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Julson JR, Quinn CH, Nazam N, Bownes LV, Stewart JE, Beierle EA. PIM Kinase Inhibition Sensitizes Neuroblastoma to Doxorubicin. J Pediatr Surg 2024:S0022-3468(24)00165-9. [PMID: 38570263 DOI: 10.1016/j.jpedsurg.2024.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 03/01/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Chemoresistance contributes to relapse in high-risk neuroblastoma. Cancer cells acquire resistance through multiple mechanisms, including drug efflux pumps. In neuroblastoma, multidrug resistance-associated protein-1 (MRP1/ABCC1) efflux pump expression correlates with worse outcomes. These pumps are regulated by PIM kinases, a family of serine-threonine kinases, overexpressed in neuroblastoma. We hypothesized PIM kinase inhibition would sensitize neuroblastoma cells by modulating MRP1. METHODS Kocak database query evaluated ABCC1, PIM1, PIM2, and PIM3 expression in neuroblastoma patients. SK-N-AS and SK-N-BE(2) cells were treated with doxorubicin or the pan-PIM kinase inhibitor, AZD1208. Flow cytometry assessed intracellular doxorubicin accumulation. AlamarBlue assay measured viability. The lethal dose 50% (LD50) of each drug and combination indices (CI) were calculated and isobolograms constructed to determine synergy. RESULTS Kocak database query demonstrated positive correlation between PIM genes and ABCC1. PIM kinase inhibition increased intracellular doxorubicin accumulation in both cell lines, suggesting PIM kinase regulation of MRP1. Isobolograms showed synergy between AZD1208 and doxorubicin. CONCLUSIONS The correlation between PIM and ABCC1 gene expression suggests PIM kinases may contribute to neuroblastoma chemotherapeutic resistance. PIM kinase inhibition increased intracellular doxorubicin accumulation. Combination treatment with AZD1208 and doxorubicin decreased neuroblastoma cell viability in a synergistic fashion. These findings support further investigations of PIM kinase inhibition in neuroblastoma. TYPE OF STUDY Basic Science Research. LEVEL OF EVIDENCE NA.
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Affiliation(s)
- Janet R Julson
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Colin H Quinn
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Nazia Nazam
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Laura V Bownes
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Jerry E Stewart
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Elizabeth A Beierle
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
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Okamura T, Kikuchi T, Ogawa M, Zhang MR. Improved synthesis of 6-bromo-7-[ 11C]methylpurine for clinical use. EJNMMI Radiopharm Chem 2024; 9:10. [PMID: 38334858 PMCID: PMC10857989 DOI: 10.1186/s41181-024-00240-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 01/25/2024] [Indexed: 02/10/2024] Open
Abstract
BACKGROUND Multidrug resistance-associated protein 1 (MRP1), an energy-dependent efflux pump, is expressed widely in various tissues and contributes to many physiological and pathophysiological processes. 6-Bromo-7-[11C]methylpurine ([11C]7m6BP) is expected to be useful for the assessment of MRP1 activity in the human brain and lungs. However, the radiochemical yield (RCY) in the synthesis of [11C]7m6BP was low, limiting its clinical application, because the methylation of the precursor with [11C]CH3I provided primarily the undesired isomer, 6-bromo-9-[11C]methylpurine ([11C]9m6BP). To increase the RCY of [11C]7m6BP, we investigated conditions for improving the [11C]7m6BP/[11C]9m6BP selectivity of the methylation reaction. RESULTS [11C]7m6BP was manually synthesized via the methylation of 6-bromopurine with [11C]CH3I in various solvents and at different temperatures in the presence of potassium carbonate for 5 min. Several less polar solvents, including tetrahydrofuran (THF), 2-methyltetrahydrofuran (2-MeTHF), and ethyl acetate (AcOEt) improved the [11C]7m6BP/[11C]9m6BP selectivity from 1:1 to 2:1, compared with the conventionally used solvents for the alkylation of 6-halopurines, acetone, acetonitrile, and N,N-dimethylformamide. However, a higher temperature (140 °C or 180 °C) was needed to progress the 11C-methylation in the less polar solvents, and the manual conditions could not be directly translated to an automated synthesis. [11C]Methyl triflate ([11C]CH3OTf) was thus used as a methylating agent to increase the conversion at a lower temperature. The 11C-methylation using [11C]CH3OTf at 100 °C proceeded efficiently in THF, 2-MeTHF, and AcOEt with maintenance of the improved selectivity. Starting from 28 to 34 GBq [11C]CO2, [11C]7m6BP was produced with 2.3-2.6 GBq for THF, 2.7-3.3 GBq for AcOEt, and 2.8-3.9 GBq for 2-MeTHF at approximately 30 min after the end of bombardment (n = 3 per solvent). The isolated RCYs (decay corrected) for THF, 2-MeTHF, and AcOEt were 24-28%, 29-35%, and 22-31% (n = 3), respectively. CONCLUSIONS The use of THF, 2-MeTHF, and AcOEt improved the [11C]7m6BP/[11C]9m6BP selectivity in the methylation reaction, and the improved method provided [11C]7m6BP with sufficient radioactivity for clinical use.
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Affiliation(s)
- Toshimitsu Okamura
- Department of Advanced Nuclear Medicine Sciences, Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, 263-8555, Japan.
| | - Tatsuya Kikuchi
- Department of Advanced Nuclear Medicine Sciences, Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, 263-8555, Japan
| | - Masanao Ogawa
- Department of Advanced Nuclear Medicine Sciences, Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, 263-8555, Japan
- SHI Accelerator Service, Ltd., 7-1-1 Nishigotanda, Shinagawa-ku, Tokyo, 141-0031, Japan
| | - Ming-Rong Zhang
- Department of Advanced Nuclear Medicine Sciences, Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, 263-8555, Japan
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Thomas JR, Frye WJE, Robey RW, Gottesman MM. Progress in characterizing ABC multidrug transporters in zebrafish. Drug Resist Updat 2024; 72:101035. [PMID: 38141369 PMCID: PMC10843779 DOI: 10.1016/j.drup.2023.101035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 12/25/2023]
Abstract
Zebrafish have proved to be invaluable for modeling complex physiological processes shared by all vertebrate animals. Resistance of cancers and other diseases to drug treatment can occur owing to expression of the ATP-dependent multidrug transporters ABCB1, ABCG2, and ABCC1, either because of expression of these transporters by the target cells to reduce intracellular concentrations of cytotoxic drugs at barrier sites such as the blood-brain barrier (BBB) to limit penetration of drugs into privileged compartments, or by affecting the absorption, distribution, and excretion of drugs administered orally, through the skin, or directly into the bloodstream. We describe the drug specificity, cellular localization, and function of zebrafish orthologs of multidrug resistance ABC transporters with the goal of developing zebrafish models to explore the physiological and pathophysiological functions of these transporters. Finally, we provide context demonstrating the utility of zebrafish in studying cancer drug resistance. Our ultimate goal is to improve treatment of cancer and other diseases which are affected by ABC multidrug resistance transporters.
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Affiliation(s)
- Joanna R Thomas
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - William J E Frye
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Robert W Robey
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Michael M Gottesman
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
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Shahpouri P, Mehralitabar H, Kheirabadi M, Kazemi Noureini S. Potential suppression of multidrug-resistance-associated protein 1 by coumarin derivatives: an insight from molecular docking and MD simulation studies. J Biomol Struct Dyn 2023:1-17. [PMID: 37667877 DOI: 10.1080/07391102.2023.2250456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 08/15/2023] [Indexed: 09/06/2023]
Abstract
Human MRP1 protein plays a vital role in cancer multidrug resistance. Coumarins show promising pharmacological properties. Virtual screening, ADMET, molecular docking and molecular dynamics (MD) simulations were utilized as pharmacoinformatic tools to identify potential MRP1 inhibitors among coumarin derivatives. Using in silico ADMET, 50 hits were further investigated for their selectivity toward the nucleotide-binding domains (NBDs) of MRP1 using molecular docking. Accordingly, coumarin, its symmetrical ketone derivative Lig. No. 4, and Reversan were candidates for focused docking study with the NBDs domains compared with ATP. The result indicates that Lig. No. 4, with the best binding score, interacts with NBDs via hydrogen bonds with residues: GLN713, LYS684, GLY683, CYS682 in NBD1, and GLY1432, GLY771, SER769 and GLN1374 in NBD2, which mostly overlap with ATP binding residues. Moreover, doxorubicin (Doxo) was docked to the transmembrane domains (TMDs) active site of MRP1. Doxo interaction with TMDs was subjected to MD simulation in the NBDs free and occupied with Lig. No. 4 states. The results showed that Doxo interacts more strongly with TMD residues in inward facing feature of TMDs helices. However, when Lig. No. 4 exists in NBDs, Doxo interactions are different, and TMD helices show more outward-facing conformation. This result may suggest a partial competitive inhibition mechanism for the Lig. No. 4 on MRP1 compared with ATP. So, it may inhibit active complex formation by interfering with ATP entrance to NBDs and locking MRP1 conformation in outward-facing mode. This study suggests a valuable coumarin derivative that can be further investigated for potent MRP1 inhibitors.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Parisa Shahpouri
- Department of Biology, Faculty of Science, Hakim Sabzevari University, Sabzevar, Iran
| | - Havva Mehralitabar
- Department of Biology, Faculty of Science, Hakim Sabzevari University, Sabzevar, Iran
| | - Mitra Kheirabadi
- Department of Biology, Faculty of Science, Hakim Sabzevari University, Sabzevar, Iran
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Sun J, Zhang H, Li L, Yu L, Fu L. [Retracted] MicroRNA‑9 limits hepatic fibrosis by suppressing the activation and proliferation of hepatic stellate cells by directly targeting MRP1/ABCC1. Oncol Rep 2023; 50:153. [PMID: 37350411 DOI: 10.3892/or.2023.8590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2016] [Accepted: 10/17/2016] [Indexed: 06/24/2023] Open
Abstract
Following the publication of this article, a concerned reader drew to our attention that in Fig. 5C on p. 1704, showing histological images of mouse livers stained with H&E, unexpected areas of similarity were identified in terms of the staining patterns revealed within the data panels themselves. After having conducted an internal investigation, the Editor of Oncology Reports has reached the conclusion that the overlapping portions of data shown in this figure were unlikely to have arisen by coincidence. Therefore, on the grounds of a lack of confidence in the integrity of these data, the Editor has decided that the article should be retracted from the publication. The authors were asked for an explanation to account for these concerns, but the Editorial Office did not receive any reply. The Editor apologizes to the readership for any inconvenience caused, and thanks the interested reader for drawing this matter to our attention. [Oncology Reports 37: 1698‑1706, 2017; DOI: 10.3892/or.2017.5382].
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Affiliation(s)
- Jie Sun
- Department of Traditional Chinese Medicine, Shandong Medical College, Linyi, Shandong 276000, P.R. China
| | - Huanying Zhang
- Department of Respiration, Affiliated Hospital of Shandong Medical College, Linyi, Shandong 276000, P.R. China
| | - Liying Li
- Department of Rehabilitation Medicine, Shandong Medical College, Linyi, Shandong 276000, P.R. China
| | - Lianfeng Yu
- Department of Anatomy, Shandong Medical College, Linyi, Shandong 276000, P.R. China
| | - Lifang Fu
- Department of Respiration, Chinese Medicine Hospital of Linyi City, Linyi, Shandong 276000, P.R. China
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Badiee SA, Isu UH, Khodadadi E, Moradi M. The Alternating Access Mechanism in Mammalian Multidrug Resistance Transporters and Their Bacterial Homologs. Membranes (Basel) 2023; 13:568. [PMID: 37367772 DOI: 10.3390/membranes13060568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 05/23/2023] [Accepted: 05/27/2023] [Indexed: 06/28/2023]
Abstract
Multidrug resistance (MDR) proteins belonging to the ATP-Binding Cassette (ABC) transporter group play a crucial role in the export of cytotoxic drugs across cell membranes. These proteins are particularly fascinating due to their ability to confer drug resistance, which subsequently leads to the failure of therapeutic interventions and hinders successful treatments. One key mechanism by which multidrug resistance (MDR) proteins carry out their transport function is through alternating access. This mechanism involves intricate conformational changes that enable the binding and transport of substrates across cellular membranes. In this extensive review, we provide an overview of ABC transporters, including their classifications and structural similarities. We focus specifically on well-known mammalian multidrug resistance proteins such as MRP1 and Pgp (MDR1), as well as bacterial counterparts such as Sav1866 and lipid flippase MsbA. By exploring the structural and functional features of these MDR proteins, we shed light on the roles of their nucleotide-binding domains (NBDs) and transmembrane domains (TMDs) in the transport process. Notably, while the structures of NBDs in prokaryotic ABC proteins, such as Sav1866, MsbA, and mammalian Pgp, are identical, MRP1 exhibits distinct characteristics in its NBDs. Our review also emphasizes the importance of two ATP molecules for the formation of an interface between the two binding sites of NBD domains across all these transporters. ATP hydrolysis occurs following substrate transport and is vital for recycling the transporters in subsequent cycles of substrate transportation. Specifically, among the studied transporters, only NBD2 in MRP1 possesses the ability to hydrolyze ATP, while both NBDs of Pgp, Sav1866, and MsbA are capable of carrying out this reaction. Furthermore, we highlight recent advancements in the study of MDR proteins and the alternating access mechanism. We discuss the experimental and computational approaches utilized to investigate the structure and dynamics of MDR proteins, providing valuable insights into their conformational changes and substrate transport. This review not only contributes to an enhanced understanding of multidrug resistance proteins but also holds immense potential for guiding future research and facilitating the development of effective strategies to overcome multidrug resistance, thus improving therapeutic interventions.
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Affiliation(s)
- Shadi A Badiee
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR 72701, USA
| | - Ugochi H Isu
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR 72701, USA
| | - Ehsaneh Khodadadi
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR 72701, USA
| | - Mahmoud Moradi
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR 72701, USA
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Nasyrova RF, Shnayder NA, Osipova SM, Khasanova AK, Efremov IS, Al-Zamil M, Petrova MM, Narodova EA, Garganeeva NP, Shipulin GA. Genetic Predictors of Antipsychotic Efflux Impairment via Blood-Brain Barrier: Role of Transport Proteins. Genes (Basel) 2023; 14:genes14051085. [PMID: 37239445 DOI: 10.3390/genes14051085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/08/2023] [Accepted: 05/13/2023] [Indexed: 05/28/2023] Open
Abstract
Antipsychotic (AP)-induced adverse drug reactions (ADRs) are a current problem of biological and clinical psychiatry. Despite the development of new generations of APs, the problem of AP-induced ADRs has not been solved and continues to be actively studied. One of the important mechanisms for the development of AP-induced ADRs is a genetically-determined impairment of AP efflux across the blood-brain barrier (BBB). We present a narrative review of publications in databases (PubMed, Springer, Scopus, Web of Science E-Library) and online resources: The Human Protein Atlas; GeneCards: The Human Gene Database; US National Library of Medicine; SNPedia; OMIM Online Mendelian Inheritance in Man; The PharmGKB. The role of 15 transport proteins involved in the efflux of drugs and other xenobiotics across cell membranes (P-gp, TAP1, TAP2, MDR3, BSEP, MRP1, MRP2, MRP3, MRP4, MRP5, MRP6, MRP7, MRP8, MRP9, BCRP) was analyzed. The important role of three transporter proteins (P-gp, BCRP, MRP1) in the efflux of APs through the BBB was shown, as well as the association of the functional activity and expression of these transport proteins with low-functional and non-functional single nucleotide variants (SNVs)/polymorphisms of the ABCB1, ABCG2, ABCC1 genes, encoding these transport proteins, respectively, in patients with schizophrenia spectrum disorders (SSDs). The authors propose a new pharmacogenetic panel "Transporter protein (PT)-Antipsychotic (AP) Pharmacogenetic test (PGx)" (PTAP-PGx), which allows the evaluation of the cumulative contribution of the studied genetic biomarkers of the impairment of AP efflux through the BBB. The authors also propose a riskometer for PTAP-PGx and a decision-making algorithm for psychiatrists. Conclusions: Understanding the role of the transportation of impaired APs across the BBB and the use of genetic biomarkers for its disruption may make it possible to reduce the frequency and severity of AP-induced ADRs, since this risk can be partially modified by the personalized selection of APs and their dosing rates, taking into account the genetic predisposition of the patient with SSD.
