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Dakhlaoui I, Vahdati S, Maalej E, Chabchoub F, Wiese M, Marco-Contelles J, Ismaili L. Synthesis and biological assessment of new pyrimidopyrimidines as inhibitors of breast cancer resistance protein (ABCG2). Bioorg Chem 2021; 116:105326. [PMID: 34536930 DOI: 10.1016/j.bioorg.2021.105326] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/29/2021] [Accepted: 08/30/2021] [Indexed: 11/26/2022]
Abstract
Multidrug resistance constitutes a serious obstacle of the treatment success of cancer by chemotherapy. Mostly it is driven by expression of ABC transport proteins that actively efflux the anticancer agents out of the cell. This work describes the design and synthesis of 12 new pyrimidopyrimidines, as well as their inhibition of ABCG2 a transporter referred also to as breast cancer resistance protein, the selectivity versus ABCB1 (P-glycoprotein/P-gp) and ABCC1 as well as the investigation of their accumulation in single cells. From these results, N-(3,5-dimethoxyphenyl)-2-methyl-7-phenyl-5-(p-tolyl)pyrimido[4,5-d]pyrimidin-4-amine 7 h was identified as promising hit that deserves further investigation showing a selective and effective inhibition of ABCG2 with IC50 equal to 0.493 µM only 2-fold less active than Ko143.
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Affiliation(s)
- Imen Dakhlaoui
- Laboratoire de Chimie Appliquée: Hetérocycles, Corps Gras et Polymères, Faculté des Sciences de Sfax, Université de Sfax, B. P 802, 3000 Sfax, Tunisia; Laboratoire de Chimie Organique et Thérapeutique, Neurosciences intégratives et cliniques EA 481, Univ. Bourgogne Franche-Comté, UFR Santé, 19, rue Ambroise Paré, F-25000 Besançon, France
| | - Sahel Vahdati
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4 53121, Bonn, Germany
| | - Emna Maalej
- Laboratoire de Chimie Appliquée: Hetérocycles, Corps Gras et Polymères, Faculté des Sciences de Sfax, Université de Sfax, B. P 802, 3000 Sfax, Tunisia; Laboratoire Matériaux, Traitement et Analyse (LMTA), Institut National de Recherche et d'Analyse Physico-chimique Technopole, Ariana, Tunisia
| | - Fakher Chabchoub
- Laboratoire de Chimie Appliquée: Hetérocycles, Corps Gras et Polymères, Faculté des Sciences de Sfax, Université de Sfax, B. P 802, 3000 Sfax, Tunisia.
| | - Michael Wiese
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4 53121, Bonn, Germany.
| | - Jose Marco-Contelles
- Laboratory of Medicinal Chemistry (IQOG, CSIC), Juan de la Cierva, 3, 28006 Madrid, Spain
| | - Lhassane Ismaili
- Laboratoire de Chimie Organique et Thérapeutique, Neurosciences intégratives et cliniques EA 481, Univ. Bourgogne Franche-Comté, UFR Santé, 19, rue Ambroise Paré, F-25000 Besançon, France.
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2
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Zeng Y, Li Y, Yang J, Yi P, Huang L, Huang L, Gu W, Hu Z, Li Y, Yuan C, Hao X. Hypermonones A—I, New Polyprenylated Acylphloroglucinols from
Hypericum monogynum
with Multidrug Resistance Reversal Activity. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100210] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yan‐Rong Zeng
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
| | - Ya‐Nan Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
| | - Jue Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
| | - Ping Yi
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
| | - Lei Huang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
| | - Lie‐Jun Huang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
| | - Wei Gu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
| | - Zhan‐Xing Hu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
| | - Yan‐Mei Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
| | - Chun‐Mao Yuan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
| | - Xiao‐Jiang Hao
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University Guiyang Guizhou 550014 China
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang Guizhou 550014 China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences Kunming Yunnan 650201 China
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3
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Silbermann K, Stefan SM, Elshawadfy R, Namasivayam V, Wiese M. Identification of Thienopyrimidine Scaffold as an Inhibitor of the ABC Transport Protein ABCC1 (MRP1) and Related Transporters Using a Combined Virtual Screening Approach. J Med Chem 2019; 62:4383-4400. [PMID: 30925062 DOI: 10.1021/acs.jmedchem.8b01821] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A virtual screening protocol with combination of similarity search and pharmacophore modeling was applied to virtually screen a large compound library to gain new scaffolds regarding ABCC1 inhibition. Biological investigation of promising candidates revealed four compounds as ABCC1 inhibitors, three of them with scaffolds not associated with ABCC1 inhibition until now. The best hit molecule-a thienopyrimidine-was a moderately potent, competitive inhibitor of the ABCC1-mediated transport of calcein AM which also sensitized ABCC1-overexpressing cells toward daunorubicin. Further evaluation showed that it was a moderately potent, competitive inhibitor of the ABCB1-mediated transport of calcein AM, and noncompetitive inhibitor of the ABCG2-mediated pheophorbide A transport. In addition, the thienopyrimidine could also sensitize ABCB1- as well as ABCG2-overexpressing cells toward daunorubicin and SN-38, respectively, in concentration ranges that qualified it as one of the ten best triple ABCC1/ABCB1/ABCG2 inhibitors in the literature. Besides, three more new multitarget inhibitors were identified by this virtual screening approach.
