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82
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Wang J, Liu L, Cen J, Ji B. BME, a novel compound of anthraquinone, down regulated P-glycoprotein expression in doxorubicin-resistant human myelogenous leukemia (K562/DOX) cells via generation of reactive oxygen species. Chem Biol Interact 2015; 239:139-45. [PMID: 26169035 DOI: 10.1016/j.cbi.2015.07.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 06/11/2015] [Accepted: 07/06/2015] [Indexed: 12/09/2022]
Abstract
P-glycoprotein (P-gp)-mediated multidrug resistance (MDR) in tumor cells is still a main obstacle for the chemotherapeutic treatment of cancers. Thus, development of effective MDR reversing agents is an important approach in the clinic. The present study revealed that BME, a novel compound of anthraquinone, elevated intracellular accumulation of the P-gp substrates and reduced concentration resulting in 50% inhibition of cell growth (IC50) values for doxorubicin (DOX) in doxorubicin-resistant human myelogenous leukemia (K562/DOX) cells. Further more, BME was also reported to down regulated P-gp expression accompanying with generation of nontoxic low level of intracellular reactive oxygen species (iROS) and activation of extracellular signal-regulated kinase (ERK)1/2 as well as c-JUN N-terminal kinase (JNK). However, treatment with N-acetyl-cysteine (NAC), U0216 and SP600125 almost abolished actions of the BME mentioned above. These results indicated that the effect of the BME on the P-gp may be involved in generation of nontoxic low level of iROS and activation of ERK1/2 or JNK, which suggested valuable clues to screen and develop P-gp reversing agents.
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Affiliation(s)
- Jianhong Wang
- Key Laboratory of Natural Medicine and Immune Engineering, Henan University, Kaifeng 475001, China
| | - Lu Liu
- Key Laboratory of Natural Medicine and Immune Engineering, Henan University, Kaifeng 475001, China
| | - Juan Cen
- Key Laboratory of Natural Medicine and Immune Engineering, Henan University, Kaifeng 475001, China
| | - Biansheng Ji
- Key Laboratory of Natural Medicine and Immune Engineering, Henan University, Kaifeng 475001, China.
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83
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Jaiswal R, Raymond Grau GE, Bebawy M. Cellular communication via microparticles: role in transfer of multidrug resistance in cancer. Future Oncol 2015; 10:655-69. [PMID: 24754595 DOI: 10.2217/fon.13.230] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Multidrug resistance (MDR) continues to be a major impediment to the successful treatment of cancer. The two efflux transporters, P-glycoprotein (P-gp) and MRP1 are major contributors to cancer MDR clinically. The upregulation of P-gp leading to MDR was initially understood to occur via pre- and post-transcriptional mechanisms only. However, we demonstrated that microparticles mediate the intercellular exchange and trafficking of bioactive material, including functional P-gp and selected modulatory miRNAs. This exchange of P-gp leads to the dissemination of MDR within a cancer cell population. These findings have significant implications in understanding the cellular basis governing the intercellular acquisition of deleterious traits in cancers, serving to substantially advance our understanding of the molecular basis of the emergence of MDR in cancer clinically.
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Affiliation(s)
- Ritu Jaiswal
- School of Pharmacy, Graduate School of Health, The University of Technology, Sydney, NSW 2007, Australia
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84
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Equilibrated atomic models of outward-facing P-glycoprotein and effect of ATP binding on structural dynamics. Sci Rep 2015; 5:7880. [PMID: 25600711 PMCID: PMC4389535 DOI: 10.1038/srep07880] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Accepted: 12/16/2014] [Indexed: 12/14/2022] Open
Abstract
P-glycoprotein (Pgp) is an ATP-binding cassette (ABC) transporter that alternates between inward- and outward-facing conformations to capture and force substrates out of cells like a peristaltic pump. The high degree of similarity in outward-facing structures across evolution of ABC transporters allowed construction of a high-confidence outward-facing Pgp atomic model based on crystal structures of outward-facing Sav1866 and inward-facing Pgp. The model adhered to previous experimentally determined secondary- and tertiary- configurations during all-atom molecular dynamics simulations in the presence or absence of MgATP. Three long lasting (>100 ns) meta-stable states were apparent in the presence of MgATP revealing new insights into alternating access. The two ATP-binding pockets are highly asymmetric resulting in differential control of overall structural dynamics and allosteric regulation of the drug-binding pocket. Equilibrated Pgp has a considerably different electrostatic profile compared to Sav1866 that implicates significant kinetic and thermodynamic differences in transport mechanisms.