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Affiliation(s)
- Regina F Nasyrova
- Institute of Personalized Psychiatry and Neurology, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, Saint-Petersburg 192019, Russia
- International Centre for Education and Research in Neuropsychiatry, Samara State Medical University, Samara 443016, Russia
| | - Natalia A Shnayder
- Institute of Personalized Psychiatry and Neurology, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, Saint-Petersburg 192019, Russia
- Shared Core Facilities "Molecular and Cell Technologies", V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk 660022, Russia
| | - Sofia M Osipova
- Institute of Personalized Psychiatry and Neurology, V.M. Bekhterev National Medical Research Centre for Psychiatry and Neurology, Saint-Petersburg 192019, Russia
| | - Aiperi K Khasanova
- Department of Psychiatry, Russian Medical Academy for Continual Professional Education, Moscow 125993, Russia
| | - Ilya S Efremov
- Department of Psychiatry and Addiction, Bashkir State Medical University, Ufa 450008, Russia
| | - Mustafa Al-Zamil
- Department of Physiotherapy, Faculty of Continuing Medical Education, Peoples' Friendship University of Russia, Moscow 117198, Russia
| | - Marina M Petrova
- Shared Core Facilities "Molecular and Cell Technologies", V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk 660022, Russia
| | - Ekaterina A Narodova
- Shared Core Facilities "Molecular and Cell Technologies", V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, Krasnoyarsk 660022, Russia
| | - Natalia P Garganeeva
- Department of General Medical Practice and Outpatient Therapy, Siberian State Medical University, Tomsk 634050, Russia
| | - German A Shipulin
- Centre for Strategic Planning and Management of Biomedical Health Risks Management, Moscow 119121, Russia
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da Costa KM, Freire-de-Lima L, da Fonseca LM, Previato JO, Mendonça-Previato L, Valente RDC. ABCB1 and ABCC1 Function during TGF-β-Induced Epithelial-Mesenchymal Transition: Relationship between Multidrug Resistance and Tumor Progression. Int J Mol Sci 2023; 24:ijms24076046. [PMID: 37047018 PMCID: PMC10093952 DOI: 10.3390/ijms24076046] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/17/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Multidrug resistance (MDR) and induction of metastasis are some of the puzzles encountered during cancer chemotherapy. The MDR phenotype is associated with overexpression of ABC transporters, involved in drug efflux. Metastasis originates from the epithelial-mesenchymal transition (EMT), in which cells acquire a migratory phenotype, invading new tissues. ABC transporters' role during EMT is still elusive, though cells undergoing EMT exhibit enhanced ABCB1 expression. We demonstrated increased ABCB1 expression but no change in activity after TGF-β-induced EMT in A549 cells. Moreover, ABCB1 inhibition by verapamil increased snail and fibronectin expression, an event associated with upregulation of ABCB1, evidencing coincident cell signaling pathways leading to ABCB1 and EMT-related markers transcription, rather than a direct effect of transport. Additionally, for the first time, increased ABCC1 expression and activity was observed after EMT, and use of ABCC1 inhibitors partially inhibited EMT-marker snail, although increased ABCC1 function translated into collateral sensibility to daunorubicin. More investigations must be done to evaluate the real benefits that the gain of ABC transporters might have on the process of metastasis. Considering ABCC1 is involved in the stress response, affecting intracellular GSH content and drug detoxification, this transporter could be used as a therapeutic target in cancer cells undergoing EMT.
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Affiliation(s)
- Kelli Monteiro da Costa
- Laboratório de Glicobiologia, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Leonardo Freire-de-Lima
- Laboratório de Biologia Celular de Glicoconjugados, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Leonardo Marques da Fonseca
- Laboratório de Glicobiologia, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - José Osvaldo Previato
- Laboratório de Glicobiologia, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Lucia Mendonça-Previato
- Laboratório de Glicobiologia, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Raphael do Carmo Valente
- Núcleo Multidisciplinar de Pesquisa em Biologia (Numpex-Bio), Campus Duque de Caxias Professor Geraldo Cidade, Duque de Caxias, Universidade Federal do Rio de Janeiro, Rio de Janeiro 25250-470, Brazil
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Wang Z, Hu Y, Xue Y, Wu Y, Zeng Q, Chen H, Guo Y, Liang P, Liang T, Shen C, Jiang C, Liu L, Shen Q, Zhu H, Liu Q. 4'-OH as the Action Site of Lipids and MRP1 for Enhanced Transdermal Delivery of Flavonoids. ACS Appl Mater Interfaces 2023. [PMID: 36913526 DOI: 10.1021/acsami.2c18086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
To date, the transdermal delivery study mainly focused on the drug delivery systems' design and efficacy evaluation. Few studies reported the structure-affinity relationship of the drug with the skin, further revealing the action sites of the drugs for enhanced permeation. Flavonoids attained a considerable interest in transdermal administration. The aim is to develop a systematic approach to evaluate the substructures that were favorable for flavonoid delivery into the skin and understand how these action sites interacted with lipids and bound to multidrug resistance protein 1 (MRP1) for enhanced transdermal delivery. First, we investigated the permeation properties of various flavonoids on the porcine skin or rat skin. We found that 4'-OH (hydroxyl group on the carbon 4' position) rather than 7-OH on the flavonoids was the key group for flavonoid permeation and retention, while 4'-OCH3 and -CH2═CH2-CH-(CH3)2 were unfavorable for drug delivery. 4'-OH could decrease flavonoids' lipophilicity to an appropriate log P and polarizability for better transdermal drug delivery. In the stratum corneum, flavonoids used 4'-OH as a hand to specifically grab the C═O group of the ceramide NS (Cer), which increased the miscibility of flavonoids and Cer and then disturbed the lipid arrangement of Cer, thereby facilitating their penetration. Subsequently, we constructed overexpressed MRP1 HaCaT/MRP1 cells by permanent transfection of human MRP1 cDNA in wild HaCaT cells. In the dermis, we observed that 4'-OH, 7-OH, and 6-OCH3 substructures were involved in H-bond formation within MRP1, which increased the flavonoid affinity with MRP1 and flavonoid efflux transport. Moreover, the expression of MRP1 was significantly enhanced after the treatment of flavonoids on the rat skin. Collectively, 4'-OH served as the action site for increased lipid disruption and enhanced affinity for MRP1, which facilitate the transdermal delivery of flavonoids, providing valuable guidelines for molecular modification and drug design of flavonoids.
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Affiliation(s)
- Zhuxian Wang
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Yi Hu
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Yaqi Xue
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Yufan Wu
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Quanfu Zeng
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Hongkai Chen
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Yinglin Guo
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Peiyi Liang
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Tao Liang
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Chunyan Shen
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Cuiping Jiang
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Li Liu
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Qun Shen
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Hongxia Zhu
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
| | - Qiang Liu
- School of Traditional Chinese Medicine, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou 510515, China
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10
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Carrera-Martínez M, Mora-García MDL, García-Rocha R, Weiss-Steider B, Montesinos-Montesinos JJ, Hernández-Montes J, Don-López CA, Monroy-García A. Inhibition of CD73 expression or A2AR blockade reduces MRP1 expression and increases the sensitivity of cervical cancer cells to cisplatin. Cell Biochem Funct 2023; 41:321-330. [PMID: 36846868 DOI: 10.1002/cbf.3784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/10/2023] [Accepted: 02/14/2023] [Indexed: 03/01/2023]
Abstract
Recently, a link between the biological activity of CD73 in solid tumors and multidrug resistance protein (MRP) has been proposed. Cisplatin (CP) is the most widely used anticancer agent to treat advanced and recurrent cervical cancer (CC). However, multidrug resistance protein-1 (MRP1) is overexpressed in approximately 85% of these tumors and has been strongly associated with cisplatin resistance (CPR). In this study, we examine the involvement of CD73 and the interaction of adenosine (ADO) with its receptors (ARs) in MRP1 expression in CC cells. We found that ADO positively modulates MRP1 expression in CC cells in a dose-dependent manner. The inhibition of CD73 expression with a CD73-targeted siRNA and A2AR blockade with the selective antagonist ZM241385 significantly decreased MRP1 expression and the extrusive capacity of CC cells, making them significantly more sensitive to CP treatment than cancer cells treated with MK-751, a specific MRP1 inhibitor. These results suggest CD73 inhibition or blocking ADO signaling through A2AR could be strategies to reverse CPR in patients with advanced or recurrent CC, which is characterized by very low response rates to CP (10%-20%).
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Affiliation(s)
- Monserrat Carrera-Martínez
- Laboratorio de Inmunología y Cáncer, Unidad de Investigación Médica en Enfermedades Oncológicas, CMN SXXI, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico.,Programa de Posgrado en Ciencias Biológicas, UNAM, Ciudad de México, Mexico.,Doctorate Scholarship No. 579767 from CONACyT, Ciudad de México, Mexico
| | - María de L Mora-García
- Laboratorio de Inmunobiología, Unidad de Investigación en Diferenciación Celular y Cáncer-UMIEZ, FES-Zaragoza, UNAM, Ciudad de México, Mexico
| | - Rosario García-Rocha
- Laboratorio de Inmunobiología, Unidad de Investigación en Diferenciación Celular y Cáncer-UMIEZ, FES-Zaragoza, UNAM, Ciudad de México, Mexico
| | - Benny Weiss-Steider
- Laboratorio de Inmunobiología, Unidad de Investigación en Diferenciación Celular y Cáncer-UMIEZ, FES-Zaragoza, UNAM, Ciudad de México, Mexico
| | - Juan J Montesinos-Montesinos
- Laboratorio de Células Troncales Mesenquimales, Unidad de Investigación Médica en Enfermedades Oncológicas, CMN SXXI, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
| | - Jorge Hernández-Montes
- Laboratorio de Inmunobiología, Unidad de Investigación en Diferenciación Celular y Cáncer-UMIEZ, FES-Zaragoza, UNAM, Ciudad de México, Mexico
| | - Christian A Don-López
- Laboratorio de Inmunobiología, Unidad de Investigación en Diferenciación Celular y Cáncer-UMIEZ, FES-Zaragoza, UNAM, Ciudad de México, Mexico
| | - Alberto Monroy-García
- Laboratorio de Inmunología y Cáncer, Unidad de Investigación Médica en Enfermedades Oncológicas, CMN SXXI, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico.,Laboratorio de Inmunobiología, Unidad de Investigación en Diferenciación Celular y Cáncer-UMIEZ, FES-Zaragoza, UNAM, Ciudad de México, Mexico
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11
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Pote MS, Gacche RN. ATP-binding cassette efflux transporters and MDR in cancer. Drug Discov Today 2023;:103537. [PMID: 36801375 DOI: 10.1016/j.drudis.2023.103537] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 01/27/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023]
Abstract
Of the many known multidrug resistance (MDR) mechanisms, ATP-binding cassette (ABC) transporters expelling drug molecules out of cells is a major factor limiting the efficacy of present-day anticancer drugs. In this review, we highlights updated information on the structure, function, and regulatory mechanisms of major MDR-related ABC transporters, such as P-glycoprotein (P-gp), multidrug resistance protein 1 (MRP1), and breast cancer resistance protein (BCRP), and the effect of modulators on their functions. We also provide focused information on different modulators of ABC transporters that could be utilized against the emerging MDR crisis in cancer treatment. Finally, we discuss the importance of ABC transporters as therapeutic targets in light of future strategic planning for translating ABC transporter inhibitors into clinical practice.
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12
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Tawfik SA, Awad ET, Abu Bakr HO, Ahmed IM, Ashour E, Gamal-Eldeen AM. Chia Seeds Oil Suppresses the Resistance of Hepatocellular Carcinoma Cells to Liposomal-doxorubicin and Upregulates the Tumor Suppressor miRNAs. Curr Pharm Biotechnol 2023; 24:570-578. [PMID: 36154592 DOI: 10.2174/1389201023666220921125258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 07/29/2022] [Accepted: 08/14/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Chia seed is an oil seed with multiple biological activities. Doxorubicin is effective chemotherapy for liver cancer. Resistance and adverse effects are doxorubicin limitations. OBJECTIVE This study aimed to investigate the effect of chia seeds oil (CSO) on the resistance of HepG2 cells to liposomal-doxorubicin (DOX). METHODS The objective were investigated through measuring cytotoxicity, doxorubicin-metabolizing enzyme Cytochrome P450 3A4 (CYP-3A4), multidrug resistance-associated protein (MRP1), and the expression of multiple tumor suppressor microRNAs. RESULTS The findings indicated that low concentration of CSO increased HepG2 cells' sensitivity to DOX, as concluded from its higher cytotoxicity. DOX-induced mRNAs of CYP-3A4 and MRP1 and their protein levels. CSO inhibited both in DOX-treated cells. CSO-induced tumor suppressor miRNAs. Doxorubicin inhibited miR-122 and let-7/b/e expression, while it led to overexpression of let- 7a. CSO/DOX upregulated let-7/b/e, miR-34a, and miR-122 (which inhibits MRP1) and downregulated let-7a, which may lead to increased apoptosis. CONCLUSION CSO effectively re-sensitized HepG2 cells to liposomal-doxorubicin via inhibiting MRP1 and CYP-3A4, which may increase in vivo doxorubicin bioavailability and decrease its therapeutic dose to diminish its adverse effects.
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Affiliation(s)
- Shaimaa A Tawfik
- Biochemistry Department, National Research Centre, 33 El Buhouth St., Dokki, 12622, Giza, Egypt.,Cancer Biology and Genetics Laboratory, Centre of Excellence for Advanced Sciences, National Research Centre, 33 El Buhouth St. Dokki, 12622, Giza, Egypt
| | - Els T Awad
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - Hoda O Abu Bakr
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - Ismail M Ahmed
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - Esmat Ashour
- Biochemistry Department, National Research Centre, 33 El Buhouth St., Dokki, 12622, Giza, Egypt
| | - Amira M Gamal-Eldeen
- Clinical Laboratory Sciences Department, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
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13
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Maltbaek JH, Cambier S, Snyder JM, Stetson DB. ABCC1 transporter exports the immunostimulatory cyclic dinucleotide cGAMP. Immunity 2022; 55:1799-1812.e4. [PMID: 36070769 PMCID: PMC9561016 DOI: 10.1016/j.immuni.2022.08.006] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/06/2022] [Accepted: 08/10/2022] [Indexed: 11/05/2022]
Abstract
The DNA sensor cyclic GMP-AMP synthase (cGAS) is important for antiviral and anti-tumor immunity. cGAS generates cyclic GMP-AMP (cGAMP), a diffusible cyclic dinucleotide that activates the antiviral response through the adaptor protein stimulator of interferon genes (STING). cGAMP cannot passively cross cell membranes, but recent advances have established a role for extracellular cGAMP as an "immunotransmitter" that can be imported into cells. However, the mechanism by which cGAMP exits cells remains unknown. Here, we identifed ABCC1 as a direct, ATP-dependent cGAMP exporter in mouse and human cells. We show that ABCC1 overexpression enhanced cGAMP export and limited STING signaling and that loss of ABCC1 reduced cGAMP export and potentiated STING signaling. We demonstrate that ABCC1 deficiency exacerbated cGAS-dependent autoimmunity in the Trex1-/- mouse model of Aicardi-Goutières syndrome. Thus, ABCC1-mediated cGAMP export is a key regulatory mechanism that limits cell-intrinsic activation of STING and ameliorates STING-dependent autoimmune disease.