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Affiliation(s)
- Katja Silbermann
- Pharmaceutical Chemistry II, Pharmaceutical Institute , Rheinische Friedrich-Wilhelms-University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany
| | - Sven Marcel Stefan
- Pharmaceutical Chemistry II, Pharmaceutical Institute , Rheinische Friedrich-Wilhelms-University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany
| | - Randa Elshawadfy
- Pharmaceutical Chemistry II, Pharmaceutical Institute , Rheinische Friedrich-Wilhelms-University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany
| | - Vigneshwaran Namasivayam
- Pharmaceutical Chemistry II, Pharmaceutical Institute , Rheinische Friedrich-Wilhelms-University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany
| | - Michael Wiese
- Pharmaceutical Chemistry II, Pharmaceutical Institute , Rheinische Friedrich-Wilhelms-University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany
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4
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Novel chalcone and flavone derivatives as selective and dual inhibitors of the transport proteins ABCB1 and ABCG2. Eur J Med Chem 2018; 164:193-213. [PMID: 30594677 DOI: 10.1016/j.ejmech.2018.12.019] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 11/25/2018] [Accepted: 12/09/2018] [Indexed: 02/05/2023]
Abstract
During cancer chemotherapy, certain cancers may become cross-resistant to structurally diverse antineoplastic agents. This so-called multidrug resistance (MDR) is highly associated with the overexpression of ATP-binding cassette (ABC) transport proteins. These membrane-bound efflux pumps export a broad range of structurally diverse endo- and xenobiotics, including chemically unrelated anticancer agents. This translocation of drugs from the inside to the outside of cancer cells is mediated at the expense of ATP. In the last 40 years, three ABC transporters - ABCB1 (P-gp), ABCC1 (MRP1), and ABCG2 (BCRP) - have mainly been attributed to the occurrence of MDR in cancer cells. One of the strategies to overcome MDR is to inhibit the efflux transporter function by small-molecule inhibitors. In this work, we investigated new chalcone- and flavone-based compounds for selective as well as broad-spectrum inhibition of the stated transport proteins. These include substituted chalcones with variations at rings A and B, and flavones with acetamido linker at position 3. The synthesized molecules were evaluated for their inhibitory potential against ABCB1, ABCC1, and ABCG2 in calcein AM and pheophorbide A assays. In further investigations with the most promising candidates from each class, we proved that ABCB1- and ABCG2-mediated MDR could be reversed by the compounds. Moreover, their intrinsic toxicity was found to be negligible in most cases. Altogether, our findings contribute to the understanding of ABC transport proteins and reveal new compounds for ongoing evaluation in the field of ABC transporter-mediated MDR.