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85
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Silva R, Vilas-Boas V, Carmo H, Dinis-Oliveira RJ, Carvalho F, de Lourdes Bastos M, Remião F. Modulation of P-glycoprotein efflux pump: induction and activation as a therapeutic strategy. Pharmacol Ther 2014; 149:1-123. [PMID: 25435018 DOI: 10.1016/j.pharmthera.2014.11.013] [Citation(s) in RCA: 231] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 11/19/2014] [Indexed: 01/03/2023]
Abstract
P-glycoprotein (P-gp) is an ATP-dependent efflux pump encoded by the MDR1 gene in humans, known to mediate multidrug resistance of neoplastic cells to cancer therapy. For several decades, P-gp inhibition has drawn many significant research efforts in an attempt to overcome this phenomenon. However, P-gp is also constitutively expressed in normal human epithelial tissues and, due to its broad substrate specificity, to its cellular polarized expression in many excretory and barrier tissues, and to its great efflux capacity, it can play a crucial role in limiting the absorption and distribution of harmful xenobiotics, by decreasing their intracellular accumulation. Such a defense mechanism can be of particular relevance at the intestinal level, by significantly reducing the intestinal absorption of the xenobiotic and, consequently, avoiding its access to the target organs. In this review, the current knowledge on this important efflux pump is summarized, and a new focus is brought on the therapeutic interest of inducing and/or activating P-gp for limiting the toxicity caused by its substrates. Several in vivo and in vitro studies validating the use of such a therapeutic strategy are discussed. An extensive literature search for reported P-gp inducers/activators and for the experimental models used in their characterization was conducted. Those studies demonstrate that effective antidotal pathways can be achieved by efficiently promoting the P-gp-mediated efflux of deleterious xenobiotics, resulting in a significant reduction in their intracellular levels and, consequently, in a significant reduction of their toxicity.
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Affiliation(s)
- Renata Silva
- UCIBIO-REQUIMTE, Laboratory of Toxicology, Biological Sciences Department, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Vânia Vilas-Boas
- UCIBIO-REQUIMTE, Laboratory of Toxicology, Biological Sciences Department, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Helena Carmo
- UCIBIO-REQUIMTE, Laboratory of Toxicology, Biological Sciences Department, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Ricardo Jorge Dinis-Oliveira
- UCIBIO-REQUIMTE, Laboratory of Toxicology, Biological Sciences Department, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; INFACTS - Institute of Research and Advanced Training in Health Sciences and Technologies, Department of Sciences, Advanced Institute of Health Sciences - North (ISCS-N), CESPU, CRL, Gandra, Portugal; Department of Legal Medicine and Forensic Sciences, Faculty of Medicine, University of Porto, Porto, Portugal.
| | - Félix Carvalho
- UCIBIO-REQUIMTE, Laboratory of Toxicology, Biological Sciences Department, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Maria de Lourdes Bastos
- UCIBIO-REQUIMTE, Laboratory of Toxicology, Biological Sciences Department, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
| | - Fernando Remião
- UCIBIO-REQUIMTE, Laboratory of Toxicology, Biological Sciences Department, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
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86
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Wu CP, Hsiao SH, Su CY, Luo SY, Li YQ, Huang YH, Hsieh CH, Huang CW. Human ATP-Binding Cassette transporters ABCB1 and ABCG2 confer resistance to CUDC-101, a multi-acting inhibitor of histone deacetylase, epidermal growth factor receptor and human epidermal growth factor receptor 2. Biochem Pharmacol 2014; 92:567-76. [PMID: 25450670 DOI: 10.1016/j.bcp.2014.10.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 10/06/2014] [Accepted: 10/07/2014] [Indexed: 01/01/2023]
Abstract
CUDC-101 is the first small-molecule inhibitor designed to simultaneously inhibit epidermal growth factor receptor (EGFR), human epidermal growth factor receptor 2 (HER2) and histone deacetylase (HDAC) in cancer cells. Recently, in its first in human phase I study, CUDC-101 showed promising single agent activity against advanced solid tumors and favorable pharmacodynamic profile. However, the risk of developing drug resistance to CUDC-101 can still present a significant therapeutic challenge to clinicians in the future. One of the most common mechanisms of developing multidrug resistance (MDR) in cancer is associated with the overexpression of ATP-binding cassette (ABC) drug transporters ABCB1 and ABCG2. Together, they are able to reduce the efficacy and modify the pharmacological properties of anti-cancer agents, including many small molecule tyrosine kinase inhibitors (TKIs). Here, we have investigated the impact of ABCB1 and ABCG2 on the efficacy of CUDC-101 in human cancer cells. We revealed that although CUDC-101 has potent antiproliferative and proapoptotic activities against most cancer cell lines, the overexpression of ABCB1 or ABCG2 in cancer cells significantly reduced the activity of CUDC-101 against HDAC, EGFR and HER2, as well as its cytotoxicity and proapoptotic activity. Moreover, we showed that CUDC-101 modulated the function of both transporters without affecting the protein expression of either ABCB1 or ABCG2. More importantly, our study provides support for the rationale of combining CUDC-101 with modulators of ABC drug transporters to improve drug efficacy and overcome multidrug resistance associated with the overexpression of ABCB1 and ABCG2.