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Affiliation(s)
- Joanna H Maltbaek
- Departments of Immunology and Medicine, University of Washington School of Medicine, Seattle, WA 98109, USA
| | - Stephanie Cambier
- Departments of Immunology and Medicine, University of Washington School of Medicine, Seattle, WA 98109, USA
| | - Jessica M Snyder
- Department of Comparative Medicine, University of Washington School of Medicine, Seattle, WA 98195, USA
| | - Daniel B Stetson
- Departments of Immunology and Medicine, University of Washington School of Medicine, Seattle, WA 98109, USA.
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14
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Ashar Y, Teng Q, Wurpel JND, Chen ZS, Reznik SE. Palmitic Acid Impedes Extravillous Trophoblast Activity by Increasing MRP1 Expression and Function. Biomolecules 2022; 12:1162. [PMID: 36009056 PMCID: PMC9406058 DOI: 10.3390/biom12081162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/19/2022] [Accepted: 08/20/2022] [Indexed: 12/05/2022] Open
Abstract
Normal function of placental extravillous trophoblasts (EVTs), which are responsible for uteroplacental vascular remodeling, is critical for adequate delivery of oxygen and nutrients to the developing fetus and normal fetal programming. Proliferation and invasion of spiral arteries by EVTs depends upon adequate levels of folate. Multidrug resistance-associated protein 1 (MRP1), which is an efflux transporter, is known to remove folate from these cells. We hypothesized that palmitic acid increases MRP1-mediated folate removal from EVTs, thereby interfering with EVTs' role in early placental vascular remodeling. HTR-8/SVneo and Swan-71 cells, first trimester human EVTs, were grown in the absence or presence of 0.5 mM and 0.7 mM palmitic acid, respectively, for 72 h. Palmitic acid increased ABCC1 gene expression and MRP1 protein expression in both cell lines. The rate of folate efflux from the cells into the media increased with a decrease in migration and invasion functions in the cultured cells. Treatment with N-acetylcysteine (NAC) prevented the palmitic acid-mediated upregulation of MRP1 and restored invasion and migration in the EVTs. Finally, in an ABCC1 knockout subline of Swan-71 cells, there was a significant increase in invasion and migration functions. The novel finding in this study that palmitic acid increases MRP1-mediated folate efflux provides a missing link that helps to explain how maternal consumption of saturated fatty acids compromises the in utero environment.
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Affiliation(s)
- Yunali Ashar
- Department of Pharmaceutical Sciences, St. John’s University, Queens, NY 11439, USA
| | - Qiuxu Teng
- Department of Pharmaceutical Sciences, St. John’s University, Queens, NY 11439, USA
| | - John N. D. Wurpel
- Department of Pharmaceutical Sciences, St. John’s University, Queens, NY 11439, USA
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, St. John’s University, Queens, NY 11439, USA
| | - Sandra E. Reznik
- Department of Pharmaceutical Sciences, St. John’s University, Queens, NY 11439, USA
- Departments of Pathology and Obstetrics and Gynecology and Women’s Health, Albert Einstein College of Medicine, Bronx, NY 10461, USA
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15
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Abdelaal MR, Ibrahim E, Elnagar MR, Soror SH, Haffez H. Augmented Therapeutic Potential of EC-Synthetic Retinoids in Caco-2 Cancer Cells Using an In Vitro Approach. Int J Mol Sci 2022; 23:ijms23169442. [PMID: 36012706 PMCID: PMC9409216 DOI: 10.3390/ijms23169442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/29/2022] [Accepted: 08/05/2022] [Indexed: 11/16/2022] Open
Abstract
Colorectal cancer therapies have produced promising clinical responses, but tumor cells rapidly develop resistance to these drugs. It has been previously shown that EC19 and EC23, two EC-synthetic retinoids, have single-agent preclinical anticancer activity in colorectal carcinoma. Here, isobologram analysis revealed that they have synergistic cytotoxicity with retinoic acid receptor (RAR) isoform-selective agonistic retinoids such as AC261066 (RARβ2-selective agonist) and CD437 (RARγ-selective agonist) in Caco-2 cells. This synergism was confirmed by calculating the combination index (lower than 1) and the dose reduction index (higher than 1). Flow cytometry of combinatorial IC50 (the concentration causing 50% cell death) confirmed the cell cycle arrest at the SubG0-G1 phase with potentiated apoptotic and necrotic effects. The reported synergistic anticancer activity can be attributed to their ability to reduce the expression of ATP-binding cassette (ABC) transporters including P-glycoprotein (P-gp1), breast cancer resistance protein (BCRP) and multi-drug resistance-associated protein-1 (MRP1) and Heat Shock Protein 70 (Hsp70). This adds up to the apoptosis-promoting activity of EC19 and EC23, as shown by the increased Caspase-3/7 activities and DNA fragmentation leading to DNA double-strand breaks. This study sheds the light on the possible use of EC-synthetic retinoids in the rescue of multi-drug resistance in colorectal cancer using Caco-2 as a model and suggests new promising combinations between different synthetic retinoids. The current in vitro results pave the way for future studies on these compounds as possible cures for colorectal carcinoma.
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Affiliation(s)
- Mohamed R. Abdelaal
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
| | - Esraa Ibrahim
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
| | - Mohamed R. Elnagar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Cairo 11823, Egypt
| | - Sameh H. Soror
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
| | - Hesham Haffez
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
- Correspondence: ; Tel.: +20-1094-970-173
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16
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Love TM, Wahlberg K, Pineda D, Watson GE, Zareba G, Thurston SW, Davidson PW, Shamlaye CF, Myers GJ, Rand M, van Wijngaarden E, Broberg K. Contribution of child ABC-transporter genetics to prenatal MeHg exposure and neurodevelopment. Neurotoxicology 2022; 91:228-233. [PMID: 35654246 PMCID: PMC9723801 DOI: 10.1016/j.neuro.2022.05.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 04/01/2022] [Accepted: 05/26/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND There is emerging evidence that exposure to prenatal methylmercury (MeHg) from maternal fish consumption during pregnancy can differ between individuals due to genetic variation. In previous studies, we have reported that maternal polymorphisms in ABC-transporter genes were associated with maternal hair MeHg concentrations, and with children's early neurodevelopmental tests. In this study, we add to these findings by evaluating the contribution of genetic variation in children's ABC-transporter genes to prenatal MeHg exposure and early child neurodevelopmental tests. METHODS We genotyped six polymorphisms (rs2032582, rs10276499 and rs1202169 in ABCB1; rs11075290 and rs215088 in ABCC1; rs717620 in ABCC2) in DNA from cord blood and maternal blood of the Seychelles Child Development Study Nutrition Cohort 2. We determined prenatal MeHg exposure by measuring total mercury (Hg) in cord blood by atomic fluorescence spectrometry. We assessed neurodevelopment in children at approximately 20 months using the Bayley Scales of Infant Development (BSID-II). We used linear regression models to analyze covariate-adjusted associations of child genotype with cord MeHg and BSID-II outcomes (Mental Developmental and Psychomotor Developmental Indexes). We also evaluated interactions between genotypes, cord MeHg, and neurodevelopmental outcomes. All models were run with and without adjustment for maternal genotype. RESULTS Of the six evaluated polymorphisms, only ABCC1 rs11075290 was associated with cord blood MeHg; children homozygous for the T-allele had on average 29.99 µg/L MeHg in cord blood while those homozygous for the C-allele had on average 38.06 µg/L MeHg in cord blood (p < 0.001). No polymorphisms in the children were associated with either subscale of the BSID. However, the association between cord MeHg and the Mental Developmental Index (MDI) of the BSID differed significantly across the three genotypes of ABCB1 rs10276499 (2df F-test, p = 0.045). With increasing cord MeHg, the MDI decreased (slope=-0.091, p = 0.014) among children homozygous for the rare C-allele. CONCLUSIONS These findings support the possibility that child ABC genetics might influence prenatal MeHg exposure.
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Affiliation(s)
- Tanzy M Love
- University of Rochester Medical Center, School of Medicine and Dentistry, 601 Elmwood Ave, Rochester, NY 14642, USA
| | - Karin Wahlberg
- Department of Laboratory Medicine, Division of Occupational and Environmental Medicine, Lund University, 22185 Lund, Sweden
| | - Daniela Pineda
- Department of Laboratory Medicine, Division of Occupational and Environmental Medicine, Lund University, 22185 Lund, Sweden
| | - Gene E Watson
- University of Rochester Medical Center, School of Medicine and Dentistry, 601 Elmwood Ave, Rochester, NY 14642, USA
| | - Grazyna Zareba
- University of Rochester Medical Center, School of Medicine and Dentistry, 601 Elmwood Ave, Rochester, NY 14642, USA
| | - Sally W Thurston
- University of Rochester Medical Center, School of Medicine and Dentistry, 601 Elmwood Ave, Rochester, NY 14642, USA
| | - Philip W Davidson
- University of Rochester Medical Center, School of Medicine and Dentistry, 601 Elmwood Ave, Rochester, NY 14642, USA
| | - Conrad F Shamlaye
- The Child Development Centre, Ministry of Health, Mahé, Republic of Seychelles
| | - Gary J Myers
- University of Rochester Medical Center, School of Medicine and Dentistry, 601 Elmwood Ave, Rochester, NY 14642, USA
| | - Matthew Rand
- University of Rochester Medical Center, School of Medicine and Dentistry, 601 Elmwood Ave, Rochester, NY 14642, USA
| | - Edwin van Wijngaarden
- University of Rochester Medical Center, School of Medicine and Dentistry, 601 Elmwood Ave, Rochester, NY 14642, USA
| | - Karin Broberg
- Department of Laboratory Medicine, Division of Occupational and Environmental Medicine, Lund University, 22185 Lund, Sweden; Institute of Environmental Medicine, Metals and Health, Box 210, 171 77 Stockholm, Sweden.
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17
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Meng LX, Sun XD, Zhang WW, Guo X, Shen Y, Shao SL. [Silencing the MRP1 gene using CRISPRi technology to enhance the sensitivity of A549/DDP cells to cisplatin]. Zhongguo Ying Yong Sheng Li Xue Za Zhi 2022; 38:322-325. [PMID: 36414555 DOI: 10.12047/j.cjap.6257.2022.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
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18
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Xu K, Zhang Q, Chen M, Li B, Wang N, Li C, Gao Z, Zhang D, Yang L, Xu Z, Li X, Xu H. N 6-methyladenosine modification regulates imatinib resistance of gastrointestinal stromal tumor by enhancing the expression of multidrug transporter MRP1. Cancer Lett 2022; 530:85-99. [PMID: 35032557 DOI: 10.1016/j.canlet.2022.01.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 12/23/2021] [Accepted: 01/08/2022] [Indexed: 12/29/2022]
Abstract
N6-methyladenosine (m6A) is a frequently occurring mRNA modification, which regulates mRNA stability, splicing, and translation. However, its role in drug resistance of gastrointestinal stromal tumor (GIST) is not known. Here, we report that m6A modification levels are elevated in imatinib-resistant GIST cells and tissues, and that methyltransferase METTL3 is one of the main protein responsible for this aberrant modification. Increased METTL3 levels contributed to imatinib resistance and worse progression-free survival of GIST patients. Mechanistic studies revealed that METTL3-mediated m6A modification of the 5'UTR of the multidrug transporter MRP1 mRNA promoted drug resistance of GIST by stimulating MRP1 mRNA translation, via binding with YTHDF1 and eEF-1. Further, METTL3 transcription in Imatinib resistant GIST cells was activated by ETV1, leading to the increased m6A methylation of MRP1 mRNA. This is the first report showing a novel regulatory mechanism whereby ETV1, METTL3, and the YTHDF1/eEF-1 complex mediate the translation of MRP1 mRNA in an m6A-dependent manner to regulate the intracellular concentration of imatinib and drug resistance of GIST. These findings highlight MRP1 as a new potential therapeutic target for imatinib resistance of GIST.
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Affiliation(s)
- Kangjing Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medical University, Nanjing, 211166, China
| | - Qiang Zhang
- Department of Gastrointestinal Surgery, The Second People's Hospital of Lianyungang Affiliated to Kangda College, Nanjing Medical University, Lianyungang, 222002, China
| | - Ming Chen
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medical University, Nanjing, 211166, China
| | - Bowen Li
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medical University, Nanjing, 211166, China
| | - Nuofan Wang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medical University, Nanjing, 211166, China
| | - Chao Li
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medical University, Nanjing, 211166, China
| | - Zhishuang Gao
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medical University, Nanjing, 211166, China
| | - Diancai Zhang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medical University, Nanjing, 211166, China
| | - Li Yang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medical University, Nanjing, 211166, China
| | - Zekuan Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medical University, Nanjing, 211166, China
| | - Xueming Li
- School of Pharmaceutical Science, Nanjing Tech University, Nanjing, 211816, China.
| | - Hao Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medical University, Nanjing, 211166, China.
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Abstract
Multidrug resistance protein 1 (MRP1/ABCC1) is an ATP-dependent efflux transporter, and responsible for the transport of a broad spectrum of xenobiotics, toxins, and physiological substrates across the plasma membrane. As an efflux pump, it plays a significant role in the absorption and disposition of drugs including anticancer drugs, antivirals, antimalarials, and antibiotics and their metabolites across physiological barriers in cells. MRP1 is also known to aid in the regulation of several physiological processes such as redox homeostasis, steroid metabolism, and tissue defense. However, its overexpression has been reported to be a key clinical marker associated with multidrug resistance (MDR) of several types of cancers including lung cancer, childhood neuroblastoma, breast and prostate carcinomas, often resulting in a higher risk of treatment failure and shortened survival rates in cancer patients. Aside MDR, overexpression of MRP1 is also implicated in the development of neurodegenerative and cardiovascular diseases. Due to the cellular importance of MRP1, the identification and biochemical/molecular characterization of modulators of MRP1 activity and expression levels are of key interest to cancer research and beyond. This review primarily aims at highlighting the physiological and pharmacological importance of MRP1, known MRP1 modulators, current challenges encountered, and the potential benefits of conducting further research on the MRP1 transporter.
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Affiliation(s)
- Vivian Osei Poku
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD, United States of America
| | - Surtaj Hussain Iram
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD, United States of America,American University of Iraq, Sulaimaniya, Sulaimani, KRG, Iraq
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20
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Eigenschink M, Savran D, Zitterer CP, Granitzer S, Fritz M, Baron DM, Müllner EW, Salzer U. Redox Properties of Human Erythrocytes Are Adapted for Vitamin C Recycling. Front Physiol 2021; 12:767439. [PMID: 34938201 PMCID: PMC8685503 DOI: 10.3389/fphys.2021.767439] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 11/16/2021] [Indexed: 01/22/2023] Open
Abstract
Ascorbic acid (AA; or vitamin C) is an important physiological antioxidant and radical scavenger. Some mammalian species, including homo sapiens, have lost the ability to synthetize AA and depend on its nutritional uptake. Erythrocytes from AA-auxotroph mammals express high amounts of the glucose transporter GLUT1. This isoform enables rapid uptake of glucose as well as dehydroascorbate (DHA), the fully oxidized form of AA. Here, we explored the effects of DHA uptake on the redox metabolism of human erythrocytes. DHA uptake enhanced plasma membrane electron transport (PMET) activity. This process is mediated by DCytb, a membrane bound cytochrome catalyzing extracellular reduction of Fe3+ and ascorbate free radical (AFR), the first oxidized form of AA. DHA uptake also decreased cellular radical oxygen species (ROS) levels. Both effects were massively enhanced in the presence of physiological glucose concentrations. Reduction of DHA to AA largely depleted intracellular glutathione (GSH) and induced the efflux of its oxidized form, GSSG. GSSG efflux could be inhibited by MK-571 (IC50 = 5 μM), indicating involvement of multidrug resistance associated protein (MRP1/4). DHA-dependent GSH depletion and GSSG efflux were completely rescued in the presence of 5 mM glucose and, partially, by 2-deoxy-glucose (2-DG), respectively. These findings indicate that human erythrocytes are physiologically adapted to recycle AA both intracellularly via GLUT1-mediated DHA uptake and reduction and extracellularly via DCytb-mediated AFR reduction. We discuss the possibility that this improved erythrocyte-mediated AA recycling was a prerequisite for the emergence of AA auxotrophy which independently occurred at least twice during mammalian evolution.