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Krapf MK, Gallus J, Spindler A, Wiese M. Synthesis and biological evaluation of quinazoline derivatives - A SAR study of novel inhibitors of ABCG2. Eur J Med Chem 2018; 161:506-525. [PMID: 30390439 DOI: 10.1016/j.ejmech.2018.10.026] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/08/2018] [Accepted: 10/10/2018] [Indexed: 11/16/2022]
Abstract
Multidrug resistance (MDR) is a major obstacle for effective chemotherapeutic treatment of cancer frequently leading to failure of the therapy. MDR is often associated with the overexpression of ABC transport proteins like ABCB1 or ABCG2 which efflux harmful substances out of cells at the cost of ATP hydrolysis. One way to overcome MDR is to apply potent inhibitors of ABC transporters to restore the sensitivity of the cells toward cytostatic agents. This study focusses on the synthesis and evaluation of novel 2,4-disubstituted quinazoline derivatives regarding the structure-activity-relationship (SAR), their ability to reverse MDR and their mode of interaction with ABCG2. Hence, the inhibitory potency and selectivity toward ABCG2 was determined. Moreover, the intrinsic cytotoxicity and the reversal of MDR were investigated. Interaction type studies with the substrate Hoechst 33342 and conformational analyses of ABCG2 with 5D3 monoclonal antibody were performed for a better understanding of the underlying mechanisms. In our study we could further enhance the inhibitory effect against ABCG2 (compound 31, IC50: 55 nM) and identify the structural features that are crucial for inhibitory potency, the impact on transport activity and binding to the protein.
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Affiliation(s)
- Michael K Krapf
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
| | - Jennifer Gallus
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
| | - Anna Spindler
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
| | - Michael Wiese
- Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany.
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6
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Krapf MK, Gallus J, Namasivayam V, Wiese M. 2,4,6-Substituted Quinazolines with Extraordinary Inhibitory Potency toward ABCG2. J Med Chem 2018; 61:7952-7976. [PMID: 30075623 DOI: 10.1021/acs.jmedchem.8b01011] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Several members of the ABC transporter superfamily play a decisive role in the development of multidrug resistance (MDR) in cancer. One of these MDR associated efflux transporters is ABCG2. One way to overcome this MDR is the coadministration of potent inhibitors of ABCG2. In this study, we identified novel inhibitors containing a 2,4,6-substituted quinazoline scaffold. Introduction of a 6-nitro function led to extraordinarily potent compounds that were highly selective for ABCG2 and also able to reverse the MDR toward the chemotherapeutic drugs SN-38 and mitoxantrone. The binding of substrate Hoechst 33342 and the two potent inhibitors 31 and 41 which differ in their mechanism of inhibition was rationalized using the recently published cryo-EM structures of ABCG2. For a better understanding of the interaction between the inhibitors and ABCG2, additional investigations regarding the ATPase activity, the interaction with Hoechst 33342, and with the conformational sensitive 5D3 antibody were carried out.
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Affiliation(s)
- Michael K Krapf
- Pharmaceutical Institute University of Bonn An der Immenburg 4 53121 Bonn , Germany
| | - Jennifer Gallus
- Pharmaceutical Institute University of Bonn An der Immenburg 4 53121 Bonn , Germany
| | | | - Michael Wiese
- Pharmaceutical Institute University of Bonn An der Immenburg 4 53121 Bonn , Germany
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7
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Stefan SM, Wiese M. Small-molecule inhibitors of multidrug resistance-associated protein 1 and related processes: A historic approach and recent advances. Med Res Rev 2018; 39:176-264. [DOI: 10.1002/med.21510] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 04/05/2018] [Accepted: 04/28/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Sven Marcel Stefan
- Pharmaceutical Institute; Rheinische Friedrich-Wilhelms-University; Bonn Germany
| | - Michael Wiese
- Pharmaceutical Institute; Rheinische Friedrich-Wilhelms-University; Bonn Germany
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8
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Krapf MK, Gallus J, Vahdati S, Wiese M. New Inhibitors of Breast Cancer Resistance Protein (ABCG2) Containing a 2,4-Disubstituted Pyridopyrimidine Scaffold. J Med Chem 2018; 61:3389-3408. [PMID: 29547272 DOI: 10.1021/acs.jmedchem.7b01012] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Multidrug resistance (MDR) occurring during cancer chemotherapy is a major obstacle for effectiveness and response to therapy and is often caused by ATP-binding cassette (ABC) efflux transporters. Belonging to the family of ABC transporters, breast cancer resistance protein is getting more and more in the spotlight of research. As a strategy to overcome MDR, inhibitors of ABC transporters were synthesized, which could be applied in combination with cytostatic drugs. For this purpose, 2,4-disubstituted pyridopyrimidine derivatives were synthesized. The investigations confirmed three key characteristics of good inhibitors: a low intrinsic cytotoxicity and a high potency and selectivity toward ABCG2. For selected compounds the interaction with ABCG2 was elucidated and their effect on ATPase activity and conformation sensitive 5D3 antibody binding was investigated. Their ability to reverse MDR in coadministration with the active metabolite of irinotecan and mitoxantron was confirmed.