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Affiliation(s)
- Chung-Pu Wu
- Department of Physiology and Pharmacology; Graduate Institute of Biomedical Sciences; Molecular Medicine Research Center, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.
| | | | | | - Shi-Yu Luo
- Graduate Institute of Biomedical Sciences
| | | | - Yang-Hui Huang
- Molecular Medicine Research Center, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Chia-Hung Hsieh
- Graduate Institute of Basic Medical Science; Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Chiun-Wei Huang
- Center for Advanced Molecular Imaging and Translation, Chang Gung Memorial Hospital, Tao-Yuan, Taiwan
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87
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Wu CP, Hsiao SH, Luo SY, Tuo WC, Su CY, Li YQ, Huang YH, Hsieh CH. Overexpression of human ABCB1 in cancer cells leads to reduced activity of GSK461364, a specific inhibitor of polo-like kinase 1. Mol Pharm 2014; 11:3727-36. [PMID: 25192198 DOI: 10.1021/mp500492r] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Polo-like kinase 1 (Plk1) is a serine/threonine kinase involved in the regulation of mitosis and is overexpressed in many tumor types. Inhibition of Plk1 leads to cell cycle arrest, onset of apoptosis, and cell death, thus Plk1 has emerged as an important target for cancer treatment. GSK461364 is a potent inhibitor of Plk1 that inhibits the proliferation of multiple human cancer cell lines by promoting G2/M cell cycle arrest at low concentrations. However, as is the case for many therapeutic drugs, the risk of developing drug resistance to GSK461364 can present a therapeutic challenge to clinicians. Since the overexpression of ATP-binding cassette (ABC) drug transporter ABCB1 is one of the most common mechanisms of drug resistance, we aimed to investigate the effect of ABCB1 on the cellular efficacy of GSK461364. In this study, we observed a significantly reduced activity of GSK461364 in cells overexpressing human ABCB1. We showed that GSK461364 stimulates the ABCB1 ATPase activity and competitively inhibits ABCB1-mediated efflux of calcein-AM in a concentration-dependent manner. Moreover, as a way to assess the impact of ABCB1 on the efficacy of GSK461364, we evaluated the G2/M cell cycle arrest and apoptosis induced by GSK461364. We discovered that, by inhibiting the function of ABCB1, the reduced G2/M cell cycle arrest, apoptosis, and sensitivity to GSK461364 treatment in ABCB1-overexpressing cells can be significantly restored. In conclusion, in order to achieve a better therapeutic outcome, combination therapy of GSK461364 with a modulator of ABCB1 should be further investigated as a potential treatment approach.
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Affiliation(s)
- Chung-Pu Wu
- Department of Physiology and Pharmacology, ‡Graduate Institute of Biomedical Sciences, and §Molecular Medicine Research Center, College of Medicine, Chang Gung University , Tao-Yuan 333, Taiwan
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88
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Saeed M, Zeino M, Kadioglu O, Volm M, Efferth T. Overcoming of P-glycoprotein-mediated multidrug resistance of tumors in vivo by drug combinations. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.synres.2014.07.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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89
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d'Adhemar CJ, Spillane CD, Gallagher MF, Bates M, Costello KM, Barry-O'Crowley J, Haley K, Kernan N, Murphy C, Smyth PC, O'Byrne K, Pennington S, Cooke AA, Ffrench B, Martin CM, O'Donnell D, Hennessy B, Stordal B, Finn S, McCann A, Gleeson N, D'Arcy T, Flood B, O'Neill LAJ, Sheils O, O'Toole S, O'Leary JJ. The MyD88+ phenotype is an adverse prognostic factor in epithelial ovarian cancer. PLoS One 2014; 9:e100816. [PMID: 24977712 PMCID: PMC4076208 DOI: 10.1371/journal.pone.0100816] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 05/30/2014] [Indexed: 11/18/2022] Open
Abstract
The prognosis of epithelial ovarian cancer is poor in part due to the high frequency of chemoresistance. Recent evidence points to the Toll-like receptor-4 (TLR4), and particularly its adaptor protein MyD88, as one potential mediator of this resistance. This study aims to provide further evidence that MyD88 positive cancer cells are clinically significant, stem-like and reproducibly detectable for the purposes of prognostic stratification. Expression of TLR4 and MyD88 was assessed immunohistochemically in 198 paraffin-embedded ovarian tissues and in an embryonal carcinoma model of cancer stemness. In parallel, expression of TLR4 and MyD88 mRNA and regulatory microRNAs (miR-21 and miR-146a) was assessed, as well as in a series of chemosensitive and resistant cancer cells lines. Functional analysis of the pathway was assessed in chemoresistant SKOV-3 ovarian cancer cells. TLR4 and MyD88 expression can be reproducibly assessed via immunohistochemistry using a semi-quantitative scoring system. TLR4 expression was present in all ovarian epithelium (normal and neoplastic), whereas MyD88 was restricted to neoplastic cells, independent of tumour grade and associated with reduced progression-free and overall survival, in an immunohistological specific subset of serous carcinomas, p<0.05. MiR-21 and miR-146a expression was significantly increased in MyD88 negative cancers (p<0.05), indicating their participation in regulation. Significant alterations in MyD88 mRNA expression were observed between chemosensitive and chemoresistant cells and tissue. Knockdown of TLR4 in SKOV-3 ovarian cells recovered chemosensitivity. Knockdown of MyD88 alone did not. MyD88 expression was down-regulated in differentiated embryonal carcinoma (NTera2) cells, supporting the MyD88+ cancer stem cell hypothesis. Our findings demonstrate that expression of MyD88 is associated with significantly reduced patient survival and altered microRNA levels and suggest an intact/functioning TLR4/MyD88 pathway is required for acquisition of the chemoresistant phenotype. Ex vivo manipulation of ovarian cancer stem cell (CSC) differentiation can decrease MyD88 expression, providing a potentially valuable CSC model for ovarian cancer.