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Affiliation(s)
- Michael Eigenschink
- Center for Medical Biochemistry, Max Perutz Labs Vienna, Medical University of Vienna, Vienna, Austria
| | - Danylo Savran
- Center for Medical Biochemistry, Max Perutz Labs Vienna, Medical University of Vienna, Vienna, Austria
| | - Christoph P Zitterer
- Center for Medical Biochemistry, Max Perutz Labs Vienna, Medical University of Vienna, Vienna, Austria
| | - Sebastian Granitzer
- Center for Medical Biochemistry, Max Perutz Labs Vienna, Medical University of Vienna, Vienna, Austria.,Institute of Medical Genetics, Medical University of Vienna, Vienna, Austria
| | - Magdalena Fritz
- Center for Medical Biochemistry, Max Perutz Labs Vienna, Medical University of Vienna, Vienna, Austria
| | - David M Baron
- Department of Anaesthesia, Intensive Care Medicine and Pain Medicine, Medical University of Vienna, Vienna, Austria
| | - Ernst W Müllner
- Center for Medical Biochemistry, Max Perutz Labs Vienna, Medical University of Vienna, Vienna, Austria
| | - Ulrich Salzer
- Center for Medical Biochemistry, Max Perutz Labs Vienna, Medical University of Vienna, Vienna, Austria
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21
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Hanssen KM, Haber M, Fletcher JI. Targeting multidrug resistance-associated protein 1 ( MRP1)-expressing cancers: Beyond pharmacological inhibition. Drug Resist Updat 2021; 59:100795. [PMID: 34983733 DOI: 10.1016/j.drup.2021.100795] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/30/2021] [Accepted: 09/05/2021] [Indexed: 12/30/2022]
Abstract
Resistance to chemotherapy remains one of the most significant obstacles to successful cancer treatment. While inhibiting drug efflux mediated by ATP-binding cassette (ABC) transporters is a seemingly attractive and logical approach to combat multidrug resistance (MDR), small molecule inhibition of ABC transporters has so far failed to confer clinical benefit, despite considerable efforts by medicinal chemists, biologists, and clinicians. The long-sought treatment to eradicate cancers displaying ABC transporter overexpression may therefore lie within alternative targeting strategies. When aberrantly expressed, the ABC transporter multidrug resistance-associated protein 1 (MRP1, ABCC1) confers MDR, but can also shift cellular redox balance, leaving the cell vulnerable to select agents. Here, we explore the physiological roles of MRP1, the rational for targeting this transporter in cancer, the development of small molecule MRP1 inhibitors, and the most recent developments in alternative therapeutic approaches for targeting cancers with MRP1 overexpression. We discuss approaches that extend beyond simple MRP1 inhibition by exploiting the collateral sensitivity to glutathione depletion and ferroptosis, the rationale for targeting the shared transcriptional regulators of both MRP1 and glutathione biosynthesis, advances in gene silencing, and new molecules that modulate transporter activity to the detriment of the cancer cell. These strategies illustrate promising new approaches to address multidrug resistant disease that extend beyond the simple reversal of MDR and offer exciting routes for further research.
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Affiliation(s)
- Kimberley M Hanssen
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia; School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Michelle Haber
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia; School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia
| | - Jamie I Fletcher
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Sydney, NSW, Australia; School of Women's and Children's Health, UNSW Sydney, Sydney, NSW, Australia.
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22
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Siedlecka-Kroplewska K, Wrońska A, Kmieć Z. Piceatannol, a Structural Analog of Resveratrol, Is an Apoptosis Inducer and a Multidrug Resistance Modulator in HL-60 Human Acute Myeloid Leukemia Cells. Int J Mol Sci 2021; 22:10597. [PMID: 34638937 PMCID: PMC8509003 DOI: 10.3390/ijms221910597] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 09/23/2021] [Accepted: 09/27/2021] [Indexed: 12/11/2022] Open
Abstract
Acute myeloid leukemia is characterized by uncontrolled clonal proliferation of abnormal myeloid progenitor cells. Despite recent advances in the treatment of this disease, the prognosis and overall long-term survival for patients remain poor, which drives the search for new chemotherapeutics and treatment strategies. Piceatannol, a polyphenolic compound present in grapes and wine, appears to be a promising chemotherapeutic agent in the treatment of leukemia. The aim of the present study was to examine whether piceatannol induces autophagy and/or apoptosis in HL-60 human acute myeloid leukemia cells and whether HL-60 cells are able to acquire resistance to piceatannol toxicity. We found that piceatannol at the IC90 concentration of 14 µM did not induce autophagy in HL-60 cells. However, it induced caspase-dependent apoptosis characterized by phosphatidylserine externalization, disruption of the mitochondrial membrane potential, caspase-3 activation, internucleosomal DNA fragmentation, PARP1 cleavage, chromatin condensation, and fragmentation of cell nuclei. Our findings also imply that HL-60 cells are able to acquire resistance to piceatannol toxicity via mechanisms related to MRP1 activity. Our results suggest that the use of piceatannol as a potential chemotherapeutic agent may be associated with the risk of multidrug resistance, warranting its use in combination with other chemotherapeutic agents.
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23
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Li R, Song Y, Chen X, Chu M, Wang ZW, Zhu X. METTL3 increases cisplatin chemosensitivity of cervical cancer cells via downregulation of the activity of RAGE. Mol Ther Oncolytics 2021; 22:245-255. [PMID: 34514103 PMCID: PMC8424130 DOI: 10.1016/j.omto.2021.05.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 05/28/2021] [Indexed: 12/25/2022]
Abstract
Cervical cancer is the most common gynecologic malignancy worldwide. Methyltransferase-like 3 (METTL3) is involved in tumorigenesis; however, it is unclear whether METTL3 plays a potential role in regulating cisplatin (DDP) resistance. Therefore, the role of METTL3 in the regulation of cisplatin sensitivity in cervical cancer cells was determined. Our immunohistochemistry (IHC) data showed that METTL3 was highly expressed in para-cancerous compared with cervical cancer tissues. Furthermore, METTL3 overexpression inhibited viability and increased cisplatin sensitivity of cervical cancer cells in vitro. Overexpression of METTL3 inhibited tumor growth in vivo. IHC results showed that the receptor for advanced glycation and products (RAGE) had higher expression levels in cervical cancer tissues. RAGE downregulation increased cell sensitivity to cisplatin treatment. Moreover, the combination of FPS-ZM1 with cisplatin was more effective in inhibiting cell viability as compared with FPS-ZM1 or cisplatin only. Additionally, METTL3 reduced RAGE expression in cervical cancer cells. Overexpression of METTL3 downregulated RAGE expression and caused more sensitivity to cisplatin treatment in the SiHa-DDP cell line. METTL3 inhibited cell viability and increased apoptosis as well as enhanced the sensitivity of cisplatin via downregulating RAGE expression in cervical cancer cells.
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Affiliation(s)
- Ruyi Li
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang Province, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
| | - Yizuo Song
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang Province, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
| | - Xin Chen
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang Province, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
| | - Man Chu
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang Province, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
| | - Zhi-Wei Wang
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang Province, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
| | - Xueqiong Zhu
- Center for Uterine Cancer Diagnosis & Therapy Research of Zhejiang Province, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang, China
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24
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Conseil G, Cole SPC. The First Cytoplasmic Loop in the Core Structure of the ABCC1 (Multidrug Resistance Protein 1; MRP1) Transporter Contains Multiple Amino Acids Essential for Its Expression. Int J Mol Sci 2021; 22:ijms22189710. [PMID: 34575890 PMCID: PMC8469891 DOI: 10.3390/ijms22189710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/03/2021] [Accepted: 09/05/2021] [Indexed: 12/13/2022] Open
Abstract
ABCC1 (human multidrug resistance protein 1 (hMRP1)) is an ATP-binding cassette transporter which effluxes xeno- and endobiotic organic anions and confers multidrug resistance through active drug efflux. The 17 transmembrane α-helices of hMRP1 are distributed among three membrane spanning domains (MSD0, 1, 2) with MSD1,2 each followed by a nucleotide binding domain to form the 4-domain core structure. Eight conserved residues in the first cytoplasmic loop (CL4) of MSD1 in the descending α-helix (Gly392, Tyr404, Arg405), the perpendicular coupling helix (Asn412, Arg415, Lys416), and the ascending α-helix (Glu422, Phe434) were targeted for mutagenesis. Mutants with both alanine and same charge substitutions of the coupling helix residues were expressed in HEK cells at wild-type hMRP1 levels and their transport activity was only moderately compromised. In contrast, mutants of the flanking amino acids (G392I, Y404A, R405A/K, E422A/D, and F434Y) were very poorly expressed although Y404F, E422D, and F434A were readily expressed and transport competent. Modeling analyses indicated that Glu422 and Arg615 could form an ion pair that might stabilize transporter expression. However, this was not supported by exchange mutations E422R/R615E which failed to improve hMRP1 levels. Additional structures accompanied by rigorous biochemical validations are needed to better understand the bonding interactions crucial for stable hMRP1 expression.
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Affiliation(s)
- Gwenaëlle Conseil
- Division of Cancer Biology and Genetics, Queen’s University Cancer Research Institute, Kingston, ON K7L 3N6, Canada;
- Correspondence: ; Tel.: +1-613-533-6358
| | - Susan P. C. Cole
- Division of Cancer Biology and Genetics, Queen’s University Cancer Research Institute, Kingston, ON K7L 3N6, Canada;
- Department of Pathology & Molecular Medicine, Queen’s University, Kingston, ON K7L 3N6, Canada
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25
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Yu J, Chen W, Xie W, Chen R, Lin D, You W, Ye W, Zhang H, Lin D, Xu J. Silencing of the CrkL gene reverses the doxorubicin resistance of K562/ADR cells through regulating PI3K/Akt/ MRP1 signaling. J Clin Lab Anal 2021; 35:e23817. [PMID: 34114685 PMCID: PMC8373353 DOI: 10.1002/jcla.23817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 02/23/2021] [Accepted: 04/10/2021] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Doxorubicin is a first-line chemotherapy agent on human myelogenous leukemia clinical treatment, but the development of chemoresistance has largely limited curative effect. In this study, we aimed to evaluate the biological function and molecular mechanisms of CrkL to Doxorubicin resistance. METHODS Quantitative reverse transcription-PCR (qRT-PCR) assay was performed to examine the expression of CrkL in K562 and K562/ADR cells. The expression of CrkL was silenced through RNA interference technology. MTT assay and flow cytometry were performed to detect the proliferation inhibition and apoptosis rate after CrkL siRNA transfection. The protein expression changes of PI3K/AKT/MRP1 pathway induced by CrkL siRNA were observed by Western Blot assay. Xenograft tumor model was carried out to observe tumor growth in vivo. RESULTS We observed that silencing of CrkL could effectively increase apoptosis rate induced by doxorubicin and dramatically reversed doxorubicin resistance in K562/ADR cells. Further studies revealed knockdown CrkL expression suppressed PI3K/Akt/MRP1 signaling, which indicated CrkL siRNA reversed doxorubicin effect through regulating PI3K/Akt/MRP1 pathway. In addition, overexpression of MRP1 could evidently reduce apoptosis rate and reversed the inhibitory effects of doxorubicin resistance caused by CrkL siRNA on K562/ADR cells. Finally, in vivo experiments revealed that CrkL silencing acted a tumor-suppressing role in myelogenous leukemia via regulating PI3K/Akt/MRP1 signaling. CONCLUSION Together, we indicated that CrkL is up-regulated in myelogenous leukemia cells and silencing of CrkL could reverse Doxorubicin resistance effectively. These results show a potential novel strategy for intervention chemoresistance in myelogenous leukemia during chemotherapy.
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Affiliation(s)
- Jiang Yu
- Department of Clinical LaboratoryFuzhou Second Hospital Affiliated to Xiamen UniversityFuzhouFujianChina
| | - Wen‐XU Chen
- Department of Clinical LaboratoryFuzhou Second Hospital Affiliated to Xiamen UniversityFuzhouFujianChina
| | - Wen‐Jing Xie
- Department of Clinical LaboratoryFuzhou Second Hospital Affiliated to Xiamen UniversityFuzhouFujianChina
| | - Rong‐Wei Chen
- Department of Clinical LaboratoryFuzhou Second Hospital Affiliated to Xiamen UniversityFuzhouFujianChina
| | - Dan‐Qi Lin
- Department of Pharmacy clinical PharmacyFuzhou Second Hospital Affiliated to Xiamen UniversityFuzhouFujianChina
| | - Wei‐Wei You
- Department of Clinical LaboratoryFuzhou Second Hospital Affiliated to Xiamen UniversityFuzhouFujianChina
| | - Wei‐Lin Ye
- Department of Clinical LaboratoryFuzhou Second Hospital Affiliated to Xiamen UniversityFuzhouFujianChina
| | - Hong‐Qin Zhang
- Department of Pharmacy clinical PharmacyFuzhou Second Hospital Affiliated to Xiamen UniversityFuzhouFujianChina
| | - Dong‐Hong Lin
- Department of Clinical Laboratory MedicineFujian Medical UniversityFuzhouChina
| | - Jian‐Ping Xu
- Department of Clinical Laboratory MedicineFujian Medical UniversityFuzhouChina
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26
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Ohya S, Kajikuri J, Endo K, Kito H, Elboray EE, Suzuki T. Ca 2+ -activated K + channel K Ca 1.1 as a therapeutic target to overcome chemoresistance in three-dimensional sarcoma spheroid models. Cancer Sci 2021; 112:3769-3783. [PMID: 34181803 PMCID: PMC8409426 DOI: 10.1111/cas.15046] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 05/05/2021] [Accepted: 06/17/2021] [Indexed: 12/15/2022] Open
Abstract
The large‐conductance Ca2+‐activated K+ channel KCa1.1 plays a pivotal role in tumor development and progression in several solid cancers. The three‐dimensional (3D) in vitro cell culture system is a powerful tool for cancer spheroid formation, and mimics in vivo solid tumor resistance to chemotherapy in the tumor microenvironment (TME). KCa1.1 is functionally expressed in osteosarcoma and chondrosarcoma cell lines. KCa1.1 activator‐induced hyperpolarizing responses were significantly larger in human osteosarcoma MG‐63 cells isolated from 3D spheroid models compared with in those from adherent 2D monolayer cells. The present study investigated the mechanisms underlying the upregulation of KCa1.1 and its role in chemoresistance using a 3D spheroid model. KCa1.1 protein expression levels were significantly elevated in the lipid‐raft‐enriched compartments of MG‐63 spheroids without changes in its transcriptional level. 3D spheroid formation downregulated the expression of the ubiquitin E3 ligase FBXW7, which is an essential contributor to KCa1.1 protein degradation in breast cancer. The siRNA‐mediated inhibition of FBXW7 in MG‐63 cells from 2D monolayers upregulated KCa1.1 protein expression. Furthermore, a treatment with a potent and selective KCa1.1 inhibitor overcame the chemoresistance of the MG‐63 and human chondrosarcoma SW‐1353 spheroid models to paclitaxel, doxorubicin, and cisplatin. Among several multidrug resistance ATP‐binding cassette transporters, the expression of the multidrug resistance‐associated protein MRP1 was upregulated in both spheroids and restored by the inhibition of KCa1.1. Therefore, the pharmacological inhibition of KCa1.1 may be an attractive new strategy for acquiring resistance to chemotherapeutic drugs in the TME of KCa1.1‐positive sarcomas.