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Affiliation(s)
- Michael K Krapf
- Pharmaceutical Institute , University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany
| | - Jennifer Gallus
- Pharmaceutical Institute , University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany
| | - Sahel Vahdati
- Pharmaceutical Institute , University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany
| | - Michael Wiese
- Pharmaceutical Institute , University of Bonn , An der Immenburg 4 , 53121 Bonn , Germany
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9
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Zhang WZ, Zhang N, Sun YQ, Ding YW, Lu XB. Palladium-Catalyzed Cyclization Reaction of o-Iodoanilines, CO2, and CO: Access to Isatoic Anhydrides. ACS Catal 2017. [DOI: 10.1021/acscatal.7b03000] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Wen-Zhen Zhang
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
| | - Ning Zhang
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
| | - Yu-Qian Sun
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
| | - Yu-Wei Ding
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
| | - Xiao-Bing Lu
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, Dalian 116024, P. R. China
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Stefan K, Schmitt SM, Wiese M. 9-Deazapurines as Broad-Spectrum Inhibitors of the ABC Transport Proteins P-Glycoprotein, Multidrug Resistance-Associated Protein 1, and Breast Cancer Resistance Protein. J Med Chem 2017; 60:8758-8780. [PMID: 29016119 DOI: 10.1021/acs.jmedchem.7b00788] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
P-Glycoprotein (P-gp, ABCB1), multidrug resistance-associated protein 1 (MRP1, ABCC1), and breast cancer resistance protein (BCRP, ABCG2) are the three major ABC transport proteins conferring resistance to many structurally diverse anticancer agents, leading to the phenomenon called multidrug resistance (MDR). Much effort has been put into the development of clinically useful compounds to reverse MDR. Broad-spectrum inhibitors of ABC transport proteins can be of great use in cancers that simultaneously coexpress two or three transporters. In this work, we continued our effort to generate new, potent, nontoxic, and multiply effective inhibitors of the three major ABC transporters. The best compound was active in a very low micromolar concentration range against all three transporters and restored sensitivity toward daunorubicin (P-gp and MRP1) and SN-38 (BCRP) in A2780/ADR (P-gp), H69AR (MRP1), and MDCK II BCRP (BCRP) cells. Additionally, the compound is a noncompetitive inhibitor of daunorubicin (MRP1), calcein AM (P-gp), and pheophorbide A (BCRP) transport.
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Affiliation(s)
- Katja Stefan
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4, 53121 Bonn, Germany
| | - Sven Marcel Schmitt
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4, 53121 Bonn, Germany
| | - Michael Wiese
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4, 53121 Bonn, Germany
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Synthesis and biological investigation of 2,4-substituted quinazolines as highly potent inhibitors of breast cancer resistance protein (ABCG2). Eur J Med Chem 2017; 139:587-611. [PMID: 28841513 DOI: 10.1016/j.ejmech.2017.08.020] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 07/25/2017] [Accepted: 08/07/2017] [Indexed: 11/23/2022]
Abstract
Expression of ABCG2, a member of the ABC transporter superfamily, has been correlated to the clinical outcome of multiple cancers and is often associated with the occurrence of multidrug resistance (MDR) in chemotherapy. Inhibition of the transport protein by potent and selective inhibitors might be a way to treat cancer more efficiently and improve the therapy of cancer patients. Recently we reported the synthesis of new inhibitors based on a quinazoline scaffold. In the present study more structural variations were explored. Compounds with 3,4-dimethoxy groups and meta or para nitro substituents were found to be highly potent inhibitors of ABCG2. The most potent compound was more than five-fold more potent than Ko143, one of the best inhibitors of ABCG2. To determine the new compounds selectivity toward ABCG2 their inhibitory effects on ABCB1 and ABCC1 were also investigated identifying selective as well as broadspectrum inhibitors. Furthermore, intrinsic cytotoxicity and efficacy regarding the reversal of multidrug resistance toward SN-38 and mitoxantrone were explored. The most potent compounds were able to reverse the resistance toward the cytostatic agents with EC50 values below 20 nM. Additionally, the type of interaction between inhibitors and the ABCG2 substrate Hoechst 33342 was investigated yielding competitive and non-competitive interactions suggesting different modes of binding. Finally the effect of the derivatives on vanadate-sensitive ATPase activity of ABCG2 was determined. According to the different effects on ATPase activity we conclude the existence of different binding sites. This study provides the structural requirements for high potency inhibition and elucidates the interaction with ABCG2 setting the basis for further studies.