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MESH Headings
- Aged
- Antineoplastic Agents, Phytogenic/pharmacology
- Carcinoma, Ovarian Epithelial
- Cell Line, Tumor
- Cystadenocarcinoma, Serous/diagnosis
- Cystadenocarcinoma, Serous/drug therapy
- Cystadenocarcinoma, Serous/genetics
- Cystadenocarcinoma, Serous/mortality
- Drug Resistance, Neoplasm/genetics
- Female
- Gene Expression Regulation, Neoplastic
- Genotype
- Humans
- Immunohistochemistry
- MicroRNAs/genetics
- MicroRNAs/metabolism
- Middle Aged
- Myeloid Differentiation Factor 88/genetics
- Myeloid Differentiation Factor 88/metabolism
- Neoplasms, Glandular and Epithelial/diagnosis
- Neoplasms, Glandular and Epithelial/drug therapy
- Neoplasms, Glandular and Epithelial/genetics
- Neoplasms, Glandular and Epithelial/mortality
- Neoplastic Stem Cells/drug effects
- Neoplastic Stem Cells/metabolism
- Neoplastic Stem Cells/pathology
- Ovarian Neoplasms/diagnosis
- Ovarian Neoplasms/drug therapy
- Ovarian Neoplasms/genetics
- Ovarian Neoplasms/mortality
- Paclitaxel/pharmacology
- Phenotype
- Prognosis
- RNA, Small Interfering/genetics
- RNA, Small Interfering/metabolism
- Signal Transduction
- Survival Analysis
- Toll-Like Receptor 4/antagonists & inhibitors
- Toll-Like Receptor 4/genetics
- Toll-Like Receptor 4/metabolism
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Affiliation(s)
| | - Cathy D. Spillane
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
| | | | - Mark Bates
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
| | - Katie M. Costello
- Department of Pathology, Coombe Women's & Infants University Hospital, Dublin, Ireland
| | | | - Kathryn Haley
- Department of Obstetrics and Gynaecology, Trinity College Dublin, Dublin, Ireland
| | - Niamh Kernan
- Department of Pathology, Coombe Women's & Infants University Hospital, Dublin, Ireland
| | - Ciara Murphy
- Department of Pathology, Coombe Women's & Infants University Hospital, Dublin, Ireland
| | - Paul C. Smyth
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
| | - Ken O'Byrne
- Translational Research Institute, Princess Alexandra Hospital, Brisbane, Australia
| | - Stephen Pennington
- College of Health Sciences, University College Dublin, Belfield, Dublin, Ireland
| | - Aoife A. Cooke
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
| | - Brendan Ffrench
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
| | - Cara M. Martin
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
| | | | - Bryan Hennessy
- Department of Medical Oncology, Royal College of Surgeons, Dublin, Ireland
| | - Britta Stordal
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
| | - Stephen Finn
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
| | - Amanda McCann
- College of Health Sciences, University College Dublin, Belfield, Dublin, Ireland
| | - Noreen Gleeson
- Department of Obstetrics and Gynaecology, Trinity College Dublin, Dublin, Ireland
| | - Tom D'Arcy
- Department of Obstetrics and Gynaecology, Trinity College Dublin, Dublin, Ireland
| | - Brian Flood
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
| | | | - Orla Sheils
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
| | - Sharon O'Toole
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
- Department of Obstetrics and Gynaecology, Trinity College Dublin, Dublin, Ireland
- * E-mail:
| | - John J. O'Leary
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
- Department of Pathology, Coombe Women's & Infants University Hospital, Dublin, Ireland
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90
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Fung KL, Tepede AK, Pluchino KM, Pouliot LM, Pixley JN, Hall MD, Gottesman MM. Uptake of compounds that selectively kill multidrug-resistant cells: the copper transporter SLC31A1 (CTR1) increases cellular accumulation of the thiosemicarbazone NSC73306. Mol Pharm 2014; 11:2692-702. [PMID: 24800945 PMCID: PMC4137994 DOI: 10.1021/mp500114e] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Acquired drug resistance in cancer continues to be a challenge in cancer therapy, in part due to overexpression of the drug efflux transporter P-glycoprotein (P-gp, MDR1, ABCB1). NSC73306 is a thiosemicarbazone compound that displays greater toxicity against cells expressing functional P-gp than against other cells. Here, we investigate the cellular uptake of NSC73306, and examine its interaction with P-gp and copper transporter 1 (CTR1, SLC31A1). Overexpression of P-gp sensitizes LLC-PK1 cells to NSC73306. Cisplatin (IC50 = 77 μM), cyclosporin A (IC50 = 500 μM), and verapamil (IC50 = 700 μM) inhibited cellular accumulation of [(3)H]NSC73306. Cellular hypertoxicity of NSC73306 to P-gp-expressing cells was inhibited by cisplatin in a dose-dependent manner. Cells transiently expressing the cisplatin uptake transporter CTR1 (SLC31A1) showed increased [(3)H]NSC73306 accumulation. In contrast, CTR1 knockdown decreased [(3)H]NSC73306 accumulation. The presence of NSC73306 reduced CTR1 levels, similar to the negative feedback of CTR1 levels by copper or cisplatin. Surprisingly, although cisplatin is a substrate of CTR1, we found that CTR1 protein was overexpressed in high-level cisplatin-resistant KB-CP20 and BEL7404-CP20 cell lines. We confirmed that the CTR1 protein was functional, as uptake of NSC73306 was increased in KB-CP20 cells compared to their drug-sensitive parental cells, and downregulation of CTR1 in KB-CP20 cells reduced [(3)H]NSC73306 accumulation. These results suggest that NSC73306 is a transport substrate of CTR1.