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Affiliation(s)
- Susumu Ohya
- Department of Pharmacology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan
| | - Junko Kajikuri
- Department of Pharmacology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan
| | - Kyoko Endo
- Department of Pharmacology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan
| | - Hiroaki Kito
- Department of Pharmacology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan
| | - Elghareeb E Elboray
- Department of Complex Molecular Chemistry, The Institute of Scientific and Industrial Research, Osaka University, Osaka, Japan.,Faculty of Science, South Valley University, Qena, Egypt
| | - Takayoshi Suzuki
- Department of Complex Molecular Chemistry, The Institute of Scientific and Industrial Research, Osaka University, Osaka, Japan
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27
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Mu Y, Cory TJ. Suppression of HIV-1 Viral Replication by Inhibiting Drug Efflux Transporters in Activated Macrophages. Curr HIV Res 2021; 19:128-137. [PMID: 33032513 DOI: 10.2174/1570162x18666201008143833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 08/27/2020] [Accepted: 09/04/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Ethanol has been shown to increase oxidative stress, drug efflux transporter expression, and promote HIV progression. Macrophages, which express drug efflux transporters, serve as an essential sanctuary site for HIV. The antiretroviral drug lopinavir, a protease inhibitor, is a substrate of the drug efflux transporters P-glycoprotein and multidrug resistance-associated protein 1. The NF-κB signaling pathway is associated with inflammation and drug efflux transporter expression. OBJECTIVE To examine the effects of ethanol on drug efflux transporters and HIV replication of macrophages and develop strategies to increase the efficacy of the protease inhibitor. METHODS The expression of PGP and MRP1 was examined with western blot. The NF- κB inhibition was assessed with nuclear western blot. LC-MS/MS and p24 ELISA were used to assess intracellular LPV and viral replication. RESULTS Ethanol at 40mM slightly increased drug efflux transporter PGP and MRP1 expression in activated macrophages. IKK-16, an NF- κB inhibitor, counteracted the increased transporter expression caused by ethanol exposure. MK571, an MRP1 inhibitor, and IKK-16 significantly increased intracellular LPV concentration with or without ethanol treatment. MK571 significantly increased LPV efficacy in suppressing viral replication with or without ethanol treatment. A decreasing trend and a significant decrease were observed with IKK-16+LPV treatment compared with LPV alone in the no ethanol treatment and ethanol treatment groups, respectively. CONCLUSION In activated macrophages, inhibiting drug efflux transporter MRP1 activity and reducing its expression may represent a promising approach to suppress viral replication by increasing intracellular antiretroviral concentrations. However, different strategies may be required for ethanolrelated vs. untreated groups.
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Affiliation(s)
- Ying Mu
- Department of Clinical Pharmacy and Translational Science, University of Tennessee Health Science Center College of Pharmacy 881 Madison, Memphis, United States
| | - Theodore J Cory
- Department of Clinical Pharmacy and Translational Science, University of Tennessee Health Science Center College of Pharmacy 881 Madison, Memphis, United States
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28
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Ceder S, Eriksson SE, Cheteh EH, Dawar S, Corrales Benitez M, Bykov VJN, Fujihara KM, Grandin M, Li X, Ramm S, Behrenbruch C, Simpson KJ, Hollande F, Abrahmsen L, Clemons NJ, Wiman KG. A thiol-bound drug reservoir enhances APR-246-induced mutant p53 tumor cell death. EMBO Mol Med 2021; 13:e10852. [PMID: 33314700 PMCID: PMC7863383 DOI: 10.15252/emmm.201910852] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 12/12/2022] Open
Abstract
The tumor suppressor gene TP53 is the most frequently mutated gene in cancer. The compound APR-246 (PRIMA-1Met/Eprenetapopt) is converted to methylene quinuclidinone (MQ) that targets mutant p53 protein and perturbs cellular antioxidant balance. APR-246 is currently tested in a phase III clinical trial in myelodysplastic syndrome (MDS). By in vitro, ex vivo, and in vivo models, we show that combined treatment with APR-246 and inhibitors of efflux pump MRP1/ABCC1 results in synergistic tumor cell death, which is more pronounced in TP53 mutant cells. This is associated with altered cellular thiol status and increased intracellular glutathione-conjugated MQ (GS-MQ). Due to the reversibility of MQ conjugation, GS-MQ forms an intracellular drug reservoir that increases availability of MQ for targeting mutant p53. Our study shows that redox homeostasis is a critical determinant of the response to mutant p53-targeted cancer therapy.
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Affiliation(s)
- Sophia Ceder
- Department of Oncology‐PathologyKarolinska InstitutetStockholmSweden
| | - Sofi E Eriksson
- Department of Oncology‐PathologyKarolinska InstitutetStockholmSweden
| | | | - Swati Dawar
- Peter MacCallum Cancer CentreMelbourneVic.Australia
| | | | | | - Kenji M Fujihara
- Peter MacCallum Cancer CentreMelbourneVic.Australia
- Sir Peter MacCallum Department of OncologyThe University of MelbourneParkvilleVic.Australia
| | - Mélodie Grandin
- Department of Clinical PathologyThe University of MelbourneMelbourneVic.Australia
- Victorian Comprehensive Cancer CentreUniversity of Melbourne Centre for Cancer ResearchMelbourneVic.Australia
| | - Xiaodun Li
- MRC Cancer UnitUniversity of CambridgeCambridgeUK
| | - Susanne Ramm
- Peter MacCallum Cancer CentreVictorian Centre for Functional GenomicsMelbourneVic.Australia
| | - Corina Behrenbruch
- Sir Peter MacCallum Department of OncologyThe University of MelbourneParkvilleVic.Australia
- Department of Clinical PathologyThe University of MelbourneMelbourneVic.Australia
| | - Kaylene J Simpson
- Peter MacCallum Cancer CentreVictorian Centre for Functional GenomicsMelbourneVic.Australia
| | - Frédéric Hollande
- Department of Clinical PathologyThe University of MelbourneMelbourneVic.Australia
- Victorian Comprehensive Cancer CentreUniversity of Melbourne Centre for Cancer ResearchMelbourneVic.Australia
| | | | - Nicholas J Clemons
- Peter MacCallum Cancer CentreMelbourneVic.Australia
- Sir Peter MacCallum Department of OncologyThe University of MelbourneParkvilleVic.Australia
| | - Klas G Wiman
- Department of Oncology‐PathologyKarolinska InstitutetStockholmSweden
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Shimizu Y, Nakai Y, Watanabe H, Iikuni S, Ono M, Saji H, Kuge Y, Saga T, Nakamoto Y. Increased [ 18F]FMISO accumulation under hypoxia by multidrug-resistant protein 1 inhibitors. EJNMMI Res 2021; 11:9. [PMID: 33492449 PMCID: PMC7835267 DOI: 10.1186/s13550-021-00752-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 01/11/2021] [Indexed: 11/30/2022] Open
Abstract
Background [18F]Fluoromisonidazole ([18F]FMISO) is a PET imaging probe widely used for the detection of hypoxia. We previously reported that [18F]FMISO is metabolized to the glutathione conjugate of the reduced form in hypoxic cells. In addition, we found that the [18F]FMISO uptake level varied depending on the cellular glutathione conjugation and excretion ability such as enzyme activity of glutathione-S-transferase and expression levels of multidrug resistance-associated protein 1 (MRP1, an efflux transporter), in addition to the cellular hypoxic state. In this study, we evaluated whether MRP1 activity affected [18F]FMISO PET imaging. Methods FaDu human pharyngeal squamous cell carcinoma cells were pretreated with MRP1 inhibitors (cyclosporine A, lapatinib, or MK-571) for 1 h, incubated with [18F]FMISO for 4 h under hypoxia, and their radioactivity was then measured. FaDu tumor-bearing mice were intravenously injected with [18F]FMISO, and PET/CT images were acquired at 4 h post-injection (1st PET scan). Two days later, the same mice were pretreated with MRP1 inhibitors (cyclosporine A, lapatinib, or MK-571) for 1 h, and PET/CT images were acquired (2nd PET scan). Results FaDu cells pretreated with MRP1 inhibitors exhibited significantly higher radioactivity than those without inhibitor treatment (cyclosporine A: 6.91 ± 0.27, lapatinib: 10.03 ± 0.47, MK-571: 10.15 ± 0.44%dose/mg protein, p < 0.01). In the in vivo PET study, the SUVmean ratio in tumors [calculated as after treatment (2nd PET scan)/before treatment of MRP1 inhibitors (1st PET scan)] of the mice treated with MRP1 inhibitors was significantly higher than those of control mice (cyclosporine A: 2.6 ± 0.7, lapatinib: 2.2 ± 0.7, MK-571: 2.2 ± 0.7, control: 1.2 ± 0.2, p < 0.05). Conclusion In this study, we revealed that MRP1 inhibitors increase [18F]FMISO accumulation in hypoxic cells. This suggests that [18F]FMISO-PET imaging is affected by MRP1 inhibitors independent of the hypoxic state.
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Affiliation(s)
- Yoichi Shimizu
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoinkawahara-cho, Sakyo-Ku, Kyoto, 606-8507, Japan. .,Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-8501, Japan.
| | - Yukihiro Nakai
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-8501, Japan
| | - Hiroyuki Watanabe
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-8501, Japan
| | - Shimpei Iikuni
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-8501, Japan
| | - Masahiro Ono
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-8501, Japan
| | - Hideo Saji
- Department of Patho-Functional Bioanalysis, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, 606-8501, Japan
| | - Yuji Kuge
- Central Institute of Isotope Science, Hokkaido University, Sapporo, 060-0815, Japan
| | - Tsuneo Saga
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoinkawahara-cho, Sakyo-Ku, Kyoto, 606-8507, Japan
| | - Yuji Nakamoto
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, 54 Shogoinkawahara-cho, Sakyo-Ku, Kyoto, 606-8507, Japan
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30
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Zhou J, Qi C, Fang X, Wang Z, Zhang S, Li D, Song J. DJ-1 modulates Nrf2-mediated MRP1 expression by activating Wnt3a/β-catenin signalling in A549 cells exposed to cigarette smoke extract and LPS. Life Sci 2021; 276:119089. [PMID: 33476627 DOI: 10.1016/j.lfs.2021.119089] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 01/07/2021] [Accepted: 01/12/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is an inflammatory disease characterized by airway obstruction and abnormal inflammatory responses. Multidrug resistance-related protein 1 (MRP1) can reduce lung inflammation and damage by excreting various toxic exogenous substances and certain pro-inflammatory molecules. AIMS We studied whether DJ-1 modulates nuclear factor erythroid 2-related factor 2 (Nrf2) by activating the Wnt3a/β-catenin signalling pathway to further regulate MRP1 expression and pulmonary antioxidant defences in alveolar epithelial (A549) cells treated with smoke extract (CSE) and lipopolysaccharide (LPS). MAIN METHODS Marker expression was studied by western blot analysis, quantitative real-time PCR and immunofluorescence staining of A549 cells. KEY FINDINGS A549 cells exposed to CSE and LPS showed downregulation of DJ-1, Wnt3a, MRP1 and haem oxygenase-1 (HO-1) and upregulation of inflammatory factors. Additionally, Nrf2 protein levels were significantly decreased, while there was no change in Nrf2 mRNA levels. Overexpression of DJ-1 and Wnt3a activated Nrf2 signalling, increased MRP1 and HO-1 levels and decreased IL-6 protein expression, while knockdown of DJ-1 and Wnt3a had the opposite effects. Furthermore, DJ-1 overexpression and DJ-1 knockdown increased and decreased, respectively, the levels of Wnt3a and β-catenin. Interestingly, Nrf2 and Wnt3a deficiency reduced the protective effects of Wnt3a and DJ-1, respectively, in A549 cells. However, the levels of DJ-1 and Wnt3a were not altered by Wnt3a and Nrf2 deletion, respectively. SIGNIFICANCE In A549 cells treated with CSE and LPS, DJ-1 regulates Nrf2-mediated MRP1 expression and antioxidant defences by activating the Wnt3a/β-catenin signalling pathway. These findings may provide potential therapeutic targets for COPD intervention.
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Affiliation(s)
- Jian Zhou
- Institute for Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China; Institute for the Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Chuanzong Qi
- Institute for Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China; Institute for the Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Xin Fang
- Institute for Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China; Institute for the Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Zihao Wang
- Institute for Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China; Institute for the Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Shuyi Zhang
- Institute for Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China; Institute for the Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Dalang Li
- Institute for Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China; Institute for the Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Jue Song
- Institute for Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China; Institute for the Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China.
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31
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Dong Q, Zhou C, Ren H, Zhang Z, Cheng F, Xiong Z, Chen C, Yang J, Gao J, Zhang Y, Xu L, Fang J, Cao Y, Wei H, Wu Z. Lactate-induced MRP1 expression contributes to metabolism-based etoposide resistance in non-small cell lung cancer cells. Cell Commun Signal 2020; 18:167. [PMID: 33097055 PMCID: PMC7583203 DOI: 10.1186/s12964-020-00653-3] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 08/26/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Metabolic reprogramming contributes significantly to tumor development and is tightly linked to drug resistance. The chemotherapeutic agent etoposide (VP-16) has been used clinically in the treatment of lung cancer but possess different sensitivity and efficacy towards SCLC and NSCLC. Here, we assessed the impact of etoposide on glycolytic metabolism in SCLC and NSCLC cell lines and investigated the role of metabolic rewiring in mediating etoposide resistance. METHODS glycolytic differences of drug-treated cancer cells were determined by extracellular acidification rate (ECAR), glucose consumption, lactate production and western blot. DNA damage was evaluated by the comet assay and western blot. Chemoresistant cancer cells were analyzed by viability, apoptosis and western blot. Chromatin immunoprecipitation (ChIP) was used for analysis of DNA-protein interaction. RESULTS Here we showed that exposure to chemotherapeutic drug etoposide induces an exacerbation of ROS production which activates HIF-1α-mediated the metabolic reprogramming toward increased glycolysis and lactate production in non-small cell lung cancer (NSCLC). We identified lactic acidosis as the key that confers multidrug resistance through upregulation of multidrug resistance-associated protein 1 (MRP1, encoded by ABCC1), a member of ATP-binding cassette (ABC) transporter family. Mechanistically, lactic acid coordinates TGF-β1/Snail and TAZ/AP-1 pathway to induce formation of Snail/TAZ/AP-1 complex at the MRP1/ABCC1 promoter. Induction of MRP1 expression inhibits genotoxic and apoptotic effects of chemotherapeutic drugs by increasing drug efflux. Furthermore, titration of lactic acid with NaHCO3 was sufficient to overcome resistance. CONCLUSIONS The chemotherapeutic drug etoposide induces the shift toward aerobic glycolysis in the NSCLC rather than SCLC cell lines. The increased lactic acid in extracellular environment plays important role in etoposide resistance through upregulation of MRP expression. These data provide first evidence for the increased lactate production, upon drug treatment, contributes to adaptive resistance in NSCLC and reveal potential vulnerabilities of lactate metabolism and/or pathway suitable for therapeutic targeting. Video Abstract The chemotherapeutic drug etoposide induces metabolic reprogramming towards glycolysis in the NSCLC cells. The secreted lactic acid coordinates TGF-β1/Snail and TAZ/AP-1 pathway to activate the expression of MRP1/ABCC1 protein, thus contributing to chemoresistance in NSCLC.