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12
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Krapf MK, Gallus J, Wiese M. 4-Anilino-2-pyridylquinazolines and -pyrimidines as Highly Potent and Nontoxic Inhibitors of Breast Cancer Resistance Protein (ABCG2). J Med Chem 2017; 60:4474-4495. [PMID: 28471656 DOI: 10.1021/acs.jmedchem.7b00441] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Multidrug resistance (MDR) mediated by ATP-binding cassette (ABC) transport proteins remains a major problem in the chemotherapeutic treatment of cancer and might be overcome by inhibition of the transporter. Because of the lack of understanding, the complex mechanisms involved in the transport process, in particular for breast cancer resistance protein (BCRP/ABCG2), there is a persistent need for studies of inhibitors of ABCG2. In this study, we investigated a systematic series of 4-substituted-2-pyridylquinazolines in terms of their inhibitory potency as well as selectivity toward ABCG2. For comparison, the quinazoline scaffold was reduced to the significantly smaller 4-methylpyrimidine basic structure. Furthermore, the cytotoxicity and the ability to reverse MDR was tested with the chemotherapeutic agents SN-38 and mitoxantrone (MX). Interaction of the compounds with ABCG2 was investigated by a colorimetric ATPase assay. Enzyme kinetic studies were carried out with Hoechst 33342 as fluorescent dye and substrate of ABCG2 to elucidate the compounds binding modes.
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Affiliation(s)
- Michael K Krapf
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4, 53121 Bonn, Germany
| | - Jennifer Gallus
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4, 53121 Bonn, Germany
| | - Michael Wiese
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4, 53121 Bonn, Germany
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13
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Pyrrolopyrimidine derivatives and purine analogs as novel activators of Multidrug Resistance-associated Protein 1 (MRP1, ABCC1). BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2016; 1859:69-79. [PMID: 27810353 DOI: 10.1016/j.bbamem.2016.10.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 10/26/2016] [Accepted: 10/27/2016] [Indexed: 12/18/2022]
Abstract
Multidrug resistance (MDR) is the main cause of diminished success in cancer chemotherapy. ABC transport proteins are considered to be one important factor of MDR. Besides P-glycoprotein (P-gp, ABCB1) and Breast Cancer Resistance Protein (BCRP, ABCG2), Multidrug Resistance-associated Protein 1 (MRP1, ABCC1) is associated with non-response to chemotherapy in different cancers. While considerable effort was spent in overcoming MDR during the last two decades, almost nothing is known with respect to activators of transport proteins. In this work we present certain pyrrolo[3,2-d]pyrimidine derivatives with variations at positions 4 and 5 and purine analogs with variations at position 6 as novel activators of MRP1-mediated transport of the MRP1 substrate calcein AM and the anticancer drug daunorubicin in low nanomolar concentration range. Two different MRP1 overexpressing cell lines were used, the doxorubicin-selected human lung cancer cell line H69 AR and the transfected Madin-Darby Canine Kidney cell line MDCK II MRP1. No effect was observed in the sensitive counterparts H69 and MDCK II wild type (wt). Derivatives with higher molecular weight possessed also inhibitory properties at low micromolar concentrations, although most compounds were rather poor MRP1 inhibitors. Purine analogs derived from potent MRP1 inhibitors of the pyrrolopyrimidine class showed equal activating, but no inhibiting effects at all. All tested compounds were non-toxic and had only minor impact on P-gp or BCRP, showing no inhibition or activation.