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Affiliation(s)
- King Leung Fung
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health , Bethesda, Maryland 20892, United States
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91
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Abstract
Multidrug resistance (MDR) in cancer cells is a phenotype whereby cells display reduced sensitivity to anticancer drugs, based on a variety of mechanisms, including an increase in drug efflux, the reduction of drug uptake, the activation of cell growth and survival signaling, the promotion of DNA repair, and the inhibition of apoptosis signaling. Increased expression of the plasma membrane drug efflux pumps, the ATP-binding cassette (ABC) transporters, is involved in MDR. P-Glycoprotein/ABCB1 is a member of the ABC transporter family, and facilitates the efflux of various anticancer drugs, including anthracyclines, vinca alkaloids, epipodophyllotoxins, taxanes, and kinase inhibitors, from cells. P-Glycoprotein is also expressed in normal tissues and cells, including the kidney, liver, colon, and adrenal gland, to transport and/or secrete substrates and at the blood-brain, blood-placenta, and blood-testis barriers to protect these tissues from toxic substances. To understand the mechanistic functions of P-glycoprotein and to overcome MDR, investigators have identified the substrates and competitive inhibitors of P-glycoprotein. Recently, we and other groups reported associations between cellular signaling pathways and the expression, stability, degradation, localization, and activity of P-glycoprotein. The present review summarizes the currently available information about the transcriptional and posttranslational regulation of P-glycoprotein expression and function.
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92
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Madhusudhan A, Reddy GB, Venkatesham M, Veerabhadram G, Kumar DA, Natarajan S, Yang MY, Hu A, Singh SS. Efficient pH dependent drug delivery to target cancer cells by gold nanoparticles capped with carboxymethyl chitosan. Int J Mol Sci 2014; 15:8216-34. [PMID: 24821542 PMCID: PMC4057728 DOI: 10.3390/ijms15058216] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Revised: 04/11/2014] [Accepted: 04/30/2014] [Indexed: 02/01/2023] Open
Abstract
Doxorubicin (DOX) was immobilized on gold nanoparticles (AuNPs) capped with carboxymethyl chitosan (CMC) for effective delivery to cancer cells. The carboxylic group of carboxymethyl chitosan interacts with the amino group of the doxorubicin (DOX) forming stable, non-covalent interactions on the surface of AuNPs. The carboxylic group ionizes at acidic pH, thereby releasing the drug effectively at acidic pH suitable to target cancer cells. The DOX loaded gold nanoparticles were effectively absorbed by cervical cancer cells compared to free DOX and their uptake was further increased at acidic conditions induced by nigericin, an ionophore that causes intracellular acidification. These results suggest that DOX loaded AuNPs with pH-triggered drug releasing properties is a novel nanotheraputic approach to overcome drug resistance in cancer.
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Affiliation(s)
- Alle Madhusudhan
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, Andhra Pradesh 500007, India.
| | - Gangapuram Bhagavanth Reddy
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, Andhra Pradesh 500007, India.
| | - Maragoni Venkatesham
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, Andhra Pradesh 500007, India.
| | - Guttena Veerabhadram
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, Andhra Pradesh 500007, India.
| | - Dudde Anil Kumar
- Department of Biochemistry, University College of Science, Osmania University, Hyderabad, Andhra Pradesh 500007, India.
| | - Sumathi Natarajan
- Department of Biochemistry, University College of Science, Osmania University, Hyderabad, Andhra Pradesh 500007, India.
| | - Ming-Yeh Yang
- Department of Laboratory Medicine and Biotechnology, Tzu Chi University, Hualien City 970, Taiwan.
| | - Anren Hu
- Department of Laboratory Medicine and Biotechnology, Tzu Chi University, Hualien City 970, Taiwan.
| | - Surya S Singh
- Department of Biochemistry, University College of Science, Osmania University, Hyderabad, Andhra Pradesh 500007, India.
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93
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Cohen K, Emmanuel R, Kisin-Finfer E, Shabat D, Peer D. Modulation of drug resistance in ovarian adenocarcinoma using chemotherapy entrapped in hyaluronan-grafted nanoparticle clusters. ACS NANO 2014; 8:2183-2195. [PMID: 24494862 DOI: 10.1021/nn500205b] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Resistance to anticancer drugs is considered a major cause of chemotherapy failure. One of the major mediators of resistance is the multidrug extrusion pump protein, P-glycoprotein (P-gp), an ATP-binding cassette (ABC) transporter with broad substrate specificity. In order to bypass this drug resistance mechanism, we have devised phospholipid-based nanoparticle clusters coated with the glycosaminoglycan hyaluronan, the major ligand of CD44, which is upregulated and undergoes different splice variations in many types of cancer cells. These particles, termed glycosaminoglycan particle nanoclusters or gagomers (GAGs), were self-assembled into ∼500 nm diameter clusters, with zeta-potential values of ∼-70 mV. Flow cytometry analysis provided evidence that, unlike free doxorubicin (DOX), a model chemotherapy, DOX entrapped in the GAGs (DOX-GAGs) accumulated in P-gp-overexpressing human ovarian adenocarcinoma cell line and dramatically decreased cell viability, while drug-free GAGs and the commercially available drug DOXIL (PEGylated liposomal DOX) did not produce therapeutic benefit. Furthermore, by using RNA interference strategy, we showed that DOX-GAGs were able to overcome the P-gp-mediated resistant mechanism of these cells. Most importantly, DOX-GAGs showed a superior therapeutic effect over free DOX in a resistant human ovarian adenocarcinoma mouse xenograft model. Taken together, these results demonstrated that GAGs might serve as an efficient platform for delivery of therapeutic payloads by bypassing P-gp-mediated multidrug resistance.