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Affiliation(s)
- Qi Dong
- School of Clinical Medicine, Wannan Medical College, Wuhu, 241001, China.,Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,Anhui Province Key laboratory of Active Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241001, China
| | - Chenkang Zhou
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,Anhui provincial Engineering Research Center for Polysaccharide Drugs, Wannan Medical College, Wuhu, 241001, China.,School of laboratory Medicine, Wannan Medical College, Wuhu, 241001, China
| | - Haodong Ren
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,Anhui provincial Engineering Research Center for Polysaccharide Drugs, Wannan Medical College, Wuhu, 241001, China.,School of pharmacy, Wannan Medical College, Wuhu, 241001, China
| | - Zhijian Zhang
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,Anhui Province Key laboratory of Active Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241001, China.,School of Preclinical Medicine, Wannan Medical College, Wuhu, 241001, China
| | - Feng Cheng
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,Anhui Province Key laboratory of Active Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241001, China
| | - Zhenkai Xiong
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,School of Medical Imageology, Wannan Medical College, Wuhu, 241001, China
| | - Chuantao Chen
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,School of Medical Imageology, Wannan Medical College, Wuhu, 241001, China
| | - Jianke Yang
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,School of Preclinical Medicine, Wannan Medical College, Wuhu, 241001, China
| | - Jiguang Gao
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,School of Preclinical Medicine, Wannan Medical College, Wuhu, 241001, China
| | - Yao Zhang
- Anhui Province Key laboratory of Active Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241001, China
| | - Lei Xu
- School of Clinical Medicine, Wannan Medical College, Wuhu, 241001, China.,Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China
| | - Jian Fang
- School of Clinical Medicine, Wannan Medical College, Wuhu, 241001, China.,Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China
| | - Yuxiang Cao
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,School of laboratory Medicine, Wannan Medical College, Wuhu, 241001, China
| | - Huijun Wei
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China.,Anhui Province Key laboratory of Active Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241001, China.,Anhui provincial Engineering Research Center for Polysaccharide Drugs, Wannan Medical College, Wuhu, 241001, China
| | - Zhihao Wu
- Research laboratory of Tumor Microenvironment, Wannan Medical College, Wuhu, 241001, China. .,Anhui Province Key laboratory of Active Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241001, China. .,School of Preclinical Medicine, Wannan Medical College, Wuhu, 241001, China.
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Abstract
OBJECTIVE Gastric cancer is one of the most common malignant tumors worldwide, and for resectable tumors, the most effective treatment is surgery with chemotherapy in neoadjuvant or adjuvant setting. However, the majority of patients fail to achieve the ideal initial response and/or develop resistance to chemotherapy. It was reported that long noncoding RNA regulator of reprogramming (ROR) is highly associated with the progression of gastric cancer. However, the role ROR in multidrug resistance (MDR) remains unclear. METHODS The messenger RNA levels of 63 specimens of patients with gastric cancer were determined by real-time polymerase chain reaction analysis and were correlated with drug resistance and survival of patients. To determine the cellular functions of ROR, we generated gastric cancer MDR cells. The effect of ROR depletion on multidrug resistance-associated protein 1 (MRP1) expression and cell apoptosis were examined by immunoblotting analyses, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, and flow cytometry. RESULTS We found that ROR expression levels are positively associated with increased MDR and poor prognosis of patients with gastric cancer. Regulator of reprogramming expression is increased in gastric cancer cells resistant to adriamycin (ADR) and vincristine (VCR). Depletion of ROR reduced MRP1 expression and increased apoptosis of drug-resistant gastric cancer cells in response to ADR and VCR treatment. CONCLUSIONS We demonstrated that ROR expression promotes MRP1 expression and MDR of gastric cancer cells and is correlated with increased MDR and poor prognosis of patients with gastric cancer. Our finding highlighted the potential of targeting ROR to improve the efficacy of chemotherapy.
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Affiliation(s)
- Shuai Wang
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,Innovative Drug Research and transformation platform, Qingdao Cancer Institute, Qingdao, Shandong, China.,Department of Oncology, Weifang Traditional Chinese Medicine Hospital, Weifang, Shandong, China
| | - Wujun Chen
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,Innovative Drug Research and transformation platform, Qingdao Cancer Institute, Qingdao, Shandong, China
| | - Hualong Yu
- Department of Radiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Zhengming Song
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,Innovative Drug Research and transformation platform, Qingdao Cancer Institute, Qingdao, Shandong, China
| | - Qian Li
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,Innovative Drug Research and transformation platform, Qingdao Cancer Institute, Qingdao, Shandong, China
| | - Xin Shen
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,Innovative Drug Research and transformation platform, Qingdao Cancer Institute, Qingdao, Shandong, China
| | - Yudong Wu
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,Innovative Drug Research and transformation platform, Qingdao Cancer Institute, Qingdao, Shandong, China
| | - Lei Zhu
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,Innovative Drug Research and transformation platform, Qingdao Cancer Institute, Qingdao, Shandong, China
| | - Qingxia Ma
- Innovative Drug Research and transformation platform, Qingdao Cancer Institute, Qingdao, Shandong, China
| | - Dongming Xing
- Cancer Institute, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,Innovative Drug Research and transformation platform, Qingdao Cancer Institute, Qingdao, Shandong, China.,School of Life Sciences, Tsinghua University, Beijing, China
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Low FG, Shabir K, Brown JE, Bill RM, Rothnie AJ. Roles of ABCC1 and ABCC4 in Proliferation and Migration of Breast Cancer Cell Lines. Int J Mol Sci 2020; 21:E7664. [PMID: 33081264 DOI: 10.3390/ijms21207664] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/06/2020] [Accepted: 10/07/2020] [Indexed: 12/14/2022] Open
Abstract
ABCC1 and ABCC4 utilize energy from ATP hydrolysis to transport many different molecules, including drugs, out of the cell and, as such, have been implicated in causing drug resistance. However recently, because of their ability to transport signaling molecules and inflammatory mediators, it has been proposed that ABCC1 and ABCC4 may play a role in the hallmarks of cancer development and progression, independent of their drug efflux capabilities. Breast cancer is the most common cancer affecting women. In this study, the aim was to investigate whether ABCC1 or ABCC4 play a role in the proliferation or migration of breast cancer cell lines MCF-7 (luminal-type, receptor-positive) and MDA-MB-231 (basal-type, triple-negative). The effects of small molecule inhibitors or siRNA-mediated knockdown of ABCC1 or ABCCC4 were measured. Colony formation assays were used to assess the clonogenic capacity, MTT assays to measure the proliferation, and scratch assays and Transwell assays to monitor the cellular migration. The results showed a role for ABCC1 in cellular proliferation, whilst ABCC4 appeared to be more important for cellular migration. ELISA studies implicated cAMP and/or sphingosine-1-phosphate efflux in the mechanism by which these transporters mediate their effects. However, this needs to be investigated further, as it is key to understand the mechanisms before they can be considered as targets for treatment.
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Tupova L, Hirschmugl B, Sucha S, Pilarova V, Székely V, Bakos É, Novakova L, Özvegy-Laczka C, Wadsack C, Ceckova M. Interplay of drug transporters P-glycoprotein (MDR1), MRP1, OATP1A2 and OATP1B3 in passage of maraviroc across human placenta. Biomed Pharmacother 2020; 129:110506. [PMID: 32768979 DOI: 10.1016/j.biopha.2020.110506] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 06/27/2020] [Accepted: 07/02/2020] [Indexed: 12/16/2022] Open
Abstract
Special attention is required when pharmacological treatment is indicated for a pregnant woman. P-glycoprotein (MDR1) is a well-known transporter localized in the maternal blood-facing apical membrane of placental syncytiotrophoblast and is considered to play an important role in protecting the developing fetus. Maraviroc, a MDR1 substrate that is registered for treatment of HIV infection, shows a low toxicity profile, suggesting favorable tolerability also if administered to pregnant women. Nevertheless, there is only poor understanding to date regarding the extent to which it permeates across the placental barrier and what are the transport mechanisms involved. Endeavoring to clarify the passage of maraviroc across placenta, we used in this study the method of closed-circuit perfusion of maraviroc across human placental cotyledon. The data obtained confirmed slight involvement of MDR1, but they also suggest possible interaction with other transport system(s) working in the opposite direction from that of MDR1. Complementary in vitro studies, including cellular experiments on choriocarcinoma BeWo cells as well as transporter-overexpressing MDCKII and A431 cell lines and accumulation in placental fresh villous fragments, revealed maraviroc transport by MRP1, OATP1A2, and OATP1B3 transporters. Based on mRNA expression data in the placental tissue, isolated trophoblasts, and fetal endothelial cells, especially MRP1 and OATP1A2 seem to play a crucial role in cooperatively driving maraviroc into placental tissue. By the example of maraviroc, we show here the important interplay of transporters in placental drug handling and its possibility to overcome the MDR1-mediated efflux.
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Affiliation(s)
- Lenka Tupova
- Charles University, Faculty of Pharmacy in Hradec Kralove, Department of Pharmacology and Toxicology, Akademika Heyrovskeho 1203, Hradec Kralove, Czech Republic
| | - Birgit Hirschmugl
- Medical University of Graz, Department of Obstetrics and Gynecology, 8036, Graz, Austria
| | - Simona Sucha
- Charles University, Faculty of Pharmacy in Hradec Kralove, Department of Pharmacology and Toxicology, Akademika Heyrovskeho 1203, Hradec Kralove, Czech Republic
| | - Veronika Pilarova
- Charles University, Faculty of Pharmacy in Hradec Kralove, Department of Analytical Chemistry, Akademika Heyrovskeho 1203, Hradec Kralove, Czech Republic
| | - Virág Székely
- Membrane Protein Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Magyar tudósok krt. 2., H-1117, Budapest, Hungary
| | - Éva Bakos
- Membrane Protein Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Magyar tudósok krt. 2., H-1117, Budapest, Hungary
| | - Lucie Novakova
- Charles University, Faculty of Pharmacy in Hradec Kralove, Department of Analytical Chemistry, Akademika Heyrovskeho 1203, Hradec Kralove, Czech Republic
| | - Csilla Özvegy-Laczka
- Membrane Protein Research Group, Institute of Enzymology, Research Centre for Natural Sciences, Magyar tudósok krt. 2., H-1117, Budapest, Hungary
| | - Christian Wadsack
- Medical University of Graz, Department of Obstetrics and Gynecology, 8036, Graz, Austria
| | - Martina Ceckova
- Charles University, Faculty of Pharmacy in Hradec Kralove, Department of Pharmacology and Toxicology, Akademika Heyrovskeho 1203, Hradec Kralove, Czech Republic.
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Kunadt D, Dransfeld C, Dill C, Schmiedgen M, Kramer M, Altmann H, Röllig C, Bornhäuser M, Mahlknecht U, Schaich M, Stölzel F. Multidrug-related protein 1 ( MRP1) polymorphisms rs129081, rs212090, and rs212091 predict survival in normal karyotype acute myeloid leukemia. Ann Hematol 2020; 99:2173-2180. [PMID: 32621177 PMCID: PMC7419446 DOI: 10.1007/s00277-020-04163-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 06/21/2020] [Indexed: 12/15/2022]
Abstract
Resistant disease is still a main obstacle in acute myeloid leukemia (AML) treatment. Therefore, individual genetic variations affecting therapy response are gaining increasing importance. Both SNPs and ABC transporter genes could already be associated with drug resistance. Here, we report allelic variants of MRP1 (ABCC1) SNPs rs129081, rs212090, and rs212091 with significant influences on survival in AML patients. DNA was extracted from bone marrow samples (n = 160) at diagnosis. Genotyping 48 SNPs within seven different ABC transporter genes using real-time PCR revealed rs129081 GG variant with a significant higher OS (p = 0.035) and DFS (p = 0.01). Comparing TT and AA rs212090 variants showed significant influences on DFS (p = 0.021). SNP rs212091 GG expression was associated with worse OS (p = 0.006) and a significant difference in DFS between alleles GG and AA (p = 0.018). The multivariable models confirmed a significant influence on OS for rs212091 (AA HR = 0.296, 95% CI 0.113–0.774, p = 0.013 and GG p = 0.044). Rs129081 variant CG, TT of rs212090, AA, and AG of rs212091 demonstrated significant impact on DFS (p = 0.024, p = 0.029, p = 0.017, and p = 0.042, respectively). This analysis demonstrates a significant influence of MRP1 SNPs on survival in AML. As they were not associated to prognostic characteristics, we suggest these SNPs to be independent prognostic markers for AML.
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Affiliation(s)
- Desiree Kunadt
- Department of Internal Medicine I, University Hospital Carl Gustav Carus, Technical University of Dresden, Fetscherstraße 74, 01307, Dresden, Germany.
| | - Christian Dransfeld
- Department of Internal Medicine, Division of Immunotherapy and Gene Therapy, José Carreras Research Centre, Saarland University Medical Centre, Homburg, Saar, Germany
| | - Claudia Dill
- Department of Internal Medicine I, University Hospital Carl Gustav Carus, Technical University of Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Maria Schmiedgen
- Department of Internal Medicine I, University Hospital Carl Gustav Carus, Technical University of Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Michael Kramer
- Department of Internal Medicine I, University Hospital Carl Gustav Carus, Technical University of Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Heidi Altmann
- Department of Internal Medicine I, University Hospital Carl Gustav Carus, Technical University of Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Christoph Röllig
- Department of Internal Medicine I, University Hospital Carl Gustav Carus, Technical University of Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Martin Bornhäuser
- Department of Internal Medicine I, University Hospital Carl Gustav Carus, Technical University of Dresden, Fetscherstraße 74, 01307, Dresden, Germany
| | - Ulrich Mahlknecht
- Department of Internal Medicine Hematology/Oncology, St. Lukas Klinik, Solingen, Germany
| | - Markus Schaich
- Department of Hematology, Oncology and Palliative Care, Rems-Murr-Klinikum, Winnenden, Germany
| | - Friedrich Stölzel
- Department of Internal Medicine I, University Hospital Carl Gustav Carus, Technical University of Dresden, Fetscherstraße 74, 01307, Dresden, Germany
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Wang L, Johnson ZL, Wasserman MR, Levring J, Chen J, Liu S. Characterization of the kinetic cycle of an ABC transporter by single-molecule and cryo-EM analyses. eLife 2020; 9:56451. [PMID: 32458799 PMCID: PMC7253176 DOI: 10.7554/elife.56451] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/15/2020] [Indexed: 01/21/2023] Open
Abstract
ATP-binding cassette (ABC) transporters are molecular pumps ubiquitous across all kingdoms of life. While their structures have been widely reported, the kinetics governing their transport cycles remain largely unexplored. Multidrug resistance protein 1 (MRP1) is an ABC exporter that extrudes a variety of chemotherapeutic agents and native substrates. Previously, the structures of MRP1 were determined in an inward-facing (IF) or outward-facing (OF) conformation. Here, we used single-molecule fluorescence spectroscopy to track the conformational changes of bovine MRP1 (bMRP1) in real time. We also determined the structure of bMRP1 under active turnover conditions. Our results show that substrate stimulates ATP hydrolysis by accelerating the IF-to-OF transition. The rate-limiting step of the transport cycle is the dissociation of the nucleotide-binding-domain dimer, while ATP hydrolysis per se does not reset MRP1 to the resting state. The combination of structural and kinetic data illustrates how different conformations of MRP1 are temporally linked and how substrate and ATP alter protein dynamics to achieve active transport.
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Affiliation(s)
- Ling Wang
- Laboratory of Nanoscale Biophysics and Biochemistry, The Rockefeller University, New York, United States
| | - Zachary Lee Johnson
- Laboratory of Membrane Biology and Biophysics, The Rockefeller University, New York, United States
| | - Michael R Wasserman
- Laboratory of Nanoscale Biophysics and Biochemistry, The Rockefeller University, New York, United States
| | - Jesper Levring
- Laboratory of Membrane Biology and Biophysics, The Rockefeller University, New York, United States
| | - Jue Chen
- Laboratory of Membrane Biology and Biophysics, The Rockefeller University, New York, United States.,Howard Hughes Medical Institute, The Rockefeller University, New York, United States
| | - Shixin Liu
- Laboratory of Nanoscale Biophysics and Biochemistry, The Rockefeller University, New York, United States
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Riganti C, Giampietro R, Kopecka J, Costamagna C, Abatematteo FS, Contino M, Abate C. MRP1-Collateral Sensitizers as a Novel Therapeutic Approach in Resistant Cancer Therapy: An In Vitro and In Vivo Study in Lung Resistant Tumor. Int J Mol Sci 2020; 21:ijms21093333. [PMID: 32397184 PMCID: PMC7247425 DOI: 10.3390/ijms21093333] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/02/2020] [Accepted: 05/05/2020] [Indexed: 12/23/2022] Open
Abstract
Multidrug resistance (MDR) is the main obstacle to current chemotherapy and it is mainly due to the overexpression of some efflux transporters such as MRP1. One of the most studied strategies to overcome MDR has been the inhibition of MDR pumps through small molecules, but its translation into the clinic unfortunately failed. Recently, a phenomenon called collateral sensitivity (CS) emerged as a new strategy to hamper MDR acting as a synthetic lethality, where the genetic changes developed upon the acquisition of resistance towards a specific agent are followed by the development of hypersensitivity towards a second agent. Among our library of sigma ligands acting as MDR modulators, we identified three compounds, F397, F400, and F421, acting as CS-promoting agents. We deepened their CS mechanisms in the "pure" model of MRP1-expressing cells (MDCK-MRP1) and in MRP1-expressing/drug resistant non-small cell lung cancer cells (A549/DX). The in vitro results demonstrated that (i) the three ligands are highly cytotoxic for MRP1-expressing cells; (ii) their effect is MRP1-mediated; (iii) they increase the cytotoxicity induced by cis-Pt, the therapeutic agent commonly used in the treatment of lung tumors; and (iv) their effect is ROS-mediated. Moreover, a preclinical in vivo study performed in lung tumor xenografts confirms the in vitro findings, making the three CS-promoting agents candidates for a novel therapeutic approach in lung resistant tumors.