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14
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Krapf MK, Wiese M. Synthesis and Biological Evaluation of 4-Anilino-quinazolines and -quinolines as Inhibitors of Breast Cancer Resistance Protein (ABCG2). J Med Chem 2016; 59:5449-61. [PMID: 27148793 DOI: 10.1021/acs.jmedchem.6b00330] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Chemotherapeutic treatment of cancer often fails due to overexpression of the ATP-binding cassette (ABC) transport proteins, like ABCG2, triggering active efflux of various structurally unrelated drugs. This so-called multidrug resistance (MDR) may be reversed by selective, potent, and nontoxic inhibitors of ABCG2. As only a few potent inhibitors are known, new compounds based on a 4-substituted-2-phenylquinazoline scaffold were investigated. Substitution with hydroxy, cyano, nitro, acetamido, and fluoro led to high inhibitory activities toward ABCG2. The ability to reverse MDR of the most active compounds was confirmed in a MTT efficacy assay. Moreover, a negligibly low intrinsic cytotoxicity was found resulting in a high therapeutic ratio. Investigations of the inhibitory activity toward ABCB1 and ABCC1 yielded a high selectivity toward ABCG2 for the quinazoline compounds. Quinoline-based analogues showed lower inhibitory activity and selectivity. The study yielded a variety of promising compounds, some with superior properties compared to those of the standard inhibitor Ko143.
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Affiliation(s)
- Michael K Krapf
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4 53121, Bonn, Germany
| | - Michael Wiese
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4 53121, Bonn, Germany
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15
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Schmitt SM, Stefan K, Wiese M. Pyrrolopyrimidine Derivatives as Novel Inhibitors of Multidrug Resistance-Associated Protein 1 (MRP1, ABCC1). J Med Chem 2016; 59:3018-33. [PMID: 26943020 DOI: 10.1021/acs.jmedchem.5b01644] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Five series of pyrrolo[3,2-d]pyrimidines were synthesized and evaluated with respect to potency and selectivity toward multidrug resistance-associated protein 1 (MRP1, ABCC1). This transport protein is a major target to overcome multidrug resistance in cancer patients. We investigated differently substituted pyrrolopyrimidines using the doxorubicin selected and MRP1 overexpressing small cell lung cancer cell line H69 AR in a calcein AM and daunorubicin cell accumulation assay. New compounds with high potency and selectivity were identified. Piperazine residues at position 4 bearing large phenylalkyl side chains proved to be beneficial for MRP1 inhibition. Its replacement by an amino group led to decreased activity. Aliphatic and aliphatic-aromatic variations at position 5 and 6 revealed compounds with IC50 values in high nanomolar range. All investigated compounds had low affinity toward P-glycoprotein (P-gp, ABCB1). Pyrrolopyrimidines with small substituents showed moderate inhibition against breast cancer resistance protein (BCRP, ABCG2).
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Affiliation(s)
- Sven Marcel Schmitt
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4, 53121 Bonn, Germany
| | - Katja Stefan
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4, 53121 Bonn, Germany
| | - Michael Wiese
- Pharmaceutical Institute, University of Bonn , An der Immenburg 4, 53121 Bonn, Germany
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Szakács G, Hall MD, Gottesman MM, Boumendjel A, Kachadourian R, Day BJ, Baubichon-Cortay H, Di Pietro A. Targeting the Achilles heel of multidrug-resistant cancer by exploiting the fitness cost of resistance. Chem Rev 2014; 114:5753-74. [PMID: 24758331 PMCID: PMC4059772 DOI: 10.1021/cr4006236] [Citation(s) in RCA: 162] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Gergely Szakács
- Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences , Magyar tudósok körútja 2, Budapest 1117, Hungary
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Montanari F, Ecker GF. BCRP Inhibition: from Data Collection to Ligand-Based Modeling. Mol Inform 2014; 33:322-31. [DOI: 10.1002/minf.201400012] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Accepted: 02/28/2014] [Indexed: 01/16/2023]
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Orchard A, Schamerhorn GA, Calitree BD, Sawada GA, Loo TW, Bartlett MC, Clarke DM, Dettya MR. Thiorhodamines containing amide and thioamide functionality as inhibitors of the ATP-binding cassette drug transporter P-glycoprotein (ABCB1). Bioorg Med Chem 2012; 20:4290-302. [PMID: 22727780 PMCID: PMC3400123 DOI: 10.1016/j.bmc.2012.05.075] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2012] [Revised: 05/15/2012] [Accepted: 05/24/2012] [Indexed: 11/29/2022]
Abstract
Twelve thiorhodamine derivatives have been examined for their ability to stimulate the ATPase activity of purified human P-glycoprotein (P-gp)-His(10), to promote uptake of calcein AM and vinblastine into multidrug-resistant, P-gp-overexpressing MDCKII-MDR1 cells, and for their rates of transport in monolayers of multidrug-resistant, P-gp-overexpressing MDCKII-MDR1 cells. The thiorhodamine derivatives have structural diversity from amide and thioamide functionality (N,N-diethyl and N-piperidyl) at the 5-position of a 2-thienyl substituent on the thiorhodamine core and from diversity at the 3-amino substituent with N,N-dimethylamino, fused azadecalin (julolidyl), and fused N-methylcyclohexylamine (half-julolidyl) substituents. The julolidyl and half-julolidyl derivatives were more effective inhibitors of P-gp than the dimethylamino analogues. Amide-containing derivatives were transported much more rapidly than thioamide-containing derivatives.