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Affiliation(s)
- Keren Cohen
- Laboratory of NanoMedicine, Department of Cell Research and Immunology, George S. Wise Faculty of Life Sciences, ‡Department of Materials Sciences and Engineering, Faculty of Engineering, §Center for Nanoscience and Nanotechnology, and ⊥School of Chemistry, Tel Aviv University , Tel Aviv 69978, Israel
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94
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Sike Á, Nagy E, Vedelek B, Pusztai D, Szerémy P, Venetianer A, Boros IM. mRNA levels of related Abcb genes change opposite to each other upon histone deacetylase inhibition in drug-resistant rat hepatoma cells. PLoS One 2014; 9:e84915. [PMID: 24409311 PMCID: PMC3883685 DOI: 10.1371/journal.pone.0084915] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Accepted: 11/27/2013] [Indexed: 11/18/2022] Open
Abstract
The multidrug-resistant phenotype of tumor cells is acquired via an increased capability of drug efflux by ABC transporters and causes serious problems in cancer treatment. With the aim to uncover whether changes induced by epigenetic mechanisms in the expression level of drug transporter genes correlates with changes in the drug resistance phenotypes of resistant cells, we studied the expression of drug transporters in rat hepatoma cell lines. We found that of the three major rat ABC transporter genes Abcb1a, Abcb1b and Abcc1 the activity of only Abcb1b increased significantly in colchicine-selected, drug-resistant cells. Increased transporter expression in drug-resistant cells results primarily from transcriptional activation. A change in histone modification at the regulatory regions of the chromosomally adjacent Abcb1a and Abcb1b genes differentially affects the levels of corresponding mRNAs. Transcriptional up- and down-regulation accompany an increase in acetylation levels of histone H3 lysine 9 at the promoter regions of Abcb1b and Abcb1a, respectively. Drug efflux activity, however, does not follow tightly the transcriptional activity of drug transporter genes in hepatoma cells. Our results point out the need for careful analysis of cause-and-effect relationships between changes in histone modification, drug transporter expression and drug resistance phenotypes.
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Affiliation(s)
- Ádám Sike
- Department of Biochemistry and Molecular Biology, University of Szeged, Szeged, Hungary
| | - Enikő Nagy
- Department of Biochemistry and Molecular Biology, University of Szeged, Szeged, Hungary
| | - Balázs Vedelek
- Department of Biochemistry and Molecular Biology, University of Szeged, Szeged, Hungary
| | - Dávid Pusztai
- Department of Biochemistry and Molecular Biology, University of Szeged, Szeged, Hungary
| | | | - Anikó Venetianer
- Institute of Genetics, Biological Research Center, Szeged, Hungary
| | - Imre M. Boros
- Department of Biochemistry and Molecular Biology, University of Szeged, Szeged, Hungary
- Institute of Biochemistry, Biological Research Center, Szeged, Hungary
- * E-mail:
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95
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Fung KL, Pan J, Ohnuma S, Lund PE, Pixley JN, Kimchi-Sarfaty C, Ambudkar SV, Gottesman MM. MDR1 synonymous polymorphisms alter transporter specificity and protein stability in a stable epithelial monolayer. Cancer Res 2013; 74:598-608. [PMID: 24305879 DOI: 10.1158/0008-5472.can-13-2064] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The drug efflux function of P-glycoprotein (P-gp) encoded by MDR1 can be influenced by genetic polymorphisms, including two synonymous changes in the coding region of MDR1. Here we report that the conformation of P-gp and its drug efflux activity can be altered by synonymous polymorphisms in stable epithelial monolayers expressing P-gp. Several cell lines with similar MDR1 DNA copy number were developed and termed LLC-MDR1-WT (expresses wild-type P-gp), LLC-MDR1-3H (expresses common haplotype P-gp), and LLC-MDR1-3HA (a mutant that carries a different valine codon in position 3435). These cell lines express similar levels of recombinant mRNA and protein. P-gp in each case is localized on the apical surface of polarized cells. However, the haplotype and its mutant P-gps fold differently from the wild-type, as determined by UIC2 antibody shift assays and limited proteolysis assays. Surface biotinylation experiments suggest that the non-wild-type P-gps have longer recycling times. Drug transport assays show that wild-type and haplotype P-gp respond differently to P-gp inhibitors that block efflux of rhodamine 123 or mitoxantrone. In addition, cytotoxicity assays show that the LLC-MDR1-3H cells are more resistant to mitoxantrone than the LLC-MDR1-WT cells after being treated with a P-gp inhibitor. Expression of polymorphic P-gp, however, does not affect the host cell's morphology, growth rate, or monolayer formation. Also, ATPase activity assays indicate that neither basal nor drug-stimulated ATPase activities are affected in the variant P-gps. Taken together, our findings indicate that "silent" polymorphisms significantly change P-gp function, which would be expected to affect interindividual drug disposition and response.