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Affiliation(s)
- Chiara Riganti
- Department of Oncology, University of Turin, Via Santena 5/bis, 10126 Turin, Italy; (C.R.); (J.K.); (C.C.)
| | - Roberta Giampietro
- Department of Pharmacy-Drug Sciences, University of Bari “A. Moro”, Via Orabona 4, 70125 Bari, Italy; (R.G.); (F.S.A.); (C.A.)
| | - Joanna Kopecka
- Department of Oncology, University of Turin, Via Santena 5/bis, 10126 Turin, Italy; (C.R.); (J.K.); (C.C.)
| | - Costanzo Costamagna
- Department of Oncology, University of Turin, Via Santena 5/bis, 10126 Turin, Italy; (C.R.); (J.K.); (C.C.)
| | - Francesca Serena Abatematteo
- Department of Pharmacy-Drug Sciences, University of Bari “A. Moro”, Via Orabona 4, 70125 Bari, Italy; (R.G.); (F.S.A.); (C.A.)
| | - Marialessandra Contino
- Department of Pharmacy-Drug Sciences, University of Bari “A. Moro”, Via Orabona 4, 70125 Bari, Italy; (R.G.); (F.S.A.); (C.A.)
- Correspondence:
| | - Carmen Abate
- Department of Pharmacy-Drug Sciences, University of Bari “A. Moro”, Via Orabona 4, 70125 Bari, Italy; (R.G.); (F.S.A.); (C.A.)
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Zhang X, Gu G, Song L, Wang D, Xu Y, Yang S, Xu B, Cao Z, Liu C, Zhao C, Zong Y, Qin Y, Xu J. ID4 Promotes Breast Cancer Chemotherapy Resistance via CBF1- MRP1 Pathway. J Cancer 2020; 11:3846-3857. [PMID: 32328189 PMCID: PMC7171490 DOI: 10.7150/jca.31988] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 03/27/2020] [Indexed: 12/21/2022] Open
Abstract
Chemo-resistance is considered a key problem in triple negative breast cancer (TNBC) chemotherapy and as such, an urgent need exists to identify its exact mechanisms. Inhibitor of DNA binding factor 4 (ID4) was reported to play diverse roles in different breast cancer molecular phenotypes. In addition, ID4 was associated with mammary carcinoma drug resistance however its functions and contributions remain insufficiently defined. The expression of ID4 in MCF-7, MCF-7/Adr and MDA-MB-231 breast cancer cell lines and patients' tissues were detected by RT-PCR, western blot and immunohistochemistry. Furthermore, TCGA database was applied to confirm these results. Edu and CCK8 assay were performed to detect the proliferation and drug resistance in breast cancer cell lines. Transwell and scratch migration assay were used to detected metastasis. Western blot, TCGA database, Immunoprecipitation (IP), Chromatin Immunoprecipitation (ChIP) and Luciferase reporter assay were used to investigate the tumor promotion mechanisms of ID4. In this study, we report that the expression levels of ID4 appeared to correlate with breast cancers subtype differentiation biomarkers (including ER, PR) and chemo-resistance related proteins (including MRP1, ABCG2, P-gp). Down-regulation of ID4 in MCF-7/Adr and MDA-MB-231 breast cancer cell lines significantly suppressed cell proliferation and invasion, however enhanced Adriamycin sensitivity. We further demonstrated that the oncogenic and chemo-resistant effects of ID4 could be mediated by binding to CBF1 promoter region though combination with MyoD1, and then the downstream target MRP1 could be activated. We reveal for the first time that ID4 performs its function via a CBF1-MRP1 signaling axis, and this finding provides a novel perspective to find potential therapeutic targets for breast cancer chemotherapy.
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Affiliation(s)
- Xi Zhang
- Department of Breast and Thyroid Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Breast and Thyroid Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
| | - Guangyan Gu
- Department of Histology and Embryology, Shandong University Cheeloo College of Medicine, Jinan, 250012, Shandong, China
| | - Lin Song
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
| | - Dan Wang
- Department of Science and education, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Science and education, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
| | - Yali Xu
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
| | - Shuping Yang
- Department of Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Oncology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
| | - Bin Xu
- Department of Pathology, Shengli Oil Field Central Hospital, Dongying, Shandong Province, 257034, P.R China
| | - Zhixin Cao
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
| | - Chunmei Liu
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
| | - Chunming Zhao
- Department of Ophthalmology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Ophthalmology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
| | - Yuanyuan Zong
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
| | - Yejun Qin
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
| | - Jiawen Xu
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Shandong, 250021, PR China.,Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, 250021, PR China
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Zhou Y, Xu X, Wu J, Xu L, Zhang M, Li Z, Wang D. Allyl isothiocyanate treatment alleviates chronic obstructive pulmonary disease through the Nrf2-Notch1 signaling and upregulation of MRP1. Life Sci 2020; 243:117291. [PMID: 31927049 DOI: 10.1016/j.lfs.2020.117291] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 01/06/2020] [Accepted: 01/06/2020] [Indexed: 12/17/2022]
Abstract
AIMS Chronic obstructive pulmonary disease (COPD) is a disease with high morbidity and mortality worldwide, which can cause serious social and economic burdens. Allyl isothiocyanate (AITC) is one of the most common natural isothiocyanates and has been shown to have anti-inflammatory and antioxidant biological activities. The purpose of this study was to investigate whether AITC regulated Multidrug resistance-associated protein 1 (MRP1), reactive oxide species (ROS) and reduced glutathione (GSH) levels via Nrf2 and Notch1 signaling pathways to treat COPD and whether there was an interaction between these two pathways. MAIN METHODS Lung function indexes and histopathological changes in mice were determined by lung function instrument and HE staining, respectively. The protein expression was analyzed using immunohistochemistry and Western blotting. The mRNA expression was measured by RT-PCR in human bronchial epithelial cell line 16HBE. The contents of ROS, GSH and GSSG were detected by kits in 16HBE cells. KEY FINDINGS The protein expression of Notch1, Hes1, MRP1, Nrf2, and HO-1 in lung tissues of WT mice and untransfected cells were significantly down-regulated in COPD, then significantly ameliorated in treatment groups. The protein expression of MRP1, Notch1 and Hes1 in lung tissues of Nrf2-/- mice were markedly reduced. There was a significant reduction in expression of Nrf2, HO-1 and MRP1 in si-Notch1 transfected cells. Pretreatment with AITC markedly improved oxidative stress and GSH-redox disorder in COPD. SIGNIFICANCE Our study demonstrates that there is a potential interaction between Nrf2 and Notch1 signaling pathways during treatment of COPD.
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Affiliation(s)
- Yuanyuan Zhou
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China
| | - Xiaoya Xu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Department of Pharmacy, Hospital of Armed Police of Anhui Province, Heifei 230061, Anhui, China
| | - Jie Wu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China
| | - Lingling Xu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China
| | - Min Zhang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China
| | - Zegeng Li
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China.
| | - Dianlei Wang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, Anhui, China; Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei 230012, Anhui, China.
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Hong T, Ding J, Li W. miR-7 Reverses Breast Cancer Resistance To Chemotherapy By Targeting MRP1 And BCL2. Onco Targets Ther 2019; 12:11097-11105. [PMID: 31908478 PMCID: PMC6924589 DOI: 10.2147/ott.s213780] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 10/07/2019] [Indexed: 01/01/2023] Open
Abstract
Background MicroRNAs (miRNAs) are a class of non‐coding RNAs that have been linked with breast cancer chemoresistance, which is a major clinical problem causing disease relapse and poor prognosis. miR-7 exerts several tumor suppressive activities. Purpose This study was designed to clarify whether and how miR-7 regulates breast cancer chemoresistance. Methods miR-7 level in breast cancer was determined by qRT-PCR analysis. Cell viability was assessed by MTS assay to quantify the IC50 value of paclitaxel and carboplatin. The targets of miR-7 were confirmed by luciferase reporter assay. Results Higher miR-7 expression predicts better pathological complete response (pCR) of breast cancer patients receiving paclitaxel/carboplatin chemotherapy. In vitro, miR-7 sensitizes breast cancer cell lines (MCF-7 and MDA-MB-231) to paclitaxel and carboplatin, alone and in combination. In addition, we reveal that both the multidrug resistance-associated protein 1 (MRP1) and anti-apoptotic B cell lymphoma 2 (BCL2) are targets of miR-7 in breast cancer cells. Furthermore, miR-7-induced sensitization of breast cancer to paclitaxel/carboplatin is markedly reversed by restoration of MRP1 and BCL2. Conclusion These findings show that miR-7 reverses breast cancer chemoresistance through suppressing MRP1 and BCL2, and also suggest that miR-7 may possess a predictive value and represent a therapeutic target in breast cancer chemotherapy.
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Affiliation(s)
- Tianzi Hong
- Department of Thyroid and Breast Surgery, Jinjiang Hospital of Quanzhou Medical College, Jinjiang 362200, People's Republic of China
| | - Jian Ding
- Department of Breast Surgery, Zhongshan Hospital of Xiamen University, Xiamen 361004, People's Republic of China
| | - Wenlian Li
- Department of Breast Surgery, Zhongshan Hospital of Xiamen University, Xiamen 361004, People's Republic of China
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Liu A, Qiao J, He L, Liu Z, Chen J, Pei F, Du Y. Nitrogen Permease Regulator-Like-2 Exhibited Anti-Tumor Effects And Enhanced The Sensitivity Of Colorectal Cancer Cells To Oxaliplatin And 5-Fluorouracil. Onco Targets Ther 2019; 12:8637-8644. [PMID: 31695423 PMCID: PMC6805118 DOI: 10.2147/ott.s219562] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 09/10/2019] [Indexed: 11/23/2022] Open
Abstract
Background Colorectal cancer (CRC) is one of the most common malignant tumors in the world. Our previous study revealed that nitrogen permease regulator-like-2 (NPRL2), a promising anti-tumor gene, was downregulated at both the blood and tissue levels in CRC patients compared with that in healthy individuals. Purpose This study aims to explore the role of NPRL2 in CRC. Methods Herein, we constructed NPRL2 overexpression lentivirus vectors and transfected them into HT29 cells. The transfected cells were inoculated subcutaneously into nude mice. Tumor growth, pathology, apoptosis, and the protein expression of caspase-3, caspase-7, Bax, Bcl-2, and phosphorylated protein kinase B (p-Akt) were evaluated. To further explore whether NPRL2 could reduce drug resistance of CRC cells against oxaliplatin (L-OHP) and 5-fluorouracil (5-FU), we constructed a tumor model using HT29 cells. The tumor model was treated with lentiviral particles assembled with vectors encoding NPRL2 and exposed to L-OHP and 5-FU. Tumor growth, pathology, apoptosis, and the protein expression of caspase-3, caspase-7, Bax, Bcl-2, p-Akt, P-glycoprotein (P-gp), and multidrug resistance protein 1 (MRP1) were evaluated. Results The results indicated that in the in vivo CRC xenograft model, NPRL2 reduced the tumor volume and weight and enhanced apoptosis. Our results also confirmed that NPRL2 enhanced the sensitivity of CRC cells to L-OHP and 5-FU. Our studies further demonstrated that NPRL2 exerted anti-tumor and anti-drug resistance effects through the caspase-3, caspase-7, Bax, Bcl-2, Akt, P-gp, and MRP1 pathways. Conclusion Our present work demonstrated that NPRL2 exhibited anti-tumor effects and enhanced the sensitivities of CRC cells to L-OHP and 5-FU through the P-gp and MRP1 pathways.
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Affiliation(s)
- Aiyun Liu
- Department of Gastroenterology, The Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Jiutao Qiao
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Liyuan He
- Department of Gastroenterology, The Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Zhangmeng Liu
- Department of Gastroenterology, The Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Jing Chen
- Department of Gastroenterology, The Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Fenghua Pei
- Department of Gastroenterology, The Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
| | - Yaju Du
- Department of Gastroenterology, The Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China
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Sampson A, Peterson BG, Tan KW, Iram SH. Doxorubicin as a fluorescent reporter identifies novel MRP1 (ABCC1) inhibitors missed by calcein-based high content screening of anticancer agents. Biomed Pharmacother 2019; 118:109289. [PMID: 31401398 DOI: 10.1016/j.biopha.2019.109289] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 07/28/2019] [Accepted: 07/30/2019] [Indexed: 01/30/2023] Open
Abstract
Multidrug resistance protein 1 (MRP1/ABCC1) actively transports a variety of drugs, toxic molecules and important physiological substrates across the plasma membrane. It can confer broad-spectrum multidrug resistance and can decrease the bioavailability of many important drugs. Substrates of MRP1 include anti-cancer agents, antibiotics, antivirals, antidepressants and anti-inflammatory drugs. Using calcein as a fluorescent reporter in a high content uptake assay, we recently reported the identification of 12 MRP1 inhibitors after screening an anti-cancer library of 386 compounds. Here, we describe the development of a new high content imaging-based uptake assay using doxorubicin as a fluorescent reporter. Screening the same anti-cancer library of 386 compounds, the new assay identified a total of 28 MRP1 inhibitors including 16 inhibitors that have not been previously reported as inhibitors of MRP1. Inhibition of MRP1 activity was confirmed using flow cytometry and confocal microscopy-based transport assays. Six drugs (afatinib, celecoxib, doramapimod, mifepristone, MK-2206 and rosiglitazone) were evaluated for their ability to reverse resistance of MRP1-overexpressing H69AR lung cancer cells against vincristine, doxorubicin and etoposide. Mifepristone and doramapimod were most effective in reversal of resistance against vincristine while mifepristone and rosiglitazone were most successful in resensitizing H69AR cells against doxorubicin. Furthermore, resistance towards etoposide was completely reversed in the presence of celecoxib or doramapimod. Selected drugs were also evaluated for resistance reversal in HEK cells that overexpress P-glycoprotein or breast cancer resistance protein. Our results indicate mifepristone and doramapimod as pan inhibitors of these three drug transporters while celecoxib exhibited selective MRP1 inhibition. Together, our findings signify the importance of MRP1 in drug discovery and demonstrate the effectiveness and value of doxorubicin-based high content screening approach. Anti-cancer agents that exhibit MRP1 inhibition may be used to reverse multidrug resistance or to improve the efficacy and reduce the toxicity of various cancer chemotherapies. On the other hand, anti-cancer drugs that did not interact with MRP1 carry a low risk for developing MRP1-mediated resistance.