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Affiliation(s)
- Alexandra Orchard
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000
| | - Gregory A. Schamerhorn
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000
| | - Brandon D. Calitree
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000
| | - Geri A. Sawada
- Drug Disposition, Eli Lilly and Company, Indianapolis, Indiana 46285
| | - Tip W. Loo
- Department of Medicine and Department of Biochemistry, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - M. Claire Bartlett
- Department of Medicine and Department of Biochemistry, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - David M. Clarke
- Department of Medicine and Department of Biochemistry, University of Toronto, Toronto, Ontario M5S 1A8, Canada
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19
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Exploring a sulfone linker utilizing trimethyl aluminum as a cleavage reagent: solid-phase synthesis of sulfonamides and ureas. Mol Divers 2012; 16:463-76. [DOI: 10.1007/s11030-012-9380-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Accepted: 06/05/2012] [Indexed: 01/04/2023]
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20
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Ebert SP, Wetzel B, Myette RL, Conseil G, Cole SPC, Sawada GA, Loo TW, Bartlett MC, Clarke DM, Detty MR. Chalcogenopyrylium Compounds as Modulators of the ATP-Binding Cassette Transporters P-Glycoprotein (P-gp/ABCB1) and Multidrug Resistance Protein 1 (MRP1/ABCC1). J Med Chem 2012; 55:4683-99. [DOI: 10.1021/jm3004398] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sean P. Ebert
- Department
of Chemistry, University at Buffalo, The State University of New York,
Buffalo, New York 14260-3000, United States
| | - Bryan Wetzel
- Department
of Chemistry, University at Buffalo, The State University of New York,
Buffalo, New York 14260-3000, United States
| | - Robert L. Myette
- Department of Pathology & Molecular Medicine, Division of Cancer Biology & Genetics, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Gwenaëlle Conseil
- Department of Pathology & Molecular Medicine, Division of Cancer Biology & Genetics, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Susan P. C. Cole
- Department of Pathology & Molecular Medicine, Division of Cancer Biology & Genetics, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Geri A. Sawada
- Drug Disposition, Eli Lilly and Company, Indianapolis, Indiana 46285,
United States
| | - Tip W. Loo
- Department
of Medicine and Department of Biochemistry, University of Toronto,
Toronto, Ontario M5S 1A8, Canada
| | - M. Claire Bartlett
- Department
of Medicine and Department of Biochemistry, University of Toronto,
Toronto, Ontario M5S 1A8, Canada
| | - David M. Clarke
- Department
of Medicine and Department of Biochemistry, University of Toronto,
Toronto, Ontario M5S 1A8, Canada
| | - Michael R. Detty
- Department
of Chemistry, University at Buffalo, The State University of New York,
Buffalo, New York 14260-3000, United States
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23
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Analogs of a 4-aminothieno[2,3-d]pyrimidine lead (QB13) as modulators of P-glycoprotein substrate specificity. Bioorg Med Chem Lett 2009; 19:6102-5. [DOI: 10.1016/j.bmcl.2009.09.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2009] [Revised: 09/02/2009] [Accepted: 09/05/2009] [Indexed: 12/27/2022]
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