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Affiliation(s)
- King Leung Fung
- Authors' Affiliations: Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, NIH; and Center for Biologics Evaluation and Research, Division of Hematology, Food and Drug Administration, Bethesda, Maryland
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96
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97
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Wu CP, Hsiao SH, Sim HM, Luo SY, Tuo WC, Cheng HW, Li YQ, Huang YH, Ambudkar SV. Human ABCB1 (P-glycoprotein) and ABCG2 mediate resistance to BI 2536, a potent and selective inhibitor of Polo-like kinase 1. Biochem Pharmacol 2013; 86:904-13. [PMID: 23962445 PMCID: PMC3791609 DOI: 10.1016/j.bcp.2013.08.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2013] [Revised: 08/03/2013] [Accepted: 08/07/2013] [Indexed: 11/29/2022]
Abstract
The overexpression of the serine/threonine specific Polo-like kinase 1 (Plk1) has been detected in various types of cancer, and thus has fast become an attractive therapeutic target for cancer therapy. BI 2536 is the first selective inhibitor of Plk1 that inhibits cancer cell proliferation by promoting G2/M cell cycle arrest at nanomolar concentrations. Unfortunately, alike most chemotherapeutic agents, the development of acquired resistance to BI 2536 is prone to present a significant therapeutic challenge. One of the most common mechanisms for acquired resistance in cancer chemotherapy is associated with the overexpression of ATP-binding cassette (ABC) transporters ABCB1, ABCC1 and ABCG2. Here, we discovered that overexpressing of either ABCB1 or ABCG2 is a novel mechanism of acquired resistance to BI 2536 in human cancer cells. Moreover, BI 2536 stimulates the ATPase activity of both ABCB1 and ABCG2 in a concentration-dependent manner, and inhibits the drug substrate transport mediated by these transporters. More significantly, the reduced chemosensitivity and BI 2536-mediated G2/M cell cycle arrest in cancer cells overexpressing either ABCB1 or ABCG2 can be significantly restored in the presence of selective inhibitor or other chemotherapeutic agents that also interact with ABCB1 and ABCG2, such as tyrosine kinase inhibitors nilotinib and lapatinib. Taken together, our findings indicate that in order to circumvent ABCB1 or ABCG2-mediated acquired resistance to BI 2536, a combined regimen of BI 2536 and inhibitors or clinically active drugs that potently inhibit the function of ABC drug transporters, should be considered as a potential treatment strategy in the clinic.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B
- ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism
- ATP Binding Cassette Transporter, Subfamily G, Member 2
- ATP-Binding Cassette Transporters/metabolism
- Animals
- Biological Transport/drug effects
- Cell Cycle Proteins/antagonists & inhibitors
- Cell Line, Tumor
- Dose-Response Relationship, Drug
- Drug Resistance, Multiple/drug effects
- Drug Resistance, Neoplasm/drug effects
- Drug Resistance, Neoplasm/physiology
- G2 Phase Cell Cycle Checkpoints/drug effects
- Humans
- Lapatinib
- Mice
- Neoplasm Proteins/metabolism
- Protein Kinase Inhibitors/pharmacology
- Protein Serine-Threonine Kinases/antagonists & inhibitors
- Proto-Oncogene Proteins/antagonists & inhibitors
- Pteridines/pharmacology
- Pyrimidines/pharmacology
- Quinazolines/pharmacology
- Polo-Like Kinase 1
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Affiliation(s)
- Chung-Pu Wu
- Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Tao-Yuan 333, Taiwan; Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan 333, Taiwan; Molecular Medicine Research Center, College of Medicine, Chang Gung University, Tao-Yuan 333, Taiwan.
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98
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Kaliszczak M, Patel H, Kroll SHB, Carroll L, Smith G, Delaney S, Heathcote DA, Bondke A, Fuchter MJ, Coombes RC, Barrett AGM, Ali S, Aboagye EO. Development of a cyclin-dependent kinase inhibitor devoid of ABC transporter-dependent drug resistance. Br J Cancer 2013; 109:2356-67. [PMID: 24071597 PMCID: PMC3817326 DOI: 10.1038/bjc.2013.584] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 08/30/2013] [Accepted: 09/04/2013] [Indexed: 01/15/2023] Open
Abstract
Background: Cyclin-dependent kinases (CDKs) control cell cycle progression, RNA transcription and apoptosis, making them attractive targets for anticancer drug development. Unfortunately, CDK inhibitors developed to date have demonstrated variable efficacy. Methods: We generated drug-resistant cells by continuous low-dose exposure to a model pyrazolo[1,5-a]pyrimidine CDK inhibitor and investigated potential structural alterations for optimal efficacy. Results: We identified induction of the ATP-binding cassette (ABC) transporters, ABCB1 and ABCG2, in resistant cells. Assessment of features involved in the ABC transporter substrate specificity from a compound library revealed high polar surface area (>100 Å2) as a key determinant of transporter interaction. We developed ICEC-0782 that preferentially inhibited CDK2, CDK7 and CDK9 in the nanomolar range. The compound inhibited phosphorylation of CDK substrates and downregulated the short-lived proteins, Mcl-1 and cyclin D1. ICEC-0782 induced G2/M arrest and apoptosis. The permeability and cytotoxicity of ICEC-0782 were unaffected by ABC transporter expression. Following daily oral dosing, the compound inhibited growth of human colon HCT-116 and human breast MCF7 tumour xenografts in vivo by 84% and 94%, respectively. Conclusion: We identified a promising pyrazolo[1,5-a]pyrimidine compound devoid of ABC transporter interaction, highly suitable for further preclinical and clinical evaluation for the treatment of cancer.