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Gana CC, Hanssen KM, Yu DMT, Flemming CL, Wheatley MS, Conseil G, Cole SPC, Norris MD, Haber M, Fletcher JI. MRP1 modulators synergize with buthionine sulfoximine to exploit collateral sensitivity and selectively kill MRP1-expressing cancer cells. Biochem Pharmacol 2019; 168:237-248. [PMID: 31302132 DOI: 10.1016/j.bcp.2019.07.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 07/09/2019] [Indexed: 11/25/2022]
Abstract
Members of the ABC transporter family, particularly P-glycoprotein (P-gp, ABCB1), breast cancer resistance protein (BCRP, ABCG2) and multidrug resistance protein 1 (MRP1, ABCC1) are well characterized mediators of multidrug resistance, however their pharmacological inhibition has so far failed as a clinical strategy. Harnessing collateral sensitivity, a form of synthetic lethality where cells with acquired multidrug resistance exhibit hypersensitivity to unrelated agents, may be an alternative approach to targeting multidrug resistant tumour cells. We characterized a novel small molecule modulator that selectively enhanced MRP1-dependent efflux of reduced glutathione (GSH), an endogenous MRP1 substrate. Using cell lines expressing high levels of endogenous MRP1 from three difficult to treat cancer types-lung cancer, ovarian cancer and high-risk neuroblastoma-we showed that the MRP1 modulator substantially lowered intracellular GSH levels as a single agent. The effect was on-target, as MRP1 knockdown abolished GSH depletion. The MRP1 modulator was synergistic with the GSH synthesis inhibitor buthionine sulfoximine (BSO), with the combination exhausting intracellular GSH, increasing intracellular reactive oxygen species (ROS) and abolishing clonogenic capacity. Clonogenicity was rescued by the ROS scavenger N-acetylcysteine, implicating GSH depletion in the effect. The MRP1 modulator in combination with BSO also strongly sensitized cancer cells to MRP1-substrate chemotherapeutic agents, particularly arsenic trioxide, and was more effective than either the MRP1 modulator or BSO alone. GSH-depleting MRP1 modulators may therefore provide an enhanced therapeutic window to treat chemo-resistant MRP1-overexpressing pediatric and adult cancers.
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Affiliation(s)
- Christine C Gana
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052, Australia; School of Women's and Children's Health, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Kimberley M Hanssen
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052, Australia; School of Women's and Children's Health, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Denise M T Yu
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052, Australia; School of Women's and Children's Health, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Claudia L Flemming
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Madeleine S Wheatley
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Gwenaëlle Conseil
- Division of Cancer Biology & Genetics, Queen's University Cancer Research Institute, Kingston, ON, Canada
| | - Susan P C Cole
- Division of Cancer Biology & Genetics, Queen's University Cancer Research Institute, Kingston, ON, Canada
| | - Murray D Norris
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052, Australia; University of New South Wales Centre for Childhood Cancer Research, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Michelle Haber
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052, Australia
| | - Jamie I Fletcher
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, UNSW Sydney, Kensington, NSW 2052, Australia; School of Women's and Children's Health, UNSW Sydney, Kensington, NSW 2052, Australia.
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Arana MR, Altenberg GA. ATP-binding Cassette Exporters: Structure and Mechanism with a Focus on P-glycoprotein and MRP1. Curr Med Chem 2019; 26:1062-1078. [PMID: 29022498 DOI: 10.2174/0929867324666171012105143] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 08/03/2017] [Accepted: 08/03/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND Proteins that belong to the ATP-binding cassette superfamily include transporters that mediate the efflux of substrates from cells. Among these exporters, P-glycoprotein and MRP1 are involved in cancer multidrug resistance, protection from endo and xenobiotics, determination of drug pharmacokinetics, and the pathophysiology of a variety of disorders. OBJECTIVE To review the information available on ATP-binding cassette exporters, with a focus on Pglycoprotein, MRP1 and related proteins. We describe tissue localization and function of these transporters in health and disease, and discuss the mechanisms of substrate transport. We also correlate recent structural information with the function of the exporters, and discuss details of their molecular mechanism with a focus on the nucleotide-binding domains. METHODS Evaluation of selected publications on the structure and function of ATP-binding cassette proteins. CONCLUSIONS Conformational changes on the nucleotide-binding domains side of the exporters switch the accessibility of the substrate-binding pocket between the inside and outside, which is coupled to substrate efflux. However, there is no agreement on the magnitude and nature of the changes at the nucleotide- binding domains side that drive the alternate-accessibility. Comparison of the structures of Pglycoprotein and MRP1 helps explain differences in substrate selectivity and the bases for polyspecificity. P-glycoprotein substrates are hydrophobic and/or weak bases, and polyspecificity is explained by a flexible hydrophobic multi-binding site that has a few acidic patches. MRP1 substrates are mostly organic acids, and its polyspecificity is due to a single bipartite binding site that is flexible and displays positive charge.
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Affiliation(s)
- Maite Rocío Arana
- Instituto de Fisiología Experimental, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, CONICET, Suipacha 570, 2000 Rosario, Argentina
| | - Guillermo Alejandro Altenberg
- Department of Cell Physiology and Molecular Biophysics, and Center for Membrane Protein Research, Texas Tech University Health Sciences Center, Lubbock, Texas 79430-6551, United States
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Gelbmann CB, Kalejta RF. The Membrane-Spanning Peptide and Acidic Cluster Dileucine Sorting Motif of UL138 Are Required To Downregulate MRP1 Drug Transporter Function in Human Cytomegalovirus-Infected Cells. J Virol 2019; 93:e00430-19. [PMID: 30894470 DOI: 10.1128/JVI.00430-19] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 03/14/2019] [Indexed: 01/08/2023] Open
Abstract
The human cytomegalovirus (HCMV) UL138 protein downregulates the cell surface expression of the multidrug resistance-associated protein 1 (MRP1) transporter. We examined the genetic requirements within UL138 for MRP1 downregulation. We determined that the acidic cluster dileucine motif is essential for UL138-mediated downregulation of MRP1 steady-state levels and inhibition of MRP1 efflux activity. We also discovered that the naturally occurring UL138 protein isoforms, the full-length long isoform of UL138 and a short isoform missing the N-terminal membrane-spanning domain, have different abilities to inhibit MRP1 function. Cells expressing the long isoform of UL138 show decreased MRP1 steady-state levels and fail to efflux an MRP1 substrate. Cells expressing the short isoform of UL138 also show decreased MRP1 levels, but the magnitude of the decrease is not the same, and they continue to efficiently efflux an MRP1 substrate. Thus, the membrane-spanning domain, while dispensable for a UL138-mediated decrease in MRP1 protein levels, is necessary for a functional inhibition of MRP1 activity. Our work defines the genetic requirements for UL138-mediated MRP1 downregulation and anticipates the possible evolution of viral escape mutants during the use of therapies targeting this function of UL138.IMPORTANCE HCMV UL138 curtails the activity of the MRP1 drug transporter by reducing its steady-state levels, leaving cells susceptible to killing by cytotoxic agents normally exported by MRP1. It has been suggested in the literature that capitalizing on this UL138-induced vulnerability could be a potential antiviral strategy against virally infected cells, particularly those harboring a latent infection during which UL138 is one of the few viral proteins expressed. Therefore, identifying the regions of UL138 required for MRP1 downregulation and predicting genetic variants that may be selected upon UL138-targeted chemotherapy are important ventures. Here we present the first structure-function examination of UL138 activity and determine that its transmembrane domain and acidic cluster dileucine Golgi sorting motif are required for functional MRP1 downregulation.
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Yao L, Zhang Z. The reversal of MRP1 expression induced by low-frequency and low-intensity ultrasound and curcumin mediated by VEGF in brain glioma. Onco Targets Ther 2019; 12:3581-3593. [PMID: 31190861 PMCID: PMC6526172 DOI: 10.2147/ott.s195205] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 03/01/2019] [Indexed: 12/13/2022] Open
Abstract
Purpose: To explore the effect of curcumin and low-frequency and low-intensity ultrasound (LFLIU) on C6 and U87 cell, and whether LFLIU could inhibit multidrug resistance protein 1 (MRP1) by increasing the sensitivity of curcumin via vascular epithelial growth factor (VEGF)/PI3K/Akt signaling pathway targeting. Methods: C6 and U87 cells were treated with various doses of curcumin and/or different intensities of LFLIU for 60 s. After 24 hrs, the effects of curcumin and/or LFLIU on the proliferation of C6 and U87 cells were examined. Real-time PCR and western blot analysis were used to detect the expression of VEGF and MRP1 at both mRNA and protein levels. The expression of MRP1 in C6 and U87 cells was also determined following stimulation with recombinant human VEGF and/or LY294002. Results: Curcumin and LFLIU inhibited the proliferation of glioma cells in an intensity- or dose-dependent manner. Furthermore, survivin was significant after combined treatment compares with that of curcumin or LFLIU treatment alone. VEGF and MRP1 were highly expressed in C6 and U87 cells, curcumin and LFLIU alone or in combination could decrease the expression of both VEGF and MRP1. MRP1 expression was down-regulated following LY294002 treatment, which blocked after exposure to VEGF. Conclusion: The synergistic effects, such as a higher inhibition rate, and lower expressions of MRP1 and VEGF, of combined curcumin and LFLIU against glioma was much better than that of a single treatment. The down-regulation of MRP1 may be related with the VEGF/PI3K/Akt pathway in glioma.
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Affiliation(s)
- Lei Yao
- Department of ultrasound, First Affiliated Hospital of China Medical University, Shenyang City, Liaoning Province, People's Republic of China
| | - Zhen Zhang
- Department of ultrasound, First Affiliated Hospital of China Medical University, Shenyang City, Liaoning Province, People's Republic of China
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Gao HL, Xia YZ, Zhang YL, Yang L, Kong LY. Vielanin P enhances the cytotoxicity of doxorubicin via the inhibition of PI3K/Nrf2-stimulated MRP1 expression in MCF-7 and K562 DOX-resistant cell lines. Phytomedicine 2019; 58:152885. [PMID: 31009836 DOI: 10.1016/j.phymed.2019.152885] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 03/01/2019] [Accepted: 03/09/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Cancer cells that are resistant to structurally and mechanically unrelated anticancer drugs are said to have multidrug resistance (MDR). The overexpression of the ATP-binding cassette (ABC) transporter is one of the most important mechanisms of MDR. Vielanin P (VP), a dimeric guaiane from the leaves of Xylopia vielana, has the potential to reverse multidrug resistance. PURPOSE To evaluate the meroterpenoid compound VP as a low cytotoxicity MDR regulator and the related mechanisms. METHODS Cell viability was determined by CCK-8 and MTT assays. Apoptosis and the accumulation of doxorubicin (DOX) and 5(6)-carboxyfluorescein diacetate (CFDA) were determined by flow cytometry. We determined mRNA levels by quantitative real-time polymerase chain reaction (qRT-PCR). Protein levels were analyzed by Western blotting and immunofluorescence. RESULTS In the MCF-7 and K562 DOX-resistant cell lines, VP treatment (10 μM or 20 μM) enhanced the activity of chemotherapeutic agents. We found that VP selectively inhibited MRP1 mRNA but not MDR1 mRNA. VP enhanced DOX-induced apoptosis and reduced colony formation in the presence of DOX in drug-resistant cells. Moreover, VP increased the accumulation of DOX and the MRP1-specific substrate CFDA. In addition, VP reversed MRP1 protein levels and the accumulation of DOX and CFDA in MRP1-overexpressing MCF-7 and K562 cells. Thus, the mechanism of MDR reversal by VP is MRP1-dependent. Furthermore, we found that the inhibitory effect of VP on MRP1 is PI3K/Nrf2-dependent. CONCLUSION These results support the potential therapeutic value of VP as an MDR-reversal agent by inhibiting MRP1 via PI3K/Nrf2 signaling.
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Affiliation(s)
- Hong-Liang Gao
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Yuan-Zheng Xia
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Ya-Long Zhang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Lei Yang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China.
| | - Ling-Yi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
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Taheri M, Motalebzadeh J, Mahjoubi F. Expression of LRP Gene in Breast Cancer Patients Correlated with MRP1 as Two Independent Predictive Biomarkers in Breast Cancer. Asian Pac J Cancer Prev 2018; 19:3111-3115. [PMID: 30486550 PMCID: PMC6318415 DOI: 10.31557/apjcp.2018.19.11.3111] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background: Breast cancer is the most common malignancy in women. Multidrug resistance (MDR) is still a great obstacle of breast cancer chemotherapy. We have previously shown that multidrug resistance-associated protein 1 (MRP1) is associated with response to neoadjuvant chemotherapy. The lung resistance-related protein (LRP) is identified as a prognostic marker and response to treatment factor which has been studied mainly in hematological malignancy and leukemia. In this study, we aimed to analyze LRP expression and possible correlation between the expression level of this gene with MRP1 as a candidate marker for chemotherapy resistance. Materials and Methods: We collected 54 breast tumors and adjacent normal tissues from Iranian breast cancer patients and Real time RT-PCR was employed to measure the gene expression level in our samples. Results: MRP1 and LRP expression level were significantly lower in tumor tissues of the patients responding to chemotherapy compared to non-responding patients. No relation between the expression level of either of these genes and clinicopathology markers was found. Conclusion: Our results suggest that LRP gene expression is correlated to MRP1 in human breast cancer cells and may affect the clinical response to treatment.
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Affiliation(s)
- Mohsen Taheri
- Department of Clinical Genetics, Institute of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.,Department of Genetics, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran.
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Meng F, Zou L, Zhang T, Jiang L, Ding Y, Yu P, Peng J. Using LC-MS/MS-based targeted proteomics to monitor the pattern of ABC transporters expression in the development of drug resistance. Cancer Manag Res 2018; 10:2859-2870. [PMID: 30197538 PMCID: PMC6112789 DOI: 10.2147/cmar.s164766] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Purpose The overexpression of ATP-binding cassette transporters (ABC transporters), mainly including permeability glycoproteins (P-gp), multidrug resistance (MDR)-related protein 1 (MRP1), and breast cancer resistance proteins (BCRP), is one of the main reasons for the development of MDR which directly leads to chemotherapy failure. However, most of the currently used detection methods in MDR-related studies are qualitative or semiquantitative, but not quantitative. As a result, the measurement criteria of different experiments are not unified. Moreover, there are many contradictory results of the studies of the induction effect of drugs on ABC transporters. So, it is necessary to establish a quantitative assay for the quantification of P-gp, MRP1, and BCRP to study the mechanism of drug resistance. Methods In this paper, a novel and advanced liquid chromatography/mass spectrometry (MS)/MS-based targeted proteomics method for the quantification of P-gp, MRP1, and BCRP was developed and validated. Then, the cell lines MCF-7, HepG-2, and SMMC-7721 were, respectively, induced by different concentrations of doxorubicin (adriamycin [ADM]), mitoxantrone (MX), and methotrexate (MTX), to establish resistance cell lines. The method established was used to quantify the expression of P-gp, MRP1, and BCRP. Results The result showed that the induction effects of drugs on protein were relatively stable and selective. ADM, MX, and MTX could induce overexpression of P-gp, MRP1, and BCRP. And, the induction effect of different drugs on proteins was selective. The pattern of overexpression of ABC transporters in the three types of resistance cell lines was different. Conclusion During the development of drug resistance, the cell type and patch, but not drug type, were the most important determinant factors of the overexpression level of ABC transporters in resistance cell lines. This study provides a good foundation for understanding the development of drug resistance in cell lines and can be used to explain the contradictory results in other published studies as described above.
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Affiliation(s)
- Fanqi Meng
- Department of Drug Analysis, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, Hunan Province, China,
| | - Le Zou
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
| | - Tengyu Zhang
- Department of Pharmacy, University of Copenhagen, København Ø, Denmark
| | - Lei Jiang
- Department of Drug Analysis, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, Hunan Province, China,
| | - Yao Ding
- Department of Analyses and Testing, Hunan Key Laboratory for Bioanalysis of Complex Matrix Samples, Changsha 410013, Hunan Province, China
| | - Peng Yu
- Department of Drug Analysis, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, Hunan Province, China,
| | - Jie Peng
- Department of Pharmacy, Jiangxi Provincial People's Hospital, Nanchang 330006, Jiangxi Province, China,
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