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Affiliation(s)
- M Kaliszczak
- Faculty of Medicine, Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, Du Cane Road, London W12 0NN, UK
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99
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Kassogue Y, Dehbi H, Nassereddine S, Quachouh M, Nadifi S. Genotype variability and haplotype frequency of MDR1 (ABCB1) gene polymorphism in Morocco. DNA Cell Biol 2013; 32:582-8. [PMID: 23930592 DOI: 10.1089/dna.2013.2108] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The multidrug resistance gene (MDR1) plays an important role in the transport of a wide range of drugs and elimination of xenobiotics from the body. Identification of polymorphisms and haplotypes in the MDR1 gene might not only help understand pharmacokinetics and pharmacodynamics of drugs, but also can help in the prediction of drug responses, toxicity, and side effects, especially, in the era of personalized medicine. We have analyzed the genotypic and haplotypic frequencies of the three most common single-nucleotide polymorphisms in the MDR1 gene in a sample of 100 unrelated healthy Moroccan subjects by polymerase chain reaction-restrictive fragment length polymorphism. The observed genotype frequencies were 43% for 1236CC, 49% for 1236CT, and 8% for 1236TT in exon 12; 49% for 2677GG, 47% for 2677GT, and 4% for 2677TT in exon 21; 39% for 3435CC, 51% 3435CT for 3435TT, and 10% for 3435TT in exon 26, respectively. We found that all polymorphisms were in Hardy-Weinberg equilibrium. Moderate linkage disequilibrium (LD) was observed between the three polymorphisms, the strongest LD in our study has been observed between C1236T and G2677T (D'=0.76; r(2)=0.45). We identified eight haplotypes, the most frequent were 1236C-2677G-3435C (53%), 1236T-2677T-3435T (21%), and 1236C-2677G-3435T (10%), respectively. Our findings might facilitate future studies on pharmacokinetics of P-glycoprotein substrate drugs and interindividual variability to drugs in Moroccan patients.
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Affiliation(s)
- Yaya Kassogue
- 1 Genetics and Molecular Pathology Laboratory, Medical School of Casablanca, University Hassan II , Casablanca, Morocco
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100
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Nieth C, Lage H. Induction of the ABC-Transporters Mdr1/P-gp (Abcb1), Mrp1 (Abcc1), and Bcrp (Abcg2) during Establishment of Multidrug Resistance Following Exposure to Mitoxantrone. J Chemother 2013; 17:215-23. [PMID: 15920909 DOI: 10.1179/joc.2005.17.2.215] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Resistance to mitoxantrone is often associated with enhanced drug efflux mediated by members of the superfamily of adenosinetriphosphate-binding cassette (ABC) transporters, i.e. MDR1/P-gp (ABCB1), MRP1 (ABCC1), or BCRP (ABCG2). So far it is unclear whether the same ABC-transporter is always activated from the beginning of mitoxantrone treatment to the end of drug exposure. Here, we demonstrate that the expression of all three extrusion pumps is induced by increasing levels of mitoxantrone resistance, but in the end, merely the overexpression of a dominant single drug transporter, i.e. Mdr1/P-gp, is realized. This upregulation of Mdr1/P-gp was reflected by amplification of the Mdr1/P-gp encoding gene. Short mitoxantrone exposure demonstrated that upregulation of two different transporters, Mdr1/P-gp and Bcrp, was induced. The data indicate that mitoxantrone treatment influences the expression of several ABC-transporters, but in the end, merely a single extrusion pump will be dominant.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily G, Member 2
- ATP-Binding Cassette Transporters/drug effects
- ATP-Binding Cassette Transporters/genetics
- Animals
- Antineoplastic Agents/pharmacology
- Blotting, Northern
- Blotting, Southern
- Blotting, Western
- Cell Line, Tumor
- Cricetinae
- Cricetulus
- DNA, Bacterial/analysis
- Drug Resistance, Neoplasm/genetics
- Female
- Flow Cytometry
- Gene Expression Regulation
- Genes, MDR/drug effects
- Genes, MDR/genetics
- Membrane Transport Proteins/drug effects
- Membrane Transport Proteins/genetics
- Mitoxantrone/pharmacology
- Neoplasm Proteins/drug effects
- Neoplasm Proteins/genetics
- Ovary/cytology
- Reverse Transcriptase Polymerase Chain Reaction
- Sensitivity and Specificity
- Up-Regulation
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Affiliation(s)
- C Nieth
- Charité Campus Mitte, Institute of Pathology, Schumannstr. 20/21, D-10117 Berlin, Germany
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